CN209872996U - No water cooling furnace throat steel brick and blast furnace - Google Patents

No water cooling furnace throat steel brick and blast furnace Download PDF

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Publication number
CN209872996U
CN209872996U CN201920533217.7U CN201920533217U CN209872996U CN 209872996 U CN209872996 U CN 209872996U CN 201920533217 U CN201920533217 U CN 201920533217U CN 209872996 U CN209872996 U CN 209872996U
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China
Prior art keywords
brick
connecting piece
water
furnace
brick body
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CN201920533217.7U
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Chinese (zh)
Inventor
李�杰
胡显波
贾娟鱼
郭隆
李少强
杜鹃
屈俊杰
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CISDI Engineering Co Ltd
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CISDI Engineering Co Ltd
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Priority to CN201920533217.7U priority Critical patent/CN209872996U/en
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Abstract

The utility model belongs to the field of iron-making blast furnaces, in particular to a steel brick without a water-cooling furnace throat and a blast furnace. This no water cooling furnace throat brick, including the brick body, the brick body includes brick cold side and brick hot side, the internal cavity that separates brick cold side and brick hot side that is equipped with of brick, be equipped with cross distribution's strengthening rib in the cavity, and the strengthening rib cross department is equipped with the first connecting piece that is used for being connected with the blast furnace stove outer covering on being close to one side of brick cold side, the brick body is equipped with the second connecting piece that is used for being connected with the blast furnace stove outer covering on being close to the periphery of brick cold side one end. The utility model has the advantages that: through setting up the strengthening rib to set up first connecting piece in the intersection of strengthening rib, make first connecting piece and strengthening rib strengthen the resistance to deformation ability of the brick body, prevent that the brick body from taking place the protrusion and warping.

Description

No water cooling furnace throat steel brick and blast furnace
Technical Field
The utility model belongs to the field of iron-making blast furnaces, in particular to a steel brick without a water-cooling furnace throat and a blast furnace.
Background
Blast furnace iron-making technology is developed to the present, so to speak, the technology is mature, but the pursuit and the research of the service life of the blast furnace are endless in the iron-making industry. With the technical progress of operation, process, refractory materials, equipment and the like, the service life of the blast furnace is obviously prolonged. The furnace throat steel bricks of the blast furnace are used as an important factor influencing the service life of the blast furnace, and the furnace throat steel bricks developed to date have various forms. The furnace throat steel bricks can be divided into water-cooled furnace throat steel bricks and water-cooled furnace throat steel bricks according to whether water cooling is carried out or not, and the water-cooled furnace throat steel bricks have the main defects that the furnace throat steel bricks have water leakage risks and hidden dangers and are difficult to treat once water leakage occurs; the main defects of the water-cooling-free throat steel brick are easy deformation, equipment can be damaged quickly once the brick is deformed, and the deformed throat steel brick can cause the blast furnace type variation to influence the smooth operation and the operation of the blast furnace.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings in the prior art, an object of the present invention is to provide a water-cooling-free throat brick and a blast furnace, which are used for solving the problems of easy deformation of the throat brick and influence on the service life of the blast furnace in the prior art.
For realizing above-mentioned purpose and other relevant mesh, the utility model provides a no water cooling furnace throat brick steel, including the brick body, the brick body includes brick cold side and brick hot side, the internal cavity that separates brick cold side and brick hot side that is equipped with of brick, be equipped with cross distribution's strengthening rib in the cavity, and strengthening rib cross section is equipped with the first connecting piece that is used for being connected with the blast furnace shell on being close to one side of brick cold side, the brick body is equipped with the second connecting piece that is used for being connected with the blast furnace shell on being close to the periphery of brick cold side one end.
The utility model has the advantages that: through setting up the strengthening rib to set up first connecting piece in the intersection of strengthening rib, make first connecting piece and strengthening rib strengthen the resistance to deformation ability of the brick body, prevent that the brick body from taking place the protrusion and warping.
Optionally, the reinforcing ribs are distributed in a cross shape.
Optionally, the cavity is a square cavity, and the reinforcing ribs are connected with the middle of each side wall of the square cavity respectively.
The beneficial effect of adopting the above optional scheme is: the atress distributes evenly, transmits the deformation force of the hot face of brick iron to first connecting piece through the strengthening rib for first connecting piece and strengthening rib absorb the deformation of the hot face of brick iron, thereby prevent the brick body protrusion deformation.
Optionally, the reinforcing ribs are distributed in a cross manner in a shape of a Chinese character 'mi'.
Optionally, the reinforcing ribs are distributed in a grid shape in a crossed manner.
Optionally, the first connecting piece and the second connecting piece are both limit bolts.
Optionally, the first connecting piece and the second connecting piece extend into the brick body from the cold surface of the steel brick.
Optionally, the brick body is rectangular, the cavity is a square cavity matching with the brick body, and the second connecting member is disposed at each corner of the brick body.
The beneficial effect of adopting the above optional scheme is: the anti deformability of the brick body has been improved to first connecting piece and second connecting piece are screwed up the operation from the cold face side of brick, make first connecting piece and second connecting piece keep away from the brick hot side, and when the wearing and tearing appear in the brick hot side, first connecting piece and second connecting piece keep intact, avoid the brick body to drop increase of service life.
The blast furnace comprises the water-cooling-free furnace throat steel brick and a furnace shell, wherein the furnace throat steel brick is arranged in the furnace shell and is connected with the furnace shell through a first connecting piece and a second connecting piece.
Optionally, the first connecting piece and the second connecting piece are limit bolts, and locking nuts of the first connecting piece and the second connecting piece are arranged on the outer side of the furnace shell.
The blast furnace has the beneficial effects that: strong anti-deformation capability, slows down the damage of the furnace throat steel bricks, avoids influencing the smooth operation of the blast furnace and prolongs the service life of the blast furnace.
Drawings
FIG. 1 is a front view of a water-cooling-free throat steel brick according to an embodiment of the present invention;
FIG. 2 is a side view of a water-cooled furnace throat brick according to an embodiment of the present invention;
fig. 3 is an installation schematic diagram of a throat steel brick without water cooling of the embodiment of the utility model.
Description of reference numerals
1, brick body;
11, steel brick cold surface;
12 hot surface of the steel brick;
13 a cavity;
14 reinforcing ribs;
15 a first mounting hole;
16 second mounting holes;
2 a first connecting member;
3 second connecting piece
4 furnace shell.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
It should be understood that the terms "upper", "lower", "left", "right", "middle" and "one" used herein are for clarity of description, and are not intended to limit the scope of the invention, but rather the scope of the invention.
As shown in figures 1 to 3, the utility model discloses a no water cooling furnace throat brick, including the brick body 1, the brick body 1 includes brick cold side 11 and brick hot side 12, is equipped with cavity 13 with brick cold side 11 and brick hot side 12 separate in the brick body 1, can fill air or other inert gas in the cavity 13, plays thermal-insulated effect through cavity 13. Reinforcing ribs 14 which are distributed in a crossed manner are arranged in the cavity 13, a first connecting piece 15 which is connected with the blast furnace shell 4 is arranged on one side, close to the steel brick cold surface 11, of the cross of the reinforcing ribs 14, and a second connecting piece 3 which is connected with the blast furnace shell 4 is arranged on the periphery of one end, close to the steel brick cold surface 11, of the brick body 1. Be equipped with the first mounting hole 15 that is used for installing first connecting piece 2 on the brick body 1 and the second mounting hole 16 that is used for installing second connecting piece 3, be equipped with convex lug on one side that the brick body 1 is close to stove outer covering 4, first mounting hole 15 and second mounting hole 16 can set up on the lug that corresponds, set up first mounting hole 15 and second mounting hole 16 on the lug and be convenient for guarantee the intensity of the brick body, it is also more convenient with stove outer covering assembly screw operation simultaneously to the brick body.
As shown in fig. 1 to 3, the brick body 1 may be a rectangular parallelepiped, the cavity 13 may be a square cavity matching with the brick body, the second connecting member 3 is disposed at each corner of the brick body 1, that is, the second connecting member 3 is mounted at each top corner of the brick body 1, the connection is firm, and the deformation force at the corner is large, and the second connecting member is disposed at the corner of the brick body to effectively absorb the deformation force of the brick body. First connecting piece 2, second connecting piece 3 all can be spacing bolt, and during the installation, first connecting piece 2, second connecting piece 3 stretch into the brick body 1 by the cold face 11 of brick for steel brick hot face 12 is kept away from to first connecting piece 2 and second connecting piece 3, avoids causing the brick body 1 to drop because of the damage of steel brick hot face 12.
As shown in fig. 1 to 3, the reinforcing rib 14 can be cross-shaped in cross distribution, the cavity 13 is a square cavity, four end faces of the reinforcing rib 14 are respectively connected with the middle parts of four side walls of the square cavity, the reinforcing rib 14 and the brick body can be integrally formed, and the first connecting piece 2 is arranged at the cross position of the cross-shaped reinforcing rib, so that the inner wall of the cavity can be stably supported through the first connecting piece, the second connecting piece and the reinforcing rib, the stress of the brick body is uniformly distributed, and the deformation of the brick body due to the uneven local stress is relieved.
The reinforcing ribs 14 can also be distributed in a crossed manner to form a shape like a Chinese character 'mi', or the reinforcing ribs can also be distributed in a crossed manner to form a grid, first connecting pieces are arranged at the crossed positions of the reinforcing ribs, the periphery and the middle of the brick body can be uniformly stressed through the matching of the first connecting pieces and the second connecting pieces, and the brick body is prevented from being damaged due to overlarge local deformation.
As shown in fig. 3, the utility model discloses a blast furnace, including the above-mentioned no water-cooling furnace throat brick iron, still include stove outer covering 4, the brick body 1 of furnace throat brick iron is installed in stove outer covering 4 to be connected with stove outer covering 4 through first connecting piece 2 and second connecting piece 3. First connecting piece 2 and second connecting piece 3 can be spacing bolt, the lock nut setting of first connecting piece 2 and second connecting piece 3 is in the outside of stove outer covering 4, keep away from the brick hot side promptly, adopt the cold face mode of screwing up to make brick body and stove outer covering fastening connection, even 12 wearing and tearing or deformation of brick hot side, first connecting piece 2 and second connecting piece 3 also can be with the brick body fastening on stove outer covering 4, avoid the brick body to drop, increase of service life.
The utility model discloses a no water cooling furnace throat brick iron need not to adopt the water-cooling, can avoid leaking the trouble of bringing because of the water-cooling structure, and through the cavity, the strengthening rib, first connecting piece, the rational arrangement cooperation of second connecting piece realizes being connected of the cold face of brick iron and the hot face of brick iron, make the deformation transmission of the hot face of brick iron to the strengthening rib, on first connecting piece and the second connecting piece, the strengthening rib, the deformation of the brick body has been absorbed to first connecting piece and second connecting piece, improve the anti deformability of the brick body, prevent that the brick body protrusion is out of shape, and the service life is prolonged.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims (10)

1. The utility model provides a no water-cooling furnace throat steel brick which characterized in that: the brick comprises a brick body, the brick body includes the cold face of brick iron and the hot face of brick iron, the internal cavity that separates the cold face of brick iron and the hot face of brick iron that is equipped with of brick, be equipped with cross distribution's strengthening rib in the cavity, and the strengthening rib cross section is equipped with the first connecting piece that is used for being connected with the blast furnace stove outer covering on being close to one side of the cold face of brick iron, the brick body is equipped with the second connecting piece that is used for being connected with the blast furnace stove outer covering on being close to the periphery of the cold face one end of brick iron.
2. The water-cooling-free throat steel brick as claimed in claim 1, wherein: the reinforcing ribs are distributed in a crossed manner.
3. The water-cooling-free throat steel brick as claimed in claim 2, wherein: the cavity is square cavity, the strengthening rib is connected with the middle part of each lateral wall in square cavity respectively.
4. The water-cooling-free throat steel brick as claimed in claim 1, wherein: the reinforcing ribs are distributed in a crossed manner in a shape like a Chinese character 'mi'.
5. The water-cooling-free throat steel brick as claimed in claim 1, wherein: the reinforcing ribs are distributed in a grid shape in a crossed mode.
6. The water-cooling-free throat steel brick as claimed in claim 1, wherein: the first connecting piece and the second connecting piece are both limiting bolts.
7. The water-cooling-free throat steel brick according to claim 6, wherein: the first connecting piece and the second connecting piece extend into the brick body from the cold surface of the steel brick.
8. The water-cooled furnace throat steel brick as claimed in any one of claims 1 to 7, wherein: the brick body is the cuboid shape, the cavity is the square chamber that matches with the brick body shape, the second connecting piece sets up in each bight of the brick body.
9. A blast furnace comprising the water-cooled throat brick according to any one of claims 1 to 8, wherein: the furnace is characterized by further comprising a furnace shell, wherein the furnace throat steel bricks are installed in the furnace shell and are connected with the furnace shell through a first connecting piece and a second connecting piece.
10. A blast furnace as defined in claim 9, wherein: the first connecting piece and the second connecting piece are limit bolts, and locking nuts of the first connecting piece and the second connecting piece are arranged on the outer side of the furnace shell.
CN201920533217.7U 2019-04-19 2019-04-19 No water cooling furnace throat steel brick and blast furnace Active CN209872996U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920533217.7U CN209872996U (en) 2019-04-19 2019-04-19 No water cooling furnace throat steel brick and blast furnace

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920533217.7U CN209872996U (en) 2019-04-19 2019-04-19 No water cooling furnace throat steel brick and blast furnace

Publications (1)

Publication Number Publication Date
CN209872996U true CN209872996U (en) 2019-12-31

Family

ID=68960884

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920533217.7U Active CN209872996U (en) 2019-04-19 2019-04-19 No water cooling furnace throat steel brick and blast furnace

Country Status (1)

Country Link
CN (1) CN209872996U (en)

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