CN217110639U

CN217110639U - Connecting and sealing mechanism for shell-and-tube heat exchanger

Info

Publication number: CN217110639U
Application number: CN202123396318.0U
Authority: CN
Inventors: 汪幼华; 田昊
Original assignee: Guangzhou Jiechuang Industrial Equipment Co ltd
Current assignee: Guangzhou Jiechuang Industrial Equipment Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-08-02
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a shell and tube heat exchanger connects sealing mechanism, including the heat exchange tube, the both sides of heat exchange tube are equipped with the connecting pipe, the first stationary ring piece of outside symmetry fixedly connected with of heat exchange tube, and the spout has been seted up to the inside of first stationary ring piece, and the inner wall sliding connection of spout has the slider, the top fixedly connected with spring of slider, the bottom fixedly connected with angle block of slider, the beneficial effects of the utility model are that: the utility model discloses novel structure, easy operation, easily the first hand, compact structure not only, the practicality is stronger moreover, compares with traditional device the utility model discloses a be provided with first fixed ring piece, spout, slider, spring, angle piece, fixed block, threaded rod, second fixed ring piece and half solid ring piece, can work as the utility model discloses when the damage needs to be maintained appearing in the use, for staff's maintenance work provides facility, saved maintenance duration greatly, just the utility model discloses the seal structure that sets up is not only more firm when connecting, and the leakproofness is better.

Description

Connecting and sealing mechanism for shell-and-tube heat exchanger

Technical Field

The utility model relates to a shell and tube type heat exchanger technical field specifically is a shell and tube type heat exchanger connection sealing mechanism.

Background

In life, a shell-and-tube heat exchanger, also called a shell-and-tube heat exchanger, is a dividing wall type heat exchanger with the wall surface of a tube bundle sealed in a shell as a heat transfer surface, and the heat exchanger has the advantages of simple structure, low manufacturing cost, wider flow cross section and easy scale cleaning, but has low heat transfer coefficient and large floor area, can be made of various structural materials (mainly metal materials), can be used under high temperature and high pressure, and is the most widely applied type.

The sealing mode of the existing shell-and-tube heat exchanger is generally a welding mode, so that the shell-and-tube heat exchanger is damaged in practical use once, great inconvenience is brought when the shell-and-tube heat exchanger needs to be overhauled and maintained, and the sealing performance of the existing shell-and-tube heat exchanger in a connecting mode is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sealing mechanism is connected to shell-and-tube heat exchanger to solve the current shell-and-tube heat exchanger that proposes in the above-mentioned background art sealing means when using generally adopt welded mode, lead to shell-and-tube heat exchanger in case produce the damage when in-service use like this, bring very big inconvenience when needing to overhaul the maintenance, and the relatively poor problem of current shell-and-tube heat exchanger's connected mode leakproofness.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a shell and tube heat exchanger connects sealing mechanism, includes the heat exchange tube, the both sides of heat exchange tube are equipped with the connecting pipe, the first stationary ring piece of outside symmetry fixedly connected with of heat exchange tube, the spout has been seted up to the inside of first stationary ring piece, the inner wall sliding connection of spout has the slider, the top fixedly connected with spring of slider, the bottom fixedly connected with angle block of slider, the inside symmetry fixedly connected with fixed block of connecting pipe, angle block and fixed block joint, the inside symmetry threaded connection of first stationary ring piece has the threaded rod, the outside fixedly connected with second stationary ring piece of connecting pipe, threaded rod and second stationary ring piece threaded connection, the outside symmetry of first stationary ring piece and second stationary ring piece is equipped with half stationary ring piece.

As a preferred embodiment of the present invention: one side of the connecting pipe is fixedly connected with a connecting pipe orifice.

As a preferred embodiment of the present invention: the inside equidistance threaded connection of semi-solid ring piece has fastening bolt, fastening bolt all with first stationary ring piece and second stationary ring piece threaded connection.

As a preferred embodiment of the present invention: the top of the threaded rod is fixedly connected with an inner groove block.

As a preferred embodiment of the present invention: the bottom of the heat exchange tube is symmetrically and fixedly connected with supporting legs.

The utility model has the advantages that: the utility model discloses novel structure, easy operation easily the top of the hand, compact structure not only, the practicality is stronger moreover, compares with traditional device the utility model discloses a be provided with first fixed ring piece, spout, slider, spring, horn block, fixed block, threaded rod, second fixed ring piece and half solid ring piece, can work as the utility model discloses when the damage needs to be maintained appearing in the use, for staff's maintenance work provides convenience, saved maintenance duration greatly, just the utility model discloses the seal structure that sets up is not only more firm when connecting, and the leakproofness is better.

Drawings

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

fig. 2 is a schematic view of the front view internal structure of the present invention;

FIG. 3 is an enlarged view of the point A of the present invention;

FIG. 4 is a schematic perspective view of the semi-fixed ring block of the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the threaded rod and the inner groove block of the present invention.

In the figure: 1. a heat exchange tube; 2. a connecting pipe; 3. connecting the pipe orifices; 4. a first stationary ring block; 5. a second stationary ring block; 6. a semi-solid ring block; 7. a chute; 8. a slider; 9. a corner block; 10. a fixed block; 11. a threaded rod; 12. an inner groove block; 13. a spring; 14. and fastening the bolt.

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. 1-5, the present invention provides a technical solution: a shell-and-tube heat exchanger connecting and sealing mechanism comprises a heat exchange tube 1, connecting tubes 2 are arranged on two sides of the heat exchange tube 1, a first fixed ring block 4 is symmetrically and fixedly connected to the outer side of the heat exchange tube 1, a sliding groove 7 is formed in the first fixed ring block 4, a sliding block 8 is connected to the inner wall of the sliding groove 7 in a sliding mode, a spring 13 is fixedly connected to the top of the sliding block 8, the shell-and-tube heat exchanger connecting and sealing mechanism is a mechanical part which works by means of elasticity, the part made of elastic materials deforms under the action of external force, and recovers to the original shape after the external force is removed; the bottom of the slide block 8 is fixedly connected with an angle block 9, the inside of the connecting pipe 2 is symmetrically and fixedly connected with a fixed block 10, the angle block 9 is clamped with the fixed block 10, the inside of the first fixed ring block 4 is symmetrically and threadedly connected with a threaded rod 11, the outside of the connecting pipe 2 is fixedly connected with a second fixed ring block 5, the threaded rod 11 is in threaded connection with the second fixed ring block 5, the outside of the first fixed ring block 4 and the second fixed ring block 5 is symmetrically provided with a semi-fixed ring block 6, when the utility model is damaged and needs to be maintained in the using process, the maintenance work of workers is facilitated, the maintenance time is greatly saved, and the sealing structure provided by the utility model is more stable in connection, the sealing performance is better.

One side of the connecting pipe 2 is fixedly connected with a connecting pipe orifice 3, so that the utility model is convenient to install; fastening bolts 14 are connected to the inner part of the semi-fixed ring block 6 in an equidistant threaded manner, the fastening bolts 14 are in threaded connection with the first fixed ring block 4 and the second fixed ring block 5, and the semi-fixed ring block 6, the first fixed ring block 4 and the second fixed ring block 5 can be fixed in position; the top of the threaded rod 11 is fixedly connected with an inner groove block 12, so that the threaded rod 11 can be taken out conveniently; the bottom of the heat exchange tube 1 is symmetrically and fixedly connected with supporting legs, and the heat exchange tube 1 can be supported.

It is specific, right when needs the utility model discloses when dismantling, it takes out to rotate fastening bolt 14 earlier, then takes out two semi-solid ring pieces 6, rotates interior groove block 12 again and drives threaded rod 11, takes out threaded rod 11 back, stimulates 8 compression spring 13 of slider, and slider 8 drives the hornblock 9 simultaneously, when the hornblock 9 no longer carries out the rigidity to fixed block 10, can take out connecting pipe 2, when needs are installed, otherwise carry out above operation can, can be right through connecting pipe orifice 3 the utility model discloses install and use.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 connects sealing mechanism, includes heat exchange tube (1), its characterized in that, the both sides of heat exchange tube (1) are equipped with connecting pipe (2), the outside symmetry fixedly connected with first retainer ring piece (4) of heat exchange tube (1), spout (7) have been seted up to the inside of first retainer ring piece (4), the inner wall sliding connection of spout (7) has slider (8), the top fixedly connected with spring (13) of slider (8), the bottom fixedly connected with angle block (9) of slider (8), the inside symmetry fixedly connected with fixed block (10) of connecting pipe (2), angle block (9) and fixed block (10) joint, the inside symmetry threaded connection of first retainer ring piece (4) has threaded rod (11), the outside fixedly connected with second retainer ring piece (5) of connecting pipe (2), threaded rod (11) and second fixed ring piece (5) threaded connection, the outside symmetry of first fixed ring piece (4) and second fixed ring piece (5) is equipped with semi-solid ring piece (6).

2. The shell and tube heat exchanger connection sealing mechanism of claim 1, wherein: one side of the connecting pipe (2) is fixedly connected with a connecting pipe orifice (3).

3. The connection sealing mechanism of the shell-and-tube heat exchanger as claimed in claim 1, wherein: the inside equidistance threaded connection of semi-solid ring piece (6) has fastening bolt (14), fastening bolt (14) all with first stationary ring piece (4) and second stationary ring piece (5) threaded connection.

4. The shell and tube heat exchanger connection sealing mechanism of claim 1, wherein: the top of the threaded rod (11) is fixedly connected with an inner groove block (12).

5. The shell and tube heat exchanger connection sealing mechanism of claim 1, wherein: the bottom of the heat exchange tube (1) is symmetrically and fixedly connected with supporting legs.