CN214120886U

CN214120886U - Heat exchanger with good heat exchange effect

Info

Publication number: CN214120886U
Application number: CN202023284833.5U
Authority: CN
Inventors: 陈通; 李林华; 谭军华
Original assignee: Dongguan Pengjin Machinery Technology Co ltd
Current assignee: Dongguan Pengjin Machinery Technology Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-09-03
Anticipated expiration: 2030-12-30

Abstract

The utility model discloses a heat exchanger with good heat exchange effect, which comprises a plurality of rows of heat pipes; the upper ends of each row of heat pipes are communicated through a connecting pipe, the lower ends of every two heat pipes are communicated, the upper parts of the multiple rows of heat pipes form a heat releasing part, the lower parts of the multiple rows of heat pipes form a heat absorbing part, and working media are filled in the connecting pipes and the heat pipes; through the design there is the connecting pipe, the upper end of every row of heat pipe is through the connecting pipe intercommunication to, the lower extreme intercommunication of two liang of a set of heat pipes, at the during operation, the connecting pipe can let the temperature distribution of the heat release part on heat pipe upper portion more even, thereby can carry out the even heating to NMP gas, guarantee that subsequent coating work goes on smoothly.

Description

Heat exchanger with good heat exchange effect

Technical Field

The utility model belongs to the technical field of the NMP gas heat exchanger and specifically relates to indicate a good heat exchanger of heat transfer effect.

Background

NMP is an organic solvent which cannot be replaced by the lithium battery industry and other industries, the price is high, and the direct emission of NMP gas has certain harm to the environment, so the emission must be limited. In the production process of a lithium battery, generally, the cathode coating machine discharges high-temperature and high-humidity tail gas containing NMP, the tail gas is recovered by an NMP recovery system, and in order to save energy, the NMP recovery system is generally provided with a heat exchanger which can absorb part of heat of NMP gas just entering a gas treatment cavity so as to be absorbed by the treated NMP gas. However, the conventional heat exchanger has an unreasonable structural design, and the NMP gas is not uniformly heated when the heat exchanger releases heat, which affects the coating work.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides a heat exchanger that heat transfer effect is good, and it can solve the inhomogeneous problem of heating to the NMP gas when the heat exchanger releases the heat.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a heat exchanger with good heat exchange effect comprises a plurality of rows of heat pipes; the upper ends of each row of heat pipes are communicated through a connecting pipe, the lower ends of every two heat pipes are communicated, the upper parts of the multiple rows of heat pipes form a heat releasing part, the lower parts of the multiple rows of heat pipes form a heat absorbing part, and working media are filled in the connecting pipes and the heat pipes.

As a preferable scheme, the connecting pipe and the heat pipe are made of stainless steel or aluminum.

Preferably, the diameter of each of the connecting pipe and the heat pipe is 10 mm.

As a preferred scheme, a plurality of fins used for increasing the heat exchange area are arranged on the outer side surface of the heat pipe.

As a preferred scheme, the fins are made of aluminum.

As a preferred scheme, the lower ends of every two heat pipes in one group are communicated in a U shape.

As a preferred scheme, the heat pipe heat exchanger further comprises a ventilation cavity which is formed by a plurality of plate members in an enclosing mode and is through from front to back, a partition plate which divides the ventilation cavity into a heat release cavity and a heat absorption cavity is arranged in the ventilation cavity, the upper portions of the plurality of rows of heat pipes upwards penetrate through the partition plate and extend into the heat release cavity to form the heat release part, and the lower portions of the plurality of rows of heat pipes downwards penetrate through the partition plate and extend into the heat absorption cavity to form the heat absorption part.

As a preferable scheme, the partition plate is a double-layer plate, a gap is formed between the double-layer plate, and a sealing material for preventing the heat release cavity and the heat absorption cavity from wind cross is filled in the gap.

Preferably, the sealing material is polytetrafluoroethylene.

Compared with the prior art, the utility model have obvious advantage and beneficial effect, particularly, can know by above-mentioned technical scheme, it mainly is through the design have the connecting pipe, and the connecting pipe intercommunication is passed through to the upper end of every row of heat pipe to, the lower extreme intercommunication of two liang of a set of heat pipes, at the during operation, the connecting pipe can let the heat release partial temperature distribution on heat pipe upper portion more even, thereby can carry out the even heating to NMP gas, guarantee that subsequent coating work goes on smoothly.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

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

fig. 2 is a schematic side view of an embodiment of the present invention.

The attached drawings indicate the following:

10. a heat pipe; 101. a vent lumen; 102. a heat release cavity; 103. a heat absorbing cavity; 104. a partition plate; 105. a void; 20. a connecting pipe; 30. working medium; 40. and a fin.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

Referring to fig. 1 to 2, a specific structure of an embodiment of the present invention is shown, which includes multiple rows of heat pipes 10.

The upper ends of each row of heat pipes 10 are communicated through a connecting pipe 20, and the lower ends of every two heat pipes 10 are communicated, in this embodiment, the lower ends of every two heat pipes 10 are communicated in a U shape, the upper parts of the multiple rows of heat pipes 10 form a heat releasing part, the lower parts of the multiple rows of heat pipes 10 form a heat absorbing part, and the connecting pipe 20 and the heat pipes 10 are filled with working medium 30. In this embodiment, the connection pipe 20 and the heat pipe 10 are made of stainless steel or aluminum, the diameters of the connection pipe 20 and the heat pipe 10 are both 10mm, and a plurality of fins 40 for increasing the heat exchange area are disposed on the outer side surface of the heat pipe 10, and the fins 40 are made of aluminum.

Specifically, the heat pipe heat exchanger further comprises a ventilation cavity 101 which is formed by enclosing a plurality of plates and is through from front to back, a partition plate 104 which partitions the ventilation cavity 101 into a heat release cavity 102 and a heat absorption cavity 103 is arranged in the ventilation cavity 101, the upper parts of the multiple rows of heat pipes 10 upwards penetrate through the partition plate 104 and extend into the heat release cavity 102 to form the heat release part, the lower parts of the multiple rows of heat pipes 10 downwards penetrate through the partition plate 104 and extend into the heat absorption cavity 103 to form the heat absorption part, in the embodiment, the partition plate 104 is a double-layer plate, a gap 105 is formed between the double-layer plate, a sealing material which prevents the heat release cavity 102 and the heat absorption cavity 103 from wind cross is filled in the gap 105, and the sealing material is polytetrafluoroethylene.

To sum up, the utility model discloses a design has the connecting pipe, and the connecting pipe intercommunication is passed through to the upper end of every row of heat pipe to, the lower extreme intercommunication of two liang of a set of heat pipes, at the during operation, the connecting pipe can let the temperature distribution of the heat release part on heat pipe upper portion more even, thereby can carry out the even heating to NMP gas, guarantees that subsequent coating work goes on smoothly.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a heat exchanger that heat transfer effect is good which characterized in that: comprises a plurality of rows of heat pipes; the upper ends of each row of heat pipes are communicated through a connecting pipe, the lower ends of every two heat pipes are communicated, the upper parts of the multiple rows of heat pipes form a heat releasing part, the lower parts of the multiple rows of heat pipes form a heat absorbing part, and working media are filled in the connecting pipes and the heat pipes.

2. The heat exchanger with good heat exchange effect according to claim 1, characterized in that: the connecting pipe and the heat pipe are made of stainless steel or aluminum.

3. The heat exchanger with good heat exchange effect according to claim 1, characterized in that: the diameters of the connecting pipe and the heat pipe are both 10 mm.

4. The heat exchanger with good heat exchange effect according to claim 1, characterized in that: and a plurality of fins for increasing the heat exchange area are arranged on the outer side surface of the heat pipe.

5. The heat exchanger with good heat exchange effect according to claim 4, characterized in that: the fins are made of aluminum.

6. The heat exchanger with good heat exchange effect according to claim 1, characterized in that: the lower ends of every two heat pipes are communicated in a U shape.

7. The heat exchanger with good heat exchange effect according to claim 1, characterized in that: the heat absorption device is characterized by further comprising a ventilation cavity which is formed by a plurality of plate members in a surrounding mode and is through from front to back, a partition plate which divides the ventilation cavity into a heat release cavity and a heat absorption cavity is arranged in the ventilation cavity, the upper portions of the multiple rows of heat pipes upwards penetrate through the partition plate and extend into the heat release cavity to form the heat release part, and the lower portions of the multiple rows of heat pipes downwards penetrate through the partition plate and extend into the heat absorption cavity to form the heat absorption part.

8. The heat exchanger with good heat exchange effect according to claim 7, characterized in that: the partition plate is a double-layer plate, a gap is formed between the double-layer plate, and sealing materials for preventing the heat release cavity and the heat absorption cavity from wind cross are filled in the gap.

9. The heat exchanger with good heat exchange effect according to claim 8, characterized in that: the sealing material is polytetrafluoroethylene.