CN215295908U

CN215295908U - Flow-adjustable heat exchanger

Info

Publication number: CN215295908U
Application number: CN202121460943.4U
Authority: CN
Inventors: 王灵果
Original assignee: Hebei Chemical and Pharmaceutical College
Current assignee: Hebei Chemical and Pharmaceutical College
Priority date: 2021-06-29
Filing date: 2021-06-29
Publication date: 2021-12-24
Anticipated expiration: 2031-06-29

Abstract

The utility model provides an adjustable flow heat exchanger, it includes the casing to and locate inlet and liquid outlet on the casing, this adjustable flow heat exchanger is still including locating heat exchange tube, fin connector and the radiating fin in the casing. Wherein, two ends of the heat exchange tube are respectively connected with the liquid inlet and the liquid outlet; the heat exchange tube comprises a plurality of parallel straight tubes arranged between the liquid inlet and the liquid outlet at intervals and a plurality of communicating tubes communicated with every two straight tubes respectively. And the fin connecting pieces are arranged on the straight pipes respectively. The radiating fins are detachably arranged on the fin connecting piece, and the circular straight pipes of the radiating fins are axially arranged at intervals. Adjustable flow heat exchanger, can improve the holistic heat transfer effect of device, and the device practicality is strong.

Description

Flow-adjustable heat exchanger

Technical Field

The utility model relates to a indirect heating equipment technical field, in particular to adjustable flow heat exchanger.

Background

A heat exchange device is a device that transfers heat from a hot fluid to a cold fluid, called a heat exchange device. The heat exchange equipment is widely applied to the industries of oil refining, chemical engineering, light industry, pharmacy, machinery, food and the like. The finned heat exchanger is one of the most widely used heat exchange equipment for gas and liquid heat exchangers, and has fins on common base pipe for strengthening heat transfer.

The existing finned heat exchanger has the defects of poor structural design, poor heat exchange effect and inconvenient disassembly and maintenance of fins; meanwhile, the existing heat exchanger is simple in structure and single in function, and cannot realize flow regulation when in use, so that the practicability of the device is reduced.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an adjustable flow heat exchanger to can improve the holistic heat transfer effect of device, and the device practicality is strong.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a flow-adjustable heat exchanger comprises a shell, a liquid inlet and a liquid outlet which are arranged on the shell, and a heat exchange tube, a fin connecting piece and a radiating fin which are arranged in the shell; wherein the content of the first and second substances,

two ends of the heat exchange tube are respectively connected with the liquid inlet and the liquid outlet; the heat exchange tube comprises a plurality of straight tubes arranged between the liquid inlet and the liquid outlet in parallel at intervals and a plurality of communicating tubes respectively communicated with every two straight tubes;

the fin connecting pieces are arranged on the straight pipes respectively;

the radiating fins are detachably arranged on the fin connecting piece, and are arranged around the straight pipe at intervals in the axial direction.

Further, the fin connecting piece comprises two mounting seats arranged on the straight pipe at intervals; the side, facing the straight pipe, of the mounting seat is provided with a plurality of grooves, and the grooves are installed in a matched mode between the mounting seat and the straight pipe to form an insertion space into which the end portion of the radiating fin can be inserted.

Furthermore, the mounting seat comprises two semi-cylindrical mounting blocks, and the grooves are respectively arranged on the two mounting blocks at intervals.

Furthermore, the two mounting blocks are in threaded connection.

Furthermore, the radiating fins comprise first fins with sliding grooves formed in the concave manner and second fins arranged in the sliding grooves in a sliding manner, and elastic pieces are arranged between the bottoms of the sliding grooves and the second fins; the radiating fins can change the length thereof due to the fact that the second fins compress the elastic pieces, and two ends of the radiating fins can be inserted into the corresponding inserting spaces.

Furthermore, the first fin and the second fin both comprise a joint part connected with the straight pipe in a joint mode and a heat dissipation part arranged on the joint part, and an insertion end matched with the insertion space is formed on the joint part.

Furthermore, a chamfer is arranged on the insertion end.

Further, the elastic member is at least one spring.

Furthermore, the fin connecting piece comprises two semi-cylindrical connecting pieces, and the two connecting pieces are coated on the straight pipe.

Furthermore, a plurality of slots are formed in the two connecting pieces and are arranged along the circumferential direction of the straight pipe at intervals, the slots are arranged in parallel along the axial direction of the straight pipe, and the radiating fins are respectively inserted into the slots.

Furthermore, the connecting piece is provided with a threaded hole communicated with the slot, and the radiating fin is locked in the slot due to the fact that the radiating fin is abutted by a screw rod penetrating through the threaded hole.

Furthermore, one end of the slot is arranged in a sealing mode, the other end of the slot is detachably provided with a blocking piece, and the radiating fins are locked in the slot due to blocking of the blocking piece.

Furthermore, the flow-adjustable heat exchanger further comprises a liquid circulation device arranged outside the shell, the liquid circulation device is respectively connected with the liquid inlet and the liquid outlet through a water pipe, and a flow adjusting valve is arranged on the water pipe close to the liquid inlet.

Furthermore, the flow control valve adopts a butterfly valve.

Compared with the prior art, the utility model discloses following advantage has:

adjustable flow heat exchanger, through the radiating fin who sets up a plurality of demountable installation to can improve the holistic heat transfer effect of device, and install overall structure simple, the practicality is strong. In addition, through setting up laminating portion, can increase the area of contact of radiating fin and straight tube to radiating fin's heat transfer effect can be improved.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic structural diagram of an adjustable flow heat exchanger according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a straight pipe, a fin connector and a heat dissipating fin according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a mounting seat according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 2;

fig. 5 is a schematic view of an angle of view of a heat dissipation fin according to an embodiment of the present invention;

fig. 6 is a schematic view of another perspective structure of a heat dissipation fin according to an embodiment of the present invention;

FIG. 7 is a partial enlarged view of portion B of FIG. 5;

description of reference numerals:

1. a housing; 101. a liquid inlet; 102. a liquid outlet; 2. a heat exchange pipe; 201. a straight pipe; 202. a communicating pipe;

3. a mounting seat; 300. mounting blocks; 301. a groove; 302. inserting a space; 303. a threaded hole; 304. a screw;

4. a heat dissipating fin; 400. inserting the end; 401. a first fin; 4010. a chute; 4011. a first bonding portion; 4012. a first heat sink portion; 402. a second fin; 4021. a second bonding portion; 4022. a second heat sink member; 405. an elastic member; 5. a flow regulating valve.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "back", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of 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. Furthermore, the appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are instead intended to cover the same item.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

The embodiment relates to a flow-adjustable heat exchanger, which comprises a shell 1, a liquid inlet 101 and a liquid outlet 102 which are arranged on the shell 1, and a heat exchange tube 2, a fin connector and a heat dissipation fin 4 which are arranged in the shell 1, in the overall structure, as shown in fig. 1.

Wherein, two ends of the heat exchange tube 2 are respectively connected with the liquid inlet 101 and the liquid outlet 102; the heat exchange tube 2 comprises a plurality of parallel straight tubes 201 arranged between the liquid inlet 101 and the liquid outlet 102 at intervals, and a plurality of communicating tubes 202 respectively communicated with every two straight tubes 201. And the fin connection members are provided in plurality on the respective straight tubes 201. The plurality of radiating fins 4 are detachably arranged on the fin connecting piece, and the straight circular tubes 201 of the radiating fins 4 are axially arranged at intervals.

It should be noted that, in the present embodiment, the heat dissipation fin 4 is preferably provided with a plurality of heat dissipation holes to further enhance the heat dissipation effect of the heat dissipation fin 4, but the structure of each heat dissipation hole may refer to a conventional heat dissipation hole structure, which is not shown in the drawings; and the communication pipe 202 of the present embodiment is preferably provided as an elbow pipe. The structures of the flow-adjustable heat exchanger not mentioned in the embodiments can refer to common flow-adjustable heat exchanger equipment products in the prior art.

As a preferable embodiment, as shown in fig. 1 to 4, the fin connector of the present embodiment includes two mounting seats 3 provided on the straight pipe 201 at an interval, each mounting seat 3 is provided with a plurality of grooves 301 on a side facing the straight pipe 201, and each groove 301 forms an insertion space 302 into which an end portion of the heat radiating fin 4 can be inserted due to fitting between the mounting seat 3 and the straight pipe 201.

In practical application, as shown in fig. 3, the mounting base 3 is preferably configured to be composed of a semi-cylindrical mounting block 300, and the two mounting blocks 300 are screwed to facilitate detachable mounting of the mounting base 3 on the straight pipe 201. The screwing arrangement here can be implemented in a conventional screwing manner, for example, two mounting blocks 300 are provided with threaded holes 303, and the two mounting blocks 300 are connected by screws 304 penetrating through the two threaded holes 303. Generally, the number of the grooves 301 on each mounting seat 3 is preferably set to 4, but in practical design, the number of the grooves 301 can also be set to more than 4, for example, 5, 6, etc., based on the heat exchange requirement of the adjustable flow heat exchanger, and in this case, only the proper number of the heat dissipation fins 4 needs to be set.

As shown in fig. 2, 4 and 5, the heat dissipating fin 4 of the present embodiment includes a first fin 401 concavely formed with a sliding slot 4010, and a second fin 402 slidably disposed in the sliding slot 4010, and an elastic member 405 is disposed between the bottom of the sliding slot 4010 and the second fin 402. At this time, the length of the heat dissipating fin 4 is changed by the elastic member 405 compressed by the second fin 402, so that both ends of the heat dissipating fin 4 are inserted into the corresponding insertion spaces 302.

Preferably, as shown in fig. 5 to 7, each of the first fin 401 and the second fin 402 includes a bonding portion bonded to the straight tube 201 and a heat dissipation portion provided on the bonding portion, and the bonding portion has an insertion end 400 fitted to the insertion space 302. In practical implementation, the insertion end 400 may be provided to fit the shape and structure of the insertion space 302. Generally, for the sake of distinction, the attached portions and the heat sink portions on the first fins 401 are designated as first attached portions 4011 and first heat sink portions 4012, respectively, and the attached portions and the heat sink portions on the second fins 402 are designated as second attached portions 4021 and second heat sink portions 4022, respectively.

For better use effect, it is preferable that the insertion end 400 is provided with a chamfer, and the elastic member 405 is at least one spring, and two springs are usually adopted as the elastic member 405, so as to have better elastic effect between the second fin 402 and the first fin 401. The chamfering of the two ends of the first fin 401 and the second fin 402 may be performed by referring to a conventionally provided chamfering structure, which is shown in the figure.

In addition, in this embodiment, as shown in fig. 1, the flow-adjustable heat exchanger further includes a liquid circulation device disposed outside the housing 1, the liquid circulation device is connected to the liquid inlet 101 and the liquid outlet 102 respectively through a water pipe, and a flow-adjusting valve 5 is disposed on the water pipe close to the liquid inlet 101 to adjust the liquid flow. Preferably, the flow rate control valve 5 may be a butterfly valve.

It should be noted that the above-mentioned liquid circulation device may be implemented by a conventional device in the prior art, such as a water tank connected with a circulating water pump, and a refrigerator is disposed on a water pipe connecting the water tank and the liquid outlet 102. Also, the liquid circulation device is not shown in the drawings.

When the heat exchanger with the adjustable flow rate is used, the circulating water pump is started firstly, the butterfly valve is adjusted to the valve degree of the required flow rate, so that cold water or hot water flows in the heat exchange tube 2, and then heat exchange is carried out on the cold water or hot water and air flowing through the heat exchanger through the radiating fins 4, so that the air is cooled or heated.

The adjustable flow heat exchanger in the embodiment is provided with the plurality of detachably mounted radiating fins 4, so that the overall heat exchange effect of the device can be improved, the overall structure of the device is simple, and the practicability is high. In addition, by providing the attaching portion, the contact area between the heat radiating fin 4 and the straight tube 201 can be increased, so that the heat exchange effect of the heat radiating fin 4 can be improved. Meanwhile, through the arrangement of the butterfly valve, the flow of liquid flowing through the heat exchanger can be effectively controlled, so that a better using effect is achieved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an adjustable flow heat exchanger, includes casing (1), and locates inlet (101) and liquid outlet (102) on casing (1), its characterized in that: the heat exchange tube (2), the fin connecting piece and the radiating fin (4) are arranged in the shell (1); wherein the content of the first and second substances,

two ends of the heat exchange tube (2) are respectively connected with the liquid inlet (101) and the liquid outlet (102); the heat exchange tube (2) comprises a plurality of straight tubes (201) which are arranged between the liquid inlet (101) and the liquid outlet (102) in parallel at intervals, and a plurality of communicating tubes (202) which are respectively communicated with every two straight tubes (201);

the fin connecting pieces are arranged on the straight pipes (201) in a plurality;

the radiating fins (4) are detachably arranged on the fin connecting piece, and the radiating fins (4) are arranged around the straight pipe (201) at intervals in the axial direction.

2. The adjustable flow heat exchanger of claim 1, wherein: the fin connecting piece comprises two mounting seats (3) which are arranged on the straight pipe (201) at intervals; a plurality of grooves (301) are formed in one side, facing the straight pipe (201), of the mounting seat (3), and each groove (301) is matched and mounted with the straight pipe (201) to form an insertion space (302) into which the end portion of the radiating fin (4) can be inserted.

3. The adjustable flow heat exchanger of claim 2, wherein: the mounting seat (3) comprises two semi-cylindrical mounting blocks (300), and the grooves (301) are respectively arranged on the two mounting blocks (300) at intervals.

4. The adjustable flow heat exchanger of claim 3, wherein: the two mounting blocks (300) are arranged in a screwed manner.

5. The adjustable flow heat exchanger of claim 2, wherein: the heat dissipation fins (4) comprise first fins (401) with sliding grooves (4010) formed in an inwards concave mode and second fins (402) arranged in the sliding grooves (4010) in a sliding mode, and elastic pieces (405) are arranged between the bottoms of the sliding grooves (4010) and the second fins (402); the heat radiating fins (4) can change the length thereof due to the fact that the second fins (402) compress the elastic pieces (405), and two ends of each heat radiating fin (4) can be respectively inserted into the corresponding inserting spaces (302).

6. The adjustable flow heat exchanger of claim 5, wherein: the first fin (401) and the second fin (402) respectively comprise a joint part jointed with the straight pipe (201) and a heat dissipation part arranged on the joint part, and an insertion end (400) matched with the insertion space (302) is formed on the joint part.

7. The adjustable flow heat exchanger of claim 6, wherein: a chamfer is arranged on the inserting end (400).

8. The adjustable flow heat exchanger of claim 5, wherein: the elastic member (405) is at least one spring.

9. An adjustable flow heat exchanger according to any one of claims 1 to 8 wherein: the flow-adjustable heat exchanger further comprises a liquid circulation device arranged outside the shell (1), the liquid circulation device is respectively connected with the liquid inlet (101) and the liquid outlet (102) through a water pipe, and a flow adjusting valve (5) is arranged on the water pipe close to the liquid inlet (101).

10. The adjustable flow heat exchanger of claim 9, wherein: the flow regulating valve (5) adopts a butterfly valve.