Ngwakọta nke ọkụ na-arụpụta ihe mkpofu siri ike, dị ka ala na ntụ ntụ, ma na-agbaji gas na-agbapụta ikuku. Ọtụtụ osisi achọrọ iji wepu Sox site na gas gas na-eji sistemụ gas na-emegharị emegharị (FGD). Ihe ndị ọzọ na-eduga FGD na-eji na US bụ ahịhịa mgbochi mmiri (85% nke nrụnye), akọrọ scracbing (12%). Wet scrubral na-ewepụ ihe karịrị 90% nke sox, ma e jiri ya tụnyere ahịhịa scrabs, nke na-ewepụ 80%. Nkeji edemede a na-enye teknụzụ na-eme nchọpụta maka ịgwọ ihe bụ nke mmiri na-emepụta mmiriUsoro FGD.
Mmiri fgd ntọala
Teknụlọ FGD FGD nwere na nke na-a slurry na-a slurry ngalaba na ngalaba ntọala siri ike. A na-eji ụdị ihe dị iche iche dị iche iche ejirila, gụnyere nnukwu ụlọ elu na trakị, ventiruị, na scray fribers ngalaba. The a na-ewepụ ya na alkaline slurry nke wayo, ma ọ bụ okwute. Maka ọtụtụ ebumnuche akụ na ụba, ndị ọhụrụ na-eji mgbali elu.
Mgbe a na-eme ka mgbatị ahụ na-emeghachi omume na mbelata ọnọdụ nke na-adọrọ adọrọ, ya mere 2 (akụkụ bụ isi nke Sox) A na-emegharị ọgaranya na calcium. Sistem FGD (zoro aka na oxidation oxidation ma ọ bụ gbochie sistemụ ọpụpụ) mepụtara karịa ngwaahịa calcium sọlfọ. OhuruUsoro FGDna-arụ ọrụ mixonation nke calcium sọlfọ slurry a gbanwere ka calcium sulfate (gypsum); A na-ezo aka na ndị a dị ka okwute a na-anabata nke ọma na usoro FGD.
Sistem TGSO FGD na-eji ma ọ bụrụ na ụlọikwuu ụlọ ọrụ na-emegharị emegharị na ntọala (ọgụgụ 1) ma ọ bụ ụgbọelu Bubblether. Na ọ bụla gas na-etinye aka na steurry n'okpuru ọnọdụ innoxic; Slurry mgbe ahụ gafere ihe na-eweta aerobic ma ọ bụ mpaghara mmeghachi omume, ebe a na-agbanwe sulfite na sulfate, na gypsum. Oge ejiji hydraulic na oxidation Recorson bụ ihe dị ka nkeji iri abụọ.
1. Spray contuning meriri oxidation (LSFO) FGD FGD. Na LSFO Scracbber na-agafe ihe na-agafe, ebe agbakwunye ikuku iji mee ka oxhite nke sulfate na sulfate. Ixidad a dị ka onye na-egbochi Selenite, na-ebute ihe isi ike ọgwụgwọ. Isi mmalite: Ch2M Hill
Usoro ndị a na-arụ ọrụ na-akwụsịtụ na-akwụsịtụ nke 14% ruo 18%. Ndị na-egbochi ndị siri ike na nke dị mma ma sie ike, feysh, ma tinye ya na okwute. Mgbe mkpali ruru oke ala, a na-asachasị ya. Imirikiti sistemụ LSFO FGD na-eji mebere nkewa na sistemụ dowems iche iche iche na gypsum na solids ndị purge (ọgụgụ 2).
2. FGD purge gypsum mieters. Na usoro gypsum fatịdị na-eme ka ọ dị, ma ọ bụ kewapụrụ ya, na obere obere. A na-ekewa ahụ dị mma na hydroclone site na hydroclone iji mepụta obere kristal nke nwere ike ịre ya, nke enwere ike ịmịnye ya na obere mmiri nwere oghere. Isi mmalite: Ch2M Hill
Sistemụ FGD na-eji ike ndọda ma ọ bụ dobe ọdọ mmiri maka nhazi ahụike na sistemụ na-emegharị ma ọ bụ na-eji hydroclones na valum. Mayfọdụ nwere ike iji hydrones abụọ dị na usoro iji mee ka iwepụ akụrụngwa na sistemụ doweter. Enwere ike ịlaghachi akụkụ nke hydroclone na usoro FGD iji belata ọdịda ISTewater.
A ga-amalitekwa mgbe enwere ụlọ nke chlorides na FGD slurry, ọ dị mkpa site na igbochi ihe ndị na-ewu usoro usoro FGD.
Njirimara FGD ISTewater
Ọtụtụ mgbanwe mgbanwe na-emetụta FGD Isthewater, dị ka koko na ihe mejupụtara oche, ụdị nke scrantlọ akwụkwọ gypsum eji. Cove na-enye ụtụ gas actic - dịka chlorides, na ọla, gụnyere arcunium, bolenium, Cadmium, na zinc. Ulo elu na-eme ka ígwè na aluminium (site na clay mineral) na FGD Isthewater. A na-ejikọ nkpuchi na igwe ojii na igwe ojii na-agba mmiri, na mbuze na corrosion nke bọọlụ na-eme ka eriri ígwè na-eme mkpọtụ. A na-adọba ego na-enye aka na netric, nke bụ otu n'ime ihe kpatara ya na scrabber.
Site na: Thomas E. Higgins, PHD, PHD, PHD; A. Sandy Sandy, Pu; na SalAs W. vuens, Pe.
Email: caroline@rbsic-sisic.com
Oge Post: August-04-2018