CN212957223U

CN212957223U - High thermal shock resistant mullite refractory brick

Info

Publication number: CN212957223U
Application number: CN202021417246.6U
Authority: CN
Inventors: 王树新; 陈从勇; 潘永忠; 马际娟; 强梦斐
Original assignee: Zhejiang Jiaji Petrochemical Engineering Co ltd
Current assignee: Zhejiang Jiaji Petrochemical Engineering Co ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-04-13
Anticipated expiration: 2030-07-17

Abstract

The utility model discloses a high thermal shock resistance mullite refractory brick, a heat preservation component is arranged on one side of the brick body, a mounting groove is arranged on the inner side of the brick body, a heat preservation asbestos layer is embedded in the bottom end of the mounting groove, a heat insulation layer is embedded in the position of the inner side of the mounting groove, a vent hole is arranged on the bottom end of one side of the brick body, a thermal shrinkage hole is arranged on one side of the brick body away from the vent hole, the top end of the brick body is coated with a heat-resistant protective layer, when the refractory stone is heated, the refractory stone expands due to the principle of thermal expansion and cold shrinkage, the thermal shrinkage hole shrinks, thereby avoiding the situation that the refractory stones are mutually extruded to cause fracture and damage, the heat insulation property of the brick is increased through the heat preservation asbestos layer and the heat insulation layer, thereby avoiding the temperature reduction in the furnace, and accelerating the heat conduction of, meanwhile, the service life of the refractory brick is ensured.

Description

High thermal shock resistant mullite refractory brick

Technical Field

The utility model relates to a resistant firebrick technical field specifically is high thermal shock resistance mullite is able to bear or endure firebrick.

Background

Mullite is a series of minerals composed of aluminosilicate, is a high-quality refractory material, has the characteristics of uniform expansion, excellent thermal shock stability, high loading softening point, small high-temperature creep value, large hardness, good chemical corrosion resistance and the like, and is a refractory material fired by using refractory clay or other refractory raw materials.

"I-shaped groove is able to bear or endure firebrick" has been mentioned in application number 201520632501.1, this patent utilizes I-shaped lug and the combination of I-shaped groove case between two bricks, thereby it goes to go to two bricks to need not the staff, be convenient for to the installation of brick, and the concatenation back stability is good, but when firebrick is heated, firebrick can expend with heat and contract with cold simultaneously can the heat of discharge, can extrude each other when being heated, lead to the extrusion to damage easily, when the stove heats, heat looks outside diffusion, lead to the stove internal temperature to reduce, make the efficiency reduce when producing high temperature article.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high thermal shock resistance mullite is able to bear or endure firebrick provides in can effectively solving above-mentioned background art when being heated firebrick, and firebrick can expend with heat and contract with cold simultaneously can the heat of discharging, can extrude each other when being heated, leads to the extrusion to damage easily, and the heat of discharging simultaneously leads to the waste of the energy for the problem that the efficiency reduces when producing high temperature article.

In order to achieve the above object, the utility model provides a following technical scheme: the mullite refractory brick with high thermal shock resistance comprises a brick body, wherein a heat insulation assembly is arranged on one side of the brick body;

the heat insulation component comprises a mounting groove, a heat insulation asbestos layer, a heat insulation layer, an air hole, a heat shrinkage hole and a heat-resistant protective layer;

the side is opened and is equipped with the mounting groove in the brick body, the heat preservation asbestos layer is installed in mounting groove bottom embedding, the mounting groove inboard is located the embedding of heat preservation asbestos layer top position department and installs the insulating layer, the bleeder vent has been seted up to brick body one side bottom, brick body one side is kept away from bleeder vent position department and has been seted up the pyrocondensation hole, brick body top scribbles heat-resisting protective layer.

Preferably, the length and the width of the heat-insulating asbestos layer are respectively equal to those of the heat-insulating layer, and the length and the width of the heat-insulating asbestos layer are respectively equal to those of the mounting groove.

Preferably, the T type mouth has been seted up to brick body top one side, brick body one side is kept away from T type mouth position department fixed mounting and is had T type piece, the rectangular channel has been seted up to brick body one side symmetry, one side fixed mounting that the rectangular channel was kept away from to the brick body has the restriction rectangle strip, the installing port has been seted up at brick body top middle part, brick body bottom is close to installing port position department fixed mounting and has the installation piece, restriction mouth has been seted up to brick body top middle part both sides position department symmetry, brick body bottom corresponds restriction mouth position department fixed mounting and has the restriction piece.

Preferably, the T-shaped block is embedded inside the T-shaped opening, and the length and the width of the T-shaped block are respectively equal to those of the T-shaped opening.

Preferably, the limiting rectangular strip is embedded and installed on the inner side of the rectangular groove, and the length, the width and the height of the limiting rectangular strip are respectively equal to those of the rectangular groove.

Preferably, the mounting block is fitted inside the mounting opening, and the restricting block is fitted inside the restricting opening.

Compared with the prior art, the beneficial effects of the utility model are that:

1. set up the heat preservation subassembly, when the fire stone is heated, because of expend with heat and contract with cold principle, the fire stone inflation, shrinkage cavity shrink, thereby avoid extruding each other between the fire stone and lead to the condition of cracked damage to appear, through heat preservation asbestos layer and insulating layer, increase the heat-proof quality of fragment of brick, thereby avoid the interior temperature of stove to reduce, and when heating through the bleeder vent with higher speed resistant firebrick's heat conduction, thereby make resistant firebrick be heated evenly, thereby the stability of resistant firebrick when being heated has been guaranteed, resistant firebrick's life has also been guaranteed simultaneously.

2. Through setting up T type mouth, T type piece, rectangular channel, restriction rectangle strip, installing port, installation piece, restriction mouth, restriction piece, be convenient for when building a wall to the polylith is resistant to firebrick between fixed to made things convenient for the installation and the fixing of staff to resistant firebrick, alleviateed staff's intensity of labour.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the heat-insulating assembly of the present invention;

FIG. 3 is a schematic structural view of the T-shaped block of the present invention;

reference numbers in the figures: 1. a brick body;

2. a heat preservation assembly; 201. mounting grooves; 202. a heat-insulating asbestos layer; 203. a thermal insulation layer; 204. air holes are formed; 205. thermal shrinkage; 206. a heat-resistant protective layer;

3. a T-shaped port; 4. a T-shaped block; 5. a rectangular groove; 6. a restraining rectangular bar; 7. an installation port; 8. mounting blocks; 9. a restriction port; 10. and limiting the block.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a technical proposal, a high thermal shock resistant mullite refractory brick, which comprises a brick body 1, wherein a heat preservation component 2 is arranged on one side of the brick body 1;

the heat insulation component 2 comprises a mounting groove 201, a heat insulation asbestos layer 202, a heat insulation layer 203, an air vent 204, a heat shrinkage hole 205 and a heat-resistant protection layer 206;

mounting groove 201 has been seted up to the 1 inboard of the brick body, insulating asbestos layer 202 is installed in the embedding of mounting groove 201 bottom, insulating layer 203 is installed in the inboard embedding that is located insulating asbestos layer 202 top position department of mounting groove 201, insulating asbestos layer 202 length and width equal with insulating layer 203 length and width respectively, insulating asbestos layer 202 length and width equal with mounting groove 201 length and width respectively, thereby guaranteed the heat preservation to the stove, bleeder vent 204 has been seted up to 1 one side bottom of the brick body, bleeder vent 204 position department has been kept away from to 1 one side of the brick body has seted up

thermal shrinkage cavity

205, 1 top of the brick body scribbles heat-resisting protective layer 206, the material of insulating layer 203 is the aerogel, heat-resisting protective layer 206 material is inorganic compound.

A T-shaped opening 3 is formed in one side of the top end of a brick body 1, a T-shaped block 4 is fixedly installed at a position, far away from the T-shaped opening 3, of one side of the brick body 1, a rectangular groove 5 is symmetrically formed in one side of the brick body 1, the T-shaped block 4 is installed on the inner side of the T-shaped opening 3 in an embedded mode, the length and the width of the T-shaped block 4 are respectively equal to those of the T-shaped opening 3, fixing and limiting of bricks are facilitated during transportation and installation, a limiting rectangular strip 6 is fixedly installed on one side, far away from the rectangular groove 5, of the brick body 1, the limiting rectangular strip 6 is installed on the inner side of the rectangular groove 5 in an embedded mode, the length, the width and the height of the limiting rectangular strip 6 are respectively equal to those of the rectangular groove 5, connection and fixing of two adjacent bricks are facilitated, an installation opening 7 is formed in the middle portion of the top end of the brick body 1, an, the bottom end of the brick body 1 is fixedly provided with a limiting block 10 corresponding to the position of the limiting opening 9, the mounting block 8 is embedded in the mounting opening 7, and the limiting block 10 is embedded in the limiting opening 9, so that the brick is convenient to fix during transportation.

The utility model discloses a theory of operation and use flow: when the required refractory bricks are used for building walls, the T-shaped blocks 4 are embedded and installed in the T-shaped openings 3, the limiting rectangular strips 6 are embedded in the rectangular grooves 5, the installation blocks 8 are inserted in the installation openings 7, the limiting openings 9 are inserted in the limiting blocks 10, and gaps among the refractory bricks are bonded through cement and other adhesives after the embedding is finished, so that the refractory bricks are guaranteed to be fixed;

when resistant firebrick is heated, resistant firebrick is heated the inflation, the shrink hole 205 shrink, thereby provide the expanded space of shrink, avoid extruding mutually when the fragment of brick pyrocondensation and the condition of the fragment of brick extrusion broken damage that leads to appears, when resistant firebrick is heated, through the protection of heat-resistant protective layer 206 to the fragment of brick, avoid the fragment of brick surface because of being heated the inequality the crack appears, through heat preservation asbestos layer 202 and insulating layer 203, avoided when being heated, increase its thermal-insulated heat retaining effect, avoid the heat to spread to the external world and lead to the stove temperature to reduce, the condition that production efficiency reduces appears, when being heated, the heat conduction of resistant firebrick is quickened through bleeder vent 204, thereby it is even to be convenient for resistant firebrick heat distribution, place the.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. High thermal shock resistance mullite firebrick, including the brick body (1), its characterized in that: one side of the brick body (1) is provided with a heat insulation component (2);

the heat insulation component (2) comprises a mounting groove (201), a heat insulation asbestos layer (202), a heat insulation layer (203), an air hole (204), a heat shrinkage hole (205) and a heat-resistant protection layer (206);

mounting groove (201) have been seted up to the brick body (1) inboard, heat preservation asbestos layer (202) are installed in mounting groove (201) bottom embedding, mounting groove (201) inboard is located heat preservation asbestos layer (202) top position department embedding and installs insulating layer (203), bleeder vent (204) have been seted up to brick body (1) one side bottom, bleeder vent (204) position department is kept away from to brick body (1) one side has seted up pyrocondensation hole (205), brick body (1) top scribbles heat-resisting protective layer (206).

2. The mullite refractory brick as claimed in claim 1, wherein the length and the width of the heat-insulating asbestos layer (202) are respectively equal to those of the heat-insulating layer (203), and the length and the width of the heat-insulating asbestos layer (202) are respectively equal to those of the mounting groove (201).

3. The mullite refractory brick with the high thermal shock resistance as claimed in claim 1, wherein a T-shaped opening (3) is formed in one side of the top end of the brick body (1), a T-shaped block (4) is fixedly installed at a position, away from the T-shaped opening (3), of one side of the brick body (1), a rectangular groove (5) is symmetrically formed in one side of the brick body (1), a limiting rectangular strip (6) is fixedly installed at one side, away from the rectangular groove (5), of the brick body (1), an installation opening (7) is formed in the middle of the top end of the brick body (1), an installation block (8) is fixedly installed at a position, close to the installation opening (7), of the bottom end of the brick body (1), limiting openings (9) are symmetrically formed in two side positions, away from the middle of the top end of the brick body (1), and limiting blocks (10) are fixedly installed at positions, corresponding.

4. The mullite refractory brick as claimed in claim 3, wherein the T-shaped block (4) is embedded inside the T-shaped opening (3), and the length and the width of the T-shaped block (4) are respectively equal to those of the T-shaped opening (3).

5. The mullite refractory brick as claimed in claim 3, wherein the rectangular restraining strip (6) is embedded inside the rectangular groove (5), and the length, width and height of the rectangular restraining strip (6) are equal to those of the rectangular groove (5).

6. The mullite refractory brick as claimed in claim 3, wherein the mounting block (8) is mounted inside the mounting opening (7) in an embedded manner, and the restriction block (10) is mounted inside the restriction opening (9) in an embedded manner.