Mehaho ea mashala ka mehahong ea matla ea matla e hlahisa litšila tse tiileng, tse joalo ka molora le khase e tsoang ho sepakapakeng. Limela tse ngata li hlokahala ho tlosa sehokelo sa SOX ho tsoa ho glue khase e sebelisa li-tos dessilfurization (FGD) System. Lihlopheng tse tharo tse etellang pele tsa FGD tse sebelisitsoeng ho US ke metsi a mangata a ho kenya (85% ea lits'ila (tse 12), le ente e omileng ea masene (3%). Liraka tse ngata li nka tse fetang 90% tsa Sox, ha li bapisoa le liqhetsoana tse omeletseng, tse nosang 80%. Sengoliloeng sena se fana ka Technology ea Art-A-Art ea ho phekola metsi a litšila a hlahisoang ke metsiSisteme ea FGD.
Metsi a Fgd Fgd
Methapo ea FGD ea FGD e atile ka karolo e tloaelehileng ea deductor le karolo ea solith e bolaeang. Mefuta e fapa-fapaneng ea ho aballoa e sebelisitsoe, ho kenyelletsa le litora tse pakiloeng le tse teang, le ho fafatsa likubu tsa factor. Ho aballa ho khelosa li-has tsa acidic ka slurry ea alkanyone ea lime, sodium hydroxide, kapa kalaka. Bakeng sa mabaka a mangata a moruo, li-scrubus tse ncha li tloaetse ho sebelisa li-lemestone li-callstone.
Ha li-lecy li thusa ka sox maemong a fokotsehang a ABSOCorber, kahoo karolo e kholo ea Sox) e ruuoa ka serethe, 'me seruru se sentsoeng ke somunum. Li-systems tsa FGD ea pejana (tse boletsoeng e le oxidation ea tlhaho kapa e thibetsoeng ho etsa lihlahisoa tsa khoele ea calcium sulfimu. NewerSisteme ea FGDsebelisa factor ea oxida eo slurry ea calcium e fetotsoeng ho calcium sulfate (gypsum); Tsena li bitsoa limemane tsa limo tsa linate (LSFE) FGD Sistimi ea FGD.
Tloaelehileng ea sejoale-joale sa sejoale-joale sa lfd se sebelisoang ka ho fetisisa sescoorber se nang le sehokelo sa oxidation se kopaneng (Setšoantšo sa 1) kapa sistimi ea jet bubbler. Ka 'ngoe ka' ngoe khase e kenelletsoa ka seluma se bobebe sa maemo a ho kokobela; Ho thella hona joale ho feta ho setsebi sa boitšoaro sa aerobic kapa sebakeng sa maiketsetso, moo sulfite e fetoloang ho sulfate, le tsa gypsum pricumites. Boikemisetso ba Hydraulic bosholu ba Hydraulic bo-ramolao a oxidation bo ka bang metsotso e 20.
1. Froiki Colomm limmone e qobelloang bastone e qobelloang (lsfo) systeme. Ho skrubber sprubber slurry e fetisetsa boqapi, moo moea o eketsoang ho qobella sulfite ho ea sulfate. Ho bonahala eka o axidation ena e tukela Selone ho ea Selenate, e bakang mathata a kalafo hamorao. Mohloli: Ch2m Hill
Litsamaiso tsena hangata li sebetsa ka li-solds tse emisitsoeng tsa 14% ho 18%. Lifofane tse emisitsoeng li na le li-gypsum tse ntle le tse nang le mafura, ho fofa moloi le linepe tse kentsoeng ka lejoe le lej. Ha li-solids li fihla moeling o kaholimo, slurry e hloekile. Boholo ba li-lgd tsa lgd li sebelisa litsamaiso tsa karohano le litsamaiso tsa ho senya gypsum le liliba tse ling ho tsoa metsing a potge (Setšoantšo sa 2).
2. FGD e putlama ea gypsum e fokolisang. Ka tsela e tloaelehileng ea gypsum ea sistimi e phehiloeng, kapa e arotsoe, ho kena ka likarolong tse ntle le tse ntle. Likarolo tse ntle li aroloa haholo ho hydronenkene ho hlahisa likriti tse kholo tsa Gypsum haholo tse ka tlosoang ka sistimi e tlase ea li-vacuum. Mohloli: Ch2m Hill
Litsamaiso tse ling tsa FGD li sebelisa litsamaiso tsa khoheli kapa li-pokello tsa litlolo tsa sefofane kapa li-centerifuging tse sa sebetseng hantle, empa litsamaiso tse ncha li sebelisa hydroclone le mabanta a matala. Ba bang ba ka sebelisa li-hydroclone tse peli ho letoto ho eketsa ho tlosoa ho sistimi ea metsi. Karolo ea hydrolone e phatsimang e ka khutlisetsoa tsamaisong ea FGD ho fokotsa phallo e senyang ea metsi.
Ho itlhatsoa le hona ho ka qalisoa ha ho e-na le ho aha li-clorry ka swurry, e netefatsoang ke ho hanyetsa thepa ea kaho ea FGD.
Litšobotsi tsa lipalesa tsa FGD ea FGD
Lintho tse ngata tse fapaneng li ama sebopeho sa litšila tse lebetsoeng tse litšila, tse kang maspone le li-syrubber, mofuta oa scrubber, le sistimi ea Gypsum e sebelisitsoe. Mashala a fana ka likhase tse amidc - joalo ka li-clorides, tsa sulfate, tse kenyelletsang arnium, tsa boron, cadmium le zinki. Lejoe le chabela tšepe le aluminium (ho tsoa ho liminerale tsa letsopa) ho metsi a litšila a FGD. Hangata lesapo la maoto a ka a hahuoa ka har'a sehlopha sa maoto a metsi, le khoholeho le boea ba liboka li kenya letsoho tšepe ho tsoa lehloeng lejoe le lehloa le lehloa le matla. Li-clays li tloaetse ho kenya letsoho metlae ea kahare, e leng eona ea mabaka a litšila a qhekelloang ho tsoa skrubber.
Ho tloha ho: Thomas E. hapiggin, PhD, Pe; A. Thomas Sandy, Pe; le Silase w. e fana ka
Email: caroline@rbsic-sisic.com
Nako ea poso: Aug-04-2018