�m��ȼ��Y(ji��)��Ó��SDA��g(sh��)

��r�g��2008-09-11 11:55 ��Դ��Ї��F�I(y��) ��: ��x��2404

ժҪ��Ľ�B�˟��Y(ji��)��c��SDA��ɷ��Ó��g(sh��)�Ĺ�ˇ��(y��u)�ݣ�ָ��SDA��g(sh��)�ǳ��m�ϟ��Y(ji��)��Ó��,��

1 ��

��,��҇��F�ИI(y��)Ѹ�Ͱl(f��)չ��ʹ�h(hu��n)��c�l(f��)չ��ì��ͻ��,��F��I(y��)Ҫ��ֿɳ��m(x��)�l(f��)չ,��ͱ�횜p�ٌ��h(hu��n)��Ⱦ��p��SO2��ŷńt��F��I(y��)�p�ٌ��h(hu��n)��Ⱦ��P(gu��n)�I�h(hu��n)��(ji��)֮һ,��,��p�ٟ��Y(ji��)��SO2�ŷńt��c��F��I(y��)�a(ch��n)��SO2��ȾԴ��Ҫ��Y(ji��)��,��ŷŵ�SO2(�ڲ��Ԃ�늏S�ŷŵ�SO2�� r��)�sռ��90%,��ˣ��ӿ쌍ʩ��Y(ji��)��Ó��,��p��SO2��F��I(y��)�h(hu��n)��Q��Ҫ��},��

2 ��Ó��g(sh��)��

��Ó��ȼ��ǰÓ��ȼ��Ó��ȼ��Ó��N,��ĵğ��Ó��ָȼ��Ó��,��

2.1�񷨟��Ó��g(sh��)��WFGD��

�񷨟��Ó��g(sh��)��WFGD��—��ָҺ�w��{��Մ��ڝ��B(t��i)��Ó��̎��Ó��a(ch��n)�ԓ��Ó�򷴑�(y��ng)�ٶȿ�,��Ó��Ч�ʸߵȃ�(y��u)�c,��Ͷ�Y��\�оS�o�M�ö��ܸߡ�Ó��a(ch��n)��̎��^�y,��ɶ��Ⱦ,��ϵ�y(t��ng)��(f��)�s��ͣ��Ȇ��},��

2.2�ɷ��Ó��g(sh��)��DFGD��

�ɷ��Ó��g(sh��)��DFGD��—�ɷ��պͮa(ch��n)��̎��ڸɠ�B(t��i)��M��,��ԓ��Пo��ˮ�͏U��ų��O(sh��)�丯�gС,��ڃ��^��Пo��@�ؽ�,��,��(y��ng)�ٶ��^��O(sh��)��,��ɷ�ȼ?x��)�Ó��g(sh��)��Ⱦ�Ȇ��},��õ��Ѹ�ٵİl(f��)չ�͑�(y��ng)�ã��Ó��Ҫ��^�ߵ��r��f,��ĵ�Ч�ʟo��M��Ҫ��,��

2.3��ɷ��Ó��g(sh��)��SDFGD��

��ɷ��Ó��g(sh��)��SDFGD��— ��ɷ��иɷ��c�񷨵�һЩ��c��ʹÓ��ڸ��B(t��i)��ڝ��B(t��i)��ˮϴ��̿��̣��ڝ��B(t��i)��Ó��ڸɠ�B(t��i)��̎��Ó��a(ch��n)��燊�F��﷨��ğ��Ó��g(sh��),��؄e��ڝ��B(t��i)��Ó��ڸɠ�B(t��i)̎��Ó��a(ch��n)��İ�ɷ�,��Ⱦ��Н�Ó�򷴑�(y��ng)�ٶȿ졢Ó��Ч�ʸߵă�(y��u)�c,��־��иɷ��o��ˮ�͏U��ų�,��Ó��a(ch��n)��̎��ă�(y��u)�c��ܵ��˂��V��P(gu��n)ע��

3 ��Y(ji��)��c

��Y(ji��)��ǟ��Y(ji��)��c��,��S�_܇�\�У��ڸߜ�?z��)��Y(ji��)��^��Юa(ch��n)��ĺ��m�U��,��Y(ji��)��Ҫ��c�ǣ�

1�� ҟ��Ӵ�,��

2�� SO2��^�ͣ��SO2��Ȳ��Ӵ�,��

3�� ضȲ��Ӵ�,��ض�һ��120~180.C��¡�

4�� ,��w�eӋ��,��ˮ�ֺ��10%��ҡ�

5�� HCL,��SOX,��NOX��HF��,��߀��Hg��ؽ��Ⱦ��,��

6�� ж��Ӣ��Ŀǰ��F�ИI(y��)�Ķ��Ӣ�ŷž��2λ,��H��ٟ��ИI(y��),��

��Y(ji��)��c�Q��˟��Y(ji��)��Ó��g(sh��)Ҫ��п��ٵ��m��(y��ng)��ɷ֡��,��ض�,��SO2��׃��ԡ��늏S��еĝ�Ó��,��CFB��ɷ�Ó��,��p�p��Լ��Ó��Ҳ��Ǻü��g(sh��),��@Щ��g(sh��)��ܺ��D(zhu��n)�Ƶ��F��Y(ji��)Ó��ϡ��磺�񷨵��O(sh��)��,��ϵ�y(t��ng)��(f��)�s,��ռ��e��,��Y(ji��)�C�F(xi��n)��]��ĵط��O(sh��)һ�ם�Ó��ϵ�y(t��ng),��]�п��g̎��Ó��a(ch��n)��ďU��,��

��Niro��˾��SDA��D(zhu��n)��F��գ��ɷ��Ó��g(sh��)��п��m��(y��ng)��ɷ�,��,��ض�,��SO2��׃��,��,��\�пɿ�,��Ͷ�Y��,��Ó��Ч�ʸߵȃ�(y��u)�c��һ�N�ǳ��m�ϟ��Y(ji��)��Ó��ļ��g(sh��),��ڵ��ı�䓏S�ɳɹ��ʹ�ð��,��1998��Ͷ��\�У�Ŀǰ�\��,��

4 SDA��ɷ��Ó��g(sh��)

SDA��Spray Drying Absorption�Ŀs��,��Ǉ��F��յ��˼��SDA�ǵ��Niro��˾�_�l(f��)��һ�N��ɷ��Ó��g(sh��),��20��o(j��)70��Niro��˾��_ʼ�Lԇʹ��SDA��ˇ��՟��е��|(zh��),��Ҵ�@�ɹ��1980��Niro��˾�ĵ�һ��SDA�b��Ͷ��늏S�\��,��(j��ng)�^20��İl(f��)չ,��F(xi��n)�ѳɞ��İ�ɷ��Ó��g(sh��)֮һ��

4.1SDA��ˇ��

SDAһ��ʹ��ʯ�ң�CaO��Մ�,��ʯ�ҽ�(j��ng)�^��Ƴ��ʯ�ҝ{Һ��Ca��OH��₂��,��^�̱��ں��m�Ĝضȣ�ʹ��ʯ�ҝ{Һ��зǳ��ߵĻ��,��ʯ�ҝ{Һͨ�^��ݔ��픲��D(zhu��n)�F��,��F��݆�ӽ�10��000rpm�ĸ��D(zhu��n)��,��{Һ��F��ɔ�(sh��)�ԃ|Ӌ��50um��F��,��

δ��(j��ng)̎��ğ៟��M��c�ʏ��A�Ե��Մ��F�ν��|,��е��Գɷ֣�HCI,��HF��SO2,��SO3��,��ͬ�r�F�ε�ˮ�ֱ��l(f��),��׃�ɸ��Ó��a(ch��n)�

�@Щ��Įa(ch��n)��ֱ�ӏ��ײ��ų�,��󲿷��S��M��ĳ��m��(n��i)��ռ�,��ͨ�^�Cе��ʽݔ�͡�̎��ĝ��ͨ�^��ŷ�,��

��(j��)��H��r,��SDAϵ�y(t��ng)߀��Բ��ò��Ó��a(ch��n)��ѭ�h(hu��n)�Ɲ{��Մ��ʡ�

5 SDA��ˇ�ڟ��Y(ji��)��Ó��еĹ�ˇ��(y��u)��

��1��Դ�,��ͬ�ğ��,��ضȺ͟��ɷ��M�п��푑�(y��ng)��SDA��ˇͨ�^��r�z�y�M,��SO2��,��M��ڟ��Ĝض�,��M�ڟ��,��ͨ�^픹޼��r�{(di��o)��rʯ�ҝ{Һ��ˮ��ѭ�h(hu��n)�{Һ��ı��푑�(y��ng)Ѹ��,��܉��m��(y��ng)��,��M�֡��ȵ�׃��,��

��2��SDA��ˇ�У��՝{Һ��F��ɔ�(sh��)ʮ�|�w��(x��)С��F�Σ�50um��,��кܴ�ıȱ��e,��SO2��(y��ng)�ܿ죬��ʸ�,��SDA��ˇ�l(f��)��—Һ��෴��(y��ng)�͚�—�̃��෴��(y��ng),��@��c��ı��C��Ó��Ч�ʡ�

��3��SDA��ˇͨ�^��ضȺ��r�g�@�ø߻��Ե��ʯ�ҝ{Һ��Ca��OH��2��,��Խ��,��ȱ��eԽ��Խ��,��ҿ��ʹ�õ��|(zh��)��ʯ��,��

��4��SDA��ˇ�У��(n��i)��։A�ԭh(hu��n)��,��Ч��ȥ��HCI,��HF��SO2,��SO3,��SO3ȥ��ʸ��_(d��)99%~100%,��

��5��SDA��ˇˮ�ĵͣ��a(ch��n)��ˮ,��ҿ��õ��|(zh��)��ˮ,��ˮ��ˮ��ˇ�Uˮ,��

��6��SDA��ˇ��Ժ��ε��O(sh��)��̼��b��,��Чȥ��Ӣ��ؽ��ٵ��Ⱦ��,�,��Է��cÓ��b��㕽ӡ�

��7��SDA��ˇ�ۉm��ȵ�,��ĥ�p�,��,��ӵ�Ó��Էǳ��׵Ĳ��Ú��ݔ�͵ķ�ʽ̎��,��

��8��SDA��ˇϵ�y(t��ng)�г��D(zhu��n)��F��M��⣬��O(sh��)��ȫ��ڇ��(n��i)��,��,��Ȳ��̼ͨ䓲��,��Ҫ��b��,��Ҫ��ټӟ�ϵ�y(t��ng)��

��9��SDA��ˇͶ�Y��,��\�м��S�o�ɱ��,��ϵ�y(t��ng)��Ρ��ײ��,��푑�(y��ng)��,��ɿ��Ըߡ�

6 �Y(ji��)Փ

��Y(ji��)�V�иߠt��F��Ҫԭ��,��F��I(y��)�a(ch��n)��SO2��ȾԴ��Ҫ�ڟ��Y(ji��)��,��ˣ��ӿ쌍ʩ��Y(ji��)��Ó��,��p��SO2,��F��I(y��)�h(hu��n)��Q��Ҫ��}��SDA��ɷ��Y(ji��)��Ó��g(sh��)Ҫ��п��ٵ��m��(y��ng)��ɷ�,��,��ضȡ�SO2��׃��ԣ��a(ch��n)��̎��,��ռ��eС,��Ͷ�Y�ͣ��\�оS�o�ɱ��,��ǳ��m�ϟ��Y(ji��)�C��Ó��,��

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