CN214371903U - Spiral baffle type double-pipe heat exchanger - Google Patents

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a spiral baffle type sleeve heat exchanger, which comprises an outer sleeve, an inner pipe and a spiral baffle plate, wherein both sides of the bottom of the outer sleeve are fixedly provided with supporting foot frames, the inside of the outer sleeve is provided with a heat exchange cavity, the inside of the heat exchange cavity is transversely and fixedly provided with the spiral baffle plate, a plurality of groups of equidistant inner pipes are transversely arranged on the spiral baffle plate in a penetrating way, both sides of the outer sleeve are fixedly provided with mounting side plates, a plurality of groups of equidistant mounting through holes are arranged on the mounting side plates, both ends of the inner pipes penetrate through the inside of the mounting through holes, one side of the top of the outer sleeve is provided with a shell pass inlet in a penetrating way, the whole device of the utility model has simple structure, on one hand, the flow speed of A liquid before and after heat exchange is not influenced, on the other hand, the flow speed of the A liquid in the inner pipe can be reduced, thereby it is long when prolonging its flow, and then can promote heat transfer performance for the heat transfer effect is better, has certain popularization effect.

Description

Spiral baffle type double-pipe heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field specifically is a spiral baffle type double-pipe heat exchanger.

Background

The double-pipe heat exchanger is a concentric sleeve pipe formed by connecting two standard pipes with different sizes, the outer pipe side is called shell side, the inner pipe side is called tube side, two different mediums can reversely flow (or are in the same direction) in the shell side and the tube side to achieve the heat exchange effect, the heat exchanger has a plurality of outstanding advantages, so far, the heat exchanger is widely used in the industrial departments of petrochemical industry and the like, simultaneously, the baffle plate is an important part for improving the work efficiency of the heat exchanger, the most commonly used bow-shaped baffle plate in the traditional heat exchanger has the defects of large flow resistance and pressure drop, dead zone of flow stagnation, easy scaling, small average temperature difference of heat transfer, easy failure under the vibration condition and the like, and is gradually replaced by the spiral baffle plate in recent years, but the existing spiral baffle plate type double-pipe heat exchanger has the installation and connection structure of flanges at two ends directly when being installed, and the structures of pressurization and depressurization at two sides are not generated, so that the flow rates before and after heat exchange and during heat exchange are not changed, the heat exchange performance cannot be improved, so that a spiral baffle type double-pipe heat exchanger is needed to improve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spiral baffle plate type double-pipe heat exchanger 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:

the utility model provides a spiral baffling plate type double-pipe heat exchanger, includes outer tube, inner tube and spiral baffling board, the equal fixed mounting in bottom both sides of outer tube has the support foot rest, the heat transfer cavity has been seted up to the inside of outer tube, the horizontal fixed mounting in heat transfer cavity has the spiral baffling board, transversely run through the inner tube that is provided with a plurality of equidistance of group on the spiral baffling board, the equal fixed mounting in outer tube both sides face has the installation curb plate, set up the installation through-hole of a plurality of equidistance of group on the installation curb plate, and the inside of installation through-hole is run through at inner tube both ends, top one side of outer tube link up and is provided with the shell side import, bottom one side that the shell side import was kept away from to the outer tube link up and is provided with shell side export, the both ends of outer tube are overlapped respectively and are equipped with first gland, second gland, be provided with dispersion chamber between first gland, the installation curb plate respectively, The concentrated cavity, one side that installation curb plate was kept away from to first gland, second gland link up respectively and install partial pressure fill, pressure collecting hopper, partial pressure fill, pressure collecting hopper are kept away from one side of outer tube and are provided with tube side import, tube side export respectively, partial pressure fill and tube side import, pressure collecting hopper and tube side export all through flange fixed connection.

Preferably, the outer sleeve, the inner tube and the spiral baffle are all made of iron-based multi-element alloy in a customized mode.

Preferably, a plurality of groups of equidistant through holes are formed in the spiral baffle plate, the inner pipe penetrates through the inside of the through holes, and the diameters of the inner pipe and the inner pipe are equal.

Preferably, the first pressing cover, the partial pressure hopper, the second pressing cover and the pressure collecting hopper are integrally formed, and the diameters of the partial pressure hopper and the diameters of the pressure collecting hopper are gradually increased and gradually reduced respectively.

Preferably, the outer sleeve, the supporting foot rest, the spiral baffle plate, the mounting side plate, the first pressing cover and the second pressing cover are welded through an electric welding machine, and the top of the supporting foot rest is arc-shaped.

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

1. in the utility model, when in use, the liquid A and the liquid B which need to be carried out can be respectively imported through the tube pass and imported into the inner tube and the heat exchange cavity, and the liquid B moves along with the curved surface of the spiral baffle plate and carries out the heat exchange operation with the liquid A which carries out radial motion in the inner tube in the heat exchange cavity, and the liquid A and the liquid B which finish the heat exchange operation are respectively exported through the tube pass and the shell pass, meanwhile, the liquid A can respectively pass through the partial pressure hopper and the pressure collecting hopper after the liquid A is imported and before the liquid A is exported and exported, then respectively enter the dispersion cavity and the pressure collecting cavity to disperse the pressure and concentrate the pressure, thereby reducing the pressure of the liquid A before entering the inner tube, increasing the pressure after exporting the inner tube, not influencing the flow rate of the liquid A around the heat exchange on the one hand, on the other hand, the flow rate of the liquid A in the inner tube can be reduced through pressure, thereby it is long when flowing to prolong it, and then can promote heat transfer performance for the heat transfer effect is better, and here simultaneously, through partial pressure fill, the pressure buffering after the pressure boost of pressure-dividing fill, collection pressure fill that set up can carry out the decompression to A liquid, can effectively reduce the organism loss of whole device, and the pressure boost that sets up, the structure cost of decompression are with low costs, need not outside power equipment and support, and is economical and effective.

Drawings

FIG. 1 is a schematic view of the overall front view of the external structure of the present invention;

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

FIG. 3 is a side view of the side plate of the present invention;

in the figure: 1. an outer sleeve; 2. an inner tube; 3. a helical baffle plate; 4. a heat exchange cavity; 5. installing a side plate; 6. a shell side inlet; 7. a shell-side outlet; 8. a tube side inlet; 9. a tube side outlet; 10. a connecting flange; 11. a pressure dividing hopper; 12. a pressure collecting hopper; 13. a first gland; 14. a second gland; 15. a concentration chamber; 16. a dispersion chamber; 17. a supporting foot rest; 18. and installing the through hole.

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:

a spiral baffle type double-pipe heat exchanger comprises an outer pipe 1, an inner pipe 2 and a spiral baffle plate 3, wherein both sides of the bottom of the outer pipe 1 are fixedly provided with supporting foot frames 17, the inside of the outer pipe 1 is provided with a heat exchange cavity 4, the inside of the heat exchange cavity 4 is transversely and fixedly provided with the spiral baffle plate 3, the spiral baffle plate 3 is transversely provided with a plurality of groups of equidistant inner pipes 2 in a penetrating way, both side surfaces of the outer pipe 1 are fixedly provided with mounting side plates 5, the mounting side plates 5 are provided with a plurality of groups of equidistant mounting through holes 18, both ends of the inner pipes 2 penetrate through the inside of the mounting through holes 18, one side of the top of the outer pipe 1 is provided with a shell pass inlet 6 in a penetrating way, one side of the bottom of the outer pipe 1 far away from the shell pass inlet 6 is provided with a shell pass outlet 7 in a penetrating way, both ends of the outer pipe 1 are respectively sleeved with a first gland 13 and a second gland 14, a dispersion cavity 16 and a concentration cavity 15 are respectively arranged between the first gland 13, the second gland 14 and the mounting side plate 5, one side of the first gland 13 and the second gland 14, which is far away from the mounting side plate 5, is respectively provided with a pressure dividing hopper 11 and a pressure collecting hopper 12 in a penetrating way, one side of the pressure dividing hopper 11 and one side of the pressure collecting hopper 12, which is far away from the outer sleeve 1, are respectively provided with a tube pass inlet 8 and a tube pass outlet 9, the pressure dividing hopper 11, the tube pass inlet 8, the pressure collecting hopper 12 and the tube pass outlet 9 are fixedly connected through a connecting flange 10, when in use, liquid A and liquid B which need to be carried out are respectively led into the inner tube 2 and the heat exchange cavity 4 through the tube pass inlet 8 and the shell pass inlet 6, and the liquid B moves along with the curved surface of the spiral baffle plate 3 and carries out heat exchange operation with the liquid A which carries out radial movement in the inner tube 2 in the heat exchange cavity 4, so that the liquid A after the heat exchange operation is finished, The liquid B is respectively led out through a tube pass outlet 9 and a shell pass outlet 7, and simultaneously the liquid A is led in through a tube pass inlet 8, and respectively passes through a partial pressure hopper 11 and a pressure collecting hopper 12 before the liquid A is led out through the tube pass outlet 9, and then respectively enters a dispersion cavity 16 and a concentration cavity 15 to disperse the pressure and concentrate the pressure, so that the liquid A can be decompressed before entering the inner tube 2, and can be pressurized after the inner tube 2 is led out, on one hand, the flow rate of the liquid A before and after heat exchange is not influenced, on the other hand, the flow rate of the liquid A in the inner tube 2 can be slowed down through decompression, so that the flowing time of the liquid A is prolonged, the heat exchange performance can be improved, and the heat exchange effect is better, meanwhile, one pressure buffer organism before and after decompression and pressurization of the liquid A can be realized through the partial pressure hopper 11 and the pressure collecting hopper 12, the loss of the whole device can be effectively reduced, and the pressurization is realized, The structure cost of decompression is with low costs, need not outside power equipment and supports, and is economical effective.

The utility model discloses the theory of operation: when the device is used, liquid A and liquid B which need to be carried out can be respectively led into the inner pipe 2 and the heat exchange cavity 4 through the pipe pass inlet 8 and the shell pass inlet 6, the liquid B moves along with the curved surface of the spiral baffle plate 3 and carries out heat exchange operation with the liquid A which carries out radial movement in the inner pipe 2 in the heat exchange cavity 4, and the liquid A and the liquid B which finish the heat exchange operation are respectively led out through the pipe pass outlet 9 and the shell pass outlet 7, meanwhile, the liquid A respectively passes through the partial pressure hopper 11 and the pressure collecting hopper 12 after being led in through the pipe pass inlet 8 and before being led out through the pipe pass outlet 9, then respectively enters the dispersion cavity 16 and the pressure collecting cavity 15 to carry out pressure dispersion and pressure concentration, so that the liquid A can be decompressed before entering the inner pipe 2 and can be supercharged after being led out of the inner pipe 2, meanwhile, the pressure before and after being decompressed can be buffered through the partial pressure hopper 11 and the pressure collecting hopper 12, the whole device simple structure does not influence the velocity of flow of A liquid around the heat transfer on the one hand, and on the other hand accessible decompression slows down the velocity of flow of A liquid at the inside pipe to it is long when prolonging its flow, and then can promote heat transfer performance, makes the heat transfer effect better, has certain spreading value.

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 (5)

1. The utility model provides a spiral baffling formula double-pipe heat exchanger, includes outer tube (1), inner tube (2) and spiral baffling board (3), its characterized in that: the heat exchanger is characterized in that supporting foot frames (17) are fixedly mounted on two sides of the bottom of the outer sleeve (1), a heat exchange cavity (4) is formed in the outer sleeve (1), a spiral baffle plate (3) is transversely and fixedly mounted in the heat exchange cavity (4), a plurality of groups of equidistant inner tubes (2) are transversely arranged on the spiral baffle plate (3) in a penetrating mode, mounting side plates (5) are fixedly mounted on two side faces of the outer sleeve (1), a plurality of groups of equidistant mounting through holes (18) are formed in the mounting side plates (5), two ends of each inner tube (2) penetrate through the inside of the corresponding mounting through hole (18), a shell pass inlet (6) is arranged on one side of the top of the outer sleeve (1) in a penetrating mode, a shell pass outlet (7) is arranged on one side of the bottom, far away from the shell pass inlet (6), of the outer sleeve (1) is provided with a first pressing cover (13) and two ends of the outer sleeve (1) respectively, Second gland (14), be provided with dispersion chamber (16), concentrated chamber (15) between first gland (13), second gland (14) and the installation curb plate (5) respectively, one side of keeping away from installation curb plate (5) of first gland (13), second gland (14) is link up respectively and is installed partial pressure fill (11), pressure collecting fill (12), one side that outer tube (1) was kept away from to partial pressure fill (11), pressure collecting fill (12) is provided with tube side import (8), tube side export (9) respectively, partial pressure fill (11) and tube side import (8), pressure collecting fill (12) and tube side export (9) all through flange (10) fixed connection.

2. A spiral baffle-type double-tube heat exchanger as claimed in claim 1, wherein: the outer sleeve (1), the inner pipe (2) and the spiral baffle plate (3) are all made of iron-based multi-element alloy in a customized mode.

3. A spiral baffle-type double-tube heat exchanger as claimed in claim 1, wherein: a plurality of groups of equidistant through holes are formed in the spiral baffle plate (3), the inner pipe (2) penetrates through the inside of the through holes, and the diameters of the inner pipe and the inner pipe are equal.

4. A spiral baffle-type double-tube heat exchanger as claimed in claim 1, wherein: the first pressing cover (13), the pressure dividing hopper (11), the second pressing cover (14) and the pressure collecting hopper (12) are integrally formed, and the diameters of the pressure dividing hopper (11) and the pressure collecting hopper (12) are gradually increased and decreased respectively.

5. A spiral baffle-type double-tube heat exchanger as claimed in claim 1, wherein: the outer sleeve (1), the supporting foot rest (17), the spiral baffle plate (3), the mounting side plate (5), the first pressing cover (13) and the second pressing cover (14) are welded through an electric welding machine, and the top of the supporting foot rest (17) is arc-shaped.

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