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ժҪ�� ��ؽ�BĿǰ��Ҫ�Ě��X��t��Ó��g,��"�͵�ȼ��+�x��ԷǴ߻�߀ԭ(SNCR)+�x��Դ߻�߀ԭ(SCR)"�ͺ�Ó��g,��ԓ��g��c��̑��r�M��̽��.

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�挦��ИI(y��)�h(hu��n)��˜��څ��څ�ݣ��X��I(y��)��m(x��)��X��t��Ŀ��ճ�,��h(hu��n)��Ͷ�Y�^��,��_��^�m(x��)��ŷŘ˜ʕr�o��ٴ��M�и��X��I(y��)��ŷŘ˜��ߵ��ŷŵ�ˮƽ,��ۉm�ŷ�С��5mg/Nm3,��ŷ�С��50mg/Nm3��ڴ˱��,��X��t“�͵�ȼ��+ �x��ԷǴ߻�߀ԭ(SNCR)+ �x��Դ߻�߀ԭ(SCR)”�ͺ�Ó��g��\��,��õ��˿��ٵ��ƏV�͑��á�

1 Ó��g��

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2 �͵�ȼ��g

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2.1 ȼ��(y��u)��

��÷�ɢȼ��g��ͻ��ȼ��ض�,��Qԭ��ֱ��ʽ��,��÷�ɢ��졣��ǰ��Ҫ��ڸG�t�в�,��ʹȼ��^(q��)�ֲ��ضȸ�,��

2.2 �՚�ּ�

��Ҫ��C01 ��P04 �B�ӹ��ָߜؿ՚��P04,��pС�M��P04 ȼ��Ҳ��ֵĿ՚��,��ԓ�^(q��)��Ŀ՚��^��ϵ��Ķ��͸ߜ؅^(q��)��,��ʹȼ��̎��ؚ��߀ԭ��,��Ƶ��ɡ�

2.3 ��X��

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2.4 ��ڵĆ��}

�͵�ȼ��mȡ��õ�Ч��,��Ҳ��һ��Ć��}��

(1)��ԣ�P02 ��Ϲ��M��ڃɶ˸߲��ޣ��Ҫ�_��һ��¶Ȳ��ܱ��C��형�,��ڸ��^��Пo��F(xi��n)��c��,��Щ�t��B��c��϶��o��M��,��ԓ헼��g�Č��H��á�

(2)�՚�ּ��Ɔ��}��՚�ּ��g��Ҫ�ʴ_��ƿ՚�ķ��,��ܱ��Cȼ��ȼ��ķ�(w��n)��Ժͳ��,��˺��m(x��)��a�Ќ��Ŀ��Ҫ��^�ߣ��Ҫ��a�^��,��

3 �x��ԷǴ߻�߀ԭ��g(SNCR)

3.1 SNCR ��gԭ��SNCR ��g��һ�N��̘I(y��)�Ե��̎��g,��ڻ�늏S��偠t�ИI(y��)�ѽ��V��á�SNCR ��Ҫ��850 �� 1100��,��Ļ��W��ؚȼ��,��NO߀ԭ��N2 ��ˮ,��Ч�ı��߀ԭ��cؚȼ��Ĵ��

SNCR ��g��ڟo�߻��ڗl��t�ȇ��߀ԭ��(Һ��),��NOx ߀ԭ��N2 ��H2O,��950��Ҝضȷ��ȣ��ʽ�飺

4NH3+4NO + O2 → 4N2+6H2O

��ض��^�ߕr,��l(f��)��µĸ��,��֕��NO ��

4NH3+5O2 → 4NO+6H2O

��ض��^�͕r��֕��p��ٶ�,��ԜضȵĿ��P��Ҫ��,��X��tP04 �϶μ��ڲ��ֵĜض�ǡ��900 �� 1000�棬ǡ��̎��SNCR ��ѷ��ض�,��

3.2 SNCR ��g��ˇ��

SNCR ��g��߀ԭ��Ƃ䃦��ϵ�y(t��ng),��ѭ�h(hu��n)ݔ��ģ�K(HFD ģ�K)��ϡ�Ӌ��ģ�K,��ģ�K,��ģ�K(PCV ģ�K)��߀ԭ��b�ú��c֮��ƥ��Ŀ��ƃx��ȽM��,��SNCR ϵ�y(t��ng)Ó��^��Ă��^��ɣ��պ̓��߀ԭ��,��߀ԭ��Ӌ��ݔ��cˮ��ϡ�,��ڸG�t��mλ��ע��ϡጺ��߀ԭ��,��߀ԭ��c��M��Ó��

3.3 SNCR ��g�P�I

(1)��λ�õ��x�񣺇��λ�õ��x�񲻃HҪ�x��ѵĜضȅ^(q��)�g,��߀Ҫ��]NOx/NH3 �ֲ��,��X��t��L��x��ڜض��950��ң�ǡ��̎��SNCR ��ѷ��ض�,��

(2)��x�񣺱��g��x��ć��,��F��Ч�ʸ�,��͸ߜء��͸��g,��ǿ��{,��c��܉��_��ѵķ��Ч��,��

(3)��Һ��{��g�OӋ��Һ��Ԅ��{��(ji��)��,��ϵ�y(t��ng)��NOx ��ȵ��m��ԡ�

3.4 SNCR ��g��ڵĆ��}

��g�x��Һ��߀ԭ��,��Ў��һ��ˮ,��@��ˮ��Ҫ��a�^��l(f��)��˕��ú��,��

4 �x��Դ߻�߀ԭ��g(SCR)

4.1 SCR ��gԭ��

�x��Դ߻�߀ԭ��(SCR)Ó��gԭ��е�NOx �c��NH3 ��Ó��߻��Ĵ߻��·��H2O ��N2,��Ҫ��^��·��ʽ��ʾ��

�М�SCR ��ض��280 �� 400��,��е͜�SCR��ض��180 �� 280��,��䷀(w��n)��\�Мض��Ҫ��߻��ڟ��SO2 ��|��Ӱ푡�

4.2 SNCR ��g��ˇ��

ϵ�y(t��ng)��Ҫ��SCR ��,��߻��,��ϵ�y(t��ng)��߀ԭ��Ƃ�ϵ�y(t��ng),��ݔ��,��Ӌ��ϵ�y(t��ng),��ϵ�y(t��ng)�ȽM��,��Ŀ��茦P02 ��A02 �g��M�и��죬�Ա�M��Ó��Ҫ,��Ó��ضȵğ��,��^Ó��ͻ؟��,��O��·�y�T,��

4.3 SCR ��g�P�I

(1)SCR ��λ�õ��x��SCR ��Ҫ��m�Ĝضȣ��ټ��SCR ��w��γߴ��^��,��Ҫ��]��ԭϵ�y(t��ng)��Ӱ�,��˷��λ�õ��x��Ȟ��P�I��g��b��P02 �½��ϲ�,��̎��ض�280 �� 400��,��ǡ��̎��ѷ��ضȅ^(q��)�g��

(2)�߻��x��ͱ��o��t��a�^��п��ܳ��F(xi��n)��ߜ�,��ں�t�^��,��x��߻��rҪ��]һ��͸ߜ��,��߻��鮐��ߜض�ʧЧ��

4.4 SCR ��g��ڵĆ��}

��g�ڱ��tԭ��a��м��˴߻��,��_��˺ܺõă��Ч��,��ǣ��ϵ�y(t��ng)��,��y��,��ӃɌӴ߻��]��ϵ�y(t��ng)��500 �� 600Pa,��Ҫ��ԭ��L�C��M�к��,��茦��L�C�M�и��,��

5 ��t��“�͵�ȼ��+SNCR+SCR”�ͺ�Ó��g�đ��r

2017 ��,��ɽ�|κ�򼯈F��Ȇ��ӱ��t��Ó��Ŀ��^�෽��x��I(y��)ԇ�,��K�x��“�͵�ȼ��+SNCR+SCR”�ͺ�Ó��g�M�д󷶇��,��2019 ��ԓ��˾��Ⱥ��ɽ�30 �_��t��Ó�N��,��ȡ��õĜp��Ч��

5 �Y�Z

��ȶ��X��I(y��)�ĳɹ��ñ��,��X��t��^“�͵�ȼ��+SNCR+SCR”�ͺ�Ó��g��,��ŷ��_��“��ŷ�”�Ę˜ʣ�ԓ��gֵ�Ú��X��t��Ó��ṩ��b,��

����D�d��ǳ��ڂ��f��Ϣ֮Ŀ��,��Ё�Դ��ע�e�`��ַ��ĺϷ��棬Ո��߳֙��C��c��W(li��n)ϵ,��҂��r��,��h��x�x,��