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  • Name: Silicon Carbide GGH Heat Exchanger
  • Number: 1-24
  • Time: 2019-07-23
  • Views : 3

GGH heat exchanger is an important device in flue gas desulfurization system. Its function is to use the original flue gas to heat the net flue gas after desulfurization, so that the original flue gas temperature decreases, and the net flue gas temperature after desulfurization rises to the required emission temperature (about 80 C), which is discharged into the atmosphere through the flue tube.
Product characteristics
1. Increasing exhaust temperature and elevation: Reheating of flue gas can raise the exhaust temperature of wet flue gas desulfurization from 50 to 70 to 80 to 100 degrees Celsius, thereby improving the elevation and diffusion ability of flue gas from chimneys, which is
conducive to reducing pollution.
2. Dew point corrosion occurs in boiler flue gas when the temperature decreases, which affects the service life of the equipment and restricts the utilization rate of heat resources. SiC GGH heat exchanger successfully solves the corrosion problem and heat transfer problem of the flue gas to the equipment by making use of the excellent corrosion resistance and good thermal conductivity of SiC.
3. Improving desulfurization efficiency: The desulfurization efficiency increases with the decrease of flue gas temperature at the inlet of absorption tower, so the system usually uses GGH device to cool the original flue gas.
  Design parameters  
  Design pressure
  Design temperature
  Heat exchange area
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