Device and process method for ERDIII cement plant ultra-low emission denitration
A cement plant and denitrification technology, which is applied in the field of flue gas denitrification, can solve the problems of high consumption of ammonia water, spraying ammonia water, and failure to achieve it, and achieve the effects of avoiding secondary pollution, reducing the burden of denitrification, and reducing the amount of use
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[0062] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0063] Such as figure 1 As shown, the present invention provides an ultra-low emission denitrification device for an ERDIII cement plant, which includes a calciner and a powder denitrification agent delivery device. The bottom of the calciner is provided with a secondary air inlet, which is connected to a cement rotary kiln. The calciner 16 includes a reduction zone 2 , a main combustion zone 3 , a reburning zone 4 and a burnout zone 17 from bottom to top.
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