CN219572670U - Refractory brick for furnace wall of hot blast stove - Google Patents

Abstract

The utility model discloses a refractory brick for a furnace wall of a hot blast furnace, which belongs to the field of refractory bricks, and comprises a refractory brick body, wherein an outer edge and an inner edge are arranged in the refractory brick body, the outer edge and the inner edge are fixedly connected through a connecting surface, a heat preservation cavity is formed between the outer edge and the inner edge, butt joint tooth openings are formed on both sides of the outer edge and the inner edge, a limit groove is formed on the connecting surface positioned at the top of the refractory brick body, a limit end is fixedly connected on the connecting surface positioned at the bottom of the refractory brick body, and a limit groove and a limit end are arranged at the joint of two adjacent refractory bricks, so that the two adjacent refractory bricks are conveniently assembled and butted, and the butt joint tooth openings are formed on both sides of the two adjacent refractory bricks, so that the connection between the two refractory bricks is more compact, the connection is more stable, the structural strength is better, and the convenience in installation is improved.

Description

Refractory brick for furnace wall of hot blast stove

Technical Field

The utility model relates to the field of refractory bricks, in particular to a refractory brick for a furnace wall of a hot blast stove.

Background

The refractory brick is called as fire brick for short. Can be used as high-temperature building materials and structural materials of building kilns and various thermal equipment, and can withstand various physical and chemical changes and mechanical actions at high temperature.

In order to protect the furnace wall of the hot blast furnace, a layer of refractory bricks are required to be paved on the inner wall of the hot blast furnace during production, and because the inner wall of the hot blast furnace is generally in an arc-shaped structure, the refractory bricks with the square structure in the prior appearance can not be well attached to the inner wall of the hot blast furnace during paving, the construction paving efficiency is affected, and in order to enable the head-to-tail connection of two adjacent refractory bricks to be more convenient, the corresponding limiting grooves and the limiting ends are usually arranged at the head-to-tail connection to carry out butt joint limiting, but the corresponding butt joint structure is lacking at the joint between the circle layers of two adjacent refractory bricks, so that the joint between the circle layers of two adjacent refractory bricks is not tight enough, the structural strength and the tightness after structural installation are affected, and therefore, the refractory bricks for the furnace wall of the hot blast furnace are provided for solving the problems existing.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide the refractory brick for the furnace wall of the hot blast stove, which is characterized in that a plurality of refractory bricks can be connected into a ring-shaped structure after being connected end to end by arranging the refractory brick into an arc-shaped structure, so that the refractory brick is more convenient to be paved on the inner wall of the hot blast stove; the limiting groove and the limiting end are arranged at the joint of two adjacent refractory bricks, so that the two adjacent refractory bricks can be assembled and butted conveniently; and the butt joint tooth openings are formed in the two sides of the refractory bricks, so that the adjacent two refractory brick ring interlayer bricks are more tightly connected with the bricks, the connection is more stable, the structural strength is better, and the convenience in installation is improved.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a resistant firebrick for hot-blast furnace wall, includes resistant firebrick body, resistant firebrick body inside is provided with outer fringe and inner edge, the outer fringe with through junction surface fixed connection between the inner edge, just the outer fringe with heat preservation chamber has been seted up between the inner edge, the outer fringe with the butt joint tooth mouth has all been seted up to the inner edge both sides, is located resistant firebrick body top limit groove has been seted up on the junction surface, is located resistant firebrick body bottom fixedly connected with spacing end on the junction surface.

Further, the refractory brick body is of an arc-shaped structure, and the refractory brick body is a light refractory brick.

Furthermore, the heights of the outer edge and the inner edge are equal, and the butt joint tooth openings are formed along the radial direction of the arc where the refractory brick body is located.

Further, the limiting groove comprises a cylindrical groove section and a strip-shaped groove section, and the cross section shape of the limiting end is identical with that of the limiting groove.

Furthermore, one side of the refractory brick body is provided with a firing surface, and a high-temperature-resistant ceramic glaze is sintered on the firing surface.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, the refractory bricks are arranged into the arc-shaped structure, so that a plurality of refractory bricks can be connected into a ring-shaped structure after being connected end to end, and the refractory bricks are more conveniently paved on the inner wall of the hot blast stove;

(2) According to the scheme, the limiting groove and the limiting end are arranged at the joint of two adjacent refractory bricks, so that the two adjacent refractory bricks can be assembled and butted conveniently;

(3) According to the scheme, butt joint tooth openings are formed in two sides of the refractory bricks, so that adjacent two refractory brick ring-layer bricks are connected with the bricks more tightly, the connection is more stable, the structural strength is better, and the convenience in installation is improved.

Drawings

FIG. 1 is a schematic view of the refractory brick body structure of the present utility model;

FIG. 2 is a schematic diagram of the front structure of the refractory brick body of the present utility model;

FIG. 3 is a schematic side view of the refractory brick body of the present utility model;

FIG. 4 is a schematic view of a refractory brick body of the present utility model in a ring configuration.

The reference numerals in the figures illustrate:

1. a refractory brick body;

2. an outer edge; 201. a butt joint tooth mouth;

3. an inner edge;

4. a connection surface; 401. a limit groove; 402. a limiting end;

5. a heat preservation cavity;

6. and (5) firing the surface.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

Example 1:

referring to fig. 1-4, a refractory brick for a furnace wall of a hot blast stove includes a refractory brick body 1, an outer edge 2 and an inner edge 3 are disposed in the refractory brick body 1, the outer edge 2 and the inner edge 3 are fixedly connected through a connecting surface 4, a heat preservation cavity 5 is disposed between the outer edge 2 and the inner edge 3, butt joint teeth 201 are disposed on two sides of the outer edge 2 and the inner edge 3, a limit groove 401 is disposed on the connecting surface 4 at the top of the refractory brick body 1, and a limit end 402 is fixedly connected to the connecting surface 4 at the bottom of the refractory brick body 1.

When the hot blast stove is used, firstly, adhesive is smeared on the outer side of the outer edge 2 of the first refractory brick body 1, then the refractory brick body 1 is adhered to the stove wall through the adhesive, and is firmly pressed, then, the adhesive is smeared on the outer side of the outer edge 2 of the second refractory brick body 1, the limiting end 402 of the second refractory brick body 1 is clamped in the limiting groove 401 of the first refractory brick body 1 while being adhered to the stove wall, so that the head-to-tail connection between two adjacent refractory brick bodies 1 is realized, then, the like is carried out until a plurality of refractory brick bodies 1 are connected end to form a circle layer structure, then, the second circle layer structure is continuously built on the stove wall by utilizing the refractory brick bodies 1, each refractory brick body 1 of the first circle layer structure is butted with each refractory brick body 1 of the second circle layer structure through corresponding butt joint tooth ports 201, the connection tightness between the adjacent circle layer structures is improved, the structure strength is also increased, the structure is more stable, and finally, all circle layer structures are laid up until the stove wall is completely paved;

in the process of paving the refractory brick body 1, the heat preservation cavity 5 is formed in the refractory brick body 1, so that the heat preservation cavity 5 between the built adjacent ring layer structures is reserved, heat storage is conveniently performed after the refractory brick body 1 is heated, and the heat preservation performance of the hot blast stove during use is improved.

Example 2:

in view of the above embodiment 1, as further described with reference to fig. 1, 2 and 3, the refractory brick body 1 is in an arc structure, the refractory brick body 1 is a light refractory brick, the heights of the outer edge 2 and the inner edge 3 are equal, the abutting tooth openings 201 are all opened along the radial direction of the arc where the refractory brick body is located, the limiting groove 401 comprises a cylindrical groove section and a bar groove section, the cross section shapes of the limiting end 402 and the limiting groove 401 are identical, a firing surface 6 is arranged on one side of the refractory brick body 1, and a high temperature resistant ceramic glaze is sintered on the firing surface 6.

The arrangement of the outer edge 2 and the inner edge 3 facilitates butt joint between adjacent ring layer structures, the stability and the tightness of the butt joint tooth mouth 201 can be improved during butt joint, the arrangement of the limiting end 402 and the limiting groove 401 can facilitate the head-tail connection of two adjacent refractory brick bodies 1, the assembly is convenient, the paving efficiency is improved, the high temperature resistance of the refractory brick bodies 1 can be improved through the firing surface 6, the firing surface 6 adopts a high temperature resistant ceramic glaze surface, the surface is smoother, dust accumulation is difficult, and the cleaning is convenient.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (5)

1. Refractory brick for a hot blast stove wall, comprising a refractory brick body (1), characterized in that: the utility model discloses a refractory brick, including refractory brick body (1), connecting face (4) and connecting face (4) are located refractory brick body (1), refractory brick body (1) inside is provided with outer fringe (2) and inner edge (3), outer fringe (2) with thermal insulation chamber (5) have been seted up between inner edge (3), outer fringe (2) with butt joint tooth mouth (201) have all been seted up to inner edge (3) both sides, are located refractory brick body (1) top limit groove (401) have been seted up on connecting face (4), be located refractory brick body (1) bottom limit end (402) have been fixedly connected with on connecting face (4).

2. A refractory brick for a wall of a hot blast stove according to claim 1, characterized in that: the refractory brick body (1) is of an arc-shaped structure, and the refractory brick body (1) is a light refractory brick.

3. A refractory brick for a wall of a hot blast stove according to claim 1, characterized in that: the heights of the outer edge (2) and the inner edge (3) are equal, and the butt joint tooth openings (201) are formed along the radial direction of the arc where the refractory brick body (1) is located.

4. A refractory brick for a wall of a hot blast stove according to claim 1, characterized in that: the limiting groove (401) comprises a cylindrical groove section and a strip-shaped groove section, and the cross section shape of the limiting end (402) is identical with that of the limiting groove (401).

5. A refractory brick for a wall of a hot blast stove according to claim 1, characterized in that: one side of the refractory brick body (1) is provided with a firing surface (6), and the firing surface (6) is sintered with a high-temperature-resistant ceramic glaze.