Iqela le-MER
Umthombo: Iinkqubo ze-2025 China Lime Industry Technology Exchange and Cooperation Conference
Inkcazo: Eli phepha lihlalutya iintlobo zobushushu benkunkuma kunye nobuchwepheshe bokusetyenziswa kobushushu kwimigca yemveliso yekalika ejikelezayo, kwaye yazisa ubutsha bezobuchwepheshe kunye namatyala osetyenziso lwe-Dingzheng Heavy Machinery ekusetyenzisweni kobushushu benkunkuma.
1. Intshayelelo
Ugcino lwamandla kunye nokuncitshiswa kokukhutshwa ngumgaqo-nkqubo wesizwe osisiseko kunye nowona msebenzi uphambili wesicwangciso sophuhliso lwamandla. Iqhutywa ngulo mgaqo-nkqubo, ishishini le-lime rotary kiln liye lazuza iinguqu ezintle ezifana nophuculo lobuchwepheshe kunye nokuphucula ubume bemizi-mveliso, ukusuka kwimveliso ebanzi ukuya kwimveliso eqhelekileyo eluhlaza. Phantsi kwempembelelo yemigaqo-nkqubo, ukunciphisa ukusetyenziswa kwamandla kunye nokuphucula umgangatho wokusetyenziswa kobushushu obusetyenzisiweyo ubuchwephesha bee-lime rotary kilns ziye zaba lukhuphiswano olungundoqo lwamashishini ahlukeneyo emveliso.
Eli phepha lazisa ngokufutshane iintlobo zobushushu benkunkuma ye-lime rotary kilns, itekhnoloji yokusetyenziswa kobushushu benkunkuma, kunye nezinto ezintsha zobuchwepheshe kulo mmandla nguHandan Dingzheng Heavy Machinery Co., Ltd.
Iindidi ezi-2 zeNkunkuma yobushushu kwiiNdlela zokuVelisa iLime Rotary Kiln
Kuzo zonke iithagethi zogcino lwamandla kunye nokucutha ukukhutshwa,-amandla aphezulu{1}amashishini asebenzisayo{1}}afumene ezona ziphumo zibalulekileyo. Ngenxa yenkqubo yayo eyodwa kunye nendlela yokuqhotsa, umgca wokuvelisa ikalika ye-rotary kiln uvelisa ikalika esemgangathweni ogqwesileyo phantsi kwemathiriyeli ekrwada efanayo kunye neemeko zepetroli, ezisombulula kakuhle iingxaki zokutshisa{3}, ngaphezulu{4}}ukutshisa kunye nokungalingani kokulinganisa kwekalika, kwaye inomsebenzi ophezulu. Ke ngoko, itekhnoloji yokuvelisa i-rotary kiln lime ikhuthazwe ngokukhawuleza kushishino lwekalika.
Ukusetyenziswa kwamandla omgca wokuvelisa ikalika ye-rotary kiln kuphezulu kancinane, ikakhulu ngenxa yokuba inxalenye yobushushu ithathwa bubushushu obuyinkunkuma kunye nezixhobo zokuphelisa ubushushu. Eyona lahleko yobushushu yile ilandelayo:
(1) Inxalenye yobushushu ithatyathwa kukukhutshwa kwegesi ephumayo kumsila we-oven;
(2) Inxalenye yobushushu ithathwa yi-lime ekhutshiweyo egqityiweyo;
(3) Inxalenye yobushushu ithathwa bubushushu obuqaqambileyo be-preheater, i-rotary kiln kunye nepholile. Ngokukodwa, i-rotary kiln inommandla omkhulu, ngoko ubushushu obuthatyathwa bubushushu obukhanyayo bubonakala ngakumbi.
Iingxaki ezivelayo: Ezi meko zokusebenza zingentla ziqulathe ubushushu obuninzi benkunkuma. Ukuba ikhutshwe ngokuthe ngqo, ayiyi kubangela kuphela inkunkuma yamandla kodwa ikhulise ukungcoliseka kwe-thermal. Ke ngoko, ukubuyiswa kobushushu benkunkuma kunye nokusetyenziswa kwetekhnoloji kuye kwaba sisihloko sophando kumashishini ahlukeneyo emveliso kunye noyilo lwe-lime kiln kunye namashishini okwakha, kwaye yeyona nto iphambili ekuphuculeni ukukhuphisana kweshishini. Ukusetyenziswa kobushushu benkunkuma kwiitoni ezijikelezayo kubaluleke kakhulu. Ngokusebenzisa inkunkuma yokubuyisela ubushushu kunye nokusetyenziswa kwetekhnoloji, ayinciphisi ngokusebenzayo kuphela ukusetyenziswa kwamandla kodwa ikwanciphisa kakhulu ukukhutshwa okuyingozi, inciphisa inqanaba lokungcoliseka kwendalo kunye nomonakalo, kwaye ikhuthaza amashishini ukuba agqibezele izikhombisi ezigunyazisiweyo ezahlukeneyo zogcino lwamandla kunye nokunciphisa ukukhutshwa.
IiTekhnoloji ezi-3 zokuSebenzisa ubushushu beLime Rotary Kiln Production Lines
Ngokujonga oonobangela bobushushu benkunkuma: inkunkuma yobushushu berhasi ephuma kumsila, inkunkuma yobushushu bekalika egqityiweyo kunye nobushushu obukhazimlayo bezixhobo ezintathu eziphambili, ukusetyenziswa kobushushu obusetyenzisiweyo kunye nokunciphisa ilahleko yamandla obushushu zikhuthazwa ikakhulu malunga nokuphuculwa kwezixhobo, ukuphuculwa kwenkqubo kunye nolawulo olukrelekrele.
3.1 Izixhobo kunye noPhuculo lweMathiriyeli
Lungiselela izixhobo zokufudumeza kwangaphambili, phuhlisa itekhnoloji ephezulu yokubala iqondo lokubola kunye{1}}nomgangatho ophezulu wokufudumeza, ukonyusa indawo yokufudumeza, yenza usasazo lwerhasi elinganayo, uphucule ukuguqulwa kobushushu besixhobo sokuqala, kunye nokunciphisa ukusetyenziswa kwamafutha okubalwa.
Lungiselela izixhobo zokupholisa, phuhlisa-ukusebenza okupholileyo okuthe nkqo kwikontini, ukonyusa ubushushu bobushushu bomoya wesibini, ukunciphisa ukuthatha inxaxheba ngokuthe ngqo komoya obandayo ekutshaseni, okunokunyusa ngokufanelekileyo ubushushu bokudubula eziko kunye nokunciphisa ukusetyenziswa kwamafutha.
Phucula izixhobo eziphikisayo, ngakumbi izixhobo ze-kiln lining, zamkele ii-refractory castables ezinokuxhathisa ukothuka kwe-thermal kunye nokumelana nokunxiba, lawula ngokungqongqo ubushushu bomzimba we-kiln kwindawo yokubala, kunye nokunciphisa ukulahleka kobushushu bomzimba we-oven.
3.2 UkuSetyenziswa kweNkunkuma kunye{1}} nobunzulu bobushushu
Yakha inkqubo yokusetyenziswa kwe-cascaded "yemathiriyeli ekrwada kunye nokufudumeza kwamafutha kwangaphambili - ukuveliswa kwamandla obushushu benkunkuma - ukufudumeza/unikezelo lomphunga wemveliso" ukuphucula umgangatho wokusetyenziswa kobushushu benkunkuma.
Kwinkqubo yokuvelisa i-lime rotary kiln, i-preheater kunye ne-cooler technologies zezona teknoloji zingundoqo zolu hlobo lweziko. I-preheater inciphisa ukukhutshwa kwegesi ephumayo kumsila we-kiln ngokufudumeza i-limestone ukuqaphela ukusetyenziswa kobushushu benkunkuma, kwaye i-cooler inciphisa ubushushu bokukhupha uthuthu ngokufudumeza umoya ovuthayo ukuqaphela umsebenzi wokusetyenziswa kobushushu kwangaphambili.
Ukufudumeza ubushushu obumdaka/ubuchwephesha bokubonelela ngobushushu: Dlulisa inkunkuma yobushushu berhasi yomsila kumanzi abandayo okanye kumoya obandayo ngokutshintshisa ubushushu ukuvelisa amanzi ashushu (80-120℃) okanye umphunga (0.3-0.6MPa), osetyenziselwa ukufudumeza umzi-mveliso, amanzi asekhaya abasebenzi okanye imveliso encedisayo. Ineendleko eziphantsi zotyalo-mali kwaye ifanelekile kumashishini amancinci naphakathi okanye iipaki ezinemfuno yokufudumeza kwindawo ejikelezileyo.
Irhasi ephumayo kumsila we-kiln ifuna inkqubo ye-denitrification. Ubushushu benkunkuma yegesi ye-rotary kiln tail ihlangabezana neemfuno zenkqubo ye-denitrification ephantsi{1}}, ngoko akukho mfuneko yokongeza izixhobo zokongeza ubushushu kwisitovu esitshisayo, esicutha utyalo-mali lolwakhiwo lwenkqubo ye-denitrification.
Itekhnoloji yobushushu obuphantsi-yobushushu obuphantsi bokukhenkcisa: Yamkela iiyunithi zokufunxa efrijini, ezisebenzisa inkunkuma yerhasi yomsila njengamandla okuqhuba ukupholisa amanzi ukuya kwi-7{3}}iqondo le-12 lokupholisa umoya kwiworkshop okanye inkqubo yokupholisa. Ilungele amashishini okucoca ubunzulu bekalika kwiindawo ezinobushushu obuphezulu okanye ngemfuno yesikhenkcisi, kwaye yenza "ubusika obufudumeleyo kunye nehlobo elipholileyo" inkqubo yokusetyenziswa kobushushu obubanzi kunye nobuchwepheshe bokufudumeza.
Kwimizila yokuvelisa ikalika ye-rotary kiln kusetyenziswa amalahle acoliweyo njengamafutha, igesi ephumayo eshushu kwi-oven tail isetyenziselwa ukomisa amalahle akrwada, ukuze inkunkuma yobushushu begesi yokukhupha igesi isetyenziswe ngokupheleleyo.
3.3 ULawulo oluBuchule kunye nokuPhuculwa kweParameter
Sebenzisa inkqubo yolawulo olukrelekrele yokulawula ngokuchanekileyo iiparamitha ezinje ngokubalwa kobushushu kunye nomlinganiselo wepetroli ngokusebenzisa i-algorithms, ukuqikelela iimeko ze-kiln kwangaphambili, ukunciphisa ukusetyenziswa kwamalahle kwenkqubo yokudubula, kunye nokwandisa isantya sokujikeleza kunye ne-angle yokuthambekela ye-oven body ukuze kuphuculwe ukusebenza kakuhle kotshintshiselwano lobushushu phakathi kwezinto kunye negesi eshushu. Fakela abenzi boluvo bobushushu, uxinzelelo, izinga lokuqukuqela, njl,njl
Izinto ezintsha ezi-4 kuSetyenziso lweNkunkuma yobushushu nguHandan Dingzheng Heavy Machinery Co., Ltd.
Njengesantya kushishino lwekalika, i-Handan Dingzheng Heavy Machinery Co., Ltd. ithatha inyathelo lokuqala lokwandisa uyilo, ithembele kwiingenelo eziqokelelweyo zobugcisa kunye namava kule minyaka, igcina isantya samaxesha, yazisa ngenkuthalo ubugcisa obutsha kunye neengqikelelo, kwaye yenze uthotho lwezinto ezintsha ekunciphiseni amandla kunye nokugcina ubushushu.
1 Ngesiseko sokuqinisekisa indawo yokutshintshiselana kobushushu, kunciphisa inani lezixhobo (izixhobo zokunyusa) kunye nokunciphisa izinga lokungaphumeleli; yamkela uhlobo lwekhompatimenti ezimeleyo kunye nomgangatho wetekhnoloji yekhompatimenti elungelelanisiweyo, eyenza ubushushu bokufudumala bezinto eziphathekayo kwindawo nganye yokufudumeza kube lula ukulungelelanisa nokulawula, kunye nobushushu bokufudumala buzinzile.
(2) Isibanda sisebenzisa indlela enkulu yokupholisa-kwindawo. I-cooler ihlukaniswe kwiindawo ezine zokupholisa kunye nokukhupha, kwaye isantya sokukhutshwa kwendawo nganye sinokulawulwa ngokuzimeleyo ngokuhambelana nobushushu bezinto eziphathekayo; umoya opholileyo udibana ngokuthe ngqo nekalika eshushu kwindawo epholileyo, enesiphumo esihle sokupholisa kunye nobushushu obuphantsi bokuphuma kothuthu (malunga nama-70 degrees ngaphezulu kobushushu be-ambient); emva kokuba umoya opholileyo upholise ikalika, ubushushu bunokufudunyezwa bube ngaphezulu kwe 750℃kwaye busetyenziswe njengokutshisa okwesibini{5}}umoya oxhasayo we-rotary kiln. Inomgangatho ophezulu wokutshintshiselana kobushushu kunye nesantya esiphezulu sokusetyenziswa kobushushu.
3 Xa kuthelekiswa nezipholileyo eziqhelekileyo, inesiphumo esingcono sokupholisa kunye nobomi benkonzo obude.
4 Ngokoxinzelelo olwahlukileyo kunye nokuphakama kwendawo nganye yokupholisa okuthe nkqo, iifeni ezinomthamo womoya owahlukileyo kunye noxinzelelo ziyasetyenziswa, ezilungele ukulungiswa, zinokuthintela ngokufanelekileyo izinto ezingaqhelekanga ezifana nokuncamathela kwezinto kunye nezinto ezibomvu, kunye nokuphucula ukusebenza kakuhle kokutshintshiselana kobushushu.
(5) Kumashishini okuvelisa ikalika yerotary kiln asebenzisa amalahle acoliweyo njengamafutha, ukusebenzisa irhasi yeflue kwi-ontini yomsila ukomisa amalahle yinkqubo eyonga kakhulu kwaye ekhuselekileyo. Ayigcini nje ngokugcina amandla obushushu afunekayo ekomisweni kodwa iqinisekisa nokhuseleko lokugaya amalahle. Le nkqubo ikhulile kakhulu kwaye ikhuthazwe kwaye yasetyenziswa.
(6) Ukutshatyalaliswa kobushushu be-lime rotary kiln cylinder sesinye sezizathu eziphambili zokusetyenziswa kobushushu obuphezulu kwi-rotary kiln. Indlela esebenzayo yokunciphisa ubushushu be-cylinder kukusebenzisa izinto eziphikisayo kunye nokusebenza kakuhle kwe-thermal insulation. Inkampani yethu yamkela itekhnoloji yezitena ezihlanganisiweyo ezinokumelana nobushushu obufanelekileyo, ukumelana nokunxiba kunye nokusebenza kobushushu bokufakelwa kwe-thermal, okunciphisa ngokufanelekileyo ubushushu bolusu lweziko, kunciphisa ukuchithwa kobushushu bomzimba we-oven, kwaye ikhokela ekuziseni izixhobo zokufakelwa kwe-5S super thermal kumgca wokuvelisa omhlophe ojikelezayo.
(7) Ubushushu obuphezulu be-rotary kiln cylinder bukwayindlela yophando. Ukongeza i-cover yokuqokelela ubushushu kwindawo yokubala kwi-onti ejikelezayo ukuqokelela nokusebenzisa le nxalenye yobushushu kunokusombulula ingxaki yokufudumeza kweeofisi kunye neendawo zokulala zabasebenzi kunye nengxaki yokuhlamba abasebenzi kunye notyalo-mali oluncinci kunye neziphumo ezikhawulezayo. Inkampani yethu yamkele esi sikimu kwiiprojekthi ezininzi, ikakhulu ezisetyenziswa kwiindawo ezibandayo ezisemantla.
Iimeko ezi-5 zeSicelo sokuSetyenziswa kobushushu beNkunkuma nguHandan Dingzheng Heavy Machinery Co., Ltd.
Njengeshishini elihamba phambili kwishishini le-rotary kiln lime, i-Handan Dingzheng Heavy Machinery Co., Ltd. iphendula kwiimfuno zemarike kwinkqubo yoyilo kunye nokwakhiwa kobunjineli kwaye ihlala ibeka ukugcinwa kwamandla kunye nokunciphisa ukukhutshwa kwindawo yokuqala. Iimeko ezininzi zezicelo zeeprojekthi zidweliswe ngezantsi.
(1) Kumgca we-800T/D we-rotary kiln lime yokuvelisa kwiplanti yentsimbi, ngaphezulu kwe-90% yomthombo wobushushu owomileyo ofunekayo kumalahle acoliweyo omatshini wamalahle aphuma kwigesi yokuphuma kwi-oven tail. Ukongeza, iqokobhe{4}}kunye{5}}netyhubhu yokutshintshiselana kobushushu iyongezwa kwindawo yokuphuma komoya ye-preheater. Amanzi ashushu angama-90 avela emva kokutshintshiselana kobushushu asetyenziselwa inkqubo yefriji ephakathi kwisityalo. Kwangaxeshanye, iqondo lobushushu lerhasi yokuphuma eshushu kwindawo yokuphuma ye-preheater iyancipha ukuya kutsho malunga ne-170 degree, edlala indima entle ekukhuseleni ingxowa yelaphu yomqokeleli wothuli oluphezulu{10}}okumelana nobushushu kumsila weonti kwaye yandisa ubomi bayo benkonzo. Umzobo we-1 ubonisa umtshintshi wobushushu kunye nobushushu bomsila we-kiln ngaphambi nangemva kokutshintshiselana kobushushu obuboniswe kwinkqubo yokulawula ephakathi.
(2) Kumgca wokuvelisa i-rotary kiln lime yeplanti yentsimbi kwiPhondo laseHebei, isixhobo sokuqokelela ubushushu sisilinda sifakwe kwicandelo lokubala kwi-rotary kiln ukuhlangabezana nemfuno yokufudumeza kweofisi yasebusika kwindawo yemveliso kunye nemfuno yokuhlamba yabasebenzi ehlotyeni. Ibhoyili yokushisa inkunkuma yongezwa kwindawo yokuphuma komoya ye-preheater, kwaye umphunga owenziweyo usetyenziselwa iimfuno zamanye amatyathanga amashishini enkampani.
3
6 Umqukumbelo
Ukusetyenziswa kobushushu benkunkuma yindlela ephambili kushishino lwekalika ukunciphisa iindleko nokwandisa ukusebenza kakuhle nokuphumeza iinjongo "zekhabhoni ezimbini". Umgaqo wokusetyenzwa kwenkunkuma yamandla kunye nenkunkuma yokubuyisela ubushushu kunye nokusetyenziswa "kukusebenzisa i-cascade,{1}}umgangatho ophezulu kunye{2}}nosetyenziso olusulungekileyo". Ukufumana kwakhona kunye nokusetyenziswa kobushushu benkunkuma yegesi ephuma kwimizi-mveliso, ngokomgaqo, kufuneka kuqala isetyenziswe ngokupheleleyo ukufudumeza umoya, amafutha kunye nezinto eziphathekayo. Ukuba ayinakufunyanwa ngokwayo, kufuneka isetyenziswe kwizibonelelo zangaphandle zokubuyisela ubushushu. Irhasi yeflue emsileni we lime rotary kiln ayibikho ngaphezulu kwe 250℃, eyeyegesi yobushushu obuphantsi{7}}. Itekhnoloji yokusetyenziswa kobushushu benkunkuma iphantsi kwemiqobo ethile, kwaye kusekho indawo enkulu yophuhliso kubuchwephesha bokubuyiswa kobushushu benkunkuma yerhasi.
Imveliso ye-Lime rotary kiln iphezulu-yamandla{1}}edlayo kwaye{2}}phezulu neshishini elikhuphayo. Ukubuyiswa kobushushu obusetyenzisiweyo kunye nokusetyenziswa ukuze kuzuzwe ugcino lwamandla kunye nokunciphisa ukukhutshwa kwe-eneji kutsale ingqalelo eyandisiweyo evela kumashishini okuvelisa ikalika. Indlela yokuphucula ngakumbi ukusebenza kakuhle kwe-thermal ye-rotary kilns, ukusebenzisa ngokupheleleyo inkunkuma ephantsi{5}}yobushushu begesi yobushushu bemithombo yobushushu kwimveliso ye-rotary kiln, kwaye ibuyiselwe kwaye isetyenziswe kusetyenziso lobushushu okanye imfuno yokupholisa yamashishini ukuphumeza ugcino lwamandla kunye nokunciphisa ukukhutshwa, ukunciphisa iindleko zemveliso kunye nokukhusela okusingqongileyo sisihloko esibalulekileyo esifanele uphando olunzulu{6}
Handan Dingzheng Heavy Machinery Co., Ltd.
