Taking the coke blanking system of gasifier in Shanxi Sanwei Company as the example, this paper expounds the scheme and benefit of technical transformation of coke blanking system of gasifier.

The existing Φ3 600mm and Φ2 000mm gasifiers were compared.

Both gasification mechanism and technology process producing the semi water coal gas by gasifier were introduced, control scheme and design method were described for Self Adjusting factor blurring controller, anti interference measures were taken for running of double gasifiers in paralleling through the soft ware design and hard ware configuration of control system.

The distributing control system for a gas-making furnace in a nitrogenous fertilizer factory;

The successful renovation of fluidized boilers using low heat value slag from gas making as fuel has significantly reduced comprehensive energy consumption in ammonia production and opened up a new path for steam self supporting in ammonia production of small sized nitrogenous fertilizer plants.

Welding repair process to bottom cast iron ash cellar of gas making furnace;

This article introduces an automatic coal filling technique for gas making furnace After modification, economic benefit is improved.