ĳ늏S偠tSCRÓ��ϵ�y(t��ng)��칤�̷��

��r�g��2021-03-09 11:06 ��Դ��(ji��)��c�h(hu��n)�� : �� x��3778

ժ Ҫ��ĳ늏Sᘌ�偠t��Ó��ϵ�y(t��ng)�\��д��ڵĆ��}�M��о�,��ԭ��Ó��O��ϵ�y(t��ng)��A��,��ʩ��SCRÓ��ϵ�y(t��ng)�ĸ��죬ʹ��偠t��⵪��ŷ��_��˭h(hu��n)��Ҫ��˜�,��Ķ��F(xi��n)��λ�Ĺ�(ji��)�ܸ�Ч�l(f��)չĿ��,��

�P�I�~��偠t��; SCRÓ��ϵ�y(t��ng);��;

ĳ늏S��_240t/hѭ�h(hu��n)��偠t��֮ǰ�t��픲��x��̎��b��SNCR��x��ԷǴ߻��߀ԭ��Ó��ϵ�y(t��ng),��ԓSNCR��Ҫ�M��ϵ�y(t��ng)�ǣ�(1)��ˮ��ע,��惦ϵ�y(t��ng)��ͨ�^��܇��ˮ(20%��\ݔ?sh��)��S��ˮ��c��档��ˮͨ�^��ˮ��ע��ݔ�͵��ˮ��ރ��ʹ��,��(2)��ˮݔ��ϵ�y(t��ng)��ˮݔ�ͱÌ��еİ�ˮݔ��o�B(t��i)ϡ��͹�ˇˮ��ϡጞ�5%��ҵİ�ˮ��,��ݔ��tǰ��ϵ�y(t��ng)�M��Ó��(3)ϡ�ˮϵ�y(t��ng)��}ˮ��S��}ˮϵ�y(t��ng)��ϡ�ˮ��,��ͨ�^ϡ�ˮ�ô��o�B(t��i)��c20%��ˮ��,��Ŀǰ��h(hu��n)��Ҫ��׃,��⵪��ŷŘ˜��ԭ��100mg/Nm3��ߞ�50mg/Nm3,��푑��Ҍ��ŷŵĭh(hu��n)��ָ��Ҫ��Ҫ��ԭ��SNCRÓ��ϵ�y(t��ng)�M�и��,��SCRÓ��ϵ�y(t��ng),��

1��̸śr

��̞��ԭ��늏S1#偠tȫ��Ó��b�á�ԭ偠t�OӋ��ӿ��A��,��F(xi��n)�OӋ�s�p��һ��,��A��ܲ�׃��ʡú��¹�ϵ�M��˲��A��λ��,��v��3m��Ҹ߶ȿ��g��bSCRÓ��O��,��ʡú��ܲ�׃,��ʡú��ܽM��_��λ��2��ⲿ��估4��(li��n)�j��B�ӣ��ⲿ��·��ù��X��,�,��A��S�߹ܿ՚��A��OӋ��ʽ��ã��ɼ��,��L��һ��L��g,��ݰ��Ó��߻��o��䓽Y��֧��ϵ�y(t��ng)��,��NOx�O(ji��n)�y�b�õ�,��

2��ˇԭ��

��õ��x��Դ߻�߀ԭ��Ó��g��ԭ��SNCRÓ��ϵ�y(t��ng)��^��߀ԭ��ʡú��λ,��Ƴ��Ŀ��g��ضȿ��320��420��,��Ȼ��b��Զ��⁞��d�w��C��ؓ�d�Ͱ�ʽ�߻��^��ڴ߻��,��е�NOx�Mһ��Ó��,��ȏ�150mg/Nm3(�˸ɣ�6%O2)��50mg/Nm3(�˸�,��6%O2)��,��Ķ��F(xi��n)NOx�ĳ��ŷš�Ó��߀ԭ��

��ѭ�h(hu��n)��偠t��⺬�m��ƫ��,��̲��˿�϶�ʴ�,��e��İ�ʽ�߻��߻��\��ќضȷ��,��\�Мضȸ��ڴ߻��ߜض��ֵ�r,��Cʽ�߻��l(f��)��Y�ʹ��ѣ��\�Мضȵ��ڴ߻��͜ض��ֵ�r,��@,��ɵ��@��ڴ߻��߻��ף��´߻��Խ��,��Ӱ�Ó��Ч��,��SCR��\�Мضȱ�횸��ڴ߻��͜ض��ֵ��tֹͣ��백,��ͣ�\SCR�b��,��̴߻��\�Мضȷ��320��420�档

3ϵ�y(t��ng)��

3.1 ��

SCRÓ��b�õğ��ֱ��cʡú��²��ܛ�B��B,��ͬ�r��O�Ì��SCR��,��ʡú��ڵğ��ͨ�^SCR��ڟ��M��SCR��ͨ�^��²�ֱ��c��ʡú��B��

3.2 SCR��

��һ�_SCR��,��SCR��w��,��ΌӴ߻��ˮƽ֧��wϵ,��NOx�z�y�x,��߻��b�T��b늺��J��ٱ��,��ƽ�_��,��

3.3 ��ϵ�y(t��ng)

SCR�b�õĴ��ϵ�y(t��ng)��҉��s�՚��ԏS�^(q��)��s�՚�ܵ�,��s�՚�Ҫ��0.4��0.6MPa,��߻��ķe�ҡ��O3�_��,��ÿ��w��ƹ�,��B�ӹܵ��ܼ��,��

4�\��c�S�o

4.1 ��\��

ֻ�Ќ�偠t�ܵ��M��ϴ��ȼ��ȼ��O��ȼԇ��Ϩ��M�д߻��İ��b,��{ԇǰ��M�д߻��İ��b,��o��M��Ҫ�󣬄t��C��坍ϵ�y(t��ng)��Ͷ��ʹ�ö��ҹ��ϵ�y(t��ng)Ͷ�\�ėl��ϵ�y(t��ng)��b,��z��ꮅ,��ϵ�y(t��ng)ˮ��,��,��Ó��偠tͶ�\��,��ϵ�y(t��ng)�{ԇ��,��

4.2 ��

�߻��b��ɺ�Ҫ��M��ؼ����Ҋ��1,��

�ڴ߻��^��,��ֹ�߻��ˮ��ʲ��ܵ��5��/min,��ضȸ��͇��ضȕr�_ʼ��,��ͬ�ӣ��ضȵ��͇��ضȕrֹͣ��,��_��Ԅ��\�г��,��Ԅ�ѭ�h(hu��n)�g��ң��߸��(j��)��pʧ��r�M��ք��ҡ�

4.3 ϵ�y(t��ng)�Pͣ��Ҫ��

�Pͣ��偠t�r,��_��͹��ضȕr,��ֹͣ��P�]�r,��߻��ض��½��ٶȑ��^60��/min,��Ĝض��½��ܕ��´߻��_�ѡ�ϵ�y(t��ng)�Pͣ��,��ô��߻��M�з��ʹ��,��C�߻��ķe��Ƀ��һ��ɷ��坍��,��]��,��е��y��T��,��z��׾��],��ͣ�\��g��ȵ��ȑ��S��ڱM��ܵ͵�ˮƽ,��Է�ֹˮ��ĳ��e,��б�Ҫ�ڷ��ĵײ��b�R�r��늼ӟ��ͣ܇��g�\��,��ض��^�ͻ��^��r,��늼ӟ��g��\�У�ʹ�߻��ָ��B(t��i),��

4.4 ע��

��ضȵ͕r,��е�NOx�cNH3��@��,��ضȵ��͇��ضȕrֹͣ��,��߻��420�漰��Ϝضȟ��l��L��\�У��߻��ϰl(f��)��ͽY��׃��,��ʹ�߻��ʧ��,��

4.5 �߻��ж�

��ͬ��w��Һ�B(t��i)�߻��Ӱ푣��߻��Ļ��Ԍ��,��ʧ��̶��ܴ߻��ĝ��,��c��|�ĕr�g�Լ��c��|�r�Ĝضȵ��ص�Ӱ푡��c�},��},��V�}��}�}�ȶ��߻��ж��¶�c�ضȅ^(q��)�\��,��ʹ�\�Еr��Խ¶�c�ضȅ^(q��)�ĕr�g�M��ܶ�,��˿ɜp�p�ж��Y��,��Ҵ��ڲ��ô��7d��ѵĴ��ڑ��(j��)��H��a�\��r�M��{��,��

4.6 �߻��ľS�o

ģ�K�bж��\�^�̇��փ��е�Ҫ��M��I(y��),��߻��惦��ϵ�y(t��ng)ֹͣ�\�ЕrҪ��÷��ʩ,��߻��Ӱ�,��ͣ�\��g�_��Լ��P�]��ã��C��ģ�K�M��Ĵ�ֱ��,��о��ʌ��R,��_��ÿ��߻��w��ģ�K�ж��]��λ��z��ģ�K�І��w�Ƿ��Ɠp��,��r��ҹ��,��z��ģ�K�M��֮�g��ܷ⣬�Լ�ģ�K�M��c��֮�g��ܷ�,��_��ܷ�Ҫ�ص�,��Ա��⟟��й©��wԔ��Ҋ��2,��

4.7 ��\�༰̎��

��ھ��,��߻��ѽ��ˉ��O�ޡ��ܳ��F(xi��n)�Ĺ��ԭ��ų�,��t��\�еĴ߻��Ʒ�M�л��ԙz�y��Դ_��߻��H�Ļ��Ԡ�B(t��i),��

5��Ҫ�O��u�r

�O��Ͷ�\��M��wԇ�,��

(1)��󣬉��,��͟��ɷ֜y�c��λ�ú͜y��ʽ��ú��,��C�ɜy��Ó��ϵ�y(t��ng)��ڡ��ڵĉ��NOx��,��

(2)Ó��b��ܿ��ԇ�r��NOx�ŷ�С��50mg/Nm3��6%��l��,��λ�ڟ��ɼ��x��NOx��y�c��ݝ��С��3ppm,SO2/SO3�D��С��1%,��ϵ�y(t��ng)��Ó��Ч��_��85%��,��

6��깤��Ͷ�\ʹ�õ�Ч��

��ɱ��C�ڰ�ˮ��Ļ��׃��ǰ��£��߰�ˮ�c��ķ��Ч��,��_��ĳ��ŷ�Ҫ��,��ɱ��C偠t�ğ�Ч�ʲ�׃��ұ��C��ȼ�ϵĳ��ȼ��,��ȸ��ǰ��˰�ˮ��ʹ��Ч��,��˭h(hu��n)��Ч��,��˵��ŷſ��p��M�õ�֧��,��Ĕ�(sh��)��(j��)��^��,��偠t�Mؓ��\�еĠ�B(t��i)�¡�ȫ��\��8000h,��s�ɜp�ٵ��ŷ��235700Nm3/h×100mg/Nm3×8000h=188.56t,��

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