RECONSTRUCTION SUMMARY OF DE-CARBON HIGH-PRESSURE FLASH-TANK FOR NHD SOLUTION

Several liquid-entrainments is encountered in a high-pressure flash tank when the load of purification de-carbon system reaches 70% in coal-water slurry gasification plant.A second inner-structure reconstruction of the high-pressure flash tank is carried out with no good effect.Afterwards,an additional high-pressure flash tank is added and the liquid-entrainment is completely resolved.A 4-years′stable running shows that such reconstruction to the high-pressure flash tank is very successful.