Umhlinzeki We-GFS Biogas Storage Tank Wamaphrojekthi E-Anaerobic Digester
Kwadalwa ngo 09.02
Umhlinzeki Wezingcingo Zokugcina I-Biogas Ye-GFS Yemiklamo Ye-Anaerobic Digester
Umhlinzeki we-GFS biogas storage tank uhlinzeka nge-digester shell, isembozo esingavuzi gesi kanye nomngcele wengcindezi ephansi njengephakethe elilodwa. I-shell yenziwe nge-glass-fused-to-steel, amaphaneli ashiswa ku-820 kuya ku-930 °C ngesendlalelo se-enamel esingu-0.25 kuya ku-0.45 mm elinganiselwa ngaphezu kwe-3,450 N/cm², ihlolwe nge-spark ku-1500 V DC iphaneli ngayinye, futhi ibekezelela i-pH 1 kuya ku-14 ngenxa ye-sulfide kanye nokuphazamiseka kwe-pH kwegesi ye-digestion. Igesi ihlala ngaphansi kwesembozo esiguquguqukayo se-double membrane ngaphakathi kwebhendi engu-±3 kuya ku-5 kPa ene-relief valve kanye ne-flame arrester, ngakho umkhumbi uhlala uyi-atmospheric storage hhayi umngcele wengcindezi. Impilo yokuklama yiminyaka engu-30 noma ngaphezulu.
Ukuthola i-digester kuhlukile ekutholeni ithangi lamanzi. Umthengi udinga umkhumbi ogcina uketshezi ezingeni lokushisa lebhayoloji, ogcina igesi ngengcindezi ephansi kodwa elawulwayo, futhi oxhumana nesishisi, injini noma i-flare engasisebenzisi ngaso sonke isikhathi esikhiqizwa yi-reactor. Lapho izitshalo zikhetha umhlinzeki wethangi lokugcina i-biogas le-GFS, umbuzo obuzwayo awuvamisile ukuthi ithangi eliboshiwe lingakwazi yini ukugcina amanzi. Kungukuthi umhlinzeki uyakuqonda yini ukuxhumana kwenqubo: isikhathi sokugcina, umkhiqizo wegesi, uhlelo lokumboza, kanye namadivayisi okuphepha agcina uphahla oluguquguqukayo lusemthethweni futhi luphephile. Le ndatshana ihlanganisa lokho okufanele kufakwe kuhlelo lomhlinzeki nokuthi ungafunda kanjani isiphakamiso.
Ukufunda imingcele yenqubo
Umhlinzeki othembekile ucela inqubo ngaphambi kokusho intengo yensimbi. Izinombolo zokuqala yi-feed: uhlobo, umthamo wansuku zonke, i-COD noma i-volatile solids loading, okuqukethwe kwezinto eziqinile. Kulokho kuvela isikhathi sokugcinwa kanye nezinga lokushisa lokusebenza, okuvamise ukuba yi-mesophilic ku-35 kuya ku-38 °C ku-sludge kamasipala noma i-digester ye-food wastewater, nesikhathi sokugcinwa kwe-hydraulic esingaba izinsuku ezingama-20 kuya kwezingama-30. Bese kufika igesi: umthamo we-biogas olindelekile ngosuku, otholakala ku-loading yakho siqu esikhundleni senombolo eyisisekelo, kanye nesidingo esincane esizinzile se-burner noma injini ezoyisebenzisa. Umehluko phakathi kwalokhu kokubili yilokho okufanele kumuncwe yikhava kanye nohlelo lokukhulula.
I-Hydrogen sulfide ilandela okuphakelayo. I-Enamel ibekezelela i-sulfide kulo lonke uhla lwayo lwe-pH, ngakho ithangi alisona isithiyo, kodwa i-desulfurisation kanye ne-gas train kusamele kulinganiswe umthwalo ophezulu womfudlana ocebile ngamaprotheni. Izinga lokushisa libalulekile kolunye uhlangothi futhi: i-digester esebenza ngokushisa okuphezulu, noma ethola i-effluent yezimboni eshisayo, inciphisa isikhathi sokusebenza kwe-lining futhi kufanele ihlolwe ngaphambi kokuba amaphaneli asikwe.
Umkhumbi kanye nekhava njengomkhakha owodwa
Igobolondo lomoya, isembozo siwumngcele wegesi. Igobolondo lensimbi elihlanganiswe nengilazi elivela kumaphaneli angaba ngu-1.2 m ububanzi, eliboshwe ngamabhawodi ezinga le-8.8 kanye nama-gasket e-EPDM, lihambisana kahle ne-digester ngoba umugqa we-enamel ubhekana ne-sulfide kanye nokushintsha kwe-pH kuyilapho ifomethi eboshiwe igcina umsebenzi wendawo mncane. Ungqimba lwe-enamel lukhulu ngo-0.25 kuya ku-0.45 mm futhi lukalwa ngaphezu kuka-3,450 N/cm², iphaneli ngayinye ihlolwa nge-spark ngo-1500 V DC ngaphambi kokuthunyelwa, futhi ubuso bunobukhulu obungaphansi kuka-Ra 0.8 µm.
Phezu kwegobolondo kuhlala umgogodla womoya. Isembozo se-membrane ephindwe kabili sibeka umngcele we-biogas ku-membrane yangaphakathi cishe ku-2 kuya ku-3 kPa kanye nomthwalo wesimo sezulu ku-membrane yangaphandle, kanti lonke uhlelo lubanjwe kubhendi engu-±3 kuya ku-5 kPa nge-valve yokukhipha umfutho kanye ne-flame arrester ku-manifold yophahla. Yingakho imininingwane yomphetho, i-nozzle yegesi kanye nezimbobo zamathuluzi kuwumdwebo owodwa: i-cover anchor, isethingi yokukhulula, i-vacuum breaker kanye ne-pressure transmitter konke kuhla emaphethelweni afanayo ethangini elifanayo.
Incazelo Yezobuchwepheshe
Ipharamitha | Inani Elijwayelekile / Ibanga | Inothi |
Ikilasi lomkhumbi | umkhathi / ingcindezi ephansi | Akusona umngcele womkhumbi wengcindezi |
Ingcindezi yegesi yokusebenza | ±3–5 kPa | I-membrane yangaphakathi ~2–3 kPa ngokwejwayelekile |
Izinga lokushisa lokushiswa kwe-enamel | 820–930 °C | Ingilazi ihlanganiswe kuphela lensimbi |
Ubukhulu bongqimba lwe-enamel | 0.25–0.45 mm | Kukalwa ngaphezu kuka-3,450 N/cm² |
Ukuhlolwa nge-spark | 1500 V DC | Ngepaneli ngayinye ngaphambi kokuthunyelwa |
Ukubekezelela i-pH | 1–14 | Ukubekezelela i-sulfide kanye nokuphazamiseka kwe-pH |
Izinga lokushisa lokusebenza | mesophilic 35–38 °C | HRT izinsuku ezingama-20–30 ngokujwayelekile |
Isivuno segesi esijwayelekile | 0.5–0.6 m³ i-biogas/kg i-VS esusiwe | Inkomba yodaka lukamasipala |
Ububanzi bephaneli namabhawudi | ~1.2 m amaphaneli, amabhawudi e-8.8-grade | Amalunga e-flange e-gasket ye-EPDM |
Ukuvikelwa kwesembozo | i-valve yokukhulula ingcindezi, isivimbeli somlilo, isihlukanisi se-vacuum | Ku-manifold yegesi yophahla |
Okukqukethwe isiphakamiso esiphelele
Buza umphakeli ukuthi abeke lokhu okulandelayo ngokubhaliwe futhi aqhathanise iziphakamiso nohlu. Ukubalwa kwenqubo okubonisa umthamo wokusebenza osebenzayo kanye nesikhathi sokugcina esisuselwa kulokho. Ububanzi bethangi, ubude kanye nokuhlelwa kwamapuleti egobolondo. Uhlelo lokufaka ulwelwesi kanye nezinga lokushisa lokushisa, ukujiya kwe-enamel kanye nenqubo yokulungisa. Irekhodi lokuhlolwa kwenhlansi ngepaneli ngayinye kanye nemibiko yokuhlolwa kwezinto. Ukuhlelwa kwesembozo kanye nokucaciswa kolwelwesi lwangaphakathi nolwangaphandle, ukuhlelwa kokukhipha umoya esikhaleni, kanye nereferensi yomthwalo wophahla. Umdwebo we-manifold yophahla obonisa indawo yokuphuma kwegesi, isethingi yevalvu yokukhulula, indawo yesivikelo somlilo kanye nensimbi yokucindezela. Ukuhlelwa kokuxuba kanye nokuminyana kwamandla kwayo. Uhlu lomphetho, i-nozzle kanye ne-interface yensimbi. Umthwalo wesisekelo kanye nenani lokuhlala elivunyelwe. Inqubo yokuhlanganisa kanye ne-torque yebhawodi. Kanye nobubanzi bokusebenza, okuhlanganisa ukuhlolwa kwamanzi asemkhathini kanye nokuqondisa kokugcwalisa kokuqala.
Uhlangothi lwezebhizinisi lucacile uma ubukhulu bukhethiwe. Amaphaneli athunyelwa njengamakhontheyna noma i-breakbulk, ithimba lesizinda lihlanganisa igobolondo, bese isembozo sifakwa ekugcineni. Izizinda ezikude noma eziqala ukusebenza ngezigaba zisizakala kakhulu ngefomethi eboshiwe, ngoba enye i-digester ingengezwa kamuva ngaphandle kokuphazamisa esebenzayo.
Icala Lomklamo
Umklamo | Indawo | Umkhiqizo | Umthamo | Ubukhulu bomsebenzi |
Uhlelo lokwelashwa kwe-anaerobic, amanzi angcolile okucubungula usoya | I-Hebei, eChina | Ama-digester e-GFS anesembozo esingavuzi igesi | kuya ngomklamo | Ukunikezwa kwengxenye ye-EPC anaerobic + ukugadwa |
Isitoreji samanzi angcolile asebhulawini | I-Sichuan, eChina | Ithangi le-GFS | 14,655 m³ | ukuhlinzeka, ukugcinwa kwamanzi angcolile |
Uhlelo lwethangi lokungcola kwezimboni, amayunithi angu-27 | Xinjiang, China | Ithangi le-GFS | 30,469 m³ | ukuhlinzeka + ukugada |
Amandla Obunjiniyela be-Center Enamel
I-Center Enamel (Shijiazhuang Zhengzhong Technology Co., Ltd) isungule futhi yakha amathangi okugcina aboshwe ngezibophezelo kusukela ngo-2008. Njengomkhiqizi wokuqala wamathangi e-glass-fused-to-steel (GFS) eChina, inkampani inamalungelo obunikazi acishe abe ngu-200 ahlobene ne-enamel, ikhiqiza cishe amapuleti ensimbi ehlanganiswe ne-enamel angu-300,000 ngonyaka, isiqedile imisebenzi efakiwe engaphezu kuka-30,000 futhi ihlinzeka ngamathangi ayo emazweni angaphezu kwe-100. Isizinda esisha sokukhiqiza esingu-150,000 m² sengezwe ukuze kunyuswe amandla okukhiqiza, futhi amathangi angawodwa ahlinzekwa afinyelela ku-60,000 m³. Ukukhiqiza kusebenza ngaphansi kwe-ISO 9001 ne-ISO 45001, ngesitifiketi somkhiqizo esihlanganisa i-NSF/ANSI 61, WRAS, FDA, LFGB, CE (EN 1090), ISO 28765, FM, BSCI ne-EUROCODE, futhi ukwakhiwa kubhekiselwa ku-AWWA D103-09, AWWA C550 ne-NFPA lapho uhlelo ludinga khona.
Ekugcinweni kwe-biogas lokhu kuhlanganisa igobolondo le-digester, isembozo esingangeni umoya esine-membrane ephindwe kabili esine-roof manifold, kanye ne-mesophilic process interface enquma umthamo kanye nebhendi yengcindezi.
Imibuzo Evame Ukubuzwa
Umbuzo 1: Yini okufanele ngiyithumele kumhlinzeki ngaphambi kwesilinganiso sentengo?
Impendulo 1: Uhlobo lokudla kanye nomthamo wansuku zonke, i-COD noma i-VS loading, okuqukethwe okuqinile, isikhathi sokugcinwa okuhlosiwe, izinga lokushisa lokusebenza, umthamo we-biogas olindelekile ngosuku, ukusetshenziswa kokugcina kwegesi kanye nesidingo saso esincane, kanye nedatha yomoya neqhwa yesizinda.
Umbuzo 2: Ingabe ithangi le-enamel eliboshiwe lamukelekile njenge-biogas digester?
Impendulo 2: Yebo, engcindezini ephansi yegesi i-digester esebenza kuyo. Umkhumbi uyisitoreji se-atmospheric futhi isembozo se-membrane ephindwe kabili sigcina igesi ebhendini engu-±3 kuya ku-5 kPa, ngakho igobolondo alisona umngcele wengcindezi.
Q3: Ingabe isembozo se-enamel sibhekana ne-hydrogen sulfide?
A3: Yebo, kulo lonke uhla lwe-pH lwesembozo, ngakho ithangi akusona isici esikhawulelayo. I-boiler yasezansi, injini kanye nohlelo lwephunga kusadinga ukukhishwa kwesulfure okulinganiswe kusuka kumthwalo ophezulu we-sulfide.
Q4: Iyini inzuzo yesembozo se-membrane ephindwe kabili kunophahla oluqinile?
A4: Isembozo siyagoba esikhundleni sokucindezela igobolondo, ngakho amalunga e-gasket awafakwa emcimbini wengcindezi, futhi umthwalo womoya neqhwa uthathwa ungqimba lwangaphandle esikhundleni sendawo yegesi.
Q5: Ivolumu yegesi isetshenziswa kanjani ukulinganisa ithangi?
A5: Umthamo wegesi uqhuba isembozo kanye nosayizi wokukhulula, hhayi umthamo wethangi. Umthamo wethangi uvela ekugelezeni kokudla kanye nesikhathi sokugcina; izinga legesi livela ekulayisheni okuphilayo, ngokuvamile 0.5 kuya ku-0.6 m³ ngekhilogram yezinto eziphilayo ezikhishwayo kudaka likamasipala.
Q6: Yiziphi izinto zokuphepha okufanele zibe sophahleni?
A6: I-valve yokukhulula ingcindezi ebekwe ngaphakathi kwebhendi evunyelwe, isihlukanisi se-vacuum ukuvimbela i-membrane ukuthi ingaphenduki lapho isidingo segesi siphansi, isivimbeli somlilo endaweni yokuphuma kwegesi, kanye nesidlulisi sengcindezi esondla i-alamu yegumbi lokulawula.
Q7: Ingabe enye i-digester ingengezwa kamuva?
A7: Yebo, futhi lesi yisizathu esivamile sokukhetha ifomethi eboshiwe. Umkhumbi owengeziwe ungafakwa eceleni kwalowo osebenzayo ngaphandle kokukhipha ithangi elikhona emsebenzini.
Ukukhetha umhlinzeki we-GFS biogas storage tank kuncike ekutheni ingabe iphakethe lisebenzisa isitsha kanye nekhava yegesi njengomngcele owodwa wonjiniyela. Igobolondo le-enamel elishiswe ku-820 kuya ku-930 °C nge-1500 V ngepaneli ngalinye lokuhlola inhlansi libhekana ne-sulfide kanye nokuphazamiseka kwe-pH; ikhava ye-double membrane ngaphakathi kwebhendi engu-±3 kuya ku-5 kPa ene-relief, i-vacuum kanye ne-flame arrester igcina inqubo iphephile esitsheni se-atmospheric; futhi izinga lokushisa le-mesophilic kanye nesikhathi sokugcina kunquma umthamo. Lungisa izinombolo zenqubo kuqala, bese uqhathanisa iziphakamiso nohlu lwembophelelo ebhaliwe. Thumela idatha yakho yokuphakelayo neyegesi edeskini yonjiniyela futhi ukucushwa kwethangi nekhava kuzobuya nephakethe ledokhumenti.
Khuluma Nonjiniyela
Thumela idatha yephrojekthi ye-biogas: uhlobo lokudla kanye nokugeleza, ukulayishwa kwe-COD noma i-volatile solids, okuqukethwe okuqinile, isikhathi sokugcinwa okuhlosiwe kanye nezinga lokushisa lokusebenza, ivolumu ye-biogas elindelekile ngosuku kanye nokusetshenziswa kwayo kokugcina, isidingo esincane se-burner noma injini, izinga le-hydrogen sulfide, imidwebo ekhona uma ikhona, kanye nesimo somoya, iqhwa nomhlabathi wendawo. Sizobuyisela ukubalwa kwevolumu yokusebenza, ububanzi nokuphakama kwethangi, ukuhlelwa kwesembozo nezilungiselelo zengcindezi, ukuhlelwa kwe-roof manifold, ukuhlelwa kokuxuba, kanye nephakethe eliphelele ledokhumenti yethenda. Ukubuyekezwa kobunjiniyela kuqala, akunasibopho.
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