CN111760385A - Tunnel engineering air purification system - Google Patents

Tunnel engineering air purification system Download PDF

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Publication number
CN111760385A
CN111760385A CN202010635196.7A CN202010635196A CN111760385A CN 111760385 A CN111760385 A CN 111760385A CN 202010635196 A CN202010635196 A CN 202010635196A CN 111760385 A CN111760385 A CN 111760385A
Authority
CN
China
Prior art keywords
air purifier
air
connecting rod
tunnel
filter screen
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
Application number
CN202010635196.7A
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Chinese (zh)
Inventor
孟庆龙
王武京
刘明华
高家瑞
曹跃
蔡锐
姜娜
姚艳峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Municipal Construction Co Ltd
Original Assignee
Beijing Municipal Construction Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Municipal Construction Co Ltd filed Critical Beijing Municipal Construction Co Ltd
Priority to CN202010635196.7A priority Critical patent/CN111760385A/en
Publication of CN111760385A publication Critical patent/CN111760385A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62Filters 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0028Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions provided with antibacterial or antifungal means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/30Particle separators, e.g. dust precipitators, using loose filtering material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66Regeneration of the filtering material or filter elements inside the filter
    • B01D46/68Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
    • B01D46/681Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F1/00Ventilation of mines or tunnels; Distribution of ventilating currents
    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21FSAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F5/00Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

The invention relates to the field of tunnel engineering auxiliary equipment, and particularly discloses a tunnel engineering air purification system, which comprises a tunnel, wherein a vertical pipe is arranged at one end of the tunnel, and a hood is arranged above the vertical pipe; a top wall is arranged in the tunnel, and an air purifier is arranged below the top wall; a motor plate is arranged in the air purifier, a first motor is arranged on the motor plate, and an impeller is arranged on an output shaft of the first motor; be equipped with the baffle in the air purifier, be equipped with on the baffle and rotate wiping arrangement, the baffle below is equipped with the second filter screen, air purifier bottom center is equipped with the air inlet soft board, the air purifier outside is equipped with dust collecting device. According to the portable air purifier, the air purification function is realized through the portable air purifier, the air purifier is of a detachable structure, dust is collected by rotating the wiping device to be matched with the dust collecting device, the device can be repeatedly used and is convenient to overhaul, and in addition, the device has a dust collecting function.

Description

Tunnel engineering air purification system
Technical Field
The invention relates to the field of tunnel engineering auxiliary equipment, in particular to a tunnel engineering air purification system.
Background
With the acceleration of the urbanization process and the development of urban construction in China, the centralized heating industry is greatly developed. The scale of the thermal outside line engineering is continuously enlarged, the underground excavation method has been applied to practical engineering because the influence on road traffic, urban resident trip and urban environment is minimum, the existing tunnel of the Beijing thermal group exceeds 100km, and almost all major lines are laid by adopting the underground excavation through-running ditch (tunnel);
in the tunnel engineering, an air purification system is an indispensable important component, although the air purification system does not play a leading role in the tunnel engineering, the quality of the air purification system affects the service life of the tunnel at any moment, once the air purification system has a problem, the workload of later-stage maintenance is greatly increased, a large amount of labor cost is wasted, and the life of residents is also affected; most of the traditional air purification systems for tunnel engineering are common preset air channels matched with high-power fans, so that the function of air purification is realized; the mode has a simple structure, is convenient to design, but cannot be repeatedly used, once one tunnel is stopped to be used, the corresponding air purification system is stopped to be used, and in addition, the traditional air purification system is inconvenient to overhaul and rough in dust treatment.
Disclosure of Invention
The invention aims to provide an air purification system for tunnel engineering to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the air purification system for the tunnel engineering comprises a tunnel, wherein a vertical pipe is arranged at one end of the tunnel, and a hood is arranged above the vertical pipe; a top wall is arranged in the tunnel, and an air purifier is arranged below the top wall; the air purifier is characterized in that a first filter screen frame is arranged in the air purifier, a first filter screen is arranged on the first filter screen frame, an adsorption chamber is arranged on the side wall of the air purifier, an activated carbon layer is arranged in the adsorption chamber, a motor plate is arranged in the air purifier, a first motor is arranged on the motor plate, and an impeller is arranged on an output shaft of the first motor;
be equipped with the baffle in the air purifier, be equipped with on the baffle and rotate wiping arrangement, the baffle below is equipped with the second filter screen, air purifier bottom center is equipped with the air inlet soft board, the air purifier outside is equipped with dust collecting device.
As a further scheme of the invention: the air purifier is detachably connected to the top wall through a first fixing bolt; a sterilizing lamp is fixedly connected below the top wall, and a remote control switch is arranged in the sterilizing lamp; the first filter screen is detachably connected to the first filter screen frame through a second fixing bolt; the side wall of the air purifier is provided with air holes; the activated carbon layer is clamped on the side wall of the air purifier through the sealing plug.
As a further scheme of the invention: the rotating wiping device comprises a second motor, a first gear is detachably connected to an output shaft of the second motor, a first belt wheel is arranged on the partition plate, a second gear is fixedly connected to a central shaft above the first belt wheel, and the second gear is meshed with the first gear.
As a further scheme of the invention: a second belt wheel is arranged on the partition plate, and a belt is arranged between the first belt wheel and the second belt wheel; the first connecting rod is hinged to the lower portion of the first belt wheel, the second connecting rod is hinged to the lower portion of the second belt wheel, a third connecting rod is hinged to one end, away from the first belt wheel, of the first connecting rod, the third connecting rod is hinged to the middle portion of the second connecting rod, and a fourth connecting rod is hinged to one end, away from the second belt wheel, of the second connecting rod.
As a further scheme of the invention: one end of the third connecting rod, which is far away from the second belt wheel, is hinged with a fifth connecting rod, and one end of the fifth connecting rod, which is far away from the third connecting rod, is hinged on a fourth connecting rod; the baffle is rotatably connected with an auxiliary plate, a cleaning plate is arranged on the auxiliary plate, and a brush is arranged below the cleaning plate.
As a further scheme of the invention: a second filter screen frame is arranged on the side wall of the air purifier, and the second filter screen is detachably connected to the second filter screen frame through a third fixing bolt; the air inlet soft board is connected to the bottom of the air purifier in a buckling mode.
As a further scheme of the invention: the dust collecting device comprises a side air pipe, an outlet at the upper part of the side air pipe is communicated between the motor plate and the partition plate, and an outlet at the lower part of the side air pipe is communicated between the air purifier and the second filter screen; a dust collection box is arranged in the middle of the side air pipe, an end cover is arranged on one side of the dust collection box, and the end cover is detachably connected to the dust collection box through a fourth fixing bolt; and a third filter screen is arranged in the end cover.
As a further scheme of the invention: and lightening holes are formed in the first belt wheel and the second belt wheel of the rotary wiping device.
Compared with the prior art, the invention has the beneficial effects that: according to the portable air purifier, the air purification function is realized through the portable air purifier, the air purifier is of a detachable structure, dust is collected by rotating the wiping device to be matched with the dust collecting device, the device can be repeatedly used and is convenient to overhaul, and in addition, the device has a dust collecting function.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
Fig. 1 is a schematic structural diagram of an air purification system in tunnel engineering.
Fig. 2 is a schematic structural diagram of an air purifier in the air purification system of the tunnel engineering.
Fig. 3 is a schematic structural diagram of a rotary wiping device in the air purification system of the tunnel engineering.
Fig. 4 is an enlarged structural diagram of a in fig. 2.
In the figure: 1-tunnel, 2-hood, 3-air purifier, 301-adsorption chamber, 302-motor plate, 4-top wall, 5-first fixing bolt, 6-sterilizing lamp, 7-activated carbon layer, 8-sealing plug, 9-air hole, 10-first filter screen frame, 11-first filter screen, 12-second fixing bolt, 13-first motor, 14-impeller, 15-second motor, 16-first gear, 17-second gear, 18-first belt wheel, 19-second belt wheel, 20-belt, 21-lightening hole, 22-first connecting rod, 23-second connecting rod, 24-third connecting rod, 25-fourth connecting rod, 26-fifth connecting rod, 27-ribbed plate, 28-sweeping plate, 2801-hairbrush, 29-partition board, 30-second screen frame, 31-second screen, 32-third fixing bolt, 33-air inlet soft board, 34-dust exhaust bolt, 35-side air pipe, 36-end cover, 37-fourth fixing bolt, 38-dust collection box and 39-third screen.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1 to 4, in an embodiment of the present invention, an air purification system for tunnel engineering includes a tunnel 1, wherein one end of the tunnel 1 is provided with a vertical pipe, and a hood 2 is disposed above the vertical pipe; a top wall 4 is arranged in the tunnel 1, and an air purifier 3 is arranged below the top wall 4; the air purifier 3 is detachably connected to the top wall 4 through a first fixing bolt 5; a sterilizing lamp 6 is fixedly connected below the top wall 4, and a remote control switch is arranged in the sterilizing lamp 6; a first filter screen frame 10 is arranged in the air purifier 3, a first filter screen 11 is arranged on the first filter screen frame 10, and the first filter screen 11 is detachably connected to the first filter screen frame 10 through a second fixing bolt 12; an adsorption chamber 301 is arranged on the side wall of the air purifier 3, and an air hole 9 is formed in the side wall of the air purifier 301; an activated carbon layer 7 is arranged in the adsorption chamber 301, and the activated carbon layer 7 is clamped on the side wall of the air purifier 3 through a sealing plug 8; a motor plate 302 is arranged in the air purifier 3, a first motor 13 is arranged on the motor plate 302, and an impeller 14 is arranged on an output shaft of the first motor 13;
further, a partition plate 29 is arranged in the air purifier 3, a rotary wiping device is arranged on the partition plate 29, the rotary wiping device comprises a second motor 15, a first gear 16 is detachably connected to an output shaft of the second motor 15, a first belt wheel 18 is arranged on the partition plate 29, a second gear 17 is fixedly connected to a central shaft above the first belt wheel 18, and the second gear 17 is meshed with the first gear 16; a second belt wheel 19 is arranged on the partition 29, and a belt 20 is arranged between the first belt wheel 18 and the second belt wheel 19; a first connecting rod 22 is hinged below the first belt pulley 18, a second connecting rod 23 is hinged below the second belt pulley 19, a third connecting rod 24 is hinged at one end, away from the first belt pulley 18, of the first connecting rod 22, the third connecting rod 24 is hinged at the middle part of the second connecting rod 23, and a fourth connecting rod 25 is hinged at one end, away from the second belt pulley 19, of the second connecting rod 23; one end of the third connecting rod 24, which is far away from the second belt wheel 19, is hinged with a fifth connecting rod 26, and one end of the fifth connecting rod 26, which is far away from the third connecting rod 24, is hinged on the fourth connecting rod 25; the partition plate 29 is rotatably connected with an auxiliary plate 27, a cleaning plate 28 is arranged on the auxiliary plate 27, and a brush 2801 is arranged below the cleaning plate 28;
specifically, a second filter screen 31 is arranged below the partition plate 29, a second filter screen frame 30 is arranged on the side wall of the air purifier 3, and the second filter screen 31 is detachably connected to the second filter screen frame 30 through a third fixing bolt 32; an air inlet soft board 33 is arranged in the center of the bottom of the air purifier 3, and the air inlet soft board 33 is connected to the bottom of the air purifier 3 in a buckling mode; a dust collecting device is arranged on the outer side of the air purifier 3, the dust collecting device comprises a side air pipe 35, an upper outlet of the side air pipe 35 is communicated between the motor plate 302 and the partition plate 29, and a lower outlet of the side air pipe 35 is communicated between the air purifier 3 and the second filter screen 31; a dust collection box 38 is arranged in the middle of the side air duct 35, an end cover 36 is arranged on one side of the dust collection box 38, and the end cover 36 is detachably connected to the dust collection box 38 through a fourth fixing bolt 37; a third screen 39 is provided in the end cap 36.
The working principle of the embodiment of the invention is as follows: the wind cap 2 ventilates the tunnel 1 through natural wind power, and the air composition in the tunnel 1 is kept to be the same as the external atmosphere; the first motor 13 drives the impeller 14 to rotate, so that negative pressure is formed between the motor plate 302 and the partition plate 29, outside air enters through the air inlet soft plate 33 and is subjected to dust removal under the action of the second filter screen 31, and the second filter screen 31 mainly serves to filter dust in the air; the second motor 15 drives the first gear 16 to rotate, the first gear 16 drives the second gear 17 to rotate, the second gear 17 drives the first belt pulley 18 to rotate, the first belt pulley 18 drives the second belt pulley 19 to rotate through the belt 20, the first belt pulley 18 and the second belt pulley 19 drive the first connecting rod 22 and the second connecting rod 23 to rotate, the first connecting rod 22, the second connecting rod 23, the third connecting rod 24 and the fourth connecting rod 25 form two parallelograms, the first connecting rod 22 and the third connecting rod 24 are power rods, and the second connecting rod 23 and the fourth connecting rod 25 are auxiliary rods, so that the rotation of the auxiliary plate 27 is more stable; the auxiliary board 27 drives the brush 2801 to rotate through the cleaning board 28, so as to clean the second filter screen 31, the cleaned dust falls into two sides of the air inlet soft board 33, a part of dust enters the side air pipe 35 under the action of the dust exhaust bolt 34, and then is collected into the end cover 36 under the obstruction of the third filter screen 39; the first filter screen 11 and the activated carbon layer 7 in the air purifier 3 filter air more carefully; the sterilizing lamp 6 can perform sterilizing operation on the air.
Example 2
Referring to fig. 1 to 3, unlike embodiment 1, in the embodiment of the present invention, the first pulley 18 and the second pulley 19 of the rotary wiping apparatus are provided with lightening holes 21.
The working principle of the embodiment of the invention is as follows: the first belt pulley 18 and the second belt pulley 19 are components which rotate continuously in the rotating wiping device, the driving force of the first belt pulley 18 is provided by the second motor 15, and the power of the second motor 15 is smaller, so that the mass reduction of the first belt pulley 18 and the second belt pulley 19 not only can greatly improve the efficiency of the device, but also can prolong the service life of the second motor 15.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (8)

1. The air purification system for the tunnel engineering is characterized by comprising a tunnel (1), wherein one end of the tunnel (1) is provided with a vertical pipe, and a hood (2) is arranged above the vertical pipe; a top wall (4) is arranged in the tunnel (1), and an air purifier (3) is arranged below the top wall (4); a first filter screen frame (10) is arranged in the air purifier (3), a first filter screen (11) is arranged on the first filter screen frame (10), an adsorption chamber (301) is arranged on the side wall of the air purifier (3), an activated carbon layer (7) is arranged in the adsorption chamber (301), a motor plate (302) is arranged in the air purifier (3), a first motor (13) is arranged on the motor plate (302), and an impeller (14) is arranged on an output shaft of the first motor (13);
be equipped with baffle (29) in air purifier (3), be equipped with on baffle (29) and rotate wiping arrangement, baffle (29) below is equipped with second filter screen (31), air purifier (3) bottom center is equipped with air inlet soft board (33), the air purifier (3) outside is equipped with dust collecting device.
2. The tunneling air purification system according to claim 1, wherein the air purifier (3) is detachably connected to the top wall (4) by a first fixing bolt (5); a sterilizing lamp (6) is fixedly connected below the top wall (4), and a remote control switch is arranged in the sterilizing lamp (6); the first filter screen (11) is detachably connected to the first filter screen frame (10) through a second fixing bolt (12); the side wall of the air purifier (301) is provided with an air hole (9); the activated carbon layer (7) is clamped on the side wall of the air purifier (3) through a sealing plug (8).
3. The tunneling air purification system according to claim 2, wherein the rotary wiping device includes a second motor (15), a first gear (16) is detachably connected to an output shaft of the second motor (15), a first pulley (18) is disposed on the partition plate (29), a second gear (17) is fixedly connected to a central shaft above the first pulley (18), and the second gear (17) is engaged with the first gear (16).
4. A tunneling air purification system according to claim 3, characterized in that a second pulley (19) is provided on the partition (29), a belt (20) being provided between the first pulley (18) and the second pulley (19); first band pulley (18) below articulates there is first connecting rod (22), second band pulley (19) below articulates there is second connecting rod (23), the one end that first band pulley (18) was kept away from in first connecting rod (22) articulates there is third connecting rod (24), third connecting rod (24) articulate in second connecting rod (23) middle part, the one end that second band pulley (19) was kept away from in second connecting rod (23) articulates there is fourth connecting rod (25).
5. The tunneling air purification system according to claim 4, wherein a fifth link (26) is hinged to an end of the third link (24) remote from the second pulley (19), and an end of the fifth link (26) remote from the third link (24) is hinged to the fourth link (25); baffle (29) rotate to be connected with and help board (27), help to be equipped with on board (27) and clean board (28), it is equipped with brush (2801) to clean board (28) below.
6. The air purification system for tunnel engineering according to any one of claims 1 to 5, wherein a second screen frame (30) is arranged on the side wall of the air purifier (3), and the second screen (31) is detachably connected to the second screen frame (30) through a third fixing bolt (32); the air inlet soft board (33) is connected to the bottom of the air purifier (3) in a buckling mode.
7. The air purification system for tunnel engineering according to any one of claims 1 to 5, wherein the dust collecting device comprises a side air pipe (35), an upper outlet of the side air pipe (35) is communicated between the motor plate (302) and the partition plate (29), and a lower outlet of the side air pipe (35) is communicated between the air purifier (3) and the second filter screen (31); a dust collection box (38) is arranged in the middle of the side air pipe (35), an end cover (36) is arranged on one side of the dust collection box (38), and the end cover (36) is detachably connected to the dust collection box (38) through a fourth fixing bolt (37); and a third filter screen (39) is arranged in the end cover (36).
8. Tunnel work air purification system according to claim 3 or 4, characterized in that the first pulley (18) and the second pulley (19) of the rotating wiping device are each provided with lightening holes (21).
CN202010635196.7A 2020-07-03 2020-07-03 Tunnel engineering air purification system Pending CN111760385A (en)

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Application Number Priority Date Filing Date Title
CN202010635196.7A CN111760385A (en) 2020-07-03 2020-07-03 Tunnel engineering air purification system

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Application Number Priority Date Filing Date Title
CN202010635196.7A CN111760385A (en) 2020-07-03 2020-07-03 Tunnel engineering air purification system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112387070A (en) * 2020-10-29 2021-02-23 邹伟恩 Livestock farm house ambient air purification device

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CN107243480A (en) * 2017-07-12 2017-10-13 童贤波 A kind of medicine equipment high-efficiency washing device
CN108547656A (en) * 2018-05-02 2018-09-18 黄河科技学院 A kind of city rail traffic aid circulation system
WO2018165795A1 (en) * 2017-03-12 2018-09-20 深圳市上羽科技有限公司 Cabinet air conditioner with air purification function
CN208154682U (en) * 2018-04-15 2018-11-27 安徽省东裕制冷科技有限公司 A kind of air purifying unit of central air conditioner
US20190255367A1 (en) * 2015-12-11 2019-08-22 Gholam Hossein Zereshkian Personalized forced air purifier
CN110445024A (en) * 2019-06-21 2019-11-12 常德三欣电力电子科技有限公司 A kind of dust-proof radiating type power equipment power distribution cabinet
CN210543914U (en) * 2019-06-10 2020-05-19 邯郸市微克环保科技有限公司 Air purifier with automatically cleaning is filter screen just
US20200199954A1 (en) * 2018-01-25 2020-06-25 China University Of Mining And Technology Mine drill, dust suction hood and dust removal device thereof

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190255367A1 (en) * 2015-12-11 2019-08-22 Gholam Hossein Zereshkian Personalized forced air purifier
WO2018165795A1 (en) * 2017-03-12 2018-09-20 深圳市上羽科技有限公司 Cabinet air conditioner with air purification function
CN107243480A (en) * 2017-07-12 2017-10-13 童贤波 A kind of medicine equipment high-efficiency washing device
US20200199954A1 (en) * 2018-01-25 2020-06-25 China University Of Mining And Technology Mine drill, dust suction hood and dust removal device thereof
CN208154682U (en) * 2018-04-15 2018-11-27 安徽省东裕制冷科技有限公司 A kind of air purifying unit of central air conditioner
CN108547656A (en) * 2018-05-02 2018-09-18 黄河科技学院 A kind of city rail traffic aid circulation system
CN210543914U (en) * 2019-06-10 2020-05-19 邯郸市微克环保科技有限公司 Air purifier with automatically cleaning is filter screen just
CN110445024A (en) * 2019-06-21 2019-11-12 常德三欣电力电子科技有限公司 A kind of dust-proof radiating type power equipment power distribution cabinet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112387070A (en) * 2020-10-29 2021-02-23 邹伟恩 Livestock farm house ambient air purification device

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Application publication date: 20201013