CN214032634U

CN214032634U - Be applied to vertical bright annealing stove export sealing device of steel band production

Info

Publication number: CN214032634U
Application number: CN202022467945.8U
Authority: CN
Inventors: 王伟祺; 白皓
Original assignee: Wuhan Qianye Engineering & Technology Co ltd
Current assignee: Wuhan Qianye Engineering & Technology Co ltd
Priority date: 2020-10-30
Filing date: 2020-10-30
Publication date: 2021-08-24
Anticipated expiration: 2030-10-30

Abstract

The utility model relates to a be applied to vertical bright annealing stove export sealing device of steel band production, including setting up in drain pan, sealed roller set and the shutoff mechanism of bright annealing stove bottom, the roof middle part of drain pan is equipped with the unloading hole that supplies the interior steel band of stove to pass, the diapire middle part of drain pan corresponds the position of unloading hole below is equipped with the steel band export that supplies the steel band to pass, sealed roller set includes the rotatable sealed roller of installing in the drain pan lower extreme of a pair of parallel and level, and is a pair of sealed roller distribute in the below both sides of steel band export form the punishment in advance clearance that is used for pulling the steel band and passes between the two, shutoff mechanism set up in on the drain pan lateral wall, be used for the warp shutoff in the drain pan unloading hole or open. The advantages are that: the structure design is simple and reasonable, and the condition that the steel belt falls down after being accidentally broken in the furnace to damage the sealing roller under the high-temperature condition of the steel belt is effectively prevented.

Description

Be applied to vertical bright annealing stove export sealing device of steel band production

Technical Field

The utility model relates to a steel band production and processing technology, in particular to a vertical bright annealing furnace outlet sealing device applied to steel band production.

Background

In the steel strip annealing process, because the existing annealing furnace outlet sealing device can not block the blanking hole at any time, in the production process, if the strip steel in the furnace has a strip breakage accident, the high-temperature strip steel in the furnace can fall to the position of the outlet seal, and the high-temperature strip steel can damage a seal roller (rubber roller) on the outlet sealing device, so that equipment failure is caused, and the continuous production of the strip steel is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a vertical bright annealing furnace outlet sealing device applied to steel strip production is provided, which effectively overcomes the defects of the prior art.

The utility model provides an above-mentioned technical problem's technical scheme as follows:

the utility model provides a be applied to vertical bright annealing stove export sealing device of steel band production, including setting up in the drain pan of bright annealing stove bottom, sealing roller set and shutoff mechanism, the roof middle part of above-mentioned drain pan is equipped with the unloading hole that supplies the interior steel band vertical pass of stove, the position that the diapire middle part of above-mentioned drain hole below corresponds of above-mentioned drain hole is equipped with the steel band export that supplies the steel band to pass, above-mentioned sealing roller set includes the rotatable sealing roller who installs in the drain pan lower extreme of a pair of parallel and level, a pair of above-mentioned sealing roller distributes in the below both sides of above-mentioned steel band export, form the punishment in advance clearance that is used for pulling the steel band and passes between the two, above-mentioned shutoff mechanism sets up on above-mentioned drain pan lateral wall, be used for above-mentioned unloading hole of shutoff in the above-mentioned drain pan or open.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Furthermore, the lower end edge of the bottom wall of the bottom shell extends downwards to form an extension shell, two ends of the sealing roller set are respectively and rotatably connected with the side walls of the two opposite ends of the extension shell, and sealing gaskets extending to be close to the roller surface on the upper surface of the sealing roller set are respectively installed on the inner walls of the periphery of the extension shell.

Further, above-mentioned shutoff mechanism includes two telescoping device and two shutoff pieces, two above-mentioned shutoff pieces all are located above-mentioned drain pan, and level and the spaced both sides that set up in above-mentioned unloading hole below respectively, two above-mentioned telescoping device slope respectively install on the relative both sides lateral wall of above-mentioned drain pan, and the flexible end of the two all stretches into in above-mentioned drain pan, and respectively the one-to-one with two above-mentioned shutoff pieces be connected fixedly, two above-mentioned telescoping device are used for ordering about two above-mentioned shutoff pieces slope rebound in step and laminate each other, and laminate in above-mentioned drain pan roof lower extreme, and block up above-mentioned unloading hole completely, or order about two above-mentioned shutoff pieces slope rebound in step and keep away from to opening above-mentioned unloading hole.

Furthermore, the telescopic devices are all cylinders, and piston rods of the telescopic devices penetrate through the side walls of the corresponding sides of the bottom shell.

Furthermore, the side walls of the two opposite sides of the bottom shell are inclined towards the inner side of the lower part.

Further, the blanking hole and the steel strip outlet are rectangular holes.

The utility model has the advantages that: the structure design is simple and reasonable, and the condition that the steel belt falls down after being accidentally broken in the furnace to damage the sealing roller under the high-temperature condition of the steel belt is effectively prevented.

Drawings

FIG. 1 is a schematic view of the external structure of the vertical bright annealing furnace outlet sealing device applied to steel strip production of the present invention;

FIG. 2 is a schematic structural view of the vertical bright annealing furnace outlet sealing device for steel strip production, when the blanking hole is opened by the plugging mechanism;

FIG. 3 is a schematic structural view of the vertical bright annealing furnace outlet sealing device for steel strip production, in which a blanking hole is plugged by a plugging mechanism;

fig. 4 is a schematic structural view of the vertical bright annealing furnace outlet sealing device applied to steel strip production.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a bottom case; 2. a seal roller set; 3. a plugging mechanism; 11. a blanking hole; 12. a steel strip outlet; 13. an extension case; 14. sealing gaskets; 31. a telescoping device; 32. and (6) a plugging block.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example (b): as shown in fig. 1, 2 and 3, the vertical bright annealing furnace outlet sealing device applied to steel strip production in the embodiment includes a bottom shell 1 disposed at the bottom of a bright annealing furnace, a sealing roller set 2 and a plugging mechanism 3, a blanking hole 11 for a steel strip in the furnace to vertically pass through is disposed in the middle of the top wall of the bottom shell 1, a steel strip outlet 12 for the steel strip to pass through is disposed in the middle of the bottom wall of the bottom shell 1 corresponding to the position below the blanking hole 11, the sealing roller set 2 includes a pair of parallel and horizontally rotatable sealing rollers mounted at the lower end of the bottom shell 1, a pair of the sealing rollers are distributed at two sides below the steel strip outlet 12, a material passing gap for pulling the steel strip to pass through is formed between the sealing rollers, and the plugging mechanism 3 is disposed on the side wall of the bottom shell 1 and is used for plugging or opening the blanking hole 11 through the bottom shell 1.

The using process is as follows:

the plugging mechanism 3 is an automatic operation mechanism, which is connected with a control system of the bright annealing furnace, a monitoring system for monitoring the state (whether to break) of the steel belt in the furnace is arranged in the bright annealing furnace, when the steel belt a normally operates, finally, the waste water flows out through the discharging hole 11, passes through a material passing gap between two sealing rollers of the sealing roller group 2, is slowly discharged downwards under the traction of the two sealing rollers, when the steel band breaks off in the stove, annealing stove monitoring system can in time monitor, and feed back to control system, control system controls plugging mechanism 3 again and lives down feed hole 11 through quick shutoff in the drain pan 1, ensure that the steel band high temperature section of taking exercise can not pass down feed hole 11, make the high temperature section of steel band not have the chance to drop on sealed roller set, guarantee sealed roller set 2 is not impaired, whole sealing device reasonable in design, can effectually prevent that the steel band from dropping and damaging the situation emergence of sealed roller under self high temperature condition behind the unexpected fracture in the stove.

It should be noted that: one end of any one of the above-mentioned sealing rollers is connected with a driving mechanism, as shown in fig. 4, the driving mechanism generally comprises a coupling 41, a speed reducer 42 and a motor 43, one end of the coupling 41 is connected with one end of the sealing roller, an output shaft of the speed reducer 42 is connected with the other end of the coupling 41, and an output shaft of the motor 43 is in transmission connection with an input shaft of the speed reducer 42.

In a preferred embodiment, an extension shell 13 extends downward from the lower edge of the bottom wall of the bottom shell 1, two ends of the seal roller set 2 are respectively rotatably connected to the side walls of the two opposite ends of the extension shell 13, and seal gaskets 14 extending to be close to the roller surface on the upper surface of the seal roller set 2 are respectively mounted on the peripheral inner walls of the extension shell 13.

In this embodiment, the cross section of the extension case 13 is generally designed to be rectangular, the lower ends of the inner sides of the four side walls of the extension case are connected with horizontal sealing gaskets 14, the sealing gaskets 14 on the four sides form a ring shape, and the inner edges of the sealing gaskets 14 extend to the positions where the upper roll surfaces of the sealing roll group 2 are nearly contacted, the sealing gaskets 14 are used for sealing the periphery of the sealing roll group 2, and the overflow of the protective gas in the furnace from the blanking hole 11 and the steel strip outlet 12 is reduced.

Generally, the outer edge of the sealing gasket 14 is fixedly connected to the inward flange on the inner side of the sidewall of the extension case 13, and the inner edge thereof is fixedly connected to the lower end of the bottom wall of the bottom case 1 by a connecting member, so that the sealing gasket 14 is stably mounted.

As a preferred embodiment, the plugging mechanism 3 includes two telescoping devices 31 and two plugging blocks 32, the two plugging blocks 32 are located in the bottom case 1 and horizontally and alternately disposed on two sides below the blanking hole 11, the two telescoping devices 31 are respectively installed on two opposite side walls of the bottom case 1 in an inclined manner, and telescopic ends of the two telescoping devices extend into the bottom case 1 and are respectively and fixedly connected with the two plugging blocks 32 in a one-to-one correspondence manner, the two telescoping devices 31 are configured to synchronously drive the two plugging blocks 32 to move upwards in an inclined manner and to be attached to each other and to be attached to a lower end of a top wall of the bottom case 1, and completely plug the blanking hole 11, or synchronously drive the two plugging blocks 32 to move downwards in an inclined manner and to be away from the blanking hole 11.

In this embodiment, the two blocking blocks 32 are driven to approach each other and block the blanking hole 11 in the splayed track by the synchronous operation of the two telescopic devices 31, or to open the blanking hole 11 away from each other, so that the overall structure design is compact and ingenious, and the blocking effect is good.

In a preferred embodiment, the telescopic devices 31 are all cylinders, and their piston rods all penetrate through the corresponding side walls of the bottom case 1.

In this embodiment, the expansion device 31 is driven by air compression during operation, which is more environment-friendly and more convenient to use.

In a preferred embodiment, the opposite side walls of the bottom case 1 are inclined downward and inward.

In this embodiment, the opposite side walls of the bottom case 1 are symmetrically inclined, and the inclination angle of the side walls is perpendicular to the extension path of the piston rod of the extension device 31, which is beneficial to the installation of the extension device 31.

Preferably, the blanking hole 11 and the steel strip outlet 12 are both rectangular holes, the width between the two sides is greater than the thickness of the steel strip, and the length between the two ends is greater than the width of the steel strip.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a be applied to vertical bright annealing stove export sealing device of steel band production which characterized in that: the device comprises a bottom shell (1) arranged at the bottom of a bright annealing furnace, a sealing roller set (2) and a plugging mechanism (3), wherein a blanking hole (11) for a steel belt in the furnace to vertically pass through is formed in the middle of the top wall of the bottom shell (1), a steel belt outlet (12) for the steel belt to pass through is formed in the position, below the blanking hole (11), of the middle of the bottom wall of the bottom shell (1), the sealing roller set (2) comprises a pair of parallel and horizontally rotatable sealing rollers arranged at the lower end of the bottom shell (1), the pair of sealing rollers are distributed on two sides below the steel belt outlet (12), a material passing gap for pulling the steel belt to pass through is formed between the sealing rollers and the two sealing rollers, and the plugging mechanism (3) is arranged on the side wall of the bottom shell (1) and is used for plugging the blanking.

2. The vertical bright annealing furnace outlet sealing device applied to steel strip production according to claim 1, characterized in that: the bottom wall lower extreme border department downwardly extending of drain pan (1) has extension shell (13), the both ends of sealed roller set (2) respectively with extend the relative both ends lateral wall of shell (13) and rotate and be connected, install respectively on extending shell (13) inner wall all around and extend and be close to sealed gasket (14) of sealed roller set (2) upper surface roll surface.

3. The vertical bright annealing furnace outlet sealing device applied to steel strip production according to claim 1, characterized in that: the plugging mechanism (3) comprises two telescopic devices (31) and two plugging blocks (32), the two plugging blocks (32) are both positioned in the bottom shell (1), and are respectively horizontally arranged at two sides below the blanking hole (11) at intervals, two telescopic devices (31) are respectively and obliquely arranged on the side walls of two opposite sides of the bottom shell (1), and the telescopic ends of the two telescopic devices extend into the bottom shell (1), and are respectively and correspondingly connected and fixed with the two plugging blocks (32) one by one, the two telescopic devices (31) are used for synchronously driving the two plugging blocks (32) to move upwards in an inclined way and be mutually jointed, and is attached to the lower end of the top wall of the bottom shell (1) and completely blocks the blanking hole (11), or synchronously driving the two plugging blocks (32) to move obliquely downwards and away from the blanking hole (11) to be opened.

4. The vertical bright annealing furnace outlet sealing device applied to steel strip production according to claim 3, characterized in that: the telescopic devices (31) are all cylinders, and piston rods of the telescopic devices penetrate through the side walls of the corresponding sides of the bottom shell (1).

5. The vertical bright annealing furnace outlet sealing device applied to steel strip production according to any one of claims 1 to 4, characterized in that: the two opposite side walls of the bottom shell (1) are inclined towards the lower inner side.

6. The vertical bright annealing furnace outlet sealing device applied to steel strip production according to any one of claims 1 to 4, characterized in that: the blanking hole (11) and the steel strip outlet (12) are both rectangular holes.