CN109529459A - Residential building kitchen flue gas processing system - Google Patents
Residential building kitchen flue gas processing system Download PDFInfo
- Publication number
- CN109529459A CN109529459A CN201811343708.1A CN201811343708A CN109529459A CN 109529459 A CN109529459 A CN 109529459A CN 201811343708 A CN201811343708 A CN 201811343708A CN 109529459 A CN109529459 A CN 109529459A
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- CN
- China
- Prior art keywords
- flue gas
- filter screen
- processing system
- residential building
- gas processing
- 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.)
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Classifications
-
- 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
- B01D46/0036—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
- 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
- B01D53/86—Catalytic processes
- B01D53/8637—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01D53/86—Catalytic processes
- B01D53/864—Removing carbon monoxide or hydrocarbons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
- F24C15/00—Details
- F24C15/20—Removing cooking fumes
- F24C15/2035—Arrangement or mounting of filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/40—Different types of filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2267/00—Multiple filter elements specially adapted for separating dispersed particles from gases or vapours
- B01D2267/60—Vertical arrangement
Abstract
The present invention relates to fume treatments, more particularly to residential building kitchen flue gas processing system, a kind of residential building kitchen flue gas processing system, including oil smoke input channel, the oil smoke input channel is connected with the oil smoke entrance below smoke absorption cabinet, the inside of smoke absorption cabinet is disposed with ceramic honeycomb layers of balls from top to bottom, active carbon particle layer and filter layer, filter layer is located at the top of oil smoke input channel entrance, exhaust outlet is offered on the top side wall of smoke absorption cabinet, exhaust apparatus is installed on exhaust outlet, structure of the invention is compact, it occupies little space, to the high treating effect of cooking fume, the greasy dirt in flue gas can not only be adsorbed, the molecule and pernicious gas in exhaust gas can also be handled, solve the problems, such as that single household can not be effectively treated life flue gas, with highly important environment protection significance, the exhaust apparatus used simultaneously For electric energy and wind energy complementary type driving method, energy-saving effect is significant.
Description
Technical field
The present invention relates to a kind of fume treatment tapping equipment more particularly to a kind of residential building kitchen flue gas processing systems.
Background technique
Oil smoke is made of nearly 200 kinds of noxious materials, caused by endanger be not merely pollution environment and damage appearance, it is even worse
Cake, he can cause housewife and household more than 30 kinds of " kitchen disease ", some housewives for a long time after kitchen operation just
There is headache, uncomfortable in chest, tinnitus, do not have appetite etc., if stay in the kitchen time more concentrate, the time it is longer, it is serious to also result in
Insomnia, failure of memory, bronchitis, pneumonia, rhinitis etc..Oil smoke is even more the major reason for weakening the elderly's immunity, is caused
The senile chronic diseases such as cardiovascular and cerebrovascular, osteoporosis, prostate, asthma, bronchitis.The family encroached on for a long time by oil smoke
" boiling " woman suffers from cutaneum carcinoma and the probability of lung cancer is higher by 5 times than ordinary person；Skin aging speed is 7.3 times higher than ordinary person.
The oil smoke generated in culinary art is also an important factor for leading to women tuberculosis.Edible oil when being heated to 170 DEG C or so,
It just will appear cooking fume on edible oil liquid level, temperature will generate a large amount of cooking fume at 280 DEG C or more.This cooking fume
Ingredient is sufficiently complex, and there are about more than 200 kinds of chemical substances, wherein often arranging breakfast, lunch and dinner based on aldehyde, ketone, alcohol, hydrocarbon and fatty acid etc.
Housewife because having sucked excessive oil smoke in gastronomical process, long-term accumulation gets off also to be readily formed lung's rubbish, causes
Heart and lung diseases.Oil smoke can directly stimulate respiratory system, cause the damage of pulmonary edema and body, make under the defense function of pulmonary airways
Drop.Oil smoke can also stimulate air flue to discharge some inflammatory factors and inflammatory cell, cause the chronic nonspecific inflammation of air flue.Oil smoke
In containing the compounds such as Benzpyrene, volatile nitrosamine, they are all known carcinogenic substances.And oil temperature is higher, and these are carcinogenic
The content of substance is also higher, and carcinogenic risk is also bigger.It can't do without coal gas or liquefied gas in addition, cooking and cooking nature, they
A large amount of pernicious gas such as carbon monoxide etc. can be also released in burning, increases room air pollution, meeting after people sucks
Lead to pulmonary lesion
Currently, simple filtration mainly is carried out to the oil smoke generated in cooking process using smoke exhaust ventilator in residential building,
Part family is even directly by untreated life flue gas emission into atmosphere.In practice, because fuel doped portion vulcanizes
Pernicious gas caused by object, the burn incompletely of fuel, high oil temperature etc. and pollution particle, since smoke exhaust ventilator cannot be passed through
Simple physical filtering mode settles, and is directly discharged in atmosphere, does great damage to living environment, threatens resident raw
Life health.
Summary of the invention
The purpose of the present invention is the life flue gases for existing resident not to pass through dirt of the processing with regard to direct emission, to environment
Contaminate larger, be unfavorable for the defect and deficiency of resident's health, now provide it is a kind of compact-sized, to the high treating effect of oil smoke,
Non-pollution discharge is realized, and can be realized the complementary drive of wind energy and electric energy, a kind of good residential building kitchen of energy-saving effect
Smoke processing system.
To achieve the above object, the technical solution of the invention is as follows: a kind of residential building kitchen flue gas processing system, including
Oil smoke input channel, the oil smoke input channel are connected with the oil smoke entrance below smoke absorption cabinet, and smoke absorption cabinet is vertical
Setting, the inside of smoke absorption cabinet is disposed with ceramic honeycomb layers of balls, active carbon particle layer and filter layer, mistake from top to bottom
Filtering layer is located at the top of oil smoke input channel entrance, and exhaust outlet is offered on the top side wall of smoke absorption cabinet, is pacified on exhaust outlet
Equipped with exhaust apparatus, exhaust apparatus includes wind tank, bearing, exhaust fan, drive shaft, gear, motor, controller and transmission shaft,
Bearing is mounted on the top of smoke absorption cabinet, and transmission shaft is vertically installed on bearing, and the upper end of transmission shaft is pierced by smoke absorption cabinet
Top and be fixed with wind tank, the lower end of transmission shaft is connected through gear with drive shaft, and one end of drive shaft is fixed on motor
On output shaft, exhaust fan is installed on the other end of drive shaft, exhaust fan is located in exhaust outlet, and motor is connected with controller.
Side in the drive shaft close to exhaust fan is provided with holdback.
Velocity sensor is installed on the transmission shaft.
The filter layer is made of the upper filter screen being located above and lower filter screen located directly below, upper filter screen and lower filter screen it
Between there are gap, the periphery of upper filter screen and lower filter screen is both provided with outline border, and the centre of upper filter screen is provided with sparse hole, lower filter screen
Quadrangle is provided with sparse hole.
The mesh of the upper filter screen is less than the mesh of lower filter screen.
The ceramic honeycomb layers of balls is made of outer framework, support mesh and porous pottery ball, and support mesh is provided on outer framework,
Porous pottery ball is provided between support mesh.
The active carbon particle layer is made of outer framework, support mesh and active carbon particle, and support mesh is provided on outer framework,
Active carbon particle is provided between support mesh.
The smoke absorption cabinet is arranged when building is external, and the bottom of smoke absorption cabinet is provided with waste water container, waste water container
Bottom blowdown valve is installed.
The beneficial effects of the present invention are:
1, the present invention carries out concentration purified treatment, used row to the building family Nei Ge life flue gas using flue gas processing device
Device of air is electric energy and wind energy complementary type driving method, directly can provide power by wind-force when wind-force abundance, work as wind
Using being driven by electricity when power deficiency, energy-saving effect is significant.
2, structure of the invention is compact, occupies little space, and to the high treating effect of cooking fume, can not only adsorb in flue gas
Greasy dirt, moreover it is possible to handle the molecule and pernicious gas in exhaust gas, life flue gas can not be effectively treated by solving single household
The problem of, there is highly important environment protection significance.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the first example of the invention；
Fig. 2 is the structural schematic diagram of second of example of the invention；
Fig. 3 is the structural schematic diagram of exhaust apparatus of the present invention；
Fig. 4 is the exterior lateral sides schematic diagram of Fig. 3；
Fig. 5 is the structural schematic diagram of wind tank of the present invention；
Fig. 6 is the main view of filter layer of the present invention；
Fig. 7 is the top view of Fig. 6；
Fig. 8 is the bottom view of Fig. 6.
Specific embodiment
Below in conjunction with Detailed description of the invention and specific embodiment, the present invention is described in further detail.Referring to Fig. 1 to figure
8, a kind of residential building kitchen flue gas processing system of the invention, including oil smoke input channel 1, the oil smoke input channel 1 and cigarette
The oil smoke entrance of the lower section of aspiration cabinet 2 is connected, and smoke absorption cabinet 2 is vertically arranged, the inside of smoke absorption cabinet 2 from top to bottom according to
Secondary to be provided with ceramic honeycomb layers of balls 5, active carbon particle layer 6 and filter layer 7, filter layer 7 is located at 1 entrance of oil smoke input channel
Top offers exhaust outlet 3 on the top side wall of smoke absorption cabinet 2, exhaust apparatus 4, exhaust apparatus 4 is equipped on exhaust outlet 3
Including wind tank 8, bearing 9, exhaust fan 12, drive shaft 13, gear 14, motor 15, controller 16 and transmission shaft 17, bearing 9 is pacified
Mounted in the top of smoke absorption cabinet 2, transmission shaft 17 is vertically installed on bearing 9, the upper end of transmission shaft 17 is pierced by smoke absorption cabinet 2
Top and be fixed with wind tank 8, the lower end of transmission shaft 17 is connected through gear 14 with drive shaft 13, and one end of drive shaft 13 is fixed
On the output shaft of motor 15, exhaust fan 12 is installed on the other end of drive shaft 13, exhaust fan 12 is located in exhaust outlet 3, electricity
Machine 15 is connected with controller 16.Side in drive shaft 13 close to exhaust fan 12 is provided with holdback 11.Pacify on transmission shaft 17
Equipped with velocity sensor 10.Filter layer 7 is made of the upper filter screen 19 being located above and lower filter screen 20 located directly below, upper filter screen
There are gap between 19 and lower filter screen 20, the periphery of upper filter screen 19 and lower filter screen 20 is both provided with outline border 18, in upper filter screen 19
Between be provided with sparse hole 21, the quadrangle of lower filter screen 20 is provided with sparse hole 21.The mesh of upper filter screen 19 is less than the net of lower filter screen 20
Eye.Ceramic honeycomb layers of balls 5 is made of outer framework, support mesh and porous pottery ball, is provided with support mesh on outer framework, support mesh it
Between be provided with porous pottery ball.Active carbon particle layer 6 is made of outer framework, support mesh and active carbon particle, is provided on outer framework
Support mesh is provided with active carbon particle between support mesh.The bottom of smoke absorption cabinet 2 when building is external is arranged in smoke absorption cabinet 2
It is provided with waste water container, the bottom of waste water container is equipped with blowdown valve 22.Referring to Fig. 1, Fig. 2, oil smoke input channel 1 and flue gas are inhaled
The oil smoke entrance for receiving 2 lower section of cabinet is connected, and the oil smoke that each user generates is discharged into smoke absorption cabinet 2 by oil smoke input channel 1
It is focused on.It is building body is arranged in oil smoke input channel 1 inside that Fig. 1 is corresponding, and the bottom of smoke absorption cabinet 2 is provided with
Oil smoke entrance.It is building body is arranged in oil smoke input channel 1 outside that Fig. 2 is corresponding, and the bottom sides of smoke absorption cabinet 2 are provided with
Oil smoke entrance.The bottom of smoke absorption cabinet 2 is provided with waste water container, and the bottom of waste water container is equipped with blowdown valve 22, at one section
Between after open blowdown valve 22 greasy dirt liquid can be discharged.Smoke absorption cabinet 2 is vertically arranged, the top side wall of smoke absorption cabinet 2
On offer exhaust outlet 3, exhaust apparatus 4 is installed, exhaust fan 12 is located in exhaust outlet 3 on exhaust outlet 3.
Exhaust apparatus 4 mainly includes wind tank 8, bearing 9, exhaust fan 12, drive shaft 13, gear 14, motor 15, controller 16
And transmission shaft 17, exhaust fan 12 used in exhaust apparatus 4 drive by wind energy and electricity mutual complementation.Bearing 9 is mounted on flue gas
The top for absorbing cabinet 2, is vertically installed with transmission shaft 17 on bearing 9, the upper end of transmission shaft 17 be pierced by the top of smoke absorption cabinet 2 and
It is fixed with wind tank 8.Wind tank 8 is evolved by air vane, the shape of wind tank 8 be it is hemispherical or bowl-shape, wind tank 8 is three or three
More than a, and it is uniformly distributed by the center of circle of shaft.The lower end of transmission shaft 17 is connected through gear 14 with drive shaft 13, drive shaft 13
One end be fixed on the output shaft of motor 15, exhaust fan 12 is installed on the other end of drive shaft 13.When wind-force is sufficient
Waiting directly to provide the rotational power of exhaust fan 12 by wind-force, and wind tank 8 drives transmission shaft 17 to rotate under the action of the wind, transmission
Axis 17 drives drive shaft 13 to rotate through gear 14, and then exhaust fan 12 is driven to rotate.When wind-force deficiency, using being driven by electricity,
Controller 16 controls motor 15 and intervenes, and output power.Outside air flows backward through exhaust fan 12 in order to prevent arrives smoke absorption cabinet 2
Interior, the side in drive shaft 13 close to exhaust fan 12 is provided with holdback 11.Electricity is needed for the ease of grasping extraneous wind-force deficiency
The opportunity of power drive is equipped with velocity sensor 10 on transmission shaft 17, and velocity sensor 10 is connected with controller 16.Work as wind-force
When driving the revolving speed generated lower, velocity sensor 10 can make controller 16 connect circuit, and motor 15 is made to drive 12 turns of exhaust fan
It is dynamic.The inside of smoke absorption cabinet 2 is disposed with ceramic honeycomb layers of balls 5, active carbon particle layer 6 and filter layer 7 from top to bottom,
Filter layer 7 is located at the top of 1 entrance of oil smoke input channel.Filter layer 7 is by the upper filter screen 19 that is located above and located directly below
Lower filter screen 20 is constituted, and the periphery of upper filter screen 19 and lower filter screen 20 is both provided with outline border 18, and the centre of upper filter screen 19 is provided with sparse
Hole 21, the quadrangle of lower filter screen 20 is provided with sparse hole 21, and the mesh of upper filter screen 19 is less than the mesh of lower filter screen 20.Upper filter screen
There are suitable gaps between 19 and lower filter screen 20, and greasy dirt and bulky grain in flue gas can in this way be easier in uphill process
It is adsorbed on upper filter screen 19 and lower filter screen 20, while not will cause filter net jam again.Active carbon particle layer 6 is by outer framework, bearing
Net and active carbon particle are constituted, and are provided with support mesh on outer framework, are provided with active carbon particle between support mesh.Active carbon particle
The dust particles in absorption flue gas can be filtered well, after the filtering of active carbon particle layer, greasy dirt, bulky grain powder in flue gas
Dirt and part small particle can be adsorbed.Ceramic honeycomb layers of balls 5 is made of outer framework, support mesh and porous pottery ball, outer framework
On be provided with support mesh, porous pottery ball is provided between support mesh.Porous pottery ball has stronger adsorption capacity, in flue gas
Small particle has a good clean-up effect, while after porous pottery ball warp carrying catalyst treatment, in flue gas sulfur dioxide, one
Carbonoxide, nitrogen oxygenate etc. have good treatment effect.By filter layer 7, active carbon particle layer 6 and ceramic honeycomb layers of balls 5
Layer-by-layer filtration treatment after, greasy dirt, dust particles, pernicious gas in flue gas etc. can be adsorbed or purified treatment, and treated
Flue gas can reach the standard of environment protection emission, have highly important environment protection significance.
The preferred embodiment of this patent is explained in detail above, but this patent is not limited to the above embodiment,
Within the knowledge of one of ordinary skill in the art, it can also be made under the premise of not departing from this patent objective
Various change.It should be understood that all other specific embodiments based on the present invention program are in protection scope of the present invention
Within.
Claims (8)
1. a kind of residential building kitchen flue gas processing system, including oil smoke input channel (1), it is characterised in that: the oil smoke input
Pipeline (1) is connected with the oil smoke entrance below smoke absorption cabinet (2), and smoke absorption cabinet (2) is vertically arranged, smoke absorption cabinet
(2) inside is disposed with ceramic honeycomb layers of balls (5), active carbon particle layer (6) and filter layer (7) from top to bottom, filtering
Layer (7) is located at the top of oil smoke input channel (1) entrance, offers exhaust outlet (3) on the top side wall of smoke absorption cabinet (2),
It is equipped on exhaust outlet (3) exhaust apparatus (4), exhaust apparatus (4) includes wind tank (8), bearing (9), exhaust fan (12), drive shaft
(13), gear (14), motor (15), controller (16) and transmission shaft (17), bearing (9) are mounted on smoke absorption cabinet (2)
Top is vertically installed with transmission shaft (17) on bearing (9), the upper end of transmission shaft (17) be pierced by the top of smoke absorption cabinet (2) and
It is fixed with wind tank (8), the lower end of transmission shaft (17) is connected through gear (14) with drive shaft (13), and one end of drive shaft (13) is solid
It is scheduled on the output shaft of motor (15), is equipped on the other end of drive shaft (13) exhaust fan (12), exhaust fan (12) is located at row
In port (3), motor (15) is connected with controller (16).
2. a kind of residential building kitchen flue gas processing system according to claim 1, it is characterised in that: the drive shaft (13)
The upper side close to exhaust fan (12) is provided with holdback (11).
3. a kind of residential building kitchen flue gas processing system according to claim 1, it is characterised in that: the transmission shaft (17)
On velocity sensor (10) are installed.
4. a kind of residential building kitchen flue gas processing system according to claim 1, it is characterised in that: described
Filter layer (7) is made of the upper filter screen (19) and lower filter screen located directly below (20) being located above, upper filter screen (19) with
There are gap between lower filter screen (20), the periphery of upper filter screen (19) and lower filter screen (20) is both provided with outline border (18), upper filter screen
(19) centre is provided with sparse hole (21), and the quadrangle of lower filter screen (20) is provided with sparse hole (21).
5. a kind of residential building kitchen flue gas processing system according to claim 4, it is characterised in that: the upper filter screen (19)
Mesh be less than lower filter screen (20) mesh.
6. a kind of residential building kitchen flue gas processing system according to claim 1, it is characterised in that: the ceramic honeycomb
Layers of balls (5) is made of outer framework, support mesh and porous pottery ball, and support mesh is provided on outer framework, is provided between support mesh more
Kong Taoqiu.
7. a kind of residential building kitchen flue gas processing system according to claim 1, it is characterised in that: the active carbon particle
Layer (6) is made of outer framework, support mesh and active carbon particle, and support mesh is provided on outer framework, is provided with work between support mesh
Property charcoal particle.
8. a kind of residential building kitchen flue gas processing system according to claim 1, it is characterised in that: the smoke absorption cabinet
(2) it is arranged when building is external, the bottom of smoke absorption cabinet (2) is provided with waste water container, and the bottom of waste water container is equipped with blowdown
Valve (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811343708.1A CN109529459A (en) | 2018-11-13 | 2018-11-13 | Residential building kitchen flue gas processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811343708.1A CN109529459A (en) | 2018-11-13 | 2018-11-13 | Residential building kitchen flue gas processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109529459A true CN109529459A (en) | 2019-03-29 |
Family
ID=65848309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811343708.1A Pending CN109529459A (en) | 2018-11-13 | 2018-11-13 | Residential building kitchen flue gas processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109529459A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013284A (en) * | 2019-12-31 | 2020-04-17 | 索罗贝格过滤消声器制造(苏州)有限公司 | Oil mist filtering and separating system convenient to clean |
| CN111530193A (en) * | 2020-05-18 | 2020-08-14 | 毛嘉豪 | Tubular dust remover for building site |
| CN114017822A (en) * | 2021-12-03 | 2022-02-08 | 苏州希瓦克智能科技有限公司 | Multifunctional pipeline smoke removing device |
-
2018
- 2018-11-13 CN CN201811343708.1A patent/CN109529459A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111013284A (en) * | 2019-12-31 | 2020-04-17 | 索罗贝格过滤消声器制造(苏州)有限公司 | Oil mist filtering and separating system convenient to clean |
| CN111530193A (en) * | 2020-05-18 | 2020-08-14 | 毛嘉豪 | Tubular dust remover for building site |
| CN114017822A (en) * | 2021-12-03 | 2022-02-08 | 苏州希瓦克智能科技有限公司 | Multifunctional pipeline smoke removing device |
| CN114017822B (en) * | 2021-12-03 | 2024-04-12 | 苏州希瓦克智能科技有限公司 | Multifunctional pipeline smoke removing device |
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Application publication date: 20190329 |
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