CN108826539A - Tubular type dew point indirect evaporative cooling air conditioner - Google Patents
Tubular type dew point indirect evaporative cooling air conditioner Download PDFInfo
- Publication number
- CN108826539A CN108826539A CN201810437329.2A CN201810437329A CN108826539A CN 108826539 A CN108826539 A CN 108826539A CN 201810437329 A CN201810437329 A CN 201810437329A CN 108826539 A CN108826539 A CN 108826539A
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- CN
- China
- Prior art keywords
- water
- air conditioner
- cooling air
- dew point
- heat exchange
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- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention provides a kind of tubular type dew point indirect evaporative cooling air conditioners,Exhaust outlet is provided with including top,Middle part both sides have the shell of air inlet and air outlet,Exhaust blower,Pressure fan,Set of heat exchange tubes and water distribution system,Set of heat exchange tubes and water distribution system are arranged in shell,Set of heat exchange tubes includes the vertical heat exchanging pipe that transversal rib is had outside more root canals,The inner surface of each vertical heat exchanging pipe is equipped with porous water-absorbent layer,Water distribution system includes spray equipment and cyclic water tank,Cyclic water tank is connect by pipeline with spray equipment,Pipeline is equipped with water circulating pump,Spray equipment includes water distributor and spray tube,Set of heat exchange tubes upper and lower ends pass through a porous plate and are immobilized in the shell,Auxiliary air inlet plenum is formed between the porous plate and cyclic water tank of lower part,Transversal rib is different according to size of the heat exchange degree difference of cooling air conditioner at corresponding vertical heat exchanging pipe.Structure of the invention is compact, reduces device fabrication consumption of materials, and greatly improve heat exchange efficiency and refrigeration efficiency ratio.
Description
Technical field
The invention belongs to air-conditioning equipment field, the tubular type for approaching air inlet dew-point temperature more particularly, to a kind of supply air temperature is revealed
Point indirect evaporating-cooling air conditioner.
Background technique
The basic principle of evaporation cooling technique is that the heat-moisture transfer that occurs when being contacted with unsaturated air with water is cold to obtain
Amount.The cooling technology is using water as refrigerant, the discharge of no CFCs and HCFCs, and operation energy consumption is lower than conventional straight swollen mechanical compression
Refrigeration modes are a kind of economic, environmental protection and sustainable development Refrigeration Techniques, there is wide application in air-conditioning, ventilation field
Prospect.
Evaporation, which cools down, is broadly divided into two kinds of citation forms of direct evaporating-cooling and indirect evaporating-cooling, and indirect evaporating-cooling
Heat exchanger is currently used board-like and two kinds of forms of tubular type.But the runner of plate type indirect evaporation cooler is narrow, in runner
The phenomenon that being inside easy to appear fouling and blocking, so that runner internal resistance increases, so that the heat exchange efficiency of heat exchanger reduces；And
And there are the unbalanced problems of dry and wet channel side thermal resistance.Currently used tube type indirect evaporative cooler be the outer auxiliary air of pipe with
Outside tube water film carries out caloic exchange, and primary air is cooled in pipe, i.e., by, as dry side is used as in wet side, pipe, this is more outside pipe
Acute two sides thermal resistance disequilibriums cause refrigerating efficiency low.In the case where obtaining identical cooling capacity, equipment volume and material consumption
Amount is all bigger.In addition, traditional indirect evaporation cooler air cooling-down limited extent, theoretical minimum supply air temperature is the wet of air inlet
Ball temperature.Therefore, above-mentioned weakness existing for traditional indirect evaporation cooler, the further genralrlization for hindering the cooling technology make
With.
Summary of the invention
In view of this, the present invention is directed to propose a kind of tubular type dew point indirect evaporative cooling air conditioner, evaporates cold in conjunction with dew point
But circulation theory, heat exchanger tube use vertical, will be used as wet side, pipe outer as dry side in pipe, primary air flows through outside pipe, manages
Auxiliary air is inside walked, so that tubular type dew point indirect evaporative cooling air conditioner is compact-sized, reduces device fabrication consumption of materials, no
It is only capable of providing the air-supply for approaching air inlet dew-point temperature, and greatly improves heat exchange efficiency and refrigeration efficiency ratio.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of tubular type dew point indirect evaporative cooling air conditioner, including top is provided with exhaust outlet, middle part both sides have into
The shell of air port and air outlet, set of heat exchange tubes and water distribution system are set close to exhaust outlet and air inlet respectively in the shell
There are exhaust blower and pressure fan, the set of heat exchange tubes and water distribution system are arranged at enclosure interior, and the set of heat exchange tubes includes
The vertical heat exchanging pipe of transversal rib is had outside more root canals, the inner surface of each vertical heat exchanging pipe is equipped with porous from top to bottom
Water absorption layer, the water distribution system include the spray equipment being arranged at the top of set of heat exchange tubes and following for set of heat exchange tubes bottom are arranged in
Ring water tank, the cyclic water tank are connect by pipeline with spray equipment, and the pipeline is equipped with water circulating pump, the spray
Shower device includes more horizontally disposed water distributors, and uniformly distributed more vertical jetting shower pipes on the every water distributor, every described vertical
The water outlet of formula spray tube extends vertically into corresponding vertical heat exchanging pipe upper end, and the set of heat exchange tubes upper and lower ends are led to respectively
Cross porous plate to be immobilized in the shell, and the sets of holes of two porous plates and vertical heat exchanging pipe correspond, the porous plate of lower part with follow
Auxiliary air inlet plenum is formed between ring water tank.
Further, the cooling air conditioner further includes a water fender, and the water fender is arranged in shell close to row
At blower.
Further, the porous water-absorbent layer is covered on the inner wall of vertical heat exchanging pipe.
Further, one is equipped with inside the every vertical heat exchanging pipe for porous water-absorbent layer to be pressed on vertical change
The spring of heat pipe inner wall.
Further, prefabricated integrated inner surface can also be used with porous water-absorbent layer in the every vertical heat exchanging pipe
Heat exchanger tube.
Further, the porous water-absorbent layer is porous material layer.
Further, the vertical heat exchanging pipe is round tube or elliptical tube.
Further, the arrangement mode of the more vertical heat exchanging pipes is in-line arrangement or fork row.
Further, the transversal rib is circular piece or plate fin.
Further, the vertical heat exchanging pipe is metallic heat exchanging tube or nonmetallic heat exchange pipe.
Tubular type dew point indirect evaporative cooling air conditioner of the present invention, fresh air enters through air inlet, after pressure fan
Flow through vertical heat exchanging tube outer surface in pipe auxiliary air and water exchange heat, a part of cooled air is as air-supply warp
Air outlet outflow on the right side of air conditioner, wind pushing air temperature approaches enter the wind dew-point temperature at this time, and another part is as auxiliary air
Into vertical heat exchanging pipe, flow out from bottom to top and from water fender, then drain into outdoor through exhaust outlet by exhaust blower.Water distribution system includes
The water pump and water tank of water distributor, spray tube and bottom at the top of heat exchanger tube, water pump are connected by pipeline with water distributor in water tank
It connects, porous water-absorbing material, the reverse flow in pipe of auxiliary air and recirculated water is pasted in heat exchanger tube.
Compared with the existing technology, tubular type dew point indirect evaporative cooling air conditioner of the present invention has the advantage that：
1. the heat exchanger tube of indirect evaporation cooler is used into vertical structure, it is compact-sized, save space occupied.
2. the installation fin of the heat exchange pipe external surface as dry side has been carried out enhanced heat exchange, to improve heat exchange efficiency.
3. by wet side is used as in heat exchanger tube, and inside pipe wall is pasted porous material, contact of the auxiliary air with water is increased
Area improves evaporation rate, strengthens heat exchange efficiency.
4. not only can tightly support porous material using spring and be attached to inside pipe wall, but also auxiliary air Turbulence Flow in pipe is increased
By force, spring surface uses super hydrophilic material processing, enhances the heat and mass effect in pipe.
6. recirculated water is directly sprayed in heat exchanger tube on porous material, fall, saves along heat exchanger tube under the effect of gravity
Electricity consumption water consumption.
7. can use and be sent into air conditioner as fresh air after indoor return air is mixed with outdoor air, heat exchange effect can be improved
Rate.
8. the setting of porous water-absorbent layer, good water-retaining property can use interval water distribution manner, shorten the runing time of water pump,
There are preferable power savings.
9. water fender is arranged, the water droplet carried to auxiliary air is separated, and has both reduced the shadow to extraneous ambient humidity
It rings, in turn avoids water waste.
10. the setting of the outer transversal rib of vertical heat exchanging pipe, solves the problems, such as that pipe internal-external heat exchanger is unbalanced, and according to changing
Heat pipe heat heat transfer effect, which does not exist together, is correspondingly arranged the different transversal rib of size, can be more conducive to exchanging heat, and heat exchange efficiency is high.
11. a part air-supply enters heat exchanger tube as auxiliary air, supply air temperature can be made lower than air inlet wet-bulb temperature
And air inlet dew-point temperature is approached, power savings advantages are obvious, good refrigeration effect.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of tubular type dew point indirect evaporative cooling air conditioner described in the embodiment of the present invention；
Fig. 2 is the spray equipment structural representation of tubular type dew point indirect evaporative cooling air conditioner described in the embodiment of the present invention
Figure；
Fig. 3 be single vertical heat exchanging pipe described in the embodiment of the present invention in tubular type dew point indirect evaporative cooling air conditioner and
Single vertical jetting shower pipe structural schematic diagram；
Fig. 4 is the sky of the single vertical heat exchanging pipe of tubular type dew point indirect evaporative cooling air conditioner described in the embodiment of the present invention
Flow of air schematic diagram；
Fig. 5 is the vertical heat exchanging with fin of tubular type dew point indirect evaporative cooling air conditioner described in the embodiment of the present invention
The structural schematic diagram of pipe；
Fig. 6 is the knot inside the vertical heat exchanging pipe of tubular type dew point indirect evaporative cooling air conditioner described in the embodiment of the present invention
Structure schematic diagram；
Fig. 7 is the structural representation of the porous plate of tubular type dew point indirect evaporative cooling air conditioner described in the embodiment of the present invention
Figure.
Description of symbols：
1- air inlet, 2- pressure fan, 3- set of heat exchange tubes, 301- vertical heat exchanging pipe, 4- air outlet, 5- water tank, 6- water pump, 7-
Water distributor, 8- water blocking pipe, 9- exhaust blower, 10- exhaust outlet, 12- vertical jetting shower pipe, 13- porous water-absorbent layer, 14- transversal rib,
15- spring, 16- auxiliary air inlet plenum, 17- porous plate, 18- sets of holes.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Fig. 1-Fig. 7, tubular type dew point indirect evaporative cooling air conditioner, including top are provided with exhaust outlet 10, middle part two
While the shell of air inlet 1 and air outlet 4, set of heat exchange tubes 3 and water distribution system are had, close to exhaust outlet 10 in the shell
With exhaust blower 9 and pressure fan 2 are respectively equipped at air inlet 1, the set of heat exchange tubes 3 and water distribution system are arranged in shell
Portion, the set of heat exchange tubes 3 include that the vertical heat exchanging pipe 301 of transversal rib 14 is had outside more root canals, each described vertical to change
The inner surface of heat pipe 301 posts a porous water-absorbent layer 13 from top to bottom, and the water distribution system includes that setting is pushed up in set of heat exchange tubes 3
The spray equipment in portion and the cyclic water tank 5 that 3 bottom of set of heat exchange tubes is arranged in, the cyclic water tank 5 are filled by pipeline and spray
Set connection, the pipeline is equipped with water circulating pump 6, and the spray equipment includes more horizontally disposed water distributors 7, and every
Uniformly distributed more vertical spray tubes 12 on the water distributor 7, the water outlet of the every spray tube 12 extend vertically into corresponding vertical
In 301 upper end of formula heat exchanger tube, every spray tube 12 is provided with several spray apertures, the heat exchange on the tube wall of water outlet
3 upper and lower ends of pipe group pass through a porous plate 17 and are immobilized in the shell, and the sets of holes 18 of two porous plates 17 and vertical heat exchanging pipe
301 correspond, and auxiliary air inlet plenum 16 is formed between the porous plate 17 and cyclic water tank 5 of lower part.Air inlet 1 is located at shell
Left side, air outlet 4 are located on the right side of shell.
Transversal rib 14 according to size of the heat exchange degree difference of cooling air conditioner at corresponding vertical heat exchanging pipe 301 not
Together, it is less than in 14 size of heat transfer intensity general goal transversal rib in small 14 size of place's transversal rib of heat transfer intensity, the transversal rib
14 be circular piece or plate fin.
Cooling air conditioner further includes a water fender 8, and the water fender 8 is arranged in shell at exhaust blower 9, water blocking
Plate 8, which primarily serves, can isolate the moisture that auxiliary air is taken out of, prevent outside air moist.
Porous water-absorbent layer 13 is porous material layer, as the fixed form of porous fibre or metal felt, porous water-absorbent layer 13 has
Many kinds, such as porous water-absorbent layer 13 can be pasted on the inner wall of vertical heat exchanging pipe 301, it can also be in every vertical heat exchanging
One is equipped with inside pipe 301 for porous water-absorbent layer 13 to be pressed on to the spring 15 of 301 inner wall of vertical heat exchanging pipe, 15 surface of spring
Using super hydrophilic material processing, spring 15 not only plays the role of compressing porous water-absorbent layer 13, also acts the effect of flow-disturbing,
Increase heat exchange area, promotes the hot and humid area of air and water.
In addition, the heat exchanger tube that prefabricated integrated inner surface has porous water-absorbent layer 13 can also be used in vertical heat exchanging pipe 301.
Vertical heat exchanging pipe 301 is round tube or elliptical tube, and the arrangement mode of more vertical heat exchanging pipes is in-line arrangement or fork row.It changes
The advantages of arrangement of heat pipe in-line arrangement has resistance small, easy cleaning；The disturbance of fluid is reinforced in heat exchanger tube fork row's arrangement, heat transfer coefficient compared with
Greatly.
Vertical heat exchanging pipe 301 is heat exchanger tube made of metal material or nonmetallic materials, can be copper pipe and is also possible to PVC
Pipe.
The course of work of tubular type dew point indirect evaporative cooling air conditioner of the invention：
The course of work of summer air-treatment：Fresh air enters through air inlet 1, and 3 appearance of heat exchanger tube is flowed through after pressure fan 2
Face in pipe auxiliary air and water exchange heat, a part of cooled air as air-supply through the air outlet on the right side of air conditioner
4 outflows, wind pushing air temperature approaches enter the wind dew-point temperature at this time, since air outlet 4 and auxiliary air inlet plenum 16 are connection,
So another part cooled air can enter auxiliary air inlet plenum 16 as auxiliary air, then from set of heat exchange tubes
3 bottom enters set of heat exchange tubes 3, flows out from bottom to top and from water fender 8, then drain into outdoor through exhaust outlet 10 by exhaust blower 9.
In transition season, when outdoor weather condition is met the requirements, all-fresh air operation.Fresh air enters air-conditioning through air inlet 1
Device, it is sent to the room by air outlet 4 by pressure fan 2 through 3 outer surface of heat exchanger tube.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of tubular type dew point indirect evaporative cooling air conditioner, it is characterised in that：Exhaust outlet (10), middle part two are provided with including top
While the shell of air inlet (1) and air outlet (4), set of heat exchange tubes (3) and water distribution system are had, close to row in the shell
Exhaust blower (9) and pressure fan (2), the set of heat exchange tubes (3) and water distribution system are respectively equipped at air port (10) and air inlet (1)
It is arranged at enclosure interior, the set of heat exchange tubes (3) includes the vertical heat exchanging pipe that transversal rib (14) is had outside more root canals
(301), the inner surface of each vertical heat exchanging pipe (301) is equipped with a porous water-absorbent layer (13), the cloth from top to bottom
Water system includes the cyclic water tank of the spray equipment being arranged at the top of set of heat exchange tubes (3) and setting in set of heat exchange tubes (3) bottom
(5), the cyclic water tank (5) is connect by pipeline with spray equipment, and the pipeline is equipped with water circulating pump (6), described
Spray equipment include more horizontally disposed water distributors (7), uniformly distributed more vertical spray tubes on the every water distributor (7)
(12), the water outlet of the every spray tube (12) extends vertically into corresponding vertical heat exchanging pipe (301) upper end, and described changes
Heat pipe heat (3) upper and lower ends pass through a porous plate (17) and are immobilized in the shell, and the sets of holes (18) of two porous plates (17) with
Vertical heat exchanging pipe (301) corresponds, and auxiliary air inlet plenum is formed between the porous plate (17) and cyclic water tank (5) of lower part
(16)。
2. tubular type dew point indirect evaporative cooling air conditioner according to claim 1, it is characterised in that：The cooling air conditioner
It further include a water fender (8), the water fender (8) is arranged in shell at exhaust blower (9).
3. tubular type dew point indirect evaporative cooling air conditioner according to claim 2, it is characterised in that：The porous water-absorbing
Layer (13) is covered on the inner wall of vertical heat exchanging pipe (301).
4. tubular type dew point indirect evaporative cooling air conditioner according to claim 2, it is characterised in that：It is described vertical at every
One is equipped with inside heat exchanger tube (301) for porous water-absorbent layer (13) to be pressed on to the spring of vertical heat exchanging pipe (301) inner wall
(15)。
5. tubular type dew point indirect evaporative cooling air conditioner according to claim 2, it is characterised in that：Every described vertical to change
The heat exchanger tube that the prefabricated integration of inner surface has porous water-absorbent layer (13) can also be used in heat pipe (301).
6. tubular type dew point indirect evaporative cooling air conditioner described in any one of -5 according to claim 1, it is characterised in that：Institute
Stating porous water-absorbent layer (13) is porous material layer.
7. tubular type dew point indirect evaporative cooling air conditioner according to claim 6, it is characterised in that：The vertical heat exchanging pipe
It (301) is round tube or elliptical tube.
8. tubular type dew point indirect evaporative cooling air conditioner according to claim 7, it is characterised in that：More described vertical to change
The arrangement mode of heat pipe (301) is in-line arrangement or fork row.
9. tubular type dew point indirect evaporative cooling air conditioner according to claim 8, it is characterised in that：The transversal rib
It (14) is circular piece or plate fin.
10. tubular type dew point indirect evaporative cooling air conditioner according to claim 9, it is characterised in that：The vertical heat exchanging
Pipe (301) is metallic heat exchanging tube or is nonmetallic heat exchange pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810437329.2A CN108826539B (en) | 2018-05-09 | 2018-05-09 | Tubular dew point indirect evaporative cooling air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810437329.2A CN108826539B (en) | 2018-05-09 | 2018-05-09 | Tubular dew point indirect evaporative cooling air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108826539A true CN108826539A (en) | 2018-11-16 |
| CN108826539B CN108826539B (en) | 2020-05-22 |
Family
ID=64148642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810437329.2A Active CN108826539B (en) | 2018-05-09 | 2018-05-09 | Tubular dew point indirect evaporative cooling air conditioner |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530666A (en) * | 2020-11-16 | 2021-03-19 | 浙江德通变压器有限公司 | High heat dissipation dry-type transformer |
| KR20220165518A (en) * | 2021-06-08 | 2022-12-15 | 강주빈 | Heat exchange apparatus for odor removing system |
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| CN101329104A (en) * | 2008-07-14 | 2008-12-24 | 西安工程大学 | Square porous ceramic vertical tube type dew point indirect evaporative cooler |
| CN203518100U (en) * | 2013-09-29 | 2014-04-02 | 西安工程大学 | Vertical tube type indirect evaporative cooling air conditioner |
| CN203628889U (en) * | 2013-11-14 | 2014-06-04 | 西安工程大学 | Recirculating dew-point and stand pipe composite indirect evaporative cooling air conditioning unit |
| US20140183764A1 (en) * | 2012-01-04 | 2014-07-03 | Seeley International Pty. Ltd. | Efficiency indirect evaporative cooler |
| CN106091488A (en) * | 2016-08-01 | 2016-11-09 | 郑州大学 | Fin-tube type indirect evaporation air cooler |
-
2018
- 2018-05-09 CN CN201810437329.2A patent/CN108826539B/en active Active
Patent Citations (5)
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|---|---|---|---|---|
| CN101329104A (en) * | 2008-07-14 | 2008-12-24 | 西安工程大学 | Square porous ceramic vertical tube type dew point indirect evaporative cooler |
| US20140183764A1 (en) * | 2012-01-04 | 2014-07-03 | Seeley International Pty. Ltd. | Efficiency indirect evaporative cooler |
| CN203518100U (en) * | 2013-09-29 | 2014-04-02 | 西安工程大学 | Vertical tube type indirect evaporative cooling air conditioner |
| CN203628889U (en) * | 2013-11-14 | 2014-06-04 | 西安工程大学 | Recirculating dew-point and stand pipe composite indirect evaporative cooling air conditioning unit |
| CN106091488A (en) * | 2016-08-01 | 2016-11-09 | 郑州大学 | Fin-tube type indirect evaporation air cooler |
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| 曹璇: "冷却器结构及样机实验测试", 《小型板式逆交叉流露点间接蒸发冷却器性能的实验研究》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112530666A (en) * | 2020-11-16 | 2021-03-19 | 浙江德通变压器有限公司 | High heat dissipation dry-type transformer |
| CN112530666B (en) * | 2020-11-16 | 2021-10-19 | 浙江德通变压器有限公司 | High heat dissipation dry-type transformer |
| KR20220165518A (en) * | 2021-06-08 | 2022-12-15 | 강주빈 | Heat exchange apparatus for odor removing system |
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| Publication number | Publication date |
|---|---|
| CN108826539B (en) | 2020-05-22 |
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