CN110354609A - A kind of equipment for treating industrial waste gas - Google Patents
A kind of equipment for treating industrial waste gas Download PDFInfo
- Publication number
- CN110354609A CN110354609A CN201910642271.XA CN201910642271A CN110354609A CN 110354609 A CN110354609 A CN 110354609A CN 201910642271 A CN201910642271 A CN 201910642271A CN 110354609 A CN110354609 A CN 110354609A
- Authority
- CN
- China
- Prior art keywords
- cabinet
- waste gas
- industrial waste
- equipment
- rotating shaft
- 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
- 239000007789 gas Substances 0.000 title claims abstract description 38
- 239000002440 industrial waste Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000004140 cleaning Methods 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 10
- 239000010865 sewage Substances 0.000 description 8
- 238000000746 purification Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 206010065954 Stubbornness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910000892 beryllide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical compound [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Classifications
-
- 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
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/08—Cleaning containers, e.g. tanks
- B08B9/087—Cleaning containers, e.g. tanks by methods involving the use of tools, e.g. brushes, scrapers
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of equipment for treating industrial waste gas, including cabinet, the cabinet lower end is provided with support leg, and box house top center rotating is provided with cleaning assembly, the cleaning assembly includes the central rotating shaft for being rotatably installed in cabinet top center and the telescopic rod for being fixedly mounted on central rotating shaft surface, the central rotating shaft upper end is fixedly installed with motor, the telescopic rod is provided with Clean Brush for cleaning far from one end of central rotating shaft, the box house low side is provided with spray head, and spray head is communicated with header tank by water inlet line, the tank floor is provided with discharge outlet, and discharge outlet is connected to header tank.The present invention passes through setting cleaning assembly, effectively the inner wall of cabinet can be cleared up, substantially reduce labour old of people, and the service life of device is effectively ensured, it is rotated by cleaning assembly in box house, the active degree that box house exhaust gas can be effectively increased improves the effect of the cleaning of exhaust gas.
Description
Technical field
The present invention relates to technical field of waste gas treatment more particularly to a kind of equipment for treating industrial waste gas.
Background technique
Industrial waste gas refers to that generate in plant area, enterprise fuel combustion and production process various are discharged into containing for air
There is the general name of contaminant gases.These exhaust gas have: carbon dioxide, carbon disulfide, hydrogen sulfide, fluoride, nitrogen oxides, chlorine, chlorine
Change hydrogen, carbon monoxide, lead sulfate mercury, beryllide, flue dust and industrial dust, is discharged into atmosphere, air can be polluted.These substances are logical
It crosses different approach respiratory tracts and enters the internal of people, some directly generates harm, and there are also cumulative effects for some, can be more serious
Endanger the health of people.Different material has Different Effects.
The processing of industrial waste gas usually will use spray equipment and purify to the impurity in industrial waste gas, but current
Spray equipment has certain problems, for example cleaning purification exhaust gas is ineffective, and some stubbornness impurity are attached to dress in exhaust gas
It sets inner wall to be difficult to clear up, not only increases labour old of people, and reduce the service life of device.
For this purpose, we have proposed a kind of equipment for treating industrial waste gas.
Summary of the invention
The present invention provides a kind of equipment for treating industrial waste gas, it is therefore intended that improves the effect of exhaust-gas treatment, and effectively right
The inner wall of device is cleared up.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions:
A kind of equipment for treating industrial waste gas, including cabinet, the cabinet lower end are provided with support leg, and box house top center
Rotation is provided with cleaning assembly, and the cleaning assembly includes central rotating shaft and the fixed installation for being rotatably installed in cabinet top center
Telescopic rod on central rotating shaft surface, the central rotating shaft upper end are fixedly installed with motor, and the telescopic rod is far from central rotating shaft
One end be provided with Clean Brush for cleaning, cabinet exterior lateral sides lower end is provided with air inlet, and cabinet top is provided with gas outlet,
The box house low side is provided with spray head, and spray head is communicated with header tank by water inlet line, on the water inlet line
It is provided with the first water pump, the tank floor is provided with discharge outlet, and discharge outlet is connected to header tank.
Preferably, in above-mentioned equipment for treating industrial waste gas, the telescopic rod includes loop bar and is slidably socketed inside loop bar
Slide bar, the slide bar is located inside loop bar that ground is fixedly connected with spring in one end and loop bar.
Based on above-mentioned technical characteristic, by the setting of telescopic rod, it ensure that Clean Brush for cleaning is bonded with the effective of cabinet wall,
Improve cleaning efficiency.
Preferably, in above-mentioned equipment for treating industrial waste gas, the box house bottom surface is set as funnel-form.
It ensure that box house sewage by setting funnel-form for box house bottom surface based on above-mentioned technical characteristic
Effectively discharge.
Preferably, in above-mentioned equipment for treating industrial waste gas, foul water tank and clear water are divided by partition inside the header tank
Case two spaces, the discharge outlet are connected to foul water tank, and the water inlet line is connected to filtered water tank.
Based on above-mentioned technical characteristic, by the way that foul water tank is arranged, realization is collected sewage.
Preferably, in above-mentioned equipment for treating industrial waste gas, the foul water tank is internally provided with the second water pump, second water
Pump is provided with filter on the communicating pipe by being connected to filtered water tank communicating pipe.
Based on above-mentioned technical characteristic, by the way that filter is arranged, realization is filtered purification to sewage, passes through the second water pump
Effect, reaches filtered water tank for purified sewage, realizes the recycling of shower water.
Preferably, in above-mentioned equipment for treating industrial waste gas, the filtered water tank upper end is provided with water filling port.
Guarantee the effective supply of shower water by the way that water filling port is arranged based on above-mentioned technical characteristic.
The beneficial effects of the present invention are:
The present invention can effectively clear up the inner wall of cabinet, the labour for substantially reducing people is old by setting cleaning assembly
This, and the service life of device has been effectively ensured, it is rotated by cleaning assembly in box house, it is useless that box house can be effectively increased
The active degree of gas improves the effect of the cleaning of exhaust gas.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is Telescopic rod structure schematic diagram of the invention.
In attached drawing, parts list represented by the reference numerals are as follows:
1- cabinet；2- support leg；3- cleaning assembly；4- air inlet；The gas outlet 5-；6- spray head；7- discharge outlet；8- header tank；
9- water inlet line；10- water filling port；11- telescopic rod；12- central rotating shaft；13- Clean Brush for cleaning；14- motor；The first water pump of 15-；
16- foul water tank；The second water pump of 17-；18- communicating pipe；19- filter；20- partition；21- filtered water tank；22- loop bar；23- spring；
24- slide bar.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
It please refers to shown in Fig. 1-2, the present embodiment is a kind of equipment for treating industrial waste gas, including cabinet 1,1 lower end of cabinet are set
It is equipped with support leg 2, and 1 inner tip center rotating of cabinet is provided with cleaning assembly 3, it, can be effectively right by the way that cleaning assembly 3 is arranged
The inner wall of cabinet 1 is cleared up, and is substantially reduced labour old of people, and the service life of device has been effectively ensured, is passed through
Cleaning assembly 3 can effectively increase the active degree of 1 internal waste gas of cabinet in 1 inner rotation of cabinet, and the cleaning for improving exhaust gas is net
The effect of change, cleaning assembly 3 include being rotatably installed in the central rotating shaft 12 at 1 top center of cabinet and being fixedly mounted on central rotating shaft
The telescopic rod 11 on 12 surfaces, telescopic rod 11 include loop bar 22 and the slide bar 24 being slidably socketed inside loop bar 22, and slide bar 24 is located at
Ground is fixedly connected with spring 23 in 22 inside one end of loop bar and loop bar 22, by the setting of telescopic rod 11, ensure that free wool
13 and effective being bonded of 1 inner wall of cabinet are brushed, cleaning efficiency is improved, 12 upper end of central rotating shaft is fixedly installed with motor 14, stretches
Bar 11 is provided with Clean Brush for cleaning 13 far from one end of central rotating shaft 12, and 1 exterior lateral sides lower end of cabinet is provided with air inlet 4, and case
1 top of body is provided with gas outlet 5, and 1 inside low side of cabinet is provided with spray head 6, and spray head 6 is communicated with by water inlet line 9
Header tank 8, the first water pump 15 is provided on water inlet line 9, and 1 bottom surface of cabinet is provided with discharge outlet 7, and discharge outlet 7 and header tank 8
It is connected to, 21 two spaces of foul water tank 16 and filtered water tank is divided by partition 20 inside header tank 8, discharge outlet 7 and foul water tank 16 connect
Logical, water inlet line 9 is connected to filtered water tank 21, and foul water tank 16 is internally provided with the second water pump 17, and the second water pump 17 passes through communicating pipe
18 are connected to filtered water tank 21, and filter 19 is provided on communicating pipe 18, and 21 upper end of filtered water tank is provided with water filling port 10, by setting
Set foul water tank 16, realization is collected sewage, and by the way that filter 19 is arranged, realization is filtered purification to sewage, by the
Purified sewage is reached filtered water tank 21, realizes the recycling of shower water by the effect of two water pumps 17, by the way that water filling port is arranged
10, guarantee the effective supply of shower water, 1 inner bottom surface of cabinet is set as funnel-form, by the way that 1 inner bottom surface of cabinet to be set as leaking
It is bucket-shaped, it ensure that effective discharge of 1 inside sewage of cabinet.
A kind of specific implementation of the invention, when in use, people discarded will be passed to inside cabinet 1 by air inlet 4, be passed through
Water filling port 10 infuses shower water into filtered water tank 21, drives the first water pump 15, realizes the spray to exhaust gas in cabinet 1, after spray
It is discarded to be cleaned, cabinet 1 is discharged by gas outlet 5, during spray, while driving motor 14 drives central rotating shaft 12
Rotation, to drive telescopic rod 11 to rotate, to realize that Clean Brush for cleaning 13 to clearing up inside cabinet 1, avoids stain
Contamination accelerates the flowing of 1 internal waste gas of cabinet, significantly while 1 inner wall of cabinet, telescopic rod 11 and Clean Brush for cleaning 13 rotate
The effect of spray is improved, the waste water after spray is flowed into foul water tank 16 by discharge outlet 7, by the effect of filter 19, is obtained
It is recycled to purification, substantially increases the environmental protection and energy saving of device.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention
In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.
Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close
Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment
All details are described, also do not limit the specific embodiment that the invention is only.Obviously, according to the content of this specification, can make
Many modifications and variations.These embodiments are chosen and specifically described to this specification, is original in order to better explain the present invention
Reason and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only authorized
The limitation of sharp claim and its full scope and equivalent.
Claims (6)
1. a kind of equipment for treating industrial waste gas, it is characterised in that: including cabinet (1), cabinet (1) lower end is provided with support leg
(2), and cabinet (1) inner tip center rotating is provided with cleaning assembly (3), and the cleaning assembly (3) includes being rotatably installed in
The central rotating shaft (12) at cabinet (1) top center and the telescopic rod (11) for being fixedly mounted on central rotating shaft (12) surface, it is described in
Heart shaft (12) upper end is fixedly installed with motor (14), and the telescopic rod (11) is provided with clearly far from the one end of central rotating shaft (12)
Clean hairbrush (13), cabinet (1) the exterior lateral sides lower end is provided with air inlet (4), and cabinet (1) top is provided with gas outlet
(5), the internal low side of the cabinet (1) is provided with spray head (6), and spray head (6) is communicated with header tank by water inlet line (9)
(8), it and on the water inlet line (9) is provided with the first water pump (15), cabinet (1) bottom surface is provided with discharge outlet (7), and is arranged
The mouth of a river (7) is connected to header tank (8).
2. a kind of equipment for treating industrial waste gas according to claim 1, it is characterised in that: the telescopic rod (11) includes set
Bar (22) and the slide bar (24) being slidably socketed inside loop bar (22), the slide bar (24) are located at the internal one end of loop bar (22) and set
Bar (22) inner bottom surface is fixedly connected with spring (23).
3. a kind of equipment for treating industrial waste gas according to claim 1, it is characterised in that: cabinet (1) inner bottom surface
It is set as funnel-form.
4. a kind of equipment for treating industrial waste gas according to claim 1, it is characterised in that: logical inside the header tank (8)
It crosses partition (20) and is divided into foul water tank (16) and filtered water tank (21) two spaces, the discharge outlet (7) is connected to foul water tank (16), institute
Water inlet line (9) is stated to be connected to filtered water tank (21).
5. a kind of equipment for treating industrial waste gas according to claim 4, it is characterised in that: set inside the foul water tank (16)
It is equipped with the second water pump (17), second water pump (17) is connected to by communicating pipe (18) with filtered water tank (21), and the communicating pipe
(18) filter (19) are provided on.
6. a kind of equipment for treating industrial waste gas according to claim 5, it is characterised in that: filtered water tank (21) upper end is set
It is equipped with water filling port (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910642271.XA CN110354609A (en) | 2019-07-16 | 2019-07-16 | A kind of equipment for treating industrial waste gas |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910642271.XA CN110354609A (en) | 2019-07-16 | 2019-07-16 | A kind of equipment for treating industrial waste gas |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110354609A true CN110354609A (en) | 2019-10-22 |
Family
ID=68220051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910642271.XA Pending CN110354609A (en) | 2019-07-16 | 2019-07-16 | A kind of equipment for treating industrial waste gas |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110354609A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450640A (en) * | 2020-05-21 | 2020-07-28 | 洪献彬 | Mill uses rotation type waste gas dust collector |
| CN112546814A (en) * | 2020-11-14 | 2021-03-26 | 湘潭华悦电子科技有限公司 | Spray column organic waste gas treatment equipment |
| CN112893426A (en) * | 2020-12-29 | 2021-06-04 | 王臻 | Can be to prosthetic soil restoration of soil ectonexine is with applying device simultaneously |
| CN113152393A (en) * | 2021-05-12 | 2021-07-23 | 余旭华 | Ground water intercepting device capable of automatically cleaning surface and controlling water pollution |
| CN114405927A (en) * | 2022-03-28 | 2022-04-29 | 龙口市动力油管有限公司 | Dysmorphism spouts many orifices and spouts oil pipe combined type cleanliness processing apparatus |
| CN116785877A (en) * | 2022-05-10 | 2023-09-22 | 包头市圣友稀土有限责任公司 | Powder collection device in ingot casting rare earth corner polishing and use method |
| CN118874104A (en) * | 2024-07-18 | 2024-11-01 | 江苏海伦环保设备有限公司 | An environmentally friendly waste gas purification device |
-
2019
- 2019-07-16 CN CN201910642271.XA patent/CN110354609A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111450640A (en) * | 2020-05-21 | 2020-07-28 | 洪献彬 | Mill uses rotation type waste gas dust collector |
| CN111450640B (en) * | 2020-05-21 | 2021-11-26 | 广西永福华源科技有限公司 | Mill uses rotation type waste gas dust collector |
| CN112546814A (en) * | 2020-11-14 | 2021-03-26 | 湘潭华悦电子科技有限公司 | Spray column organic waste gas treatment equipment |
| CN112893426A (en) * | 2020-12-29 | 2021-06-04 | 王臻 | Can be to prosthetic soil restoration of soil ectonexine is with applying device simultaneously |
| CN113152393A (en) * | 2021-05-12 | 2021-07-23 | 余旭华 | Ground water intercepting device capable of automatically cleaning surface and controlling water pollution |
| CN114405927A (en) * | 2022-03-28 | 2022-04-29 | 龙口市动力油管有限公司 | Dysmorphism spouts many orifices and spouts oil pipe combined type cleanliness processing apparatus |
| CN114405927B (en) * | 2022-03-28 | 2022-07-15 | 龙口市动力油管有限公司 | Dysmorphism spouts many orifices and spouts oil pipe combined type cleanliness processing apparatus |
| CN116785877A (en) * | 2022-05-10 | 2023-09-22 | 包头市圣友稀土有限责任公司 | Powder collection device in ingot casting rare earth corner polishing and use method |
| CN118874104A (en) * | 2024-07-18 | 2024-11-01 | 江苏海伦环保设备有限公司 | An environmentally friendly waste gas purification device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191022 |