CN203904392U - Impregnation cover capable of being inserted into argon blowing top lance and oxygen lance simultaneously - Google Patents
Impregnation cover capable of being inserted into argon blowing top lance and oxygen lance simultaneously Download PDFInfo
- Publication number
- CN203904392U CN203904392U CN201420262802.5U CN201420262802U CN203904392U CN 203904392 U CN203904392 U CN 203904392U CN 201420262802 U CN201420262802 U CN 201420262802U CN 203904392 U CN203904392 U CN 203904392U
- Authority
- CN
- China
- Prior art keywords
- argon blowing
- cover
- impregnating cover
- argon
- lance
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title claims abstract description 82
- 229910052786 argon Inorganic materials 0.000 title claims abstract description 41
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000001301 oxygen Substances 0.000 title claims abstract description 24
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 24
- 238000007664 blowing Methods 0.000 title abstract description 21
- 238000005470 impregnation Methods 0.000 title abstract 11
- 230000007704 transition Effects 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 18
- 239000010959 steel Substances 0.000 abstract description 18
- 238000009749 continuous casting Methods 0.000 abstract description 4
- 238000003780 insertion Methods 0.000 abstract description 4
- 230000037431 insertion Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000005266 casting Methods 0.000 abstract 1
- 238000007670 refining Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000002893 slag Substances 0.000 description 5
- 238000003756 stirring Methods 0.000 description 5
- 239000000203 mixture Substances 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 238000005275 alloying Methods 0.000 description 3
- 239000011449 brick Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241000406668 Loxodonta cyclotis Species 0.000 description 1
- 241001417490 Sillaginidae Species 0.000 description 1
- 241001062472 Stokellia anisodon Species 0.000 description 1
- XMPZLAQHPIBDSO-UHFFFAOYSA-N argon dimer Chemical compound [Ar].[Ar] XMPZLAQHPIBDSO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
An impregnation cover capable of being inserted into an argon blowing top lance and an oxygen lance simultaneously belongs to the technical field of steel ladle equipment and is used for argon blowing and oxygen blowing operations by being inserted into the argon blowing top lance and the oxygen lance simultaneously. The impregnation cover adopts the technical scheme that the impregnation cover comprises an upper part impregnation cover and a lower part impregnation cover, the lower end of the upper part impregnation cover is connected with the upper end of the lower part impregnation cover through bolts, the upper end surface of the upper part impregnation cover is elliptical, two insertion holes in parallel are formed in the elliptical upper end surface, the central connecting line of the two insertion holes is positioned on the axis of an elliptical long axis, and the argon blowing top lance and the oxygen lance are inserted into the insertion holes respectively. According to the impregnation cover provided by the utility model, the round upper end surface of the upper part impregnation cover is changed to the elliptical upper end surface, so that the oxygen lance and the argon blowing top lance can be inserted simultaneously, oxygen blowing operation and argon blowing operation can be performed simultaneously, and the normal argon blowing operation can be ensured in case of a bottom argon blowing accident, therefore, the stopping of continuous casting is avoided, the constant casting speed of continuous casting and the stable production of a continuous caster are ensured, the product quality is enabled to be stable, and remarkable economic benefits are realized.
Description
Technical field
The utility model relates to a kind of steel production enterprise CAS refining station and can insert simultaneously the impregnating cover of Argon top rifle and oxygen rifle, belongs to ladle equipment technical field.
Background technology
CAS refining station is a kind of low cost ladle refining technique, principle is to utilize oxygen gun blowing, carrying out the heat temperature raising of thermopositive reaction realization to molten steel with the aluminium adding, add various iron alloys to finely tune molten steel composition simultaneously, is a kind of economy refinery practice fast.From the technological process of CAS, steel ladle bottom argon blowing plays a part even molten steel composition, temperature, if air brick of steel ladle stops up and cannot carry out Argon stirring, will have following problem:
(1) damage the resistance to material of impregnating cover.Adding in the oxygen blown pressure temperature-rise period of aluminium, conversion zone liquid steel temperature will reach 2500 ~ 3000 DEG C, if not in time Argon stir carry out molten steel evenly, what high-temperature molten steel can be very fast burns impregnating cover, and the impregnating cover life-span is reduced to 3 ~ 5 stoves by 80 stoves left and right.
(2) inclusion cannot fully float and upgrading.In refining process, add after slag material, realize fully reacting of slag material and inclusion content in melting steel by sufficient stirring, realize the upgrading to inclusion.Meanwhile, by stirring, impel inclusion constantly to assemble, float, enter slag blanket.If do not stirred, cannot realize removal and upgrading to inclusion.
(3) alloying constituent is adjusted inaccurate.Alloy enters after molten steel by four-way elephant trunk, if stir not in time to realize the even of molten steel composition, the alloying element adding will be gathered in the region of impregnating cover, carries out thermometric sampling by can't detect the iron alloy composition adding in impregnating cover outside, cannot judge alloying constituent.
(4) stably manufactured of continuous caster is impacted.If steel ladle bottom argon blowing blows not open, for the company that ensures continuous caster waters, the molten steel in ladle can only be poured in another preheated ladle, seat bag carries out refining again.This process is the time about 10 minutes by needs.In this time period, continuous caster can only reduce pulling rate or stop watering, and is unfavorable for the stably manufactured of continuous caster.
Current domestic steel ladle bottom argon blowing success ratio is 85 ~ 99.9%, the improvement of gas permeable brick, the measure such as adjustment, the improvement of management of bottom blowing technical parameter all cannot ensure 100% Argon success ratio, therefore be necessary to arrange accident Argon top gun apparatus, in the time that Bottom Argon Blowing Device lost efficacy, carry out Argon operation with Argon top rifle.But traditional CAS impregnating cover is suitable for reading and end opening is circular configuration, accident Argon Argon top rifle cannot insert.If by the enlarged-diameter of suitable for reading and end opening, excessive back cut diameter is unfavorable for dedusting in order to ensure the insertion of accident top rifle, excessive end opening can shroud part slag blanket in impregnating cover, and the alloy adding is reacted with slag blanket, reduces yield of alloy.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of impregnating cover that can simultaneously insert Argon top rifle and oxygen rifle, and this impregnating cover can ensure to carry out Argon operation with Argon top rifle in the time that Bottom Argon Blowing Device loses efficacy.
The technical scheme solving the problems of the technologies described above is:
A kind of impregnating cover that can simultaneously insert Argon top rifle and oxygen rifle, it is made up of top impregnating cover and bottom impregnating cover, the circumference of bottom impregnating cover is circular, the lower end of top impregnating cover is circular, the upper end of the lower end of top impregnating cover and bottom impregnating cover is bolted, its improvements are, the upper surface of top impregnating cover is oval, on oval upper surface, there are two jacks arranged side by side, the line at two jack centers is positioned on oval-shaped long axis ray, and Argon top rifle and oxygen rifle are inserted in respectively in jack.
The above-mentioned impregnating cover that can simultaneously insert Argon top rifle and oxygen rifle, the upper end of sidewall and the edge of oval upper surface of described top impregnating cover are connected, the lower end of sidewall is connected with the circular upper end circumferential edges of bottom impregnating cover, and sidewall is from suitable for reading to circular end opening smooth transition from ellipse from top to bottom.
The beneficial effects of the utility model are:
The utility model changes the circular upper surface of top impregnating cover into oval upper surface, can make oxygen rifle and Argon top rifle insert simultaneously, can carry out the operation of oxygen blast and Argon simultaneously, in the time there is BOTTOM ARGON BLOWING accident, can ensure normally carrying out of Argon operation, thereby avoid continuous casting to stop watering, ensure the permanent pulling rate of continuous casting and the stably manufactured of continuous caster, made constant product quality, there is significant economic benefit.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the vertical view of Fig. 1.
Figure acceptance of the bid is as follows: top impregnating cover 1, bottom impregnating cover 2, Argon top rifle 3, oxygen rifle 4, molten steel 5, ladle 6.
Embodiment
The utility model is made up of top impregnating cover 1, bottom impregnating cover 2.
In figure, show, the lower end of top impregnating cover 1 is circular, and the circumference of bottom impregnating cover 2 is circular, and the upper end of the lower end of top impregnating cover 1 and bottom impregnating cover 2 is bolted.
In figure, show, the upper surface of top impregnating cover 1 changes ellipse into by original circle, has two jacks arranged side by side on oval upper surface, and the line at two jack centers is positioned on oval-shaped long axis ray, and Argon top rifle 3 and oxygen rifle 4 are inserted in respectively in jack.
In figure, show, the upper end of the sidewall of top impregnating cover 1 is connected with the edge of oval upper surface, and the lower end of sidewall is connected with the circular upper end circumferential edges of bottom impregnating cover 2, and sidewall is from suitable for reading to circular end opening smooth transition from ellipse from top to bottom.
The utility model is in the time carrying out refining treatment, and bottom impregnating cover 2 inserts ladle 6.In the time of bottom-blown air brick fault, Argon top rifle 3 and oxygen rifle 4 insert oval upper portion impregnating cover 1 and rounded lower portion impregnating cover 2 simultaneously, carry out oxygen blast and nitrogen flushing operation simultaneously, can ensure the Argon operation in the time of BOTTOM ARGON BLOWING accident.
The utility model can bring larger economic benefit, taking certain factory's 2 100 tons of converter of configuration as example, to smelt 80 stoves every day, smelts every year 26000 furnace gauges and calculates, and supposes that its existing steel ladle bottom argon blowing success ratio is 95%, has every year 1300 furnace bottoms to blow unsuccessful.As lost 50 DEG C to roll in packet procedures, the cost of every DEG C is 0.5 yuan of calculating, and the direct economic benefit that can bring is every year: 1300 × 100 tons of bags/× 50 DEG C × 0.5 yuan/DEG C=3,250,000 yuan of bags.
Claims (2)
1. one kind can be inserted the impregnating cover of Argon top rifle and oxygen rifle simultaneously, it is made up of top impregnating cover (1) and bottom impregnating cover (2), the circumference of bottom impregnating cover (2) is circular, the lower end of top impregnating cover (1) is circular, the upper end of the lower end of top impregnating cover (1) and bottom impregnating cover (2) is bolted, it is characterized in that: the upper surface of top impregnating cover (1) is for oval, on oval upper surface, there are two jacks arranged side by side, the line at two jack centers is positioned on oval-shaped long axis ray, Argon top rifle (3) and oxygen rifle (4) are inserted in respectively in jack.
2. the impregnating cover that can simultaneously insert Argon top rifle and oxygen rifle according to claim 1, it is characterized in that: the upper end of sidewall and the edge of oval upper surface of described top impregnating cover (1) are connected, the lower end of sidewall is connected with the circular upper end circumferential edges of bottom impregnating cover (2), and sidewall is from suitable for reading to circular end opening smooth transition from ellipse from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420262802.5U CN203904392U (en) | 2014-05-22 | 2014-05-22 | Impregnation cover capable of being inserted into argon blowing top lance and oxygen lance simultaneously |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420262802.5U CN203904392U (en) | 2014-05-22 | 2014-05-22 | Impregnation cover capable of being inserted into argon blowing top lance and oxygen lance simultaneously |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203904392U true CN203904392U (en) | 2014-10-29 |
Family
ID=51778683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420262802.5U Expired - Fee Related CN203904392U (en) | 2014-05-22 | 2014-05-22 | Impregnation cover capable of being inserted into argon blowing top lance and oxygen lance simultaneously |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203904392U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105624367A (en) * | 2014-12-01 | 2016-06-01 | 鞍钢股份有限公司 | Refining device and method for controlling nitrogen content of molten steel |
| CN105714023A (en) * | 2014-12-01 | 2016-06-29 | 鞍钢股份有限公司 | Low-silicon aluminum killed steel refining device and method |
| CN106702082A (en) * | 2015-11-17 | 2017-05-24 | 鞍钢股份有限公司 | Method for increasing use times of dipping hood of ANS refining furnace |
-
2014
- 2014-05-22 CN CN201420262802.5U patent/CN203904392U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105624367A (en) * | 2014-12-01 | 2016-06-01 | 鞍钢股份有限公司 | Refining device and method for controlling nitrogen content of molten steel |
| CN105714023A (en) * | 2014-12-01 | 2016-06-29 | 鞍钢股份有限公司 | Low-silicon aluminum killed steel refining device and method |
| CN105624367B (en) * | 2014-12-01 | 2017-07-21 | 鞍钢股份有限公司 | Refining device and method for controlling nitrogen content of molten steel |
| CN105714023B (en) * | 2014-12-01 | 2017-09-08 | 鞍钢股份有限公司 | Low-silicon aluminum killed steel refining device and method |
| CN106702082A (en) * | 2015-11-17 | 2017-05-24 | 鞍钢股份有限公司 | Method for increasing use times of dipping hood of ANS refining furnace |
| CN106702082B (en) * | 2015-11-17 | 2018-06-26 | 鞍钢股份有限公司 | Method for increasing use times of dipping hood of ANS refining furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 063000 Hebei province Tangshan City Jianhua West Road No. 1 Patentee after: TANGSHAN IRON AND STEEL INTERNATIONAL ENGINEERING TECHNOLOGY CO.,LTD. Address before: 063000 Hebei province Tangshan City Jianhua West Road No. 1 Patentee before: TANGSHAN IRON & STEEL INTERNATIONAL ENGINEERING TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |
Address after: No. 1 Jianhua Road, North District of Tangshan City Road, Hebei Province, Hebei Patentee after: TANGSTEEL INTERNATIONAL ENGINEERING TECHNOLOGY Co.,Ltd. Address before: 063000 Jianhua West Road, Tangshan City, Hebei Province, No. 1 Patentee before: TANGSHAN IRON AND STEEL INTERNATIONAL ENGINEERING TECHNOLOGY CO.,LTD. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |