Amathangi e-Biogas Ensimbini Ehlanganisiwe: Ukusebenza Kobunjiniyela Nokuqina Ekugayweni Kwe-Anaerobic
Kwadalwa ngo 2024.03.22
Amathangi E-Biogas Ensimbini Ehlanganisiwe: Ubuchwepheshe Bokwakha Nokuqina Ekugayweni Kwe-Anaerobic
Njengoba ukugcizelela komhlaba wonke kuthuthukela emandleni asimeme kanye nezomnotho zebhayoloji eziyindilinga, ukugaywa kwezinto eziphilayo ngaphandle komoya (AD) sekuvele njengobuchwepheshe obuyisisekelo bokuguqula udoti wezinto eziphilayo—kuhlanganise nomquba wezolimo, udoti wokudla, kanye nodoti wendle yasemadolobheni—ube yigesi ehlanzekile kanye nomanyolo ophakeme wezinto eziphilayo. Enhliziyweni yanoma yisiphi isikhungo esisebenzayo segesi yebhayogesi kukhona umkhumbi wokugaya izinto eziphilayo ngaphandle komoya.
Ngokwesiko lakhiwe ngokhonkolo othelelwe endaweni, izitshalo zesimanje ze-bhayogesi ziya ngokuya zithembela emathangini ensimbi aboshwe ngamabhawudi—ikakhulukazi lawo enziwe ngobuchwepheshe be-Glass-Fused-to-Steel (GFS). Kuhlanganisa ukukhiqiza okunembile okulawulwa yifektri, ukwakhiwa okusheshayo kwezingxenye, kanye nokumelana okuphezulu nezindawo ezinamakhemikhali anolaka, amathangi ensimbi aboshwe ngamabhawudi aseguqule izinga lokuthembeka kwengqalasizinda ye-bhayogesi.
1. Izimiso Eziyisisekelo Zokusebenza Kwamathangi Ensimbi Aboshwe Ngamabhawudi Okugaya Izinto Eziphilayo Ngaphandle Komoya
Ukugaya ngaphandle komoya (anaerobic digestion) inqubo eyinkimbinkimbi yebhayoloji lapho amagciwane ephihliza izinto ezibolayo endaweni engenawo umoya. Ukusebenzisa la ma-reactor ebhayoloji kudinga ukulawulwa okunembile kwemvelo kanye nokuqukethwe okuqinile kwesakhiwo:
● Ukusebenza Kwebhayoloji Nokulawulwa Kwezinga Lokushisa: Ukuze kuthuthukiswe ukusebenza kwamagciwane akhiqiza i-methane, ama-digester kumele agcine amazinga okushisa azinzile e-mesophilic (cishe 35°C) noma e-thermophilic (cishe 55°C). Amathangi ensimbi abhontshiwe avumela ukuhlanganiswa okungenazihibe kwamakhoyili okushisisa angaphakathi noma ama-heat exchanger angaphandle emaceleni ukuze kugcinwe ukulingana kokushisa.
● Izinhlelo Zokuxuba Ngokufanayo: Ukuvimbela "izindawo ezifile" lapho izinto eziphilayo zihlala khona zingagayeki, kudingeka ukuxubwa okungaphakathi okungaguquki kusetshenziswa ama-propeller mixer angaphansi kwamanzi, ama-agitator we-shaft emaphakathi, noma izinhlelo zokujova igesi.
● Isikhala Esingangeni Moya Nokuphepha: Ngenxa yokuthi ukubola okungenawo umoya kukhiqiza i-methane (CH4) exutshwe ne-carbon dioxide namagesi amancane, isakhiwo sethangi kumele sifake izopho ezingangeni moya (ezifana nezopho ezinembobo ephindwe kabili noma ama-GFS domes) ezihambisana nama-Pressure/Vacuum Relief Valves (PVRVs) ukuze kulawulwe izingcindezi zesikhala ngokuphepha.
2. Izinzuzo Zempahla: Ubuchwepheshe be-Glass-Fused-to-Steel (GFS)
Indawo engaphakathi kwe-anaerobic digester iyimbi kakhulu. Ukubola kwezinto eziphilayo kukhiqiza i-hydrogen sulfide (H2S), ehlangana nomswakama yakhe i-sulfuric acid, icekela phansi izindawo zensimbi ezingavikelwe ngokushesha.
Amathangi ensimbi aboshwe ngamabhawudi asebenzisa ubuchwepheshe be-GFS anqoba le nselele ngokusebenzisa ubuchwepheshe obuthuthukile bensimbi:
● Uhlangano lwamangqamuzana olungenakusebenza lwengilazi nensimbi: Ingilazi encibilikisiwe ihlanganiswa nensimbi eqinile yokwakha emazingeni okushisa aphezulu kakhulu (cishe ku-820°C kuya ku-930°C), okudala uhlangano lwamangqamuzana olungenakuhlukaniswa oluhlanganisa amandla okudonsa ensimbi nokungasebenzi kwamakhemikhali engilazi.
● Ukumelana Nokugqwala Okuphezulu Kakhulu: Ingaphakathi elibushelelezi, elihlanganiswe nengilazi alingenwa nhlobo udaka olune-asidi, imfucumfucu ewuketshezi enosawoti omningi, kanye nomoya ogqwalayo we-biogas, kuvimbela ukucekelwa phansi kwesakhiwo ngaphambi kwesikhathi.
● Ukuqedwa Kokubambezeleka Kokupenda Endaweni: Ngenxa yokuthi amaphaneli ensimbi apendwa futhi aqiniswa endaweni yefektri eqinile, afika endaweni yokwakha eselungile ukuze abhontshwe ngokushesha, kungagwemeki ukubambezeleka okuncike esimweni sezulu kokomiswa kwezinsimbi zikakhonkolo.
I-Matrix Yokuqhathanisa: I-Bolted Steel (GFS) vs. Ama-Digesters Kakhonkolo Aphalwe Endaweni
Ipharamitha Yokuhlola | Amathangi E-Biogas Ensimbini Ehlanganisiwe (GFS) | Ama-Digester Kakhonkolo Aphonswa Endaweni |
Ukuvikelwa Kokugqwala | Kuhle kakhulu; ulwelwesi lweglasi olungenasebenzi lumelana ne-asidi nokuhlasela kwe-H2S | Phansi; isengozini yokulimala yi-sulfate futhi idinga ama-liner akhethekile |
Isivinini Sokufakwa | Ukuqaliswa okusheshayo kwamamojula kwenziwa emasontweni ambalwa | Kuyashesha kancane; kudinga izinyanga zokufaka amafomu, ukuthela, nokomisa |
Ukuhleleka kwesakhiwo ngamamojula | Kuphezulu; amaphaneli avumela ukwandiswa kwekhono noma ukukhuphula ubude bethangi | Akukho; isakhiwo esiqinile esingaguquki esingakwazi ukushintshwa |
Izindleko zokunakekela | Kuncane kakhulu; indawo ebushelelezi enganamatheli ivimbela ukunqwabelana kwezinto eziphilayo | Kulingene; kuthambekele ekuqhekekeni, ekuqhekekeni kwengaphezulu, nasekugqwaleni kwezinto zokuvala amalunga |
Isikhathi sokuphila esiklanyelwe | Iminyaka engu-30 kuya kwengu-50+ (ngokunakekelwa okufanele) | Iminyaka engu-30 kuya kwengu-50+ (idinga ukujova ukuqhekeka okuqhubekayo) |
Imibuzo Ejwayelekile (FAQ)
Q: Kungani amathangi ensimbi abhontshiwe ekhethwa kunokhonkolo ekukhiqizeni i-biogas?
A: Amathangi ensimbi abhontiwe—ikakhulukazi lawo anengqimba ye-Glass-Fused-to-Steel (GFS)—anikeza isikhathi sokufakwa esisheshayo kakhulu, ukumelana okuphezulu nemikhiqizo yokugaya ene-asidi, izindleko zokunakekela eziphansi, kanye nokuguquguquka kwemojula okuvumela izikhungo ukuthi zikwazi ukwandisa umthamo kalula.
Q: Amathangi ensimbi abhontiwe e-biogas abhekana kanjani nokugqwala kwe-hydrogen sulfide (H2S)?
A: Ingaphakathi le-GFS elingaphakathi lakha umgoqo weglasi ongasebenzi ngamakhemikhali ovimbela i-H2S kanye ne-sulfuric acid ephumayo ukuthi ingathinti noma ingcolise insimbi engaphansi.
Q: Yiziphi izindinganiso zamazwe ngamazwe ezilawula ukuklanywa kwamathangi e-biogas ensimbi ehlanganisiwe?
A: Ama-digester e-anaerobic ensimbi ehlanganisiwe akhiwa ngokuqinisekisa ukuthobela izindinganiso zamazwe ngamazwe ezinkulu, okuhlanganisa i-ISO 28765 (eklanyelwe ngokukhethekile amathangi e-vitreous enamel ahlanganisiwe), i-AWWA D103, nama-Eurocodes.
Q: Ingabe amathangi ensimbi ahlanganisiwe e-anaerobic angakwazi ukunwetshwa ngemva kokwakhiwa kokuqala?
A: Yebo. Enye yezinzuzo ezibalulekile zokusebenza kwe-bolted tank architecture ukuthi ingakhula kalula. Uma imboni idinga ukwanda kwekhono lokucubungula izinto eziphilayo, kungangezwa amaringi amaphaneli engeziwe noma ubude bethangi bundiswe, uma nje isisekelo saklanyelwe ukuthwala umthwalo wesikhathi esizayo.
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