CN202532888U - Tapping hole brick - Google Patents
Tapping hole brick Download PDFInfo
- Publication number
- CN202532888U CN202532888U CN2012201364548U CN201220136454U CN202532888U CN 202532888 U CN202532888 U CN 202532888U CN 2012201364548 U CN2012201364548 U CN 2012201364548U CN 201220136454 U CN201220136454 U CN 201220136454U CN 202532888 U CN202532888 U CN 202532888U
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- brick
- hole
- shaped
- truncated cone
- tapping hole
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Abstract
The utility model discloses a tapping hole brick, belongs to the technical field of refractory materials for steelmaking furnaces, and particularly relates to improvement in a tapping hole brick structure of a steelmaking furnace. The tapping hole brick is simple in structure, safe and reliable, and a tubing brick is easily replaced. The tapping hole brick comprises a brick cup matched with a furnace shell and a furnace lining of the steelmaking furnace. Structural key points are that a truncated cone-shaped through hole is formed in the brick cup, a large circle of the truncated cone-shaped through hole faces the outside, and a small circle of the truncated cone-shaped through hole faces the inside; the tubing brick is arranged in the truncated cone-shaped through hole, and is matched with the truncated cone-shaped through hole, and the outer surface of the tubing brick is truncated cone-shaped; and a tapping hole is formed in the tubing brick.
Description
Technical field
The utility model belongs to converter and uses technical field of refractory materials, and in particular, the utility model relates to a kind of improvement of converter tapping hole brick structure.
Background technology
Tapping hole brick is the important refractory component of converter device, it bearing high-temperature molten steel by in the stove outside stove the conveying task of utensil.Whether the quality of tapping hole brick quality and structural design rationally directly affect aspects such as steel-making cycle, safety in production.Tapping hole brick generally is made up of tapping hole brick cup and tapping hole pipe brick.Since tapping hole pipe brick endoporus tapping the time receiving high-temperature molten steel melting loss, wash away, corrode, lack more than the converter bulk life time service life, tapping hole pipe brick belongs to easily worn part, in whole stove labour process, need repeatedly change it.
At present, the tapping hole brick characteristic that most of steel mills are built by laying bricks or stones is, the tapping hole brick cup can be square also can be drum shape, its inside has columniform cavity, tapping hole pipe brick is that outline is cylindrical, inside has cylindrical cavity or truncated cone-shaped cavity.Tapping hole pipe brick is installed in the cavity of brick cup, guarantees that pipe brick center line overlaps with the brick cup lumen centerline.Because just there is the gap in pipe brick external diameter between tapping hole brick cup and the tapping hole pipe brick like this less than brick cup cavity internal diameter, this gap adopts the tapping hole material to fill; Grow owing to this slit is narrow; The compaction rate of filling the bed of material when building by laying bricks or stones is difficult to assurance, thereby causes molten steel to pierce wherein, so that influences drilling machine boring when changing; Security incident will take place in serious, with cause casualties and stove under the rail consequence of burning.Moreover; At present mostly producer all adopts the mode of drilling machine to destroy original tapping hole pipe brick to come the pipe brick that more renews; The shortcoming of this mode is exactly: the operator is careless slightly, and drill bit just damages the tapping hole brick cup, and then the normal operation of influence steel-making utensil.
Summary of the invention
The utility model is exactly to the problems referred to above, provides a kind of simple in structure, and more the replace tubes brick is easy, and safe and reliable tapping hole brick.
For realizing the above-mentioned purpose of the utility model; The utility model adopts following technical scheme, and the utility model comprises the brick cup that matches with converter furnace shell and furnace lining, is provided with the truncated cone-shaped through hole in the described brick cup of its structural feature; The great circle of described truncated cone-shaped through hole outwardly, roundlet is inwardly; Being provided with outer surface with matching in the truncated cone-shaped through hole is the pipe brick of truncated cone-shaped; Be provided with the tapping through hole in the described pipe brick.
As a kind of preferred version of the utility model, the tapping through hole of said pipe brick is set to roundlet outwardly, great circle truncated cone-shaped inwardly.
The beneficial effect of the utility model: (1) the utility model is easy for installation.When building by laying bricks or stones, brick cup is installed earlier, treat that whole body of heater is built by laying bricks or stones and toasted end after, with specific purpose tool tapping hole pipe brick is inserted the truncated cone-shaped through hole in the brick cup, need not look for the center line of truncated cone-shaped through hole, directly insertion gets final product; The utility model is easy for installation thus.
(2) replacing is simple.Owing to adopt truncated cone-shaped to combine between tapping hole pipe brick and brick cup, only need apply outside extruding force to old pipe brick and just can easily extrude, and the tapping hole brick cup is not had any impact; During the pipe brick that more renews, only need manage brick and be inserted in the brick cup through hole, till can not in stove, moving again with specific device.
(3) the tapping security improves.Owing to cancelled tapping hole brick cup and the packing layer of pipe between the brick, therefore, stopped brick cup and managed between the slit of brick the drill steel phenomenon to occur; Make the tapping steel safety and stability, therefore the tapping hole life-span also improves.
(4) reduced working strength of workers.Owing to when changing tapping hole pipe brick, cancelled packing layer and drilling machine drilling operation between pipe brick and the brick cup, when reducing working strength of workers, also shortened the more time of replace tubes brick.
(5) because the tapping through hole of the pipe brick of the utility model is set to roundlet outwardly, great circle truncated cone-shaped inwardly.Can the molten steel a fluid stream be regardless of diffusing, as to improve molten steel recovery rate.
Description of drawings
Fig. 1 is the installment state structural representation that the utility model is used in converter.
Fig. 2 is the structural representation of brick cup.
Fig. 3 is the structural representation of pipe brick.
In the accompanying drawing 1 be furnace shell, 2 for furnace lining, 3 for brick cup, 4 for the pipe brick, 5 for baffle plate, 6 for the tapping hole flange, 7 for the tapping hole filler, 8 for the truncated cone-shaped through hole, 9 for tapping through hole, 10 for connecting pin.
The specific embodiment
The utility model comprises the brick cup 3 that matches with converter furnace shell 1 and furnace lining 2, is provided with truncated cone-shaped through hole 8 in the described brick cup 3, the great circle of described truncated cone-shaped through hole 8 outwardly, roundlet is inwardly; Being provided with outer surface with matching in the truncated cone-shaped through hole 8 is the pipe brick 4 of truncated cone-shaped; Be provided with tapping through hole 9 in the described pipe brick 4.
As a kind of preferred version of the utility model, the tapping through hole 9 of said pipe brick 4 is set to roundlet outwardly, great circle truncated cone-shaped inwardly.Can the molten steel a fluid stream be regardless of diffusing, as to improve molten steel recovery rate.
The outline in described brick cup 3 cross sections can be circle, also can be square.
Installation process below in conjunction with description of drawings the utility model: tapping hole flange 6 is welded on the furnace shell 1, has the fixedly effect of tapping hole brick cup 3.Tapping hole brick cup 3 is near the stove outer end, and the slit of 1 of furnace shell fills with tapping hole filler 7, and is inner near stove, cooperates with the brick of furnace lining 2 and builds by laying bricks or stones.
After the brick of treating whole furnace lining 2 has all been built by laying bricks or stones and baker finishes, with specific purpose tool tapping hole pipe brick 4 is lifted, and vertically be inserted in the truncated cone-shaped through hole 8 of brick cup 3, the male cone (strobilus masculinus) of pipe brick 4 and the truncated cone-shaped through hole 8 of brick cup 3 are close-fitting, do not have the bed of material therebetween.After pipe brick 4 is in place, baffle plate 5 is compressed pipe brick 4, and baffle plate 5 and tapping hole flange 6 are linked together, play the fixedly effect of tapping hole pipe brick 4 with connecting pin 10.
When changing tapping hole, converter is shaken to position, 0 o angle, connecting pin 10 is extracted; And baffle plate 5 withdrawn from; Converter is shaken to tapping hole center line in the vertical direction, adopt specific purpose tool that tapping hole pipe brick 4 is applied a downward active force this moment, and it is pushed again.
Again with converter shake to the tapping hole center line in the horizontal direction; With specific purpose tool new tapping hole pipe brick 4 is inserted in the truncated cone-shaped through hole 8 of brick cup 3; Baffle plate 5 is compressed pipe brick 4; And with connecting pin 10 baffle plate 5 and tapping hole flange 6 are linked together, so just accomplished replacing to tapping hole pipe brick 4.
The utility model also can be used for the eccentric bottom tapping place of electric furnace.
Claims (2)
1. a tapping hole brick comprises the brick cup (3) that matches with converter furnace shell (1) and furnace lining (2), it is characterized in that: be provided with truncated cone-shaped through hole (8) in the described brick cup (3), the great circle of described truncated cone-shaped through hole (8) outwardly, roundlet is inwardly; Being provided with outer surface with matching in the truncated cone-shaped through hole (8) is the pipe brick (4) of truncated cone-shaped; Be provided with tapping through hole (9) in the described pipe brick (4).
2. a kind of tapping hole brick according to claim 1 is characterized in that: the tapping through hole (9) of said pipe brick (4) is set to roundlet outwardly, great circle truncated cone-shaped inwardly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201364548U CN202532888U (en) | 2012-03-31 | 2012-03-31 | Tapping hole brick |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201364548U CN202532888U (en) | 2012-03-31 | 2012-03-31 | Tapping hole brick |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202532888U true CN202532888U (en) | 2012-11-14 |
Family
ID=47134067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201364548U Expired - Fee Related CN202532888U (en) | 2012-03-31 | 2012-03-31 | Tapping hole brick |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202532888U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885913A (en) * | 2019-10-24 | 2020-03-17 | 包头钢铁（集团）有限责任公司 | Method for controlling length of tubular brick at steel tapping hole and improving steel tapping rate |
-
2012
- 2012-03-31 CN CN2012201364548U patent/CN202532888U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110885913A (en) * | 2019-10-24 | 2020-03-17 | 包头钢铁（集团）有限责任公司 | Method for controlling length of tubular brick at steel tapping hole and improving steel tapping rate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 Termination date: 20140331 |