CN211782987U

CN211782987U - Mounting flange of tube type heat exchanger

Info

Publication number: CN211782987U
Application number: CN202020002032.6U
Authority: CN
Inventors: 张树凯
Original assignee: Tianjin Yizheng Heat Exchange Equipment Co ltd
Current assignee: Tianjin Yizheng Heat Exchange Equipment Co ltd
Priority date: 2020-01-02
Filing date: 2020-01-02
Publication date: 2020-10-27
Anticipated expiration: 2030-01-02

Abstract

The utility model discloses a shell and tube heat exchanger's mounting flange, including first ring flange and second ring flange, first ring flange swing joint is in the one end of second ring flange, the seal groove has been seted up to the position of the corresponding second ring flange of first ring flange, the inner wall fixedly connected with gasbag of second ring flange is kept away from to the seal groove, the intercommunication chamber has been seted up to the inside of first ring flange, the intercommunication chamber is kept away from the inner wall fixedly connected with bellows of gasbag one end, the bellows is kept away from the one end fixedly connected with rubber head in intercommunication chamber. The utility model discloses an insert the inner wall of seal groove with the sealing strip to make sealing strip extrusion gasbag, and with inside air compression of gasbag to the intercommunication intracavity portion, and make the inside air of gasbag promote the bellows tensile, and drive the one end that the bellows was kept away from to the rubber head and remove, make the rubber head closely laminate the inner wall at the arc wall, thereby play sealed effect, and sealed effectual.

Description

Mounting flange of tube type heat exchanger

Technical Field

The utility model relates to a shell and tube heat exchanger installs technical field, specifically is a shell and tube heat exchanger's mounting flange.

Background

The shell and tube heat exchanger is the most widely used heat exchanger in chemical industry and alcohol production at present. It is mainly composed of a shell, a tube plate, a heat exchange tube, a seal head, a baffle plate and the like. The required material can be respectively made of common carbon steel, red copper or stainless steel. When heat exchange is carried out, a fluid enters from the connecting pipe of the end socket, flows in the pipe and flows out from the outlet pipe at the other end of the end socket, which is called a pipe pass; the other fluid enters from the connection pipe of the shell.

However, in the prior art, when the flange is used for installing the tube type heat exchanger in actual use, the sealing performance is poor, and the phenomenon of liquid leakage can occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell and tube heat exchanger's mounting flange to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: comprises a first flange plate and a second flange plate, wherein the first flange plate is movably connected with one end of the second flange plate, a sealing groove is arranged at the position of the first flange plate corresponding to the second flange plate, the inner wall of the sealing groove far away from the second flange plate is fixedly connected with an air bag, a communicating cavity is arranged inside the first flange plate, the inner wall of the communicating cavity far away from one end of the air bag is fixedly connected with a corrugated pipe, the end of the corrugated pipe far away from the communicating cavity is fixedly connected with a rubber head, the inside of the communicating cavity is respectively communicated with the air bag and the inside of the corrugated pipe, one end of the second flange plate corresponding to the sealing groove is fixedly connected with a sealing strip, and the surface of the sealing strip is movably connected with the inner wall of the sealing groove, the surface of the sealing strip corresponding to the rubber head is provided with an arc-shaped groove, and the inner wall of the arc-shaped groove is movably attached to the surface of the rubber head.

Preferably, a guide groove is formed in one end, corresponding to the second flange, of the first flange, a positioning groove is formed in the inner portion, corresponding to the guide groove, of the first flange, and a rubber pad is fixedly connected to the inner wall of the positioning groove.

Preferably, one end of the guide groove close to the second flange is in a flared structure.

Preferably, one end of the second flange corresponding to the positioning groove is fixedly connected with a positioning strip, and the positioning strip is movably connected to the inner wall of the positioning groove.

Preferably, the first flange plate and the second flange plate are provided with connecting holes at the ends far away from the circle center, the number of the connecting holes is three, the three connecting holes are annularly arranged at the ends far away from the circle center of the first flange plate and the second flange plate, and the length of the connecting holes is greater than one sixth of the arc length of the connecting holes.

Preferably, the inner wall of the connecting hole is movably connected with a bolt.

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

1. the sealing strip is inserted into the inner wall of the sealing groove, the sealing strip extrudes the air bag, air inside the air bag is compressed into the communicating cavity, the air inside the air bag pushes the corrugated pipe to stretch, and one end, away from the corrugated pipe, of the rubber head is driven to move, so that the rubber head is tightly attached to the inner wall of the arc-shaped groove, the sealing effect is achieved, and the sealing effect is good;

2. the utility model discloses still form the one end that the centre of a circle was kept away from at first ring flange and second ring flange to annular setting through three connecting hole simultaneously, and the length of connecting hole is greater than the long one sixth of connecting hole place arc for when first ring flange and second ring flange are fixed, can make first ring flange and second ring flange rotate and fix to arbitrary angle, make things convenient for first ring flange and second ring flange to fix through the bolt.

Drawings

FIG. 1 is a front sectional view of the overall structure of a mounting flange of a tube type heat exchanger of the present invention;

fig. 2 is an enlarged view of a structure at a position a in fig. 1 of an installation flange of the tube type heat exchanger of the present invention;

fig. 3 is a side view of the second flange structure of the mounting flange of the tube type heat exchanger of the present invention.

In the figure: 1. a first flange plate; 2. a second flange plate; 3. connecting holes; 4. a bolt; 5. a guide groove; 6. positioning a groove; 7. a rubber pad; 8. a sealing groove; 9. an air bag; 10. a communicating cavity; 11. a bellows; 12. a rubber head; 13. a positioning bar; 14. a sealing strip; 15. an arc-shaped groove.

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. 1-3, the present invention provides a technical solution: the sealing device comprises a first flange plate 1 and a second flange plate 2, wherein the first flange plate 1 is movably connected at one end of the second flange plate 2, a sealing groove 8 is formed in the position, corresponding to the second flange plate 2, of the first flange plate 1, an air bag 9 is fixedly arranged on the inner wall, far away from the second flange plate 2, of the sealing groove 8, a communication cavity 10 is formed in the first flange plate 1, a corrugated pipe 11 is fixedly arranged on the inner wall, far away from the air bag 9, of the communication cavity 10, a rubber head 12 is fixedly arranged at one end, far away from the communication cavity 10, of the corrugated pipe 11, the interior of the communication cavity 10 is respectively communicated with the air bag 9 and the interior of the corrugated pipe 11, a sealing strip 14 is fixedly arranged at one end, corresponding to the sealing groove 8, of the second flange plate 2, a sealing strip 14 is movably connected with the inner wall of the sealing groove 8, when the first flange plate 1 and the second flange plate 2 are fixed, the sealing strip 14 is inserted into the inner wall of the sealing groove 8, the sealing strip 14 extrudes the air bag 9, air inside the air bag 9 is compressed into the communicating cavity 10, air inside the air bag 9 pushes the corrugated pipe 11 to stretch, and one end, away from the corrugated pipe 11, of the rubber head 12 is driven to move, so that the rubber head 12 is tightly attached to the inner wall of the arc-shaped groove 15, the sealing effect is achieved, when the first flange plate 1 and the second flange plate 2 are installed, the guide groove 5 is close to the flaring structure at one end of the second flange plate 2 through the guide groove 5, so that the guide groove 5 can guide the movement of the positioning strip 13, the positioning strip 13 can move to the position of the positioning groove 6 and is tightly attached to the rubber pad 7, and the guiding effect is achieved for fixing the first flange plate 1 and the second flange plate 2, the first flange plate 1 and the second flange plate 2 are convenient to fix.

The one end that the first ring flange 1 corresponds the second ring flange 2 has seted up guide way 5, and the inside of the corresponding guide way 5 position of first ring flange 1 has seted up constant head tank 6, and the inner wall fixed mounting of constant head tank 6 has rubber pad 7.

One end of the guide groove 5 close to the second flange plate 2 is of a flared structure.

One end fixed mounting of the corresponding constant head tank 6 position of second ring flange 2 has location strip 13, and location strip 13 swing joint is at the inner wall of constant head tank 6 for when first ring flange 1 is fixed with second ring flange 2, be close to the flaring formula structure of 2 one ends of second ring flange through guide way 5, can lead for the removal of location strip 13, make location strip 13 can remove to the position of constant head tank 6, and closely laminate with rubber pad 7.

Connecting holes 3 are formed in the ends, far away from the circle center, of the first flange plate 1 and the second flange plate 2, the number of the connecting holes 3 is three, the three connecting holes 3 are annularly formed in the ends, far away from the circle center, of the first flange plate 1 and the second flange plate 2, and the length of each connecting hole 3 is larger than one sixth of the length of the arc where the connecting hole 3 is located.

Inner wall swing joint of connecting hole 3 has bolt 4, when using, form the one end that the centre of a circle was kept away from at first ring flange 1 and second ring flange 2 to annular setting through three connecting hole 3, and the length of connecting hole 3 is greater than the long one-sixth of connecting hole 3 place circular arc, make when first ring flange 1 and second ring flange 2 are fixed, can make first ring flange 1 and second ring flange 2 rotate and fix to arbitrary angle, make things convenient for first ring flange 1 and second ring flange 2 to fix through bolt 4.

The working principle is as follows: when the utility model is used, when the first flange plate 1 and the second flange plate 2 are fixed, the sealing strip 14 is inserted into the inner wall of the sealing groove 8, the sealing strip 14 is made to extrude the air bag 9, the air inside the air bag 9 is compressed into the communicating cavity 10, the air inside the air bag 9 pushes the corrugated pipe 11 to stretch, and one end of the rubber head 12 far away from the corrugated pipe 11 is driven to move, so that the rubber head 12 is tightly attached to the inner wall of the arc-shaped groove 15, thereby playing a sealing role, when the first flange plate 1 and the second flange plate 2 are installed, the guide groove 5 can guide the movement of the positioning strip 13 through the flaring structure of the guide groove 5 close to one end of the second flange plate 2, so that the positioning strip 13 can move to the position of the positioning groove 6 and is tightly attached to the rubber pad 7, thereby playing a guiding role for fixing the first flange plate 1 and the second flange plate 2, the first flange plate 1 and the second flange plate 2 are convenient to fix.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a shell and tube heat exchanger's mounting flange which characterized in that: the corrugated pipe comprises a first flange plate (1) and a second flange plate (2), wherein the first flange plate (1) is movably connected at one end of the second flange plate (2), a sealing groove (8) is formed in the position, corresponding to the second flange plate (2), of the first flange plate (1), an air bag (9) is fixedly connected to the inner wall, far away from the second flange plate (2), of the sealing groove (8), a communicating cavity (10) is formed in the first flange plate (1), a corrugated pipe (11) is fixedly connected to the inner wall, far away from one end of the air bag (9), of the communicating cavity (10), a rubber head (12) is fixedly connected to one end, far away from the communicating cavity (10), of the corrugated pipe (11), the inside of the communicating cavity (10) is respectively communicated with the insides of the air bag (9) and the corrugated pipe (11), and a sealing strip (14) is fixedly connected to one end, and the surface of sealing strip (14) and the inner wall swing joint of seal groove (8), arc wall (15) have been seted up on the surface of the corresponding rubber head (12) position of sealing strip (14), and the surface activity laminating of the inner wall of arc wall (15) and rubber head (12).

2. The mounting flange of the shell and tube heat exchanger as claimed in claim 1, wherein: guide way (5) have been seted up to the one end of first ring flange (1) corresponding second ring flange (2), constant head tank (6) have been seted up to the inside of first ring flange (1) corresponding guide way (5) position, the inner wall fixedly connected with rubber pad (7) of constant head tank (6).

3. The mounting flange of the shell and tube heat exchanger as claimed in claim 2, wherein: one end of the guide groove (5) close to the second flange plate (2) is of a flaring structure.

4. The mounting flange of the shell and tube heat exchanger as claimed in claim 1, wherein: one end of the second flange plate (2) corresponding to the position of the positioning groove (6) is fixedly connected with a positioning strip (13), and the positioning strip (13) is movably connected to the inner wall of the positioning groove (6).

5. The mounting flange of the shell and tube heat exchanger as claimed in claim 1, wherein: connecting holes (3) are formed in one ends, far away from the circle center, of the first flange plate (1) and the second flange plate (2), the number of the connecting holes (3) is three, the three connecting holes (3) are annularly arranged at one ends, far away from the circle center, of the first flange plate (1) and the second flange plate (2), and the length of the connecting holes (3) is greater than one sixth of the length of the circular arc where the connecting holes (3) are located.

6. The mounting flange of the shell and tube heat exchanger as claimed in claim 5, wherein: the inner wall of the connecting hole (3) is movably connected with a bolt (4).