CN210372528U

CN210372528U - Quick plugging device of flange

Info

Publication number: CN210372528U
Application number: CN201920841429.1U
Authority: CN
Inventors: 尚关奎; 周石磊; 宋嘉晋
Original assignee: Beijing Guantong Technology Development Co ltd
Current assignee: Beijing Guantong Technology Development Co ltd
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-04-21
Anticipated expiration: 2029-06-05

Abstract

The utility model relates to a leaking stoppage equipment technical field, concretely relates to quick plugging device of flange. Including last casing and lower casing, go up the casing and be fixed with otic placode and lower otic placode respectively with lower casing outside, go up casing and lower casing and constitute hollow cylindrical shell, go up and form the cavity that is used for holding the flange between casing and the lower casing, set up the circular trompil that the pipeline that allows to fix on the flange was worn out on the shell terminal surface, go up and all set up the recess that corresponds each other on the terminal surface that casing and lower casing contacted, set up the annular with the recess intercommunication on the inner edge of trompil, go up casing, down the recess of opening on the casing terminal surface and annular intercommunication constitute and be used for holding the passageway of leaking stoppage notes agent, go up be fixed with on the casing with annotate agent pipe and the blast pipe of passageway intercommunication. The utility model discloses, in leaking stoppage notes agent was injected into recess and annular, annotated the agent through the leaking stoppage in annular and the recess and sealed last casing and lower casing, can increase leaking stoppage and annotate agent life.

Description

Quick plugging device of flange

Technical Field

The utility model relates to a leaking stoppage equipment technical field, concretely relates to quick plugging device of flange.

Background

In recent years, ten million tons of large-scale chemical enterprises are built successively, the enterprises have many flammable and explosive risk points and high toxic and harmful risks, once an accident occurs, the enterprises are easy to explode and burn, a large amount of toxic smoke is generated, a large-area flowing fire and a large-space three-dimensional fire are formed, fire fighting vehicles and fire officers are difficult to get close, and the fire fighting and rescue difficulty and the risk are high. The original flange leak stopper is tied up by steel belts, then a bolt on a flange is dismounted, a bolt hole is used for connecting an injection gun, and a leak stopping injection is injected into the injection gun to perform leak stopping. The plugging method is long in implementation time, in the process of injecting the plugging injection agent, if the pressure of the injection agent is too high, the injection agent enters the pipeline, so that impurities are generated in materials in the pipeline, and when the pressure of the injection agent is too low, the plugging injection agent cannot easily reach a leakage part, so that the plugging method is poor in structural strength, high in risk and easy to leak. How to rapidly, conveniently and safely leak the leakage of the leakage flange is a problem which needs to be solved urgently.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a simple structure, simple to operate, the leaking stoppage is effectual, can prevent that the leaking stoppage from annotating in the agent gets into the pipeline through the leak source with the material contact, can increase the quick plugging device of flange that the agent life was annotated in the leaking stoppage simultaneously.

In order to realize the purpose, the utility model provides a technical scheme is:

a flange rapid leaking stoppage device comprises an upper shell and a lower shell which are symmetrically arranged up and down, wherein the outer sides of the upper shell and the lower shell are respectively fixed with an upper lug plate and a lower lug plate, the upper lug plate and the lower lug plate are fixedly connected through a plurality of connecting pieces, the upper shell and the lower shell form a hollow cylindrical shell, a cavity for accommodating the flange is formed between the upper shell and the lower shell, the flange is positioned in the cavity, the end surface of the shell is provided with a circular opening allowing a pipeline fixed on the flange to penetrate out, the inner edge of the opening is contacted with the outer edge of the pipeline, the opposite end surfaces of the upper shell and the lower shell are in sealing contact, the contact end surfaces of the upper shell and the lower shell are respectively provided with a corresponding groove, the inner edge of the opening is provided with a ring groove communicated with, the groove and the ring groove on the end surface of the lower shell are communicated to form a channel for containing the plugging injection agent, and an injection agent pipe and an exhaust pipe which are communicated with the channel are fixed on the upper shell.

Specifically, the connecting piece includes the rotatory piece of hinge connection in the lower slotted hole of lower otic placode, and rotatory piece upper end is fixed with the screw rod, and the screw rod is located the last slotted hole of last otic placode, and threaded connection has the nut that compresses tightly the otic placode on the screw rod.

Specifically, the lower end of the lower shell is provided with a flow guide hole, and a thread is connected to the flow guide hole in a sealing mode.

Specifically, valves are arranged on the agent injection pipe and the exhaust pipe.

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

the utility model discloses, simple structure, simple to operate, the leaking stoppage is effectual, and the agent is annotated in the leaking stoppage is injected into recess and annular, annotates the agent through the leaking stoppage in annular and the recess and seals up casing and casing down, can prevent that the leaking stoppage from annotating the agent and contact with the material in getting into the pipeline through the leak source, can increase leaking stoppage simultaneously and annotate agent life.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the schematic view of the internal structure of the blind flange plugging device of the present invention.

Fig. 3 is a schematic view of the internal structure of the end face of the present invention.

Fig. 4 is a schematic view of the internal structure of the connecting flange for plugging.

Detailed Description

Example 1: as shown in fig. 1, 2 and 3, a quick flange leak stoppage device comprises an upper shell 1 and a lower shell 11 which are symmetrically arranged up and down, wherein the lower end of the lower shell 11 is provided with a flow guide hole, a thread seal connection is arranged on the flow guide hole and provided with a plug 13, the outer sides of the upper shell 1 and the lower shell 11 are respectively fixed with an upper lug plate 7 and a lower lug plate 2, the upper lug plate 7 and the lower lug plate 2 are fixedly connected through a plurality of connecting pieces, each connecting piece comprises a rotary block 4 hinged in a lower long hole 3 of the lower lug plate 2, the upper end of each rotary block 4 is fixed with a screw rod 5, the screw rod 5 is positioned in an upper long hole 6 of the upper lug plate 7, and the screw rod 5 is connected with a nut for compressing the upper lug plate 7 through.

The upper shell 1 and the lower shell 11 form a hollow cylindrical shell, a cavity for accommodating the flange is formed between the upper shell 1 and the lower shell 11, the first flange 15 and the blind flange 16 are positioned in the cavity after being connected, the end surface of the shell is provided with a circular opening allowing a pipeline 8 fixed on the first flange 15 to penetrate out, the inner edge of the opening is contacted with the outer edge of the pipeline 8, the opposite end surfaces of the upper shell 1 and the lower shell 11 are in sealing contact, the end surfaces of the upper shell 1 and the lower shell 11 which are in contact are both provided with corresponding grooves 12, the inner edge of the opening is provided with a ring groove 14 communicated with the groove 12, the upper shell 1, the groove 12 and the annular groove 14 which are formed in the end face of the lower shell 11 are communicated to form a channel for containing a plugging injection agent, the upper shell 1 is fixedly provided with an injection pipe 9 and an exhaust pipe 10 which are communicated with the channel, and valves are arranged on the injection pipe 9 and the exhaust pipe 10.

In the process of plugging the connection structure of the blind flange 16 and the first flange 15, the first flange 15 and the blind flange 16 are positioned in the upper shell 1 and the lower shell 11, the rotating block 4 is rotated, the screw 5 on the rotating block 4 is positioned in the upper long hole 6 on the upper lug plate 7, the nut on the screw 5 is screwed to extrude the upper lug plate 7, the upper shell 1 and the lower shell 11 are tightly connected, the plug 13 on the flow guide hole is screwed down to guide the material flowing into the shell, the valves of the injection agent pipe 9 and the exhaust pipe 10 are opened, the plugging injection agent is injected into the groove 12 and the annular groove 14 through the injection agent pipe 9 by using an injection agent gun, the air in the groove 12 and the annular groove 14 is discharged from the exhaust pipe 10, the valves of the injection agent pipe 9 and the exhaust pipe 10 are closed after the plugging injection agent is discharged from the exhaust pipe 10, at the moment, the groove 12 and the annular groove 14 are filled with the plugging agent, and then the flow guide hole is plugged by the plug 13, a closed cavity is formed from the inner cavity of the shell, so that leakage points of the first flange 15 and the blind flange 16 are blocked.

Example 1: as shown in fig. 1, 2 and 4, a cavity for accommodating the flanges is formed between the upper shell 1 and the lower shell 11, the first flange 15 and the second flange 17 are located in the cavity after being connected, a circular opening allowing the pipeline 8 fixed on the first flange 15 and the second flange 17 to penetrate out is formed in the end face of the shell, and the inner edge of the opening is in contact with the outer edge of the pipeline 8.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A quick flange leak stopping device comprises an upper shell (1) and a lower shell (11) which are symmetrically arranged up and down, and is characterized in that the outer sides of the upper shell (1) and the lower shell (11) are respectively fixed with an upper lug plate (7) and a lower lug plate (2), the upper lug plate (7) and the lower lug plate (2) are fixedly connected through a plurality of connecting pieces, the upper shell (1) and the lower shell (11) form a hollow cylindrical shell, a cavity for containing a flange is formed between the upper shell (1) and the lower shell (11), the flange is positioned in the cavity, the end surface of the shell is provided with a round opening allowing a pipeline (8) fixed on the flange to penetrate out, the inner edge of the opening is contacted with the outer edge of the pipeline (8), the opposite end surfaces of the upper shell (1) and the lower shell (11) are in sealing contact, the end surfaces of the upper shell (1) and the lower shell (11) which are contacted are respectively provided with a groove (, an annular groove (14) communicated with the groove (12) is formed in the inner edge of the opening, the groove (12) formed in the end faces of the upper shell (1) and the lower shell (11) is communicated with the annular groove (14) to form a channel for containing a plugging injection agent, and an injection agent pipe (9) and an exhaust pipe (10) communicated with the channel are fixed on the upper shell (1).

2. The quick flange leakage stopping device as claimed in claim 1, wherein the connecting member comprises a rotary block (4) hinged in a lower long hole (3) of the lower ear plate (2), a screw rod (5) is fixed at the upper end of the rotary block (4), the screw rod (5) is positioned in an upper long hole (6) of the upper ear plate (7), and a nut for compressing the upper ear plate (7) is connected to the screw rod (5) in a threaded manner.

3. The quick flange leakage stopping device as claimed in claim 1, wherein the lower end of the lower shell (11) is provided with a flow guide hole, and a pipe plug (13) is connected to the flow guide hole in a threaded sealing manner.

4. The flange rapid plugging device according to claim 1, wherein valves are arranged on the injection pipe (9) and the exhaust pipe (10).