CN217210350U

CN217210350U - Improved lightweight refractory brick

Info

Publication number: CN217210350U
Application number: CN202220358286.0U
Authority: CN
Inventors: 盛斌; 盛树堂; 李佳; 孙学良; 周伟国
Original assignee: Zhejiang Shengwang Refractories Co ltd
Current assignee: Zhejiang Shengwang Refractories Co ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-08-16
Anticipated expiration: 2032-02-22

Abstract

The utility model discloses an improved generation lightweight is able to bear or endure firebrick, including firebrick body and cavity, processing has the cavity in the middle of firebrick body's inside, firebrick body's internally mounted has protection device. This improved generation lightweight is able to bear or endure firebrick, through firebrick body, the cavity, first high temperature resistant layer, mutually support between bearing layer and the second high temperature resistant layer isotructure, can set up the cavity through the inside at firebrick body, thereby make its lightweight, set up first high temperature resistant layer in cavity department, bearing layer and second high temperature resistant layer, thereby the life of firebrick body has just been improved, through the lug, the tenon eye, first rectangular block, the riser, the cooperation of mutually supporting between second rectangular block and the connecting rod isotructure, can support firebrick body's inside through riser and second rectangular block etc. through the tenon eye, lug and tenon etc. can make firebrick body more stable when carrying out the concatenation, thereby just improved the result of use of this device.

Description

Improved lightweight refractory brick

Technical Field

The utility model relates to a resistant firebrick technical field specifically is an improved generation lightweight is able to bear or endure firebrick.

Background

The firebrick is a refractory material fired by refractory clay or other refractory raw materials, is faint yellow or brown, can resist the high temperature of 1580-1770 ℃, is mainly used for building smelting furnaces, can be used as high-temperature building materials and structural materials of building kilns and various thermal equipment, and can bear various physical and chemical changes and mechanical actions at high temperature, most firebricks in the prior art are solid structures, have lower lightweight degree and shorter service life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an improved generation lightweight is able to bear or endure firebrick to solve and propose among the above-mentioned background art and the firebrick among the prior art is mostly solid structure, the lower problem of lightweight degree.

In order to achieve the above object, the utility model provides a following technical scheme: an improved lightweight refractory brick comprises a refractory brick body and a cavity, wherein the cavity is processed in the middle of the interior of the refractory brick body, and a protection device is installed in the interior of the refractory brick body;

the protection device comprises a first high temperature resistant layer, a bearing layer and a second high temperature resistant layer;

the outer wall of the upper and lower first high-temperature-resistant layers is fixedly connected with the refractory brick body, the inner side of the first high-temperature-resistant layer is fixedly connected with the bearing layer, and the inner wall of the bearing layer is fixedly connected with the second high-temperature-resistant layer.

Preferably, the processing of the below of firebrick body has a plurality of recesses, and the internally mounted of recess has a plurality of tenons, the top and the firebrick body looks rigid coupling of tenon, can make a plurality of firebrick bodies more stable when splicing like this through recess and tenon etc..

Preferably, a connecting device is arranged above the firebrick body;

the connecting device comprises a convex block, a tenon eye and a first rectangular block;

a plurality of around the below of lug and firebrick body looks rigid coupling, the inside processing of lug has a plurality of falcon eyes, the below of lug is equipped with first rectangular block, and the inside clearance fit of the outer wall of first rectangular block and cavity.

Preferably, a supporting device is arranged inside the cavity;

the supporting device comprises a vertical plate, a second rectangular block and a connecting rod;

control the outer wall of riser and the inside clearance fit of cavity, the equal rigid coupling of the upper and lower side outer wall of riser has the second rectangle piece, and the outer wall of second rectangle piece and the high temperature resistant layer looks rigid coupling of second, the inboard rigid coupling of riser has a plurality of connecting rods, controls the inboard and the first rectangle piece looks rigid coupling of connecting rod.

Preferably, the vertical plate and the second rectangular block are arranged vertically, so that the refractory brick body can be supported through the vertical plate and the second rectangular block.

Compared with the prior art, the beneficial effects of the utility model are that: the improved lightweight refractory brick has the advantages that through the mutual matching of the structures such as the refractory brick body, the cavity, the first high-temperature-resistant layer, the bearing layer and the second high-temperature-resistant layer, the cavity is formed in the refractory brick body, so that the refractory brick is lightweight, and the first high-temperature-resistant layer, the bearing layer and the second high-temperature-resistant layer are arranged in the cavity, so that the service life of the refractory brick body is prolonged;

through the mutual cooperation between structures such as lug, falcon eye, first rectangle piece, riser, second rectangle piece and connecting rod, can support the inside of firebrick body through riser and second rectangle piece etc. can make firebrick body more stable when splicing through falcon eye, lug and tenon etc. to the result of use of this device has just been improved.

Drawings

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

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of the structure of FIG. 2 at the connecting rod, the first rectangular block and the bearing layer;

fig. 4 is a schematic structural diagram of the riser, the second rectangular block and the tenon in fig. 2.

In the figure: 1. firebrick body, 2, cavity, 3, protection device, 301, first high temperature resistant layer, 302, bearing layer, 303, second high temperature resistant layer, 4, connecting device, 401, lug, 402, falcon eye, 403, first rectangular block, 5, strutting arrangement, 501, riser, 502, second rectangular block, 503, connecting rod, 6, recess, 7, tenon.

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. 1-4, the present invention provides a technical solution: an improved lightweight refractory brick comprises a refractory brick body 1 and a cavity 2, wherein the cavity 2 is processed in the middle of the interior of the refractory brick body 1, so that the refractory brick body 1 can be lightened, a protection device 3 is installed in the interior of the refractory brick body 1, the protection device 3 comprises a first high-temperature-resistant layer 301, a bearing layer 302 and a second high-temperature-resistant layer 303, the outer walls of the upper and lower first high-temperature-resistant layers 301 are fixedly connected with the refractory brick body 1, the first high-temperature-resistant layer 301 is formed by molding and calcining alumina, the thermal stability is high, the refractoriness is higher than 1770 ℃, the inner side of the first high-temperature-resistant layer 301 is fixedly connected with the bearing layer 302, the bearing layer 302 mainly comprises tridymite, cristobalite, a small amount of acid refractory material consisting of residual quartz and a glass phase, and does not deform after being used for a long time at high temperature, the inner wall of the bearing layer 302 is fixedly connected with the second high-temperature-resistant layer 303, and the second high-temperature-resistant layer 303 is formed by magnesium oxide with the content of more than 90%, The basic refractory material who takes the periclase as the dominant crystalline phase has higher refractoriness, fine alkali-resistant sediment performance, and refractoriness under load is high, has so just improved firebrick body 1's life, and firebrick body 1's below processing has 3 recesses 6, and recess 6's internally mounted has 2 tenons 7, the top and the firebrick body 1 looks rigid coupling of tenon 7.

Connecting device 4 is installed to firebrick body 1's top, connecting device 4 includes lug 401, tenon eye 402 and first rectangular block 403, 3 lug 401's below and firebrick body 1 looks rigid couplings around, be clearance fit between lug 401 and the recess 6, lug 401's inside processing has 2 tenon eye 402, be clearance fit between tenon eye 402 and the tenon 7, just more stable when two firebrick bodies 1 make up like this, lug 401's below is equipped with first rectangular block 403, and the inside clearance fit of the outer wall of first rectangular block 403 and cavity 2.

The internally mounted of cavity 2 has strutting arrangement 5, strutting arrangement 5 includes riser 501, second rectangular block 502 and connecting rod 503, control the outer wall of riser 501 and the inside clearance fit of cavity 2, the equal rigid coupling in the upper and lower side outer wall of riser 501 has second rectangular block 502, and the outer wall of second rectangular block 502 and the rigid coupling of second high temperature resistant layer 303 looks, can support resistant firebrick body 1 through riser 501 and second rectangular block 502, the inboard rigid coupling of riser 501 has 2 connecting rods 503, control the inboard and the first rectangular block 403 looks rigid coupling of connecting rod 503, riser 501 and second rectangular block 502 are perpendicular setting.

In this embodiment, when an operator needs to use the improved lightweight firebrick, firstly, the operator processes a cavity 2 in the middle of the firebrick body 1, so as to make the firebrick body 1 lighter, processes a first high temperature resistant layer 301 on the inner wall of the firebrick body 1, the first high temperature resistant layer 301 is formed by molding and calcining alumina or other raw materials with high alumina content, the heat stability is high, the refractoriness is above 1770 ℃, processes a bearing layer 302 and a second high temperature resistant layer 303 on the outer wall of the first high temperature resistant layer 301, the bearing layer 302 is mainly an acid refractory material composed of tridymite, cristobalite, a small amount of residual quartz and a glass phase, and is not deformed after long-term use at high temperature, the second high temperature resistant layer 303 is an alkaline refractory material with over 90% of magnesia and with a main crystal phase of magnesite, has high refractoriness and good alkaline slag resistance, refractoriness under load begins the temperature height, so just improved the life of firebrick body 1, there are lug 401 and recess 6 in firebrick body 1's upper and lower side design respectively, and lug 401 and recess 6 punishment do not have mortise 402 and tenon 7, just so more stable when two firebrick bodies 1 make up like this, install riser 501 and second rectangular block 502 etc. alright support firebrick body 1's inside at last in cavity 2, thereby just improve the result of use of this device.

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 utility model provides an improved generation lightweight is able to bear or endure firebrick, includes firebrick body (1) and cavity (2), processing has cavity (2) in the middle of the inside of firebrick body (1), its characterized in that: a protection device (3) is arranged in the firebrick body (1);

the protection device (3) comprises a first high-temperature-resistant layer (301), a bearing layer (302) and a second high-temperature-resistant layer (303);

the outer wall of the upper and lower first high temperature resistant layers (301) is fixedly connected with the refractory brick body (1), the inner side of the first high temperature resistant layer (301) is fixedly connected with a bearing layer (302), and the inner wall of the bearing layer (302) is fixedly connected with a second high temperature resistant layer (303).

2. An improved lightweight refractory brick according to claim 1, wherein: a plurality of grooves (6) are machined in the lower portion of the refractory brick body (1), a plurality of tenons (7) are mounted inside the grooves (6), and the upper portions of the tenons (7) are fixedly connected with the refractory brick body (1).

3. The improved lightweight refractory brick of claim 1, wherein: a connecting device (4) is arranged above the firebrick body (1);

the connecting device (4) comprises a projection (401), a tenon eye (402) and a first rectangular block (403);

the lower parts of the front and rear convex blocks (401) are fixedly connected with the refractory brick body (1), a plurality of tenon eyes (402) are processed inside the convex blocks (401), a first rectangular block (403) is arranged below the convex blocks (401), and the outer wall of the first rectangular block (403) is in clearance fit with the inside of the cavity (2).

4. An improved lightweight refractory brick according to claim 1, wherein: a supporting device (5) is arranged in the cavity (2);

the supporting device (5) comprises a vertical plate (501), a second rectangular block (502) and a connecting rod (503);

control the inside clearance fit of the outer wall of riser (501) and cavity (2), the equal rigid coupling of the upper and lower side outer wall of riser (501) has second rectangular block (502), and the outer wall and the resistant high temperature layer of second (303) looks rigid coupling of second rectangular block (502), the inboard rigid coupling of riser (501) has a plurality of connecting rods (503), controls the inboard and the first rectangular block (403) looks rigid coupling of connecting rod (503).

5. The improved, lightweight refractory brick of claim 4, wherein: the vertical plate (501) and the second rectangular block (502) are arranged vertically.