Iqembu le-MER
Umthombo: Izinqubo zengqungquthela ye-2025 China Lime Industry Technology Exchange and Cooperation
Okufingqiwe: Leli phepha lihlaziya izinhlobo zokushisa kwemfucuza kanye nobuchwepheshe bokusebenzisa ukushisa kukadoti emigqeni yokukhiqiza i-lime rotary kiln, futhi lethula izinto ezintsha zobuchwepheshe kanye namacala okusetshenziswa kwe-Dingzheng Heavy Machinery ekusetshenzisweni kokushisa kukadoti.
1 Isingeniso
Ukongiwa kwamandla kanye nokuncishiswa kokukhishwa kwegesi kuyinqubomgomo kazwelonke eyisisekelo nomsebenzi oyinhloko wesu lokuthuthukisa amandla. Iqhutshwa yile nqubomgomo, imboni ye-lime rotary kiln isizuze izinguquko ezinhle ezifana nokuthuthukiswa kwezobuchwepheshe kanye nokuthuthukiswa kwesakhiwo sezimboni, ukusuka ekukhiqizeni okubanzi kuya ekukhiqizeni okuhlakaniphile okuluhlaza. Ngaphansi kokugqugquzelwa kwezinqubomgomo, ukunciphisa ukusetshenziswa kwamandla kanye nokwenza ngcono izinga lobuchwepheshe bokusetshenziswa kokushisa okulahlwayo kwama-lime rotary kilns kube ukuncintisana okuyinhloko kwamabhizinisi ahlukahlukene okukhiqiza.
Leli phepha lethula kafushane izinhlobo zokushisa kwemfucuza kokhini be-lime rotary, ubuchwepheshe bokusetshenziswa kokushisa kukadoti, kanye nokuqanjwa kabusha kwezobuchwepheshe kulo mkhakha okwenziwe ngu-Handan Dingzheng Heavy Machinery Co., Ltd.
Izinhlobo ezi-2 Zokushisa Kwemfucuza emigqeni Yokukhiqiza I-Lime Rotary Kiln
Phakathi kwazo zonke izinhloso zokongiwa kwamandla kanye nokunciphisa ukungcola, izimboni{0}}ezisebenzisa amandla{1}eziphezulu zizuze imiphumela ebaluleke kakhulu. Ngenxa yenqubo eyingqayizivele nendlela yokosa, ulayini wokukhiqiza umcako we-rotary kiln ukhiqiza umcako ocushiwe wekhwalithi engcono kakhulu ngaphansi kwesimo esingavuthiwe esifanayo kanye nezimo zikaphethiloli, ezixazulula kahle izinkinga{3}}zokushisa kancane,{4}}okungaphezu{4}} kokushiswa nokungalingani komcako, futhi kunomsebenzi ophezulu. Ngakho-ke, ubuchwepheshe bokukhiqiza umcako we-rotary kiln buye bakhuthazwa ngokushesha embonini ye-lime.
Ukusetshenziswa kwamandla kolayini wokukhiqiza umcako we-rotary kiln kuphakeme kancane, ikakhulukazi ngenxa yokuthi ingxenye yokushisa isuswa ukushisa kwemfucuza kanye nokukhishwa kokushisa kwemishini. Ukulahlekelwa ukushisa okukhulu kanjena:
(1) Ingxenye yokushisa isuswa ukukhishwa kwegesi ephumayo emsileni womlilo;
(2) Ingxenye yokushisa isuswa umcako ophelile;
(3) Ingxenye yokushisa isuswa ukushisa okukhazimulayo kwe-preheater, i-rotary kiln kanye nokupholile. Ikakhulukazi, i-rotary kiln inendawo enkulu, ngakho ukushisa okukhishwa ukushisa okukhazimulayo kubonakala kakhulu.
Izinkinga eziphakamayo: Lezi zimo zokusebenza ezingenhla ziqukethe ukushisa kwemfucuza okuningi. Uma ikhishwa ngokuqondile, ngeke ibangele ukumosha amandla kuphela kodwa futhi ibhebhethekise ukungcoliswa kokushisa kwemvelo. Ngakho-ke, ukubuyiswa kokushisa kwemfucuza kanye nobuchwepheshe bokusebenzisa sekuyisihloko socwaningo samabhizinisi ahlukahlukene okukhiqiza kanye nomklamo we-lime kiln kanye namabhizinisi wokwakha, futhi kuyisici esikhulu sokuthuthukisa ukuncintisana kwebhizinisi. Ukusetshenziswa kokushisa kwemfucuza kohhala abajikelezayo kubaluleke kakhulu. Ngobuchwepheshe bokubuyiswa kokushisa kukadoti kanye nobuchwepheshe bokusetshenziswa, akunciphisi ngempumelelo amandla okusetshenziswa kwamandla kuphela kodwa futhi kunciphisa kakhulu ukukhishwa okuyingozi, kunciphisa izinga lokungcoliswa kwemvelo kanye nomonakalo, futhi kukhuthaze amabhizinisi ukuthi agcwalise izinkomba ezihlukahlukene eziyisibopho zokongiwa kwamandla kanye nokunciphisa ukungcola.
3 Ubuchwepheshe Bokusebenzisa Ukushisa Kwemfucuza Yemigqa Yokukhiqiza I-Lime Rotary Kiln
Uma kubhekwa izimbangela zokushisa kwemfucumfucu: ukushisa okungcolile kwegesi ekhishwayo kuhhavini, ukushisa okungcolile komcako ophelile kanye nokushisa okukhazimulayo kwemishini emithathu emikhulu, ukusetshenziswa kokushisa okungcolile kanye nokunciphisa ukulahlekelwa kwamandla okushisa kukhuthazwa ikakhulukazi mayelana nokuthuthukiswa kwemishini, ukuthuthukiswa kwenqubo nokulawula okuhlakaniphile.
3.1 Izinsiza kanye Nokuthuthukiswa Kwempahla
Lungiselela okokusebenza kokushisisa ngaphambilini, thuthukisa ubuchwepheshe bokubala okuphezulu-kwezinga lokubola kanye{1}}neheater yangaphambili esebenza kahle kakhulu, wandise indawo yokushisisa, wenze umfaniswano wokusabalalisa igesi ewuketshezi, uthuthukise ukuguqulwa kokushisisa kwe-preheater, futhi unciphise ukusetshenziswa kukaphethiloli wokubala.
Lungiselela okokusebenza kokupholisa, thuthukisa-indawo epholile epholile emile esebenza kahle kakhulu, ukhuphule izinga lokushisa langaphambili lokushisa komoya wesibili, unciphise ukubamba iqhaza okuqondile komoya obandayo ekushiseni, okungakhuphula ngempumelelo izinga lokushisa lokudubula kuhhani futhi kunciphise ukusetshenziswa kukaphethiloli.
Thuthukisa izinto eziphikisayo, ikakhulukazi izinto zokufakwa kuhhavini, zisebenzisa izinsimbi eziphikisayo ezinokumelana nokushaqeka okuhle okushisayo nokumelana nokugqokwa, lawula ngokuqinile izinga lokushisa lomzimba womlilo endaweni yokubala, futhi wehlise ukulahleka kokushisa komzimba wokushisa.
3.2 Ukusetshenziswa kwe-Cascaded kanye{1}}nokujula Kokushisa Kwemfucuza
Yakha isistimu yokusetshenziswa kwe-cascade "yezinto ezingavuthiwe kanye nokushisisa kwangaphambili kukaphethiloli - ukukhiqiza amandla okushisa okulahlwayo - ukunikezwa kwesitimu sokushisa/ukukhiqiza" ukuze kuthuthukiswe izinga lokusetshenziswa kokushisa kukadoti.
Kuhlelo lokukhiqiza i-lime rotary kiln, ubuchwepheshe be-preheater kanye nobuchwepheshe obupholile yibo ubuchwepheshe obuyinhloko balolu hlobo lweziko. I-preheater inciphisa ukukhishwa kwegesi ephumayo ku-mbaln tail ngokushisisa ngaphambili i-limestone ukuze ibone ukusetshenziswa kokushisa kwemfucuza, futhi isibandisi sinciphisa izinga lokushisa lokukhishwa komlotha ngokushisa ngaphambili umoya ovuthayo ukuze kubonakale umsebenzi wokushisa kuqala ukusetshenziswa kokushisa.
Ubuchwepheshe bokushisa udoti/ukunikeza umusi: Dlulisela udoti wokushisa wegesi yomsila emanzini abandayo noma emoyeni obandayo ngokusebenzisa izishintshisi zokushisa ukuze ukhiqize amanzi ashisayo (80-120℃) noma isitimu (0.3-0.6MPa), esisetshenziselwa ukushisisa kwasembonini, amanzi asekhaya ezisebenzi noma umusi wokukhiqiza osizayo. Inezindleko eziphansi zokutshala imali futhi ifanele amabhizinisi amancane naphakathi nendawo noma amapaki anesidingo sokushisisa endaweni ezungezile.
I-exhaust gas emsileni we-kiln idinga inqubo ye-denitrification. Ukushisa kukadoti we-rotary kiln tail gas kuhlangabezana nezimfuneko zenqubo-yokuphika izinga lokushisa eliphansi, ngakho-ke asikho isidingo sokwengeza okokusebenza okungeziwe kokushisa kwesitofu se-hot blast, okunciphisa ukutshalwa kwezimali kokwakhiwa kwenqubo yokukhishwa kwe-denitrification.
Ubuchwepheshe besiqandisi-sezinga lokushisa eliphansi lemfucuza yesiqandisi: Yamukela amayunithi esiqandisi sokumunca, asebenzisa ukushisa kwemfucumfucu yesisila njengamandla okushayela ukupholisa amanzi ukuya ku-7{3}}12℃for workshop air conditioning noma inqubo yokupholisa. Ilungele amabhizinisi okucubungula i-lime deep ezindaweni ezishisa kakhulu noma ngesidingo sesiqandisi, futhi yakha "ubusika obufudumele nehlobo elipholile" uhlelo oluphelele lokusebenzisa ukushisa kukadoti olunobuchwepheshe bokushisa.
Olayini bokukhiqiza umcako we-rotary kiln kusetshenziswa amalahle agayiwe njengophethiloli, igesi ekhipha umoya oshisayo kuhhovisi isetshenziselwa ukomisa amalahle aluhlaza, ukuze ukushisa okulahlwayo kwegesi yokukhipha umsila kusetshenziswe ngokugcwele.
3.3 Ukulawula Okukhaliphile kanye Nokuthuthukisa Ipharamitha
Sebenzisa uchwepheshe besistimu yokulawula ehlakaniphile ukuze ulawule ngokunembile amapharamitha afana nezinga lokushisa lokubala nesilinganiso sikaphethiloli ngokusebenzisa ama-algorithms, ukubikezela izimo zomlilo kusenesikhathi, ukunciphisa ukusetshenziswa kwamalahle kwesistimu yokudubula, nokwandisa isivinini sokuzungezisa kanye ne-engeli yokuthambekela yomzimba wokushisa umlilo ukuze kuthuthukiswe ukusebenza kahle kokushintshanisa ukushisa phakathi kwezinto negesi eshisayo. Faka izinzwa zezinga lokushisa, ukucindezela, izinga lokugeleza, njll.,{2}}isikhathi sangempela lungisa umthwalo wezinto zokusebenza zokushintsha ukushisa ngohlelo lwe-PLC ukuze lufane nokuguquguquka kwezimo zokusebenza ze-rotary kiln, futhi ubone ukulawula okunembayo okuhlanganiswe nama-algorithms e-AI.
4 Izindlela Ezintsha Ekusetshenzisweni Kokushisa Kwemfucuza ngu-Handan Dingzheng Heavy Machinery Co., Ltd.
Njengomuntu ohamba ngesivinini embonini ye-lime, i-Handan Dingzheng Heavy Machinery Co., Ltd. ithatha isinyathelo sokuqala sokuthuthukisa umklamo, ithembele enzuzweni enqwabelene yobuchwepheshe nesipiliyoni phakathi neminyaka edlule, ihambisana nezikhathi, yethula ngenkuthalo ubuchwepheshe obusha nemiqondo, futhi yenze uchungechunge lwezindlela ezintsha zokunciphisa ukushisa, ukusetshenziswa kokushisa nokonga.
(1) I-preheater yamukela umqondo wedizayini enkulu yamazwe ngamazwe{1}}enkulu. Ngesisekelo sokuqinisekisa indawo yokushintshanisa ukushisa, kunciphisa inani lemishini (imishini yokuphusha) futhi yehlise izinga lokuhluleka; yamukela uhlobo lwekhompathimenti elizimele kanye nobuchwepheshe bezinga lempahla yekhompathimenti eguquguqukayo, okwenza izinga lokushisa langaphambi kokushisa lezinto zokwakha endaweni ngayinye yokushisa kube lula ukulungisa nokulawula, futhi izinga lokushisa langaphambi kokushisa lizinze kakhudlwana.
(2) I-cooler isebenzisa-indlela yokupholisa yendawo enkulu. I-cooler ihlukaniswe yaba izindawo ezine zokupholisa nokukhipha, futhi isivinini sokukhipha sendawo ngayinye singalawulwa ngokuzimela ngokuvumelana nezinga lokushisa lempahla; umoya opholile uthintana ngokuqondile nomcako oshisayo endaweni epholile, enomphumela omuhle wokupholisa kanye nezinga lokushisa eliphansi lokuphuma komlotha (cishe ama-degree angama-70 ngaphezu kwezinga lokushisa elizungezile); ngemva kokuba umoya opholile upholise umcako, izinga lokushisa lingashiswa kusengaphambili libe ngaphezu kuka-750℃futhi lisetshenziswe njengokuvutha kwesibili{5}}komoya osekelayo wehhoko le-rotary. Inezinga eliphezulu lokushintshisana kokushisa kanye nezinga eliphezulu lokusebenzisa ukushisa kwemfucuza.
(3) Ngokulingisa okucatshangelwayo kanye nokusebenza komugqa wokukhiqiza wangempela, i-Dingzheng ithuthukise ukwakheka kwepayipi lomoya opholile kanye nedivayisi yokusabalalisa komoya obandayo yesipholile esime mpo, yathuthukisa ngokukhethekile ukusebenza kwempahla ekwazi ukumelana nokushisa-yezingxenye ezikwazi ukumelana nokushisa, futhi yamukela isisabalalisi esiyingqayizivele se-Dingzheng. Uma kuqhathaniswa nezipholile ezijwayelekile, inomphumela ongcono wokupholisa kanye nempilo ende yesevisi.
(4) Olayini abakhulu-abakhiqizayo kanye nomcako ontekenteke, -umklamo wabalandeli opholile uyamukelwa. Ngokuhambisana nokucindezela okuhlukene nokuphakama kwengxenye ngayinye ye-cooler eqondile, amafeni anevolumu yomoya ehlukene nokucindezela kuyasetshenziswa, okulula ukulungiswa, angavimbela ngokuphumelelayo izinto ezingavamile njengokunamathela kwempahla nezinto ezibomvu, futhi athuthukise ukusebenza kahle kokushintshanisa ukushisa.
(5) Emabhizinisini akhiqiza umcako we-rotary kiln esebenzisa amalahle agayiwe njengophethiloli, ukusebenzisa igesi ephuma kuhhoko ukomisa amalahle aluhlaza kuyinqubo eyonga kakhulu futhi ephephile. Ayigcini nje ngokusindisa amandla okushisa adingekayo ukuze omiswe kodwa futhi iqinisekisa ukuphepha kokugaya amalahle. Le nqubo ivuthwe kakhulu futhi iye yakhuthazwa futhi yasetshenziswa.
(6) Ukuchithwa kokushisa kwesilinda se-lime rotary kiln kungesinye sezizathu eziyinhloko zokusetshenziswa kakhulu kokushisa kohhobho ojikelezayo. Indlela ephumelelayo yokunciphisa izinga lokushisa le-cylinder ukusebenzisa izinto eziphikisayo ezinokusebenza okuhle kokufakwa kwe-thermal. Inkampani yethu yamukela ubuchwepheshe bezitini obuhlanganisiwe obunokumelana okuhle kokushisa, ukumelana nokugqoka kanye nokusebenza kokushisa okushisayo, okunciphisa ngempumelelo izinga lokushisa lesikhumba somlilo, kunciphisa ukushiswa kokushisa komzimba wokushisa, futhi kuhole ekwethuleni izinto zokufaka ezishisayo ze-5S emugqeni wokukhiqiza omhlophe ojikelezayo omhlophe.
(7) Ukushisa okungaphezulu kwesilinda se-rotary kiln nakho kuyisiqondiso socwaningo. Ukwengeza isembozo sokuqoqwa kokushisa endaweni yokubala kuhhavini elijikelezayo ukuze kuqoqwe futhi kusetshenziswe le ngxenye yokushisa kungaxazulula inkinga yokushisisa yamahhovisi nezindlu zokulala zabasebenzi kanye nenkinga yokugeza yabasebenzi ngokutshalwa kwezimali okuncane kanye nemiphumela esheshayo. Inkampani yethu yamukele lolu hlelo kumaphrojekthi amaningi, ikakhulukazi ezindaweni ezibandayo ezisenyakatho.
Izimo ezi-5 Zokusebenzisa Ukushisa Kwemfucuza ngu-Handan Dingzheng Heavy Machinery Co., Ltd.
Njengebhizinisi elihamba phambili embonini ye-rotary kiln lime, i-Handan Dingzheng Heavy Machinery Co., Ltd. isabela esidingweni semakethe enqubweni yokuklama nokwakhiwa kobunjiniyela futhi njalo ibeka ukongiwa kwamandla kanye nokunciphisa ukungcola endaweni yokuqala. Izimo eziningana zezicelo zamaphrojekthi zibalwe ngezansi.
(1) Emgqeni wokukhiqiza umcako ojikelezayo ongu-800T/D wemboni yensimbi, ngaphezu kuka-90% womthombo wokushisa owomisayo odingekayo kumalahle agayiwe wesigayo samalahle uvela egesini yokukhipha umoya kuhhovisi lomsila. Ngaphezu kwalokho, igobolondo-kanye-nomshini wokushisa weshubhu wengezwa endaweni yokukhipha umoya ye-preheater. Amanzi ashisayo angama-90℃akhiqizwa ngemuva kokushintshana kokushisa asetshenziselwa inqubo yesiqandisi esimaphakathi esitshalweni. Ngesikhathi esifanayo, izinga lokushisa legesi ekhipha umoya oshisayo endaweni yokukhipha i-preheater liyehliselwa cishe ku-170 degree, elidlala indima enhle ekuvikeleni isikhwama sendwangu{10}}sokuqoqa uthuli oluphezulu{10}}ku-kiln tail futhi andise impilo yaso yesevisi. Umfanekiso 1 ubonisa isishintshi sokushisa kanye nezinga lokushisa lomsila we-kiln ngaphambi nangemuva kokushintshaniswa kokushisa okuboniswa ohlelweni lokulawula olumaphakathi.
(2) Emgqeni wokukhiqiza umcako we-rotary wemboni yensimbi esiFundazweni sase-Hebei, umshini wokuqoqa ukushisa usilinda ufakwa engxenyeni yokubala kuhho ojikelezayo ukuze uhlangabezane nesidingo sokushisisa ihhovisi lasebusika endaweni yokukhiqiza kanye nesidingo sokugeza sabasebenzi ehlobo. Ibhayela yokushisa imfucuza yengezwa endaweni yokukhipha umoya ye-preheater, futhi isitimu esikhiqiziwe sisetshenziselwa izidingo zamanye amaketanga ezimboni zenkampani.
(3) Emgqeni wokukhiqiza umcako we-rotary kiln weplanti yensimbi, kwamukelwa ubuchwepheshe obuphansi-bezinga lokushisa le-SCR denitrification ukuze kunqandwe igesi yomsila, futhi ukushisa kwemfucumfucu yegesi emsila kuhlangabezana ngokugcwele nezimfuneko zenqubo ye-denitrification.
6 Isiphetho
Ukusetshenziswa kokushisa kukadoti kuyindlela eyinhloko yemboni ye-lime yokunciphisa izindleko futhi yandise ukusebenza kahle futhi ifinyelele imigomo "yekhabhoni ekabili". Umgomo wokucutshungulwa kwamandla okumosha kanye nokuthola ukushisa okulahlwayo kanye nokusetshenziswa "ukusetshenziswa okungahleliwe,{1}}ikhwalithi ephezulu kanye{2}}nokusetshenziswa kahle okuphezulu". Ukuze kubuyiswe futhi kusetshenziswe ukushisa kwemfucumfucu yegesi ephuma eziko ezimbonini, empeleni, kufanele kuqale kusetshenziselwe ukushisisa kuqala umoya, uphethiloli nezinto zokwakha. Uma ingeke ikwazi ukuzitholela yona ngokwayo, kufanele isetshenziselwe izinsiza zangaphandle zokubuyisela ukushisa. I-flue gas emsileni we-lime rotary kiln ngokuvamile ayidluli ku-250℃, okungeyegesi{7}}yezinga lokushisa eliphansi. Ubuchwepheshe bayo bokusebenzisa ukushisa kukadoti bungaphansi kwezingqinamba ezithile, futhi sisenendawo enkulu yokuthuthukiswa kubuchwepheshe bokubuyisela ukushisa kwemfucumfucu ye-flue.
Ukukhiqizwa kwe-Lime rotary kiln kuyimboni-edla amandla{1}}ephezulu futhi{2}}ekhipha intuthuko ephezulu. Ukubuyiswa kokushisa kukadoti kanye nokusetshenziswa ukuze kuzuzwe ukongiwa kwamandla kanye nokunciphisa intuthu kudonsele ukunaka okwandayo kwamabhizinisi okukhiqiza umcako. Ungaqhubeka kanjani uthuthukise ukusebenza kahle kokushisa kwama-rotary kilns, ukusebenzisa ngokugcwele izinsiza zokushisa eziphansi-zegesi ye-flue flue ephansi ekukhiqizweni kwe-rotary kiln, futhi kubuyiselwe futhi kusetshenziswe ekusetshenzisweni kokushisa noma isidingo sokupholisa samabhizinisi ukuze kuzuzwe ukongiwa kwamandla kanye nokunciphisa ukukhishwa, ukunciphisa izindleko zokukhiqiza nokuvikela imvelo kuyisihloko esibalulekile esifanele ucwaningo olunzulu{6}.
I-Handan Dingzheng Heavy Machinery Co., Ltd.
