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Understanding the pump

Date:2018-08-19 18:15:19 Views:1172

      投放泵是一種依靠電機(jī)帶動(dòng)活塞在一個(gè)密封勝體中的往復(fù)運(yùn)動(dòng),進(jìn)出口采用單向閥控制液體單向進(jìn)出,活塞往復(fù)運(yùn)動(dòng)過(guò)程中所產(chǎn)生的工作空間容積變化來(lái)輸送液體的泵?;钊檬褂秒姍C(jī)驅(qū)動(dòng)凸輪機(jī)構(gòu)帶動(dòng)活塞運(yùn)動(dòng)。當(dāng)活塞向外運(yùn)動(dòng)時(shí),密封腔體空間的體積從小變大,形成真空,進(jìn)口單向閥打開(kāi),出口單向閥關(guān)閉,將液體吸入。當(dāng)活塞向內(nèi)運(yùn)動(dòng)時(shí),密封腔體空間的體積從大變小,出口單向閥打開(kāi),進(jìn)口單向閥關(guān)閉,將液體擠入管路中去。從而實(shí)現(xiàn)自動(dòng)投放功能。     

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