Lim ua npuas ncauj ua los ntawm cov khoom siv ceramic
Cov lim dej ua npuas ncaujyog ib hom khoom siv tshiab siv los lim cov kua xws li cov hlau uas yaj. Nws muaj cov qauv tshwj xeeb thiab kev ua tau zoo heev thiab siv dav hauv kev lag luam xws li kev casting.
1. Alumina:
Kub siv tau: 1250 ℃. Haum rau kev lim thiab ntxuav cov txhuas thiab cov hlau sib xyaw. Siv dav hauv kev xuab zeb casting thiab pwm tas mus li xws li kev casting qhov chaw txhuas hauv tsheb.
Cov txiaj ntsig:
(1) Tshem tawm cov khoom tsis huv kom zoo.
(2) Cov dej ntws ruaj khov Molten aluminium thiab yooj yim rau kev sau.
(3) Txo qhov tsis zoo ntawm casting, txhim kho qhov zoo ntawm qhov chaw thiab cov khoom.
2. SiC
Nws muaj lub zog zoo heev thiab tiv taus kev kub ntxhov thiab kev xeb ntawm cov tshuaj lom neeg, thiab tuaj yeem tiv taus qhov kub siab txog li 1560 ° C. Nws yog qhov tsim nyog rau kev casting tooj liab alloys thiab cam khwb cia hlau.
Cov txiaj ntsig:
(1) Tshem tawm cov khoom tsis huv thiab txhim kho qhov huv ntawm cov hlau molten kom zoo.
(2) Txo qhov turbulence thiab txawm tias filling.
(3) Txhim kho qhov zoo ntawm qhov chaw casting thiab cov txiaj ntsig, txo qhov kev pheej hmoo ntawm qhov tsis zoo.
3. Zirconia
Qhov kub uas tiv taus cua sov siab dua li ntawm 1760 ℃, nrog lub zog siab thiab kev cuam tshuam zoo thaum kub siab. Nws tuaj yeem tshem tawm cov khoom tsis huv hauv cov hlau castings thiab txhim kho qhov zoo ntawm qhov chaw thiab cov khoom siv kho tshuab ntawm cov castings.
Cov txiaj ntsig:
(1) Txo cov khoom me me uas tsis huv.
(2) Txo qhov tsis zoo ntawm qhov chaw, txhim kho qhov zoo ntawm qhov chaw.
(3) Txo kev sib tsoo, txo qis machining nqi.
4. Kev sib txuas ua ke raws li cov pa roj carbon
Tsim tshwj xeeb rau cov hlau carbon thiab cov hlau tsis muaj hlau ntau, lub lim dej ua los ntawm cov khoom siv ...
kev kub ntxhov.
Cov txiaj ntsig:
(1) Qhov ntom ntom tsawg, qhov hnyav tsawg heev thiab qhov hnyav thermal, ua rau muaj qhov coefficient cia cua sov tsawg heev. Qhov no tiv thaiv cov hlau yaj pib kom khov hauv lub lim thiab ua kom cov hlau hla dhau lub lim sai sai. Kev sau lub lim tam sim ntawd pab txo qhov kev ntxhov siab los ntawm kev suav nrog thiab slag.
(2) Cov txheej txheem siv tau dav, suav nrog xuab zeb, plhaub, thiab precision ceramic casting.
(3) Qhov kub siab tshaj plaws ua haujlwm ntawm 1650 ° C, ua rau cov txheej txheem nchuav ib txwm yooj yim dua.
(4) Cov qauv mesh peb-seem tshwj xeeb tswj tau qhov ntws ntawm cov hlau turbulent, ua rau muaj kev faib tawm microstructure hauv qhov casting.
(5) Ua kom zoo lim cov khoom me me uas tsis yog hlau, txhim kho kev siv tshuab ntawm cov khoom.
(6) Txhim kho cov khoom siv kho tshuab ntawm qhov casting, suav nrog qhov nyuaj ntawm qhov chaw, lub zog tensile, kev tiv taus qaug zog, thiab elongation.
(7) Tsis muaj kev cuam tshuam tsis zoo rau kev rov ua dua ntawm cov khoom siv lim dej uas muaj cov khoom siv lim.
Nta:
porosity siab & thaj chaw loj tshwj xeeb:80%–95% porosity, 3D interconnected pores ua rau muaj kev cuam tshuam zoo ntawm cov khoom tsis huv hauv cov hlau/iav molten.
Kev tiv thaiv kub siab tshaj plaws:Hom alumina rau 1250 ℃, silicon carbide txog li 1500 ℃, zirconia tshaj 1760 ℃.
Lub zog siab & thermal shock tsis kam:Tiv taus cov hlau uas yaj tau; tiv taus kev tawg thaum kub hloov pauv sai.
Kev ua tau zoo heev ntawm kev lim dej:Plaub txoj kev ua haujlwm (kev ncaj cov dej ntws, kev tshuaj ntsuam, kev lim ncuav mog qab zib, thiab kev nqus) ua rau cov hlau yaj huv si, txhim kho qhov zoo ntawm cov khoom cam thiab txo cov nqi tsis lees txais.
Kev ruaj khov tshuaj zoo:Tsis muaj kev cuam tshuam nrog cov hlau yaj; tsis muaj kev cuam tshuam tsis zoo rau cov khoom sib xyaw / kev ua tau zoo ntawm cov hlau.
Sib dua:Yooj yim rau nruab; txo cov khoom thauj ntawm cov khoom siv casting.
Qhov tseeb ntawm qhov ntev:Ua tau raws li ntau yam kev cai ntawm cov txheej txheem casting rau kev lim dej ruaj khov thiab sib xws.
Kev tsis kam ntws tsawg:Cov qauv pore nkhaus 3D ua kom cov khoom siv molten du.
| Cov Qauv thiab Cov Kev Ntsuas ntawm Alumina Ceramic Foam Filters | |||||
| Khoom | Lub Zog Nqus (MPa) | Qhov porosity (%) | Qhov Ceev Ntau (g/cm3) | Kub Ua Haujlwm (≤ ℃) | Cov ntawv thov |
| RBT-01 | ≥0.8 | 80-90 | 0.35-0.55 | 1200 | Kev Sib Tsoo Aluminium Alloy |
| RBT-01B | ≥0.4 | 80-90 | 0.35-0.55 | 1200 | Kev Ua Txhuas Loj |
| Qhov Loj thiab Peev Xwm ntawm Alumina Ceramic Foam Filters | ||||
| Loj (hli) | Qhov hnyav (kg) | Tus Nqi Nqus (kg / s) | Qhov hnyav (kg) | Tus Nqi Nqus (kg / s) |
| 10ppi | 20ppi | |||
| 50 * 50 * 22 | 42 | 2 | 30 | 1.5 |
| 75 * 75 * 22 | 96 | 5 | 67 | 4 |
| 100 * 100 * 22 | 170 | 9 | 120 | 7 |
| φ50 * 22 | 33 | 1.5 | 24 | 1.5 |
| φ75 * 22 | 75 | 4 | 53 | 3 |
| φ90 * 22 | 107 | 5 | 77 | 4.5 |
| Loj (Nti) | Qhov hnyav (Ton) 20,30,40ppi | Tus Nqi Nqus (kg / min) | ||
| 7"*7"*2" | 4.2 | 25-50 | ||
| 9"*9"*2" | 6 | 25-75 | ||
| 10"*10"*2" | 6.9 | 45-100 | ||
| 12"*12"*2" | 13.5 | 90-170 | ||
| 15"*15"*2" | 23.2 | 130-280 | ||
| 17"*17"*2" | 34.5 | 180-370 | ||
| 20"*20"*2" | 43.7 | 270-520 | ||
| 30"*23"*2" | 57.3 | 360-700 | ||
| Cov Qauv thiab Cov Kev Ntsuas ntawm SiC Ceramic Foam Filters | |||||
| Khoom | Lub Zog Nqus (MPa) | Qhov porosity (%) | Qhov Ceev Ntau (g/cm3) | Kub Ua Haujlwm (≤ ℃) | Cov ntawv thov |
| RBT-0201 | ≥1.2 | ≥80 | 0.40-0.55 | 1480 xyoo | Hlau zas, hlau grey thiab hlau tsis yog ferrous |
| RBT-0202 | ≥1.5 | ≥80 | 0.35-0.60 | 1500 xyoo | Rau kev pouncing ncaj qha thiab cov hlau loj castings |
| RBT-0203 | ≥1.8 | ≥80 | 0.47-0.55 | 1480 xyoo | Rau cov cua turbine thiab cov castings loj |
| Qhov Loj thiab Peev Xwm ntawm SiC Ceramic Foam Filters | ||||||||
| Loj (hli) | 10ppi | 20ppi | ||||||
| Qhov hnyav (kg) | Tus Nqi Nqus (kg / s) | Qhov hnyav (kg) | Tus Nqi Nqus (kg / s) | |||||
| Xim avHlau | Hlau Ductile | Hlau Grey | Hlau Ductile | Hlau Grey | Hlau Ductile | Hlau Grey | Hlau Ductile | |
| 40 * 40 * 15 | 40 | 22 | 3.1 | 2.3 | 35 | 18 | 2.9 | 2.2 |
| 40 * 40 * 22 | 64 | 32 | 4 | 3 | 50 | 25 | 3.2 | 2.5 |
| 50 * 30 * 22 | 60 | 30 | 4 | 3 | 48 | 24 | 3.5 | 2.5 |
| 50 * 50 * 15 | 50 | 30 | 3.5 | 2.6 | 45 | 26 | 3.2 | 2.5 |
| 50 * 50 * 22 | 100 | 50 | 6 | 4 | 80 | 40 | 5 | 3 |
| 75 * 50 * 22 | 150 | 75 | 9 | 6 | 120 | 60 | 7 | 5 |
| 75 * 75 * 22 | 220 | 110 | 14 | 9 | 176 | 88 | 11 | 7 |
| 100 * 50 * 22 | 200 | 100 | 12 | 8 | 160 | 80 | 10 | 6.5 |
| 100 * 100 * 22 | 400 | 200 | 24 | 15 | 320 | 160 | 19 | 12 |
| 150 * 150 * 22 | 900 | 450 | 50 | 36 | 720 | 360 | 40 | 30 |
| 150 * 150 * 40 | 850-1000 | 650-850 | 52-65 | 54-70 | _ | _ | _ | _ |
| 300 * 150 * 40 | 1200-1500 | 1000-1300 | 75-95 | 77-100 | _ | _ | _ | _ |
| φ50 * 22 | 80 | 40 | 5 | 4 | 64 | 32 | 4 | 3.2 |
| φ60 * 22 | 110 | 55 | 6 | 5 | 88 | 44 | 4.8 | 4 |
| φ75 * 22 | 176 | 88 | 11 | 7 | 140 | 70 | 8.8 | 5.6 |
| φ80 * 22 | 200 | 100 | 12 | 8 | 160 | 80 | 9.6 | 6.4 |
| φ90 * 22 | 240 | 120 | 16 | 10 | 190 | 96 | 9.6 | 8 |
| φ100 * 22 | 314 | 157 | 19 | 12 | 252 | 126 | 15.2 | 9.6 |
| φ125 * 25 | 400 | 220 | 28 | 18 | 320 | 176 | 22.4 | 14.4 |
| Cov Qauv thiab Cov Kev Ntsuas ntawm Zirconia Ceramic Foam Filters | |||||
| Khoom | Lub Zog Nqus (MPa) | Qhov porosity (%) | Qhov Ceev Ntau (g/cm3) | Kub Ua Haujlwm (≤ ℃) | Cov ntawv thov |
| RBT-03 | ≥2.0 | ≥80 | 0.75-1.00 | 1700 xyoo | Rau cov hlau tsis xeb, cov hlau carbon thiab cov hlau castings loj loj |
| Qhov Loj thiab Peev Xwm ntawm Zirconia Ceramic Foam Filters | |||
| Loj (hli) | Tus Nqi Nqus (kg / s) | Peev Xwm (kg) | |
| Cov Hlau Carbon | Cov Hlau Sib Xyaws | ||
| 50 * 50 * 22 | 2 | 3 | 55 |
| 50 * 50 * 25 | 2 | 3 | 55 |
| 55 * 55 * 25 | 4 | 5 | 75 |
| 60 * 60 * 22 | 3 | 4 | 80 |
| 60 * 60 * 25 | 4.5 | 5.5 | 86 |
| 66 * 66 * 22 | 3.5 | 5 | 97 |
| 75 * 75 * 25 | 4.5 | 7 | 120 |
| 100 * 100 * 25 | 8 | 10.5 | 220 |
| 125 * 125 * 30 | 18 | 20 | 375 |
| 150 * 150 * 30 | 18 | 23 | 490 |
| 200 * 200 * 35 | 48 | 53 | 960 |
| φ50 * 22 | 1.5 | 2.5 | 50 |
| φ50 * 25 | 1.5 | 2.5 | 50 |
| φ60 * 22 | 2 | 3.5 | 70 |
| φ60 * 25 | 2 | 3.5 | 70 |
| φ70 * 25 | 3 | 4.5 | 90 |
| φ75 * 25 | 3.5 | 5.5 | 110 |
| φ90 * 25 | 5 | 7.5 | 150 |
| φ100 * 25 | 6.5 | 9.5 | 180 |
| φ125 * 30 | 10 | 13 | 280 |
| φ150 * 30 | 13 | 17 | 400 |
| φ200 * 35 | 26 | 33 | 720 |
| Cov Qauv thiab Cov Kev Ntsuas ntawm Cov Pa roj carbon-based Bonding Ceramic Foam Filters | |||||
| Khoom | Lub Zog Nqus (MPa) | Qhov porosity (%) | Qhov Ceev Ntau (g/cm3) | Kub Ua Haujlwm (≤ ℃) | Cov ntawv thov |
| RBT-Carbon | ≥1.0 | ≥76 | 0.4-0.55 | 1650 xyoo | Cov hlau carbon, cov hlau tsis tshua muaj hlau, cov hlau loj castings. |
| Qhov Loj ntawm Cov Pa roj carbon-based Bonding Ceramic Foam Filters | |
| 50 * 50 * 22 10 / 20ppi | φ50 * 22 10/20ppi |
| 55 * 55 * 25 10 / 20ppi | φ50 * 25 10/20ppi |
| 75 * 75 * 22 10 / 20ppi | φ60 * 25 10/20ppi |
| 75 * 75 * 25 10 / 20ppi | φ70 * 25 10/20ppi |
| 80 * 80 * 25 10/20ppi | φ75 * 25 10/20ppi |
| 90 * 90 * 25 10/20ppi | φ80 * 25 10/20ppi |
| 100 * 100 * 25 10/20ppi | φ90 * 25 10/20ppi |
| 125 * 125 * 30 10 / 20ppi | φ100 * 25 10/20ppi |
| 150 * 150 * 30 10 / 20ppi | φ125 * 30 10/20ppi |
| 175 * 175 * 30 10 / 20ppi | φ150 * 30 10/20ppi |
| 200 * 200 * 35 10 / 20ppi | φ200 * 35 10/20ppi |
| 250 * 250 * 35 10 / 20ppi | φ250 * 35 10/20ppi |
Cov ntxaij lim dej ua npuas ncauj siv dav hauv ntau yam txheej txheem casting hlau thiab cov teb ua kom huv si kub.
1. Kev ua los ntawm txhuas hlau
Qhov no yog lawv daim teb siv tseem ceeb, suav nrog kev casting ntawm cov khoom siv hauv tsheb (lub tog raj kheej, lub taub hau lub tog raj kheej, lub log hub), cov khoom siv dav hlau, thiab cov hlau thauj mus los ntawm cov hlau txhuas. Lawv tuaj yeem tshem tawm cov oxides, slag inclusions thiab lwm yam impurities ntawm cov hlau txhuas molten, txhim kho qhov ceev thiab cov khoom siv kho tshuab ntawm cov castings.
2. Kev ua hlau cam khwb cia / hlau cam khwb cia
Siv rau hauv kev tsim cov hlau grey, hlau ductile, hlau carbon thiab cov hlau tsis tshua muaj alloy castings, xws li cav blocks, tshuab cuab yeej txaj thiab engineering machinery qhov chaw. Lawv txo cov ntsiab lus ntawm cov khoom tsis yog hlau nyob rau hauv molten hlau / hlau, txo cov casting qhov tsis zoo xws li blowholes thiab tawg, thiab nce tus nqi tsim nyog ntawm cov khoom tiav.
3. Cov hlau tsis yog ferrous casting
Haum rau kev lim cov hlau tooj liab, hlau magnesium, hlau zinc, thiab lwm yam, xws li kev tsim cov khoom siv hluav taws xob thiab hluav taws xob, cov khoom siv kho vajtse thiab cov khoom pwm tuag. Lawv tiv thaiv cov khoom tsis huv kom cuam tshuam rau qhov zoo ntawm cov khoom thiab kev ua hluav taws xob thiab thermal conductivity.
4. Lwm yam kev kho mob kub siab
Siv tau rau kev lim thiab ntxuav cov kua dej kub xws li cov iav yaj thiab cov khoom siv ceramic fused. Lawv ua lub luag haujlwm hauv kev tsim cov iav tshwj xeeb thiab cov txheej txheem ntxuav ua ntej ua cov khoom siv ceramic sintering, txhim kho qhov sib xws thiab zoo ntawm cov khoom kawg.
Cov Lus Nug Feem Ntau
Xav tau kev pab? Nco ntsoov mus saib peb cov rooj sib tham txhawb nqa kom tau cov lus teb rau koj cov lus nug!
Peb yog cov chaw tsim khoom tiag tiag, peb lub Hoobkas tshwj xeeb hauv kev tsim cov khoom siv refractory rau ntau tshaj 30 xyoo. Peb cog lus tias yuav muab tus nqi zoo tshaj plaws, qhov kev pabcuam ua ntej muag thiab tom qab muag zoo tshaj plaws.
Rau txhua txoj kev tsim khoom, RBT muaj lub kaw lus QC tiav rau cov tshuaj lom neeg thiab cov khoom siv lub cev. Thiab peb yuav sim cov khoom, thiab daim ntawv pov thawj zoo yuav raug xa nrog cov khoom. Yog tias koj muaj cov kev xav tau tshwj xeeb, peb yuav sim peb qhov zoo tshaj plaws los pab txhawb lawv.
Nyob ntawm seb muaj pes tsawg, peb lub sijhawm xa khoom txawv. Tab sis peb cog lus tias yuav xa khoom sai li sai tau nrog kev lees paub zoo.
Tau kawg, peb muab cov qauv dawb.
Yog, tau kawg, koj tuaj yeem mus xyuas RBT lub tuam txhab thiab peb cov khoom.
Tsis muaj kev txwv, peb tuaj yeem muab cov lus qhia zoo tshaj plaws thiab kev daws teeb meem raws li koj qhov xwm txheej.
Peb tau ua cov khoom siv refractory rau ntau tshaj 30 xyoo, peb muaj kev txhawb nqa kev txawj ntse thiab kev paub nplua nuj, peb tuaj yeem pab cov neeg siv khoom tsim cov cub tawg sib txawv thiab muab kev pabcuam ib zaug.
