CN217818272U

CN217818272U - Shock-proof buffer type tubular heat exchanger

Info

Publication number: CN217818272U
Application number: CN202221250058.8U
Authority: CN
Inventors: 杨杰; 杨俊�; 赵李超
Original assignee: Zhejiang Qianjin Heating Ventilation Technology Co ltd
Current assignee: Zhejiang Qianjin Heating Ventilation Technology Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-11-15
Anticipated expiration: 2032-05-23

Abstract

The utility model provides an anti-shock buffer tubular heat exchanger, which aims at the defect that the heat exchange tube in the tubular heat exchanger in the prior art can generate large shaking when the fluid flows, and belongs to the technical field of heat exchangers; a buffer connecting piece is arranged between the vertical pipes and is formed by bending an elastic metal sheet, the buffer connecting piece comprises a connecting piece and two buckling parts, and the central angle of each buckling part is larger than 180 degrees; the shell is provided with a tube side fluid inlet, a tube side fluid outlet, a shell side fluid inlet and a shell side fluid outlet. The utility model discloses an installation buffering connecting piece on the heat exchange tube can carry out certain reinforcement to the heat exchange tube, reduces rocking that the heat exchange tube produced, and then promotes tubular heat exchanger's stability, extension tubular heat exchanger's life.

Description

Shock-proof buffer type tubular heat exchanger

Technical Field

The utility model belongs to the technical field of the heat exchanger, concretely relates to antidetonation buffering formula tubular heat exchanger.

Background

The shell and tube heat exchanger is a very common industrial production device in various industries relating to heat exchange of two fluids such as chemical industry, metallurgy, medicine, electric power, heat energy and the like, is an energy-saving device for realizing heat transfer between materials between two or more fluids with different temperatures, and is one of main devices for improving the energy utilization rate by transferring heat from the fluid with higher temperature to the fluid with lower temperature to ensure that the temperature of the fluid reaches the index specified by the process so as to meet the requirements of process conditions. The whole of the heat exchange tube among the tubular heat exchanger who uses at present is longer, buckles and sets up in the heat exchange tube, and heat exchange medium can cause certain impact to the heat exchange tube when flowing in the heat exchange tube, makes the heat exchange tube can produce great rocking, not only can influence tubular heat exchanger's stability, and long-time use can cause tubular heat exchanger's damage moreover, shortens tubular heat exchanger's life.

Disclosure of Invention

The utility model discloses can produce the great drawback of rocking when the fluid flows to the heat exchange tube in the tubular heat exchanger among the prior art, provide an antidetonation buffering formula tubular heat exchanger, this heat exchanger can carry out certain reinforcement to the heat exchange tube through installation buffering connecting piece on the heat exchange tube, reduces rocking that the heat exchange tube produced, and then promotes tubular heat exchanger's stability, extension tubular heat exchanger's life.

The invention aims to be realized by the following technical scheme: an anti-seismic buffer type tubular heat exchanger comprises a shell and a heat exchange tube arranged in the shell, wherein the heat exchange tube is formed by bending a hollow tube, two ends of the heat exchange tube are respectively and fixedly connected with the shell, the heat exchange tube comprises a plurality of vertical tubes which are vertically arranged and are parallel to each other, and a connecting tube is fixedly connected between the end parts of the vertical tubes; the buffer connecting piece is arranged between the vertical pipes and is formed by bending an elastic metal sheet, the buffer connecting piece comprises a connecting piece and two buckling parts which are respectively fixed at two ends of the connecting piece and are of circular arc structures, the central angle of each buckling part is larger than 180 degrees, the vertical pipes can be embedded into the buckling parts, and the vertical pipes are in interference fit with the buckling parts; the shell is provided with a tube side fluid inlet, a tube side fluid outlet, a shell side fluid inlet and a shell side fluid outlet, the tube side fluid inlet is communicated with one tube opening of the heat exchange tube, the other tube opening of the heat exchange tube is communicated with the tube side fluid outlet, and the shell side fluid inlet and the shell side fluid outlet are communicated with the inner cavity of the shell. In the above scheme, through the setting of buffering connecting piece, can connect the reinforcement between the standpipe on the heat exchange tube, can reduce rocking that the heat exchange tube produced, simultaneously, the installation and the dismantlement of buffering connecting piece are also very convenient. The buffer connecting piece formed by bending the elastic metal sheet can also play a role in heat conduction, and the heat exchange performance of the tubular heat exchanger is improved.

Preferably, the connection part of the connecting sheet and the buckling part is of an arc-shaped structure, and one side of the buckling part, which is back to the connecting sheet, is fixedly connected with a guide part which is bent towards the outer side. The setting of guide part makes the buckling parts install on the standpipe more easily.

Preferably, the guide portion has a circular arc-shaped structure.

Preferably, the connecting piece is of a circular arc structure. The buffer connecting piece is formed by bending an elastic metal sheet, and the connecting piece is of an arc-shaped structure, so that the connecting piece can have certain elasticity, and the vertical pipes provided with the buffer connecting pieces have certain elastic buffer performance instead of rigid connection.

Preferably, the standpipe lateral surface is equipped with the ring groove around the standpipe central line setting, the last buckling parts embedding of buffering connecting piece the ring inslot. The setting in ring groove can vertically be spacing to the buckling parts.

Preferably, the connecting pipe is a circular arc pipe.

Preferably, the shell comprises a middle pipe with a circular pipe-shaped structure, the upper end of the middle pipe is detachably connected with an upper end cover, the lower end of the middle pipe is detachably connected with a lower end cover, and a supporting column for supporting the middle pipe is fixedly connected to the middle pipe; the tube side fluid inlet, the tube side fluid outlet, the shell side fluid inlet and the shell side fluid outlet are all arranged on the middle tube. Set up like this, dismantle the back with upper end cover and bottom end cover from the well pipe, just can overhaul the intraductal heat exchange tube of centering, it is very convenient.

Preferably, sealing rings are arranged between the upper end cover and the middle pipe and between the lower end cover and the middle pipe.

Preferably, the lower end face of the upper end cover and the upper end face of the lower end cover are both provided with grooves, the upper end and the lower end of the middle pipe are respectively sleeved in the grooves in the upper end cover and the grooves in the lower end cover, and the upper end cover and the lower end cover are respectively pressed and fixed at the upper end and the lower end of the middle pipe through the tensioning mechanism.

Preferably, the outer side surface of the upper end cover and the outer side surface of the lower end cover are fixedly provided with connecting lugs, the connecting lugs on the upper end cover correspond to the connecting lugs on the lower end cover one to one, through holes are formed in the connecting lugs, one tensioning mechanism is arranged between the connecting lugs in one-to-one correspondence of each group, each tensioning mechanism comprises a pull rod which penetrates through the through holes in the two connecting lugs, one end of each pull rod is fixedly connected with a limiting block which is tightly pressed on one of the connecting lugs, the side surfaces of the periphery of each limiting block are protruded relative to the pull rod, and the other end of each pull rod is screwed with a nut which is tightly pressed on the other connecting lug. Through the setting of straining mechanism, can be convenient for the dismouting between upper end cover, well pipe, the lower end cover.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a buffer connecting piece that sets up can promote the structural stability of heat exchange tube, can reduce rocking in the heat exchange tube shell, and then promotes tubular heat exchanger's stability, prolongs tubular heat exchanger's life, simultaneously, through the straining device who sets up, can be convenient for the dismouting between upper end cover, well pipe, the lower end cover.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic structural view of a heat exchange tube fitted with a buffer connector;

FIG. 3 is a perspective view of a buffer connector;

FIG. 4 is a schematic view of a standpipe portion;

FIG. 5 is a perspective view of the upper end cap;

FIG. 6 is a perspective view of the lower end cap;

FIG. 7 is a perspective view of the tightening mechanism;

the labels in the figure are: 1. the shell, 2, the heat exchange tube, 3, the standpipe, 4, the connecting pipe, 5, the buffering connecting piece, 6, the connection piece, 7, the buckling parts, 8, the guide part, 9, the circular groove, 10, tube side fluid inlet, 11, tube side fluid outlet, 12, shell side fluid inlet, 13, shell side fluid outlet, 14, well pipe, 15, the upper end cover, 16, the lower end cover, 17, the sealing washer, 18, the recess, 19, tensioning mechanism, 20, the engaging lug, 21, the through-hole, 22, the pull rod, 23, the stopper, 24, the nut, 25, the support column.

Detailed Description

The invention will be further described with reference to the embodiments shown in the drawings to which:

example 1

As shown in fig. 1-7, an anti-seismic buffer tubular heat exchanger comprises a housing 1 and a heat exchange tube 2 arranged in the housing 1, wherein the heat exchange tube 2 is formed by bending a hollow tube, two ends of the heat exchange tube 2 are respectively fixedly connected with the housing 1, the heat exchange tube 2 comprises a plurality of vertical tubes 3 which are arranged vertically and are parallel to each other, a connecting tube 4 is fixedly connected between the ends of the vertical tubes 3, and the connecting tube 4 is an arc tube. Be equipped with buffering connecting piece 5 between standpipe 3, buffering connecting piece 5 is become by a slice elastic metal piece bending type, and buffering connecting piece 5 includes connection piece 6 and two buckling parts 7 of fixing respectively at the convex structure at connection piece 6 both ends, connection piece 6 is convex structure, the central angle of buckling part 7 is greater than 180, and connection piece 6 is convex structure with the junction of buckling part 7, one side fixedly connected with outside bending setting's guide part 8 is carried on the back to connection piece 6 to buckling part 7, guide part 8 is convex structure. Standpipe 3 can imbed in the buckling parts 7 and interference fit between standpipe 3 and the

buckling parts

7, 3 lateral surfaces of standpipe are equipped with the circular groove 9 around 3 central lines of standpipe setting, 7 imbeds of buckling parts on the buffering connecting piece 5 in the circular groove 9. The shell 1 is provided with a tube side fluid inlet 10, a tube side fluid outlet 11, a shell side fluid inlet 12 and a shell side fluid outlet 13, the tube side fluid inlet 10 is communicated with one tube opening of the heat exchange tube 2, the other tube opening of the heat exchange tube 2 is communicated with the tube side fluid outlet 11, and the shell side fluid inlet 12 and the shell side fluid outlet 13 are communicated with the inner cavity of the shell.

The shell 1 comprises a middle pipe 14 in a circular pipe-shaped structure, the upper end of the middle pipe 14 is detachably connected with an upper end cover 15, the lower end of the middle pipe 14 is detachably connected with a lower end cover 16, and sealing rings 17 are arranged between the upper end cover 15 and the middle pipe 14 and between the lower end cover 16 and the middle pipe 14. The lower end face of the upper end cover 15 and the upper end face of the lower end cover 16 are both provided with grooves 18, the sealing rings 17 are arranged in the grooves 18, the upper end and the lower end of the middle pipe 14 are respectively sleeved in the grooves 18 on the upper end cover 15 and the grooves 18 on the lower end cover 16, and the upper end cover 15 and the lower end cover 16 are respectively pressed and fixed at the upper end and the lower end of the middle pipe 14 through the tensioning mechanism 19. 15 lateral surface of upper end cover and 16 lateral surfaces of lower extreme cover all fix and are equipped with engaging lug 20, engaging lug 20 on the upper end cover 15 and the engaging lug 20 one-to-one on the lower extreme cover 16 are equipped with through-hole 21 on the engaging lug 20, all are equipped with one between the engaging lug 20 of each group one-to-one tensioning mechanism 19, tensioning mechanism 19 is including passing two engaging lugs 20 on through-hole 21's pull rod 22, and pull rod 22 one end fixedly connected with compresses tightly stopper 23 on one of them engaging lug 20, and stopper 23 side all around is outstanding for pull rod 22, and pull rod 22 other end spiro union has the nut 24 of compressing tightly on another engaging lug 20. A support column 25 for supporting the middle pipe 14 is fixedly connected to the middle pipe 14; the tube-side fluid inlet 10, the tube-side fluid outlet 11, the shell-side fluid inlet 12, and the shell-side fluid outlet 13 are all disposed on the middle tube 14.

In the application, can consolidate between the standpipe 3 on the heat transfer pipe 2 through buffering connecting piece 5, make connection structure between the standpipe 3 more stable, in buffering connecting piece 5, can be very simple and convenient install in ring groove 9 on standpipe 3 through the buckling parts 7 that set up, make the dismouting between buffering connecting piece 5 and the standpipe 3 very convenient, and connection piece 6 in the buffering connecting piece 5 is convex structure, and adopt the formation of elasticity sheetmetal bending type, make connection piece 6 have certain elasticity, thereby make and connect for elastic buffer between the standpipe 3, when producing the impact to heat exchange pipe in the heat exchange medium inflow heat exchange pipe, buffering connecting piece 5 can promote to carry out stability between the standpipe 3 through the elastic buffer effect, and then reduce rocking of heat exchange pipe, promote the stability of heat exchange pipe in shell 1, prolong tubular heat exchanger's life. Meanwhile, the tensioning mechanism 19 is arranged, so that the upper end cover 15, the middle pipe 14 and the lower end cover 16 can be conveniently disassembled.

It is to be understood that in the claims, the specification of the present invention, all "including … …" are to be understood in an open meaning, i.e., in a meaning equivalent to "containing at least … …", and not in a closed meaning, i.e., in a meaning not to be understood as "containing only … …".

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. The shock-proof buffer type tubular heat exchanger is characterized by comprising a shell (1) and a heat exchange tube (2) arranged in the shell (1), wherein the heat exchange tube (2) is formed by bending a hollow tube, two ends of the heat exchange tube (2) are respectively and fixedly connected with the shell (1), the heat exchange tube (2) comprises a plurality of vertical tubes (3) which are vertically arranged and are parallel to each other, and connecting tubes (4) are fixedly connected between the end parts of the vertical tubes (3); the buffer connecting piece (5) is arranged between the vertical pipes (3), the buffer connecting piece (5) is formed by bending a piece of elastic metal sheet, the buffer connecting piece (5) comprises a connecting piece (6) and two buckling parts (7) which are fixed at two ends of the connecting piece (6) and are of circular arc structures respectively, the central angle of each buckling part (7) is larger than 180 degrees, the vertical pipes (3) can be embedded into the buckling parts (7), and the vertical pipes (3) and the buckling parts (7) are in interference fit; the shell (1) is provided with a tube side fluid inlet (10), a tube side fluid outlet (11), a shell side fluid inlet (12) and a shell side fluid outlet (13), the tube side fluid inlet (10) is communicated with one pipe orifice of the heat exchange tube (2), the other pipe orifice of the heat exchange tube (2) is communicated with the tube side fluid outlet (11), and the shell side fluid inlet (12) and the shell side fluid outlet (13) are communicated with an inner cavity of the shell.

2. An earthquake-proof buffer type tubular heat exchanger according to claim 1, characterized in that the connection part of the connecting sheet (6) and the buckling part (7) is in a circular arc structure, and one side of the buckling part (7) back to the connecting sheet (6) is fixedly connected with a guide part (8) which is bent towards the outside.

3. An earthquake-resistant buffer type tubular heat exchanger according to claim 2, characterized in that the guide portion (8) is of a circular arc structure.

4. An earthquake-proof buffer-type tubular heat exchanger according to claim 1, 2 or 3, characterized in that the connecting piece (6) is of a circular arc structure.

5. An earthquake-proof buffer type tubular heat exchanger according to claim 1, characterized in that the outer side surface of the vertical pipe (3) is provided with an annular groove (9) arranged around the central line of the vertical pipe (3), and the buckling part (7) on the buffer connecting piece (5) is embedded into the annular groove (9).

6. An earthquake-resistant buffer type tubular heat exchanger according to claim 1, characterized in that the connecting pipe (4) is a circular arc pipe.

7. An anti-seismic buffer type tubular heat exchanger according to claim 1, characterized in that the housing (1) comprises a middle tube (14) with a round tubular structure, an upper end cover (15) is detachably connected to the upper end of the middle tube (14), a lower end cover (16) is detachably connected to the lower end of the middle tube (14), and a support pillar (25) for supporting the middle tube (14) is fixedly connected to the middle tube (14); the tube-side fluid inlet (10), the tube-side fluid outlet (11), the shell-side fluid inlet (12) and the shell-side fluid outlet (13) are all arranged on the middle tube (14).

8. An aseismatic cushioned tube heat exchanger as set forth in claim 7 wherein sealing rings (17) are provided between said upper end cap (15) and the middle tube (14) and between the lower end cap (16) and the middle tube (14).

9. An anti-seismic buffer tubular heat exchanger according to claim 7 or 8, characterized in that grooves (18) are formed in both the lower end surface of the upper end cover (15) and the upper end surface of the lower end cover (16), the upper end and the lower end of the middle tube (14) are respectively sleeved in the grooves (18) formed in the upper end cover (15) and the grooves (18) formed in the lower end cover (16), and the upper end cover (15) and the lower end cover (16) are respectively pressed and fixed at the upper end and the lower end of the middle tube (14) by arranging a tensioning mechanism (19).

10. An anti-seismic buffer type tubular heat exchanger according to claim 9, characterized in that the outer side of the upper end cover (15) and the outer side of the lower end cover (16) are both fixedly provided with engaging lugs (20), the engaging lugs (20) on the upper end cover (15) and the engaging lugs (20) on the lower end cover (16) are in one-to-one correspondence, through holes (21) are provided on the engaging lugs (20), one tensioning mechanism (19) is provided between each group of the engaging lugs (20) in one-to-one correspondence, the tensioning mechanism (19) comprises a pull rod (22) passing through the through holes (21) on the two engaging lugs (20), one end of the pull rod (22) is fixedly connected with a limiting block (23) pressed on one of the engaging lugs (20), the peripheral side of the limiting block (23) protrudes relative to the pull rod (22), and the other end of the pull rod (22) is screwed with a nut (24) pressed on the other engaging lug (20).