- Bleaching hmoov (calcium hypochlorite-raws li compound) yog ib qho khoom siv tshuaj uas tsim los ntawm kev tswj cov tshuaj chlorination ntawm txiv qaub- cov khoom siv thiab cov roj chlorine. Nws yog dav siv hauv dej tua kab mob, kev kho dej khib nyiab, kev huv huv, thiab tshuaj oxidation txheej txheem.
- Cov txheej txheem tsim khoom tsis yog ib lub tshuab ua haujlwm nkaus xwb, tab sis ua tiav cov txheej txheem suav nrog kev npaj cov khoom siv raw, tsim cov tshuaj chlorine, roj-cov tshuaj tiv thaiv, ziab, sib tsoo, kho roj, thiab ntim khoom. Txhua ntu khoom siv ncaj qha cuam tshuam rau kev ua haujlwm ntawm cov tshuaj tiv thaiv, muaj cov ntsiab lus chlorine, thiab kev nyab xeeb ntawm kev tsim khoom.
Raw Material Preparation System
- Thawj theem ntawm bleaching hmoov ntau lawm yog raw cov ntaub ntawv npaj, feem ntau koom nrog quicklime (CaO) thiab nws hloov mus rau hydrated txiv qaub (Ca(OH)₂).
- Ib tug txiv qaub slaking system yog siv los tswj cov txheej txheem hloov dua siab tshiab. Nws feem ntau suav nrog cov txiv qaub crushers, slaking tanks, hydration reactors, thiab agitation systems.
- Thaum cov txheej txheem no, quicklime reacts nrog dej los tsim ib tug nplua hydrated txiv qaub slurry los yog qhuav hmoov, nyob ntawm seb cov txheej txheem ntau lawm. Particle loj tis yog tswj vim hais tias uniform txiv qaub particles txhim kho chlorination efficiency nyob rau hauv cov theem tom ntej.
- Kev tswj cov dej noo kuj tseem ceeb heev. Cov dej ntau dhau tuaj yeem txo cov tshuaj chlorine nqus tau zoo, thaum cov khoom qhuav qhuav tuaj yeem txo cov tshuaj tiv thaiv ib puag ncig.
Chlorine Gas Production and Delivery System
Chlorine gas yog ib qho tseem ceeb reactant nyob rau hauv bleaching hmoov ntau lawm. Hauv cov txheej txheem kev lag luam, chlorine feem ntau yog tsim los ntawm electrolysis ntawm sodium chloride tov hauv chlor-alkali nroj tsuag.
chlorine ntau lawm system muaj xws li:
- Electrolytic cells rau chlorine tiam
- Gas -kua sib cais units
- Chlorine drying towers
- Compression thiab cia systems
- Flow control thiab metering devices
Vim hais tias cov tshuaj chlorine yog corrosive heev thiab muaj kuab lom, tag nrho cov kav dej thiab li qub yuav tsum tau ua los ntawm corrosion-cov ntaub ntawv tiv taus xws li PVC, FRP, los yog roj hmab- hlua steel.
Cov tshuaj chlorine ruaj khov yog qhov tseem ceeb vim tias qhov kev hloov pauv ncaj qha cuam tshuam rau cov tshuaj tiv thaiv kev ruaj ntseg thiab cov khoom zoo.
Chlorination Reactor System
Cov tshuaj chlorination reactor yog cov cuab yeej tseem ceeb hauv kev tsim cov hmoov bleaching. Qhov no yog qhov chaw qhuav slaked txiv qaub reacts nrog chlorine gas los tsim calcium hypochlorite tebchaw.
Muaj ntau ntau hom reactor siv nyob rau hauv industrial systems:
- Rotary nruas reactors
- Tsau txaj chlorination chambers
- Nruam ntws cov tshuaj tiv thaiv yees
Nyob rau hauv lub reactor, chlorine gas yog qhia thiab muab tusyees faib los ntawm cov kua qaub txheej. Kev sib hloov tshuab lossis kev sib xyaw ua ke ua kom muaj kev sib cuag tag nrho ntawm cov pa thiab cov khoom siv.
Cov tshuaj tiv thaiv xws li qhov kub thiab txias, roj concentration, thiab lub sijhawm nyob hauv yuav tsum tau ua tib zoo tswj. Cov cua kub ntau tuaj yeem txo cov tshuaj chlorine siv tau zoo thiab cuam tshuam rau cov khoom lag luam zaum kawg.
Gas Distribution thiab Flow Control System
Uniform faib cov roj chlorine yog qhov tseem ceeb rau kev ua haujlwm ruaj khov.
Gas Distribution system muaj xws li:
- Flow meters
- Siab regulators
- Distribution manifolds
- Gas txhaj nozzles
Cov Cheebtsam no xyuas kom meej tias cov roj chlorine sib npaug sib npaug rau hauv lub reactor, tsis txhob muaj kev cuam tshuam hauv cheeb tsam lossis cov cheeb tsam tsis zoo.
Kev tswj xyuas qhov tseeb kuj tseem txo cov chlorine pov tseg thiab txhim kho kev hloov dua siab tshiab.
Chlorine Absorption thiab Tail Gas Treatment System
- Tsis yog tag nrho cov tshuaj chlorine tau noj thaum lub sijhawm ua tshuaj tiv thaiv. Cov tshuaj chlorine residual yuav tsum tau kho kom tiv thaiv ib puag ncig emission thiab txhim kho qhov system efficiency.
- Kev kho cov roj av tau raug teeb tsa, uas feem ntau suav nrog alkaline scrubbers lossis nqus tsev.
- Hauv cov tshuab no, cov tshuaj chlorine residual reacts nrog cov tshuaj alkaline, hloov cov pa phem rau hauv cov ntsev ruaj khov. Cov kauj ruam no pab tswj cov qib emissions thiab txhim kho kev nyab xeeb ntawm chaw ua haujlwm.
- Cov cuab yeej ntsuas roj kuj tseem siv los ntsuas cov tshuaj chlorine hauv cov kwj deg.
Tshuab ziab khaub ncaws rau cov khoom ruaj khov
Tom qab chlorination, cov khoom nruab nrab muaj cov dej noo thiab yuav tsum tau qhuav kom ua tiav cov khoom siv tshuaj ruaj khov.
Cov cuab yeej ua kom qhuav muaj xws li:
- Rotary tshuab ziab khaub ncaws
- Fluidized txaj dryers
- Kub cua tshuab ziab khaub ncaws
Kev ziab kub yuav tsum tau ua tib zoo tswj vim tias kub dhau tuaj yeem ua rau decomposition ntawm active tshuaj chlorine.
Kev ziab kom zoo kom ruaj khov muaj cov ntsiab lus chlorine thiab txhim kho kev cia khoom ntawm cov khoom kawg.
Sib tsoo thiab Particle Loj Tswj System
Tom qab ziab, cov khoom yuav tsim cov aggregates uas yuav tsum tau tawg mus rau hauv cov khoom sib xws.
Sib tsoo cov cuab yeej xws li pulverizers thiab milling tshuab yog siv los ua kom tau raws li kev tswj cov khoom loj.
Particle loj cuam tshuam:
- Dissolution tus nqi
- Reactivity nyob rau hauv daim ntawv thov kev kho dej
- Cia ruaj khov
Uniform particle faib ua kom cov khoom zoo ib yam thaum siv.
Dust Collection thiab Environmental Control System
Kev tsim cov hmoov bleaching ua rau cov hmoov av zoo thiab cov tshuaj chlorine emissions, yuav tsum muaj kev tswj hwm ib puag ncig zoo.
Cov khoom siv pov tseg plua plav muaj xws li:
- Hnab lim tshuab
- Cyclone separators
- Conveying systems nyob ib puag ncig
Cov tshuab no tiv thaiv hmoov dispersion thaum lub sij hawm sib tsoo, conveying, thiab ntim theem.
Tsis tas li ntawd, cov tshuab ua kom huv hauv huab cua raug teeb tsa los tswj cov tshuaj chlorine seem hauv qhov chaw ua haujlwm, ua kom muaj kev nyab xeeb ntawm kev ua haujlwm.
Cia thiab ntim System
Cov bleaching tiav lawm yuav tsum tau tiv thaiv los ntawm ya raws thiab huab cua raug vim nws yog chemically rhiab heev.
Cov tshuab khaws cia feem ntau suav nrog cov silos kaw lossis corrosion-cov thawv uas tiv taus nrog cov qauv tsim kev ya raws.
Cov khoom siv ntim khoom muaj xws li:
- Tsis siv neeg ntsuas tshuab
- Cov tshuab filling
- Thaum tshav kub kub- ntim cov hnab ntim cov hnab ntim tau kaw lossis laminated
Ntim yuav tsum xyuas kom muaj airtight sealing kom tsis txhob decomposition thiab tswj cov ntsiab lus chlorine thaum thauj thiab khaws cia.
Kev xaiv cov khoom siv rau cov khoom siv
Vim tias cov tshuaj chlorine thiab cov tshuaj dawb huv yog cov corrosive heev, cov khoom siv xaiv cov khoom siv yog qhov tseem ceeb hauv engineering.
Cov ntaub ntawv uas muaj xws li:
- FRP (fiber reinforced yas)
- PVC thiab CPVC piping systems
- Roj hmab-kab steel hlab
- Titanium los yog alloy Cheebtsam nyob rau hauv siab corrosion zones
Kev xaiv cov khoom siv ncaj qha cuam tshuam rau cov cuab yeej siv lub neej, kev saib xyuas zaus, thiab kev nyab xeeb ntawm kev ua haujlwm.
Kev Nyab Xeeb Saib Xyuas thiab Automation Control System
Bleaching hmoov ntau lawm suav nrog kev tuav cov roj toxic thiab exothermic cov tshuaj tiv thaiv, ua rau kev tswj hwm kev nyab xeeb tseem ceeb.
Cov tshuab no suav nrog:
- Chlorine gas to detectors
- Cov tshuab cua kub ceev
- Cov cuab yeej siv siab
- Kub ntsuas kub sensors
- Automated txheej txheem tswj (PLC / DCS)
Automation tswj xyuas kom ruaj khov ua haujlwm los ntawm kev tswj cov roj ntws, qhov ntsuas kub ntawm lub tshuab hluav taws xob, thiab lub zog siab hauv lub sijhawm.
