PURPOSE: To form a local high-temperature region, prevent the formation of clinker on a dispersing plate and carry out an efficient gasification reaction, by inserting a supplying pipe for a gasifying agent, pulverized coal and char into a central part above the dispersing plate of fluidizing bed type coal gasifying equipment.
CONSTITUTION: A gasifying agent is supplied through a gasifying agent supplying pipe 5, an auxiliary, gasifying agent supplying pipe 5, an auxiliary, gasifying agent supplying pipe 8 and a solid matter drawing out pipe 2 to fluidize solid particles 17 thrown into the equipment through a loading aperture 12. When a gasifying agent having a large content of oxidizing agent, pulverized coal caught by a dust catcher and char are supplied through a supplying pipe 7 for a gasifying agent, pulverized coal and char that is inserted into the upper part of the dispersing plate 1, a high- temperature region is formed above the pipe 7, where pulverized coal and char are burned to be gasified. The resulting gas is taken out through a gas exhaust pipe 14. On the other hand, ash formed in the gasification is softened and fused by a high temperature to agglomerate, and then discharged through a constriction-shaped retention pipe 3 for restraining the fall of solid particles and a solid matter drawing out pipe 2.
SHIRAKAWA SEIICHI
IWAHASHI KOUJI
FUJIOKA YUUICHI
TAKAMOKU HIDETOSHI
| JPS5661486A | 1981-05-26 |