Pumps are large energy users in the steel industry. Pumps of various specifications are widely used in various processes in the steel industry. They can be found in many processes such as water circulation, hydraulic pressure, cooling, flushing, water treatment, etc. Specifications of the pump. One of the most widely used centrifugal pump, which can have a variety of structural forms due to different structures, such as single-stage single suction centrifugal pump, single-stage double suction centrifugal pump, multi-stage pump, vertical long axis pump, submersible pump, etc. , But their core components - the impeller are all centrifugal, so this article focuses on energy saving centrifugal pump. Centrifugal pump energy saving analysis and measures: 1 to improve the efficiency of the centrifugal pump The first step in the selection of more than the selection of suppliers of the program, consider the premise of cost-effective try to use high efficiency program; the second step, Send a certain number of professionals in the factory producer, the key components that affect the efficiency of pumps such as impeller, pump body, pump cover, deflector (vertical long axis pump) and other manufacturing quality supervision, especially for the wing of the impeller, Outlet angle, blade indexing, flow channel shape, finish and other quality control, so that the delivery of the product under the current production conditions of high efficiency products; The third step in the production site installation and commissioning process, to Ensure that the foundation of the pump is solid, and the drive machine is well centered. The front and rear valve switches are flexible. The piping layout is reasonable and the on-site control is safe and feasible. The operation monitoring instruments are complete and accurate to ensure real-time monitoring of the pump operation. The fourth step is In the long-term operation of the pump to pay attention to the equipment inspection, found that abnormal circumstances immediately reflect the report, in the normal minor repair, overhaul cycle, to deal with each wearing parts Check and replace, ensure long-term efficient and safe operation of the pump. 2 Optimizing Existing Pumps By adjusting the impeller diameter and pump speed, the pump head and shaft power flow will be affected, but with no effect on the efficiency curve, allowing the pump to operate in a high-efficiency zone. The above adjustment flow head is a certain range of limits, if the conditions change too much, the original pump may have to consider modified.
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