First, cause analysis 1. The pneumatic valve and check valve of vacuum pump are jammed; 2. Improper operation, stop the vacuum pump without confirming that the pneumatic inlet valve has been closed.Second, the main phenomena are as follows…

The emulsification phenomenon of vacuum pump oil can be understood in this way from the perspective of physics. Because of the effect of surfactant, the phenomenon that two liquids that can not be mixed together can be mixed together is ca…

1. The wires are reversedThe wires are reversed! This problem, has always been a small problem, but a problem is a big problem, and "toothache" the same reason, in the installation of the fan, do not reverse the motor wire, wire reverse, t…

Shorten the line.2. It's not the type of "antiaircraft gun" outlet. Because the outlet pipe increases the energy consumption. At the same time, the pool had a pump.3. Increase the diameter of outlet pipe as much as possible.4. Remove the p…

Any kind of product has a service life, and the vacuum pump can't be avoided. In the process of use, various problems can't be avoided, and the vacuum pump needs to be repaired. Vacuum pump filter resistance and blockage is one of the two …

Because the wearing parts of screw pump have a certain life, after long-term operation, the wearing parts will be worn and have abnormal faults, so it is necessary to replace new accessories, such as screw pump stator, rubber ball, screw s…

The performance curve of vacuum pump unit is used to express the conversion characteristics of water flow energy under different working conditions, which is the external manifestation of the internal flow law of the pump. Like ordinary ce…

General rules for maintenance and repair of multistage centrifugal pumpThis regulation is applicable to the maintenance and overhaul of general multi-stage centrifugal pump with suction diameter of 100 mm and above for transporting clean w…

In the process of using industrial equipment, the incorrect switch mode will cause certain loss to the equipment. If it is done for a long time, the service life of the equipment will be greatly shortened, and the roots vacuum pump is the …

At present, among the vacuum pump manufacturers, the production proportion of water ring vacuum pump is relatively large, and the competition is relatively large. Most of the water ring vacuum pumps are used in chemical plants. If the wate…

Vacuum drainage preloading method is a relatively new soft soil reinforcement technology, it is to belong to a kind of drainage consolidation method, level of it by laying drainage sand cushion and setting up the vertical row of water in t…

Centrifugal pump evacuation: centrifugal pump in practical application, there will always be a variety of conditions, evacuation phenomenon is one of the many reasons for centrifugal pump failure, always let everyone feel a headache. If th…

When using screw air compressor in chemical industry, we should not only pay attention to quality, but also ensure its process and production. Chemical industry commonly used to air compressor are: ventilation and mixing, cleaning equipmen…

Horizontal multi-stage centrifugal pump is a type of centrifugal pump, there are vertical and horizontal points. Generally used in floor water supply and circulating water, this kind of pump has no suction head, so it can only be installed…