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[�ЈD��̖]X [�īI(xi��n)��(bi��o)�R�a]A [��¾�̖]1007-1865(2011)07-0274-01

Application of “Low Nitrogen Burning+SNCR” Denitrification Technique
in Coal-fired Boiler Flue Gas Denitrification

Wei Qinggao

(Guangzhou Environmental Protection Technology Equipment Company, Guangzhou 510030, China)

Abstract: The “low nitrogen burning+SNCR” denitrification technique is with good, stable, simple and covers less. The paper introduced that the “low nitrogen burning+SNCR” denitrification technique took the application in a factory in Guangzhou and would have a wide application prospect in the field.

Keywords: low nitrogen burning,��SNCR��denitrification

1 �͵�ȼ��SNCR ��ˇ��B

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2 �͵�ȼ��SNCR ��ˇ��偠t��Ó��̎��еđ�(y��ng)��

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2.1 ̎��ˇ�ĸ��

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2.2 Ó��ϵ�y(t��ng)�Ľ�B�f��

(1)�͵�ȼ��ϵ�y(t��ng)

��Ҫ�ĸ��(n��i)�ݰ��

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(2)SNCR ϵ�y(t��ng)

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��Կ�ϵ�y(t��ng)��Կ�ϵ�y(t��ng)��÷�ɢ��ϵ�y(t��ng)(DCS)��SNCR �Ĺ�ˇ�^��M(j��n)�бO(ji��n)ҕ��,��^�̿��ƺ��a(ch��n)��,��ÿ��ƹ�һ��,��I/O ��^��(UPS)��һ�ף�2 ��Tվ,��NH3 �B�m(x��)�O(ji��n)�y�b��һ��,��NO3 �B�m(x��)�O(ji��n)�y�b��һ�ס�

2.3 ϵ�y(t��ng)��{(di��o)ԇ�\(y��n)�м�̎��Ч��

ԓÓ��ϵ�y(t��ng)��b��ɺ�,��R��M(j��n)��ϵ�y(t��ng)�ĆΙC(j��)�{(di��o)ԇ��168С�r�B�m(x��)�\(y��n)��,��\(y��n)��Ч��@ʾ��(j��ng)�^ԓÓ��̎��ϵ�y(t��ng)̎��,��H��NOX �ĝ��,��_(d��)��ŷŘ�(bi��o)��(zh��n)��߀�M(j��n)һ��_偠t��ȼ��Ч��,��(sh��)�F(xi��n)��^�õĭh(hu��n)��Ч��ͽ�(j��ng)��(j��)Ч��,��ϵ�y(t��ng)�\(y��n)��,��ί�ЏV��Эh(hu��n)��O(ji��n)�y��վ�M(j��n)�бO(ji��n)�y��(j��)�O(ji��n)�y�Y(ji��)��@ʾ,��̎��ŷŵ�NOX ��Ȟ�177 mg/m3,��?c��)�̎��_(d��)��69 %��ϣ��_(d��)��ŷ�Ҫ��͘�(bi��o)��(zh��n)�ŷ�,��

3 �Y(ji��)Փ

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