CN114413524A

CN114413524A - Condenser

Info

Publication number: CN114413524A
Application number: CN202111533680.XA
Authority: CN
Inventors: 王亮添; 徐创丽; 谭志勇; 周志; 周贤嫄
Original assignee: Guangdong Shenling Environmental Systems Co Ltd
Current assignee: Guangdong Shenling Environmental Systems Co Ltd
Priority date: 2021-12-15
Filing date: 2021-12-15
Publication date: 2022-04-29

Abstract

The invention is suitable for the technical field of refrigeration, and discloses a condenser which comprises a heat exchange tube and a spoiler, wherein the spoiler is freely arranged in the heat exchange tube and extends to the other end of the heat exchange tube from one end of the heat exchange tube along the axial direction of the heat exchange tube, and the spoiler is arranged in the heat exchange tube and is freely arranged in the heat exchange tube and is not fixed with the heat exchange tube, so that the spoiler can automatically rotate only under the drive of a medium fluid, and the medium is stirred to form turbulent flow, thereby improving the heat exchange effect in the heat exchange tube and realizing high-efficiency heat exchange.

Description

Condenser

Technical Field

The invention relates to the technical field of refrigeration, in particular to a condenser.

Background

The condenser is the main heat exchange equipment in the refrigerating system, and the action principle is as follows: the superheated high-pressure refrigerant gas discharged from the compressor in the refrigeration system passes through the condenser pipe in the condenser, so that the high-temperature gaseous refrigerant exchanges heat with the spray water and air outside the condenser pipe. Namely, the gaseous refrigerant is gradually condensed into the liquid refrigerant from top to bottom after entering the discharging pipe from the upper opening. Traditional condenser generally adopts board-like, tubular, or board tubular structure, and its improvement is mainly in the heat transfer is reinforceed to the outside of tubes side, strengthens the heat transfer at the inside of tubes side very few, and heat transfer performance promotes limitedly, and efficiency changes unobviously, can not satisfy high-efficient heat transfer demand.

Disclosure of Invention

The invention aims to provide a condenser, which aims to solve the technical problem that the existing condenser cannot meet the requirement of efficient heat exchange.

In order to achieve the purpose, the invention provides the following scheme:

a condenser comprises a heat exchange tube and a spoiler, wherein the spoiler is freely placed in the heat exchange tube, and extends from one end of the heat exchange tube to the other end of the heat exchange tube along the axial direction of the heat exchange tube.

Preferably, the spoiler is a wave-shaped strip-shaped structure.

Preferably, the inner wall of the heat exchange tube is convexly provided with spurs, and the spurs are fully distributed on the inner wall of the heat exchange tube.

Preferably, the condenser comprises a plurality of heat exchange tubes, each heat exchange tube is provided with the spoiler, the condenser further comprises a tank body, a first partition plate and a second partition plate, a first collecting chamber and a second collecting chamber are respectively arranged on two sides of the tank body, an air inlet is arranged on the upper portion of the first collecting chamber or the upper portion of the second collecting chamber, an liquid outlet is arranged on the lower portion of the first collecting chamber or the lower portion of the second collecting chamber, the plurality of heat exchange tubes are arranged in the tank body at intervals along the height direction, two ends of each heat exchange tube are respectively communicated with the first collecting chamber and the second collecting chamber, the first collecting chamber is provided with at least one first partition plate, the second collecting chamber is provided with at least one second partition plate, the first partition plate and the second partition plate are at different heights, and the first collecting chamber is divided into at least two cavities by the first partition plate, the second separation plate divides the second collection chamber into at least two cavities.

Preferably, the upper portion of the first collection chamber is provided with the air inlet, the lower portion of the first collection chamber is provided with the liquid outlet, four first partition plates are arranged in the first collection chamber, the four first partition plates divide the first collection chamber into five cavities, the second collection chamber is provided with three second partition plates, and the three second partition plates divide the second collection chamber into four cavities.

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

Preferably, the top of the box is provided with a plurality of water distribution holes, the bottom of the box is provided with a plurality of drainage holes, the water distribution holes are arranged along the axial direction of the heat exchange tube at intervals, the inner diameter of each water distribution hole corresponds to the outer diameter of the heat exchange tube, the drainage holes are arranged along the axial direction of the heat exchange tube at intervals, and the inner diameter of each drainage hole corresponds to the outer diameter of the heat exchange tube.

Preferably, the condenser further comprises an air inlet pipe and a liquid outlet pipe, the air inlet pipe is welded with the box body, one end of the air inlet pipe is communicated with the air inlet, the other end of the air inlet pipe is used for being connected with the gas collecting pipe, the liquid outlet pipe is welded with the box body, one end of the liquid outlet pipe is communicated with the liquid outlet, and the other end of the liquid outlet pipe is used for being connected with the liquid collecting pipe.

Preferably, the heat exchange tubes are metal tubes.

According to the condenser provided by the invention, the spoiler is arranged in the heat exchange tube, is freely placed in the heat exchange tube and is not fixed with the heat exchange tube, so that the spoiler can automatically rotate only under the drive of the medium fluid, and the medium is stirred to form turbulent flow, thereby improving the heat exchange effect in the heat exchange tube and realizing high-efficiency heat exchange. And because the spoiler can rotate by oneself under the drive of medium fluid for along journey resistance loss is not obvious in the medium flow process, consequently, the condenser can realize high-efficient low resistance heat transfer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a cross-sectional view of a condenser provided by an embodiment of the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is a plan view of a condenser according to an embodiment of the present invention.

The reference numbers illustrate:

10. a heat exchange pipe; 11. bur protruding; 20. a spoiler; 30. a box body; 31. a first collection chamber; 311. a first cavity; 312. a second cavity; 313. a third cavity; 314. a fourth cavity; 315. a fifth cavity; 32. a second collection chamber; 321. a sixth cavity; 322. a seventh cavity; 323. an eighth cavity; 324. a ninth chamber; 33. an air inlet; 34. a liquid outlet; 35. water distribution holes; 36. a hydrophobic pore; 40. a first partition plate; 50. a second partition plate; 60. an air inlet pipe; 70. a liquid outlet pipe.

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.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 3, a condenser according to an embodiment of the present invention is provided to improve a heat exchange effect by changing a structure of an inner side of a heat exchange pipe 10.

Referring to fig. 1 to 3, the condenser according to the embodiment of the present invention includes a heat exchange tube 10 and a turbulator 20, wherein the turbulator 20 is freely disposed inside the heat exchange tube 10, and the turbulator 20 extends from one end of the heat exchange tube 10 to the other end of the heat exchange tube 10 along an axial direction of the heat exchange tube 10.

According to the condenser provided by the embodiment of the invention, the spoiler 20 is arranged in the heat exchange tube 10, and the spoiler 20 is freely placed in the heat exchange tube 10 and is not fixed with the heat exchange tube 10, so that the spoiler 20 can automatically rotate only under the drive of a medium fluid, the medium flows and is stirred to form turbulence, the heat exchange effect in the heat exchange tube 10 can be improved, and high-efficiency heat exchange is realized. And because the spoiler 20 can be driven by the medium fluid to rotate by itself, the loss of on-way resistance in the medium flowing process is not obvious, and therefore, the condenser can realize high-efficiency low-resistance heat exchange.

Optionally, the spoiler 20 has a wavy strip structure, so that the spoiler is more effective.

It will be appreciated that the spoiler 20 may also be provided in a helical configuration.

It can be understood that the heat exchange tube 10 can be made of a metal material, and can also be made of a non-metal material, in this embodiment, the heat exchange tube 10 is made of a metal material, which can improve the heat exchange effect of the heat exchange tube 10.

Referring to fig. 1-3, exemplarily, in some embodiments, the inner wall of the heat exchange tube 10 is convexly provided with the spurs 11, the spurs 11 are distributed on the inner wall of the heat exchange tube 10, the turbulator 20 agitates the medium to form a turbulent flow, and the spurs 11 on the inner wall of the heat exchange tube 10 continuously pierce the internal boundary layer of the medium, so that the full-space efficient heat exchange of the heat exchange tube 10 is realized, and the problem of low-resistance and high-efficiency heat exchange between the flow line spinning of the turbulator 20 and the pierced boundary layer is solved.

Optionally, when the heat exchange tube 10 is manufactured, a roll forming process is adopted, so that the burs 11 on the inner wall of the heat exchange tube 10 are sharper and can easily pierce the medium boundary layer.

Referring to fig. 1 to 3, in some embodiments, the condenser includes a plurality of heat exchange tubes 10, a tank 30, a first dividing plate 40 and a second dividing plate 50, a first collecting chamber 31 and a second collecting chamber 32 are respectively disposed at two sides of the tank 30, an air inlet 33 is disposed at an upper portion of the first collecting chamber 31 or an upper portion of the second collecting chamber 32, an air outlet 34 is disposed at a lower portion of the first collecting chamber 31 or a lower portion of the second collecting chamber 32, the plurality of heat exchange tubes 10 are spaced apart in a height direction in the tank 30, and both ends of each heat exchange tube 10 are respectively communicated with the first collecting chamber 31 and the second collecting chamber 32, the first collecting chamber 31 is provided with at least one first dividing plate 40, the second collecting chamber 32 is provided with at least one second dividing plate 50, the first dividing plate 40 and the second dividing plate 50 are at different heights, the first dividing plate 40 divides the first collecting chamber 31 into at least two cavities, while the second separation plate 50 separates the second collection chamber 32 into at least two chambers.

The condenser can change the flow speed of the medium along with the installation position of the first separation plate 40 and the installation position of the second separation plate 50 in the phase change process by additionally arranging the first separation plate 40 in the first collection chamber 31 and additionally arranging the second separation plate 50 in the second collection chamber 32, thereby improving the heat exchange efficiency.

It is understood that the positions and the number of the first partition plates 40 and the positions and the number of the second partition plates 50 may be determined according to the flow rate of the medium.

Alternatively, a plurality of first partition plates 40 are provided in the first collecting chamber 31, and a plurality of second partition plates 50 are provided in the second collecting chamber 32. For example, in this embodiment, an air inlet 33 is disposed at an upper portion of the first collecting chamber 31, an air outlet 34 is disposed at a lower portion of the first collecting chamber 31, four first partition plates 40 are disposed in the first collecting chamber 31, the four first partition plates 40 divide the interior of the first collecting chamber 31 into five cavities, namely, a first cavity 311, a second cavity 312, a third cavity 313, a fourth cavity 314, and a fifth cavity 315, three second partition plates 50 are disposed in the second collecting chamber 32, the three second partition plates 50 divide the interior of the second collecting chamber 32 into four cavities, namely, a sixth cavity 321, a seventh cavity 322, an eighth cavity 323, and a ninth cavity 324, the air inlet 33 is communicated with the first cavity 311, the air outlet 34 is communicated with the fifth cavity 315, the flow of the medium in the condenser includes eight stages, and the first stage flow is: the medium enters the first cavity 311 from the gas inlet 33 and enters the sixth cavity 321 from the first cavity 311 through the heat exchange tube 10; the second stage of the process is as follows: the medium enters the second cavity 312 from the sixth cavity 321 through the heat exchange tube 10; the third stage flow is as follows: the medium enters the seventh cavity 322 from the second cavity 312 through the heat exchange tube 10; the fourth section of the process is as follows: the medium enters the third cavity 313 from the seventh cavity 322 through the heat exchange tube 10; the fifth section of the process is as follows: the medium enters the eighth cavity 323 from the third cavity 313 through the heat exchange tube 10; the sixth section of the process is as follows: the medium enters the fourth cavity 314 from the eighth cavity 323 through the heat exchange tube 10; the seventh section of the process is as follows: the medium enters the ninth cavity 324 from the fourth cavity 314 through the heat exchange tube 10; the eighth section of the process is as follows: the medium enters the fifth cavity 315 from the ninth cavity 324 through the heat exchange tube 10 and flows out from the liquid outlet 34.

Optionally, the heat exchange tube 10 is welded to the box 30 in a hot melting manner or an argon arc welding manner.

Further, in some embodiments, the top of the tank 30 is provided with a plurality of water distribution holes 35, the plurality of water distribution holes 35 are axially spaced along the heat exchange tube 10, the inner diameter of each water distribution hole 35 corresponds to the outer diameter of the heat exchange tube 10, and the deviation is within 2 mm, so as to ensure that the water distribution amount satisfies that each tube distributes water uniformly; the bottom of the box body 30 is provided with a plurality of water drainage holes 36, the arrangement mode of the water drainage holes 36 is similar to that of the water distribution holes 35, the water drainage holes 36 are axially arranged along the heat exchange tube 10 at intervals, the inner diameter of each water drainage hole 36 corresponds to the outer diameter of the heat exchange tube 10, the deviation is within 2 millimeters, and timely drainage is guaranteed.

Referring to fig. 1-3, in some embodiments, the condenser further includes an inlet pipe 60 and an outlet pipe 70, the inlet pipe 60 is welded to the tank 30, one end of the inlet pipe 60 is connected to the inlet port 33, the other end is used to connect to the gas collecting pipe, the outlet pipe 70 is welded to the tank 30, one end of the outlet pipe 70 is connected to the outlet port 34, and the other end is used to connect to the liquid collecting pipe.

It can be understood that the condenser can be used in a refrigeration cycle system, which includes a compressor, a gas collecting pipe, a liquid collecting pipe and other components besides the condenser, the gas inlet pipe 60 of the condenser is connected with the gas collecting pipe, the gas collecting pipe is connected with the outlet end of the compressor, the liquid outlet pipe 70 of the condenser is connected with the liquid collecting pipe, and the liquid collecting pipe is connected to the compressor through other components.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A condenser is characterized by comprising a heat exchange tube and a spoiler, wherein the spoiler is freely placed in the heat exchange tube and extends from one end of the heat exchange tube to the other end of the heat exchange tube along the axial direction of the heat exchange tube.

2. The condenser of claim 1, wherein the turbulators are in a wave-shaped strip configuration.

3. The condenser as claimed in claim 1, wherein the heat exchange tube has protruding spines on the inner wall thereof, and the spines are distributed on the inner wall of the heat exchange tube.

4. The condenser according to claim 1, comprising a plurality of said heat exchange tubes, each of which is provided with said flow disrupter, and further comprising a tank body, a first dividing plate and a second dividing plate, both sides of said tank body being provided with a first collecting chamber and a second collecting chamber, respectively, an upper portion of said first collecting chamber or an upper portion of said second collecting chamber being provided with an air inlet, a lower portion of said first collecting chamber or a lower portion of said second collecting chamber being provided with an liquid outlet, a plurality of said heat exchange tubes being provided in said tank body at intervals in a height direction, and both ends of each of said heat exchange tubes being communicated with said first collecting chamber and said second collecting chamber, respectively, said first collecting chamber being provided with at least one of said first dividing plates, said second collecting chamber being provided with at least one of said second dividing plates, said first dividing plates being at different heights from said second dividing plates, the first separation plate divides the first collecting chamber into at least two cavities, and the second separation plate divides the second collecting chamber into at least two cavities.

5. The condenser as claimed in claim 4, wherein said air inlet is provided at an upper portion of said first collecting chamber, said liquid outlet is provided at said lower portion of said first collecting chamber, four of said first partition plates are provided in said first collecting chamber, said four of said first partition plates divide said first collecting chamber into five chambers, said three of said second partition plates are provided in said second collecting chamber, and said three of said second partition plates divide said second collecting chamber into four chambers.

6. The condenser of claim 4, wherein said heat exchange tubes are welded to said tank.

7. The condenser as claimed in claim 4, wherein the tank is provided at a top thereof with a plurality of water distribution holes, and at a bottom thereof with a plurality of water drainage holes, the plurality of water distribution holes being arranged at intervals in an axial direction of the heat exchange tube, each of the water distribution holes having an inner diameter corresponding to an outer diameter of the heat exchange tube, the plurality of water drainage holes being arranged at intervals in an axial direction of the heat exchange tube, each of the water drainage holes having an inner diameter corresponding to an outer diameter of the heat exchange tube.

8. The condenser of claim 4, further comprising an inlet tube and an outlet tube, wherein the inlet tube is welded to the tank, the inlet tube is connected at one end to the inlet port and at the other end to a gas manifold, the outlet tube is welded to the tank, and the outlet tube is connected at one end to the outlet port and at the other end to a liquid manifold.

9. A condenser as claimed in claim 1, wherein the heat exchange tubes are metal tubes.