CN107327963A - A kind of air cleaning system - Google Patents
A kind of air cleaning system Download PDFInfo
- Publication number
- CN107327963A CN107327963A CN201710710322.9A CN201710710322A CN107327963A CN 107327963 A CN107327963 A CN 107327963A CN 201710710322 A CN201710710322 A CN 201710710322A CN 107327963 A CN107327963 A CN 107327963A
- Authority
- CN
- China
- Prior art keywords
- ring
- dust
- support column
- anion
- cleaning system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 27
- 239000000428 dust Substances 0.000 claims abstract description 89
- 150000001450 anions Chemical class 0.000 claims abstract description 52
- 150000002500 ions Chemical class 0.000 claims abstract description 16
- 230000001681 protective effect Effects 0.000 claims description 24
- 239000011810 insulating material Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 3
- 230000005684 electric field Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 239000013618 particulate matter Substances 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000030303 breathing problems Diseases 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
- F24F3/16—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by purification, e.g. by filtering; by sterilisation; by ozonisation
-
- 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
- F24F8/192—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 by electrical means, e.g. by applying electrostatic fields or high voltages
-
- 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
- F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
Abstract
The invention discloses a kind of air cleaning system, including support column, the bottom of support column is arranged with negative pole bottom plate and mounting ring from the bottom up, and anion emission pin is arranged in mounting ring；The top of support column is provided with dust gathering arrester, and the transmitting terminal of the lower ending opening and anion emission pin of dust gathering arrester is oppositely arranged, and provided with dust ring and electric discharge ring in dust gathering arrester, the upper end of dust gathering arrester offers air outlet slit.Air cleaning system provided by the present invention, negative pole bottom plate, anion pin and dust ring are installed on the net from lower on the support columns, negative pole bottom plate and the anion formation Coulomb repulsion of anion pin formation, make to be moved to the dust ring of positively charged by the charged air particle of anion, finally adsorbed by dust ring, ion through dust ring is discharged ring absorption, and discharges.Drive air flow present invention utilizes the repulsion of electric field and suction-operated and purify air, product windage is low, small using noise, and energy consumption is low.
Description
Technical field
The invention belongs to technical field of electrostatic dust collection, and in particular to a kind of air cleaning system based on Electrostatic Absorption.
Background technology
The fine fitment and air pollution of modern house, various pollutants increasingly threaten people's healthy.With people
The continuous improvement of living standard, requirement of the people to indoor environment and air also more and more higher, but the space of life and work is got over
More to close, the amount for changing fresh air is also fewer and fewer, in addition outdoor air quality also worse and worse, fresh clean sky
Gas can nowhere be sought, therefore in the market occurs in that a variety of air cleaning units.The common air cleaning unit of in the market has ESP
The settlement action of (electric precipitation) clarifier, simply simple utilization anion, bears it is characterized in that installing one to two groups additional in air outlet
Ion transmission probe and high-pressure generator, anion emission are discharged for air (the earth), and anion can enter the inside and outside (room of product
Between) space.
The Technology application and product advantage of ESP clarifiers be：It is simple in construction, it is with low cost.Have the disadvantage：1st, easy black wall,
The problem of air purifier with open anion launcher easily brings black wall is used for a long time, reason is open bears
A large amount of anions can be discharged into the interior space by emission of ions, and wall equally can have settlement action to the particle with anion；2、
Health and safety influences, the room air electronegative particulate matter containing high concentration for a long time, and it is to there is personnel's meeting of breathing problem
There is suitable negative effect, and there are some influences to some electrical parts.
The content of the invention
Use noise is small, can improve anion class product to bring there is provided one kind present invention aim to address above mentioned problem
Black wall and influence health the problem of and avoid Electrostatic Absorption class product secondary pollution problem air cleaning system.
In order to solve the above technical problems, the technical scheme is that：A kind of air cleaning system, including be vertically arranged
Support column, the bottom of support column is arranged with negative pole bottom plate and mounting ring from the bottom up, and anion emission pin is arranged in mounting ring；
The top of support column is provided with dust gathering arrester, and the transmitting terminal of the lower ending opening and anion emission pin of dust gathering arrester is oppositely arranged, dust gathering arrester
The interior electric discharge ring provided with positively charged dust ring and ground connection, dust ring is located at below electric discharge ring, and the upper end of dust gathering arrester is offered
Air outlet slit.
Preferably, crisscross fixer and cross supporting frame are arranged with the support column, dust gathering arrester lower end is connected to cross
On support frame, electric discharge ring upper end and crisscross fixer clamping, electric discharge ring lower end are connected by felt pad with the upper end of dust ring, are collected
The lower end of dirt ring is connected on cross supporting frame.
Preferably, the mounting ring includes inner ring and the ion needle ring that concentric is set, and leads between inner ring and ion needle ring
Cross link to be connected, anion emission pin is arranged on ion needle ring, inner ring sleeve is located at support column.
Preferably, it is provided with below the negative pole bottom plate above lower protective cover, anion emission pin and is provided with upper protective cover, upper guarantor
The outer rim of shield is connected with the outer rim of lower protective cover, and upper protective cover upper end offers anion outlet.
Preferably, the dust gathering arrester, upper protective cover and lower protective cover are made by insulating materials.
Preferably, the upper diameter of the support column diminishes to form step, and the upper end of dust gathering arrester is sheathed on support column and diminished
Part and be placed on step, clamp nut is sheathed on the part that support column diminishes and coordinated with support male screw, fastens spiral shell
Female lower end is abutted with the upper end of dust gathering arrester.
Preferably, the bottom of the support column is connected with base.
Preferably, electrostatic generator and anion generator, the negative pole and negative pole of electrostatic generator are provided with the base
Bottom plate is electrically connected, and the positive pole of electrostatic generator is electrically connected with dust ring, and anion generator is electrically connected with anion emission pin.
Preferably, the dust ring and electric discharge ring are loop configuration, and dust ring and electric discharge ring are successively along the stream of air
Dynamic direction arrangement.
Preferably, the support column is hollow-core construction, is easy to power lead to pass through；Support column is made up of insulating materials.
The beneficial effects of the invention are as follows：A kind of air cleaning system provided by the present invention, on the support columns from the bottom up
Negative pole bottom plate, anion emission pin, dust ring and electric discharge ring, the anion that negative pole bottom plate is launched with anion emission pin are installed
A repulsive force is formed, anion is had the trend moved to dust ring, while forming an electrical potential difference with dust ring, is made
Electronegative air particle is promptly moved to dust ring, make use of electric field identical charges repel each other, there is a natural attraction between the sexes effect to drive
Charged ion flows, and then drives air flow, and product windage is low, using noiseless, and energy consumption is low.And dust ring will can contain negative
The particulate matter absorption of electric charge, the ion for failing to be adsorbed by dust ring will be discharged ring absorption, improve anion class, electrostatic class product
The problem of black wall and influence health for bringing and the secondary pollution problem for avoiding Electrostatic Absorption class product.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of air cleaning system of the present invention.
Fig. 2 is the sectional view of air cleaning system of the present invention.
Fig. 3 is the structural representation of mounting ring of the present invention.
Description of reference numerals：1st, support column；2nd, negative pole bottom plate；3rd, mounting ring；4th, anion emission pin；5th, dust gathering arrester；6、
Dust ring；7th, air outlet slit；8th, inner ring；9th, ion needle ring；10th, link；11st, lower protective cover；12nd, upper protective cover；13rd, bear from
Subexit；14th, clamp nut；15th, base；16th, crisscross fixer, 17, electric discharge ring；18th, felt pad；19th, cross supporting frame.
Embodiment
The present invention is described further with specific embodiment below in conjunction with the accompanying drawings：
As depicted in figs. 1 and 2, a kind of air cleaning system that the present invention is provided, including support column 1, support column 1 are set vertically
Put, the bottom of support column 1 is connected with base 15.The bottom of support column 1 is arranged with negative pole bottom plate 2 and mounting ring 3 from the bottom up, peace
Anion emission pin 4 is disposed with dress ring 3.
The top of support column 1 is provided with dust gathering arrester 5, and the lower ending opening of dust gathering arrester 5 is relative with the transmitting terminal of anion emission pin 4
Set, the electric discharge ring 17 provided with positively charged dust ring 6 and ground connection in dust gathering arrester 5, the upper end of dust gathering arrester 5 offers air and gone out
Mouth 7.Dust ring 6 and electric discharge ring 17 are arranged along the flow direction of air successively, as shown in Fig. 2 dust ring 6 is located at electric discharge ring 17
Lower section.The material of electric discharge ring 17 is electrically conductive material, and position is the upside of dust ring 6, close to the exporter of air flow
To.
For the ease of installing dust gathering arrester 5, dust ring 6 and electric discharge ring 17, the He of crisscross fixer 16 is arranged with support column 1
Cross supporting frame 19, the lower end of dust gathering arrester 5 is connected on cross supporting frame 19, the electric discharge upper end of ring 17 and the clamping of crisscross fixer 16,
The electric discharge lower end of ring 17 is connected by felt pad 18 with the upper end of dust ring 6, lower end and the clamping of cross supporting frame 19 of dust ring 6,
During clamping, wire one end connection metal block tongue, both can also be connected by screw, and can also be connected through a screw thread.Connected by screw thread
When connecing, set one to enclose on internal thread groove, the lower end outer circumference surface of dust ring 6 on cross supporting frame 19 and corresponding outer spiral shell is set
Line, can be screwed in dust ring 6 in the internal thread groove of cross supporting frame 19 by relatively rotating cross supporting frame 19.
As shown in figure 3, mounting ring 3 includes inner ring 8 and the ion needle ring 9 that concentric is set, inner ring 8 and ion needle ring 9 it
Between by link 10 be connected, anion emission pin 4 regularly or irregularly be arranged on ion needle ring 9 on, anion emission pin 4
Upper end towards the lower ending opening of dust gathering arrester 5, inner ring 8 is sheathed on support column 1.
As shown in Fig. 2 support column 1 is hollow-core construction, circuit controller, electrostatic generator and anion are provided with base 15
Generator, the negative pole of electrostatic generator is electrically connected by wire with negative pole bottom plate 2, and the positive pole of electrostatic generator passes through wire and collection
Dirt ring 6 is electrically connected, and anion generator is electrically connected by wire with anion emission pin 4.Wire can be by walking inside support column 1
Line, overall appearance is succinct, is difficult coiling.
In order to prevent touching negative pole bottom plate 2 and anion emission pin 4 by mistake, lower protective cover 11 is provided with below negative pole bottom plate 2, is born
The top of ion transmission probe 4 is provided with upper protective cover 12, and the outer rim of upper protective cover 12 is connected to be formed with the outer rim of lower protective cover 11
One cavity protects negative pole bottom plate 2 and anion emission pin 4 wherein, support column 1, dust gathering arrester 5, upper protective cover 12, lower guarantor
Shield 11, crisscross fixer 16 and cross supporting frame 19 are made by insulating materials.
The distance between base 15 and lower protective cover 11 be 0cm-100cm between, between upper protective cover 12 and dust gathering arrester 5
Distance is between 0.5cm-50cm.
The upper upper end of protective cover 12 offers anion outlet 13, and anion outlet 13 is relative with the lower ending opening of dust gathering arrester 5
Set, during work, the anion that anion emission pin 4 is produced produces repulsive force with negative pole bottom plate 2, so that anion is upward
Motion, and with the particulate matter conglomerate in air, subsequently into dust gathering arrester 5, dust gathering arrester 5 as air circulation passage.
As shown in Fig. 2 dust ring 6 and electric discharge ring 17 are loop configuration, and it is respectively provided with certain height so that dust ring
6 have larger surface area along air-flow direction with electric discharge ring 17, and when air flows through dust ring, air includes negative electrical charge
Particulate matter directly contacted with dust ring after by it, institute is electrically charged is released to dust ring and sticks on dust ring, not by dust ring
Absorption electrically charged particulate matter by discharge ring when, be discharged ring and adsorb and discharge, then removing particulate matter pure air
Discharged by air outlet slit 7.
It should be noted that：First, as shown in figure 1, air outlet slit 7 and anion outlet 13 lead to for the circle being uniformly arranged
Hole, in actual applications, also can be set to bar hole or prismatic hole etc. accordingly according to the demand of practical application；2nd, dust
The shape of ring is annular in the present invention, in actual applications, also can be square, fence according to the Demand Design of practical application
The different shapes such as shape, grid, grid-shaped.
After dust ring adsorbs increasing particulate matter, because dust ring 6 is electrically conductive, washable, therefore can be by dust
Ring 6 pulls down washing, removes the particulate matter sticked on dust ring, dries rear reusable.In the present embodiment, support column 1
Upper diameter diminish to form step, the upper end of dust gathering arrester 5 is sheathed on the part that support column 1 diminishes and is placed on step, tightly
Gu nut 14 is sheathed on the part that support column 1 diminishes and coordinated with the screw thread of support column 1, the lower end of clamp nut 14 and dust gathering arrester 5
Upper end abuts dust gathering arrester 5 being locked on support column 1.
When needing cleaning dust ring 6, clamp nut 14 need to only be screwed off, then removed dust gathering arrester 5, finally by dust ring
6 remove and are cleaned.
The advantage of air cleaning system includes in the present embodiment：
1st, producing repulsive force by anion and negative pole bottom plate makes air flow from bottom to top, without being separately provided fan,
Noise is small.
2nd, because negative pole bottom plate and anion emission pin are arranged in upper protective cover and lower protective cover, dust ring is arranged on dust
In ring, can not directly it touch, thus using comparatively safe.
3rd, integral installation is simple, and convenient disassembly during cleaning, dust ring can carry out cleaning and reach reuse purpose, and client makes
It is low with cost.
One of ordinary skill in the art will be appreciated that embodiment described here is to aid in reader and understands this hair
Bright principle, it should be understood that protection scope of the present invention is not limited to such especially statement and embodiment.This area
Those of ordinary skill can make according to these technical inspirations disclosed by the invention various does not depart from the other each of essence of the invention
Plant specific deformation and combine, these deformations and combination are still within the scope of the present invention.
Claims (10)
1. a kind of air cleaning system, it is characterised in that：Including the support column (1) being vertically arranged, the bottom of support column (1) is under
Negative pole bottom plate (2) and mounting ring (3) are up arranged with, anion emission pin (4) is arranged in mounting ring (3)；Support column (1)
Top is provided with dust gathering arrester (5), and the transmitting terminal of the lower ending opening and anion emission pin (4) of dust gathering arrester (5) is oppositely arranged, dust gathering arrester
(5) the electric discharge ring (17) provided with positively charged dust ring (6) and ground connection in, dust ring (6) is located at below electric discharge ring (17), collection
The upper end of dust hood (5) offers air outlet slit (7).
2. air cleaning system according to claim 1, it is characterised in that：Cross is arranged with the support column (1) to consolidate
Determine frame (16) and cross supporting frame (19), dust gathering arrester (5) lower end is connected on cross supporting frame (19), electric discharge ring (17) upper end with
Crisscross fixer (16) clamping, electric discharge ring (17) lower end is connected by felt pad (18) with the upper end of dust ring (6), dust ring
(6) lower end is connected on cross supporting frame (19).
3. air cleaning system according to claim 1, it is characterised in that：The mounting ring (3) is set including concentric
Inner ring (8) and ion needle ring (9), between inner ring (8) and ion needle ring (9) by link (10) be connected, anion emission
Pin (4) is arranged on ion needle ring (9), and inner ring (8) is sheathed on support column (1).
4. air cleaning system according to claim 1, it is characterised in that：Protected below the negative pole bottom plate (2) provided with lower
Upper protective cover (12), the outer rim and lower protective cover (11) of upper protective cover (12) are provided with above shield (11), anion emission pin (4)
Outer rim be connected, upper protective cover (12) upper end offer anion outlet (13).
5. air cleaning system according to claim 4, it is characterised in that：The dust gathering arrester (5), upper protective cover (12) and
Lower protective cover (11) is made by insulating materials.
6. air cleaning system according to claim 1, it is characterised in that：The upper diameter of the support column (1) diminishes
Form step, the upper end of dust gathering arrester (5) is sheathed on the part that support column (1) diminishes and is placed on step, clamp nut (14)
It is sheathed on part that support column (1) diminishes and coordinates with support column (1) screw thread, clamp nut (14) lower end and dust gathering arrester (5)
Upper end is abutted.
7. air cleaning system according to claim 1, it is characterised in that：The bottom of the support column (1) and base
(15) it is connected.
8. air cleaning system according to claim 7, it is characterised in that：Electrostatic generator is provided with the base (15)
And anion generator, the negative pole of electrostatic generator electrically connects with negative pole bottom plate (2), positive pole and the dust ring of electrostatic generator
(6) electrically connect, anion generator is electrically connected with anion emission pin (4).
9. air cleaning system according to claim 1, it is characterised in that：The dust ring (6) and electric discharge ring (17) are
For loop configuration, dust ring (6) and electric discharge ring (17) are arranged along the flow direction of air successively.
10. air cleaning system according to claim 1, it is characterised in that：The support column (1) is hollow-core construction, branch
Dagger (1) is made up of insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710710322.9A CN107327963A (en) | 2017-08-18 | 2017-08-18 | A kind of air cleaning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710710322.9A CN107327963A (en) | 2017-08-18 | 2017-08-18 | A kind of air cleaning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107327963A true CN107327963A (en) | 2017-11-07 |
Family
ID=60224154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710710322.9A Pending CN107327963A (en) | 2017-08-18 | 2017-08-18 | A kind of air cleaning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107327963A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559755A (en) * | 2019-09-29 | 2019-12-13 | 温州浩僧服饰有限公司 | Annular movable air filter element easy to clean |
| CN113294865A (en) * | 2021-05-26 | 2021-08-24 | 江苏弗瑞仕环保科技有限公司 | Long-life plasma disinfection module and air environmental protection disinfecting equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11156233A (en) * | 1997-11-21 | 1999-06-15 | Aiwa Co Ltd | Air cleaning device |
| CN104785369A (en) * | 2015-04-07 | 2015-07-22 | 东莞市三叠环保科技有限公司 | Dust-removing air purifier with double functions of anion sedimentation and high-voltage electrostatic adsorption |
| CN206207585U (en) * | 2016-08-31 | 2017-05-31 | 北京众清科技有限公司 | A kind of negative ion air-cleaner and its safeguard structure |
| CN207050115U (en) * | 2017-08-18 | 2018-02-27 | 成都鑫拓天科技有限公司 | A kind of air cleaning system |
-
2017
- 2017-08-18 CN CN201710710322.9A patent/CN107327963A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11156233A (en) * | 1997-11-21 | 1999-06-15 | Aiwa Co Ltd | Air cleaning device |
| CN104785369A (en) * | 2015-04-07 | 2015-07-22 | 东莞市三叠环保科技有限公司 | Dust-removing air purifier with double functions of anion sedimentation and high-voltage electrostatic adsorption |
| CN206207585U (en) * | 2016-08-31 | 2017-05-31 | 北京众清科技有限公司 | A kind of negative ion air-cleaner and its safeguard structure |
| CN207050115U (en) * | 2017-08-18 | 2018-02-27 | 成都鑫拓天科技有限公司 | A kind of air cleaning system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110559755A (en) * | 2019-09-29 | 2019-12-13 | 温州浩僧服饰有限公司 | Annular movable air filter element easy to clean |
| CN113294865A (en) * | 2021-05-26 | 2021-08-24 | 江苏弗瑞仕环保科技有限公司 | Long-life plasma disinfection module and air environmental protection disinfecting equipment |
| CN113294865B (en) * | 2021-05-26 | 2021-12-21 | 江苏弗瑞仕环保科技有限公司 | Long-life plasma disinfection module and air environmental protection disinfecting equipment |
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