Izvo zvinosvibisa zvinoburitswa zvakanyanya: mhute yepende uye organic zvinonyungudutsa zvinogadzirwa nependi yekupfapfaidza, uye organic zvinonyungudutsa zvinogadzirwa pakuomesa volatilization. Paint mhute inonyanya kuuya kubva kune chikamu chekunyungudutsa chekunyungudutsa mumhepo yekupfapfaidza, uye kuumbwa kwayo kunopindirana nekupfeka kunoshandiswa. Organic solvents anonyanya kubva muzvinonyungudutsa uye diluent mukushandiswa kwejira, mazhinji acho ari emolatile emissions, uye izvo zvinosvibisa zvakanyanya xylene, benzene, toluene zvichingodaro. Naizvozvo, iyo huru sosi yemarara anokuvadza gasi anoburitswa mujasi imba yekupfapfaidza pendi, imba yekuomesa uye yekuomesa.
1. Waste gasi kurapwa nzira yemotokari yekugadzira mutsara
1.1 Kurapa chirongwa cheiyo organic tsvina gasi mukuomesa
Iyo gasi inoburitswa kubva ku electrophoresis, yepakati yekubikira uye pamusoro pekuomeswa kwekamuri yekuomeswa ndeyeyepamusoro tembiricha uye yakakwira marara gasi, iyo inokodzera nzira yekupisa. Parizvino, anowanzo shandiswa marara gasi ekurapa matanho mukuomesa anosanganisira: regenerative thermal oxidation tekinoroji (RTO), regenerative catalytic combustion tekinoroji (RCO), uye TNV kudzoreredza thermal incineration system.
1.1.1 Thermal kuchengetedza mhando yekupisa oxidation tekinoroji (RTO)
Thermal oxidator (Regenerative Thermal Oxidizer, RTO) chishandiso chinochengetedza nharaunda chekudzivirira chepakati nepakati uye chakaderera chinoputika organic tsvina gasi. Inokodzera vhoriyamu yakakwira, yakaderera kusungwa, yakakodzera kune organic tsvina gasi kusungwa pakati pe100 PPM-20000 PPM. Mutengo wekushanda wakaderera, kana iyo organic tsvina gasi iine pamusoro pe450 PPM, RTO mudziyo haudi kuwedzera mafuta ekubatsira; chiyero chekuchenesa chakakwirira, chiyero chekucheneswa kwemubhedha miviri RTO inogona kusvika pamusoro pe98%, chiyero chekuchenesa chetatu yemubhedha RTO inogona kusvika pamusoro pe99%, uye hapana kusvibiswa kwechipiri kwakadai seNOX; otomatiki kudzora, nyore kushanda; kuchengeteka kwakakwirira.
Iyo inodzoreredza kupisa oxidation mudziyo unotora iyo yekupisa oxidation nzira yekurapa yepakati uye yakaderera kuunganidzwa kwemarara egasi, uye ceramic kupisa mubhedha wekupisa kupisa exchanger inoshandiswa kudzoreredza kupisa. Iyo inoumbwa neceramic kupisa kwekuchengetera mubhedha, otomatiki control valve, kamuri yekupisa uye control system. Zvinonyanya kukosha ndezvi: iyo otomatiki yekudzora vharafu pazasi pemubhedha wekuchengetera kupisa yakabatana nepombi huru yekupinda uye pombi yekuburitsa pombi zvichiteerana, uye mubhedha wekuchengetera kupisa unochengetwa nekupisa gasi remarara rinouya mumubhedha wekuchengetera kupisa. neceramic kupisa kuchengetedza zvinhu kutora uye kusunungura kupisa; iyo organic tsvina gasi preheated kune imwe tembiricha (760 ℃) inoiswa oxidized mukupisa kwekamuri yekupisa kuti ibudise kabhoni dhaikisaidhi nemvura, uye inocheneswa. Iyo yakajairwa miviri-mibhedha yeRTO main chimiro chine kamuri imwe inopisa, maviri eceramic packing mibhedha uye mana ekuchinja mavharuvhu. The regenerative ceramic packing bed heat exchanger mumudziyo inogona kuwedzera kupisa kudzoreredza kupfuura 95%; Kwete kana mafuta mashoma anoshandiswa pakurapa organic tsvina gasi.
Zvakanakira: Mukubata nekuyerera kwakanyanya uye kuderera kwegasi remarara, mutengo wekushandisa wakaderera zvakanyanya.
Zvakaipa: yakakwirira-nguva imwe chete yekudyara, yakanyanya kupisa tembiricha, isingakodzeri kurapwa kweiyo organic marara gasi, kune zvakawanda zvinofamba zvikamu, zvinoda mamwe mabasa ekugadzirisa.
1.1.2 Thermal catalytic combustion tekinoroji (RCO)
The regenerative catalytic combustion device (Regenerative Catalytic Oxidizer RCO) inoshandiswa zvakananga kune yepakati uye yakakwirira concentration (1000 mg / m3-10000 mg / m3) organic tsvina gasi kucheneswa. RCO yekurapa tekinoroji inonyanya kukodzera kudiwa kwepamusoro kweyero yekudzoreredza kupisa, asi zvakare yakakodzera kune imwecheteyo mutsara wekugadzira, nekuda kwezvakasiyana zvigadzirwa, marara gasi kuumbwa kunowanzo chinja kana marara gasi rekuisa rinochinja zvakanyanya. Inonyanya kukodzera kudiwa kwekupisa simba kupora kwemabhizinesi kana kuomesa hunde mutsara tsvina gasi kurapwa, uye simba rekudzoreredza rinogona kushandiswa kuomesa hunde mutsara, kuitira kuti uwane chinangwa chekuchengetedza simba.
Iyo regenerative catalytic combustion treatment tekinoroji ndiyo yakajairika gasi-yakasimba chikamu chekuita, inova iyo yakadzika oxidation yeanoshanda oxygen marudzi. Mukuita kwe catalytic oxidation, kushambadza kwepamusoro peiyo catalyst kunoita kuti reactant mamorekuru akafumiswa pamusoro peiyo catalyst. Mhedzisiro yecatalyst mukudzikisa iyo activation simba inomhanyisa iyo oxidation reaction uye inovandudza mwero weiyo oxidation reaction. Pasi pechiito chechaiyo catalyst, organic matter inoitika pasina kupfuta kweoxidation yekupisa pakudzika kwekutanga tembiricha (250 ~ 300 ℃), iyo inoodzwa kuita kabhoni dhaikisaidhi nemvura, uye inoburitsa huwandu hukuru hwesimba rekupisa.
Iyo RCO mudziyo unonyanya kuumbwa nemuviri wechoto, inokonzeresa kupisa kupisa muviri, iyo combustion system, otomatiki control system, otomatiki valve uye akati wandei masisitimu. Mukugadzira maindasitiri, gasi rakaburitswa remhepo rinopinda muvharuvhu inotenderera yemidziyo kuburikidza neiyo induced dhizaini fan, uye gasi rinopinda uye gasi rekubuda rakapatsanurwa zvakazara kuburikidza nevhavha inotenderera. Kupisa kwesimba rekuchengetedza nekutsinhana kwegasi kunoda kusvika kune tembiricha yakatarwa necatalytic oxidation yecatalytic layer; iyo gasi rinopisa rinoramba richipisa kuburikidza nenzvimbo yekupisa (zvichida nemagetsi ekupisa kana gasi rinopisa rinopisa) uye rinochengetedza pakupisa kwakagadzirirwa; inopinda mu catalytic layer kuti ipedze iyo catalytic oxidation reaction, iyo, iyo reaction inoburitsa carbon dioxide nemvura, uye inoburitsa yakawanda yakawanda yekupisa simba kuti iwane yaunoda kurapwa maitiro. Iyo gasi yakakonzerwa neiyo oxidation inopinda muceramic material layer 2, uye simba rekupisa rinobudiswa mumhepo kuburikidza nevhavha inotenderera. Mushure mekucheneswa, tembiricha yekubuda mushure mekucheneswa inongokwira zvishoma pane tembiricha isati yaitwa tsvina gasi kurapwa. Iyo sisitimu inoshanda nguva dzose uye inochinja otomatiki. Kuburikidza nebasa rinotenderera revharuvhu, ese maceramic ekuzadza maseru anopedzisa kutenderera nhanho dzekudziya, kutonhora uye kucheneswa, uye simba rekupisa rinogona kudzoserwa.
Zvakanakira: nyore muitiro kuyerera, compact midziyo, yakavimbika kushanda; kucheneswa kwepamusoro kunyatsoshanda, kazhinji pamusoro pe98%; kupisa kwakadzika kwekushisa; yakaderera mari inoraswa, yakaderera mutengo wekushandisa, kupisa kudzoreredza kunyatsoita kunogona kusvika kupfuura 85%; iyo yose nzira isina kugadzirwa kwemvura yakasviba, nzira yekuchenesa haiburitse NOX yechipiri kusvibiswa; RCO yekuchenesa michina inogona kushandiswa nekamuri yekuomesera, gasi rakacheneswa rinogona kushandiswa zvakare mukamuri rekuomesera, kuzadzisa chinangwa chekuchengetedza simba uye kuderedza kubuda;
Zvakaipa: iyo catalytic combustion mudziyo inokodzera chete kurapwa kwemarara egasi ane yakaderera kufashaira poindi organic zvikamu uye yakaderera madota emukati, uye marara gasi kurapwa kwezvinhu zvinonamira zvakadai sehutsi hwemafuta hazvina kukodzera, uye catalyst inofanira kunge ine chepfu; kuwanda kwe organic tsvina gasi iri pasi pe20%.
1.1.3TNV Recycling type thermal incineration system
Recycling type thermal incineration system (German Thermische Nachverbrennung TNV) iko kushandiswa kwegasi kana mafuta akananga kupisa marara gasi ane organic solvent, pasi pekuita kwekupisa kwakanyanya, organic solvent mamorekuru oxidation decomposition mucarbon dioxide nemvura, iyo yakanyanya tembiricha flue gasi. kuburikidza nekutsigira multistage kupisa kupisa mudziyo wekudziya kugadzirwa kunoda mhepo kana mvura inopisa, yakazara kudzokorodza oxidation kuora kweiyo organic tsvina gasi kupisa simba, kuderedza kushandiswa kwesimba kweiyo system yese. Naizvozvo, TNV system inzira inoshanda uye yakanaka yekubata gasi remarara rine organic zvinonyungudutsa apo maitiro ekugadzira anoda simba rakawanda rekupisa. Kune iyo nyowani electrophoretic pendi yekugadzira tambo yekugadzira, TNV kudzoreredza thermal incineration system inowanzo gamuchirwa.
TNV system ine zvikamu zvitatu: tsvina gasi preheating uye incineration system, inotenderera mhepo yekudziya system uye mhepo nyowani yekutsinhana system. Iyo tsvina gasi yekupisa yepakati yekudziya mudziyo muhurongwa ndiyo yakakosha chikamu cheTNV, icho chinoumbwa nechoto chemoto, kamuri yekupisa, kupisa kupisa, kupisa uye main flue inodzora vharafu. Basa rayo rekushanda nderokuti: nepamusoro-soro musoro fan ichaita organic tsvina gasi kubva muimba yekuomesa, mushure memarara gasi kupisa mukati mekupisa mudziyo wakavakirwa-mukati wekupisa kupisa preheating, kukamuri yekupisa, uyezve kuburikidza nekupisa kupisa, pakupisa kwakanyanya ( anenge 750 ℃) kune organic tsvina gasi oxidation decomposition, kuora kweiyo organic tsvina gasi mucarbon dioxide nemvura. Iyo inogadzirwa yakakwirira tembiricha flue gasi inoburitswa kuburikidza nekupisa exchanger uye hombe flue gasi pombi muchoto. Iyo yakabudiswa flue gasi inopisa mhepo inotenderera muimba yekuomesa kuti ipe simba rinoda kupisa reimba yekuomesa. Chishandiso chitsva chekufambisa kupisa kwemhepo chinoiswa pamagumo ehurongwa kuti udzore kupisa kwetsvina kwehurongwa hwekupedzisira kupora. Mhepo yakachena inowedzerwa nekamuri yekuomesa inopiswa neflue gasi uye yozotumirwa muimba yekuomesa. Uye zvakare, kune zvakare yemagetsi inodzora vharafu pane hombe flue gasi pombi, iyo inoshandiswa kugadzirisa flue gasi tembiricha pakubuda kwechishandiso, uye kuburitsa kwekupedzisira kwekupisa gasi gasi kunogona kudzorwa kunosvika 160 ℃.
Hunhu hwemarara gasi kupisa mukati mekupisa mudziyo unosanganisira: nguva yekugara ye organic tsvina gasi mukamuri yekupisa ndeye 1 ~ 2s; mwero wekuparara kwe organic tsvina gasi inopfuura 99%; chiyero chekupisa chinogona kusvika 76%; uye chiyero chekugadzirisa chekupisa chinobuda chinogona kusvika 26 ∶ 1, kusvika ku40 ∶ 1.
Zvakaipa: kana uchibata yakaderera-yakadzika organic tsvina gasi, mutengo wekushanda wakakwira; iyo tubular heat exchanger inongova mukuenderera mberi kwekushanda, ine hupenyu hurefu.
1.2 Kurapa chirongwa che organic tsvina gasi muimba yekupfapfaidza pendi uye yekuomesa
Gasi rinoburitswa kubva mukamuri yependi yekupfapfaidza uye mukamuri yekuomesera yakadzikira, kuyerera kukuru uye tembiricha yemarara gasi, uye chimiro chikuru chezvinosvibisa zvinonhuhwirira mahydrocarbon, doro ether uye ester organic solvents. Parizvino, nzira yekune dzimwe nyika yakakura ndeiyi: yekutanga organic tsvina gasi kudzikisa huwandu hwese hwegasi tsvina, ine yekutanga adsorption nzira (activated kabhoni kana zeolite seye adsorbent) kune yakaderera kusungwa kwekamuri tembiricha pfapfaidzo pendi yekupedza adsorption, ine tembiricha yepamusoro yekubvisa gasi, yakadzika gasi yekupedza uchishandisa catalytic combustion kana regenerative thermal combustion nzira.
1.2.1 Activated carbon adsorption- -desorption uye kuchenesa mudziyo
Kushandisa muzinga wakabatiswa marasha seadsorbent, Yakasanganiswa nemisimboti yekucheneswa kwe adsorption, desorption regeneration uye kusungirirwa kweVOC uye catalytic combustion, Huwandu hwemhepo, huwandu hwakaderera hwemarara egasi kuburikidza nemuzinga wakaiswa kabhoni adsorption kuzadzisa chinangwa chekuchenesa mweya, Kana iyo activated kabhoni yazara uye yobva yashandisa mhepo inopisa kudzoreredza iyo activated kabhoni, Desorbed yakadzika organic zvinhu inotumirwa kune catalytic combustion mubhedha wecatalytic combustion, Organic nyaya inoiswa oxidized kune isingakuvadzi kabhoni dhaibhorosi nemvura, Iyo yakatsva inopisa inopisa gasi inopisa the mhepo inotonhora kuburikidza neinopisa, Kumwe kubuda kwegasi rekutonhodza mushure mekuchinjana kupisa, Chikamu chekugadzirisazve desorbitory yehuchi yakagadziriswa marasha, Kuzadzisa chinangwa chemarara ekushandisa kupisa uye kuchengetedza simba. Chishandiso chose chinoumbwa nepre-filter, adsorption bed, catalytic combustion bed, flame retardancy, ine hukama fan, valve, nezvimwe.
Activated kabhoni adsorption-desorption yekuchenesa mudziyo wakagadzirwa zvinoenderana nemisimboti miviri yeadsorption uye catalytic combustion, uchishandisa kaviri gasi nzira inoenderera mberi, kamuri rinopisa rinopisa, maviri adsorption mubhedha unoshandiswa zvakasiyana. Chekutanga organic tsvina gasi ine activated kabhoni adsorption, kana kukurumidza saturation inomira adsorption, uye wobva washandisa inopisa kuyerera kwemhepo kubvisa organic zvinhu kubva kune activated kabhoni kuita iyo activated kabhoni kuvandudzwa; iyo organic matter yakamisikidzwa (concentration kakapetwa kakawanda kupfuura yekutanga) uye yakatumirwa kune catalytic combustion chamber catalytic combustion mucarbon dioxide uye mvura vapor discharge. Kana iyo organic tsvina gasi inosvika kupfuura 2000 PPm, iyo organic tsvina gasi inogona kuchengetedza inobvira kupisa mumubhedha unokonzeresa pasina kupisa kwekunze. Chikamu chegasi chinopisa chinopisa chinoburitswa mumhepo, uye yakawanda yacho inotumirwa kumubhedha weadsorption kuitira kuvandudzwa kweiyo activated kabhoni. Izvi zvinogona kusangana nekupisa uye adsorption yesimba rekupisa rinodiwa, kuzadzisa chinangwa chekuchengetedza simba. Iko kuvandudzwa kunogona kupinda kune inotevera adsorption; mu desorption, kucheneswa kuvhiyiwa kunogona kuitwa neimwe mubhedha adsorption, yakakodzera kune ese ari maviri anoenderera oparesheni uye nepakati pekushanda.
Kuita kwehunyanzvi uye hunhu: kuita kwakagadzikana, chimiro chakareruka, chakachengeteka uye chakavimbika, kuponesa simba uye kushanda-kuchengetedza, hapana chechipiri kusvibiswa. Iyo midziyo inovhara nzvimbo diki uye ine uremu huremu. Yakanyatsokodzera kushandiswa muhuwandu hwepamusoro. Iyo activated kabhoni mubhedha iyo inoshambadza organic tsvina gasi inoshandisa gasi remarara mushure mekupisa kutsva kwekubvisa patsva, uye gasi rekubvisa rinotumirwa kune catalytic combustion chamber yekucheneswa, pasina simba rekunze, uye simba rekuchengetedza simba rakakosha. Izvo zvakashata ndezvekuti activated carbon ipfupi uye mutengo wayo wekushandisa wakakwirisa.
1.2.2 Zeolite kutamisa vhiri adsorption- -desorption yekuchenesa mudziyo
Izvo zvikamu zvikuru zvezeolite ndezvi: silicon, aluminium, ine adsorption capacity, inogona kushandiswa se adsorbent; zeolite mumhanyi ndeye kushandisa hunhu hwe zeolite chaiyo aperture ine adsorption uye desorption kugona kune organic zvinosvibisa, kuitira kuti iyo VOC inopedza gasi ine yakaderera concentration uye yakanyanya kudzika, inogona kudzikisa mutengo wekushanda wemashure-yekupedzisira ekupedzisira ekurapa michina. Maitiro ayo emidziyo akakodzera kurapwa kwekuyerera kukuru, kudzika kwakadzika, ine zvakasiyana-siyana zve organic components. Izvo zvakashata ndezvekuti mari yekutanga yakakwira.
Zeolite mumhanyi adsorption-yekuchenesa mudziyo mudziyo wekuchenesa gasi unogona kuramba uchiita adsorption uye desorption mashandiro. Mativi maviri evhiri rezeolite akakamurwa kuita nzvimbo nhatu neakakosha chisimbiso mudziyo: adsorption nzvimbo, desorption (regeneration) nzvimbo uye inotonhorera nzvimbo. Nzira yekushanda yegadziriro ndeyokuti: zeolites inotenderera inotenderera inoramba ichienderera mberi nekumhanya kwakadzika, Kutenderera kuburikidza nenzvimbo yeadsorption, desorption (regeneration) nzvimbo uye nzvimbo inotonhora; Kana iyo yakaderera yekumisikidza uye gale vhoriyamu yekupedza gasi ichiramba ichipfuura nepakati adsorption nzvimbo yemumhanyi, Iyo VOC mumhepo yekuburitsa gasi inoshambadzirwa ne zeolite yevhiri rinotenderera, Direct emission mushure mekushambadza uye kucheneswa; Iyo organic solvent adsorbed nevhiri inotumirwa kune desorption (kuvandudzwa) nzvimbo nekutenderera kwevhiri, Zvino nemhepo diki vhoriyamu yekupisa mhepo inoenderera kuburikidza nenzvimbo ye desorption, Iyo VOC yakashongedzwa kuvhiri inogadzirwa patsva munzvimbo ye desorption, Iyo VOC yekupedza gasi inoburitswa pamwe nemhepo inopisa; Gumbo rekuenda kunzvimbo inotonhorera yekutonhodza kutonhora kunogona kuve zvakare-adsorption, Nekutenderera kunogara kutenderera kwevhiri rinotenderera, Adsorption, desorption, uye kutonhora kutenderera kunoitwa, Iva nechokwadi chekuenderera uye kugadzikana kushanda kwemarara gasi kurapwa.
Iyo zeolite runner mudziyo inonyatso concentrator, uye gasi rekuburitsa rine organic solvent rakakamurwa kuita zvikamu zviviri: mweya wakachena unogona kuburitswa zvakananga, uye mhepo yakadzokororwa ine yakakwira huwandu hweorganic solvent. Mhepo yakachena inogona kuburitswa yakananga uye inogona kudzokororwa mumhepo yakapendwa yekufefetera mhepo; iyo yakakwira yekusangana kweVOC gasi ingangoita gumi nguva dzeVOC yekusungwa isati yapinda muhurongwa. Iyo gasi yakadzika inobatwa nekupisa kupisa kwepamusoro kuburikidza neTNV kudzoreredza thermal incineration system (kana zvimwe midziyo). Kupisa kunoitwa nekupisa ndiko kuomesa kupisa kwekamuri uye zeolite kubvisa kudziyisa zvichiteerana, uye simba rekupisa rinoshandiswa zvizere kuwana mhedzisiro yekuchengetedza simba uye kuderedza emission.
Kuita kwehunyanzvi uye hunhu: chimiro chakareruka, kugadzirisa kuri nyore, hupenyu hurefu hwebasa; kunyura kwepamusoro uye kubvisira kushanda zvakanaka, shandura iyo yekutanga mhepo yakakwira vhoriyamu uye yakaderera yekumisikidza VOC tsvina gasi kuita yakaderera mhepo vhoriyamu uye yakakwira marara gasi, kuderedza mutengo wekupedzisira-yekupedzisira ekurapa michina; kuderera kwakanyanya kuderera, kunogona kuderedza zvakanyanya simba rekushandisa simba; yakazara sisitimu gadziriro uye modular dhizaini, ine shoma nzvimbo inodiwa, uye inopa inoenderera uye isina kurongwa yekudzora maitiro; inogona kusvika pachiyero chenyika chekubudisa; adsorbent inoshandisa isina-kupisa zeolite, kushandiswa kwakachengeteka; iyo yakashata ndeyekudyara kwenguva imwe chete nemutengo wakakwira.
Nguva yekutumira: Jan-03-2023
