Inflating beam-grate type cooler for dry slag system of electric power boiler

Abstract

The invention of aeration cooler relates to a electric boiler dry flushing 1 system, comprising upper shell, pusher mechanism, grate bed, gearing and supporting apparatus, gas feeding tube, under shell, grate support, lower shell, supporting apparatus and aeration grate. Its grate bed is linked to the lower shell and supporting apparatus though grate support which is linked to aeration grate of grate bed ; its grate support with gearing and supporting apparatus fixed on it, is linked to pusher mechanism of aeration grate ; there is suitable space for labyrinth type packing between pusher mechanism and grate bed ; three lateral surfaces of grate bed outside with the upper shell and fireproof, material is used on contact site ; the relevant position of support system is connected to gas feeding tube, with oblique layout. Its properties include high efficient heat exchange, good cooling effect, simple and compact structure, high running ratio and long service life.

Description

technical field [0001] The invention belongs to the field of electric power industry, and in particular relates to an air-filled beam grate cooler used for a dry slag removal system of an electric boiler. Background technique [0002] At present, there are generally two ways to cool the slag of domestic electric boilers. One is water cooling, that is, the hot slag generated by the boiler is directly put into the water, and then the cooled slag is taken out of the water by a zipper machine for subsequent crushing and drying. This method consumes a lot of cooling water, and it is difficult to treat the water after cooling; water vapor is generated during cooling, which affects the combustion of the boiler; the structure is complex, there are many moving parts, and the failure rate is high. [0003] The other is air-cooled. The disc conveyor is used to transport the slag discharged from the boiler to the slag crusher for crushing and subsequent processing. The cold air cools t...

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Problems solved by technology

[0002] At present, there are generally two ways to cool the slag of domestic electric boilers. One is water cooling, that is, the hot slag generated by the boiler is directly put into the water, and then the cooled slag is taken out of the water by a zipper machine for subsequent crushing and drying. etc., this method consumes a lot of cooling water, and it is difficult to treat the water after cooling; water vapor is generated during cooling, which affects the combustion of the boiler; the structure is complex, there are many moving parts, and the failure rate is high

[0003] The other is air-cooled. The disc conveyor is used to transport the slag discharged from the boiler to the slag crusher for crushing and subsequent processing. The cold air cools the slag on the disc conveyor by natural ventilation through the ventilation holes on the disc conveyor shell. The cooling effect of this method is poor, and the cooling air volume entering the boiler cannot be controlled, which has an impact on the combustion of the boiler; the structure is complex, Many moving parts, high failure rate

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