CN114909755A - Ventilation unit is used in underground construction - Google Patents
Ventilation unit is used in underground construction Download PDFInfo
- Publication number
- CN114909755A CN114909755A CN202210264354.1A CN202210264354A CN114909755A CN 114909755 A CN114909755 A CN 114909755A CN 202210264354 A CN202210264354 A CN 202210264354A CN 114909755 A CN114909755 A CN 114909755A
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- China
- Prior art keywords
- dust
- rotating rod
- air
- tank
- guide tank
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Classifications
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- 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
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- 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
- F24F13/28—Arrangement or mounting of filters
-
- 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
- F24F7/003—Ventilation in combination with air cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/10—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
- F24F8/117—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering
- F24F8/133—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using wet filtering by direct contact with liquid, e.g. with sprayed liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/60—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by adding oxygen
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
- F24F8/90—Cleaning of purification apparatus
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- 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]
- Y02B30/54—Free-cooling systems
Abstract
The invention provides a ventilation device for underground building construction, which relates to the field of underground construction equipment and comprises a base, a dust removal box, a gas guide tank, a driving structure, a dust separation structure and a dust removal device. Wherein the base top sets up the dust removal case, sets up the air guide tank in the dust removal case, is provided with the air inlet fan of being connected with the motor in the air guide tank, and the air inlet fan has the third dwang through bevel gear group and drive wheel structural connection, and the third dwang is located the hollow filter screen in middle part, and dust-proof structure top sets up the dust device who has the atomizer simultaneously. The atomizer that sets up in through filter screen and air guide tank realizes keeping apart the dust in the air, and the third dwang that is located the filter screen through motor drive rotates, and the scraping of accumulating the dust on the filter screen is realized to the brush on the third dwang, can effectively get rid of the dust in the air, has solved the filter screen simultaneously and has used the dust accumulation for a long time thick and heavy, leads to the obstructed technical problem of air inlet.
Description
Technical Field
The invention relates to the field of underground construction equipment, in particular to a ventilation device for underground building construction.
Background
In recent modern times, construction and construction are carried out underground in order to save ground space or facilitate construction, air pollution can be caused by long-time construction due to the fact that underground space is small, and a ventilation device needs to be provided in order to guarantee air circulation of the underground space.
And current ventilation unit adopts the inlet fan directly to ventilate and handles usually, because the space is narrow and small when underground construction, and easily takes a large amount of dust during the construction, such ventilation unit often can make the dust scattered all around, causes environmental pollution, can not do further processing to the dust.
To address the above deficiencies, it is desirable to provide a ventilation device for use in underground construction.
Disclosure of Invention
The invention provides a ventilating device for underground building construction, and aims to solve the defects in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme: a ventilation device for underground construction, comprising:
the dust removal device comprises a base, a dust removal box and a dust collection box, wherein a gas guide tank is arranged in the dust removal box, and an air inlet and an air outlet which are communicated with the gas guide tank are respectively arranged at two ends of the dust removal box;
the driving structure comprises a motor, an output shaft of the motor is in transmission connection with a first rotating rod arranged in the air guide tank, and a fan is arranged on the first rotating rod;
the dust separation structure comprises a bevel gear set and a filter screen, one end of the bevel gear set is connected with the first rotating rod, the other end of the bevel gear set is rotatably connected with the air guide tank through a second rotating rod, the second rotating rod is in transmission connection with a third rotating rod arranged at one end of the air guide tank, the outer wall of the third rotating rod is provided with a brush, and the two outer sides of the third rotating rod are respectively provided with the filter screen fixedly connected with the inner wall of the air guide tank;
dust device, including atomizer, atomizer sets up in dust removal structure top, atomizer passes through aqueduct and external intercommunication, just dust removal bottom of the case portion is provided with the case of decontaminating with air guide tank intercommunication, air guide tank bottom and case of decontaminating can dismantle and be connected.
Preferably, a water tank is arranged on the dust removal box, the water tank is communicated with the water guide pipe through a pressurizing water pump, the water guide pipe between the water tank and the air guide tank is of a U-shaped structure, a first electromagnetic valve is arranged on the U-shaped water guide pipe, and the U-shaped arms are communicated through a refrigerating pipe.
Preferably, ventilation unit is used in underground construction still includes the oxygenerator, the oxygenerator includes:
the oxygen production tank is communicated with the water guide pipe through a connecting pipe, and a second electromagnetic valve is arranged on the connecting pipe;
the electrolyzer is arranged in the oxygen production tank and comprises a cathode electrolysis bar and an anode electrolysis bar, the anode electrolysis bar is communicated with the air outlet through a first air duct, a fourth electromagnetic valve is arranged on the first air duct, and the cathode electrolysis bar is communicated with the outside through a second air duct.
Preferably, a controller is arranged in the dust removal box, and the controller is electrically connected with the pressurizing water pump, the refrigerating pipe, the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the electrolyzer respectively.
Preferably, a first driving wheel is arranged on the motor and connected with a second driving wheel arranged on the first rotating rod through a first driving belt, two fixing rods are arranged on the first rotating rod and rotatably connected with the upper inner wall and the lower inner wall of the air guide tank through bearings.
Preferably, a third driving wheel is arranged on the second rotating rod, the third driving wheel is connected with a fourth driving wheel through a second driving belt, and the fourth driving wheel is arranged at the end part of the third rotating rod.
Preferably, the top of the water tank is provided with a water inlet.
Preferably, the side wall of the sewage disposal box is provided with a sewage outlet, and the bottom of the sewage disposal box is provided with a sewage disposal port.
Compared with the prior art, the invention has the following beneficial effects: the motor drives the air inlet fan to guide fresh air into the air guide tank through the air inlet, dust falling treatment of dust in the air is achieved through the filter screen and the atomizing nozzles arranged in the air guide tank, the third rotating rod positioned between the filter screens is driven to rotate through the motor, scraping of dust accumulated on the filter screen is achieved through the brushes on the third rotating rod, the dust in the air can be effectively removed, meanwhile, sewage and sludge after dust falling are removed through the dust removing box, and the technical problems that the filter screen is thick and heavy in dust accumulation after long-time use, air inlet is not smooth, and air pollution is easily caused are effectively solved.
Drawings
Fig. 1 is a schematic view of an overall structure of a ventilation apparatus for underground construction according to the present invention;
FIG. 2 is an enlarged view of a portion A of the ventilating device for underground construction according to the present invention;
FIG. 3 is an enlarged view of a ventilating device for underground construction at the position B according to the present invention;
fig. 4 is an enlarged view of a ventilation apparatus for underground construction at C according to the present invention.
Description of reference numerals: 1-base, 2-dust removal box, 3-air guide tank, 4-driving structure, 5-dust separation structure, 6-dust removal device, 7-oxygen generation device, 8-controller, 31-air inlet, 32-air outlet, 41-motor, 42-first driving wheel, 43-first driving belt, 44-second driving wheel, 45-first rotating rod, 46-bearing, 47-air inlet fan, 51-bevel gear set, 52-second rotating rod, 53-third driving wheel, 54-second driving belt, 55-fourth driving wheel, 56-filter screen, 57-third rotating rod, 61-water tank, 62-pressure water pump, 63-water guide pipe, 64-refrigeration pipe, 65-atomizer nozzle, 66-dust removal box, 71-an oxygen generating tank, 72-a connecting pipe, 73-an electrolyzer, 74-a first air duct, 75-a second air duct, 461-a fixing rod, 571-a brush, 611-a water inlet, 631-a first electromagnetic valve, 661-a sewage outlet, 662-a desilting port, 721-a second electromagnetic valve and 741-a third electromagnetic valve.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "bottom", "first", "second", "top", "inner", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
For purposes of understanding and explanation, a ventilation apparatus for underground construction according to an embodiment of the present invention will be described in detail below.
As shown in fig. 1 to 4, a ventilation device for underground building construction includes a base 1, a dust removing box 2, a gas guide tank 3, a driving structure 4, a dust separation structure 5, a dust falling device 6, an oxygen making device 7, and a controller 8. The solenoid valves mentioned therein are all one-way solenoid valves.
The top of the base 1 is provided with a dust removal box 2 through two support columns, a gas guide tank 3 is arranged in the dust removal box 2, the outer parts of two ends of the dust removal box 2 are respectively provided with an air inlet 31 and an air outlet 32 which are communicated with the gas guide tank 3, and the air inlet 31 and the air outlet 32 are clamped with the existing ventilation pipeline, so that the installation and the disassembly are convenient; the driving structure 4 comprises a motor 41 arranged on the dust removing box 2, an output shaft of the motor 41 is in transmission connection with a first rotating rod 45 arranged in the air guide tank 3, the end part of the first rotating rod 45 is provided with a fan 47, the dust separating structure 5 comprises a bevel gear set and a filter screen 56, one end of the bevel gear set is connected with the first rotating rod 45, the other end of the bevel gear set is in rotation connection with the air guide tank 3 through a second rotating rod 52, the second rotating rod 52 is in transmission connection with a third rotating rod 57 arranged at one end of the air guide tank 3, the outer wall of the third rotating rod 57 is provided with a brush 571, the two outer sides of the third rotating rod 57 are both provided with the filter screens 56 fixedly connected with the inner wall of the air guide tank 3, meanwhile, the dust falling device 6 comprises an atomizing nozzle 65, the atomizing nozzle 65 is arranged above the dust separating structure 5, the atomizing nozzle 65 is communicated with the outside through a water guide pipe 63, and the bottom of the dust removing box 2 is provided with a dirt removing box 66 communicated with the air guide tank 3, the bottom of the air guide tank 3 is detachably connected with the sewage cleaning tank 66. At the ventilation unit during operation, with air intake 31 and current inlet air channel joint, starter motor 41, motor 41 drives first dwang 45 and rotates, inlet air fan 47 starts, do the guide effect to the air, accelerate fresh air's leading-in, when the air passes through air guide tank 3, open dust device 6, atomizer 65 sprays the atomized water droplet in the air guide tank 3, make most dust descend to air guide tank 3 bottom under the effect of water smoke in the air, carry out the secondary filtering through filter screen 56 to the dust that descends simultaneously, rotate between filter screen 56 through the third dwang 57 with the linkage of inlet air fan 47 simultaneously, brush 571 on it erodes filter screen 56, the dust filtering with accumulation on filter screen 56, collect and discharge sewage and mud after the dust fall through dirt removing box 66.
In order to better perform water dust reduction on dust, a water tank 61 is arranged on the dust removing box 2, the water tank 61 is communicated with a water guide pipe 63 through a pressurizing water pump 62, the water guide pipe 63 between the water tank 61 and the air guide tank 3 is in a U-shaped structure, a first electromagnetic valve 631 is arranged on the U-shaped water guide pipe 63, and the U-shaped arms are communicated through a refrigerating pipe 64. When the temperature of the air is required to be reduced, the first electromagnetic valve 631 is closed, so that the water in the water tank 61 flows into the water guide pipe 63 through the refrigerating pipe 64, and the cooled water is guided into the air guide tank 3 through the atomizing nozzles 65, so that the temperature of the air therein is reduced, and the temperature reduction in underground space construction is facilitated.
In order to increase the oxygen content in the air, an oxygen generator 7 is further provided, and the oxygen generator 7 comprises an oxygen generating tank 71 and an electrolyzer 73. Wherein, oxygen generation jar 71 passes through connecting pipe 72 and aqueduct 63 intercommunication, is provided with second solenoid valve 721 on the connecting pipe 72, and electrolysis ware 73 sets up in oxygen generation jar 71, and it includes equal negative pole electrolysis stick and positive pole electrolysis stick, and positive pole electrolysis stick passes through first air duct 74 and air outlet 32 intercommunication, and is provided with third solenoid valve 741 on the first air duct 74, and negative pole electrolysis stick passes through second air duct 75 and communicates with the external world. During the ventilation process, the second solenoid valve 721 in the connection pipe 72 is opened to introduce the water in the water conduit 63 into the oxygen generating tank 71, and the electrolyzer 73 electrolyzes the water, so that the oxygen generated by the electrolysis enters the air outlet through the first air duct 74.
In order to better perform intelligent control on water flow and gas, a controller 8 is arranged in the dust removal box 2, and the controller 8 is electrically connected with the pressurized water pump 62, the refrigeration pipe 64, the first electromagnetic valve 631, the second electromagnetic valve 721, the third electromagnetic valve 771 and the electrolyzer 73 respectively.
In order to realize the stability of the first rotating rod 45 during operation, the motor 41 is provided with a first driving wheel 42, the first driving wheel 42 is connected with a second driving wheel 44 arranged on the first rotating rod 45 through a first driving belt 43, the first rotating rod 45 is provided with two fixing rods 461, and the two fixing rods 461 are rotatably connected with the upper and lower inner walls of the air guide tank 3 through bearings 46. A slip ring is arranged in the outer ring of the bearing 46, the slip ring is slidably connected with the T-shaped head of the fixing rod 461, and the two fixing rods 461 slide in the slip ring to fix the position of the first rotating rod 45.
In order to drive the third rotating rod 57, the second rotating rod 52 is provided with a third transmission wheel 53, the third transmission wheel 53 is connected with a fourth transmission wheel 55 through a second transmission belt 54, and the fourth transmission wheel 55 is arranged at the end part of the third rotating rod 57.
To facilitate the water supply to the water tank 61, the water tank 61 is provided at the top thereof with a water inlet 611.
In order to remove the dust, a dirt removing box 66 is provided at the bottom of the dust removing box 2, a sewage outlet 661 is provided at a side wall of the dirt removing box 66, and a dirt removing port 662 is provided at the bottom thereof.
The working principle is as follows: work through motor drive air inlet fan, with the leading-in air guide tank of external air in, simultaneously through controller control pressurization water pump and relevant solenoid valve work, make it enter into in the air guide tank through the aqueduct, carry out the dust fall effect to the air that has the dust through atomizer, simultaneously according to temperature needs control rivers through the refrigeration pipe, with its cooling again through atomizer leading-in to the air guide in, simultaneously through the third dwang with the air inlet fan linkage at the filter screen internal rotation, brush on it erodees the filter screen, the dust filtering of accumulation on the filter screen, carry out electrolysis water oxygen generation through oxygenerator simultaneously, guarantee the oxygen content underground.
The above-mentioned embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, and any simple modifications or equivalent substitutions of the technical solutions that can be obviously obtained by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (8)
1. The utility model provides a ventilation unit for underground construction, its characterized in that includes:
the device comprises a base (1), a dust removal box (2) is arranged on the base, a gas guide tank (3) is arranged in the dust removal box (2), and an air inlet (31) and an air outlet (32) which are communicated with the gas guide tank (3) are respectively arranged at two ends of the dust removal box (2);
the driving structure (4) comprises a motor (41), an output shaft of the motor (41) is in transmission connection with a first rotating rod (45) arranged in the air guide tank (3), and a fan (47) is arranged on the first rotating rod (45);
the dust separation structure (5) comprises a bevel gear set and a filter screen (56), one end of the bevel gear set is connected with the first rotating rod (45), the other end of the bevel gear set is rotatably connected with the gas guide tank (3) through the second rotating rod (52), the second rotating rod (52) is in transmission connection with a third rotating rod (57) arranged at one end of the gas guide tank (3), the outer wall of the third rotating rod (57) is provided with a brush (571), and the two sides of the outer part of the third rotating rod (57) are respectively provided with the filter screen (56) fixedly connected with the inner wall of the gas guide tank (3);
dust device (6), including atomizer (65), atomizer (65) set up in dust-proof structure (5) top, atomizer (65) communicate with the external world through aqueduct (63), just dust removal case (2) bottom is provided with and leads clear dirty case (66) of gas pitcher (3) intercommunication, lead gas pitcher (3) bottom and can dismantle with clear dirty case (66) and be connected.
2. The ventilation device for underground building construction according to claim 1, wherein a water tank (61) is disposed on the dust removing box (2), the water tank (61) is communicated with a water conduit (63) through a pressurized water pump (62), the water conduit (63) between the water tank (61) and the gas guide tank (3) is in a U-shaped structure, a first electromagnetic valve (631) is disposed on the U-shaped water conduit (63), and the U-shaped arms are communicated with each other through a refrigerating pipe (64).
3. The ventilation apparatus for underground building construction according to claim 2, further comprising an oxygen generating apparatus (7), wherein the oxygen generating apparatus (7) comprises:
the oxygen production tank (71) is communicated with the water guide pipe (63) through a connecting pipe (72), and a second electromagnetic valve (721) is arranged on the connecting pipe (72);
the electrolyzer (73) is arranged in the oxygen production tank (71) and comprises a cathode electrolysis bar and an anode electrolysis bar, the anode electrolysis bar is communicated with the air outlet (32) through a first air duct (74), a third electromagnetic valve (741) is arranged on the first air duct (74), and the cathode electrolysis bar is communicated with the outside through a second air duct (75).
4. The ventilation apparatus for underground building construction according to claim 3, wherein a controller (8) is provided in the dust removal box (2), and the controller (8) is electrically connected to the pressure water pump (62), the refrigerant pipe (64), the first solenoid valve (631), the second solenoid valve (721), the third solenoid valve (741), and the electrolyzer (73), respectively.
5. The ventilation apparatus for underground construction according to claim 1, wherein the motor (41) is provided with a first driving wheel (42), the first driving wheel (42) is connected to a second driving wheel (44) provided on a first rotating rod (45) through a first driving belt (43), the first rotating rod (45) is provided with two fixing rods (461), and the two fixing rods (461) are rotatably connected to the upper and lower inner walls of the air guide tank (3) through bearings (46).
6. A ventilation device for underground building construction according to claim 1, characterized in that the second rotating rod (52) is provided with a third transmission wheel (53), the third transmission wheel (53) is connected with a fourth transmission wheel (55) through a second transmission belt (54), and the fourth transmission wheel (55) is arranged at the end of the third rotating rod (57).
7. The ventilating device for underground construction as claimed in claim 2, wherein the water tank (61) is provided at the top thereof with a water inlet (611).
8. The ventilating device for underground construction as claimed in claim 1, wherein the sidewall of the soil-removing tank (66) is provided with a soil outlet (661) and the bottom thereof is provided with a soil-removing port (662).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210264354.1A CN114909755A (en) | 2022-03-17 | 2022-03-17 | Ventilation unit is used in underground construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210264354.1A CN114909755A (en) | 2022-03-17 | 2022-03-17 | Ventilation unit is used in underground construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114909755A true CN114909755A (en) | 2022-08-16 |
Family
ID=82762438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210264354.1A Pending CN114909755A (en) | 2022-03-17 | 2022-03-17 | Ventilation unit is used in underground construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114909755A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050072308A1 (en) * | 2003-10-02 | 2005-04-07 | Kohei Aoyagi | Air cleaner |
| CN106996602A (en) * | 2017-04-01 | 2017-08-01 | 合肥梦飞电器有限公司 | A kind of air purifier of humidification function |
| CN109186031A (en) * | 2018-09-18 | 2019-01-11 | 聂莉萍 | A kind of subway work ventilation refrigerating plant |
| CN211936209U (en) * | 2020-04-13 | 2020-11-17 | 孟昭伟 | Environmental protection construction is with spraying dust collector |
| CN212663042U (en) * | 2020-05-31 | 2021-03-09 | 内蒙古鸿远煤炭集团有限公司孙三沟煤矿 | Spraying dust-settling equipment for coal mining |
| CN213823864U (en) * | 2020-09-02 | 2021-07-30 | 宿迁雍煌建材有限公司 | Ventilation and dust removal device for production of commodity recycled concrete |
| CN213997076U (en) * | 2020-10-19 | 2021-08-20 | 绍兴市质量技术监督检测院 | Green building with ventilation energy-saving mechanism |
| EP3795234A4 (en) * | 2018-08-31 | 2021-10-27 | Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd. | Purification device for air purification and air purifier having same |
| CN214791761U (en) * | 2021-03-11 | 2021-11-19 | 上海垣锦机电设备制造有限公司 | Oxygen generator for indoor oxygenation |
-
2022
- 2022-03-17 CN CN202210264354.1A patent/CN114909755A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050072308A1 (en) * | 2003-10-02 | 2005-04-07 | Kohei Aoyagi | Air cleaner |
| CN106996602A (en) * | 2017-04-01 | 2017-08-01 | 合肥梦飞电器有限公司 | A kind of air purifier of humidification function |
| EP3795234A4 (en) * | 2018-08-31 | 2021-10-27 | Guangdong Midea White Home Appliance Technology Innovation Center Co., Ltd. | Purification device for air purification and air purifier having same |
| CN109186031A (en) * | 2018-09-18 | 2019-01-11 | 聂莉萍 | A kind of subway work ventilation refrigerating plant |
| CN211936209U (en) * | 2020-04-13 | 2020-11-17 | 孟昭伟 | Environmental protection construction is with spraying dust collector |
| CN212663042U (en) * | 2020-05-31 | 2021-03-09 | 内蒙古鸿远煤炭集团有限公司孙三沟煤矿 | Spraying dust-settling equipment for coal mining |
| CN213823864U (en) * | 2020-09-02 | 2021-07-30 | 宿迁雍煌建材有限公司 | Ventilation and dust removal device for production of commodity recycled concrete |
| CN213997076U (en) * | 2020-10-19 | 2021-08-20 | 绍兴市质量技术监督检测院 | Green building with ventilation energy-saving mechanism |
| CN214791761U (en) * | 2021-03-11 | 2021-11-19 | 上海垣锦机电设备制造有限公司 | Oxygen generator for indoor oxygenation |
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