CN209696578U - A kind of electrostatic dust removal filter case with reduction noise - Google Patents
A kind of electrostatic dust removal filter case with reduction noise Download PDFInfo
- Publication number
- CN209696578U CN209696578U CN201920222377.XU CN201920222377U CN209696578U CN 209696578 U CN209696578 U CN 209696578U CN 201920222377 U CN201920222377 U CN 201920222377U CN 209696578 U CN209696578 U CN 209696578U
- Authority
- CN
- China
- Prior art keywords
- movably installed
- cabinet
- rose box
- chamber
- active carbon
- 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.)
- Expired - Fee Related
Links
- 239000000428 dust Substances 0.000 title claims abstract description 34
- 241000220317 Rosa Species 0.000 claims abstract description 51
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 46
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 230000000694 effects Effects 0.000 claims description 20
- 239000003610 charcoal Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 238000010992 reflux Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 22
- 150000002500 ions Chemical class 0.000 description 12
- 241000894006 Bacteria Species 0.000 description 9
- 238000004140 cleaning Methods 0.000 description 9
- 230000005684 electric field Effects 0.000 description 9
- 238000001914 filtration Methods 0.000 description 9
- 239000002245 particle Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 230000007935 neutral effect Effects 0.000 description 6
- 238000005367 electrostatic precipitation Methods 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 210000002421 cell wall Anatomy 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000005686 electrostatic field Effects 0.000 description 3
- 102000004169 proteins and genes Human genes 0.000 description 3
- 108090000623 proteins and genes Proteins 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 241000959718 Rosa arvensis Species 0.000 description 1
- 235000004097 Rosa arvensis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
Landscapes
- Electrostatic Separation (AREA)
Abstract
The utility model discloses a kind of with the electrostatic dust removal filter case for reducing noise, including cabinet, the side of the cabinet is fixedly installed with supplying air bin, and the other side of cabinet is fixedly installed with wind chamber, the interior side of the cabinet is movably installed with filter screen, and filter screen is movably installed with ionisation chamber far from the side of supplying air bin, the ionisation chamber is movably installed with active carbon Rose Box far from the side of supplying air bin, and active carbon Rose Box is movably installed with close to the side of wind chamber except wet tank, described remove is movably installed with blower fan between wet tank and wind chamber, the lower end outer surface of the cabinet is movably installed with electric wire close to the side of wind chamber, and the lower end of electric wire is movably installed with plug.The utility model clears up the present apparatus using fresh air reflux to Rose Box inside in use by being provided with a series of structure, clears up without mutual disassembly, can take out the moisture in exhaust gas, improve New atmosphere quality, optimizes use process.
Description
Technical field
It is specially a kind of with the electrostatic precipitation for reducing noise the utility model relates to electrostatic dust removal filter case technical field
Rose Box.
Background technique
Electrostatic precipitation is a kind of method of dedusting, past to be usually used at using coal as flue gases such as the factories of fuel and power station
Reason also uses its dust cleaning and sterilizing in existing family, but the existing electrostatic dust removal filter case structure with reduction noise is simple, and mistake
Filter box internal cleaning is troublesome, and the floating ash being attached to inside Rose Box in scale removal process can be also scattering into air, can not be to useless
Moisture in gas is handled, and causes New atmosphere quality poor, reduces the service performance of device.
Utility model content
The purpose of this utility model is to provide a kind of with the electrostatic dust removal filter case for reducing noise, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of with the electrostatic precipitation for reducing noise
Rose Box, including cabinet, the side of the cabinet is fixedly installed with supplying air bin, and the other side of cabinet is fixedly installed with outlet air
Storehouse, the interior side of the cabinet is movably installed with filter screen, and filter screen is movably installed with ionization far from the side of supplying air bin
Case, the ionisation chamber is movably installed with active carbon Rose Box far from the side of supplying air bin, and active carbon Rose Box is close to wind chamber
Side be movably installed with except wet tank, it is described except being movably installed with blower fan, the lower end of the cabinet between wet tank and wind chamber
Outer surface is movably installed with electric wire close to the side of wind chamber, and the lower end of electric wire is movably installed with plug, under the cabinet
The position that end outer surface corresponds to filter screen, ionisation chamber and active carbon Rose Box is movably installed with ash bucket.
By using above-mentioned technical proposal, Rose Box inside is cleared up using fresh air reflux, it is clear without mutual disassembly
Reason can take out the moisture in exhaust gas, improve New atmosphere quality, optimize use process.
Preferably, the upper end outer surface except wet tank is movably installed with backwind tube, and return air close to the side of blower fan
The position that the lower end outer surface of pipe corresponds to filter screen, ionisation chamber and active carbon Rose Box is movably installed with isocon.
By using above-mentioned technical proposal, case is discharged by wind chamber by blower fan in part fresh air after dedusting filtering
Body, another part fresh air enter in backwind tube, respectively enter filter screen, ionisation chamber and active carbon Rose Box by each isocon
In recoil, the dust being attached on filter screen, ionisation chamber and active carbon Rose Box is blown down, thus to filter screen, ionization
Case and active carbon Rose Box are cleaned, and are taken out filter screen, ionisation chamber and active carbon Rose Box without opening cabinet, are avoided
The dust being attached on filter screen, ionisation chamber and active carbon Rose Box when cleaning is scattering into air.
Preferably, the interior lower end except wet tank is movably installed with water tank, and the upper end outer surface of water tank is close to activity
The side of charcoal Rose Box is movably installed with cold plate, the upper end outer surface of the water tank be located at active carbon Rose Box and cold plate it
Between offer water guide mouth, the cold plate and except offering wind guide chamber between the upper end inner surface of wet tank.
By using above-mentioned technical proposal, the gas after dust removal and filtration is entered except contacting in wet tank with cold plate, is condensed
Moisture in fresh air is condensed into water droplet by plate, and water droplet has water guide mouth to enter in water tank, the fresh air after dehumidifying by wind guide chamber by
Wind chamber discharge, improves New atmosphere quality.
Preferably, the interior side upper end Yu middle position of the ionisation chamber are movably installed with cathode ionization block, and electricity
Interior side lower end from case is movably installed with anode ionization block, and the inside other side of the ionisation chamber is movably installed with dust
Plate.
By using above-mentioned technical proposal, anode ionization block combines to form electrostatic field with cathode ionization block, to make sky
Gas molecule ionization in gas, generates a large amount of electronics and ion, mobile to the two poles of the earth under the action of electric field force, in moving process
The dust particles and bacterium encountered in air-flow keep its charged, electrically charged particle pole plate opposite to own charge under electric field force effect
It takes exercises, under electric field action, the free ion in air is mobile to the two poles of the earth, when they hit the neutral atom in air,
Neutral atom can resolve into positive and negative ion, after air ionization, due to chain reaction, greatly increase in the number of ions of interpolar movement,
The electric current for showing as interpolar sharply increases, and for air at conductor, high strong voltage captures subsidiary bacteria particles, instant conductive breakdown by
The cell wall of protein composition, reaches and kills bacterium, be then adsorbed onto dedusting on collecting plate.
Preferably, the model BS-250 of the blower fan.
By using above-mentioned technical proposal, dedusting gas will be needed to be drawn into dust cleaning case using blower fan, after dedusting
It is discharged again by wind chamber.
Preferably, the output end of the plug is electrically connected the input terminal of blower fan.
By using above-mentioned technical proposal, power supply is connected by plug and provides power for blower fan.
In conclusion the utility model has the following beneficial effects:
1, backwind tube, the lower end appearance of backwind tube are movably installed with close to the side of blower fan except the upper end outer surface of wet tank
The position that face corresponds to filter screen, ionisation chamber and active carbon Rose Box is movably installed with isocon, part after dedusting filtering
Cabinet is discharged by wind chamber by blower fan in fresh air, and another part fresh air enters in backwind tube, by each isocon respectively into
Enter and recoil in filter screen, ionisation chamber and active carbon Rose Box, will be attached on filter screen, ionisation chamber and active carbon Rose Box
Dust blow down, to be cleaned to filter screen, ionisation chamber and active carbon Rose Box, without opening cabinet for filter screen, electricity
It is taken out from case and active carbon Rose Box, avoids the dust being attached on filter screen, ionisation chamber and active carbon Rose Box when cleaning
It is scattering into air；
2, except the interior lower end of wet tank is movably installed with water tank, the upper end outer surface of water tank is close to the one of active carbon Rose Box
Side is movably installed with cold plate, and the upper end outer surface of water tank offers water guide mouth between active carbon Rose Box and cold plate,
Cold plate and except offering wind guide chamber between the upper end inner surface of wet tank, the gas after dust removal and filtration enter except in wet tank with it is cold
Moisture in fresh air is condensed into water droplet by solidifying plate contact, cold plate, and water droplet is entered in water tank by water guide mouth, the fresh air after dehumidifying
It is discharged by wind guide chamber by wind chamber, improves New atmosphere quality.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the ionisation chamber structural schematic diagram of the utility model；
Fig. 3 is the dehumidifying box structure schematic diagram of the utility model.
In figure: 1, cabinet；2, supplying air bin；3, wind chamber；4, filter screen；5, ionisation chamber；6, active carbon Rose Box；7, it dehumidifies
Case；8, blower fan；9, ash bucket；10, electric wire；11, plug；12, cathode ionizes block；13, anode ionization block；14, collecting plate；71,
Water tank；72, water guide mouth；73, cold plate；74, wind guide chamber；81, backwind tube；82, isocon.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be noted that term " on ", "lower", "inner", "outside" " front end ", " after
The orientation or positional relationship of the instructions such as end ", " both ends ", " one end ", " other end " is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition,
Term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " being provided with ", " connection " etc., shall be understood in a broad sense, such as " connection ", may be a fixed connection, be also possible to detachably connect
It connects, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, intermediate matchmaker can also be passed through
Jie is indirectly connected, and can be the connection inside two elements.It for the ordinary skill in the art, can be with concrete condition
Understand the concrete meaning of above-mentioned term in the present invention.
Please refer to Fig. 1-3, a kind of embodiment provided by the utility model: a kind of tool reduces the electrostatic precipitation filtering of noise
Supplying air bin 2 is fixedly mounted by the side of cabinet 1 in case, including cabinet 1, and wind chamber 3, cabinet is fixedly mounted in the other side of cabinet 1
Filter screen 4 is installed in 1 interior side activity, and filter screen 4 installs ionisation chamber 5 far from the side activity of supplying air bin 2, and ionisation chamber 5 is remote
Active carbon Rose Box 6 is installed in side activity from supplying air bin 2, and active carbon Rose Box 6 is removed close to the side activity installation of wind chamber 3
Wet tank 7, except activity installation blower fan 8 between wet tank 7 and wind chamber 3, the lower end outer surface of cabinet 1 is close to the side of wind chamber 3
Plug 11 is installed in activity installation electric wire 10, the lower end activity of electric wire 10, and the lower end outer surface of cabinet 1 corresponds to filter screen 4, ionisation chamber
5 and active carbon Rose Box 6 position activity installation ash bucket 9, plug 11 connect power supply be blower fan 8 power, blower fan 8 are provided
Gas is drawn into cabinet 1 by supplying air bin 2, gas is filtered by filter screen 4, ionisation chamber 5 and active carbon Rose Box 6, mistake
Dust after filter is fallen into ash bucket 9, and then gas enters except dehumidifying in wet tank 7, is finally discharged by wind chamber 3, optimization makes
Use process.
Further, backwind tube 81, backwind tube 81 are installed in the side activity except the upper end outer surface of wet tank 7 close to blower fan 8
Lower end outer surface correspond to filter screen 4, ionisation chamber 5 and active carbon Rose Box 6 position activity installation isocon 82, gas removes
Cabinet 1 is discharged by wind chamber 3 by blower fan 8 in part fresh air after dirt filtering, and another part fresh air enters in backwind tube 81, passes through
Each isocon 82 respectively enters to recoil in filter screen 4, ionisation chamber 5 and active carbon Rose Box 6, will be attached to filter screen 4,
Dust on ionisation chamber 5 and active carbon Rose Box 6 is blown down, to carry out clearly to filter screen 4, ionisation chamber 5 and active carbon Rose Box 6
It washes, filter screen 4, ionisation chamber 5 and active carbon Rose Box 6 is taken out without opening cabinet 1, are attached to filter screen when avoiding cleaning
4, the dust on ionisation chamber 5 and active carbon Rose Box 6 is scattering into air.
Further, except water tank 71 is installed in the interior lower end activity of wet tank 7, the upper end outer surface of water tank 71 is close to active carbon mistake
Cold plate 73 is installed in the side activity of filter box 6, and the upper end outer surface of water tank 71 is between active carbon Rose Box 6 and cold plate 73
Open up water guide mouth 72, cold plate 73 and except opening up wind guide chamber 74 between the upper end inner surface of wet tank 7, the gas after dust removal and filtration into
Enter to except being contacted with cold plate 73 in wet tank 7, the moisture in fresh air is condensed into water droplet by cold plate 73, water droplet by water guide mouth 72 into
Enter into water tank 71, the fresh air after dehumidifying is discharged by wind guide chamber 74 by wind chamber 3, and New atmosphere quality is improved.
Further, the interior side upper end Yu middle position of ionisation chamber 5 activity installation cathode ionize block 12, ionisation chamber 5
Interior side lower end activity installation anode ionization block 13, the inside other side activity of ionisation chamber 5 installs collecting plate 14, anode electricity
It combines to form electrostatic field with cathode ionization block 12 from block 13, so that the gas molecule in air be made to ionize, generates a large amount of electronics
And ion, mobile to the two poles of the earth under the action of electric field force, the dust particles and bacterium encountered in air-flow in moving process make it
Charged, electrically charged particle is taken exercises under electric field force effect to the opposite pole plate of own charge, under electric field action, in air from
Mobile to the two poles of the earth from ion, when they hit the neutral atom in air, neutral atom can resolve into positive and negative ion, air
After ionization, due to chain reaction, greatly increased in the number of ions of interpolar movement, the electric current for showing as interpolar sharply increases, air
At conductor, high strong voltage captures subsidiary bacteria particles, and instant conductive punctures the cell wall being made of protein, and it is thin to reach killing
Then bacterium is adsorbed onto dedusting on collecting plate 14.
Further, the model BS-250 of blower fan 8 will need dedusting gas to be drawn into dust cleaning case using blower fan 8, warp
It crosses after dedusting and is discharged again by wind chamber 3.
Further, the output end of plug 11 is electrically connected the input terminal of blower fan 8, and connecting power supply by plug 11 is air draught
Fan 8 provides power.
It should be noted that the utility model is a kind of with the electrostatic dust removal filter case for reducing noise, when use, passes through
Plug 11 connects the blower fan 8 that power supply is model BS-250 and provides power, and gas is drawn into case by supplying air bin 2 by blower fan 8
In body 1, gas is filtered by filter screen 4, by contaminant filters such as hairs in gas, then into carrying out in ionisation chamber 5
It ionizes, the anode ionization block 13 in ionisation chamber 5 combines to form electrostatic field with cathode ionization block 12, to make the gas in air
Molecular ionization generates a large amount of electronics and ion, mobile to the two poles of the earth under the action of electric field force, encounters in air-flow in moving process
Dust particles and bacterium keep its charged, electrically charged particle is taken exercises under electric field force effect to the opposite pole plate of own charge, In
Under electric field action, the free ion in air is mobile to the two poles of the earth, when they hit the neutral atom in air, neutral atom meeting
It resolves into positive and negative ion, after air ionization, due to chain reaction, is greatly increased in the number of ions of interpolar movement, show as interpolar
Electric current sharply increase, for air at conductor, high strong voltage captures subsidiary bacteria particles, and instant conductive breakdown is made of protein
Cell wall, reach kill bacterium, be then adsorbed onto dedusting on collecting plate 14, then gas pass through active carbon Rose Box 6 into one
Step filtering, the nuisances such as formaldehyde in the adsorbable gas of active carbon Rose Box 6, then gas enters the dedusting except in wet tank 7
Gas after filter is entered except contacting in wet tank 7 with cold plate 73, and the moisture in fresh air is condensed into water droplet, water droplet by cold plate 73
It is entered in water tank 71 by water guide mouth 72, the fresh air after dehumidifying is discharged by wind guide chamber 74 by wind chamber 3, and fresh air matter is improved
Amount, cabinet 1 is discharged by wind chamber 3 by blower fan 8 in part fresh air after dedusting filtering, and another part fresh air enters backwind tube
In 81, is respectively enterd in filter screen 4, ionisation chamber 5 and active carbon Rose Box 6 and recoiled by each isocon 82, will adhered to
Dust on filter screen 4, ionisation chamber 5 and active carbon Rose Box 6 is blown down, thus to filter screen 4, ionisation chamber 5 and active carbon mistake
Filter box 6 is cleaned, and is taken out filter screen 4, ionisation chamber 5 and active carbon Rose Box 6 without opening cabinet 1, when avoiding cleaning
The dust being attached on filter screen 4, ionisation chamber 5 and active carbon Rose Box 6 is scattering into air, filter screen 4, ionisation chamber 5 and work
Property the filtered dust of charcoal Rose Box 6 and impurity fall into ash bucket 9, filter screen 4, active carbon Rose Box 6, removes wet tank at ionisation chamber 5
7 and blower fan 8 formed and be mounted as a whole on the inside of cabinet 1, reduce the fixation of screw, cabinet 1 is stronger to be not susceptible to pine
Dynamic, vibration is smaller when blower fan 8 works, to reduce the noise generated when dust cleaning case work, effectively increases the function of its own
Energy property, it is more practical.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
Claims (6)
1. a kind of with the electrostatic dust removal filter case for reducing noise, including cabinet (1), it is characterised in that: the one of the cabinet (1)
Side is fixedly installed with supplying air bin (2), and the other side of cabinet (1) is fixedly installed with wind chamber (3), the inside of the cabinet (1)
Side is movably installed with filter screen (4), and filter screen (4) is movably installed with ionisation chamber (5), institute far from the side of supplying air bin (2)
It states ionisation chamber (5) to be movably installed with active carbon Rose Box (6) far from the side of supplying air bin (2), and active carbon Rose Box (6) is close
The side of wind chamber (3) is movably installed with except wet tank (7), and described remove is movably installed with air draught between wet tank (7) and wind chamber (3)
It fans (8), the lower end outer surface of the cabinet (1) is movably installed with electric wire (10) close to the side of wind chamber (3), and electric wire (10)
Lower end be movably installed with plug (11), the lower end outer surface of the cabinet (1) corresponds to filter screen (4), ionisation chamber (5) and activity
The position of charcoal Rose Box (6) is movably installed with ash bucket (9).
2. according to claim 1 a kind of with the electrostatic dust removal filter case for reducing noise, it is characterised in that: the dehumidifying
The upper end outer surface of case (7) is movably installed with backwind tube (81) close to the side of blower fan (8), and outside the lower end of backwind tube (81)
The position that surface corresponds to filter screen (4), ionisation chamber (5) and active carbon Rose Box (6) is movably installed with isocon (82).
3. according to claim 1 a kind of with the electrostatic dust removal filter case for reducing noise, it is characterised in that: the dehumidifying
The interior lower end of case (7) is movably installed with water tank (71), and the upper end outer surface of water tank (71) is close to active carbon Rose Box (6)
Side is movably installed with cold plate (73), and the upper end outer surface of the water tank (71) is located at active carbon Rose Box (6) and cold plate
(73) it is offered between water guide mouth (72), offers wind-guiding between the cold plate (73) and the upper end inner surface for removing wet tank (7)
Chamber (74).
4. according to claim 1 a kind of with the electrostatic dust removal filter case for reducing noise, it is characterised in that: the ionization
The interior side upper end and middle position of case (5) are movably installed with cathode ionization block (12), and the interior side of ionisation chamber (5)
Lower end is movably installed with anode ionization block (13), and the inside other side of the ionisation chamber (5) is movably installed with collecting plate (14).
5. according to claim 1 a kind of with the electrostatic dust removal filter case for reducing noise, it is characterised in that: the air draught
Fan the model BS-250 of (8).
6. according to claim 1 a kind of with the electrostatic dust removal filter case for reducing noise, it is characterised in that: the plug
(11) output end is electrically connected the input terminal of blower fan (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920222377.XU CN209696578U (en) | 2019-02-22 | 2019-02-22 | A kind of electrostatic dust removal filter case with reduction noise |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920222377.XU CN209696578U (en) | 2019-02-22 | 2019-02-22 | A kind of electrostatic dust removal filter case with reduction noise |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209696578U true CN209696578U (en) | 2019-11-29 |
Family
ID=68642069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920222377.XU Expired - Fee Related CN209696578U (en) | 2019-02-22 | 2019-02-22 | A kind of electrostatic dust removal filter case with reduction noise |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209696578U (en) |
-
2019
- 2019-02-22 CN CN201920222377.XU patent/CN209696578U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |