LV11749B - Process control of compacted graphite iron production in pouring furnaces - Google Patents
Process control of compacted graphite iron production in pouring furnaces Download PDFInfo
- Publication number
- LV11749B LV11749B LVP-96-322A LV960322A LV11749B LV 11749 B LV11749 B LV 11749B LV 960322 A LV960322 A LV 960322A LV 11749 B LV11749 B LV 11749B
- Authority
- LV
- Latvia
- Prior art keywords
- cast iron
- molten
- iron
- melt
- graphite
- Prior art date
Links
- 229910001126 Compacted graphite iron Inorganic materials 0.000 title description 36
- 238000004519 manufacturing process Methods 0.000 title description 27
- 238000004886 process control Methods 0.000 title description 4
- 238000000034 method Methods 0.000 claims abstract description 117
- 229910001018 Cast iron Inorganic materials 0.000 claims abstract description 74
- 230000008569 process Effects 0.000 claims abstract description 61
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000005266 casting Methods 0.000 claims abstract description 38
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 17
- 230000003750 conditioning effect Effects 0.000 claims description 48
- 229910002804 graphite Inorganic materials 0.000 claims description 40
- 239000010439 graphite Substances 0.000 claims description 40
- 230000000051 modifying effect Effects 0.000 claims description 30
- 238000005087 graphitization Methods 0.000 claims description 14
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 230000008859 change Effects 0.000 claims description 7
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000008025 crystallization Effects 0.000 claims description 5
- 239000012298 atmosphere Substances 0.000 claims description 4
- 230000036962 time dependent Effects 0.000 claims description 4
- 229910052717 sulfur Inorganic materials 0.000 claims description 3
- 239000011261 inert gas Substances 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 230000004048 modification Effects 0.000 claims 3
- 238000012986 modification Methods 0.000 claims 3
- 238000004378 air conditioning Methods 0.000 claims 2
- 239000011593 sulfur Substances 0.000 claims 2
- 241001062472 Stokellia anisodon Species 0.000 claims 1
- 230000003009 desulfurizing effect Effects 0.000 claims 1
- 239000000945 filler Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 claims 1
- 239000007924 injection Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 87
- 229910052742 iron Inorganic materials 0.000 abstract description 44
- 229910052799 carbon Inorganic materials 0.000 abstract description 8
- 229910052710 silicon Inorganic materials 0.000 abstract description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- 229910005347 FeSi Inorganic materials 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 239000000155 melt Substances 0.000 description 65
- 239000000523 sample Substances 0.000 description 36
- 239000011777 magnesium Substances 0.000 description 29
- 238000002076 thermal analysis method Methods 0.000 description 15
- 238000007792 addition Methods 0.000 description 14
- 239000007789 gas Substances 0.000 description 12
- 239000005864 Sulphur Substances 0.000 description 11
- 238000010924 continuous production Methods 0.000 description 8
- 238000005070 sampling Methods 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000010923 batch production Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000011081 inoculation Methods 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 238000007711 solidification Methods 0.000 description 5
- 230000008023 solidification Effects 0.000 description 5
- 229910001141 Ductile iron Inorganic materials 0.000 description 4
- 229910001060 Gray iron Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 238000005562 fading Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000002844 continuous effect Effects 0.000 description 1
- 238000011437 continuous method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- -1 for instance Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- QMQXDJATSGGYDR-UHFFFAOYSA-N methylidyneiron Chemical compound [C].[Fe] QMQXDJATSGGYDR-UHFFFAOYSA-N 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000010587 phase diagram Methods 0.000 description 1
- 230000003334 potential effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/10—Making spheroidal graphite cast-iron
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C1/00—Refining of pig-iron; Cast iron
- C21C1/10—Making spheroidal graphite cast-iron
- C21C1/105—Nodularising additive agents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Refinement Of Pig-Iron, Manufacture Of Cast Iron, And Steel Manufacture Other Than In Revolving Furnaces (AREA)
- Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
- Carbon And Carbon Compounds (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
- Heat Treatment Of Steel (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9304347A SE502227C2 (sv) | 1993-12-30 | 1993-12-30 | Förfarande för kontinuerligt tillhandahållande av förbehandlat smält järn för gjutning av föremål av kompaktgrafitjärn |
| PCT/SE1994/001177 WO1995018869A1 (en) | 1993-12-30 | 1994-12-07 | Process control of compacted graphite iron production in pouring furnaces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| LV11749A LV11749A (lv) | 1997-04-20 |
| LV11749B true LV11749B (en) | 1997-10-20 |
Family
ID=20392270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LVP-96-322A LV11749B (en) | 1993-12-30 | 1996-08-02 | Process control of compacted graphite iron production in pouring furnaces |
Country Status (25)
| Country | Link |
|---|---|
| US (1) | US5758706A (et) |
| EP (1) | EP0738333B1 (et) |
| JP (1) | JP3973168B2 (et) |
| KR (1) | KR100359377B1 (et) |
| CN (1) | CN1041329C (et) |
| AT (1) | ATE170223T1 (et) |
| AU (1) | AU684128B2 (et) |
| BR (1) | BR9408467A (et) |
| CA (1) | CA2177597A1 (et) |
| CZ (1) | CZ151996A3 (et) |
| DE (2) | DE69412861T2 (et) |
| DZ (1) | DZ1843A1 (et) |
| EE (1) | EE9600098A (et) |
| FI (1) | FI962737A (et) |
| HU (1) | HUT74217A (et) |
| LT (1) | LT4137B (et) |
| LV (1) | LV11749B (et) |
| MA (1) | MA23413A1 (et) |
| PL (1) | PL315175A1 (et) |
| RU (1) | RU2145638C1 (et) |
| SE (1) | SE502227C2 (et) |
| SI (1) | SI9420078A (et) |
| TN (1) | TNSN94142A1 (et) |
| WO (1) | WO1995018869A1 (et) |
| ZA (1) | ZA9410359B (et) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE509818C2 (sv) * | 1995-11-16 | 1999-03-08 | Sintercast Ab | Method för framställning av gjutna föremål av förbehandlad smälta |
| SE512201C2 (sv) * | 1998-03-06 | 2000-02-14 | Sintercast Ab | Förfarande för framställning av Mg-behandlat järn med förbättrad bearbetbarhet |
| WO2001027345A1 (fr) | 1999-10-13 | 2001-04-19 | Asahi Glass Company, Limited | Cible de pulverisation et son procede de preparation, et procede de formation de film |
| DE502005000531D1 (de) * | 2005-08-05 | 2007-05-10 | Winter Fritz Eisengiesserei | Verfahren zum Herstellen von Vermikulargraphitguss |
| DE102005058532B4 (de) * | 2005-12-08 | 2008-09-04 | Daimler Ag | Verfahren zur anpassungsfähigen Prozesssteuerung für die Herstellung von Gusseisen |
| EP2060340A1 (de) * | 2007-11-06 | 2009-05-20 | Georg Fischer Automotive AG | Vorrichtung und Verfahren zum Niederdruckgiessen von Metallschmelzen |
| US8056604B2 (en) * | 2009-09-04 | 2011-11-15 | Ask Chemicals L.P. | Process for preparing a test casting and test casting prepared by the process |
| KR101605905B1 (ko) * | 2009-12-22 | 2016-03-23 | 두산인프라코어 주식회사 | Ｃｇｉ 주철 및 그 제조방법 |
| EP2341154B1 (en) * | 2010-01-05 | 2015-02-25 | Pedro Fernandez Teran | Process for making nodular cast iron |
| CN103635595A (zh) * | 2011-07-22 | 2014-03-12 | 诺伊哈尔贝里格斯有限责任公司 | 生产含有蠕虫状石墨的铸铁的方法及铸铁件 |
| US10844446B2 (en) * | 2013-05-09 | 2020-11-24 | Dresser-Rand Company | Physical property improvement of iron castings using carbon nanomaterials |
| US11859270B2 (en) | 2016-09-12 | 2024-01-02 | Snam Alloys Pvt Ltd | Non-magnesium process to produce compacted graphite iron (CGI) |
| EP3666415A1 (de) * | 2018-12-14 | 2020-06-17 | GF Casting Solutions Leipzig GmbH | Verfahren zur herstellung von gjs und gjv gusseisen |
| CN114247856A (zh) * | 2021-11-26 | 2022-03-29 | 山东莱钢永锋钢铁有限公司 | 一种应用于铁水包内铁水保温的方法 |
| CN114062418B (zh) * | 2022-01-14 | 2022-04-08 | 潍柴动力股份有限公司 | 一种蠕墨铸铁铁液孕育多特征点双样杯热分析评价方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE350606B (et) * | 1970-04-27 | 1972-10-30 | S Baeckerud | |
| JPS5226039A (en) * | 1975-08-22 | 1977-02-26 | Mitsubishi Electric Corp | Glow dicharge heater |
| RO71368A2 (ro) | 1979-02-16 | 1981-08-30 | Institutul De Cercetaresstiintifica,Inginerie Tehnologica Si Proiectare Pentru Sectoare Calde,Ro | Procedeu de elaborare a fontelor cu grafit vermicular prin dubla modificare |
| DE3412024C1 (de) * | 1984-03-31 | 1985-07-18 | Fritz Winter, Eisengießerei oHG, 3570 Stadtallendorf | Verfahren und Vorrichtung zur thermischen Analyse von Gusseisen |
| SE444817B (sv) | 1984-09-12 | 1986-05-12 | Sintercast Ab | Forfarande for framstellning av gjutgods av gjutjern |
| SE466059B (sv) * | 1990-02-26 | 1991-12-09 | Sintercast Ltd | Foerfarande foer kontroll och justering av primaer kaernbildningsfoermaaga hos jaernsmaeltor |
| SE469712B (sv) | 1990-10-15 | 1993-08-30 | Sintercast Ltd | Foerfarande foer framstaellning av gjutjaern med kompakt grafit |
| SE470091B (sv) * | 1992-04-09 | 1993-11-08 | Sintercast Ltd | Förfarande för bestämning av kolekvivalenten hos strukturmodifierade gjutjärnssmältor |
-
1993
- 1993-12-30 SE SE9304347A patent/SE502227C2/sv not_active IP Right Cessation
-
1994
- 1994-12-07 DE DE69412861T patent/DE69412861T2/de not_active Expired - Fee Related
- 1994-12-07 AU AU14286/95A patent/AU684128B2/en not_active Ceased
- 1994-12-07 BR BR9408467A patent/BR9408467A/pt not_active IP Right Cessation
- 1994-12-07 CA CA002177597A patent/CA2177597A1/en not_active Abandoned
- 1994-12-07 JP JP51842995A patent/JP3973168B2/ja not_active Expired - Fee Related
- 1994-12-07 RU RU96116154/02A patent/RU2145638C1/ru not_active IP Right Cessation
- 1994-12-07 AT AT95905822T patent/ATE170223T1/de not_active IP Right Cessation
- 1994-12-07 EP EP95905822A patent/EP0738333B1/en not_active Expired - Lifetime
- 1994-12-07 KR KR1019960703582A patent/KR100359377B1/ko not_active IP Right Cessation
- 1994-12-07 SI SI9420078A patent/SI9420078A/sl unknown
- 1994-12-07 EE EE9600098A patent/EE9600098A/et unknown
- 1994-12-07 PL PL94315175A patent/PL315175A1/xx unknown
- 1994-12-07 CN CN94194407A patent/CN1041329C/zh not_active Expired - Fee Related
- 1994-12-07 DE DE4480476T patent/DE4480476T1/de not_active Withdrawn
- 1994-12-07 HU HU9601570A patent/HUT74217A/hu unknown
- 1994-12-07 WO PCT/SE1994/001177 patent/WO1995018869A1/en not_active Application Discontinuation
- 1994-12-07 US US08/676,107 patent/US5758706A/en not_active Expired - Lifetime
- 1994-12-07 CZ CZ961519A patent/CZ151996A3/cs unknown
- 1994-12-27 MA MA23742A patent/MA23413A1/fr unknown
- 1994-12-27 TN TNTNSN94142A patent/TNSN94142A1/fr unknown
- 1994-12-28 DZ DZ940143A patent/DZ1843A1/fr active
- 1994-12-28 ZA ZA9410359A patent/ZA9410359B/xx unknown
-
1996
- 1996-05-31 LT LT96-076A patent/LT4137B/lt not_active IP Right Cessation
- 1996-07-03 FI FI962737A patent/FI962737A/fi not_active Application Discontinuation
- 1996-08-02 LV LVP-96-322A patent/LV11749B/en unknown
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