CN110496513A - A kind of VOC exhaust treatment system - Google Patents
A kind of VOC exhaust treatment system Download PDFInfo
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- CN110496513A CN110496513A CN201910872747.9A CN201910872747A CN110496513A CN 110496513 A CN110496513 A CN 110496513A CN 201910872747 A CN201910872747 A CN 201910872747A CN 110496513 A CN110496513 A CN 110496513A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/1487—Removing organic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/14—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/26—Drying gases or vapours
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/44—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/75—Multi-step processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/108—Halogens or halogen compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/102—Carbon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
Abstract
The invention discloses a kind of VOC exhaust treatment systems, including liquid adsorption device, exhaust gas washing tower device, physical absorption device and the on-Line Monitor Device set gradually along airflow direction.VOC exhaust treatment system of the invention can guarantee the treatment effect of exhaust gas, give off clean gas by combining liquid adsorption device, exhaust gas washing tower device and physical absorption device successively to handle exhaust gas.For liquid adsorption device of the invention using a large amount of harmful organic substances in adsorption liquid absorption exhaust gas, the air-flow by introducing eddy flow direction drives absorption impeller mechanism, shaft to rotate, and eliminates a driving mechanism, has saved energy consumption, and simplify equipment.By setting on-Line Monitor Device, the content for the main harmful substance in the gas to multiple operation sections detects the present invention, in order to monitor the job state of system and finally whether the gas that is discharged is up to standard.
Description
Technical field
The present invention relates to technical field of waste gas treatment, in particular to a kind of VOC exhaust treatment system.
Background technique
VOC (Volatile Organic Compound, volatile organic matter) refers to volatile organic compounds under room temperature
General name, petrochemical industry, pharmacy, paint, coating, electronic manufacture, surface anticorrosion, shoemaking, printing and communications and transportation etc. row
A large amount of VOC exhaust gas can be generated in production and use process in industry.Contain formaldehyde, dimethylbenzene, toluene, third in VOC exhaust gas
Ketone, butanone, halogen compounds etc., these compound majorities have penetrating odor, not only cause great shadow to air quality
It rings, directly contact can also cause damages to human health, and the inflammable feature of VOC exhaust gas also results in security risk.Commonly
Exhaust gas purifying method has: absorption process, absorption method, condensation method and combustion method etc..Absorption method has at low cost, system structure is simple etc.
Advantage, using universal.It generally includes acid, the absorption of alkali medical fluid spray or physical absorption is carried out using filter material.It is existing useless
It is usually to be handled using single means in gas processing system, often there is a problem of that exhaust-gas treatment effect is not up to standard, nothing
Method meets emissions requirements.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of VOC exhaust gas
Processing system.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of VOC exhaust treatment system, including edge
Liquid adsorption device, exhaust gas washing tower device, physical absorption device and the on-Line Monitor Device that airflow direction is set gradually；
The liquid adsorption device include the column fluid-containing pot for lying down setting, be rotatably provided in the column fluid-containing pot and with
The shaft of the centerline axis parallel of the column fluid-containing pot and the absorption impeller mechanism being arranged in the shaft；
The column fluid-containing pot is provided with primary air inlet along axial air inlet end, and secondary air inlet is provided on side wall radially
Mouthful；The extra-air inlet is tangentially-arranged along the periphery of the air inlet end of the column fluid-containing pot, the setting side with primary air inlet
To vertical；
The absorption impeller mechanism includes the first absorption impeller assembly, and the first absorption impeller assembly includes being fixed in described turn
Runner on axis, several impeller blades being disposed in an evenly spaced relation on the runner and the driving for being connected to the impeller blade end
Plate；Open up fluted in the driving plate, airintake direction to the extra-air inlet is met in the direction that opens up of the groove, to pass through
The air-flow of the extra-air inlet drives the driving plate rotation, to drive the first absorption impeller assembly and shaft described
Rotation in column fluid-containing pot；
VOC exhaust gas by the first gas pipeline enter the system, it is therein a part by main air inlet pipe road via the master into
Port enters the column fluid-containing pot, and another part passes through secondary admission line and enters column Sheng liquid via the extra-air inlet
Tank；The gas of the column fluid-containing pot discharge successively passes through the exhaust gas washing tower device and physical absorption device heel row again
Out.
Preferably, the thickness of the impeller blade is gradually increased outward by the connecting pin of impeller blade and the runner；
The ventilating microhole along the perforation of its thickness direction is intensively offered on the impeller blade；The ventilating microhole is bellmouth,
Diameter is gradually reduced along airflow direction.
Preferably, it is provided with water conservancy diversion elongated slot in the both side surface of airflow direction on the impeller blade, and described leads
Flow elongated slot being arranged radially along the impeller blade；
Covering is provided with filter membrane in the both side surface of airflow direction on the impeller blade.
Preferably, first annular baffle, the first annular baffle are additionally provided on the inner wall of the column fluid-containing pot
The front end of the first absorption impeller assembly is set along airflow direction；
The ring width of the first annular baffle be greater than the driving plate outer end and the column fluid-containing pot inner wall between away from
From.
Preferably, the absorption impeller mechanism further includes that the first absorption impeller sets are successively set on along airflow direction
Second absorption impeller assembly, third absorption impeller assembly and the 4th absorption impeller assembly in part downstream；
The second ring baffle, third ring baffle and are also disposed on the inner wall of the column fluid-containing pot along airflow direction
Four ring baffles；And second ring baffle, third ring baffle, fourth annular baffle are separately positioned on institute along airflow direction
State the front end of the second absorption impeller assembly, third absorption impeller assembly, the 4th absorption impeller assembly.
Preferably, waste gas outlet is additionally provided on the side wall of the column fluid-containing pot radially.
Preferably, the exhaust gas washing tower device include scrubbing tower, the spray head being arranged in the scrubbing tower and
The cleaning solution feeding assembly being connect with the spray head；
The waste gas outlet is connected to the inlet end of the scrubbing tower by the second gas pipeline.
Preferably, the physical absorption device includes shell, filter layer inside the housing is arranged and opens up respectively
In the lower end of the shell and the gas access of upper end and gas vent；
The filter layer includes the nonwoven layer set gradually from the bottom to top, polypropylene fiber layer, active carbon layer, carbon nano-fiber
Layer of cloth, polyurethane foam and polyphenylene sulfide fibre layer.
Preferably, the outlet side of the scrubbing tower is connected to the gas access of the shell by third gas pipeline；
The first blower is provided on first gas pipeline；The second blower is provided on second gas pipeline；Described
Drier is additionally provided on three gas pipelines.
Preferably, the on-Line Monitor Device includes the first gas detection group being arranged on first gas pipeline
Part, the second gas detection components being arranged on second gas pipeline and it is arranged on the gas vent of the shell
Third gas detection components.
The beneficial effects of the present invention are: VOC exhaust treatment system of the invention, by combining liquid adsorption device, exhaust gas
Washing tower device and physical absorption device successively handle exhaust gas, can guarantee the treatment effect of exhaust gas, give off clean
Gas.
Liquid adsorption device of the invention is using a large amount of harmful organic substances in adsorption liquid absorption exhaust gas, by introducing eddy flow
The air-flow in direction drives absorption impeller mechanism, shaft rotation, eliminates a driving mechanism, has saved energy consumption, and simplify and set
It is standby；Absorption impeller mechanism constantly rotates, and impeller blade is enable constantly to adsorb the adsorption liquid in column fluid-containing pot, guarantees on impeller blade
Replacement is continuously replenished in adsorption liquid, guarantees the effect of the adsorption liquid on impeller blade；Exhaust gas eddy flow advances through impeller blade, can make to give up
The abundant making contact of adsorption liquid on gas and impeller blade, is greatly improved exhaust-gas treatment effect.
Physical absorption device of the invention can effectively filter exhaust gas by setting multilayer filter structure, realize
Effective purification to exhaust gas.
The present invention is by setting on-Line Monitor Device, for the main harmful substance in the gas to multiple operation sections
Content is detected, in order to monitor the job state of system and finally whether the gas that is discharged is up to standard.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of VOC exhaust treatment system of the invention；
Fig. 2 is the structural schematic diagram of liquid adsorption device of the invention；
Fig. 3 is the structural schematic diagram of the first absorption impeller assembly of the invention；
Fig. 4 is the schematic cross-sectional view of driving plate of the invention；
Fig. 5 is the schematic cross-sectional view of impeller blade of the invention；
Fig. 6 is the structural schematic diagram of the second absorption impeller assembly in a kind of embodiment of the invention；
Fig. 7 is the structural schematic diagram of physical absorption device of the invention.
Description of symbols:
1-liquid adsorption device；10-column fluid-containing pots；11-shafts；12-absorption impeller mechanisms；13-the first absorption impeller
Component；14-the second absorption impeller assembly；15-thirds adsorb impeller assembly；16-the four absorption impeller assembly；100-it is main into
Port；101-extra-air inlets；102-waste gas outlets；103-first annular baffles；104-the second ring baffle；105-the
Three ring baffles；106-fourth annular baffles；107-adsorption liquid entrances；108-adsorption liquid discharge outlets；130-runners；
131-impeller blades；132-driving plates；133-grooves；134-ventilating microholes；135-water conservancy diversion elongated slots；136-filter membranes；
2-exhaust gas washing tower devices；20-scrubbing towers；21-spray heads；22-cleaning solution feeding assemblies；The storage of 23-cleaning solutions
Tank；24-washing fluid supply pumps；25-second solenoid valves；200-discard solution discharge ports；
3-physical absorption devices；30-shells；31-filter layers；32-gas accesses；33-gas vents；310-non-woven fabrics
Layer；311-polypropylene fiber layers；312-active carbon layers；313-carbon nano-fiber layer of cloths；314-polyurethane foams；
315-polyphenylene sulfide fibre layers；
40-first gas detection components；41-second gas detection components；42-third gas detection components；
50-the first gas pipeline；51-main air inlet pipe roads；52-secondary admission lines；53-the second gas pipeline；54-thirds
Gas pipeline；55-the first blower；56-the second blower；57-driers；58-the first solenoid valve.
Specific embodiment
The present invention will be further described in detail below with reference to the embodiments, to enable those skilled in the art referring to specification
Text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein are not precluded one or more
The presence or addition of a other elements or combinations thereof.
As shown in Figs. 1-5, a kind of VOC exhaust treatment system of the present embodiment, including the liquid set gradually along airflow direction
Body adsorbent equipment 1,20 device 2 of exhaust gas washing tower, physical absorption device 3 and on-Line Monitor Device.
VOC exhaust gas successively passes through liquid adsorption device 1,20 device 2 of exhaust gas washing tower, physical absorption device 3 and is handled,
Liquid adsorption device 1 absorbs a large amount of organic pollution materials of VOC exhaust gas using adsorption liquid (or absorbing liquid), then again by useless
20 device 2 of gas wash tower further removes the polluter in removing exhaust gas；Physics suction is finally carried out by physical absorption device 3 again
It is attached, deep layer purification is carried out to exhaust gas, guarantees the clean tail gas of discharge.
In the present embodiment, liquid adsorption device 1 includes the column fluid-containing pot 10 for lying down setting, is rotatably provided in column Sheng
In flow container 10 and with the shaft of the centerline axis parallel of column fluid-containing pot 10 11 and the absorption turbine being arranged in shaft 11
Structure 12；Adsorption liquid is contained in column fluid-containing pot 10, and in a preferred embodiment, the liquid level of adsorption liquid is lower than the height of shaft 11
Degree, adsorption liquid does not flood and shaft 11, to weaken the corrosion to shaft 11.Shaft 11, absorption impeller mechanism 12 are from the prior art
Middle selection corrosion-resistant material.
Column fluid-containing pot 10 is provided with primary air inlet 100 along axial air inlet end, is provided on side wall radially
Extra-air inlet 101；Extra-air inlet 101 is tangentially-arranged along the periphery of the air inlet end of column fluid-containing pot 10, with primary air inlet 100
Setting direction it is vertical；
Adsorbing impeller mechanism 12 includes the first absorption impeller assembly 13, and the first absorption impeller assembly 13 includes being fixed in shaft 11
Runner 130, several impeller blades 131 for being disposed in an evenly spaced relation on runner 130 and the driving for being connected to 131 end of impeller blade
Plate 132；Opening up fluted 133 in driving plate 132, airintake direction to extra-air inlet 101 is met in the direction that opens up of groove 133, with
Driving plate 132 is driven to rotate by the air-flow of extra-air inlet 101, to drive the first absorption impeller assembly 13 and shaft 11 in column
Rotation in shape fluid-containing pot 10；
VOC exhaust gas enters the system by the first gas pipeline 50, a part therein by main air inlet pipe road 51 via it is main into
Port 100 enters column fluid-containing pot 10, and another part passes through secondary admission line 52 and enters column fluid-containing pot via extra-air inlet 101
10；The gas that column fluid-containing pot 10 is discharged successively is discharged after 20 device 2 of exhaust gas washing tower and physical absorption device 3 again.
The first blower 55 is provided on first gas pipeline 50, to convey exhaust gas.
In the present embodiment, absorption impeller mechanism 12, shaft 11 is driven to rotate by the air-flow of secondary admission line 52, sufficiently
The power of other flowings is utilized, eliminates a driving mechanism, has saved energy consumption, and simplify equipment.Secondary admission line 52
Interior air-flow tangentially enters along the periphery of column fluid-containing pot 10, is the air-flow of direction of rotation, air-flow reaches driving plate 132, to drive
Movable plate 132 generates the power of direction of rotation, so that driving plate 132, first be driven to adsorb impeller assembly 13 around column fluid-containing pot 10
Axis rotation, and shaft 11 is driven to rotate together, realizes that other absorption impeller assemblies in shaft 11 also rotate together.Absorption
Impeller assembly constantly rotates, and impeller blade 131 is enable constantly to adsorb the adsorption liquid in column fluid-containing pot 10, guarantees on impeller blade 131
Adsorption liquid replacement is continuously replenished, prevent the adsorption liquid on impeller blade 131 from excessively absorbing exhaust gas and the phenomenon that saturation occur, protect
Demonstrate,prove the effect of the adsorption liquid on impeller blade 131.The air-flow in main air inlet pipe road 51 flows from left to right along the axial direction of column fluid-containing pot 10
Dynamic, gas carries out harmful substance filtering by the micropore on impeller blade 131.Crossflow (air-flow in main air inlet pipe road 51) and week
It is compound to eddy flow (air-flow in secondary admission line 52), so that exhaust gas eddy flow is advanced through impeller blade 131, exhaust gas and impeller blade can be made
The abundant making contact of adsorption liquid on 131, is greatly improved exhaust-gas treatment effect.It is impeller blade 131 and driving plate referring to Fig. 4
132 through-thickness split after main view.Side view referring to Fig. 5, after being splitted for 131 through-thickness of impeller blade.
Wherein, the thickness of impeller blade 131 is sequentially increased from impeller blade 131 and the connecting pin of runner 130 to periphery；
The ventilating microhole 134 along the perforation of its thickness direction is intensively offered on impeller blade 131；Ventilating microhole 134 is bellmouth,
Diameter is gradually reduced along airflow direction.After gas is flowed into from larger diameter end to smaller diameter end (from left to right), air velocity can increase
Greatly, flow velocity can be improved compared to cylindrical hole.
Water conservancy diversion elongated slot 135, and 135 edge of water conservancy diversion elongated slot are provided on impeller blade 131 in the both side surface of airflow direction
Impeller blade 131 is arranged radially；Due to for so that shaft 11 is in adsorption liquid with reduce corrosion, impeller blade 131 immerse adsorption liquid when,
Impeller blade 131 cannot immerse in adsorption liquid close to the part of runner 130.By the way that water conservancy diversion elongated slot 135 is arranged, impeller blade 131 is rotated
When, the adsorption liquid of 131 outer end of impeller blade can be promoted to flow to 131 inner end of impeller blade (close to the part of runner 130), make entire impeller
It is all uniformly filled in adsorption liquid on piece 131, improves exhaust-gas treatment effect.On impeller blade 131 in the both side surface of airflow direction
Covering is provided with filter membrane 136.Filter membrane 136 can promote exhaust gas to come into full contact with adsorption liquid, moreover it is possible to generate filter effect to exhaust gas.Filter
Carbon fiber filter membrane 136 or other corrosion resistant filter membranes 136 can be used in film 136.
It is additionally provided with first annular baffle 103 on the inner wall of column fluid-containing pot 10, first annular baffle 103 is along airflow direction
The front end of first absorption impeller assembly 13 is set；The ring width of first annular baffle 103 is greater than outer end and the column of driving plate 132
The distance between the inner wall of fluid-containing pot 10.The setting of first annular baffle 103 is avoided that exhaust gas is just straight without the filtering of impeller blade 131
It connects from the gap between 131 outer end of impeller blade and the inner wall of column fluid-containing pot 10 and passes through, be further ensured that exhaust-gas treatment effect.
It is controllable by the quantity of the impeller blade 131 on change the first absorption impeller assembly 13 or the revolving speed of impeller blade 131
The exhaust-gas treatment effect of system the first absorption impeller assembly 13.131 quantity of impeller blade is more, revolving speed is faster, and exhaust-gas treatment is more thorough.
Revolving speed is mainly that can be controlled by throughput in secondary admission line 52 and flow velocity.
In a preferred embodiment, absorption impeller mechanism 12 further includes that the first absorption impeller is successively set on along airflow direction
Second absorption impeller assembly 14, third absorption impeller assembly 15 and the 4th absorption impeller assembly 16 in 13 downstream of component；Second inhales
Attached impeller assembly 14, third absorption impeller assembly 15 and the 4th absorption impeller assembly 16 and the first absorption 13 structure base of impeller assembly
This is identical, only no driving plate 132, and the size of impeller blade 131 is slightly larger, and the quantity of impeller blade 131 successively increases.This implementation
In example, the first absorption impeller assembly 13, second adsorbs impeller assembly 14, third absorption impeller assembly 15 and the 4th absorption impeller sets
The quantity of impeller blade 131 on part 16 is followed successively by 3,4,6 and 8, and all (Fig. 6 shows the second suction for uniform intervals setting
The structure chart of attached impeller assembly 14).To make the first absorption impeller assembly 13, second absorption impeller assembly 14, third absorption leaf
The exhaust-gas treatment effect of wheel assembly 15 and the 4th absorption impeller assembly 16 successively enhances, and exhaust gas is layered by four groups of impeller blades 131
It successively handles, the adsorption effect to the harmful substance in exhaust gas can be greatly improved.
The second ring baffle 104, third annular gear are also disposed on the inner wall of column fluid-containing pot 10 along airflow direction
Plate 105 and fourth annular baffle 106；And second ring baffle 104, third ring baffle 105, fourth annular baffle 106 are along gas
Before stream direction is separately positioned on the second absorption impeller assembly 14, third absorption impeller assembly the 15, the 4th adsorbs impeller assembly 16
End.Second ring baffle 104, third ring baffle 105 and 106 role of fourth annular baffle and first annular baffle 103
It is identical.Second absorption impeller assembly 14, third absorption impeller assembly 15 and the 4th adsorb impeller assembly 16 with the rotation of shaft 11
It is rotated together with the first absorption impeller assembly 13, exhaust gas passes sequentially through the first absorption impeller assembly 13, second absorption impeller assembly
14, the impeller blade 131 on third absorption impeller assembly 15 and the 4th absorption impeller assembly 16, exhaust gas are contacted with adsorption liquid, are removed
Large amount of organic therein.Adsorption liquid entrance 107 and adsorption liquid discharge outlet 108, adsorption liquid are additionally provided on column fluid-containing pot 10
Entrance 107 is for adding and supplementing adsorption liquid；When needing replacing adsorption liquid therein, by waste discharge mouth by suction therein
Attached liquid discharge.
In a preferred embodiment, waste gas outlet 102 is additionally provided on the side wall of column fluid-containing pot 10 radially.Exhaust gas is washed
Washing 20 device 2 of tower includes scrubbing tower 20, the spray head 21 being arranged in scrubbing tower 20 and the cleaning solution connecting with spray head 21
Feeding assembly 22；Waste gas outlet 102 is connected to the inlet end of scrubbing tower 20 by the second gas pipeline 53.It is filled by liquid adsorption
It sets 1 treated exhaust gas exhaust gas washing tower 20 is entered by waste gas outlet 102 and carry out next step purified treatment.Scrubbing tower 20
Outlet side is connected to the gas access 32 of shell 30 by third gas pipeline 54；The first wind is provided on first gas pipeline 50
Machine 55；The second blower 56 is provided on second gas pipeline 53；Drier 57 is additionally provided on third gas pipeline 54.Scrubbing tower
Discard solution discharge port 200 is additionally provided on 20, to discharge cleaning solution therein.
Cleaning solution feeding assembly 22 includes cleaning solution storage tank 23 and washing fluid supply pump 24, and cleaning solution is supplied by cleaning solution
It is pumped into spray head 21 to pump 24, spray head 21 from top to bottom sprays cleaning solution, is inversely connect by the exhaust gas that lower section enters with cleaning solution
Touching removes a large amount of harmful substances in exhaust gas, and exhaust gas after treatment is discharged from the outlet side of top again, into drier 57
It is dried, the gas after drying enters back into physical absorption device 3 and is further processed.
In the various embodiments described above, common reagent in adsorption liquid and cleaning solution selection field, such as acid solution or lye.Example
Such as: sodium hydroxide solution, ammonium hydroxide, sodium hypochlorite, diethyl Propanolamine.Person in the art is according in specific exhaust gas
The ingredient of major pollutants is selected in existing adsorption liquid and cleaning solution, does not do specific restriction in the present invention.
In a further preferred embodiment, physical absorption device 3 includes shell 30, the filtering being arranged in inside shell 30
Layer 31 and is provided with the lower end of shell 30 and the gas access 32 of upper end and gas vent 33 respectively；
Filter layer 31 includes the nonwoven layer 310 set gradually from the bottom to top, polypropylene fiber layer 311, active carbon layer 312, receives
Rice carbon fibre cloth layer 313, polyurethane foam 314 and polyphenylene sulfide fibre layer 315.Physical absorption device 3 mainly passed through
The gas of 31 pairs of filtering layer entrance carries out in-depth filtration, guarantees the clean gas of final discharge.Wherein, nonwoven layer 310 provides outer
Layer protection.312 pairs of active carbon layer most of organic matters, inorganic matters all have good adsorption effect.Polypropylene fiber layer 311 has
There is porous structure, there is fabulous adsorption effect, and the rate of adsorption is high, mechanical performance and corrosion resistance are good；Carbon nano-fiber
Layer of cloth 313 has preferable absorption property, all has good adsorption effect to most of organic matter, inorganic matter；Also have very
Good weather-proof, corrosion resistant performance, is positioned in internal layer, can significantly improve the intensity of filter layer 31, prolong its service life.Poly- ammonia
Ester froth bed 314 has porous structure, with fabulous absorption property.315 porosity of polyphenylene sulfide fibre layer height, pollutant holding capability
Greatly, resistance to pressure is good, can be carried out in-depth filtration.The present invention passes through the stratiform filter structure being cascading, and can carry out to exhaust gas
Effective filtering, realizes effective purification to exhaust gas.
In a further preferred embodiment, on-Line Monitor Device includes the first gas being arranged on the first gas pipeline 50
Body detection components 40, the second gas detection components 41 being arranged on the second gas pipeline 53 and the gas that shell 30 is set
Third gas detection components 42 in outlet 33.Three gas detection components are used for mainly having in the gas of each operation section
The content of evil substance is detected, in order to understand the job state of system and finally whether the gas that is discharged is up to standard.Three gas
Body detection components are integrated with multiple gas sensors, for detecting the content of multiple gases, in the present embodiment, and three gases inspections
It surveys component and is integrated with formaldehyde sensor, dimethylbenzene sensor, Toluene Gas Sensor, acetone sensor and butanone sensor；For
Detect formaldehyde, dimethylbenzene, toluene, acetone, butanone.Gas detection components can select the biography with corresponding function in the prior art
Sensor, concrete model select according to the actual situation, are not required to limit in the present invention.Certainly, for different compositions
Source exhaust gas, can integrated selection there is the sensor of different types of gas detection function, the technical staff in field is according to reality
The selection of border situation.
Wherein, be additionally provided in system controller (being computerizedd control using the conventional controller in field or adopt) with
Display, three gas detection components are connect with display, controller (wirelessly or non-wirelessly), and display can show three gases
The respective testing result of detection components, for user's acquisition.The first solenoid valve 58 is provided on secondary admission line 52, cleaning solution supplies
It, can be to the first solenoid valve 58 and second solenoid valve 25 by controller to second solenoid valve 25 is provided on the conveyance conduit of pump 24
It is controlled.Pass through the flow of the controllable exhaust gas for entering secondary admission line 52 of the first solenoid valve 58.Controller also with the first wind
Machine 55, the second blower 56, third blower are all connected with, and can be controlled each blower (switch, watt level etc.) by controller.
Settable control panel on controller, to carry out manual control.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details.
Claims (10)
1. a kind of VOC exhaust treatment system, which is characterized in that including the liquid adsorption device, useless set gradually along airflow direction
Gas wash tower device, physical absorption device and on-Line Monitor Device；
The liquid adsorption device include the column fluid-containing pot for lying down setting, be rotatably provided in the column fluid-containing pot and with
The shaft of the centerline axis parallel of the column fluid-containing pot and the absorption impeller mechanism being arranged in the shaft；
The column fluid-containing pot is provided with primary air inlet along axial air inlet end, and secondary air inlet is provided on side wall radially
Mouthful；The extra-air inlet is tangentially-arranged along the periphery of the air inlet end of the column fluid-containing pot, the setting side with primary air inlet
To vertical；
The absorption impeller mechanism includes the first absorption impeller assembly, and the first absorption impeller assembly includes being fixed in described turn
Runner on axis, several impeller blades being disposed in an evenly spaced relation on the runner and the driving for being connected to the impeller blade end
Plate；Open up fluted in the driving plate, airintake direction to the extra-air inlet is met in the direction that opens up of the groove, to pass through
The air-flow of the extra-air inlet drives the driving plate rotation, to drive the first absorption impeller assembly and shaft described
Rotation in column fluid-containing pot；
VOC exhaust gas by the first gas pipeline enter the system, it is therein a part by main air inlet pipe road via the master into
Port enters the column fluid-containing pot, and another part passes through secondary admission line and enters column Sheng liquid via the extra-air inlet
Tank；The gas of the column fluid-containing pot discharge successively passes through the exhaust gas washing tower device and physical absorption device heel row again
Out.
2. VOC exhaust treatment system according to claim 1, which is characterized in that the thickness of the impeller blade is by impeller blade
It is gradually increased outward with the connecting pin of the runner；
The ventilating microhole along the perforation of its thickness direction is intensively offered on the impeller blade；The ventilating microhole is bellmouth,
Diameter is gradually reduced along airflow direction.
3. VOC exhaust treatment system according to claim 2, which is characterized in that along airflow direction on the impeller blade
Water conservancy diversion elongated slot, and water conservancy diversion elongated slot being arranged radially along the impeller blade are provided in both side surface；
Covering is provided with filter membrane in the both side surface of airflow direction on the impeller blade.
4. VOC exhaust treatment system according to claim 3, which is characterized in that on the inner wall of the column fluid-containing pot also
First annular baffle is provided with, before the first absorption impeller assembly is arranged in along airflow direction in the first annular baffle
End；
The ring width of the first annular baffle be greater than the driving plate outer end and the column fluid-containing pot inner wall between away from
From.
5. VOC exhaust treatment system according to claim 4, which is characterized in that the absorption impeller mechanism further includes edge
Airflow direction is successively set on the second absorption impeller assembly in first absorption impeller assembly downstream, third absorption impeller assembly
With the 4th absorption impeller assembly；
The second ring baffle, third ring baffle and are also disposed on the inner wall of the column fluid-containing pot along airflow direction
Four ring baffles；And second ring baffle, third ring baffle, fourth annular baffle are separately positioned on institute along airflow direction
State the front end of the second absorption impeller assembly, third absorption impeller assembly, the 4th absorption impeller assembly.
6. VOC exhaust treatment system according to claim 5, which is characterized in that the side of the column fluid-containing pot radially
Waste gas outlet is additionally provided on wall.
7. VOC exhaust treatment system according to claim 6, which is characterized in that the exhaust gas washing tower device includes washing
Wash tower, the spray head being arranged in the scrubbing tower and the cleaning solution feeding assembly connecting with the spray head；
The waste gas outlet is connected to the inlet end of the scrubbing tower by the second gas pipeline.
8. VOC exhaust treatment system according to claim 1, which is characterized in that the physical absorption device include shell,
Filter layer inside the housing is set and is provided with the lower end of the shell and the gas access of upper end and gas vent respectively；
The filter layer includes the nonwoven layer set gradually from the bottom to top, polypropylene fiber layer, active carbon layer, carbon nano-fiber
Layer of cloth, polyurethane foam and polyphenylene sulfide fibre layer.
9. VOC exhaust treatment system according to claim 7, which is characterized in that the outlet side of the scrubbing tower passes through the
Three gas pipelines are connected to the gas access of the shell；
The first blower is provided on first gas pipeline；The second blower is provided on second gas pipeline；Described
Drier is additionally provided on three gas pipelines.
10. VOC exhaust treatment system according to claim 7, which is characterized in that the on-Line Monitor Device includes setting
On first gas pipeline first gas detection components, be arranged on second gas pipeline second gas detection
Component and the third gas detection components being arranged on the gas vent of the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872747.9A CN110496513A (en) | 2019-09-16 | 2019-09-16 | A kind of VOC exhaust treatment system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910872747.9A CN110496513A (en) | 2019-09-16 | 2019-09-16 | A kind of VOC exhaust treatment system |
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| CN110496513A true CN110496513A (en) | 2019-11-26 |
Family
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| CN201910872747.9A Pending CN110496513A (en) | 2019-09-16 | 2019-09-16 | A kind of VOC exhaust treatment system |
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| CN112933774A (en) * | 2021-02-04 | 2021-06-11 | 杭州环润智能科技有限公司 | Efficient flue gas analysis method capable of performing environment-friendly treatment on residual gas |
| CN113304592A (en) * | 2021-06-21 | 2021-08-27 | 广州紫科环保科技股份有限公司 | Petrochemical plant sewage treatment plant exhaust gas treatment equipment |
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