CN105928023A - Compound type efficient lampblack purifying equipment - Google Patents
Compound type efficient lampblack purifying equipment Download PDFInfo
- Publication number
- CN105928023A CN105928023A CN201610274911.2A CN201610274911A CN105928023A CN 105928023 A CN105928023 A CN 105928023A CN 201610274911 A CN201610274911 A CN 201610274911A CN 105928023 A CN105928023 A CN 105928023A
- Authority
- CN
- China
- Prior art keywords
- filter element
- casing
- water
- oil
- purifying
- 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
- 150000001875 compounds Chemical class 0.000 title claims abstract description 15
- 239000006233 lamp black Substances 0.000 title abstract 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 238000000926 separation method Methods 0.000 claims abstract description 7
- 238000005507 spraying Methods 0.000 claims abstract description 5
- 239000000779 smoke Substances 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 18
- 239000003517 fume Substances 0.000 claims description 14
- 238000010411 cooking Methods 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 12
- 239000007924 injection Substances 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 4
- 239000004519 grease Substances 0.000 claims description 4
- 239000007789 gas Substances 0.000 claims description 3
- 230000008676 import Effects 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 description 4
- 239000007921 spray Substances 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 238000011044 inertial separation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000005200 wet scrubbing Methods 0.000 description 1
Classifications
-
- 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
- F24C15/2057—Removing cooking fumes using a cleaning liquid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
-
- 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
- B01D46/0052—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation
- B01D46/0056—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with filtering elements moving during filtering operation with rotational movement
-
- 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
- B01D47/063—Spray cleaning with two or more jets impinging against each other
-
- 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
-
- 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
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0275—Other waste gases from food processing plants or kitchens
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The invention discloses compound type efficient lampblack purifying equipment. The compound type efficient lampblack purifying equipment comprises a purifying pipeline and an oil-water separation water tank. A lampblack suction pipeline is connected to an upper end opening of the purifying pipeline. A spraying device and a purifying device are arranged in the purifying pipeline. The spraying device is correspondingly located above the purifying device. The purifying device comprises a mixed-flow fan and a rotary filter element. The mixed-flow fan comprises a motor and an impeller. The impeller comprises a front disc, a rear disc and blades. A conical channel is formed between the front disc and the rear disc. The blades are located in the conical channel and fixed to the front disc and the rear disc. The rear disc is in linkage with the motor through a transmission device. The rotary filter element is formed by connecting filter meshes in an enclosing manner, wherein the filter meshes form an inverted-cone structure with the wide upper portion and the narrow lower portion. The rotary filter element is located at an inlet of the conical channel. A dehydrator is connected to an outlet of the conical channel. By means of the structure, the compound type efficient lampblack purifying equipment is high in lampblack capturing and cleaning efficiency.
Description
Technical field
The present invention relates to a kind of compound efficient cooking fume control equipment.
Background technology
In recent years, atmosphere polluting problem is on the rise, and haze weather occurs more and more frequent in big and medium-sized cities.All
Cause in atmospheric pollution factors, a large amount of oil smoke that catering trade produces in cooking process, not only environment is formed severe contamination,
Also the life giving people brings the biggest threat with healthy.At present, the most commonly used cooking fume control equipment mainly has electrostatic
The types such as depositing device, filter plant, wet scrubbing apparatus and inertial separation equipment.These cleaning equipments, or equipment design
Reasonability have much room for improvement, or owing to purification efficiency is the highest, or due to expensive, operating cost is high, difficult in maintenance,
The factors such as floor space is excessive, cause the fume pollution problem of urban restaurant trade can not solve well for a long time.So, to tradition
Combined oil fume purifier is optimized design, improves its purification efficiency, and makes its operation maintenance convenient, compact conformation, occupation of land
Area is little, and tool is of great significance.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of compound efficient oil higher to oil smoke seizure cleaning efficiency
Cigarette cleaning equipment.
For achieving the above object, the invention provides a kind of compound efficient cooking fume control equipment, include purification pipeline and
Oil-water separation water tank, the upper port of described purification pipeline connects oil smoke extraction duct, is provided with spraying in described purification pipeline
Device and purifier, sprayer unit correspondence is positioned at above purifier, and described purifier includes diagonal flow fan and rotation
Filter element, diagonal flow fan includes motor and impeller, and impeller includes shroud, hub disk and blade, forms cone between shroud and hub disk
Shape passage, blade is positioned in tapered channel, and fixes with forward and backward dish, and hub disk passes through actuating device and motor linkage, described
Rotating filter element be wide at the top and narrow at the bottom by filter screen inverted cone structure enclose to connect and form, the bigger diameter end of rotating filter element is fixed on shroud, rotation
The miner diameter end turning filter element is fixed on hub disk, and described rotating filter element is positioned at the import department of tapered channel, going out of described tapered channel
At Kou, connection has dehydrator, described dehydrator to include shell and inner chamber, forms exhaust gases passes in inner chamber, shell and inner chamber it
Between slit formed water stream channel, described oil-water separation water tank includes casing and downcomer, is placed with isocon in casing,
The upper end of downcomer is connected with the bottom surface of water stream channel, and the lower end of downcomer penetrates casing and is connected with isocon, the top of casing
Portion is provided with oil collect port, and described oil collect port is provided with the coaming plate that a circle raises up, and the side of described casing is equipped with excessive
Flow tube, and the inner port of overflow pipe is folded upward at extending in oil collect port, the inner port of overflow pipe is higher than oil collect port and is less than
The upper surface of coaming plate, the outer end port of overflow pipe connects grease dirt collector, be additionally provided with in described casing some pieces inclined
The deflector arranged, has also been separated to form storage tank in casing, and described storage tank lays respectively at deflector both sides with isocon,
It is provided with on the interior water inlet of storage tank into water drainage screen, described storage tank is also equiped with automatic water replenishing device, storage tank and spray
Connected by upper hose between mist device, and be equiped with water pump on described upper hose.
The invention has the beneficial effects as follows: use said structure, oil smoke first enters into through oil smoke extraction duct and purifies in pipeline,
Then the water smoke with sprayer unit ejection collides, and smoke particle is adsorbed to be caught, it is achieved purify for the first time.Remaining oil smoke
Through rotating filter element, due to rotating filter element high speed rotating under the drive of motor, therefore the smoke particle entered can be formed at a high speed
Cutting final filtration, thus oil smoke is formed second time and purifies, the mixed airflow after filtration can be made at diagonal flow fan impeller internal
Screw movement, owing to now air-flow is in strong turbulent condition, therefore oil smoke with water smoke it also occur that strong collision and by the
Purify for three times.Finally, the flue gas after purified can be attracted in the inner chamber of dehydrator discharge, and containing the steam of smoke particle
It is thrown under the influence of centrifugal force in the slit between dehydrator shell and inner chamber, and flows out along water stream channel, thus realize
Aqueous vapor separates.Hereafter, the steam containing smoke particle that water stream channel flows out is through downcomer, and under the homogenization of isocon,
Flow in casing.Owing to the density of oil is less than water, therefore oil can float over the surface of water, meanwhile, in the effect of casing inner deflector
Under, profit can preferably separate, and along with the continuous rising of liquid level, floating superincumbent oil will concentrate at oil collect port, excessive when covering
During the inner port of flow tube, will be along overflow pipe overflow collection to grease dirt collector in.In remaining current direction storage tank, and through water
Pumping is sent, and again supplies sprayer unit so that it is be cycled to used in the fume cleaning of compound efficient cooking fume control equipment.Separately, storage is worked as
During water storage deficiency in water tank, automatic water supplement can be realized by automatic water replenishing device.Further, when the work has been finished, water pump stops taking out
Water, the steam that left behind may proceed in casing, makes liquid level raise, when covering the inner port of overflow pipe, by edge
Overflow pipe overflow discharge.
The present invention can be further arranged to described sprayer unit and include an injection supervisor, and coaxial position is responsible in described injection
Directly over rotating filter element, the outer circumference surface of injection supervisor is evenly equipped with the nozzle that some courts radially outward and axially upwards spray,
The lower axial end portion of injection supervisor is equiped with solid-cone shower nozzle.
By above-mentioned setting, sprayer unit can be made to eject solid, highdensity intersection mist net, thus improve water smoke
Capturing ability to oil smoke.
The present invention may further be provided as being additionally provided with the pressure relief opening being connected, institute between shell and the inner chamber of described dehydrator
State pressure relief opening be provided above block convex edge.
By above-mentioned setting, offer pressure relief opening, the negative pressure state as the shell of dehydrator can be made to keep with inner chamber, thus
It is easy to profit flow out in time.
The present invention may further be provided and is being further opened with discharge outlet for described casing at its bottom surface.
By above-mentioned setting, offer discharge outlet, people can be easy to and discharge the sewage of case internal deposition.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the present invention；
Fig. 2 is the partial structurtes sectional view of the present invention；
Fig. 3 is the partial structurtes sectional view of the present invention；
Fig. 4 is the partial structurtes axonometric chart of the present invention；
Fig. 5 is the partial structurtes front view of the present invention；
Fig. 6 is the partial structurtes axonometric chart of the present invention；
Fig. 7 is the partial structurtes sectional view of the present invention；
Fig. 8 is downcomer and the attachment structure figure of isocon in the present invention.
Detailed description of the invention
As shown in Fig. 1,2,3,4,5,6,7,8, give a kind of compound efficient cooking fume control equipment, include clean
Changing pipeline 1 and oil-water separation water tank, the upper port of described purification pipeline 1 connects oil smoke extraction duct 2, described purification pipe
Being provided with sprayer unit 3 and purifier 4 in road 1, sprayer unit 3 correspondence is positioned at above purifier 4, described spraying
Device 3 includes an injection supervisor 31, and described injection supervisor 31 is coaxially located at directly over rotating filter element 41, injection supervisor
The nozzle 32 that some courts radially outward and axially upwards spray, the lower axial end of injection supervisor 31 it is evenly equipped with on the outer circumference surface of 31
Portion is equiped with solid-cone shower nozzle 33.Described purifier 4 includes diagonal flow fan and rotating filter element 41, and diagonal flow fan includes
Having motor 42 and impeller, impeller includes shroud 43, hub disk 44 and blade 45, forms cone between shroud 43 and hub disk 44
Shape passage 46, blade 45 is positioned in tapered channel 46, and fixes with shroud 43, hub disk 44, and hub disk 44 passes through transmission
Device 47 links with motor 42, and the inverted cone structure that described rotating filter element 41 is wide at the top and narrow at the bottom by filter screen is enclosed to connect and formed, rotation
The bigger diameter end turning filter element 41 is fixed on shroud 43, and the miner diameter end of rotating filter element 41 is fixed on hub disk 44, and described rotation
Filter element 41 is positioned at the import department of tapered channel 46, and the exit of described tapered channel 46 connects dehydrator 5, and described is de-
Hydrophone 5 includes shell 51 and inner chamber 52, forms exhaust gases passes, the slit between shell 51 and inner chamber 52 in inner chamber 52
53 form water stream channel, are additionally provided with the pressure relief opening 54 being connected between the shell 51 of described dehydrator 5 and inner chamber 52, described
Being provided above of pressure relief opening 54 blocks convex edge 55.Described oil-water separation water tank includes casing 6 and downcomer 7, casing
Being placed with isocon 8 in 6, the upper end of downcomer 7 is connected with the bottom surface of water stream channel, and the lower end of downcomer 7 penetrates casing
6 are connected with isocon 8, and the top of casing 6 is provided with oil collect port 61, and around described oil collect port 61 be provided with a circle to
The coaming plate 62 of upper projection, the side of described casing 6 is equipped with overflow pipe 9, and the inner port 91 of overflow pipe 9 is folded upward at
Extending in oil collect port 61, the inner port 91 of overflow pipe 9 is higher than oil collect port 61 upper surface less than coaming plate 62, overflow
The outer end port of pipe 9 connects grease dirt collector 92, is additionally provided with the some pieces of water conservancy diversion being inclined to set in described casing 6
Plate 63, has also been separated to form storage tank 64 in casing 6, and described storage tank 64 lays respectively at deflector 63 with isocon 8
Both sides, the interior water inlet of storage tank 64 are provided with into water drainage screen 65, and described storage tank 64 is also equiped with benefit automatically
Hydrophone, the structure of described automatic water replenishing device, compared with the automatic water replenishing device in toilet seat in technology, is not described in detail.Storage
It is connected by upper hose 66 between water tank 64 with sprayer unit 3, and is equiped with water pump 10 on described upper hose 66.Described
Casing 6 is being further opened with discharge outlet 67 at its bottom surface.By using said structure, the invention provides a kind of to oil smoke
Catch the compound efficient cooking fume control equipment that cleaning efficiency is higher.
Claims (4)
1. a compound efficient cooking fume control equipment, it is characterised in that: include purification pipeline and oil-water separation water tank, described only
The upper port connection changing pipeline has oil smoke extraction duct, is provided with sprayer unit and purifier, spraying in described purification pipeline
Device correspondence is positioned at above purifier, and described purifier includes diagonal flow fan and rotating filter element, and diagonal flow fan includes
Motor and impeller, impeller includes shroud, hub disk and blade, forms tapered channel between shroud and hub disk, and blade is positioned at taper
In passage, and fixing with forward and backward dish, hub disk passes through actuating device and motor linkage, and described rotating filter element is presented by filter screen
Inverted cone structure narrow under width is enclosed to connect and is formed, and the bigger diameter end of rotating filter element is fixed on shroud, and the miner diameter end of rotating filter element is fixed on
On hub disk, and described rotating filter element is positioned at the import department of tapered channel, and the exit of described tapered channel connects dehydrator, institute
The dehydrator stated includes shell and inner chamber, forms exhaust gases passes in inner chamber, and the slit between shell and inner chamber forms water stream channel,
Described oil-water separation water tank includes casing and downcomer, is placed with isocon in casing, the upper end of downcomer and water stream channel
Bottom surface be connected, the lower end of downcomer penetrates casing and is connected with isocon, and the top of casing is provided with oil collect port, and around
Described oil collect port is provided with the coaming plate that a circle raises up, and the side of described casing is equipped with overflow pipe, and the inner end of overflow pipe
Mouth is folded upward at extending in oil collect port, and the inner port of overflow pipe is higher than oil collect port the upper surface less than coaming plate, overflow pipe
Outer end port connects grease dirt collector, is additionally provided with the some pieces of deflectors being inclined to set in described casing, in casing also
It is separated to form storage tank, and described storage tank has laid respectively at deflector both sides with isocon, and the interior water inlet of storage tank is arranged
Have into water drainage screen, described storage tank is also equiped with automatic water replenishing device, between storage tank and sprayer unit by upper hose even
Connect, and be equiped with water pump on described upper hose.
Compound efficient cooking fume control equipment the most according to claim 1, it is characterised in that: described sprayer unit includes
One injection supervisor, described injection supervisor is coaxially located at directly over rotating filter element, the outer circumference surface of injection supervisor is evenly equipped with some
Towards the nozzle radially outward and axially upwards sprayed, the lower axial end portion of injection supervisor is equiped with solid-cone shower nozzle.
Compound efficient cooking fume control equipment the most according to claim 1, it is characterised in that: the shell of described dehydrator is with interior
Being additionally provided with the pressure relief opening being connected between chamber, being provided above of described pressure relief opening blocks convex edge.
Compound efficient cooking fume control equipment the most according to claim 1, it is characterised in that: described casing is near its bottom surface
Place is further opened with discharge outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610274911.2A CN105928023A (en) | 2016-04-21 | 2016-04-21 | Compound type efficient lampblack purifying equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610274911.2A CN105928023A (en) | 2016-04-21 | 2016-04-21 | Compound type efficient lampblack purifying equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105928023A true CN105928023A (en) | 2016-09-07 |
Family
ID=56837592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610274911.2A Pending CN105928023A (en) | 2016-04-21 | 2016-04-21 | Compound type efficient lampblack purifying equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105928023A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107965826A (en) * | 2017-06-28 | 2018-04-27 | 肖英佳 | Remove contamination cleaning type commercialization range hood |
| CN108980927A (en) * | 2017-05-31 | 2018-12-11 | 美的集团股份有限公司 | Smoke exhaust ventilator |
| CN110925907A (en) * | 2019-12-03 | 2020-03-27 | 深圳市微语信息技术开发有限公司 | Air purifier with multilayer purification performance |
| CN111420493A (en) * | 2020-03-19 | 2020-07-17 | 郑州朴华科技有限公司 | High-temperature oil smoke waste gas treatment device |
| US20210387300A1 (en) * | 2019-01-31 | 2021-12-16 | Qingdao university of technology | Oil mist recovery, separation and purification device for minimum quantity lubricant grinding process |
| CN114504905A (en) * | 2022-01-27 | 2022-05-17 | 佛山市科蓝环保科技股份有限公司 | Water spray set and gas cleaning system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2522768Y (en) * | 2002-01-08 | 2002-11-27 | 林开族 | Water-carrying smoke-hood oil-fume purifying device |
| CN2672512Y (en) * | 2003-10-30 | 2005-01-19 | 国家环境保护总局南京环境科学研究所 | Fume exhaust device |
| JP2006292344A (en) * | 2005-04-08 | 2006-10-26 | Tomoko Shinohara | Smoke exhaust device for cooker |
| CN201779737U (en) * | 2010-09-01 | 2011-03-30 | 北京威驰节能技术有限公司 | Front end wet-type oil fume purifier in food industry |
| TW201131125A (en) * | 2010-03-15 | 2011-09-16 | yi-zhang Cai | Centrifugal spray smoke exhaust ventilator |
| CN203678207U (en) * | 2013-12-30 | 2014-07-02 | 上海泽焘环保科技有限公司 | Oil smoke purification device |
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- 2016-04-21 CN CN201610274911.2A patent/CN105928023A/en active Pending
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|---|---|---|---|---|
| CN2522768Y (en) * | 2002-01-08 | 2002-11-27 | 林开族 | Water-carrying smoke-hood oil-fume purifying device |
| CN2672512Y (en) * | 2003-10-30 | 2005-01-19 | 国家环境保护总局南京环境科学研究所 | Fume exhaust device |
| JP2006292344A (en) * | 2005-04-08 | 2006-10-26 | Tomoko Shinohara | Smoke exhaust device for cooker |
| TW201131125A (en) * | 2010-03-15 | 2011-09-16 | yi-zhang Cai | Centrifugal spray smoke exhaust ventilator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980927A (en) * | 2017-05-31 | 2018-12-11 | 美的集团股份有限公司 | Smoke exhaust ventilator |
| CN107965826A (en) * | 2017-06-28 | 2018-04-27 | 肖英佳 | Remove contamination cleaning type commercialization range hood |
| US20210387300A1 (en) * | 2019-01-31 | 2021-12-16 | Qingdao university of technology | Oil mist recovery, separation and purification device for minimum quantity lubricant grinding process |
| US11898699B2 (en) * | 2019-01-31 | 2024-02-13 | Qingdao university of technology | Oil mist recovery, separation and purification device for minimum quantity lubricant grinding process |
| CN110925907A (en) * | 2019-12-03 | 2020-03-27 | 深圳市微语信息技术开发有限公司 | Air purifier with multilayer purification performance |
| CN111420493A (en) * | 2020-03-19 | 2020-07-17 | 郑州朴华科技有限公司 | High-temperature oil smoke waste gas treatment device |
| CN114504905A (en) * | 2022-01-27 | 2022-05-17 | 佛山市科蓝环保科技股份有限公司 | Water spray set and gas cleaning system |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160907 |
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| WD01 | Invention patent application deemed withdrawn after publication |