PL102476B1 - A PREPARATION FOR REFINING LIQUID FERROUS ALLOYS - Google Patents
A PREPARATION FOR REFINING LIQUID FERROUS ALLOYS Download PDFInfo
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- PL102476B1 PL102476B1 PL19177976A PL19177976A PL102476B1 PL 102476 B1 PL102476 B1 PL 102476B1 PL 19177976 A PL19177976 A PL 19177976A PL 19177976 A PL19177976 A PL 19177976A PL 102476 B1 PL102476 B1 PL 102476B1
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- weight
- amount
- preparation
- aluminum
- calcium
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- 238000007670 refining Methods 0.000 title claims description 11
- 229910000640 Fe alloy Inorganic materials 0.000 title claims description 6
- 239000007788 liquid Substances 0.000 title claims description 4
- 229910001018 Cast iron Inorganic materials 0.000 claims description 14
- 229910052782 aluminium Inorganic materials 0.000 claims description 12
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 12
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 8
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 claims description 7
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 7
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 7
- 239000000292 calcium oxide Substances 0.000 claims description 7
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 claims description 7
- 229910001634 calcium fluoride Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 229910000616 Ferromanganese Inorganic materials 0.000 claims description 3
- DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 3
- 230000000051 modifying effect Effects 0.000 description 3
- 229910052717 sulfur Inorganic materials 0.000 description 3
- 239000011593 sulfur Substances 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 229910000519 Ferrosilicon Inorganic materials 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
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- Treatment Of Steel In Its Molten State (AREA)
- Carbon And Carbon Compounds (AREA)
Description
Przedmiotem wynalazku jest preparat do rafinacji cieklych stopów zelaza, zwlaszcza zeliwa Wynalazek znajduje zastosowanie w przemysle metalurgicznym przy odlewaniu stopów zelaza, a zwlaszcza zeliwa.The present invention relates to a preparation for the refining of liquid iron alloys, especially cast iron The invention finds application in the metallurgical industry in the casting of iron alloys, and in particular cast iron.
Celem poprawy jakosci tworzyw zelaza, a w szczególnosci zeliwa wyjsciowego do sferoidyzacji stosuje sie róznego rodzaju srodki o dzialaniu rafinujaco-modyfikujacym. Zabieg rafinacji ma na celu otrzymanie zeliwa o niskiej zawartosci siarki, tlenu i wtracen niemetalicznych, co umozliwia sporzadzanie odlewów z zeliwa o podwyzszonych wlasnosciach mechanicznych nawet w przypadku zastosowania surowców tanszych i powszechnie dostepnych.In order to improve the quality of iron materials, and in particular the initial cast iron, spheroidization is used various types of refining and modifying agents. The purpose of the refining process is to obtain cast iron with a low content of sulfur, oxygen and non-metallic inclusions, which enables the preparation of cast iron with increased mechanical properties, even in the case of using cheaper raw materials and widely available.
Obecnie rafinacje cieklych stopów zelaza przeprowadza sie przy uzyciutakich skladników jak soda lub karbid wzglednie tlenek wapnia, albo mieszanina sody i karbidu, ewentualnie sody i fluorków lub karbidu z tlenkiem wapnia.Currently, the refining of liquid iron alloys is carried out with the use of components such as soda or carbide or calcium oxide, or a mixture of soda and carbide, possibly soda and fluoride or carbide with calcium oxide.
Znany jest miedzy innymi z publikacji zamieszczonej w Przegladzie Odlewnictwa t. 19 nr 11/1969 lub w Foundry Trade Journal t. 133 nr 2913/1973 r. oraz w Foundry t. 101 nr 12/1973 r - proces rafinacji zeliwa za pomoca karbidu z dodatkiem aluminium.He is known, inter alia, from the publication in Przegląd Odlewnictwa vol. 19 no. 11/1969 or in Foundry Trade Journal vol. 133 No. 2913/1973 and in Foundry vol. 101 No. 12/1973 - the cast iron refining process with carbide with the addition of aluminum.
Przy stosowaniu znanych rafinatorów mozliwe jest odsiarczanie zeliwa tylko do 50% zawartosci siarki w kapielimetalowej. , ¦ ¦ Wynalazek ma na celu opracowanie skladu preparatu o dzialaniu rafinujacym majacym za zadanie obnizenie zawartosci siarki w kapieli metalowej stopów zelaza do okolo 0,01% zawartosci tlenu o okolo 50% oraz znaczne zmniejszenie zawartosci wtracen niemetalicznych. Ponadto preparat wedlug wynalazku, na skutek dzialania równiez modyfikujacego, umozliwia otrzymanie zadanej struktury metalograficznej sporzadzanego stopu.When using known refiners, it is possible to desulphurize cast iron only up to 50% of the sulfur content in capielimetallic. , ¦ ¦ The aim of the invention is to develop the composition of a preparation with a refining effect lowering the sulfur content in the metal bath of iron alloys to about 0.01% of the oxygen content by about 50% and a significant reduction in the content of non-metallic inclusions. In addition, the formulation according to the invention results in also modifying action, it enables to obtain a given metallographic structure prepared alloy.
Istota wynalazku jest preparat zawierajacy w swym skladzie wagowo 30-95% karbidu i 2- 16% fluorku wapnia, który odsiarcza i odtlenia kapiel metalowa, natomiast zawierajac dodatkowo wagowo 2—16% aluminium i 10—40% wapniokrzemu umozliwia otrzymanie stopu o strukturze ferrytycznej lub ferrytyczno-perlitycznej2 102 476 a w przypadku preparatu zawierajacego wagowo 30—95% karbidu, 2 16% fluorku wapnia oraz 8—25% tlenku glinu, 8-25% tlenku wapnia i 2—16% aluminium uzyskuje sie strukture perlityczno-ferrytyczna, a z kolei preparat o skladzie wagowym 30-95% karbidu i 2 16% fluorku wapnia, 10-40% wapniokrzemu, 2-16% aluminium i 5—20% zelazokrzemu umozliwia otrzymanie stopu odsiarczonego o strukturze perlitycznej.The essence of the invention is a preparation containing in its composition 30-95% by weight of carbide and 2-16% of fluoride calcium, which desulphates and deoxygenates a metal bath, while additionally containing 2 - 16% by weight of aluminum and 10-40% of calcium silicon makes it possible to obtain an alloy with a ferritic or ferritic-pearlitic structure2 102 476 and in the case of a preparation containing 30-95% by weight of carbide, 16% by weight of calcium fluoride and 8-25% by weight of oxide aluminum, 8-25% calcium oxide and 2-16% aluminum, a pearlitic-ferritic structure is obtained, and preparation by weight of 30-95% carbide and 2 16% calcium fluoride, 10-40% calcium silicon, 2-16% aluminum and 5-20% ferrosilicon make it possible to obtain a desulphurized alloy with a pearlitic structure.
Wedlug wynalazku preparat wprowadza sie do kapieli metalowej w ilosci 1,0—4,0% wagowych w stosunki do 100% stopu.According to the invention, the preparation is introduced into the metal bath in an amount of 1.0-4.0% by weight, based on the ratio to 100% alloy.
Przyklad I. Do rafinacji zeliwa zastosowano preparat, w ilosci 2,9% wagowych w odniesieniu do 100% wagowych stopu, zawierajacy wagowo: karbid 50,0% wapniokrzem 31,2% aluminium 6,3% fluorek wapnia 12,5% i po procesie sferoidyzacji uzyskano zeliwo o nastepujacych wlasnosciach mechanicznych wstanie lanym: A5 - 20,7%, Rm - 52,4 da N/mm2 Przyklad II. Do rafinacji zeliwa zastosowano preparat, w ilosci 2,2% wagowych w odniesieniu do 100% wagowych stopu, zawierajacy wagowo: karbid — 60%' tlenek wapnia — 12,0%, tlenek glinu 12,0%, aluminium — 8,0% fluorek wapnia-8,0% i po procesie sferoidyzacji uzyskano zeliwo o nastepujacych wlasnosciach mechanicznych w stanie lanym: A5 — 9,3%, Rm — 62,4 da N/mm2.Example I. For the refining of cast iron, the preparation was used in the amount of 2.9% by weight, based on 100% by weight of the alloy, containing by weight: carbide 50.0% calcium silicon 31.2% aluminum 6.3% calcium fluoride 12.5% and after the spheroidization process, a cast iron with the following mechanical properties was obtained in a cast state: A5 - 20.7%, Rm - 52.4 da N / mm2 Example II. For the refining of cast iron, the formulation was used in an amount of 2.2% by weight, based on 100% by weight of the alloy, containing by weight: carbide - 60%, calcium oxide - 12.0%, aluminum oxide 12.0%, aluminum - 8.0% calcium fluoride-8.0% and after the spheroidization process, a cast iron was obtained with the following mechanical properties as cast: A5 - 9.3%, Rm - 62.4 da N / mm2.
Przyklad III. Do rafinacji zeliwa zastosowano preparat, w ilosci 3,1% wagowych stopu, zawierajacy wagowo karbid — 58,8% wapniokrzem 23,5%, zelazomangan 6,0% aluminium 2,9% fluorek wapnia —8,8% i po procesie sferoidyzacji uzyskano zeliwo o nastepujacych wlasnosciach mechanicznych w stanie lanym: A5 — 6,1%, Rm-69,6 da N/mm2 Wprowadzenie do kapieli metalowej karbidu ma na celu jej odsiarczanie i odtlenianie, a takze podwyzszenie temperatury. Z kolei dodatek aluminium, wapniokrzem, tlenek wapnia oraz zelazomangan oprócz dzialania odsiarczajacego i odtleniajacego posiada takze dzialanie modyfikujace. Tlenek glinu dodawany jest w celu obnizenia temperatury topnienia tlenku wapnia natomiast fluorek wapnia uplynnia zuzel.Example III. For the refining of cast iron, a preparation was used in the amount of 3.1% by weight of the alloy containing by weight carbide - 58.8% calcium silicon 23.5%, ferromanganese 6.0% aluminum 2.9% calcium fluoride - 8.8% and after in the spheroidization process, a cast iron was obtained with the following mechanical properties in the as-cast state: A5 - 6.1%, R m, 69.6 da N / mm2 The introduction of carbide to the metal bath is aimed at desulfurization and deoxidation, as well as increasing temperature. In turn, the addition of aluminum, calcium silicon, calcium oxide and ferro-manganese in addition to its action desulphurizing and deoxidizing also has a modifying effect. Alumina is added to the target lowering the melting point of calcium oxide while calcium fluoride liquefies zuzel.
Claims (4)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL19177976A PL102476B1 (en) | 1976-08-11 | 1976-08-11 | A PREPARATION FOR REFINING LIQUID FERROUS ALLOYS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL19177976A PL102476B1 (en) | 1976-08-11 | 1976-08-11 | A PREPARATION FOR REFINING LIQUID FERROUS ALLOYS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL102476B1 true PL102476B1 (en) | 1979-03-31 |
Family
ID=19978178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL19177976A PL102476B1 (en) | 1976-08-11 | 1976-08-11 | A PREPARATION FOR REFINING LIQUID FERROUS ALLOYS |
Country Status (1)
| Country | Link |
|---|---|
| PL (1) | PL102476B1 (en) |
-
1976
- 1976-08-11 PL PL19177976A patent/PL102476B1/en unknown
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