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磁力泵故障分析

1.無介質(zhì)或輸送介質(zhì)流量?。菏罐D(zhuǎn)子主軸與穩(wěn)定軸承干摩,燒碎軸承。磁力泵是由輸送介質(zhì)給滑動軸承提供潤滑和冷卻的,在沒有開入口閥或出口閥的情況下,滑動軸承因無輸送介質(zhì)潤滑和冷卻而導(dǎo)致高溫從而損壞。
2.磁力泵因氣蝕而導(dǎo)致的問題:泵產(chǎn)生氣蝕的原因主要有泵入口管阻大、輸送介質(zhì)氣相較多、灌泵不充分、泵入口能頭不夠等原因。氣蝕對泵的危害大,發(fā)生氣蝕時泵劇烈振動,平衡嚴(yán)重破壞,將導(dǎo)致泵軸承、轉(zhuǎn)子或葉輪損壞。這是磁力泵故障發(fā)生的常見原因。
3.隔離套損壞:磁力泵的磁力聯(lián)軸器是由泵所輸送介質(zhì)冷卻的,如果介質(zhì)中有硬質(zhì)顆粒,很容易造成隔離套劃傷或劃穿,有時如果維護(hù)方法不當(dāng)也有可能造成隔離套的損壞。
磁力泵的種類 目前國內(nèi)廠家的磁力泵大致可分為:不銹鋼磁力泵、工程塑料磁力泵、氟塑料磁力泵、耐高溫磁力泵、多級
磁力泵等幾大類(圖\文brfr.com.cn/index.asp)。
中譯英:
1medium or small flow conveying medium: the rotor spindle bearing and stability of dry friction, burning up the bearing. Magnetic pump is determined by the conveying medium for sliding bearing for lubrication and cooling, in the absence of open entrance valve or outlet valve, sliding bearing for lubrication and cooling conveying medium to high temperature and damage.
2magnetic pump due to cavitation which leads to the question: pump cavitation main pump entrance pipe resistance big, medium gas phase more, irrigation pump, pump entrance can not fully head is insufficient wait for a reason. The pump cavitation damage, cavitation occurs when the pump vibration, balance seriously damaged, will cause the pump bearing, rotor or impeller damage. This is a common cause of magnetic pump fault.
3 isolation sleeve damage: magnetic pump magnetic coupling is pumped by the transmission medium cooling, if in the medium of hard particles, is very easy to cause the isolation sleeve scratch or cut through, sometimes if maintenance methods also have the potential to cause the isolation sleeve damage.
Magnetic pump types at present domestic manufacturers of magnetic pump can be broadly divided into: stainless steel, engineering plastic magnetic pump magnetic pump, fluorine plastic magnetic pump, resisting high temperature magnetic pump, multistage pump and other categories.