CN214743986U

CN214743986U - Low-temperature liquid pressure pipeline plugging device

Info

Publication number: CN214743986U
Application number: CN202120981480.XU
Authority: CN
Inventors: 李元涛; 王浩; 赵传军
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-10
Filing date: 2021-05-10
Publication date: 2021-11-16
Anticipated expiration: 2031-05-10

Abstract

The utility model discloses a low temperature liquid pressure pipeline plugging device, including original pipeline, sealing flange and new flange, the fixing clip is installed in the outside of original pipeline, sealing flange is installed to the one end of original pipeline, and original pipeline runs through sealing flange's inside, sealing flange's one side is installed and is sealed to inlay the pipe, and seals and inlay the outside that the pipe is located original pipeline, sealing inlays pipe and new sleeve looks gomphosis, and new flange that connects is installed to new sheathed tube one side, the through-hole has been seted up to one side of new flange, the inside movable mounting of through-hole has first threaded rod, install the installation pipe in one side of new flange, one side of installation pipe is connected with the connecting pipe. The utility model discloses a connect seal assembly on original pipeline, can make the port of pipeline and sealed tube embedding can with the tight extrusion of new joint seal external member be in the same place through screwing up the fastener to improve the leakproofness.

Description

Low-temperature liquid pressure pipeline plugging device

Technical Field

The utility model relates to a pipeline under pressure technical field specifically is a low temperature liquid pipeline under pressure plugging device.

Background

The pressure pipeline refers to all pipelines bearing internal pressure or external pressure, the pressure pipeline is one part of an industrial pipeline and can be used for conveying low-temperature liquid or gas, leakage points on the pressure pipeline are more, internal gas and liquid leakage is easy to occur, internal leakage of a valve often occurs after the function of a main valve of the low-temperature liquid is degraded, flammable and combustion-supporting gas can be involved, when internal leakage occurs, the traditional mode is plugged by a wooden plug, and potential safety hazards exist after the mode is lagged behind.

The existing pressure pipeline plugging device has the following defects:

1. the traditional wooden plug leakage stopping is a temporary measure, the stopping, cleaning and replacement are carried out in time after the leakage accident is positioned, the leakage condition in the valve is treated, the process flow of equipment in chemical enterprises is long, the equipment operation usually relates to a plurality of units, the large adjustment difficulty is large, and the stopping cost is high;

2. when combustion-supporting substances such as liquid oxygen are involved in the prior art, if the leakage of the combustion-supporting substances such as liquid oxygen cannot be treated, the fire accident is easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a low temperature liquid pressure pipeline plugging device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a low-temperature liquid pressure pipeline leakage stopping device comprises an original pipeline, a sealing flange and a new connecting flange, wherein a fixing clamp is arranged on the outer side of the original pipeline, the sealing flange is arranged at one end of the original pipeline, the original pipeline penetrates through the sealing flange, a sealing embedded pipe is arranged on one side of the sealing flange, and the sealing embedded pipe is positioned on the outer side of the original pipeline;

the sealing embedded pipe is embedded with the new connecting sleeve, and a new connecting flange is arranged on one side of the new connecting sleeve;

the novel connecting structure is characterized in that a through hole is formed in one side of the novel connecting flange, a first threaded rod is movably mounted inside the through hole, a mounting pipe is mounted on one side of the novel connecting flange, a connecting pipe is connected to one side of the mounting pipe, and a novel connecting valve body is mounted at one end of the connecting pipe through a connecting port.

Preferably, the outer side of the original pipeline is provided with a fixed disc, and the inner wall of the original pipeline is provided with an embedded pipe.

Preferably, a fixing bolt is installed at the top of the fixing clip, and the fixing bolt penetrates through the inner wall of the fixing clip.

Preferably, a new connecting pipe is installed on one side of the new connecting flange, the new connecting pipe is located inside the new connecting sleeve, and the new connecting pipe is embedded with the inner wall of the original pipeline.

Preferably, a fastener is movably mounted on the outer side of the first threaded rod.

Preferably, the inner wall of the top of the installation pipe is provided with an air pressure detector, and the top of the installation pipe is provided with an alarm.

Preferably, a threaded sleeve is installed at the top of the newly connected valve body, a second threaded rod is movably installed inside the threaded sleeve, threads at two ends of the second threaded rod penetrate through the inner wall of the threaded sleeve, a rotating disc is installed at the top end of the second threaded rod, and a sealing piece is installed at the bottom end of the second threaded rod. The output end of the newly connected valve body is provided with a discharge port.

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

1. the utility model discloses a connect seal assembly above original pipeline, at first with the most inboard of fixed disk cover at original pipeline, then at its outside installation fixing clip, the effect of fixing clip is in order to spacing the fixed disk, then sheathe in sealing flange again, the port of original pipeline and sealing flange's sealed pipe of inlaying stretch into between the new takeover and the new takeover of new joint sealing external member, can advance filler material in the space between new takeover and the new joint sleeve, the fixed disk, sealing flange, the new joint external member is consolidated the threaded rod through first, original pipeline and sealed pipe of inlaying can be in the same place with the tight extrusion of new joint sealing external member when screwing up the fastener, not direct contact between them, but extruded the filler, with this has just realized sealedly.

2. The utility model discloses an internally mounted at the installation pipe has the atmospheric pressure detector, the atmospheric pressure detector can detect the atmospheric pressure of inside, pressure will diminish when inside liquid leaks, the siren electric connection at atmospheric pressure detector and installation pipe top, thereby can trigger the siren, make the siren sounding remind the staff to take place to leak, make the staff in time handle the leakage position, thereby just can not lead to the production of conflagration because of combustion-supporting gas's leakage, the security performance of the device has been improved, still install the anti-corrosion coating on the inner wall of original pipeline simultaneously, the live time that can make original pipeline through the anti-corrosion coating is more permanent, can not damage because of corroding easily.

Drawings

Fig. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the new valve structure of the present invention;

FIG. 3 is a schematic view of the new pipe connection structure of the present invention;

fig. 4 is a schematic structural view of the new flange of the present invention.

In the figure: 1. an original pipeline; 101. fixing the disc; 102. an anti-corrosion layer; 2. fixing the card; 201. fixing the bolt; 3. sealing the flange; 301. sealing the embedded pipe; 4. newly connecting a flange; 401. a through hole; 402. newly connecting a sleeve; 403. taking over the tube newly; 5. a first threaded rod; 501. a fastener; 6. installing a pipe; 601. an air pressure detector; 602. an alarm; 603. a connecting pipe; 7. newly connecting a valve body; 701. a connecting port; 702. a threaded sleeve; 703. a second threaded rod; 704. rotating the disc; 705. a seal member; 706. and (7) discharging the air.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a low-temperature liquid pressure pipeline plugging device comprises an original pipeline 1, a sealing flange 3 and a new connecting flange 4, wherein a fixing clamp 2 is installed on the outer side of the original pipeline 1, the sealing flange 3 is installed at one end of the original pipeline 1, the original pipeline 1 penetrates through the sealing flange 3, a sealing embedded pipe 301 is installed on one side of the sealing flange 3, and the sealing embedded pipe 301 is located on the outer side of the original pipeline 1; the original pipeline 1 provides a space for the flowing of low-temperature liquid, so that the liquid can flow, and simultaneously provides an installation position for an outer structure, the fixing clip 2 is used for limiting the fixed disc 101, so that the fixed disc 101 is more stably installed, the sealing flange 3 provides an installation position for the sealing embedded pipe 301, so that the sealing embedded pipe 301 can be installed, the sealing embedded pipe 301 plays a role in sealing, so that the sealing embedded pipe 301 is embedded with the new connecting sleeve 402, the sealing effect is achieved, and the gas leakage is prevented,

the sealing embedded pipe 301 is embedded with the new connecting sleeve 402, and a new connecting flange 4 is arranged on one side of the new connecting sleeve 402; the new connecting sleeve 402 has a sealing function by matching with the sealing embedded pipe 301, and the new connecting flange 4 provides an installation position for the new connecting sleeve 402 and the new connecting pipe 403 and also provides a function for installing the first threaded rod 5

A through hole 401 is arranged at one side of the new flange 4, a first threaded rod 5 is movably arranged in the through hole 401, a mounting tube 6 is arranged at one side of the new flange 4, a connecting tube 603 is connected at one side of the mounting tube 6, a new valve body 7 is arranged at one end of the connecting tube 603 through a connecting port 701, the through hole 401 provides space for mounting the first threaded rod 5, so that the first threaded rod 5 can be mounted, and the first threaded rod 5 plays a role of connection, the new connecting flange 4 can be connected with the sealing flange 3 and the fixed disc 101, the installation pipe 6 provides an installation position for the leakage reminding device, so that the leakage reminding device can be connected, the connecting pipe 603 plays a role in connection, can connect installation pipe 6 and new valve body 7, make cryogenic liquids can carry out the transmission of Liu lotus root butyl, connect valve body 7 newly and be used for controlling cryogenic liquids's flow, make the pipeline can seal or open.

Further, the fixed disk 101 is installed on the outer side of the original pipeline 1, the anti-corrosion layer 102 is installed on the inner wall of the original pipeline 1, the fixed disk 101 provides an effect for sealing the pipeline, the original pipeline 1 can be moved by moving the fixed disk 101, the service life of the original pipeline 1 can be prolonged by the anti-corrosion layer 102, and the original pipeline 1 cannot be easily damaged due to corrosion.

Further, fixing bolt 201 is installed at the top of fixing clip 2, and fixing bolt 201 runs through the inner wall of fixing clip 2, and fixing bolt 201 plays fixed effect, can make fixing clip 2 tighten up through rotatory fixing bolt 201 to make fixing clip 2 can be firm fix the outside at original pipeline 1, carry on spacingly to fixed disk 101.

Further, a new connection pipe 403 is installed on one side of the new flange 4, the new connection pipe 403 is located inside the new connection sleeve 402, the new connection pipe 403 is embedded in the inner wall of the original pipeline 1, the new connection pipe 403 and the new connection sleeve 402 can be tightly pressed together with the original pipeline 1, and the sealing rubber is pressed instead of direct contact between the new connection pipe 403 and the new connection sleeve 402, so that the sealing performance is improved.

Further, a fastener 501 is movably mounted on the outer side of the first threaded rod 5, the other end of the first threaded rod 5 is fixed on the new connecting flange 4, a new pipe is welded in the middle of the new connecting flange 4, the new connecting sleeve 402 is sleeved on the original pipeline 1, the joint of the new connecting sleeve 402 and the original pipeline 1 is sealed by a sealing material, and the fastener 501 is gradually screwed down to enable the new connecting flange 4 to be tightly fixed with the original pipeline 1 inwards, so that the leakage problem is solved.

Further, install atmospheric pressure detector 601 on the top inner wall of installation pipe 6, siren 602 is installed at the top of installation pipe 6, atmospheric pressure detector 601 can detect inside atmospheric pressure, pressure will diminish when inside liquid leaks, atmospheric pressure detector 601 and the siren 602 electric connection at installation pipe 6 top to can trigger siren 602, make siren 602 sound and remind the staff to take place to leak, make the staff in time handle the position of leaking.

Further, a threaded sleeve 702 is installed at the top of the newly connected valve body 7, a second threaded rod 703 is movably installed inside the threaded sleeve 702, threads of two ends 703 of the second threaded rod penetrate through the inner wall of the threaded sleeve 702, a rotating disc 704 is installed at the top end of the second threaded rod 703, and a sealing element 705 is installed at the bottom end of the second threaded rod 703. The outlet 706 is installed at the output end of the valve body 7, the threaded sleeve 702 provides an installation position for the second threaded rod 703, so that the second threaded rod 703 can rotate, the second threaded rod 703 can move up and down through rotation, the sealing element 705 can be driven to move, the installation position is provided for the rotary disc 704, the rotary disc 704 provides a position for rotating the second threaded rod 703 for a worker, the sealing element 705 enables an inner pipeline to be opened or closed, and the outlet 706 provides a space for discharging low-temperature liquid.

The working principle is as follows: before using the low-temperature liquid pressure pipeline plugging device, whether the low-temperature liquid pressure pipeline plugging device affects the use or not is checked, firstly, the low-temperature liquid pressure pipeline plugging device is installed at a position to be used, low-temperature liquid can enter the device from an original pipeline 1, a fixed disc 101 is limited at the outer side end through a fixing clamp 2, two holes of the fixed disc 101 penetrate through a first threaded rod 5, the other end of the first threaded rod 5 is fixed on a new connecting flange 4, a new connecting sleeve 402 is welded in the middle of the new connecting flange 4, the new connecting sleeve 402 is sleeved on the original pipeline 1, the connecting part of the new connecting sleeve 402 and the original pipeline 1 is sealed by a sealing material, and at the moment, a fastener 501 is gradually screwed, so that the new connecting flange 4 is fixed with the original pipeline 1 inwards, and leakage is prevented.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a low temperature liquid pressure pipeline plugging device, includes original pipeline (1), sealing flange (3) and connects flange (4) newly, its characterized in that: the outer side of the original pipeline (1) is provided with a fixing clamp (2), one end of the original pipeline (1) is provided with a sealing flange (3), the original pipeline (1) penetrates through the sealing flange (3), one side of the sealing flange (3) is provided with a sealing embedded pipe (301), and the sealing embedded pipe (301) is positioned on the outer side of the original pipeline (1);

the sealing embedded pipe (301) is embedded with the new connecting sleeve (402), and a new connecting flange (4) is arranged on one side of the new connecting sleeve (402);

through-hole (401) have been seted up to one side of new flange (4), the inside movable mounting of through-hole (401) has first threaded rod (5), installation pipe (6) are installed to one side of new flange (4), one side of installation pipe (6) is connected with connecting pipe (603), the one end of connecting pipe (603) is installed through connector (701) and is newly connect valve body (7).

2. The cryogenic liquid pressure pipeline plugging device of claim 1, wherein: the outer side of the original pipeline (1) is provided with a fixed disc (101), and the inner wall of the original pipeline (1) is provided with an anti-corrosion layer (102).

3. The cryogenic liquid pressure pipeline plugging device of claim 1, wherein: fixing bolt (201) is installed at the top of fixing clip (2), and fixing bolt (201) run through the inner wall of fixing clip (2).

4. The cryogenic liquid pressure pipeline plugging device of claim 1, wherein: and a new connecting pipe (403) is arranged on one side of the new connecting flange (4), the new connecting pipe (403) is positioned in the new connecting sleeve (402), and the new connecting pipe (403) is embedded with the inner wall of the original pipeline (1).

5. The cryogenic liquid pressure pipeline plugging device of claim 1, wherein: and a fastener (501) is movably mounted on the outer side of the first threaded rod (5).

6. The cryogenic liquid pressure pipeline plugging device of claim 1, wherein: an air pressure detector (601) is installed on the inner wall of the top of the installation pipe (6), and an alarm (602) is installed at the top of the installation pipe (6).

7. The cryogenic liquid pressure pipeline plugging device of claim 1, wherein: the novel valve is characterized in that a threaded sleeve (702) is installed at the top of the novel valve body (7), a second threaded rod (703) is movably installed inside the threaded sleeve (702), threads at two ends of the second threaded rod (703) penetrate through the inner wall of the threaded sleeve (702), a rotating disc (704) is installed at the top end of the second threaded rod (703), a sealing element (705) is installed at the bottom end of the second threaded rod (703), and a discharge port (706) is installed at the output end of the novel valve body (7).