CN217499309U - Scaling delay type tuyere small sleeve - Google Patents
Scaling delay type tuyere small sleeve Download PDFInfo
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- CN217499309U CN217499309U CN202221093987.2U CN202221093987U CN217499309U CN 217499309 U CN217499309 U CN 217499309U CN 202221093987 U CN202221093987 U CN 202221093987U CN 217499309 U CN217499309 U CN 217499309U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 91
- 239000000498 cooling water Substances 0.000 claims abstract description 41
- 239000011229 interlayer Substances 0.000 claims abstract description 14
- 239000002455 scale inhibitor Substances 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 10
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000010410 layer Substances 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 230000000392 somatic effect Effects 0.000 abstract description 4
- 230000001934 delay Effects 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
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Abstract
The utility model discloses a scale deposit delays type wind gap tegillum belongs to ironmaking blast furnace annex technical field, including this somatic part and preceding tip, preceding tip includes inner tube wall and urceolus wall, and the inner tube wall links to each other with the path end of urceolus wall, and the inner tube wall links to each other with this somatic part with the big footpath end of urceolus wall, and the intermediate layer forms the water course between inner tube wall and the urceolus wall, is equipped with the divertor in the intermediate layer and holds the box, holds to be equipped with the hole of permeating water on the box lateral wall. The flow guider and the containing box are arranged in the interlayer between the inner cylinder wall and the outer cylinder wall at the front end part, the flow guider is used for guiding the cooling water flowing through the interlayer water channel, and meanwhile, the cooling water can continuously wash the internal scale inhibitor in the process of flowing through the containing box through the water permeable holes, so that the scale inhibitor is slowly dissolved in the cooling water, and the function of delaying scaling is achieved. Adopt the utility model discloses can prevent effectively that cooling water flow from scale deposit and influencing the heat transfer in the water course, and then improve the heat transfer performance of tuyere small sleeve, prolong its maintenance cycle and life, reduce cost of maintenance.
Description
Technical Field
The utility model belongs to the technical field of iron-making blast furnace accessories, especially, relate to a scale deposit delay type tuyere small sleeve.
Background
As is known well, the tuyere small sleeve belongs to a vulnerable part in the production of a blast furnace, and needs to frequently bear the scouring and the impact of high-temperature hot air, slag iron and high-speed circulating incandescent materials due to the severe application environment, the outer surface of the front end of the tuyere needs to bear high-temperature radiation and the convection heat exchange of high-temperature air flow and the slag iron, two damage modes of melting loss and abrasion are mainly adopted, and the two damage reasons are specifically analyzed and are caused by the blocked heat conducting performance of the tuyere small sleeve. At present, the existing tuyere small sleeve has the problem that heat conduction is blocked after the tuyere small sleeve is used for a period of time, and mainly due to the fact that cooling water scales inside the tuyere small sleeve, the tuyere small sleeve capable of delaying the structure needs to be developed urgently to reduce the replacement frequency of the tuyere small sleeve and further reduce the maintenance cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a scale deposit delays type wind gap snare aims at solving among the prior art inside scale deposit of wind gap snare and influences its heat transfer performance and the technical problem that the scaling became invalid.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is:
the utility model provides a scale deposit delay type wind gap tegillum, includes this somatic part and has the preceding tip of tapering, preceding tip includes the inner tube wall and the urceolus wall of circular cone tube-shape, the inner tube wall links to each other with the path end of urceolus wall, the big footpath end of inner tube wall and urceolus wall links to each other with this somatic part, the intermediate layer between inner tube wall and the urceolus wall forms the water course that supplies the cooling water circulation, be equipped with in the intermediate layer and be used for the divertor of cooling water conservancy diversion and be used for holding the box that holds of antisludging agent, it is equipped with the hole of permeating water on the lateral wall of box to hold.
Preferably, the accommodating box is arranged in the middle of the inner wall of the fluid director, the accommodating box comprises a tube body and connecting rings at two ends of the tube body, an inner ring of each connecting ring is connected with the edge of the tube body, and an outer ring of each connecting ring is connected with the inner wall of the fluid director; the two connecting rings comprise large rings and small rings with different widths, and a plurality of water permeable holes are formed in the large rings and the pipe body at intervals.
Preferably, the pipe body is a cylindrical cylinder, the inner diameters of the large ring and the small ring are the same, the outer diameter of the large ring is larger than that of the small ring, and the large ring is arranged close to one end of the body part; the water permeable hole on the pipe body is arranged close to one end of the small ring.
Preferably, the fluid director comprises a cylinder body, a front cover and a rear cover, the front cover and the rear cover are respectively arranged at the front end and the rear end of the cylinder body, the cylinder body is arranged between the inner cylinder wall and the outer cylinder wall, and the front cover and the rear cover are both annular plates; the front cover and the rear cover are respectively provided with a water inlet and a water outlet which are opposite to the water inlet and the water outlet of the barrel body, the inner edge and the outer edge of the front cover and the rear cover are respectively connected with the inner barrel wall and the outer barrel wall, and the rear cover is arranged close to one end of the body part; the accommodating box is arranged on the inner wall of the barrel body; the front cover and the interlayer front side, and the rear cover and the interlayer rear side are provided with spaces for cooling water to flow through.
Preferably, the water outlet on the front cover corresponds to the outer side of the cylinder body, and the water inlet corresponds to the inner side of the cylinder body; the water inlet on the rear cover corresponds to the outer side of the barrel, and the water outlet corresponds to the inner side of the barrel; the water inlet on the front cover and the water outlet on the rear cover are arranged in a staggered manner.
Preferably, the water outlet on the front cover is arranged on the outer side edge of the front cover, and the water inlet on the rear cover is arranged on the outer side edge of the rear cover; the water outlet and the water inlet on the front cover are arranged in a staggered manner, and the water inlet and the water outlet on the rear cover are arranged in a staggered manner; the water outlet on the front cover and the water inlet on the rear cover are arranged in a staggered manner.
Preferably, a partition plate and a plurality of baffle plates are arranged on the outer surface of the barrel, two ends of the partition plate are respectively connected with the front cover and the rear cover and are arranged between a water outlet on the front cover and a water inlet on the rear cover, the baffle plates are arranged at intervals in a vertically staggered manner, and the partition plate and the baffle plates are arranged along the bus direction of the barrel; the outer side edge of the baffle plate is connected with the inner surface of the outer cylinder wall, and the inner side edge of the baffle plate is connected with the outer surface of the cylinder body and used for enabling cooling water to pass through the space between the cylinder body and the outer cylinder wall in an S shape.
Preferably, the water inlet and the water outlet on the front cover and the rear cover are both arc-shaped openings.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the utility model discloses an install the divertor and hold the box in the intermediate layer between the inner tube wall of tip and the urceolus wall in the front, utilize the divertor to carry out the water conservancy diversion to the cooling water that flows through the intermediate layer water course, the cooling water is flowed through the hole of permeating water simultaneously and is held the box in-process, can constantly erode inside antisludging agent to make antisludging agent slowly dissolve in the cooling water, play the effect that delays the scale deposit. Adopt the utility model discloses can prevent effectively that cooling water flow from scaling up in the water course and influencing the heat transfer, and then improve the heat transfer performance of tuyere small sleeve, prolong its maintenance cycle and life, reduce cost of maintenance.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural view of a scaling-delayed tuyere small sleeve provided by an embodiment of the present invention;
FIG. 2 is a schematic view of the structure of the housing box of FIG. 1;
fig. 3 is an external view of a deflector according to an embodiment of the present invention;
FIG. 4 is a schematic view of the flow of cooling water during use of the fouling-retarding tuyere stock of FIG. 1;
FIG. 5 is a schematic view of the A-side of the front cover in FIG. 4;
FIG. 6 is a schematic view of the side B of the rear cover in FIG. 4;
in the figure: 1-body part, 2-front end part, 21-inner cylinder wall, 22-outer cylinder wall; 3-fluid director, 31-barrel, 32-front cover, 33-rear cover; 4-containing box, 41-tube, 42-connecting ring, 421-large ring, 422-small ring; 5-permeable holes, 6-water inlet, 7-water outlet, 8-partition board, 9-baffle board and 10-interlayer.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 and 4, the utility model provides a pair of scale deposit delay type wind gap small sleeve includes body portion 1 and has tapered preceding tip 2, preceding tip 2 includes the inner tube wall 21 and the urceolus wall 22 of circular cone tube-shape, the inner tube wall 21 is linked to each other with the path end of urceolus wall 22, the big footpath end of inner tube wall 21 and urceolus wall 22 links to each other with body portion 1, intermediate layer 10 between inner tube wall 21 and the urceolus wall 22 forms the water course that supplies the cooling water circulation, be equipped with in the intermediate layer 10 and be used for holding the box 4 that holds of antisludging agent to the divertor 3 of cooling water conservancy diversion, it is equipped with water permeable hole 5 on the lateral wall of box 4 to hold. Cooling water enters the interlayer at the front end part, and the scale inhibitor inside the cooling water can be continuously washed in the process that the cooling water flows through the accommodating box through the water permeable holes, so that the scale inhibitor is slowly dissolved in the cooling water, and the function of delaying scaling is achieved; meanwhile, the fluid director plays a role in guiding the cooling water, so that the cooling water can orderly flow through the interlayer, and a cooling effect is achieved.
In a specific embodiment of the present invention, as shown in fig. 1 and 2, the accommodating box 4 is disposed in the middle of the inner wall of the fluid director 3, the accommodating box 4 includes a tube 41 and connecting rings 42 at two ends thereof, an inner ring of the connecting ring 42 is connected to the edge of the tube 41, and an outer ring of the connecting ring 42 is connected to the inner wall of the fluid director 3; the two connection rings 42 comprise a large ring 421 and a small ring 422 with different widths, and the large ring 421 and the pipe body 41 are respectively provided with a plurality of water permeable holes 5 at intervals. The pipe body 41 is a cylindrical pipe, the inner diameters of the large ring 421 and the small ring 422 are the same, the outer diameter of the large ring 421 is larger than that of the small ring 422, and the large ring 421 is arranged near one end of the body part 1; the water permeable hole 5 on the pipe body 41 is arranged near one end of the small ring 422. The cooling water flows through the accommodating box through the water permeable holes, and the flowing cooling water continuously washes the scale inhibitor to slowly dissolve the scale inhibitor in the cooling, so that the scale formation is prevented or delayed.
As a preferable scheme, as shown in fig. 1 and 3, the fluid director 3 includes a cylinder 31, a front cover 32 and a rear cover 33, the front cover 32 and the rear cover 33 are respectively disposed at the front end and the rear end of the cylinder 31, the cylinder 31 is disposed between the inner cylinder wall 21 and the outer cylinder wall 22, and the front cover 32 and the rear cover 33 are both annular plates; the front cover 32 and the rear cover 33 are respectively provided with a water inlet 6 and a water outlet 7 which are opposite to the water inlet and outlet of the barrel 31, the inner edge and the outer edge of the front cover 32 and the rear cover 33 are respectively connected with the inner barrel wall 21 and the outer barrel wall 22, and the rear cover 33 is arranged close to one end of the body part 1; the containing box 4 is arranged on the inner wall of the cylinder 31; spaces for cooling water to flow are arranged on the front side of the front cover 32 and the interlayer 10 and on the rear side of the rear cover 33 and the interlayer 10. The cooling water flows through the inner part and the outer part of the barrel through the water inlets and the water outlets on the front cover and the rear cover, so that the cooling water can cool the front end part.
In a specific embodiment of the present invention, as shown in fig. 5 and 6, the water outlet 7 on the front cover 32 corresponds to the outer side of the cylinder 31, and the water inlet 6 corresponds to the inner side of the cylinder 31; the water inlet 6 on the rear cover 33 corresponds to the outer side of the cylinder 31, and the water outlet 7 corresponds to the inner side of the cylinder 31; the water inlets 6 on the front cover 32 and the water outlets 7 on the rear cover 33 are arranged in a staggered manner. During specific manufacturing, the water outlet 7 on the front cover 32 is arranged on the outer side edge of the front cover 32, and the water inlet 6 on the rear cover 33 is arranged on the outer side edge of the rear cover 33; the water outlets 7 and the water inlets 6 on the front cover 32 are arranged in a staggered manner, and the water inlets 6 and the water outlets 7 on the rear cover 33 are arranged in a staggered manner; the water outlets 7 on the front cover 32 and the water inlets 6 on the rear cover 33 are arranged in a staggered manner. The water inlet 6 and the water outlet 7 on the front cover 32 and the rear cover 33 are both arc-shaped openings, so that cooling water can smoothly pass through the openings. The arrows in figure 4 show the flow direction of cooling water inside and outside the cylinder, the cooling water firstly enters the inner space of the fluid director, flows through the containing box to dissolve the scale inhibitor, and the cooling water dissolved with the scale inhibitor flows through the outer space of the fluid director, so that the effects of delaying scaling and reducing temperature are achieved, and the service life of the cooling water is prolonged.
Further optimizing the technical scheme, as shown in fig. 3, a partition plate 8 and a plurality of baffle plates 9 are arranged on the outer surface of the cylinder 31, two ends of the partition plate 8 are respectively connected with the front cover 32 and the rear cover 33 and are arranged between the water outlet 7 on the front cover 32 and the water inlet 6 on the rear cover 33, the plurality of baffle plates 9 are arranged at intervals and in a vertically staggered manner, and the partition plate 8 and the baffle plates 9 are arranged along the bus direction of the cylinder 31; the outer edge of the baffle plate 9 is connected with the inner surface of the outer cylinder wall 22, and the inner edge of the baffle plate 9 is connected with the outer surface of the cylinder 31, so that cooling water passes through the space between the cylinder 31 and the outer cylinder wall 22 in an S shape. By adopting the structure, the flow path of the cooling water in the interlayer can be prolonged, so that the stay time in the tuyere small sleeve is prolonged, and the cooling effect is improved.
During the specific manufacturing, the fluid director 3 and the containing box 4 are respectively welded and formed by steel pipes and steel plates, the containing box 4 is welded on the inner wall of the cylinder body 31, and then the fluid director 3 is welded and fixed between the inner cylinder wall 21 and the outer cylinder wall 22. The main body 1, the inner cylinder wall 21 and the outer cylinder wall 22 are made of copper materials, and finally the inner cylinder wall 21 and the outer cylinder wall 22 at the front end are respectively welded and fixed with the inner wall and the outer wall of the main body.
To sum up, the utility model has the advantages of simple structure is compact, cooling is effectual, utilizes the inside box that holds of divertor to place the antisludging agent, can make the cooling water dissolve the antisludging agent at the flow in-process, and the cooling water that dissolves the antisludging agent can prevent or delay the inside scale deposit of water course, improves the heat transfer performance of tuyere small sleeve, prolongs its maintenance cycle, reduces the maintenance and changes the frequency, reduces cost of maintenance, prolongs the life of tuyere small sleeve.
In the above description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be implemented in other ways different from the one described herein, and those skilled in the art may similarly generalize the present invention without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed above.
Claims (8)
1. A scale formation delay type tuyere small sleeve is characterized in that: the water-cooling water circulation device comprises a body part and a front end part with a taper, wherein the front end part comprises a conical inner cylinder wall and an outer cylinder wall, the inner cylinder wall is connected with the small-diameter end of the outer cylinder wall, the large-diameter end of the inner cylinder wall and the large-diameter end of the outer cylinder wall are connected with the body part, an interlayer between the inner cylinder wall and the outer cylinder wall forms a water channel for cooling water circulation, a fluid director for guiding cooling water and an accommodating box for accommodating a scale inhibitor are arranged in the interlayer, and a water permeable hole is formed in the side wall of the accommodating box.
2. The fouling-retarding tuyere small sleeve as set forth in claim 1, wherein: the accommodating box is arranged in the middle of the inner wall of the fluid director and comprises a tube body and connecting rings at two ends of the tube body, the inner ring of each connecting ring is connected with the edge of the tube body, and the outer ring of each connecting ring is connected with the inner wall of the fluid director; the two connecting rings comprise large rings and small rings with different widths, and a plurality of water permeable holes are formed in the large rings and the pipe body at intervals.
3. The fouling-retarding tuyere small sleeve according to claim 2, wherein: the pipe body is a cylindrical cylinder, the inner diameters of the large ring and the small ring are the same, the outer diameter of the large ring is larger than that of the small ring, and the large ring is arranged close to one end of the body part; the water permeable hole on the pipe body is arranged close to one end of the small ring.
4. The fouling-retarding tuyere small sleeve according to any one of claims 1 to 3, wherein: the fluid director comprises a cylinder body, a front cover and a rear cover, the front cover and the rear cover are respectively arranged at the front end and the rear end of the cylinder body, the cylinder body is arranged between the inner cylinder wall and the outer cylinder wall, and the front cover and the rear cover are both annular plates; the front cover and the rear cover are respectively provided with a water inlet and a water outlet which are opposite to the water inlet and the water outlet of the barrel body, the inner edge and the outer edge of the front cover and the rear cover are respectively connected with the inner barrel wall and the outer barrel wall, and the rear cover is arranged close to one end of the body part; the accommodating box is arranged on the inner wall of the barrel body; the front cover and the interlayer front side, and the rear cover and the interlayer rear side are provided with spaces for cooling water to flow through.
5. The fouling-retarding tuyere small sleeve as set forth in claim 4, wherein: the water outlet on the front cover corresponds to the outer side of the barrel body, and the water inlet on the front cover corresponds to the inner side of the barrel body; the water inlet on the rear cover corresponds to the outer side of the barrel, and the water outlet corresponds to the inner side of the barrel; the water inlet on the front cover and the water outlet on the rear cover are arranged in a staggered manner.
6. The fouling-retarding tuyere small sleeve of claim 5, wherein: the water outlet on the front cover is arranged on the outer side edge of the front cover, and the water inlet on the rear cover is arranged on the outer side edge of the rear cover; the water outlet and the water inlet on the front cover are arranged in a staggered manner, and the water inlet and the water outlet on the rear cover are arranged in a staggered manner; the water outlet on the front cover and the water inlet on the rear cover are arranged in a staggered manner.
7. The fouling-retarding tuyere small sleeve of claim 6, wherein: the outer surface of the cylinder is provided with a partition plate and a plurality of baffle plates, two ends of the partition plate are respectively connected with the front cover and the rear cover and are arranged between a water outlet on the front cover and a water inlet on the rear cover, the baffle plates are arranged at intervals in a vertically staggered manner, and the partition plate and the baffle plates are arranged along the bus direction of the cylinder; the outer side edge of the baffle plate is connected with the inner surface of the outer cylinder wall, and the inner side edge of the baffle plate is connected with the outer surface of the cylinder body and used for enabling cooling water to pass through the space between the cylinder body and the outer cylinder wall in an S shape.
8. The fouling-retarding tuyere small sleeve as set forth in claim 7, wherein: the water inlet and the water outlet on the front cover and the rear cover are arc-shaped openings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221093987.2U CN217499309U (en) | 2022-05-09 | 2022-05-09 | Scaling delay type tuyere small sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221093987.2U CN217499309U (en) | 2022-05-09 | 2022-05-09 | Scaling delay type tuyere small sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217499309U true CN217499309U (en) | 2022-09-27 |
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ID=83351636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221093987.2U Active CN217499309U (en) | 2022-05-09 | 2022-05-09 | Scaling delay type tuyere small sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217499309U (en) |
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2022
- 2022-05-09 CN CN202221093987.2U patent/CN217499309U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhangjiakou Dahaoheshan Steel Structure Engineering Co.,Ltd. Assignor: HEBEI WANFENG METALLURGICAL SPARE PARTS Co.,Ltd. Contract record no.: X2023980039919 Denomination of utility model: Scaling delay type air outlet small sleeve Granted publication date: 20220927 License type: Common License Record date: 20230816 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Scaling delay type air outlet sleeve Granted publication date: 20220927 Pledgee: China Construction Bank Corporation Zhangjiakou Xihuan Sub-branch Pledgor: HEBEI WANFENG METALLURGICAL SPARE PARTS Co.,Ltd. Registration number: Y2024980039673 |