CN115574635A - Heat exchanger and have its electrical equipment - Google Patents
Heat exchanger and have its electrical equipment Download PDFInfo
- Publication number
- CN115574635A CN115574635A CN202211324488.4A CN202211324488A CN115574635A CN 115574635 A CN115574635 A CN 115574635A CN 202211324488 A CN202211324488 A CN 202211324488A CN 115574635 A CN115574635 A CN 115574635A
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- gas
- tube
- heat exchanger
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/1615—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation the conduits being inside a casing and extending at an angle to the longitudinal axis of the casing; the conduits crossing the conduit for the other heat exchange medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a heat exchanger and electrical equipment with the same, relates to the technical field of heat exchangers, and mainly aims to provide a heat exchanger structure with high heat exchange efficiency. The heat exchanger comprises a shell, a heat exchange tube and a gas-equalizing plate, wherein the heat exchange tube and the gas-equalizing plate are both positioned in the shell, and the gas-equalizing plate is sleeved on the heat exchange tube; the gas-homogenizing plate is provided with gas-homogenizing holes which penetrate through the upper surface and the lower surface of the gas-homogenizing plate, and gas escaping from the liquid level below the gas-homogenizing plate and outside the heat exchange tube can diffuse to the upper part of the gas-homogenizing plate through the gas-homogenizing holes. Liquid is arranged on the outer side of the heat exchange tube below the gas homogenizing plate, and efficient heat exchange at the heat exchange tube can be realized through soaking of a large amount of liquid; the gas-liquid mixed state and the gaseous water which do not reach the saturation temperature are filled in the heat exchange space above the gas-homogenizing plate, the heat exchange can be further enhanced under the action of the heat exchange tube, the heat exchange tube is fully discharged after reaching the saturation temperature, and the heat exchange capacity of the heat exchanger can be improved.
Description
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a heat exchanger and electrical equipment with the same.
Background
The heat exchanger can be divided into a horizontal heat exchanger and a vertical heat exchanger in form. The vertical heat exchanger has the advantages of small occupied area, compact structure, easy piping, large heat transfer coefficient, good heat exchange effect and the like due to the vertical arrangement of the structure. In long-term use, the skilled person has found that vertical heat exchangers also have the following disadvantages:
firstly, due to the limitation of the height and the volume of the heat exchanger, the heat exchange space of the heat exchanger is smaller, and the design of the heat exchange form is single. If heat exchange is carried out only in the form of full liquid, under the condition that the volume of the heat exchanger is small, the liquid occupies most space, and the vaporized and ascending refrigerant has no space for further heat exchange, so that the heat exchange is insufficient and the heat exchange is influenced; secondly, traditional heat transfer mode walks water in with the heat exchange tube, the heat exchange tube walks the form of refrigerant outward and carries out the heat exchange, at this in-process, the refrigerant that is located the heat exchange tube outside is liquid by the condensation gradually of high temperature gas-liquid mixture attitude in exothermic process, if the refrigerant gets into from the top, then gaseous phase refrigerant can suspend all the time in the top, influence going on of heat exchange, when the refrigerant gets into from the bottom, the refrigerant liquefies fast and flows back to the heat exchanger bottom, thereby lead to heat exchanger upper portion space to be wasted, can't effectively carry out heat exchange, still can further restrain the flow of refrigerant simultaneously.
In order to improve the utilization rate of the heat exchange space in the heat exchanger, the liquid, gas-liquid mixed and gaseous media can exchange heat fully in each area in the container, so that a better heat exchange effect is obtained, and a novel heat exchanger structure needs to be developed.
Disclosure of Invention
The invention aims to provide a heat exchanger and an electric appliance with the same, and aims to solve the technical problem that the heat exchanger in the prior art is low in heat exchange efficiency. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
the heat exchanger provided by the invention comprises a shell, a heat exchange tube and a gas-equalizing plate, wherein the heat exchange tube and the gas-equalizing plate are both positioned in the shell, and the gas-equalizing plate is sleeved on the heat exchange tube;
the gas homogenizing plate is provided with a gas homogenizing hole which penetrates through the upper surface and the lower surface of the gas homogenizing plate, and gas which is located below the gas homogenizing plate and is located outside the heat exchange pipe and escapes from the liquid level can diffuse to the upper part of the gas homogenizing plate through the gas homogenizing hole.
The gas-homogenizing plate can separate the space in the shell into an upper heat exchange space and a lower heat exchange space which are different and are communicated with the two heat exchange spaces through the gas-homogenizing hole. The liquid is filled in the heat exchange space which is positioned below the gas homogenizing plate and outside the heat exchange tube, the liquid level is positioned below the gas homogenizing plate, and the high-efficiency heat exchange at the heat exchange tube can be realized through the soaking of a large amount of liquid; the gas-liquid mixed state and the gaseous water which do not reach the saturation temperature are filled in the heat exchange space above the gas-homogenizing plate, the heat exchange can be further enhanced under the action of the heat exchange tube, the heat exchange tube is enabled to fully exchange heat and discharge the heat after reaching the saturation temperature, the preparation of high-temperature saturated vapor is facilitated, and the heat exchange capacity of the heat exchanger is improved. In addition, the gas homogenizing plate has the effect of blocking liquid drops, so that large liquid drops are reserved below the gas homogenizing plate.
On the basis of the technical scheme, the invention can be further improved as follows.
As a further improvement of the invention, at least one of the heat exchange tubes comprises a heat exchange straight tube and a heat exchange winding tube.
The heat exchange straight pipe can help disperse a liquid film formed by liquefying the refrigerant, and the heat transfer performance of the heat exchange pipe is prevented from being reduced due to accumulation of the liquefied refrigerant on the wall of the heat exchange pipe; and the heat exchange coiled pipe is beneficial to increasing the circulation stroke, increasing the heat exchange area and further improving the heat exchange capacity of the heat exchange pipe.
As a further improvement of the invention, the heat exchange straight pipe is positioned below the heat exchange wound pipe.
The structure can fully utilize the advantages of the heat exchange straight pipe and the heat exchange wound pipe, the heat exchange straight pipe positioned below can effectively avoid the formation of a liquid film, and the heat transfer performance below the heat exchange pipe is ensured not to be obviously reduced; the heat exchange coiled pipe positioned above can improve the heat exchange capacity of the water in a gas-liquid mixed state by increasing the heat exchange area and the circulation stroke.
As a further improvement of the invention, the gas homogenizing plate is positioned at the joint of the heat exchange straight pipe and the heat exchange wound pipe.
At the moment, the heat exchange straight pipe and the heat exchange winding pipe can be separated through the gas-homogenizing plate.
As a further improvement of the invention, the heat exchange straight pipe is arranged along the vertical direction, and the axis of the heat exchange straight pipe is parallel to the axis of the shell.
The heat exchange straight pipes arranged along the vertical line can ensure that enough heat exchange pipes can be arranged in the limited space of the heat exchanger, and the contact area between liquid water and a refrigerant can be improved within a certain range.
As a further improvement of the invention, the upper end of the shell is provided with a gaseous water outlet and a refrigerant outlet, the lower end of the shell is provided with a liquid water inlet and a refrigerant inlet, the refrigerant outlet and the refrigerant inlet are respectively communicated with the heat exchange tube, and the gaseous water outlet and the liquid water inlet are respectively communicated with the shell.
At the moment, liquid water flows through the shell from the outside of the heat exchange pipe and through the corresponding inlet and outlet, the refrigerant flows through the shell through the heat exchange pipe, the liquid water can contact the heat exchange pipe in a large area in the mode that water flows out of the heat exchange pipe and the refrigerant flows out of the heat exchange pipe, so that heat exchange treatment is carried out on water as much as possible by using a limited space, the heat exchange efficiency of the refrigerant is improved, and more high-temperature water and saturated steam are obtained.
As a further improvement of the present invention, a tube box is disposed at the upper end and/or the lower end of the housing, the refrigerant outlet and/or the refrigerant inlet is/are located on the tube box, and the tube box is communicated with all the heat exchange tubes.
The heat exchange tubes are connected with the tube boxes, and at the moment, high-temperature refrigerants can flow in and/or flow out through the tube boxes, so that the refrigerants can uniformly flow in the heat exchange tubes or be discharged from the heat exchange tubes.
As a further improvement of the present invention, a sealing plate is hermetically provided at the upper end and/or the lower end of the casing, and the heat exchange tube is communicated with the tube box through the sealing plate.
The invention also provides electrical equipment comprising the heat exchanger.
As a further improvement of the present invention, the electric appliance is an air conditioner.
Compared with the prior art, the technical scheme provided by the preferred embodiment of the invention has the following beneficial effects:
the gas-distributing plate can separate the space in the shell into an upper heat exchange space and a lower heat exchange space which are different and are communicated with the two heat exchange spaces through the gas-distributing holes: the liquid level is positioned below the gas homogenizing plate, and the high-efficiency heat exchange at the heat exchange tube can be realized through the soaking of a large amount of liquid; the gas-liquid mixed state and the gaseous water which do not reach the saturation temperature are filled in the heat exchange space above the gas-homogenizing plate, further heat exchange can be carried out under the action of the heat exchange tube, the heat exchange tube is enabled to fully exchange heat and discharge the heat after reaching the saturation temperature, the preparation of high-temperature saturated vapor is facilitated, and the heat exchange capacity of the heat exchanger is improved. In addition, the gas homogenizing plate has the effect of blocking liquid drops, so that large liquid drops are reserved below the gas homogenizing plate. Meanwhile, a large amount of high-temperature liquid and water vapor can be output simultaneously by using a mode that the heat exchange tubes are used for conveying the refrigerant and the rest space in the shell is used for conveying liquid, and efficient heat exchange of the refrigerant is realized on the basis of improving the utilization rate of a heat exchange space. The special structure of the heat exchange tube can help solve the problems that the liquid film is easy to accumulate on the inner wall of the heat exchange tube and the heat exchange performance is influenced, and can also help increase the circulation stroke and increase the heat exchange area, so that the heat exchange capacity of the heat exchanger for gas-liquid mixed water is improved.
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 drawings without creative efforts.
FIG. 1 is a schematic diagram of the construction of a heat exchanger according to the present invention;
FIG. 2 is a schematic representation of the use of the heat exchanger of the present invention;
fig. 3 is a schematic structural diagram of a heat exchange tube in the heat exchanger of the present invention.
In the figure: 1. a housing; 11. a gaseous water outlet; 12. a refrigerant outlet; 13. a liquid water inlet; 14. a refrigerant inlet; 15. closing the plate; 2. a heat exchange tube; 21. a heat exchange straight pipe; 22. heat exchange winding pipes; 3. a gas homogenizing plate; 31. air homogenizing holes; 4. a tube box.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
FIG. 1 is a schematic diagram of the heat exchanger of the present invention; the heat exchanger is a vertical heat exchanger, wherein the upper end and the lower end of the shell are respectively provided with a tube box, the shell is connected with the tube boxes through a sealing plate, the heat exchanger positioned in the shell penetrates through the sealing plate and is respectively fixedly connected with the two tube boxes, and the upper tube box and the lower tube box are respectively provided with a refrigerant outlet and a refrigerant inlet; the shell is also internally provided with an air equalizing plate which is positioned in the middle of the shell in the axis direction and sleeved on all the heat exchange tubes, the shell is divided into two heat exchange spaces which are arranged up and down by the air equalizing plate at the moment, and the two heat exchange spaces can be communicated through penetrating air equalizing holes formed in the air equalizing plate.
FIG. 2 is a schematic representation of the use of the heat exchanger of the present invention; the flow direction of the refrigerant and the liquid water can be clearly known by combining the arrow marks in the figure, at the moment, the refrigerant flows into the heat exchange tube through the tube box positioned below the shell and is finally discharged from the tube box positioned above the shell, meanwhile, the liquid water flows into the shell through the liquid water inlet formed at the lower end of the shell, and the gaseous water generated after heat exchange treatment is discharged from the gaseous water outlet positioned at the upper end of the shell through the air equalizing hole.
FIG. 3 is a schematic structural view of a heat exchange tube in the heat exchanger of the present invention; as can be clearly seen from the figure, the heat exchange tube is integrally of a strip-shaped structure, a straight tube is arranged below the heat exchange tube, a winding tube is arranged above the heat exchange tube, and the heat exchange tube and the winding tube are fixed together in a splicing or integrated forming mode and are jointly used for conveying a refrigerant.
The technical solution of the present invention will be specifically described below with reference to the accompanying drawings.
The invention provides a heat exchanger which is integrally of a vertical structure and comprises a shell 1, and a heat exchange tube 2 and a gas-homogenizing plate 3 which are positioned in the shell 1, wherein the gas-homogenizing plate 3 is positioned in the middle of the shell 1, holes for the heat exchange tube 2 to pass through are formed in the gas-homogenizing plate 3, and the heat exchange tube 2 is arranged on the heat exchange tube 2 in a penetrating manner through the holes. In addition, the gas-uniforming plate 3 is further provided with gas-uniforming holes 31, and the gas-uniforming holes 31 penetrate through the upper surface and the lower surface of the gas-uniforming plate 3.
Due to the gas homogenizing plate 3, the space in the casing 1 can be divided into an upper part and a lower part by the gas homogenizing plate 3, and the two parts can be communicated through the gas homogenizing hole 31.
When the heat exchanger is used, the liquid level of a liquid material which is injected into the heat exchanger shell 1 and is positioned outside the heat exchange tube 2 can be always positioned below the gas homogenizing plate 3, when heat exchange treatment is carried out, the liquid can be in full contact with the heat exchange tube 2 and can carry out high-efficiency heat exchange, so that heat can be absorbed, a large amount of gas-liquid mixed gas and gaseous water can be generated, the gas-liquid mixed gas and gaseous water can be diffused to the upper part of the gas homogenizing plate 3 through the gas homogenizing hole 31, further heat exchange treatment can be carried out on the upper part of the gas homogenizing plate 3, the gas and gaseous water is discharged after full heat exchange reaches the saturation temperature, high-temperature saturated vapor can be prepared, the heat exchange capacity of the heat exchanger can be improved, and the problems that the heat exchange capacity of the traditional heat exchanger is insufficient and the heat exchange capacity is insufficient can be effectively solved; in addition, the gas-homogenizing plate 3 can also help to block liquid drops and prevent larger liquid drops from entering the upper part of the gas-homogenizing plate 3.
Generally, the number of the heat exchange tubes 2 is plural and the arrangement is performed according to actual needs.
In the present embodiment, at least one heat exchange tube 2 of the plurality of heat exchange tubes 2 includes a heat exchange straight tube 21 and a heat exchange wound tube 22.
The heat exchange straight pipe 21 can help disperse a liquid film formed by liquefying the refrigerant, and the heat transfer performance of the heat exchange pipe 2 is prevented from being reduced due to accumulation of the liquefied refrigerant on the wall of the heat exchange pipe 2; the heat exchange coiled pipe 22 is beneficial to increasing the circulation stroke, increasing the heat exchange area and further improving the heat exchange capacity of the heat exchange pipe 2.
Specifically, the heat exchange straight tube 21 and the heat exchange coiled tube 22 may be formed by separately processing and then splicing by heating or other methods, or may be formed by integrally forming and processing. The two processing modes can be both, as long as the mutual communication of the heat exchange straight pipe 21 and the heat exchange winding pipe 22 can be ensured, and no gap exists at the joint.
In addition, it should be noted that the number of the heat exchange tubes 2 including both the heat exchange straight tube 21 and the heat exchange coiled tube 22 may be one or more. As shown in fig. 1, all the heat exchange tubes 2 include a straight heat exchange tube 21 and a coiled heat exchange tube 22.
As an alternative embodiment, the heat exchange straight tube 21 is located below the heat exchange coiled tube 22, as shown in fig. 3.
The structure can fully utilize the advantages of the heat exchange straight pipe 21 and the heat exchange wound pipe 22, the heat exchange straight pipe 21 positioned below can effectively avoid the formation of a liquid film, and the heat transfer performance below the heat exchange pipe 2 is ensured not to be obviously reduced; the heat exchange coiled pipe 22 positioned above can improve the heat exchange capacity of the water in a gas-liquid mixed state by increasing the heat exchange area and the circulation stroke.
As an alternative embodiment, the gas-homogenizing plate 3 is located at the joint of the heat exchange straight pipe 21 and the heat exchange wound pipe 22. In other words, the gas homogenizing plate 3 is located at the top end of the heat exchanging straight pipe 21, the other end of the gas homogenizing plate 3 is provided with the heat exchanging coiled pipe 22, and the bottom of the heat exchanging coiled pipe 22 is communicated with the top of the heat exchanging straight pipe 21.
In this case, the straight heat exchange tubes 21 and the coiled heat exchange tubes 22 can be separated from each other by the gas uniforming plate 3. And also helps to further secure the heat exchange tube 2.
As an alternative embodiment, the heat exchange straight pipe 21 is arranged along the vertical direction, and the axis of the heat exchange straight pipe 21 is parallel to the axis of the shell 1.
The heat exchange straight pipe 21 arranged along the vertical line can ensure that enough heat exchange pipes 2 can be arranged in the limited space of the heat exchanger, and the contact area between liquid water and a refrigerant can be improved within a certain range.
In the present embodiment, all the heat exchange tubes 2 are arranged uniformly in the shell 1.
As an alternative embodiment, the upper end of the casing 1 is provided with a gaseous water outlet 11 and a refrigerant outlet 12, the lower end of the casing 1 is provided with a liquid water inlet 13 and a refrigerant inlet 14, the refrigerant outlet 12 and the refrigerant inlet 14 are respectively communicated with the heat exchange tube 2, and the gaseous water outlet 11 and the liquid water inlet 13 are respectively communicated with the casing 1.
At the moment, liquid water is positioned outside the heat exchange tube 2 and flows through the shell 1 through the corresponding inlet and outlet, the refrigerant flows through the shell 1 through the heat exchange tube 2, the liquid water can contact the heat exchange tube 2 in a large area in a mode that water flows outside the heat exchange tube 2 and the refrigerant flows inside the heat exchange tube 2, so that heat exchange treatment is carried out on water as much as possible by using a limited space, the heat exchange efficiency of the refrigerant is improved, and more high-temperature water and saturated steam are obtained.
As an alternative embodiment, the shell 1 is provided at the upper and/or lower end with a tube box 4, the refrigerant outlet 12 and/or the refrigerant inlet 14 is located on the tube box 4, and the tube box 4 communicates with all the heat exchange tubes 2.
The heat exchange tubes 2 are connected with the tube box 4, and at the moment, high-temperature refrigerant can flow in and/or out through the tube box 4, so that the refrigerant can uniformly flow into the plurality of heat exchange tubes 2 or be discharged from the plurality of heat exchange tubes 2.
As an alternative embodiment, the upper and/or lower end of the shell 1 is hermetically provided with a closing plate 15, and the heat exchange tube 2 communicates with the header tank 4 through the closing plate 15.
The tube sealing box 4 and the housing 1 may be formed as an integral structure, and the two are separated from each other by the sealing plate 15.
Specifically, as shown in fig. 1, the upper and lower ends of the casing 1 are provided with the sealing plate 15 and the header 4, and the refrigerant inlet 14 and the refrigerant outlet 12 are located at the lower header 4 and the upper header 4, respectively.
Furthermore, in order to ensure that the refrigerant does not leak, the heat exchange tube 2 and the tube box 4 can be integrated.
When the heat exchanger works, the flowing mode of a refrigerant and liquid water is as shown in figure 2:
the refrigerant inlet 14 is arranged on the tube box 4 at the bottom of the shell 1, the high-temperature refrigerant flows into the tube box 4, the heat exchange straight tube 21 and the heat exchange winding tube 22 in sequence through the refrigerant inlet 14, and after heat exchange treatment is carried out on the heat exchange straight tube 21 and the heat exchange winding tube 22, the refrigerant with the reduced temperature is discharged through the refrigerant outlet 12 of the tube box 4 at the top of the shell 1; the liquid water inlet 13 is located on the side of the bottom of the shell 1, the liquid water flows into the shell 1 in a downward-in-upward-out mode, the heat exchange straight pipe 21 is arranged in a space below the gas homogenizing plate 3 and filled outside the heat exchange straight pipe 21 in a liquid full mode, heat exchange treatment is carried out on the liquid water and a refrigerant located in the heat exchange straight pipe 21, after certain heat is absorbed, part of liquid is gasified and carries liquid drops to escape from a liquid level, the larger liquid drops are blocked by the gas homogenizing plate 3, a small amount of liquid drop mixed gaseous water enters another heat exchange space above the gas homogenizing plate 3 through the gas homogenizing hole 31, at the moment, the liquid mixed gaseous water can carry out heat exchange treatment on the refrigerant located in the winding pipe, and accordingly the escaped gas-liquid mixture can reach a saturation temperature after sufficient heat exchange and can be discharged through the gaseous water outlet 11 formed in the side of the top of the shell 1.
It should be noted that, in the above heat exchange process, the refrigerant inside the heat exchange tube 2 is always in a high temperature state, and the temperature of the refrigerant is always higher than the water temperature, so that it can be ensured that the water outside the heat exchange tube 2 can be always in a heated state.
When the heat exchanger works, the space outside the heat exchange tube 2 is larger than the space inside the heat exchange tube 2, so that the heat exchange efficiency of the refrigerant can be improved by adopting a mode of conveying the refrigerant inside the heat exchange tube 2 and conveying liquid water outside the heat exchange tube 2 in a mode of ensuring that the refrigerant and the liquid water keep the maximum contact surface; in addition, the condition that the temperature rising speed of the liquid water is too slow or the liquid water level is higher than the gas homogenizing plate 3 can be avoided by controlling the water inlet flow and the water inlet speed. In addition, when the refrigerant in the heat exchange tube 2 is positioned below the liquid level, a liquid refrigerant is easily formed, at the moment, a high-temperature gaseous refrigerant is partially liquefied and attached to the inner wall of the heat exchange straight tube 21 in the process of moving from bottom to top and flows downwards under the action of gravity, meanwhile, the gaseous refrigerant continuously blown upwards can blow away the liquid refrigerant or uniformly distribute the liquid refrigerant, and exchanges heat with the liquefied refrigerant through the high temperature of the gaseous refrigerant, so that the condition that a liquid film is attached to the inner wall of the heat exchange tube 2 is avoided or reduced, and the heat exchange tube 2 can be further ensured to maintain high heat exchange performance all the time; the heat exchange winding tube 22 above the heat exchange straight tube 21 can help to prolong the moving stroke of the refrigerant, and meanwhile, the contact area between the heat exchange tube 2 and the external environment is increased, so that the heat exchange effect is improved.
The invention also provides electrical equipment comprising the heat exchanger.
As an alternative embodiment, the electrical appliance is an air conditioner.
It should be understood that the electrical device may also be other electrical devices having heat exchange requirements.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A heat exchanger is characterized by comprising a shell, a heat exchange tube and a gas-equalizing plate, wherein the heat exchange tube and the gas-equalizing plate are both positioned in the shell, and the gas-equalizing plate is sleeved on the heat exchange tube;
the gas homogenizing plate is provided with a gas homogenizing hole which penetrates through the upper surface and the lower surface of the gas homogenizing plate, and gas which is located below the gas homogenizing plate and is located outside the heat exchange pipe and escapes from the liquid level can diffuse to the upper part of the gas homogenizing plate through the gas homogenizing hole.
2. The heat exchanger of claim 1, wherein at least one of the plurality of heat exchange tubes comprises a straight heat exchange tube and a coiled heat exchange tube.
3. The heat exchanger of claim 2, wherein the straight heat exchange tube is located below the heat exchange coil.
4. The heat exchanger according to claim 2 or 3, wherein the gas homogenizing plate is located at the joint of the heat exchange straight pipe and the heat exchange coiled pipe.
5. The heat exchanger according to claim 2, wherein the heat exchange straight pipes are arranged in a vertical direction and axes of the heat exchange straight pipes are parallel to an axis of the shell.
6. The heat exchanger according to claim 1, wherein the upper end of the housing is provided with a gaseous water outlet and a refrigerant outlet, the lower end of the housing is provided with a liquid water inlet and a refrigerant inlet, the refrigerant outlet and the refrigerant inlet are respectively communicated with the heat exchange tubes, and the gaseous water outlet and the liquid water inlet are respectively communicated with the housing.
7. The heat exchanger according to claim 6, wherein the shell is provided at an upper end and/or a lower end thereof with a tube box on which the refrigerant outlet and/or the refrigerant inlet is provided, the tube box communicating with all the heat exchange tubes.
8. The heat exchanger according to claim 7, wherein the upper and/or lower end of the case is hermetically provided with a sealing plate, and the heat exchange tubes communicate with the header tank through the sealing plate.
9. An electrical apparatus, characterized in that it comprises a heat exchanger according to any one of claims 1-8.
10. The electrical apparatus of claim 9, wherein the electrical apparatus is an air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211324488.4A CN115574635A (en) | 2022-10-27 | 2022-10-27 | Heat exchanger and have its electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211324488.4A CN115574635A (en) | 2022-10-27 | 2022-10-27 | Heat exchanger and have its electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115574635A true CN115574635A (en) | 2023-01-06 |
Family
ID=84587972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211324488.4A Pending CN115574635A (en) | 2022-10-27 | 2022-10-27 | Heat exchanger and have its electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115574635A (en) |
-
2022
- 2022-10-27 CN CN202211324488.4A patent/CN115574635A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4130555B2 (en) | Gas humidifier | |
| EP1286121B1 (en) | Generator for use in an absorption chiller-heater | |
| RU2003121641A (en) | HEATING DEVICE | |
| JPH0550668B2 (en) | ||
| CN105953629A (en) | Heat exchanger | |
| CN104596107A (en) | Outer disc microchannel liquid dividing condensation type heat-pump water heater water tank | |
| JPH11135972A (en) | Housing cooling device | |
| CN218723378U (en) | Heat exchanger and have its electrical equipment | |
| CN106403073A (en) | Cooling device | |
| CN115574635A (en) | Heat exchanger and have its electrical equipment | |
| CN111829213A (en) | Evaporative condenser with variable-curvature serpentine coil pipe | |
| CN207702782U (en) | A kind of refrigerant heating device and air conditioner | |
| CN109478661A (en) | Fuel-cell device | |
| CN204513776U (en) | Separatory condensation type heat pump water-heater water tank | |
| CN113028857A (en) | Heat exchanger and heat exchange system including the same | |
| CN213660898U (en) | Electric cabinet dehumidifier | |
| CN218336974U (en) | High-efficient heat dissipation electric appliance cabinet | |
| CN216717093U (en) | Heat exchanger | |
| CN219367753U (en) | Air can heating equipment all-in-one | |
| CN220852671U (en) | Multistage pressure condenser | |
| CN216644724U (en) | Casing and cold water machine and welding machine of cold water machine | |
| CN215216197U (en) | Energy-saving device for boiler | |
| CN219064075U (en) | Heat exchanger and dryer | |
| CN115540395B (en) | Heat exchanger and air conditioner | |
| CN218495415U (en) | Heat exchanger and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |