What are the conditions and preparations for low-pressure boiler furnace drying?

(1) The boiler and all auxiliary equipment are installed, and all tests such as ball passing test, hydrostatic test and air tightness test are qualified.

(2) All rotating devices, feed water pumps, condensate pumps, salt solution pumps, blowers and induced draft fans for coal conveying, combustion and ash removal are qualified for trial operation.

(3) The fuel and water supply are guaranteed, the steam, water and flue gas piping system are normal, and the connection unrelated to the boiler to be dried is cut off and isolated.

(4) All testing and measuring instruments, safety protection and control systems are normal, and all tools and materials used during the furnace drying are fully prepared.