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渣漿泵的密封方式都有哪幾種
1. 機(jī)械密封：機(jī)械密封是利用兩個(gè)相對(duì)旋轉(zhuǎn)的動(dòng)環(huán)和靜環(huán)，在液體介質(zhì)的壓力作用下，使它們緊密結(jié)合起來，達(dá)到密封的目的。機(jī)械密封結(jié)構(gòu)簡單、可靠性高，但需要定期更換密封件。
2. 填料密封：填料密封是指在泵體與泵蓋之間填充一定量的填料，通過填料對(duì)泵體的密封來防止泄漏。填料密封結(jié)構(gòu)簡單、成本低，但需要定期檢查和更換填料。
3. 離心式密封：離心式密封是通過離心力將液體從泵體內(nèi)部甩出，形成一個(gè)低壓區(qū)域，從而達(dá)到密封的目的。離心式密封結(jié)構(gòu)簡單、可靠性高，但需要較高的轉(zhuǎn)速才能產(chǎn)生足夠的離心力。
1. Mechanical seal: Mechanical seal is the use of two relatively rotating dynamic and static rings, which are tightly combined under the pressure of liquid medium to achieve the purpose of sealing. The mechanical seal has a simple structure and high reliability, but it requires regular replacement of the sealing components.
2. Packing seal: Packing seal refers to filling a certain amount of packing between the pump body and the pump cover to prevent leakage by sealing the pump body with the packing. The packing seal has a simple structure and low cost, but requires regular inspection and replacement of the packing.
3. Centrifugal seal: Centrifugal seal is a low-pressure area formed by throwing liquid out of the pump body through centrifugal force, thereby achieving the purpose of sealing. The centrifugal seal has a simple structure and high reliability, but requires a higher rotational speed to generate sufficient centrifugal force.
