Umklamo kanye nokwakhiwa kwe-Continuous Hot-dip Galvanizing Annealing Furnace Lining ye-Strip Steel
Ukubuka konke:
Inqubo ye-hot-dip galvanizing ihlukaniswe ngezigaba ezimbili: i-in-line galvanizing kanye ne-out-of-line galvanizing ngokusekelwe ezindleleni ezahlukene zangaphambi kokwelashwa. I-continuous hot-dip galvanizing annealing furnace yensimbi ye-strip iyithuluzi lokunamathisela elifudumeza amapuleti okuqala e-hot-dip galvanizing ngesikhathi senqubo ye-in-line galvanizing. Ngokwezinqubo ezahlukene zokukhiqiza, ama-strip steel continuous hot-dip galvanizing annealing furnace angahlukaniswa ngezinhlobo ezimbili: aqondile naqondile. I-horizontal furnace empeleni ifana ne-straight-through continuous annealing furnace ejwayelekile, equkethe izingxenye ezintathu eziyisisekelo: i-preheating furnace, i-reduction furnace, kanye ne-cooling section. I-vertical furnace ibizwa nangokuthi i-tower furnace, eyakhiwa yi-heating section, i-cwilisa, kanye ne-cooling section.
Isakhiwo se-lining sezithando zokufaka insimbi eziqhubekayo
Izithando zesakhiwo sombhoshongo
(1) Ingxenye yokushisa (isithando sokushisa kusengaphambili) isebenzisa igesi kaphethiloli encibilikisiwe njengophethiloli. Izishisi zegesi zihlelwe eceleni kokuphakama kodonga lwesithando. Insimbi eyisicaba ishiswa ohlangothini oluphambene negesi yesithando oluveza umoya obuthakathaka wokuxova. Ingxenye yokushisa (isithando sokushisa kusengaphambili) inesakhiwo esimise okwesicathulo sehhashi, futhi indawo yayo ephezulu kanye nendawo yokushisa ephezulu lapho kuhlelwe khona ama-nozzle esithando anokushisa okuphezulu kanye nesivinini esiphezulu sokugobhoza komoya, ngakho-ke ulwelwesi lwedonga lesithando lusebenzisa izinto ezilula zokungaguquki, njengezitini zokukhanya ze-aluminium ephezulu ze-CCEFIRE, izitini zokushisa ezishisayo, kanye namabhodi e-calcium silicate. Indawo yokushisa ephansi (isithando sokushisa kusengaphambili) (indawo yokungena yensimbi eyisicaba) inokushisa okuphansi kanye nesivinini sokugobhoza komoya okuphansi, ngakho-ke amamojula e-fiber e-ceramic e-CCEWOOL avame ukusetshenziswa njengezinto zolwelwesi lwedonga.
Ubukhulu bodonga lwengxenye ngayinye bungokulandelayo:
A. Ingxenye ephezulu yokushisa (isithando sokushisa kusengaphambili).
Izitini ze-CCEFIRE ezine-aluminium ephezulu ezikhazimulayo zikhethwa njengendwangu yokubeka phezulu kwesithando somlilo.
B. Indawo yokushisa ephezulu (isithando sokushisa kusengaphambili) yesigaba sokushisa okuphezulu (indawo yokuthepha nge-strip)
Ulwelwesi lwendawo yokushisa okuphezulu luhlala lwakhiwe yilezi zingxenye ezilandelayo zezinto:
Izitini Ezilula Ze-CCEFIRE High Aluminium (indawo eshisayo yodonga)
Izitini zokuvimbela i-CCEFIRE
Amabhodi e-CCEWOOL calcium silicate (ubuso obubandayo bodonga)
Indawo yokushisa ephansi isebenzisa amamojula e-CCEWOOL ceramic fiber (ubuningi obungu-200Kg/m3) aqukethe i-zirconium yokwemboza.
(2) Engxenyeni yokucwilisa (isithando sokunciphisa), ipayipi legesi elikhanyayo lisetshenziswa njengomthombo wokushisa wesithando sokunciphisa umcu. Amapayipi egesi akhanyayo ahlelwe eceleni kokuphakama kwesithando somlilo. Umcu ugijima futhi ushiswa phakathi kwemigqa emibili yamapayipi egesi akhanyayo. Isithando somlilo sinikeza igesi enciphisa isithando somlilo. Ngesikhathi esifanayo, ukusebenza kwengcindezi enhle kuhlala kugcinwa. Ngenxa yokuthi ukumelana nokushisa kanye nokushisa kwe-fiber ye-ceramic ye-CCEWOOL kuncishiswa kakhulu ngaphansi kwengcindezi enhle kanye nezimo zomoya ezincishisiwe, kubalulekile ukuqinisekisa ukumelana okuhle komlilo kanye nemiphumela yokushisa kwe-lining yesithando somlilo kanye nokunciphisa isisindo sesithando somlilo. Futhi, ulwelwesi lwesithando somlilo kumele lulawulwe ngokuqinile ukuze kugwenywe ukuwa kwe-slag ukuqinisekisa ukuthi ubuso bepuleti lokuqala elihlanganisiwe bubushelelezi futhi buhlanzekile. Uma kucatshangelwa izinga lokushisa eliphezulu lesigaba sokunciphisa alidluli ku-950 ℃, izindonga zesithando somlilo sesigaba sokunciphisa (isithando sokunciphisa) zamukela isakhiwo sesendlalelo sokushisa esiphezulu sezingubo ze-fiber ye-ceramic ye-CCEWOOL noma ikotini ehlanganiswe phakathi kwezingqimba ezimbili zensimbi engamelani nokushisa, okusho ukuthi ingubo ye-fiber ye-ceramic ye-CCEWOOL noma ulwelwesi lukakotini lubekwe phakathi kwamapuleti amabili ensimbi. Ingqimba ye-ceramic fiber yakhiwe ngemikhiqizo elandelayo ye-ceramic fiber.
Isendlalelo seshidi lensimbi elingashisi ukushisa endaweni eshisayo sisebenzisa izingubo zokulala ze-CCEWOOL zirconium fiber.
Isendlalelo esiphakathi sisebenzisa izingubo zokulala ze-ceramic ezihlanzekile kakhulu ze-CCEWOOL.
Ingqimba eseduze kwepuleti lensimbi elingaphezulu elibandayo isebenzisa ukotini we-CCEWOOL ojwayelekile wefayibha ye-ceramic.
Ingaphezulu kanye nezindonga zesigaba sokucwilisa (isithando sokunciphisa) zakha isakhiwo esifanayo nesingenhla. Isithando somlilo sigcina igesi yesithando sokunciphisa equkethe i-75% H2 kanye ne-25% N2 ukuze kufezwe ukuphindaphindwa kwe-crystallization yensimbi yesitha kanye nokuncipha kwe-iron oxide ebusweni bensimbi yesitha.
(3) Ingxenye yokupholisa: Amashubhu akhanyayo apholile emoyeni apholisa umugqa kusukela ekushiseni kwesithando (700-800°C) sesigaba sokucwilisa (isithando sokunciphisa) kuya ekushiseni kwebhodwe le-zinc galvanizing (460-520°C), kanti ingxenye yokupholisa igcina igesi yesithando sokunciphisa.
Ulwelwesi lwengxenye yokupholisa lusebenzisa isakhiwo esinamathayili sezingubo zokulala ze-ceramic ezihlanzekile kakhulu ze-CCEWOOL.
(4) Izingxenye ezixhumanisayo zesigaba sokushisa (isithando sokushisa kusengaphambili), isigaba sokucwilisa (isithando sokunciphisa), kanye nesigaba sokupholisa, njll.
Lokhu okungenhla kubonisa ukuthi inqubo yokubopha insimbi egoqwe ngokubandayo ngaphambi kokufaka i-hot-dip galvanizing idinga ukudlula ezinqubweni, njengokupholisa ngokushisa, futhi inqubo ngayinye yenziwa ngesakhiwo esihlukile kanye namakamelo esithando azimele, abizwa ngokuthi isithando sokushisa sangaphambi kwesikhathi, isithando sokunciphisa, kanye negumbi lokupholisa ngokulandelana, futhi akha iyunithi yokubopha i-strip eqhubekayo (noma isithando sokubopha). Ngesikhathi senqubo yokubopha i-strip, insimbi ye-strip idlula njalo emakamelweni esithando azimele okukhulunywe ngawo ngenhla ngesivinini esiphezulu esingu-240m/min. Ukuze kuvinjelwe ukubola kwensimbi ye-strip, izingxenye ezixhumanisayo zibona ukuxhumana phakathi kwamakamelo azimele, okungavimbeli nje kuphela insimbi ye-strip ukuthi i-oxidized emajoyintini emakamelweni esithando azimele, kodwa futhi kuqinisekisa ukuvalwa nokulondolozwa kokushisa.
Izingxenye ezixhumanisayo phakathi kwegumbi ngalinye elizimele zisebenzisa izinto zefayibha ye-ceramic njengezinto zokwemboza. Izinto nezakhiwo ezithile yilezi ezilandelayo:
Indwangu yamukela imikhiqizo ye-fiber ye-ceramic ye-CCEWOOL kanye nesakhiwo se-fiber esigcwele samamojula e-fiber ye-ceramic afakwe amathayela. Okusho ukuthi, ubuso obushisayo bendwangu yi-CCEWOOL zirconium-containing ceramic fiber modules + ama-blanket e-ceramic fiber ajwayelekile efakwe amathayela e-CCEWOOL (indawo ebandayo).
Isithando somlilo esivundlile
Ngokwezidingo zobuchwepheshe ezahlukene zengxenye ngayinye yesithando somlilo esivundlile, isithando somlilo singahlukaniswa sibe yizigaba ezinhlanu: isigaba sokushisa kusengaphambili (isigaba se-PH), isigaba sokushisa esinga-oxidizing (isigaba se-NOF), isigaba sokucwilisa (isigaba sokunciphisa ukushisa ngeshubhu elikhanyayo; isigaba se-RTF), isigaba sokupholisa ngokushesha (isigaba se-JFC), kanye nesigaba sokuqondisa (isigaba se-TDS). Izakhiwo ezithile ze-lining zimi kanje:
(1) Isigaba sokushisa kwangaphambili:
Ingaphezulu lesithando kanye nezindonga zesithando kusebenzisa ulwelwesi lwesithando oluhlanganisiwe oluhlanganiswe namamojula e-fiber e-ceramic e-CCEWOOL kanye namablanketi e-fiber e-ceramic. Ulwelwesi oluphansi lusebenzisa ungqimba lwezingubo ze-fiber ze-CCEWOOL 1260 ezicindezelwe zibe ngu-25mm, kuyilapho ubuso obushisayo busebenzisa amabhlogo ahlanganisiwe e-fiber equkethe i-CCEWOOL zirconium. Ulwelwesi olusezingxenyeni ezishisa kakhulu lusebenzisa ulwelwesi lwengubo ye-fiber ye-CCEWOOL 1260, kanti ubuso obushisayo busebenzisa amamojula e-fiber e-ceramic.
Iphansi lesithando lisebenzisa ulwelwesi oluhlanganisiwe oluhlanganisiwe lwezitini zobumba olukhanyayo kanye namamojula e-ceramic fiber; izingxenye ezinokushisa okuphansi zamukela isakhiwo esihlanganisiwe sezitini zobumba olukhanyayo kanye namamojula e-ceramic fiber aqukethe i-zirconium, kuyilapho izingxenye ezinokushisa okuphezulu zamukela isakhiwo esihlanganisiwe sezitini zobumba olukhanyayo kanye namamojula e-ceramic fiber.
(2) Isigaba sokushisa esingenayo i-oxidation:
Ingxenye ephezulu yesithando isebenzisa isakhiwo esihlanganisiwe samamojula e-ceramic fiber kanye nezingubo ze-ceramic fiber, kanti ulwelwesi lwangemuva lusebenzisa izingubo ze-ceramic fiber ezingu-1260.
Izingxenye ezivamile zezindonga zesithando somlilo: isakhiwo sophahla lwesithando esihlanganisiwe sezitini ze-CCEFIRE ezilula ze-alumina ephezulu + izitini ze-CCEFIRE ezilula zokushisa (ubuningi bevolumu 0.8kg/m3) + izingubo zokulala ze-CCEWOOL 1260 ze-ceramic fiber + amabhodi e-CCEWOOL calcium silicate.
Izitsha zodonga lwesithando zisebenzisa isakhiwo sokufakwa kwesithando esihlanganisiwe sezitini ze-CCEFIRE ezilula ze-alumina eziphakeme + izitini ze-CCEFIRE ezilula zokushisa (ubuningi bevolumu 0.8kg/m3) + izingubo zokulala ze-ceramic fiber ze-CCEWOOL ezingu-1260 + amabhodi e-calcium silicate e-CCEWOOL.
(3) Ingxenye yokucwilisa:
Ingxenye ephezulu yesithando isebenzisa isakhiwo sokufakwa kwesithando esihlanganisiwe sezingubo zokulala ze-fiberboard ze-ceramic ze-CCEWOOL.
Isikhathi sokuthunyelwe: Meyi-10-2021
