CN210215437U

CN210215437U - Split type air brick

Info

Publication number: CN210215437U
Application number: CN201920845971.4U
Authority: CN
Inventors: Xiaolong Shao; 邵小龙; Weijie Jiang; 蒋伟杰; Gang Wu; 武刚
Original assignee: Changzhou Suzhou Refractory And Metallurgical Refractories Co Ltd
Current assignee: Changzhou Suzhou Refractory And Metallurgical Refractories Co Ltd
Priority date: 2019-06-06
Filing date: 2019-06-06
Publication date: 2020-03-31
Anticipated expiration: 2029-06-06

Abstract

The utility model discloses a split type air brick, which comprises a brick cup, the bottom end of the brick cup is in threaded connection with a brick cup, the center of the outer side of the brick cup is provided with a sealing groove, a sealing sheet is clamped in the sealing groove, two ends of the sealing sheet are symmetrically provided with mounting holes, a metal air pipe vertically connected with the sealing sheet is fixedly arranged between the mounting holes, one end of the metal air pipe passes through the sealing sheet and is communicated with an air vent chamber, the top end of the air vent chamber is provided with an air vent brick core, the top of the air vent hole is fixedly provided with an air brick core, the split type air brick ensures that the connection between the brick cup and the brick cup is more tight by arranging a limit clamping groove in a round platform-shaped brick cup inner hole, the eccentric and differential phenomena can not occur, the first refractory clay layer is filled in the air brick core and the inner wall of the brick cup, the second refractory clay layer is filled between the outer, and the argon can be stably led into the molten steel by matching with the sealing washer and the sealing piece.

Description

Split type air brick

Technical Field

The utility model relates to an air brick, in particular to split type air brick belongs to metallurgical industry equipment technical field.

Background

In the ferrous metallurgy industry, the purpose of stirring molten steel is achieved by blowing argon into the molten steel, the temperature and the chemical composition of the molten steel can be homogenized, and the removal of inclusions or the control of the form of the inclusions are promoted, so that the method is a molten steel refining mode commonly adopted in the modern metallurgy industry. The ladle bottom-blown air brick is an important component of external refining of a steel-making furnace, and the air brick is taken as an important functional element in the refining process and is divided into an integral air brick and a split air brick according to the installation mode. Split type air brick can be for integral air brick, and the quick replacement air brick core under the hot attitude does not influence the normal turnover of ladle. For some steel ladles with long refining time, high temperature and vacuum refining, the service life of the brick core of the air brick is short due to harsh use conditions. Therefore, the split air brick has the advantages that the air brick core can be replaced in a hot state, the normal operation of an argon blowing system is not influenced, and the normal operation of production procedures is ensured.

The existing split type air brick has a single structure, the air brick is extremely easy to generate the defects of eccentricity, difference, gaps and the like in the installation process, the problem of metal liquid leakage of the air brick is easy to occur, and meanwhile, the service life of the air brick is reduced, so that certain economic loss is brought to enterprises. Therefore, we improve the above and propose a split type air brick.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a split type air brick to the tradition air brick structure that proposes in solving above-mentioned background art is more single, very easily produces defects such as off-centre, poor position, gap in the installation, the problem of air brick seepage molten metal appears easily.

In order to achieve the above object, the utility model provides a following technical scheme: a split type air brick comprises a brick cup, the bottom end of the brick cup is connected with a brick cover in a threaded manner, the center of the outer side of the brick cover is provided with a sealing groove, sealing pieces are clamped in the sealing grooves, mounting holes are symmetrically formed in two ends of each sealing piece, metal air pipes vertically connected with the sealing pieces are fixedly arranged between the mounting holes, one end of the metal air pipe penetrates through the sealing sheet and is communicated with the ventilation chamber, the top end of the ventilation chamber is provided with a vent hole, the top of the vent hole is fixedly connected with a gas permeable brick core, the periphery of the gas permeable brick core is clamped with a sleeve brick, a first refractory mortar layer is filled between the inner wall of the sleeve brick and the outer wall of the air brick core, a seat brick inner hole corresponding to the sleeve brick is arranged in the center of the seat brick, limiting clamping grooves are symmetrically formed in the same axial direction of the inner wall of the brick cup inner hole, and a second refractory mud layer is filled between the outer wall of the sleeve brick and the inner wall of the brick cup inner hole.

As an optimized technical proposal of the utility model, the inside ring of the brick cover port is provided with a sealing gasket connected with the bottom end of the brick cup.

As an optimized technical proposal of the utility model, the air blowing port corresponding to the air brick core is arranged at the center of the top end of the brick cup.

As an optimal technical scheme of the utility model, wear to be equipped with in the mounting hole with brick lid threaded connection's metal bolt.

As a preferred technical scheme of the utility model, the set brick outside symmetry is fixed with the spacing card strip that corresponds with spacing draw-in groove, and spacing card strip and set brick be integrated into one piece structure.

As an optimized technical scheme of the utility model, brick cup hole and cover brick are the round platform form.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a split type air brick has and can not produce defects such as off-centre, poor position, gap in the installation, has avoided the advantage of air brick seepage molten metal, in concrete use, compares with traditional air brick, the utility model discloses a set brick hole department symmetry at round platform form sets up spacing draw-in groove for be connected between brick cup and the brick cup more tightly, the phenomenon of off-centre and poor position can not appear, and the first fire clay layer is filled with the brick cup core and the brick cup inner wall, fills the second fire clay layer between brick cup outer wall and the brick cup hole, can not produce the gap when making the air brick installation, cooperation seal ring and gasket for during argon gas can be stable accesss to the molten steel, excellent in use effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the breather chamber and the metal gas pipe of the present invention;

FIG. 3 is a schematic view of the brick cup structure of the present invention;

in the figure: 1. an air blowing port; 2. brick setting; 3. inner holes of the brick cup; 4. sleeving bricks; 5. a first refractory mortar layer; 6. a metal bolt; 7. a metal gas pipe; 8. sealing the sheet; 9. a sealing groove; 10. a breather chamber; 11. a second refractory mortar layer; 12. a gas permeable brick core; 13. a vent hole; 14. a limiting clamping groove; 15. mounting holes; 16. a brick cover; 17. a gasket is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-3, the utility model provides a split type air brick, which comprises a brick cup 2, the bottom end of the brick cup 2 is connected with a brick cup 16 by screw thread, the center of the outer side of the brick cup 16 is provided with a sealing groove 9, the sealing groove 9 is internally provided with a sealing sheet 8 in a clamping way, two ends of the sealing sheet 8 are symmetrically provided with mounting holes 15, a metal air pipe 7 vertically connected with the sealing sheet 8 is fixedly arranged between the mounting holes 15, one end of the metal air pipe 7 passes through the sealing sheet 8 and is communicated with an air vent chamber 10, the top end of the air vent chamber 10 is provided with an air brick core 13, the top of the air vent 13 is fixedly connected with an air brick core 12, the periphery of the air brick core 12 is clamped with a brick sleeve 4, a first refractory clay layer 5 is filled between the inner wall of the brick sleeve 4 and the outer wall of the air brick core 12, the center of the brick cup 2 is provided with a brick inner, and a second refractory mortar layer 11 is filled between the outer wall of the sleeve brick 4 and the inner wall of the brick cup inner hole 3.

Preferably, a sealing gasket 17 connected with the bottom end of the brick cup 2 is annularly arranged on the inner side of the end opening of the brick cover 16, so that air leakage at the connecting end opening of the brick cover 16 and the brick cup 2 is prevented.

Preferably, the center of the top end of the brick cup 2 is provided with an air blowing port 1 corresponding to the air brick core 12, so that argon can be conveniently and uniformly diffused into molten steel.

Preferably, the metal bolt 6 which is in threaded connection with the brick cover 16 penetrates through the mounting hole 15, so that the sealing piece 8 is convenient to fix, and the air brick is safer to use.

Preferably, the outer side of the sleeve brick 4 is symmetrically fixed with a limiting clamping strip corresponding to the limiting clamping groove 14, and the limiting clamping strip and the sleeve brick 4 are of an integrally formed structure, so that the sleeve brick 4 and the seat brick 2 are stably connected.

Preferably, the brick cup inner hole (3) and the sleeve brick (4) are both in a circular truncated cone shape, so that the defects of eccentricity, difference, gaps and the like cannot be generated during the installation of the air brick, and the condition that metal liquid leaks from the air brick is avoided.

When specifically using, the utility model relates to a split type air brick, it can not produce off-centre to have in the installation, poor position, defects such as gap, the advantage of air brick seepage molten metal has been avoided, set up spacing draw-in groove 14 through 3 symmetries in the brick cup hole of round platform form, spacing card strip corresponds to make behind the spacing draw-in groove 14 to be connected between brick cup 4 and the brick cup 2 more fastening, eccentric and poor position's phenomenon can not appear, air brick core 12 fills first fire clay layer 5 with 4 inner walls of brick cup, it fills second fire clay layer 11 to overlap between 4 outer walls of brick and the brick cup hole 3, can not produce the gap when making the air brick installation, 16 screw of brick lid are in brick cup 2 bottoms, cooperation seal ring 17 and gasket 8, make argon gas can be stable access to in the molten steel, excellent in use effect, be worth extensively promoting.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The split type air brick comprises a brick cup (2) and is characterized in that a brick cup cover (16) is connected to the bottom end of the brick cup (2) in a threaded mode, a sealing groove (9) is formed in the center of the outer side of the brick cup (16), a sealing sheet (8) is connected in the sealing groove (9) in a clamping mode, mounting holes (15) are symmetrically formed in two ends of the sealing sheet (8), a metal air pipe (7) vertically connected with the sealing sheet (8) is fixedly arranged between the mounting holes (15), one end of the metal air pipe (7) penetrates through the sealing sheet (8) and is communicated with an air vent chamber (10), an air vent (13) is formed in the top end of the air vent chamber (10), an air brick core (12) is fixedly connected to the top of the air vent (13), a sleeve brick (4) is connected to the periphery of the air brick core (12) in a clamping mode, and a first refractory mud layer (, the brick cup is characterized in that a brick cup inner hole (3) corresponding to the sleeve brick (4) is formed in the center of the brick cup (2), limiting clamping grooves (14) are symmetrically formed in the same axial direction of the inner wall of the brick cup inner hole (3), and a second refractory mud layer (11) is filled between the outer wall of the sleeve brick (4) and the inner wall of the brick cup inner hole (3).

2. The split-type air brick according to claim 1, wherein: and a sealing gasket (17) connected with the bottom end of the brick cup (2) is annularly arranged on the inner side of the port of the brick cover (16).

3. The split-type air brick according to claim 1, wherein: the center of the top end of the brick cup (2) is provided with an air blowing opening (1) corresponding to the air brick core (12).

4. The split-type air brick according to claim 1, wherein: and a metal bolt (6) in threaded connection with the brick cover (16) penetrates through the mounting hole (15).

5. The split-type air brick according to claim 1, wherein: the limiting clamping strips corresponding to the limiting clamping grooves (14) are symmetrically fixed on the outer side of the sleeve brick (4), and the limiting clamping strips and the sleeve brick (4) are of an integrally formed structure.

6. The split-type air brick according to claim 1, wherein: the socket brick inner hole (3) and the sleeve brick (4) are both in a circular truncated cone shape.