【Daily Question No. 293】October 21, 2019
Thread Content
This post was last edited by Green Lotus on 2019-10-21 at 23:11. [Daily Question No. 293] On October 21, 2019, the corrosion of the pipelines in the convection chamber of the heating furnace was mainly due to dew point corrosion. True or False ( ) Please respond within two days.
Correct； However, at present, the flue gas exhaust temperature in the convection chamber of most heating furnaces is far above the dew point temperature; therefore, waste heat recovery for the flue gas is installed before it enters the chimney to keep the exhaust temperature around 120°C.