Cov cuab yeej siv tshuaj niaj hnub no cuam tshuam nrog kev sib tsoo, crushing, kev thauj mus los ntawm ntau yam ntaub ntawv. Qee tus ntawm lawv tig mus rau hauv daim ntawv aerosol thaum lub sijhawm ua haujlwm, cov plua plav tshwm sim, ua ke nrog cov cua thiab cov txheej txheem gases, nkag mus rau hauv qhov chaw. Xav txog cov hauv paus ntawm cov cuab yeej siv tshuaj lom neeg tam sim no siv hauv kev tsim khoom.
Plua plav tu apparatus rau gaseous tshuaj
Cov plua plav plua plav muaj tag nrho qhov chaw siab, vim tias lawv nthuav tawm cov khoom siv roj ntsha thiab tshuaj lom neeg ntxiv. Qee cov tshuaj uas nyob rau hauv daim ntawv aerodispersed muaj cov khoom tshiab, piv txwv li, lawv muaj peev xwm ua rau tawg. Muaj ntau yam cuab yeej siv tshuaj siv los ua kom huv cov tshuaj gaseous tsim los ntawm cov hmoov av ntawm ntau qhov ntau thiab tsawg.
Txawm hais tias muaj qhov sib txawv tseem ceeb hauv kev tsim, lub hauv paus ntsiab lus ntawm lawv txoj haujlwm yog raws li qhov ncua sij hawm ntawm qhov hnyav.
Cyclone thiab chaw teeb tsa
Kev tshuaj xyuas ntau yam txheej txheem thiab cov cuab yeej siv tshuaj lom neeg, cia peb tsom mus rau pab pawgCov khoom siv plua plav, uas suav nrog:
- rotary plua plav collectors;
- cyclones;
- shutter qauv;
- dust collection chambers.
Ntawm qhov zoo ntawm cov khoom siv zoo li no, peb nco ntsoov qhov yooj yim ntawm lawv cov qauv tsim, vim lawv tau tsim los ntawm cov tuam txhab tsis tshwj xeeb.
Raws li qhov rho tawm ntawm cov khoom siv no, cov kws tshaj lij sau tseg tias tsis muaj kev ua haujlwm zoo, qhov xav tau rov ua dua tshiab. Txhua hom plua plav collectors ua haujlwm raws li lub zog centrifugal, sib txawv ntawm lub zog thiab nrawm ntawm kev tso cov hmoov av.
Piv txwv li, cov cuab yeej siv tshuaj lom neeg classic rau kev tsim cov sulfuric acid suav nrog kev siv cua daj cua dub kom tshem tawm cov impurities ntawm lub cub tawg tsim thaum lub sij hawm ci ntawm pyrite. Cov pa roj, uas muaj cov khoom ntawm cinder (sib xyaw hlau oxide), nkag mus rau hauv cua daj cua dub los ntawm qhov tshwj xeeb tangential nozzle, ces tig mus rau sab hauv phab ntsa ntawm lub cuab yeej. Kev sib sau thiab sedimentation ntawm cov plua plav yog nqa tawm hauv cov plua plav hauv av, thiab cov pa roj purified nce, mus rau lub cuab yeej tom ntej los ntawm cov yeeb nkab hauv nruab nrab.
Tshuaj lom neeg muaj feem cuam tshuam nrog kev siv cua daj cua dub nyob rau hauv cov xwm txheej uas xav tau siab tsis tau muab tso rau tom ntej rau cov khoom siv roj ntsha.
ntub cov tshuab ntxhua khaub ncaws
Txoj kev ntub dej hauv kev tsim khoom niaj hnub yog suav tias yog ib qho ntawm cov txiaj ntsig zoo tshaj plaws thiab yooj yim ntawm kev ua kom huv ntawm cov roj av los ntawm ntau yam ntawm cov khoom raug tshem tawm. Cov txheej txheem thiab cov cuab yeej siv tshuaj lom neeg muaj feem xyuam nrogntub tu ntawm gases, tam sim no nyob rau hauv kev thov tsis tsuas yog nyob rau hauv domestic, tab sis kuj nyob rau hauv txawv teb chaws kev lag luam. Ntxiv nrog rau cov khoom raug tshem tawm, lawv tuaj yeem ntes cov khoom siv roj thiab vaporous uas txo cov khoom zoo.
Muaj kev faib cov khoom siv li no rau hauv cov khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob khoob.
Lub disintegrator muaj ib lub rotor thiab stator nruab nrog tshwj xeeb qhia vanes. Cov kua yog pub rau hauv lub rotor rotor los ntawm nozzles. Vim tias cov roj ntws txav ntawm cov stator thiab rotor rings, nws raug crushed rau hauv nyias tee, vim hais tias ntawm kev sib cuag ntawm gases nrog rau cov khoom daig ntawm cov kua nce. Vim yog lub zog centrifugal, cov plua plav pov tseg rau ntawm phab ntsa ntawm lub cuab yeej, ces tshem tawm ntawm nws, thiab cov khoom siv roj lim tau nkag mus rau hauv lub cuab yeej tom ntej, lossis raug tso tawm rau hauv huab cua.
Porous filters
Ntau zaus, cov cuab yeej siv tshuaj lom neeg cuam tshuam nrog kev pom cov khoom los ntawm cov khoom tshwj xeeb porous partitions. Txoj kev no suav nrog kev ua kom huv huv los ntawm ntau yam ntawm cov khoom raug tshem tawm, yog li cov ntxaij lim dej ntxeem tau xav tau hauv kev lag luam tshuaj.
Lawv qhov tsis zoo tseem ceeb yog qhov xav tau rau kev hloov pauv cov khoom lim dej, nrog rau qhov loj ntawm cov khoom siv.
Cov lim dej hauv kev lag luam tau muab faib ua granular thiab cov chav kawm ntaub. Lawv yog tsim los purify industrial gaseous tshuaj nrog siablub concentration ntawm dispersed theem. Txhawm rau ua kom tshem tawm ib ntus ntawm cov khoom sib xyaw, cov khoom siv tshwj xeeb regenerating raug ntsia rau hauv lub cuab yeej.
Ntawm roj refining
Cov thev naus laus zis zoo uas cuam tshuam nrog kev ua kom huv ntawm cov khoom siv roj los ntawm cov tshuab impurities thiab cov av noo siab yog raws li cov txheej txheem pom tseeb.
Ntawm cov txheej txheem thiab cov cuab yeej siv tam sim no hauv kev lag luam petrochemical, muaj kev pom los ntawm coalescing partitions, ultrasound. Nrog kev pab los ntawm centrifugal separators, coalescent lim, teeb tsa lub tshuab, ua ntej purification theem yog nqa tawm.
Yuav kom ua tiav txoj kev ua kom huv huv ntawm cov khoom siv roj av, cov khoom siv hluav taws xob ntxeem tau tam sim no siv los ua cov khoom siv lim.
Lawv tau ua pov thawj lawv cov kev ua tau zoo, lub zog, kev ntseeg tau, yog li lawv tau siv ntau dua hauv kev siv tshuaj lom neeg.
Electric filters
Cov txheej txheem tshuaj nyob rau hauv sulfuric acid ntau lawm tshuab yuav tsum tau siv cov cuab yeej tshwj xeeb no. Kev ua haujlwm tu hauv lawv yog los ntawm 90 txog 99.9 feem pua. Electrostatic precipitators muaj peev xwm ntes cov kua thiab cov khoom ntawm ntau qhov ntau thiab tsawg, cov cuab yeej ua haujlwm hauv qhov kub ntawm 400-5000 degrees Celsius.
Vim lawv cov nqi khiav lag luam qis, cov khoom siv no tau txais txiaj ntsig tseem ceeb hauv kev lag luam tshuaj niaj hnub.ntau lawm. Ntawm qhov tsis zoo ntawm cov cuab yeej zoo li no, peb qhia txog cov nqi pib tseem ceeb rau lawv txoj kev tsim kho, nrog rau kev xav tau los faib qhov chaw loj rau kev teeb tsa.
Los ntawm qhov kev xav ntawm kev lag luam, nws raug nquahu kom siv lawv thaum ntxuav cov ntim tseem ceeb, txwv tsis pub siv cov electrostatic precipitators yuav yog ib qho txiaj ntsig.
Sib cuag tshuab
Kev siv tshuaj lom neeg thiab tshuaj lom neeg suav nrog kev siv ntau yam khoom siv thiab khoom siv. Xws li ib tug invention raws li ib tug hu apparatus yog npaj rau kev siv cov txheej txheem catalytic. Ib qho piv txwv yog cov tshuaj tiv thaiv oxidation ntawm sulfur oxide (4) rau sulfur dioxide, uas yog ib qho ntawm cov theem hauv kev tsim cov sulfuric acid.
Ua tsaug rau lub xyoo radial-kauv, cov roj tau dhau los ntawm ib txheej nrog cov catalyst nyob rau ntawm cov baffles tshwj xeeb. Ua tsaug rau cov cuab yeej tiv tauj, kev ua haujlwm ntawm catalytic oxidation yog nce ntxiv, thiab kev saib xyuas ntawm cov cuab yeej yooj yim.
Lub pob tawb tshwj xeeb tshem tau nrog txheej tiv thaiv ntawm cov khoom siv ua kom nws yooj yim los hloov nws.
Kiln
Cov cuab yeej no yog siv los tsim cov sulfuric acid los ntawm cov hlau pyrites. Cov tshuaj tiv thaiv kab mob tshwm sim ntawm qhov kub ntawm 700 ° C. Ua tsaug rau lub hauv paus ntsiab lus ntawm countercurrent, uas muaj xws li cov pa oxygen thiab hlau pyrite nyob rau hauv opposite lus qhia, ib tug thiaj li hu ua fluidized txaj yog tsim. Lub ntsiab lus yog qhov haisCov zaub mov sib npaug sib npaug thoob plaws hauv lub ntim ntawm cov pa, uas lav tau qhov zoo ntawm cov txheej txheem oxidation.
Tom qab ua tiav ntawm cov txheej txheem oxidation, qhov tshwm sim "cinder" (hlau oxide) nkag mus rau qhov tshwj xeeb hopper, uas nws raug tshem tawm ib ntus. Cov roj ua rau lub cub tawg (sulfur oxide 4) raug xa mus rau desusting thiab ces qhuav.
Cov khoom siv niaj hnub siv hauv kev tsim tshuaj lom neeg tuaj yeem txo qhov poob ntawm cov khoom siv tshuaj tiv thaiv thaum nce qhov zoo ntawm cov khoom siv hluav taws xob.
Yuav kom ceev cov txheej txheem ntawm pyrite oxidation nyob rau hauv lub kiln, nyob rau hauv zus tau tej cov sulfuric acid, cov feedstock yog pre-crushed.
Ntxig qhov cub
Cov reactors no suav nrog cov tshuab hluav taws xob tawg, uas tsim lub hauv paus ntawm ferrous metallurgy. Cov sib tov nkag mus rau hauv lub cub tawg, tiv tauj nrog oxygen nkag los ntawm qhov tshwj xeeb, thiab tom qab ntawd cov hlau cam khwb cia yog txias.
Ntau qhov kev hloov kho ntawm cov khoom siv no tau pom lawv daim ntawv thov hauv kev ua cov hlau tsis yog hlau xwb, tab sis kuj yog tooj liab ores, thiab kev ua cov calcium compounds.
Zoo kawg
Nws nyuaj rau xav txog lub neej tag nrho ntawm tus neeg niaj hnub no yam tsis siv cov khoom siv tshuaj lom neeg. Kev lag luam tshuaj lom neeg, dhau los, tsis tuaj yeem ua haujlwm tag nrho yam tsis muaj kev siv tshuab siv tshuab thiab tshuab, siv cov cuab yeej tshwj xeeb. Tam sim no, kev tsim tshuaj lom neeg yog ib qho nyuaj ntawm cov cuab yeej thiab cov tshuab uas tsim los rau cov tshuaj-lub cev thiab tshuajcov txheej txheem, automated khoom rau ntim thiab thauj cov khoom tiav.
Ntawm cov tshuab tseem ceeb thiab cov khoom siv hauv kev thov hauv kev tsim khoom, muaj cov uas tso cai rau koj los ua kom qhov chaw ua haujlwm ntawm cov txheej txheem, ua kom pom kev zoo, tag nrho cov cua sov hloov pauv, nce cov txiaj ntsig ntawm cov khoom siv tshuaj tiv thaiv, thiab txo nqi zog.
