0102 ib0304 ib05
Electrostatic Precipitator Dry and Wet Fly Ash Treatment ESP System
Lub hauv paus ntsiab lus ua haujlwm ntawm electrostatic precipitator
Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm electrostatic precipitator yog siv high voltage hluav taws xob teb rau ionize lub flue gas, thiab cov plua plav them nyob rau hauv cov huab cua kwj yog cais los ntawm huab cua kwj nyob rau hauv qhov kev txiav txim ntawm hluav taws xob teb. Qhov tsis zoo electrode yog ua los ntawm cov hlau hlau nrog cov duab sib txawv thiab hu ua paug electrode.
Qhov zoo electrode yog ua los ntawm cov hlau phaj ntawm cov duab geometric sib txawv thiab hu ua plua plav collecting electrode. Kev ua haujlwm ntawm electrostatic precipitator yog cuam tshuam los ntawm peb yam, xws li cov khoom siv plua plav, cov khoom siv thiab cov pa hluav taws xob tshaj tawm. Qhov tshwj xeeb tsis kam ntawm plua plav yog qhov ntsuas los ntsuas cov hluav taws xob conductivity, uas muaj kev cuam tshuam ncaj qha rau kev ua haujlwm ntawm cov plua plav tshem tawm. Qhov tshwj xeeb tsis kam yog tsawg dhau, thiab nws nyuaj rau cov plua plav tawm kom nyob twj ywm ntawm cov plua plav khaws cov electrode, ua rau lawv rov qab mus rau cov dej ntws. Yog hais tias qhov tshwj xeeb tsis kam yog siab dhau lawm, cov plua plav particle nqi mus txog cov plua plav collecting electrode tsis yooj yim tso tawm, thiab qhov hluav taws xob gradient ntawm cov plua plav txheej yuav ua rau lub zos tawg thiab tawm. Cov xwm txheej no yuav ua rau kev ua haujlwm ntawm kev tshem tawm plua plav poob qis.
Lub hwj chim mov ntawm electrostatic precipitator yog tsim los ntawm kev tswj lub thawv, booster transformer thiab rectifier. Cov zis hluav taws xob ntawm lub zog hluav taws xob kuj tseem muaj txiaj ntsig zoo rau kev tshem tawm plua plav efficiency. Yog li ntawd, kev khiav hauj lwm voltage ntawm electrostatic precipitator yuav tsum tau khaws cia siab tshaj 40 mus rau 75kV los yog txawm 100kV.
Cov qauv yooj yim ntawm electrostatic precipitator muaj ob ntu: ib feem yog lub cev ntawm electrostatic precipitator; Lwm qhov yog cov khoom siv hluav taws xob uas muab cov hluav taws xob hluav taws xob ncaj qha tam sim no thiab tsis siv neeg hluav taws xob tsis siv neeg tswj qhov system. Lub hauv paus ntsiab lus ntawm electrostatic precipitator, high voltage fais fab mov system rau lub booster transformer fais fab mov, plua plav collector ncej hauv av. Lub tshuab hluav taws xob tsis tshua muaj hluav taws xob yog siv los tswj qhov kub ntawm lub tshuab hluav taws xob rauj, hluav taws xob hluav taws xob hluav taws xob, hluav taws xob xa hluav taws xob thiab ntau yam khoom.
Lub hauv paus ntsiab lus thiab cov qauv ntawm electrostatic precipitator
Lub hauv paus ntsiab lus ntawm electrostatic precipitator yog siv hluav taws xob los ntes cov plua plav hauv cov pa roj, feem ntau suav nrog plaub yam kev cuam tshuam ntawm lub cev: (1) ionization ntawm cov roj. (2) tus nqi ntawm hmoov av. (3) Cov plua plav them nyiaj txav mus rau ntawm electrode. (4) Kev ntes cov plua plav tawm.
Cov txheej txheem ntes cov plua plav: ntawm ob lub hlau anode thiab cathode nrog loj curvature radius sib txawv, los ntawm high voltage ncaj qha tam sim no, tuav ib tug hluav taws xob teb txaus ionize cov pa, thiab cov electrons generated tom qab roj ionization: anions thiab cations, adsorb on hmoov av los ntawm hluav taws xob teb, kom cov plua plav tau txais nqi. Nyob rau hauv qhov kev txiav txim ntawm lub zog hluav taws xob, cov plua plav nrog cov polarity sib txawv ntawm cov nqi txav mus rau lub electrode nrog cov polarity sib txawv thiab muab tso rau ntawm electrode, thiaj li ua tiav lub hom phiaj ntawm cov plua plav thiab roj sib cais.
(1) Lonization ntawm roj
Muaj tsawg tsawg ntawm cov dawb electrons thiab ions nyob rau hauv cov huab cua (100 mus rau 500 ib cubic centimeter), uas yog kaum tawm billions lub sij hawm phem tshaj cov dawb electrons ntawm conductive hlau, yog li cov huab cua yuav luag tsis yog-conductive nyob rau hauv ib txwm muaj xwm txheej. Txawm li cas los xij, thaum cov roj molecules tau txais qee lub zog, nws muaj peev xwm hais tias cov electrons hauv cov roj molecules raug cais tawm ntawm lawv tus kheej, thiab cov roj muaj cov khoom siv hluav taws xob. Thaum nyob rau hauv qhov kev txiav txim ntawm ib tug high voltage hluav taws xob teb, ib tug me me ntawm electrons nyob rau hauv cov huab cua yog ceev mus rau ib tug tej yam kinetic zog, uas yuav ua rau lub colliding atoms kom dim electrons (ionization), ua ib tug loj tus naj npawb ntawm dawb electrons thiab ions.
(2) Tus nqi ntawm plua plav
Cov plua plav yuav tsum raug them kom cais tawm ntawm cov pa roj raws li qhov kev txiav txim ntawm hluav taws xob hluav taws xob. Tus nqi ntawm plua plav thiab tus nqi hluav taws xob nws nqa yog cuam tshuam nrog qhov loj me, hluav taws xob lub zog thiab lub sijhawm nyob ntawm cov plua plav. Muaj ob hom kev siv plua plav: kev sib tsoo thiab diffusion nqi. Kev sib tsoo tus nqi hais txog qhov tsis zoo ions raug tua rau hauv ntau qhov loj dua ntawm cov hmoov av nyob rau hauv qhov kev txiav txim ntawm hluav taws xob teb quab yuam. Diffusion charge yog hais txog cov ions ua tsis zoo thermal txav thiab sib tsoo nrog plua plav kom them lawv. Nyob rau hauv cov txheej txheem particle charging, kev sib tsoo charging thiab diffusion charging muaj yuav luag ib txhij. Hauv electrostatic precipitator, tus nqi cuam tshuam yog tus nqi tseem ceeb rau cov coarse hais, thiab tus nqi diffusion yog theem nrab. Rau cov plua plav zoo nrog txoj kab uas hla tsawg dua 0.2um, tus nqi saturation ntawm kev sib tsoo tus nqi tsawg heev, thiab tus nqi diffusion suav nrog qhov loj. Rau cov plua plav uas muaj txoj kab uas hla ntawm li 1um, cov teebmeem ntawm kev sib tsoo thiab cov nqi diffusion zoo ib yam.
(3) Kev ntes cov plua plav tawm
Thaum cov plua plav raug them, cov plua plav tawm mus rau ntawm cov plua plav khaws cov ncej nyob rau hauv qhov kev txiav txim ntawm lub zog hluav taws xob, mus txog saum npoo ntawm cov plua plav sau ncej, tso tawm cov nqi thiab nyob rau saum npoo, tsim cov hmoov av txheej. Thaum kawg, txhua txhua ib zaug, cov plua plav txheej raug tshem tawm los ntawm cov plua plav sau ncej nrog cov neeg kho tshuab kev co kom ua tiav cov plua plav sau.
Lub electrostatic precipitator muaj ib lub cev desusting thiab ib lub hwj huam mov. Lub cev yog tsim los ntawm kev txhawb nqa steel, hauv qab beam, tshauv hopper, plhaub, paug electrode, plua plav sau ncej, vibration device, huab cua faib khoom, thiab lwm yam. Cov khoom siv hluav taws xob muaj cov hluav taws xob hluav taws xob siab thiab kev tswj hluav taws xob tsawg. . Lub cev ntawm lub electrostatic precipitator yog ib qho chaw kom ua tiav cov plua plav purification, thiab feem ntau siv dav yog cov kab rov tav phaj electrostatic precipitator, raws li qhia hauv daim duab:
Lub plhaub ntawm lub dedusting electrostatic precipitator yog ib feem ntawm cov txheej txheem uas kaw cov roj flue, txhawb nqa tag nrho qhov hnyav ntawm cov khoom sab hauv thiab sab nraud. Lub luag haujlwm yog coj cov roj flue los ntawm cov hluav taws xob hluav taws xob, txhawb nqa cov khoom siv vibration, thiab tsim ib qho chaw sib cais ntawm cov plua plav tawm sab nraud. Cov khoom siv ntawm lub plhaub yog nyob ntawm qhov xwm txheej ntawm cov roj flue yuav tsum tau kho, thiab cov qauv ntawm lub plhaub yuav tsum tsis tsuas yog muaj qhov nruj txaus, lub zog thiab huab cua nruj, tab sis kuj xav txog kev tiv thaiv corrosion thiab stability. Nyob rau tib lub sijhawm, huab cua nruj ntawm lub plhaub feem ntau yuav tsum muaj tsawg dua 5%.
Kev ua haujlwm ntawm cov plua plav khaws cov ncej yog khaws cov plua plav, thiab los ntawm kev cuam tshuam kev vibration mechanism, cov plua plav plua plav los yog pawg zoo li cov plua plav txuas rau lub phaj saum npoo yog tshem tawm ntawm lub phaj saum npoo thiab poob rau hauv cov hmoov tshauv hopper kom ua tiav lub hom phiaj. ntawm kev tshem tawm plua plav. Lub phaj yog cov khoom tseem ceeb ntawm electrostatic precipitator, thiab kev ua tau zoo ntawm cov plua plav collector muaj cov hauv qab no:
1) Kev faib hluav taws xob siv hluav taws xob rau ntawm lub phaj phaj yog qhov sib xws;
2) Lub deformation ntawm lub phaj cuam tshuam los ntawm qhov kub thiab txias yog me me, thiab nws muaj zog nruj;
3) Nws muaj kev ua tau zoo los tiv thaiv plua plav ya ob zaug;
4) Kev co quab yuam kis tau tus mob yog qhov zoo, thiab kev vibration acceleration tis ntawm lub phaj saum npoo yog zoo li qub, thiab cov nyhuv tu zoo;
5) flashover paug tsis yooj yim tshwm sim ntawm cov hluav taws xob tawm thiab cov hluav taws xob tawm;
6) Nyob rau hauv cov ntaub ntawv ntawm kev ua tau zoo saum toj no, qhov hnyav yuav tsum yog lub teeb.
Lub luag haujlwm ntawm cov hluav taws xob tawm hluav taws xob yog tsim kom muaj hluav taws xob ua ke nrog cov plua plav khaws cov electrode thiab tsim cov corona tam sim no. Nws muaj cov kab cathode, cathode thav duab, cathode, dai dai thiab lwm qhov chaw. Txhawm rau kom cov electrostatic precipitator ua haujlwm tau ntev, ua tau zoo thiab ruaj khov, cov khoom siv hluav taws xob yuav tsum muaj cov yam ntxwv hauv qab no:
1) Khoom thiab txhim khu kev qha, siab mechanical zog, nruam kab, tsis muaj kab poob;
2) Cov hluav taws xob ua tau zoo, cov duab thiab qhov loj ntawm cov kab cathode tuaj yeem hloov qhov loj thiab kev faib tawm ntawm corona voltage, tam sim no thiab hluav taws xob siv rau qee qhov;
3) Zoo tagnrho volt-ampere yam ntxwv nkhaus;
4) Lub zog vibration yog kis tusyees;
5) Cov qauv yooj yim, kev tsim khoom yooj yim thiab tus nqi qis.
Kev ua haujlwm ntawm cov cuab yeej vibration yog los ntxuav cov plua plav ntawm lub phaj thiab cov kab ncej kom ntseeg tau tias kev ua haujlwm ib txwm muaj ntawm electrostatic precipitator, uas tau muab faib ua anode kev co thiab cathode kev co. Cov khoom siv vibration tuaj yeem muab faib ua electromechanical, pneumatic thiab electromagnetic.
Cov khoom siv hluav taws xob xaim hluav taws xob ua rau cov roj flue rau hauv hluav taws xob sib npaug sib npaug thiab ua kom cov plua plav tshem tawm kom ua tau raws li qhov tsim nyog. Yog tias qhov kev faib tawm ntawm huab cua ntws hauv hluav taws xob tsis sib xws, nws txhais tau hais tias muaj qhov siab thiab qis qis ntawm cov pa hluav taws xob hauv hluav taws xob, thiab muaj cov vortices thiab cov ces kaum tuag hauv qee qhov chaw, uas yuav txo tau cov plua plav tshem tawm. efficiency.
Cov khoom xa tawm cua yog tsim los ntawm cov phaj faib thiab cov phaj deflector. Lub luag haujlwm ntawm lub phaj faib khoom yog cais cov huab cua loj loj nyob rau hauv pem hauv ntej ntawm cov phaj faib thiab tsim cov pa me me hauv qab ntawm cov phaj faib. Lub flue baffle yog muab faib ua flue baffle thiab ib tug faib baffle. Lub flue baffle yog siv los faib cov huab cua ntws hauv lub flue mus rau ntau qhov sib npaug sib npaug ua ntej nkag mus rau hauv electrostatic precipitator. Kev faib tawm deflector coj lub inclined cua ntws mus rau hauv cov huab cua ntws perpendicular mus rau lub phaj faib, kom cov cua ntws nkag mus rau hauv hluav taws xob teb horizontally, thiab hluav taws xob teb rau cov cua khiav yog sib npaug zos.
Cov hmoov tshauv hopper yog ib lub thawv uas khaws thiab khaws cov plua plav rau ib lub sijhawm luv luv, nyob hauv qab lub tsev thiab welded rau hauv qab beam. Nws cov duab tau muab faib ua ob hom: cone thiab zawj. Txhawm rau ua kom cov plua plav poob zoo, lub kaum sab xis ntawm cov tshauv thoob phab ntsa thiab lub dav hlau kab rov tav feem ntau tsis tsawg dua 60 °; Rau daim ntawv alkali rov qab, roj-hlwb boilers thiab lwm yam txhawb electrostatic precipitators, vim nws cov hmoov av zoo thiab viscosity loj, lub kaum sab xis ntawm cov tshauv thoob phab ntsa thiab cov kab rov tav dav hlau feem ntau tsis tsawg dua 65 °.
Cov khoom siv hluav taws xob hluav taws xob ntawm electrostatic precipitator tau muab faib ua hluav taws xob siab hluav taws xob tswj qhov system thiab tsis muaj hluav taws xob tswj qhov system. Raws li qhov xwm txheej ntawm flue roj thiab hmoov av, lub zog hluav taws xob hluav taws xob hluav taws xob siab tswj tau tuaj yeem kho qhov ua haujlwm ntawm qhov hluav taws xob electrostatic precipitator txhua lub sijhawm, kom nws tuaj yeem khaws qhov nruab nrab voltage me ntsis qis dua qhov hluav taws xob ntawm qhov hluav taws xob tawm. Nyob rau hauv txoj kev no, electrostatic precipitator yuav tau txais lub zog corona siab npaum li sai tau thiab ua tiav cov txiaj ntsig zoo tshem tawm plua plav. Tsawg voltage tswj qhov system feem ntau yog siv los ua kom tsis zoo thiab anode kev co tswj; Tshauv hopper unloading, tshauv thauj khoom tswj; Kev ruaj ntseg interlock thiab lwm yam haujlwm.
Cov yam ntxwv ntawm electrostatic precipitator
Piv nrog rau lwm cov khoom siv dedusting, electrostatic precipitator muaj tsawg zog noj thiab siab tshem plua plav efficiency. Nws yog qhov tsim nyog rau kev tshem tawm 0.01-50μm plua plav hauv cov pa roj flue, thiab tuaj yeem siv rau qee lub sijhawm nrog cov roj flue kub thiab kub siab. Kev xyaum qhia tau hais tias qhov loj dua cov roj ntim tau kho, qhov kev lag luam ntau dua kev nqis peev thiab kev ua haujlwm ntawm electrostatic precipitator.
Wide pitch kab rov tavelectrostatictechnology ntawm precipitator
HHD hom dav-pitch kab rov tav electrostatic precipitator yog kev tshawb fawb tshawb fawb los ntawm kev qhia thiab kev kawm los ntawm ntau yam thev naus laus zis, ua ke nrog cov yam ntxwv ntawm cov khoom siv hluav taws xob hauv hluav taws xob, txhawm rau hloov kho kom nruj dua cov pa roj emission thiab WTO cov qauv kev lag luam. Cov txiaj ntsig tau siv dav hauv metallurgy, hluav taws xob fais fab, cement thiab lwm yam lag luam.
Qhov zoo tshaj plaws dav dav thiab phaj tshwj xeeb configuration
Lub zog hluav taws xob thiab cov phaj tam sim no faib tau zoo dua qub, kev tsav ceev tuaj yeem nce ntxiv los ntawm 1.3 npaug, thiab qhov tshwj xeeb tsis kam ntawm cov plua plav tau nthuav dav mus rau 10 1-10 14 Ω-cm, uas yog tshwj xeeb tshaj yog haum rau kev rov qab los. ntawm siab tshwj xeeb tiv thaiv plua plav los ntawm sulfur txaj boilers, tshiab cement qhuav txoj kev rotary kilns, sintering tshuab thiab lwm yam pa gases, kom qeeb los yog tshem tawm cov anti-corona phenomenon.
Integral tshiab RS corona hlau
Qhov siab tshaj plaws ntev tuaj yeem ncav cuag 15 metres, muaj cov hlau tsis txaus, ua ke nrog cov txheej txheem kev co ua tau zoo heev. Lub corona kab ceev tau teeb tsa raws li cov plua plav concentration, kom nws tuaj yeem hloov mus rau cov plua plav sau nrog cov plua plav siab siab, thiab qhov siab tshaj plaws tso cai nkag siab tuaj yeem ncav cuag 1000g / Nm3.
Corona ncej sab saum toj muaj zog vibration
Raws li cov hmoov tshauv tu txoj kev xav, sab saum toj electrode muaj zog vibration tuaj yeem siv rau hauv kev xaiv tshuab thiab electromagnetic.
Cov ncej yin-yang dai dawb
Thaum cov pa cua kub siab dhau lawm, cov plua plav collector thiab corona ncej yuav nthuav dav thiab txuas ntxiv mus rau peb qhov kev taw qhia. Cov plua plav collector kuj tseem tsim tshwj xeeb nrog cov cua sov-resistant steel daim kab xev tuav cov qauv, uas ua rau HHD plua plav collector muaj peev xwm tiv taus cua sov. Kev lag luam kev lag luam qhia tau hais tias HHD hluav taws xob plua plav collector tuaj yeem tiv taus txog 390 ℃.
Nce vibration acceleration
Txhim kho cov nyhuv tu: Cov plua plav tshem tawm ntawm cov plua plav sau cov ncej ncaj qha cuam tshuam rau cov plua plav sau ua haujlwm, thiab feem ntau ntawm cov khoom siv hluav taws xob pom tias qhov kev ua haujlwm poob qis tom qab lub sijhawm ua haujlwm, uas feem ntau tshwm sim los ntawm cov plua plav tshem tawm tsis zoo ntawm cov khoom siv hluav taws xob. plua plav collecting phaj. HHD hluav taws xob plua plav collector siv qhov kev cuam tshuam tshiab tshaj plaws thiab cov txiaj ntsig kev coj ua los hloov cov tsoos ca steel cuam tshuam tus pas nrig rau hauv ib qho qauv hlau. Cov qauv ntawm sab vibration rauj ntawm cov plua plav sau ncej yog yooj yim, thiab rauj xaum txuas yog txo los ntawm 2/3. Qhov kev sim qhia tau hais tias qhov tsawg kawg acceleration ntawm cov plua plav sau ncej phaj yog nce los ntawm 220G mus rau 356G.
Me hneev taw, lub teeb yuag
Vim yog lub siab tshaj plaws kev co tsim ntawm lub tso tawm electrode system, thiab lub unconventional muaj tswv yim siv asymmetrical ncua kev kawm ntawv tsim rau txhua qhov hluav taws xob teb, thiab kev siv lub plhaub computer software ntawm lub US Environmental Equipment tuam txhab kom optimize tus tsim, tag nrho ntev ntawm Lub tshuab nqus plua plav hluav taws xob raug txo los ntawm 3-5 meters hauv tib qhov chaw khaws plua plav tag nrho, thiab qhov hnyav yog txo los ntawm 15%.
Kev ruaj ntseg rwb thaiv tsev system
Txhawm rau tiv thaiv kom tsis txhob muaj qhov kub thiab txias ntawm cov khoom siv hluav taws xob hluav taws xob hluav taws xob hluav taws xob hluav taws xob hluav taws xob hluav taws xob, lub plhaub tau txais cov khoom siv hluav taws xob ob lub tsev tsim hluav taws xob tsim hluav taws xob, hluav taws xob cua sov siv cov ntaub ntawv PTC thiab PTS qhov tseeb, thiab cov khoom siv hluav taws xob thim rov qab thiab tu tsim tau txais yuav. nyob rau hauv qab ntawm lub tes tsho rwb thaiv tsev, uas tag nrho tiv thaiv tsis ua hauj lwm ntawm cov dej lwg creepage ntawm lub tes tsho porcelain.
Matching LC siab system
Kev tswj hluav taws xob siab tuaj yeem tswj tau los ntawm DSC system, lub khoos phis tawj sab saud, tsis tshua muaj hluav taws xob tswj los ntawm PLC tswj, suav kov npo ua haujlwm. High voltage fais fab mov txais qhov tam sim no, siab impedance DC fais fab mov, txuam HHD hluav taws xob plua plav collector lub cev. Nws tuaj yeem tsim cov haujlwm zoo tshaj plaws ntawm kev tshem tawm plua plav tawm kom zoo, kov yeej kev ua haujlwm siab tshwj xeeb thiab tuav cov concentration siab.
Cov yam ntxwv cuam tshuam rau cov nyhuv ntawm kev tshem tawm plua plav
Kev tshem tawm cov plua plav tawm ntawm cov plua plav collector muaj feem xyuam rau ntau yam, xws li qhov kub thiab txias ntawm cov pa roj flue, tus nqi ntws, lub xeev sealing ntawm cov plua plav collector, qhov deb ntawm cov plua plav sau phaj thiab lwm yam.
1. Kub ntawm flue roj
Thaum cov roj flue kub siab dhau lawm, corona pib qhov hluav taws xob, hluav taws xob hluav taws xob kub ntawm lub corona ncej nto thiab lub txim hluav taws xob hluav taws xob tag nrho txo qis, uas cuam tshuam rau kev tshem tawm plua plav. Qhov kub ntawm cov pa roj flue tsawg dhau, uas yog ib qho yooj yim ua rau cov rwb thaiv tsev rau creepage vim condensation. Cov khoom hlau yog corroded, thiab cov roj flue tawm los ntawm cov hluav taws xob hluav taws xob hluav taws xob muaj SO2, uas yog qhov hnyav dua corrosion; Plua plav caking hauv cov tshauv hopper cuam tshuam cov hmoov tshauv tawm. Cov plua plav khib nyiab thiab corona kab raug hlawv deformed thiab tawg, thiab corona kab raug hlawv vim muaj tshauv mus ntev hauv cov tshauv hopper.
2. Ceev ntawm cov pa luam yeeb
Qhov nrawm ntawm cov pa roj ntau dhau tsis tuaj yeem siab dhau, vim tias nws yuav siv sijhawm qee lub sijhawm rau cov plua plav tso rau ntawm cov plua plav khaws cov ncej ntawm cov kob tom qab raug them hauv hluav taws xob. Yog hais tias lub flue gas cua ceev yog siab dhau lawm, cov plua plav hluav taws xob nuclear yuav raug tshem tawm ntawm huab cua yam tsis muaj kev daws teeb meem, thiab tib lub sijhawm, cov pa roj flue siab dhau heev, uas yooj yim ua rau cov plua plav uas tau tso rau hauv. cov plua plav khaws cov phaj ya ob zaug, tshwj xeeb tshaj yog thaum cov plua plav tau shaken.
3. Board Spacing
Thaum qhov kev khiav hauj lwm qhov hluav taws xob thiab qhov sib nrug thiab lub vojvoog ntawm cov xov hlau corona zoo ib yam, nce qhov sib nrug ntawm cov phiaj yuav cuam tshuam rau kev faib tawm ntawm ionic tam sim no tsim nyob rau hauv cheeb tsam ze ntawm corona xov hlau thiab ua rau muaj peev xwm sib txawv ntawm thaj chaw saum npoo, uas. yuav ua rau txo qis ntawm cov hluav taws xob siv hluav taws xob hauv cheeb tsam sab nraud corona thiab cuam tshuam rau kev tshem tawm plua plav.
4. Corona Cable sib nrug
Thaum qhov kev khiav hauj lwm voltage, corona radius thiab phaj sib nrug yog tib yam, ua kom cov kab sib nrug ntawm corona yuav ua rau kev faib tawm ntawm corona tam sim no ceev thiab hluav taws xob siv tsis sib xws. Yog tias corona kab sib nrug tsawg dua li qhov zoo tshaj plaws, qhov kev tiv thaiv kev sib nrig sib tiv thaiv hluav taws xob nyob ze ntawm kab corona yuav ua rau corona tam sim no txo.
5. Cov cua tsis sib xws
Thaum cov huab cua faib tsis sib npaug, cov plua plav sau tus nqi siab nyob rau hauv qhov chaw uas tsis tshua muaj cua tshaj tawm, cov plua plav sau tus nqi qis nyob rau hauv qhov chaw uas muaj huab cua siab, thiab cov hmoov av ntau ntxiv nyob rau hauv qhov chaw uas tsis muaj cua tshaj tawm yog tsawg. tshaj li qhov txo cov plua plav sau cov nqi hauv qhov chaw uas muaj huab cua siab tshaj plaws, thiab tag nrho cov plua plav sau ua haujlwm tau txo qis. Thiab qhov twg airflow ceev yog siab, yuav muaj ib tug scouring phenomenon, thiab cov plua plav uas tau muab tso rau ntawm cov plua plav collector board yuav raug tsa dua nyob rau hauv ntau qhov ntau.
6. Cua ntws tawm
Vim tias lub tshuab nqus plua plav hluav taws xob siv rau kev ua haujlwm tsis zoo, yog tias qhov sib koom ua ke ntawm lub plhaub tsis kaw nruj nreem, cua txias yuav tawm mus rau sab nraud, kom cua ceev los ntawm kev tshem tawm cov plua plav hluav taws xob nce, qhov kub ntawm cov roj flue yuav txo, uas. yuav hloov lub dew point ntawm flue gas, thiab cov plua plav collection efficiency txo. Yog tias cov huab cua nkag mus rau hauv cov huab cua los ntawm cov hmoov tshauv hopper los yog cov hmoov tshauv tawm, cov plua plav sau yuav raug tsim tawm thiab ya mus, kom cov plua plav sau tau zoo txo. Nws tseem yuav ua rau cov tshauv damp, ua raws li cov hmoov tshauv hopper thiab ua rau lub unloading ntawm cov tshauv tsis du, thiab tseem tsim cov tshauv thaiv. Lub xoob foob ntawm lub tsev xog paj xau mus rau hauv ib tug loj tus naj npawb ntawm kub kub tshauv, uas tsis tsuas yog zoo heev txo cov plua plav tshem tawm cov nyhuv, tab sis kuj burns tawm cov kev twb kev txuas kab ntawm ntau rwb thaiv tsev rings. Cov hmoov tshauv hopper tseem yuav khov cov hmoov tshauv vim huab cua to, thiab cov hmoov tshauv yuav tsis tawm, ua rau muaj ntau cov tshauv nyob rau hauv cov tshauv hopper.
Kev ntsuas thiab txoj hauv kev los txhim kho kev ua haujlwm ntawm kev tshem tawm plua plav
Los ntawm qhov pom ntawm cov txheej txheem tshem tawm plua plav ntawm electrostatic precipitator, kev ua haujlwm ntawm cov plua plav tshem tawm tuaj yeem txhim kho los ntawm peb theem.
Theem ib : Pib nrog cov pa luam yeeb. Hauv kev tshem tawm cov plua plav electrostatic, cov plua plav plua plav yog cuam tshuam nrog cov plua plav tus kheejtsis muaj : xws li qhov tshwj xeeb tsis kam ntawm cov plua plav, dielectric tsis tu ncua thiab ceev, roj ntws tus nqi, kub thiab av noo, voltammetry yam ntxwv ntawm hluav taws xob teb thiab lub xeev saum npoo ntawm plua plav sau ncej. Ua ntej cov plua plav nkag mus rau hauv kev tshem tawm cov plua plav electrostatic, ib qho khoom siv plua plav yog ntxiv los tshem tawm qee qhov loj thiab cov plua plav hnyav. Yog tias siv cov plua plav tshem tawm, cov plua plav dhau los ntawm lub tshuab hluav taws xob sib cais ntawm kev kub ceev, kom cov plua plav uas muaj roj spirals downward raws tus axis, lub centrifugal quab yuam yog siv los tshem tawm cov coarser particles ntawm plua plav, thiab thawj plua plav concentration. mus rau hauv hluav taws xob teb yog zoo tswj. Cov dej pos huab kuj tseem siv tau los tswj cov kev tiv thaiv tshwj xeeb thiab dielectric qhov tsis tu ncua ntawm cov plua plav, kom cov pa roj flue muaj peev xwm them nyiaj ntau dua tom qab nkag mus rau cov khoom siv plua plav. Txawm li cas los xij, nws yog ib qho tsim nyog los tswj cov dej siv kom tshem tawm cov plua plav thiab tiv thaiv condensation.
Qhov thib ob theem : Pib nrog tshuaj kho mob. Los ntawm tapping cov plua plav tshem tawm muaj peev xwm ntawm electrostatic plua plav tshem tawm nws tus kheej, qhov tsis xws luag thiab teeb meem hauv cov txheej txheem tshem tawm plua plav ntawm electrostatic plua plav collector raug daws, txhawm rau txhim kho cov plua plav tshem tawm kom zoo. Cov kev ntsuas tseem ceeb suav nrog cov hauv qab no:
(1) Txhim kho qhov tsis sib xws ntawm cov pa xa hluav taws xob tshaj tawm thiab kho cov kev tsis sib xws ntawm cov khoom siv roj.
(2) Ua tib zoo saib xyuas cov rwb thaiv tsev ntawm cov plua plav sau cov txheej txheem kom ntseeg tau cov khoom siv thiab thickness ntawm cov rwb thaiv tsev txheej. Cov txheej rwb thaiv tsev sab nraud ntawm cov khoom siv plua plav yuav cuam tshuam ncaj qha rau qhov kub ntawm cov plua plav khaws roj, vim tias qhov chaw sab nraud muaj qee qhov dej, thaum qhov kub ntawm cov pa roj qis dua li cov dej lwg, nws yuav tsim cov kua dej. Vim yog condensation, plua plav adheres rau cov plua plav sau ncej thiab corona ncej, thiab txawm co tsis tuaj yeem ua kom nws poob. Thaum cov hmoov av adhering mus txog ib qho degree, nws yuav tiv thaiv corona ncej los ntawm kev tsim corona, kom cov plua plav sau efficiency txo, thiab hluav taws xob plua plav collector tsis tuaj yeem ua haujlwm ib txwm. Tsis tas li ntawd, lub condensation yuav ua rau corrosion ntawm lub electrode system thiab lub plhaub thiab lub thoob ntawm cov plua plav collector, yog li shortening lub neej kev pab cuam.
(3) Txhim kho qhov kev sib khi ntawm cov plua plav pov tseg kom ntseeg tau tias cov pa tawm ntawm cov plua plav pov tseg tsawg dua 3%. Lub tshuab nqus plua plav hluav taws xob feem ntau ua haujlwm nyob rau hauv qhov tsis zoo, yog li yuav tsum tau them nyiaj rau kev sib khi hauv kev siv kom txo tau cov pa tawm kom ntseeg tau tias nws ua haujlwm tau zoo. Vim tias kev nkag mus ntawm cov huab cua sab nraud yuav ua rau peb qhov kev tsis zoo hauv qab no: (1) Txo qhov kub ntawm cov pa roj hauv cov khoom siv plua plav, nws muaj peev xwm tsim cov condensation, tshwj xeeb tshaj yog nyob rau lub caij ntuj no thaum kub qis, ua rau muaj teeb meem los ntawm saum toj no condensation. ② Ua kom lub zog hluav taws xob cua nrawm, kom lub sijhawm nyob ntawm cov pa roj av hauv qhov hluav taws xob luv luv, yog li txo cov plua plav sau ua haujlwm. (3) Yog tias cov pa tawm ntawm cov hmoov tshauv thiab cov hmoov tshauv tawm qhov hluav taws xob, cov pa tawm yuav ncaj qha mus rau cov plua plav uas tau txiav txim siab thiab nqa mus rau hauv cov dej ntws, ua rau cov plua plav loj thib ob, ua rau txo cov plua plav pov tseg.
(4) Raws li cov tshuaj muaj pes tsawg leeg ntawm cov roj flue, kho cov khoom siv ntawm cov phaj electrode txhawm rau txhawm rau txhawm rau txhim kho corrosion ntawm electrode phaj thiab tiv thaiv phaj corrosion, ua rau luv luv Circuit Court.
(5) Kho lub voj voog kev co thiab kev co quab yuam ntawm cov electrode los txhim kho corona lub zog thiab txo cov plua plav ya.
(6) Ua kom muaj peev xwm lossis plua plav hauv cheeb tsam ntawm electrostatic precipitator, uas yog, ua kom muaj hluav taws xob, lossis nce lossis nthuav dav hluav taws xob ntawm electrostatic precipitator.
(7) Kho hom kev tswj thiab lub hwj huam mov hom ntawm cov khoom siv fais fab. Daim ntawv thov ntawm high zaus (20 ~ 50kHz) high voltage switching fais fab mov muab ib txoj kev tshiab rau kev kho dua tshiab ntawm electrostatic precipitator. Qhov zaus ntawm high-frequency high-voltage switching power supply (SIR) yog 400 txog 1000 npaug ntawm cov pa transformer / rectifier (T / R). Cov pa hluav taws xob T / R, feem ntau nyob rau hauv cov teeb meem loj heev tsis tuaj yeem tso tawm lub zog loj. Thaum muaj qhov tshwj xeeb tiv thaiv plua plav hauv hluav taws xob thiab tsim rov qab corona, qhov hluav taws xob hluav taws xob yuav nce ntxiv, uas yuav ua rau muaj kev poob qis hauv cov zis hluav taws xob, qee zaum txawm tias poob mus rau kaum tawm MA, cuam tshuam loj heev. kev txhim kho cov plua plav collection efficiency. SIR txawv, vim tias nws cov zis voltage zaus yog 500 npaug ntawm cov khoom siv fais fab. Thaum lub txim hluav taws xob tshwm sim, nws qhov kev hloov pauv ntawm qhov hluav taws xob me me, thiab nws tuaj yeem tsim yuav luag HVDC cov zis tawm. Yog li, SIR tuaj yeem muab ntau dua tam sim no rau hluav taws xob. Kev ua haujlwm ntawm ob peb electrostatic precipitators qhia tau hais tias cov zis tam sim no ntawm General SIR yog ntau tshaj 2 npaug ntawm cov pa T / R fais fab mov, yog li qhov ua tau zoo ntawm electrostatic precipitator yuav zoo dua.
Qhov thib peb theem: pib los ntawm kev kho cov pa pa. Koj tuaj yeem ntxiv peb theem ntawm kev tshem tawm plua plav tom qab tshem tawm cov plua plav electrostatic, xws li kev siv cov ntaub hnab plua plav tshem tawm, tuaj yeem ua kom huv si tshem tawm qee qhov me me ntawm cov plua plav, txhim kho cov nyhuv purification, thiaj li ua tiav lub hom phiaj ntawm kev tsis muaj kuab paug. tso pa tawm.
Qhov no yog parGD hom electrostatic precipitator technology qhia nyob rau hauv Nyiv tus thawj electrostatic precipitator technology, los ntawm kev zom thiab nqus ntawm kev vam meej kev lag luam, tsim ib tug series ntawm GD hom electrostatic precipitator, lug siv nyob rau hauv metallurgy, smelting kev lag luam.
Ntxiv nrog rau cov yam ntxwv ntawm lwm hom electrostatic precipitators uas tsis tshua muaj kev tiv thaiv, kev siv hluav taws xob tsawg thiab kev ua haujlwm siab, GD series muaj cov ntsiab lus hauv qab no:
◆ Huab cua faib qauv ntawm cov cua nkag nrog cov qauv tsim tshwj xeeb.
◆ Muaj peb lub tshuab hluav taws xob hauv hluav taws xob (tshuaj electrode, plua plav collecting electrode, auxiliary electrode), uas tuaj yeem kho qhov polar configuration ntawm lub tshuab hluav taws xob hloov hluav taws xob hauv lub xeev, kom hloov mus rau kev kho plua plav nrog cov yam ntxwv sib txawv thiab ua tiav cov nyhuv purification.
◆ tsis zoo - zoo ncej dawb ncua kev kawm ntawv.
◆ Corona xaim: txawm tias ntev npaum li cas ntawm corona xaim, nws yog tsim los ntawm cov yeeb nkab steel, thiab tsis muaj ntsia liaj qhov rooj hauv nruab nrab, yog li tsis muaj qhov ua tsis tiav ntawm cov hlau.agraph Cov kev xav tau ntawm installation
◆ Tshawb xyuas thiab paub meej tias qhov kev lees txais hauv qab ntawm lub precipitator ua ntej kev teeb tsa. Txhim kho cov khoom ntawm electrostatic precipitator raws li qhov yuav tsum tau muaj ntawm Kev Txhim Kho cov lus qhia ntawm electrostatic precipitator thiab cov duab kos duab. Txiav txim siab lub hauv paus nruab nrab ntawm lub electrostatic precipitator raws li kev pom zoo thiab kev lees paub lub hauv paus, thiab ua lub hauv paus kev teeb tsa ntawm anode thiab cathode system.
◆ Xyuas qhov flatness, kab nrug thiab kab pheeb ces kaum yuam kev ntawm lub hauv paus dav hlau
◆ Tshawb xyuas cov khoom hauv lub plhaub, kho qhov kev thauj mus los tsis zoo, thiab nruab lawv txheej txheej los ntawm cov hauv qab mus rau sab saum toj, xws li cov pab pawg txhawb nqa - cov kab hauv qab (ntsia cov tshauv hopper thiab hluav taws xob sab hauv platform tom qab dhau qhov kev tshuaj xyuas) - kab thiab sab phab ntsa vaj huam sib luag - sab saum toj beam - inlet thiab qhov hluav taws xob (xws li faib phaj thiab trough phaj) - anode thiab cathode system - sab saum toj npog phaj - high voltage fais fab mov thiab lwm yam khoom siv. Ladders, platforms, thiab railings tuaj yeem ntsia tau los ntawm txheej txheej hauv cov txheej txheem installation. Tom qab txhua txheej tau teeb tsa, xyuas thiab sau tseg raws li qhov yuav tsum tau ua ntawm Kev Txhim Kho Cov Lus Qhia ntawm Electrostatic Dust Collector thiab cov qauv tsim: piv txwv li, tom qab kev teeb tsa ntawm flatness, kab pheeb ces kaum, kab nrug, ntsug, thiab ncej nrug, xyuas cov huab cua nruj. ntawm cov khoom siv, kho qhov vuam ntawm qhov ploj, xyuas thiab kho qhov vuam ntawm qhov ploj lawm.
Electrostatic precipitator muab faib ua: raws li cov kev taw qhia ntawm cov huab cua ntws yog muab faib ua ntsug thiab kab rov tav, raws li cov nag lossis daus hom ncej yog muab faib ua phaj thiab raj hom, raws li txoj kev tshem tawm cov plua plav ntawm cov nag lossis daus phaj yog muab faib ua kom qhuav. hom ntub dej.
Qhov no yog paragraph Feem ntau siv tau rau Hlau thiab hlau kev lag luam: siv los ntxuav cov pa roj ntawm sintering tshuab, hlau smelting rauv, cam khwb cia hlau cupola, coke cub. Coal-fired fais fab nroj tsuag: electrostatic precipitator rau ya tshauv ntawm thee-fired fais fab nroj tsuag.
Lwm yam kev lag luam: Daim ntawv thov nyob rau hauv kev lag luam cement kuj muaj ntau heev, thiab cov tshuab hluav taws xob thiab cov tshuab ziab khaub ncaws ntawm cov nroj tsuag loj thiab nruab nrab cov cement feem ntau yog nruab nrog cov khoom siv hluav taws xob. Plua plav qhov chaw xws li cement zeb thiab thee zeb tuaj yeem tswj tau los ntawm hluav taws xob plua plav collector. Electrostatic precipitators kuj tau siv dav hauv kev rov qab los ntawm cov kua qaub hauv kev lag luam chemical, kev kho cov roj flue hauv kev lag luam non-ferrous metallurgy thiab kev rov qab los ntawm cov khoom muaj nqi hlau.h
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