UA102919C2 - Oxygen lance for blowing oxygen converter BATH from the TOP by TWO TYPES OF JETS - Google Patents
Oxygen lance for blowing oxygen converter BATH from the TOP by TWO TYPES OF JETSInfo
- Publication number
- UA102919C2 UA102919C2 UAA201202196A UAA201202196A UA102919C2 UA 102919 C2 UA102919 C2 UA 102919C2 UA A201202196 A UAA201202196 A UA A201202196A UA A201202196 A UAA201202196 A UA A201202196A UA 102919 C2 UA102919 C2 UA 102919C2
- Authority
- UA
- Ukraine
- Prior art keywords
- central nozzle
- lance
- converter
- swirler
- oxygen
- Prior art date
Links
Landscapes
- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The invention relates to the field of ferrous metallurgy, in particular to the design of the oxygen lance for blowing the converter bath from the top with two types of jets. The lance comprises a head with peripheral supersonic nozzles and the central nozzle placed therein, which central nozzle has a cylindrical part and swirler mounted in the front of it with the ratio of total passage area of the swirler channels to the total area of the critical sections of the peripheral nozzles is equal to 0.05-0.25, at that the ratio of the length between a swirler and the outlet section of the central nozzle to the inner diameter of the cylindrical part is 1.5-7.5. The central nozzle can comprise an initial part that is made in the form of the truncated cone divergent or convergent with an apex angle of no more than 12 degrees. The invention provides the increase of efficiency of CO-containing gases afterburning, improving the organization of diversion of the vortex jet of the additional oxygen, the heat balance of the slag smelting process in the converter, advanced management of the steelmaking process, improving the sustainability of the source area of the central nozzle and the lance in general, and reduces the cost of steel, which is produced in the converter.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UAA201202196A UA102919C2 (en) | 2012-02-24 | 2012-02-24 | Oxygen lance for blowing oxygen converter BATH from the TOP by TWO TYPES OF JETS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UAA201202196A UA102919C2 (en) | 2012-02-24 | 2012-02-24 | Oxygen lance for blowing oxygen converter BATH from the TOP by TWO TYPES OF JETS |
Publications (1)
Publication Number | Publication Date |
---|---|
UA102919C2 true UA102919C2 (en) | 2013-08-27 |
Family
ID=52275061
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
UAA201202196A UA102919C2 (en) | 2012-02-24 | 2012-02-24 | Oxygen lance for blowing oxygen converter BATH from the TOP by TWO TYPES OF JETS |
Country Status (1)
Country | Link |
---|---|
UA (1) | UA102919C2 (en) |
-
2012
- 2012-02-24 UA UAA201202196A patent/UA102919C2/en unknown
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