Idizayini Nokwakhiwa Kwe-Hot-dip Galvanizing Galvanizing Furnace Lining ye-Strip Steel
Uhlolojikelele:
Inqubo ye-hot-dip galvanizing ihlukaniswe izigaba ezimbili: ukuvuthela emgqeni kanye nokufaka uthayela ngaphandle komugqa ngokusekelwe ezindleleni ezahlukene zokwelashwa kwangaphambili. Isithando somlilo esiqhubekayo se-hot-dip galvanizing annealing steel siyinto yokuthungatha eshisisa amapuleti angempela afakwe idiphu ashisayo phakathi nenqubo yokufaka uthayela okusemgqeni. Ngokwezinqubo ezihlukene zokukhiqiza, izithando zensimbi ezicwebezelayo eziqhubekayo ze-hot-dip galvanizing annealing zingahlukaniswa zibe izinhlobo ezimbili: eziqondile nezivundlile. Isithando somlilo esivundlile empeleni sifana nesithando somlilo esiqondile esiqhubekayo, esinezingxenye ezintathu eziyisisekelo: isithando somlilo esandulela ukushisa, isithando somlilo esincishisiwe, kanye nesigaba sokupholisa. Isithando somlilo esiqondile sibizwa nangokuthi isithando somlilo sombhoshongo, esakhiwe ingxenye yokushisa, ingxenye yokucwiliswa, kanye nesigaba sokupholisa.
Isakhiwo se-lining se-strip steel annealing furnaces eqhubekayo
Izithando zomlilo wesakhiwo
(1) Ingxenye yokushisisa (isithando somlilo esandulela) isebenzisa igesi ye-petroleum ewuketshezi njengophethiloli. Izishisi zegesi zihlelwa ngokuphakama kodonga lwesithando somlilo. I-strip steel ifudunyezwa ohlangothini oluphikisanayo lwegesi yesithando somlilo eveza isimo esibuthakathaka se-oxidizing. Isigaba sokushisa (isithando somlilo esandulela ukushisa) sinesakhiwo esimise okwehhashi, futhi phezulu kanye nendawo yokushisa ephezulu lapho kuhlelwa khona ama-nozzles okushisa kunamazinga okushisa aphezulu kanye nesivinini esikhulu sokushaywa komoya, ngakho-ke udonga lwesithando somlilo luthatha izinto ezilula eziphikisayo, ezifana nezitini ezikhanyayo ze-CCEFIRE eziphezulu ze-aluminium, izitini ze-silicone ezishisayo, izitini ze-silicate ezishisayo. Isigaba sokushisa (isithando somlilo esishisayo) indawo yokushisa ephansi (i-strip steel yokungena endaweni) inezinga lokushisa eliphansi kanye nesivinini esiphansi sokugeleza komoya, ngakho-ke amamojula we-CCEWOOL ye-ceramic fiber avame ukusetshenziswa njengezinto zokwenziwa kodonga.
Ubukhulu bodonga lwengxenye ngayinye bumi kanje:
A. Phezulu kwesigaba sokushisa (isithando somlilo esandulela ukushisa).
Izitini ze-CCEFIRE eziphezulu ze-aluminium lightweight refractory zikhethwa njengolwelwesi oluphezulu lwesithando somlilo.
B. Isigaba sokushisisa (isithando somlilo esishisisa ngaphambili) indawo yokushisa ephezulu (indawo yokuthepha imicu)
Ulwelwesi lwendawo yokushisa ephezulu luhlala lwakhiwe ngezingqimba zezinto ezilandelayo:
I-CCEFIRE High Aluminium Lightweight Bricks (indawo eshisayo yolwelwesi lwamadonga)
CCEFIRE izitini zokufakelwa
I-CCEWOOL calcium silicate board (indawo ebandayo yolwelwesi lwamadonga)
Indawo yokushisa ephansi isebenzisa amamojula e-CCEWOOL ye-ceramic fibre (umthamo wevolumu ongu-200Kg/m3) aqukethe i-zirconium yokwakhiwa kolwelwesi.
(2) Esigabeni sokucwiliswa emanzini (isithando somlilo sokunciphisa), ithubhu elikhazimulayo legesi lisetshenziswa njengomthombo wokushisa wesithando somlilo sokunciphisa imicu. Amashubhu akhazimulayo egesi ahlelwe ngokuhambisana nokuphakama kwesithando somlilo. Umugqa ugijima futhi ushisisa phakathi kwemigqa emibili yamashubhu akhazimulayo. Isithando somlilo sinikeza igesi encishisiwe yesithando somlilo. Ngesikhathi esifanayo, ukusebenza kahle kwengcindezi kugcinwa njalo. Ngenxa yokuthi ukumelana nokushisa nokushisa okushisayo kwe-CCEWOOL i-ceramic fiber kuncishiswa kakhulu ngaphansi kwengcindezi enhle nokunciphisa izimo zomkhathi, kuyadingeka ukuqinisekisa ukumelana nomlilo okuhle kanye nemiphumela yokushisa ukushisa kwendwangu yesithando somlilo futhi unciphise isisindo somlilo. Futhi, ulayini lwesithando somlilo kufanele ulawulwe ngokuqinile ukuze ugweme ukwehla kwe-slag ukuze kuqinisekiswe ukuthi ingaphezulu lepuleti lokuqala elinothayela libushelelezi futhi lihlanzekile. Uma kucatshangelwa izinga lokushisa eliphezulu lesigaba sokunciphisa alidluli ku-950 ℃, izindonga zesithando somlilo zesigaba sokucwiliswa (isithando sokunciphisa) zamukela ungqimba olushisayo lwezinga lokushisa eliphakeme lezingubo zokulala ze-CCEWOOL ze-ceramic fiber noma ukotini ohlanganiswe phakathi kwezingqimba ezimbili zensimbi engashisi ukushisa, okusho ukuthi ingubo yokulala ye-CCEWOOL ye-ceramic fiber noma ungqimba lwensimbi kakotini lugandaywe. I-ceramic fiber interlayer yenziwe ngemikhiqizo elandelayo ye-ceramic fiber.
Ungqimba lweshidi lensimbi elikwazi ukumelana nokushisa endaweni eshisayo lisebenzisa izingubo zokulala ze-CCEWOOL zirconium fibre.
Isendlalelo esimaphakathi sisebenzisa izingubo zokulala ze-ceramic fibre ze-ceramic ezihlanzekile kakhulu.
Ungqimba oluseduze kwepuleti lensimbi elingaphezulu lisebenzisa ukotini we-ceramic fiber ye-CCEWOOL evamile.
Ingaphezulu nezindonga zesigaba sokucwiliswa (isithando somlilo sokunciphisa) zamukela isakhiwo esifanayo nangenhla. Isithando somlilo sigcina igesi encishisiwe yesithando somlilo equkethe u-75% H2 kanye no-25% N2 ukuze kubonwe ukuhlanganiswa kabusha kwensimbi yomugqa kanye nokuncipha kwe-iron oxide ebusweni bensimbi yomugqa.
(3) Isigaba sokupholisa: Amashubhu akhazimulayo apholile emoyeni apholisa umucu kusukela ekushiseni kwesithando (700-800°C) wesigaba sokucwiliswa (isithando sokunciphisa) ukuya ebhodweni le-zinc galvanizing temperature (460-520°C), futhi ingxenye yokupholisa igcina igesi yesithando somlilo esinciphisayo.
Ulwelwesi lwesigaba sokupholisa luthatha isakhiwo esinamathayela sezingubo zokulala ze-ceramic fiber ezihlanzekile kakhulu ze-CCEWOOL.
(4) Izingxenye zokuxhuma zesigaba sokushisa (isithando somlilo), isigaba sokucwilisa (isithando somlilo sokunciphisa), kanye nesigaba sokupholisa, njll.
Okungenhla kukhombisa ukuthi inqubo yokunamathisela yensimbi egoqelwe ngokubanda ngaphambi kokufaka imfucumfucu yediphu eshisayo idinga ukudlula ezinqubweni, njengokushisisa-ukucwiliswa-kupholisa, futhi inqubo ngayinye yenziwa ngesakhiwo esihlukile kanye namakamelo azimele eziko, abizwa ngokuthi isithando somlilo esandulela ukushisa, isithando somlilo esincishisiwe, kanye negumbi lokupholisa ngokulandelana, futhi akha iyunithi eqhubekayo yokupholisa. isithando somlilo). Phakathi nenqubo yokuthungatha, i-strip steel idlula ngokuqhubekayo emakamelweni omlilo azimele ashiwo ngenhla ngesivinini esiphezulu esingu-240m/min. Ukuze uvimbele i-oxidation yensimbi ye-strip, izigaba zokuxhuma ziqaphela ukuxhumana phakathi kwamakamelo azimele, okungavimbeli nje kuphela insimbi ye-strip ukuthi ifakwe i-oxidized emalungeni amagumbi omlilo ozimele, kodwa futhi iqinisekisa ukuvala nokugcinwa kokushisa.
Izingxenye zokuxhuma phakathi kwekamelo ngalinye elizimele zisebenzisa izinto ze-ceramic fiber njengezinto zokugqoka. Izinto ezithize kanye nezakhiwo zimi kanje:
Ulwelwesi lwamukela imikhiqizo ye-CCEWOOL ye-ceramic fiber kanye nesakhiwo se-fiber egcwele yamamojula we-ceramic fiber module. Okusho ukuthi, indawo eshisayo yolwelwesi i-CCEWOOL zirconium equkethe amamojula we-ceramic fiber + ama-tileed CCEWOOL izingubo zokulala ezijwayelekile ze-ceramic fiber (indawo ebandayo).
Isithando somlilo sesakhiwo esivundlile
Ngokwezidingo ezahlukene zobuchwepheshe zengxenye ngayinye yesithando somlilo esivundlile, isithando somlilo singahlukaniswa sibe yizigaba ezinhlanu: isigaba sokushisa (isigaba se-PH), ingxenye yokushisa engeyona i-oxidizing (isigaba se-NOF), ingxenye yokucwiliswa kwamanzi (isigaba sokunciphisa ukushisa kweshubhu elikhazimulayo; isigaba se-RTF), isigaba sokupholisa ngokushesha (isigaba se-JFC), nesigaba sokuqondisa (isigaba se-TDS). Izakhiwo ze-lining eziqondile zimi kanje:
(1) Isigaba sokushisa ngaphambili:
Ingaphezulu lesithando somlilo nezindonga zesithando somlilo zamukela ulayini womlilo oyinhlanganisela opakishwe ngamamojula we-CCEWOOL ye-ceramic fiber kanye nezingubo zokulala ze-ceramic fiber. Ilayini elinezinga eliphansi lezinga lokushisa lisebenzisa ungqimba lwezingubo zokulala zefiber ze-CCEWOOL 1260 ezicindezelwe ukuze zibe ngu-25mm, kuyilapho indawo eshisayo isebenzisa amabhlogo agoqiwe e-CCEWOOL aqukethe i-zirconium. Ulwelwesi olusezingxenyeni ezishisa kakhulu luthatha ungqimba lwe-CCEWOOL 1260 fiber blanket, kanti indawo eshisayo isebenzisa amamojula e-ceramic fibre.
Iphansi lesithando somlilo lithatha ulwelwesi oluhlanganisiwe oluhlanganisiwe lwezitini zobumba olukhanyayo kanye namamojula we-ceramic fiber; izingxenye eziphansi lokushisa zisebenzisa isakhiwo esiyinhlanganisela sezitini zobumba olukhanyayo kanye namamojula we-ceramic fiber aqukethe i-zirconium, kuyilapho izingxenye zokushisa okuphezulu zisebenzisa isakhiwo esiyinhlanganisela yezitini zobumba ezikhanyayo kanye namamojula we-ceramic fiber.
(2) Asikho isigaba sokushisisa nge-oxidation:
Ingaphezulu lesithando somlilo lamukela ukwakheka okuyinhlanganisela yamamojula e-ceramic fibre kanye nezingubo zokulala zefiber ye-ceramic, futhi ulwelwesi olungemuva lwamukela izingubo zokulala ze-ceramic fiber eziyi-1260.
Izingxenye ezivamile zezindonga zesithando somlilo: uhlaka oluhlanganisiwe lwesithando somlilo we-CCEFIRE izitini ezilula kakhulu ze-alumina + CCEFIRE izitini zokushisa ezishisayo ezishisayo (umthamo wevolumu 0.8kg/m3) + I-CCEWOOL 1260 i-ceramic fiber blankets + CCEWOOL calcium silicate board.
Izishisi zezindonga zesithando somlilo zamukela uhlaka oluhlanganisiwe lwesithando somlilo we-CCEFIRE izitini ze-alumina ezilula ezilula + izitini ze-CCEFIRE ezilula ezishisayo (umthamo wevolumu 0.8kg/m3) + 1260 CCEWOOL izingubo zokulala ze-ceramic fiber + CCEWOOL calcium silicate board.
(3) Isigaba sokucwiliswa:
Ingaphezulu lesithando somlilo lamukela uhlaka lomlilo oluyinhlanganisela lwezingubo zokulala ze-CCEWOOL ze-ceramic fiberboard.
Isikhathi sokuthumela: May-10-2021
