RO117074B1 - Procedeu de realizare a calupurilor turnate din fontă şi calupuri din fontă realizate prin acest procedeu - Google Patents
Procedeu de realizare a calupurilor turnate din fontă şi calupuri din fontă realizate prin acest procedeuInfo
- Publication number
- RO117074B1 RO117074B1 RO98-01599A RO9801599A RO117074B1 RO 117074 B1 RO117074 B1 RO 117074B1 RO 9801599 A RO9801599 A RO 9801599A RO 117074 B1 RO117074 B1 RO 117074B1
- Authority
- RO
- Romania
- Prior art keywords
- cast iron
- iron ingots
- manufactured
- ingots
- pellets
- Prior art date
Links
- 229910001018 Cast iron Inorganic materials 0.000 title abstract 6
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 3
- 238000000034 method Methods 0.000 abstract 3
- 239000008188 pellet Substances 0.000 abstract 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 238000005266 casting Methods 0.000 abstract 2
- 229910052742 iron Inorganic materials 0.000 abstract 2
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 abstract 2
- 229910052683 pyrite Inorganic materials 0.000 abstract 2
- 239000011028 pyrite Substances 0.000 abstract 2
- 229910000805 Pig iron Inorganic materials 0.000 abstract 1
- 238000003723 Smelting Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 229910052785 arsenic Inorganic materials 0.000 abstract 1
- 229910052681 coesite Inorganic materials 0.000 abstract 1
- 229910052802 copper Inorganic materials 0.000 abstract 1
- 229910052906 cristobalite Inorganic materials 0.000 abstract 1
- 229910052745 lead Inorganic materials 0.000 abstract 1
- 229910052748 manganese Inorganic materials 0.000 abstract 1
- WHOPEPSOPUIRQQ-UHFFFAOYSA-N oxoaluminum Chemical compound O1[Al]O[Al]1 WHOPEPSOPUIRQQ-UHFFFAOYSA-N 0.000 abstract 1
- 239000000377 silicon dioxide Substances 0.000 abstract 1
- 235000012239 silicon dioxide Nutrition 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 229910052682 stishovite Inorganic materials 0.000 abstract 1
- 229910052905 tridymite Inorganic materials 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 229910052725 zinc Inorganic materials 0.000 abstract 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
Invenţia se referă la un procedeu de realizare a calupurilor turnate din fontă şi la nişte calupuri din fontă, realizate prin acest procedeu, destinate utilizării odată cu fierul vechi la încărcarea convertizoarelor pentru elaborarea oţelului. Procedeul conform invenţiei constă în introducerea în formele de turnare a unor pelete de cenuşi piritice, compuse din: 52...54% Fe; 0,8% Mn, 8,2% SiO;6% CaO; 2,5% AlO; 0,6% S; maximum 0,15% As; maximum 0,15% Cu; maximum 0,15% Zn; maximum 0,01% Pb, peste care se toarnă o cantitate de fontă de furnal, aproximativ egală cu cantitatea de pelete, umplerea unei forme fiind completă. Calupurile de fontă, realizate prin procedeul conform invenţiei, au în componenţă pelete de cenuşi piritice, înglobate în fontă.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO98-01599A RO117074B1 (ro) | 1998-11-19 | 1998-11-19 | Procedeu de realizare a calupurilor turnate din fontă şi calupuri din fontă realizate prin acest procedeu |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO98-01599A RO117074B1 (ro) | 1998-11-19 | 1998-11-19 | Procedeu de realizare a calupurilor turnate din fontă şi calupuri din fontă realizate prin acest procedeu |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO117074B1 true RO117074B1 (ro) | 2001-10-30 |
Family
ID=64360936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO98-01599A RO117074B1 (ro) | 1998-11-19 | 1998-11-19 | Procedeu de realizare a calupurilor turnate din fontă şi calupuri din fontă realizate prin acest procedeu |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO117074B1 (ro) |
-
1998
- 1998-11-19 RO RO98-01599A patent/RO117074B1/ro unknown
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