SU536233A1 - The method of producing ferrochrome - Google Patents
The method of producing ferrochromeInfo
- Publication number
- SU536233A1 SU536233A1 SU2302879A SU2302879A SU536233A1 SU 536233 A1 SU536233 A1 SU 536233A1 SU 2302879 A SU2302879 A SU 2302879A SU 2302879 A SU2302879 A SU 2302879A SU 536233 A1 SU536233 A1 SU 536233A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- ferrochrome
- nitrogen
- producing ferrochrome
- producing
- content
- Prior art date
Links
- 229910000604 Ferrochrome Inorganic materials 0.000 title description 6
- 238000000034 method Methods 0.000 title description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 2
- 235000011941 Tilia x europaea Nutrition 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 239000004571 lime Substances 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910020056 Mg3N2 Inorganic materials 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 241001122767 Theaceae Species 0.000 description 1
- 230000032683 aging Effects 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 235000003891 ferrous sulphate Nutrition 0.000 description 1
- 239000011790 ferrous sulphate Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 1
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 229910052566 spinel group Inorganic materials 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
Landscapes
- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Steel In Its Molten State (AREA)
Description
..- --,- ... : ,.,- ,..- -, - ...:,., -,
- 5,36253 .. : - 5.36253 ..:
3 ; . 3; .
МоО СггОз + С Mg +iCr-гСОMoo SrgOz + With Mg + iCr-gSO
Образо-вавшийС маи.кий соеди н етс с азотом в лроч.н-ые к:оедИне.ни1Я Mg3N2 (ДН 110,3 ккал/ юль), которые отгон ютс в вакуумную систему.The formed mai.kai is combined with nitrogen in the form of nitrogen: to the Mg3N2 (DN 110.3 kcal / yl), which is distilled into the vacuum system.
Савместна диффузи ато,моз л-егколспар ЮШегос .ма1гни1 i азота .имеет большую окорость, чем одних атсйгОз азота.The common diffusion of atoms, the core of the ocean of South America, nitrogen and nitrogen, has a greater degree of clogging than some natural nitrogen.
Садержаетие серы и алЮМин л в феррохроме также слмж.СНО. The sulfur and alumina content in ferrochrome is also slmzh.SNO.
|Выдерж(к.а фе-;ррохр6ма при пониженном давлен-иа- омр-ащаетс в 1.,о-2 .раза.Soak (c. A fe-; rohhr6ma under reduced pressure-ia-omr-a) in 1., o-2 times.
|П,р ,и.м ejp. В электродутовой лечи расплавл ют хромовую руду СггОз 52%, известь СаО 92%, ферро снл ,ко :рол-1 S 51%; Сг 29,5%, ж«л-езо о.сталыное в колэ чйстве| N, r, im ejp. In the electric-lead lechi, chromium ore of Cr2O3 52%, lime CaO 92%, ferrous sulfate, co-melt: Rol-1 S 51%; C 29.5%, well “l-ozo o.stalynoe in kolee property
.Ji.ii ... .Ji.ii ...
-ч -h
, 3040 и 1340 кг на плавку соответст.в-ен .н-й., 3040 and 1340 kg for smelting respectively. En-th.
В л.раце-ссе ллавки,кремний снлико.хрома восстанавливает окислы хро.ма .и железа . Из кремйезема, .извести и пустой .породы 1хрО:мовой рУДЬ1 образуетс рафнн ровочный шлаа.In the l.Race-sse of the llavka, silicon snlyko.chrome restores oxides hro.ma. And iron. From cremezem, lime and empty rocks 1xO: new ROUD1 a refining slurry is formed.
После .инирова ни фер.рохрОма шллком , содержащим, %: СаО 50-55, Сг2Оз 4-6, SiOs 28-32, в металл с содержан ем, %: Si 0,05-0,2, Сг 70-73, Р 0,03, Fe и лримеон остальное, загружают .магнез.иальные шпинели фракции 0,1- мм.After the insulation, neither fer.rohroma is housed, containing,%: CaO 50-55, Cr2Oz 4-6, SiOs 28-32, in metal with content,%: Si 0.05-0.2, Cg 70-73, P 0.03, Fe and Lrimeon else, load .magnezial spinel fraction 0.1 mm.
Да.лее феррохром разл.ивают в плоские слитки размером 0,6X1,5X0-07 .и, л выдерживают их в термической л.ечи лри 1420- 1480° С и давлении 0,1-0,5 мм рт. ст.Yes.lee ferrochrome is decomposed into flat ingots of 0.6X1.5X0-07 .i, l, they are kept in a thermal oil of 1420-1480 ° C and a pressure of 0.1-0.5 mm Hg. Art.
В таблице нриведены результаты опытов.The table shows the results of experiments.
,Из ири,веде.н.ных данных .видно, что предлатаемый .способ получени феррохрома ускор ет CKOipo.cTb, С.нижен.и содержааи азота, углерода и .кислорода.From iri, the ved data shows that the preferred method for producing ferrochrome accelerates CKOipo. CTb, C. lowered and containing nitrogen, carbon and oxygen.
Обща продолжительно.сть (процесса лолучени феррохролш сокращаетс примерно в 1,5 раза. Отпадает необходимость дроблени слитков ферр.охрод а.Generally long (the process of getting the ferrochrolesch is reduced by about 1.5 times. There is no need for crushing the ferrous chloride bars a.
Ф о р .м у л а изобретени Способ лолучени феррохрома, заключающийс в -проплавлении щ:ихты, рафинировании полученнаго расплава, его разливке и выдержке (при давлении 0,1-0,5 мм рт. ст., .0 т л и чаю щ-и и с те.м, что, с целью повыщени скорости снижени содержани азота и со(кра.щени (продолжительности технологического процесса, в феррохром п0(сле раф(и.н;цровани до содержани кремг и 0,05-0,2% ввод т магйезиальные шпинели 0,5-2% от веса феррохро .ма.Formula of the invention The method of obtaining ferrochrome, which consists in melting u: ichts, refining the melt obtained, casting and aging (at a pressure of 0.1-0.5 mm Hg., .0 T L and I also use tea with that, in order to increase the rate of decrease in the nitrogen content and co (kraschina (the duration of the technological process, in ferrochrome n0 (after the process (i.n.); Magiesian spinels of 0.5-2% by weight of ferrochroma.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2302879A SU536233A1 (en) | 1975-12-29 | 1975-12-29 | The method of producing ferrochrome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU2302879A SU536233A1 (en) | 1975-12-29 | 1975-12-29 | The method of producing ferrochrome |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU536233A1 true SU536233A1 (en) | 1976-11-25 |
Family
ID=20641817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU2302879A SU536233A1 (en) | 1975-12-29 | 1975-12-29 | The method of producing ferrochrome |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU536233A1 (en) |
-
1975
- 1975-12-29 SU SU2302879A patent/SU536233A1/en active
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