CA-50 rau castables mus txog 1,450 degree, CA-70 rau 1,450-1,600 degree, thiab CA-80 rau 1,600℃thiab siab dua - qib cov binder rau lub castable qhov kev pab kub, tsis txhob muab nqi. Ntawm no yog qhov khoom hais txog kev yuav cov calcium aluminate cement: nws zoo li cov cement zoo tib yam, cov nqi zoo li cov khoom tshwj xeeb, thiab ua haujlwm txawv kiag li. Calcium aluminate MAAs (CAC) yog tus khi tom qab feem ntau refractory castables - nws teem ceev, nce lub zog ceev, thiab ua kom nws cov qauv uas Portland cement tig mush. Xaiv qhov tsis ncaj ncees lawm qib thiab koj castable underperforms nyob rau sab saum toj kawg nkaus, los yog tus nqi ob zaug nws yuav tsum tau
Calcium Aluminate Cement yog dab tsi?
Calcium aluminate cement yog hydraulic binder uas nws cov ntsiab lus tseem ceeb yog calcium aluminates - CA (CaO·Al₂O₃) thiab CA₂ - es tsis yog cov silicates uas dominate Portland cement. Nws teev los ntawm hydration zoo li Portland, tab sis cov chemistry txawv: tsis muaj C₃S, tsis muaj C₂S, tsis muaj txiv qaub dawb tso tawm thaum lub sij hawm hydration. Qhov ntawd yog qhov ua rau nws refractory- qib.
Cov neeg yuav khoom tau pom dab tsi: cov hmoov grey lossis buff, ntim ntawm 25 kg lossis 1,000 kg, nrog tus lej Al₂O₃ ntawm COA. Tus lej ntawd yog qib.
CAC ua peb txoj haujlwm nyob rau hauv castable. Nws muab lub zog ntsuab kom cov hauv ob sab phlu tuav cov duab ua ntej thawj zaug cua sov. Nws tso tawm tsis muaj txiv qaub ntau dhau uas yuav soften ntawm qhov kub thiab txias. Thiab nws txhim kho lub zog sai - ib- hnub muaj zog ntawm 40-70 MPa yog qhov qub, uas yog vim li cas relines rov qab online sai.
CAC tau tsim los txij li xyoo 1900s thaum ntxov, thawj zaug rau siab -alumina siv cements, thiab kev lag luam refractory tau txais nws vim tsis muaj dab tsi ntxiv khi ib qho castable yav dhau los 1,200℃yam tsis muaj softening. Tsib caug xyoo dhau los, nws tseem yog tus qauv - tsis muaj leej twg tau ntaus chemistry.
Rau chemistry nyob rau hauv ntau qhov tob, pebpiav qhia txog calcium aluminate cementtaug kev los ntawm vim li cas cov mineralogy tseem ceeb.
Calcium Aluminate Cement Qib: Tus lej txhais li cas
Cov qib CAC muaj npe los ntawm cov ntsiab lus alumina. CA-50 muaj kwv yees li 50% Al₂O₃, CA-70 txog 70%, CA-80 siab dua 78%. Qib alumina tsav txhua yam: refractoriness, nqi, thiab kub qab nthab ntawm lub castable nws mus rau hauv.
CA-50 yog tus neeg ua haujlwm. Nws khi castables rau 1,200-1,450℃ntau yam, teeb tsa kev ntseeg siab, thiab yog qhov pheej yig tshaj plaws refractory-qib CAC koj tuaj yeem yuav. Feem ntau cov hom phiaj castable nroj tsuag khiav CA-50 raws li lawv tus qauv binder.
CA-70 yog rau castables uas fim 1,450-1,600 degree. Qhov ntxiv alumina nqa lub qab nthab refractory thiab txhim kho kev tiv thaiv rau slag thiab alkalis. Nws raug nqi ntau dua CA-50 thiab tsim nyog nws tsuas yog qhov chaw sib xyaw tiag tiag xav tau lub taub hau.
CA-80 yog qib siab tshaj - 1,600℃thiab siab dua, tsis tshua muaj hlau, siv hauv cov khoom siv zoo tshaj plaws thiab qhov chaw purity tseem ceeb. Peb kuj muab CA-80 dawb rau cov ntawv thov tshwj xeeb.
Cov ntsiab lus hlau yog tus lej thib ob los kuaj xyuas. Standard CAC nqa Fe₂O₃ nyob ib ncig ntawm 1.5-2%; qis-qib hlau tuav nws qis dua 0.5%. Tsawg-hlau calcium aluminate cement khaws cov castables los ntawm discoloring thiab tuav tau zoo dua hauv kev txo cov cua. Yog tias koj qhov spec hais txog cov hlau tsis tshua muaj, qhov ntawd yog qib premium, tsis yog daim ntawv lo lag luam.
Yuav Ua Li Cas Match CAC Qib rau Koj Castable
Txoj cai ntawm tus ntiv tes xoo: lub binder yuav tsum tsis txhob yog qhov tsis muaj zog ntawm qhov sib xyaw. Qib CAC mus rau castable qhov kev pabcuam kub, tsis yog qhov uas tus formulator muaj nyob rau hauv Tshuag.
Rau castables mus txog 1,450 degree, CA-50 ua haujlwm. Qhov no suav nrog feem ntau ntawm cov boiler linings, rauv phab ntsa, thiab cov hom phiaj sib tov. Kev siv CA-70 ntawm no yuav tsis muaj dab tsi tshwj tsis yog daim nqi siab dua.
Rau 1,450-1,600℃castables, CA-70. Qhov no yog kiln hood, burner block, thiab steel cog thaj chaw - cov cheeb tsam uas tsis muaj zog binder tshwm sim raws li ntxov ntxov spalling. Yog tias koj tab tom formulating asiab alumina castable, CA-70 yog qib tus khub ib txwm muaj.
Rau 1,600℃thiab siab dua, los yog qhov chaw sib tov xav tau hlau tsawg, CA-80. Hwm castables rau txhuas melting thiab petrochemical lub luag hauj lwm feem ntau qhia nws.
Ib qho cuab yeej peb pom: yuav CAC ntawm tus nqi ib tuj ib leeg. Ob lub CA-70 ntau los ntawm cov mills sib txawv tuaj yeem sib txawv ntawm lub sijhawm teem sijhawm thiab lub zog thaum ntxov los ntawm kev txaus los hloov koj lub sijhawm tsim khoom. COA yuav tsum qhia Al₂O₃, Fe₂O₃, SiO₂, CaO, teem sijhawm, thiab 1-hnub / 3-hnub muaj zog - thiab peb xa ib qho nrog txhua ntau.
Qhov twg Calcium Aluminate Cement mus dhau Castables
Castables yog cov neeg siv khoom loj, tab sis CAC tshwm sim hauv ntau qhov chaw. Ramming sib tov thiab cov khoom siv phom siv nws ua tus khi. Refractory mortars thiab kho patching mixs cia siab rau nws lub zog ceev ceev. Precast shapes - burner blocks, tundish boards, ladle cover - use CAC-bonded low- cement mixes. Sab nraum cov refractories, CAC ua haujlwm ceev- teeb tsa hauv pem teb, cov kav dej phwj tuaj, thiab siab- ntxov- kho lub zog ua haujlwm uas cov pob zeb zoo tib yam tsis tuaj yeem kho sai txaus.
Lub ntsiab lus kawg no tseem ceeb rau kev xa khoom. Tus neeg siv khoom tsim kho thiab cov nroj tsuag refractory xav tau cov khoom sib txawv ntawm tib lub CAC zeb: sib txawv fineness, sib xws sib xws, sib txawv COA qhov tseem ceeb. Qhia rau koj tus neeg muag khoom seb cov cement yog dab tsi rau - refractory - qib CAC spec yog nruj dua li kev tsim kho- qib ib. Peb puvmonolithic refractory ntau yamqhia cov castables no binder mus rau hauv.
Sourcing Calcium Aluminate Cement los ntawm Tuam Tshoj: Yuav Ua Li Cas Tshawb Xyuas
Tuam Tshoj yog lub hauv paus loj tshaj plaws CAC ntau lawm, thiab cov neeg yuav khoom thoob ntiaj teb feem ntau xaus qhov khoom ntawm no. Cov checks uas tseem ceeb:
Ua ntej, lub zeb, tsis yog tus tub luam. Nug rau daim ntawv tso cai tsim khoom, ISO 9001 daim ntawv pov thawj, thiab cov nroj tsuag cov khoom siv raw. Suav bauxite zoo sib txawv raws cheeb tsam, thiab lub zeb tus neeg muag khoom bauxite txiav txim siab seb koj cov calcium aluminate cement tuaj yeem ua tau li cas.
Thib ob, COA format. Ib qho CAC COA zoo teev Al₂O₃, Fe₂O₃, SiO₂, CaO, MgO, teem sijhawm, thiab lub zog. Yog tias tus neeg muag khoom tsis tuaj yeem tsim qhov no rau ntau, txav mus. Peb xa peb cov khoom nrog txhua qhov khoom xa tuaj thiab khaws cov qauv khaws cia ntawm ob sab.
Thib peb, ntim thiab noo noo. CAC hydrates yog tias nws ntub dej - ruined hmoov teev nyob rau hauv lub hnab . 25 kg valve hnab nrog inner liner, los yog 1,000 kg tej hnab, palletized thiab shrinks - qhwv rau hiav txwv freight. Nug kom muaj kev tiv thaiv dej kom meej; nws raug nqi me me thiab txuag tau ntau heev.
Plaub, sim ua ntej ntim. Ib qho 1-tuj ntau qhia koj lub sijhawm, lub zog nce, thiab xim sib xws hauv koj tus kheej sib xyaw - pheej yig pov hwm ua ntej 50-tuj xaj. Txhua CAC zeb uas tsis kam muab qhov kev sim ntau yog qhia rau koj ib yam.
Kev txiav txim: MOQ, Nqe & Lub Sijhawm Ua Haujlwm
MOQ yog 5 tons ib qib, sib xyaw qib txais tos hauv ib lub thawv. Qhov taw qhia tus nqi, FOB Qingdao: CA-50 khiav
Peb khaws 300+ tons ntawm CA-50 thiab CA-70 hauv Qingdao - cov qib feem ntau cov nroj tsuag castable xaj txhua hli. Yog tias koj xav tau ntau qhov kev sim ua ntej cog lus, 1-tuj qauv xa tuaj hauv ib lub lis piam.
Xa peb koj lub hom phiaj tsim qauv lossis qib castable koj tsim, thiab peb yuav lees paub CAC qib, COA qauv, thiab ntim khoom hauv 24 teev. Peb cov engineers tau tsim cov castables rau 15 xyoo - peb tuaj yeem tshawb xyuas koj daim ntawv qhia dawb ua ntej koj xaj. Peb cov nplooj ntawv khoom nqa daim ntawv qhia ceev yog tias koj tsuas xav tau cov lej.
Kev Tswjhwm Zoo & Yuav Ua Li Cas Nrog Txhua Qhov Ntau
ISO 9001: 2015 (Certificate No. 16202001575Q) npog cov nroj tsuag. Kev sim ua raws li GB / T 201-2015 rau aluminate cements. Txhua calcium aluminate cement ntau nkoj nrog COA: Al₂O₃, Fe₂O₃, SiO₂, CaO, MgO, teem sijhawm, 1-hnub thiab 3-hnub compressive zog, thiab fineness. Peb kuaj txhua batch, tsis yog txhua yam khoom xa tuaj.
Cov qauv khaws cia tau khaws cia rau txhua qhov ntawm ob sab. Yog tias muaj kev tsis sib haum xeeb tshwm sim - thiab hauv kaum xyoo ntawm CAC muab khoom, peb tau muaj ib qho - peb sim ob qho tib si ua ke thiab daws cov lej.
Cov kab hauv qab: calcium aluminate cement yog cov ntawv khi uas txiav txim siab zoo npaum li cas koj cov castable muaj sia nyob ua ntej cua sov - qib nws mus rau qhov kev pabcuam kub, txheeb xyuas COA, thiab yuav los ntawm lub zeb uas ntsuas txhua pawg. Xa koj cov khoom sib xyaw rau peb, thiab peb yuav paub meej tias qib zoo hauv 24 teev.
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