0102030405
Electrostatic Precipitator Dry and Wet Fly Ash Treatment ESP System
Nheyo yekushanda ye electrostatic precipitator
Nheyo yekushanda ye electrostatic precipitator ndeye kushandisa yakakwira voltage munda wemagetsi kuti ionize iyo flue gasi, uye guruva rinochajwa mumhepo kurukova rinopatsanurwa kubva kumhepo kurukova pasi pechiito chemunda wemagetsi. Electrode isina kunaka inogadzirwa newaya yesimbi ine maumbirwo akasiyana echikamu uye inonzi discharge electrode.
Iyo yakanaka electrode inogadzirwa nesimbi mahwendefa emhando dzakasiyana dzejometri uye inonzi guruva rekuunganidza electrode. Kuita kwe electrostatic precipitator kunokanganiswa nezvinhu zvitatu, senge guruva zvivakwa, chimiro chemidziyo uye flue gasi velocity. Iyo chaiyo yekupikisa guruva indekisi yekuongorora maitiro emagetsi, ayo ane simba rakananga pakubudirira kwekubvisa guruva. Kupikiswa chaiko kwakadzikira, uye zvinonetsa kuti guruva rirambe riri paguruva rinounganidza electrode, zvichiita kuti vadzokere kumhepo. Kana iyo chaiyo yekupikisa yakakwira zvakanyanya, iyo huruva particle charge inosvika kuguruva inounganidza electrode haisi nyore kuburitsa, uye voltage gradient pakati pehuruva zvidimbu zvinokonzeresa kuparara kwenzvimbo uye kubuda. Aya mamiriro achaita kuti kushanda kwekubvisa guruva kuderera.
Iyo magetsi emagetsi emagetsi precipitator anoumbwa ne control box, booster transformer uye rectifier. Iko kubuda kwemagetsi emagetsi emagetsi kunewo simba guru pakubvisa guruva. Naizvozvo, simba rekushanda re electrostatic precipitator rinofanira kuchengetwa riri pamusoro pe40 kusvika 75kV kana kunyange 100kV.
The basic structure of electrostatic precipitator ine zvikamu zviviri: imwe part is the body system of electrostatic precipitator; Chimwe chikamu ndicho chishandiso chemagetsi chinopa yakakwira voltage yakananga ikozvino uye yakaderera voltage otomatiki control system. Chimiro chemusimboti we electrostatic precipitator, iyo yakakwira voltage magetsi ekupa system yebooster transformer magetsi, guruva muunganidzi danda pasi. Iyo yakaderera voltage yemagetsi control system inoshandiswa kudzora tembiricha ye electromagnetic sando, ash discharge electrode, ash delivery electrode uye akati wandei zvinhu.
Nheyo uye chimiro che electrostatic precipitator
Nheyo yekutanga ye electrostatic precipitator ndeye kushandisa magetsi kubata guruva mugetsi reflue, kunyanya kusanganisira mana anotevera anoenderana maitiro emuviri: (1) ionization yegasi. (2) kuzara kweguruva. (3) Iyo huruva yakachajiwa inofamba ichienda kune electrode. (4) Kutorwa kwehuruva yakachajwa.
Maitiro ekutora guruva rinochajiswa: pane maviri simbi anode uye cathode ine yakakura curvature radius musiyano, kuburikidza nepamusoro voltage yakananga ikozvino, chengetedza nzvimbo yemagetsi inokwana kuita ionize gasi, uye maerekitironi anogadzirwa mushure meiyo ionization yegesi: anions uye cations, adsorb pa. guruva kuburikidza nemunda wemagetsi, kuitira kuti guruva riwane mari. Pasi pekuita kwesimba remagetsi, guruva rine polarity yakasiyana-siyana yechaji inoenda kune electrode ine polarity yakasiyana uye inoiswa pa electrode, kuitira kuti ibudirire chinangwa cheguruva uye kupatsanurwa kwegesi.
(1) Kuiswa kwegasi
Kune nhamba shoma yemahara maerekitironi uye ayoni mumhepo (100 kusvika 500 pa cubic centimita), inova makumi emabhiriyoni enguva yakaipisisa kupfuura maerekitironi emahara esimbi conductive, saka mhepo inenge isiri-conductive mumamiriro ezvinhu akajairika. Zvisinei, kana mamorekuru egasi awana simba rakati, zvinokwanisika kuti maerekitironi ari mumamorekuru egasi anopatsanurwa kubva kwawo, uye gasi rine zvinhu zvinoitisa. Kana iri pasi pechiito chemagetsi emagetsi, nhamba shoma yemaerekitironi ari mumhepo inokwidziridzwa kune imwe kinetic simba, izvo zvinogona kuita kuti maatomu anodhumhana atize maerekitironi (ionization), achigadzira nhamba huru yemaerekitironi nemaioni.
(2) Kurovera guruva
Iyo guruva inoda kubhadharwa kuti iparadzanise kubva kune gasi pasi pekuita kwemasimba emagetsi emagetsi. Kuchaja kweguruva uye huwandu hwemagetsi hwainotakura hunoenderana nekukura kwechikamu, simba remunda wemagetsi uye nguva yekugara yeguruva. Pane nzira mbiri dzekutanga dzekuchajisa huruva: kudhumhana kuchaji uye diffusion charge. Collision charge inoreva maion akaipa ari kupfurwa muhuwandu hwakakura hwehuruva pasi pekuita kwesimba remagetsi. Diffusion charge (Diffusion charge) zvinoreva maion anoita kufamba zvisina tsarukano kudziya uye kudhumhana neguruva kuti aachajise. Muchirongwa chekuchaja, kudhumhana kuchaja uye kuchaja kupararira kunowanikwa panguva imwe chete. Mune electrostatic precipitator, iyo yekukanganisa kuchaji ndiyo huru yekuchaja yeakakomba zvimedu, uye iyo diffusion charge ndeyechipiri. Kune guruva rakatsetseka rine dhayamita risingasviki 0.2um, kukosha kwekuzara kwechaji yekudhumhana idiki kwazvo, uye iyo diffusion charge inoverengera chikamu chikuru. Kune guruva zvidimbu zvine dhayamita ingangoita 1um, mhedzisiro yekudhumhana charge uye diffusion charge yakafanana.
(3) Kutorwa kwehuruva yakachajwa
Kana guruva rikachajwa, guruva rinochajiswa rinofamba rakananga kuguruva rinounganidza danda pasi pechiito chesimba remagetsi, rinosvika pamusoro peguruva rekuunganidza danda, rinoburitsa charge uye rinogara pamusoro, richigadzira guruva. Chekupedzisira, pese pese neapo, iyo huruva layer inobviswa kubva muguruva rekuunganidza danda nemechani vibration kuti iwane kuunganidzwa kweguruva.
Iyo electrostatic precipitator ine muviri unobvisa uye mudziyo wekupa magetsi. Muviri wacho unonyanya kuumbwa nesimbi inotsigira, danda rezasi, hovha yemadota, goko, electrode yekuburitsa, guruva rekuunganidza danda, mudziyo wekudedera, mudziyo wekuparadzira mweya, nezvimwewo. Chishandiso chemagetsi chinosanganisira high voltage control system uye low voltage control system. . Muviri weiyo electrostatic precipitator inzvimbo yekuwana kucheneswa kweguruva, uye inonyanya kushandiswa ndiyo horizontal plate electrostatic precipitator, sezvakaratidzwa mumufananidzo:
Iyo goko re dedusting electrostatic precipitator chikamu chechimiro chinosimbisa iyo flue gasi, inotsigira huremu hwese hwemukati uye zvikamu zvekunze. Basa ndere kutungamira gasi reflue kuburikidza nemunda wemagetsi, kutsigira vibration midziyo, uye kugadzira yakazvimirira guruva yekuunganidza nzvimbo yakaparadzaniswa nekunze nharaunda. Izvo zvinhu zvegoko zvinoenderana nehunhu hweiyo flue gasi rinogadziriswa, uye chimiro chegoko hachifanirwe kungove nekuoma kwakakwana, kusimba uye kusimba kwemhepo, asi zvakare funga nezvekudzivirira ngura uye kugadzikana. Panguva imwecheteyo, kusimba kwemhepo yegoko kunowanzo kudiwa kuve isingasviki 5%.
Basa rekuunganidza guruva ndere kuunganidza guruva rakachajwa, uye kuburikidza neiyo inokanganisa vibration meshini, guruva reflake kana guruva rakaita senge guruva rakasungirirwa paplate pamusoro rinobviswa kubva paplate pamusoro uye rinowira mugomba redota kuzadzisa chinangwa. yekubvisa huruva. Iyo ndiro ndiyo chikamu chikuru cheiyo electrostatic precipitator, uye kuita kwemuunganidzi weguruva kune zvinotevera zvakakosha zvinodiwa:
1) Kugoverwa kwesimba remagetsi emagetsi pamusoro peplate yepamusoro inenge yakafanana;
2) Deformation yeplate inobatwa nekushisa idiki, uye ine kuoma kwakanaka;
3) Iine maitiro akanaka ekudzivirira guruva kubva pakubhururuka kaviri;
4) Iyo vibration simba rekufambisa kufambisa kuita kwakanaka, uye iyo vibration yekukurumidza kugovera pane yeplate yepamusoro yakanyanya kufanana, uye kuchenesa mhedzisiro yakanaka;
5) flashover discharge haisi nyore kuitika pakati pe discharge electrode uye discharge electrode;
6) Muchiitiko chekuvimbisa kushanda kwepamusoro, uremu hunofanira kunge huri nyore.
Basa reiyo discharge electrode kugadzira munda wemagetsi pamwe chete neguruva rekuunganidza electrode uye kugadzira corona ikozvino. Inosanganisira cathode line, cathode frame, cathode, chigadziro chekurembera uye zvimwe zvikamu. Kuti uite kuti iyo electrostatic precipitator ishande kwenguva yakareba, zvakanaka uye zvakatsiga, iyo yekuburitsa electrode inofanirwa kuve neanotevera maitiro:
1) Yakasimba uye yakavimbika, yakakwira mechanical simba, inoenderera mutsara, hapana inodonha mutsara;
2) Kuita kwemagetsi kwakanaka, chimiro uye saizi yemutsetse wecathode inogona kushandura ukuru uye kugoverwa kweiyo corona voltage, ikozvino uye yemagetsi kusimba kwemunda kune imwe nhanho;
3) Yakanaka volt-ampere hunhu curve;
4) Simba rekudengenyeka rinoparidzirwa zvakafanana;
5) Chimiro chakareruka, kugadzira nyore uye mutengo wakaderera.
Basa reiyo vibration mudziyo kuchenesa guruva pandiro uye danda mutsara kuti ive nechokwadi chekushanda kwakajairika kweiyo electrostatic precipitator, iyo yakakamurwa kuita anode vibration uye cathode vibration. Vibration zvishandiso zvinogona kukamurwa kuita electromechanical, pneumatic uye electromagnetic.
Iyo mhepo yekuparadzira mudziyo inoita kuti flue gasi mundima yemagetsi igovane zvakaenzana uye inova nechokwadi chekubvisa guruva kushanda kunodiwa nedhizaini. Kana kugoverwa kwemhepo inoyerera mumunda wemagetsi isiri yunifomu, zvinoreva kuti kune nzvimbo dzakakwirira uye dzakaderera dzinomhanya dzeflue gasi mumunda wemagetsi, uye kune mavhuvhu uye makona akafa mune dzimwe nzvimbo, izvo zvichaderedza zvakanyanya kubviswa kweguruva. kunyatsoshanda.
Chigadzirwa chekugovera mhepo chinoumbwa neplate yekugovera uye deflector plate. Basa repureti yekugovera nderokuparadzanisa mhepo yakakura-yakakura pamberi peplate yekugovera uye kuumba mhepo shoma shoma shure kweplate yekugovera. Iyo flue baffle yakakamurwa kuita flue baffle uye yekugovera baffle. Iyo flue baffle inoshandiswa kupatsanura kuyerera kwemhepo munyere kuita tambo dzinoverengeka dzinenge dzakaenzana usati wapinda mu electrostatic precipitator. Iyo yekuparadzira deflector inotungamira iyo yakarerekera kuyerera kwemhepo mumhepo inoyerera perpendicular kune yekuparadzira ndiro, kuitira kuti mhepo inoyerera ipinde mundima yemagetsi yakatwasuka, uye munda wemagetsi kumhepo inoyerera inogoverwa zvakaenzana.
Iyo ash hopper igaba rinounganidza nekuchengetedza guruva kwenguva pfupi, riri pasi peimba uye rakasungirirwa padanda rezasi. Chimiro chayo chakakamurwa kuva mafomu maviri: cone uye groove. Kuti iite kuti guruva ridonhe zvakanaka, Angle pakati pemadziro emadota bhakiti uye ndege yakatwasuka kazhinji isiri pasi pe60 °; Papepa alkali kupora, mafuta-anopisa boilers uye mamwe anotsigira electrostatic precipitators, nekuda kweguruva rayo rakanaka uye viscosity hombe, iyo Angle pakati pemadziro emugomo wedota uye ndege yakachinjika kazhinji isiri pasi pe65 °.
Iyo magetsi emagetsi mudziyo we electrostatic precipitator yakakamurwa kuita yakakwira voltage magetsi ekugadzirisa system uye yakaderera voltage control system. Zvinoenderana nehunhu hweflue gasi uye guruva, iyo yakakwira voltage magetsi ekugadzirisa system inogona kugadzirisa kushanda kwemagetsi eiyo electrostatic precipitator chero nguva, kuitira kuti igone kuchengetedza avhareji yemagetsi yakadzikira zvishoma pane voltage ye spark discharge. Nenzira iyi, iyo electrostatic precipitator inowana yakakwira corona simba sezvinobvira uye kuwana yakanaka yekubvisa guruva maitiro. Low voltage control system inonyanya kushandiswa kuwana zvakaipa uye anode vibration control; Ash hopper kuburutsa, ash transport control; Security interlock uye mamwe mabasa.
Hunhu hwe electrostatic precipitator
Kuenzaniswa nemimwe midziyo yekubvisa, electrostatic precipitator ine simba shoma rekushandisa uye yakanyanya guruva yekubvisa kunyatsoita. Inokodzera kubvisa 0.01-50μm guruva mu flue gasi, uye inogona kushandiswa kune dzimwe nguva ine yakakwira flue gasi tembiricha uye yakanyanya kudzvanywa. Chiitiko chacho chinoratidza kuti kukura kwehuwandu hwegasi hunobatwa, ndiko kuwedzera kwehupfumi mari yekudyara uye kushanda kwe electrostatic precipitator.
Wide pitch horizontalelectrostaticprecipitator tekinoroji
HHD type wide-pitch horizontal electrostatic precipitator ndeyekutsvagisa kwesainzi mhedzisiro yekusuma nekudzidza kubva kwakasiyana siyana matekinoroji, kusanganisa nehunhu hwemaindasitiri emba yekupisa gasi mamiriro, kuitira kuti ienderane nekuwedzera kuomesa gasi kuburitsa zvinodiwa uye WTO musika zviyero. Mhedzisiro yacho yakashandiswa zvakanyanya musimbi, simba remagetsi, simende uye mamwe maindasitiri.
Yakanakisa yakafara spacing uye ndiro yakakosha kumisikidzwa
Simba remunda wemagetsi uye ndiro yazvino kugovera kwakawedzera yunifomu, kumhanya kwekutyaira kunogona kuwedzerwa ne1.3 nguva, uye iyo chaiyo yekupikisa huwandu hweguruva rakaunganidzwa rinowedzerwa kusvika 10 1-10 14 Ω-cm, iyo inonyanya kukodzera kupora. yehupfu yakakwira yakanangana nesarufa mubhedha boilers, itsva simende yakaoma nzira yekutenderera kilns, sintering michina uye mamwe magasi ekupedza simba, kudzikisira kana kubvisa iyo anti-corona phenomenon.
Integral itsva RS corona waya
Hurefu hwepamusoro hunogona kusvika pamamita gumi neshanu, ine yakaderera corona ikozvino, yakakwira corona ikozvino density, simbi yakasimba, isina kumbotyoka, ine yakanyanya tembiricha kuramba, kupisa kwekushisa, yakasanganiswa neyepamusoro vibration nzira yekuchenesa mhedzisiro yakanaka. Iyo corona mutsara density inogadziriswa zvinoenderana nehuruva kusungirirwa, kuitira kuti igone kuchinjika kune guruva muunganidzwa ine yakakwira guruva, uye iyo yakanyanya kubvumidzwa inlet concentration inogona kusvika 1000g/ Nm3.
Corona pole top yakasimba vibration
Zvinoenderana nedzidziso yekuchenesa madota, iyo yepamusoro electrode ine simba vibration inogona kushandiswa mumakanika uye emagetsi sarudzo.
Matanda eyin-yang anorembera akasununguka
Kana tembiricha yegesi yekubuda yakakwira zvakanyanya, muunganidzi weguruva uye corona pole inokura uye ichiwedzera zvisingaite mumativi matatu. Iyo guruva yekuunganidza sisitimu zvakare yakanyatso gadzirwa ine kupisa-inodzivirira simbi tepi yekudzivirira chimiro, iyo inoita iyo HHD guruva muunganidzi kuve nepamusoro-kudzivirira kupisa kugona. Iko kushanda kwekutengesa kunoratidza kuti HHD yemagetsi guruva muunganidzi inogona kumira kusvika ku390 ℃.
Kuwedzera vibration kukurumidza
Kuvandudza maitiro ekuchenesa: Kubviswa kweguruva kweguruva rekuunganidza pole system kunokanganisa zvakananga kuunganidza guruva, uye vazhinji vevanotora magetsi vanoratidza kuderera kwekuita basa mushure menguva yekushanda, izvo zvinonyanya kukonzerwa nekutadza kubviswa kweguruva. guruva rekuunganidza ndiro. Iyo HHD yemagetsi inounganidza guruva inoshandisa yazvino mhedzisiro dzidziso uye maitiro ekuita kushandura yechinyakare flat simbi inokanganisa tsvimbo chimiro kuita chakabatana simbi chimiro. Chimiro chesando yedivi rekuzunguza yeguruva rekuunganidza danda inorerutswa, uye sando inodonhedza link inoderedzwa ne2/3. Kuedza kunoratidza kuti iyo shoma yekumhanyisa kweguruva kuunganidza pole plate inowedzerwa kubva ku220G kuenda ku356G.
Diki tsoka, huremu huremu
Nekuda kweiyo yepamusoro vibration dhizaini ye discharge electrode system, uye kusajairika kwekugadzira kushandiswa kweasymmetrical suspension dhizaini pamunda wega wega wemagetsi, uye kushandisa shell komputa software yeUnited States Environmental Equipment kambani kukwirisa dhizaini, kureba kwese iyo yemagetsi guruva muunganidzi inoderedzwa nemamita 3-5 munzvimbo imwechete yekuunganidza guruva, uye uremu hunoderedzwa ne15%.
High assurance insulation system
Kuti udzivise kudzikisira uye kuputika kweiyo yakakwira voltage insulation zvinhu zve electrostatic precipitator, goko rinotora dhizaini yekupisa yakapetwa kaviri inflatable padenga, kupisa kwemagetsi kunotora yazvino PTC uye PTS zvinhu, uye hyperbolic reverse kuvhuvhuta nekuchenesa dhizaini inogamuchirwa. pazasi pesleeve yekudzivirira, iyo inodzivirira zvachose kukanganisa kunokanganisa kwedova creepage ye porcelain sleeve.
Kufananidza LC yakakwira system
High voltage control inogona kudzorwa neDSC system, yekumusoro komputa mashandiro, yakaderera voltage control nePLC control, Chinese touch screen operation. Yakakwira voltage magetsi emagetsi anotora anogara aripo, yakakwira impedance DC magetsi, inoenderana neHHD yemagetsi guruva rekuunganidza muviri. Inogona kuburitsa epamusoro mabasa epamusoro ekubvisa guruva kushanda zvakanaka, kukunda yakakwira chaiyo kuramba uye kubata yakakwira concentration.
Zvinhu zvinokanganisa mhedzisiro yekubvisa guruva
Iyo guruva yekubvisa mhedzisiro yemuunganidzi guruva inoenderana nezvakawanda zvinhu, senge tembiricha yeflue gasi, chiyero chekuyerera, yekuisa chisimbiso chemuunganidzi weguruva, chinhambwe pakati pendiro yekuunganidza guruva uye zvichingodaro.
1. Kupisa kweflue gasi
Kana tembiricha yegesi yeflue yakanyanya kukwira, iyo corona yekutanga voltage, tembiricha yemunda wemagetsi pa corona pole pamusoro uye spark discharge voltage zvese zvinodzikira, izvo zvinokanganisa kubviswa kweguruva. Tembiricha yeflue gasi yakadzikira, izvo zviri nyore kuita kuti zvikamu zvekudzivirira zviite creepage nekuda kwekudonhedza. Zvikamu zvesimbi zvakasvibiswa, uye gasi reflue rinobudiswa kubva mumagetsi emagetsi ane SO2, iyo inonyanya kukanganisa; Dust caking mu ash hopper inokanganisa kubuda kwedota. Iyo huruva yekuunganidza bhodhi uye mutsara wekorona yakapiswa yakaremara uye yakatyoka, uye mutsara wekorona wakapiswa nekuda kwekuunganidza kwenguva refu madota muhopi yemadota.
2.Velocity yehutsi
Iko kumhanya kweyakanyanya yakakwira flue gasi haigone kuve yakanyanya kukwirira, nekuti zvinotora imwe nguva kuti guruva riise paguruva rekuunganidza danda rechitsuwa mushure mekuchajwa mumunda wemagetsi. Kana iyo flue gasi mhepo yekumhanya yakakwira zvakanyanya, guruva remagetsi enyukireya rinobviswa mumhepo risingagadzike, uye panguva imwecheteyo, flue gas velocity yakakwira zvakanyanya, zviri nyore kukonzera guruva rakaiswa pa. guruva rinounganidza ndiro kuti ribhururuke kaviri, kunyanya kana guruva razungunuswa pasi.
3. Board Spacing
Kana magetsi ekushanda uye nzvimbo uye radius yewaya dzecorona zvakafanana, kuwedzera nzvimbo yemahwendefa kuchakanganisa kugoverwa kweiyo ionic ikozvino inogadzirwa munzvimbo iri pedyo nekorona waya uye kuwedzera mutsauko unogona kuitika panzvimbo, iyo zvinozotungamira mukudzikira kwesimba remagetsi munzvimbo iri kunze kwekorona uye kukanganisa kubviswa kweguruva.
4. Corona Cable spacing
Kana iyo yekushanda voltage, corona radius uye plate spacing zvakafanana, kuwedzera corona line spacing kuchaita kuti kugoverwa kwecorona yazvino density uye kusimba kwemunda wemagetsi kusaenzana. Kana iyo corona line spacing iri shoma pane yakaringana kukosha, iyo mutual shielding maitiro emagetsi minda padyo nekorona mutsara ichaita kuti corona ikozvino iderere.
5. Kuparadzirwa kwemhepo kusina kuenzana
Kana kugoverwa kwemhepo kusina kuenzana, chiyero chekuunganidza guruva chakakwirira panzvimbo ine mhepo yakaderera, chiyero chekuunganidza guruva chakaderera panzvimbo ine high air velocity, uye kuwedzera kwekuunganidza guruva munzvimbo ine yakaderera mhepo velocity ishoma. kupfuura iyo yakaderedzwa guruva yekuunganidza huwandu munzvimbo ine yakakwirira mhepo velocity, uye iyo yakazara guruva yekuunganidza kunyatsoshanda yakaderedzwa. Uye uko kumhanya kwemhepo kunokwira, pachava nechiitiko chekutsvaira, uye guruva rakaiswa pabhodhi rekuunganidza guruva richasimudzwa zvakare muhuwandu hukuru.
6. Air Leakage
Nekuti iyo yemagetsi guruva inounganidzira inoshandiswa kune yakaipa kumanikidza kushanda, kana iyo yekubatanidzwa yegoko isina kuvharwa zvakasimba, mhepo inotonhora inodonhedza kunze, kuitira kuti mhepo inomhanya kuburikidza nekubvisa guruva remagetsi inowedzera, tembiricha yegesi inoderera, iyo inodonha. ichachinja nzvimbo yedova yeflue gasi, uye guruva rekuunganidza rinoderera. Kana mhepo yakadonhedzwa mumhepo kubva kune ash hopper kana ash discharge mudziyo, iyo yakaunganidzwa guruva inogadzirwa uye yobva yabhururuka, kuitira kuti kuunganidza guruva kunyatsoshanda kuderedzwa. Ichaitawo kuti madota anyorove, anamatira kune ash hopper uye anokonzera kuburitsa madota hakusi kutsetseka, uye kunyange kubudisa madota kuvhara. Iyo yakasununguka chisimbiso chegreenhouse inodonhedza mune yakakura tembiricha inopisa madota, izvo zvisingangodzikisi zvakanyanya kubviswa kweguruva, asiwo zvinopisa mitsara yekubatanidza yemhete dzakawanda dzekudzivirira. Iyo ash hopper inoomesawo mugodhi wedota nekuda kwekubuda kwemhepo, uye dota harizobudisi, zvichikonzera kuwanda kwedota muhopi.
Matanho uye nzira dzekuvandudza kugona kwekubvisa guruva
Kubva pakuona kwekubvisa guruva maitiro e electrostatic precipitator, kushanda kwekubvisa guruva kunogona kuvandudzwa kubva pamatanho matatu.
Danho rekutanga : Tanga nekusvuta. Mukubvisa guruva reelectrostatic, kuteya guruva kune hukama nehuruva pachayoparameters : seyakanyanya kupikisa guruva, dielectric inogara uye density, gasi kuyerera mwero, tembiricha uye humidity, iyo voltammetry maitiro emunda wemagetsi uye nzvimbo yepasi pevhu rekuunganidza danda. Guruva risati rapinda mukubviswa kweguruva remagetsi, muunganidzi mukuru weguruva anowedzerwa kuti abvise zvidimbu zvakakura uye huruva inorema. Kana kubviswa kwedutu remhepo kuchishandiswa, guruva rinopfuura nemuparadzi wedutu nekukurumidza, kuitira kuti guruva rine gasi rinodzika richidzika neaxis, simba recentrifugal rinoshandiswa kubvisa zvidimbu zvakakomba zveguruva, uye yekutanga guruva. mundima yemagetsi inodzorwa zvinobudirira. Mhute yemvura inogona zvakare kushandiswa kudzora yakananga kuramba uye dielectric nguva dzose yeguruva, kuitira kuti flue gasi ive nesimba rakasimba rekuchaja mushure mekupinda muunganidzwa weguruva. Zvisinei, zvakakosha kudzora huwandu hwemvura inoshandiswa kubvisa guruva uye kudzivirira condensation.
Danho rechipiri : Tanga nekurapa soot. Nekutapa iyo yekubvisa guruva mukana wekubvisa guruva re electrostatic pachayo, hurema uye matambudziko mukubvisa guruva maitiro e electrostatic guruva muunganidzi anogadziriswa, kuitira kuti inyatso kuvandudza guruva rekubvisa. Matanho makuru anosanganisira anotevera:
(1) Kuvandudza iyo isina kuenzana gasi kuyerera velocity kugovera uye gadzirisa tekinoroji paramita yechigadzirwa chekugovera gasi.
(2) Chengetedza kuvharwa kweguruva rekuunganidza system kuti ive nechokwadi chekuti zvinhu uye ukobvu hweiyo insulation layer. Iyo insulation layer kunze kwemuunganidzi weguruva ichakanganisa zvakananga tembiricha yeguruva rinounganidza gasi, nekuti nharaunda yekunze ine huwandu hwemvura, kana tembiricha yegesi yakadzikira pane dova, inoburitsa condensation. Nekuda kwekumisikidzwa, guruva rinonamatira kuguruva rinounganidza danda uye corona pole, uye kunyange kuzununguka hakugone kuita kuti idonhe. Kana huwandu hwehupfu hwekunamatira hwasvika pane imwe dhigirii, huchadzivirira iyo corona pole kubva pakugadzira corona, kuitira kuti kuunganidza guruva kuderedzwa, uye muunganidzi weguruva wemagetsi haugone kushanda zvakajairwa. Mukuwedzera, iyo condensation inokonzera kuora kwe electrode system uye goko uye bhakiti remuunganidzi weguruva, nokudaro kupfupisa hupenyu hwebasa.
(3) Kuvandudza chisimbiso chehurongwa hwekuunganidza guruva kuti uve nechokwadi chekuti chiyero chekudonha kwemhepo yehurongwa hwekuunganidza guruva iri pasi pe3%. Iyo yemagetsi guruva inounganidza inowanzo shandiswa pasi pekumanikidzwa kwakashata, saka kutarisisa kunofanirwa kubhadharwa pakusunga mukushandiswa kudzikisa kubuda kwemhepo kuve nechokwadi chekushanda kwayo. Nokuti kupinda kwemhepo yekunze kuchaunza zvinotevera zvitatu zvakashata zvinoguma: (1) Kuderedza kupisa kwegasi mumuunganidzi weguruva, zvinokwanisika kubudisa condensation, kunyanya munguva yechando kana tembiricha yakaderera, zvichikonzera matambudziko anokonzerwa iyo condensation iri pamusoro. ② Wedzera mhepo yemhepo yemagetsi, kuitira kuti nguva yekugara yeguruva gasi mumunda wemagetsi ipfupike, nokudaro kuderedza guruva rekuunganidza. (3) Kana paine mhepo inobuda panzvimbo yeash hopper uye panobuditsa madota, mweya unobuda unobuda wakananga guruva ragadzikwa uye wosimudza murukova rwemhepo, zvichikonzera kusimudza huruva kwechipiri, zvichikonzera kuderedzwa kwekuunganidza guruva.
(4) Zvinoenderana nemakemikari ekuumbwa kwe flue gasi, gadzirisa zvinhu zveelectrode plate kuitira kuti uwedzere corrosion resistance yeplate ye electrode uye kudzivirira kupera kweplate, zvichikonzera kupfupika.
(5) Gadzirisa kutenderera kutenderera uye vibration simba re electrode kunatsiridza corona simba uye kuderedza guruva rinobhururuka.
(6) Wedzera simba kana guruva rekuunganidza nzvimbo ye electrostatic precipitator, kureva, kuwedzera munda wemagetsi, kana kuwedzera kana kuwedzera nzvimbo yemagetsi ye electrostatic precipitator.
(7) Gadzirisa maitiro ekutonga uye magetsi emagetsi emagetsi emagetsi. Iko kushandiswa kwema frequency epamusoro (20 ~ 50kHz) yakakwira voltage switching magetsi inopa nzira nyowani yehunyanzvi yekusimudzira ye electrostatic precipitator. Iyo frequency ye-high-frequency high-voltage switching power supply (SIR) ndeye 400 kusvika ku1000 nguva yeyakajairika transformer/rectifier (T/R). Yakajairwa T / R magetsi emagetsi, kazhinji mune yakakomba spark discharge haigone kuburitsa simba rakakura. Kana paine yakakwira chaiyo yekupikisa guruva mumunda wemagetsi uye ichigadzira reverse corona, iyo spark yemunda wemagetsi inowedzera kuwedzera, izvo zvinozotungamira kuderera kwakanyanya kwesimba rekubuda, dzimwe nguva kunyangwe kudzika kusvika makumi eMA, zvichikanganisa zvakanyanya. kuvandudzwa kwekugona kuunganidza guruva. Iyo SIR Yakasiyana, nekuti yayo yakabuda voltage frequency ndeye 500 nguva yeakajairika magetsi emagetsi. Kana iyo spark discharge ikaitika, kushanduka kwemagetsi idiki, uye inogona kuburitsa inenge yakatsetseka HVDC kubuda. Naizvozvo, iyo SIR Inogona kupa yakakura ikozvino kumunda wemagetsi. Kushanda kwemaelectrostatic precipitators akati wandei kunoratidza kuti kubuda kwegeneral SIR Kunodarika ka2 pane yemagetsi emazuva ese eT/R, saka kushanda kweelectrostatic precipitator kuchavandudzwa zvakanyanya.
Nhanho yechitatu: tanga kubva pakupedza gasi kurapwa. Iwe unogona zvakare kuwedzera nhanho nhatu dzekubvisa guruva mushure mekubviswa kweguruva remagetsi, sekubvisa guruva bhegi, inogona kunyatso bvisa zvidimbu zvidiki zveguruva, kuvandudza maitiro ekuchenesa, kuitira kuti uwane chinangwa chekusvibisa. zvinobuda.
Ichi chikamuGD mhando ye electrostatic precipitator tekinoroji yakaunzwa muJapan yekutanga electrostatic precipitator tekinoroji, kuburikidza nekugaya uye kutora kwechiitiko chakabudirira cheindasitiri yepamba, yakagadzira nhevedzano yeGD mhando ye electrostatic precipitator, inoshandiswa zvakanyanya musimbi, indasitiri yekunyungudutsa.
Pamusoro pehunhu hwemamwe marudzi e electrostatic precipitators ine kushomeka kwekushomeka, kuderera kwesimba rekushandisa uye kugona kwakanyanya, iyo GD yakatevedzana ine anotevera mapoinzi:
◆ Mhepo yekugovera chimiro chemhepo inopinza ine dhizaini yakasarudzika.
◆ Kune matatu matatu emagetsi mumunda wemagetsi (kubvisa electrode, guruva rinounganidza electrode, electrode yekubatsira), iyo inogona kugadzirisa polar configuration yemunda wemagetsi kushandura nzvimbo yemagetsi, kuitira kuti ienderane nehuturu hwehupfu hune maitiro akasiyana uye kuwana mhedzisiro yekuchenesa.
◆ negative - positive poles free suspension.
◆ Corona wire: zvisinei kuti tambo yekorona yakareba sei, inoumbwa nepombi yesimbi, uye hapana bhaudhi yekubatanidza pakati, saka hapana kukundikana kuputsa waya.agraph Kuiswa zvinodiwa
◆ Tarisa uye simbisa kugamuchirwa kwepasi pe precipitator isati yaiswa. Isa zvikamu zveiyo electrostatic precipitator zvinoenderana nezvinodiwa zveKuisa mirayiridzo yeiyo electrostatic precipitator uye dhizaini yedhizaini. Sarudza iyo yepakati yekumisikidza base ye electrostatic precipitator zvinoenderana nekusimbisa uye yekugamuchira hwaro, uye shanda senheyo yekuisa yeanode uye cathode system.
◆ Tarisa flatness, column kure uye diagonal kukanganisa kwenheyo ndege
◆ Tarisa magoko, gadzirisa deformation yekufambisa, uye uise iwo layer ne layer kubva pasi kusvika kumusoro, senge boka rekutsigira - pasi danda (yakaiswa madota hopper uye yemagetsi munda wemukati chikuva mushure mekupfuura kuongororwa) - mbiru uye parutivi. wall panel - top beam - inlet and outlet (kusanganisira ndiro yekugovera uye ndiro) - anode uye cathode system - top cover plate - high voltage power supply nezvimwe midziyo. Manera, mapuratifomu, uye njanji zvinogona kuisirwa layer ne layer mukutevedzana kwekuisa. Mushure mekuti imwe neimwe layer yagadzikwa, tarisa uye rekodhi zvinoenderana nezvinodiwa zveKuisa mirairo yeElectrostatic Dust Collector uye dhizaini yedhizaini: semuenzaniso, mushure mekuisirwa flatness, diagonal, column kure, verticality, uye danda kure, tarisa kusimba kwemhepo. yemidziyo, kugadzirisa welding yezvikamu zvisipo, tarisa uye kugadzirisa welding yezvikamu zvisipo.
Electrostatic precipitator yakakamurwa kuita: zvinoenderana negwara rekuyerera kwemhepo yakakamurwa kuita yakatwasuka uye yakatwasuka, zvichienderana nemhando yekunaya kwepango yakakamurwa kuita ndiro uye chubhu rudzi, zvichienderana nenzira yekubvisa guruva pandiro yekunaya yakakamurwa kuita yakaoma. wet type.
Ichi chidimbu Inonyanya kushanda kuIron nesimbi indasitiri: inoshandiswa kuchenesa gasi rekubuda remushini wekunyungudutsa, simbi yekunyungudutsa vira, cast iron cupola, coke oven. Chigadzirwa chemagetsi chemarasha: electrostatic precipitator yenhunzi dota remagetsi anopfurwa nemarasha.
Mamwe maindasitiri: Kushandiswa muindasitiri yesimende zvakare kwakajairika, uye mavhiri ekutenderera uye maomesa emiti mitsva mikuru uye yepakati nepakati pesimende anonyanya kuve nemagetsi anounganidza guruva. Hupfu hwakaita semendi nechigayo chemarasha zvinokwanisa kudzorwa nemagetsi anounganidza guruva. Electrostatic precipitators anoshandiswawo zvakanyanya mukudzoreredza acid fog muindasitiri yemakemikari, kurapwa kweflue gasi mune isiri-ferrous metallurgy indasitiri uye kudzoreredza kweakakosha simbi zvidimbu.h
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