Inganda za Coke VOCs Igisubizo Cyuzuye cyo Kuvura

Ibinyabuzima bihindagurika (VOCs) nibyingenzi byabanjirije ibisekuru bya O3, kandi bimwe mubigize bifite kanseri ikomeye. Mu myaka yashize, kwibanda kwa O3 mu kirere cy’ibidukikije ku isi byagaragaje ko bigenda byiyongera uko umwaka utashye, kandi ikibazo cy’umwanda wa O3 kikaba cyaragaragaye cyane, kikaba gifitanye isano rya bugufi n’umubare munini w’ibyuka bihumanya ikirere. Mu masoko menshi ya VOCs yanduye, umusaruro wa kokiya nimwe mumasoko yingenzi yanduye. Muri gahunda yo kubyara umusaruro wa kokiya, ikibazo cyo kohereza imyuka ya gaze ya VOCs kiragaragara cyane, hamwe n’amasoko menshi y’ibyuka bihumanya ikirere, imyanda ihumanya n’uburozi bwinshi, ibyuka bihumanya hamwe n’ibindi biranga, umwanda ukabije w’ibidukikije. Urebye uburyo bwo gutunganya imyanda ya VOKs ya kokisi, ibigo bireba byagerageje no gukora ubushakashatsi, ibisanzwe ni "uburyo bwo gukaraba ibyiciro bitatu + gukurura (gukuramo) bifatanye" inzira, gukaraba ibyiciro bitatu + inzira ya RTO, gufunga azote + uburyo bwo kugarura umuvuduko mubi, gutwika imyanda hamwe nubundi buryo bwo gutunganya. Hamwe n’isohoka rya "Ibinyabuzima bihindagurika by’imyuka ihumanya ikirere ku nganda z’inganda", "" Inganda zangiza inganda zangiza imyanda ihumanya ikirere "hamwe n’izindi politiki, imicungire ya VOKs yihutirwa cyane, ukurikije ibiranga VOCs isohora gaze mu buryo butandukanye kugira ngo ikore ubuvuzi bwimbitse, kugira ngo igere ku mahame arambye kandi ahamye ni ikibazo cyihutirwa ku mishinga.

Isesengura ryamasoko yingenzi ya VOC muruganda rwa kokiya

VOC mu nganda za kokiya zikomoka cyane cyane mubikorwa byo kugarura umusaruro w’imiti: isoko nyamukuru y’umwanda w’ingoma ikonje ni umuyoboro w’isohoka wa tar, ammonia n’ibindi bigega byabitswe, cyane cyane utanga benzo [a] pyrene, hydrogen cyanide, fenol, naphthol, hydrocarubone, amoniya, hydrogène sulfide, n’ibindi bintu nyamukuru byangiza imyanda ya desulfurisiyasi ni ibikoresho bya desulfurisiyasi ni ibikoresho bya desulfurisation. ammonia na hydrogen sulfide. Inkomoko nyamukuru y’umwanda w’igice cya ammonium sulfide ni ibikoresho byo kumisha ammonium sulfide, ibisubizo bya ammonium sulfide, ibigega byo kubika amoniya, n’ibindi, cyane cyane bitanga ibintu byangiza, amoniya, n’ibindi. n'ibintu byangiza, byaka kandi biturika. Bitewe ninzira ndende kandi igoye yinganda za kokiya, ibice bya VOC biratandukanye kandi biragoye gukusanya no gucunga. Mubisanzwe, ikigega cyo kubikamo gifite umwuka mwiza hamwe na ogisijeni nkeya bifata inzira mbi yo kugarura umuvuduko;

Kubera ubwinshi bwa ogisijeni, gaze ikwirakwiza ntishobora kwinjira muri sisitemu yo kugarura gaze, bityo rero ikaba ivurwa ahanini nuburyo bwo gukusanya ibintu hamwe no kugaruka hagati yo gutwika ifuru ya kokiya cyangwa gutwika okiside. Gukwirakwiza intera ndende ya VOCs imyanda ifite ibibazo nkumuvuduko muke na naphthol muri gaze yimyanda biroroshye gutobora no guhagarika umuyoboro. Muri iki gihe, birakwiye kubaka gutwika ukundi.

Xinjieyuan Ikoranabuhanga VOCs Kuvura Byuzuye Ibisubizo

Mubikorwa byose bya kokiya, kugarura umusaruro wimiti naya mahugurwa atanga VOC nyinshi, cyane cyane mukarere gakira birakomeye, bityo imicungire ya VOCs yibiti byokunywa yibanda cyane cyane mugusubirana. Hano hari ibikoresho byinshi bigira uruhare mukugarura, kandi gaze ya gaze ya tanki itandukanye ihuzwa nikirere, bikavamo impumuro ikomeye. Amoniya, tar, naphthalene, fenol, cyanide, hydrocarbone ya metani nibindi bintu bizahungira mu kirere, cyane cyane benzene, hydrogen sulfide n’ibindi bintu, ariko kandi bifite uburozi bukomeye, kwanduza ibidukikije, bigira ingaruka zikomeye ku bidukikije n’ubuzima bw’abakozi bakikije. Xinjieyuan VOCs ibisubizo byuzuye byokuvura, ukurikije uruganda rwa cokisi rwokunywa kokiya, gutunganya gazi no kugarura umusaruro wimiti, kubika ibicuruzwa, gutunganya amazi mabi ya fenol cyanide gutunganya ibintu bitandukanye biranga VOCs hamwe n’ahantu hasohokera biratandukanye, Gahunda yo gutunganya VOCs yasohowe na sisitemu y’umusaruro w’imiti igabanijwemo uburemere bwuzuye bwo kugarura ingufu, gutwarwa na gasutamo ya tekinike ya VOC ibisubizo.

Inzira yuzuye yuzuye yo kugarura imbaraga (gaze ya gaze ya ogisijeni)

Gazi yakusanyirijwe hamwe nubushyuhe bwiza, umwuka wa ogisijeni muke hamwe n’agaciro kongerewe cyane, nkigice cyingoma ikonje, igice cya benzene hamwe nigice cyo kubikamo amavuta, kivurwa numunara wo gukaraba amavuta muri buri gace, hanyuma ugafungwa na azote hanyuma ugasubira muri sisitemu ya gaze kumuvuduko ukabije. Iyi nzira isaba ingaruka nziza yikigega, kugirango umwuka utoroshye kwinjira mukarere k’umuvuduko mubi, ushobora kugenzura neza umwuka wa ogisijeni uri muri gaze.

Ihame ry'akazi: Ubwa mbere, igikoresho gifunga azote gifunze kandi gifunze gishyirwa kuri tank ifunze. Iyo ikigega kiri mu bikoresho no hanze yacyo, icyuma gifunga azote gikoreshwa mu gutanga azote no gusohora azote, kandi igice cya gaze umurizo gisohoka hamwe na gaze ya azote. Huza ikigega gifunze cyo kurekura na sisitemu mbi yumuvuduko, shyiramo igikoresho cya micro negative pressure oxyde igenzura imbere yumufana, ushyireho igitutu runaka, gusa unyunyuze gaze ya gaze isohoka muri tanki muri sisitemu mbi, ariko ntabwo ogisijeni nyinshi muri sisitemu mbi yumuvuduko mugihe umuvuduko wabafana uhindutse, bityo bigatera umutekano muke.

Ikoranabuhanga rya azote rikoreshwa cyane cyane mugushiraho ibigega mukarere k'ibigega. Azote ikoreshwa mukuzuza umwanya wa gaze muri tank mugihe urwego rwamazi yo muri tank yagabanutse cyangwa ubushyuhe bukagabanuka. Mu kuzuza ikigega na azote hejuru yurwego rwamazi, uburyo bwamazi burabuzwa gukomeza guhora gazi kandi guhunga gazi yo hagati birabujijwe. Iyo urwego rwo kugaburira ikigega ruzamutse cyangwa ubushyuhe bukazamuka, umuvuduko wa gaze mu kigega urazamuka, indangururamajwi ya azote irakinguka kandi azote irahunga, kugirango igumane uburemere bwikigega. Ikigega cyo kubika kimaze gufungwa na azote, kirashobora kugabanya neza imyuka ihumanya ikirere. Umwanya wa gaze muri tank ni uruvange rwa gaze yaka na azote, bitazakora imvange ya gaze iturika. Irashobora guteza imbere umutekano w’umushinga, kugabanya itangazamakuru ryangiza kandi ryangiza aho rikorera, kandi rikarengera neza ibidukikije no kubungabunga ubuzima bwumubiri nubwenge bwabakozi. Muri icyo gihe, ubwinshi bwa gaze ya gaze yinjijwe muri sisitemu ya gaze hakoreshejwe uburyo bwo gufunga azote ni nto cyane (umubare ntarengwa uri munsi ya 1000m3), kandi ntabwo bizagira ingaruka mbi ku muyoboro wa gazi.

Inzira

. Ukurikije uburebure bw'umuyoboro uva mu kigega ukajya kuri micro mbi yumuvuduko ukabije wa ogisijeni igenzura imbere ya blower, hamwe nuburebure butandukanye bwumuyoboro hamwe nuburwanya butandukanye, hindura imiyoboro yikigega gisohora icyambu nkigiciro cyagenwe hamwe nurwego rwo gufungura valve kuri tank; . . guswera. Umwuka wa gaze wasubijwe urashobora guca gusa kashe y'amazi kugirango ukore sisitemu ya vacuum, kandi ugumane imiyoboro ya gaze yangiza. Umwuka wamazi utwarwa na gaze yegeranye kuri baffle kugirango winjire mu muyoboro ugaruka hanyuma usubire muri sisitemu yo gufunga amazi. Umwuka wamazi amwe azanwa muri gaze na gaze, birakenewe rero gukoresha umuyoboro wongeyeho amazi kugirango uburebure bwa kashe yamazi. Inzira yose ntigisohoka, nta kumeneka, umutekano kandi wizewe, kandi mubyukuri itahura uburyo bwo gutunganya imyuka ya gaze ya gaze ya gaze. Kunywa kwa buri kigega byashyizwe kuri -100 ~ 0Pa, kandi guswera kwa buri kigega bigashyirwaho ukurikije uburebure, kalibiri hamwe n’umuvuduko w’umuyoboro. Ikigega cyashyizwemo na azote ifunguye kandi ifunze na valve ya azote isohoka, kandi umuvuduko wumufana uhindurwa numugenzuzi uhindura inshuro. Kunywa byahinduwe na valve igenzura kuri buri ngingo kugirango harebwe ko gaze itazahungira mu kirere, kandi icyarimwe, irashobora kwemeza ko ibiyobya bihagije bikomeza. Inzira itoranya ibikoresho bifite urwego rwo hejuru rwo kwikora, kandi ikimenyetso gihujwe na sisitemu yo kugenzura hagati yicyumba cyo kugenzura hagati y’umusaruro w’imiti, ukorwa n’abakozi bo mu cyumba cy’ubugenzuzi bukuru nta wongeyeho abandi bakora. Mu rwego rwo gukumira imiyoboro ihagarikwa, hashyirwaho umuyoboro w’isuku w’amazi ku muyoboro wo gukusanya gaze, kandi isuku ikorwa buri gihe. S155gg

Ibyiza byo gutunganyirizwa: VOCs inzira mbi yo kugarura umuvuduko wogutezimbere yakozwe na tekinoroji ya Xinjieyuan nta gace k'ubutaka, igiciro gito cyo gushora no gukora, kuvura neza, ibyuka bihumanya ikirere, hamwe na VOC yagaruye ibicuruzwa, ammonia na benzene birashobora guhinduka mubindi bicuruzwa nyuma yo kubyazwa umusaruro binyuze munzira nkumunara wo gukaraba benzene, kuzamura iterambere ryubukungu no kuzamura ubukungu bwuruganda.

Gusohora ubwoko bwangiza imyuka ya gaze yo gutwika (gaze ya ogisijeni nyinshi)

Muri ubu buryo, VOCs isohora gaze irimo ogisijeni nyinshi hamwe n’agaciro kiyongereye mu gice cya desulfurizasi hamwe n’igice cya ammonium sulfide cyinjijwe muri sisitemu y’umuvuduko mubi w’itanura rya kokiya kuko gukwirakwiza ikirere kugira uruhare mu gutwika itanura rya kokiya kandi ibice bya VOC birahinduka okiside kandi birangirika.

Ihame ry'akazi: Gazi yakusanyirijwe hamwe irimo ogisijeni nyinshi hamwe n’agaciro kiyongereye mu gice cyo kugarura umusaruro w’imiti yinjizwa mu ziko ryaka nkikwirakwizwa ry’umwuka nyuma yo gukaraba aside, umunara wo gukaraba alkali n'umunara wo gukaraba amazi, kugira ngo ugere ku ntego ya okiside yuzuye no kubora VOC. Kugeza ubu, ibyinshi mu bigo byokunywa kokiya byashyizeho ibikoresho bya kokiya ya fu ya gaz ya desulfurizasi nogukoresha, iki gice cya dioxyde de sulfure, okiside ya azote kizakurwa mubikoresho bya desulfurizasi na denitration, birashobora ahanini kugera kuri zeru zanduye zivura VOCs. Mu rwego rwo kubungabunga umutekano, hashyirwaho icyuma gipima umuriro mbere yuko gazi isohoka igaburirwa mu ziko rya kokiya kugira ngo itwike, ishobora gukurikirana ihinduka ry’ibice byaka kandi biturika muri gaze ya gaze mu gihe nyacyo kandi ikohereza ikimenyetso muri sisitemu yo kugenzura DCS. Iyo ibice bigize intumbero bigeze kumipaka yagenwe, impuruza ya DCS ihita ifungura ikirere cyo gukwirakwiza ikirere; Iyo ibice byibumbiye bigeze kumupaka wo hejuru, valve yikora mumatanura ya kokiya iracibwa kugirango umutekano wibikorwa.

Ibyiza byo gutunganya

(1) Kugabanya ikiguzi cyishoramari ryubwubatsi ukoresheje ifuru yambere ya kokiya nkigikoresho cyo gutwika; . (3) Umutekano mwinshi, urwego rwo hejuru rwo kwikora, urashobora kubona ko utitabiriwe; .

Rotary regenerative yigenga yo gutwika (RTO)

Uburyo bwo gutwika nuburyo bwo kweza imyanda kama (VOC) uburyo bunoze, bwamenyekanye ninganda zitandukanye. Regenerative Thermal Oxidizer (RTO), izwi kandi nk'umuriro utwika. Ikoranabuhanga ni ubwoko bwuburyo bwo gutwika, kubika ubushyuhe, kwinjiza okiside yumuriro muri bumwe mu buhanga bwo kweza VOCs.

Ihame ryakazi: Koresha imiyoboro hamwe nubushake bwabafana kugirango ukusanye gaze ya gazi ihunze hafi, kandi gaze ya gaz ya buri nzira ishyirwa mubikorwa byo gukaraba no kwitegura. NH3 muri gaze isohoka yogejwe namazi yinjira muminara yikuramo hanyuma igakorana na H2SO4 mumazi yo kwinjiza, hanyuma amazi yinjira muminara yikuramo asohorwa mumababi yinzoga ya nyina ya sulfide ya amonium. Mu munara wo gukaraba wa alkali, igisubizo cya NaOH gikoreshwa mu gukurura H2S, HCN hamwe n’indi myuka ya acide muri gaze ya gaze, kandi amazi yinjira mu munara wo gukaraba wa alkali asohoka mu kigega cy’ibikoresho bisobanurwa. Nyuma yo gukaraba imyanda igice cyo gukuramo umunyu, ibice byumunyu muri gaze yimyanda; Gazi isohoka ikusanyirizwa mu muyoboro wa gazi isohoka nyuma yo gukaraba, hanyuma ikoherezwa mu gutandukanya gaze-yamazi na feri ya relay kugirango itandukane na gaze. Nyuma yuruhererekane rwo kwibanda kumurongo hamwe nigitutu / kugenzura mugikorwa, umushinga wingenzi watumijwe woherezwa mububiko bwubushyuhe bwigenga bwigenga (RTO) kugirango bivurwe neza na gaz, hanyuma amaherezo bigere kubisohoka bitagira ingaruka.

Ibyiza byo gutunganya

. . . . (5) Ubwoko bwa rotary valve sisitemu ya RTO yashyizeho ingamba 30 zumutekano, kuva mumuzi kugirango ikureho umutekano; (6) Urwego rwohejuru rwo kwikora, sisitemu yose irashobora kumenya imikorere yikora, itagenzuwe.

Ikibazo cyo gutunganya VOC mumahugurwa yo gutunganya amakara umushinga wo gutunganya imyanda

Uburyo bwambere bwo gutunganya imyanda iva muri desulfurizasiya, sulfate ya ammonium hamwe nu mwanya wo gukuramo umunyu mu mahugurwa y’umusaruro w’imiti ni ugukusanya kimwe hanyuma ukinjira mu gukaraba aside no munzu yo gukaraba ya alkali yo gukaraba, hanyuma ukayohereza mu ziko rya kokiya kugirango bivangwe kandi bitwike. Urebye uko ibintu bigenda byiyongera cyane kurengera ibidukikije, uburyo bwambere bwo kuvura bwarushijeho kunanirwa guhaza ibikenewe VOCs byimbitse. S19joe

Nyuma yigihe cyo kwerekana no gukora iperereza, isosiyete yacu yafashe inzira ihuriweho yo gukaraba ibyiciro byinshi byo gukaraba + gazi-isukari itandukanya + kubika ubushyuhe bwo kubika ubushyuhe bwigenga bwo gutwika (RTO) hashingiwe ku nyungu zuzuye za kera. Umwuka wa gazi ya buri nzira urakaraba kandi ugashyirwa mubikorwa. NH3 muri gaze isohoka yogejwe namazi yo kwinjiza muminara yikuramo kandi igakorana na H2SO4 mumazi yo kwinjiza. Amazi yinjira muminara yikuramo asohoka mumatungo yinzoga ya nyina igice cya ammonium sulfide. Mu munara wo gukaraba wa alkali, igisubizo cya NaOH gikoreshwa mu gukurura H2S, HCN hamwe n’indi myuka ya acide muri gaze ya gaze, kandi amazi yinjira mu munara wo gukaraba wa alkali asohoka mu kigega cy’ibikoresho bisobanurwa. Nyuma yo gukaraba imyanda igice cyo gukuramo umunyu, ibice byumunyu muri gaze yimyanda; Gazi isohoka ikusanyirizwa mu muyoboro wa gazi isohoka nyuma yo gukaraba, hanyuma ikoherezwa mu gutandukanya gaze-yamazi na feri ya relay kugirango itandukane na gaze. Nyuma yuruhererekane rwo kwibanda kumurongo hamwe nigitutu / kugenzura mugikorwa, umuyoboro wingenzi watumijwe woherezwa mububiko bwumuriro bwigenga (RTO) kugirango bivurwe neza. VOCs≤20mg / Nm3 (hydrocarubone itari metani yose) nyuma yo guhinduka; NOx≤35mg / Nm3; SO2≤15mg / Nm3; Ikintu cyihariye ≤10mg / Nm3; NH3≤5mg / Nm3; H2S≤0.5mg / Nm3; HCN≤0.5mg / Nm3, yujuje byuzuye ibisabwa byujuje ubuziranenge bw’imyuka ihumanya ikirere ku nganda z’inganda, imyuka ihumanya ikirere y’inganda zikomoka ku nganda zikomoka ku nganda zangiza imyanda ihumanya ikirere, kandi ifite ibyiza byo kuyikuraho cyane, kubaka bike no gukoresha amafaranga, umutekano no kwiringirwa.