- 17
- Sep
Lebenka isku dhafan ee alumina sare
Lebenka isku dhafan ee alumina sare
Faa’iidooyinka badeecada: dib -u -kicinta sare, iska -caabbinta daxalka ee aashitada iyo wasakhda alkaline, xoogga farsamo ee heerkulka sare, iska caabin xoog leh oo xoog leh
sharaxaadda alaabta
Lebenka isku-dhafan ee aluminiumka sare Lebenka aluminiumka sare leh ee sintered-ka ah waxaa lagu gartaa qaab-dhismeed dabaqad leh, kaas oo ka kooban lakab shaqeynaya iyo lakabka daboolidda kuleylka. Lebenka isku dhafan waa dhisme lakab ah oo ka kooban lakab shaqeynaya iyo lakabka dahaarka kuleylka, wuxuuna leeyahay saameyn dab-u-adkaysiga iyo kuleylka oo wanaagsan. Lakabka shaqaynaya iyo lakabka dahaarka kulaylka ayaa si gooni gooni ah loo bakhtiiyaa oo isku qasan inta lagu jiro diyaarinta, ka dibna waa la sameeyaa oo waa la wada saaraa. Lakabka shaqada ee lebenka isku dhafan wuxuu leeyahay isku xirnaan xoog leh oo leh lakabka dahaarka kuleylka. Lakabka shaqaynaya wuxuu leeyahay iska caabin heerkulka sare ah, aashitada iyo iska caabin alkali, iska caabinta abrasion, xoog sare, xasiloonida naxdinta kuleylka wanaagsan, waxqabadka dahaarka kuleylka wanaagsan iyo xoogga lakabka dahaarka kuleylka. sare Lebenka isku dhafan wuxuu buuxin karaa shuruudaha farsamada iyo shuruudaha isticmaalka ee weelka rota, wuxuu xaqiijin karaa keydinta tamarta iyo yaraynta isticmaalka, wuxuuna dheerayn karaa nolosha adeegga ee shooladda Rotary. Habka diyaarintu waa mid cilmiyeysan oo macquul ah, fudud oo sahlan in la hirgeliyo, waxayna ku habboon tahay suunka dab-damiska iyo suunka shaandhaynta ee weelka roogga ee ballaadhan. Intaa waxaa sii dheer, alaabada lebenka ah ee aluminiumka sare leh ayaa si ballaaran loogu adeegsadaa warshadaha kala duwan sida korontada, birta, biraha aan birta ahayn, batroolka, muraayadda, sibidhka iyo qalabka dhismaha.
Sharaxaadda lebenka isku-dhafan ee aluminium-sare:
1. Tilmaamaha iyo isticmaalka:
Waxay leedahay refractoriness sare, iska caabin ah daxalka xoog acid iyo slag alkaline, iyo xoog farsamo sare heerkulka sare, sidaas waxaa si weyn loo isticmaalaa in warshadaha biraha iyo foornooyinka kale. Waxaa inta badan loo adeegsadaa dahaarka dabka kuleylka kala duwan sida dhalooyinka shooladda korontada, foornooyinka qarxa, shooladaha qarxa kulul, ladles, durbaanada birta, gaadhiyada birta, shooladda sibidhka, shooladaha dhalada, iwm. , sibidhka iyo warshadaha kale.
2. Tilmaamaha badeecadda: jaangooyo, guud iyo qaab-gaar ah, leben-qaabeeya oo gaar ah.
3. Lebenkii jabanaa waa qalab dib -u -celin leh qaab iyo cabbir gaar ah. Lebenkii dib -u -ceshada waxay leeyihiin xasillooni kuleyl oo wanaagsan waxayna ku habboon yihiin shooladaha qarxa kulul, qiiqa kululeeyaha kala duwan, flues, qolalka qiiqa iwm. iyo wixii la mid ah. Lebenkii dib -u -ceshada guud ahaan wuxuu u qaybsan yahay laba nooc, jajabyo aan qaabaysnayn iyo jajab -qaabeeyayaal. Qalab jaban oo aan qaabaysnayn: oo sidoo kale loo yaqaanno wax la shubi karo, waa budada budada ah ee isku dhafan oo ka kooban noocyo kala duwan ama isku -darka iyo hal ama in ka badan. Marka la isticmaalo, waxaa lagu qasaa hal ama dhowr cabitaan oo si isku mid ah ayaa loo qaso. Bar dhaqdhaqaaq xoog leh. Agabyada jaban ee qaabaysan: guud ahaan waxaa la sameeyey leben jaban, oo qaabkoodu leeyahay xeerar caadi ah, sidoo kale si ku -meel -gaar ah ayaa looga baaraandegi karaa iyadoo loo eegayo baahiyaha marka la dhisayo iyo la jarayo.
Tilmaamayaasha jirka iyo kiimikada
| index | Lebenka isku dhafan ee deegaanka u fiican | Leben isku jira oo dabacsan | |||
| HT-1 | HT-2 | HT-3 | HT-4 | HT-5 | |
| Al2O3,% | 0.9 | 1.2 | 1.3 | 1.2 | 1.3 |
| Fe2O3,% | 7.0-9.0 | 7.0-10.0 | – | 3.0-4.0 | 4.0-5.0 |
| SiO2,% ≤ | – | – | 6.0-9.0 | 6.0-9.0 | 4.0-5.0 |
| MgO,% ≥ | 82 | 81 | 83 | 82 | 82 |
| Cr2O3,% | 3.0-4.5 | 3.0-4.5 | 2.0-3.0 | – | – |
| Porosity,% ≤ | 18 | 18 | 18 | 17 | 17 |
| Cufnaanta, g/cm³ ≥ | 3.00 | 2.98 | 2.98 | 2.98 | 2.98 |
| Cadaadiska iska caabbinta heerkulka qolka, MPa ≥ | 60 | 60 | 70 | 65 | 70 |
| Xamuulka heerkulka jilcinta, ≥ ≥ | 1700 | 1690 | 1690 | 1680 | 1680 |
| Shoogga kulul 1100 × cooling biyo qaboojinta ≥ | 11 | 10 | 9 | 9 | 11 |
| Dhaqdhaqaaqa kuleylka 1200 ℃ W/m · k ≤ | 2.8 | 2.8 | 2.8 | 2.8 | 2.8 |
| Awoodda dabacsanaanta 1400 ℃ × 0.5h MPa ≥ | 4.0 | 4.0 | 4.0 | 3.0 | 3.0 |
Codsiyada
Ku habboon suunka dab -damiska iyo suunka shaandhaynta ee weelka roodhida weyn. Intaa waxaa sii dheer, alaabada lebenka ah ee aluminiumka sare leh ayaa si ballaaran loogu adeegsadaa warshadaha kala duwan sida korontada, birta, biraha aan birta ahayn, batroolka, muraayadda, sibidhka iyo qalabka dhismaha.