CN212658097U

CN212658097U - Combined shell-and-tube heat exchanger

Info

Publication number: CN212658097U
Application number: CN202021219120.8U
Authority: CN
Inventors: 李勤峰
Original assignee: Jiangsu Double Field Amperex Technology Ltd
Current assignee: Jiangsu Double Field Amperex Technology Ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2021-03-05
Anticipated expiration: 2030-06-28

Abstract

The utility model relates to the technical field of heat exchangers, and discloses a combined shell-and-tube heat exchanger, which comprises a shell, a feeding chamber and a discharging chamber; the two ends of the shell are provided with flange plates A, the inner sides of the feeding chamber and the discharging chamber are provided with flange plates B, and the flange plates A and the flange plates B are fixedly connected through bolts; the support is installed in the shell, the number of supports is three, and the perforation has all been seted up in support and the flange A. The utility model discloses a ring flange A and ring flange B dismantle and to realize going into the dismantlement work that the material room and play feed chamber are located the shell both ends, the rotation of rethread nut can make it be located the heat exchange tube both ends and dismantle, the heat exchange tube can be located the perforation at this moment and take out to accomplish the dismantlement work, can do benefit to the change work of heat exchange tube through dismantling, and the equipment mode is convenient, can break up the whole and partly do benefit to the transportation, easy operation is convenient, it is laborsaving to save trouble, can high efficiency accomplish the dismantlement and assemble.

Description

Combined shell-and-tube heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field specifically is a combination shell and tube type heat exchanger.

Background

The prior shell-and-tube heat exchanger is also called a tube-type heat exchanger, and is a dividing wall type heat exchanger which takes the wall surface of a tube bundle sealed in a shell as a heat transfer surface, and the heat exchanger has simple structure, low manufacturing cost, wider flow cross section and easy scale cleaning; but the heat transfer coefficient is low, the occupied area is large, the heat exchanger can be made of various structural materials, can be used at high temperature and high pressure, and is the most widely applied type at present, but the existing combined shell-and-tube heat exchanger has some defects, for example;

a combined shell and tube heat exchanger with bulletin number (CN209085396U), the device places the spring in the inside of loop bar, when the head passes through flange joint on inferior casing, inferior casing can compress the spring, make the spring produce reaction force and promote the terminal sealing washer of branch and realize sealing between the inner wall through sealing washer and inferior casing of preceding tube sheet, when the welded heat exchange tube takes place to leak etc. trouble on preceding tube sheet and the back tube sheet, only need open the flange between head and inferior casing, reopen the flange between inferior casing and the main casing, can deviate from inferior casing from the main casing, make the heat exchange tube expose completely, make things convenient for maintenance personal to maintain, but the device still has following shortcoming:

the quick convenient dismantlement of its heat exchange tube of the device can't be realized, and its heat exchange tube is inside easily appearing blockking up after long-term the use, and easily the corruption appears, then need change after consequently long-term the use, and it is more convenient to the maintenance clearance of its heat exchange tube after the dismantlement.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a combination shell and tube type heat exchanger has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a combined shell-and-tube heat exchanger comprises a shell, a feeding chamber and a discharging chamber;

the two ends of the shell are provided with flange plates A, the inner sides of the feeding chamber and the discharging chamber are provided with flange plates B, and the flange plates A and the flange plates B are fixedly connected through bolts;

install the support in the shell, the quantity of support is three groups, all seted up the perforation in support and the flange A, fenestrate quantity is the multiunit, the heat exchange tube has been inserted in the perforation, the external screw thread has been seted up to heat exchange tube both ends outer wall, rotatory nut of installing on the external screw thread.

As a preferred embodiment of the present invention, a rubber pad is installed on the inner side of the nut.

As an optimal implementation mode of the utility model, pan feeding mouth A is installed at the feeding room top, discharge gate A is installed to the discharge chamber bottom.

As a preferred embodiment of the utility model, pan feeding mouth B is installed at shell left side top, discharge gate B is installed on shell bottom right side.

As a preferred embodiment of the present invention, the base is installed on both sides of the bottom of the housing.

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

1. the utility model relates to a combination shell and tube type heat exchanger, dismantle through ring flange A and ring flange B and can realize going into the dismantlement work that the material room is located the shell both ends with the ejection of compact room, the rethread nut is rotatory to make it be located the heat exchange tube both ends and dismantle, the heat exchange tube can be located the perforation and take out this moment, thereby accomplish the dismantlement work, can do benefit to the change work of heat exchange tube through dismantling, and the equipment mode is convenient, can break up the whole and do benefit to the transportation, easy operation is convenient, it is laborsaving to save trouble, can dismantle and assemble by high efficiency's completion.

2. The utility model relates to a combination shell and tube type heat exchanger can play better sealed effect through the rubber pad, can effectively avoid the seepage to cause heat source and cold source to appear mixing, improves its heat exchange efficiency.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of a front cross-sectional structure of a combined shell-and-tube heat exchanger according to the present invention;

fig. 2 is a schematic view of a connection structure between a heat exchange tube and a flange plate a of a combined shell-and-tube heat exchanger of the present invention;

fig. 3 is the utility model discloses a flange plate A of combination shell and tube type heat exchanger looks sideways at structural schematic.

In the figure: 1. a housing; 2. a feeding chamber; 3. a flange A; 4. a flange B; 5. a support; 6. a heat exchange pipe; 7. a feeding port A; 8. a discharge chamber; 9. a discharge hole A; 10. a feeding port B; 11. a discharge hole B; 12. a base; 13. an external thread; 14. a nut; 15. a rubber pad; 16. and (6) perforating.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience of description of the present invention and for simplicity of description, but do not indicate or imply that the device or element referred to must have a specific shape or simplified description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a combined shell-and-tube heat exchanger comprises a shell 1, a feeding chamber 2 and a discharging chamber 8;

two ends of the shell 1 are provided with flange plates A3, the inner sides of the feeding chamber 2 and the discharging chamber 8 are provided with flange plates B4, and the flange plates A3 and B4 are fixedly connected through bolts;

install support 5 in the shell 1, the quantity of support 5 is three groups, perforation 16 has all been seted up in support 5 and the flange A3, the quantity of perforation 16 is the multiunit, it has heat exchange tube 6 to insert in the perforation 16, external screw thread 13 has been seted up to heat exchange tube 6 both ends outer wall, rotatory nut 14 of installing on external screw thread 13.

In this embodiment (please refer to fig. 1, fig. 2 and fig. 3), the disassembly work that the feeding chamber 2 and the discharging chamber 8 are located at the two ends of the shell 1 can be realized by disassembling the flange plate a3 and the flange plate B4, and the disassembly work can be realized by rotating the nut 14 to enable the disassembly work to be located at the two ends of the heat exchange tube 6, and the heat exchange tube 6 can be drawn out from the through hole 16, thereby completing the disassembly work, the replacement work of the heat exchange tube 6 can be facilitated by disassembling, and the assembly mode is convenient, the whole part can be changed to be beneficial to transportation, the operation is simple and convenient, the trouble and labor can be saved, and the disassembly.

Wherein, a rubber pad 15 is arranged inside the nut 14.

In this embodiment (please refer to fig. 2), a better sealing effect can be achieved by the rubber gasket 15, so that the heat source and the cold source can be effectively prevented from being mixed due to leakage, and the heat exchange efficiency can be improved.

Wherein, the pan feeding mouth A7 is installed at the top of feed chamber 2, discharge gate A9 is installed to 8 bottoms of ejection of compact rooms.

In this embodiment (see fig. 1), the heat source can circulate through the material inlet a7 and the material outlet a 9.

Wherein, pan feeding mouth B10 is installed at shell 1 left side top, discharge gate B11 is installed on shell 1 bottom right side.

In this embodiment (please refer to fig. 1), the circulation of the cold source can be facilitated through the material inlet B10 and the material outlet B11.

Wherein, the base 12 is installed on both sides of the bottom of the shell 1.

In this embodiment (see fig. 1), the supporting operation of the housing 1 can be facilitated by the base 12.

It should be noted that, the utility model relates to a combined shell-and-tube heat exchanger, which comprises a shell 1 and a shell; 2. a feeding chamber; 3. a flange A; 4. a flange B; 5. a support; 6. a heat exchange pipe; 7. a feeding port A; 8. a discharge chamber; 9. a discharge hole A; 10. a feeding port B; 11. a discharge hole B; 12. a base; 13. an external thread; 14. a nut; 15. a rubber pad; 16. the components are all universal standard components or components known by technicians in the field, the structure and the principle of the components are known by technicians through technical manuals or conventional experimental methods, when the heat exchanger is used, the heat source can be injected through the feed port A7, the heat source enters the feed chamber 2 through the feed port A7, the cold source is accessed through the feed port B10, the heat source can be conveyed rightwards through the heat exchange tube 6, the heat exchange tube 6 is contacted with the cold source when the heat exchanger passes through the shell 1 to realize the heat exchange work, the heat source can be discharged through the discharge port A9, the cold source can be discharged through the discharge port B11, the disassembly work of the feed chamber 2 and the discharge chamber 8 at the two ends of the shell 1 can be realized through the disassembly of the flange A3 and the flange B4, the disassembly work of the heat exchanger at the two ends of the heat exchange tube 6 can be realized through the rotation of the nut 14, and the heat exchange tube 6 can be withdrawn, thereby accomplish the dismantlement work, can do benefit to the change work of heat exchange tube 6 through the dismantlement, and the equipment mode is convenient, can break up the whole into parts and do benefit to the transportation, easy operation is convenient, and it is laborsaving to save trouble, can high efficiency accomplish dismantlement and equipment, and can play better sealed effect through rubber pad 15, can effectively avoid the seepage to cause heat source and cold source to appear mixing, improves its heat exchange efficiency.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A combined shell-and-tube heat exchanger is characterized by comprising a shell (1), a feeding chamber (2) and a discharging chamber (8);

the two ends of the shell (1) are provided with flange plates A (3), the inner sides of the feeding chamber (2) and the discharging chamber (8) are provided with flange plates B (4), and the flange plates A (3) and the flange plates B (4) are fixedly connected through bolts;

install support (5) in shell (1), the quantity of support (5) is three groups, perforation (16) have all been seted up in support (5) and flange A (3), the quantity of perforation (16) is the multiunit, heat exchange tube (6) have been inserted in perforation (16), external screw thread (13) have been seted up to heat exchange tube (6) both ends outer wall, rotatory nut (14) of installing on external screw thread (13).

2. A combined shell and tube heat exchanger according to claim 1, characterized in that: and a rubber pad (15) is arranged on the inner side of the nut (14).

3. A combined shell and tube heat exchanger according to claim 1, characterized in that: a feeding opening A (7) is installed at the top of the feeding chamber (2), and a discharging opening A (9) is installed at the bottom of the discharging chamber (8).

4. A combined shell and tube heat exchanger according to claim 1, characterized in that: a feeding hole B (10) is installed at the top of the left side of the shell (1), and a discharging hole B (11) is installed on the right side of the bottom of the shell (1).

5. A combined shell and tube heat exchanger according to claim 1, characterized in that: and bases (12) are arranged on two sides of the bottom of the shell (1).