Horizontal type chain grate heat medium heater capable of coupling side wall staging air and flue gas recirculation
A flue gas recirculation and chain grate technology, applied in lighting and heating equipment, heat storage heaters, fluid heaters, etc., can solve the problem of high exhaust heat medium furnace emissions, delay the combustion process, reduce the combustion temperature and Combustion intensity, the effect of solving excessive NOx emissions
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[0015] The present invention will be further described below in conjunction with the drawings.
[0016] Such as figure 1 Said, the horizontal chain grate heat medium furnace coupled with side wall classification air and flue gas recirculation of the present invention is composed of scraper feeder 1, combustion chamber 2, chain grate 3, horizontal furnace body 4, and tail The flue 5 is composed; the combustion chamber 2 is surrounded by a short front furnace arch 6, a low and large span rear furnace arch 7 and the chain grate 3; the horizontal furnace body 4 is located in the Above the combustion chamber 2, a large number of heat medium tube bundles 8 are arranged in the inner space, and are divided into a large space heat medium radiation heat exchange area and a small space heat medium convection heat exchange area in sequence along the flow direction of the flue gas; the tail flue 5 has successively A waste heat boiler 9 and an air preheater 10 are connected; a plurality of pri...
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