CN112933806A - Spray type atmospheric pollution circulation purifying equipment - Google Patents

Spray type atmospheric pollution circulation purifying equipment Download PDF

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Publication number
CN112933806A
CN112933806A CN202110124471.3A CN202110124471A CN112933806A CN 112933806 A CN112933806 A CN 112933806A CN 202110124471 A CN202110124471 A CN 202110124471A CN 112933806 A CN112933806 A CN 112933806A
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CN
China
Prior art keywords
spray
atmospheric pollution
type atmospheric
purification device
circulation purification
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202110124471.3A
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Chinese (zh)
Inventor
刘丽
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.)
Nanjing Peiying Extracurricular Education Training Center Co ltd
Original Assignee
Nanjing Peiying Extracurricular Education Training Center 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.)
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Publication date
Application filed by Nanjing Peiying Extracurricular Education Training Center Co ltd filed Critical Nanjing Peiying Extracurricular Education Training Center Co ltd
Priority to CN202110124471.3A priority Critical patent/CN112933806A/en
Publication of CN112933806A publication Critical patent/CN112933806A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/06Spray cleaning
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F9/00Use of air currents for screening, e.g. air curtains

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Prevention Of Fouling (AREA)

Abstract

The invention discloses a spraying type atmospheric pollution circulation purification device which structurally comprises a host, a motor, a base, a dust collector and a processor, wherein the host is indirectly matched with the processor, the processor is installed on the dust collector, the dust collector is matched with the motor in an electric connection mode, the motor is connected to the base, a bearing component and a blocking plate are arranged on a power assisting device, the bearing component and the blocking plate are arranged on a control and guard plate, when dust particles move upwards along with the flow of spraying, the bearing component is impacted on the control and guard plate, circular wool materials at two ends of the control and guard plate can extrude the bearing component, the blocking plate is assisted to deform on a retaining ring, the straight dust particles are impacted and gathered under the blocking plate, smooth airflow is formed, the dust gathering effect is improved, and the purified airflow can rise rapidly.

Description

Spray type atmospheric pollution circulation purifying equipment
Technical Field
The invention relates to the field of atmospheric pollution, in particular to a spraying type atmospheric pollution circulation purification device.
Background
Although China does a lot of work in the aspects of development, popularization and use of air pollution treatment technology and equipment, the continuous diffusion of air pollution is not enough to be completely controlled, the investment of capital and manpower and the degree of commercialization of practical technology are far away from the developed countries, the current weaker fields are the treatment technology of emission pollution of industrial kilns and production facilities in the industries of clean coal technology, metallurgy, chemical engineering, building materials and the like and the purification technology in motor vehicle machines, the lack of practical technology directly influences the process and the effect of air pollution treatment, when the existing spray type air pollution circulation purification equipment purifies waste gas, as the dust collector is far away from the spray blades, the negative pressure loss is large, part of fine dust particles in the waste gas can move upwards along with the spray flow, so that the purified air flow can be dispersed by the fine dust particles, the turbulence and turbulent flow phenomena appear in the air flow, and the air flow is mixed with the air flow again, so that the flow direction of the purified air flow is completely destroyed, and the circulation purification effect is greatly reduced.
Disclosure of Invention
Aiming at the problems, the invention provides a spraying type atmospheric pollution circulation purification device which structurally comprises a host, a motor, a base, a dust collector and a processor, wherein the host and the processor are indirectly matched, the processor is arranged on the dust collector, the dust collector and the motor are matched in an electrically connected mode, the motor is connected to the base, the processor comprises a main frame, a spraying net, a negative pressure port and a flow stabilizing mechanism, the main frame is connected to the dust collector through the negative pressure port, the negative pressure port is connected to the spraying net, and the flow stabilizing mechanism is arranged on the spraying net.
As a further improvement of the invention, the flow stabilizing mechanism comprises a post rod, a power assisting device, a framework and a butt clamp, wherein the post rod is connected in the main frame through the framework, the butt clamp is connected in the framework, and the butt clamp is arranged on the power assisting device.
As a further improvement of the invention, the power assisting device comprises a bearing assembly, a retaining ring, a blocking plate, a control guard plate and a connecting rod, wherein the bearing assembly is connected with one end of the connecting rod through the control guard plate, the other end of the connecting rod is connected with the retaining ring, and the blocking plate is arranged between the retaining rings.
As a further improvement of the invention, the control board is connected with the butt clamp, the sunken parts at the two sides of the control board are provided with hard barbed hairs with hooks, the barbed hairs are indirectly matched with the bottom of the bearing component and are magic tapes similar to a numerator and a denominator on two sides, and the magic tapes are adhered together to ensure that the movement between the two sides is smoother.
As a further improvement of the invention, the bearing assembly comprises an adjusting paste, a position measuring ball, an elastic member, a control board and a swinging member, wherein the adjusting paste is indirectly matched with the control board, the swinging member is arranged in the adjusting paste, the swinging member is provided with the position measuring ball, and the position measuring ball is in transition fit with the position measuring ball through the elastic member.
As a further improvement of the invention, the swing part comprises an abrasive belt, a reset seat, a fit bag and a stress body, wherein the abrasive belt is connected to the reset seat, the reset seat is in transition fit with an adjusting sticker through the abrasive belt and is connected with the fit bag, the fit bag is connected with the stress body, the stress body is made of a non-Newtonian body material and is welded with the spherical surface of the positioning ball, and the non-Newtonian body can apply an upward force to the positioning ball when the positioning ball bears the force on the stress body.
As a further improvement of the invention, the barrier plate comprises a positioning buckle, a gathering device, a limiting frame and a flow guide strip, wherein the positioning buckle is connected with the retaining ring and provided with the gathering device, the limiting frame is arranged on the gathering device, the flow guide strip is connected on the limiting frame, the flow guide strip is of a shutter structure, the overturning direction can be changed by utilizing the deformation of the gathering devices at two ends, and the downward movement of dust particles is forcibly limited.
As a further improvement of the invention, the gathering device comprises an inclined plate, an outer limiting plate, a rotating plate, an inserting piece and a sliding rail, wherein the inclined plate is connected between the outer limiting plate and the inserting piece, the inserting piece is connected on the flow guide strip, the sliding rail is connected on the outer limiting plate, the rotating plate is movably clamped between the sliding rails, and the rotating plate is connected on the positioning buckle.
Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the supporting assembly and the blocking plate are arranged on the power assisting device, and when dust particles move upwards along with the flow of the spray, the supporting assembly and the blocking plate are arranged on the control and guard plate, the dust particles can impact the control and guard plate, so that round wool materials at two ends of the control and guard plate can extrude the supporting assembly, the blocking plate is assisted to deform on the retaining ring, the dust particles on the straight surface impact the retaining ring and gather the retaining ring under the blocking plate, smooth airflow is formed, the dust gathering effect is improved, and the purified airflow can rapidly rise.
2. When the weighing position ball affects the stress body, the stress body can be stressed and hardened quickly, and the extrusion force from the weighing position ball can be transmitted to the fit bag quickly, so that the stability can be regulated and controlled in time.
3. The guide strip is of a shutter-shaped structure, and the shutter of the guide strip is opened along the air flow surging direction to form an air curtain, so that fine dust particles in the air flow are guided to gather and circulate downwards, the stress of the air flow is effectively dispersed by the dust particles, and the purification capacity of the equipment is enhanced.
Drawings
Fig. 1 is a schematic structural diagram of a spray type atmospheric pollution circulation purification device.
FIG. 2 is a schematic diagram of a planar structure of a processor according to the present invention.
Fig. 3 is a schematic plan structure view of the flow stabilizing mechanism of the present invention.
FIG. 4 is a schematic plan view of the booster of the present invention.
FIG. 5 is a front view of the receiving assembly of the present invention.
FIG. 6 is a side view of the present invention.
FIG. 7 is a schematic cross-sectional view of a barrier plate according to the present invention.
Fig. 8 is a schematic cross-sectional structure diagram of the closing device of the present invention.
In the figure: the device comprises a main machine-1, a motor-2, a base-3, a dust collector-4, a processor-5, a main frame-51, a spraying net-52, a negative pressure port-53, a flow stabilizing mechanism-54, a post-541, a power assisting device-542, a framework-543, a butt clamp-544, a receiving component-421, a buckle-422, a blocking plate-423, a control guard plate-424, a connecting rod-425, an adjusting paste-1 a1, a measuring ball-1 a2, an elastic piece-1 a3, a control guard plate-1 a4, a swing piece-1 a4, a running-in belt-a 41, a reset seat-a 42, a matching bag-a 43, a stress body-a 44, a positioning buckle-3 b1, a gathering device-3 b2, a limiting frame-3 b3, a flow guiding strip-3 b4, a sloping plate-b 21, a pressure adjusting device-54, a stress, An external limiting plate-b 22, a rotating plate-b 23, an inserting sheet-b 24 and a sliding rail-b 25.
Detailed Description
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.
Example 1
As shown in fig. 1-4, the present invention provides a spray-type atmospheric pollution circulation purification apparatus, which structurally comprises a main machine 1, a motor 2, a base 3, a dust collector 4, and a processor 5, wherein the main machine 1 and the processor 5 are indirectly matched, the bottom of the processor 5 is installed on the dust collector 4, the dust collector 4 and the motor 2 are matched in an electrical connection manner, the motor 2 is fixedly connected to the base 3, the processor 5 comprises a main frame 51, a spray net 52, a negative pressure port 53, and a flow stabilizing mechanism 54, the main frame 51 is welded to the outer surface of the dust collector 4 through the negative pressure port 53, the negative pressure port 53 is fixedly connected to the bottom of the spray net 52, the flow stabilizing mechanism 54 is installed on the spray net 52, the flow stabilizing mechanism 54 comprises a column rod 541, a power assisting device 542, a framework 543, and a butt clamp 544, the column rod 541 is fixedly connected to the inner wall of the main frame 51 through the framework, the inner side of the framework 543 is welded and connected with a pair of clips 544, two pairs of clips 544 are provided and are respectively mounted on two sides of the booster 542, the booster 542 comprises a receiving component 421, a retaining ring 422, a blocking plate 423, a control and guard plate 424 and a connecting rod 425, the receiving component 421 is provided with two clips which are fixedly connected with one end of the connecting rod 425 through the control and guard plate 424, the other end of the connecting rod 425 is welded and connected with the retaining ring 422, the blocking plate 423 is mounted between the retaining rings 422, the control and guard plate 424 and the inner ring of the pair of clips 544 are fixedly connected in a crossed manner, the dent positions on two sides of the control and guard plate 424 are provided with hard barbed hairs which are indirectly matched with the bottom of the receiving component 421, and are magic tapes with molecular and mother surfaces which are adhered to each other to ensure smooth movement between the control and guard plates, the receiving component 421 and the blocking plate 423 are arranged on the booster 542, when dust particles move upwards along with spraying, the dust particles impact the control and guard plate 424, the round wool materials at two ends of the control and guard plate 424 can extrude the bearing assembly 421, the blocking plate 423 is assisted to deform on the retaining ring 422, the dust particles on the straight surface impact the blocking plate 423, and the blocking plate 423 is integrated with the blocking plate, smooth air flow is formed, the dust collecting effect is improved, and the purified air flow can rapidly rise.
Example 2
As shown in fig. 5-8, on the basis of the embodiment 1, the invention combines the mutual matching of the following structural components, the receiving assembly 421 includes an adjusting sticker 1a1, a positioning ball 1a2, an elastic member 1a3, a control board 1a4 and a swinging member 1a4, the adjusting sticker 1a1 is of a basin-shaped structure, the round bristles of the outer surface indirectly match with the inner side of the control board 424, and two swinging members 1a4 with the same structure size are arranged in the inner groove thereof, the swinging member 1a4 is provided with the positioning ball 1a2, the positioning ball 1a2 is in transition fit through the elastic member 1a3, the swinging member 1a4 includes an abrasion belt a41, a reset seat a42, an engagement bag a43 and a44, the abrasion belt a41 is in engagement with the bottom of the reset seat a42, the abrasion seat a42 is in engagement with the adjusting sticker 1a 6862 through the abrasion belt a41, the arc-shaped engagement bag is welded on the inner side of the abrasion belt a 8653, the abrasion belt is fixedly connected with the abrasion bag 8653 a 828653, the stress body a44 is made of non-Newtonian material and is welded with the spherical surface of the measuring ball 1a2, the measuring ball 1a2 bears a force on the stress body a44, the non-Newtonian body can provide an upward force to the measuring ball 1a2, the blocking plate 423 comprises a positioning buckle 3b1, a closing device 3b2, a limiting frame 3b3 and a flow guide strip 3b4, the positioning buckle 3b1 is buckled and connected with a snap ring 422, the closing device 3b2 is installed on the outer circumference of the blocking plate, the limiting frame 3b3 is arranged at the bottom of the closing device 3b2, the flow guide strip 3b4 is fixedly connected inside the limiting frame 3, the flow guide strip 3b4 is of a louver structure and can change the turning direction by the deformation of the closing devices 3b2 at two ends, forcibly limits the downward movement of dust particles, the closing device 3b2 comprises an inclined plate b21, an outer limiting plate b22, an outer rotating plate b 368747, a sliding plate 24 b, and a sliding plate 24 b is welded with a vertical insertion piece 24, the insert b24 is inserted and connected to two sides of the flow guide strip 3b4, two ends of the outer limiting plate b22 are fixedly connected with sliding rails b25, a rotating plate b23 is movably clamped between the sliding rails b25, the rotating plate b23 is hinged to two sides of the positioning buckle 3b1, when the equivalent position ball 1a2 affects a stress body a44, the stress body a44 is quickly stressed and hardened at the moment, the extrusion force from the equivalent position ball 1a2 can be quickly transmitted to the fitting bag a43, so that the stability is timely regulated and controlled, the flow guide strip 3b4 is of a shutter structure, the shutter of the shutter can be opened in the air flow direction to form an air curtain, fine dust particles in the air flow can be guided by downward gathering and circulation, the stress of the air flow is effectively dispersed by the dust particles, and the purification capacity of the equipment is enhanced.
The working principle of the spray type atmospheric pollution circulation purification device in the above technical scheme is explained as follows:
in the use process of the invention, when the spraying net 52 purifies the waste gas, in order to prevent the phenomenon that part of fine dust particles move upwards along with the flow of the spraying because the dust collector 4 is far away from the spraying net 52, the flow stabilizing mechanism 54 is vertically arranged on the spraying net 52, the control guard plate 424 rotates along the flow direction of the air flow between the opposite clamps 544, and is limited in the diagonal inner part and inclines upwards, a dustpan structure with a narrow top and a wide bottom is formed between the opposite clamps 544, the ascending direction of the air flow is primarily guided, so that the burr structures at two sides of the control guard plate 424 drive the round burrs at the bottom of the adjusting paster 1a1 to upwards attach to the round burrs, the round burrs are upwards moved upwards along with the upward burr structures, one side of the arc-shaped basin structure of the adjusting paster 1a1 is driven to upwards shift, the swing parts 1a4 at two sides of the upper side of the round burrs are pushed to pass through the ball 1a2 guiding elastic parts 1a3 to contact the outer surface of the connecting rod 425 to be, the elastic piece 1a3 and the connecting rod 425 mutually borrow force to resist impact force against a non-Newton body of the stress body a44, the reset seat a42 and the engaging bag a43 continuously swing through unstable stress of the positioning ball 1a2 during the period, so as to more and more engage with a groove-shaped structure of the adjusting paste 1a1, and cooperate with the stress body a44 to continuously resist, so that each resisting force is correspondingly cut off by the non-Newton body, thereby ensuring that the receiving component 421 cannot drive the blocking plate 423 to incline along with the inclination of the control plate 424, and the blocking plate 423 is driven to rotate by the retaining ring 422, and cannot be in the same inclined plane with the control plate 424, so as to block dust particles at a low position, and simultaneously, the swing of the reset seat a42 can lead two ends of the reset seat a42 to slide on the sliding rail b25 in a reciprocating manner, so that the sliding rail b25 drives the rotating plate b23 between the sliding rail b23 to be crossed and ground at the bottom of the outer limiting plate b22, and ensuring that the outer limiting plate b3 can, and then the inserting piece b24 can effectively penetrate and be forced into the bottom of the flow guide strip 3b4 to push the louver structure of the flow guide strip 3b4 to open in the limiting frame 3b3, and vertically act on oncoming dust particles to control and block the dust particles in the flow guide strip 3b4, so that the purified air flow can pass through the net structure of the limiting frame 3b3 and stably rise along the control board 424, and the circulation purification effect of the atmospheric pollution of the equipment is greatly improved.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "length," "width," "height," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "side," and the like, as used herein, are used in an orientation or positional relationship indicated in the drawings, which is for convenience and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Claims (8)

1. A spray-type atmospheric pollution circulation purifying equipment is characterized in that: its structure includes host computer (1), motor (2), base (3), dust arrester (4), treater (5), host computer (1) and treater (5) indirect cooperation, install on dust arrester (4) treater (5), adopt electric connection's mode to cooperate between dust arrester (4) and motor (2), motor (2) are connected on base (3), treater (5) are including main frame (51), spray net (52), negative pressure mouth (53), stationary flow mechanism (54), main frame (51) are connected on dust arrester (4) through negative pressure mouth (53), negative pressure mouth (53) are connected on spraying net (52), install stationary flow mechanism (54) on spraying net (52).
2. A spray-type atmospheric pollution circulation purification device as claimed in claim 1, wherein: the flow stabilizing mechanism (54) comprises a pole (541), a power assisting device (542), a framework (543) and a butt clamp (544), the pole (541) is connected into the main frame (51) through the framework (543), the butt clamp (544) is connected into the framework (543), and the butt clamp (544) is installed on the power assisting device (542).
3. A spray-type atmospheric pollution circulation purification device as claimed in claim 2, wherein: booster unit (542) are including accepting subassembly (421), buckle (422), stop board (423), accuse guard board (424), connecting rod (425), accept subassembly (421) and be connected with connecting rod (425) one end through accuse guard board (424), the connecting rod (425) other end is connected with buckle (422), install between buckle (422) and stop board (423).
4. A spray-type atmospheric pollution circulation purification device as claimed in claim 3, wherein: the control board (424) is connected with the butt clamp (544).
5. A spray-type atmospheric pollution circulation purification device as claimed in claim 3, wherein: accept subassembly (421) including adjusting subsides (1a1), volume position ball (1a2), elastic component (1a3), goods of furniture for display rather than for use (1a4), adjust subsides (1a1) and control board (424) interior indirect cooperation, and its inside goods of furniture for display rather than for use (1a4) that is equipped with, install volume position ball (1a2) on goods of furniture for display rather than for use (1a4), through elastic component (1a3) transitional coupling between volume position ball (1a 2).
6. A spray-type atmospheric pollution circulation purification device according to claim 5, wherein: the ornament (1a4) comprises an abrasive belt (a41), a reset seat (a42), a fitting capsule (a43) and a stress body (a44), wherein the abrasive belt (a41) is connected to the reset seat (a42), the reset seat (a42) is in transition fit with an adjusting sticker (1a1) through the abrasive belt (a41) and is connected with the fitting capsule (a43), and the fitting capsule (a43) is connected with the stress body (a 44).
7. A spray-type atmospheric pollution circulation purification device as claimed in claim 3, wherein: the baffle (423) comprises a positioning buckle (3b1), a gathering device (3b2), a limiting frame (3b3) and a diversion strip (3b4), the positioning buckle (3b1) is connected with a buckle (422), the gathering device (3b2) is installed, the limiting frame (3b3) is arranged on the gathering device (3b2), and the diversion strip (3b4) is connected to the limiting frame (3b 3).
8. A spray-type atmospheric pollution circulation purification device according to claim 7, wherein: gather together device (3b2) and include swash plate (b21), outer limiting plate (b22), commentaries on classics board (b23), inserted sheet (b24), slide rail (b25), swash plate (b21) are connected between outer limiting plate (b22) and inserted sheet (b24), inserted sheet (b24) are connected on water conservancy diversion strip (3b4), be connected with slide rail (b25) on outer limiting plate (b22), activity block has commentaries on classics board (b23) between slide rail (b25), change board (b23) are connected on location knot (3b 1).
CN202110124471.3A 2021-01-29 2021-01-29 Spray type atmospheric pollution circulation purifying equipment Withdrawn CN112933806A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110124471.3A CN112933806A (en) 2021-01-29 2021-01-29 Spray type atmospheric pollution circulation purifying equipment

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Application Number Priority Date Filing Date Title
CN202110124471.3A CN112933806A (en) 2021-01-29 2021-01-29 Spray type atmospheric pollution circulation purifying equipment

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CN112933806A true CN112933806A (en) 2021-06-11

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CN202110124471.3A Withdrawn CN112933806A (en) 2021-01-29 2021-01-29 Spray type atmospheric pollution circulation purifying equipment

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113499618A (en) * 2021-07-21 2021-10-15 徐淑怡 Active biological material separation equipment

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB920203A (en) * 1958-04-10 1963-03-06 Ruhrchemie Ag Method and apparatus for contacting gas with a liquid
JP2002355517A (en) * 2002-04-01 2002-12-10 Takasago Thermal Eng Co Ltd Equipment for removing impurities in the air
CN106039886A (en) * 2016-06-07 2016-10-26 安徽金诚复合材料有限公司 Painting waste gas treatment equipment
CN111482077A (en) * 2020-05-20 2020-08-04 蔡林成 Spraying device for waste gas treatment
CN212283377U (en) * 2020-03-25 2021-01-05 江苏佑仑环保设备有限公司 Waste gas purification treatment device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB920203A (en) * 1958-04-10 1963-03-06 Ruhrchemie Ag Method and apparatus for contacting gas with a liquid
JP2002355517A (en) * 2002-04-01 2002-12-10 Takasago Thermal Eng Co Ltd Equipment for removing impurities in the air
CN106039886A (en) * 2016-06-07 2016-10-26 安徽金诚复合材料有限公司 Painting waste gas treatment equipment
CN212283377U (en) * 2020-03-25 2021-01-05 江苏佑仑环保设备有限公司 Waste gas purification treatment device
CN111482077A (en) * 2020-05-20 2020-08-04 蔡林成 Spraying device for waste gas treatment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113499618A (en) * 2021-07-21 2021-10-15 徐淑怡 Active biological material separation equipment

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Application publication date: 20210611