CN215864810U

CN215864810U - Spiral plate high-efficiency heat exchanger

Info

Publication number: CN215864810U
Application number: CN202122323479.0U
Authority: CN
Inventors: 费东辉; 陈林锋
Original assignee: Ningbo Anxin Chemical Equipment Co ltd
Current assignee: Ningbo Anxin Chemical Equipment Co ltd
Priority date: 2021-09-24
Filing date: 2021-09-24
Publication date: 2022-02-18
Anticipated expiration: 2031-09-24

Abstract

The utility model discloses a spiral plate high-efficiency heat exchanger, which relates to the technical field of heat exchangers and comprises the following components: the liquid level meter comprises a machine body, wherein wave plates are welded on two sides of the machine body, a base is fixed at the lower end of the machine body, a first liquid outlet pipe is connected to the outer wall of the front end of the machine body, a second liquid outlet pipe is connected to one side, away from the base, of the surface of the front end of the machine body, a first liquid injection pipe is connected to one side of the machine body, a soaking liquid pipe is connected to one side of the first liquid injection pipe, and a second liquid injection pipe is connected to the other side of the machine body; the metal sheet, it is the heliciform and fixes the inside of organism, the welding has the distance post between the metal sheet, the outside of metal sheet is provided with first passageway. The efficient heat exchanger with the spiral plates is provided with the uniform heating liquid which can fill the cavity in the third channel in the machine body, so that the internal air is discharged, the uniform heating liquid with high heat conductivity conducts heat among the fluids, the heat conduction efficiency is higher than that of metal, and the heat conduction efficiency is improved.

Description

Spiral plate high-efficiency heat exchanger

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a spiral plate efficient heat exchanger.

Background

The spiral plate heat exchanger is a heat exchanger which is formed by two parallel metal plates coiled into two spiral channels and exchanges heat between cold and hot fluids through a spiral plate wall. The spiral plate heat exchanger has two detachable and non-detachable types. The spiral plate type heat exchanger has the advantages of small volume, compact equipment, high heat transfer efficiency and low metal consumption, and is suitable for industries of dry liquid-liquid, gas-liquid and gas-gas convection heat transfer, steam condensation and liquid evaporation heat transfer, chemical industry, petroleum, medicine, machinery, electric power, environmental protection, energy conservation, heat conversion and the like.

In the prior art, the spiral plate efficient heat exchanger in the market is generally used for passive heat transfer between fluids through metal plates, the heat transfer efficiency is poor, and partial cavities between the metal plates are prone to cause reduction of heat conduction efficiency due to the existence of air.

SUMMERY OF THE UTILITY MODEL

The present invention aims to provide a spiral plate efficient heat exchanger, so as to solve the problems that the spiral plate efficient heat exchanger in the market proposed in the above background art generally performs passive heat transfer between fluids through metal plates during use, the heat transfer efficiency is poor, and partial cavities between channels are easy to cause reduction of heat conduction efficiency due to the presence of air.

In order to achieve the purpose, the utility model provides the following technical scheme: spiral plate high efficiency heat exchanger includes:

the liquid level meter comprises a machine body, wherein wave plates are welded on two sides of the machine body, a base is fixed at the lower end of the machine body, a first liquid outlet pipe is connected to the outer wall of the front end of the machine body, a second liquid outlet pipe is connected to one side of the first liquid outlet pipe, a first liquid injection pipe is connected to one side of the machine body, a soaking liquid pipe is connected to one side of the first liquid injection pipe, and a second liquid injection pipe is connected to the other side of the machine body;

the metal sheet, it is the heliciform to be fixed the inside of organism, the welding has the distance post between the metal sheet, the outside of metal sheet is provided with first passageway, the inboard of first passageway is provided with the second passageway, the outside of second passageway is provided with the third passageway, the metal sheet has been seted up first notes liquid mouth with the first junction of annotating the liquid pipe, the soaking liquid notes liquid mouth has been seted up with the junction of soaking liquid pipe to the metal sheet, the second is annotated to the junction that the liquid pipe was annotated to metal sheet and second and has been seted up the second and annotate the liquid mouth.

Preferably, the first liquid outlet pipe and the first liquid inlet pipe form a communicating structure through the second channel and the first liquid inlet, the end surface structure of the first channel is a spiral structure, and a sealing structure is formed between the machine body and the first channel.

Preferably, the second liquid outlet pipe forms a communicating structure with the second liquid inlet pipe through the first channel and the second liquid inlet, the end surface structure of the second channel is a spiral structure, and a sealing structure is formed between the machine body and the second channel.

Preferably, the soaking liquid pipe forms a communicating structure with the third channel through the soaking liquid injection port, a sealing structure is formed between the machine body and the third channel, and the first channel forms a surrounding structure with the third channel through the second channel.

Preferably, the flange has all been welded to the one end that organism was kept away from to first drain pipe, second drain pipe, first notes liquid pipe, second notes liquid pipe and soaking liquid pipe, the inner wall that first drain pipe, second drain pipe, first notes liquid pipe, second notes liquid pipe and soaking liquid pipe all coats and has thermal barrier coating.

Preferably, the material of thermal barrier coating is silica gel foam material, and thermal barrier coating's terminal surface structure is ring structure.

Preferably, the middle part of the distance column is welded with the spring column, and the four corners in the distance column are welded with the auxiliary pillars.

Preferably, the spring post coincides with the axis position of the distance post, and the auxiliary strut is symmetrically arranged about the axis position of the distance post, and the distance post is provided with a plurality of.

Compared with the prior art, the utility model has the beneficial effects that: the efficient heat exchanger with the spiral plates is provided with the uniform heating liquid which can fill the cavity in the third channel in the machine body, so that the internal air is discharged, the uniform heating liquid with high heat conductivity conducts heat among the fluids, the heat conduction efficiency is higher than that of metal, and the heat conduction efficiency is improved.

The arranged first liquid injection pipe sends fluid into the second channel through the first liquid injection port, and the heat of the fluid is conducted into the fluid in the first channel on one side of the metal plate through the metal plate, so that contact type heat conduction is realized, and the heat conduction efficiency is high; the second that sets up is annotated the liquid pipe and is sent into the first passageway with fluid through the second notes liquid mouth to make the fluid pass through the heat that the fluid conduction in the second passageway of metal sheet one side is received to the metal sheet, passive form heat conduction, the area of contact of spiral metal sheet is great, and the heat conductivility is stronger.

The spring columns are used for enabling the structure of the metal plate to change slowly through elastic deformation when the distance columns are broken due to overlarge hydraulic pressure in the machine body, and metal damage caused by the change of the structure of the metal plate is reduced; the thermal insulation coating is used for reducing heat dissipation when fluid flows in a pipeline, so that the heat of the fluid can be better conducted in the machine body.

Drawings

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

FIG. 2 is a schematic view of the internal three-dimensional structure of the machine body of the present invention;

FIG. 3 is an enlarged perspective view of the spacer according to the present invention;

fig. 4 is an enlarged perspective view of the first liquid outlet pipe portion according to the present invention.

In the figure: 1. a body; 2. a wave plate; 3. a base; 4. a first liquid outlet pipe; 5. a second liquid outlet pipe; 6. a first liquid injection pipe; 7. a second liquid injection pipe; 8. a soaking liquid pipe; 9. a flange; 10. a first liquid injection port; 11. a second liquid injection port; 12. a soaking liquid injection port; 13. a first channel; 14. a second channel; 15. a third channel; 16. a metal plate; 17. a distance pole; 18. a spring post; 19. a secondary strut; 20. and (4) thermal barrier coating.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: spiral plate high efficiency heat exchanger includes: the machine comprises a machine body 1, wherein wave plates 2 are welded on two sides of the machine body 1, a base 3 is fixed at the lower end of the machine body 1, a first liquid outlet pipe 4 is connected to the outer wall of the front end of the machine body 1, a second liquid outlet pipe 5 is connected to one side of the first liquid outlet pipe 4, a first liquid injection pipe 6 is connected to one side of the machine body 1, a soaking liquid pipe 8 is connected to one side of the first liquid injection pipe 6, and a second liquid injection pipe 7 is connected to the other side of the machine body 1; the metal plate 16 is fixed inside the machine body 1 in a spiral shape, a first channel 13 is arranged on the outermost side of the metal plate 16, a second channel 14 is arranged on the inner side of the first channel 13, a third channel 15 is arranged on the outer side of the second channel 14, and a first liquid injection port 10 is formed in the joint of the metal plate 16 and the first liquid injection pipe 6; the first liquid outlet pipe 4 forms a communicating structure with the first liquid injection pipe 6 through the second channel 14 and the first liquid injection port 10, the end surface structure of the first channel 13 is a spiral structure, and the machine body 1 forms a sealing structure with the first channel 13 through the corrugated plate 2; the arranged first liquid injection pipe 6 sends the fluid into the second channel 14 through the first liquid injection port 10, and the heat of the fluid is conducted into the fluid in the first channel 13 at one side of the metal plate 16 through the metal plate 16, so that the contact type heat conduction is realized, and the heat conduction efficiency is high; a soaking liquid injection port 12 is formed at the joint of the metal plate 16 and the soaking liquid pipe 8; the soaking liquid pipe 8 forms a communication structure with the third channel 15 through the soaking liquid injection port 12, the machine body 1 forms a sealing structure with the third channel 15 through the corrugated plate 2, and the first channel 13 forms an enclosing structure with the third channel 15 through the second channel 14; the arranged soaking liquid can fill the cavity in the third channel 15 in the machine body 1 to exhaust the internal air, and conduct heat among the fluids through the soaking liquid with high heat conductivity, so that the heat conduction efficiency is higher than that of metal, and the heat conduction efficiency is improved; a second liquid injection port 11 is formed at the joint of the metal plate 16 and the second liquid injection pipe 7; the second liquid outlet pipe 5 forms a communicating structure with the second liquid injection pipe 7 through the first channel 13 and the second liquid injection port 11, the end surface structure of the second channel 14 is a spiral structure, and the machine body 1 forms a sealing structure through the corrugated plate 2 and the second channel 14; the second liquid filling pipe 7 is arranged to send the fluid into the first channel 13 through the second liquid filling opening 11, and the fluid receives the heat conducted by the fluid in the second channel 14 on one side of the metal plate 16 through the metal plate 16, so that the heat is conducted passively, the contact area of the spiral metal plate 16 is large, and the heat conducting capacity is strong.

Referring to fig. 3-4, the spiral plate high efficiency heat exchanger includes: distance columns 17 are welded among the metal plates 16, spring columns 18 are welded in the middle of the distance columns 17, and auxiliary support columns 19 are welded at four corners inside the distance columns 17; the spring column 18 coincides with the central axis position of the distance column 17, the auxiliary support columns 19 are symmetrically arranged about the central axis position of the distance column 17, and the distance columns 17 are provided with a plurality of columns; the arranged spring post 18 is used for enabling the structure of the metal plate 16 to change slowly through elastic deformation when the distance post 17 is broken due to overlarge hydraulic pressure in the machine body 1, so that metal damage caused by structural change of the metal plate 16 is reduced; flanges 9 are welded at one ends, far away from the machine body 1, of the first liquid outlet pipe 4, the second liquid outlet pipe 5, the first liquid injection pipe 6, the second liquid injection pipe 7 and the soaking liquid pipe 8, and heat insulation coatings 20 are coated on the inner walls of the first liquid outlet pipe 4, the second liquid outlet pipe 5, the first liquid injection pipe 6, the second liquid injection pipe 7 and the soaking liquid pipe 8; the thermal insulation coating 20 is made of a silica gel foam material, and the end face structure of the thermal insulation coating 20 is a circular ring structure; the thermal insulation coating 20 is arranged for reducing heat dissipation when fluid flows in the pipeline, so that the heat of the fluid can be better conducted in the machine body 1.

The working principle is as follows: for the spiral plate high-efficiency heat exchanger, firstly, the machine body 1 is arranged on a stable horizontal working surface in a workshop through the base 3, then a connecting pipe of cold and hot fluid is connected with the first liquid injection pipe 6 and the second liquid injection pipe 7 through the flange 9, so that the fluid can be directly communicated with the machine body 1, the cold and hot fluid enters the first liquid injection port 10 and the second liquid injection port 11 which are arranged on the metal plate 16 in the machine body 1 through the first liquid injection pipe 6 and the second liquid injection pipe 7, after a plurality of metal plates 16 arranged in the machine body 1 are rolled on a special rolling bed, a first channel 13, a second channel 14 and a third channel 15 are formed, the machine body 1 is welded with each channel through the side corrugated plates 2, so that the channels are mutually independent and sealed, distance posts 17 are welded in the channels, the distance posts 17 can not only keep the channel spacing, improve the pressure bearing capacity of the heat exchanger, but also can be under the action of centrifugal force of the fluid, the fluid can generate turbulent flow at a lower Reynolds number to generate a higher heat transfer coefficient, thereby greatly improving the heat transfer efficiency of the heat exchanger, then the fluid entering from the first liquid injection port 10 circulates in the second channel 14, the fluid entering from the second liquid injection port 11 circulates in the first channel 13, at this time, soaking liquid with high heat conductivity is injected into the third channel 15 through the soaking liquid pipe 8 and the soaking liquid injection port 12 to improve the heat transfer efficiency between the metal plates 16, the soaking liquid is injected to exhaust air to improve the heat transfer rate, so that the two fluids can stably and efficiently transfer heat through the metal plates 16 and the soaking liquid, the heat-exchanged fluids respectively flow out from the first liquid outlet pipe 4 and the second liquid outlet pipe 5, and finally, when the spring column 18 and the secondary support column 19 welded in the middle of the distance column 17 play a supporting role and the distance column 17 is broken due to overlarge hydraulic pressure in the machine body 1, the elastic deformation of the spring columns 18 can be buffered, the rigid deformation probability of the metal plate 16 is reduced, the service life of the metal plate 16 is prolonged, the inner wall of each pipeline is coated with the heat insulation coating 20 made of silica gel foam, and the heat loss generated when fluid circulates in the pipeline can be reduced.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Spiral plate high efficiency heat exchanger, its characterized in that includes:

the device comprises a machine body (1), wherein wave plates (2) are welded on two sides of the machine body (1), a base (3) is fixed at the lower end of the machine body (1), a first liquid outlet pipe (4) is connected to the outer wall of the front end of the machine body (1), a second liquid outlet pipe (5) is connected to one side of the first liquid outlet pipe (4), a first liquid injection pipe (6) is connected to one side of the machine body (1), a soaking liquid pipe (8) is connected to one side of the first liquid injection pipe (6), and a second liquid injection pipe (7) is connected to the other side of the machine body (1);

metal sheet (16), it is the heliciform and fixes the inside of organism (1), the welding has distance post (17) between metal sheet (16), the outside of metal sheet (16) is provided with first passageway (13), the inboard of first passageway (13) is provided with second passageway (14), the outside of second passageway (14) is provided with third passageway (15), first notes liquid mouth (10) have been seted up with the junction of first notes liquid pipe (6) in metal sheet (16), soaking liquid notes liquid mouth (12) have been seted up with the junction of soaking liquid pipe (8) in metal sheet (16), liquid mouth (11) have been seted up with the junction of second notes liquid pipe (7) in metal sheet (16).

2. A spiral plate high efficiency heat exchanger according to claim 1, wherein: the first liquid outlet pipe (4) and the first liquid injection pipe (6) form a communicating structure through the second channel (14) and the first liquid injection port (10), the end face structure of the first channel (13) is a spiral structure, and the machine body (1) forms a sealing structure through the corrugated plate (2) and the first channel (13).

3. A spiral plate high efficiency heat exchanger according to claim 1, wherein: and the second liquid outlet pipe (5) and the second liquid injection pipe (7) form a communicating structure through the first channel (13) and the second liquid injection port (11), the end surface structure of the second channel (14) is a spiral structure, and the machine body (1) forms a sealing structure through the corrugated plate (2) and the second channel (14).

4. A spiral plate high efficiency heat exchanger according to claim 1, wherein: the soaking liquid pipe (8) forms a communicating structure through the soaking liquid injection port (12) and the third channel (15), the machine body (1) forms a sealing structure through the corrugated plate (2) and the third channel (15), and the first channel (13) forms a surrounding structure through the second channel (14) and the third channel (15).

5. A spiral plate high efficiency heat exchanger according to claim 1, wherein: the one end that organism (1) was kept away from in first drain pipe (4), second drain pipe (5), first notes liquid pipe (6), second notes liquid pipe (7) and soaking liquid pipe (8) all welds flange (9), the inner wall that first drain pipe (4), second drain pipe (5), first notes liquid pipe (6), second notes liquid pipe (7) and soaking liquid pipe (8) all coats and has thermal-insulated coating (20).

6. A spiral plate high efficiency heat exchanger according to claim 5, wherein: the material of thermal barrier coating (20) is silica gel foam material, and the terminal surface structure of thermal barrier coating (20) is ring structure.

7. A spiral plate high efficiency heat exchanger according to claim 1, wherein: the middle part welding of distance post (17) has spring post (18), the inside four corners welding of distance post (17) has vice pillar (19).

8. A spiral plate high efficiency heat exchanger according to claim 7 wherein: the spring column (18) coincides with the central axis of the distance column (17), the auxiliary support columns (19) are symmetrically arranged relative to the central axis of the distance column (17), and the distance column (17) is provided with a plurality of the auxiliary support columns.