Small hose pump for slurry grouting
2020-11-26 14:33:29
Small hose pump for slurry grouting
The small hose pump for slurry grouting belongs to the category of peristaltic pump. Peristaltic pumps are a type of rotary positive displacement pumps. They are named because they work similarly to the gastrointestinal tract to transport gas, solid and liquid three-phase media. There is no strict distinction between a mud delivery small hose pump for slurry grouting and a peristaltic pump. Generally speaking, peristaltic pump refers to small flow (in ml / min) and low outlet pressure (not more than 3kg / cm2), which is mostly used in the field of health and laboratory measurement. The small hose pump for slurry grouting refers to large flow (up to 80 m / h) and high output pressure (up to 16 kg / cm2), which is mostly used for large flow transmission and measurement in industrial occasions.
Designers and users of small hose pump for slurry grouting first value its ability to convey highly abrasive media. It has no valve, no seal, and the only part in contact with the medium is the inner cavity of the rubber hose. The rotor of the hose pump for slurry grouting is completely independent of the medium. In addition, the hose pump for slurry grouting has many unique features: no other pump has better self-priming ability than the hose pump for pumping slurry, which can almost produce a perfect vacuum to suck liquid; No air resistance; conveying high viscosity, shear sensitive media is also a strong point; a fixed displacement per revolution has nothing to do with the outlet pressure, and is a natural metering pump.
How to solve these problems? Next, answer each question.
1. The bursting of the squeezing pipe is due to the excessive pressure of the pump outlet. It should be the entire conveying pipeline or the front end of the conveying. If the outlet pressure of the small hose pump for slurry grouting still exceeds the rated pressure, the gap between the squeeze wheels should be adjusted, and the gap between the squeeze wheels should be increased to reduce the working pressure.
2. Insufficient flow rate means that the delivery flow of the small hose pump for slurry grouting is less than the flow requirement of the work. This is because the gap of the squeeze wheel is somewhat larger, but the amount of interference is small when the pipe is squeezed during the work, only the backflow of the conveyed fluid, so the outlet flow rate is not reduced. When required, the gap between the squeeze wheels should be adjusted and reduced.
3. The pressure at the outlet of the small hose pump for slurry grouting cannot reach the pressure required by the work. At this time, the more material going back directly from the squeeze tube, so as not to meet the requirements of the work, the gap of the squeeze wheel should be adjusted, and the gap of the squeeze wheel should be adjusted. Smaller, increase the squeeze interference of the squeeze tube to increase the pressure.
4. If the squeeze tube wears faster than normal wear, it may be abnormal wear. At this time, you should first check the lubrication of the squeeze tube, whether to apply lubricating silicone grease regularly, and also check whether the squeeze wheel and recovery wheel Normal rotation, if the squeeze wheel or recovery wheel is stuck or cannot rotate normally, it will also accelerate the wear of the squeeze tube. The email: sales@leadcrete.com
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