Leaking stoppage device for flared pipe of gas pipeline

Abstract

The utility model belongs to the technical field of pipeline leaking stoppage treatment, and particularly discloses a leaking stoppage device for a gas pipeline flared pipe, which comprises a steel pipe, a steel plate is fixedly connected to the bottom of the steel pipe, the flared pipe is positioned under a gas pipe and communicated with the gas pipe, and the steel pipe covers the flared pipe. Arc-shaped plates are fixedly connected to the four faces of the end, close to the gas pipe, of the steel pipe, each arc-shaped plate is attached to the gas pipe, and a first fastening assembly used for fixing the steel pipe to the gas pipe is arranged on the steel pipe. In the prior art, coal gas conveying needs to be suspended when a horn pipe leaks coal gas, and economic losses are caused. According to the utility model, the closed cover-shaped structure which can be attached to the gas pipe is covered on the flared pipe, and the cover-shaped structure and the gas pipe are fixed together by the fastening assembly, so that the whole flared pipe can be conveniently sealed when the flared pipe is perforated; the gas in the gas pipe is prevented from leaking into the surrounding environment through the through holes in the horn pipe, so that the normal conveying of the gas is maintained.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline leakage plugging treatment, in particular to a leakage plugging device for a bell pipe of a gas pipeline. Background Technique

[0002] The coke oven gas generated in the production process of the metallurgical industry contains a large amount of saturated water, hydrogen sulfide and carbon dioxide. During the process of transporting gas by metal pipelines, hydrogen sulfide in the gas will form sulfides with condensed water inside the pipeline, while carbon dioxide will form carbonic acid. These substances will have a corrosive effect on the metal pipeline. In addition, the gas may also contain other corrosive substances, such as chlorides and ammonia, etc., and these substances will also accelerate the corrosion of the pipeline.

[0003] During the transportation of gas, as the temperature decreases, the saturated water in the gas will continuously precipitate. Therefore, a drainer needs to be set every 100 - 200 meters on the gas transmission pipeline to drain the condensed water in the pipeline and ensure the normal transmission of gas. A bell pipe is usually provided at the connection between the drain pipe of the drainer and the gas pipeline to drain the condensed water in the pipeline. However, the corrosive components in the gas are likely to cause corrosion of the bell pipe, and coupled with the scouring of the condensed water, it accelerates the corrosion and damage of the bell pipe. In addition, the environmental temperature in the north is low in winter. To prevent the drain pipe from freezing and blocking, a steam heat preservation sleeve is provided at the bell mouth, and thermal corrosion is also a reason for accelerating the damage of the bell mouth.

[0004] And the gas pipeline is usually erected along the roadside. If the bell pipe is corroded and there are perforations on the pipe wall, it will cause a large amount of gas leakage, which is extremely likely to cause personnel poisoning and fire accidents. The existing technical method for dealing with the perforation of the bell pipe is to cut off the gas supply emergently, stop the transportation, then purge the surrounding environment with inert gas to displace harmful gases, and finally repair the perforation of the bell pipe by welding or replace the bell pipe. However, using the above treatment method requires suspending the gas transmission, and the gas can only be transported continuously after the bell pipe is repaired or a new bell pipe is replaced. Suspending the gas transmission for a long time will cause certain economic losses. Content of the Utility Model

[0005] The purpose of the utility model is to provide a leakage plugging device for a bell pipe of a gas pipeline to solve the problem that the leakage of gas from the bell pipe requires suspending the gas transmission, which will lead to economic losses.

[0006] To achieve the above purpose, the basic scheme provided by the utility model is: a leakage plugging device for a bell pipe of a gas pipeline, including a steel pipe. A steel plate is fixedly connected to the bottom of the steel pipe. The bell pipe is located directly below the gas pipe and is communicated with the gas pipe. The steel pipe covers the bell pipe. Arc-shaped plates are fixedly connected to four surfaces of the steel pipe close to the gas pipe, and each arc-shaped plate is attached to the gas pipe. A first fastening component for fixing the steel pipe on the gas pipe is provided on the steel pipe.

[0007] The principle and beneficial effects of the present utility model are as follows: By covering a closed cap-shaped structure that can fit with the gas pipe on the horn pipe and using a fastening component to fix the cap-shaped structure to the gas pipe, it is convenient to seal the entire horn pipe when a perforation appears on the horn pipe, preventing the gas in the gas pipe from leaking into the surrounding environment through the perforation on the horn pipe, so as to maintain the normal transmission of gas. It is convenient to play a role in temporarily maintaining the normal transmission of gas when a gas leakage occurs, avoiding the suspension of gas supply to users due to gas leakage. When it is necessary to stop the transmission of gas throughout the line or when gas transmission is not required, the leak stoppage device is removed, and then the perforation of the horn pipe is welded or a new horn pipe is replaced.

[0008] Solution Two, which is the optimization of the basic solution. The fastening component one includes a semi-circular arc one and a semi-circular arc two. The semi-circular arc one is fixedly connected to the steel pipe. One end of the semi-circular arc one is fixedly connected with an extension plate one, and the other end of the semi-circular arc one is fixedly connected with an extension plate two. The semi-circular arc two fits with the gas pipe. One end of the semi-circular arc two is fixedly connected with an extension plate three, and the other end of the semi-circular arc two is fixedly connected with an extension plate four. A double-headed bolt one penetrates through the extension plate one and the extension plate three, and a double-headed bolt two penetrates through the extension plate two and the extension plate four. The steel pipe and the gas pipe are fixed together through two semi-circular arc structures. By adjusting the nuts on the double-headed bolts, it is convenient to lock the steel pipe onto the gas pipe or remove the steel pipe.

[0009] Solution Three, which is the optimization of Solution Two. The steel pipe is provided with a fastening component two for fixing the steel pipe to the gas pipe, and the fastening component two has the same structure as the fastening component one. By arranging the two components on one side of the steel pipe respectively, it is convenient to fix the steel pipe to the gas pipe more firmly. At the same time, the adjustability of the two fastening components is higher than that of one fastening component.

[0010] Solution Four, which is the optimization of the basic solution. The arc-shaped plate is provided with a silicone rubber gasket. Through the setting of the silicone rubber gasket, it is convenient to further enhance the sealing performance between the steel pipe and the gas pipe.

[0011] Solution Five, which is the optimization of the basic solution. The steel pipe, the arc-shaped plate and the steel plate are all provided with zinc layers. Since the steel pipe, the arc-shaped plate and the steel plate are all made of steel materials, and the horn pipe is used for draining water from the gas pipe. Steel materials are prone to rust when in long-term contact with water and oxygen. Through the setting of the zinc layer, it is convenient to reduce the probability of rust of the steel pipe, the arc-shaped plate and the steel plate to a certain extent.

[0012] Solution Six, which is the optimization of the basic solution. It also includes two pipe clamps. Both pipe clamps are sleeved on the gas pipe. The two pipe clamps are respectively located on both sides of the steel pipe. Both pipe clamps are fixedly connected with screw rods. A cross plate is sleeved on the two screw rods. The cross plate is located directly below the steel pipe. Nuts are threadedly connected to both screw rods, and both nuts are located directly below the cross plate. Description of the Drawings

[0013] Figure 1 It is a structural schematic diagram of a leak plugging device for a gas pipeline bellmouth tube;

[0014] Figure 2 It is a structural schematic diagram of a silicone rubber gasket of a leak plugging device for a gas pipeline bellmouth tube;

[0015] Figure 3 It is a structural schematic diagram of a bellmouth tube of a leak plugging device for a gas pipeline bellmouth tube;

[0016] Figure 4 It is a front view of a leak plugging device for a gas pipeline bellmouth tube;

[0017] Figure 5 It is a rear view of a leak plugging device for a gas pipeline bellmouth tube. Specific implementation manners

[0018] The following further details the present utility model through specific implementation manners:

[0019] The reference numerals in the attached drawings of the specification include: steel pipe 1, steel plate 2, bellmouth tube 3, gas pipe 4, arc plate 5, semi-circular arc one 6, semi-circular arc two 7, extension plate one 8, extension plate two 9, extension plate three 10, extension plate four 11, double-headed bolt one 12, double-headed bolt two 13, silicone rubber gasket 14, pipe hoop 15, screw rod 16, cross plate 17, nut 18.

[0020] Embodiment

[0021] As Figures 1 to 5 shown: A leak plugging device for a gas pipeline bellmouth tube includes a steel pipe 1. A steel plate 2 is welded to the bottom of the steel pipe 1. The bellmouth tube 3 is located directly below the gas pipe 4, and the bellmouth tube 3 communicates with the gas pipe 4. The steel pipe 1 covers the bellmouth tube 3. Arc plates 5 are welded on four faces of the steel pipe 1 near the gas pipe 4. Each arc plate 5 is in contact with the gas pipe 4. A silicone rubber gasket 14 is provided on the arc plate 5. Zinc layers are provided on the steel pipe 1, the arc plate 5, and the steel plate 2.

[0022] A fastening assembly one for fixing the steel pipe 1 to the gas pipe 4 is provided on the steel pipe 1. The fastening assembly one includes a semi-circular arc one 6 and a semi-circular arc two 7. The semi-circular arc one 6 is welded to the steel pipe 1. One end of the semi-circular arc one 6 is welded with an extension plate one 8, and the other end of the semi-circular arc one 6 is welded with an extension plate two 9. The semi-circular arc two 7 is in contact with the gas pipe 4. One end of the semi-circular arc two 7 is welded with an extension plate three 10, and the other end of the semi-circular arc two 7 is welded with an extension plate four 11. A double-headed bolt one 12 penetrates through the extension plate one 8 and the extension plate three 10, and a double-headed bolt two 13 penetrates through the extension plate two 9 and the extension plate four 11. A fastening assembly two for fixing the steel pipe 1 to the gas pipe 4 is provided on the steel pipe 1. The fastening assembly two has the same structure as the fastening assembly one.

[0023] It further includes two pipe clamps 15, both of the two pipe clamps 15 are sleeved on the gas pipe 4, the two pipe clamps 15 are respectively located on both sides of the steel pipe 1, screw rods 16 are welded on both of the two pipe clamps 15, a cross plate 17 is sleeved on the two screw rods 16, the cross plate 17 is located directly below the steel pipe 1, nuts 18 are threadedly connected to both of the two screw rods 16, and both of the two nuts 18 are located directly below the cross plate 17.

[0024] The implementation manner of this embodiment is as follows:

[0025] When it is necessary to prevent the horn pipe 3 from leaking gas, first cover the cover-shaped structure composed of the steel pipe 1 and the steel plate 2 on the horn pipe 3, the silicone rubber gasket 14 is attached to the gas pipe 4, then hang the semi-circular arc two 7 on the gas pipe 4, then align and attach the extension plate one 8 with the extension plate three 10, penetrate the double-headed bolt one 12, and at the same time align and attach the extension plate two 9 with the extension plate four 11, penetrate the double-headed bolt two 13, then tighten the nuts on the double-headed bolt one 12 and the double-headed bolt two 13 towards the middle, and then screw up the nut 18 until the cross plate 17 is attached to the steel plate 2.

[0026] The above are only the embodiments of the present utility model. Specific structures and common knowledge such as characteristics that are well known in the art are not described in detail herein. It should be pointed out that for those skilled in the art, without departing from the structure of the present utility model, several deformations and improvements can still be made, and these should also be regarded as the protection scope of the present utility model, and these will not affect the implementation effect of the present utility model and the practicability of the patent. The protection scope required by this application should be based on the content of its claims, and the specific implementation manners described in the specification can be used to explain the content of the claims.

Claims

1. A leak plugging device for a gas pipeline horn pipe, characterized in that, It includes a steel pipe (1), a steel plate (2) is fixedly connected to the bottom of the steel pipe (1), the horn pipe (3) is located directly below the gas pipe (4), the horn pipe (3) is communicated with the gas pipe (4), the steel pipe (1) covers the horn pipe (3), arc-shaped plates (5) are fixedly connected to four surfaces of the steel pipe (1) close to the gas pipe (4), each arc-shaped plate (5) is attached to the gas pipe (4), and a first fastening assembly for fixing the steel pipe (1) to the gas pipe (4) is provided on the steel pipe (1).

2. The leak plugging device for a gas pipeline horn tube according to claim 1, wherein, The first fastening assembly includes a semi-circular arc one (6) and a semi-circular arc two (7), the semi-circular arc one (6) is fixedly connected to the steel pipe (1), an extension plate one (8) is fixedly connected to one end of the semi-circular arc one (6), an extension plate two (9) is fixedly connected to the other end of the semi-circular arc one (6), the semi-circular arc two (7) is attached to the gas pipe (4), an extension plate three (10) is fixedly connected to one end of the semi-circular arc two (7), an extension plate four (11) is fixedly connected to the other end of the semi-circular arc two (7), a double-headed bolt one (12) penetrates through the extension plate one (8) and the extension plate three (10), and a double-headed bolt two (13) penetrates through the extension plate two (9) and the extension plate four (11).

3. The leak plugging device for a gas pipeline horn tube according to claim 2, characterized in that, A second fastening assembly for fixing the steel pipe (1) to the gas pipe (4) is provided on the steel pipe (1), and the second fastening assembly has the same structure as the first fastening assembly.

4. A leak plugging device for a gas pipeline horn tube according to claim 1, characterized in that, A silicone rubber gasket (14) is provided on the arc-shaped plate (5).

5. The leak plugging device for a gas pipeline horn tube according to claim 1, characterized in that, Zinc layers are provided on the steel pipe (1), the arc-shaped plate (5) and the steel plate (2).

6. The leak plugging device for a gas pipeline horn tube according to claim 1, characterized in that, It further includes two pipe clamps (15), both of the two pipe clamps (15) are sleeved on the gas pipe (4), the two pipe clamps (15) are respectively located on both sides of the steel pipe (1), screws (16) are fixedly connected to both of the two pipe clamps (15), a cross plate (17) is sleeved on the two screws (16), the cross plate (17) is located directly below the steel pipe (1), nuts (18) are threadedly connected to both of the two screws (16), and both of the two nuts (18) are located directly below the cross plate (17).

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