CN207237576U - A kind of electric automatization dust-extraction unit - Google Patents
A kind of electric automatization dust-extraction unit Download PDFInfo
- Publication number
- CN207237576U CN207237576U CN201720982695.7U CN201720982695U CN207237576U CN 207237576 U CN207237576 U CN 207237576U CN 201720982695 U CN201720982695 U CN 201720982695U CN 207237576 U CN207237576 U CN 207237576U
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- China
- Prior art keywords
- chamber
- water
- extraction unit
- electric automatization
- dust
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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.)
- Expired - Fee Related
Links
- 238000000605 extraction Methods 0.000 title claims abstract description 27
- 238000005192 partition Methods 0.000 claims abstract description 25
- 238000000746 purification Methods 0.000 claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 98
- 239000007788 liquid Substances 0.000 claims description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 12
- 238000000889 atomisation Methods 0.000 claims description 10
- 239000011941 photocatalyst Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 17
- 239000007921 spray Substances 0.000 abstract description 9
- 239000000428 dust Substances 0.000 abstract description 8
- 230000036541 health Effects 0.000 abstract description 5
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003546 flue gas Substances 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000002341 toxic gas Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000001914 filtration Methods 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 241000193830 Bacillus <bacterium> Species 0.000 description 2
- 150000001450 anions Chemical class 0.000 description 2
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000001473 noxious effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 208000035240 Disease Resistance Diseases 0.000 description 1
- 241000589517 Pseudomonas aeruginosa Species 0.000 description 1
- 241000191967 Staphylococcus aureus Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009298 carbon filtering Methods 0.000 description 1
- 210000003169 central nervous system Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 210000002429 large intestine Anatomy 0.000 description 1
- 230000004199 lung function Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009288 screen filtration Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Landscapes
- Separation Of Particles Using Liquids (AREA)
Abstract
The utility model belongs to technical field of dust removal equipment, more particularly to a kind of electric automatization dust-extraction unit；A kind of its electric automatization dust-extraction unit, including housing, the housing is interior to be equipped with dedusting chamber, and the dedusting chamber upper end is connected with purification chamber by first partition；Nozzle is connected with by stent on the first partition lower face.The utility model provides a kind of electric automatization dust-extraction unit with new construction, and the electric automatization dust-extraction unit is easy to use, indoor toxic gas can also not only be purified to can be purged to indoor flue gas；In use, air enters dedusting chamber by dust removing tube, nozzle, which sprays large granular impurity to dedusting cavity bottom, gas, to be entered purification chamber by through hole and is purified, then discharge purified gas outside housing；Which solves the air quality problems of working environment, work efficiency is effectively raised, is conducive to the health of staff.
Description
Technical field
The utility model belongs to technical field of dust removal equipment, more particularly to a kind of electric automatization dust-extraction unit.
Background technology
Dust-extraction unit is commonly called as deduster, is the device of fly ash content in removing or reduction flue gas, the species of dust-extraction unit can
Film dust-arrest device, cloud and mist dust-arrest device, cloud and mist dust-arrest device, bag-type dust collector, cyclone dust collector, wet is received to be divided into biology
Formula dust-extraction unit, electrostatic precipitator, desulfation dust-extraction device.Applied to chemical industry, oil, metallurgy, building, mine, machinery, light textile
Deng industry.
CN206304498U discloses a kind of electric automatization dust-extraction unit, and the dust-extraction unit is simple, easy to use, dedusting
Effect is good, can fast and effectively remove the pollutant to suspend in air, improves air quality；But the equipment is single
Dedusting, the noxious material in air is also untreated, so as to be dispersed in air again, not only polluted working environment again,
Infringement is brought to the health of staff.
Utility model content
In order to solve the problems in the existing technology, the utility model provides a kind of new electric automatization dedusting dress
Put, which can not only be purged indoor flue dust, can also to indoor toxic gas into
Row purification.
The utility model concrete technical scheme is as follows：
The utility model provides a kind of electric automatization dust-extraction unit, including housing, and dedusting chamber is equipped with the housing,
The dedusting chamber upper end is connected with purification chamber by first partition；It is connected with the first partition lower face by stent
Nozzle, the nozzle are communicated in the water storage chamber on the right side of dedusting chamber by the first water inlet pipe, and on first water inlet pipe
First water pump is installed, first water pump is electrically connected with the controller, and is passed through between the dedusting chamber and the water storage chamber
Second partition connects；The first partition is equipped with the through hole of connection purification chamber, in the purify cavity room from bottom to top successively
Equipped with HEPA filter screens, activated charcoal strainer, negative ion generating device and photocatalyst net, purification chamber roof is provided with ultraviolet
Lamp, and its side wall is equipped with and connects indoor exhaust outlet.
Further to improve, the left side wall of the dedusting chamber, which is equipped with, connects indoor sweep-up pipe, on the sweep-up pipe
Wind turbine is installed, the wind turbine is electrically connected with the controller.
Further to improve, the dedusting chamber lower end connects the chamber that catchments by the 3rd partition plate, and the chamber that catchments leads to
Cross outlet pipe and connect the water storage chamber, the second water pump is installed on the outlet pipe, second water pump is electrically connected with controller
Connect；The 3rd partition plate upper surface is equipped with filter screen, and the 3rd partition plate is equipped with the chamber that catchments described in multiple connections
Inlet opening.
Further to improve, the right side wall of the water storage chamber is equipped with the second water inlet pipe, the second water inlet pipe connection
Water tank, is provided with the 3rd water pump on second water inlet pipe, and the water storage cavity bottom is equipped with liquid level sensor, and the described 3rd
Water pump and the liquid level sensor are electrically connected with the controller.
It is further to improve, the humidification device being installed in the housing sidewall is connected with the exhaust outlet, it is described to add
Wet the bottom of the device is equipped with atomization water pipe, and solenoid valve is provided with the atomization water pipe, and the side wall of the humidification device, which is equipped with, to be connected
Lead to indoor air outlet, and humidity sensor is installed on the humidification device, the humidity sensor and the solenoid valve are equal
It is electrically connected with the controller.
Further to improve, the housing bottom is also equipped with universal wheel.
The beneficial effects of the utility model are as follows：
The utility model provides a kind of electric automatization dust-extraction unit with new construction, the electric automatization dust-extraction unit
It is easy to use, indoor toxic gas can also not only be purified to can be purged to indoor flue gas；Make
Used time, air enter dedusting chamber by dust removing tube, and nozzle sprays large granular impurity to be passed through logical to dedusting cavity bottom, gas
Hole enters purification chamber and is purified, and then discharges purified gas outside housing；Which solves the sky of working environment
Gas quality problems, effectively raise work efficiency, are conducive to the health of staff.
Brief description of the drawings
Fig. 1 is the structure diagram of the electric automatization dust-extraction unit of the utility model；
Fig. 2 is the circuit block diagram of the electric automatization dust-extraction unit of the utility model.
Embodiment
The utility model is described in further detail with following embodiments below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1, Fig. 2, a kind of electric automatization dust-extraction unit provided by the utility model includes housing 1, described
Dedusting chamber 2 is equipped with housing 1,2 upper end of dedusting chamber is connected with purification chamber 3 by first partition 4；Described first every
Nozzle 22 is connected with by stent 21 on 4 lower face of plate, the nozzle 22 is communicated in dedusting chamber 2 by the first water inlet pipe 23
The water storage chamber 5 on right side, and the first water pump 24 is installed on first water inlet pipe 23, first water pump 24 and controller 6
It is electrically connected, is connected between the dedusting chamber 2 and the water storage chamber 5 by second partition 7；The first partition 4 is equipped with
The through hole 41 of connection purification chamber 3, described purify are equipped with HEPA filter screens 31, activated carbon filtering successively from bottom to top in chamber 3
Net 32, negative ion generating device 33 and photocatalyst net 34,3 top of purification chamber is provided with ultraviolet lamp 35, and is set on its side wall
There is the indoor exhaust outlet 36 of connection.Two layers of filter screen of HEPA filter screens and activated charcoal strainer, and its are used in the utility model
Filtering meshes diameter is sequentially reduced from bottom to top, multiple times of filtration is carried out to gas, to filter out the residual particles contained in gas；
HEPA filter screens can remove the particulate of at least 97.00% aerial 0.3 micrometer gauge diameter, its is efficient；Activated charcoal strainer has
There is efficient absorption property, can remove the pollutant in volatile organic compounds formaldehyde, toluene, hydrogen sulfide, chlorobenzene and air,
Air drag is small, and energy consumption is low, can under certain air quantity deodorization, eliminate the unusual smell, environment purification, has good clean-up effect.
The utility model provides a kind of electric automatization dust-extraction unit with new construction, the electric automatization dust-extraction unit
It is easy to use, indoor toxic gas can also not only be purified to can be purged to indoor flue gas；Make
Used time, air enter dedusting chamber by dust removing tube, and nozzle sprays large granular impurity to be passed through logical to dedusting cavity bottom, gas
Hole enters purification chamber and is purified, and then discharges purified gas outside housing；Which solves the sky of working environment
Gas quality problems, effectively raise work efficiency, are conducive to the health of staff.
The controller of the utility model is conventional controller, can select model siemens PLC series
CPU224XP controllers.
The left side wall of dedusting chamber described in the present embodiment 2, which is equipped with, connects indoor sweep-up pipe 8, on the sweep-up pipe 8
Wind turbine 9 is installed, the wind turbine 9 is electrically connected with controller 6.Dust suction tube is drawn into by indoor gas in the utility model
In dedusting chamber, in use, opening switch, wind turbine starts, and indoor gas is entered dedusting chamber by wind turbine by sweep-up pipe.
2 lower end of dedusting chamber described in the present embodiment connects the chamber 11 that catchments, the chamber that catchments by the 3rd partition plate 10
11 connect the water storage chamber 5 by outlet pipe 111, and the second water pump 112, second water are provided with the outlet pipe 111
Pump is electrically connected with controller 6；The 3rd partition plate upper surface is equipped with filter screen 12, and the 3rd partition plate 10 is equipped with multiple
Catchment described in connection the inlet opening 101 of chamber 11.It is in order to which the water of spray is filtered that the chamber that catchments is set in the utility model
Collect after net filtration, and entered under the drive of the second water pump through outlet pipe in water storage cavity room, recycled with this, saved
About water resource.
The right side wall of water storage chamber described in the present embodiment 5 is equipped with the second water inlet pipe 51, and second water inlet pipe 51 connects
Water receiving case, is provided with the 3rd water pump 52 on second water inlet pipe 51, and 5 bottom of water storage chamber is equipped with liquid level sensor
53, the 3rd water pump 52 and the liquid level sensor 53 are electrically connected with controller 6.Level sensing is set in the utility model
Device is that, when liquid level reaches minimum threshold, signal is passed to control by liquid level sensor in order to which the number of water in water storage chamber detected
Signal is passed to the second water pump by device processed, controller, and the second water pump starts to draw water, when liquid level sensor detects that liquid level reaches most
During big threshold value, the second water pump stops pumping；Second water inlet pipe connects water tank, is for the ease of the water delivery into water storage cavity room second
Water inlet pipe connection water tank, well etc., depending on actual conditions.
The humidification device 13 being installed on 1 side wall of housing is connected with exhaust outlet 36 described in the present embodiment, it is described
13 bottom of humidification device is equipped with atomization water pipe 131, and solenoid valve 132, the humidification device 13 are provided with the atomization water pipe 131
Side wall be equipped with and connect indoor air outlet 133, and humidity sensor 134 is installed on the humidification device 13, it is described wet
Degree sensor 134 and the solenoid valve 132 are electrically connected with controller 6.The design of humidity sensor is used in the utility model,
For detecting indoor humidity, when room air is excessively dry, signal is passed to controller by humidity sensor, and controller will be believed
Solenoid valve number is passed to, solenoid valve is opened, and atomization water pipe starts to spray water, when humidity sensor detects that indoor humidity reaches threshold value
When, atomization water pipe stops water spray.
The bottom of housing 1 described in the present embodiment is also equipped with universal wheel 14.Used and set using universal wheel in the utility model
Meter, can be moved the device by universal wheel, easy to the cleaning of room air, can promote device movement anywhere
Cleared up, avoid the appearance at dead angle, effectively raise work efficiency, be conducive to the health of staff.
Specific work process：
In use, opening switch, wind turbine starts, and indoor gas is entered dedusting chamber by wind turbine by sweep-up pipe, meanwhile,
First starting mode of pump, the first water pump drive the indoor water of water storage cavity to enter nozzle by the first water inlet pipe, and nozzle starts to spray water, gas
Large granular impurity in body can be fallen on the 3rd partition plate of dedusting cavity bottom after being stained with water, and falls on the warp of the water on the 3rd partition plate
After filter screen filtration, the chamber that catchments is entered by inlet opening, at this time, the second water pump drives the indoor water of water collection chamber to pass through water outlet
Pipe enters in water storage cavity room, is recycled with this, and when the indoor liquid level of water storage cavity reaches minimum threshold, liquid level sensor will be believed
Number controller is passed to, signal is passed to the second water pump by controller, and the second water pump starts to draw water, when liquid level sensor detects
When liquid level reaches max-thresholds, the second water pump stops pumping；In dedusting chamber remaining gas through the through hole in first partition into
Enter to purification chamber, HEPA filter screens and activated charcoal strainer net and air is filtered successively, multiple times of filtration, to filter out gas
In the residual particles that contain, subsequently enter negative ion generating device, the anion that negative ion generating device discharges can swash
Oxygen molecule in air living and form oxygen carrying anion, enliven air molecule, improve human lung's function, boost metabolism,
Strengthen disease resistance, adjust central nervous system, make one in high spirits, dynamic, following photocatalyst net is in ultraviolet lamp
Under the action of, by organic compound in air and noxious material：Benzene, formaldehyde, ammonia, TVOC etc. are decomposed, and can kill large intestine
Bacillus, staphylococcus aureus, Friedlander's bacillus, Pseudomonas aeruginosa, virus etc., the ultraviolet of ultraviolet lamp release, to gas
Play the role of strong disinfecting, purified air is escaped by exhaust outlet；When room air is excessively dry, humidity sensor will
Signal passes to controller, and signal is passed to solenoid valve by controller, and solenoid valve is opened, and atomization water pipe starts to spray water, and works as humidity
When sensor detects that indoor humidity reaches threshold value, atomization water pipe stops water spray.
The utility model is not limited to above-mentioned preferred forms, anyone can draw under the enlightenment of the utility model
Other various forms of products, however, make any change in its shape or structure, it is every that there is same as the present application or phase
Approximate technical solution, all falls within the scope of protection of the utility model.
Claims (6)
1. a kind of electric automatization dust-extraction unit, it is characterised in that including housing (1), dedusting chamber is equipped with the housing (1)
(2), dedusting chamber (2) upper end is connected with purification chamber (3) by first partition (4)；First partition (4) lower face
Upper to be connected with nozzle (22) by stent (21), the nozzle (22) is communicated in dedusting chamber by the first water inlet pipe (23)
(2) the water storage chamber (5) on the right side of, and the first water pump (24) is installed on first water inlet pipe (23), first water pump
(24) it is electrically connected with controller (6), between the dedusting chamber (2) and the water storage chamber (5) by second partition (7) even
Connect；The first partition (4) is equipped with the through hole (41) of connection purification chamber (3), in purification chamber (3) from bottom to top according to
It is secondary to be equipped with HEPA filter screens (31), activated charcoal strainer (32), negative ion generating device (33) and photocatalyst net (34), purify cavity
Ultraviolet lamp (35) is installed, and its side wall is equipped with and connects indoor exhaust outlet (36) at the top of room (3).
2. electric automatization dust-extraction unit as claimed in claim 1, it is characterised in that the left side wall of the dedusting chamber (2)
It is equipped with and connects indoor sweep-up pipe (8), wind turbine (9), the wind turbine (9) and controller (6) is installed on the sweep-up pipe (8)
It is electrically connected.
3. electric automatization dust-extraction unit as claimed in claim 1, it is characterised in that dedusting chamber (2) lower end passes through
3rd partition plate (10) connects the chamber (11) that catchments, and the chamber that catchments (11) passes through outlet pipe (111) and connects the water storage chamber
(5), the second water pump (112) is installed, second water pump is electrically connected with controller (6) on the outlet pipe (111)；Described
Three partition plate upper surfaces are equipped with filter screen (12), and the 3rd partition plate (10) is equipped with the chamber (11) that catchments described in multiple connections
Inlet opening (101).
4. electric automatization dust-extraction unit as claimed in claim 1, it is characterised in that the right side wall of the water storage chamber (5)
It is equipped with the second water inlet pipe (51), second water inlet pipe (51) connects water tank, and the is provided with second water inlet pipe (51)
Three water pumps (52), and the water storage chamber (5) bottom is equipped with liquid level sensor (53), the 3rd water pump (52) and the liquid level
Sensor (53) is electrically connected with controller (6).
5. electric automatization dust-extraction unit as claimed in claim 1, it is characterised in that exhaust outlet (36) place is connected with peace
Loaded on the humidification device (13) on the housing (1) side wall, humidification device (13) bottom is equipped with atomization water pipe (131), institute
State and solenoid valve (132) is installed on atomization water pipe (131), the side wall of the humidification device (13), which is equipped with, connects indoor outlet air
Mouth (133), and humidity sensor (134) is installed on the humidification device (13), the humidity sensor (134) and the electricity
Magnet valve (132) is electrically connected with controller (6).
6. electric automatization dust-extraction unit as claimed in claim 1, it is characterised in that housing (1) bottom is also equipped with
Universal wheel (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982695.7U CN207237576U (en) | 2017-08-08 | 2017-08-08 | A kind of electric automatization dust-extraction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720982695.7U CN207237576U (en) | 2017-08-08 | 2017-08-08 | A kind of electric automatization dust-extraction unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207237576U true CN207237576U (en) | 2018-04-17 |
Family
ID=61879974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720982695.7U Expired - Fee Related CN207237576U (en) | 2017-08-08 | 2017-08-08 | A kind of electric automatization dust-extraction unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207237576U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313439A (en) * | 2018-05-11 | 2018-07-24 | 深圳市诺峰光电设备有限公司 | A kind of Coating-removing machine |
| CN108775668A (en) * | 2018-05-31 | 2018-11-09 | 四川建源节能科技有限公司 | New wind turbine air inlet filtering device |
| CN109028296A (en) * | 2018-06-25 | 2018-12-18 | 芜湖盛科环保技术有限公司 | A kind of purifying indoor formaldehyde device |
| CN110207131A (en) * | 2019-07-03 | 2019-09-06 | 杭路 | A kind of twin-stage cooling dust remover and its refuse treatment plant |
-
2017
- 2017-08-08 CN CN201720982695.7U patent/CN207237576U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108313439A (en) * | 2018-05-11 | 2018-07-24 | 深圳市诺峰光电设备有限公司 | A kind of Coating-removing machine |
| CN108775668A (en) * | 2018-05-31 | 2018-11-09 | 四川建源节能科技有限公司 | New wind turbine air inlet filtering device |
| CN109028296A (en) * | 2018-06-25 | 2018-12-18 | 芜湖盛科环保技术有限公司 | A kind of purifying indoor formaldehyde device |
| CN110207131A (en) * | 2019-07-03 | 2019-09-06 | 杭路 | A kind of twin-stage cooling dust remover and its refuse treatment plant |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180417 Termination date: 20190808 |