Marka ciidda lagu shubo, in ka badan 95% waxay isticmaalaan ciid silica ah. Faa'iidada ugu weyn ee ciidda silica waa inay jaban tahay oo ay fududahay in la helo. Si kastaba ha ahaatee, faa'iido darrada ciidda silica ayaa sidoo kale muuqata, sida xasilloonida kulaylka oo liidata, marxaladda kala-guurka ee wajiga koowaad waxay dhacdaa qiyaastii 570 ° C, heerka balaadhinta kulaylka sare, fududahay in la jebiyo, boodhka ka dhasha jebinta ayaa aad khatar ugu ah caafimaadka aadanaha. . Isla mar ahaantaana, horumarka degdega ah ee dhaqaalaha, ciidda silica ayaa si weyn loogu isticmaalaa warshadaha dhismaha, warshadaha muraayadaha, dhoobada iyo warshadaha kale. Waxaa maqan ciid silica ah oo tayo sare leh oo deggan. Helitaanka beddelkeeda waa dhibaato degdeg ah adduunka oo dhan.
Maanta aan ka hadalno faraqa u dhexeeya qaar ka mid ah ciid ceeriin ah oo caan ku ah ganacsiga aasaaska, sida laga soo xigtay kooxda sndfoundry ee waayo-aragnimada sanado badan, sidoo kale soo dhawoow saaxiibo badan si ay ugu biiraan hadalka.
1Ciidaha Ceyriinka Caadiga ah ee Foundry
1.1 Ciid dabiici ah
Ciidda dabiiciga ah, taas oo ka timid dabeecadda, sida ciidda silica, ciid chromite, ciid zircon, ciid saytuun magnesium iwm.
1.2 Ciid macmal ah
Sida ciid silica artificial, aluminium silicate taxane ciid spherical macmal ah, iwm.
Halkan waxaan inta badan ku soo bandhigeynaa aluminium silicate taxane ciid wareegsan oo macmal ah.
2. Taxane aluminium silicate ciid spherical macmal ah
Taxanaha aluminium silicate ciid spherical macmal ah, oo sidoo kale loo yaqaan "ciid aasaaska dhoobada", "Cerabeads", "kuul dhoobada", "ceramsite", "Synthetic ciid spherical ee shubidda (Cid Dayaxa)", "kuul badan", "refractoriness spherical sare. ciid", "Ceramcast", "Super sand", iwm, ma jiraan magacyo isku mid ah oo adduunka ka jira iyo heerarka sidoo kale waa kala duwan yihiin. (Waxaan maqaalkan ugu yeernaa ciidda dhoobada)
Laakiin waxaa jira saddex qodob oo isku mid ah oo lagu aqoonsanayo sida soo socota:
A. Isticmaalka alaabta dib u soo celinta aluminium silicate (bauxite, kaolin, gems gubtay, iwm.) sida alaabta ceeriin,
B. Qaybaha cammuudda ayaa ah kuwo wareegsan marka ay dhalaalaan ama ay dhalaaliyaan;
C. Inta badan ka kooban kiimikaad oo ay ku jiraan Al2O3, Si2O, Fe2O3, TiO2 iyo oksaydh kale.
Sababtoo ah waxaa jira wax soo saar badan oo Shiinaha ah oo ciid dhoobo ah, waxaa jira midabyo kala duwan iyo dusha sare ee hababka kala duwan iyo meesha asalka ah ee kala duwan ee alaabta ceeriin, iyo Al2O3 kala duwan iyo heerkulka wax soo saarka.
3. Halbeegyada ciidda ee aasaaska
| Siyos | NRD/℃ | T.E(20-1000 ℃)/% | B.D./(g/cm3) | E. | TC (W/mk) | pH |
| FCS | ≥1800 | 0.13 | 1.8-2.1 | ≤1.1 | 0.5-0.6 | 7.6 |
| SCS | ≥1780 | 0.15 | 1.4-1.7 | ≤1.1 | 0.56 | 6-8 |
| Zircon | ≥1825 | 0.18 | 2.99 | ≤1.3 | 0.8-0.9 | 7.2 |
| Cchromite | ≥1900 | 0.3-0.4 | 2.88 | ≥1.3 | 0.65 | 7.8 |
| Olive | 1840kii | 0.3-0.5 | 1.68 | ≥1.3 | 0.48 | 9.3 |
| Silko | 1730kii | 1.5 | 1.58 | ≥1.5 | 0.49 | 8.2 |
Fiiro gaar ah: Warshad kala duwan iyo ciid meel, xogtu waxay yeelan doontaa xoogaa farqi ah.
Halkan waxaa ah kaliya xogta guud.
3.1 Tilmaamaha qaboojinta
Marka loo eego qaacidada awoodda qaboojinta, awoodda qaboojinta ee ciidda waxay inta badan la xiriirtaa saddex arrimood: kulaylka kulaylka, awoodda kulaylka gaarka ah, iyo cufnaanta dhabta ah. Nasiib darro, saddexdan arrimood way ka duwan yihiin ciidda ka soo saarayaasha ama asalka kala duwan, sidaas darteed horumarinta Inta lagu jiro habka codsiga ee dhejisyada birta u adkaysta, waxaan ogaanay in ciidda chromite ay leedahay saameynta ugu fiican ee qaboojinta, xawaaraha qaboojinta degdega ah, iyo dulqaad sare oo u adkaysta. engegnaanta, oo ay ku xigto ciid dhoobada isku qasan, ciid silica, iyo ciid dhoobada sintered. , adkaanta u adkaysiga xidhashada ee shubista ayaa hoos u dhigi doonta 2-4 dhibcood.
3.2 Isbarbardhigga burburka
Sida sawirka kore, saddex nooc oo ciid ah ayaa 4 saacadood ku haya foornada 1590 ℃.
Isku-burinta ciidda dhoobada ah ee sintay ayaa ah tan ugu fiican. Gurigan ayaa sidoo kale si guul leh ugu dabaqday wax soo saarka aluminiumka ee shubka.
3.3 Awoodda isbarbardhigga caaryada cammuudda ee aasaaska
ATwuxuu cabbiraa caaryada cammuudda dahaarka leh ee resin ee loogu talagalay aasaaska
| Bacaad | HTS(MPa) | RTS(MPa) | AP(Pa) | Heerka LE (%) |
| CS70 | 2.1 | 7.3 | 140 | 0.08 |
| CS60 | 1.8 | 6.2 | 140 | 0.10 |
| CS50 | 1.9 | 6.4 | 140 | 0.09 |
| CS40 | 1.8 | 5.9 | 140 | 0.12 |
| RSS | 2.0 | 4.8 | 120 | 1.09 |
Fiiro gaar ah:
1. Nooca resinka iyo qadarku waa isku mid, ciidda asalka ah waa cabbirka AFS65, iyo xaalado isku mid ah.
2. CS: Ciidda dhoobada
RSS: Ciid Silica dubay
HTS: Xoogga xajinta kulul.
RTS: Xoog xajinta qolka
AP: Xakamaynta hawada
Heerka LE: Heerka ballaadhinta laynka.
3.4 Heer sare oo dib-u-soo-celinta ciidda dhoobada ah
Habka reclamation kulaylka iyo mishiinka waa labada wanaagsan ciid dhoobada ku haboon, ay sabab u tahay qayb 'xoogga sare, engegnaantooda sare, caabbinta xirashada sare, ciid dhoobada ku dhawaad waa jeer cusboonaysiinta ugu sareeya ciid ceriin ganacsiga aasaas ciid. Marka loo eego xogta macaamiisheena gudaha, ciidda dhoobada ah waxaa la soo ceshan karaa ugu yaraan 50 jeer. Waa kuwan kiisaska qaar wadaaga:
Tobankii sano ee la soo dhaafay, sababtoo ah ciidda dhoobada ah ee refractoriness sare, qaabka kubbadda kaas oo gacan ka geysan kara yaraynta resinka ku dhawaad 30-50%, ka kooban qayb isku mid ah iyo qaybinta cabbirka hadhuudhka, hawada wanaagsan ee hawada, ballaarinta kuleylka yar iyo sifooyinka dib-u-warshadaynta sare iwm. Maaddada dhexdhexaadka ah, waxay si ballaaran u khuseysaa dhejisyo badan oo ay ku jiraan birta shubka ah, birta shubka, aluminiumka shubka ah, naxaasta shubka ah, iyo birta aan lahayn. Nidaamyada aasaasiga ah ee codsigu waxay leeyihiin ciid dahaarka leh, ciid sanduuqa qaboobaha, habka ciidda daabacaadda 3D, ciid aan duban, habka maalgashiga, habka xumbo lumay, habka dhalada biyaha iwm.
Waqtiga boostada: Juun-15-2023
