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    1. 歡迎來到安徽皖金泵閥制造有限公司官網(wǎng)
      氟塑料離心泵聯(lián)系電話
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      低溫泵的知識!?。?/title> <div align="center"><span style="font-size:14px">作者: 來源: 發(fā)布時間:2016-08-04</span></div> <section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); font-family: -apple-system-font, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 25.6000003814697px; white-space: normal; word-wrap: break-word !important;"><section class="" style="margin: 10px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: -13px 3px; padding: 12px; max-width: 100%; box-sizing: border-box; word-wrap: break-word; border: 1px solid rgb(166, 91, 203); border-top-left-radius: 6px; border-top-right-radius: 6px; border-bottom-right-radius: 6px; border-bottom-left-radius: 6px;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; white-space: pre-wrap; text-indent: 2em; word-wrap: break-word !important;"><span style="font-size: 16px;">低溫泵是用來抽送低溫液體(即液化氣)的一種特殊泵。</span></p><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; white-space: pre-wrap; text-indent: 2em; word-wrap: break-word !important;"><span style="font-size: 16px;">由于低溫技術(shù)的迅速發(fā)展,冷凍機、冷藏設(shè)備、冷凍車、空氣或氣體的液化分離裝置的應(yīng)用范圍日益擴大,以及以液化石油氣體為燃料的各種石油化學(xué)工業(yè)的發(fā)展,都要使用很多的低溫泵。特別是液化天然氣的出現(xiàn),為低溫泵的發(fā)展和應(yīng)用開辟了新的領(lǐng)域。目前低溫泵主要用于以下幾個方面:</span></p></section></section></section><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px 0px 0px 15px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; vertical-align: top; width: 591.84375px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; border-left-width: 1px; border-left-style: solid; height: 1.2em; border-color: rgb(166, 91, 203);"></section><section class="" style="margin: 0px 0px 0px -0.666em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; color: rgb(249, 110, 87); font-size: 19.2px; display: inline-block; float: left; width: 1.33em; height: 1.33em; line-height: 1.33em; border: 1px solid rgb(166, 91, 203); border-top-left-radius: 100%; border-top-right-radius: 100%; border-bottom-right-radius: 100%; border-bottom-left-radius: 100%; text-align: center; background-color: rgb(254, 255, 255);"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">1</span></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; border-left-width: 1px; border-left-style: solid; width: 562.25px; border-color: rgb(166, 91, 203);"><section class="" style="margin: 0px; padding: 0px 0px 0px 5px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 527.5625px;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px 10px 10px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">石油化工部門中輸送各種液態(tài)烴(最低溫度達(dá)-104℃);</span></section></section></section></section></section></section></section></section></section><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px 0px 0px 15px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; vertical-align: top; width: 591.84375px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; border-left-width: 1px; border-left-style: solid; height: 1.2em; border-color: rgb(166, 91, 203);"></section><section class="" style="margin: 0px 0px 0px -0.666em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; color: rgb(249, 110, 87); font-size: 19.2px; display: inline-block; float: left; width: 1.33em; height: 1.33em; line-height: 1.33em; border: 1px solid rgb(166, 91, 203); border-top-left-radius: 100%; border-top-right-radius: 100%; border-bottom-right-radius: 100%; border-bottom-left-radius: 100%; text-align: center; background-color: rgb(254, 255, 255);"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">2</span></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; border-left-width: 1px; border-left-style: solid; width: 562.25px; border-color: rgb(166, 91, 203);"><section class="" style="margin: 0px; padding: 0px 0px 0px 5px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 527.5625px;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px 10px 10px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">在空氣或氣體的深冷分離裝置中,拙送液態(tài)氧(-183℃)、液態(tài)氮(-196℃)和液態(tài)氬等;</span></section></section></section></section></section></section></section></section></section><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px 0px 0px 15px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; vertical-align: top; width: 591.84375px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; border-left-width: 1px; border-left-style: solid; height: 1.2em; border-color: rgb(166, 91, 203);"></section><section class="" style="margin: 0px 0px 0px -0.666em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; color: rgb(249, 110, 87); font-size: 19.2px; display: inline-block; float: left; width: 1.33em; height: 1.33em; line-height: 1.33em; border: 1px solid rgb(166, 91, 203); border-top-left-radius: 100%; border-top-right-radius: 100%; border-bottom-right-radius: 100%; border-bottom-left-radius: 100%; text-align: center; background-color: rgb(254, 255, 255);"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">3</span></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; border-left-width: 1px; border-left-style: solid; width: 562.25px; border-color: rgb(166, 91, 203);"><section class="" style="margin: 0px; padding: 0px 0px 0px 5px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 527.5625px;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px 10px 10px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">液化天然氣的輸送和貯存;</span></section></section></section></section></section></section></section></section></section><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px 0px 0px 15px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; vertical-align: top; width: 591.84375px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; border-left-width: 1px; border-left-style: solid; height: 1.2em; border-color: rgb(166, 91, 203);"></section><section class="" style="margin: 0px 0px 0px -0.666em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; color: rgb(249, 110, 87); font-size: 19.2px; display: inline-block; float: left; width: 1.33em; height: 1.33em; line-height: 1.33em; border: 1px solid rgb(166, 91, 203); border-top-left-radius: 100%; border-top-right-radius: 100%; border-bottom-right-radius: 100%; border-bottom-left-radius: 100%; text-align: center; background-color: rgb(254, 255, 255);"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">4</span></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; border-left-width: 1px; border-left-style: solid; width: 562.25px; border-color: rgb(166, 91, 203);"><section class="" style="margin: 0px; padding: 0px 0px 0px 5px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 527.5625px;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px 10px 10px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">鋼鐵、原子能和宇航工業(yè)中,用于抽送液態(tài)氧、液態(tài)氫(-253℃)等。</span></section></section></section></section></section></section></section></section></section><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; white-space: pre-wrap; text-indent: 2em; word-wrap: break-word !important;"><span style="font-size: 16px;">因為低溫泵抽送的是液化氣,各種液化氣和常溫清水不同,它在常溫常壓下是氣體在高壓或低溫下變?yōu)轱柡鸵后w,所以當(dāng)?shù)蜏乇贸樗偷蜏匾后w時若從周圍吸收熱量后很容易使液化氣汽化、產(chǎn)生氣體,同時大部分液化氣直接或間接的都有腐蝕性、或是易燃或有毒的介質(zhì)。大部分液化氣的粘度比水低、潤滑性差。所以泵的結(jié)構(gòu)、材料、安裝和運轉(zhuǎn)等方面部有它的特殊之處:下面分別加以介紹。</span></p></section></section></section></section><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; height: 16px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; height: 16px; width: 24px; float: left; border-bottom-width: 6px; border-bottom-style: solid; border-left-width: 6px; border-left-style: solid; border-color: rgb(166, 91, 203);"></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; height: 16px; width: 24px; float: right; border-bottom-width: 6px; border-bottom-style: solid; border-right-width: 6px; border-right-style: solid; border-color: rgb(166, 91, 203);"></section></section></section></section><p><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); font-family: -apple-system-font, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 25.6000003814697px; white-space: normal; word-wrap: break-word !important;"><section class="" style="margin: 10px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 2.6em; display: inline-block; vertical-align: middle;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 2.6em; height: 2.6em; display: inline-block; vertical-align: middle; line-height: 2.6em; text-align: center; border-top-left-radius: 50%; border-top-right-radius: 50%; border-bottom-right-radius: 50%; border-bottom-left-radius: 50%; background-color: rgb(166, 91, 203);"><section style="margin: 0.36em 0px 0.35em 0.44em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 1.8em; height: 1.8em; line-height: 1.8em; border-top-left-radius: 50%; border-top-right-radius: 50%; border-bottom-right-radius: 50%; border-bottom-left-radius: 50%; background-color: rgb(255, 255, 255);"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 28.796875px; height: 28.796875px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">1</span></section></section></section></section><section style="margin: -0.5em auto 0.3em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 0px; border-top-width: 1.1em; border-top-style: solid; border-top-color: rgb(166, 91, 203); border-left-width: 1em !important; border-left-style: solid !important; border-left-color: transparent !important; border-right-width: 1.12em !important; border-right-style: solid !important; border-right-color: transparent !important;"></section></section><section class="" style="margin: 0px 0px -0.5em -1.5em; padding: 0px 10px 0px 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; vertical-align: middle; border-bottom-width: 1px; border-bottom-style: dashed; border-bottom-color: rgb(166, 91, 203);"><section class="" style="margin: 0px 0px 0px 1.3em; padding: 0px 0px 0px 5px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; line-height: 1.5; font-size: 24px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;">結(jié)構(gòu)型式和特點</span></strong><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; text-indent: 2em; line-height: 1.6; box-sizing: border-box !important; word-wrap: break-word !important;"></span></span></section></section></section></section></section><section class="" style="margin: 0px; padding: 10px; max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); font-family: -apple-system-font, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 25.6000003814697px; white-space: normal; display: inline-block; width: 670px; border-bottom-left-radius: 1.6em; border-bottom-right-radius: 1.6em; border: 2px solid rgb(166, 91, 203); word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">   由于液化氣的種類和使用場合的不同,低溫泵的結(jié)構(gòu)型式很多。但-般以低溫離心泵最為常見。其結(jié)構(gòu)主要有以下特點:</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; text-indent: 2em; line-height: 1.6; box-sizing: border-box !important; word-wrap: break-word !important;">  (1)</span></strong></span><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; text-indent: 2em; line-height: 1.6; box-sizing: border-box !important; word-wrap: break-word !important;">泵的總體結(jié)構(gòu)盡量對稱布置,以便在冷態(tài)下變形均勻。為了防止泵軸在冷溫下的變形,有的軸就是-根整體的光軸,沒有螺紋和階梯。葉輪-般不用軸套緊固軸上,而是在每個葉輪頭部裝鉤頭鍵單獨固定。</span><br style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"/></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;"> ?。?)</span></strong>為了保冷方便和輸送危險介質(zhì);多采用雙層殼體結(jié)構(gòu),如圖所示。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  (3)</span></strong>泵的軸向力平衡多采用平衡孔、對稱布置和推力軸承等方法??紤]到局部摩擦發(fā)熱會使液化氣蒸發(fā)燒損摩擦而,很少用平衡盤來平衡軸向力。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  (4)</span></strong>低溫泵多采用立式結(jié)構(gòu)。由于立式結(jié)構(gòu),利于排氣,改善泵的汽蝕性能,又便于提供足夠長度布置軸封裝置、隔冷等部件,同時還有利保冷,占地而積也小。</span></section></section></section></section></section><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); font-family: -apple-system-font, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 25.6000003814697px; white-space: normal; word-wrap: break-word !important;"><section class="" style="margin: 10px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 2.6em; display: inline-block; vertical-align: middle;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 2.6em; height: 2.6em; display: inline-block; vertical-align: middle; line-height: 2.6em; text-align: center; border-top-left-radius: 50%; border-top-right-radius: 50%; border-bottom-right-radius: 50%; border-bottom-left-radius: 50%; background-color: rgb(166, 91, 203);"><section style="margin: 0.36em 0px 0.35em 0.44em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 1.8em; height: 1.8em; line-height: 1.8em; border-top-left-radius: 50%; border-top-right-radius: 50%; border-bottom-right-radius: 50%; border-bottom-left-radius: 50%; background-color: rgb(255, 255, 255);"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 28.796875px; height: 28.796875px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">2</span></section></section></section></section><section style="margin: -0.5em auto 0.3em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 0px; border-top-width: 1.1em; border-top-style: solid; border-top-color: rgb(166, 91, 203); border-left-width: 1em !important; border-left-style: solid !important; border-left-color: transparent !important; border-right-width: 1.12em !important; border-right-style: solid !important; border-right-color: transparent !important;"></section></section><section class="" style="margin: 0px 0px -0.5em -1.5em; padding: 0px 10px 0px 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; vertical-align: middle; border-bottom-width: 1px; border-bottom-style: dashed; border-bottom-color: rgb(166, 91, 203);"><section class="" style="margin: 0px 0px 0px 1.3em; padding: 0px 0px 0px 5px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; line-height: 1.5; font-size: 24px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;">軸封裝置</span></strong></span></section></section></section></section></section><section class="" style="margin: 0px; padding: 10px; max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); font-family: -apple-system-font, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 25.6000003814697px; white-space: normal; display: inline-block; width: 670px; border-bottom-left-radius: 1.6em; border-bottom-right-radius: 1.6em; border: 2px solid rgb(166, 91, 203); word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">  軸封裝置是決定低溫泵是否能長期運轉(zhuǎn)的一個關(guān)鍵部件,低溫泵的結(jié)構(gòu)型式往往取決于軸封型式。因溫度和液化氣性質(zhì)不同,軸封裝置也各不相同,-般有以下幾種:</span></section><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; white-space: pre-wrap; text-indent: 2em; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important; text-indent: 2em; line-height: 1.6;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;">(1)雙填料密封。</span></strong></span></p><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">  用普通填料密封結(jié)構(gòu)泄漏較多,而泄出的液化氣吸收熱量汽化會造成缺料部位凍結(jié)。采用雙填料密封,在上下填料之間設(shè)置一密封室,從外輸入一種氣體(如氮氣),壓力比泵內(nèi)稍高-些,以密封液化氣。下部填料用外部手輪壓緊。</span></section><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; white-space: pre-wrap; text-indent: 2em; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;">(2)機械式密封。</span></strong></span></p><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">  有單端面、干式和復(fù)式密封三種。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">  普通單端面機械密封,在低溫下使用,軸和動環(huán)間的密封圈會失去彈性,妨礙動環(huán)軸向自由移動造成泄漏。另外由于外界傳入熱量和因摩擦生熱使摩擦面干磨而損傷摩擦面,失去密封。這種密封-般在-50℃以下就不采用了。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">  干式機械密封的軸封裝置設(shè)在泵體上方、下方設(shè)隔離室并由外界傳入的熱量使其中的液體汽化,用液體的蒸氣壓把液面壓下,使密封部位完全處于氣相中。這種密封廣泛地用在液化天然氣和液態(tài)氧的密封上。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">  復(fù)式機械密封和干式密封一樣,利用導(dǎo)入熱量使波面下降,在上邊接近常溫的地方設(shè)一密封室,把密封液體(低疑點的油)注入密封室,靠這種密封液體的壓力密封。為使密封液體保持一定的壓力,并且不致溫度過低,設(shè)有加壓、保溫裝置。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;"> ?。?)迷宮式密封。</span></strong></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">  它是用石墨制成的許多個矩形齒狀填料與泵軸間構(gòu)成所謂迷宮。在這迷宮中間設(shè)一氣體入口,在此處通入與填料內(nèi)壓力相平衡的密封氣體(氧、氮氣等),把液面壓下到一定位置達(dá)到密封。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;"> ?。?)密閉式密封。</span></strong></span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">  去掉軸封裝置,把泵的整個回轉(zhuǎn)部分封閉起來,電動機轉(zhuǎn)子和外界大氣隔絕。如低溫屏蔽泵就是采用密閉式密封。</span></section></section></section></section></section><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); font-family: -apple-system-font, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 25.6000003814697px; white-space: normal; word-wrap: break-word !important;"><section class="" style="margin: 10px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 2.6em; display: inline-block; vertical-align: middle;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 2.6em; height: 2.6em; display: inline-block; vertical-align: middle; line-height: 2.6em; text-align: center; border-top-left-radius: 50%; border-top-right-radius: 50%; border-bottom-right-radius: 50%; border-bottom-left-radius: 50%; background-color: rgb(166, 91, 203);"><section style="margin: 0.36em 0px 0.35em 0.44em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 1.8em; height: 1.8em; line-height: 1.8em; border-top-left-radius: 50%; border-top-right-radius: 50%; border-bottom-right-radius: 50%; border-bottom-left-radius: 50%; background-color: rgb(255, 255, 255);"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 28.796875px; height: 28.796875px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">3</span></section></section></section></section><section style="margin: -0.5em auto 0.3em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 0px; border-top-width: 1.1em; border-top-style: solid; border-top-color: rgb(166, 91, 203); border-left-width: 1em !important; border-left-style: solid !important; border-left-color: transparent !important; border-right-width: 1.12em !important; border-right-style: solid !important; border-right-color: transparent !important;"></section></section><section class="" style="margin: 0px 0px -0.5em -1.5em; padding: 0px 10px 0px 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; vertical-align: middle; border-bottom-width: 1px; border-bottom-style: dashed; border-bottom-color: rgb(166, 91, 203);"><section class="" style="margin: 0px 0px 0px 1.3em; padding: 0px 0px 0px 5px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; line-height: 1.5; font-size: 24px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;">軸承</span></strong></span></section></section></section></section></section><section class="" style="margin: 0px; padding: 10px; max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); font-family: -apple-system-font, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 25.6000003814697px; white-space: normal; display: inline-block; width: 670px; border-bottom-left-radius: 1.6em; border-bottom-right-radius: 1.6em; border: 2px solid rgb(166, 91, 203); word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">  泵的上部軸承己接近大氣溫度,一般采用推力軸承。下部軸承在工作介質(zhì)中,若局部磨損,會因摩擦發(fā)熱而使液化氣汽化出現(xiàn)粘合現(xiàn)象,所以-般采用滑動性好的材料,如聚四氟乙烯和石墨等。如果采用金屬材料,需要提高硬度和強化表面,對旋轉(zhuǎn)表面要進(jìn)行氮化處理或堆焊司太特硬質(zhì)合金。</span></section></section></section></section></section><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); font-family: -apple-system-font, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 25.6000003814697px; white-space: normal; word-wrap: break-word !important;"><section class="" style="margin: 10px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 2.6em; display: inline-block; vertical-align: middle;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 2.6em; height: 2.6em; display: inline-block; vertical-align: middle; line-height: 2.6em; text-align: center; border-top-left-radius: 50%; border-top-right-radius: 50%; border-bottom-right-radius: 50%; border-bottom-left-radius: 50%; background-color: rgb(166, 91, 203);"><section style="margin: 0.36em 0px 0.35em 0.44em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 1.8em; height: 1.8em; line-height: 1.8em; border-top-left-radius: 50%; border-top-right-radius: 50%; border-bottom-right-radius: 50%; border-bottom-left-radius: 50%; background-color: rgb(255, 255, 255);"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 28.796875px; height: 28.796875px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">4</span></section></section></section></section><section style="margin: -0.5em auto 0.3em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 0px; border-top-width: 1.1em; border-top-style: solid; border-top-color: rgb(166, 91, 203); border-left-width: 1em !important; border-left-style: solid !important; border-left-color: transparent !important; border-right-width: 1.12em !important; border-right-style: solid !important; border-right-color: transparent !important;"></section></section><section class="" style="margin: 0px 0px -0.5em -1.5em; padding: 0px 10px 0px 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; vertical-align: middle; border-bottom-width: 1px; border-bottom-style: dashed; border-bottom-color: rgb(166, 91, 203);"><section class="" style="margin: 0px 0px 0px 1.3em; padding: 0px 0px 0px 5px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; line-height: 1.5; font-size: 24px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;">材料</span></strong></span></section></section></section></section></section><section class="" style="margin: 0px; padding: 10px; max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); font-family: -apple-system-font, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 25.6000003814697px; white-space: normal; display: inline-block; width: 670px; border-bottom-left-radius: 1.6em; border-bottom-right-radius: 1.6em; border: 2px solid rgb(166, 91, 203); word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">  低溫泵的材料主要考慮低溫脆性、低溫下的材料變形,材料的相對線性收縮等。</span></section></section></section></section></section><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); font-family: -apple-system-font, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 25.6000003814697px; white-space: normal; word-wrap: break-word !important;"><section class="" style="margin: 10px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 2.6em; display: inline-block; vertical-align: middle;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 2.6em; height: 2.6em; display: inline-block; vertical-align: middle; line-height: 2.6em; text-align: center; border-top-left-radius: 50%; border-top-right-radius: 50%; border-bottom-right-radius: 50%; border-bottom-left-radius: 50%; background-color: rgb(166, 91, 203);"><section style="margin: 0.36em 0px 0.35em 0.44em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 1.8em; height: 1.8em; line-height: 1.8em; border-top-left-radius: 50%; border-top-right-radius: 50%; border-bottom-right-radius: 50%; border-bottom-left-radius: 50%; background-color: rgb(255, 255, 255);"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 28.796875px; height: 28.796875px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;">5</span></section></section></section></section><section style="margin: -0.5em auto 0.3em; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; width: 0px; border-top-width: 1.1em; border-top-style: solid; border-top-color: rgb(166, 91, 203); border-left-width: 1em !important; border-left-style: solid !important; border-left-color: transparent !important; border-right-width: 1.12em !important; border-right-style: solid !important; border-right-color: transparent !important;"></section></section><section class="" style="margin: 0px 0px -0.5em -1.5em; padding: 0px 10px 0px 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; vertical-align: middle; border-bottom-width: 1px; border-bottom-style: dashed; border-bottom-color: rgb(166, 91, 203);"><section class="" style="margin: 0px 0px 0px 1.3em; padding: 0px 0px 0px 5px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; line-height: 1.5; font-size: 24px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;">安裝和運轉(zhuǎn)</span></strong></span></section></section></section></section></section><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; color: rgb(62, 62, 62); font-family: -apple-system-font, 'Helvetica Neue', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif; line-height: 25.6000003814697px; white-space: normal; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 10px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; width: 670px; border-bottom-left-radius: 1.6em; border-bottom-right-radius: 1.6em; border: 2px solid rgb(166, 91, 203);"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;"> ?。?)</span></strong>低溫泵在裝配上不同于一般泵,對裝配零件必須嚴(yán)禁沾上水分和油脂,因此零件必須用溶劑洗干凈,干燥后裝配。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;"> ?。?)</span></strong>防止熱量從外界傳入泵內(nèi),使泵內(nèi)液體吸熱汽化產(chǎn)生大量氣體,引起泵性能降低,因此泵和吸入管線必須有保冷裝置。低溫泵的保冷比高溫泵的保溫更為重要。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;">  (3)</strong></span>泵及共管路內(nèi)若有油、水分和空氣等,當(dāng)通入低溫液體則會凍結(jié)而影響泵的平穩(wěn)運轉(zhuǎn)或引起事故,因此運轉(zhuǎn)前需清洗干凈并用干燥的氣體(如氮氣)進(jìn)行置換泵內(nèi)的空氣o</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;">  (4)</span></strong>為使泵完全在液體中運輸在運轉(zhuǎn)前應(yīng)對泵和管線通入液體進(jìn)行預(yù)冷。</span></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><span style="font-size: 16px;"><strong style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box !important; word-wrap: break-word !important;"><span style="font-size: 16px; margin: 0px; padding: 0px; max-width: 100%; color: rgb(0, 128, 255); box-sizing: border-box !important; word-wrap: break-word !important;"> ?。?)</span></strong>泵的吸入口和吸入管線設(shè)有排氣裝置,以便使泵在運行前或運行中排除內(nèi)部產(chǎn)生的氣體。</span></section></section></section></section></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; background-color: rgb(255, 255, 255);"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 10px 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; height: 16px;"><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; height: 16px; width: 24px; float: left; border-top-width: 6px; border-top-style: solid; border-color: rgb(166, 91, 203); border-left-width: 6px; border-left-style: solid;"></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; height: 16px; width: 24px; float: right; border-top-width: 6px; border-top-style: solid; border-color: rgb(166, 91, 203); border-right-width: 6px; border-right-style: solid;"></section><section style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important; display: inline-block; color: transparent; clear: both;"></section></section><section class="" style="margin: -13px 3px; padding: 12px; max-width: 100%; box-sizing: border-box; word-wrap: break-word; border: 1px solid rgb(166, 91, 203); border-top-left-radius: 6px; border-top-right-radius: 6px; border-bottom-right-radius: 6px; border-bottom-left-radius: 6px;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><section class="" style="margin: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; word-wrap: break-word !important;"><p style="margin-top: 0px; margin-bottom: 0px; padding: 0px; max-width: 100%; box-sizing: border-box; clear: both; min-height: 1em; white-space: pre-wrap; word-wrap: break-word !important;"><span style="font-size: 16px;">  隨著低溫技術(shù)的迅速發(fā)展,對低溫泵的需要量越來越大。近年來,低溫泵的發(fā)展很快。目前,低溫泵是向大容量、多級、高揚程和高轉(zhuǎn)數(shù)的方向發(fā)展。</span></p></section></section></section></section></section></section></section></section></p><p><br/></p> </div> </div> </div> <div id="aygq222" class="chanpin-right"> <h1>資訊新聞中心</h1> <ul> <li><a href="/bengfaxinwen/" alt="">新聞資訊</a></li> <dd><a href="/telongzixun/" alt="">皖金資訊</a></dd> <dd><a href="/bengfaxinwen/" alt="">行業(yè)新聞</a></dd> <dd><a href="/bengfawenda/" alt="">泵閥百科</a></dd> <li><a href="/jinpaikehu/" alt="">客戶中心</a></li> <dd><a href="/jinpaikehu/" alt="">金牌客戶</a></dd> <li><a href="/ziliaoxiazai/" alt="">資料下載</a></li> <dd><a href="/zizhizhengshu/" alt="">資質(zhì)證書</a></dd> <dd><a href="/chanpinyangben/" alt="">產(chǎn)品樣本</a></dd> </ul> <div id="a0qoa0m" class="cont-right"> <img src="/images/kefu.jpg"> <p>安徽皖金泵閥制造有限公司</p> <p>聯(lián)系電話:0563-5511202</p> 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