Sealing element for distillation tower

By combining an internal and external sealing gasket structure, the leakage problem caused by the aging of seals at the distillation column pipeline connection is solved, achieving better sealing effect and delayed aging.

CN223662835UActive Publication Date: 2025-12-12乳山市日晟机械制造有限公司
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Patent Information

Application Number
CN202422158504.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-04
Publication Date
2025-12-12
Estimated Expiration
2034-09-04

AI Technical Summary

Technical Problem

The seals at the pipe connections of the existing distillation tower have developed gaps due to aging, leading to gas or liquid leakage and a decrease in sealing effectiveness.

Method used

The sealing gasket structure combines an inner sealing airbag and an outer sealing airbag. The inner sealing airbag seals the inner side, and the outer sealing airbag seals the outer side. The "I"-shaped sealing assembly is formed by the limiting plate and the connecting plate to enhance the sealing effect, and the airbag is kept inflated through the gas communication cavity.

Benefits of technology

It improves the sealing effect at pipe connections, delays the aging of seals, avoids the problem of loose sealing caused by aging, and enhances the sealing ability on both the inside and outside.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223662835U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of distillation tower accessories, and particularly relates to a sealing element for a distillation tower, which comprises a sealing gasket, the inner side of the sealing gasket is fixedly connected with an inner plugging air bag, the outer side of the sealing gasket is fixedly connected with an outer plugging air bag, and the sealing gasket is communicated with the inner plugging air bag and the outer plugging air bag. An inner limiting plate is arranged on the inner side of the inner plugging air bag, an inclined connecting plate is fixedly connected to the outer side of the inner limiting plate, and an outer limiting plate is arranged on the outer side of the outer plugging air bag; the inner side and the outer side of the connecting position can be blocked, the path for internal liquid or gas to leak outwards is increased, the sealing effect on the pipeline connecting position can be improved, and the problem that the area near the connecting position and a sealing piece at the connecting position are aged due to the influence of factors such as illumination for a long time can be solved; therefore, the problem that the joint of the pipeline is not tightly attached to the sealing piece due to aging of the joint is solved.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to distillation column accessory technical field, concretely relates to a sealing element for distillation column. BACKGROUND

[0002] The sealing problem often appears on the connection of the pipeline of the distillation column, and the sealing effect of the pipeline connection is often affected by the aging of the sealing element and the pipeline connection, which causes the gap between the connection surface and the sealing element, and the gas or liquid in the pipeline is easily leaked through the gap caused by the aging of the connection surface and the sealing element, which reduces the sealing effect. UTILITY MODEL CONTENTS

[0003] The utility model provides a sealing element for distillation column can the inside and outside of connection be blocked, increase the path that internal liquid or gas leaks to the outside, can help to promote the sealing effect of the pipeline connection, can delay the aging problem of the area near the connection and the sealing element of the connection due to long -term influence of factors such as illumination, to avoid the problem that the connection surface and the sealing element are not closely combined due to the aging of the connection.

[0004] The utility model provides the following technical scheme: a sealing element for distillation column, including sealing pad, the inner side of sealing pad is fixedly connected with inner blocking air bag, and the outer side of sealing pad is fixedly connected with outer blocking air bag, and sealing pad with Inner blocking air bag, outer blocking air bag is linked together, the inner side of inner blocking air bag is equipped with inner limit board, and the outer side of inner limit board is fixedly connected with inclined connecting plate, the outer side of outer blocking air bag is equipped with outer limit board, and the lower end of outer limit board is fixedly connected with extension connecting plate, and the top of outer limit board is fixedly connected with installation fixed plate.

[0005] Among them, the side of extension connecting plate is fixedly connected with second antiskid limit pad.

[0006] Among them, the side of inclined connecting plate is fixedly connected with installation short plate, and the installation short plate is clamped and connected between the connecting pipe wall.

[0007] Among them, the side of the top of outer limit board is fixedly connected with first antiskid limit pad.

[0008] Among them, the inside of sealing pad is equipped with gas communication cavity, and sealing pad is linked together with inner blocking air bag, outer blocking air bag through gas communication cavity.

[0009] The inner wall of the distillation tower communication pipe is provided with a threaded installation groove for matching the installation of the short plate.

[0010] The outer wall of the distillation tower communication pipe is provided with a gap groove for matching the installation of the extension connecting plate.

[0011] The utility model discloses beneficial effects are: under the mutual cooperation of sealing pad, inner plugging air bag, outer plugging air bag, the sealing assembly that forms the connecting pipe connecting place of distillation tower is sealed, and whole sealing assembly adopts " G " type, can plugging the inside and outside of connecting place, increase the path of internal liquid or gas to the outside leakage, can help to promote the sealing effect of pipeline connecting place, and under the action of outer limiting board, can avoid the direct contact between the area near the connecting place of pipeline and external environment, can delay the aging problem of the area near the connecting place and the sealing element of connecting place because of long -term illumination and other factors, thereby avoid the problem of not close tightly between pipeline connecting place and sealing element because of the aging of connecting place.

[0012] The parts not involved in the device are the same as or can be realized by the prior art. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view cross section structure schematic diagram of the utility model;

[0014] Figure 2 It is the front view structure schematic diagram of the utility model Figure 1 A part detail enlargement schematic diagram in the utility model;

[0015] Figure 3 It is the front view structure schematic diagram of the utility model when installing between pipeline;

[0016] Figure 4 It is the front view schematic diagram of the utility model.

[0017] In the drawing: 1, sealing pad;11, inner plugging air bag;12, outer plugging air bag;13, gas communication cavity;2, inner limiting board;21, inclined connecting plate;211, installation short plate;3, outer limiting board;31, extension connecting plate;32, installation fixed plate;33, first anti -slip limiting pad;34, second anti -slip limiting pad. DETAILED DESCRIPTION

[0018] Please refer to Figures 1-4The utility model provides following technical scheme: a sealing element for distillation column, including seal washer 1, the inside fixed connection of seal washer 1 has inner plugging air bag 11, and the outside fixed connection of seal washer 1 has outer plugging air bag 12, and seal washer 1 is linked with inner plugging air bag 11, outer plugging air bag 12, the inside of inner plugging air bag 11 is equipped with inner limit stop 2, and the outside fixed connection of inner limit stop 2 has inclined connecting plate 21, the outside of outer plugging air bag 12 is equipped with outer limit stop 3, and the lower end of outer limit stop 3 fixed connection has extension connecting plate 31, the top of outer limit stop 3 fixed connection has installation fixed plate 32.

[0019] In the embodiment: seal washer 1 is the sealing element for sealing between two pipeline connections, inner plugging air bag 11 is used to block the inside of two connecting surfaces, and outer plugging air bag 12 is used to block the outside of two connecting surfaces, inner limit stop 2 located in the inside of inner plugging air bag 11 is used to limit the shape of inner plugging air bag 11 after extrusion, and inclined connecting plate 21 at the end of inner limit stop 2 is used to seal the gap between inner limit stop 2 and the inside of the pipeline, outer limit stop 3 is used to limit the shape of outer plugging air bag 12 after extrusion, and outer limit stop 3 is used to provide space for the deformation of the shape of outer plugging air bag 12 after extrusion, and can form a sealing and reinforcing protective element on the outside of the pipeline connection, and under the action of outer limit stop 3, the direct contact between the area near the pipeline connection and the external environment can be avoided, the aging problem of the area near the connection and the sealing element of the connection due to long-term exposure to light and other factors can be delayed, the problem of tight fit between the pipeline connection and the sealing element due to aging of the connection can be avoided, and installation fixed plate 32 is used to provide a carrier for connecting outer limit stop 3 and the pipeline, when connecting the pipelines, seal washer 1 is placed on one of the pipelines, so that inner plugging air bag 11 is located on the inside of the pipeline, and outer plugging air bag 12 is located on the outside of the pipeline, inclined connecting plate 21 is installed by clamping the inside of the pipeline, then the other pipeline is placed on the other side of seal washer 1, and the other end of inclined connecting plate 21 is clamped on the inside of the pipeline, then outer limit stop 3 is installed on the outside of the two pipelines, and outer limit stop 3 is fixed by a screw or other fixing element, when the installation and fixation of outer limit stop 3 and the pipeline are completed, the internal part of outer plugging air bag 12 flows to the inside of inner plugging air bag 11 after the outside of outer plugging air bag 12 is extruded by outer limit stop 3, and because inner plugging air bag 11 and outer plugging air bag 12 are both installed with limiters, inner plugging air bag 11 and outer plugging air bag 12 can be in a good and full state under the action of the limiters.

[0020] A second anti-slip limiting pad 34 is fixedly connected to one side of the extension connecting plate 31, and a clearance groove is provided on the outer wall of the distillation tower connecting pipe for installation with the extension connecting plate 31; wherein the second anti-slip limiting pad 34 is used to increase the connection stability between the end of the extension connecting plate 31 and the pipe installation groove.

[0021] An installation short plate 211 is fixedly connected to one side of the inclined connecting plate 21, and the installation short plate 211 is engaged with the connecting pipe wall. The inner wall of the distillation tower connecting pipe is provided with a threaded mounting groove for assembly with the installation short plate 211. The installation short plate 211 is used to provide a carrier for the connection between the inclined connecting plate 21 and the inner wall of the pipe.

[0022] A first anti-slip limiting pad 33 is fixedly connected to one side of the top of the outer limiting plate 3; wherein the first anti-slip limiting pad 33 is used to improve the connection stability between the upper end of the sealing gasket 1 and the outer wall of the connecting pipe.

[0023] The sealing gasket 1 has a gas communication cavity 13 inside, and the sealing gasket 1 is connected to the inner sealing airbag 11 and the outer sealing airbag 12 through the gas communication cavity 13. The gas communication cavity 13 is used to provide a communication channel between the outer sealing airbag 12 and the inner sealing airbag 11. When the outer sides of the outer sealing airbag 12 and the inner sealing airbag 11 are limited by the limiting member, the gas in the outer sealing airbag 12 and the inner sealing airbag 11 can flow between the inner sealing airbag 11 and the outer sealing airbag 12 through the gas communication cavity 13, so that the inner sealing airbag 11 and the outer sealing airbag 12 can maintain a good internal gas filling state.

[0024] The working principle and usage process of this utility model are as follows: When connecting pipes, the sealing gasket 1 is placed on one of the pipes, so that the inner sealing airbag 11 is located inside the pipe and the outer sealing airbag 12 is located outside the pipe. The inclined connecting plate 21 is then engaged with the inside of the pipe through the mounting short plate 211. Then, the other pipe is placed on the other side of the sealing gasket 1, and the inclined connecting plate 21 at the other end is engaged inside the pipe. Then, the outer limiting plate 3 is installed on the outside of the two pipes and fixed with screws and other fasteners. After the installation and fixing of the outer limiting plate 3 to the pipes are completed, the outer side of the outer sealing airbag 12 is squeezed by the outer limiting plate 3, and some of the gas inside flows into the interior of the inner sealing airbag 11 through the gas communication cavity 13. Since both the inner sealing airbag 11 and the outer sealing airbag 12 are equipped with limiting components, the inner sealing airbag 11 and the outer sealing airbag 12 can be in a good state of inflation under the action of the limiting components.

Claims

1. A sealing element for a distillation column, comprising a sealing gasket (1), characterized in that: An inner sealing airbag (11) is fixedly connected to the inner side of the sealing gasket (1), and an outer sealing airbag (12) is fixedly connected to the outer side of the sealing gasket (1). The sealing gasket (1) is connected to the inner sealing airbag (11) and the outer sealing airbag (12). An inner limiting plate (2) is provided on the inner side of the inner sealing airbag (11), and an inclined connecting plate (21) is fixedly connected to the outer side of the inner limiting plate (2). An outer limiting plate (3) is provided on the outer side of the outer sealing airbag (12), and an extension connecting plate (31) is fixedly connected to the lower end of the outer limiting plate (3). An installation fixing plate (32) is fixedly connected to the top of the outer limiting plate (3).

2. The sealing element for a distillation column according to claim 1, characterized in that: A second anti-slip limiting pad (34) is fixedly connected to one side of the extension connecting plate (31).

3. A sealing element for a distillation column according to claim 1, characterized in that: An installation short plate (211) is fixedly connected to one side of the inclined connecting plate (21), and the installation short plate (211) is engaged with the connecting pipe wall.

4. A sealing element for a distillation column according to claim 1, characterized in that: The first anti-slip limiting pad (33) is fixedly connected to one side of the top of the outer limiting plate (3).

5. A sealing element for a distillation column according to claim 1, characterized in that: The sealing gasket (1) has a gas communication cavity (13) inside, and the sealing gasket (1) is connected to the inner sealing airbag (11) and the outer sealing airbag (12) through the gas communication cavity (13).

6. A sealing element for a distillation column according to claim 3, characterized in that: The inner wall of the distillation column connecting pipe is provided with a threaded mounting groove for assembly with the mounting short plate (211).

7. A sealing element for a distillation column according to claim 1, characterized in that: The outer wall of the distillation column connecting pipe is provided with a clearance groove for installation in conjunction with the extension connecting plate (31).