CN110762906A - Seasonal heat exchanger - Google Patents
Seasonal heat exchanger Download PDFInfo
- Publication number
- CN110762906A CN110762906A CN201911108901.1A CN201911108901A CN110762906A CN 110762906 A CN110762906 A CN 110762906A CN 201911108901 A CN201911108901 A CN 201911108901A CN 110762906 A CN110762906 A CN 110762906A
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- pipe
- exchange tube
- shell
- 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
- 230000001932 seasonal Effects 0.000 title claims abstract description 9
- 238000005192 partition Methods 0.000 claims abstract description 8
- 238000005452 bending Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 71
- 239000011257 shell material Substances 0.000 claims description 42
- 239000007788 liquid Substances 0.000 claims description 15
- 239000003507 refrigerant Substances 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010257 thawing Methods 0.000 abstract description 4
- 238000009423 ventilation Methods 0.000 description 5
- 238000004378 air conditioning Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 229920002456 HOTAIR Polymers 0.000 description 1
- 239000011358 absorbing material Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/02—Evaporators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S10/00—Solar heat collectors using working fluids
- F24S10/70—Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
- F25D21/14—Collecting or removing condensed and defrost water; Drip trays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The invention discloses a seasonal heat exchanger, which comprises a hollow box body (3); the box body (3) is internally provided with transversely distributed partition plates (30); the partition plate (30) divides the interior of the box body (3) into an upper cavity (31) and a lower cavity (32); a first heat exchange pipe (1) which is distributed in a bending way is arranged in the upper cavity (31); a second heat exchange tube (4) which is distributed in a bending way is arranged in the lower cavity (32); a plurality of fins (2) distributed in parallel are fixedly arranged on the outer surface of the second heat exchange tube (4); the first heat exchange tube (1) is a sleeve heat exchange tube, and the second heat exchange tube (4) is a fin type heat exchange tube. The invention can separately use different heat exchangers in different seasons, achieves the purpose of defrosting the applied heat pump system without stopping the machine, simultaneously utilizes solar energy to assist heat transfer, uses renewable energy sources in the heat exchangers, improves the energy utilization efficiency of the heat pump system and reduces the energy consumption of the heat pump system.
Description
Technical Field
The invention relates to the technical field of heat exchangers, in particular to a seasonal heat exchanger.
Background
At present, in order to improve the environmental quality in winter in northern areas of China, the heat pump air conditioning technology needs to be vigorously developed. However, the development of the heat pump technology in the northern area has a few technical defects, wherein the frosting problem of the outdoor heat exchanger in winter exists, so that the heat pump can be stopped for defrosting due to the frosting problem in the winter use process, the heat efficiency of the whole system is reduced, and the energy consumption of the system is increased.
Disclosure of Invention
The invention aims to provide a heat exchanger used in seasons aiming at the technical defects in the prior art.
Therefore, the invention provides a seasonal heat exchanger, which comprises a hollow box body;
the box body is internally provided with transversely distributed partition plates;
the partition plate divides the interior of the box body into an upper cavity and a lower cavity;
first heat exchange tubes distributed in a bent manner are arranged in the upper cavity;
the lower cavity is internally provided with second heat exchange tubes which are distributed in a bending way;
a plurality of fins distributed in parallel are fixedly arranged on the outer surface of the second heat exchange tube;
the first heat exchange tube is a sleeve heat exchange tube, and the second heat exchange tube is a fin type heat exchange tube.
Wherein, a water inlet pipe and a water outlet pipe are arranged at the right side outside the box body;
the water inlet pipe is connected with the water inlet of the first heat exchange pipe through a first water inlet pipe branch;
the water inlet pipe is connected with a water inlet of the second heat exchange pipe through a second water inlet pipe branch;
and a first stop valve and a second stop valve are respectively arranged on the first water inlet pipe branch and the second water inlet pipe branch.
The water outlet of the first heat exchange tube is connected with the water outlet tube through a first water outlet tube branch;
the water outlet of the second heat exchange tube is connected with the water outlet tube through a second water outlet tube branch;
and a third stop valve and a fourth stop valve are respectively arranged on the first water outlet pipe branch and the second water outlet pipe branch.
Wherein, the first inlet tube branch road and the first outlet pipe branch road that first heat transfer pipe shell links to each other link to each other with the one end of a water pipe of installing the sixth stop valve to and the one end of a water pipe of installing the fifth stop valve respectively.
The shell of the first heat exchange tube is internally provided with a refrigerant, and the outside of the shell is provided with other preset heat exchange liquid.
The first heat exchange tube comprises a hollow inner tube shell;
the outer part of the inner pipe shell is provided with an outer pipe shell;
the inner pipe shell is made of a thin material with good heat exchange performance;
the outer pipe shell is made of the shell material of the existing solar heat exchange pipe.
Wherein, the lower cavity of the box body adopts a hollow design.
Compared with the prior art, the invention provides the heat exchanger which can be used in different seasons, so that the purpose of defrosting of an applied heat pump system without stopping is achieved, meanwhile, the solar heat exchange tube is utilized, solar energy is utilized for assisting heat transfer, renewable energy is used in the heat exchanger, the energy utilization efficiency of the heat pump system is improved, the energy consumption of the heat pump system is reduced, and the heat exchanger has great production practice significance.
Drawings
FIG. 1 is a schematic diagram of a heat exchanger for use in a seasonal period according to the present invention;
fig. 2 is a schematic diagram of a first heat exchanger (i.e., a double-pipe heat exchange tube) in the heat exchanger for use in different seasons according to the present invention.
In the figure, 1 is a first heat exchange tube, 2 is a fin, 3 is a box body, 4 is a second heat exchange tube, and 5 is a water inlet tube;
6 is a water outlet pipe, 7 is a first stop valve, 8 is a second stop valve, 9 is a third stop valve, and 10 is a fourth stop valve;
11 is a fifth stop valve, 12 is a sixth stop valve, 13 is an inner pipe shell and 14 is an outer pipe shell.
Detailed Description
In order that those skilled in the art will better understand the technical solution of the present invention, the following detailed description of the present invention is provided in conjunction with the accompanying drawings and embodiments.
Referring to fig. 1 and 2, the invention provides a heat exchanger for use in different seasons, which comprises a hollow box body 3;
a transversely distributed partition plate 30 is arranged in the box body 3;
the partition plate 30 divides the interior of the box body 3 into an upper cavity 31 and a lower cavity 32;
the upper cavity 31 is internally provided with first heat exchange tubes 1 which are distributed in a bending way;
the second heat exchange tubes 4 distributed in a bent way are arranged in the lower cavity 32;
a plurality of parallel fins 2 are fixedly arranged (for example, welded) on the outer surface of the second heat exchange tube 4, and the fins 2 are used for heat dissipation on the second heat exchange tube 4.
In the invention, the first heat exchange tube 1 is a sleeve heat exchange tube, and the second heat exchange tube 4 is a fin heat exchange tube.
In the invention, a water inlet pipe 5 and a water outlet pipe 6 are arranged at the right side outside the box body 3;
the water inlet pipe 5 is connected with the water inlet of the first heat exchange pipe 1 through a first water inlet pipe branch 51;
the water inlet pipe 5 is connected with the water inlet of the second heat exchange pipe 4 through a second water inlet pipe branch 52;
the first and second water inlet branch pipes 51 and 52 are respectively provided with a first and second stop valve 7 and 8.
In particular, a water outlet of the first heat exchange tube 1 is connected with a water outlet tube 6 through a first water outlet tube branch 61;
the water outlet of the second heat exchange tube 4 is connected with the water outlet tube 6 through a second water outlet tube branch 62;
a third stop valve 9 and a fourth stop valve 10 are respectively arranged on the first water outlet pipe branch 61 and the second water outlet pipe branch 62.
In concrete implementation, the first water inlet pipe branch 51 and the first water outlet pipe branch 61 connected to the shell of the first heat exchange pipe 1 (i.e. the double-pipe heat exchange pipe) are respectively connected to one end of a water pipe provided with the sixth stop valve 12 and one end of a water pipe provided with the fifth stop valve 11.
In the invention, a first heat exchange tube 1 and a second heat exchange tube 4 are separately arranged in a box body 3, the first heat exchange tube 1 is arranged at the upper part in the box body 3, the second heat exchange tube 4 is arranged at the lower part in the box body 3, and the second heat exchange tube 4 adopts a finned heat exchange tube.
In summer, when the heat pump system realizes cold air conditioning, a fin type heat exchange tube (namely, a second heat exchange tube 4) at the lower part is adopted, natural ventilation is utilized for heat exchange, or a fan (a common commercial large fan) is arranged at the rear part for forced ventilation; in winter, when the heat pump system realizes hot air conditioning, the upper sleeve heat exchange tube (namely the first heat exchanger 1) is adopted, the outer tube shell 14 made of solar energy can be utilized by the sleeve heat exchange tube (namely the first heat exchanger 1), and in winter, the liquid between the outer tube shell and the inner tube shell 13 is heated by absorbing solar heat, so that heat exchange is realized with a refrigerant in the inner tube shell, frosting of the heat exchange tube due to too low outside temperature is avoided, and normal use of the heat exchange tube and the system is not influenced.
In the invention, the first heat exchange tube 1 adopts a double-tube heat exchanger, the refrigerant is arranged in the shell, and other preset heat exchange liquids are arranged outside the shell, such as tap water, high-temperature refrigerant liquid at the outlet of a compressor, hot water in a water heater and the like, so that the liquid in the outer tube shell 14 is heated by utilizing the heat absorption solar material of the outer tube shell 14.
In particular, the first heat exchange tube 1 comprises a hollow inner tube shell 13;
the outer part of the inner tube shell 13 has an outer tube shell 14;
the inner pipe shell 13 is made of a thin material (generally thin copper) with good heat exchange performance, so that liquid in the inner pipe and the outer pipe can exchange heat well;
the outer tube shell 14 is made of the shell material of the existing solar heat exchange tube, so that heat can be provided for the heat exchange tube by solar energy.
In concrete implementation, the second heat exchange tube 4 is a fin type heat exchanger, the hollow design of the box body 3 can be utilized, self-heating convection is utilized for air flowing heat exchange, a fan can be placed behind the box body, and the fan is utilized for conducting forced ventilation heat exchange on the second heat exchange tube 4.
It should be noted that, in the present invention, in the specific implementation, the water inlet pipe 5 and the water outlet pipe 6 are both provided with two branches, which facilitates the alternation between the two heat exchangers due to different use seasons, and the upper stop valve adopts a linkage valve for controlling the temperature in the room. In summer, when a fin type heat exchange (namely the second heat exchanger 4) pipe is used, the second stop valve 8 on the branch of the water inlet pipe 5 and the fourth stop valve 10 on the branch of the water outlet pipe 6 are opened together, and the lower heat exchange pipe enters the heat pump system for heat exchange; the first stop valve 7 and the third stop valve 9 are closed, the fifth stop valve 11 and the sixth stop valve 12 of the water inlet and outlet pipe connected with the shell (namely the outer pipe shell 14) on the first heat exchange pipe 1 (namely the double-pipe heat exchanger) are closed, and no liquid is used in the double-pipe heat exchange pipe 1 on the upper part of the box body 3 and does not enter the heat pump system.
In winter, the sleeve heat exchange tube 1 is used, the second stop valve 8 and the fourth stop valve 10 are closed, and the second heat exchange tube at the lower part of the box body 3 does not enter a system for use; the first stop valve 7, the third stop valve 9, the fifth stop valve 11 and the sixth stop valve 12 are opened, the first stop valve 7 is connected with low-temperature low-pressure refrigerant liquid from a throttle valve in the whole heat pump system and enters an inner tube shell 13 in the first heat exchange tube 1, the third stop valve 9 is connected with a compressor, and low-temperature low-pressure refrigerant gas after heat exchange is sent into the compressor from the inner tube shell of the first heat exchanger 1; the fifth stop valve 11 on the shell body of the double-pipe heat exchanger 1 is communicated with the external liquid, the external liquid (tap water, high-temperature liquid, hot water in the heat exchanger and the like) is introduced into the shell body of the double-pipe heat exchange pipe 1, the external liquid after heat exchange flows out of the sixth stop valve 12, the countercurrent heat exchange of the liquid in the inner pipe and the liquid in the outer pipe is realized, and the heat exchange efficiency is improved.
In the invention, in the concrete implementation, the lower cavity 32 of the box body 3 adopts a hollow design, so that natural convection ventilation or forced ventilation is facilitated;
in the invention, the first heat exchange tube and the second heat exchanger are made of materials with better heat exchange efficiency, so that heat dissipation is facilitated.
In summary, compared with the prior art, the heat exchanger used in seasons can be used separately for different heat exchangers, so that the purpose of defrosting of an applied heat pump system without stopping the machine is achieved, meanwhile, the solar heat exchange tube (which can be a heat exchange tube shell made of heat-absorbing materials) is utilized, solar energy is utilized for auxiliary heat transfer, renewable energy is used in the heat exchanger, the energy utilization efficiency of the heat pump system is improved, the energy consumption of the heat pump system is reduced, and the heat exchanger has great production practice significance.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. A heat exchanger used in seasons is characterized by comprising a hollow box body (3);
the box body (3) is internally provided with transversely distributed partition plates (30);
the partition plate (30) divides the interior of the box body (3) into an upper cavity (31) and a lower cavity (32);
a first heat exchange pipe (1) which is distributed in a bending way is arranged in the upper cavity (31);
a second heat exchange tube (4) which is distributed in a bending way is arranged in the lower cavity (32);
a plurality of fins (2) distributed in parallel are fixedly arranged on the outer surface of the second heat exchange tube (4);
the first heat exchange tube (1) is a sleeve heat exchange tube, and the second heat exchange tube (4) is a fin type heat exchange tube.
2. The heat exchanger of the seasonal operation type according to claim 1, wherein a water inlet pipe (5) and a water outlet pipe (6) are provided at the right side outside the case (3);
the water inlet pipe (5) is connected with the water inlet of the first heat exchange pipe (1) through a first water inlet pipe branch (51);
the water inlet pipe (5) is connected with the water inlet of the second heat exchange pipe (4) through a second water inlet pipe branch (52);
a first stop valve (7) and a second stop valve (8) are respectively arranged on the first water inlet pipe branch (51) and the second water inlet pipe branch (52).
3. The heat exchanger of the seasonal type according to claim 2, wherein a water outlet of the first heat exchange pipe (1) is connected to the water outlet pipe (6) through a first water outlet pipe branch (61);
the water outlet of the second heat exchange tube (4) is connected with the water outlet tube (6) through a second water outlet tube branch (62);
and a third stop valve (9) and a fourth stop valve (10) are respectively arranged on the first water outlet pipe branch (61) and the second water outlet pipe branch (62).
4. The heat exchanger of the seasonal type according to claim 1, wherein a first inlet pipe branch (51) and a first outlet pipe branch (61), to which the shell of the first heat exchange pipe (1) is connected, are connected to one end of a water pipe to which the sixth cutoff valve (12) is installed and one end of a water pipe to which the fifth cutoff valve (11) is installed, respectively.
5. The heat exchanger for use in divided seasons according to claim 1, wherein the first heat exchange tube (1) has a refrigerant inside the shell and another heat exchange liquid of a predetermined kind outside the shell.
6. The heat exchanger for use in divided seasons according to any one of claims 1 to 5, wherein the first heat exchange tube (1) comprises a hollow inner tube shell (13);
the outer part of the inner pipe shell (13) is provided with an outer pipe shell (14);
the inner pipe shell (13) is made of a thin material with good heat exchange performance;
the outer pipe shell (14) is made of the shell material of the existing solar heat exchange pipe.
7. The heat exchanger for use in seasons according to any of claims 1 to 6, wherein the lower cavity (32) of the box (3) is of a hollow design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911108901.1A CN110762906A (en) | 2019-11-13 | 2019-11-13 | Seasonal heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911108901.1A CN110762906A (en) | 2019-11-13 | 2019-11-13 | Seasonal heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110762906A true CN110762906A (en) | 2020-02-07 |
Family
ID=69337998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911108901.1A Pending CN110762906A (en) | 2019-11-13 | 2019-11-13 | Seasonal heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110762906A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440541A (en) * | 2016-11-28 | 2017-02-22 | 福建工程学院 | Double-source integrated efficient heat collection evaporator |
-
2019
- 2019-11-13 CN CN201911108901.1A patent/CN110762906A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440541A (en) * | 2016-11-28 | 2017-02-22 | 福建工程学院 | Double-source integrated efficient heat collection evaporator |
| CN106440541B (en) * | 2016-11-28 | 2022-03-15 | 福建工程学院 | Double-source integrated efficient heat collection evaporator |
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