CN215050433U - Stable structure of upper furnace type of blast furnace shaft - Google Patents
Stable structure of upper furnace type of blast furnace shaft Download PDFInfo
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- CN215050433U CN215050433U CN202121209977.6U CN202121209977U CN215050433U CN 215050433 U CN215050433 U CN 215050433U CN 202121209977 U CN202121209977 U CN 202121209977U CN 215050433 U CN215050433 U CN 215050433U
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Abstract
The utility model discloses a stable structure of the upper furnace profile of a blast furnace shaft, which relates to the technical field of blast furnace smelting equipment and comprises a cooling wall, a connecting tenon piece and an inlaid brick; the cooling wall is provided with a dovetail-shaped groove; the connecting tenon component comprises a sleeve body, a triangular clamping block and a wedge-shaped clamping column, the sleeve body is a hollow rectangular body with an opening at one end, and sliding grooves are symmetrically arranged on the upper end surface and the lower end surface of the sleeve body; the triangular clamping block is a trapezoidal table, the triangular clamping blocks are symmetrically arranged in the sliding groove, the upper bottom of the trapezoidal table on each triangular clamping block faces the opening end of the sleeve body, the lower bottom of the trapezoidal table on each triangular clamping block is in contact connection, and clamping holes are formed in the side wall of each triangular clamping block facing the sliding groove; the wedge-shaped clamping column is arranged in the clamping hole; the rear end face of the inlaid brick is provided with a clamping rod, the end, far away from the inlaid brick, of the clamping rod is provided with a trapezoidal push block, the bottom end of the trapezoidal push block is connected with the clamping rod, and the top end of the trapezoidal clamping block is located between the two triangular clamping blocks. The inlaid brick is firmly connected with the cooling wall, and the inlaid brick is convenient to replace after being damaged.
Description
Technical Field
The utility model relates to the technical field of blast furnace smelting equipment, in particular to a stable structure of an upper furnace body of a blast furnace.
Background
A blast furnace is a common smelting plant, in which a stave is an important cooling device of the blast furnace, and refractory bricks are inlaid on the stave. The cooling wall and the inlaid bricks are in a interdependent relationship, the cooling wall takes away heat of the inlaid bricks in time through cooling water, simultaneously plays a supporting role for the inlaid bricks and provides shell protection, and the inlaid bricks isolate the cooling wall from high temperature in the furnace to prevent the cooling wall from being directly exposed in a high-temperature environment; when the refractory bricks are inlaid, the dovetail-shaped groove is formed in the cooling wall through the through groove, the dovetail-shaped fixture block arranged on the inlaid brick is connected with the cooling wall, when the inlaid brick is mounted on the cooling wall at one time, a closing end needs to be arranged to facilitate mounting, and the closing end is complex to connect with the cooling wall and is easy to damage; in the production process, the inlaid bricks bear larger concentrated thermal stress, are easy to damage, break or even fall off, damage the protection of the cooling wall, and reduce the service life of the cooling wall, the blast furnace has irregular shape, unreasonable gas flow distribution, and is easy to generate local gas flow, the smooth operation of the blast furnace is difficult to maintain, the consumption index of the blast furnace is increased, the warp retention index of the blast furnace is deteriorated, and the production cost of the blast furnace is increased; the inlaid brick is damaged in the production process, and is difficult to replace at fixed points after being broken, so that the production is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve above-mentioned problem, designed the stable structure of blast furnace shaft upper portion stove type, it is firm to inlay the brick and be connected with the stave to it is convenient to change after inlaying the brick damage.
In order to solve the above technical problem and achieve the above technical effect, the utility model discloses a following technical content realizes:
the stable structure of the upper furnace type of the blast furnace shaft comprises a cooling wall, a connecting tenon piece and an inlaid brick; the cooling wall is provided with a dovetail-shaped groove;
the connecting tenon component comprises a sleeve body, a triangular clamping block and a wedge-shaped clamping column, the sleeve body is a hollow rectangular body with an opening at one end, and sliding grooves are symmetrically arranged on the upper end surface and the lower end surface of the sleeve body; the triangular clamping block is a trapezoidal table, the triangular clamping blocks are symmetrically arranged in the sliding groove, the upper bottom of the trapezoidal table on each triangular clamping block faces the opening end of the sleeve body, the lower bottom of the trapezoidal table on each triangular clamping block is in contact connection, and clamping holes are formed in the side wall of each triangular clamping block facing the sliding groove; the wedge-shaped clamping column is arranged in the clamping hole;
the rear end face of the inlaid brick is provided with a clamping rod, the end, far away from the inlaid brick, of the clamping rod is provided with a trapezoidal push block, the bottom end of the trapezoidal push block is connected with the clamping rod, and the top end of the trapezoidal clamping block is located between the two triangular clamping blocks.
Furthermore, the length of the clamping rod is consistent with the length from the opening end of the sleeve body to the edge of the clamping hole far away from the opening end of the sleeve body.
Furthermore, a boss is arranged in the dovetail-shaped groove.
Furthermore, the included angles formed by the upper bevel edge of the triangular clamping block and the upper bevel edge of the trapezoidal pushing block and the bottom edge and the top edge are equal.
Furthermore, a chamfer is arranged on the front end face of the inlaid brick.
Further, the length of the wedge-shaped clamping column is larger than the depth of the clamping hole.
Furthermore, when the edge of the bottom end of the trapezoidal push block is positioned at the edge of the clamping hole far away from the opening end of the sleeve body, a space exists between the triangular clamping block and the inner wall of the dovetail-shaped groove, and the end of the wedge-shaped clamping column is in contact connection with the inner wall of the dovetail-shaped groove.
The utility model has the advantages that:
through the arrangement of the dovetail-shaped groove, the sleeve body, the triangular clamping block, the wedge-shaped clamping column, the clamping rod and the trapezoidal push block, the sleeve body is firstly placed into the dovetail-shaped clamping groove, after the position of the embedded brick is adjusted to be proper, the embedded brick is pushed to enable the clamping rod to move towards the triangular clamping block, the trapezoidal push block at the end of the clamping rod moves towards the triangular clamping block along with the clamping rod, the two triangular clamping blocks are pushed to move towards opposite directions to enter the dovetail-shaped groove, when the bottom end edge of the trapezoidal push block moves to be located at the edge of the clamping hole far away from the opening end of the sleeve body, an interval exists between the triangular clamping block and the inner wall of the dovetail-shaped groove, the end of the wedge-shaped clamping column is in contact connection with the inner wall of the dovetail-shaped groove, the triangular clamping block is pushed to move towards the inner wall of the dovetail-shaped groove, the wedge-shaped clamping column is enabled to be downwards moved to be clamped with the bottom end of the trapezoidal push block close to the clamping rod, and the embedded brick is stably clamped on the cooling wall.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view showing the overall structure of the upper furnace profile stabilizing structure of the blast furnace body of the present invention;
FIG. 2 is a schematic view of the structure of the cooling wall and the inlaid bricks of the stable structure of the upper furnace type of the blast furnace body of the utility model;
FIG. 3 is a schematic structural view of the stable structure of the upper furnace type of the blast furnace body of the present invention after the brick mounting is completed;
in the drawings, the components represented by the respective reference numerals are listed below:
1-cooling wall, 2-embedding brick, 3-dovetail groove, 4-sleeve body, 5-triangular clamping block, 6-wedge-shaped clamping column, 7-clamping rod, 8-trapezoidal push block and 9-boss.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
For a clearer description of the present invention, the following description is made with reference to specific embodiments:
examples
Referring to fig. 1-3, the stable structure of the upper furnace type of the blast furnace shaft comprises a cooling wall 1, a connecting tenon and an inlaid brick 2; the cooling wall 1 is provided with a dovetail-shaped groove 3;
the connecting tenon component comprises a sleeve body 4, a triangular clamping block 5 and a wedge-shaped clamping column 6, the sleeve body 4 is a hollow rectangular body with an opening at one end, and sliding grooves are symmetrically arranged on the upper end surface and the lower end surface of the sleeve body 4; the triangular fixture block 5 is a trapezoidal table, the triangular fixture blocks 5 are symmetrically arranged in the sliding groove, the upper bottom of the trapezoidal table on the triangular fixture block 5 faces the opening end of the sleeve body 4, the lower bottom of the trapezoidal table on the triangular fixture block 5 is in contact connection, and the side wall of the triangular fixture block 5 facing the sliding groove is provided with a fixture hole; the wedge-shaped clamping column 6 is arranged in the clamping hole;
the rear end face of the inlaid brick 2 is provided with a clamping rod 7, the end, far away from the inlaid brick 2, of the clamping rod 7 is provided with a trapezoidal push block 8, the bottom end of the trapezoidal push block 8 is connected with the clamping rod 7, and the top end of the trapezoidal clamping block 8 is located between the two triangular clamping blocks 5.
The length of the clamping rod 7 is consistent with the length of the edge of the sleeve body 1 far away from the opening end of the sleeve body 1 to the clamping hole, and after the embedded brick 2 is pushed to drive the trapezoidal push block 8 to enter the triangular clamping block 5 to be clamped with the wedge-shaped clamping column 6, the rear end face of the embedded brick 2 is guaranteed to be tightly attached to the cooling wall 1.
Be equipped with boss 9 in the dovetail recess 3, inlay brick 2 installation back triangle fixture block 5 and boss 9 joint and make connection structure more firm.
The included angles formed by the inclined edges of the triangular clamping block 5 and the trapezoidal push block 8 and the bottom edge and the top edge are equal, so that the inclined edge of the trapezoidal push block 8, which is in contact with the triangular clamping block 5, is smooth, and the triangular clamping block 5 is convenient to push.
And a chamfer is arranged on the front end face of the inlaid brick 2.
The length of the wedge-shaped clamping column 6 is greater than the depth of the clamping hole.
When the bottom edge of trapezoidal ejector pad 8 was located the card hole and keeps away from the edge of set 1 open end, there was the interval between the inner wall of triangle fixture block 5 and dovetail recess 3, and the end of wedge card post 6 is connected with the inner wall contact of dovetail recess 3, and trapezoidal ejector pad 8 constantly promotes triangle fixture block 5 and removes towards the inner wall of dovetail recess 3 for wedge card post 6 moves down and is close to the bottom joint of kelly 7 with trapezoidal ejector pad 8, thereby will inlay stable joint of brick 2 on stave 1.
The utility model relates to a concrete application when the stable structure of blast furnace shaft upper portion stove type uses is:
during installation, the sleeve body is placed into the dovetail-shaped clamping groove firstly, after the position of the inlaid brick is adjusted to be proper, the inlaid brick is pushed to enable the clamping rod to move towards the triangular clamping block, the trapezoidal push block at the end of the clamping rod moves towards the triangular clamping block along with the clamping rod and pushes the two triangular clamping blocks to move towards opposite directions to enter the dovetail-shaped groove, when the bottom edge of the trapezoidal push block moves to be located at the edge of the clamping hole far away from the opening end of the sleeve body, an interval exists between the inner walls of the triangular clamping block and the dovetail-shaped groove, the end of the wedge-shaped clamping column is in contact connection with the inner wall of the dovetail-shaped groove, the trapezoidal push block continues to move along with the trapezoidal push block, the triangular clamping block moves towards the inner wall of the dovetail-shaped groove, the wedge-shaped clamping column moves downwards to be connected with the bottom end, close to the clamping rod, and the inlaid brick is stably clamped on the cooling wall.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The stable structure of blast furnace shaft upper portion stove type, its characterized in that: comprises a cooling wall (1), a connecting tenon piece and an inlaid brick (2); the cooling wall (1) is provided with a dovetail-shaped groove (3);
the connecting tenon piece comprises a sleeve body (4), a triangular clamping block (5) and a wedge-shaped clamping column (6), the sleeve body (4) is a hollow rectangular body with an opening at one end, and sliding grooves are symmetrically formed in the upper end surface and the lower end surface of the sleeve body (4); the triangular clamping blocks (5) are trapezoidal tables, the triangular clamping blocks (5) are symmetrically arranged in the sliding grooves, the upper bottoms of the trapezoidal tables on the triangular clamping blocks (5) face the opening end of the sleeve body (4), the lower bottoms of the trapezoidal tables on the triangular clamping blocks (5) are in contact connection, and clamping holes are formed in the side walls, facing the sliding grooves, of the triangular clamping blocks (5); the wedge-shaped clamping column (6) is arranged in the clamping hole;
the rear end face of the inlaid brick (2) is provided with a clamping rod (7), the end, far away from the inlaid brick (2), of the clamping rod (7) is provided with a trapezoidal push block (8), the bottom end of the trapezoidal push block (8) is connected with the clamping rod (7), and the top end of the trapezoidal push block is located between two triangular clamp blocks (5).
2. The upper furnace type stabilizing structure of a blast furnace shaft according to claim 1, characterized in that: the length of the clamping rod (7) is consistent with the length from the opening end of the sleeve body (4) to the edge of the clamping hole far away from the opening end of the sleeve body (4).
3. The upper furnace type stabilizing structure of a blast furnace shaft according to claim 1, characterized in that: a boss (9) is arranged in the dovetail-shaped groove (3).
4. The upper furnace type stabilizing structure of a blast furnace shaft according to claim 1, characterized in that: the included angles formed by the upper bevel edge of the triangular clamping block (5) and the upper bevel edge of the trapezoidal push block (8) and the bottom edge and the top edge are equal.
5. The upper furnace type stabilizing structure of a blast furnace shaft according to claim 1, characterized in that: and a chamfer is arranged on the front end face of the inlaid brick (2).
6. The upper furnace type stabilizing structure of a blast furnace shaft according to claim 1, characterized in that: the length of the wedge-shaped clamping column (6) is greater than the depth of the clamping hole.
7. The upper furnace type stabilizing structure of a blast furnace shaft according to claim 1, characterized in that: when the edge of the bottom end of the trapezoidal push block (8) is positioned at the edge of the clamping hole far away from the opening end of the sleeve body (4), a space exists between the triangular clamping block (5) and the inner wall of the dovetail-shaped groove (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121209977.6U CN215050433U (en) | 2021-06-01 | 2021-06-01 | Stable structure of upper furnace type of blast furnace shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121209977.6U CN215050433U (en) | 2021-06-01 | 2021-06-01 | Stable structure of upper furnace type of blast furnace shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215050433U true CN215050433U (en) | 2021-12-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121209977.6U Active CN215050433U (en) | 2021-06-01 | 2021-06-01 | Stable structure of upper furnace type of blast furnace shaft |
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| Country | Link |
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| CN (1) | CN215050433U (en) |
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2021
- 2021-06-01 CN CN202121209977.6U patent/CN215050433U/en active Active
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