CN219064230U

CN219064230U - Heat exchanger tube mounting structure

Info

Publication number: CN219064230U
Application number: CN202223244995.5U
Authority: CN
Inventors: 王德东; 范伟光; 韦先平; 李忠
Original assignee: Shandong Yanlu Energy Saving Technology Co ltd
Current assignee: Shandong Yanlu Energy Saving Technology Co ltd
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-05-23
Anticipated expiration: 2032-12-05

Abstract

The utility model discloses a heat exchanger tube mounting structure, which belongs to the technical field of shell-and-tube heat exchangers and aims at the problems that the heat transfer tube in the shell-and-tube heat exchanger in the prior art is inconvenient to assemble and disassemble, so that the maintenance cost is high and inconvenience is brought to users; according to the utility model, the water in the water containing cylinder is extruded and pushed into the liquid filling cavity through the metal communicating pipe by the output end of the pushing mechanism, so that the annular rubber block is expanded and tightly pressed on the surface of the extending part of the tubular heat transfer pipe and the inner side wall in the tubular heat transfer pipe, the tubular heat transfer pipe and the tubular heat transfer pipe are rapidly fixed and sealed, the tubular heat transfer pipe is rapidly fixed and sealed on the port of the shell, and the tubular heat transfer pipe is rapidly assembled and disassembled.

Description

Heat exchanger tube mounting structure

Technical Field

The utility model belongs to the technical field of shell-and-tube heat exchangers, and particularly relates to a heat exchanger tube mounting structure.

Background

The shell-and-tube heat exchanger is used as a traditional heat exchanger structure, and the commonly used shell-and-tube heat exchanger comprises a shell-side cylinder body, a baffle plate, a pull rod, a distance tube, a guide cylinder, a heat exchange tube, a tube plate, a tube box, a tube side inlet outlet connecting tube, a shell side inlet outlet connecting tube and the like; the shell is cylindrical, a tube bundle is arranged in the shell, two ends of the tube bundle are fixed on the tube plate, and two fluids for heat exchange, namely cold fluid and hot fluid, flow in the tube and are called tube side fluid; the other type of the shell-side fluid flows outside the tube, is called shell-side fluid, and has the characteristics of simple structure, low manufacturing cost, convenient maintenance, strong applicability, high safety, wide material selection range, large processing capacity and the like.

The shell-and-tube heat exchanger in the market at present is generally through welding or through flange with shell-and-tube heat transfer pipe and tube sheet fixed connection to install shell with shell-and-tube heat transfer pipe in, can produce some incrustation scale after shell-and-tube heat exchanger used a period of time, perhaps when the heat transfer pipe damaged, need the unscheduled heat transfer pipe clearance of installing and removing and overhaul, current through welding or flange joint mode all makes the heat transfer pipe install and remove very inconvenient, leads to the maintenance cost higher, brings inconvenience for the user.

Therefore, a heat exchanger tube installation structure is needed to solve the problems that the heat transfer tube in the shell-and-tube heat exchanger in the prior art is inconvenient to assemble and disassemble, so that the maintenance cost is high and inconvenience is brought to users.

Disclosure of Invention

The utility model aims to provide a heat exchanger tube mounting structure for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a heat exchanger tube mounting structure, includes the casing, be provided with shell and tube type heat transfer pipe in the casing, the top of casing is fixed with the takeover b with the inside intercommunication of casing, the one end adaptation of casing has the pipe case, the top of pipe case is fixed with the takeover a with the inside intercommunication of pipe case, the inside mounting groove that is annular that has seted up of pipe case, the mounting groove internal fixation has annular rubber piece, the liquid filling chamber has been seted up in the annular rubber piece, be fixed with the metal communicating pipe with liquid filling chamber intercommunication on the lateral wall of annular rubber piece, the one end that the annular rubber piece was kept away from to the metal communicating pipe stretches out from the pipe incasement and communicates and holds the liquid section of thick bamboo, hold and be provided with the pushing and pressing mechanism with liquid filling chamber intercommunication on the liquid section of thick bamboo.

In the scheme, the pushing mechanism comprises a piston plate tightly attached to the inner side wall of the liquid containing barrel, a connecting rod is fixed at the center of the piston plate, an inner threaded outer sleeve is fixed at one end of the connecting rod, far away from the piston plate, and the inner side wall of the inner threaded outer sleeve is in threaded connection with the outer side wall of the metal communicating pipe.

It is further worth to say that the center of the top end of the internal thread outer sleeve is fixed with a joint post, and the side face of the joint post is fixed with a rotating handle with a rectangular section.

It should be further noted that the bottom end of the tube box is fixed with a supporting plate, the bottom end of the supporting plate is fixed with a bottom plate, and two symmetrically distributed screw holes are formed in the side face of the bottom plate.

As a preferable embodiment, a rubber sleeve is attached and fixed on the surface of the turnbuckle, and the length of the rubber sleeve is equal to that of the turnbuckle.

Compared with the prior art, the heat exchanger tube mounting structure provided by the utility model at least comprises the following beneficial effects:

(1) The piston plate is used for extruding and pushing water in the liquid containing cylinder into the liquid filling cavity through the metal communicating pipe, so that the annular rubber block is expanded and tightly pressed on the surface of the extending part of the tubular heat transfer pipe and the inner side wall in the tubular heat transfer pipe, the tubular heat transfer pipe and the tubular heat transfer pipe are rapidly fixed and sealed, the tubular heat transfer pipe is rapidly fixed and sealed and mounted on a port of a shell, the tubular heat transfer pipe is rapidly fixed and mounted on the port of the shell through a flange plate and a plurality of screws, otherwise, the tubular heat transfer pipe and the shell can be rapidly detached by reversing the inner threaded outer sleeve, and rapid packaging and rapid detachment of the tubular heat transfer pipe are realized, and the assembly and the disassembly are convenient and labor-saving.

(2) The joint post is driven to rotate through the rotating handle, the joint post drives the internal thread outer sleeve to rotate, the joint post arm of force is long, the operation is labor-saving, the pipe box is fixedly supported through the supporting plate and the pipe box, and the pipe box is fixed through installing screws in screw holes.

Drawings

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

FIG. 2 is a schematic view of a partial structure of a tube array heat transfer tube according to the present utility model;

FIG. 3 is a schematic view of a partial structure of an annular rubber block according to the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 3 at a.

In the figure: 1. a pushing mechanism; 101. a piston plate; 102. a connecting rod; 103. an internally threaded outer sleeve; 104. a rotating handle; 2. a housing; 3. a tube box; 4. a bottom plate; 5. taking over the pipe a; 6. taking over b; 7. tube array type heat transfer tube; 8. a mounting groove; 9. an annular rubber block; 10. a liquid filling cavity; 11. a rubber sleeve; 12. a metal communicating tube; 13. a liquid containing cylinder; 14. screw holes; 15. a connector post; 16. and a support plate.

Detailed Description

The utility model is further described below with reference to examples.

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model, and it is apparent that the described embodiments are some, but not all, embodiments of the present utility model, and all other embodiments obtained by persons of ordinary skill in the art without inventive labor based on the described embodiments of the present utility model are included in the scope of protection of the present utility model.

The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.

Referring to fig. 1-4, the utility model provides a heat exchanger tube mounting structure, which comprises a shell 2, wherein a tube array type heat transfer tube 7 is arranged in the shell 2, a connecting tube b6 communicated with the inside of the shell 2 is fixed at the top end of the shell 2, a tube box 3 is adapted to one end of the shell 2, a connecting tube a5 communicated with the inside of the tube box 3 is fixed at the top end of the tube box 3, an annular mounting groove 8 is formed in the tube box 3, an annular rubber block 9 is fixed in the mounting groove 8, a liquid filling cavity 10 is formed in the annular rubber block 9, a metal communicating tube 12 communicated with the liquid filling cavity 10 is fixed on the side wall of the annular rubber block 9, one end, far away from the annular rubber block 9, of the metal communicating tube 12 extends out of the tube box 3 and is communicated with a liquid containing cylinder 13, and a pushing mechanism 1 communicated with the liquid filling cavity 10 is arranged on the liquid containing cylinder 13; when the tube array heat transfer tube 7 is installed, the tube array heat transfer tube 7 is inserted into the shell 2, one end of the tube array heat transfer tube 7 extends out of the port of the shell 2, the tube box 3 is sleeved on the extending end of the tube array heat transfer tube 7, the inner ring side surface of the annular rubber block 9 is in contact with the extending part surface of the tube array heat transfer tube 7, water is contained in the liquid filling cavity 10, the metal communicating tube 12 and the liquid containing tube 13, the water in the water containing tube 13 is extruded and pushed into the liquid filling cavity 10 through the metal communicating tube 12 by the output end of the pushing mechanism 1 through the rotating pushing mechanism 1, so that the annular rubber block 9 is tightly pressed on the extending part surface of the tube array heat transfer tube 7 and the inner side wall in the tube box 3 in an expanding mode, the tube box 3 and the tube array heat transfer tube 7 are quickly fixed and sealed, the tube box 3 is quickly fixed and sealed on the port of the shell 2 is avoided, the tube box 3 is quickly and fixedly installed on the port of the shell 2 through a flange plate and a plurality of screws, and therefore the tube array heat transfer tube 7 is packaged conveniently and quickly.

As further shown in fig. 1, 2 and 4, it is worth specifically describing that the pushing mechanism 1 includes a piston plate 101 closely attached to the inner side wall of the liquid containing cylinder 13, a connecting rod 102 is fixed at the center of the piston plate 101, an internal thread outer sleeve 103 is fixed at one end of the connecting rod 102 far away from the piston plate 101, and the inner side wall of the internal thread outer sleeve 103 is in threaded connection with the outer side wall of the metal communicating pipe 12; through the internal thread outer sleeve 103 of lower rotating, the internal thread outer sleeve 103 drives the connecting rod 102 to move downwards, the connecting rod 102 drives the piston plate 101 to move downwards, the piston plate 101 presses water in the liquid containing cylinder 13 into the liquid filling cavity 10 through the metal communicating pipe 12, so that the annular rubber block 9 is expanded and tightly pressed on the surface of the extending part of the tubular heat transfer tube 7 and the inner side wall in the tube box 3, the tube box 3 and the tubular heat transfer tube 7 are rapidly fixed and sealed, the tube box 3 is rapidly fixed and sealed and installed on a port of the shell 2, the tube box 3 is prevented from being fixedly installed on the port of the shell 2 through a flange plate and a plurality of screws, otherwise, the tube box 3 and the shell 2 can be rapidly separated by reversing the internal thread outer sleeve 103, and rapid packaging and rapid dismounting of the tubular heat transfer tube 7 are realized, and the assembly and disassembly are convenient and labor-saving.

Further, as shown in fig. 4, it is worth specifically explaining that a joint post 15 is fixed at the center of the top end of the inner threaded outer sleeve 103, and a stem 104 with a rectangular cross section is fixed on the side surface of the joint post 15; in specific work, the joint post 15 is driven to rotate by rotating the rotating handle 104, the joint post 15 drives the inner thread outer sleeve 103 to rotate, the arm of force of the joint post 15 is long, and the operation is labor-saving.

The scheme comprises the following working processes: when the tube array type heat transfer tube 7 is installed, firstly, the tube array type heat transfer tube 7 is inserted into the shell 2, one end of the tube array type heat transfer tube 7 extends out of the port of the shell 2, then the tube box 3 is sleeved on the extending end part of the tube array type heat transfer tube 7, so that the inner ring side surface of the annular rubber block 9 is in contact with the extending part surface of the tube array type heat transfer tube 7, water is filled in the liquid filling cavity 10, the metal communicating tube 12 and the liquid containing tube 13, the joint column 15 is driven to rotate by the rotating handle 104, the joint column 15 drives the inner threaded outer sleeve 103 to rotate, the connecting rod 102 is driven to move downwards by the lower threaded inner threaded outer sleeve 103, the connecting rod 102 drives the piston plate 101 to move downwards, the piston plate 101 extrudes and pushes water in the liquid containing cylinder 13 into the liquid filling cavity 10 through the metal communicating pipe 12, so that the annular rubber block 9 is expanded and tightly pressed on the surface of the extending part of the tubular heat transfer tube 7 and the inner side wall in the tubular heat transfer tube 3, the tubular heat transfer tube 7 and the tubular heat transfer tube 3 are rapidly fixed and sealed, the tubular heat transfer tube 3 is rapidly fixed and sealed and mounted on a port of the shell 2, otherwise, the tubular heat transfer tube 3 and the shell 2 can be rapidly detached by reversing the internal thread outer sleeve 103, and accordingly rapid packaging and rapid detachment of the tubular heat transfer tube 7 are achieved.

The working process can be as follows: the output end of the pushing mechanism 1 is used for pushing water in the water containing cylinder 13 into the liquid filling cavity 10 through the extrusion of the metal communicating pipe 12, so that the annular rubber block 9 is expanded and tightly pressed on the surface of the extending part of the tubular heat transfer pipe 7 and the inner side wall in the tubular heat transfer pipe 3, the tubular heat transfer pipe 3 and the tubular heat transfer pipe 7 are rapidly fixed and sealed, the tubular heat transfer pipe 3 is rapidly fixed and sealed and mounted on a port of the shell 2, the tubular heat transfer pipe 3 is rapidly fixed and mounted on the port of the shell 2 through a flange plate and a plurality of screws, and therefore packaging of the tubular heat transfer pipe 7 is rapidly realized, and the installation is convenient and labor-saving.

As further shown in fig. 1 and 3, it is worth specifically explaining that the bottom end of the tube box 3 is fixed with a support plate 16, the bottom end of the support plate 16 is fixed with a bottom plate 4, and two symmetrically distributed screw holes 14 are formed on the side surface of the bottom plate 4; in a specific operation, the pipe box 3 is fixedly supported by the support plate 16 and the bottom plate 4, and the pipe box 3 is fixed by installing screws in the screw holes 14.

Further, as shown in fig. 4, it is worth specifically explaining that the rubber sleeve 11 is attached and fixed on the surface of the stem 104, and the length of the rubber sleeve 11 is equal to the length of the stem 104; in specific work, the rubber sleeve 11 effectively improves the friction force when holding the rotary handle 104, and the rotation is labor-saving.

To sum up: the output end of the pushing mechanism 1 is used for pushing water in the water containing cylinder 13 into the liquid filling cavity 10 through the extrusion of the metal communicating pipe 12, so that the annular rubber block 9 is expanded and tightly pressed on the surface of the extending part of the tubular heat transfer pipe 7 and the inner side wall in the tubular heat transfer pipe 3, the tubular heat transfer pipe 3 and the tubular heat transfer pipe 7 are quickly fixed and sealed, the tubular heat transfer pipe 3 is quickly fixed and sealed on a port of the shell 2, the tubular heat transfer pipe 7 is quickly packaged, the installation is convenient and labor-saving, the tubular heat transfer pipe 3 is fixedly supported through the supporting plate 16 and the bottom plate 4, the tubular heat transfer pipe 3 is fixed through the installation of the screws in the screw holes 14, the friction force of the arranged rubber sleeve 11 when the rotating handle 104 is effectively improved, and the rotating labor is saved.

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs, the terms "comprising" or "comprises" and the like as used herein shall mean that the element or article preceding the term encompasses the element or article listed after the term and equivalents thereof without excluding other elements or articles, and that the terms "connected" or "connected" and the like shall not be limited to physical or mechanical connections, but shall also include electrical connections, whether direct or indirect, "upper", "lower", "left", "right", etc. are merely intended to indicate relative positional relationships that may also be correspondingly altered when the absolute position of the object being described is altered.

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 mounting structure, includes casing (2), its characterized in that, be provided with shell and tube heat transfer tube (7) in casing (2), the top of casing (2) is fixed with takeover b (6) with the inside intercommunication of casing (2), the one end of casing (2) is adapted with pipe case (3), the top of pipe case (3) is fixed with takeover a (5) with the inside intercommunication of pipe case (3), pipe case (3) are inside to have seted up and are annular mounting groove (8), mounting groove (8) internal fixation has annular rubber piece (9), set up liquid filling chamber (10) in annular rubber piece (9), be fixed with on the lateral wall of annular rubber piece (9) with liquid filling chamber (10) intercommunication metal communicating pipe (12), one end that annular rubber piece (9) were kept away from in pipe case (3) stretches out and the intercommunication has liquid holding section of thick bamboo (13), be provided with on liquid holding section of thick bamboo (13) with bulldozing mechanism (1) with liquid filling chamber (10) intercommunication.

2. The heat exchanger tube mounting structure according to claim 1, wherein the pushing mechanism (1) comprises a piston plate (101) tightly attached to the inner side wall of the liquid containing tube (13), a connecting rod (102) is fixed at the center of the piston plate (101), an inner threaded outer sleeve (103) is fixed at one end of the connecting rod (102) far away from the piston plate (101), and the inner side wall of the inner threaded outer sleeve (103) is in threaded connection with the outer side wall of the metal communicating tube (12).

3. A heat exchanger tube mounting structure according to claim 2, wherein a joint post (15) is fixed to the center of the top end of the female outer sleeve (103), and a stem (104) having a rectangular cross section is fixed to the side surface of the joint post (15).

4. The heat exchanger tube mounting structure according to claim 1, wherein a supporting plate (16) is fixed at the bottom end of the tube box (3), a bottom plate (4) is fixed at the bottom end of the supporting plate (16), and two symmetrically distributed screw holes (14) are formed in the side surface of the bottom plate (4).

5. A heat exchanger tube mounting structure according to claim 3, wherein the surface of the stem (104) is fixedly attached with a rubber sleeve (11), and the length of the rubber sleeve (11) is equal to the length of the stem (104).