Ciidda dhoobada ah ee loo yaqaan 'foundry' waxay leedahay waxqabadka dib-u-isticmaalka wanaagsan: shuruudaha hoose ee qalabka daaweynta ciidda, isticmaalka tamarta yar iyo kharashka yar ee daaweynta ciidda. Heerka soo kabashada ciidda ayaa gaadhay 98%, soo saarta qashinka tuurista oo yar. Maqnaanshaha wax-xidhaha dartiis, ciid buuxinta xumbo-buuxinta ee luntay waxay leedahay heerka soo kabashada iyo qiime jaban, taasoo gaadhaysa 1.0-1.5kg/ton oo ah isticmaalka ciid ee shubka.
Sanadihii la soo dhaafay, ganacsiyada xumbo tuurista ee lumay ayaa waxaa saameeyay arrimo badan, taasoo keentay heer hoose oo tayo leh oo kabka ah. Waxaa ka mid ah, kharashka wax-soo-saarka sare ee wax-soo-saarka, heerka cilladda sare iyo tayada hoose waxay noqdeen saddexda dhibaato ee ganacsiyada xumbo tuurista ee lumay ee Shiinaha. Sida loo xalliyo dhibaatooyinkan oo loo wanaajiyo waxqabadka kharashka ee alaabta tuurista taariikhda hore waxay noqotay mid ka mid ah hawlaha ugu sarreeya ee shirkadaha aasaasiga ah. Sida aynu wada ognahay, doorashada ciidda ee habka shubista waa qayb muhiim ah oo ka mid ah geeddi-socodka oo dhan. Marka ciidda aan si habboon loo dooran, waxay saameyn doontaa xaaladda oo dhan. Sidaa darteed, shirkadaha xumbo tuurista ee lumay waa inay dadaal badan ku bixiyaan xulashada ciidda.
Sida laga soo xigtay xogta la xidhiidha, inta badan shirkadaha aasaaska ah ayaa hagaajiyay doorashadooda ciidda, iyaga oo diidaya dhaqameedka qiimaha jaban ee ciidda quartz ama ciidda forsterite, iyo isticmaalka nooca cusub ee ciid dhoobada ah si loo hagaajiyo dhibaatada tuurista. Noocan cusub ee ciidda waxa uu leeyahay faa'iidooyinka refractoriness sare, dheecaan wanaagsan, permeability gaas sare iyo cufnaanta la mid ah oo leh quartz ciid. Waxay xallisaa ciladaha wax-soo-saarka ilaa xad, waxaana si weyn uga walaacsanaa warshadaha aasaasiga ah ee caalamiga ah. Saddexda mushkiladood ee ugu waaweyn ee kharashka tuurista, heerka cilladaysan iyo tayada ganacsiyada xumbo tuurista ee lumay ayaa si wax ku ool ah loo yareeyey, iyo ciidda dhoobada ah ayaa sidoo kale waxaa jeclaaday shirkado badan.
Qaybta Kiimikada ugu weyn | Al₂O₃≥53%, Fe₂O₃<4%, TiO₂<3%, SiO₂≤37% |
Qaabka hadhuudhka | Goobaysan |
Iskuxidhka xagal | ≤1.1 |
Cabirka Qayb ahaan | 45μm -2000μm |
Refractority | ≥1800℃ |
Cufnaanta Bulk | 1.3-1.45g/cm3 |
Balaadhinta kulaylka (RT-1200℃) | 4.5-6.5x10-6/k |
Midabka | Madaw Brown/ Midabka Ciidda |
PH | 6.6-7.3 |
Halabuurka macdanta | Jilicsan + Corundum |
Qiimaha aysiidhka | <1 ml/50g |
LOI | 0.1% |
● High refractoriness (>1800°C),can be used for casting various materials. There is also no need to use different sand type according to material.
● Heerka dib u soo celinta oo sarreeya. Heerka soo kabashada ciidda ayaa gaadhay 98%, soo saarta qashinka tuurista oo yar.
● Dheecaan aad u wanaagsan iyo hufnaanta buuxinta taasoo ay ugu wacan tahay qaab-dhismeedka.
● Balaadhinta kulaylka hoose iyo habdhaqanka kulaylka. Cabbiraadaha tuurista ayaa aad u saxsan, isla markaana hoos u dhigista tayada ayaa bixisa waxqabadka caaryada wanaagsan.
● Cufnaanta cufnaanta hoose. Sida ciidda dhoobada ah ee macmalka ahi ay kala badh le'eg tahay sida ciid dhoobada la isku daray (ciidan kubbadda madow), zircon iyo chromite, waxay soo noqon kartaa qiyaastii laba jeer tirada caaryada halbeeg kasta. Waxa kale oo loo maareyn karaa si fudud, iyada oo la badbaadinayo shaqada iyo kharashka wareejinta.
● Sahayda deggan. Awood sannadeedka 200,000 MT si loo ilaaliyo sahayda degdega ah oo deggan.
Xumbo tuurista luntay.
Qaybinta cabbirka walxaha waxaa lagu habeyn karaa iyadoo loo eegayo baahidaada.
Mesh |
20 | 30 | 40 | 50 | 70 | 100 | 140 | 200 | 270 | digsi | AFS | |
μm |
850 | 600 | 425 | 300 | 212 | 150 | 106 | 75 | 53 | digsi | ||
Koodhka | 20/40 | 15-40 | 30-55 | 15-35 | ≤5 | 20±5 | ||||||
30/50 | ≤1 | 25-35 | 35-50 | 15-25 | ≤10 | ≤1 | 30±5 |
Qaybaha alaabta