Cement burning apparatus, and method for denitrating exhaust gas from cement kiln
A cement kiln and cement technology, applied in separation methods, chemical instruments and methods, lighting and heating equipment, etc., can solve the problems of low denitrification efficiency and increased operating costs, and achieve the effect of improving decarbonization efficiency and reducing NOx concentration
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[0022] figure 1 An embodiment of the cement burning device according to the present invention is shown. The cement burning device 1 is composed of a preheater 2 for preheating cement raw material (hereinafter referred to as "raw material") R, and passing through the uppermost part of the preheater 2. The three-stage calciner 3 is pre-burned by blowing the raw material R1 of the cyclone separator 2b into the fuel F2 of the calciner burner 13, and the raw material R2 blown from the lowest stage cyclone separator 2a of the preheater 2 A cement kiln 5 for firing the fuel F1 fed into the main burner 15, a slag cooler 6 for cooling the cement slag fired in the cement kiln 5, and a denitrification system installed at the inlet end 4 of the cement kiln 5 It is composed of a burner 14 and the like. In addition, except for the denitration burner 14, the configurations of the preheater 2, the precalciner 3, the cement kiln 5, the slag cooler 6, etc. are the same as those of the conventi...
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