CN109675373A - It is a kind of with the industrial waste-gas purifier that effect is filtered for multiple times - Google Patents
It is a kind of with the industrial waste-gas purifier that effect is filtered for multiple times Download PDFInfo
- Publication number
- CN109675373A CN109675373A CN201710968000.4A CN201710968000A CN109675373A CN 109675373 A CN109675373 A CN 109675373A CN 201710968000 A CN201710968000 A CN 201710968000A CN 109675373 A CN109675373 A CN 109675373A
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- inner cavity
- filter screen
- industrial waste
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0035—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by wetting, e.g. using surfaces covered with oil
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
- B01D46/0041—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for feeding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/4263—Means for active heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/04—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 adsorption, e.g. preparative gas chromatography with stationary adsorbents
-
- 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
- B01D53/02—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 adsorption, e.g. preparative gas chromatography
- B01D53/06—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 adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
-
- 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
- B01D53/84—Biological processes
- B01D53/85—Biological processes with gas-solid contact
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of with the industrial waste-gas purifier that effect is filtered for multiple times, and is related to technical field of air purification.This has the industrial waste-gas purifier that effect is filtered for multiple times, including body, air inlet is offered on the left of the inner cavity of the body, the surface of the air inlet is socketed with the first exhaust fan, the first filter screen is provided on the left of the inner cavity of the body, it is provided with the second filter screen in the middle part of the inner cavity of the body, the upper left surface of the body is fixedly installed with material storing box.This has the industrial waste-gas purifier that effect is filtered for multiple times, solves the problems, such as existing filter device poor filtration effect, under being equipped with by body, air inlet, the first exhaust fan, the first filter screen, the second filter screen, third filter screen, air outlet and the second exhaust fan, and under the active force of exhaust fan, make industrial waste gas after three layer filtration net, wherein harmful substance is filtered out, environment is improved, has also ensured the body using crowd.
Description
Technical field
It is specially a kind of to be filled with the industrial waste gas purifying that effect is filtered for multiple times the present invention relates to technical field of air purification
It sets.
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, sulfuric acid (mist) lead mercury, beryllide, flue dust and industrial dust, is discharged into atmosphere, air can be polluted, these objects
Matter enters the internal of people by different approach respiratory tracts, and some directly generates harm, and there are also cumulative effects for some, can be tighter
The health for endangering people of weight, different material have Different Effects.
Air cleaning unit can clean to contaminated air, the processing work purified etc..
Currently, with the development of science and technology, industry, coal mining and Zhi Jin lamp field are quickly being improved, but these
Industry can generate a large amount of harmful exhaust gas during processing, and some is just discharged into atmosphere without processing, give environment
Very big damage is brought, and traditional some emission-control equipments handle effect because of some factors such as unreasonable structural design
Fruit is bad, and filter effect is poor, still pollutes to environment after discharge, brings loss.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of with the industrial waste-gas purifier that effect is filtered for multiple times, solution
Traditional filtering of having determined device poor filtration effect leads to the problem of still causing environment pollution after discharging.
(2) technical solution
In order to achieve the above object, the present invention is achieved by the following technical programs: a kind of with the industry that effect is filtered for multiple times
Waste gas purification apparatus, including body, offer air inlet on the left of the inner cavity of the body, and the surface of the air inlet is socketed with the
The inner cavity left side of one exhaust fan, the body is provided with the first filter screen, is provided with the second filtering in the middle part of the inner cavity of the body
Net, the upper left surface of the body are fixedly installed with material storing box, and the lower end of the material storing box is communicated with conveying pipeline, the conveying pipeline
One end grafting body inner cavity, the output end of the conveying pipeline is communicated with first spray head, is provided on the right side of the inner cavity of the body
Fixed block is fixedly installed with third filter screen on the fixed block, and the right upper of the body is fixedly installed with water tank, described
The inner cavity of water tank is communicated with outlet pipe, and the outlet pipe input terminal is socketed with water pump, and the inner cavity of the outlet pipe is fixedly installed with
The output end of metal mesh, the outlet pipe is connected to second spray head, and the inner cavity bottom righthand side of the body is fixedly installed with fan, described
Having heaters is fixedly mounted in the inner cavity bottom righthand side of body, and body inner cavity right side opening is equipped with air outlet, the table of the air outlet
Surface cover is connected to the second exhaust fan.
Preferably, first filter screen is fixedly mounted on body inner cavity by fixed plate, and fills out inside the first filter screen
Filled with active carbon.
Preferably, second filter screen is fixedly mounted on body inner cavity by support plate, and the second filter screen is biology
Film filter screen.
Preferably, the third filter screen is nylon filter, and the gap size between third filter screen is identical.
Preferably, the upper end of the material storing box offers feed inlet, and storing box cavity stores adsorbent.
Preferably, the metal mesh is stainless steel wire mesh, and the gap size between metal mesh is identical.
(3) beneficial effect
The present invention provides a kind of with the industrial waste-gas purifier that effect is filtered for multiple times.Have it is following the utility model has the advantages that
(1), this has the industrial waste-gas purifier that effect is filtered for multiple times, and solves existing filter device poor filtration effect
Problem passes through body, air inlet, the first exhaust fan, the first filter screen, the second filter screen, third filter screen, air outlet and second
Under being equipped with of exhaust fan, and under the active force of exhaust fan, makes industrial waste gas after three layer filtration net, filter out wherein
Harmful substance, improves environment, has also ensured the body using crowd.
(2), this has the industrial waste-gas purifier that effect is filtered for multiple times, and by the improvement to filter type, adopts respectively
With the knot of material storing box, conveying pipeline, first spray head, water tank, outlet pipe, water pump, metal mesh, second spray head, fan and heater
Structure design, and under the action of body, filter the harmful substance in industrial waste gas effectively, for protection environment and personal wealth
Safety is produced to play an important role.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the schematic diagram of the section structure of the present invention.
In figure: 1 body, 2 air inlets, 3 first exhaust fans, 4 first filter screens, 5 second filter screens, 6 material storing box, 7 conveyings
Pipe, 8 first spray heads, 9 fixed blocks, 10 third filter screens, 11 water tanks, 12 outlet pipes, 13 water pumps, 14 metal meshes, 15 second spray heads,
16 fans, 17 heaters, 18 air outlets, 19 second exhaust fans.
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 every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of with the industrial waste gas purifying that effect is filtered for multiple times
Device, including body 1, body 1 are the entirety of whole device, offer air inlet 2 on the left of the inner cavity of body 1, industrial waste gas from
Air inlet 2, which enters in body, to be filtered, and the surface of air inlet 2 is socketed with the first exhaust fan 3, and the operation of the first exhaust fan 3 is reinforced
The industrial waste gas speed of service prevents exhaust gas to be deposited in outside body 1, is provided with the first filter screen 4 on the left of the inner cavity of body 1, and first
Filter screen 4 is fixedly mounted on 1 inner cavity of body by fixed plate, and active carbon, the industry of entrance are filled with inside the first filter screen 4
Exhaust gas wherein contains granular harmful substance, and the active carbon in the first filter screen 4 has adsorption effect, can have graininess
Evil substance is absorbed and filter, and is provided with the second filter screen 5 in the middle part of the inner cavity of body 1, the second filter screen 5 is fixed by support plate
Be mounted on 1 inner cavity of body, and the second filter screen 5 is biomembrane filter screen, the second filter screen 5 can by the industrial waste gas passed through into
Row decomposes, and reduces wherein harmful substance contents, plays an important role to purification, the upper left surface of body 1 is fixedly installed with storing
Case 6, the upper end of material storing box 6 offers feed inlet, and 6 inner cavity of material storing box stores adsorbent, and the lower end of material storing box 6 is communicated with defeated
Expects pipe 7,1 inner cavity of one end grafting body of conveying pipeline 7, the output end of conveying pipeline 7 are communicated with first spray head 8, flow into material storing box 6
Adsorbent is discharged from first spray head 8 again in conveying pipeline 7, can make the objectionable impurities in industrial waste gas, be adsorbed onto the second filter screen 5
On, so that its objectionable impurities is not scattered everywhere makes troubles to purification, is provided with fixed block 9, fixed block on the right side of the inner cavity of body 1
Third filter screen 10 is fixedly installed on 9, third filter screen 10 is nylon filter, and the gap between third filter screen 10 is big
Small identical, the right upper of body 1 is fixedly installed with water tank 11, and the inner cavity of water tank 11 is communicated with outlet pipe 12, and outlet pipe 12 is defeated
Enter end cap and be connected to water pump 13, the inner cavity of outlet pipe 12 is fixedly installed with metal mesh 14, and metal mesh 14 is stainless steel wire mesh, and golden
The gap size belonged between net 14 is identical, and the output end of outlet pipe 12 is connected to second spray head 15, and the inner cavity bottom righthand side of body 1 is fixed
Fan 16 is installed, having heaters 17 is fixedly mounted in the inner cavity bottom righthand side of body 1, and the water flow in water tank 11 adds by water pump 13
Speed, quick washing metal mesh 14 are divided into water particle, are forming water mist by the ejection of second spray head 15, are blowing by lower section fan 16
Dynamic, the hot-air after heating heater 17 becomes thermal current, and thermal current, which blows over water mist, becomes water vapour, and third filter screen 10 is
Nylon wire has good hydrofuge performance, so that its capillary pressure is formed the network of rivers on its 10 surface of third filter screen, passes through second
Filtering of the industrial waste gas of filter screen 5 by third filtering 10, makes it filter out the objectionable impurities in industrial waste gas, becomes clean
Air discharge brings convenience to protection environment, and 1 inner cavity right side opening of body is equipped with air outlet 18, and the surface of air outlet 18 is socketed
There is the second exhaust fan 19, filtered pure air is discharged from air outlet 18, and the second exhaust fan 19 can reinforce mass rate of emission, and
It can quickly be filtered with the cooperation of the first exhaust fan 3.
This has the industrial waste-gas purifier that effect is filtered for multiple times, in use, industrial waste gas enters machine from air inlet 2
1 inner cavity of body filters out wherein graininess harmful substance by the first filter screen 10, is spraying 6 interior suction of material storing box by first spray head 8
Attached dose, noxious substance in its industrial waste gas is made to accelerate water flow velocity further through water pump 13 in water tank 11 on the second filter screen 5
Degree impact metal mesh 14 is split it, then becomes water mist by the ejection of second spray head 15, is run by fan 16, makes to heat
Air after device 17 heats becomes thermal current, and blowing to becomes water vapour on water mist, is attached on third filter screen 10 and forms the network of rivers,
Industrial waste gas removes impurity in its industrial waste gas by the network of rivers to third filter screen 10, becomes pure air discharge.
In conclusion this has the industrial waste-gas purifier that effect is filtered for multiple times, solves existing filter device mistake
The problem for filtering effect difference, passes through body 11, air inlet 2, the first exhaust fan 3, the first filter screen 4, the second filter screen 5, third mistake
Under being equipped with of strainer 10, air outlet 18 and the second exhaust fan 19, and under the active force of exhaust fan, pass through industrial waste gas
After three layer filtration net, wherein harmful substance is filtered out, improves environment, has also ensured the body using crowd.
(2), this has the industrial waste-gas purifier that effect is filtered for multiple times, and by the improvement to filter type, adopts respectively
With material storing box 6, conveying pipeline 7, first spray head 8, water tank 11, outlet pipe 12, water pump 13, metal mesh 14, second spray head 15, fan
16 and the structure design of heater 17 filter the harmful substance in industrial waste gas effectively and under the action of body 1,
It plays an important role for protection environment with personal safety as well as the property safety.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of with the industrial waste-gas purifier that effect is filtered for multiple times, including body (1), it is characterised in that: the body
(1) it is offered air inlet (2) on the left of inner cavity, the surface of the air inlet (2) is socketed with the first exhaust fan (3), the body
(1) it is provided with the first filter screen (4) on the left of inner cavity, is provided with the second filter screen (5), institute in the middle part of the inner cavity of the body (1)
The upper left surface for stating body (1) is fixedly installed with material storing box (6), and the lower end of the material storing box (6) is communicated with conveying pipeline (7), institute
One end grafting body (1) inner cavity of conveying pipeline (7) is stated, the output end of the conveying pipeline (7) is communicated with first spray head (8), described
It is provided with fixed block (9) on the right side of the inner cavity of body (1), is fixedly installed with third filter screen (10) on the fixed block (9), it is described
The right upper of body (1) is fixedly installed with water tank (11), and the inner cavity of the water tank (11) is communicated with outlet pipe (12), it is described go out
Water pipe (12) input terminal is socketed with water pump (13), and the inner cavity of the outlet pipe (12) is fixedly installed with metal mesh (14), it is described go out
The output end of water pipe (12) is connected to second spray head (15), and the inner cavity bottom righthand side of the body (1) is fixedly installed with fan (16), institute
Having heaters (17) are fixedly mounted in the inner cavity bottom righthand side for stating body (1), and body (1) the inner cavity right side opening is equipped with air outlet
(18), the surface of the air outlet (18) is socketed with the second exhaust fan (19).
2. according to claim 1 a kind of with the industrial waste-gas purifier that effect is filtered for multiple times, it is characterised in that: institute
It states the first filter screen (4) and body (1) inner cavity is fixedly mounted on by fixed plate, and filling is active inside the first filter screen (4)
Charcoal.
3. according to claim 1 a kind of with the industrial waste-gas purifier that effect is filtered for multiple times, it is characterised in that: institute
It states the second filter screen (5) and body (1) inner cavity is fixedly mounted on by support plate, and the second filter screen (5) is biomembrane filter screen.
4. according to claim 1 a kind of with the industrial waste-gas purifier that effect is filtered for multiple times, it is characterised in that: institute
Stating third filter screen (10) is nylon filter, and the gap size between third filter screen (10) is identical.
5. according to claim 1 a kind of with the industrial waste-gas purifier that effect is filtered for multiple times, it is characterised in that: institute
The upper end for stating material storing box (6) offers feed inlet, and material storing box (6) inner cavity stores adsorbent.
6. according to claim 1 a kind of with the industrial waste-gas purifier that effect is filtered for multiple times, it is characterised in that: institute
Stating metal mesh (14) is stainless steel wire mesh, and the gap size between metal mesh (14) is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968000.4A CN109675373A (en) | 2017-10-18 | 2017-10-18 | It is a kind of with the industrial waste-gas purifier that effect is filtered for multiple times |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710968000.4A CN109675373A (en) | 2017-10-18 | 2017-10-18 | It is a kind of with the industrial waste-gas purifier that effect is filtered for multiple times |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109675373A true CN109675373A (en) | 2019-04-26 |
Family
ID=66183102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710968000.4A Pending CN109675373A (en) | 2017-10-18 | 2017-10-18 | It is a kind of with the industrial waste-gas purifier that effect is filtered for multiple times |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109675373A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112080827A (en) * | 2020-09-16 | 2020-12-15 | 湖州南浔精优机械制造有限公司 | Compact spinning cotton suction fan device for compact spinning |
| CN113477074A (en) * | 2021-06-08 | 2021-10-08 | 雷博文 | Industrial waste gas purifying equipment |
-
2017
- 2017-10-18 CN CN201710968000.4A patent/CN109675373A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112080827A (en) * | 2020-09-16 | 2020-12-15 | 湖州南浔精优机械制造有限公司 | Compact spinning cotton suction fan device for compact spinning |
| CN113477074A (en) * | 2021-06-08 | 2021-10-08 | 雷博文 | Industrial waste gas purifying equipment |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190426 |
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| WD01 | Invention patent application deemed withdrawn after publication |