CN220132261U - Dispersion air brick with novel safety mark - Google Patents
Dispersion air brick with novel safety mark Download PDFInfo
- Publication number
- CN220132261U CN220132261U CN202320107692.4U CN202320107692U CN220132261U CN 220132261 U CN220132261 U CN 220132261U CN 202320107692 U CN202320107692 U CN 202320107692U CN 220132261 U CN220132261 U CN 220132261U
- Authority
- CN
- China
- Prior art keywords
- brick
- safety mark
- shell
- steel
- carborundum
- 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.)
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- 239000011449 brick Substances 0.000 title claims abstract description 61
- 239000006185 dispersion Substances 0.000 title claims abstract description 14
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 38
- 239000010959 steel Substances 0.000 claims abstract description 38
- 229910010271 silicon carbide Inorganic materials 0.000 claims abstract description 30
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 18
- 238000005266 casting Methods 0.000 claims description 5
- 241000251468 Actinopterygii Species 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000010310 metallurgical process Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Treatment Of Steel In Its Molten State (AREA)
Abstract
The utility model provides a dispersion air brick with novel safety mark, includes shell, brick core, safety mark and air duct, the shell be the steel material awl tubular structure that has the diapire, be equipped with the brick core in the shell, the brick core wholly be the frustum of a cone structure, its outer wall conical surface cooperatees with the inner wall conical surface of shell, shell diapire center be equipped with the air duct, brick core its outer wall conical surface lower part be equipped with both ends confined rectangular shape recess, the recess internal fixation have the safety mark, the safety mark be vertical columnar structure, the safety mark comprises a plurality of carborundum sticks and a plurality of steel sticks that organic film parcel is as an organic whole, carborundum stick quantity be a plurality of, a plurality of carborundum stick interval settings, all be equipped with a steel stick between two adjacent carborundum sticks. The utility model improves under the condition of not changing the original structure of the air brick, has the advantages of simple structure, easy processing, easy identification of the improved safety mark in use, reduced working difficulty of operators and long service life.
Description
Technical Field
The utility model relates to the technical field of dispersion air bricks, in particular to a novel safety mark-possessing dispersion air brick.
Background
The air brick is a key functional element in the external refining bottom argon blowing process widely used at present, and argon is blown into molten steel through the air brick to stir after the molten steel enters a ladle so as to accelerate the metallurgical process, uniform the temperature and chemical components of the molten steel, promote the removal of inclusions or control the morphology of the inclusions, thereby achieving the purpose of refining the molten steel. In practical application, in order to improve the use effect of the air brick and reduce the times of oxygen burning, the dispersive air brick is generated; along with the development of industrial technology, social demands put forward higher requirements on the quality and the quality of steel, so that the air brick is required to be long in service life and good in stability, and the service condition of the air brick is required to be particularly noted in the steelmaking process so as to avoid safety production accidents. The main basis for the field workers to judge the service condition of the air brick is a safety mark arranged in the brick core of the air brick, as shown in fig. 4: the existing safety mark is positioned at the position close to the big end inside the brick core, and the safety mark can be seen from the beginning of use of the safety air brick. The service life of the air brick is reached when the safety mark disappears, and the air brick needs to be replaced at the moment. The safety mark can play a role in safety warning, but because the safety mark is made of stainless steel, the safety mark is corroded or ablated firstly in the refining or oxygen burning cleaning process, so that a pit is formed in the center of the working surface of the brick core, the corrosion rate of the brick core is accelerated to a certain extent, the service life of the air brick is greatly influenced, in addition, the safety mark has poor visibility before being corroded gradually disappears, is not obvious, and is not known whether to need to be replaced or not, so that the working difficulty of operators is increased.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to design a novel dispersion air brick with a safety mark, and the safety mark has the advantages of good visibility and long service life.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a dispersion air brick with novel safety mark, includes shell, brick core, safety mark and air duct, the shell be the steel material awl tubular structure that has the diapire, be equipped with the brick core in the shell, the brick core wholly be the frustum of a cone structure, its outer wall conical surface cooperatees with the inner wall conical surface of shell, shell diapire center be equipped with the air duct, brick core its outer wall conical surface lower part be equipped with both ends confined rectangular shape recess, the recess internal fixation have the safety mark, the safety mark be vertical columnar structure, the safety mark comprises a plurality of carborundum sticks and a plurality of steel sticks that organic film parcel is as an organic whole, carborundum stick quantity be a plurality of, a plurality of carborundum stick interval settings, all be equipped with a steel stick between two adjacent carborundum sticks.
The cross section of the silicon carbide rod is the same as the cross section outline dimension of the steel rod.
The height of the silicon carbide rod is 20mm, and the height of the steel rod is 10mm.
The air duct is communicated with the inside of the shell.
The organic fishing line is wound on the outer surface of the organic film.
The safety mark and the brick core are integrally formed through casting.
The beneficial effects of the utility model are as follows: the improved safety mark has the advantages of simple structure, easy processing, easy identification in use, reduced working difficulty of operators and long service life.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model.
Fig. 2 is a schematic view of the structure of the steel bar after melting.
FIG. 3 is a schematic diagram of the security tag according to the present utility model.
Fig. 4 is a diagram illustrating a conventional security indication.
In the figure: 1. 2 parts of shell, 2 parts of brick core, 3 parts of safety mark, 301 parts of silicon carbide rod, 302 parts of steel rod, 303 parts of melting cavity, 304 parts of organic film, 305 parts of organic fish wire, 4 parts of air duct.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is to be noted that the embodiments described are merely some, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, a dispersion air brick with a novel safety mark comprises a shell 1, a brick core 2, the safety mark 3 and an air duct 4, wherein the shell 1 is of a steel cone-shaped structure with a bottom wall, the brick core 2 is arranged in the shell 1, the whole brick core 2 is of a cone-shaped structure, the outer wall conical surface of the brick core 2 is matched with the inner wall conical surface of the shell 1, the air duct 4 is arranged in the center of the bottom wall of the shell 1, a strip-shaped groove with two closed ends is arranged at the lower part of the outer wall conical surface of the brick core 2, the safety mark 3 is fixed in the groove, the safety mark 3 is of a vertical columnar structure, the safety mark 3 is composed of a plurality of silicon carbide rods 301 and a plurality of steel rods 302, the number of the silicon carbide rods 301 is a plurality of the silicon carbide rods 301 are arranged at intervals, and one steel rod 302 is arranged between two adjacent silicon carbide rods 301.
The cross section of the silicon carbide rod 301 is the same as the cross section outline dimension of the steel rod 302.
The height of the silicon carbide rod 301 is 20mm, and the height of the steel rod 302 is 10mm.
The air duct 4 is communicated with the inside of the shell 1.
The outer surface of the organic film 304 is wound with organic fishing lines 305.
The safety mark 3 and the brick core 2 are integrally formed by casting.
The processing process of the utility model is as follows: the first step is to mechanically press a silicon carbide rod 301 to form a steel rod 302, wherein 300F steel is selected and the silicon carbide rod and the steel rod are manufactured into a bar-shaped structure with the same thickness.
And in the second step, after the silicon carbide rods 301 and the steel rods 302 are arranged in a staggered manner, the surfaces of the silicon carbide rods and the steel rods are wrapped by using an organic film 304, and then the silicon carbide rods and the steel rods are bound into a whole by using an organic fish wire 305.
And thirdly, placing the manufactured safety mark 3 in a ventilation brick mould, setting the safety mark on the identification position of the ventilation brick, and controlling the position and the distance of the safety mark by adjusting the position of the organic fishing line 305.
And fourthly, placing the air brick die in a molding area for casting molding, and fixing the safety mark 3 and the brick core 2 into a whole through casting.
The utility model is in use: the silicon carbide rod 301 has stable chemical property, high strength, high hardness, high heat conductivity coefficient, small thermal expansion coefficient, good wear resistance, good chemical corrosion resistance and high temperature resistance, and the silicon carbide rod 301 emits flash light in the high-temperature state of molten steel and presents a bright spot on the air brick; the steel bar 302 encounters molten steel in a high temperature state, the structure of the steel bar 302 is damaged due to thermal stress, the steel bar 302 melts after creeping, and a melting cavity 303 is formed at the position of the safety mark 3 of the air brick; the air brick with the safety mark 3 is in the middle and later stages of molten steel refining, along with the reduction of the residual thickness of the air brick, the safety mark 3 can descend along with the residual thickness when being burnt and purged, and the mark body can send out a bright point-cavity-bright point-cavity form, so that workers are prompted to take appropriate measures in time, the waste of resources or the degradation treatment of the molten steel is avoided, and the situation of the safety distance of the air brick after the residual condition can be accurately monitored and judged.
Claims (6)
1. The utility model provides a dispersion air brick with novel safety mark, includes shell (1), brick core (2), safety mark (3) and air duct (4), characterized by: the shell (1) be the steel cone tubular structure that has the diapire, be equipped with brick core (2) in shell (1), brick core (2) wholly be the circular truncated cone structure, its outer wall conical surface cooperatees with the inner wall conical surface of shell (1), shell (1) diapire center be equipped with air duct (4), brick core (2) its outer wall conical surface lower part be equipped with both ends confined rectangular shape recess, the recess internal fixation have safety mark (3), safety mark (3) be vertical columnar structure, safety mark (3) are become by organic film (304) parcel a plurality of carborundum stick (301) and a plurality of steel stick (302) as an organic whole, carborundum stick (301) quantity be a plurality of, a plurality of carborundum sticks (301) interval sets up, all be equipped with a steel stick (302) between two adjacent carborundum sticks (301).
2. A dispersion air brick with a novel safety standard according to claim 1, characterized in that: the cross section of the silicon carbide rod (301) is the same as the cross section outline dimension of the steel rod (302).
3. A dispersion air brick with a novel safety standard according to claim 1, characterized in that: the height of the silicon carbide rod (301) is 20mm, and the height of the steel rod (302) is 10mm.
4. A dispersion air brick with a novel safety standard according to claim 1, characterized in that: the air duct (4) is communicated with the inside of the shell (1).
5. A dispersion air brick with a novel safety standard according to claim 1, characterized in that: the outer surface of the organic film (304) is wound with organic fish wires (305).
6. A dispersion air brick with a novel safety standard according to claim 1, characterized in that: the safety mark (3) and the brick core (2) are integrally formed by casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320107692.4U CN220132261U (en) | 2023-02-03 | 2023-02-03 | Dispersion air brick with novel safety mark |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320107692.4U CN220132261U (en) | 2023-02-03 | 2023-02-03 | Dispersion air brick with novel safety mark |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220132261U true CN220132261U (en) | 2023-12-05 |
Family
ID=88962682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320107692.4U Active CN220132261U (en) | 2023-02-03 | 2023-02-03 | Dispersion air brick with novel safety mark |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220132261U (en) |
-
2023
- 2023-02-03 CN CN202320107692.4U patent/CN220132261U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |