CN203683575U - Converter water cooling feed opening with good cooling effect and long service life - Google Patents
Converter water cooling feed opening with good cooling effect and long service life Download PDFInfo
- Publication number
- CN203683575U CN203683575U CN201420036202.7U CN201420036202U CN203683575U CN 203683575 U CN203683575 U CN 203683575U CN 201420036202 U CN201420036202 U CN 201420036202U CN 203683575 U CN203683575 U CN 203683575U
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- China
- Prior art keywords
- feed opening
- water jacket
- water
- converter
- steel pipe
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 99
- 238000001816 cooling Methods 0.000 title claims abstract description 42
- 230000000694 effects Effects 0.000 title abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 24
- 239000010959 steel Substances 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000002893 slag Substances 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 2
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract 4
- 239000002826 coolant Substances 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- 230000003245 working effect Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 206010020843 Hyperthermia Diseases 0.000 description 1
- 208000037656 Respiratory Sounds Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 230000036031 hyperthermia Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model relates to a converter water cooling feed opening with a good cooling effect and long service life, which belongs to the technical field of converter feed devices and are used for prolonging the service life of the converter water cooling feed opening. The technical scheme is as follows: a plurality of separation plates are installed between the inner wall of an outer water jacket and the outer wall of an inner water jacket, the separation plates are arranged in parallel along the axial direction of the inner water jacket and the outer water jacket, the upper end and the lower end of each of two adjacent separation plates are respectively communicated with an upper cavity and a lower cavity between the inner water jacket and the outer water jacket, a small steel pipe is respectively installed between every two adjacent separation plates, the upper end of each small steel pipe is connected with a water inlet tank, the lower end of each small steel pipe is opened in the lower cavity between the inner water jacket and the outer water jacket, and a water outlet tank is communicated with the upper cavity between the inner water jacket and the outer water jacket. By adopting the converter water cooling feed opening, the cooling effect of the feed opening can be improved, the slag is unlikely to adhere, and the labor intensity is alleviated; the structure is simple, convenience in installation is realized, and the production cost and maintenance expense are low; the converter water cooling feed opening is matched with the service life of a converter, and the stability, yield and safety in production of the converter can be guaranteed.
Description
Technical field
The utility model relates to a kind of converter water-cooling feed opening, belongs to converter blanking device technical field.
Background technology
Converter feed opening is mounted in flue both sides, for converter smelting adds the entrance of loose shape material, mostly be water-cooling structure part.Because converter feed opening is apart from converter mouth near distance, converter smelting temperature is up to 1600 ℃, feed opening is subject to adhering to of the splashings such as high-temperature furnace gas, flame and slag liquid for a long time, balk cargo has higher speed and certain hardness when by feed opening in addition, thereby make feed opening heating surface often be subject to shock and the wearing and tearing of raw material, the applying working condition very severe of feed opening, feed opening cooling performance is bad is easy to dry slag, deformed damaged generation seepy question, and then safety in production, quality product and the working of a furnace are impacted.
Now conventional feed opening device for feed has three kinds of structure formations: (1) solid matter tubular structure: be bent into solid matter by seamless tube columnar structured, solid matter tubular type feed opening is made up of three or four parts, every part is by Inlet and outlet water path independently.The modified version of solid matter tubular structure is scabbard formula feed opening, in the big steel pipe of scabbard formula feed opening, overlaps little steel pipe, and it is arranged together that seamless tube is pressed circumferential direction, between two pipes, is provided with cooling water path, little steel pipe water inlet, endless tube water outlet.(2) inner division plate case structure: add dividing plate in the middle of internal and external casing, water coolant flows between dividing plate, and water coolant flows into from water tank lower end, and flow out upper end.(3) foundry goods feed opening: being formed by model block cast, is a foundry goods.
The shortcoming of the feed opening of above-mentioned three kinds of structures is: solid matter tubular structure feed opening is owing to being welded into round shape, and steel pipe walls is thin, and outstanding position is easy to grind bleed-out pipe in the time that balk cargo glides, and the life-span is lower.In the time that gliding in feed opening, directly washes away in loose shape material friction tube wall, some enterprise is build-up wear-resistant layer between the heat pipe of feed opening inwall, although can improve work-ing life, but also greatly improve cost simultaneously, and improved scabbard formula feed opening, cooling performance is better, but makes complicated, cost is higher, and tube wall is not high thin work-ing life.Inner division plate case structure feed opening in use water coolant can not be smooth and easy flows and has dead angle, has vortex phenomenon, causes in water tank water temperature part too high, easily leaks.Box feed opening cost of manufacture is low, but work-ing life is shorter.Although foundry goods feed opening has improved the performances such as corrosion resistant, high temperature resistant and intensity, cooling performance is bad, and easily dry slag, increase labour intensity, and cost is higher, and external diameter is not suitable for greatly small vessel and installs.
Utility model content
Technical problem to be solved in the utility model is to provide the converter water-cooling feed opening that a kind of good cooling results, duration of service are long, this converter water-cooling feed opening can improve the cooling performance of feed opening, extend the work-ing life of feed opening, reduce production costs, reach feed opening life-span and Converter labour and match.
The technical scheme solving the problems of the technologies described above is:
A kind of good cooling results, the converter water-cooling feed opening that duration of service is long, its structure comprises inner water sleeve, outer water jacket, dividing plate, little steel pipe, inlet chest, water tank, inner water sleeve and outer water jacket are concentric(al) circles cylindrical shell, between outer water jacket inwall and inner water sleeve outer wall, multiple dividing plates are installed, dividing plate is axial along inner water sleeve and outer water jacket, dividing plate is arranged in parallel, the top and bottom of adjacent separator are communicated with in the upper chamber between inner water sleeve and outer water jacket and lower cavity respectively, little steel pipe is installed between dividing plate, the upper end of little steel pipe is connected with inlet chest, open in the lower cavity of the lower end of little steel pipe between inner water sleeve and outer water jacket, water tank is connected with the upper chamber of inner water sleeve and outer water jacket.
The converter water-cooling feed opening that above-mentioned good cooling results, duration of service are grown, the lower end of described inner water sleeve and outer water jacket is by annular semi-circular tube connecting sealed.
The converter water-cooling feed opening that above-mentioned good cooling results, duration of service are grown, is welded with several interrupted wear-resisting ribs in the balk cargo impact site of described inner water sleeve.
The beneficial effects of the utility model are:
The utility model, in conjunction with the advantage of the box feed opening of inner division plate and scabbard formula feed opening, is inserted into little solid matter steel pipe between the dividing plate of box feed opening, has advantages of following:
(1) by composition optimizes, can not produce localized hyperthermia, obviously raise work-ing life;
(2) feed opening cooling performance is better, is difficult for dry slag, reduces labour intensity;
(3) simple in structure, easy for installation, cost of manufacture and maintenance cost are low;
(4) realized and mating that Converter is used as a servant, for converter stable yields, excellent product, safety in production provide safeguard.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the A-A sectional view of Fig. 1.
In figure, mark is as follows: inner water sleeve 1, inlet chest 2, little steel pipe 3, water tank 4, outer water jacket 5, semi-circular tube 6, retaining plate 7, dividing plate 8.
Embodiment
Converter water-cooling feed opening is arranged on flue both sides by retaining plate 7, and operation condition temperature is very high, therefore require converter water-cooling feed opening to have reliable cooling, guarantees that heating surface does not leak because excess Temperature causes wearing and tearing.Therefore the wear resistance of converter water-cooling feed opening internal surface and surperficial cooling intensity have determined the work-ing life of converter water-cooling feed opening.
The utility model combines the advantage of the box feed opening of inner division plate and scabbard formula feed opening, designed the converter water-cooling feed opening that a kind of good cooling results, duration of service are long, its structure comprises inner water sleeve 1, inlet chest 2, little steel pipe 3, water tank 4, outer water jacket 5, semi-circular tube 6, retaining plate 7, dividing plate 8.
In figure, show, inner water sleeve 1(material 16MnR) and outer water jacket 5 be all to have plate rolling tube to be welded, between outer water jacket 5 inwalls and inner water sleeve 1 outer wall, multiple dividing plates 8 are installed, dividing plate 8 is axial along inner water sleeve 1 and outer water jacket 5, dividing plate 8 is arranged in parallel, and the top and bottom of adjacent separator 8 are communicated with in the upper chamber between inner water sleeve 1 and outer water jacket 5 and lower cavity respectively.
In figure, show, the lower end of inner water sleeve 1 and outer water jacket 5 is by annular semi-circular tube 6 connecting sealeds, owing to being communicated with in the lower cavity between inner water sleeve 1 and outer water jacket 5 of the lower end of adjacent separator 8, stop the box feed opening end opening of original inner division plate water coolant and had flow dead phenomenon, reduced end and often occur crackle formula leakage point accident.
In figure, show, little steel pipe 3 is installed between dividing plate 8, and the upper end of little steel pipe 3 is connected with inlet chest 2, open in the lower cavity of the lower end of little steel pipe 3 between inner water sleeve 1 and outer water jacket 5.
In figure, show, water tank 4 is connected with the upper chamber of inner water sleeve 1 and outer water jacket 5.
In use procedure of the present utility model, extraneous suction culvert is transported to inlet chest 2 water, water coolant flow in bottom semicircular pipe 6 by little steel pipe 3, then water coolant is converged in the water tank 4 that the upper chamber of inner water sleeve 1 and outer water jacket 5 is connected and is discharged by the passage between dividing plate 8 and little steel pipe 3, reaches cooling performance.
Rational water-in and water-out arrangement of the present utility model produces a unobstructed water route, makes feed opening good cooling results.Improved feed opening water jacketing solid matter tubular type feed opening cost before obviously reduces, and obviously improve work-ing life, and surperficial dry slag phenomenon is obviously improved.
The proportioning of little steel pipe 3 of the present utility model, dividing plate 8 spacing and inlet chest 2, water tank 4 is determined by water coolant flow velocity reasonable computation in given pressure of supply water and theoretical path.
The utility model is welded with several interrupted wear-resisting ribs in the balk cargo impact site of inner water sleeve, when loose shape material glides in feed opening, washes away rib and avoids directly washing away friction tube wall, plays the effect of avoiding wearing and tearing.
Claims (3)
1. a good cooling results, the converter water-cooling feed opening that duration of service is long, it is characterized in that: its structure comprises inner water sleeve (1), outer water jacket (5), dividing plate (8), little steel pipe (3), inlet chest (2), water tank (4), inner water sleeve (1) and outer water jacket (5) are concentric(al) circles cylindrical shell, between outer water jacket (5) inwall and inner water sleeve (1) outer wall, multiple dividing plates (8) are installed, dividing plate (8) is axial along inner water sleeve (1) and outer water jacket (5), dividing plate (8) is arranged in parallel, the top and bottom of adjacent separator (8) are communicated with in the upper chamber between inner water sleeve (1) and outer water jacket (5) and lower cavity respectively, little steel pipe (3) is installed between dividing plate (8), the upper end of little steel pipe (3) is connected with inlet chest (2), open in the lower cavity of the lower end of little steel pipe (3) between inner water sleeve (1) and outer water jacket (5), water tank (4) is connected with the upper chamber of inner water sleeve (1) and outer water jacket (5).
2. the converter water-cooling feed opening of growing good cooling results according to claim 1, duration of service, is characterized in that: the lower end of described inner water sleeve (1) and outer water jacket (5) is by annular semi-circular tube (6) connecting sealed.
3. the converter water-cooling feed opening of growing good cooling results according to claim 2, duration of service, is characterized in that: in the balk cargo impact site of described inner water sleeve (1), be welded with several interrupted wear-resisting ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036202.7U CN203683575U (en) | 2014-01-21 | 2014-01-21 | Converter water cooling feed opening with good cooling effect and long service life |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420036202.7U CN203683575U (en) | 2014-01-21 | 2014-01-21 | Converter water cooling feed opening with good cooling effect and long service life |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203683575U true CN203683575U (en) | 2014-07-02 |
Family
ID=51005500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420036202.7U Expired - Lifetime CN203683575U (en) | 2014-01-21 | 2014-01-21 | Converter water cooling feed opening with good cooling effect and long service life |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203683575U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066902A (en) * | 2019-06-11 | 2019-07-30 | 扬州恒润海洋重工有限公司 | A kind of converter |
| CN111647710A (en) * | 2020-07-06 | 2020-09-11 | 山东省冶金设计院股份有限公司 | Water-cooling long-life converter tapping hole |
-
2014
- 2014-01-21 CN CN201420036202.7U patent/CN203683575U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110066902A (en) * | 2019-06-11 | 2019-07-30 | 扬州恒润海洋重工有限公司 | A kind of converter |
| CN111647710A (en) * | 2020-07-06 | 2020-09-11 | 山东省冶金设计院股份有限公司 | Water-cooling long-life converter tapping hole |
| CN111647710B (en) * | 2020-07-06 | 2024-05-14 | 山东省冶金设计院股份有限公司 | Water-cooling long-life converter tapping hole |
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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: 063016 Binhe Road, Hebei, Tangshan City, No. 9 Patentee after: HBIS COMPANY LIMITED TANGSHAN BRANCH Address before: 063016 Binhe Road, Hebei, Tangshan City, No. 9 Patentee before: Tangshan Branch of Hebei Iron & Steel Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140702 |