CN107642807A - A kind of method of purifying oil fume - Google Patents
A kind of method of purifying oil fume Download PDFInfo
- Publication number
- CN107642807A CN107642807A CN201610582012.9A CN201610582012A CN107642807A CN 107642807 A CN107642807 A CN 107642807A CN 201610582012 A CN201610582012 A CN 201610582012A CN 107642807 A CN107642807 A CN 107642807A
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- Prior art keywords
- oil smoke
- reservoir
- cone
- grabber
- capture liquid
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- Pending
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 239000003517 fume Substances 0.000 title claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 45
- 238000001179 sorption measurement Methods 0.000 claims abstract description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims abstract description 14
- 239000011941 photocatalyst Substances 0.000 claims abstract description 14
- 239000000203 mixture Substances 0.000 claims abstract description 9
- 230000003647 oxidation Effects 0.000 claims abstract description 9
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 9
- 238000007146 photocatalysis Methods 0.000 claims abstract description 7
- 230000001699 photocatalysis Effects 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 6
- -1 blower fan Substances 0.000 claims abstract description 5
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 239000003344 environmental pollutant Substances 0.000 claims description 10
- 231100000719 pollutant Toxicity 0.000 claims description 10
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 3
- 239000011780 sodium chloride Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims 1
- 239000003570 air Substances 0.000 abstract description 16
- 230000015556 catabolic process Effects 0.000 abstract description 6
- 238000006555 catalytic reaction Methods 0.000 abstract description 6
- 238000006731 degradation reaction Methods 0.000 abstract description 6
- 238000002309 gasification Methods 0.000 abstract description 6
- 239000003595 mist Substances 0.000 abstract description 6
- 238000000889 atomisation Methods 0.000 abstract description 4
- 239000000243 solution Substances 0.000 abstract description 4
- 239000012080 ambient air Substances 0.000 abstract description 3
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 238000010411 cooking Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241001674044 Blattodea Species 0.000 description 1
- 241000255925 Diptera Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 231100000481 chemical toxicant Toxicity 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 210000000987 immune system Anatomy 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Abstract
The present invention relates to a kind of method of purifying oil fume, the device that this method is related to is by gas skirt, oil smoke passage, atomizer, heat ring, water pipe, cone grabber, motor, adsorption net, activated carbon, blower fan, air dissolved pump, filter for molten, battery lead plate, ultraviolet lamp tube, reservoir, photocatalyst, capture liquid, frame, support, grid, vibrator, outer shroud and silk screen composition, this method is directed to the physicochemical characteristic of oil smoke, it is thin that granularity is produced by air dissolved pump atomization technique, the gasification capture liquid mist being evenly distributed, after these gasification capture liquid mists mix with oil smoke, oil smoke can be made to be adsorbed on the particle of gasification capture liquid mist, pass through spraying technique again, it will be captured by the oil smoke mixed with capture liquid mist in the aqueous solution, degradation treatment is carried out to capturing the oil smoke in solution by the method for photocatalysis and electro-catalysis synergistic oxidation again.The pollution to external environment condition is avoided, relatively sanitary clean environment can be provided for the Work places of food process, the pollution of ambient air environment will not be also caused because of the diffusion of oil smoke.
Description
Technical field
The present invention relates to a kind of method of purifying oil fume, belong to environmental technology field.
Background technology
Kitchen fumes are widely present in the kitchen of residential households and catering trade, because containing a variety of toxic chemicals, meeting in oil smoke
Injure respiratory system, the immune system of people, it has also become influence the potential hazard factor of cooking personnel and other public's healths.
The main methods of current kitchen fumes have:(1) wet processed technology, (2) mechanical treatment technology, (3) are quiet
Electric-type treatment technology, (4) are burned and catalytic treatment technology.In these methods, except " burning and catalysis treatment method " is
Outside purified treatment, others belong to emission control.Discharge control method is that oil smoke caused by the cooking is captured, and makes it
Do not drain into air directly, but the pollutants from cooking fume captured, which does not have degradation treatment, to be fallen, and is often accumulated on filter screen and long-pending
In oil groove, finally still it is discharged into external environment condition, easily causes secondary pollution.Meanwhile these are attached on fume treating device
Oil smoke, mosquito is easily grown in processing equipment, bacterial growth, attracts the animal such as cockroach and mouse, allowing extremely to defend
The operating environment of raw food processing site is deteriorated.And these processing methods, the partial particulate shape that can only be captured in oil smoke are dirty
Thing and VOCs are contaminated, still has part oil smoke and the peculiar smell discharging of the overwhelming majority into air, causes air pollution.
" burning and catalysis treatment method " can carry out purified treatment to oil smoke in fact, but have in actual application, generally require
Pass through multistage catalytic.So that the cost of equipment is high, and it can often change and urge because catalyst activity fails in use
Change material, operating cost and maintenance cost are higher, are not suitable for large-scale promotion.
The content of the invention
Present invention aims at, there is provided a kind of method of purifying oil fume, the device that this method is related to are led to by gas skirt, oil smoke
Road, atomizer, heating ring, water pipe, cone grabber, motor, adsorption net, activated carbon, blower fan, air dissolved pump, filter for molten,
Battery lead plate, ultraviolet lamp tube, reservoir, photocatalyst, capture liquid, frame, support, grid, vibrator, outer shroud and silk screen group
Into this method is directed to the physicochemical characteristic of oil smoke, and the gasification that granularity is thin, is evenly distributed is produced by air dissolved pump atomization technique
Liquid mist is captured, after these gasification capture liquid mists mix with oil smoke, oil smoke can be made to be adsorbed on the particle of gasification capture liquid mist, then lead to
Spraying technique is crossed, will be captured by the oil smoke mixed with capture liquid mist in the aqueous solution, then oxygen is cooperateed with electro-catalysis by photocatalysis
The method of change carries out degradation treatment to capturing the oil smoke in solution.The pollution to external environment condition is avoided, can be food process
Work places relatively sanitary clean environment is provided, the pollution of ambient air environment will not be also caused because of the diffusion of oil smoke.
A kind of method of purifying oil fume of the present invention, this method be related to device be by gas skirt, oil smoke passage, atomizer,
Heat ring, water pipe, cone grabber, motor, adsorption net, activated carbon, blower fan, air dissolved pump, filter for molten, battery lead plate, purple
Outer fluorescent tube, reservoir, photocatalyst, capture liquid, frame, support, grid, vibrator, outer shroud and silk screen composition, in gas collection
The periphery of inner wall for covering the oil smoke passage (2) above (1) sets atomizer (3), and atomizer (3) is made up of multigroup shower nozzle,
Atomizer (3) is connected with one end of water pipe (5), heating ring (4) ring set on water pipe (5), water pipe (5) it is another
End is connected with reservoir (15), and fixes air dissolved pump (11) and filter for molten (12) respectively on water pipe (5), is led in oil smoke
Cone grabber (6), motor (7), adsorption net (8) and activated carbon (9) are respectively arranged with the middle part of road (2), cone is caught
Obtain device (6) to be made up of the upper conical surface and lower baseplane, the lower baseplane of cone grabber (6) is by outer shroud (22) and silk
Net (23) is formed, and the upper conical surface is made up of equally distributed fine rule, the vertex of a cone of the upper conical surface of one end connection of fine rule, the other end
Outer shroud (22) interior frame of the lower baseplane of connection, cone grabber (6) are connected with motor (7), adsorption net (8) be by
Frame (18), support (19).Grid (20) and vibrator (21) composition, it is solid in " cross " type in frame (18)
Fixed rack (19), the grid (20) in support (19) center fixation vibrator (21), adsorption net (8) is in fish
Bone-shaped, the rear end of oil smoke passage (2) are connected with blower fan (10), are provided with and store up in the lower end at the middle part of oil smoke passage (2)
The outlet of liquid device (15) connection, fixed plate electrode (13) is distinguished in the both sides of reservoir (15), on battery lead plate (13)
Well-regulated hole, capture liquid (17) can freely flow through these holes, and battery lead plate (13) is by one piece of minus plate and polylith
Positive plate forms, and all positive plates share one piece of minus plate, the bottom of reservoir (15) provided with ultraviolet lamp tube (14) and
Photocatalyst (16), capture liquid (17) is provided with reservoir (15), ultraviolet lamp tube (14) and photocatalyst (16) are immersed in
Under the liquid level for capturing liquid (17), photocatalyst (16) is fixed on the porous material, and concrete operations follow these steps to carry out：
A, air dissolved pump (11) is opened, passes through filter for molten (12) from reservoir (15) in the inner liquid (17) that will capture of water pipe (5)
Filter, after heated 40-80 DEG C of ring (4) heating-up temperature, be sent to atomizer (3), formed and sprayed by atomizer (3),
Oil smoke by oil smoke passage (2) is carried out to be atomized mixing and spray；
B, it is provided with and reservoir (15) by the lower end at the middle part of oil smoke passage (2) through being atomized a mixed oil smoke part
The outlet of connection, fallen into capture liquid (17) in reservoir (15), remainder is adsorbed net (8) and cone grabber
(6) outlet connected with reservoir (15) is provided with by the lower end at the middle part of oil smoke passage (2) after capturing, into liquid storage
In device (15), by the minimal amount of pollutant in the gas of adsorption net (8) and cone grabber (6) by activated carbon (9)
Absorb, make oil smoke obtain most thoroughly capturing；
C, oil smoke and capture liquid (17) after capturing are flowed into reservoir (15) together, are opened in reservoir (15)
Ultraviolet lamp tube (14) and battery lead plate (13) power supply, under the collective effect of photocatalysis and electrocatalytic oxidation, to reservoir (15)
In pollutant carry out decomposing, purifying.
The amount for entering air of air dissolved pump (11) is into 3-9 times of the amount for capturing liquid (17).
Capture liquid (17) by weight proportion 1:3:0.5 aqueous solution being configured to by sodium chloride, sodium carbonate and aluminium polychloride.
Adsorption net (8) arranges that the vibrator (21) being fixed in adsorption net (8) is that batch (-type) vibrates to be multistage, and
Vibrator (21) in adjacent adsorption net (8) keeps asynchronous vibration.
Oil smoke is captured spy by a kind of method of purifying oil fume of the present invention, this method by the above-mentioned catching method of the present invention
In the capture liquid of system, then by photocatalysis and electro-catalysis synergistic oxidation to capturing the progress degradation treatment of the oil smoke in solution.Can handle
Graininess composition and gas harmful material in oil smoke are all captured in special solution, and oil smoke would not be discharged into the environment of periphery
In, it will not also be adhered on the inwall of fume treating device, the oil smoke meeting and capture liquid by spray capture are stored in processing together
In the reservoir of equipment, then by the method for oxidation of photocatalysis and electro-catalysis collaboration, the fume pollution being dissolved in the aqueous solution
Thing degradation treatment.The method for oxidation of this collaboration, have the characteristics that oxidability is strong, oxidation object range is wide, oxidation is thorough,
Particulate matter in oil smoke and peculiar smell can be all degraded.Oil smoke can be made to obtain thorough degradation treatment, avoided to external environment condition
Pollution and the pollution to fume treating device in itself.Relatively sanitary clean environment can be provided for the Work places of food process,
Also the pollution of ambient air environment will not be caused because of the diffusion of oil smoke.
Brief description of the drawings
Fig. 1 is apparatus of the present invention structural representation.
Fig. 2 is the structural representation of adsorption net of the present invention.
Fig. 3 is the structural representation of grid of the present invention.
Fig. 4 is the baseplane structure chart of cone grabber of the present invention.
Embodiment
Embodiment
A kind of method of purifying oil fume of the present invention, this method be related to device be by gas skirt, oil smoke passage, atomizer,
Heat ring, water pipe, cone grabber, motor, adsorption net, activated carbon, blower fan, air dissolved pump, filter for molten, battery lead plate, purple
Outer fluorescent tube, reservoir, photocatalyst, capture liquid, frame, support, grid, vibrator, outer shroud and silk screen composition, in gas collection
The periphery of inner wall of the oil smoke passage 2 of the top of cover 1 sets atomizer 3, and atomizer 3 is made up of multigroup shower nozzle, atomizer 3 with
One end connection of water pipe 5, on water pipe 5, the other end of water pipe 5 is connected the heating ring set of ring 4 with reservoir 15, and in water
Air dissolved pump 11 and filter for molten 12 are fixed on pipe 5 respectively, cone grabber 6, electricity are respectively arranged with the middle part of oil smoke passage 2
Machine 7, adsorption net 8 and activated carbon 9, cone grabber 6 are made up of the upper conical surface and lower baseplane, cone grabber 6
Lower baseplane is made up of outer shroud 22 and silk screen 23, and the upper conical surface is made up of equally distributed fine rule or silk screen, and the one of fine rule
The vertex of a cone of the upper conical surface of end connection, the interior frame of outer shroud 22 of the lower baseplane of other end connection, cone grabber 6 are connected with motor 7,
Adsorption net 8 is made up of frame 18, support 19, grid 20 and vibrator 21, is fixed in frame 18 in " cross " type
Support 19, fixes vibrator 21 in the center of support 19, and the vibration frequency of vibrator 21 is 50-700Hz, adsorption net 8
In grid 20 be in herring-bone form, the rear end of oil smoke passage 2 is connected with blower fan 10, the middle part of oil smoke passage 2 lower end set
There is the outlet connected with reservoir 15, fixed plate electrode 13 is distinguished in the both sides of reservoir 15, it is regular on battery lead plate 13
Hole, capture liquid 17 is by weight 1:3:0.5 is configured to the aqueous solution by sodium chloride, sodium carbonate and aluminium polychloride, passes through
Hole is freely flowed through in reservoir 15, and battery lead plate 13 is made up of one piece of minus plate and polylith positive plate, all positive plates
One piece of minus plate is shared, reservoir 15 is made up of corrosion resistant insulating materials, and ultraviolet lamp tube is provided with the bottom of reservoir 15
14 and photocatalyst 16, ultraviolet lamp tube 14 be to be formed by the lighting tube combination of UVC and UVB different wave lengths, in the internal memory of reservoir 15
There is capture liquid 17, ultraviolet lamp tube 14 and photocatalyst 16 are immersed under the liquid level of capture liquid 17, and photocatalyst 16 is fixed on porous
On material, concrete operations follow these steps to carry out：
A, when opening blower fan 10, the oil smoke of outside is pumped into oil smoke passage 2 by gas skirt 1, opens air dissolved pump
11, the amount for entering air of air dissolved pump 11 be into 3-9 times of the amount for capturing liquid 17, in water pipe 5 will capture liquid 17 from liquid storage
Device 15 filters by filter for molten 12, after heated 40-80 DEG C of 4 heating-up temperature of ring, is sent in atomizer 3, by atomization
Device 3 forms spraying, and the oil smoke by oil smoke passage 2 is carried out to be atomized mixing and spray；
B, the lower end at the middle part of oil smoke passage 2 is provided with what is connected with reservoir 15 through being atomized a mixed oil smoke part
Outlet, fallen into capture liquid 17 in reservoir 15, remainder passes through oil smoke after being adsorbed net 8 and the capture of cone grabber 6
The lower end at the middle part of passage 2 is provided with the outlet connected with reservoir 15 and entered in reservoir 15, by adsorption net 8 and cone
Minimal amount of pollutant in the gas of grabber 6 is absorbed by activated carbon 9, and adsorption net 8 is arranged to be multistage, is fixed on adsorption net
Vibrator 21 on 8 is batch (-type) vibration, and the vibrator 21 in adjacent adsorption net 8 keeps asynchronous vibration, makes oil smoke
Obtain most thoroughly capturing, the pollutants from cooking fume in pipeline is most thoroughly purified, wherein the clearance of granular pollutant reaches
To 99.5%, the clearance of the pollutant of gas reaches 97%；
C, oil smoke and capture liquid 17 after capturing are flowed into reservoir 15 together, and ultraviolet lamp tube is opened in reservoir 15
14 and the power supply of battery lead plate 13, under the collective effect of photocatalysis and electrocatalytic oxidation, the pollutant in reservoir 15 is carried out
Decomposing, purifying, the liquid after purification are re-used for atomisation, and realization recycles.
By the method for the invention, thorough, quick, high-efficient purification is carried out to oil smoke, and produce without secondary pollution.
Claims (4)
- A kind of 1. method of purifying oil fume, it is made up of it is characterized in that this method is related to device gas skirt, oil smoke passage, atomizer, heating ring, water pipe, cone grabber, motor, adsorption net, activated carbon, blower fan, air dissolved pump, filter for molten, battery lead plate, ultraviolet lamp tube, reservoir, photocatalyst, capture liquid, frame, support, grid, vibrator, outer shroud and silk screen, in gas skirt（1）The oil smoke passage of top（2）Periphery of inner wall set atomizer（3）, atomizer（3）It is made up of multigroup shower nozzle, atomizer（3）With water pipe（5）One end connection, heat ring（4）Ring set is in water pipe（5）On, water pipe（5）The other end and reservoir（15）Connection, and in water pipe（5）It is upper to fix air dissolved pump respectively（11）And filter for molten（12）, in oil smoke passage（2）Middle part be respectively arranged with cone grabber（6）, motor（7）, adsorption net（8）And activated carbon（9）, cone grabber（6）It is made up of the upper conical surface and lower baseplane, cone grabber（6）Lower baseplane be by outer shroud（22）And silk screen（23）Composition, the upper conical surface are made up of equally distributed fine rule or silk screen, the vertex of a cone of the upper conical surface of one end connection of fine rule, the outer shroud of the lower baseplane of other end connection（22）Interior frame, cone grabber（6）With motor（7）Connection, adsorption net（8）It is by frame（18）, support（19）, grid（20）And vibrator（21）Composition, in frame（18）Interior is in " cross " type fixed support（19）, in support（19）Vibrator is fixed in center（21）, adsorption net（8）In grid（20）In herring-bone form, oil smoke passage（2）Rear end and blower fan（10）Connection, in oil smoke passage（2）The lower end at middle part be provided with and reservoir（15）The outlet of connection, in reservoir（15）Both sides difference fixed plate electrode（13）, in battery lead plate（13）Upper well-regulated hole, captures liquid（17）Reservoir is flowed freely into by hole（15）In, battery lead plate（13）It is made up of one piece of minus plate and polylith positive plate, all positive plates share one piece of minus plate, in reservoir（15）Bottom be provided with ultraviolet lamp tube（14）And photocatalyst（16）, in reservoir（15）Inside there is capture liquid（17）, ultraviolet lamp tube（14）And photocatalyst（16）It is immersed in capture liquid（17）Liquid level under, photocatalyst（16）Fix on the porous material, concrete operations follow these steps to carry out：A, air dissolved pump is opened（11）, in water pipe（5）In will capture liquid（17）From reservoir（15）By filter for molten（12）Filtering, heated ring（4）After 40-80 DEG C of heating-up temperature, atomizer is sent to（3）, by atomizer（3）Spraying is formed, to passing through oil smoke passage（2）Oil smoke carry out being atomized mixing and spray；B, oil smoke passage is passed through through being atomized a mixed oil smoke part（2）The lower end at middle part be provided with and reservoir（15）The outlet of connection, with capture liquid（17）Fall into reservoir（15）In, remainder is adsorbed net（8）With cone grabber（6）Pass through oil smoke passage after capture（2）The lower end at middle part be provided with and reservoir（15）The outlet of connection enters reservoir（15）In, by adsorption net（8）With cone grabber（6）Gas in minimal amount of pollutant by activated carbon（9）Absorb, make oil smoke obtain most thoroughly capturing；C, oil smoke and capture liquid after capturing（17）Reservoir is flowed into together（15）In, in reservoir（15）Middle unlatching ultraviolet lamp tube（14）And battery lead plate（13）Power supply, under the collective effect of photocatalysis and electrocatalytic oxidation, to reservoir（15）In pollutant carry out decomposing, purifying.
- 2. the method for purifying oil fume according to claim 1, it is characterised in that air dissolved pump（11）The amount for entering air be into capturing liquid（17）3-9 times of amount.
- 3. the method for purifying oil fume according to claim 1, it is characterised in that capture liquid（17）By weight proportion 1:3:0.5 aqueous solution being configured to by sodium chloride, sodium carbonate and aluminium polychloride.
- 4. according to the method for claim 1 purifying oil fume, it is characterised in that adsorption net（8）Arranged for multistage, be fixed on adsorption net（8）On vibrator（21）It is that batch (-type) vibrates, and adjacent adsorption net（8）On vibrator（21）Keep asynchronous vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610582012.9A CN107642807A (en) | 2016-07-21 | 2016-07-21 | A kind of method of purifying oil fume |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610582012.9A CN107642807A (en) | 2016-07-21 | 2016-07-21 | A kind of method of purifying oil fume |
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| Publication Number | Publication Date |
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| CN107642807A true CN107642807A (en) | 2018-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610582012.9A Pending CN107642807A (en) | 2016-07-21 | 2016-07-21 | A kind of method of purifying oil fume |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108720298A (en) * | 2018-06-04 | 2018-11-02 | 方高健 | A kind of environment-friendly type Snack carriage with purification function |
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| US20040110458A1 (en) * | 2000-01-18 | 2004-06-10 | Shinji Kato | Exhaust purification apparatus and utilization thereof |
| CN1336245A (en) * | 2000-07-29 | 2002-02-20 | 董宜昌 | Deep and long cage oil filtering screen |
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| CN108720298A (en) * | 2018-06-04 | 2018-11-02 | 方高健 | A kind of environment-friendly type Snack carriage with purification function |
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