0102030405
Electrostatic Precipitator Dry and Wet Fly Ash Treatment ESP System
Umgomo wokusebenza we-electrostatic precipitator
Umgomo wokusebenza we-electrostatic precipitator ukusebenzisa inkambu kagesi yamandla aphezulu ukuze wenze i-ionize igesi ye-flue, futhi uthuli olushajwa emoyeni luyahlukaniswa nomfudlana womoya ngaphansi kwesenzo senkambu kagesi. I-electrode engalungile yenziwe ngocingo lwensimbi olunobunjwa besigaba esihlukene futhi ibizwa ngokuthi i-discharge electrode.
I-electrode enhle yenziwe ngamapuleti ensimbi ezinhlobonhlobo zejometri futhi ibizwa ngokuthi i-electrode yokuqoqa uthuli. Ukusebenza kwe-electrostatic precipitator kuthintwa izinto ezintathu, njengezakhiwo zothuli, ukwakheka kwemishini kanye nesivinini segesi ephuma ku-flue. Ukumelana okuqondile kothuli kuyinkomba yokuhlola ukuqhutshwa kukagesi, okunomthelela oqondile ekusebenzeni kahle kokukhipha uthuli. Ukumelana okuqondile kuphansi kakhulu, futhi kunzima ukuthi izinhlayiya zothuli zihlale ku-electrode eqoqa uthuli, okuzibangela ukuthi zibuyele emgudwini womoya. Uma ukumelana okuthile kuphezulu kakhulu, ukushajwa kwezinhlayiyana zothuli ezifinyelela ku-electrode eqoqa uthuli akulula ukukukhulula, futhi i-voltage gradient phakathi kwezingqimba zothuli izobangela ukuphuka nokuphuma kwendawo. Lezi zimo zizodala ukusebenza kahle kokususa uthuli kwehle.
Ukunikezwa kwamandla kwe-electrostatic precipitator yenziwe ngebhokisi lokulawula, i-booster transformer kanye ne-rectifier. Amandla kagesi okukhiphayo nawo anethonya elikhulu ekusebenzeni kahle kokususa uthuli. Ngakho-ke, i-voltage yokusebenza ye-electrostatic precipitator kufanele igcinwe ngaphezu kuka-40 kuya ku-75kV noma ngisho no-100kV.
Isakhiwo esiyisisekelo se-electrostatic precipitator sinezingxenye ezimbili: ingxenye eyodwa uhlelo lomzimba we-electrostatic precipitator; Enye ingxenye idivayisi yokuphakela amandla ehlinzeka ngamandla kagesi aphezulu kanye nesistimu yokulawula okuzenzakalelayo kagesi ophansi. Isimiso sesakhiwo se-electrostatic precipitator, isistimu yokuphakelwa kwamandla kagesi aphezulu wokunikezwa kwamandla kagesi we-booster transformer, isigxobo somqoqi wothuli. Uhlelo lokulawula ugesi olusezingeni eliphansi lusetshenziselwa ukulawula izinga lokushisa lesando kagesi, i-electrode yokukhipha umlotha, i-electrode yokulethwa komlotha kanye nezingxenye ezimbalwa.
Umgomo kanye nesakhiwo se-electrostatic precipitator
Umgomo oyisisekelo we-electrostatic precipitator uwukusebenzisa ugesi ukuze ubambe uthuli olukugesi okhishwayo, ikakhulukazi okuhlanganisa lezi zinqubo zomzimba ezine ezihlobene: (1) i-ionization yegesi. (2) ukushajwa kothuli. (3) Uthuli olushajiwe luhamba lubheke ku-electrode. (4) Ukuthunjwa kothuli olugcwele amanzi.
Inqubo yokubamba uthuli olushajiwe: kuma-anode amabili ensimbi kanye ne-cathode enomehluko omkhulu we-curvature radius, ngokusebenzisa amandla kagesi aphezulu aqondile, gcina inkambu kagesi eyanele ukwenza i-ionize igesi, nama-electron akhiqizwa ngemva kwe-ionization yegesi: ama-anion nama-cations, adsorb on. uthuli ngokusebenzisa insimu kagesi, ukuze uthuli ithola icala. Ngaphansi kwesenzo samandla enkundla kagesi, uthuli olune-polarity ehlukene yokushaja luthuthela ku-electrode ene-polarity ehlukile futhi lufakwe ku-electrode, ukuze kuzuzwe injongo yokuhlukanisa uthuli negesi.
(1) Ukuhlukaniswa kwegesi
Kunenani elincane lama-electron amahhala nama-ion emkhathini (i-100 kuya ku-500 i-cubic centimeter ngayinye), okuphindwe izikhathi ezingamashumi ezigidigidi kunama-electron amahhala ezinsimbi eziqhutshwayo, ngakho-ke umoya ucishe ungabi ne-conductive ngaphansi kwezimo ezivamile. Nokho, lapho amangqamuzana egesi ethola isilinganiso esithile samandla, kungenzeka ukuthi ama- electron akumangqamuzana egesi ahlukaniswe ngokwawo, futhi igesi inezimfanelo zokuqhuba. Lapho ngaphansi kwesenzo senkambu kagesi yamandla aphezulu, inani elincane lama-electron emoyeni liphuthunyiswa kumandla athile e-kinetic, angabangela ama-athomu angqubuzanayo ukuba abaleke ama-electron (ionization), akhiqize inani elikhulu lama-electron nama-ion amahhala.
(2) Ukushajwa kothuli
Uthuli ludinga ukukhokhiswa ukuze luhlukane negesi ngaphansi kwesenzo samandla kagesi. Inkokhelo yothuli kanye nenani likagesi eliwuphethe lihlobene nosayizi wezinhlayiya, amandla enkundla kagesi kanye nesikhathi sokuhlala sothuli. Kunezinhlobo ezimbili eziyisisekelo zokushaja uthuli: ukushaja kokushayisana kanye neshaji yokusabalalisa. Ishaja yokushayisana isho ama-ion angemahle adutshulwa abe yinqwaba yezinhlayiya zothuli ngaphansi kwesenzo samandla kagesi. Ishaja yokusabalalisa isho ama-ion enza ukunyakaza okushisayo okungavamile nokushayisana nothuli ukuwashaja. Enqubweni yokushaja izinhlayiyana, ukushaja kokushayisana nokushaja kokusabalalisa kukhona cishe ngesikhathi esisodwa. Ku-electrostatic precipitator, inkokhiso yomthelela iyinkokhiso eyinhloko yezinhlayiya ezimahhadla, futhi inkokhiso yokusabalalisa ingeyesibili. Othulini olucolekile olunobubanzi obungaphansi kuka-0.2um, inani lokugcwala leshaja yokushayisana lincane kakhulu, futhi inkokhiso yokusabalalisa ilandisa ingxenye enkulu. Ngezinhlayiya zothuli ezinobubanzi obungu-1um, imiphumela yokushaja kokushayisana neshaja yokusabalalisa iyafana.
(3) Ukuthunjwa kothuli olugcwele amanzi
Lapho uthuli lushajwa, uthuli olushajiwe luya esigxotsheni sokuqoqa uthuli ngaphansi kwesenzo samandla kagesi, lufike phezu kwesigxobo sokuqoqa uthuli, ludedele inkokhiso bese luhlala phezulu, lwenza ungqimba lothuli. Ekugcineni, njalo ngemva kwesikhathi esithile, ungqimba lothuli luyasuswa esigxotsheni sokuqoqa uthuli ngokudlidliza komshini ukuze kuzuzwe ukuqoqwa kothuli.
I-electrostatic precipitator iqukethe umzimba okhipha amandla kanye nedivayisi yokuphakela amandla. Umzimba wakhiwe ngokuyinhloko ukwesekwa kwensimbi, induku engezansi, ihopper yomlotha, igobolondo, i-electrode yokukhipha, isigxobo sokuqoqa uthuli, idivayisi yokudlidliza, idivayisi yokusabalalisa umoya, njll. Idivayisi yokuphakela amandla iqukethe isistimu yokulawula amandla kagesi aphezulu kanye nesistimu yokulawula i-voltage ephansi. . Umzimba we-electrostatic precipitator uyindawo yokufeza ukuhlanzwa kothuli, futhi osetshenziswa kakhulu ipuleti elivundlile le-electrostatic precipitator, njengoba kuboniswe esithombeni:
Igobolondo le-dedusting electrostatic precipitator liyingxenye yesakhiwo evala igesi ye-flue, isekela sonke isisindo sezingxenye zangaphakathi nezingxenye zangaphandle. Umsebenzi uwukuqondisa igesi ephuma kugesi endaweni kagesi, ukusekela okokusebenza kokudlidliza, nokwenza indawo ezimele yokuqoqa uthuli ehlukaniswe nemvelo yangaphandle. Izinto zegobolondo zincike esimweni segesi ye-flue okufanele iphathwe, futhi isakhiwo segobolondo akufanele sibe nokuqina okwanele, amandla kanye nokuqina komoya, kodwa futhi kucabange ukumelana nokugqwala nokuzinza. Ngesikhathi esifanayo, ukuqina komoya kwegobolondo ngokuvamile kuyadingeka ukuba kube ngaphansi kuka-5%.
Umsebenzi wesigxobo sokuqoqa uthuli uwukuqoqa uthuli olushajiwe, futhi ngomshini wokudlidliza, uthuli lwe-flake noma uthuli olufana neqoqo oluxhunywe endaweni yepuleti luyasuswa endaweni yepuleti futhi iwele ku-ash hopper ukuze kufezwe injongo. yokususa uthuli. Ipuleti liyingxenye eyinhloko ye-electrostatic precipitator, futhi ukusebenza komqoqi wothuli kunezidingo ezilandelayo eziyisisekelo:
I-1) Ukusatshalaliswa kokuqina kwensimu kagesi endaweni yepuleti akufani;
I-2) Ukuguqulwa kwepuleti ethintekile ukushisa kuncane, futhi kunokuqina okuhle;
3) Isebenza kahle ukuvimbela uthuli ukundiza kabili;
4) Ukusebenza kokudlulisa amandla okudlidliza kuhle, futhi ukusatshalaliswa kokusheshisa ukudlidliza endaweni yepuleti kufana kakhulu, futhi umphumela wokuhlanza muhle;
5) ukukhishwa kwe-flashover akulula ukwenzeka phakathi kwe-electrode yokukhipha kanye ne-electrode yokukhipha;
I-6) Endabeni yokuqinisekisa ukusebenza okungenhla, isisindo kufanele sibe lula.
Umsebenzi we-electrode yokukhipha uwukwenza inkambu kagesi kanye ne-electrode eqoqa uthuli futhi ikhiqize i-corona current. Iqukethe umugqa we-cathode, ifreyimu ye-cathode, i-cathode, idivayisi yokulenga nezinye izingxenye. Ukuze unike amandla i-electrostatic precipitator ukuthi isebenze isikhathi eside, ngempumelelo nangokuzinza, i-electrode yokukhipha kufanele ibe nalezi zimpawu ezilandelayo:
1) Okuqinile futhi okuthembekile, amandla aphezulu emishini, umugqa oqhubekayo, akukho umugqa wokudonsa;
I-2) Ukusebenza kukagesi kuhle, ukuma nobukhulu bomugqa we-cathode kungashintsha usayizi nokusatshalaliswa kwe-corona voltage, ukuqina kwensimu yamanje kanye nogesi ngokwezinga elithile;
3) Ijika lesici le-volt-ampere elikahle;
4) Amandla okudlidliza asakazwa ngokulinganayo;
I-5) Isakhiwo esilula, ukukhiqiza okulula kanye nezindleko eziphansi.
Umsebenzi wedivayisi yokudlidliza ukuhlanza uthuli epuletini kanye nomugqa wesigxobo ukuze kuqinisekiswe ukusebenza okuvamile kwe-electrostatic precipitator, ehlukaniswe ngokudlidliza kwe-anode kanye nokudlidliza kwe-cathode. Amadivaysi okudlidliza angahlukaniswa cishe abe yi-electromechanical, pneumatic kanye ne-electromagnetic.
Idivayisi yokusabalalisa ukugeleza komoya yenza igesi ye-flue ibe ensimini kagesi isatshalaliswe ngokulinganayo futhi iqinisekisa ukusebenza kahle kokukhipha uthuli okudingekayo ngokuklama. Uma ukusatshalaliswa kokugeleza komoya endaweni kagesi akufani, kusho ukuthi kunezindawo eziphakeme neziphansi ze-flue gas endaweni kagesi, futhi kukhona ama-vortices nama-angles afile kwezinye izingxenye, okuzonciphisa kakhulu ukususwa kothuli. ukusebenza kahle.
Idivayisi yokusabalalisa umoya yenziwe ngepuleti lokusabalalisa kanye nepuleti le-deflector. Umsebenzi wepuleti lokusabalalisa ukuhlukanisa ukugeleza komoya okukhulu phambi kwepuleti lokusabalalisa bese wenza ukugeleza komoya okuncane ngemuva kwepuleti lokusabalalisa. I-flue baffle ihlukaniswe yaba i-flue baffle kanye ne-baffle yokusabalalisa. I-flue baffle isetshenziselwa ukuhlukanisa ukugeleza komoya ku-flue ibe yimicu embalwa ecishe ifane ngaphambi kokungena ku-electrostatic precipitator. I-deflector yokusabalalisa iqondisa ukugeleza komoya okuthambekele ekugelezeni komoya okuhambisana nepuleti yokusabalalisa, ukuze ukugeleza komoya kungangena ensimini kagesi ngokuvundlile, futhi insimu kagesi ekugelezeni komoya isakazwa ngokulinganayo.
I-ash hopper iyisitsha esiqoqa futhi sigcine uthuli isikhathi esifushane, esingaphansi kwendlu futhi sishiselwe phansi. Ukuma kwayo kuhlukaniswe izinhlobo ezimbili: i-cone ne-groove. Ukuze wenze uthuli liwe kahle, i-Angle phakathi kodonga lwebhakede lomlotha kanye nendiza evundlile ngokuvamile ayikho ngaphansi kuka-60 °; Ukuthola kabusha i-alkali yephepha, ama-boilers ashisa uwoyela kanye namanye ama-precipitator e-electrostatic asekelayo, ngenxa yothuli lwawo oluhle kanye ne-viscosity enkulu, i-Engeli phakathi kodonga lwebhakede lomlotha kanye nendiza evundlile ngokuvamile ayikho ngaphansi kuka-65°.
Idivayisi yokuphakela amandla ye-electrostatic precipitator ihlukaniswe yaba isistimu yokulawula ukunikezwa kwamandla kagesi aphezulu kanye nesistimu yokulawula i-voltage ephansi. Ngokwemvelo yegesi ewuketshezi nothuli, isistimu yokulawula ukunikezwa kwamandla kagesi aphezulu ingalungisa i-voltage esebenzayo ye-electrostatic precipitator nganoma yisiphi isikhathi, ukuze ikwazi ukugcina i-voltage emaphakathi ingaphansi kancane kune-voltage yokukhishwa kwenhlansi. Ngale ndlela, i-electrostatic precipitator izothola amandla aphezulu we-corona futhi izuze umphumela omuhle wokususa uthuli. Uhlelo lokulawula amandla kagesi aphansi lusetshenziswa ngokuyinhloko ukuze kuzuzwe ukulawulwa kokudlidliza okungalungile kanye ne-anode; Ukuthulula i-ash hopper, ukulawula ukuthuthwa komlotha; Security interlock kanye neminye imisebenzi.
Izici ze-electrostatic precipitator
Uma kuqhathaniswa nezinye izinto zokusebenza zokususa uthuli, i-electrostatic precipitator inokusetshenziswa okuncane kwamandla kanye nokusebenza kahle kokukhipha uthuli okuphezulu. Ilungele ukususa uthuli lwe-0.01-50μm kugesi we-flue, futhi ingasetshenziswa ngezikhathi ezinokushisa kwegesi ephezulu kanye nokucindezela okukhulu. Lo mkhuba ubonisa ukuthi lapho umthamo wegesi uphathwa kakhulu, izindleko zokutshala nezokusebenza ze-electrostatic precipitator zonga kakhulu.
Iphimbo elibanzi elivundlilei-electrostaticubuchwepheshe be-precipitator
Uhlobo lwe-HHD oluvundlile oluvundlile lwe-electrostatic precipitator yohlobo lwe-HHD luwumphumela wocwaningo lwesayensi lokwethula nokufunda kusuka kubuchwepheshe obuthuthukisiwe obuhlukahlukene, obuhlanganiswe nezici zezimo zegesi yokukhipha izizinda zezimboni, ukuze ivumelane nezimfuneko eziqinile zokukhipha igesi yokukhipha umoya kanye namazinga emakethe ye-WTO. Imiphumela isetshenziswe kakhulu kwezensimbi, amandla kagesi, usimende nezinye izimboni.
Isikhala esibanzi esingcono kakhulu nokucushwa okukhethekile kwamapuleti
Amandla ensimu kagesi kanye nokusabalalisa kwamanje kwepuleti kufana kakhulu, ijubane lokushayela linganyuswa izikhathi eziyi-1.3, futhi uhla oluthile lokumelana nothuli oluqoqiwe lunwetshwa lube ngu-10 1-10 14 Ω-cm, olufaneleka kakhulu ukubuyiselwa. uthuli oluthize oluphakeme oluqinile oluvela kumabhoyela ombhede wesibabule, okhini abasha bakasimende owomile, imishini yokucwilisa kanye namanye amagesi akhipha umoya, ukwehlisa ijubane noma ukuqeda lo mkhuba wokulwa ne-corona.
Intambo entsha ye-RS corona ehlanganisiwe
Ubude obukhulu bungafinyelela kumamitha ayi-15, nge-corona yamanje ephansi, ukuminyana okuphezulu kwe-corona yamanje, insimbi eqinile, engakaze yephuke, enokumelana nokushisa okuphezulu, ukumelana nokushisa, kuhlanganiswe nomphumela wokuhlanza wokudlidliza ophezulu kuhle kakhulu. Ukuminyana komugqa we-corona kumiswa ngokuhambisana nokugxilwa kothuli, ukuze kukwazi ukuzivumelanisa nokuqoqwa kothuli ngothuli oluningi olugxilile, futhi ukugxiliswa okuphezulu okuvunyelwe kokungena kungafinyelela ku-1000g/Nm3.
I-Corona pole top vibration enamandla
Ngokusho kwethiyori yokuhlanza umlotha, ukudlidliza okunamandla kwe-electrode kungasetshenziswa kuzinketho zemishini kanye ne-electromagnetic.
Izigxobo ze-yin-yang zilenga ngokukhululekile
Uma izinga lokushisa legesi yokukhipha umoya liphezulu kakhulu, isiqoqi sothuli nesigxobo se-corona sizonwebeka futhi sinwetshwe ngokungafanele ohlangothini lwezinhlangothi ezintathu. Uhlelo lokuqoqa uthuli luphinde luklanywe ngokukhethekile ngesakhiwo sokuvimbela i-tape yensimbi engavimbeli ukushisa, okwenza umqoqi wothuli we-HHD ube namandla aphezulu okumelana nokushisa. Ukusebenza kwezentengiselwano kukhombisa ukuthi i-HHD eqoqwa uthuli lukagesi ingamelana nokufika ku-390℃.
Ukusheshisa kokudlidliza
Thuthukisa umphumela wokuhlanza: Ukususwa kothuli kohlelo lwezigxobo zokuqoqa uthuli kuthinta ngokuqondile ukusebenza kahle kokuqoqwa kothuli, futhi iningi labaqoqi bakagesi libonisa ukwehla kokusebenza kahle ngemva kwesikhathi esithile sokusebenza, okubangelwa kakhulu umphumela omubi wokukhipha uthuli ipuleti lokuqoqa uthuli. Umqoqi wothuli lukagesi we-HHD usebenzisa ithiyori yakamuva yomthelela kanye nemiphumela yokuzijwayeza ukuze uguqule isakhiwo senduku yensimbi eyisicaba esivamile sibe isakhiwo sensimbi esibalulekile. Isakhiwo sesando sokudlidliza eseceleni sesigxobo sokuqoqa uthuli senziwe lula, futhi isixhumanisi sokuwisa isando sincishiswa ngo-2/3. Ukuhlolwa kukhombisa ukuthi ukusheshisa okuncane kwepuleti lokuqoqa uthuli kunyuswa kusuka ku-220G kuya ku-356G.
Izinyawo ezincane, isisindo esincane
Ngenxa yomklamo wokudlidliza ophezulu wesistimu ye-electrode ekhishwayo, kanye nokusetshenziswa kobuciko okungajwayelekile kwedizayini yokulengiswa kwe-asymmetrical endaweni ngayinye kagesi, kanye nokusetshenziswa kwesofthiwe yekhompyutha yegobolondo yenkampani yase-United States Equipment Equipment ukuze kuthuthukiswe umklamo, ubude bayo bonke umqoqi wothuli kagesi uyancipha ngamamitha angu-3-5 endaweni efanayo yokuqoqa uthuli, futhi isisindo sincishiswa ngo-15%.
Isistimu yokufaka isiqiniseko esiphezulu
Ukuze kuvinjwe ukufiphala kanye nokusabalala kwempahla yokufakelwa kwamandla kagesi aphezulu we-electrostatic precipitator, igobolondo lamukela isitoreji sokushisa umklamo ophahleni oluphefumula kabili, ukushisisa kukagesi kusebenzisa izinto zakamuva ze-PTC kanye ne-PTS, kanye nomklamo we-hyperbolic ovunguzayo nowokuhlanza uyamukelwa. ngaphansi komkhono wokufakelwa, okuvimbela ngokuphelele ukwehluleka okujwayele ukukhuphuka kwamazolo womkhono we-porcelain.
Ukufanisa uhlelo oluphezulu lwe-LC
Ukulawulwa kwamandla kagesi aphezulu kungalawulwa ngohlelo lwe-DSC, ukusebenza kwekhompyutha ephezulu, ukulawulwa kwamandla kagesi aphansi ngokulawulwa kwe-PLC, ukusebenza kwesikrini sokuthinta saseShayina. Ukunikezwa kwamandla kagesi aphezulu kusebenzisa amandla amanje njalo, amandla aphezulu e-DC, afana ne-HHD kagesi eqoqa uthuli lomzimba. Ingakhiqiza imisebenzi ephakeme kakhulu yokusebenza kahle kokususa uthuli, inqobe ukumelana nomthamo othize kanye nokusingatha ukugxila okuphezulu.
Izinto ezithinta umphumela wokususwa kothuli
Umthelela wokususa uthuli womqoqi wothuli uhlobene nezici eziningi, njengezinga lokushisa legesi ephumayo, izinga lokugeleza, isimo sokuvala somqoqi wothuli, ibanga phakathi kwepuleti lokuqoqa uthuli nokunye.
1. Izinga lokushisa le-flue gas
Lapho izinga lokushisa legesi eliwuketshezi liphezulu kakhulu, i-voltage yokuqala ye-corona, izinga lokushisa lensimu kagesi endaweni ye-corona pole kanye ne-spark discharge voltage konke kuyehla, okuthinta ukusebenza kahle kokususa uthuli. Izinga lokushisa le-flue gas liphansi kakhulu, okulula ukubangela ukuthi izingxenye zokufakelwa ziqhume ngenxa yokuminyanisa. Izingxenye zensimbi zigqwalile, futhi igesi ephuma kugesi ekhishwa ngamalahle iqukethe i-SO2, okugqwala okubi kakhulu; Ukufakwa kothuli ku-ash hopper kuthinta ukuphuma komlotha. Ibhodi lokuqoqa uthuli kanye nomugqa we-corona kwashiswa konakele futhi kwaphuka, futhi ulayini we-corona washiswa ngenxa yokunqwabelana komlotha isikhathi eside ku-ash hopper.
2.Isivinini somusi
Isivinini segesi ephuma ku-flue ephakeme ngokweqile ayikwazi ukuba phezulu kakhulu, ngoba kuthatha isikhathi esithile ukuze uthuli lubeke esigxotsheni sokuqoqa uthuli sesiqhingi ngemva kokukhokhiswa inkambu kagesi. Uma isivinini somoya we-flue gas siphezulu kakhulu, uthuli lwamandla enuzi luzokhishwa emoyeni ngaphandle kokuzinza, futhi ngesikhathi esifanayo, isivinini segesi ye-flue siphezulu kakhulu, okulula ukubangela uthuli olufakwe kulo. ipuleti lokuqoqa uthuli ukundiza kabili, ikakhulukazi lapho uthuli lunyakaziswa phansi.
3. Isikhala Sebhodi
Lapho amandla kagesi okusebenza kanye nesikhala nesikhala sezintambo ze-corona kufana, ukwandisa ukuhlukana kwamapuleti kuzothinta ukusatshalaliswa kwamandla e-ionic akhiqizwa endaweni eseduze nezintambo ze-corona futhi kwandise umehluko ongaba khona endaweni engaphezulu, okuyinto kuzoholela ekwehleni kokuqina kwenkundla kagesi endaweni engaphandle kwe-corona futhi kuthinte ukusebenza kahle kokususa uthuli.
4. Corona Cable Isikhala
Lapho i-voltage yokusebenza, i-corona radius kanye nokuhlukaniswa kwamapuleti kufana, ukukhulisa isikhala somugqa we-corona kuzobangela ukusatshalaliswa kwe-corona yamanje kanye nokuqina kwenkundla kagesi ukuthi kungalingani. Uma isikhala somugqa we-corona singaphansi kwevelu elifanele, umphumela wokuvikela ohlanganyelwe wezinkambu zikagesi eduze komugqa we-corona uzobangela ukuthi i-corona current yehle.
5. Ukusatshalaliswa komoya okungalingani
Uma ukusatshalaliswa komoya kungalingani, izinga lokuqoqwa kothuli liphezulu endaweni enesivinini somoya esiphansi, izinga lokuqoqwa kothuli liphansi endaweni enesivinini somoya, futhi inani elikhulayo lokuqoqwa kothuli endaweni enesivinini somoya esiphansi liyancipha kunenani elincishisiwe lokuqoqwa kothuli endaweni enejubane eliphezulu lomoya, kanye nenani eliphelele lokuqoqa uthuli ngempumelelo liyehla. Futhi lapho isivinini sokugeleza komoya siphezulu, kuzoba khona umkhuba wokukhuhla, futhi uthuli olufakwe ebhodini lokuqoqa uthuli luzophinde luphakanyiswe ngobuningi.
6. Ukuvuza komoya
Ngenxa yokuthi umqoqi wothuli kagesi usetshenziselwa ukusebenza kwengcindezi embi, uma ukuhlanganiswa kwegobolondo kungavaliwe ngokuqinile, umoya obandayo uzovuza ngaphandle, ukuze isivinini somoya ngokusebenzisa ukukhishwa kothuli kagesi sikhuphuke, izinga lokushisa legesi le-flue liyancipha, okuyinto izoshintsha indawo yamazolo yegesi ephumayo, futhi ukusebenza kokuqoqwa kothuli kuncipha. Uma umoya uvuza emoyeni usuka ku-ash hopper noma idivayisi yokukhipha umlotha, uthuli oluqoqiwe luzokhiqizwa bese lundiza, ukuze kuncishiswe ukusebenza kahle kokuqoqwa kothuli. Kuzokwenza futhi umswakama womlotha, unamathele ku-ash hopper futhi ubangele ukuthululwa komlotha akubushelelezi, futhi ngisho nokukhiqiza ukuvinjelwa komlotha. I-seal evulekile ye-greenhouse ivuza ibe yinani elikhulu lomlotha oshisayo oshisayo, ongagcini nje ukunciphisa kakhulu umphumela wokukhipha uthuli, kodwa futhi ushise imigqa yokuxhuma yamasongo amaningi okushisa. I-ash hopper izophinde imise indawo yokukhipha umlotha ngenxa yokuvuza komoya, futhi umlotha ngeke uphume, okuholela ekuqongeleleni komlotha ku-ash hopper.
Izinyathelo nezindlela zokuthuthukisa ukusebenza kahle kokususa uthuli
Ngokombono wenqubo yokususa uthuli ye-electrostatic precipitator, ukusebenza kahle kokukhipha uthuli kungathuthukiswa kusukela ezigabeni ezintathu.
Isiteji sokuqala : Qala ngentuthu. Ekususeni uthuli lwe-electrostatic, ukubamba uthuli kuhlobene nothuli uqoboimingcele : njengokumelana okukhethekile kothuli, ukungaguquguquki kwe-dielectric kanye nokuminyana, izinga lokugeleza kwegesi, izinga lokushisa kanye nomswakama, izici ze-voltammetry zenkundla kagesi kanye nesimo esingaphezulu sesigxobo sokuqoqa uthuli. Ngaphambi kokuthi uthuli lungene ekukhipheni uthuli lwe-electrostatic, iqoqo lothuli lokuqala liyengezwa ukuze kukhishwe izinhlayiya ezithile ezinkulu nothuli olusindayo. Uma kusetshenziswa ukususwa kothuli lwe-cyclone, uthuli ludlula kusihlukanisi sesishingishane ngesivinini esikhulu, ukuze igesi equkethe uthuli izungeleze iye phansi eduze kwe-eksisi, amandla aphakathi nendawo asetshenziselwa ukususa izinhlayiya ezimaholoholo zothuli, kanye nokugxiliswa kothuli lokuqala. endaweni kagesi kulawulwa ngempumelelo. Inkungu yamanzi ingase isetshenziselwe ukulawula ukumelana okukhethekile kanye nokungaguquki kwe-dielectric kothuli, ukuze igesi ye-flue ibe namandla okushaja anamandla ngemva kokungena kumqoqi wothuli. Kodwa-ke, kuyadingeka ukulawula inani lamanzi asetshenziselwa ukususa uthuli nokuvimbela ukujiya.
Isigaba sesibili : Qala ngokwelapha umule. Ngokuthepha amandla okukhipha uthuli okususwa kothuli lwe-electrostatic ngokwayo, amaphutha nezinkinga ohlelweni lokususa uthuli lwe-electrostatic dust collector ziyaxazululwa, ukuze kuthuthukiswe ngempumelelo ukususwa kothuli. Izinyathelo eziyinhloko zihlanganisa okulandelayo:
(1) Thuthukisa ukusabalalisa kwesivinini sokugeleza kwegesi okungalingani futhi ulungise imingcele yezobuchwepheshe yedivayisi yokusabalalisa igesi.
(2) Naka ukufakwa kwesistimu yokuqoqa uthuli ukuze uqinisekise ukwakheka nokujiya kongqimba lokufakelwa. Isendlalelo se-insulation ngaphandle komqoqi wothuli sizothinta ngokuqondile izinga lokushisa kwegesi eqoqa uthuli, ngoba indawo yangaphandle iqukethe inani elithile lamanzi, lapho izinga lokushisa legesi liphansi kunephuzu lamazolo, lizokhiqiza ukufingqa. Ngenxa yokujiya, uthuli lunamathela esigxotsheni sokuqoqa uthuli kanye nesigxobo se-corona, futhi nokuzamazama akukwazi ukulenza liwe. Lapho inani lothuli olunamathelayo lifinyelela izinga elithile, lizovimbela isigxobo se-corona ekukhiqizeni i-corona, ukuze ukusebenza kahle kokuqoqwa kothuli kuncishiswe, futhi umqoqi wothuli kagesi angakwazi ukusebenza ngokujwayelekile. Ngaphezu kwalokho, i-condensation izobangela ukugqwala kwesistimu ye-electrode kanye negobolondo nebhakede lomqoqi wothuli, ngaleyo ndlela kufinyeze impilo yesevisi.
(3) Ukwenza ngcono ukuvala uhlelo lokuqoqa uthuli ukuze kuqinisekiswe ukuthi izinga lokuvuza komoya lesistimu yokuqoqa uthuli lingaphansi kuka-3%. Umqoqi wothuli kagesi uvame ukusebenza ngaphansi kwengcindezi engemihle, ngakho-ke kufanele kuqashelwe ukuvala uphawu ukuze kuncishiswe ukuvuza komoya ukuze kuqinisekiswe ukusebenza kwawo. Ngenxa yokuthi ukungena komoya wangaphandle kuzoletha imiphumela emibi emithathu elandelayo: (1) Yehlisa izinga lokushisa legesi endaweni eqoqa uthuli, kungenzeka ukukhiqiza ukujiya, ikakhulukazi ebusika lapho izinga lokushisa liphansi, okubangela izinkinga ezibangelwa ukujiya okungenhla. ② Khulisa isivinini somoya ensimini kagesi, ukuze isikhathi sokuhlala segesi enothuli endaweni kagesi sifinyezwe, ngaleyo ndlela kuncishiswe ukusebenza kahle kokuqoqwa kothuli. (3) Uma kukhona ukuvuza komoya endaweni yokukhipha umlotha kanye nendawo yokukhipha umlotha, umoya ovuzayo uzoqhumisa ngokuqondile uthuli oselulungisiwe bese ukhuphukela emoyeni, okubangele ukuphakanyiswa kothuli kwesibili okubucayi, okuholela ekunciphiseni ukusebenza kahle kokuqoqwa kothuli.
(4) Ngokuvumelana nokwakheka kwamakhemikhali egesi ye-flue, lungisa okokusebenza kwepuleti le-electrode ukuze ukwandise ukumelana nokugqwala kwepuleti le-electrode futhi uvimbele ukugqwala kwepuleti, okuholela ekujikelezeni okufushane.
(5) Lungisa umjikelezo wokudlidliza namandla okudlidliza we-electrode ukuze uthuthukise amandla e-corona futhi unciphise ukundiza kothuli.
(6) Khulisa umthamo noma indawo yokuqoqa uthuli ye-electrostatic precipitator, okungukuthi, khulisa inkambu kagesi, noma wandise noma wandise inkambu kagesi ye-electrostatic precipitator.
(7) Lungisa imodi yokulawula kanye nemodi yokuphakelwa kwamandla kwempahla yokuphakelwa kwamandla. Ukusetshenziswa kwefrikhwensi ephezulu (20 ~ 50kHz) amandla okushintsha amandla kagesi aphezulu kunikeza indlela entsha yobuchwepheshe yokuthuthukiswa kwe-electrostatic precipitator. Imvamisa yokunikezwa kwamandla okushintsha i-high-voltage high-voltage (SIR) izikhathi ezingu-400 kuya kwezingu-1000 kunezomshini ovamile/isilungisi (T/R). Ukunikezwa kwamandla okuvamile kwe-T/R, ngokuvamile esimweni sokukhishwa kwenhlansi engathi sína akukwazi ukukhipha amandla amakhulu. Uma kukhona uthuli oluthile oluqinile lokumelana nogesi emkhakheni kagesi futhi lukhiqize i-corona ehlanekezela, inhlansi yensimu kagesi izokhula ngokuqhubekayo, okuzoholela ekwehleni okukhulu kwamandla okukhipha, ngezinye izikhathi kuze kufike emashumini e-MA, okuthinta kakhulu. ukuthuthukiswa kokusebenza kahle kokuqoqwa kothuli. I-SIR yehlukile, ngoba imvamisa yayo ye-voltage ephumayo iphindwe izikhathi ezingama-500 kuneyamandla ajwayelekile. Lapho ukukhishwa kwenhlansi kwenzeka, ukushintshashintsha kwamandla kagesi kuncane, futhi kungakhiqiza ukuphuma okubushelelezi kwe-HVDC. Ngakho-ke, i-SIR Ingakwazi ukunikeza okwamanje okukhulu ensimini kagesi. Ukusebenza kwama-electrostatic precipitator amaningana kubonisa ukuthi ukuphuma kwamanje kwe-SIR evamile Kungaphezu kokuphindwe izikhathi ezingu-2 kunokunikezwa kwamandla okuvamile kwe-T/R, ngakho ukusebenza kahle kwe-electrostatic precipitator kuzothuthukiswa kakhulu.
Isigaba sesithathu: qala kusukela ekwelashweni kwegesi ephumayo. Ungakwazi futhi ukwengeza amazinga amathathu okukhipha uthuli ngemva kokususwa kothuli lwe-electrostatic, njengokusebenzisa isikhwama sendwangu ukususwa uthuli, kungase kususwe ngokucophelela ezinye izinhlayiya ezincane zothuli, uthuthukise umphumela wokuhlanza, ukuze ufeze inhloso yokungangcoli. ukukhishwa kwekhabhoni.
Lesi isigabaUbuchwepheshe be-GD bohlobo lwe-electrostatic precipitator olwethulwa kubuchwepheshe bokuqala be-electrostatic precipitator baseJapan, ngokugaya nokumuncwa kwesipiliyoni esiyimpumelelo embonini yasekhaya, bathuthukise uchungechunge lwe-GD yohlobo lwe-electrostatic precipitator, esetshenziswa kabanzi kwezensimbi, embonini yokuncibilikisa.
Ngaphezu kwezici zezinye izinhlobo zama-precipitator kagesi anokumelana okuphansi, ukusetshenziswa kwamandla okuphansi nokusebenza kahle okuphezulu, uchungechunge lwe-GD lunamaphuzu alandelayo:
◆ Isakhiwo sokusabalalisa umoya se-air inlet enomklamo oyingqayizivele.
◆ Kukhona ama-electrode amathathu emkhakheni kagesi (i-electrode yokukhipha, i-electrode yokuqoqa uthuli, i-electrode asizayo), engalungisa ukucushwa kwe-polar yensimu kagesi ukuze ushintshe isimo sensimu kagesi, ukuze uvumelane nokuphathwa kothuli ngezici ezahlukene kanye ne-electrode esebenzayo. finyelela umphumela wokuhlanza.
◆ negative - izigxobo ezinhle ukumiswa kwamahhala.
◆ Intambo ye-Corona: kungakhathaliseki ukuthi intambo ye-corona yinde kangakanani, yakhiwe ngepayipi lensimbi, futhi akukho ukuxhumana kwebhawodi phakathi, ngakho akukho ukwehluleka ukugqashula ucingo.igrafu Izidingo zokufaka
◆ Hlola futhi uqinisekise ukwamukelwa phansi kwe-precipitator ngaphambi kokufakwa. Faka izingxenye ze-electrostatic precipitator ngokwezidingo zemiyalelo yokufaka i-electrostatic precipitator kanye nemidwebo yokuklama. Nquma isisekelo sokufaka esimaphakathi se-electrostatic precipitator ngokuya ngesisekelo sokuqinisekisa nokwamukela, futhi sisebenze njengesisekelo sokufakwa kwesistimu ye-anode ne-cathode.
◆ Hlola ukucaba, ibanga lekholomu kanye nephutha le-diagonal lendiza eyisisekelo
◆ Hlola izingxenye zegobolondo, lungisa ukuguqulwa kwezinto zokuhamba, futhi uzifake ungqimba ngongqimba kusukela phansi kuya phezulu, njengeqembu lokusekela - ugongolo olungezansi (olufakwe umgodi womlotha kanye nenkundla kagesi yesikhulumi sangaphakathi ngemuva kokudlula ukuhlolwa) - ikholomu nohlangothi iphaneli yodonga - ugongolo olungaphezulu - i-inlet ne-outlet (kuhlanganise nepuleti lokusabalalisa kanye nepuleti lomkhombe) - uhlelo lwe-anode ne-cathode - ipuleti lekhava eliphezulu - ukunikezwa kwamandla kagesi aphezulu kanye nezinye izinto zokusebenza. Izitebhisi, amapulatifomu, nezinsimbi zingafakwa isendlalelo ngongqimba ngokulandelana kokufakwa. Ngemuva kokufakwa kwesendlalelo ngasinye, hlola futhi urekhode ngokwezidingo zemiyalelo yokuFakwa kwe-Electrostatic Dust Collector kanye nemidwebo yokuklama: isibonelo, ngemva kokufakwa kokucaba, i-diagonal, ibanga lekholomu, ukuma, kanye nebanga lesigxobo, hlola ukuqina komoya. wemishini, ukulungisa ukushisela izingxenye ezingekho, hlola futhi ulungise ukushisela kwezingxenye ezingekho.
I-electrostatic precipitator ihlukaniswe yaba: ngokuya ngesiqondiso sokugeleza komoya ihlukaniswe yaba mpo futhi enezingqimba, ngokusho kohlobo lwesigxobo semvula ihlukaniswe ngepuleti kanye nohlobo lweshubhu, ngokusho kwendlela yokususa uthuli epuleti lemvula lihlukaniswe libe elomile. uhlobo olumanzi.
Lesi yisiqephu Isebenza kakhulu embonini ye-Iron nensimbi: esetshenziselwa ukuhlanza igesi ephumayo yomshini wokucwilisa, isithando somlilo sokuncibilikisa insimbi, i-cast iron cupola, i-coke oven. Isikhungo samandla esibaselwa ngamalahle: i-electrostatic precipitator ye-fly ash yesikhungo samandla esibaselwa ngamalahle.
Ezinye izimboni: Ukufakwa kwezicelo embonini kasimende nakho kujwayelekile, futhi ohonela abajikelezayo nezomisi bezitshalo zikasimende ezintsha ezinkulu nezimaphakathi ngokuvamile bafakwe izinto zokuqoqa uthuli zikagesi. Imithombo yothuli efana nesigayo sikasimende nesigayo samalahle ingalawulwa umqoqi wothuli kagesi. Ama-electrostatic precipitators nawo asetshenziswa kabanzi ekubuyiseni inkungu ene-asidi embonini yamakhemikhali, ekwelapheni i-flue gas embonini ye-non-ferrous metallurgy kanye nokutholwa kwezinhlayiya zensimbi eziyigugu.h
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