Isistimu esekela ukushiswa kwesithando somlilo we-rock wool

Indlela yokonga amandla yokuvutha komoyampilo enothile

Khulisa izinga lokushisa lomlilo
Izinga lokushisa lelangabi liyakhuphuka ngokwanda kwesilinganiso se-oxygen emoyeni ovuthayo.Ngokuvamile, ukuhlushwa kwe-26% - 33% kungcono kakhulu.Ngenxa yokwanda kwezinga lokushisa, kuzoba nenzuzo ukuqeda ukuvutha, ukunciphisa ilangabi, ukuthuthukisa amandla okuvutha nokusheshisa ukuvutha.

Umdwebo 1 inkambu yelangabi nezinga lokushisa lokusha kwegesi ekugxilweni kwe-oxygen engu-21%.

Fig. 2 inkambu yelangabi nezinga lokushisa lokusha kwegesi ekugxilweni komoyampilo okungu-30%.
Yehlisa inani le-flue gas ngemva kokuvutha
Igesi enomoya-mpilo enothile engaphansi kuka-1% - 3% wevolumu yomoya yasekuqaleni inganciphisa umthamo womoya wokunikezela ngo-10% - 20%.Ngenxa yokuthi igesi enomoya-mpilo ethuthukisiwe ingenza ukushiswa kufinyelele ukuvutha okuphelele, ngaphansi kokugxila okuphezulu, umthamo womoya wokuhlinzeka uyancishiswa, umoya wokuhlinzeka unciphisa inani lomoya obandayo olethwayo, ukusebenza kahle kwe-thermal kuyathuthukiswa, futhi ukuhlushwa komoya-mpilo jikelele kungakhuphuka I-1% kanye nevolumu yegesi ye-flue yehla ngo-2% - 2.5% wamandla we-fan yokuphoqeleka okuphoqelekile ayagcinwa, kuyilapho umthamo womoya owenziwe uncishiswa ngendlela efanayo, futhi amandla kagesi we-fan yokusalungiswa okufakiwe ayagcinwa.Exhaust ukushisa enthalpy kuhlanganisa 79% we nitrogen engahlanganyeli emoyeni ovuthayo is ukushisisa, exothermic kanye nokushisa exchanged, futhi ekugcineni akhishelwe emkhathini ne enthalpy ukushisa of the exhaust gas lokushisa.Le ngxenye ye-nitrogen ayikhiqizi amandla okushisa, ingathatha ingxenye yamandla okushisa kuphela, futhi ukusetshenziswa kobuchwepheshe bokuvutha obunothile oksijini kunciphisa inani legesi le-nitrogen nokulahlekelwa ukushisa.
Ukusheshisa isivinini somlilo nokukhuthaza ukuqedwa komlilo
Ekuphenduleni kwamakhemikhali okuthile okungu-aA+ bB → cC + dD, isivinini sokusabela kwamakhemikhali ngu-w = kCaACbB, K siqinisekile ezingeni lokushisa elithile, futhi isivinini sokusabela kwamakhemikhali sihlobene kuphela nokuhlangana kwama-reactants A no-B. Ukwandisa ukugcwala komoyampilo ngokuqinisekile izosheshisa ukusabela.Ngesikhathi esifanayo, ngokwanda kwejubane lokuphendula, izinga lokuphendula elimangalisayo lizokhula, futhi izinga lokushisa lomlilo lizokhula.
Isibonelo, izinga lokushiswa kwe-H2 ku-oxygen ehlanzekile izikhathi ezingu-2-4 zalezo ezisemoyeni, kanti igesi yemvelo cishe izikhathi ezingu-10.2.Ubuchwepheshe bokwengeza umoya-mpilo kanye nokusekela ukushiswa komlilo abukwazi nje ukuthuthukisa isivinini somlilo futhi bathole ukuqhutshwa kokushisa okungcono, kodwa futhi kusize ukusabela komlilo, kukhuthaze ukuvutha ngokuphelele futhi kuqede ukungcola kwe-soot ngokuyisisekelo.
Yehlisa izinga lokushisa lokubasa kukaphethiloli
Izinga lokushisa likaphethiloli alishintshile.Isibonelo, izinga lokushisa lokushisa le-CO emoyeni lingu-609 ℃, kuyilapho lokho ku-oxygen ehlanzekile kungu-388 ℃ kuphela.Ngakho-ke, ukushiswa okuthuthukisiwe komoyampilo kungakhuphula amandla amalangabi nokukhululwa kokushisa.
Ukwenyuka kwamandla okushintshanisa ukushisa
Njengoba igesi enomoya-mpilo ecebile ihlelwe endaweni yokuma komoya-mpilo ekugcineni kwesikhungo selangabi ukuze ibambe iqhaza ekusekeleni ukuvutha, indawo yesikhungo somlilo iyanwetshwa, futhi amandla okushintshaniswa kokushisa kwemisebe kanye nokuqina kokushintshana kokushisa nakho kuyanwetshwa, okuyi- okulingana nokwandisa indawo yokushisisa kanye nokukhishwa kwe-boiler.
Umthetho wemisebe
Ngenxa yokuthi ubuchwepheshe bokushisa i-oxyfuel bunganciphisa indawo evuthayo kaphethiloli, futhi ukushisa kuphelile futhi kunamandla, ngokusho koMthetho kaStephen Boltzmann: umthamo wemisebe ophelele we-blackbody ulingana namandla wesine okushisa kwawo okuphelele, ngakho-ke imisebe. amandla atholakalayo athuthukiswa kakhulu, futhi ukusebenza kahle okushisayo kweziko kuyathuthukiswa.

Izinqubo zokuvutha ezinomoya-mpilo

Izidingo zokukhiqiza idivayisi ye-oxygen:
Kudingeka umoya-mpilo kunoma iyiphi inqubo yokusha.Ngokungeza i-oxygen noma ukufaka umoya-mpilo emoyeni ohlelweni lokuvutha, ukudluliswa kokushisa kungathuthukiswa, izinga lokushisa lomlilo lingakhuphuka futhi ukusetshenziswa kwegesi kungancishiswa, ukuze kuthuthukiswe umphumela ophelele wokuvutha.Ngakho ingakusiza ukuthuthukisa ukusebenza kahle kukaphethiloli kanye nokukhiqiza.Indlela yokukhiqiza umoya-mpilo ingaba ukukhiqizwa kwe-cryogenic, ukukhiqizwa kwe-PSA nezinye izindlela.Isitshalo se-oxygen asifakiwe kububanzi bokunikezwa.

Isistimu yokukhipha amapayipi:
Ngokuqoqwa kwethu kwedatha okuthuthukisiwe nezindlela zokuqapha inqubo, ungakwazi ukulandelela ngempumelelo isimo sokusebenza kokulethwa komoyampilo, okuhlanganisa ukugeleza, ukuhlanzeka, ukucindezela, izinga lokushisa, njll. Lolu lwazi luzobuyiselwa kusistimu yami yokulawula ngokuhamba kwesikhathi, ukulawula kwe-PID nokuqoshwa kwedatha. izokwenziwa ngesikhathi sangempela, ukuze kwenziwe izinga lomkhiqizo lizinze futhi izindleko zokukhiqiza zehle.Isistimu yethu ingakwazi ukukhiqiza ngokuzenzakalelayo imibiko yedatha eyinhloko yokukhiqiza nokusebenza futhi iyiphrinte, ukuze izisebenzi ezibalulekile zazi ukuphambuka phakathi kokukhiqizwa kwamanje kanye nephuzu elimisiwe lenqubo noma inani eliqondiwe ngesikhathi.

Isistimu yokuthuthukisa umoya-mpilo:
Isistimu yethu yokucebisa umoya-mpilo eklanywe ngokukhethekile igcwalisa i-oksijini ngenqubo yakho ngokusebenzisa indawo yomoya noma umsabalalisi omkhulu wepayipi lomoya.Uhlelo lwenziwe ngokwezifiso ngokusho kwemingcele ye-cupola ngayinye ukuze kwandiswe izinzuzo zokuvutha okuthuthukisiwe komoya-mpilo - ukonga i-coke, ukwandisa umthamo wokukhiqiza, ukuqiniswa kwezinga lokuncibilika kanye nokuthuthukisa ukubuyiswa kwe-alloy.

Isistimu yokushisa komoya-mpilo ehlanzekile:
Uhlelo lokusabalalisa oluvaliwe lwe-cupola pure oxygen combustion yenkampani yethu lungangenisa umoya-mpilo owengeziwe ukuze kuncishiswe ukusetshenziswa kwe-coke futhi kuthuthukiswe ukusebenza kwe-cupola.Idizayini yethu yobunikazi ihlanganisa ukuvutha komoya-mpilo okuhlanzekile okuyingqayizivele namandla okufafaza umoya-mpilo kanye / noma okuqinile ngakunye ngama-tuyeres ukuze kuthuthukiswe ukuguquguquka kwe-cupola.Lezi zinhlelo zingakusiza ukunciphisa inani le-coke esetshenzisiwe, unciphise izindleko zempahla eluhlaza, ulahle kahle izinto ezilahlwayo, futhi uthuthukise izinga lokuncibilika.
Ngakho-ke, i-oxygen enothile uhlelo lokuvutha kwe-cupola ikakhulukazi iqukethe izingxenye ezilandelayo:
Ukushiswa kwe-oksijeni okunothisiwe kwe-cupola kuwukwengeza umoya-mpilo emoyeni osekela i-cupola ukuze wenze okuqukethwe kwawo komoyampilo kudlule inani elivamile lomoya (21%), ukuze kuthuthukiswe ukukhiqizwa kwensimbi encibilikisiwe futhi konge i-coke.Lapho amalahle eshiswa esimweni esinomoya-mpilo, izinga lokushisa lomlilo likhuphuka kakhulu, elingaqinisa ukudluliswa kokushisa ku-cupola futhi kuthuthukise ukukhiqiza.Ngokukhuphuka kokuqukethwe kwe-oksijini ekushiseni okusekela umoya, inani lomoya ovuthayo osekelayo liyancishiswa futhi umoya awunalutho Uma kuqhathaniswa nenqubo yendabuko ngaphandle kokwengeza umoya-mpilo, ubuchwepheshe bokuvutha obuthuthukisiwe be-oksijini be-cupola bunezinzuzo ezilandelayo:
Khulisa izinga lokushisa futhi unciphise ukulahlekelwa okuvuthayo kwe-silicon ephansi ngesikhathi sokusetshenziswa kwe-coke efanayo;
Thuthukisa ukukhiqiza;
Ngesikhathi esifanayo sokushisa, ukusetshenziswa kwe-coke kuyancishiswa futhi okuqukethwe kwe-S kuyancipha;
Lapho isithando somlilo sivulwa, izinga lokushisa lokushaya liyanda ngokusobala ngesikhathi esifanayo.
Izici zobuchwepheshe zesistimu yokuvutha enomoya-mpilo

Ngokuqondile:
Umphumela obalulekile wokonga amandla
Ukusetshenziswa emikhakheni ehlukahlukene yomlilo kungathuthukisa kakhulu ukusebenza kahle kokushisa okushisayo, ngokwesibonelo, embonini yengilazi, ukonga uwoyela ojwayelekile (igesi) ngu-20% - 40%, kubhayela wezimboni, isithando sokushisa, iphutha lokwenza insimbi nokuma mpo. Iziko lesitshalo sikasimende, ukonga amandla ngama-20% - 50%, kuthuthukisa kakhulu ukusebenza kahle kwamandla ashisayo.

Ukwelulwa okusebenzayo kokuphila kwesithando somlilo
Ukulungiswa kwemvelo yomlilo kwenza ukusabalalisa kwezinga lokushisa esithandweni kube okunengqondo futhi kunwebe ngokuphumelelayo impilo yesevisi yesithando somlilo kanye ne-boiler.

Kuyasiza ekuthuthukiseni umkhiqizo kanye nekhwalithi
Embonini yengilazi, ukuthuthukiswa kwesimo sokushiswa kwenza izinga lokuncibilika likhuphuke, isikhathi sokushisa sifinyezwe, ukwanda kokuphumayo, ukwehla kwezinga elingalungile kanye nokwanda kwesivuno.

Umphumela ovelele wokuvikela imvelo
Izinto eziqinile ezingashiswanga ezithwalwa kugesi we-flue zishiswa ngokuphelele, ubumnyama begesi ephumayo buyancishiswa, amagesi avuthayo nayingozi akhiwa ukubola kokusha ashiswa ngokuphelele, futhi ukukhiqizwa kwamagesi ayingozi kuyancishiswa.Inani legesi ephumayo liyancishiswa futhi ukungcola okushisayo kuyehla.
Ukuhlaziywa kwenzuzo yezomnotho kokuvutha okunothisiwe komoyampilo
Isimo sokucabangela: ku-5t / h Cupola, isikhathi sokusebenza sonyaka singama-3600h, isilinganiso sokuqala se-coke singu-1:10, kanti isivuno singama-70%.Ukubalwa kwenzuzo yezomnotho:
Londoloza u-15% we-coke (intengo ye-coke ingu-2000 yuan / T) 5 * 3600 / 70% * (1:10) * 15% * 2000 = 770000 yuan / ngonyaka.

Sebenzisa i-oxygen 160nm3 / h (intengo ye-oxygen ngu-1.0 yuan / m3) 160 * 3600 * 1.0 = 576000 yuan / ngonyaka

Cishe ama-yuan ayi-150000 atshalwe kumishini, okuwutshalomali lwesikhathi esisodwa (kucatshangwa)

Amandla akhuphuke ngo-15%.5 * 3600 * 15% = 2700t / ngonyaka

Isiphetho: inzuzo yezomnotho eqondile ukugcina izindleko zokukhiqiza ze-60000 yuan / ngonyaka kanye nokwandisa umthamo wokukhiqiza ngo-2700t / ngonyaka.Ukuxhumana okuphezulu nezinzuzo ezingaqondile zinkulu impela!