Koj xav tau lub qhov cub lossis qhov cub ua kom muaj txoj cai - thawj zaug. Mullite insulating cib yog ib qho kev xaiv zoo tshaj plaws rau kev rwb thaiv tsev tiv thaiv thiab xaiv qhov kub-ntsej muag nyob rau hauv cov kilns, kho cua sov rauv, thiab ceramic tunnel kilns. Cov ntsiab lus Al₂O₃ yog li ntawm 37% (JM23) mus rau 77% (JM32), yog li muaj qib rau yuav luag txhua qhov kub thiab txias ntawm 1260℃thiab 1760 degree.
Daim ntawv qhia no suav nrog tag nrho cov duab: cov kev qhia tshwj xeeb los ntawm qib, tus nqi Hoobkas, MOQ, kev txiav txim cov kauj ruam, thiab daim ntawv teev npe kev teeb tsa. Yog tias koj twb paub tias koj xav tau qib twg, hla ncaj qha mus rau tshooj Yuav Ua Li Cas.
Mullite Insulating Brick yog dab tsi?
Mullite insulating cib yog cov khoom siv refractory tsim nrog mullite (3Al₂O₃·2SiO₂) ua thawj theem crystalline. Nws muaj 37–77% Al₂O₃ nyob ntawm qib. Cov txheej txheem tsim khoom siv high-purity alumina, mullite aggregate, thiab organic pore-forming agents raug rho tawm haujlwm ntawm qhov kub siab tshaj 1400 degree.
Qhov tshwm sim: lub teeb yuag, tsis tshua muaj hluav taws xob ci ci uas tuav nws cov duab nyob rau hauv qhov kub thiab txias - tsis muaj qhov hnyav ntawm qhov hnyav hnyav.
Qhov twg nws haum rau hauv ib txoj kab ke? Mullite insulating cib feem ntau yog siv raws li:
thaub qab rwb thaiv tsevtom qab lub denser ua hauj lwm hauv ob sab phlu
Plhaub-sab rwb thaiv tsevkom txo cov cua sov sab nraud
Lub ntsej muag kubhauv cov ntawv thov qis dua (tunnel kilns, shuttle kilns, heat-treatment furnaces) qhov twg thermal cycling nquag thiab puas tsawg heev
Nws yogtsis yogtxoj kev xaiv rau kev sib cuag ncaj qha nrog molten hlau, txhoj puab heev slag, los yog hnyav mechanical puas. Rau cov haujlwm no, saib ntom ntom-alumina cib lossisrefractory castable.
JM Qib Specifications - Cov lus sib piv tag nrho
Tsib qib txheej txheem npog tag nrho kev lag luam kub ntau yam. Ntawm no yog cov ntaub ntawv buyers tiag tiag xav tau:
| Qib | Al₂O₃ (%) | Kev ntsuas kub (degree) | Qhov ceev (g / cm³) | CCS (MPa) | Thermal conductivity @ 400℃(W / m·K) | Thermal conductivity @ 1000℃(W / m·K) |
|---|---|---|---|---|---|---|
| JM23 | 37 | 1260 | 0.55–0.62 | 1.2 | 0.14 | 0.20 |
| JM26 | 54 | 1430 | 0.78–0.80 | 1.6 | 0.27 | 0.33 |
| JM28 | 64 | 1540 | 0.88 | 2.1 | 0.32 | 0.38 |
| JM30 | 72 | 1650 | 1.03 | 2.5 | 0.41 | 0.45 |
| JM32 | 77 | 1760 | 1.25 | 3.5 | 0.49 | 0.53 |
Tau qhov twg los: ASTM C155 tus qauv kev faib tawm; muaj nuj nqis los ntawm kev kuaj hauv tsev.
Txheem loj: 230 × 114 × 65mm (ncaj cib). Npuag, koov, thiab cov duab kev cai muaj nyob rau ntawm kev thov nrog kos duab xa.
Reheating linear hloov (PLC): txhua qib tuav tsawg dua lossis sib npaug ntawm −0.5% rau −0.9% hauv qab 8-teev ntub dej ntawm qhov ntsuas kub, lees paub qhov kev ruaj ntseg hauv kev ua haujlwm tas mus li.
Ntsiab nta & Cov txiaj ntsig
Tsawg thermal conductivity → qis zog nqi.JM23 ntawm 0.14 W/m·K txhais tau hais tias koj lub plhaub cub tawg nyob twj ywm txias thiab koj cov nqi roj ib lub voj voog poob. Peb tau pom cov neeg ua haujlwm ceramic kiln txiav cov roj noj los ntawm 18-22% tom qab hloov los ntawm cov hluav taws kub hnyav rau JM26 rwb thaiv tsev txheej.
Lub teeb yuag → installation sai dua.Ntawm 0.55–0.62 g / cm³, JM23 cib hnyav roughly 1.0 kg ib tus qauv. ntomhigh-alumina cibnyob rau tib qhov loj: 3.2 kg. Qhov sib txawv ntawd ntxiv nrawm nrawm thoob plaws hauv ob lub qhov cub.
Siab thermal shock tsis kam → tsawg kaw thaum muaj xwm ceev.Cov qauv siv lead ua mullite zam rov qab cua sov / cua txias dua zoo dua li cov khoom siv ntom ntom ntom ntom. Qhov no tseem ceeb hauv batch furnaces thiab shuttle kilns qhov twg txhua hnub caij tsheb kauj vab yog tus qauv.
Al₂O₃–SiO₂ tshuaj stability → broad cua compatibility.Zoo tiv taus acid thiab alkali yaig. Haum rau oxidizing, txo, thiab nruab nrab cua nyob rau hauv feem ntau cov ntawv thov kev lag luam.
Cov qib dav dav → ib tus neeg xa khoom, ntau thaj chaw hauv ob sab phlu.Los ntawm JM23 thaub qab rwb thaiv tsev ntawm 1260℃rau JM32 kub-ntsej muag ntawm 1760℃- peb npaj lawv tag nrho. Ib qhov chaw, ib qho khoom xa tuaj, ib txheej ntawm cov ntaub ntawv ntshuam.
Kev lag luam kev siv
Ceramic & Pottery Kilns
Qhov chaw kilns, shuttle kilns, thiab cov menyuam kilns siv JM26 lossis JM28 ua lub hauv paus tseem ceeb nrog JM23 txheej txheej. Thermal cycling nyob rau hauv shuttle kilns - qee zaum 4-6 cycles ib hnub twg - xav tau ib lub cib nrog cov thermal shock resistance. Qhov ntawd yog qhov uas mullite outperforms standard light-weight fire av nplaum cib (LWFC).
Thaum tshav kub kub-Tshuaj & Muaj Rauv
Annealing furnaces, hardening furnaces, thiab tempering furnaces nyob rau hauv metallurgy thiab automotive industries feem ntau khiav 800-1200 degree. JM26 ua haujlwm rau qhov no nrog chav rau seem. The low heat storage (a direct function of low bulk density) means faster heat-up time - important for cycle-time-sensitive operations.
Iav Melting Rauv
Lub regenerative chambers thiab sab sauv qauv nyob rau hauv iav furnaces ua hauj lwm ntawm 1300-1600 degree. JM28 thiab JM30 yog cov qauv xaiv ntawm no. Ib tsob ntoo iav hauv tebchaws Iyiv tau hloov lawv cov txheej txheem rwb thaiv tsev uas twb muaj lawm nrog peb JM28 cib hauv 2024 - lawv cov tshuaj yav dhau los tau siv sijhawm 14 lub hlis. Kev teeb tsa tam sim no tau hla 20 lub hlis uas tsis tau tshaj tawm qhov tsis ua haujlwm.
Petrochemical Cracking & Reforming Rauv
Cracking furnaces thiab steam reformers xav tau rwb thaiv tsev uas ua haujlwm thermal gradients thiab hydrogen atmospheres. JM26 thiab JM28 tau siv dav hauv cov ntawv thov no. Cov ntsiab lus tseem ceeb: qis Fe₂O₃ cov ntsiab lus (peb JM28 khiav 0.8% max) los tiv thaiv cov tshuaj tiv thaiv catalytic nyob rau hauv ib puag ncig hydrogen-nplua nuj.
Blast Furnace Scues & Cement Kilns
Lub qhov cub kub kub thiab cov cement preheater yees siv JM28-JM30 qib hauv cov haujlwm xaiv. Rau cov cement rotary kiln lub hauv paus tseem ceeb hauv ob sab phlu, peb pom zoo kom ua ke nrog ib txheej tuab alumina ua haujlwm ntau dua li siv.mullite insulating cibraws li cov khoom siv lub ntsej muag kub.
Yuav Ua Li Cas Xaiv Txoj Cai JM Qib
Peb cov lus nug txo qis ceev ceev:
1. Koj qhov kev ua haujlwm siab tshaj plaws yog dab tsi?Ntxiv 50-80℃kev nyab xeeb margin saum koj cov txheej txheem siab tshaj plaws. Yog tias koj lub qhov cub tawg ntawm 1380 degree, JM26 (rated 1430 degree) yog qhov tsawg kawg nkaus. Xav txog JM28 yog tias ua tau thermal spikes.
2. Qhov no puas yog lub ntsej muag kub lossis txoj haujlwm thaub qab?Lub ntsej muag kub yuav tsum muaj zog dua txias crushing zog (CCS) thiab zoo dua nto stability. JM28 (CCS 2.1 MPa) lossis siab dua rau lub ntsej muag kub. JM23 los yog JM26 rau ntshiab thaub qab rwb thaiv tsev tom qab ib tug denser ua hauj lwm txheej.
3. Ntev npaum li cas yog thermal cycling?Kev caij tsheb kauj vab txhua hnub (shuttle kilns, batch furnaces): ua qhov tseem ceeb ntawm thermal shock resistance - JM series ua haujlwm zoo rau txhua qib. Kev ua haujlwm tsis tu ncua (tunnel kilns, rotary kilns): dimensional stability (PLC) yog qhov sib txawv tseem ceeb - paub meej tias cov ntaub ntawv ntsuas ntsuas ntsuas.
Ib daim ntawv qhia ncaj ncees: yog tias koj qhov kev khiav hauj lwm kub nyob qis dua 1000℃thiab txoj hauj lwm yog cov rwb thaiv tsev ruaj khov,calcium silicate board(CSB) yuav insulate zoo dua ib duas. Peb muag CSB ib yam nkaus. Tsis muaj qhov taw qhia muag koj ntawm mullite yog CSB haum rau txoj haujlwm.
Yuav Thov Li Cas: Nqe, MOQ & Lub Sijhawm Lead
Factory Pricing (2025 Siv)
| Qib | Nqe ib thooj (USD) | Nqe ib Metric Ton (USD) | Sau ntawv |
|---|---|---|---|
| JM23 | 1.20–1.80 | 450–580 | Feem ntau, qhov zoo tshaj plaws Tshuag muaj |
| JM26 | 1.60–2.20 | 560–680 | Qib siab ntim, lub sijhawm ua haujlwm zoo |
| JM28 | 2.00–2.80 | 680–790 | Cov khoom lag luam nruab nrab |
| JM30 | 2.50–3.20 | 750–850 | Ua-rau-kev txiav txim rau ntau qhov ntau |
| JM32 | 3.00–4.00 | 900–1,100 | Qib tshwj xeeb, paub meej tias muaj |
FOB Qingdao. Cov nqi sib txawv nrog kev txiav txim ntim, specifications, thiab raw khoom lag luam thaum lub sij hawm txiav txim.
MOQ
Cov qhab nia (JM23, JM26):2 metric tons(kwv yees li 1,000-1,500 pcs tus qauv loj)
JM28, JM30:3 metric tons
JM32 thiab cov duab kev cai:5 metric tonslos yog ib qhov kev pom zoo
Qauv xaj (kev kuaj / kev pom zoo):50-100 pcs, freight buyer tus account
Lub Sijhawm Lead
Standard qib hauv Tshuag:7-12 hnubex- Hoobkas
Made-rau-order standard sizes:15-20 hnub
Custom shapes (wedge, arch, tshwj xeeb txiav):20-30 hnubtom qab kos kev pom zoo
Kev Them Nyiaj & Shipping
Kev Them Nyiaj: T / T 30% tso nyiaj, 70% ua ntej xa zaub mov. L / C thaum pom rau kev txiav txim siab dua USD 30,000.
Incoterms: FOB Qingdao (default), CIF muaj nyob ntawm kev thov
Ntim: ntoo pallets, waterproof wrapping; export-standard packing rau hiav txwv freight
Chaw nres nkoj ntawm chaw thau khoom: Qingdao. Hloov mus rau Dubai: ~ 18 hnub. Rau Houston: ~ 28 hnub. Mus rau Ho Chi Minh City: ~ 8 hnub.
Kom tau txais cov lus hais, xa tuaj rau peb: qib yuav tsum tau, kom muaj nuj nqis (metric tons lossis daim), tus qauv lossis kev cai loj, qhov chaw nres nkoj, thiab cov ntawv pov thawj xav tau. Peb teb hauv 4 teev ua haujlwm.
Daim ntawv qhia kev teeb tsa
Kev txhim kho kom zoo tseem ceeb npaum li cov khoom zoo. Nov yog peb qhov kev paub dhau los qhia tau hais tias:
Pre-Installation Checks
Ua ntej tso thawj cib:
Txheeb xyuas cov cib qhov ntev tiv thaiv koj li hauv ob sab phlu tsim kos duab - kam rau ua yog ± 1.5 hli rau cov qauv qib.
Xyuas kom pom cov kab nrib pleb lossis chips los ntawm kev thauj mus los; puas bricks txo cov thermal kev ua tau zoo thiab cov qauv kev ncaj ncees.
Paub meej tias lub mortar los yog nplaum yog sib xws nrog mullite insulating cib - siv lub teeb yuag mullite mortar (tib yam Al₂O₃ chav kawm li lub cib) rau cov pob qij txha.
Txheej txheej txheem
Joint thickness:Khaws cov pob qij txha ntawm 2-3 hli. Cov pob qij txha tuab yog cov ntsiab lus tsis muaj zog nyob rau hauv thermal cycling.
Bonding qauv:Siv cov ntawv cog lus khiav (staggered pob qij txha) rau phab ntsa thiab lub ru tsev. Tsis txhob hla cov pob qij txha uas khiav tsis tu ncua los ntawm cov hauv ob sab phlu - lawv tsim cov txuas hluav taws xob thiab cov kab hluav taws xob tsis muaj zog.
Qhuav haum ua ntej:Rau arch thiab nkhaus seem, qhuav-haum tsis muaj mortar, kos cov pieces, ces siv mortar nyob rau hauv lub kawg installation pass.
Anchors:Nyob rau hauv ru tsev daim ntaub ntawv saum toj no 1400 degree, thauj tog rau nkoj cib nrog refractory steel anchors (Qib 310S los yog ceramic anchors saum toj no 1200 degree). Qhov sib txawv: 200-250mm staggered daim phiaj.
Qhuav-Out Fitting Schedule
Tshiab mullite cib linings yuav tsum tau qhuav tawm maj mam kom tshem tawm noo noo thiab tiv thaiv tawg:
| Theem | Qhov kub thiab txias | Cua sov tus nqi | Tuav Sijhawm |
|---|---|---|---|
| Theem 1 | Ambient → 150 degree | 20℃/ teev | 4 hrs |
| Theem 2 | 150℃→ 350 degree | 20℃/ teev | 4 hrs |
| Theem 3 | 350℃→ 600 degree | 30℃/ teev | 2 hrs |
| Theem 4 | 600℃→ Ua haujlwm kub | 50℃/ teev | Raws li txheej txheem |
Tsis txhob maj Theem 1 thiab Theem 2. Chav dej siab los ntawm cov dej seem seem yog qhov ua rau muaj qhov tshwm sim ntxov ntawm cov kab tshiab. Peb tau muaj cov neeg siv khoom hla qhov qeeb qeeb thiab hu rau peb txog kev tawg cib 48 teev tom qab pib. Tsis txhob ua qhov project.
Common Installation yuam kev
Siv ntom ntom firebrick mortar ntawm insulating cib (tsis yog qhov sib tw ntom ntom, kev sib txuas tsis zoo)
Tshaj-tightening pob qij txha saum 3 hli (thermal expansion tsis muaj qhov twg mus)
Kev txhim kho hauv cov dej ntub lossis khov tsis muaj kev tiv thaiv zoo
Hla qhov nkhaus qhuav tawm ntawm cov khoom hloov pauv (cov hloov ib nrab tseem xav tau cov cua sov me ntsis)
Quality & Certifications
Txhua ntau lawm batch ntawm peb lub Hoobkas mus los ntawm:
Tshuaj muaj pes tsawg leeg (XRF): lees paub Al₂O₃ cov ntsiab lus nyob rau hauv ± 2% ntawm qib spec
Kev kuaj ntau qhov ceev: 100% sampling ib pallet
Txias Crushing Strength (CCS) xeem rau ASTM C133
Reheating Linear Change (PLC) xeem rau ASTM C210
Peb daim ntawv pov thawj ISO 9001: 2015 npog tag nrho cov khoom tsim thiab QC txheej txheem. Daim ntawv pov thawj muaj nyob rau ntawm kev thov nrog txhua qhov kev txiav txim.
Peb khaws cov ntaub ntawv ntau lawm rau 3 xyoos. Yog tias muaj kev tsis sib haum xeeb zoo, peb tuaj yeem taug qab mus rau qhov tshwj xeeb batch, hnub ua haujlwm, thiab QC qhov tshwm sim. Qhov ntawd tsis yog kev lag luam - qhov ntawd yog txoj hauv kev tiag tiag uas tiv thaiv koj qhov kev txiav txim siab yuav khoom.
Cov lus nug nquag
Dab tsi yog qhov txawv ntawm JM23, JM26, thiab JM28 mullite insulating cib?
JM23, JM26, thiab JM28 sib txawv hauv Al₂O₃ cov ntsiab lus, kev faib tawm kub, thiab qhov ceev. JM23 muaj 37% Al₂O₃ thiab raug ntsuas rau 1260℃nrog qhov ceev ntawm 0.55–0.62 g / cm³ - qib qis tshaj plaws thiab feem ntau insulating, zoo tshaj plaws rau cov haujlwm thaub qab. JM26 muaj 54% Al₂O₃ ntsuas rau 1430 degree. JM28 muaj 64% Al₂O₃ rated rau 1540℃nrog ntau dua txhua yam zog (CCS 2.1 MPa), ua rau nws haum rau xaiv kub-ntsej muag txoj hauj lwm nyob rau hauv ceramic thiab industrial kilns.
Dab tsi yog qhov tsawg kawg nkaus txiav txim kom muaj nuj nqis rau mullite insulating bricks?
Cov qib txheem (JM23 thiab JM26) muaj qhov tsawg kawg nkaus txiav txim kom muaj nuj nqis ntawm 2 metric tons, uas yog kwv yees li 1,000-1,500 daim hauv tus qauv 230 × 114 × 65mm loj. Rau JM28 thiab JM30, MOQ yog 3 metric tons. Cov qauv xaj ntawm 50-100 daim yog muaj rau kev sim thiab kev pom zoo ntawm tus neeg yuav khoom tus nqi thauj khoom. FOB Qingdao.
Yuav siv sijhawm ntev npaum li cas thiaj tau txais mullite insulating cib los ntawm Tuam Tshoj?
Rau cov qib txheem tuav hauv Tshuag, ex-Factory lub sij hawm ua cov hmoov txhuas yog 7-12 hnub. Hiav txwv hla mus rau Middle East (Dubai) yog kwv yees li 18 hnub, Southeast Asia (Ho Chi Minh City) txog 8 hnub, thiab North America (Houston) kwv yees li 28 hnub. Cov duab kev cai lossis cov qib tsis-cov khoom lag luam xav tau 15-30 hnub ua ntej xa khoom.
Puas yog mullite insulating cib siv los ua lub ntsej muag kub?
Yog lawm, hauv qee yam kev siv. JM28, JM30, thiab JM32 qib yog siv los ua lub ntsej muag kub hauv cov khoom siv hluav taws xob, cov khoom siv hluav taws xob kho cua sov, thiab cov khoom siv cua sov uas muaj kev puas tsuaj thiab cov khoom siv sib cuag tsawg tsawg. For direct exposure to molten metal, slag, or severe mechanical impact, dense high-alumina brick or refractory castable is the better choice.
