Experimental investigation into the process of fixed-bed coal gasification with reversed air blowing

The fixed-bed of brown coal with reversed air blowing is experimentally studied. A definition of the rate of the gasification process with reversed air blowing is given. Dependences of the basic characteristics of gasifier operation (rate of the process, heat-wave velocity, and production rates for the combustible gas and low-temperature coke) on the fractional composition of the initial coal and the air flow rate are obtained. The correlation between the technological characteristics and control parameters of the process is analyzed. Commercially attractive modes of gasifier operation are determined, and methods of its intensification are formulated.