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Selection of Rotor Material in Rotor Pump Selection

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发表时间:2020-01-17 09:35【 Popularity: -Published time: 2020-01-17 09:35 [Large Middle Small]

At present, there are many types of cam rotor pumps. The choice of rotor material needs to be selected according to the specific operating conditions. According to the rotor material classification, cam rotor pumps can be divided into two categories: metal rotor pumps and rubber rotor pumps:

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First of all, the metal rotor pump is relatively low in terms of production cost, but for some special media materials, it is not suitable for oil fields or the printing and dyeing industry. This kind of harsh working conditions, metal rotor and pump There is zero contact between them, so the self-priming capacity of the rotor pump is very poor, so the volumetric efficiency is relatively low, and it also limits the pump outlet pressure. The rubber rotor pump can make full use of the high elasticity of rubber, so it can achieve a better fit. In this way, the self-priming capacity and volumetric efficiency of the pump can be greatly improved.

Secondly, from the structural form of the rotor, points can be divided into linear and twisted leaf. Compared with the linear segment, the twisted-blade rotor in the working process will have smaller pulses and smaller amplitudes. Combined with the unique, high elasticity and elasticity of the rubber rotor pump, the vibration and noise.

According to the actual operating conditions, it can also be subdivided:

Petroleum and petrochemical industry
Fluoro rubber: gasoline, diesel, ethanol dump truck, oily sewage and other dirty oil media
EPDM: Methanol
Copper rotor: high temperature crude oil
Stainless steel rotor: corrosive medium
Municipal sludge treatment industry
Nitrile rubber: activated sludge treatment, such as excess sludge, reflux sludge, centrifuge sludge feed, etc.
Biogas
农场粪便污水,生活垃圾处理 Fluorine rubber: farm manure sewage, domestic waste treatment
Mobile pump truck system uniformly uses nitrile rubber
In general, we use these. Basically, high-tech, highly-designed workstation applications are made of rubber rotors. At some high-temperature and corrosive workstations, stainless steel is used.

Finally, because of the limitation of the working space of the cam rotor pump, it is necessary to see whether the structure of the cam pump is sufficiently compact, takes up a relatively small space, and can better maintain the structural space. Install and use the pump cover that can quickly open the design, then the rubber rotor pump is still very good in these aspects.

Qingdao Luode General Machinery Equipment Co., Ltd. Qingdao Luode General Machinery Equipment Co., Ltd. Record number: Lu ICP No. 13022300
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