SNCR flue gas denitration spray gun and double-cavity mixing double-layer injection technology thereof
A spray gun and flue gas technology, which is applied in the field of double-chamber mixed double-layer spray technology for SNCR flue gas denitrification spray guns, can solve the problems of not improving the penetration, and achieve the effect of strong penetrating power and strong atomization performance
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[0024] The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0025] Such as figure 1 As shown, a SNCR flue gas denitrification spray gun is composed of a central injection pipe, an outer annular injection pipe, a reducing agent delivery pipe section, and a compressed air delivery pipe section. A mixing chamber 11, a reducing agent delivery pipe section 1 and a compressed air delivery pipe section 2, a delivery pipeline 3 is provided between the compressed air delivery pipeline section 2 and the first mixing chamber 11, and a communication pipeline is provided on the side wall of the delivery pipeline 3 4 communicates with the second mixing chamber 9 of the outer layer annular injection pipe; the outer layer annular injection pipe 5 is arranged on the periphery of the central injection pipe 8, the front end is provided with an annular injection port 6, the rear end is provided with a second mixing chamb...
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