Sealing structure for walking beam type heating furnace vaporization cooling water beam stand column

Abstract

The utility model discloses a sealing structure for a walking beam type heating furnace vaporized cooling water beam stand column, which comprises a reducing connecting pipe, a flange, a flange blind plate, a bolt connecting piece and a metal edge-covered graphite gasket, a flange and a flange blind plate are mounted at the other end of the variable-diameter connecting pipe; the flange and the flange blind plate are tightly screwed through a bolt connecting piece, and a metal edge-covered graphite gasket used for preventing water leakage is arranged between the flange and the flange blind plate. According to the utility model, the pollution discharge form of the raw water beam upright post is thoroughly modified, the bottom of the raw water beam upright post is designed into a groove type structure and is directly welded with the matched reducing connecting pipe, so that welding points are reduced, unnecessary parts and pollution discharge pipelines are reduced, and the reducing connecting pipe adopts a supporting cup type structural design, so that the pollution discharge effect is enhanced, and the service life of the raw water beam upright post is prolonged. And the device is convenient to use and low in maintenance cost.

Description

Technical Field

[0001] The utility model relates to the technical field of walking beam type heating furnaces, in particular to a sealing structure for vaporization cooling water beam columns of walking beam type heating furnaces. Background Art

[0002] When the walking beam type heating furnace vaporization cooling water beam is shut down for maintenance, all the sewage valves will be opened to discharge the sewage accumulated in the water beam column to facilitate maintenance; the previously designed vaporization cooling water beam sealing device is as follows Figure 1 As shown in the figure, a section of steel pipe is connected to the lower end of the column. In actual production, this structure has many welding points, and a large amount of scale and impurities are accumulated at the lower end of the water beam column, which is easy to clog and brings inconvenience to production. Utility Model Content

[0003] The purpose of the utility model is to provide a sealing structure for the vaporization cooling water beam column of a walking beam type heating furnace. By improving the design of the original sewage discharge structure, the number of welding points is reduced and it is not easy to be blocked. The overall structure is simple to install and easy to use, and the production cost is saved, so as to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a sealing structure for a vaporization cooling water beam column of a walking beam heating furnace, comprising a reducing connecting pipe, a flange, a flange blind plate, a bolt connector and a metal-clad graphite gasket, one end of the reducing connecting pipe is welded to the opening at the bottom of the water beam column, and the other end of the reducing connecting pipe is installed with a flange and a flange blind plate; the flange and the flange blind plate are firmly tightened by a bolt connector, and a metal-clad graphite gasket is provided between the flange and the flange blind plate to prevent water leakage.

[0005] Preferably, the variable diameter connecting pipe includes a vertical section socket portion, an arc section transition portion and a narrow section interface portion from top to bottom, wherein the vertical section socket portion, the arc section transition portion and the narrow section interface portion are designed as an integrated cup-type structure.

[0006] Preferably, the bottom opening of the water beam column adopts a bevel design and is adapted to the diameter of the vertical section socket portion at the upper end of the variable diameter connecting pipe.

[0007] Preferably, the flange, flange blind plate, metal-wrapped graphite gasket and the diameter of the narrow section interface portion at the lower end of the reducer connecting pipe match.

[0008] Preferably, the flange is fixedly connected to the narrow section interface portion at the lower end of the reducer connecting pipe, the flange blind plate is sealed at the bottom of the narrow section interface portion, and the flange blind plate and the flange are detachably connected via a bolt connector.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0010] 1. This sealing structure for the vaporization cooling water beam column of the walking beam type heating furnace has been completely transformed by the original sewage discharge form of the water beam column. Its bottom is designed into a bevel structure and is directly welded to the matching reducing connecting pipe, which reduces welding points and unnecessary components and sewage pipes.

[0011] 2. This sealing structure for the vaporization cooling water beam column of the walking beam heating furnace adopts an integrated cup-type structure consisting of a vertical section socket, an arc section transition section and a narrow section interface section. It enhances the sewage discharge effect and completely drains the accumulated water and impurities in the water beam column. At the same time, with this structure, scale will not clog the drain pipe and it is easy to dredge. When discharging sewage, you only need to remove the flange blind plate, and the sewage from the water beam column will flow to the sump in the furnace through the reducing connecting pipe. It is easy to use and has low maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the sewage discharge structure of the original vaporization cooling water beam column;

[0013] Figure 2 It is a schematic diagram of the sewage discharge structure of the vaporization cooling water beam column of the utility model.

[0014] In the figure: 1. Reducer connecting pipe; 101. Socket portion of vertical section; 102. Transition portion of arc section; 103. Interface portion of narrow section; 2. Flange; 3. Blind flange plate; 4. Bolted connector; 5. Metal-wrapped graphite gasket; 6. Water beam column. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0016] See also Figure 1-2 In this embodiment, a sealing structure for a vaporization cooling water beam column of a walking beam heating furnace includes a reducing connecting pipe 1, a flange 2, a flange blind plate 3, a bolt connector 4, and a metal-clad graphite gasket 5. One end of the reducing connecting pipe 1 is welded to the opening at the bottom of the water beam column 6, and the other end of the reducing connecting pipe 1 is installed with the flange 2 and the flange blind plate 3; the flange 2 and the flange blind plate 3 are firmly tightened by the bolt connector 4, and a metal-clad graphite gasket 5 is provided between the flange 2 and the flange blind plate 3 to prevent water leakage.

[0017] In this embodiment, the reducer connecting pipe 1 includes, from top to bottom, a vertical section socket portion 101, an arc section transition portion 102 and a narrow section interface portion 103, wherein the vertical section socket portion 101, the arc section transition portion 102 and the narrow section interface portion 103 are designed as an integrated cup-type structure to increase the flow volume of the inner wall of the pipe. At the same time, the bottom opening of the water beam column 6 adopts a bevel design and is adapted to the diameter of the vertical section socket portion 101 at the upper end of the reducer connecting pipe 1.

[0018] In the above embodiment, the flange 2, the flange blind plate 3, and the metal-clad graphite gasket 5 match the pipe diameter of the narrow section interface portion 103 at the lower end of the reducer connecting pipe 1. The flange 2 is fixedly connected to the narrow section interface portion 103 at the lower end of the reducer connecting pipe 1. The flange blind plate 3 is sealed at the bottom of the narrow section interface portion 103. The flange blind plate 3 and the flange 2 are detachably connected by a bolt connector 4.

[0019] Working principle: The utility model has thoroughly transformed the sewage discharge form of the original water beam column 6, designed its bottom into a bevel structure, and directly welded it with the matching reducer connecting pipe 1, reducing welding points and unnecessary components and sewage pipes; secondly, the reducer connecting pipe 1 adopts an integrated cup-type structure composed of a vertical section socket part 101, an arc section transition part 102 and a narrow section interface part 103, which enhances the sewage discharge effect and completely drains the accumulated water and impurities in the water beam column 6. At the same time, with this structure, scale will not clog the drain pipe and it is convenient to dredge. When discharging sewage, you only need to remove the flange blind plate 3, and the sewage from the water beam column 6 will flow to the sump in the furnace through the reducer connecting pipe 1. It is easy to use and has low maintenance costs.

[0020] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0021] 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, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing structure for a vaporizing cooling water beam column of a walking beam type heating furnace, comprising a reducing connecting pipe (1), a flange (2), a flange blind plate (3), a bolt connector (4) and a metal-wrapped graphite gasket (5), characterized in that: One end of the reducing connecting pipe (1) is welded to the opening at the bottom of the water beam column (6), and the other end of the reducing connecting pipe (1) is installed with a flange (2) and a flange blind plate (3); the flange (2) and the flange blind plate (3) are firmly tightened by a bolt connector (4), and a metal-wrapped graphite gasket (5) for preventing water leakage is provided between the flange (2) and the flange blind plate (3).

2. The sealing structure for the vaporization cooling water beam column of a walking beam type heating furnace according to claim 1, characterized in that: The reducing connecting pipe (1) comprises, from top to bottom, a vertical section bell portion (101), an arc section transition portion (102) and a narrow section interface portion (103), wherein the vertical section bell portion (101), the arc section transition portion (102) and the narrow section interface portion (103) are designed as an integrated cup-type structure.

3. The sealing structure for the vaporization cooling water beam column of a walking beam type heating furnace according to claim 2, characterized in that: The bottom opening of the water beam column (6) adopts a bevel design and is adapted to the diameter of the vertical section socket portion (101) at the upper end of the variable diameter connecting pipe (1).

4. The sealing structure for the vaporization cooling water beam column of a walking beam type heating furnace according to claim 2, characterized in that: The flange (2), the flange blind plate (3), the metal-wrapped graphite gasket (5) and the diameter of the narrow section interface portion (103) at the lower end of the reducing connecting pipe (1) are matched.

5. The sealing structure for the vaporization cooling water beam column of a walking beam type heating furnace according to claim 4, characterized in that: The flange (2) is fixedly connected to the narrow section interface portion (103) at the lower end of the reducing connecting pipe (1), the flange blind plate (3) is sealed at the bottom of the narrow section interface portion (103), and the flange blind plate (3) and the flange (2) are detachably connected via a bolt connector (4).

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