CN108579309A - A kind of oil flue waste gas pretreatment system and method - Google Patents
A kind of oil flue waste gas pretreatment system and method Download PDFInfo
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- CN108579309A CN108579309A CN201810732249.XA CN201810732249A CN108579309A CN 108579309 A CN108579309 A CN 108579309A CN 201810732249 A CN201810732249 A CN 201810732249A CN 108579309 A CN108579309 A CN 108579309A
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- oil
- woven wire
- waste gas
- flue waste
- oil flue
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- 239000002912 waste gas Substances 0.000 title claims abstract description 142
- 238000000034 method Methods 0.000 title claims abstract description 27
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 65
- 238000001914 filtration Methods 0.000 claims abstract description 62
- 239000007789 gas Substances 0.000 claims abstract description 47
- 238000004140 cleaning Methods 0.000 claims abstract description 41
- 230000008929 regeneration Effects 0.000 claims abstract description 22
- 238000011069 regeneration method Methods 0.000 claims abstract description 22
- 230000033001 locomotion Effects 0.000 claims description 67
- 230000005540 biological transmission Effects 0.000 claims description 66
- 238000005273 aeration Methods 0.000 claims description 61
- 239000007788 liquid Substances 0.000 claims description 50
- 238000005276 aerator Methods 0.000 claims description 36
- 229910001220 stainless steel Inorganic materials 0.000 claims description 35
- 239000010935 stainless steel Substances 0.000 claims description 34
- 238000005192 partition Methods 0.000 claims description 27
- 239000011148 porous material Substances 0.000 claims description 25
- 239000007921 spray Substances 0.000 claims description 22
- 238000001179 sorption measurement Methods 0.000 claims description 20
- 238000007790 scraping Methods 0.000 claims description 19
- 238000005507 spraying Methods 0.000 claims description 19
- 239000000779 smoke Substances 0.000 claims description 15
- 239000012459 cleaning agent Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 10
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 9
- 239000010931 gold Substances 0.000 claims description 9
- 229910052737 gold Inorganic materials 0.000 claims description 9
- -1 alkyl naphthalene sulfonic acid sodium salt Chemical compound 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000004411 aluminium Substances 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 229920002401 polyacrylamide Polymers 0.000 claims description 6
- 239000003595 mist Substances 0.000 claims description 4
- 229940117013 triethanolamine oleate Drugs 0.000 claims description 4
- ICLYJLBTOGPLMC-KVVVOXFISA-N (z)-octadec-9-enoate;tris(2-hydroxyethyl)azanium Chemical compound OCCN(CCO)CCO.CCCCCCCC\C=C/CCCCCCCC(O)=O ICLYJLBTOGPLMC-KVVVOXFISA-N 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 3
- UPHWVVKYDQHTCF-UHFFFAOYSA-N octadecylazanium;acetate Chemical compound CC(O)=O.CCCCCCCCCCCCCCCCCCN UPHWVVKYDQHTCF-UHFFFAOYSA-N 0.000 claims description 3
- 238000000889 atomisation Methods 0.000 claims description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims 2
- 239000003546 flue gas Substances 0.000 claims 2
- 239000002253 acid Substances 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000002351 wastewater Substances 0.000 abstract description 10
- 239000000203 mixture Substances 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 311
- 239000000463 material Substances 0.000 description 15
- 239000000428 dust Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 10
- 235000019504 cigarettes Nutrition 0.000 description 8
- 238000005406 washing Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 239000002737 fuel gas Substances 0.000 description 4
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- 239000002699 waste material Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- WRIDQFICGBMAFQ-UHFFFAOYSA-N (E)-8-Octadecenoic acid Natural products CCCCCCCCCC=CCCCCCCC(O)=O WRIDQFICGBMAFQ-UHFFFAOYSA-N 0.000 description 1
- LQJBNNIYVWPHFW-UHFFFAOYSA-N 20:1omega9c fatty acid Natural products CCCCCCCCCCC=CCCCCCCCC(O)=O LQJBNNIYVWPHFW-UHFFFAOYSA-N 0.000 description 1
- QSBYPNXLFMSGKH-UHFFFAOYSA-N 9-Heptadecensaeure Natural products CCCCCCCC=CCCCCCCCC(O)=O QSBYPNXLFMSGKH-UHFFFAOYSA-N 0.000 description 1
- 241001388119 Anisotremus surinamensis Species 0.000 description 1
- 206010058467 Lung neoplasm malignant Diseases 0.000 description 1
- ZQPPMHVWECSIRJ-UHFFFAOYSA-N Oleic acid Natural products CCCCCCCCC=CCCCCCCCC(O)=O ZQPPMHVWECSIRJ-UHFFFAOYSA-N 0.000 description 1
- 239000005642 Oleic acid Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000003796 beauty Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000004027 cell Anatomy 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005713 exacerbation Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- QXJSBBXBKPUZAA-UHFFFAOYSA-N isooleic acid Natural products CCCCCCCC=CCCCCCCCCC(O)=O QXJSBBXBKPUZAA-UHFFFAOYSA-N 0.000 description 1
- 201000005202 lung cancer Diseases 0.000 description 1
- 208000020816 lung neoplasm Diseases 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- ZQPPMHVWECSIRJ-KTKRTIGZSA-N oleic acid Chemical compound CCCCCCCC\C=C/CCCCCCCC(O)=O ZQPPMHVWECSIRJ-KTKRTIGZSA-N 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
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Classifications
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treating Waste Gases (AREA)
- Separation Of Particles Using Liquids (AREA)
Abstract
The present invention provides a kind of oil flue waste gas pretreatment system and method, oil flue waste gas pretreatment system includes the sprayer unit set gradually along pending oil flue waste gas flow direction and oil removing unit；Oil removing unit includes the first metal filtration oil removing module set gradually along pending exhaust gas flow direction and the second metal filtration oil removing module, and the first metal filtration oil removing module includes the first woven wire；Second metal filtration oil removing module includes the second woven wire；Further include power unit, for driving the first woven wire and the rotation of the second woven wire；And regeneration unit.The oil flue waste gas pretreatment system and method can efficiently, continuously handle oil flue waste gas, water consumption is relatively low, wastewater flow rate is small, it is not high to the component requirements of exhaust gas, handle it is large-minded, can on-line regeneration continuous operation, be not necessarily to artificial cleaning, especially suitable for various concentration oil composition exhaust gas, it is also applied for dust-laden exhaust gas.
Description
Technical field
The invention belongs to technical field of environmental purification, it is related to a kind of oil flue waste gas pretreatment system and method.
Background technology
Kitchen fume contains there are many substance for having serious harm to human body, can increase the probability that people suffer from lung cancer.In city
Directly by outside exhaust removal chamber, oil smoke condensation, which deposits the grease to be formed, can influence beauty and the city in city in many middle-size and small-size restaurants
Hold, oil smoke discharges meeting severe exacerbation surrounding enviroment without processing, endangers human health.
Oil flue waste gas is carried out in removal operation technology, processing method type is relatively more, such as：Physics intercepts oil removal, bag
Shape filters oil removal, washing oil removing etc..
Physics interception oil removal operation is not high to the removal effect of oil, and needs regularly to carry out manually cleaning behaviour
Make.
Pocket type oil removal is with obvious effects to oil removal, but uses for a long time, and the oil in oil smoke can be aggregated blocking sack, increase
Gas flow resistance, it may have some potential safety problems.
Washing oil removing such as 204373021 U of CN disclose a kind of air oil smoke purifier, including：One oil strain slot,
It is internally provided with a transverse slat, the transverse slat is equipped with a hole, and oil strain slot lower part cell wall is equipped with a discharge outlet；One washing head, if
Inside the oil strain slot, the washing head has an inlet pipeline；One blast pipe and a discharge pipe, the blast pipe and institute
The lower part for stating oil strain slot communicates, and the discharge pipe is communicated with the top of the oil strain slot；One exhaust blower, be set to the discharge pipe with
The path that the oil strain slot communicates；One catch basin, bottom wall are located at below the horizontal plane of the oil strain groove bottom wall, the catch basin
It is inside equipped with one to draw water unit, the inlet pipeline of the washing head is connected to the unit that draws water；One staving, bottom wall are located at described
Below the horizontal plane of oil strain groove bottom wall, the staving is connected to the discharge outlet, and its underpart is connected to the catch basin, epimere portion
Side wall is equipped with an oil exit pipe.Its for oil smoke with washing separation, make by air become cleaner air.Simultaneously by one
The waste oil washed down is concentrated on the staving by the setting of discharge outlet and a staving, and using the characteristic on oil swims on water upper layer,
Centralized recovery then is flowed out via an oil exit pipe when waste oil is accumulated to certain altitude, to reach purification air and waste recovery simultaneously
The purpose utilized.Although washing oil removing have the effect of it is certain, it is more demanding to gas-liquid contact in water-washing process, need to consume
A large amount of water, treated, and wastewater flow rate is also big, lower in oil content, the additional increase use cost of meeting.
Therefore, treating apparatus for exhaust gas of oil smoke need further to improve, and the efficiency of oil smoke is handled to improve it.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of oil flue waste gas pretreatment system and side
Method, the oil flue waste gas pretreatment system and method can efficiently, continuously handle oil flue waste gas, water consumption is relatively low, wastewater flow rate
Small, not high to the component requirements of exhaust gas, processing is large-minded, can on-line regeneration continuous operation, be not necessarily to artificial cleaning, it is especially suitable
For various concentration oil composition exhaust gas, it is also applied for dust-laden exhaust gas.
For this purpose, the present invention uses following technical scheme：
One of the objects of the present invention is to provide a kind of oil flue waste gas pretreatment system, the oil flue waste gas pretreatment system
Include the sprayer unit set gradually along pending oil flue waste gas flow direction and oil removing unit；
Sprayer unit, for spraying into pending oil flue waste gas；
Oil removing unit includes the first metal filtration oil removing module and second set gradually along pending exhaust gas flow direction
Metal filtration oil removing module, the first metal filtration oil removing module include the first woven wire；Second metal filtration oil removing module packet
Include the second woven wire；
The oil flue waste gas pretreatment system further includes：
Power unit, for drive the first woven wire and the second woven wire rotation, rotation direction not with pending oil
Smoke waste gas flow direction is parallel；With,
Regeneration unit, for cleaning oil removing unit.
Oil flue waste gas pretreatment system provided by the invention first pre-processes oil flue waste gas using sprayer unit, increases
The liquid-solid contact ability of exhaust gas, and the big grain size oil of the small part in oil flue waste gas is removed, pass through dynamic oil removing unit later
Most oils in oil flue waste gas are removed；The dynamic cell of oil has been adhered to through the regeneration of regeneration unit, has been reused for
Oil removing.The movement of the first woven wire and the second woven wire is combined in the pretreatment of sprayer unit and dynamic oil removing unit,
So that the oil removal efficiency of the oil flue waste gas pretreatment unit greatly improves.
The oil flue waste gas pretreatment system can continuously handle oil flue waste gas, and water consumption is relatively low, and wastewater flow rate is small, to useless
The component requirements of gas are not high, processing it is large-minded, can on-line regeneration continuous operation, be not necessarily to artificial cleaning, especially suitable for not
With concentration oil composition exhaust gas, it is also applied for dust-laden exhaust gas.
The sprayer unit includes atomizing sprayer.Oil flue waste gas is sprayed as long as the sprayer unit can play
The purpose of mist, the device that this purpose may be implemented in others can also use herein.
Preferably, the atomizing sprayer includes atomizer and water inlet pipe, and atomizer and water inlet pipe pass through screw thread
Fastening means connects.
Preferably, the atomizer is arranged for line style.
The average pore size of first woven wire be 0.1-10mm, as 0.2mm, 0.5mm, 0.8mm, 1.0mm, 1.5mm,
2.5mm, 3.8mm, 4.6mm, 5.8mm, 6.2mm, 7.0mm, 8.4mm or 9.2mm etc..
Preferably, the average pore size of second woven wire is 0.2-0.6 times of the first woven wire average pore size, such as
0.25 times, 0.3 times, 0.4 times, 0.5 times, 0.54 times or 0.58 times etc..Second woven wire and the first woven wire it is flat
Within the above range, the oil removing ability of the oil flue waste gas pretreatment system is most strong, can reach 90% or more in equal aperture.
Preferably, first woven wire and the second woven wire are independently by the wire of a diameter of 0.1-1.0mm
It is made, diameter such as 0.2mm, 0.3mm, 0.4mm, 0.5mm, 0.6mm, 0.7mm, 0.8mm or 0.9mm of the wire etc..
Preferably, the wire is in copper wire, aluminum-alloy wire, aluminium wire, stainless steel 304 silk or Stainless steel 316 silk
Any one or at least two combination, typical but non-limiting combination is such as copper wire and aluminium wire, aluminum-alloy wire and copper wire, aluminium
Silk, stainless steel 304 silk and Stainless steel 316 silk.
The power unit includes the first power plant and the first rotating member being respectively connected with the first power plant and
Two rotating members, the first rotating member drive the rotation of the first woven wire, the second rotating member to drive the rotation of the second woven wire.
Preferably, first power plant includes motor.First power plant can be a power plant
Can be multiple power plants, such as 2,4 or 6.Those skilled in the art can select according to the actual needs.
Preferably, first rotating member and the second rotating member include independently gear.First rotating member and second
The purpose of setting of rotating member be in order to which the first woven wire and the second woven wire are had certain movement velocity respectively, to
It rotates, as long as can play the role of this, other components in addition to gear can also use herein.
Preferably, the power unit further includes the first transmission parts coordinated with the first rotating member and matches with the second rotating member
The second transmission parts closed, the first woven wire are fixed on the first transmission parts, and the second woven wire is fixed on the second transmission parts.
Preferably, the first support element, the first support element are additionally provided between first woven wire and the first transmission parts
Thickness be 2-10 times of the first woven wire average pore size, as 2.5 times, 3.0 times, 3.5 times, 3.8 times, 4.6 times, 5.8 times,
6.5 times, 6.9 times, 7.8 times, 8.2 times or 9.5 times etc..The first metal filtration removes the thickness of first support element within this range
The deoiling effect of oily module is best, and longest-lived, cost is minimum, and the load of power plant is minimum.
Preferably, the second support element, the second support element are additionally provided between second woven wire and the second transmission parts
Thickness be 2-10 times of the second woven wire average pore size, as 2.5 times, 3.0 times, 3.5 times, 3.8 times, 4.6 times, 5.8 times,
6.5 times, 6.9 times, 7.8 times, 8.2 times or 9.5 times etc..The second metal filtration removes the thickness of second support element within this range
The deoiling effect of oily module is best, and longest-lived, cost is minimum, and the load of power plant is minimum.
Preferably, first support element and the second support element include independently stainless steel cloth, first support element
Effect with the second support element be in order to the first woven wire and the second woven wire are separately fixed on the first transmission parts and
On second transmission parts, and gas is enabled to flow through, the function can also be that by by including not only stainless steel cloth
Other objects.
Preferably, first transmission parts and the second transmission parts include independently chain.First transmission parts and second
The purpose of transmission parts setting is to be respectively attached to the first transmission parts and for the ease of the first woven wire and the second woven wire
It is rotated on two transmission parts, includes not only the chain, can also be that by the function enables to gas to flow through
Gas object.
The regeneration unit is used to have adsorbed the oil in the oil removing unit of oil and removes, in order to adsorb oil again
Point.
The regeneration unit includes the first rinse bath, the second rinse bath, cleaning solution supplying device, aerator, frizing dress
It sets and is located at the first oil removing module lower part with the second power plant, the first rinse bath, the second rinse bath is located under the second oil removing module
Portion, the first rinse bath and the second rinse bath are equipped with the part-structure of inlet tube, the part-structure of aerator and oil-scraping device,
Inlet tube is connected with cleaning solution supplying device, and aerator and oil-scraping device are connected with the second power plant.
The regenerated flow of regeneration unit is：First woven wire and the second woven wire turn to respectively fills cleaning
In the first rinse bath and the second rinse bath of liquid, under the aeration effect of cleaning solution and aerator, the first woven wire and
The oil adsorbed on two woven wires is transferred in cleaning solution, is regenerated, and the oil in cleaning solution is utilized floating to liquid surface
Oil-scraping device strikes off the oil on surface.
Preferably, second power plant includes motor.Second power plant can be that a device can also
It is multiple devices, such as 2 or 5, those skilled in the art can select as needed.
Preferably, the mounting height of the inlet tube is the 1/2-3/4 of oil extraction open height, such as 5/8.The oil discharge outlet is
The outlet for the oil that rinse bath washes down.
Preferably, the aerator is that manifold-is in charge of aeration structure.The aerator includes wind turbine and air hose
Aeration opening is arranged on the air pipe line in road.
Preferably, the aeration opening spacing of the aerator is 0.1-1 times of total pipe range, as 0.2 times, 0.3 times, 0.4 times,
0.5 times, 0.6 times, 0.7 times, 0.8 times or 0.9 times etc..
Preferably, the aeration opening of the aerator and horizontal plane angle of inclination are 10 ° -45 °, such as 15 °, 18 °, 20 °,
25 °, 30 °, 32 ° or 38 ° etc..
Preferably, the aeration opening of the aerator and the spacing of the first woven wire or the second woven wire are 5-
20mm, such as 6mm, 8mm, 10mm, 12mm, 15mm, 18mm or 19mm.
Preferably, the rotation in aeration opening outlet the bubble direction and the first rotating member and the second rotating member of the aerator
Direction is opposite.
It is arranged between the aeration opening of aerator and horizontal plane angle of inclination and the first woven wire or the second woven wire
Away from and the rotation direction of aeration opening outlet bubble direction and the first rotating member and the second rotating member on the contrary, enabling to the first gold medal
The regeneration effect for belonging to silk screen and the second woven wire is best, can all remove the oil adsorbed in oil removing unit.
Preferably, the oil-scraping device includes scraper plate, third transmission parts and third rotating member, and scraper plate is fixed on third transmission
On part, third rotating member is connected with the second power plant, drives the rotation of third transmission parts.The oil-scraping device can continuously by
Oil in cleaning solution strikes off, so that the oil removing unit of the oil flue waste gas pretreatment unit can continuously adsorb oil
Point.
Preferably, the third transmission parts include chain.
The sprayer unit and oil removing unit are located in same housing, so that the knot of the oil flue waste gas pretreatment unit
Structure is compact.
Preferably, bottom is provided with the first liquid islocation plate between the sprayer unit and oil removing unit.Due to sprayer unit meeting
Water mist is generated, and then liquid generation is arranged at bottom, therefore liquid islocation plate is arranged between oil removing unit in it.
Preferably, bottom is provided between the first metal filtration oil removing module and the second metal filtration oil removing module
Two liquid islocation plates.
Preferably, the height of first liquid islocation plate and the second liquid islocation plate independently is tank liquor height in the first rinse bath
1.2-1.5 times, such as 1.3 times or 1.4 times.The height of first liquid islocation plate and the second liquid islocation plate cleaning performance within this range
It is best.
Preferably, partition board, partition board and the first gold medal are provided between the first metal filtration oil removing module top and shell
Belong to ranging from 0-45 ° of the filtering oil removing block motion angle of contingence, such as 2 °, 5 °, 8 °, 10 °, 15 °, 18 °, 20 °, 25 °, 28 °, 30 °,
35 °, 38 ° or 42 ° etc., the partition board can avoid oil flue waste gas directly from the first metal filtration oil removing module top and shell it
Between flow through, and do not remove oil.
Preferably, partition board, partition board and the second gold medal are provided between the second metal filtration oil removing module top and shell
Belong to ranging from 0-45 ° of the filtering oil removing block motion angle of contingence, such as 2 °, 5 °, 8 °, 10 °, 15 °, 18 °, 20 °, 25 °, 28 °, 30 °,
35 °, 38 ° or 42 ° etc., the partition board can avoid oil flue waste gas directly from the first metal filtration oil removing module top and shell it
Between flow through, and do not remove oil.
Preferably, oil discharge outlet is set on the shell, and the oil that the oil scraping plate scrapes can be discharged from oil discharge outlet.
The second object of the present invention be to provide it is a kind of carrying out the pretreated method of oil flue waste gas using system as described above,
Described method includes following steps：
(1) spraying treatment is carried out to pending oil flue waste gas；
(2) oil in the oil flue waste gas that the first woven wire adsorption step (1) of use movement obtains；
(3) oil in the oil flue waste gas that the second woven wire adsorption step (2) of use movement obtains, is purified cigarette
Gas；
(4) the first woven wire and the second woven wire are cleaned, regenerated first woven wire and the second wire are obtained
Net is respectively used to step (2) and step (3).
Oil flue waste gas preprocess method provided by the invention first pre-processes oil flue waste gas, and the liquid for increasing exhaust gas is affixed
The ability of touching, and the small part oil in oil flue waste gas is removed, pretreated oil flue waste gas is dynamically adsorbed later, it will
Most oils in oil flue waste gas are removed；The material for having adsorbed oil is regenerated again, is reused for absorption oil.Spray
Mist pre-processes and dynamic oil removing is combined so that the oil removal efficiency of the oil flue waste gas preprocess method greatly improves.
The oil flue waste gas preprocess method can continuously handle oil flue waste gas, and water consumption is relatively low, and wastewater flow rate is small, to useless
The component requirements of gas are not high, processing it is large-minded, can on-line regeneration continuous operation, be not necessarily to artificial cleaning, especially suitable for not
With concentration oil composition exhaust gas, it is also applied for dust-laden exhaust gas.
The spray amount of step (1) described spraying treatment is 1.2-10 times of oil content in the oil flue waste gas, such as 1.5
Again, 1.8 times, 2.0 times, 2.8 times, 3.5 times, 4.5 times, 5.8 times, 6.7 times, 7.5 times, 8.2 times or 9.3 times etc..This spray amount model
It is best to enclose the pretreated effect of internal spraying.
Preferably, the spray direction of step (1) described spraying treatment and oil flue waste gas flow to it is identical.
The movement velocity of step (2) first woven wire is 1.0-1.3 times, preferably 1.1 times of aeration speed.Institute
The movement velocity and aeration speed for stating the first woven wire cooperate, and oil removing ability is best within this range, and cleans effect
Fruit is best.
Preferably, the direction of motion of step (2) first woven wire is vertical with the flow direction of pending oil flue waste gas.
Preferably, the movement velocity of step (3) second woven wire is 1.4-1.6 times of aeration speed, preferably
1.5 again.The movement velocity of second woven wire cooperates with aeration speed, and oil removing ability is best within this range, and
And cleaning performance is best.
Preferably, the direction of motion of step (3) second woven wire is vertical with the flow direction of pending oil flue waste gas.
Preferably, step (4) the first woven wire of the cleaning and the cleaning agent that uses of the second woven wire be selected from water and
The mixed liquor of oleophylic agent, the oleophylic agent are selected from polyacrylamide, alkyl naphthalene sulfonic acid sodium salt, triethanolamine oleate, single oleic acid
In triethanolamine ester or octadecylamine acetate any one or at least two combination, typical but non-limiting oleophylic
Agent combination such as polyacrylamide and alkyl naphthalene sulfonic acid sodium salt, triethanolamine oleate and single triethanolamine oleate ester, octadecyl
Amine acetate, polyacrylamide and alkyl naphthalene sulfonic acid sodium salt.
Preferably, in the cleaning agent water mass percentage be 1-100%, such as 3%, 8%, 10%, 13%,
18%, 25%, 29%, 35%, 45%, 56%, 58%, 68%, 75%, 86% or 95% etc..
The preprocess method of the oil flue waste gas includes the following steps as a preferred technical solution,：
(1) spraying treatment is carried out to pending oil flue waste gas, spray amount is the 1.2-10 of oil amount in the oil flue waste gas
Times, flowing to for spray direction and oil flue waste gas is identical；
(2) oil in the oil flue waste gas that the first woven wire adsorption step (1) of use movement obtains, the first wire
The movement velocity of net is 1.0-1.3 times of aeration speed, and the direction of motion is vertical with the flow direction of pending oil flue waste gas；
(3) oil in the oil flue waste gas that the second woven wire adsorption step (2) of use movement obtains, is purified cigarette
Gas, the movement velocity of the second woven wire are 1.4-1.6 times of aeration speed, the flow direction of the direction of motion and pending oil flue waste gas
Vertically；
(4) under aeration state, the first woven wire and the second woven wire are cleaned using cleaning solution, obtain regenerated the
One woven wire and the second woven wire are respectively used to step (2) and step (3), wherein the quality hundred of water in the cleaning agent
It is 1-100% to divide content.
Numberical range of the present invention includes not only enumerated point value, further includes the above-mentioned numerical value not included
Arbitrary point value between range, as space is limited and for concise consideration, range includes described in the present invention no longer exclusive list
Specific point value.
Compared with prior art, beneficial effects of the present invention are：
Oil flue waste gas pretreatment system provided by the invention and method can efficiently, continuously handle oil flue waste gas, water consumption
Measure relatively low, wastewater flow rate is small, and oil removal rate can reach 90% or more, such as handles 5000m3Oil-containing exhaust gas (the oil concentration of/h
2g/m3), oil removal efficiency be 93% or more, water consumption and wastewater flow rate are about 0.5L/h, can on-line regeneration continuous operation, nothing
Need artificial cleaning；
Oil smoke pretreatment system provided by the invention and method be not high to the component requirements of exhaust gas, its large-minded processing of processing
Oil flue waste gas flow can reach 10000m3/ h, oil content can be 0.1-5g/m in oil flue waste gas3；
Oil flue waste gas pretreatment system provided by the invention and method especially suitable for various concentration oil composition exhaust gas,
Suitable for dust-laden exhaust gas, oil content range can be 0.1-5g/m3, dust content can be 0-0.5g/m3。
Description of the drawings
Fig. 1 is the side view for the oil flue waste gas pretreatment system that embodiment 1 provides.
Fig. 2 is the front view for the oil flue waste gas pretreatment system that embodiment 1 provides, wherein the first woven wire and the second gold medal
Belong to silk screen not mark.
Fig. 3 is the connection diagram of the first woven wire and power unit that embodiment 1 provides.
Fig. 4 is the schematic diagram of partition board and the first metal filtration oil removing block motion angle of contingence that embodiment 1 provides.
Wherein：1, suction flange；2, atomizer；3, shell；4, partition board；5, the first metal filtration oil removing module；6,
Two metal filtration oil removing modules；7, reducing；8, outlet(discharge) flange；9, motor hold-down support；10, motor；11, third liquid islocation plate；12、
Aeration opening；13, air pipe line；14, wind turbine；15, inlet tube；16, oleophylic agent filling opening；17, water inlet pipe；18, water pump；19, electric
Machine protective cover；20, driving motor；21, Bearing gear；22, rolling bearing gear；23, liquid inlet electromagnetic valve；24, scraper plate；25, chain
Band；26, liquid outlet electromagnetic valve；27, outlet；28, the first woven wire；29, stainless steel cloth backing material；30, STAINLESS STEEL CHAINS
Item.
Arrow indicates the direction of gas flowing in figure.
Specific implementation mode
Technical solution to further illustrate the present invention below with reference to the accompanying drawings and specific embodiments.
Embodiment 1
A kind of oil flue waste gas pretreatment system, side view and front view difference are as depicted in figs. 1 and 2, including edge waits locating
The sprayer unit and oil removing unit that reason oil flue waste gas flow direction is set gradually；Further include：Power unit and regeneration unit；
Sprayer unit, for spraying into pending oil flue waste gas, including atomizing sprayer, atomizing sprayer include
Atomizer 2 and water inlet pipe 17, water inlet pipe 17 connect water pump 18, and atomizer 2 and water inlet pipe 17 connect；
Oil removing unit includes the first metal filtration oil removing module 5 set gradually along pending exhaust gas flow direction and
Two metal filtration oil removing modules 6, the first metal filtration oil removing module 5 include the first woven wire 28；Second metal filtration oil removing
Module 6 includes the second woven wire；The average pore size of first woven wire 28 is 0.1-10mm；The average hole of second woven wire
Diameter is 0.2-0.6 times of 28 net average pore size of the first wire；First woven wire 28 and the second woven wire are independently by straight
Diameter is made of the wire of 0.1-1.0mm；Wire is selected from copper wire, aluminum-alloy wire, aluminium wire, stainless steel 304 silk or Stainless steel 316
Silk in any one or at least two combination；
Power unit includes the first power plant and the first rotating member being respectively connected with the first power plant and second turn
The second transmission parts that moving part further includes the first transmission parts coordinated with the first rotating member and is coordinated with the second rotating member, the first gold medal
Belong to silk screen 28 to be fixed on the first transmission parts, the second woven wire is fixed on the second transmission parts；First rotating member drives first
Woven wire 28 rotates, and the second rotating member drives the rotation of the second woven wire；Between first woven wire 28 and the first transmission parts
It is additionally provided with the first support element, the thickness of the first support element is 2-10 times of 28 average pore size of the first woven wire；Second metal
The second support element is additionally provided between silk screen and the second transmission parts, the thickness of the second support element is the second woven wire average pore size
2-10 times；First power plant is driving motor 20, and motor protecting cover 19 is provided with outside driving motor 20；First rotating member and
Second rotating member includes Bearing gear 21 and rolling bearing gear 22 coupled thereto；First support element and the second support element are equal
For stainless steel cloth backing material 29；First transmission parts and the second transmission parts are stainless steel chain 30, power unit and first
The connection diagram of woven wire 28 is as shown in Figure 3：First woven wire 28, stainless steel cloth backing material 29 and STAINLESS STEEL CHAINS
Item 30 is fixed integral；
Regeneration unit include the first rinse bath, the second rinse bath, cleaning solution supplying device, aerator, oil-scraping device and
Second power plant, the first rinse bath are located at the first oil removing module lower part, and the second rinse bath is located at the second oil removing module lower part, the
One rinse bath and the second rinse bath are equipped with the part-structure of aerator and the part-structure of oil-scraping device, aerator and scrape
Oily device is connected with the second power plant；Second power plant includes motor 10, and motor 10 is fixed by motor hold-down support 9；
Aerator includes wind turbine 14 and air pipe line 13, is in charge of aeration structure for manifold-, aeration opening 12 is arranged on air pipe line 13,
12 spacing of aeration opening is 0.1-1 times of total pipe range；The aeration opening 12 of aerator is 10 ° -45 ° with horizontal plane angle of inclination；It exposes
The aeration opening 12 and the spacing of the first woven wire or the second woven wire of device of air are 5-20mm, and aeration opening 12 exports bubble side
To opposite with the rotation direction of the first rotating member and the second rotating member；Cleaning solution supplying device includes oleophylic agent feeding hopper, supplies
Liquid inlet electromagnetic valve 23 is arranged on water inlet pipe 15 for water installations and the water inlet pipe 15 being connected with water supply installation, and water supply installation includes water pump
18, water inlet pipe 15 is respectively arranged in the first rinse bath and the second rinse bath, and cleaning solution supplying device is connected with inlet tube 15, into
The mounting height of liquid pipe 15 is the 1/2-3/4 of oil extraction open height；Oil-scraping device includes scraper plate 24, third transmission parts and third rotation
Part, scraper plate 24 are fixed on third transmission parts, and third rotating member is connected with the second power plant, drive the rotation of third transmission parts,
Third transmission parts are chain belt 25；
The sprayer unit and oil removing unit are located in same housing 3, and air inlet, the other side is arranged in 3 side of the shell
Gas outlet is set, and suction flange 1 is arranged in air inlet, and outlet(discharge) flange 8 is arranged in gas outlet, between the sprayer unit and oil removing unit
Bottom is provided with the first liquid islocation plate；Bottom is arranged between first metal filtration oil removing module 5 and the second metal filtration oil removing module 6
There is the second liquid islocation plate；Bottom setting third liquid islocation plate 11 between second metal filtration oil removing module and shell, the first liquid islocation plate, the
The height of two liquid islocation plates and third liquid islocation plate 11 independently is 1.2-1.5 times of tank liquor height in the first rinse bath；First metal
Partition board 4 is provided between 5 top of filtering oil removing module and shell 3, partition board 4 and the first metal filtration oil removing module 5 move tangent line
Ranging from 0-45 ° of angle α, as shown in Figure 4；It is provided with partition board 4, partition board between second metal filtration oil removing module, 6 top and shell 3
4 and second metal filtration oil removing module 6 move ranging from 0-45 ° of the angle of contingence；Oil discharge outlet, the row are also set up on the shell 3
Liquid outlet electromagnetic valve 26 is arranged on outlet 27 for hydraulic fluid port connection outlet pipe 27, and scraper plate 24 is contacted with liquid level, strikes off cleaning solution surface oil
Point, and oil is scraped to outlet 27；The driving motor 20 is arranged outside shell 3.
The pretreated method of oil flue waste gas is carried out using above system, is included the following steps：
(1) it sprays to pending oil flue waste gas；
(2) oil in the oil flue waste gas that the first woven wire adsorption step (1) of use movement obtains；
(3) oil in the oil flue waste gas that the second woven wire adsorption step (2) of use movement obtains, is purified cigarette
Gas；
(4) the first woven wire and the second woven wire are cleaned, regenerated first woven wire and the second wire are obtained
Net is respectively used to step (2) and step (3).
The preprocess method of preferred oil flue waste gas includes the following steps：
(1) spraying treatment is carried out to pending oil flue waste gas, spray amount is the 1.2-10 of oil amount in the oil flue waste gas
Times, flowing to for spray direction and oil flue waste gas is identical；
(2) oil in the oil flue waste gas that the first woven wire adsorption step (1) of use movement obtains, the first wire
The movement velocity of net is 1.0-1.3 times of aeration speed, and the direction of motion is vertical with the flow direction of pending oil flue waste gas；
(3) oil in the oil flue waste gas that the second woven wire adsorption step (2) of use movement obtains, is purified cigarette
Gas, the movement velocity of the second woven wire are 1.4-1.6 times of aeration speed, the flow direction of the direction of motion and pending oil flue waste gas
Vertically；
(4) under aeration state, the first woven wire and the second woven wire are cleaned using cleaning solution, obtain regenerated the
One woven wire and the second woven wire are respectively used to step (2) and step (3), wherein the quality hundred of water in the cleaning agent
It is 1-100% to divide content.
In above-described embodiment 1, the sprayer unit and oil removing unit of the oil flue waste gas pretreatment system can also be provided at
In different shells, the first oil removing module and the second oil removing module in oil removing unit may also be arranged in different shells, this
Liquid islocation plate is arranged in Shi Wuxu；The water inlet pipe 17 of sprayer unit can connect identical water pump with simplification with the inlet tube 15 of regeneration unit
Piping connection, can also connect different water supply installations, and oleophylic agent filling opening 16 can be also directly connected to the first rinse bath and second
In rinse bath, but the first rinse bath and the second rinse bath are entered back into after preferably first being mixed with water.
Embodiment 2
A kind of oil flue waste gas pretreatment system includes the sprayer unit set gradually along pending oil flue waste gas flow direction
With oil removing unit；Further include：Power unit and regeneration unit；
Sprayer unit, for spraying into pending oil flue waste gas, including atomizing sprayer, atomizing sprayer include
Atomizer 2 and water inlet pipe 17, water inlet pipe 17 connect water pump 18, and it is 0.5mm, atomizer 2 that atomizer 2, which is discharged average pore size,
It is connected by screw threads for fastening mode with water inlet pipe 17, atomizer 2 is arranged for line style；
Oil removing unit includes the first metal filtration oil removing module 5 set gradually along pending exhaust gas flow direction and
Two metal filtration oil removing modules 6, the first metal filtration oil removing module 5 include the first woven wire 28；Second metal filtration oil removing
Module 6 includes the second woven wire；The average pore size of first woven wire 28 is 0.2mm；The average pore size of second woven wire
It is 0.6 times of 28 net average pore size of the first wire；First woven wire 28 and the second woven wire are independently by a diameter of
The wire of 0.1mm is made；Wire appointing in copper wire, aluminum-alloy wire, aluminium wire, stainless steel 304 silk or Stainless steel 316 silk
It anticipates a kind of or at least two combinations；
Power unit includes the first power plant and the first rotating member being respectively connected with the first power plant and second turn
The second transmission parts that moving part further includes the first transmission parts coordinated with the first rotating member and is coordinated with the second rotating member, the first gold medal
Belong to silk screen 28 to be fixed on the first transmission parts, the second woven wire is fixed on the second transmission parts；First rotating member drives first
Woven wire 28 rotates, and the second rotating member drives the rotation of the second woven wire；Between first woven wire 28 and the first transmission parts
It is additionally provided with the first support element；The second support element, the second support element are additionally provided between second woven wire and the second transmission parts
Thickness be 2 times of the second woven wire average pore size；First power plant is driving motor 20, is provided with outside driving motor 20
Motor protecting cover 19；First rotating member and the second rotating member include Bearing gear 21 and rolling bearing gear coupled thereto
22；First support element and the second support element are stainless steel cloth backing material 29；First transmission parts and the second transmission parts are
Stainless steel chain 30 (material is 304 materials), the connection diagram of power unit and the first woven wire 28 is as shown in Figure 3：The
One woven wire 28 is fixed on the stainless steel cloth backing material 29 that average pore size is 0.5mm, and the two is fixed on STAINLESS STEEL CHAINS
On item 30, the fixed stainless steel 304 silk using a diameter of 0.5mm；
Regeneration unit include the first rinse bath, the second rinse bath, cleaning solution supplying device, aerator, oil-scraping device and
Second power plant, the first rinse bath are located at the first oil removing module lower part, and the second rinse bath is located at the second oil removing module lower part, the
One rinse bath and the second rinse bath are equipped with the part-structure of aerator and the part-structure of oil-scraping device, aerator and scrape
Oily device is connected with the second power plant；Second power plant includes motor 10, and motor 10 is fixed by motor hold-down support 9；
Aerator includes wind turbine 14 and air pipe line 13, is in charge of aeration structure for manifold-, aeration opening 12 is arranged on air pipe line 13,
12 spacing of aeration opening is 0.1 times of total pipe range；The aeration opening 12 of aerator is 45 ° with horizontal plane angle of inclination；Aerator
Aeration opening 12 and the spacing of the first woven wire or the second woven wire be 5mm, aeration opening 12 exports bubble direction with first
The rotation direction of rotating member and the second rotating member is opposite；Cleaning solution supplying device include oleophylic agent feeding hopper, water supply installation and
Liquid inlet electromagnetic valve 23 is arranged on water inlet pipe 15 for the water inlet pipe 15 being connected with water supply installation, and water supply installation includes water pump 18, water inlet pipe
15 are respectively arranged in the first rinse bath and the second rinse bath, and cleaning solution supplying device is connected with inlet tube 15, inlet tube 15
Mounting height is 2/3 of cleaning solution height in the first rinse bath or the second rinse bath, and close finish composition is polyacrylamide, with oneself
The volumetric mixture ratio of water is 1:100；Oil-scraping device includes scraper plate 24, third transmission parts and third rotating member, and scraper plate 24 is fixed
On third transmission parts, third rotating member is connected with the second power plant, and it is chain to drive the rotation of third transmission parts, third transmission parts
Band 25；
The sprayer unit and oil removing unit are located in same housing 3, and air inlet, the other side is arranged in 3 side of the shell
Gas outlet is set, and suction flange 1 is arranged in air inlet, and outlet(discharge) flange 8 is arranged in gas outlet, between the sprayer unit and oil removing unit
Bottom is provided with the first liquid islocation plate；Bottom is arranged between first metal filtration oil removing module 5 and the second metal filtration oil removing module 6
There is the second liquid islocation plate；Bottom setting third liquid islocation plate 11 between second metal filtration oil removing module and shell, the first liquid islocation plate, the
The height of two liquid islocation plates and third liquid islocation plate 11 is 1.2 times of tank liquor height in rinse bath；First metal filtration oil removing module 5 is pushed up
Stainless steel plate --- the partition board 4 that thickness is 3mm is provided between portion and shell 3, in mounting height size with a minor metal mistake
Filter out between oily module 5 that there are the gaps of 2mm, partition board 4 and the first metal filtration oil removing module 5 movement angle of contingence α are ranging from
45 °, as shown in Figure 4；It is provided with partition board 4, partition board 4 and the second metal between second metal filtration oil removing module, 6 top and shell 3
It filters oil removing module 6 and moves ranging from 45 ° of the angle of contingence；Oil discharge outlet, the oil discharge outlet connection outlet pipe are also set up on the shell 3
27,27 height of outlet is set as 1.1 times of liquid level, and liquid outlet electromagnetic valve 26, liquid outlet electromagnetic valve 26 is arranged on outlet 27
Open frequency be 3 times/per hour；The driving motor 20 is arranged outside shell 3.
Embodiment 3
A kind of oil flue waste gas pretreatment system includes the sprayer unit set gradually along pending oil flue waste gas flow direction
With oil removing unit；Further include：Power unit and regeneration unit；
Sprayer unit, for spraying into pending oil flue waste gas, including atomizing sprayer, atomizing sprayer include
Atomizer 2 and water inlet pipe 17, water inlet pipe 17 connect water pump 18, and it is 0.2mm, atomizer 2 that atomizer 2, which is discharged average pore size,
It is connected by way of 90 ° of PVC elbow undertakings with water inlet pipe 17, the arrangement of atomizer 2 is square arrangement, the arrangement atomization spray per side
First 2 numbers are 6；
Oil removing unit includes the first metal filtration oil removing module 5 set gradually along pending exhaust gas flow direction and
Two metal filtration oil removing modules 6, the first metal filtration oil removing module 5 include the first woven wire 28；Second metal filtration oil removing
Module 6 includes the second woven wire；The average pore size of first woven wire 28 is 0.5mm；The average pore size of second woven wire
It is 0.2 times of 28 net average pore size of the first wire；First woven wire 28 and the second woven wire are independently by a diameter of
The wire of 0.5mm is made；Wire appointing in copper wire, aluminum-alloy wire, aluminium wire, stainless steel 304 silk or Stainless steel 316 silk
It anticipates a kind of or at least two combinations；
Power unit includes the first power plant and the first rotating member being respectively connected with the first power plant and second turn
The second transmission parts that moving part further includes the first transmission parts coordinated with the first rotating member and is coordinated with the second rotating member, the first gold medal
Belong to silk screen 28 to be fixed on the first transmission parts, the second woven wire is fixed on the second transmission parts；First rotating member drives first
Woven wire 28 rotates, and the second rotating member drives the rotation of the second woven wire；Between first woven wire 28 and the first transmission parts
It is additionally provided with the first support element；The second support element is additionally provided between second woven wire and the second transmission parts；First power fills
It is set to driving motor 20, motor protecting cover 19 is provided with outside driving motor 20；First rotating member and the second rotating member include axis
Hold gear 21 and rolling bearing gear 22 coupled thereto；First support element and the second support element are stainless steel cloth fid
Material 29；First transmission parts and the second transmission parts are stainless steel chain 30 (material is 316L materials), power unit and the first gold medal
The connection diagram for belonging to silk screen 28 is as shown in Figure 3：First woven wire 28 is fixed on the stainless steel cloth that average pore size is 2.5mm
On backing material 29, the two is fixed on stainless steel chain 30, the fixed stainless steel 304 silk using a diameter of 0.5mm；
Regeneration unit include the first rinse bath, the second rinse bath, cleaning solution supplying device, aerator, oil-scraping device and
Second power plant, the first rinse bath are located at the first oil removing module lower part, and the second rinse bath is located at the second oil removing module lower part, the
One rinse bath and the second rinse bath are equipped with the part-structure of aerator and the part-structure of oil-scraping device, aerator and scrape
Oily device is connected with the second power plant；Second power plant includes motor 10, and motor 10 is fixed by motor hold-down support 9；
Aerator includes wind turbine 14 and air pipe line 13, is in charge of aeration structure for manifold-, aeration opening 12 is arranged on air pipe line 13,
12 spacing of aeration opening is 0.1 times of total pipe range；The aeration opening 12 of aerator is 45 ° with horizontal plane angle of inclination；Aerator
Aeration opening 12 and the spacing of the first woven wire or the second woven wire be 5mm, aeration opening 12 exports bubble direction with first
The rotation direction of rotating member and the second rotating member is opposite；Cleaning solution supplying device include oleophylic agent feeding hopper, water supply installation and
Liquid inlet electromagnetic valve 23 is arranged on water inlet pipe 15 for the water inlet pipe 15 being connected with water supply installation, and water supply installation includes water pump 18, water inlet pipe
15 are respectively arranged in the first rinse bath and the second rinse bath, and cleaning solution supplying device is connected with inlet tube 15, inlet tube 15
Mounting height is 3/4 of cleaning solution height in the first rinse bath or the second rinse bath, and close finish composition is polyacrylamide and ten
The mixed liquor of eight alkyl amine acetates, between match 1:2, mixed liquor is 1 with tap water mixing ratio:50, aeration opening angle of inclination
It it is 10 °, with a 28 vertical interval gap 5mm of tablet net metal pompon material；Oil-scraping device includes scraper plate 24, third transmission
Part and third rotating member, scraper plate 24 are fixed on third transmission parts, and third rotating member is connected with the second power plant, drive third
Transmission parts rotate, and third transmission parts are chain belt 25, and scraper plate 24 is securely connected with chain belt 25 by the stainless steel wire stranded mode of 1mm
It connects, 24 structure of middle scraper is T-shape structure.Scraper plate 24 and 25 material of chain belt are Stainless steel 316 L materials, scraper plate 24 and chain
Band 25 is fixed on 10 bearing of driving motor, passes through gear coupling；
The sprayer unit and oil removing unit are located in same housing 3, and air inlet, the other side is arranged in 3 side of the shell
Gas outlet is set, and suction flange 1 is arranged in air inlet, and outlet(discharge) flange 8 is arranged in gas outlet, between the sprayer unit and oil removing unit
Bottom is provided with the first liquid islocation plate；Bottom is arranged between first metal filtration oil removing module 5 and the second metal filtration oil removing module 6
There is the second liquid islocation plate；Bottom setting third liquid islocation plate 11 between second metal filtration oil removing module and shell, the first liquid islocation plate, the
The height of two liquid islocation plates and third liquid islocation plate 11 is 1.2 times of tank liquor height in rinse bath；First metal filtration oil removing module 5 is pushed up
Stainless steel plate --- the partition board 4 that thickness is 3mm is provided between portion and shell 3, in mounting height size with a minor metal mistake
It filters out between oily module 5 there are ranging from 0 ° of the gap of 2mm, partition board 4 and the first metal filtration oil removing module 5 movement angle of contingence α,
As shown in figure 4, partition board 4 is fixed with enclosure interior by screw nut, partition shape is T-shape structure, partition board installation center position
It sets and moves 10mm away from a 5 vertical centred position left avertence of metal filtration oil removing module, removed with a metal filtration on height dimension
There are the gaps of 10mm between oily module 5；It is also equipped with partition board 4 between second metal filtration oil removing module, 6 top and shell 3,
It is identical as the first filtering partition board of oil removing module that form is arranged in it；Oil discharge outlet, the oil discharge outlet connection are also set up on the shell 3
Outlet 27,27 height of outlet are set as 1.3 times of liquid level, liquid outlet electromagnetic valve 26 are arranged on outlet 27, go out liquid electricity
26 open frequency of magnet valve be 6 times/per hour；The driving motor 20 is arranged outside shell 3.
Embodiment 4
The pretreatment that oil flue waste gas is carried out using the device described in embodiment 2, is included the following steps：
(1) to pending oil flue waste gas, (temperature is 25 DEG C, exhausted air quantity 5000m3/ h, dust content 100mg/m3, oil-containing
A concentration of 500mg/m3) spraying treatment is carried out, spray amount is 1.2 times of oil amount in the oil flue waste gas, spray direction and oil
Flowing to for smoke waste gas is identical；
(2) oil in the oil flue waste gas that the first woven wire adsorption step (1) of use movement obtains, the first wire
The movement velocity of net is 1.1 times of aeration speed, and the direction of motion is vertical with the flow direction of pending oil flue waste gas；
(3) oil in the oil flue waste gas that the second woven wire adsorption step (2) of use movement obtains, is purified cigarette
Gas, the movement velocity of the second woven wire are 1.5 times of aeration speed, and the direction of motion and the flow direction of pending oil flue waste gas are hung down
Directly；
(4) under aeration state, the first woven wire and the second woven wire are cleaned using cleaning solution, obtain regenerated the
One woven wire and the second woven wire are respectively used to step (2) and step (3), wherein the quality hundred of water in the cleaning agent
It is 80% to divide content.
Treated, and fuel gas and dust concentration is reduced to 10mg/m3, oil amount is reduced to 10mg/m3, dust removal rate 90%,
95% or more oil removal rate, water consumption and wastewater flow rate are about 0.5L/h.
Embodiment 5
The pretreatment that oil flue waste gas is carried out using the device described in embodiment 2, is included the following steps：
(1) to pending oil flue waste gas, (temperature is 30 DEG C, exhausted air quantity 10000m3/ h, dust content 0.1g/m3, oil-containing
A concentration of 1.0g/m3) spraying treatment is carried out, spray amount is 8 times of oil amount in the oil flue waste gas, and spray direction is useless with oil smoke
Flowing to for gas is identical；
(2) oil in the oil flue waste gas that the first woven wire adsorption step (1) of use movement obtains, the first wire
The movement velocity of net is 1.0 times of aeration speed, and the direction of motion is vertical with the flow direction of pending oil flue waste gas；
(3) oil in the oil flue waste gas that the second woven wire adsorption step (2) of use movement obtains, is purified cigarette
Gas, the movement velocity of the second woven wire are 1.6 times of aeration speed, and the direction of motion and the flow direction of pending oil flue waste gas are hung down
Directly；
(4) under aeration state, the first woven wire and the second woven wire are cleaned using cleaning solution, obtain regenerated the
One woven wire and the second woven wire are respectively used to step (2) and step (3), wherein the quality hundred of water in the cleaning agent
It is 50% to divide content.
Treated, and fuel gas and dust concentration is reduced to 10mg/m3, oil amount is reduced to 5mg/m3, dust removal rate 90%, oil
It is 90% or more to divide removal rate.
Embodiment 6
The pretreatment that oil flue waste gas is carried out using the device described in embodiment 2, is included the following steps：
(1) to pending oil flue waste gas, (temperature is 15 DEG C, exhausted air quantity 5000m3/ h, dust content 0.05g/m3, oil-containing
A concentration of 2.0g/m3) spraying treatment is carried out, spray amount is 10 times of oil amount in the oil flue waste gas, spray direction and oil smoke
Flowing to for exhaust gas is identical；
(2) oil in the oil flue waste gas that the first woven wire adsorption step (1) of use movement obtains, the first wire
The movement velocity of net is 1.3 times of aeration speed, and the direction of motion is vertical with the flow direction of pending oil flue waste gas；
(3) oil in the oil flue waste gas that the second woven wire adsorption step (2) of use movement obtains, is purified cigarette
Gas, the movement velocity of the second woven wire are 1.4 times of aeration speed, and the direction of motion and the flow direction of pending oil flue waste gas are hung down
Directly；
(4) under aeration state, the first woven wire and the second woven wire are cleaned using cleaning solution, obtain regenerated the
One woven wire and the second woven wire are respectively used to step (2) and step (3), wherein the quality hundred of water in the cleaning agent
It is 30% to divide content.
Treated, and fuel gas and dust concentration is reduced to 7mg/m3, oil amount is reduced to 10mg/m3, dust removal rate 85% with
On, 90% or more oil removal rate.
Embodiment 7
The pretreatment that oil flue waste gas is carried out using the device described in embodiment 2, is included the following steps：
(1) to pending oil flue waste gas, (temperature is 15 DEG C, exhausted air quantity 5000m3/ h, dust content 0.5g/m3, oil-containing is dense
Degree is 5.0g/m3) spraying treatment is carried out, spray amount is 10 times of oil amount in the oil flue waste gas, and spray direction is useless with oil smoke
Flowing to for gas is identical；
(2) oil in the oil flue waste gas that the first woven wire adsorption step (1) of use movement obtains, the first wire
The movement velocity of net is 1.1 times of aeration speed, and the direction of motion is vertical with the flow direction of pending oil flue waste gas；
(3) oil in the oil flue waste gas that the second woven wire adsorption step (2) of use movement obtains, is purified cigarette
Gas, the movement velocity of the second woven wire are 1.5 times of aeration speed, and the direction of motion and the flow direction of pending oil flue waste gas are hung down
Directly；
(4) under aeration state, the first woven wire and the second woven wire are cleaned using cleaning solution, obtain regenerated the
One woven wire and the second woven wire are respectively used to step (2) and step (3), wherein the quality hundred of water in the cleaning agent
It is 80% to divide content.
Treated, and fuel gas and dust concentration is reduced to 10mg/m3, oil amount is reduced to 10mg/m3, dust removal rate 90% with
On, 95% or more oil removal rate.
Applicant states, the foregoing is merely the specific implementation mode of the present invention, but protection scope of the present invention not office
It is limited to this, person of ordinary skill in the field is it will be clearly understood that any belong to those skilled in the art and taken off in the present invention
In the technical scope of dew, the change or replacement that can be readily occurred in are all fallen within protection scope of the present invention and the open scope.
Claims (10)
1. a kind of oil flue waste gas pretreatment system, which is characterized in that the oil flue waste gas pretreatment system includes along pending oil
The sprayer unit and oil removing unit that smoke waste gas flow direction is set gradually；
Sprayer unit, for spraying into pending oil flue waste gas；
Oil removing unit includes the first metal filtration oil removing module set gradually along pending exhaust gas flow direction and the second metal
Oil removing module is filtered, the first metal filtration oil removing module includes the first woven wire；Second metal filtration oil removing module includes the
Two woven wires；
The oil flue waste gas pretreatment system further includes：
Power unit, for driving the first woven wire and the rotation of the second woven wire, rotation direction not useless with pending oil smoke
Flow of air direction is parallel；With,
Regeneration unit, for cleaning oil removing unit.
2. oil flue waste gas pretreatment system according to claim 1, which is characterized in that the sprayer unit includes that atomization is sprayed
Shower device；
Preferably, the atomizing sprayer includes atomizer and water inlet pipe, and atomizer and water inlet pipe pass through screw threads for fastening
Mode connects；
Preferably, the atomizer is arranged for line style.
3. oil flue waste gas pretreatment system according to claim 1 or 2, which is characterized in that first woven wire
Average pore size is 0.1-10mm；
Preferably, the average pore size of second woven wire is 0.2-0.6 times of the first woven wire average pore size；
Preferably, first woven wire and the second woven wire are independently made of the wire of a diameter of 0.1-1.0mm；
Preferably, the wire is arbitrary in copper wire, aluminum-alloy wire, aluminium wire, stainless steel 304 silk or Stainless steel 316 silk
It is a kind of or at least two combination.
4. the oil flue waste gas pretreatment system according to one of claim 1-3, which is characterized in that the power unit includes
First power plant and the first rotating member and the second rotating member being respectively connected with the first power plant, the first rotating member drive the
One woven wire rotates, and the second rotating member drives the rotation of the second woven wire；
Preferably, first power plant includes motor；
Preferably, first rotating member and the second rotating member include independently gear；
Preferably, the power unit further includes the first transmission parts coordinated with the first rotating member and coordinates with the second rotating member
Second transmission parts, the first woven wire are fixed on the first transmission parts, and the second woven wire is fixed on the second transmission parts；
Preferably, the first support element, the thickness of the first support element are additionally provided between first woven wire and the first transmission parts
Degree is 2-10 times of the first woven wire average pore size；
Preferably, the second support element, the thickness of the second support element are additionally provided between second woven wire and the second transmission parts
Degree is 2-10 times of the second woven wire average pore size；
Preferably, first support element and the second support element include independently stainless steel cloth；
Preferably, first transmission parts and the second transmission parts include independently chain.
5. the oil flue waste gas pretreatment system according to one of claim 1-4, which is characterized in that the regeneration unit includes
First rinse bath, the second rinse bath, cleaning solution supplying device, aerator, oil-scraping device and the second power plant, the first cleaning
Slot is located at the first oil removing module lower part, and the second rinse bath is located at the second oil removing module lower part, the first rinse bath and the second rinse bath
It is equipped with the part-structure of inlet tube, the part-structure of aerator and oil-scraping device, inlet tube and cleaning solution supplying device phase
Even, aerator and oil-scraping device are connected with the second power plant；
Preferably, second power plant includes motor；
Preferably, the mounting height of the inlet tube is the 1/2-3/4 of oil extraction open height；
Preferably, the aerator is that manifold-is in charge of aeration structure；
Preferably, the aeration opening spacing of the aerator is 0.1-1 times of total pipe range；
Preferably, the aeration opening of the aerator and horizontal plane angle of inclination are 10 ° -45 °；
Preferably, the aeration opening of the aerator and the spacing of the first woven wire or the second woven wire are 5-20mm；
Preferably, the rotation direction in aeration opening outlet the bubble direction and the first rotating member and the second rotating member of the aerator
On the contrary；
Preferably, the oil-scraping device includes scraper plate, third transmission parts and third rotating member, and scraper plate is fixed on third transmission parts
On, third rotating member is connected with the second power plant, drives the rotation of third transmission parts；
Preferably, the third transmission parts include chain.
6. the oil flue waste gas pretreatment system according to one of claim 1-5, which is characterized in that the sprayer unit and remove
Oily unit is located in same housing；
Preferably, bottom is provided with the first liquid islocation plate between the sprayer unit and oil removing unit；
Preferably, between the first metal filtration oil removing module and the second metal filtration oil removing module bottom be provided with second every
Liquid plate；
Preferably, the height of first liquid islocation plate and the second liquid islocation plate independently is the 1.2- of tank liquor height in the first rinse bath
1.5 again；
Preferably, partition board, partition board and the first metal mistake are provided between the first metal filtration oil removing module top and shell
Filter out ranging from 0-45 ° of the oily block motion angle of contingence；
Preferably, partition board, partition board and the second metal mistake are provided between the second metal filtration oil removing module top and shell
Filter out ranging from 0-45 ° of the oily block motion angle of contingence；
Preferably, oil discharge outlet is set on the shell.
7. a kind of oil flue waste gas preprocess method of oil flue waste gas pretreatment system according to one of claim 1-6,
It is characterized in that, described method includes following steps：
(1) spraying treatment is carried out to pending oil flue waste gas；
(2) oil in the oil flue waste gas that the first woven wire adsorption step (1) of use movement obtains；
(3) oil in the oil flue waste gas that the second woven wire adsorption step (2) of use movement obtains, is purified flue gas；
(4) the first woven wire and the second woven wire are cleaned, regenerated first woven wire and the second woven wire are obtained, point
It Yong Yu not step (2) and step (3).
8. oil flue waste gas preprocess method according to claim 7, which is characterized in that step (1) described spraying treatment
Spray amount is 1.2-10 times of oil content in the oil flue waste gas；
Preferably, the spray direction of step (1) described spraying treatment and oil flue waste gas flow to it is identical.
9. oil flue waste gas preprocess method according to claim 7 or 8, which is characterized in that step (2) first metal
The movement velocity of silk screen is 1.0-1.3 times, preferably 1.1 times of aeration speed；
Preferably, the direction of motion of step (2) first woven wire is vertical with the flow direction of pending oil flue waste gas.
Preferably, the movement velocity of step (3) second woven wire is 1.4-1.6 times of aeration speed, preferably 1.5
Times；
Preferably, the direction of motion of step (3) second woven wire is vertical with the flow direction of pending oil flue waste gas；
Preferably, the cleaning agent that step (4) the first woven wire of the cleaning and the second woven wire use is selected from water and oleophylic
The mixed liquor of agent, the oleophylic agent are selected from polyacrylamide, alkyl naphthalene sulfonic acid sodium salt, triethanolamine oleate, single oily triethylenetetraminehexaacetic acid
In alkanolamine ester or octadecylamine acetate any one or at least two combination；
Preferably, the mass percentage of water is 1-100% in the cleaning agent.
10. oil flue waste gas preprocess method according to claim 7 or 8, which is characterized in that the method includes walking as follows
Suddenly：
(1) spraying treatment is carried out to pending oil flue waste gas, spray amount is 1.2-10 times of oil amount in the oil flue waste gas, spray
Flowing to for mist direction and oil flue waste gas is identical；
(2) oil in the oil flue waste gas that the first woven wire adsorption step (1) of use movement obtains, the first woven wire
Movement velocity is 1.0-1.3 times of aeration speed, and the direction of motion is vertical with the flow direction of pending oil flue waste gas；
(3) oil in the oil flue waste gas that the second woven wire adsorption step (2) of use movement obtains, is purified flue gas,
The movement velocity of second woven wire is 1.4-1.6 times of aeration speed, and the direction of motion and the flow direction of pending oil flue waste gas are hung down
Directly；
(4) under aeration state, the first woven wire and the second woven wire is cleaned using cleaning solution, obtain regenerated first gold medal
Belong to silk screen and the second woven wire, is respectively used to step (2) and step (3), wherein the quality percentage of water contains in the cleaning agent
Amount is 1-100%.
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|---|---|---|---|
| CN201810732249.XA CN108579309B (en) | 2018-07-05 | 2018-07-05 | Oil smoke waste gas pretreatment system and method |
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| Publication number | Publication date |
|---|---|
| CN108579309B (en) | 2024-04-16 |
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