CN204075186U - A kind of split type air brick core - Google Patents
A kind of split type air brick core Download PDFInfo
- Publication number
- CN204075186U CN204075186U CN201420533635.3U CN201420533635U CN204075186U CN 204075186 U CN204075186 U CN 204075186U CN 201420533635 U CN201420533635 U CN 201420533635U CN 204075186 U CN204075186 U CN 204075186U
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- China
- Prior art keywords
- air brick
- cover board
- metal
- brick core
- metal cover
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- Expired - Fee Related
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Abstract
A kind of split type air brick core, the steel bushing comprising bottom opening and the metal cover board be fixedly installed on bottom steel bushing, air brick core body is arranged in the cavity that steel bushing and metal cover board form, and and seal with fire clay between steel bushing, between air brick core body and metal cover board, air chamber is set, the metal tracheae of metal cover board side welding is communicated with air chamber through metal cover board, multiple metalwork is welded on the opposite side of metal cover board, and be upward through the inside that air chamber inserts air brick core body, air brick core body and metal cover board are connected as one, sheathed metal nuts on described metal tracheae, and weld with the inner edge of metal nuts, one end of metal nuts is welded on metal cover board.The utility model, by the improvement to air brick core body and metal cover board structure, strengthens the bonding strength between air brick core body and metal cover board and between metal cover board and metal tracheae, thus facilitates the dismounting of air brick.
Description
Technical field
The utility model relates to a kind of iron and steel metallurgical industry ladle bottom blowing air brick, especially relates to a kind of split type air brick core.
Background technology
In iron and steel metallurgical industry, by being blown into argon gas in molten steel, reaching and stirring the object of molten steel, can the evenly temperature of molten steel and chemical composition, promoting inclusion removal or control inclusion morphology, is the liquid steel refining mode that modern metallurgy industry generally adopts.
Air brick is the important functional element of ladle bottom blowing gas, and its service condition directly can affect the quality of steel.Air brick is roughly divided into two kinds of structures, and one is that air brick core and brick cup are prefabricated into an entirety, is integral air brick; Another kind is that air brick core and brick cup are separate, is combined in brick cup during use by air brick core, is split type air brick.Air brick core comprises steel bushing around air brick core body that refractory material makes, air brick core body, fill the parts such as the metal cover board that the fire clay in gap between air brick core body and steel bushing and steel bushing weld together and the metal tracheae be connected with metal cover board, between metal cover board and air brick core body, be provided with air chamber.During air brick work, gas enters air brick core from metal tracheae, is being blown in molten steel through air brick core.
Split air brick can carry out hot replacing, and use flexible, use cost is relatively low, can not be forced to roll off the production line because of air brick reason, can realize the maximization of ladle life, thus be widely used by iron and steel enterprise in use procedure.But its shortcoming easily smears uneven or quality problems because of air brick surface fire clay to make bleed-out probability increase; When the residual height of air brick is lower, after residual brick need being pulled down, then install new air brick, labor strength is larger; Require higher to workman's technical merit, when installing air brick, require that air brick core must be vertical with Ladle Bottom, air brick core center line must overlap with bellmouth center line in brick cup, to ensure being uniformly distributed of air brick wicking surface refractory wass.
During the air brick more renewed, usually following three kinds of sides can be adopted except remaining air brick core: (1) uses bale breaker, by air brick from immediate roof inside ladle out, this method is the method that current domestic contrast is conventional, and be characterized in convenient and swift, labor strength is low, shortcoming is that steel mill must have bale breaker, costly, and space hold position is large, and a lot of steel mill does not satisfy the requirements; (2) use beche or long rod to be up in bag by air brick, this substitute mode equipment investment is few, but operating process is complicated, and labor strength is large, and efficiency is low; (3) mechanical pullers is used, pulled out in ladle by air brick core, this method equipment is little and simple, and expense is low, the position that takes up room is little, thus remaining brick core used by some steel mills, but being pulled out of air brick core 100% can not be ensured, once can not pull out smoothly, manpower is then needed to dismantle brick core, meeting elapsed time is long, and labour intensity, loses the advantage of split air brick.
Utility model content
The purpose of this utility model is to provide a kind of split type air brick core, by the improvement to air brick core body construction and metal cover board structure, strengthen the connection between air brick core body and metal cover board and between metal cover board and metal tracheae, thus facilitate the dismounting of air brick.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of split type air brick core, its air brick core body is arranged in the cavity that is made up of steel bushing and metal cover board, seal with fire clay between air brick core body and steel bushing, metal cover board is fixedly installed on the bottom of steel bushing, and and between air brick core body, air chamber is set, metal tracheae is fixedly installed on the side of metal cover board, and be communicated with air chamber through metal cover board, metal cover board opposite side is welded with multiple metalwork, the bottom of described air brick core body arranges the connecting hole matched with described metalwork, metalwork is upward through air chamber and is plugged in connecting hole, air brick core body and metal cover board are connected as one, a sheathed metal nuts on described metal tracheae, and weld with the inner edge of metal nuts, one end of metal nuts is welded on metal cover board.
Described metalwork surface smear has fire clay.
Preferably, described metalwork is column, is set to 3 ~ 6, and it is highly 10 ~ 50mm.
Preferably, the height of described metal nuts is 10 ~ 30mm.
Compared with prior art, the utility model has following beneficial effect:
First, the metal nuts of the utility model by rotating metallic cover plate is fixedly installed, air brick core is made to occur to loosen in brick cup, thus be convenient to the dismounting of air brick, and set metal nuts strengthens the connection between metal tracheae and metal cover board, avoid causing between metal tracheae and metal cover board when rotating metallic nut rupturing, the metalwork simultaneously metal cover board arranged inserts air brick core body interior, air brick core body and metal cover board are held together, thus ensure that when rotating metal nuts, the steel bushing of air brick core body and outside is together with metal cover board synchronous axial system, avoid the disengaging of metal cover board and steel bushing and air brick core body,
The second, the metalwork in the utility model is non-rectilinear setting on metal cover board, and arranges around the center of metal cover board, can strengthen the firmness combined between air brick core body and metalwork further.
Therefore, the utility model is very easy to the dismounting of air brick, has both reduced the labour intensity of workman, again without the need to the input of professional equipment, reduces the production cost of enterprise.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Mark in figure: 1, air brick core body, 2, steel bushing, 3, air chamber, 4, alarming sign, 5, fire clay, 6, metalwork, 7, metal cover board, 8, metal nuts, 9, metal tracheae.
Detailed description of the invention
Below in conjunction with accompanying drawing, by detailed description of the invention, the utility model is further described.
As shown in the figure, a kind of split type air brick core, comprise air brick core body 1, be welded on the steel bushing 2 around air brick core body 1, metal cover board 7 bottom air brick core body 1, multiple metalwork 6 be welded on metal cover board 7, the metal tracheae 9 welded with metal cover board 7, wherein, seal with fire clay 5 between described steel bushing 2 and air brick core body 1, the bottom sides of steel bushing 2 is along being welded together by argon arc welding with metal base plate 7 edge, and air chamber 3 is set bottom metal cover board 7 with air brick core body 1, described metal tracheae 9 is communicated with air chamber 3 through metal cover board 7, bottom air brick core body 1, multiple connecting hole is set, described metalwork 6 surface smear fire clay 5 is also upward through air chamber 3 and inserts in corresponding connecting hole, air brick core body 1 and metal cover board 7 are connected as a single entity, a sheathed metal nuts 8 on metal tracheae 9, and weld with the inner edge of metal nuts 8, one end of metal nuts 8 is welded on metal cover board 7.
Described metalwork 6 is set to 5 stainless steel columns, and that to be arranged on metal cover board 7 center be the center of circle is circumferentially same, and it is highly 50mm, and the height of described metal nuts 8 is 30mm.
Described air brick core is also provided with alarming sign 4.
When air brick core needs to change, after needing the residual steel of air brick core working face, residue to clean out, clamp metal nuts 8 with instrument pincers to be rotated, air brick core is made to occur to loosen in brick cup, step up metal tracheae 9 drawing outward at use instrument, the object of removing air brick core can be reached.
In the process of removing air brick core, due to the effect on metalwork 6 and air brick core body 1 between connecting hole, air brick core body 1, steel bushing 2, metal cover board 7 are connected, thus avoid air brick core body 1 in the process of rotating metallic nut 8 and depart from metal cover board 7 because of twisting force, cause dismounting not thorough, simultaneously, the metal nuts 8 of welding with metal base plate 7 strengthens the connection between metal tracheae 9 and metal cover board 7, ensure that and can not disconnect between metal tracheae 9 and metal cover board 7.
Claims (4)
1. a split type air brick core, its air brick core body (1) is arranged on by the cavity that steel bushing (2) and metal cover board (7) are formed, seal with fire clay (5) between air brick core body (1) and steel bushing (2), metal cover board (7) is fixedly installed on the bottom of steel bushing (2), and and between air brick core body (1), air chamber (3) is set, metal tracheae (9) is fixedly installed on the side of metal cover board (7), and be communicated with air chamber (3) through metal cover board (7), metal cover board (7) opposite side is welded with multiple metalwork (6), it is characterized in that: the bottom of described air brick core body (1) arranges the connecting hole (61) matched with described metalwork (6), metalwork (6) is upward through air chamber (3) and is plugged in connecting hole (61), air brick core body (1) and metal cover board (7) are connected as one, the upper sheathed metal nuts (8) of described metal tracheae (9), and weld with the inner edge of metal nuts (8), one end of metal nuts (8) is welded on metal cover board (7).
2. the split type air brick core of one according to claim 1, is characterized in that: described metalwork (6) surface smear has fire clay (5).
3. the split type air brick core of one according to claim 1, is characterized in that: described metalwork (6), in column, is set to 3 ~ 6, and it is highly 10 ~ 50mm.
4. the split type air brick core of one according to claim 1, is characterized in that: the height of described metal nuts (8) is 10 ~ 30mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533635.3U CN204075186U (en) | 2014-09-17 | 2014-09-17 | A kind of split type air brick core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420533635.3U CN204075186U (en) | 2014-09-17 | 2014-09-17 | A kind of split type air brick core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204075186U true CN204075186U (en) | 2015-01-07 |
Family
ID=52167951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420533635.3U Expired - Fee Related CN204075186U (en) | 2014-09-17 | 2014-09-17 | A kind of split type air brick core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204075186U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819645A (en) * | 2015-04-21 | 2015-08-05 | 梧州市海邦科技有限公司 | Split-type ventilating brick and installation method thereof |
| CN106893803A (en) * | 2017-04-05 | 2017-06-27 | 海城市方宏耐火材料有限公司 | A kind of air brick and preparation method with two-way inclination angle slit and safety early warning device |
| CN114908211A (en) * | 2022-05-20 | 2022-08-16 | 山东钢铁股份有限公司 | Electric furnace bottom blowing air brick and use method thereof |
-
2014
- 2014-09-17 CN CN201420533635.3U patent/CN204075186U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819645A (en) * | 2015-04-21 | 2015-08-05 | 梧州市海邦科技有限公司 | Split-type ventilating brick and installation method thereof |
| CN104819645B (en) * | 2015-04-21 | 2016-08-24 | 陕西阳光雨生态科技有限公司 | A kind of split type air brick and installation method thereof |
| CN106893803A (en) * | 2017-04-05 | 2017-06-27 | 海城市方宏耐火材料有限公司 | A kind of air brick and preparation method with two-way inclination angle slit and safety early warning device |
| CN106893803B (en) * | 2017-04-05 | 2018-09-14 | 海城市方宏耐火材料有限公司 | A kind of air brick and preparation method of band two-way inclination angle slit and safety early warning device |
| CN114908211A (en) * | 2022-05-20 | 2022-08-16 | 山东钢铁股份有限公司 | Electric furnace bottom blowing air brick and use method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20180917 |