CN110064258A - A kind of agricultural cultivation greenhouse fresh air-changing device - Google Patents
A kind of agricultural cultivation greenhouse fresh air-changing device Download PDFInfo
- Publication number
- CN110064258A CN110064258A CN201910459322.5A CN201910459322A CN110064258A CN 110064258 A CN110064258 A CN 110064258A CN 201910459322 A CN201910459322 A CN 201910459322A CN 110064258 A CN110064258 A CN 110064258A
- Authority
- CN
- China
- Prior art keywords
- filter screen
- fixedly installed
- air
- far
- fresh air
- 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
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Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/24—Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
-
- 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
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Greenhouses (AREA)
Abstract
The invention discloses a kind of agricultural cultivation greenhouse fresh air-changing devices, including shell, enclosure interior is equipped with clean room, protective layer is enclosed with outside clean room, clean room's interior side is fixedly installed with primary efficient filter screen by connection rivet, primary efficient filter screen side is fixedly installed with PM2.5 filter screen by connection rivet, PM2.5 filter screen is fixedly installed with carbon fiber adsorption layer by connection rivet far from primary efficient filter screen side, carbon fiber adsorption layer is fixedly installed with effect filter screen eventually by miniature screw far from PM2.5 filter screen side, effect filter screen is fixedly installed with outlet pipe by installing bolt far from carbon fiber adsorption layer side eventually, outlet pipe is fixedly connected with air pump by connecting bolt far from effect filter screen side eventually, structure novel, it is practical, it is easy to operate, the outside air of sucking can be purified , so that purified fresh air is injected into greenhouse, meet the api request of greenhouse gardening biology, guarantee the growth quality of kind of plant and biology.
Description
Technical field
The present invention relates to a kind of air interchanger, in particular to a kind of agricultural cultivation greenhouse fresh air-changing device belongs to agriculture
Industry technical field.
Background technique
With the generation of high molecular polymer-polyvinyl chloride, polyethylene, plastic film is widely used in agricultural, Japan and
American-European countries succeeds in the initial stage fifties using greenhouse film covering breeding ground, and subsequent covering hut and greenhouse again also obtain good
Good effect, and then agricultural greenhouse planting technology is derived, greenhouse original is the special equipment of vegetables production, as the development of production is big
The application of canopy is all the more extensive, and current greenhouse has been used for potted flower and cut-flower cultivation；Production of fruit trees for cultivating grape, strawberry, watermelon,
Muskmelon, peach and citrus etc.；Production of forestry is for forest seedling growth, culture of ornamental trees etc.；Aquaculture is for breeding silkworms, raising chickens, supporting
Ox, pig raising, fish and fry etc..
The agricultural greenhouse of the prior art needs to use when in use air interchanger and carries out ventilation processing, however existing fresh air
Air interchanger can only be accomplished for the air inside and outside greenhouse to be interchangeable, atmosphere pollution serious today can not be to the air of pollution
It is purified, polluted gas is caused to enter directly into greenhouse, to be easy to influence the growth quality of kind of plant and biology in greenhouse.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provides a kind of agricultural cultivation greenhouse fresh-air ventilation
Device.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of agricultural cultivation greenhouse fresh air-changing device of the invention, including shell, the enclosure interior are equipped with purification
Room, protective layer is enclosed with outside the clean room, and clean room's interior side is fixedly installed with by connection rivet and was just imitated
Strainer, the primary efficient filter screen side are fixedly installed with PM2.5 filter screen by connection rivet, and the PM2.5 filter screen is separate
Primary efficient filter screen side is fixedly installed with carbon fiber adsorption layer by connection rivet, and the carbon fiber adsorption layer is far from PM2.5 mistake
Strainer side is fixedly installed with effect filter screen eventually by miniature screw, and the effect filter screen eventually is logical far from carbon fiber adsorption layer side
It crosses installation bolt and is fixedly installed with outlet pipe, the outlet pipe connects far from effect filter screen side eventually by the way that connection bolt is fixed
It is connected to air pump, the air pump is fixedly connected with air outlet far from outlet pipe side, and the shell passes through far from air outlet side
Installation bolt is fixedly installed with inlet duct, and the inlet duct is fixedly connected with admission line close to primary efficient filter screen side,
Shell upper and lower two sides are fixedly connected by welding and have fixing piece, and fixing bolt is equipped with outside the fixing piece.
As a preferred technical solution of the present invention, the outlet pipe passes through connection spiral shell close to air pump side both ends
Bolt is fixedly connected with fixed bracket, and the fixed bracket is fixedly connected with clean room one by attachment screw far from outlet pipe one end
Side inner wall.
As a preferred technical solution of the present invention, the inlet duct includes shaft, negative pressure blade and rotating electric machine,
It is equipped with shaft in the middle part of the inlet duct, the shaft surface is fixedly connected by welding several equally distributed negative pressure blades,
Side is fixedly installed with rotating electric machine by installing bolt below the shaft, and the rotating electric machine and shaft are mutual by belt
It is connected.
As a preferred technical solution of the present invention, the fixing piece is the design of U-typed structure, and in the fixing piece
Portion is drilled with fixed thread corresponding with fixing bolt.
As a preferred technical solution of the present invention, the admission line and outlet pipe size are all the same, and
The negative pressure blade is no less than six.
The beneficial effects obtained by the present invention are as follows being: a kind of agricultural cultivation greenhouse fresh air-changing device of the invention, structure
Simply, rationally distributed, by being equipped with fixing piece and fixing bolt in shell two sides, fixing piece pair can be passed through by fixing bolt
It carries out tightening fixation, to reach the Fast Installation to shell, is easy to use, when needing to carry out fresh air injection, by setting
The rotating electric machine set can drive shaft to be rotated, and be rotated when shaft will drive negative pressure blade in rotary course, thus
Rotation negative pressure is formed, achievees the purpose that air-breathing, the gas of sucking passes sequentially through primary efficient filter screen, PM2.5 filter screen, absorbing carbon fiber
Attached layer and eventually effect filter screen can carry out primarily efficient filter to the air of sucking by the primary efficient filter screen of setting, pass through setting
PM2.5 filter screen can be filtered the PM2.5 pollutant in air, prevent it from polluting the kind plant and biology in greenhouse, lead to simultaneously
The carbon fiber adsorption layer for crossing setting can adsorb the carbon fiber in air, can be to sucking by the whole effect filter screen of setting
Air carries out last filtering, to reach the catharsis to air, purified air is conveyed by air pump, passes through
Purification air after air pump conveying is drained into greenhouse by air outlet, to complete to reach fresh air to the purification of pollution air
The clean-up effect of ventilation improves the plantation quality of kind of plant and biology in greenhouse, is convenient for market sale, increases economic well-being of workers and staff, the present invention
A kind of agricultural cultivation greenhouse fresh air-changing device, structure novel is practical, easy to operate, can be empty to the external world of sucking
Gas is purified, so that purified fresh air is injected into greenhouse, meets the api request of greenhouse gardening biology, is guaranteed
The growth quality of kind plant and biology, and manufacture and maintenance cost are cheap, are suitble to manufacture popularization and use.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies a side to be used to explain the present invention, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is schematic diagram of internal structure of the invention；
Fig. 2 is anchor structure schematic diagram of the invention；
Fig. 3 is inlet duct structural schematic diagram of the invention；
Fig. 4 is filtering meshes structural schematic diagram of the invention.
In figure: 1, shell；2, protective layer；3, clean room；4, primary efficient filter screen；5, PM2.5 filter screen；6, carbon fiber adsorption
Layer；7, filter screen is imitated eventually；8, outlet pipe；9, air pump；10, fixed bracket；11, air outlet；12, inlet duct；13, fixed
Part；14, fixing bolt；15, admission line；16, shaft；17, negative pressure blade；18, rotating electric machine.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments, is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As shown in Figs 1-4, a kind of agricultural cultivation greenhouse fresh air-changing device of the invention, including shell 1, in shell 1
Portion is equipped with clean room 3, is enclosed with protective layer 2 outside clean room 3,3 interior side of clean room is fixedly installed with by connection rivet
Primary efficient filter screen 4,4 side of primary efficient filter screen are fixedly installed with PM2.5 filter screen 5 by connection rivet, and PM2.5 filter screen 5 is remote
Carbon fiber adsorption layer 6 is fixedly installed with by connection rivet from 4 side of primary efficient filter screen, carbon fiber adsorption layer 6 is far from PM2.5 mistake
5 side of strainer is fixedly installed with effect filter screen 7 eventually by miniature screw, and it is logical far from 6 side of carbon fiber adsorption layer to imitate filter screen 7 eventually
It crosses installation bolt and is fixedly installed with outlet pipe 8, outlet pipe 8 connects far from effect 7 side of filter screen eventually by the way that connection bolt is fixed
It is connected to air pump 9, air pump 9 is fixedly connected with air outlet 11 far from 8 side of outlet pipe, and shell 1 passes through far from 11 side of air outlet
Installation bolt is fixedly installed with inlet duct 12, and inlet duct 12 is fixedly connected with admission line close to 4 side of primary efficient filter screen
15,1 upper and lower two sides of shell are fixedly connected by welding and have fixing piece 13, and fixing bolt 14 is equipped with outside fixing piece 13.
Outlet pipe 8 passes through connection bolt close to 9 side both ends of air pump and is fixedly connected with fixed bracket 10, fixed bracket
10 are fixedly connected with 3 side inner wall of clean room by attachment screw far from 8 one end of outlet pipe, to consolidate to outlet pipe 8
Fixed, inlet duct 12 includes shaft 16, negative pressure blade 17 and rotating electric machine 18, is equipped with shaft 16, shaft in the middle part of inlet duct 12
16 surfaces are fixedly connected by welding several equally distributed negative pressure blades 17, and 16 lower section side of shaft is fixed by installing bolt
Rotating electric machine 18 is installed, and rotating electric machine 18 and shaft 16 are interconnected by belt, are facilitated and are carried out air draught processing, fixing piece
13 design for U-typed structure, and fixed thread corresponding with fixing bolt 14 is drilled with inside fixing piece 13, to facilitate progress
It is fixedly mounted, admission line 15 and 8 size of outlet pipe are all the same, and negative pressure blade 17 is no less than six, are easy to use.
Specifically, can be passed through by fixing bolt 14 by being equipped with fixing piece 13 and fixing bolt 14 in 1 two sides of shell
Fixing piece 13 carries out it to tighten fixation, to reach the Fast Installation to shell 1, is easy to use, when needing to carry out fresh air note
It is fashionable, shaft 16 can be driven to be rotated by the rotating electric machine 18 of setting, when shaft 16 will drive negative pressure in rotary course
Blade 17 is rotated, to form rotation negative pressure, achievees the purpose that air-breathing, the gas of sucking pass sequentially through primary efficient filter screen 4,
PM2.5 filter screen 5, carbon fiber adsorption layer 6 and effect filter screen 7 eventually, by the primary efficient filter screen 4 of setting can to the air of sucking into
Row primarily efficient filter can be filtered the PM2.5 pollutant in air by the PM2.5 filter screen 5 of setting, prevent its pollution big
Kind plant and biology in canopy, while the carbon fiber adsorption layer 6 by being arranged can adsorb the carbon fiber in air, pass through setting
Whole effect filter screen 7 can carry out last filtering to the air of sucking, to reach the catharsis to air, purified sky
Gas is conveyed by air pump 9, and the purification air after the conveying of air pump 9 is drained into greenhouse by air outlet 11, thus complete
The purification of pollution air in pairs, reaches the clean-up effect of fresh-air ventilation, improves the plantation quality of kind of plant and biology in greenhouse, is convenient for city
Field sale, increases economic well-being of workers and staff.
In the description of the present invention, it is to be understood that, term " coaxial ", " bottom ", " one end ", " top ", " middle part ",
The orientation or positional relationship of the instructions such as " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.
In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result,
Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.
In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " fixation ",
Terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be with
It is mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary
The interaction relationship of connection or two elements inside a element, unless otherwise restricted clearly, for the common of this field
For technical staff, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of agricultural cultivation greenhouse fresh air-changing device, including shell (1), which is characterized in that set inside the shell (1)
Have clean room (3), be enclosed with protective layer (2) outside the clean room (3), clean room's (3) interior side passes through connection riveting
Nail is fixedly installed with primary efficient filter screen (4), and primary efficient filter screen (4) side is fixedly installed with PM2.5 mistake by connection rivet
Strainer (5), the PM2.5 filter screen (5) are fixedly installed with absorbing carbon fiber by connection rivet far from primary efficient filter screen (4) side
Attached layer (6), the carbon fiber adsorption layer (6) are fixedly installed with by miniature screw far from PM2.5 filter screen (5) side and were imitated eventually
Strainer (7), effect filter screen (7) eventually are fixedly installed with escape pipe by installing bolt far from carbon fiber adsorption layer (6) side
Road (8), the outlet pipe (8) is fixedly connected with air pump (9) far from effect filter screen (7) side eventually by connecting bolt, described
Air pump (9) is fixedly connected with air outlet (11) far from outlet pipe (8) side, and the shell (1) is far from air outlet (11) side
It is fixedly installed with inlet duct (12) by installing bolt, the inlet duct (12) is fixed close to primary efficient filter screen (4) side
It is connected with admission line (15), shell (1) the upper and lower two sides are fixedly connected by welding and have fixing piece (13), described solid
Determine to be equipped with fixing bolt (14) outside part (13).
2. a kind of agricultural cultivation greenhouse fresh air-changing device according to claim 1, which is characterized in that the escape pipe
Road (8) passes through connection bolt close to air pump (9) side both ends and is fixedly connected with fixed bracket (10), the fixed bracket (10)
Clean room (3) side inner wall is fixedly connected with by attachment screw far from outlet pipe (8) one end.
3. a kind of agricultural cultivation greenhouse fresh air-changing device according to claim 1, which is characterized in that the air inlet dress
Setting (12) includes shaft (16), negative pressure blade (17) and rotating electric machine (18), is equipped with shaft in the middle part of the inlet duct (12)
(16), shaft (16) surface is fixedly connected by welding several equally distributed negative pressure blades (17), the shaft (16)
Lower section side is fixedly installed with rotating electric machine (18) by installing bolt, and the rotating electric machine (18) and shaft (16) pass through skin
Band interconnects.
4. a kind of agricultural cultivation greenhouse fresh air-changing device according to claim 1, which is characterized in that the fixing piece
(13) it is designed for U-typed structure, and is drilled with fixed thread corresponding with fixing bolt (14) inside the fixing piece (13).
5. a kind of agricultural cultivation greenhouse fresh air-changing device according to claim 1, which is characterized in that the air inlet pipe
Road (15) and outlet pipe (8) size are all the same, and the negative pressure blade (17) is no less than six.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459322.5A CN110064258A (en) | 2019-05-29 | 2019-05-29 | A kind of agricultural cultivation greenhouse fresh air-changing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910459322.5A CN110064258A (en) | 2019-05-29 | 2019-05-29 | A kind of agricultural cultivation greenhouse fresh air-changing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110064258A true CN110064258A (en) | 2019-07-30 |
Family
ID=67372068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910459322.5A Pending CN110064258A (en) | 2019-05-29 | 2019-05-29 | A kind of agricultural cultivation greenhouse fresh air-changing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110064258A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3735251A1 (en) * | 1987-10-17 | 1989-04-27 | Hoelter Heinz | Method and device for producing naturally refined air |
| CN203893315U (en) * | 2014-06-16 | 2014-10-22 | 亚翔系统集成科技（苏州）股份有限公司 | Household air purifier |
| CN206381836U (en) * | 2016-11-08 | 2017-08-08 | 应天峰 | A kind of air purification processing equipment |
| CN107126773A (en) * | 2017-04-27 | 2017-09-05 | 舒尔环保科技（合肥）有限公司 | A kind of Combined air filter |
| CN107435999A (en) * | 2017-09-12 | 2017-12-05 | 陈刚 | A kind of Multifunctional air clarifying device |
| CN206875619U (en) * | 2017-03-27 | 2018-01-12 | 任锡志 | VMC air purifier and corresponding VMC |
| CN208540509U (en) * | 2018-08-03 | 2019-02-26 | 贵州昊馨商贸有限责任公司 | A kind of multi-functional intelligent greenhouse aeration device |
-
2019
- 2019-05-29 CN CN201910459322.5A patent/CN110064258A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3735251A1 (en) * | 1987-10-17 | 1989-04-27 | Hoelter Heinz | Method and device for producing naturally refined air |
| CN203893315U (en) * | 2014-06-16 | 2014-10-22 | 亚翔系统集成科技（苏州）股份有限公司 | Household air purifier |
| CN206381836U (en) * | 2016-11-08 | 2017-08-08 | 应天峰 | A kind of air purification processing equipment |
| CN206875619U (en) * | 2017-03-27 | 2018-01-12 | 任锡志 | VMC air purifier and corresponding VMC |
| CN107126773A (en) * | 2017-04-27 | 2017-09-05 | 舒尔环保科技（合肥）有限公司 | A kind of Combined air filter |
| CN107435999A (en) * | 2017-09-12 | 2017-12-05 | 陈刚 | A kind of Multifunctional air clarifying device |
| CN208540509U (en) * | 2018-08-03 | 2019-02-26 | 贵州昊馨商贸有限责任公司 | A kind of multi-functional intelligent greenhouse aeration device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20190730 |