Split type air brick

Abstract

The utility model belongs to the technical field of refractory materials, and particularly discloses a split type air brick which is characterized in that a screw sleeve is arranged at the bottom of a brick core cover plate, a structural part is arranged in a cushion brick, the top end of the structural part penetrates through an avoiding hole to be in threaded connection with the screw sleeve, and the tail end of the structural part is in threaded connection with an argon pipeline. A plurality of anchoring claws B are arranged on the outer circle face of the structural part at intervals in the circumferential direction and used for being fixed to a brick lining refractory material body, and during blowing, argon in an argon pipeline can be blown into the bottom of a brick core through a through hole in the structural part. The gap between the cushion brick and the tail part of the brick core can be effectively avoided, the cushion brick can be mounted without the aid of a mounting tool or smearing fire clay, and only a structural part needs to be tightened, so that the damage to the cushion brick caused by manual beating is avoided, the risk that the brick core sinks when the split air brick is used is greatly reduced, the use safety of the split air brick is improved, the operation is simple, and the practicability is high. Time and labor are saved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to refractory material technical field, specifically discloses a split type air brick. BACKGROUND

[0002] The steel ladle bottom blowing air brick is an important component of the steelmaking furnace outside refining, and the air brick is an important functional element in the refining process, which is divided into the integral type air brick and the split type air brick according to the installation mode. The split type air brick includes the brick core, the seat brick and the cushion brick, the brick core, the seat brick and the cushion brick are installed separately, the brick core can be quickly replaced under the hot state without affecting the normal turnover of the steel ladle, and the integral type air brick cannot be replaced under the hot state because the brick core and the seat brick are prefabricated as a whole. Figure 1 As shown in the figure, the traditional brick core 1 usually includes the refractory body, the steel sleeve, the cover plate, the throat pipe 9 and the tail pipe 12; the seat brick is usually poured by the refractory material, and the traditional cushion brick 3 usually includes the refractory body, the cushion brick nut 11 embedded in the cushion brick refractory body and the anchoring claw A10.

[0003] The split type air brick needs to be installed in place to be normally used, the brick core 1 is installed first, then the cushion brick 3 is installed, and finally the locking mechanism is installed, the locking mechanism is usually arranged at the bottom of the steel ladle bottom 4, the locking mechanism needs to press the cushion brick 3 at the tail of the brick core 1, the cushion brick 3 needs to be uniformly smeared with a layer of fire mud on the small head end face and the circumferential side face in the installation process, then the cushion brick installation tool is tightened in the cushion brick nut 11 hole at the bottom of the cushion brick 3, then the cushion brick 3 is installed in the seat brick 2 hole by artificial knocking, and the cushion brick 3 is tightly arranged at the tail of the brick core 1, at this time, because the fire mud is smeared by artificial operation, the depth of the cushion brick 3 installed into the seat brick 2 hole is inevitably different, and then the gap exists between the end face of the cushion brick 3 and the cover plate at the tail of the brick core 1 or the fire mud is not full, which can cause the sinking risk of the brick core in use, and there is great safety hazard for the use of the split type air brick. SUMMARY

[0004] In order to solve the problems in the background art, the utility model discloses a split type air brick, the tail of the cushion brick is seamlessly attached to the tail of the brick core, the gap between the tail of the cushion brick and the tail of the brick core can be effectively avoided, the damage of the cushion brick caused by artificial knocking is avoided at the same time, the sinking risk of the brick core in use of the split type air brick is greatly reduced, and the safety of the split type air brick in use is improved.

[0005] In order to achieve the above-mentioned purposes, the utility model adopts the following technical scheme:

[0006] The utility model provides a split type gas -permeable brick, including brick core, seat brick and cushion brick, is provided with silk cover in the bottom of the brick core cover plate, is provided with the avoiding hole for avoiding the silk cover in the upper end of the cushion brick, is provided with structural member in the cushion brick, the structural member is the tubular structure, is equipped with the through -hole along its axial extension in the middle part of structural member, the top end of structural member passes through the avoiding hole and is connected with the silk cover screw thread, the end of structural member is connected with argon pipeline screw thread, a plurality of anchor claws B are arranged on the outer circular surface of structural member along the circumference interval, when blowing, argon in argon pipeline can blow into argon to the bottom of the brick core through the through -hole in structural member.

[0007] Further, the split type gas -permeable brick, the top height of structural member is lower than the height of the top of cushion brick.

[0008] Further, the split type gas -permeable brick, the brick core, silk cover, cushion brick and structural member are coaxial.

[0009] Further, the split type gas -permeable brick, the outer circular surface of structural member is provided with the connecting section of hexagonal or square structure in the position adjacent to the end.

[0010] Further, the split type gas -permeable brick, the material of structural member is steel.

[0011] Further, the split type gas -permeable brick, structural member and cushion brick refractory material body are integral.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The utility model discloses a split type gas -permeable brick, is provided with silk cover in the bottom of the brick core cover plate, is provided with the avoiding hole for avoiding the silk cover in the upper end of the cushion brick, is provided with structural member in the cushion brick, is equipped with the through -hole along its axial extension in the middle part of structural member, the top end of structural member passes through the avoiding hole and is connected with the silk cover screw thread, the end of structural member is connected with argon pipeline screw thread, a plurality of anchor claws B are arranged on the outer circular surface of structural member along the circumference interval for and the fixed of cushion brick refractory material body, when blowing, argon in argon pipeline can blow into argon to the bottom of the brick core through the through -hole in structural member, removes the throat pipe and tail pipe of traditional brick core tail part, saves certain steel cost for refractory manufacturer, simultaneously sets up silk cover with the utility model cushion brick cooperation use in the bottom of cover plate, and the top of cushion brick and brick core tail part realize seamless adhesion, can effectively avoid the gap between cushion brick and brick core tail part, need not the help of installation tool when installing cushion brick, also need not daub fire clay, just can be screwed tightly structural member, avoid the damage caused to cushion brick by artificial knocking, thereby greatly reduce the risk of brick core subsidence when using split type gas -permeable brick, improve the security of split type gas -permeable brick use, and simple operation, save time and effort. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1is a schematic view of a traditional cushion brick and split brick core installation structure in the background art;

[0015] Figure 2 is a schematic view of an installation structure of the split type venting brick of the present application;

[0016] Figure 3 is a schematic view of a three-dimensional structure of an internal structural member of the cushion brick in the present application;

[0017] In the above figures: 1 - brick core; 2 - seat brick; 3 - cushion brick; 4 - ladle bottom; 5 - adapter plate; 6 - mechanism pressing plate; 7 - locking nut; 8 - T-shaped bolt; 9 - throat pipe; 10 - anchoring claw A; 11 - cushion brick nut; 12 - tail pipe; 13 - wire sleeve; 14 - structural member; 14.1 - front end wire head; 14.2 - anchoring claw B; 14.3 - connecting section; 14.4 - rear end wire head. DETAILED DESCRIPTION

[0018] In order to better understand the present application, the content of the present application will be further illustrated below in conjunction with examples, but the content of the present application is not limited to the following examples only.

[0019] The present application is described in detail below in conjunction with the accompanying Figures 1-3 , a split type venting brick, comprising a brick core 1, a seat brick 2 and a cushion brick 3, a wire sleeve 13 is arranged at the bottom of the cover plate of the brick core 1, an avoiding hole for avoiding the wire sleeve 13 is arranged at the upper end of the cushion brick 3, a structural member 14 is arranged in the cushion brick 3, the structural member 14 is a tubular structure, a through hole extending along the axial direction thereof is arranged at the middle part of the structural member 14, the top end of the structural member 14 is threadedly connected with the wire sleeve 13 through the front end wire head 14.1 and the avoiding hole, the end of the structural member 14 is threadedly connected with the argon pipeline through the rear end wire head 14.4, a plurality of anchoring claws B 14.2 are arranged on the outer circumferential surface of the structural member 14 at intervals in the circumferential direction, the anchoring claws B 14.2 are arranged to fix the structural member 14 and the cushion brick body, when blowing, the argon in the argon pipeline can be blown into the bottom of the brick core 1 through the through hole in the structural member 14, the split type venting brick disclosed in the present application removes the throat pipe and the tail pipe at the tail part of the traditional brick core, at the same time, the wire sleeve 13 is arranged at the bottom of the cover plate, the wire sleeve 13 is welded together with the cover plate, the cushion brick 3 and the tail part of the brick core 1 are seamlessly attached, which can effectively avoid the gap between the cushion brick and the tail part of the brick core;

[0020] When the cushion brick 3 is formed, first, the mold is assembled, and after the mold is assembled, the front end wire head 14.1 of the structure piece 14 prepared in advance is screwed into the corresponding wire hole of the bottom plate of the cushion brick mold, and the bottom of the wire hole has a 2-3mm step to ensure that the top of the structure piece 14 is 2-3mm lower than the top of the cushion brick 3; then the refractory material is poured into the mold for vibration forming, and the forming time is about 15 minutes; after the forming is completed, the cushion brick 3 is placed in the drying kiln together with the mold for baking; after the baking is completed, demolding is carried out; after the demolding is completed, the selection and packaging links are entered, so that the production of the cushion brick is completed.

[0021] As an optional design, the top of the structure piece 14 is preferably lower than the top of the cushion brick 3, and the top of the structure piece 14 is preferably 2-3mm away from the top of the cushion brick 3, so that when the structure piece is screwed, the top of the cushion brick 3 can be completely attached to the tail cover plate of the brick core 1, and no gap is formed between the two.

[0022] As an optional design, the brick core 1, the wire sleeve 13, the cushion brick 3 and the structure piece 14 are coaxially arranged.

[0023] As an optional design, the six-square or four-square connecting section 14.3 is arranged on the outer circular surface of the structure piece 14 adjacent to the end, so that the connecting section 14.3 can be tightened by a wrench, and the cushion brick 3 is tightly pressed against the tail cover plate of the brick core 1 by tightening the structure piece 14.

[0024] As an optional design, the material of the structure piece 14 is steel, and the structure piece 14 and the body of the cushion brick 3 are integrated.

[0025] The working process of the utility model is as follows:

[0026] When used, no cushion brick installation tool is needed, only after the brick core 1 is installed in place, the top of the cushion brick 3 is aligned with the tail of the brick core 1, the front end wire head 14.1 of the structure piece 14 is aligned with the wire sleeve 13 of the tail of the brick core 1, then the six-square or four-square connecting section 14.3 of the structure piece is tightened by a wrench, and the top of the cushion brick 3 is tightly pressed against the cover plate of the tail of the brick core 1, so no fire mud is needed, the installation of the cushion brick 3 is completed, the damage to the cushion brick 3 caused by artificial knocking is avoided, so that the risk of sinking of the brick core 1 during use of the split breathable brick is greatly reduced, the safety of use of the split breathable brick is improved, and then only the mechanism pressing plate 6 of the locking mechanism is aligned with the bottom of the cushion brick 3, and the mechanism pressing plate 6 is screwed on the adaptive plate 5 at the bottom of the steel ladle bottom 4 through the locking nut 7 and the T-shaped bolt 8.

[0027] The above description is only the application implementation manner of the present application, but the protection scope of the present application is not limited to this, and the protection scope of the present application cannot be limited by this, and any equivalent change according to the technical scheme of the present application should be covered in the protection scope of the present application.

Claims

1. A split type air brick comprising a core, a base brick and a cushion brick, characterized in that The bottom of the brick core cover plate is provided with a wire sleeve, the upper end of the cushion brick is provided with an avoiding hole for avoiding the wire sleeve, and a structural member is arranged in the cushion brick.

2. The split-type gas-vapor check valve according to claim 1, wherein: The top of the structural member is lower than the top of the cushion brick.

3. The split type gas-vapor check valve according to claim 1 or 2, wherein: The brick core, the wire sleeve, the cushion brick and the structural member are coaxially arranged.

4. The split-type gas-vapor check valve according to claim 3, wherein: A connecting section with a hexagonal or quadrangular structure is arranged on the outer circular surface of the structural member adjacent to the end.

5. The split-type gas-vapor check valve according to claim 3, wherein: The material of the structural member is steel.

6. The split-type gas diffusion brick according to claim 3, wherein: The structural member and the cushion brick are integrated with each other.

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