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熔體泵技術(shù)
您的當(dāng)前位置：巴特首頁 > 技術(shù)支持 > 熔體泵技術(shù) >單級(jí)泵與多級(jí)泵有何區(qū)別
來源：巴特計(jì)量泵、齒輪泵公司 發(fā)布時(shí)間：2013-12-11 10:59:43 瀏覽次數(shù)：次
在泵行業(yè)中，現(xiàn)在很多人弄不清楚單級(jí)泵與多級(jí)泵有什么區(qū)別，怎么去分辨一直是個(gè)頭痛的問題，現(xiàn)在巴特熔體計(jì)量泵公司告訴你們?cè)趺慈シ直婧土私鈫渭?jí)泵和多級(jí)泵了。
一、單級(jí)泵與多級(jí)泵定義上的區(qū)別：
單級(jí)泵是指只有一只葉輪的泵，一般的單級(jí)泵高揚(yáng)程只有125米，具有結(jié)構(gòu)簡(jiǎn)單，性能平穩(wěn)，轉(zhuǎn)速高，體積小，重量輕，效率高，流量大，容易操作和維修等優(yōu)特點(diǎn)。
多級(jí)泵是很多單級(jí)泵的簡(jiǎn)單串聯(lián)，組合在一起。他的輸出水壓可以很大。是離心泵的一種，也是依靠葉輪的旋轉(zhuǎn)在獲取離心力，從而物料。待氣體密度達(dá)到機(jī)械真空泵的工作范圍而被抽出，從而逐漸獲得高真空。多級(jí)泵是靠泵腔容積的變化來實(shí)現(xiàn)吸氣、壓縮和排氣的，因此它是可以變?nèi)莘e的離心泵。
二、單級(jí)泵與多級(jí)泵結(jié)構(gòu)上的特點(diǎn)區(qū)分：
單級(jí)泵包括泵體，泵蓋，帶輸出軸的電動(dòng)機(jī)，在單級(jí)泵體內(nèi)裝設(shè)的泵軸、軸承座、葉輪、機(jī)械密封和機(jī)封壓蓋，其特征在于，它還包括位于電動(dòng)機(jī)輸出軸與泵軸之間設(shè)置的對(duì)夾式聯(lián)軸器，以及安裝在軸承座上的以輔助支承泵軸的導(dǎo)軸承;所述對(duì)夾式聯(lián)軸器分別與電動(dòng)機(jī)輸出軸和泵軸剛性連接，在電動(dòng)機(jī)輸出軸與泵軸之間留有便于機(jī)械密封和機(jī)封壓蓋裝拆的空間距離。在維修或更換機(jī)械密封時(shí)，無須拆卸電動(dòng)機(jī)及泵蓋。
多級(jí)泵的基本構(gòu)造是由六部分組成的分別是葉輪，泵體，泵軸，軸承，密封環(huán)，填料函。具體多級(jí)泵上面葉輪，泵體，泵軸，軸承，密封環(huán)，填料函有怎么樣特點(diǎn)，歡迎聯(lián)系我們公司業(yè)務(wù)人員進(jìn)行詳細(xì)了解了。
然而、 隨著技術(shù)的進(jìn)步，單級(jí)葉輪的泵可通過提高泵的轉(zhuǎn)速來提高泵的揚(yáng)程，可代替多級(jí)泵，只是價(jià)格貴一點(diǎn)。
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