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The working principle and performance characteristics of various pumps
source:Industry News release time:2021-08-21 Article author:Rosit Popular:Air band saw
The pump is mainly used to transport liquids such as water, oil, acid-base liquid, emulsion, suspension emulsion and liquid metal, as well as liquid, gas mixture and liquid containing suspended solids. This article will work with you to learn the working principles and performance characteristics of various pumps through animation, hoping to help you (of course, the pumps here are all vacuum pumps).
1. Gear pump
The teeth of the two gears of the gear pump are separated from each other to form a low pressure, the liquid is sucked in, and the shell wall is sent to the other side. The two gears on the other side close together to form a high pressure to discharge the liquid.
Performance characteristics of gear pumps
The advantages of gear pumps
Simple and compact structure, small size, light weight, good manufacturability, low price, strong self-suction, insensitive to oil pollution, large speed range, impact load resistance, easy maintenance, reliable work.
Disadvantages of gear pump
Radial force imbalance, large flow arteries, high noise, low efficiency, poor interchangeability of parts, not easy to repair after wear, can not be used as a variable pump.
2. Multistage centrifugal pump
Multi-stage centrifugal pump is equivalent to multiple centrifugal pumps connected in series, one stage and one stage pressurization can obtain higher pressure head.
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