CN109078420A - A kind of air purifier - Google Patents
A kind of air purifier Download PDFInfo
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- CN109078420A CN109078420A CN201811068455.1A CN201811068455A CN109078420A CN 109078420 A CN109078420 A CN 109078420A CN 201811068455 A CN201811068455 A CN 201811068455A CN 109078420 A CN109078420 A CN 109078420A
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- filter plate
- driving motor
- liquid storage
- air purifier
- storage cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/02—Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The present invention provides a kind of air purifiers, belong to clarifier technical field.It may still be blocked after solving existing air purifier filter plate long-time use, need to take out filter plate cleaning, the still imperfect technical problem of not convenient enough and clean-up effect.This air purifier includes shell, liquid storage cylinder, filter plate and for into liquid storage cylinder convey air air pump, several filter openings are offered on filter plate, the bottom of liquid storage cylinder, which has, scrapes stock column, driving motor is equipped with right above the middle part of filter plate, lifting device can drive driving motor to correspond to each stock column of scraping through filter opening, the limit shaft that filter plate annularly and there are three the tools of the inner edge of filter plate extends radially inwards above, the output end of driving motor is fixed with bulb, the surface of bulb has arc chute corresponding with the limit number of axle, the inner edge of filter plate is matched with the surface of bulb and limit shaft is inserted in corresponding arc chute.This air purifier can realize self-cleaning and can ensure cleaning effect.
Description
Technical field
The invention belongs to clarifier technical fields, are related to a kind of air purifier.
Background technique
With the continuous improvement of living standards, requirement of the people to air quality is also being continuously improved, but automobile quantity
It is continuously increased and the raising of industrialized level is so that the usage amount of fossil fuel is being continuously increased leads to small in air
Grain is also being improved comprising amount, these molecules are very easy to, into human respiratory tract's system, cause respiratory tract by breathing
Disease influences the health of human body, so, it is intended that air is purified, guarantees the quality of air, ensures the strong of human body
Health.Currently, various types of air clearing product in the market, for the air purification facility of tiny dust particles in air, work
Make filter screen or filtration core that principle generally passes through superfine, filter the air, and stops or adsorb tiny dust
Grain, for this air purification facility, if the filtering eyelet of filter screen is too big, it will the effect of air cleaning is influenced, so,
The filter screen of this air purification facility or the filtering eyelet of filtration core are generally very fine and closely woven, are easy to blocking, need often more
It changes, improves the use cost of product.
The Chinese patent of application publication number CN105289161A discloses a kind of bubble and crosses ability of swimming air purifier, it is one
There is a filter box in a rectangular body case, has one piece of porous barrier that water tank is separated into two parts up and down, water tank lower part in water tank
The tracheae that enters divided is connected with an air compressor in outside, and water tank upper point has gas outlet to communicate with the outside world, and water tank is additionally provided with
Water-changing tube, air compressor, which injects air into the water of water tank lower bottom part, generates air pocket, and air pocket, which floats, passes through porous barrier
After morcel into greater number of minute bubbles, minute bubbles floating-upward process is discharged after the filtration, purification grit of water from gas outlet.
Above-mentioned air purifier can make the impurity in air sufficiently with solution Contact-sorption, improve clean-up effect,
But still come with some shortcomings: may still be blocked after filter plate long-time use, needs to take out filter plate cleaning, not convenient enough and purification effect
Fruit is still not good enough.Those skilled in the art is to realize that self-cleaning often considers that external mechanical arm, which is arranged, holds the works such as brush
Tool scrubs filter plate, but this apparatus structure is complicated, is unfavorable for space layout.
Summary of the invention
The present invention addresses the above problems in the prior art, provides a kind of air purifier, and the present invention to be solved
The technical issues of be: how to realize the self-cleaning of air purifier.
Object of the invention can be realized by the following technical scheme:
A kind of air purifier, including shell, liquid storage cylinder, filter plate and for into the liquid storage cylinder convey air gas
Pump, the shell fixing sleeve are set to the periphery of the liquid storage cylinder, offer several filter openings on the filter plate, which is characterized in that institute
The top for stating liquid storage cylinder has quantity is corresponding with the filter opening to scrape stock column, and the stock column of scraping is vertically extending and scrape the radial direction of stock column
Size is identical as the radial dimension of the filter opening, and the driving electricity for driving filter plate to rotate is equipped with right above the middle part of the filter plate
Machine, is fixed with lifting device on the shell, and the lifting device can drive driving motor to decline and make each described to scrape stock column
Corresponding to run through the filter opening, the filter plate is annular in shape and the outer rim of the filter plate is matched with the inner sidewall of the liquid storage cylinder, should
The inner edge tool of filter plate is there are three the limit shaft extended radially inwards above, and the output end of the driving motor is fixed with bulb, institute
The surface for stating bulb has arc chute corresponding with the limit number of axle, and the inner edge of the filter plate is matched with the surface of the bulb
And the limit shaft is inserted in the corresponding arc chute, the limit shaft when the driving motor drives filter plate rotating forward
It leans with the inner sidewall of arc chute one end and filter plate is in a horizontal state, the limit when the driving motor drives filter plate reversion
Position axis slides onto lean and filter plate is inclined with the inner sidewall of the arc chute other end.
In a kind of above-mentioned air purifier, the trajectory line of several arc chutes is concentric circular arc line,
The axle center of the arc chute passes through the centre of sphere of the bulb and is acute angle with the angle of vertical direction, several arc chutes
The radian of trajectory line is all the same.
In a kind of above-mentioned air purifier, the driving motor is variable-frequency motor, is equipped with bullet in the arc chute
Property part, the elastic component is located at the inner sidewall of the arc chute other end, when driving motor drives the filter plate to invert when institute
Stating limit shaft can be with the elastic component resilient abutment.
In a kind of above-mentioned air purifier, it is logical that the bottom of the liquid storage cylinder offers the drain extended to outside housing
Road.
In a kind of above-mentioned air purifier, the top of the liquid storage cylinder is equipped with cover board, and the middle part of the cover board has
The output end of through-hole, the driving motor runs through the through-hole.
In a kind of above-mentioned air purifier, the filter opening being arranged circumferentially along filter plate, the lower end of the filter opening
Edge is in flared.
In a kind of above-mentioned air purifier, the lifting device includes vertically arranged cylinder, the cylinder it is upper
End is connected with shell, and the piston rod of the cylinder lower end and the driving motor are connected.
Alternatively, the lifting device includes slide, screw rod and sliding block, and the slide is fixed on the shell
Inner sidewall, the screw rod is vertically arranged and is rotationally connected in slide, and the end of the screw rod is fixed with lifting motor, the cunning
Block and the driving motor are connected and cooperate simultaneously with the wire rod thread, which leans with the slide and can be along slide
It slides up and down.
The cleaning work principle of this air purifier: driving motor stalling, lifting device drive driving motor and filter plate same
When move downward, filter plate is picked out impurity across filter opening with scraping stock column and contact and make to scrape stock column, and then lifting device drives driving
Motor and filter plate, which rise, to be resetted, and driving motor drives filter plate to start to invert, and keeps filter plate simultaneously final inclined around the overturning of bulb surface
Generate pressure between state and solution, high-pressure solution is fallen the impurity block punching for involving at filter opening edge by filter opening, realizes air
The automatically cleaning of clarifier.
Detailed description of the invention
Fig. 1 is the schematic perspective view of air purifier in embodiment one.
Fig. 2 is the schematic diagram of the section structure of filter plate inverted status in embodiment one.
Fig. 3 is that embodiment one conceals the schematic perspective view after shell.
Fig. 4 is the partial structural diagram of liquid storage cylinder.
Fig. 5 is working state schematic representation when filter plate rotates forward.
Working state schematic representation when Fig. 6 is filter plate reversion.
Fig. 7 is the positive structure diagram of bulb.
Fig. 8 is the backsight structural representation of bulb.
Fig. 9 is the schematic perspective view after bulb assembly elastic component.
Figure 10 is the overlooking structure diagram of filter plate.
Figure 11 is the schematic diagram of the section structure of filter plate.
Figure 12 is the schematic perspective view concealed after shell in embodiment two.
In figure, 1, shell；
2, liquid storage cylinder；21, stock column is scraped；22, apocenosis passage；
3, filter plate；31, filter opening；32, limit shaft；
4, air pump；5, driving motor；6, lifting device；
7, bulb；71, arc chute；72, elastic component；
8, cover board；81, through-hole；
9, cylinder；10, slide；11, screw rod；12, sliding block；13, lifting motor.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
Embodiment one:
As Figure 1-10 shows, this air purifier includes shell 1, liquid storage cylinder 2, filter plate 3 and for conveying into liquid storage cylinder 2
The air pump 4 of air, 1 fixing sleeve of shell are set to the periphery of liquid storage cylinder 2, offer several filter openings 31, the top of liquid storage cylinder 2 on filter plate 3
Portion has that quantity is corresponding with filter opening 31 scrapes stock column 21, and it is vertically extending and scrape the radial dimension of stock column 21 and filter opening 31 to scrape stock column 21
Radial dimension it is identical, be equipped with the driving motor 5 for driving filter plate 3 to rotate right above the middle part of filter plate 3, it is fixed on shell 1
There is lifting device 6, lifting device 6 can drive driving motor 5 to decline and correspond to each stock column 21 of scraping through filter opening 31, filter plate
3 annular in shape and filter plate 3 outer rims are matched with the inner sidewall of liquid storage cylinder 2, and there are three above radially inwards for the inner edge tool of filter plate 3
The limit shaft 32 of extension, the outer rim of filter plate 3 reduce overturning resistance, the output end of driving motor 5 is fixed with ball through round corner treatment
First 7, the surface of bulb 7 has arc chute 71 corresponding with 32 quantity of limit shaft, the inner edge of filter plate 3 and the surface phase of bulb 7
Cooperate and limit shaft 32 is inserted in corresponding arc chute 71, limit shaft 32 and arc when driving motor 5 drives filter plate 3 to rotate forward
The inner sidewall of 71 one end of shape sliding slot leans and filter plate 3 is in a horizontal state, the limit shaft when driving motor 5 drives filter plate 3 to invert
32 slide onto and lean with the inner sidewall of 71 other end of arc chute and filter plate 3 is inclined.Liquid storage cylinder 2 can for storing
The solution of clean air, shell 1 are located at for protecting whole device outside liquid storage cylinder 2, and liquid storage cylinder 2 can be divided by filter plate 3
Upper layer and lower layer, such air pump 4 is by extraneous air pressurized sucking liquid storage cylinder 2, and in 2 bottom of liquid storage cylinder, the air pocket of generation is upward
It floats to escape from from the filter opening 31 of small size after encountering filter plate 3 and becomes minute bubbles, impurity particle and solution in this way in raising bubble
The chance of contact, to realize air cleaning, the air after final purification is discharged from the opening on shell 1.By in filter plate 3
Top setting is able to drive filter plate 3 and horizontally rotates driving motor 5, and such air pocket filter plate 3 during passing through filter opening 31 is horizontal
The bubble being adhered by tension is further cut off to movement, keeps the bubble through filter hole 31 more small, improves clean-up effect, lead to
It crosses that position is arranged in the bottom in liquid storage cylinder 2 and quantity is corresponding with filter opening 31 scrapes stock column 21, and is arranged on shell 1 and can drive drive
The lifting device 6 that dynamic motor 5 moves up and down is closed in this way when needing to clear up the impurity waste material adhered in filter opening 31
Driving motor 5, control lifting device 6 drive driving motor 5 and filter plate 3 to move downward, and make to scrape stock column 21 and correspond to run through filter opening 31,
Since the radial dimension for scraping stock column 21 is identical as the radial dimension of filter opening 31, the end of stock column 21 is scraped in this way along the inside of filter opening 31
The impurity that wall will exceed entirely is rejected, and realizes that cleaning avoids filter plate 3 from blocking；Lifting device 6 includes vertically arranged cylinder 9, gas
The upper end of cylinder 9 and shell 1 are connected, and the piston rod and driving motor 5 of 9 lower end of cylinder are connected.Driving electricity is driven by setting cylinder 9
5 oscilaltion of machine, structure is simplified and efficiency of movement is high.Subsequent lifting device 6 drives driving motor 5 to rise reset, passes through setting
Three limit shafts 32 are arranged in a ring and in inner edge in filter plate 3, and bulb 7 is arranged in the output end of driving motor 5, in 7 table of bulb
Three arc chutes 71 are arranged in face, are inserted in limit shaft 32 in corresponding limit sliding chutes, one end of each arc chute 71 is equal
It was located in the horizontal plane of the centre of sphere, and 71 other end of each arc chute is respectively positioned in the same clinoplain for crossing the centre of sphere, if making
The corresponding points of dry 71 trajectory line of arc chute are respectively positioned in the same plane for crossing the centre of sphere, and the trajectory line of three arc chutes 71 is
Concentric circular arc line, the axle center of arc chute 71 pass through the centre of sphere of bulb 7 and are acute angle, three arcs with the angle of vertical direction
The radian of the trajectory line of shape sliding slot 71 is all the same, and the track of guarantee arc chute 71 in this way is most short, enables limit shaft 32 in arc
Smooth sliding in shape sliding slot 71 avoids stuck, guarantee cleaning effect and service life.In this way when motor drives bulb 7 towards one
When direction rotates, filter plate 3 produces relative sliding limit shaft 32 with arc chute 71 by self inertia effect, can make limit shaft
32 slide onto one end that arc chute 71 was located in centre of sphere horizontal plane, are formed in this way and limit and guarantee that filter plate 3 cuts bubble
Effect is cut, when motor drives bulb 7 to rotate in the opposite direction, limit shaft 32 makes along the opposite sliding of smooth arc chute 71
Gradually yaw tilt, final limit shaft 32 are another in centre of sphere inclined-plane against crossing to arc chute 71 along 7 surface of bulb for filter plate 3
Stable heeling condition is held and keeps, the pressure that such filter plate 3 is generated in rotation by the solution in liquid storage cylinder 2 makes solution
High speed breaks through the filter opening 31 through scraping the cleaning of stock column 21, and the impurity block that 31 edge of filter opening is still sticked to after scraping individually is swept away, in this way
This air purifier, which can first pass through, scrapes the slightly cleaning of stock column 21, is then turned to by control driving motor 5 and realizes further cleaning,
Structure is simplified without disassembly, and the automatically cleaning of air purifier is realized.For further, driving motor 5 is variable-frequency motor, arc
Elastic component 72 is equipped in sliding slot 71, elastic component 72 is rubber block and is connected with the inner sidewall of arc chute 71 that elastic component 72 is located at
At the inner sidewall of 71 other end of arc chute, when driving motor 5 drives filter plate 3 to invert, limit shaft 32 can be with 72 elasticity of elastic component
Against.By the way that elastic component 72 is arranged at the other end of arc chute 71, limit shaft 32 can be in reversion for such driving motor 5
Elastic component 72 first contacts, and thus is avoided that the rigid collision of limit shaft 32, improves the service life；Setting driving motor 5 is variable-frequency motor, this
Sample can be realized the bounce of 5 speed cycle of driving motor, and when revolving speed is high, the deformation extent of elastic component 72 is bigger, and filter plate 3
Inclined degree is also bigger, and when reducing revolving speed, elastic component 72 gradually resets, and the inclined degree of filter plate 3 becomes smaller, such driving motor 5
Speed cycle changes, and filter plate 3 is enable to generate periodic oscillations, can shake off the impurity still involved after thick cleaning, improve clear
Manage effect.
As shown in Figure 1-3, the bottom of liquid storage cylinder 2 offers the apocenosis passage 22 extended to outside housing.By in liquid storage cylinder 2
Bottom be provided with the apocenosis passage 22 of control valve, can will be in liquid storage cylinder 2 by operation control valve when needing replacing solution
Waste liquid discharge and simultaneously by bottom accumulate impurity take out of.
As shown in Figure 2 and Figure 3, the top of liquid storage cylinder 2 is equipped with cover board 8, and the middle part of cover board 8 has through-hole 81, driving motor 5
Output end run through through-hole 81.The upper end opening is closed by the way that cover board 8 is arranged at the top of liquid storage cylinder 2, in this way when driving electricity
Machine 5 drives filter plate 3 to be not easy to avoid impacting internal wiring with overflowing from liquid storage cylinder 2 solution is turned over and gushed when inverting, and leads to
The through-hole 81 that setting allows 5 output end of driving motor to pass through in the middle part of cover board 8 is crossed, purified air is can be achieved at the same time and escapes
Out.
As shown in figure 11, being arranged circumferentially along filter plate 3 of filter opening 31, the lower edge of filter opening 31 are in flared.It is logical
The lower edge of setting filter opening 31 is crossed in flared, guiding and limit can be provided to be floated to the air pocket at filter plate 3, improved
Furthermore being arranged circumferentially along filter plate 3 of filter opening 31 is arranged in its efficiency through filter hole 31, in this way when slightly being cleared up,
Need not strict control filter plate 3 rotational angle position, when the decline of filter plate 3 gradually with scrape when stock column 21 contacts meeting and scraper at flaring
Voluntarily adjustment filter plate 3 rotates the cooperation of column 21, makes to scrape stock column 21 and is properly inserted in filter opening 31, realizes cleaning.
Embodiment two:
As shown in figure 12, the present embodiment is basically the same as the first embodiment, the difference is that: lifting device 6 includes slide
10, screw rod 11 and sliding block 12, slide 10 are fixed on the inner sidewall of shell 1, and screw rod 11 is vertically arranged and is rotationally connected with slide 10
Interior, the end of screw rod 11 is fixed with lifting motor 13, and sliding block 12 is connected with driving motor 5 and is threadedly engaged simultaneously with screw rod 11,
Sliding block 12 leans with slide 10 and can slide up and down along slide 10.Driving motor 5 is driven by setting screw rod 11 and sliding block 12
Lifting, operation precision are higher.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (8)
1. a kind of air purifier, including shell (1), liquid storage cylinder (2), filter plate (3) and for the conveying into the liquid storage cylinder (2)
The air pump (4) of air, shell (1) fixing sleeve be set to the liquid storage cylinder (2) periphery, the filter plate (3) if on offer
Dry filter opening (31), which is characterized in that the top of the liquid storage cylinder (2) has that quantity is corresponding with the filter opening (31) scrapes stock column
(21), the stock column (21) of scraping is vertically extending and scrape the radial dimension phase of the radial dimension of stock column (21) with the filter opening (31)
Together, the driving motor (5) for driving filter plate (3) to rotate is equipped with right above the middle part of the filter plate (3), on the shell (1)
It is fixed with lifting device (6), the lifting device (6) can drive driving motor (5) to decline and make each described to scrape stock column (21)
It is corresponding to run through the filter opening (31), the filter plate (3) is annular in shape and the outer rim of the filter plate (3) and the liquid storage cylinder (2) it is interior
Side wall matches, and there are three the limit shaft (32) extended radially inwards above, the driving motors for the inner edge tool of the filter plate (3)
(5) output end is fixed with bulb (7), and the surface of the bulb (7) has arc chute corresponding with limit shaft (32) quantity
(71), the inner edge of the filter plate (3) matched with the surface of the bulb (7) and the limit shaft (32) be inserted in it is corresponding described
In arc chute (71), the limit shaft (32) and arc chute (71) when the driving motor (5) drive filter plate (3) rotating forward
The inner sidewall of one end leans and filter plate (3) is in a horizontal state, the limit when the driving motor (5) drives filter plate (3) reversion
Position axis (32) slides onto lean and filter plate (3) is inclined with the inner sidewall of arc chute (71) other end.
2. air purifier according to claim 1, which is characterized in that the trajectory line of several arc chutes (71) is equal
The centre of sphere (7) and the angle with vertical direction for passing through the bulb for concentric circular arc line, the axle center of the arc chute (71)
Radian for acute angle, the trajectory line of several arc chutes (71) is all the same.
3. air purifier according to claim 1, which is characterized in that the driving motor (5) is variable-frequency motor, described
Elastic component (72) are equipped in arc chute (71), the elastic component (72) is located at the inner sidewall of arc chute (71) other end
Place, when driving motor (5) drive the filter plate (3) reversion, the limit shaft (32) can be with elastic component (72) resilient abutment.
4. air purifier according to claim 1 or 2 or 3, which is characterized in that the bottom of the liquid storage cylinder (2) opens up
There is the apocenosis passage (22) extended to outside housing.
5. air purifier according to claim 1 or 2 or 3, which is characterized in that the top of the liquid storage cylinder (2) is equipped with
The middle part of cover board (8), the cover board (8) has through-hole (81), and the output end of the driving motor (5) runs through the through-hole
(81)。
6. air purifier according to claim 1 or 2 or 3, which is characterized in that the filter opening (31) is along filter plate (3)
Be arranged circumferentially, the lower edge of the filter opening (31) is in flared.
7. air purifier according to claim 1 or 2 or 3, which is characterized in that the lifting device (6) includes vertical
The cylinder (9) of setting, the upper end and shell (1) of the cylinder (9) are connected, the piston rod of cylinder (9) lower end and the driving
Motor (5) is connected.
8. air purifier according to claim 1 or 2 or 3, which is characterized in that the lifting device (6) includes slide
(10), screw rod (11) and sliding block (12), the slide (10) are fixed on the inner sidewall of the shell (1), and the screw rod (11) is perpendicular
To being arranged and being rotationally connected in slide (10), the end of the screw rod (11) is fixed with lifting motor (13), the sliding block (12)
It is connected and is threadedly engaged simultaneously with the screw rod (11), the sliding block (12) and the slide (10) phase with the driving motor (5)
Against and can be slided up and down along slide (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068455.1A CN109078420B (en) | 2018-09-13 | 2018-09-13 | Air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811068455.1A CN109078420B (en) | 2018-09-13 | 2018-09-13 | Air purifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109078420A true CN109078420A (en) | 2018-12-25 |
| CN109078420B CN109078420B (en) | 2020-11-17 |
Family
ID=64841640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811068455.1A Active CN109078420B (en) | 2018-09-13 | 2018-09-13 | Air purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109078420B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076544A (en) * | 2019-06-13 | 2020-12-15 | 广东美的制冷设备有限公司 | Screen assembly, air purification device and air conditioner |
| CN112206602A (en) * | 2020-10-23 | 2021-01-12 | 赵静 | High pulse dust collector of security |
| CN114653157A (en) * | 2022-03-21 | 2022-06-24 | 大唐华银电力股份有限公司耒阳分公司 | Waste gas treatment device of thermal power factory |
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| CN205369509U (en) * | 2016-02-29 | 2016-07-06 | 李燕 | Hair device is prevented with easy clearance to floor drain |
| CN107413139A (en) * | 2017-08-09 | 2017-12-01 | 安徽理工大学 | One kind pollution sustainable cleaner of air |
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| JPH0866610A (en) * | 1994-08-29 | 1996-03-12 | Motoda Electron Co Ltd | Suction type gas filter |
| JPH09155138A (en) * | 1995-12-05 | 1997-06-17 | Hirata Kyogyo Kumiai | Gas filter |
| EP0951856A2 (en) * | 1998-04-23 | 1999-10-27 | Vittorio Capraro | Suction device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112076544A (en) * | 2019-06-13 | 2020-12-15 | 广东美的制冷设备有限公司 | Screen assembly, air purification device and air conditioner |
| CN112076544B (en) * | 2019-06-13 | 2021-10-26 | 广东美的制冷设备有限公司 | Screen assembly, air purification device and air conditioner |
| CN112206602A (en) * | 2020-10-23 | 2021-01-12 | 赵静 | High pulse dust collector of security |
| CN112206602B (en) * | 2020-10-23 | 2022-03-18 | 威尔登环保设备（长沙）有限公司 | High pulse dust collector of security |
| CN114653157A (en) * | 2022-03-21 | 2022-06-24 | 大唐华银电力股份有限公司耒阳分公司 | Waste gas treatment device of thermal power factory |
| CN114653157B (en) * | 2022-03-21 | 2023-12-19 | 大唐华银电力股份有限公司耒阳分公司 | Exhaust treatment device of thermal power factory |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109078420B (en) | 2020-11-17 |
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