CN219607826U

CN219607826U - Sealing device for heat exchanger tube plate and heat exchange tube

Info

Publication number: CN219607826U
Application number: CN202222964478.9U
Authority: CN
Inventors: 耿焕然; 张丽丽; 耿丹丹
Original assignee: BEIJING YANHUA CONSTRUCTION ENGINEERING CO LTD
Current assignee: BEIJING YANHUA CONSTRUCTION ENGINEERING CO LTD
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-08-29
Anticipated expiration: 2032-11-08

Abstract

The utility model provides a sealing device for a heat exchanger tube plate and a heat exchange tube, which relates to the technical field of sealing devices and comprises a tube plate, wherein the sealing device is arranged in the tube plate, the heat exchange tube is arranged in the sealing device, clamping devices are arranged at two ends of the heat exchange tube, one side of the tube plate is provided with a plurality of first holes in a penetrating way, the sealing device comprises a sealing rubber ring, the surface of the sealing rubber ring is provided with a groove, one side of the sealing rubber ring is provided with a second hole in a penetrating way, an anti-slip pad is arranged in the second hole, the clamping device comprises a mounting plate, the top of the mounting plate is provided with a connecting spring, the top of the connecting spring is provided with a movable plate, and one side of the movable plate is provided with a protection pad.

Description

Sealing device for heat exchanger tube plate and heat exchange tube

Technical Field

The utility model relates to the technical field of sealing devices, in particular to a sealing device for a heat exchanger tube plate and a heat exchange tube.

Background

The heat exchanger is a device for transferring part of heat of hot fluid to cold fluid, also called heat exchanger, which plays an important role in chemical industry, petroleum, power, food and other industrial production, and can be used as a heater, a cooler, a condenser, an evaporator, a reboiler and the like in chemical industry.

In the prior art, the heat exchange tube and the tube plate are connected together to separate the tube side fluid and the shell side fluid, but the connection mode between the heat exchange tube and the tube plate is generally welding or expansion joint, which can lead to the situation that the sealing effect is unstable and the maintenance is difficult, and finally the tube side fluid and the shell side fluid are mixed with each other due to poor sealing, so that the maintenance is difficult.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, the heat exchange tube and the tube plate are connected together to separate the tube side fluid from the shell side fluid, but the heat exchange tube and the tube plate are generally connected in a welding or expansion mode, the connection mode can lead to the conditions of unstable sealing effect and difficult maintenance, and finally the tube side fluid and the shell side fluid are mixed due to poor sealing, so that the maintenance is difficult.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the heat exchanger tube plate and heat exchange tube sealing device comprises a tube plate, wherein a sealing device is arranged in the tube plate, a heat exchange tube is arranged in the sealing device, clamping devices are arranged at two ends of the heat exchange tube, and a plurality of first holes are formed in one side of the tube plate in a penetrating manner;

the sealing device comprises a sealing rubber ring, a groove is formed in the surface of the sealing rubber ring, a second hole is formed in one side of the sealing rubber ring in a penetrating mode, and an anti-slip pad is arranged in the second hole;

the clamping device comprises a mounting plate, a connecting spring is arranged at the top of the mounting plate, a movable plate is arranged at the top of the connecting spring, and a protection pad is arranged on one side of the movable plate.

As a preferable scheme of the utility model, the sealing rubber ring is an EPDM ethylene-propylene-diene monomer rubber sealing ring.

The technical effect of adopting the further scheme is as follows: the EPDM ethylene-propylene-diene monomer rubber sealing ring has good weather resistance, ozone resistance, water resistance and chemical resistance, can be used for sealing alcohols and ketones and also can be used for sealing high-temperature vapor environments, and is suitable for bathroom equipment, automobile radiators and automobile braking systems.

As a preferable scheme of the utility model, the sealing rubber ring is sleeved with the first hole, the anti-slip pad is adhered with the second hole, and the anti-slip pad is sleeved with the heat exchange tube.

The technical effect of adopting the further scheme is as follows: the sealing rubber ring is sleeved on the first hole, so that sealing performance is improved, the anti-slip pad is bonded with the second hole, and the anti-slip pad is sleeved with the heat exchange tube, so that the heat exchange tube can be tightly attached to the sealing rubber ring, and leakage does not occur.

As a preferable scheme of the utility model, the connecting spring is fixedly connected with the mounting plate, and the connecting spring is fixedly connected with the movable plate.

The technical effect of adopting the further scheme is as follows: the connecting spring is fixedly connected with the mounting plate and the movable plate, and the fixed connection cannot easily fall off, so that the service life can be prolonged.

As a preferable scheme of the utility model, the mounting plate is connected with the rotating shaft of the movable plate.

The technical effect of adopting the further scheme is as follows: the mounting plate is connected with the movable plate rotating shaft, so that the movable plate can be conveniently moved.

As a preferable scheme of the utility model, the protection pad is made of silica gel, and the protection pad is adhered to the movable plate.

The technical effect of adopting the further scheme is as follows: the silica gel material is softer, has effectively protected the tube sheet, and the bonding makes the connection more convenient.

As a preferred embodiment of the present utility model, the mounting plate is welded to the heat exchange tube.

The technical effect of adopting the further scheme is as follows: the mounting plate is welded on the heat exchange tube and cannot fall off easily.

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

according to the utility model, through the design of the sealing device, the problems of unstable sealing and difficult maintenance caused by welding or expansion joint are effectively solved, the sealing performance is greatly improved through the design of the sealing device, and the sealing device is more convenient to disassemble and simpler to maintain.

According to the utility model, through the design of the clamping device, the position of the heat exchange tube is effectively clamped, so that the heat exchange tube cannot shake, and vibration caused by machine operation is reduced, so that the heat exchange tube is deviated to cause unstable sealing, and the stability of the sealing device is effectively improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of a seal arrangement according to the present utility model;

FIG. 3 is a schematic view of a clamping device according to the present utility model;

fig. 4 is an enlarged schematic view of the structure a of the present utility model.

Legend description: 1. a tube sheet; 101. a first hole; 2. a sealing device; 201. sealing rubber rings; 202. a groove; 203. a second hole; 204. an anti-slip pad; 3. a heat exchange tube; 4. a clamping device; 401. a mounting plate; 402. a connecting spring; 403. a movable plate; 404. and a protective pad.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are, however, not limited to the embodiments described herein, but are to be provided for the purpose of making the disclosure of the utility model more thorough.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs, and the terms used herein in this description of the utility model are for the purpose of describing particular embodiments only and are not intended to be limiting of the utility model, with the term "and/or" as used herein including any and all combinations of one or more of the associated listed items.

Example 1

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a heat exchanger tube sheet and heat exchange tube sealing device, includes tube sheet 1, its characterized in that: the inside of tube sheet 1 is provided with sealing device 2, sealing device 2's inside is provided with heat exchange tube 3, heat exchange tube 3's both ends all are provided with chucking device 4, a plurality of first hole 101 has been seted up in running through in one side of tube sheet 1, sealing device 2 includes sealing rubber ring 201, recess 202 has been seted up on sealing rubber ring 201's surface, second hole 203 has been seted up in running through in sealing rubber ring 201's one side, second hole 203's inside is provided with slipmat 204, chucking device 4 includes mounting panel 401, the top of mounting panel 401 is provided with coupling spring 402, coupling spring 402's top is provided with fly leaf 403, one side of fly leaf 403 is provided with protection pad 404.

Example 2

As shown in fig. 1-4, the sealing rubber ring 201 is an EPDM sealing washer, the EPDM sealing washer has a good sealing effect, the sealing rubber ring 201 is sleeved with the first hole 101, the sleeve is more convenient to connect, the anti-slip pad 204 is adhered to the second hole 203, the adhesion is not easy to fall off, the anti-slip pad 204 is sleeved with the heat exchange tube 3, the connecting spring 402 is fixedly connected with the mounting plate 401, the connecting spring 402 is fixedly connected with the movable plate 403, the fixed connection is more convenient to operate with the connecting spring 402, the mounting plate 401 is connected with the rotating shaft of the movable plate 403, the protecting pad 404 is made of silica gel, the protecting pad 404 is adhered to the movable plate 403, the silica gel is wear-resistant and has a good damping effect, the adhesion is more convenient, the mounting plate 401 is welded with the heat exchange tube 3, and the connection between the mounting plate 401 and the heat exchange tube 3 is more stable.

The working flow of the utility model is as follows: when the heat exchanger tube plate and heat exchange tube sealing device is used, firstly, the tube plate 1 and the sealing device 2 are taken out, the groove 202 on the sealing rubber ring 201 is sleeved on the first hole 101 on the tube plate 1 after the tube plate 1 and the sealing device 2 are taken out, the operation is repeated until all the first holes 101 are sleeved with the sealing rubber ring 201, then the heat exchange tube 3 is taken out, after the heat exchange tube 3 is taken out, one side of the heat exchange tube 3 is aligned with the sealing rubber ring 201, after the sealing rubber ring 201 is aligned, the heat exchange tube 3 is plugged into the sealing rubber ring 201, in the plugging process, the clamping device 4 is quickly encountered, the movable plate 403 is pressed down after the clamping device 4 is encountered, the movable plate 403 is attached to the mounting plate 401, then the clamping device is continuously plugged in, the connecting spring 402 is sprung up after the clamping device 4 passes through the sealing rubber ring 201, the movable plate 403 and the protective pad 404 are attached to the tube plate 1, the heat exchange tube 3 is clamped by the clamping device 4 matched with the back of the tube plate 1, after the heat exchange tube 3 is taken out, the operation is repeated until the heat exchange tube 3 is installed, the heat exchange tube plate is convenient to detach and the heat exchange tube plate is more stable in design, and the heat exchange tube sealing device is convenient to detach and maintenance.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a heat exchanger tube sheet and heat exchange tube sealing device, includes tube sheet (1), its characterized in that: the heat exchange tube comprises a tube plate (1), and is characterized in that a sealing device (2) is arranged in the tube plate (1), a heat exchange tube (3) is arranged in the sealing device (2), clamping devices (4) are arranged at two ends of the heat exchange tube (3), and a plurality of first holes (101) are formed in one side of the tube plate (1) in a penetrating manner;

the sealing device (2) comprises a sealing rubber ring (201), a groove (202) is formed in the surface of the sealing rubber ring (201), a second hole (203) is formed in one side of the sealing rubber ring (201) in a penetrating mode, and an anti-slip pad (204) is arranged in the second hole (203);

the clamping device (4) comprises a mounting plate (401), a connecting spring (402) is arranged at the top of the mounting plate (401), a movable plate (403) is arranged at the top of the connecting spring (402), and a protection pad (404) is arranged on one side of the movable plate (403).

2. A heat exchanger tube sheet and heat exchange tube sealing apparatus as defined in claim 1 wherein: the sealing rubber ring (201) is an EPDM ethylene-propylene-diene monomer rubber sealing ring.

3. A heat exchanger tube sheet and heat exchange tube sealing apparatus as defined in claim 1 wherein: the sealing rubber ring (201) is sleeved with the first hole (101), the anti-slip pad (204) is adhered to the second hole (203), and the anti-slip pad (204) is sleeved with the heat exchange tube (3).

4. A heat exchanger tube sheet and heat exchange tube sealing apparatus as defined in claim 1 wherein: the connecting spring (402) is fixedly connected with the mounting plate (401), and the connecting spring (402) is fixedly connected with the movable plate (403).

5. A heat exchanger tube sheet and heat exchange tube sealing apparatus as defined in claim 1 wherein: the mounting plate (401) is connected with the rotating shaft of the movable plate (403).

6. A heat exchanger tube sheet and heat exchange tube sealing apparatus as defined in claim 1 wherein: the protection pad (404) is made of silica gel, and the protection pad (404) is adhered to the movable plate (403).

7. A heat exchanger tube sheet and heat exchange tube sealing apparatus as defined in claim 1 wherein: the mounting plate (401) is welded with the heat exchange tube (3).