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計量泵技術(shù)
您的當(dāng)前位置：巴特首頁 > 技術(shù)支持 > 計量泵技術(shù) >計量泵維護(hù)和故障解除技巧
來源：巴特計量泵、齒輪泵公司 發(fā)布時間：2014-02-08 15:24:38 瀏覽次數(shù)：次
一、如何更換計量泵的隔膜?
1.取下固定泵頭的4個螺絲。螺絲位置在計量泵的背面。
2.在泵頭松動之后，取下泵頭之前，調(diào)節(jié)沖程長度到0%位置?？梢员ＷC電磁軸有足夠的壓力，保持其連接穩(wěn)固，這樣就可以旋下隔膜。
3.向外拉液力端使螺絲從插孔內(nèi)脫離。抓住液體端逆時針旋轉(zhuǎn)。稍有些阻力，可以旋下隔膜。
4.一旦隔膜被取下，檢查計量泵的安全隔膜，確保其是完好的，沒有任何損壞。安裝新的隔膜，順時針旋轉(zhuǎn)背板和隔膜直到貼緊。調(diào)節(jié)背板，使漏液排出孔位于泵的底端。
5.在隔膜安裝完畢、并且背板漏液排出孔置于垂直位置之后，安裝泵頭。確保吸液閥與漏液排出孔對齊，液力端的螺絲與相應(yīng)的4個孔對齊。
6.旋轉(zhuǎn)到?jīng)_程長度100%位置。這樣可以使整套部件旋轉(zhuǎn)至背板漏液排出孔與泵的底端對齊。在泵運(yùn)行過程中調(diào)整液力端和隔膜至合適的位置。
7.當(dāng)液力端連同背板位置調(diào)好之后，4個螺栓以對角方式擰緊，直到合適為止。完成這項(xiàng)工作時應(yīng)用力均勻。
二、我收到了一個備件包，在取下舊的隔膜時遇到了麻煩。能否就如何拆下舊的隔膜提供一些額外的建議?
通過松開4個泵頭螺絲，移動液力端。旋轉(zhuǎn)沖程長度到0%并抓住液力端，然后從螺絲孔滑出，那么螺絲不與它們接觸，但是還把持著背板和隔膜。然后逆時針旋轉(zhuǎn)此部件，稍有些阻力，隔膜會從電磁軸松動下來。如果隔膜還沒有松動，在隔膜和電磁軸的接觸表面用些潤滑油。放置幾分鐘后，用一塑膠小錘輕輕敲打隔膜。然后在按照以上描述再次進(jìn)行。
三、當(dāng)采用自吸方式計量過氧化氫時，系統(tǒng)內(nèi)產(chǎn)生氣穴。如何解決這個問題?
計量泵安裝自排氣泵頭，采用自灌式吸液。保持吸液管線盡可能短。
四、計量泵安裝、運(yùn)行之后不計量藥液?
1.是否安裝了排泄管并且排泄閥閉合?在計量泵引液階段排泄閥需要打開。注意：并不是所有的計量泵都有排泄閥。
2.在計量泵的吸入端可能有氣體泄漏。液力端吸入側(cè)連接件可能缺少O型圈或吸入閥連接松動。
3.計量泵底閥可能阻塞，計量的藥液不能通過。
4.計量泵的沖程長度設(shè)定不合適。
5.計量的化學(xué)藥品可能在液力端結(jié)晶，致使單向閥閥球和閥座不能正常工作。
五、正在使用流量監(jiān)視計量一種高粘度介質(zhì)時，在引液過程中收到了流量故障指示信號，怎么做可以解決這個問題?
對反應(yīng)時間來說，脈沖持續(xù)時間可能不足夠長。相對于標(biāo)準(zhǔn)的脈沖寬度80msec，流量監(jiān)視器脈沖寬度擴(kuò)展可以被激活，增加脈沖寬度至300msec。激活智能轉(zhuǎn)換開關(guān)，取下固定電路板的護(hù)蓋，移走跳線X-1。這樣就激活了擴(kuò)展功能，在故障指示之前允許有更多的時間。
六、如何防止沖程定位馬達(dá)燒毀?
在調(diào)節(jié)沖程位置時，確保計量泵的電機(jī)始終在運(yùn)轉(zhuǎn)。如果計量泵電機(jī)沒有運(yùn)轉(zhuǎn)，沖程長度調(diào)節(jié)桿要抵抗壓縮彈簧的張力，這樣會導(dǎo)致沖程定位馬達(dá)過早損壞。
鄭州巴特熔體泵有限公司
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