Leak-proof device for conveying pipeline in chemical industry park

By installing hydraulically driven shrouds and airbag systems on the pipelines in the chemical industrial park, the problem of the lack of timely leak sealing in existing equipment has been solved, enabling rapid sealing in case of leakage and reducing economic losses caused by material leakage.

CN223609666UActive Publication Date: 2025-11-28UNIV OF SCI & TECH BEIJING +1
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Patent Information

Application Number
CN202520192236.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2025-11-28
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

The existing leak prevention devices for pipelines in chemical industrial parks lack the ability to promptly plug leaks, leading to economic losses when materials leak.

Method used

A leak-proof device was designed, comprising a device box, a pipeline pressure sensor, a hydraulic rod, a slider, an airbag, and an airbag itself. The hydraulic rod drives the slider to move the cover to fit and inject airbag to seal the leak joint, and the airbag expansion is used to achieve timely leak sealing.

Benefits of technology

It enables timely sealing of leaking joints in the event of a leak, preventing large amounts of material from leaking out and reducing economic losses.

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Abstract

The utility model relates to an anti-leakage device for a conveying pipeline in a chemical industry park, which belongs to the technical field of pipeline anti-leakage devices and comprises a device box and a conveying pipeline body, a pipeline pressure sensor is mounted on the outer surface of the conveying pipeline body, and a leaking stoppage component is arranged outside the device box. And the leaking stoppage assembly comprises a mounting rod fixedly connected to the interior of the device box, a sliding block is slidably connected to the outer surface of the mounting rod, hydraulic rods are fixedly connected to the left side and the right side of the device box correspondingly, and a sealing gasket is bonded to the outer side of the cover cylinder. According to the anti-leakage device for the conveying pipeline in the chemical industry park, by arranging the leaking stoppage assembly, the timely leaking stoppage function is achieved, the two cover cylinders which are symmetrically distributed outside the conveying pipeline body in the left-right direction can be attached to each other, a large amount of air is injected into the air bag through the air pump, the air bag is expanded, and therefore the leaking seam is blocked; a large amount of materials are prevented from leaking outwards, so that the economic loss is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to pipeline leak protection device technical field, concretely is a kind of chemical industry park conveying pipeline leak protection device. BACKGROUND

[0002] The conveying pipeline system of chemical industry park is an important component to ensure the smooth production process, with the rapid development of chemical industry, the types and complexity of conveying pipeline are increasing, the safety, stability and durability of pipeline system become particularly important, the pipeline system of chemical industry park is usually used to convey various chemical raw materials and products, including gas, liquid and solid suspension liquid etc., these materials often have corrosive, flammable or high temperature and other special properties, which puts higher requirements on the material and connecting components of pipeline, since the pipeline system runs for a long time, under high pressure, the physical and chemical properties of conveying medium are also changing, which makes each component in the pipeline system must have pressure resistance, temperature resistance, corrosion resistance and other properties.

[0003] In order to avoid the safety hazard caused by the leakage of conveying pipeline, a leak protection device is usually arranged outside the joint of conveying pipeline, the existing leak protection device has high monitoring sensitivity and can report the leakage in time.

[0004] However, the existing leak protection device does not have the function of plugging leakage in time, which may cause a large amount of material leakage before the leakage is handled by the staff, and further cause economic loss, so a chemical industry park conveying pipeline leak protection device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In view of the deficiencies of the prior art, the utility model provides a chemical industry park conveying pipeline leak protection device, which solves the problem that the existing leak protection device does not have the function of plugging leakage in time, which may cause a large amount of material leakage before the leakage is handled by the staff, and further cause economic loss.

[0006] To achieve the above purpose, the utility model provides the following technical scheme: a chemical industry park conveying pipeline leak protection device, comprising a device box and a conveying pipeline body, a pipeline pressure sensor is installed on the outer surface of the conveying pipeline body, a leakage plugging assembly is arranged outside the device box;

[0007] The leakage plugging assembly comprises a mounting rod fixedly connected inside the device box, a sliding block is slidably connected to the outer surface of the mounting rod, hydraulic rods are fixedly connected to the left and right sides of the device box, a connecting piece is fixedly connected to the top of the sliding block, a cover cylinder is fixedly connected to the top of the connecting piece, an air bag is fixedly connected to the inner side of the cover cylinder, a gas pump is fixedly connected to the top of the cover cylinder, a gas pipe is fixedly connected to the outer side of the gas pump, and a sealing gasket is bonded to the outer side of the cover cylinder.

[0008] Further, the number of the sliding blocks is two, and the sliding blocks are symmetrically distributed left and right in the interior of the device box, and the output shaft of the hydraulic rod is fixedly connected with the outer side of the sliding block.

[0009] Further, the gas conveying pipe is connected with the air bag, and the conveying pipe body passes through the cover cylinder.

[0010] Further, the top of the device box is fixedly connected with a strip-shaped movable hole, and the connecting piece passes through the strip-shaped movable hole.

[0011] Further, the bottom of the device box is fixedly connected with a base, and the bottom of the base is provided with a bottom box.

[0012] Further, the inner wall of the bottom box is fixedly connected with damping springs on the left and right sides, and the outer side of the damping spring is fixedly connected with the outer side of the base.

[0013] Further, universal wheels for movement are rotatably connected around the bottom of the bottom box.

[0014] Compared with the prior art, the technical scheme has the following beneficial effects:

[0015] The chemical industry park conveying pipe leak-proof device has the timely leak-stopping function realized by the leak-stopping assembly, can make the two cover cylinders symmetrically distributed left and right outside the conveying pipe body adhere to each other, inject a large amount of air into the air bag by the air pump, make the air bag expand, seal the leaking joint, avoid the material from leaking out, and reduce the economic loss. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is a sectional view of the utility model structure;

[0017] Fig. 2 It is a structure perspective view of the sliding block and the connecting piece of the utility model;

[0018] Fig. 3 It is a structure front view of the utility model.

[0019] In the drawing: 1 device box, 2 conveying pipe body, 3 pipe pressure sensor, 4 mounting rod, 5 sliding block, 6 hydraulic rod, 7 connecting piece, 8 cover cylinder, 9 air bag, 10 air bag, 11 gas conveying pipe, 12 sealing gasket, 13 strip-shaped movable hole, 14 base, 15 bottom box, 16 damping spring, 17 universal wheel. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0021] Please refer to Figs. 1 to 3 The anti-leakage device for the conveying pipeline in the chemical industrial park in the embodiment comprises a device box 1 and a conveying pipeline body 2, the outer surface of the conveying pipeline body 2 is provided with a pipeline pressure sensor 3, and the outer portion of the device box 1 is provided with a leakage stopping assembly.

[0022] The leakage stopping assembly comprises a mounting rod 4 fixedly connected to the inside of the device box 1, the outer surface of the mounting rod 4 is slidably connected with a sliding block 5, the left and right sides of the device box 1 are both fixedly connected with a hydraulic rod 6, the top of the sliding block 5 is fixedly connected with a connecting piece 7, the top of the connecting piece 7 is fixedly connected with a cover cylinder 8, the inner side of the cover cylinder 8 is fixedly connected with an air bag 9, the top of the cover cylinder 8 is fixedly connected with an air pump 10, the outer side of the air pump 10 is fixedly connected with a gas conveying pipe 11, and the outer side of the cover cylinder 8 is bonded with a sealing gasket 12. When the pipeline pressure sensor 3 monitors that the joint of the conveying pipeline body 2 leaks, the hydraulic rod 6 will be automatically started, thereby driving the two sliding blocks 5 to slide on the outer surface of the mounting rod 4, so that the two cover cylinders 8 distributed in a left-right symmetrical manner on the outside of the conveying pipeline body 2 are driven by the connecting piece 7 to be attached to each other, and a large amount of air is injected into the air bag 9 by the air pump 10, so that the air bag 9 is inflated to block the leaking joint, thereby avoiding a large amount of material from leaking out, and further reducing economic losses.

[0023] When the staff handles the leakage, only the two sliding blocks 5 driven by the hydraulic rod 6 need to be reset, so that the two cover cylinders 8 are away from each other, and the leaking joint is exposed, thereby facilitating the staff to handle it.

[0024] It should be noted that the number of sliding blocks 5 is two, and they are distributed in a left-right symmetrical manner in the inside of the device box 1, the output shaft of the hydraulic rod 6 is fixedly connected with the outer side of the sliding block 5, the speeds of the two hydraulic rods 6 are the same, and they are started in parallel via the same control system.

[0025] It should be understood that the gas conveying pipe 11 is connected with the air bag 9, the conveying pipeline body 2 passes through the cover cylinder 8, the top of the device box 1 is fixedly connected with a strip-shaped movable hole 13, and the connecting piece 7 passes through the strip-shaped movable hole 13.

[0026] The bottom of the device box 1 is fixedly connected with a base 14, the bottom of the base 14 is provided with a bottom box 15, the inner walls of the bottom box 15 are fixedly connected with damping springs 16 on the left and right sides, the outer sides of the damping springs 16 are fixedly connected with the outer sides of the base 14, and the base 14, the bottom box 15 and the damping springs 16 are arranged, so that the device box 1 is elastically and stably supported, and the influence of external factors on the stability of the device box 1 is reduced.

[0027] In addition, the bottom of the bottom box 15 is rotatably connected with universal wheels 17 for movement.

[0028] The working principle of the above embodiment is as follows:

[0029] When the pipeline pressure sensor 3 detects that the joint of the conveying pipeline body 2 leaks, the hydraulic rod 6 will be automatically started, so as to drive the two sliding blocks 5 to slide on the outer surface of the mounting rod 4, so that the two sliding blocks 5 drive the two cover barrels 8 distributed in a left-right symmetrical manner outside the conveying pipeline body 2 to be attached to each other through the connecting piece 7, and a large amount of air is injected into the air bag 9 through the air pump 10, so that the air bag 9 expands to block the leaking joint, so as to avoid a large amount of material from leaking outwards, thereby reducing economic losses. When the staff handles the leakage, only needs to control the hydraulic rod 6 to drive the two sliding blocks 5 to reset, so that the two cover barrels 8 are away from each other, so that the leaking joint is exposed, and then the staff can handle it conveniently.

[0030] The mounting mode, connecting mode or setting mode disclosed in the embodiment are common mechanical connecting modes, as long as the beneficial effects can be achieved, and the specific structure and working principle of the electrical components in the embodiment are not described in detail.

[0031] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the described embodiments. That is, although the present application is described in terms of particular embodiments and implementations, it is to be understood that the terminology used is for the purpose of descriptive clarity and that it is intended to be limited only by the words recited in the appended claims. The scope of the present application shall be limited only by the claims.

[0032] While the embodiments of the present application have been shown and described with respect to particular embodiments thereof, it will be understood by those skilled in the art that various changes in form and details can be made therein without departing from the spirit and scope of the application. Therefore, the scope of the application should not be limited by the embodiments, but should be defined only in accordance with the following claims and their equivalents.

Claims

1. A chemical industrial park conveying pipeline anti-leakage device, comprising a device box (1) and a conveying pipeline body (2), characterized in that: The outer surface of the conveying pipeline body (2) is provided with a pipeline pressure sensor (3), and the outer surface of the device box (1) is provided with a leaking stop assembly; The leaking stop assembly comprises a mounting rod (4) fixedly connected to the inside of the device box (1), the outer surface of the mounting rod (4) is slidably connected with a sliding block (5), the left and right sides of the device box (1) are fixedly connected with a hydraulic rod (6), the top of the sliding block (5) is fixedly connected with a connecting piece (7), the top of the connecting piece (7) is fixedly connected with a cover cylinder (8), the inner side of the cover cylinder (8) is fixedly connected with an air bag (9), the top of the cover cylinder (8) is fixedly connected with an air pump (10), the outer side of the air pump (10) is fixedly connected with a gas conveying pipe (11), and the outer side of the cover cylinder (8) is bonded with a sealing gasket (12).

2. The anti-leakage device for a chemical industrial park conveying pipeline according to claim 1, characterized in that: The number of the sliding blocks (5) is two, and they are symmetrically distributed on the inside of the device box (1), and the output shaft of the hydraulic rod (6) is fixedly connected with the outer side of the sliding block (5).

3. The chemical industry park conveying pipeline anti-leakage device according to claim 1, characterized in that: The gas conveying pipe (11) is connected with the air bag (9), and the conveying pipeline body (2) passes through the cover cylinder (8).

4. The chemical industry park conveying pipeline anti-leakage device according to claim 1, characterized in that: The top of the device box (1) is fixedly connected with a strip-shaped movable hole (13), and the connecting piece (7) passes through the strip-shaped movable hole (13).

5. The chemical industry park conveying pipeline anti-leakage device according to claim 1, characterized in that: The bottom of the device box (1) is fixedly connected with a base (14), and the bottom of the base (14) is provided with a bottom box (15).

6. The chemical industry park conveying pipeline anti-leakage device according to claim 5, characterized in that: The left and right sides of the inner wall of the bottom box (15) are fixedly connected with damping springs (16), and the outer side of the damping springs (16) is fixedly connected with the outer side of the base (14).

7. The chemical industry park conveying pipeline anti-leakage device according to claim 5, characterized in that: The periphery of the bottom of the bottom box (15) is rotatably connected with universal wheels (17) for movement.