CN110274478B

CN110274478B - Refractory brick

Info

Publication number: CN110274478B
Application number: CN201910497923.5A
Authority: CN
Inventors: 不公告发明人
Original assignee: Zhejiang Henghui Building Materials Co Ltd
Current assignee: Zhejiang Henghui building materials Co., Ltd
Priority date: 2019-06-10
Filing date: 2019-06-10
Publication date: 2020-11-20
Anticipated expiration: 2039-06-10
Also published as: CN110274478A

Abstract

The invention belongs to the technical field of refractory bricks, and particularly relates to a refractory brick; comprises a brick body and a clamping unit; a prefabricated hole for placing the clamping unit is formed in the brick body; the top of the brick body is provided with clamping columns which are symmetrically arranged by taking the vertical central line of the brick body as a reference, and one ends of the clamping columns, far away from the brick body, are provided with arrows with conical sections; the bottom of the brick body is provided with a notch for placing the clamping column; the brick body, the clamping column and the arrow are integrally fired and molded; a cavity is arranged above the notch, and an arrow is placed in the cavity; the clamping unit is used for fixing the adjacent brick bodies when the brick bodies are stacked; the invention has simple structure, and the adjacent brick bodies can be relatively fixed after being stacked by designing the clamping columns and the notches on the brick bodies and designing the clamping units, thereby reducing the falling-off condition of the refractory bricks during use and enabling the refractory bricks to be particularly suitable for the vault of the hot blast stove.

Description

Refractory brick

Technical Field

The invention belongs to the technical field of refractory bricks, and particularly relates to a refractory brick.

Background

The refractory materials are generally divided into two types, namely unshaped refractory materials and shaped refractory materials; the unshaped refractory material, also called as casting material, is a mixed powder granule composed of various aggregates or aggregates and one or more kinds of adhesives, and when in use, the unshaped refractory material must be matched with one or more kinds of liquids to be stirred uniformly, and has stronger fluidity. The shaped refractory material is generally a refractory brick, the shape of which has standard rules and can also be temporarily processed when being built and cut as required.

And to the hot-blast furnace, it need use resistant firebrick in the in-process of preparation production, and the brick body drops often appears in the hot-blast furnace vault, and gas leakage runs out the fire and is a comparatively general problem, causes the blowing out maintenance often, and the leading cause is because it is firm inadequately to connect between the two adjacent brick bodies in the hot-blast furnace, and the brick body takes place to drop easily, and the hot-blast furnace often needs the maintenance of blowing out, and the hot-blast furnace can not continuous work, influences people's use, consequently needs to solve this technical problem.

Disclosure of Invention

The invention provides a refractory brick, aiming at making up the defects of the prior art and solving the problem that the refractory brick in a hot blast stove in the prior art is easy to fall off when the hot blast stove is used.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a refractory brick, which comprises a brick body and a clamping unit; a prefabricated hole for placing the clamping unit is formed in the brick body; the top of the brick body is provided with clamping columns which are symmetrically arranged by taking the vertical central line of the brick body as a reference, and one ends of the clamping columns, far away from the brick body, are provided with arrows with conical sections; the bottom of the brick body is provided with a notch for placing the clamping column; the brick body, the clamping column and the arrow are integrally fired and molded; a cavity is arranged above the notch, and an arrow is placed in the cavity; the clamping unit is used for fixing the adjacent brick bodies when the brick bodies are stacked; the clamping unit comprises a locking block matched with the prefabricated hole, a first cavity is formed in the bottom of the locking block, a compression spring is placed in the first cavity, one end of the compression spring is fixedly connected with the side wall of the first cavity, and a locking column is fixedly connected to the other end of the compression spring; the top of the locking block is provided with a second cavity, a pull rope is arranged in the second cavity, one end of the pull rope is fixedly connected with the second cavity, the other end of the pull rope penetrates through the inside of the locking block and then is sleeved on the compression spring, and the pull rope is in a tensioning state to enable the compression spring to be in a compression state; the clamping column is provided with a first through hole for the locking column to pass through, and the bottom of the brick body is provided with a second through hole for the locking column to pass through; firebrick is when piling up, with the card post of another brick body of the notch alignment of one of them brick body, when the card post was put into in the notch, the arrow point on the card post stabs the back of cutting off with the stay cord of placing in No. two cavities, compression spring resets, make the locking post release from a cavity, then get into in a through-hole and No. two through-holes, realize the fixed of two brick bodies, the brick body after reducible piling up like this is in the use, the phenomenon that drops appears in the brick body, improve firebrick's life cycle.

Preferably, one end of each locking column, which is far away from the compression spring, is fixedly connected with a soft magnetic block, the magnetic poles of the sides, which are close to each other, of the soft magnetic blocks between the adjacent locking columns are opposite, and the adjacent soft magnetic blocks attract each other to fix the locking columns when being close to each other; when adjacent locking post passes in a through-hole and No. two through-holes and is close to each other, the soft magnetic block inter attraction on the adjacent locking post for locking post can reciprocal anchorage, has improved the firm intensity between the brick body and the brick body.

Preferably, an unsintered clay blank is placed in the cavity, a film is arranged at the bottom of the cavity to seal the clay blank, and the clay blank flows out after the arrow enters the cavity; when card post and notch mutually supported the joint, the arrow point can stab the film and get into in the cavity after stabbing the stay cord, makes the mud base of placing in the cavity flow out, and wherein partly mud base can get into No. two cavities and notches in, like this at the in-process that resistant firebrick used, resistant firebrick's high temperature environment makes the mud base can be along with resistant firebrick's use sintering shaping to reach the effect of fixed adjacent resistant firebrick, the condition that further reduction resistant firebrick drops when using.

Preferably, a reinforcing net is additionally attached to the cavity and used for preventing local fracture of the mud blank after sintering; in the process of adobe sintering, because the effect of reinforcing mesh for the adobe is after sintering shaping, and tensile bending strength improves, and the fixed effect of card post in the notch and arrow head in the cavity is better, the condition that drops when further reducing resistant firebrick and using.

Preferably, the arrow is provided with a sintering hole, and after the arrow enters the cavity, the mud blank in the cavity enters the sintering hole; the arrow point is after getting into the cavity, and the space in the cavity reduces, and partial mud base in the cavity can get into the sintering downthehole, and when resistant firebrick used like this, partial mud base improves the stability of connecting between the adjacent resistant firebrick at the downthehole sintering shaping of sintering, can further strengthen the stability of adjacent resistant firebrick, reduces the condition that resistant firebrick used and dropped.

Preferably, the pull rope is composed of a rigid rope and glass, wherein the glass is positioned right below the notch, and the pull rope composed of the rigid rope and the glass is easier to be broken by the arrow; the stay cord that rigidity rope and glass constitute guarantees that it can pull compression spring compression, and when the arrow got into No. two cavities, the arrow also can be easily punctures glass, makes the locking post can be pushed out by compression spring and fixes the brick body.

The invention has the following beneficial effects:

1. the firebrick has a simple structure, and after the adjacent brick bodies are stacked, the adjacent brick bodies can be relatively fixed by designing the clamping columns and the notches and designing the clamping units, so that the firebrick is reduced from falling off when in use, and is particularly suitable for the vault of the hot blast stove.

2. According to the refractory brick, the mud blank is placed in the cavity of the brick body, and the mud blank can be sintered and molded by utilizing the high-temperature environment of the refractory brick, so that the connection strength between the brick body and the brick body is further enhanced, and the falling-off condition of the refractory brick in use is further reduced.

Drawings

The invention will be further explained with reference to the drawings.

FIG. 1 is a schematic structural view of a brick body according to the present invention;

FIG. 2 is a schematic structural view of a fastening unit according to the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1 at A;

FIG. 4 is an enlarged view of a portion of FIG. 1 at B;

FIG. 5 is a schematic view of the overall structure of the present invention;

FIG. 6 is a schematic perspective view of the present invention;

in the figure: brick body 1, prefabricated hole 11, clamping column 12, arrow 13, notch 14, cavity 15, clamping unit 2, locking block 21, cavity 22, compression spring 23, locking column 24, cavity 25, stay cord 26, rigid rope 261, glass 262, through-hole 31, through-hole 3, soft magnetic block 4, film 5, reinforcing net 6, sintering hole 7.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 6, the firebrick of the present invention comprises a firebrick body 1 and a fastening unit 2; a prefabricated hole 11 for placing the clamping unit 2 is formed in the brick body 1; the top of the brick body 1 is provided with clamping columns 12 which are symmetrically arranged by taking the vertical central line of the brick body 1 as a reference, and one ends of the clamping columns 12, which are far away from the brick body 1, are provided with arrows 13 with conical sections; the bottom of the brick body 1 is provided with a notch 14 for placing the clamping column 12; the brick body 1 and the clamping column 12, the clamping column 12 and the arrow 13 are integrally fired and formed; a cavity 15 is arranged above the notch 14, and the arrow 13 is placed in the cavity 15; the clamping unit 2 is used for fixing the adjacent brick bodies 1 when the brick bodies 1 are stacked; the clamping unit 2 comprises a locking block 21 matched with the prefabricated hole 11, a first cavity 22 is formed in the bottom of the locking block 21, a compression spring 23 is placed in the first cavity 22, one end of the compression spring 23 is fixedly connected with the side wall of the first cavity 22, and a locking column 24 is fixedly connected to the other end of the compression spring 23; a second cavity 25 is formed in the top of the locking block 21, a pull rope 26 is arranged in the second cavity 25, one end of the pull rope 26 is fixedly connected with the second cavity 25, the other end of the pull rope 26 penetrates through the locking block 21 and then is sleeved on the compression spring 23, and the pull rope 26 is in a tensioning state to enable the compression spring 23 to be in a pressing state; a first through hole 31 for the locking column 24 to pass through is formed in the clamping column 12, and a second through hole 3 for the locking column 24 to pass through is formed in the bottom of the brick body 1; firebrick is when piling up, with the notch 14 of one of them brick body 1 to the card post 12 of another brick body 1, when the card post 12 was put into notch 14, arrow 13 on the card post 12 stabs the back of putting away with stay cord 26 of placing in No. two cavities 25, compression spring 23 resets, make locking post 24 release from a cavity 22 in, then get into a through-hole 31 and No. two through-holes 3, realize the fixed of two brick bodies 1, brick body 1 after reducible piling up like this is in the use, the phenomenon that drops appears in the brick body 1, improve firebrick's life cycle.

As a specific embodiment of the present invention, one end of each locking column 24, which is far away from the compression spring 23, is fixedly connected with a soft magnetic block 4, the magnetic poles of the sides, which are close to each other, of the soft magnetic blocks 4 between adjacent locking columns 24 are opposite, and the adjacent soft magnetic blocks 4 attract each other to fix the locking columns 24 when being close to each other; when the adjacent locking columns 24 pass through the first through hole 31 and the second through hole 3 and then are close to each other, the soft magnetic blocks 4 on the adjacent locking columns 24 attract each other, so that the locking columns 24 can be mutually fixed, and the firm strength between the brick body 1 and the brick body 1 is improved.

As a specific embodiment of the present invention, an unsintered clay blank is placed in the cavity 15, and the bottom of the cavity 15 is provided with a film 5 to seal the clay blank, and the clay blank flows out after the arrow 13 enters the cavity 15; when the clamping columns 12 are matched and clamped with the notches 14, the arrows 13 can puncture the thin film 5 to enter the cavities 15 after puncturing the pull ropes 26, mud blanks placed in the cavities 15 can flow out, and a part of the mud blanks can enter the cavity II 25 and the notches 14, so that in the using process of the refractory bricks, the high-temperature environment of the refractory bricks enables the mud blanks to be sintered and formed along with the use of the refractory bricks, the effect of fixing adjacent refractory bricks is achieved, and the condition that the refractory bricks fall off in the using process is further reduced.

As a specific embodiment of the present invention, a reinforcing mesh 6 is additionally attached in the cavity 15, and the reinforcing mesh 6 is used for preventing the clay blank from being locally broken after being sintered; in the process of adobe sintering, because of the effect of reinforcing mesh 6 for the adobe is after sintering shaping, tensile bending strength improves, and the fixed effect of card post 12 in notch 14 and arrow 13 in cavity 15 is better, further reduces the condition that drops when resistant firebrick uses.

As a specific embodiment of the invention, the arrow 13 is provided with a sintering hole 7, and after the arrow 13 enters the cavity 15, the mud blank in the cavity 15 enters the sintering hole 7; after the arrow 13 enters the cavity 15, the space in the cavity 15 is reduced, and part of mud blank in the cavity 15 can enter the sintering hole 7, so that when the refractory bricks are used, part of mud blank is sintered and molded in the sintering hole 7, the connection stability between adjacent refractory bricks is improved, the stability of the adjacent refractory bricks can be further enhanced, and the condition that the refractory bricks fall off when used is reduced.

As a specific embodiment of the present invention, the pulling rope 26 is composed of a rigid rope 261 and a glass 262, wherein the glass 262 is located right below the notch 14, and the pulling rope 26 composed of the rigid rope 261 and the glass 262 is easier to be cut by the arrow 13; the pulling rope 26 composed of the rigid rope 261 and the glass 262 can pull the compression spring 23 to compress, and at the same time when the arrow 13 enters the cavity No. II 15, the arrow 13 can easily puncture the glass 262, so that the locking column 24 can be pushed out by the compression spring 23 to fix the brick body 1.

When the firebrick is manufactured, a mold is manufactured according to the shapes of a firebrick body 1 and a locking block 21, after the firebrick body 1 and the locking block 21 are fired and molded, a mud blank is placed in a cavity 15 on the firebrick body 1 and then sealed by using a film 5, a compression spring 23 is fixedly connected with a locking column 24, a stay cord 26 is fixed with the compression spring 23 and then is placed in a first cavity 22 for fixation, and finally, the stay cord 26 is pulled to compress the compression spring 23 and then one end of the stay cord 26, which is far away from the compression spring 23, is placed in a second cavity 25 for fixation.

When the refractory bricks are stacked, the notch 14 of one brick body 1 is aligned with the clamping column 12 of the other brick body 1, when the clamping column 12 is placed in the notch 14, the arrow 13 on the clamping column 12 pokes the pull rope 26 placed in the second cavity 25, and the compression spring 23 resets, so that the locking column 24 is pushed out from the first cavity 22 and then enters the first through hole 31 and the second through hole 3, and the fixation of the two brick bodies 1 is realized, thus the phenomenon that the brick bodies 1 fall off in the use process of the stacked brick bodies 1 can be reduced, and the service cycle of the refractory bricks is prolonged; when the adjacent locking columns 24 pass through the first through hole 31 and the second through hole 3 and then approach each other, the soft magnetic blocks 4 on the adjacent locking columns 24 attract each other, so that the locking columns 24 can be mutually fixed, and the firm strength between the brick body 1 and the brick body 1 is improved; when the clamping column 12 is matched and clamped with the notch 14, the arrow 13 punctures the film 5 and enters the cavity 15 after puncturing the pull rope 26, so that mud blanks placed in the cavity 15 flow out, and a part of the mud blanks enter the cavity II 25 and the notch 14, so that in the using process of the refractory bricks, the high-temperature environment of the refractory bricks enables the mud blanks to be sintered and formed along with the use of the refractory bricks, the effect of fixing adjacent refractory bricks is achieved, and the condition that the refractory bricks fall off in use is further reduced; in the process of sintering the mud blank, due to the action of the reinforcing net 6, the tensile strength and the bending strength of the mud blank are improved after sintering and forming, the fixing effect of the clamping column 12 in the notch 14 and the arrow 13 in the cavity 15 is better, and the condition that the refractory brick falls off when in use is further reduced; after the arrow 13 enters the cavity 15, the space in the cavity 15 is reduced, and part of mud blank in the cavity 15 can enter the sintering hole 7, so that when the refractory bricks are used, part of mud blank is sintered and molded in the sintering hole 7, the connection stability between adjacent refractory bricks is improved, the stability of the adjacent refractory bricks can be further enhanced, and the condition that the refractory bricks fall off when used is reduced.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A refractory brick characterized by: comprises a brick body (1) and a clamping unit (2); a prefabricated hole (11) for placing the clamping unit (2) is formed in the brick body (1); the top of the brick body (1) is provided with clamping columns (12) which are symmetrically arranged by taking the vertical central line of the brick body (1) as a reference, and one ends of the clamping columns (12) far away from the brick body (1) are provided with arrows (13) with conical sections; a notch (14) for placing the clamping column (12) is formed at the bottom of the brick body (1); the brick body (1) and the clamping column (12), the clamping column (12) and the arrow (13) are integrally fired and formed; a cavity (15) is arranged above the notch (14), and an arrow (13) is placed in the cavity (15); the clamping units (2) are used for fixing the adjacent brick bodies (1) when the brick bodies (1) are stacked; the clamping unit (2) comprises a locking block (21) matched with the prefabricated hole (11), a first cavity (22) is formed in the bottom of the locking block (21), a compression spring (23) is placed in the first cavity (22), one end of the compression spring (23) is fixedly connected with the side wall of the first cavity (22), and a locking column (24) is fixedly connected to the other end of the compression spring; a second cavity (25) is formed in the top of the locking block (21), a pull rope (26) is arranged in the second cavity (25), one end of the pull rope (26) is fixedly connected with the second cavity (25), the other end of the pull rope penetrates through the interior of the locking block (21) and then is sleeved on the compression spring (23), and the pull rope (26) is in a tensioning state to enable the compression spring (23) to be in a compression state; a first through hole (31) for the locking column (24) to pass through is formed in the clamping column (12), and a second through hole (3) for the locking column (24) to pass through is formed in the bottom of the brick body (1);

one end, far away from the compression spring (23), of each locking column (24) is fixedly connected with a soft magnetic block (4), the magnetic poles of the sides, close to each other, of the soft magnetic blocks (4) between the adjacent locking columns (24) are opposite, and the adjacent soft magnetic blocks (4) attract each other to fix the locking columns (24) when being close to each other.

2. A refractory brick as claimed in claim 1, wherein: unsintered mud blanks are placed in the cavity (15), the bottom of the cavity (15) is provided with a film (5) to seal the mud blanks, and the mud blanks flow out after the arrow (13) enters the cavity (15).

3. A refractory brick as claimed in claim 2, wherein: and a reinforcing net (6) is additionally attached in the cavity (15), and the reinforcing net (6) is used for preventing the local fracture of the mud blank after sintering.

4. A refractory brick as claimed in claim 1, wherein: and sintering holes (7) are formed in the arrows (13), and after the arrows (13) enter the cavities (15), the mud blanks in the cavities (15) enter the sintering holes (7) in the sintering holes (7).

5. A refractory brick as claimed in claim 1, wherein: the pulling rope (26) is composed of a rigid rope (261) and glass (262), wherein the glass (262) is located right below the notch (14), and the pulling rope (26) composed of the rigid rope (261) and the glass (262) is easier to be broken by an arrow (13).