CN218034563U

CN218034563U - Heat exchanger suitable for multimedium, multiple temperature

Info

Publication number: CN218034563U
Application number: CN202221898882.4U
Authority: CN
Inventors: 马中祥
Original assignee: Jiangsu Xinjiuyang Environmental Protection Equipment Technology Co ltd
Current assignee: Jiangsu Xinjiuyang Environmental Protection Equipment Technology Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2022-12-13
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a heat exchanger suitable for multimedium, multiple temperature, include the casing and connect in the head at casing both ends, two be fixed with outer tube journey branch journey baffle two, two outer tube journey branch journey baffles one in the head respectively, evenly be connected with the heat exchange tube in the casing, the winding of the heat exchange tube outside has the coil pipe, the inside both ends of casing all are connected with outer tube journey tube sheet, interior tube journey tube sheet, the both ends of heat exchange tube run through in two outer tube journey tube sheets, the both ends of coil pipe run through in two interior tube journey tube sheets. The utility model discloses an increase a tube side, when having multiple medium to need to retrieve, two tube sides circulation medium can be alone to the heat exchange through heat exchange tube or coil pipe according to waiting to retrieve the required temperature of different each designs of medium component, treat to retrieve medium and two tube sides circulation medium, reach the maximize to every heat exchange efficiency who treats the recovery medium like this, need not to increase a set of heat exchanger difference heat transfer in addition moreover, reduce vapor recovery system cost and occupation space.

Description

Heat exchanger suitable for multimedium, multiple temperature

Technical Field

The utility model relates to a heat exchanger technical field specifically is a heat exchanger suitable for multimedium, multiple temperature.

Background

In the field of oil gas recovery, a condensation method is an essential part, when recovered gas exchanges heat through a heat exchanger, a medium enters from an outer general interface of the heat exchange tube, flows in the heat exchange tube and flows out from an outlet at the other end, which is called as a tube pass; the other medium enters from an external interface of the shell, flows outside the heat exchange pipe and flows out from the other end of the shell to the external interface, which is called shell pass; heat exchange is generally carried out by two media through the inner and outer surfaces of the heat exchange tubes.

However, the heat exchanger in which only two media and two temperatures exchange heat has the following problems:

1. shell side media in the condensation of a heat exchanger in the oil gas recovery device are easy to crystallize and block, the operation of condensation and defrosting switching needs to be increased for a double-channel heat exchanger, otherwise, the normal operation is influenced, and the double-channel heat exchanger increases the cost of the oil gas recovery device and increases the occupied space.

2. The oil gas recovery device is usually provided with a plurality of media to be recovered, different media components are different, the heat exchange temperature of the heat exchangers is different, and the heat exchange efficiency of each heat exchanger is basically fixed, so that another group of heat exchangers is required to exchange heat respectively, the cost of the oil gas recovery device is increased, and the occupied space is enlarged; if a group of heat exchangers is not additionally arranged for heat exchange, the heat exchange temperature of the shell side medium can only be neutralized and considered, so that the overall heat exchange efficiency of the shell side medium does not reach the standard.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat exchanger suitable for multimedium, multiple temperature possesses and guarantees the heat exchanger normal operating, has reduced vapor recovery system cost and occupation space's advantage, has solved the problem that the background art provided.

In order to achieve the above object, the utility model provides a following technical scheme: a heat exchanger suitable for multiple media and multiple temperatures comprises a shell and end sockets connected to two ends of the shell, wherein an outer tube pass partition plate II and an outer tube pass partition plate I are fixed in the end sockets respectively, the outer tube pass partition plate II divides the corresponding end socket into two sealed cavities, the two outer tube pass partition plates I divide the corresponding end socket into three sealed cavities, a heat exchange tube is uniformly connected in the shell, a coil is wound outside the heat exchange tube, the two ends in the shell are connected with the outer tube pass tube plate and the inner tube pass tube plate respectively, a sealed cavity is formed between the outer tube pass tube plate and the inner tube pass tube plate, a single inner tube pass partition plate I or two inner tube pass partition plates II are fixed between the outer tube pass tube plate and the inner tube pass tube plate, the single inner tube pass partition plate I divides the corresponding cavity into two mutually sealed cavities, the two inner tube pass partition plates II divide the corresponding cavity into three mutually sealed cavities, two ends of the heat exchange tube penetrate through the two inner tube pass tube plates and one side of the outer tube pass tube plate, the two ends of the two inner tube pass tube plates protrude out of the two tube pass tube plates and one side of the inner tube pass tube plate, and one side of the inner tube pass tube plate.

Preferably, the shell is uniformly connected with baffle plates for guiding the medium, and the heat exchange tubes penetrate through the baffle plates.

Preferably, the baffle plate is provided with small holes matched with the heat exchange tubes and the coil pipes, the heat exchange tubes and the coil pipes penetrate through the corresponding small holes, and the baffle plate is perpendicular to the heat exchange tubes and the coil pipes.

Preferably, the top of the shell is sequentially connected with an inner tube pass fluid inlet, a shell pass fluid outlet and an outer tube pass fluid inlet from one end to the other end, and the bottom of the shell is sequentially connected with an inner tube pass fluid outlet, a shell pass fluid cold liquid discharge port and an outer tube pass fluid outlet from one end to the other end.

Preferably, the coil is welded to the heat exchange tube.

Preferably, the housing has a cylindrical shape or a square cylindrical shape.

Preferably, the baffle plates are cut into arc shapes by circular plates, and the adjacent baffle plates are arranged in a vertically staggered mode in the cutting direction.

Preferably, the shell side fluid cold liquid discharge port is connected with a ball valve.

Compared with the prior art, the beneficial effects of the utility model are as follows: through increasing a tube side, when having multiple medium to retrieve, two tube sides circulation medium are according to waiting to retrieve the required temperature of each design of medium component difference, wait to retrieve the medium and pass through heat exchange tube or coil pipe with two tube sides circulation medium and can be directed against the heat exchange alone, and the heat exchange efficiency to every kind of medium of waiting to retrieve reaches the maximize like this, need not in addition to increase a set of heat exchanger heat transfer respectively moreover, has reduced oil gas recovery equipment cost and occupation space like this.

The coil pipe is wound and fixed on the heat exchange pipe, when the medium to be recovered exchanges heat with the heat exchange pipe or the cold circulating medium in the coil pipe and crystallization and micro blocking occur, the cold circulating medium in the heat exchange pipe or the coil pipe is suspended, the heat medium heating coil pipe or the heat exchange pipe begins to circulate in the coil pipe or the heat exchange pipe independently, the defrosting effect of the medium to be recovered is achieved, the cold and hot states of the medium do not need to be changed in a single heat exchanger pipe pass, another group of heat exchangers are added for condensation and defrosting switching operation, medium cold and hot switching consumption in the pipe pass is avoided, and the cost and the occupied space of oil gas recovery equipment are reduced.

The heat exchange area is increased compared with the heat exchange of only the heat exchange tube on the original single tube pass by winding the fixed connection coil on the heat exchange tube when the circulation medium on the two tube passes exchanges heat with the circulation medium on the shell pass independently.

Drawings

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

FIG. 2 is a schematic view of the structure of the inlet for the outer tube process medium to enter the outer tube process fluid of the present invention;

fig. 3 is a schematic view of the structure of the inner tube side medium entering the inner tube side fluid inlet of the present invention.

In the figure: 1. sealing the end; 2. a heat exchange pipe; 3. an inner tube side fluid inlet; 4. a coil pipe; 5. a shell-side fluid inlet; 6. a baffle plate; 7. a shell-side fluid outlet; 8. an outer tube side fluid inlet; 9. an outer tube pass partition plate I; 11. an outer tube side fluid outlet; 13. an inner tube process pass partition plate I; 14. a shell side fluid cold liquid discharge port; 15. a housing; 17. an inner tube pass tube plate; 18. a base plate; 19. supporting legs; 20. an inner tube side fluid outlet; 21. a second inner tube pass partition plate; 22. an outer tube pass tube plate; 23. and a second outer tube pass partition plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Please refer to fig. 1 to 3, the utility model provides a heat exchanger suitable for multimedium, many temperatures, include casing 15 and connect in the head 1 at casing 15 both ends, be fixed with outer tube journey partition plate two 23 in two heads 1 respectively, two outer tube journey partition plates 9, two outer tube journey partition plates 23 are cut apart into two sealed chambeies with corresponding head 1, three sealed chambeies are cut apart into with corresponding head 1 to two outer tube journey partition plates 9, evenly be connected with heat exchange tube 2 in the casing 15, the winding has coil pipe 4 in the 2 outside of heat exchange tube, both fully contact, thereby when making shell journey medium and inner tube journey medium or outer tube journey medium heat transfer, heat transfer area has been increased, make the heat transfer effect better. An outer tube pass tube plate 22 and an inner tube pass tube plate 17 are connected to two ends of the inside of the shell 15, a sealed cavity is formed between the outer tube pass tube plate 22 and the inner tube pass tube plate 17, a single inner tube pass partition plate I13 or two inner tube pass partition plates II 21 are fixed between the outer tube pass tube plate 22 and the inner tube pass tube plate 17, the corresponding cavity is divided into two mutually sealed cavities by the single inner tube pass partition plate I13, the corresponding cavity is divided into three mutually sealed cavities by the two inner tube pass partition plates II 21, two ends of the heat exchange tube 2 penetrate through the two outer tube pass tube plates 22 and protrude out of one side of the outer tube pass tube plate 22, and two ends of the coil 4 penetrate through the two inner tube pass tube plates 17 and protrude out of one side of the inner tube pass tube plate 17.

FIG. 2 shows a first embodiment:

an outer tube side medium enters the sealing cavity through the outer tube side fluid inlet 8, then enters the heat exchange tube 2, finally is discharged through the outer tube side fluid outlet 11, a shell side medium enters the shell 15 through the shell side fluid inlet 5, the heat exchange shell side medium exchanges heat with the outer tube side medium through the outer surface of the heat exchange tube 2, and finally the shell side medium after heat exchange is discharged through the shell side fluid outlet 7.

FIG. 3 shows a second embodiment:

the inner tube pass medium enters the cavity through the inner tube pass fluid inlet 3, then the inner tube pass medium enters the coil pipe 4 and is finally discharged from the inner tube pass fluid outlet 20 along the coil pipe 4, the shell pass medium enters the shell 15 through the shell pass fluid inlet 5, the heat exchange shell pass medium exchanges heat with the inner tube pass medium through the outer surface of the coil pipe 4, and the shell pass medium after heat exchange is finally discharged through the shell pass fluid outlet 7.

If the shell side medium is in a liquid state, the shell side fluid cold liquid discharge port 14 is closed by ball valves. When the heat exchanger needs to pass through various media and temperatures, heat exchange can be carried out on the same heat exchanger, and the production cost and the occupied area of equipment are reduced.

When the heat exchanger is used, only one of the first embodiment and the second embodiment can be selected, the first embodiment and the second embodiment cannot be used simultaneously, and only one of the first embodiment and the second embodiment can be selected for heat exchange.

When the shell side medium and the inner tube side medium or the outer tube side medium exchange heat through the heat exchange tube 2 or the coil tube 4, if the shell side medium has crystallization, the shell side medium is heated through the coil tube 4 or the heat exchange tube 2, so that the crystallization of the shell side medium is eliminated.

The shell 15 is internally and uniformly connected with a baffle plate 6 for guiding the medium, the heat exchange tube 2 penetrates through the baffle plate 6, and the baffle plate 6 plays a role in guiding the flow, so that the contact area between the shell pass medium and the inner tube pass medium or the outer tube pass medium is better, and the heat exchange effect is better.

The baffle plate 6 is provided with small holes matched with the heat exchange tubes 2 and the coil pipes 4, the heat exchange tubes 2 and the coil pipes 4 penetrate through the corresponding small holes, and the baffle plate 6 is vertical to the heat exchange tubes 2 and the coil pipes 4.

The top of the shell 15 is sequentially connected with an inner tube pass fluid inlet 3, a shell pass fluid inlet 5, a shell pass fluid outlet 7 and an outer tube pass fluid inlet 8 from one end to the other end, and the bottom of the shell 15 is sequentially connected with an inner tube pass fluid outlet 20, a shell pass fluid cold liquid discharge port 14 and an outer tube pass fluid outlet 11 from one end to the other end.

The coil 4 is welded on the heat exchange tube 2, and the stability of the connection between the coil 4 and the heat exchange tube 2 is improved.

The casing 15 is a cylinder shape or a square cylinder shape, the bottom of the casing 15 is connected with a supporting leg 19 for supporting the casing 15, the bottom of the supporting leg 19 is connected with a bottom plate 18, and the supporting leg 19 and the bottom plate 18 play a role of fixed support, so that the working stability of the whole device is ensured.

The baffle plates 6 are cut into arc shapes by circular plates, and the adjacent baffle plates 6 are installed in a vertically staggered mode in the direction of the cuts.

A ball valve is connected to the shell side fluid cold liquid discharge port 14.

After the shell side medium enters the heat exchanger to exchange heat for a period of time, if the shell side medium is changed into another medium, the heat exchange is carried out on the multiple media and the inner and outer tube side media with the required set temperature respectively, so that the better heat exchange effect of the inflowing shell side medium is ensured.

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 heat exchanger suitable for multimedium, multiple temperature which characterized in that: the shell comprises a shell (15) and end sockets (1) connected to two ends of the shell (15), wherein two outer tube pass partition plates two (23) and two outer tube pass partition plates one (9) are respectively fixed in the end sockets (1), the corresponding end sockets (1) are divided into two sealed cavities by the outer tube pass partition plates two (23), the corresponding end sockets (1) are divided into three sealed cavities by the two outer tube pass partition plates one (9), the shell (15) is internally and uniformly connected with heat exchange tubes (2), the outer sides of the heat exchange tubes (2) are wound with coil pipes (4), the two inner ends of the shell (15) are respectively connected with an outer tube pass tube plate (22) and an inner tube pass tube plate (17), a sealed cavity is formed between the outer tube pass tube plate (22) and the inner tube pass tube plate (17), a single inner tube pass partition plate one (13) or two inner tube pass partition plates two (21) are fixed between the outer tube pass tube plate (22) and the inner tube pass tube plate (17), the single inner tube pass partition plate one (13) divides the corresponding cavity into two sealed cavities, the two inner tube pass partition plates (22) penetrate through the two end sockets (22) and the two heat exchange tubes (17), the two corresponding tube pass tube plates (22) penetrate through the two sealed cavities (17), the two end sockets (22) and the two end sockets (17), and protrudes out of one side of the inner tube side tube plate (17).

2. A heat exchanger suitable for multi-medium and multi-temperature according to claim 1, characterized in that a baffle plate (6) for guiding the medium is uniformly connected in the shell (15), and the heat exchange tubes (2) penetrate through the baffle plate (6).

3. The heat exchanger suitable for the multimedia and the multi-temperature according to claim 2, wherein the baffle plate (6) is provided with small holes matched with the heat exchange tubes (2) and the coil pipes (4), the heat exchange tubes (2) and the coil pipes (4) penetrate through the corresponding small holes, and the baffle plate (6) is perpendicular to the heat exchange tubes (2) and the coil pipes (4).

4. The heat exchanger applicable to multiple media and multiple temperatures according to claim 1, wherein the top of the shell (15) is sequentially connected with an inner tube-side fluid inlet (3), a shell-side fluid inlet (5), a shell-side fluid outlet (7) and an outer tube-side fluid inlet (8) from one end to the other end, and the bottom of the shell (15) is sequentially connected with an inner tube-side fluid outlet (20), a shell-side fluid cold liquid discharge port (14) and an outer tube-side fluid outlet (11) from one end to the other end.

5. A heat exchanger adapted for use with multiple media and temperatures according to claim 1 wherein the coil (4) is welded to the heat exchange tube (2).

6. A heat exchanger adapted for use with multiple media and temperatures according to claim 1, wherein the shell (15) is cylindrical or square-tube shaped.

7. A heat exchanger adapted for use with multiple media and temperatures as recited in claim 3 wherein said baffles (6) are arcuately cut from circular plates and adjacent baffles (6) are staggered up and down in the direction of the cut.

8. The heat exchanger applicable to multiple media and temperatures according to claim 4, wherein a ball valve is connected to the shell side fluid cold liquid discharge port (14).