Energy Process Optimization of Compressed Air System Based on Global Process Integration Technology

Energy Process Optimization of Compressed Air System Based on Global Process Integration Technology Ma Tianqi 1 Jia Zhenyuan 2 Li Hongqi 1 (1 School of Environmental and Energy Engineering, Beijing University of Technology, Beijing 100124, China; 2 Beijing Huayuan Yitong Heating Technology Development Co., Ltd., Beijing 100070) The global process integration technology is used to research and analyze the energy process optimization of the compressed air system. The single point energy saving for the air compressor is extended to the global energy saving at the energy process level for the entire compressed air system. The results were compared and analyzed. When the energy efficiency of the compressed air system was increased to a certain level, the significance of energy-saving optimization for the air compressor main unit (single unit) was gradually reduced, and the technical difficulty and cost increased significantly.

Theoretical and experimental research on condensing evaporator in automatic cascade refrigeration system èŠ® Shengjun, Zhang Hua, Zhao Wei, Li Juanjuan (Institute of Refrigeration Technology, University of Shanghai for Science and Technology, Shanghai, 200093) The theoretical calculation of heat transfer in the generator has obtained three levels. Theoretical calculation data of heat transfer of two condensing evaporators in an automatic cascade refrigeration system,

High-temperature 2-color Ratio Pyrometer

This classification includes two color infrared pyrometers measuring range start from 600â„ƒ. Two-color pyrometer determines the temperature of an object by measuring the ratio of energy at two different wavelengths. The advanced software and hardware design help pyrometers meet the application in harsh environment as moisture, dust, target size change, partial blockage and emissivity change, even if the detection signal attenuates 95%, the temperature measurement results will not be effected.

In two color mode, pyrometer measure the highest temperature in an area without being limited by the size of the measured target. The two-color mode determines the temperature by the ratio of the signal from two wavelength. When with small measuring object, dusty, water vapor and foggy, changing distance, partially occlusion, and frequently changing emissivity, the signals of two wavelength fall simultaneously and the ratio remains the constant after division.

Pyrometer detectors are normally laminated silicon, products are usually applied to metallurgical industry(rod and wire mills, Hot rolling mills), foundry, cement kiln, induction heating, heat treatment, heating furnace, vacuum furnace, monocrystalline silicon, polysilicon, semiconductor and other industrial temperature measurement.

2-color Pyrometer, high temperature infrared pyrometer, high temperature Pyrometer

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