CN209906818U - A blast furnace top distribution chute that prevents deformation - Google Patents

Abstract

The utility model relates to the technical field of blast furnace auxiliary equipment, in particular to a blast furnace top distribution chute for preventing deformation. The tank body is connected, the inner wall of the tank is provided with a first lining board, a second lining board and a third lining board, the first lining board is clamped with the left side wall of the third lining board, the second lining board and the third lining board are The right side wall is clamped, the first lining board and the second lining board are both provided with a first buffer board, the third lining board is provided with a second buffer board, and the third lining board is also provided with a plurality of equidistant parallel arrangements The ribs are provided with tie rods between the ribs. The beneficial effects are as follows: the utility model is simple in structure and low in cost; the first lining plate, the second lining plate and the third lining plate can effectively prevent the occurrence of accidents such as serious deformation, breakage and falling off of the groove body, and prolong the use of the groove body life, reduce the number of times of replacing the tank body, and have better economic benefits.

Description

A blast furnace top distribution chute that prevents deformation

technical field

The utility model relates to the technical field of blast furnace auxiliary equipment, in particular to a blast furnace top distribution chute for preventing deformation.

Background technique

The blast furnace top distribution chute is an important production equipment used to control the distribution of the charge charged into the blast furnace on the charge surface. The working conditions of the equipment are very bad, and it has to withstand the erosion of high-temperature airflow and the impact and wear of millions of tons of raw materials. Under such working conditions, the life of the large blast furnace chute is short, and uncertain accidents often occur, such as severe deformation of the tank body, burning damage, and fracture of the connection between the body and the goose head body. Therefore, it is of great significance to develop a blast furnace top distribution chute that prevents deformation.

Utility model content

The purpose of the utility model is to provide a blast furnace top distribution chute that prevents deformation, so as to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a blast furnace top distribution chute for preventing deformation, comprising a trough body, the trough body is provided with a goose head body integrally formed with it, and the goose head body is bolted to strengthen The reinforcing plate is bolted to the groove body, and the inner wall of the groove is provided with a first lining plate, a second lining plate and a third lining plate, and the first lining plate and the second lining plate are vertical with respect to the third lining plate Symmetric on the straight center axis, the first lining plate is clamped with the left side wall of the third lining plate, the second lining plate is clamped with the right side wall of the third lining plate, the first lining plate and the second lining plate are clamped Each is provided with a first buffer plate, the third lining plate is provided with a second buffer plate, and the third lining plate is also provided with a plurality of rib plates arranged in parallel at equal intervals, and there are rib plates passing through them. Pull rod.

Preferably, a steel block is welded to the front and rear side walls of the tank body near the outlet, and three steel plates are arranged between the steel blocks, and the ends of the steel plates are bolted to the steel blocks.

Preferably, the first lining plate, the second lining plate and the third lining plate are all circular arc plates, the inner diameter of the first lining plate, the inner diameter of the second lining plate and the inner diameter of the third lining plate are all equal, and the outer diameters of the first lining plate, the second lining plate and the third lining plate are all equal Equal to the inner diameter of the groove, the first lining plate and the second lining plate are respectively provided with projections integrally formed therewith, and the third lining plate is provided with grooves matching with the projections.

Preferably, the bump is any one of a triangular block, a semicircle, a dovetail block, or a T-shaped block, and the upper surface of the bump is equal to the upper surface of the first liner and the upper surface of the second liner respectively. It is smooth with the surface of the third lining board, and when the first lining board and the second lining board are respectively clamped with the third lining board, the protrusions are just completely embedded in the grooves.

Preferably, the first buffer plate and the second buffer plate are both circular arc plates, and the surfaces of the first buffer plate and the second buffer plate are coated with a wear-resistant coating, and the second buffer plate and the rib are equally spaced Staggered arrangement.

Preferably, the rib is fan-shaped, the top of the rib is rounded, and each rib is provided with two tie rods, and the tie rods are welded to the rib.

Compared with the prior art, the beneficial effects of the present utility model are:

1. The utility model is simple in structure and low in cost. The first lining plate, the second lining plate and the third lining plate can effectively prevent the occurrence of accidents such as serious deformation, breakage and falling off of the groove body, and prolong the service life of the groove body. Reduce the number of tank replacements, with better economic benefits;

2. The rib plate of the utility model avoids the excessive impact force of the material flow, reduces the impact of the material on the first lining plate and the second lining plate, and ensures uniform material flow, and the tie rod makes the spacing of each rib plate constant to avoid the occurrence of rib plates. fracture;

3. The first buffer plate and the second buffer plate can be replaced quickly. The first buffer plate not only reduces the scouring effect of the material on the first lining plate and the second lining plate, but also reduces the material on the first lining plate and the second lining plate. The wear of the lining plate reduces the impact of the material on the third lining plate through the second buffer plate, so that the first lining plate, the second lining plate and the third lining plate are durable.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is A-A sectional structure schematic diagram in Fig. 1;

FIG. 3 is a schematic structural diagram of the second lining plate and the third lining plate in the utility model.

In the figure: 1 groove body, 2 goose head body, 3 reinforcing plate, 4 first lining plate, 5 second lining plate, 6 third lining plate, 7 first buffer plate, 8 second buffer plate, 9 rib plate, 10 pull rods, 11 card blocks, 12 card slots, 13 steel blocks, 14 steel plates.

Detailed ways

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. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to FIGS. 1 to 3, the present utility model provides a technical solution: a blast furnace top distribution chute for preventing deformation, comprising a trough body 1, and the trough body 1 is provided with a goose head body 2 integrally formed therewith. 2. Bolts are connected to the reinforcement plate 3, and the reinforcement plate 3 is bolted to the groove body 1. The reinforcement plate 3 reinforces the weak point between the tank body 1 and the goose head body 2, avoids the failure of the blast furnace distribution chute caused by the breakage of the goose head body 2, ensures the reliability of the blast furnace distribution chute, and prolongs the blast furnace distribution chute. service life. A steel block 13 is respectively welded on the front and rear side walls of the tank body 1 near its outlet, and three steel plates 14 are arranged between the steel blocks 13 . The steel plate 14 ensures that the tank body 1 has sufficient inward pulling force to avoid deformation when the tank body 1 is heated and expanded.

As shown in FIG. 2 , the inner wall of the tank body 1 is provided with a first lining plate 4 , a second lining plate 5 and a third lining plate 6 , and the first lining plate 4 and the second lining plate 5 are about the vertical center of the third lining plate 6 Axisymmetric, the side wall of the first lining plate 4 and the left side wall of the second lining plate 5 are provided with bolt holes, and the first lining plate 4 and the second lining plate 5 are fixed on the inner wall of the tank body 1 by bolts. The first lining plate 4, the second lining plate 5 and the third lining plate 6 are all circular arc plates, the inner diameter of the first lining plate 4, the inner diameter of the second lining plate 5 and the inner diameter of the third lining plate 6 are all equal, and their outer diameters are equal. Both are equal to the inner diameter of the groove body 1 , the first lining plate 4 and the second lining plate 5 are respectively provided with a convex block 11 integrally formed therewith, and the third lining plate 6 is provided with a groove 12 matching the convex block 11 . The bump 11 is semicircular, and the upper surface of the bump 11 is respectively equal to the upper surface of the first lining plate 4, the upper surface of the second lining plate 5 and the upper surface of the third lining plate 6. When the first lining plate 4 and the third lining plate 6 are smooth, When the second lining plate 5 is clamped with the third lining plate 6 respectively, the protrusions 11 are just completely embedded in the grooves 12 . The first lining plate 4 is clamped to the left side wall of the third lining plate 6, and the second lining plate 5 is clamped to the right side wall of the third lining plate 6, so that the third lining plate 6 can be well restrained in the groove In the body 1 , in order to further improve the stability of the third lining plate 6 in the groove body 1 , the third lining plate 6 is also provided with bolt holes, and the third lining plate 6 is bolted to the groove body 1 . The first lining plate 4, the second lining plate 5 and the third lining plate 6 can effectively prevent the occurrence of accidents such as serious deformation, breakage and falling off of the tank body 1, prolong the service life of the tank body 1, and reduce the number of times of replacing the tank body 1. , with better economic benefits.

The first lining plate 4 and the second lining plate 5 are respectively bolted to a first buffer plate 7, and the third lining plate 6 is bolted to a plurality of second buffer plates 8. The first buffer plate 7 and the second buffer plate 8 are both Arc plate, and the surfaces of the first buffer plate 7 and the second buffer plate 8 are coated with a wear-resistant coating. The first buffer plate 7 and the second buffer plate 8 can be quickly replaced. The first buffer plate 7 not only reduces the scouring effect of the material on the first lining plate 4 and the second lining plate 5, but also reduces the material on the first lining plate 4. , The wear of the second lining plate 5, the second buffer plate 8 reduces the impact of the material on the third lining plate 6, and the first lining plate 4, the second lining plate 5 and the third lining plate 6 are durable.

The third lining plate 6 is also provided with a plurality of ribs 9 arranged in parallel at equal intervals, and the second buffer plate 8 and the ribs 9 are staggered at equal intervals. The rib 9 is fan-shaped, and the top of the rib 9 is rounded. Each rib 9 is provided with two tie rods 10 , and the tie rods 10 are welded to the rib 9 . The rib plate 9 avoids excessive impact force of the material flow, reduces the impact of the material on the first lining plate 4 and the second lining plate 5, and ensures uniform material flow. deformed.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A blast furnace top distribution chute for preventing deformation, comprising a trough body (1), characterized in that: the trough body (1) is provided with a goose head body (2) integrally formed with it, and the goose head body ( 2) Bolting the reinforcing plate (3), the reinforcing plate (3) is bolted to the groove body (1), and the inner wall of the groove body (1) is provided with a first lining plate (4) and a second lining plate (5) and a third lining plate (6), the first lining plate (4) and the second lining plate (5) are symmetrical about the vertical center axis of the third lining plate (6), the first lining plate (4) and the third lining plate (6) The left side wall of the lining board (6) is clamped, the second lining board (5) is clamped with the right side wall of the third lining board (6), the first lining board (4) and the second lining board (5) Each is provided with a first buffer plate (7), the third lining plate (6) is provided with a second buffer plate (8), and the third lining plate (6) is also provided with a plurality of equidistant parallel plates The rib plates (9) are arranged, and a tie rod (10) is passed between the rib plates (9). 2. A blast furnace top distribution chute for preventing deformation according to claim 1, characterized in that: a steel block (13) is respectively welded on the front and rear side walls of the tank body (1) near its outlet, Three steel plates (14) are arranged between the steel blocks (13), and the ends of the steel plates (14) are bolted to the steel blocks (13). 3. A blast furnace top distribution chute for preventing deformation according to claim 1, characterized in that: the first lining plate (4), the second lining plate (5) and the third lining plate (6) are all It is a circular arc plate, the inner diameter of the first lining plate (4), the inner diameter of the second lining plate (5) and the inner diameter of the third lining plate (6) are all equal, and their outer diameters are all equal to the inner diameter of the groove body (1). The first lining plate (4) and the second lining plate (5) are respectively provided with projections (11) integrally formed therewith, and the third lining plate (6) is provided with grooves matching with the projections (11). (12). 4. The blast furnace top distribution chute for preventing deformation according to claim 3, characterized in that: the convex block (11) is a triangular block, or a semicircle, or a dovetail block, or any of the T-shaped blocks. One, and the upper surface of the bump (11) is respectively equal to the upper surface of the first lining plate (4), the upper surface of the second lining plate (5) and the upper surface of the third lining plate (6), when the first lining plate (6) is smooth When the plate (4) and the second lining plate (5) are respectively clamped with the third lining plate (6), the protrusions (11) are just completely embedded in the grooves (12). 5. A blast furnace top distribution chute for preventing deformation according to claim 1, characterized in that: the first buffer plate (7) and the second buffer plate (8) are arc plates, and the first buffer plate (7) and the second buffer plate (8) are arc plates, and the first The surfaces of the buffer plate (7) and the second buffer plate (8) are both coated with a wear-resistant coating, and the second buffer plate (8) and the rib plates (9) are staggered at equal intervals. 6. A blast furnace top distribution chute for preventing deformation according to claim 1, characterized in that: the rib (9) is fan-shaped, the top of the rib (9) is rounded, and each rib ( 9) Two tie rods (10) are pierced through it, and the tie rods (10) are welded with the rib plate (9).

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