Dab tsi yog Electrostatic Precipitator?

Kev lag luam yog ib feem tseem ceeb ntawm peb txoj kev lag luam, thiab ntau tus ntseeg tias nws yog lawv txoj cai los tso rau hauv lub Hoobkas cov khoom siv hluav taws xob uas choke li huab cua. Tab sis tsis muaj coob leej paub tias technology muaj kev daws teeb meem zoo rau qhov no rau ntau tshaj ib puas xyoo nyob rau hauv cov duab ntawm electrostatic precipitators. Cov no txo ​​cov pa phem thiab pab txhim kho ib puag ncig.

Dab tsi yog Electrostatic Precipitator?

Ib qho electrostatic precipitator (ESP) txhais tau tias yog cov khoom siv lim dej uas siv los tshem tawm cov khoom zoo li cov pa taws thiab cov plua plav zoo los ntawm cov pa ntws. Nws yog cov khoom siv feem ntau siv rau kev tswj huab cua. Lawv siv nyob rau hauv kev lag luam xws li cov nroj tsuag steel, thiab thermal zog nroj tsuag.

Nyob rau hauv 1907, chemistry professor Frederick Gardner Cottrell patented thawj electrostatic precipitator siv los sau sulfuric acid pos huab thiab lead oxide fumes emitted los ntawm ntau yam kua qaub-ua thiab smelting dej.

electrostatic precipitator daim duab

Txoj Cai Ua Haujlwm ntawm Electrostatic Precipitator

Lub hauv paus ntsiab lus ua haujlwm ntawm electrostatic precipitator yog qhov yooj yim me ntsis. Nws muaj ob pawg ntawm electrodes: zoo thiab tsis zoo. Cov electrodes tsis zoo yog nyob rau hauv daim ntawv ntawm ib tug hlau mesh, thiab zoo electrodes yog daim hlau. Cov electrodes no tau muab tso rau hauv vertically thiab hloov mus rau ib leeg.

Kev ua haujlwm ntawm electrostatic precipitator

Cov pa roj uas muaj cov khoom xws li tshauv yog ionised los ntawm cov hluav taws xob hluav taws xob tawm hluav taws xob los ntawm cov nyhuv corona. Cov khoom no yog ionised mus rau ib tug tsis zoo nqi thiab yog attracted rau zoo charged collector daim hlau.

Qhov tsis zoo lub davhlau ya nyob twg ntawm lub siab voltage DC qhov chaw yog siv los txuas rau qhov tsis zoo electrodes, thiab qhov zoo ntawm qhov chaw nres nkoj DC yog siv los txuas cov phaj zoo. Txhawm rau ionize qhov nruab nrab ntawm qhov tsis zoo thiab qhov zoo electrode, ib qho kev ncua deb yog khaws cia ntawm qhov zoo, tsis zoo electrode thiab DC qhov uas ua rau muaj qhov hluav taws xob siab.

Qhov nruab nrab uas siv nruab nrab ntawm ob lub electrodes yog huab cua. Tej zaum yuav muaj corona tso tawm ib ncig ntawm cov electrode rods los yog cov hlau mesh vim yog qhov tsis zoo ntawm cov nqi tsis zoo. Tag nrho cov txheej txheem yog kaw rau hauv lub thawv hlau uas muaj qhov nkag rau cov pa taws thiab qhov hluav taws xob rau cov roj lim. Muaj ntau cov electrons dawb li cov electrodes yog ionized, uas cuam tshuam nrog cov hmoov av ntawm cov pa, ua rau lawv tsis zoo. Cov khoom no txav mus rau qhov zoo electrodes thiab poob tawm vimgravitational quab yuam. Cov pa roj flue yog dawb los ntawm cov hmoov av raws li nws ntws los ntawm electrostatic precipitator thiab tawm mus rau qhov chaw los ntawm lub chimney.

Hom Electrostatic Precipitator

Muaj ntau hom electrostatic sib txawv, thiab ntawm no, peb yuav kawm txhua tus ntawm lawv kom meej. Hauv qab no yog peb hom ESPs:

Plate precipitator: Qhov no yog hom precipitator yooj yim tshaj plaws uas muaj cov kab ntawm cov kab nyias ntsug thiab pawg ntawm vertically npaj cov hlau tiaj tiaj loj uas muab tso rau ntawm qhov deb ntawm 1cm txog 18cm sib nrug. Cov kwj deg huab cua yog hla kab rov tav los ntawm daim phiaj ntsug thiab tom qab ntawd los ntawm pawg loj ntawm daim hlau. Txhawm rau ionize cov khoom, ib qho hluav taws xob tsis zoo yog siv ntawm cov hlau thiab phaj. Cov khoom ionized no tau hloov mus rau hauv daim phiaj hauv av uas siv electrostatic quab yuam. Raws li cov khoom tau sau rau ntawm daim ntawv sau, lawv raug tshem tawm ntawm cov dej ntws.

Qhuav electrostatic precipitator: Lub precipitator no yog siv los sau cov pa phem xws li tshauv lossis cement hauv lub xeev qhuav. Nws muaj cov electrodes los ntawm qhov uas cov ionized hais yog ua kom ntws los ntawm thiab ib tug hopper los ntawm cov khoom uas tau muab rho tawm. Cov hmoov av yog sau los ntawm cov kwj ntawm huab cua los ntawm hammering cov electrodes.

Qhuav electrostatic precipitator

Electrostatic precipitator ntub dej: Lub precipitator no yog siv los tshem cov resin, roj, tar, xim uas ntub dej. Nws muaj cov khoom siv uas txuas ntxiv txau nrog dej ua cov khoom sib sau ntawm ionized los ntawm cov sludge. Lawv muaj txiaj ntsig zoo dua li ESPs qhuav.

Tubular precipitator: Lub precipitator no yog ib-theem chav tsev uas muaj cov raj uas muaj hluav taws xob hluav taws xob hluav taws xob uas tau teem rau tib lub sijhawm uas lawv khiav ntawm lawv cov axis. Kev npaj ntawm cov hlab ntsha tuaj yeem yog lub voj voog lossis square lossis hexagonal honeycomb nrog cov roj ntws los ntawm sab saud lossis qis. Cov pa roj yog tsim kom dhau los ntawm tag nrho cov raj. Lawv pom cov ntawv thov uas yuav tsum tau muab tshem tawm.

Qhov zoo thiab qhov tsis zoo

Qhov zoo ntawm electrostatic precipitator:

Lub durability ntawm ESP yog siab.

Nws tuaj yeem siv rau kev sau ntawm ob qho tib si qhuav thiab ntub impurities.

Nws muaj cov nqi khiav haujlwm tsawg.

Kev sau ua haujlwm ntawm cov cuab yeej yog siab txawm tias cov khoom me me.

Nws tuaj yeem tuav cov roj ntim loj thiab cov plua plav hnyav hnyav ntawm qhov tsis tshua muaj siab.

Disadvantages ntawm electrostatic precipitator:

Tsis tuaj yeem siv rau cov pa roj carbon monoxide.

Qhov yuav tsum tau muaj ntau dua.

Peev peev yog siab.

Tsis hloov pauv hloov hauv kev ua haujlwm.

Electrostatic Precipitator Applications

Qee qhov tseem ceeb ntawm cov ntawv thov electrostatic precipitator tau teev tseg hauv qab no:

Ob-theem phaj ESPs yog siv nyob rau hauv lub cav chav tsev ntawm shipboard raws li lub gearbox tsim explosive roj pos huab. Cov roj sau tau rov qab siv dua hauv lub iav lubricating system.

Qhuav ESPs yog siv rau hauv cov nroj tsuag thermal los ntxuav cov huab cua hauv qhov cua thiab cua txias.

Lawv pom cov ntawv thov hauv kev kho mob rau kev tshem tawm cov kab mob thiab cov fungus.

Lawv yog siv nyob rau hauv zirconium xuab zeb rau detaching lub rutile nyob rau hauv cov nroj tsuag.

Lawv yog siv nyob rau hauv metallurgical kev lag luam los ntxuav lub moj tej tawg.