Water ring vacuum pump has become the most widely used vacuum acquisition equipment in chemical industry, food, pharmaceutical industry, coal mine, light industry, paper making, metallurgy, mining, power generation, food and waste gas recovery and utilization industries, especially in the aviation and aerospace industry simulation test.
At present, the gas volume and power of a single water ring vacuum unit are over 70,000 m3/h and 1700 kW respectively. In recent years, with the development of national demand for vacuum acquisition equipment, water ring vacuum pumps are developing towards large-scale, complete, high vacuum and large pumping capacity. For example, 2BE water ring vacuum pump is used in lost foam casting and V-process casting in foundry industry, which requires a large amount of air extraction. The commonly used type is 2BE1or 2BE3series.
Water-ring vacuum pump has developed into a mature and necessary general mechanical equipment for the development of various industries, but there is little research on the actual energy efficiency of water-ring vacuum pump (including water-ring compressor).
In order to continuously promote the technological progress of water-ring vacuum pump equipment in China, better implement the major national decision-making of energy saving and emission reduction, and promote high-efficiency and energy-saving vacuum pump products, the energy efficiency evaluation and ways of water-ring vacuum pump are studied in detail in our company.
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