Cyclone burning method and device for reburning fuel in cyclone drum for denitration
A cyclone combustion and cyclone technology, which is applied in the combustion using block fuel and liquid fuel, the combustion using block fuel and gaseous fuel, and the combustion using block fuel and powder fuel, etc., can solve the heat release of the cyclone. It can reduce the problems such as the threat of normal operation of the cyclone furnace and the limited degree of fuel grading, so as to achieve the effect of solving the problem of burnout, easy implementation and long residence time.
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[0018] The present invention is described in further detail below in conjunction with accompanying drawing:
[0019] see figure 1 , a cyclone combustion method and device for realizing fuel reburning and denitrification in a cyclone proposed by the present invention, the schematic diagram of the device structure is shown in the figure. The device mainly includes cyclone, main fuel and primary air inlet, secondary air inlet, reburning fuel inlet, cyclone concave outlet, burn-out air nozzle, boiler main furnace and liquid slag granulation water tank.
[0020] The cyclone combustion method for realizing fuel reburning and denitrification in a cyclone proposed by the present invention specifically refers to: (1) the main fuel airflow sent in by the main fuel and the primary air inlet, and the high-pressure airflow sent in by the secondary air inlet The high-speed air (or "oxygen-enriched" air) is strongly mixed and combusted, forming the so-called main combustion zone in the firs...
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