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Суултын яндангийн насосны зохицуулалт
The constant change of parameters in industrial processes requires that pumps operate within a wide range of operating conditions. The changing parameters include the required flow rate as well as the water level, process pressure, flow resistance, etc. In order to meet the operating requirements of a specific process, the хуваах яндангийн насос system must be regulated. This can be done manually or automatically.
In principle, the energy consumption in each application should also be optimized, because not only the characteristic curve of the pump and the system should be considered, but also the continuous operation time of each pump under different operating conditions. The pump is usually regulated according to the change of the water level. The actual measured water level height is used as a control signal to adjust the speed, control the throttle position of the valve, the inlet guide vane, and open or close some pumps in the system. Details are as follows:
1. Throttle valve regulation by adjusting the valve on the discharge line, the system characteristics are changed to achieve the required flow rate.
2. Speed regulation can be combined with speed regulation to reduce the negative effects of throttle valve regulation, especially to save unnecessary energy consumption.
3. Bypass regulation In order to avoid running at low load, a small part of the flow is returned from the discharge pipe to the suction pipe through the bypass pipe.
4. Adjust the impeller blades of the хуваах яндангийн насос. For mixed flow pumps and axial flow pumps with a specific speed of ng=150 or more, the pump can have a high efficiency in a wide range by adjusting the blades.
5. Pre-swirl adjustment According to the Euler equation, the pump head can be changed by changing the vortex at the impeller inlet. Pre-swirl can reduce the pump head, while reverse pre-swirl can increase the pump head.
6. Guide vane adjustment for хуваах бүрхүүл pumps with medium and low specific speeds, the highest efficiency point can be adjusted in a relatively wide range by adjusting the guide vanes.