Invented on April 15, 1999 (patent number: ZL93311714.1), it has played a prominent role in securing the walking furnace project for the hospital. It has good economic benefits and can generate an annual income of about 500,000 yuan. . In the scientific research project combined compressed air purification device, we conducted research on the comprehensive utilization of system energy and heat exchange process, and successfully solved the problem that the higher the degree of air purification, the higher the energy consumption, making the device reach the commercial level with low energy consumption. Quality purity. Its patent number: ZL9423676. 6. It has passed the technical appraisal by the Zhejiang Provincial Science and Technology Commission (Zhejiang Science and Technology Signature [1998] No. 288), with an annual patent fee of more than 200,000 yuan, and good economic benefits. In the CCPP projects (gas-steam combined cycle power generation units) of Jiuquan Iron and Steel Co., Ltd. and Tonghua Iron and Steel Co., Ltd., the fluctuation law of the remaining gas in the steel plant and the calculation program were used to solve the problem of how to correctly select the gas-steam combined cycle and determine the capacity of the unit. Gas consumption and emission issues.