CN112696759A - Heat recovery type fresh air exchange system - Google Patents
Heat recovery type fresh air exchange system Download PDFInfo
- Publication number
- CN112696759A CN112696759A CN202110073807.8A CN202110073807A CN112696759A CN 112696759 A CN112696759 A CN 112696759A CN 202110073807 A CN202110073807 A CN 202110073807A CN 112696759 A CN112696759 A CN 112696759A
- Authority
- CN
- China
- Prior art keywords
- fresh air
- casing
- air inlet
- heat recovery
- recovery type
- 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
- 238000011084 recovery Methods 0.000 title claims abstract description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000001179 sorption measurement Methods 0.000 claims abstract description 20
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 16
- 238000000746 purification Methods 0.000 claims abstract description 6
- 238000004332 deodorization Methods 0.000 claims description 19
- 230000001954 sterilising effect Effects 0.000 claims description 16
- 238000004659 sterilization and disinfection Methods 0.000 claims description 15
- 238000012423 maintenance Methods 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 5
- 230000000813 microbial effect Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 230000000249 desinfective effect Effects 0.000 claims 1
- 238000009423 ventilation Methods 0.000 abstract description 9
- 230000002070 germicidal effect Effects 0.000 description 4
- 230000001877 deodorizing effect Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 241000233866 Fungi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000026683 transduction Effects 0.000 description 1
- 238000010361 transduction Methods 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
- F24F12/001—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
- F24F12/006—Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air using an air-to-air heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
Abstract
The invention relates to the technical field of fresh air ventilation, in particular to a heat recovery type fresh air ventilation system which comprises a machine shell, wherein one end of the machine shell is provided with a fresh air inlet pipe and a dirty air outlet pipe arranged at one side of the fresh air inlet pipe, the other end of the machine shell is provided with a dirty air inlet pipe and a fresh air outlet pipe arranged at one side of the dirty air inlet pipe, a first support plate and a second support plate which is mutually symmetrical with the first support plate are tightly welded in the machine shell, a heat exchange core body is arranged between the first support plate and the second support plate, indoor dirty air and external fresh air are sucked into the machine shell, through first sterilamp on the first extension board, the first active carbon adsorption board of two the same specifications and the second active carbon adsorption board, second sterilamp and the little biological purification board on disinfect box and the second extension board filter and disinfect indoor foul wind and external new trend, and the heat exchange core in the casing can replace indoor foul wind and external new trend.
Description
Technical Field
The invention relates to the technical field of fresh air ventilation, in particular to a heat recovery type fresh air ventilation system.
Background
The fresh air ventilator is designed and developed according to the principle that fresh air flowing field is formed indoors when air is supplied from one side of a closed room and air is induced from the other side of the closed room. It relies on mechanical air supply and draught to force the formation of new wind flow field in the system. Is a novel environment-friendly electric appliance which can keep indoor air clean and fresh all the time. The existing heat recovery type fresh air ventilator cannot filter and sterilize sucked indoor dirty air and external fresh air when performing air replacement, and cannot ensure the freshness of natural air while removing indoor polluted air. In view of this, we propose a heat recovery type fresh air ventilation system.
Disclosure of Invention
The invention aims to provide a heat recovery type fresh air ventilation system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a heat recovery formula new trend air exchange system, includes the casing, the one end of casing is equipped with the new trend intake pipe and locates the dirty wind outlet duct of new trend intake pipe one side, the other end of casing is equipped with dirty wind intake pipe and is equipped with the new trend outlet duct of dirty wind intake pipe one side, the inside close welding of casing have first extension board and with the second extension board of first extension board mutual symmetry, first extension board and install the heat exchange core between the second extension board, the top of first extension board from left to right is fixed with first sterilamp, two first active carbon adsorption board and the disinfect box of the same specification in proper order, the top of second extension board from left to right is fixed with two second active carbon adsorption boards, second sterilamp and the little biological purification board of the same parallel in proper order, first sterilamp with first active carbon adsorption board and second active carbon adsorption board and the second ultraviolet ray is killed All be equipped with the deodorization case between the fungus lamp, and two the outer wall of deodorization case respectively with the surface welded fastening of first extension board and second extension board.
Preferably, an air inlet machine is arranged below the first supporting plate, the air inlet machine is fixedly installed inside the shell, one end of the air inlet machine is communicated with the fresh air inlet pipe, and the other end of the air inlet machine is communicated with the inside of the heat exchange core body.
Preferably, an exhaust fan is arranged below the second support plate, the exhaust fan is fixedly installed inside the casing, one end of the air inlet fan is communicated with the fresh air inlet pipe, and the other end of the air inlet fan is communicated with the inside of the heat exchange core body.
Preferably, a plurality of heat exchange chips are installed in the heat exchange core.
Preferably, a plurality of first through holes are formed in the two sides of the sterilization box, and a plurality of ozone sterilization particles are filled in the sterilization box.
Preferably, a plurality of second through holes are formed in the two sides of the deodorization box, and a plurality of deodorization particles are filled in the deodorization box.
Preferably, the dirty air inlet pipe, the dirty air outlet pipe, the fresh air inlet pipe and the fresh air outlet pipe are fixed on the casing through flanges, and the dirty air inlet pipe, the dirty air outlet pipe, the fresh air inlet pipe and the fresh air outlet pipe are communicated with the inside of the casing.
Preferably, the inner walls of the dirty air inlet pipe and the fresh air inlet pipe are tightly bonded with filter screens.
Preferably, a maintenance opening is formed in one side of the machine shell, a baffle plate with the size larger than that of the maintenance opening is arranged on one side of the machine shell, and the baffle plate is installed on the machine shell through four screws.
Preferably, the lower bottom surface of the casing is tightly welded with a mounting plate, and bolts are fixed at four corners of the mounting plate through threads
Compared with the prior art, the invention has the beneficial effects that: this heat recovery formula new trend air exchange system, inhale the casing with indoor dirty wind and external new trend in, through the first sterilamp on the first extension board, the first active carbon adsorption board of two the same specifications and the second active carbon adsorption board on sterilization case and the second extension board, second sterilamp and microbial purification board carry out filtration and sterilization to indoor dirty wind and external new trend, and the heat exchange core in the casing can replace indoor dirty wind and external new trend, it can not carry out filtration and sterilization to inhaled indoor dirty wind and external new trend when carrying out the air replacement to have solved present heat recovery formula new trend ventilator, when getting rid of indoor contaminated air, can not guarantee natural air's fresh problem.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural diagram of the housing of the present invention;
FIG. 3 is a cross-sectional view of the housing of the present invention;
FIG. 4 is a schematic structural view of the sterilization case of the present invention;
FIG. 5 is a schematic view showing the structure of the deodorization tank according to the present invention.
In the figure: 1. a housing; 11. a dirty air inlet pipe; 12. a dirty air outlet pipe; 121. an exhaust fan; 13. a fresh air inlet pipe; 14. a fresh air outlet pipe; 141. an air inlet machine; 15. a heat exchange core; 16. a maintenance port; 17. filtering with a screen; 2. a baffle plate; 21. a screw; 3. mounting a plate; 31. a bolt; 4. a first support plate; 41. a first ultraviolet germicidal lamp; 42. a first activated carbon adsorption plate; 43. a sterilization box; 431. a first through hole; 432. ozone sterilizing particles; 5. a second support plate; 51. a second activated carbon adsorption plate; 52. a second ultraviolet germicidal lamp; 53. a microbial decontamination plate; 6. a deodorization box; 61. a second through hole; 62. deodorizing granules.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a heat recovery formula new trend air exchange system, which comprises a housing 1, the one end of casing 1 is equipped with new trend intake pipe 13 and locates the dirty wind outlet pipe 12 of new trend intake pipe 13 one side, the other end of casing 1 is equipped with dirty wind intake pipe 11 and is equipped with dirty wind inlet pipe 14 of 11 one side of dirty wind intake pipe, the inside of casing 1 closely welds first branch board 4 and the second branch board 5 of 4 mutual symmetries of first branch board, install heat exchange core 15 between first branch board 4 and the second branch board 5, the top of first branch board 4 from left to right is fixed with first sterilamp 41 in proper order, the first active carbon adsorption board 42 and the disinfect box 43 of two the same specifications, the top of second branch board 5 from left to right is fixed with the second active carbon adsorption board 51 of two the same parallels in proper order, second sterilamp 52 and little biological purification board 53, first active carbon adsorption board 41 and second active carbon adsorption board 51 and second ultraviolet sterilization The deodorization boxes 6 are arranged between the lamps 52, and the outer walls of the two deodorization boxes 6 are respectively welded and fixed with the outer surfaces of the first support plate 4 and the second support plate 5.
In this embodiment, an air inlet fan 141 is disposed below the first supporting plate 4, the air inlet fan 141 is fixedly mounted inside the casing 1, one end of the air inlet fan 141 is communicated with the fresh air inlet pipe 14, and the other end is communicated with the inside of the heat exchange core 15, so as to facilitate the outside fresh air to be sucked into the heat exchange core 15 for replacement.
Furthermore, an exhaust fan 121 is arranged below the second support plate 5, the exhaust fan 121 is fixedly installed inside the casing 1, one end of the air inlet fan 141 is communicated with the fresh air inlet pipe 14, and the other end of the air inlet fan is communicated with the inside of the heat exchange core body 15, so that dirty air in a room can be conveniently sucked into the heat exchange core body 15 for replacement.
Still further, install a plurality of heat exchange chip in the heat exchange core 15, heat exchange chip has good transduction characteristic, and when two-way replacement ventilation, produce the energy exchange, can handle new trend and foul wind.
In this embodiment, a plurality of first through-hole 431 has all been seted up to the both sides of case 43 that disinfects, and the inside packing of case 43 that disinfects has a plurality of ozone sterilization granule 432, and indoor foul wind of being convenient for directly enters into in the case 43 that disinfects and reacts with ozone sterilization granule 432, disinfects indoor foul wind.
Further, a plurality of second through-hole 61 has all been seted up to deodorization case 6's both sides, and the inside packing of deodorization case 6 has a plurality of deodorization granule 62, is convenient for indoor foul wind and external new trend directly enter into in deodorization case 6 and react with deodorization granule 62, deodorizes indoor foul wind and external new trend.
Further, dirty wind intake pipe 11, dirty wind outlet duct 12, new trend intake pipe 13 and new trend outlet duct 14 all fix on casing 1 through the flange, be convenient for fix dirty wind intake pipe 11, dirty wind outlet duct 12, new trend intake pipe 13 and new trend outlet duct 14 on casing 1, and dirty wind intake pipe 11, dirty wind outlet duct 12, new trend intake pipe 13 and new trend outlet duct 14 all are linked together with casing 1 is inside, be convenient for indoor dirty wind and external new trend enter into casing 1 from dirty wind intake pipe 11 and new trend intake pipe 13 and replace, discharge from the mouth of pipe of dirty wind outlet duct 12 and new trend outlet duct 14 again.
In addition, the inside pipe walls of the dirty air inlet pipe 11 and the fresh air inlet pipe 14 are tightly bonded with the filter screen 17, so that indoor dirty air and outside fresh air can be conveniently filtered, and large particles and impurities can be prevented from entering the casing 1.
It is worth noting that a maintenance opening 16 is formed in one side of the casing 1, so that maintenance and replacement of the heat exchange core body 15 inside the casing are facilitated, a baffle 2 with a size larger than that of the maintenance opening 16 is arranged on one side of the casing 1, and the baffle 2 is mounted on the casing 1 through four screws 21, so that mounting and dismounting of the baffle 2 are facilitated.
It is worth to say that the mounting plate 3 is tightly welded on the lower bottom surface of the casing 1, and the bolts 31 are fixed at the four corners of the mounting plate 3 by threads, so that the casing 1 can be conveniently mounted and fixed on the casing 1.
When the heat recovery type fresh air ventilation system of the embodiment is used, the exhaust fan 121 and the air intake fan 141 are connected to an external power supply to operate, the output ends of the exhaust fan 121 and the air intake fan 141 suck indoor dirty air and external fresh air into the casing 1, the first ultraviolet germicidal lamp 41 on the first support plate 4, the first activated carbon adsorption plates 42 with two same specifications, the second activated carbon adsorption plate 51, the second ultraviolet germicidal lamp 52 and the microbial purification plate 53 on the sterilization box 43 and the second support plate 5 in the casing 1 filter and sterilize the indoor dirty air and the external fresh air, and the deodorizing particles 62 in the deodorizing box 6 can remove peculiar smell of the indoor dirty air and the external fresh air, meanwhile, the heat exchange core 15 in the casing 1 can replace the indoor dirty air and the external fresh air, so that the problem that the existing heat recovery type fresh air ventilation fan cannot filter and sterilize the sucked indoor dirty air and the external fresh air when performing air replacement is solved, the problem that the freshness of natural air cannot be ensured while the indoor polluted air is removed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a heat recovery formula new trend air exchange system, includes casing (1), its characterized in that: the one end of casing (1) is equipped with fresh air intake pipe (13) and locates dirty wind outlet duct (12) of fresh air intake pipe (13) one side, the other end of casing (1) is equipped with dirty wind intake pipe (11) and is equipped with fresh air outlet duct (14) of dirty wind intake pipe (11) one side, the inside close welding of casing (1) have first extension board (4) and with second extension board (5) of first extension board (4) mutual symmetry, first extension board (4) and install heat exchange core (15) between second extension board (5), the top of first extension board (4) from left to right is fixed with first sterilamp (41), first active carbon adsorption board (42) and the case (43) of disinfecting of two the same parallels from left to right in proper order, the top of second extension board (5) from left to right is fixed with second active carbon adsorption board (51) of two the same parallels in proper order, Second sterilamp (52) and microbial purification board (53), first sterilamp (41) with first active carbon adsorption board (42) and second active carbon adsorption board (51) and all be equipped with deodorization case (6) between second sterilamp (52), and two the outer wall of deodorization case (6) respectively with first extension board (4) and the surface welded fastening of second extension board (5).
2. The heat recovery type fresh air ventilating system according to claim 1, wherein: an air inlet machine (141) is arranged below the first support plate (4), the air inlet machine (141) is fixedly mounted inside the machine shell (1), one end of the air inlet machine (141) is communicated with the fresh air inlet pipe (14), and the other end of the air inlet machine is communicated with the inside of the heat exchange core body (15).
3. The heat recovery type fresh air ventilating system according to claim 2, wherein: an exhaust fan (121) is arranged below the second support plate (5), the exhaust fan (121) is fixedly installed inside the casing (1), one end of the air inlet fan (141) is communicated with the fresh air inlet pipe (14), and the other end of the air inlet fan is communicated with the inside of the heat exchange core body (15).
4. The heat recovery type fresh air ventilating system according to claim 1, wherein: a plurality of heat exchange chips are arranged in the heat exchange core body (15).
5. The heat recovery type fresh air ventilating system according to claim 1, wherein: a plurality of first through holes (431) are formed in the two sides of the sterilization box (43), and a plurality of ozone sterilization particles (432) are filled in the sterilization box (43).
6. The heat recovery type fresh air ventilating system according to claim 1, wherein: a plurality of second through-holes (61) have all been seted up to the both sides of deodorization case (6), the inside packing of deodorization case (6) has a plurality of deodorization granule (62).
7. The heat recovery type fresh air ventilating system according to claim 1, wherein: dirty wind intake pipe (11), dirty wind outlet duct (12), new trend intake pipe (13) and new trend outlet duct (14) all fix through the flange on casing (1), just dirty wind intake pipe (11) dirty wind outlet duct (12) new trend intake pipe (13) and new trend outlet duct (14) all with casing (1) is inside to be linked together.
8. The heat recovery type fresh air ventilating system according to claim 1, wherein: the inner walls of the dirty air inlet pipe (11) and the fresh air inlet pipe (14) are tightly bonded with a filter screen (17).
9. The heat recovery type fresh air ventilating system according to claim 1, wherein: maintenance mouth (16) have been seted up to one side of casing (1), one side of casing (1) is equipped with the size and is greater than baffle (2) of maintenance mouth (16), just baffle (2) are installed through four screws (21) on casing (1).
10. The heat recovery type fresh air ventilating system according to claim 1, wherein: the lower bottom surface of casing (1) has mounting panel (3) in close welding, the equal threaded fixation in four corners department of mounting panel (3) has bolt (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110073807.8A CN112696759A (en) | 2021-01-20 | 2021-01-20 | Heat recovery type fresh air exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110073807.8A CN112696759A (en) | 2021-01-20 | 2021-01-20 | Heat recovery type fresh air exchange system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112696759A true CN112696759A (en) | 2021-04-23 |
Family
ID=75515776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110073807.8A Pending CN112696759A (en) | 2021-01-20 | 2021-01-20 | Heat recovery type fresh air exchange system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112696759A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294753A (en) * | 2021-10-15 | 2022-04-08 | 安徽东福新材料科技有限公司 | Fresh air purification and ventilation system for PVB film production |
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| CN210107645U (en) * | 2019-06-14 | 2020-02-21 | 津安（天津）建筑节能设施运营管理有限公司 | Ventilation energy-saving equipment of green building |
| CN211650644U (en) * | 2020-03-05 | 2020-10-09 | 浙江曼瑞德环境技术股份有限公司 | Double-core cabinet type fresh air host structure |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101427848B1 (en) * | 2013-02-13 | 2014-08-08 | 주식회사 센텍에어코리아 | Convective Ventilation Device |
| CN205102462U (en) * | 2015-10-29 | 2016-03-23 | 昆明天策节能科技有限公司 | Multipurpose heat pump |
| CN205372766U (en) * | 2015-12-24 | 2016-07-06 | 深圳市德庸环境科技有限公司 | Purify PM2. 5 heat recovery fresh air ventilator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114294753A (en) * | 2021-10-15 | 2022-04-08 | 安徽东福新材料科技有限公司 | Fresh air purification and ventilation system for PVB film production |
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Application publication date: 20210423 |