Product principle of fan and water pump

The product principle of the fan and water pump The traditional wind environmental protection machine and the design of the water water pump flow are designed to the maximum demand. Its adjustment method is controlled by baffles, dampers, return, start and stop motors, etc., which cannot form a closed loop control, and it is less considered to save The concept of electricity, but in actual use, the flow varies with various factors (such as season, temperature, process, output, etc.), and is often much smaller than the maximum flow. To reduce the flow, usually only the opening of the baffle or valve can be adjusted, that is, the flow can be adjusted by closing and opening the opening of the valve/baffle. The essence of the valve control method is to change the flow rate by changing the resistance of the pipe network. In this control method, when the required flow rate decreases, the pressure will increase instead, so the reduction of the shaft power is limited. At this time, the excess fan and pump power will be The resulting increase in pressure causes great energy loss. Water pump factory, water water pump factoryu003c/pu003e
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