CN215962866U - Volatile organic compound purifier - Google Patents
Volatile organic compound purifier Download PDFInfo
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- CN215962866U CN215962866U CN202121296352.8U CN202121296352U CN215962866U CN 215962866 U CN215962866 U CN 215962866U CN 202121296352 U CN202121296352 U CN 202121296352U CN 215962866 U CN215962866 U CN 215962866U
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- spray
- absorption tower
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- tower
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- 239000012855 volatile organic compound Substances 0.000 title claims abstract description 46
- 239000007921 spray Substances 0.000 claims abstract description 65
- 238000010521 absorption reaction Methods 0.000 claims abstract description 49
- 238000012856 packing Methods 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 239000007791 liquid phase Substances 0.000 claims abstract description 28
- 230000003647 oxidation Effects 0.000 claims abstract description 28
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 28
- 239000002245 particle Substances 0.000 claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 14
- 230000008676 import Effects 0.000 claims description 7
- 239000002912 waste gas Substances 0.000 abstract description 17
- 238000000746 purification Methods 0.000 abstract description 7
- 238000011049 filling Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 4
- 239000012876 carrier material Substances 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- WUPHOULIZUERAE-UHFFFAOYSA-N 3-(oxolan-2-yl)propanoic acid Chemical compound OC(=O)CCC1CCCO1 WUPHOULIZUERAE-UHFFFAOYSA-N 0.000 description 2
- 229910021536 Zeolite Inorganic materials 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 229910052980 cadmium sulfide Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000013335 mesoporous material Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000006303 photolysis reaction Methods 0.000 description 2
- 230000015843 photosynthesis, light reaction Effects 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 229910052761 rare earth metal Inorganic materials 0.000 description 2
- 150000002910 rare earth metals Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 239000010457 zeolite Substances 0.000 description 2
- 239000011787 zinc oxide Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000006115 industrial coating Substances 0.000 description 1
- 239000000976 ink Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 238000005067 remediation Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a purification device for volatile organic compounds, which comprises a spray room, an absorption tower, a liquid-phase oxidation tower and a centrifugal fan, wherein the spray room is connected to the absorption tower through a pipeline; the bottom of the absorption tower is provided with a spray liquid storage tank, the top of the absorption tower is provided with a demister, a first packing layer and a second packing layer are arranged between the bottom spray liquid storage tank and the demister inside the absorption tower, liquid distributors are respectively arranged above the first packing layer and the second packing layer, spray heads are arranged above the liquid distributors, the spray heads are connected to a circulating water pump through a spray pipeline, and a water inlet of the circulating water pump is connected to the spray liquid storage tank; filling active particles in the liquid phase oxidation tower; in general, the equipment provided by the utility model is reliable in operation, and volatile organic compounds in waste gas can be effectively removed by adopting multi-stage purification combining a spray chamber, an absorption tower and a liquid phase oxidation tower.
Description
Technical Field
The utility model belongs to the technical field of atmospheric pollution treatment, and particularly relates to a purification device for volatile organic compounds.
Background
Volatile Organic Compounds (VOCs) are important precursors of regional atmospheric composite pollution in China at present, and are subjected to photochemical reaction with nitrogen oxides, sulfur oxides and the like under the illumination condition to generate ozone, secondary Organic aerosol, acidic substances and the like; in addition, VOCs in the air can directly enter human bodies through respiratory tracts and skins, and harm the health of human bodies. VOCs have wide sources, and main pollution sources comprise industrial sources, road moving sources and living sources. The industrial source mainly comprises the production industries of VOCs-containing raw materials such as petroleum refining, petrochemical industry, coal processing and conversion and the like, the storage, transportation and sale processes of oils (fuel oil, solvent and the like), the production industries of coating, printing ink, adhesive, pesticide and the like which take VOCs as raw materials, and the use processes of VOCs-containing products such as coating, printing, bonding, demolding, industrial cleaning and the like; the road moving source mainly comprises motor vehicle tail gas emission; the living sources comprise architectural decoration, catering oil smoke and the like. In recent years, researches show that the industrial coating, kitchen oil smoke and the like are widely distributed, and the contribution to environmental pollution is not negligible.
For VOCs control, the method mainly comprises front-end improvement, process control and tail-end treatment. The tail end treatment means that the last control is carried out at the tail gas end in the process, the method is also the key point for controlling VOCs at present, and the VOCs can be recycled or destroyed by adopting different VOCs control technologies, so that the VOCs are discharged after reaching the standard. At present, the main VOCs tail end treatment technologies comprise an absorption method, an oxidation method, an adsorption method, a biological method, a plasma method and the like, wherein the combustion oxidation method and the adsorption method are two most widely applied waste gas treatment technologies. Currently, major problems in the remediation of VOCs include: the technical system and the solution are incomplete, the standard system is incomplete, the basic theory research is not deep, the technical cost performance is not high, the effective operation of equipment and facilities is not sufficient, and the like.
Disclosure of Invention
In view of the problems in the background art, an object of the present invention is to provide a purification apparatus for volatile organic compounds, which can efficiently remove volatile organic compounds in exhaust gas and has a very high use value.
The purpose of the utility model is realized as follows: a purification device for volatile organic compounds comprises a spray chamber, an absorption tower, a liquid-phase oxidation tower and a centrifugal fan, wherein an outlet of the spray chamber is connected to an inlet of the absorption tower through a pipeline, an outlet of the absorption tower is connected to an inlet of the centrifugal fan through a pipeline, and an outlet of the centrifugal fan is connected to an inlet of the liquid-phase oxidation tower through a pipeline;
a spray pipe is arranged in the spray chamber and connected to a water pump, the water pump is arranged at the bottom of a spray water tank, and the spray water tank is arranged outside the spray chamber;
the bottom of the absorption tower is provided with a spray liquid storage tank, the top of the absorption tower is provided with a demister, a first packing layer and a second packing layer are arranged between the spray liquid storage tank at the bottom and the demister inside of the absorption tower, liquid distributors are respectively arranged above the first packing layer and the second packing layer, a circulating water pump is arranged outside the absorption tower, spray heads are arranged above the liquid distributors, the spray heads are connected to the circulating water pump through spray pipes, water inlets of the circulating water pump are connected to the spray liquid storage tank, and flowmeters are installed on the spray pipes;
active particles are filled in the liquid phase oxidation tower, and an ultraviolet lamp is installed in the liquid phase oxidation tower.
The first packing layer and the second packing layer are composed of active carbon, mesoporous materials, hydrophobic silica gel and macroporous adsorption resin.
The particle size of the active particles is between 0.3mm and 5 mm.
The active particles are composed of a carrier material and a catalyst, wherein the carrier material comprises active carbon, alumina, rare earth, zeolite, active carbon, silica gel and diatomite, and the catalyst comprises titanium dioxide, zinc oxide, tin oxide, zirconium dioxide and cadmium sulfide.
The light source power of the ultraviolet lamp is 0-10000W and can be continuously adjusted.
The utility model has the following beneficial effects: firstly, two packing layers of a first packing layer and a second packing layer are arranged in the absorption tower, VOCs waste gas enters from the bottom of the absorption tower, spray liquid enters from the upper part of the absorption tower through the first packing layer and the second packing layer in the absorption tower through a liquid distributor and descends along the surface of the packing, the VOCs waste gas passes through the bottom of the absorption tower and flows upwards in the upstream direction through gaps between the first packing layer and the second packing layer, and the VOCs waste gas is efficiently absorbed by the adsorbent of the packing on the surface of the packing layer. Meanwhile, the two packing layers of the first packing layer and the second packing layer are arranged, so that the adsorption efficiency can be improved.
Secondly, the utility model is also provided with a liquid phase oxidation tower, active particles are filled in the liquid phase oxidation tower, VOCs waste gas after being treated by spraying and absorbing of the absorption tower enters the liquid phase oxidation tower, VOCs are firstly transferred to a gas-liquid interface and a liquid phase from a gas phase and are further oxidized by active free radicals of the active particles, and the VOCs are oxidized into CO2 and H2O; meanwhile, VOCs waste gas is subjected to photolysis by combining ultraviolet rays emitted by an ultraviolet lamp, and finally discharged to the atmosphere after reaching the standard through a pipeline.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal structure of the shower chamber.
Fig. 3 is a schematic perspective view of an absorption column.
FIG. 4 is a schematic sectional view of an absorption column.
FIG. 5 is a schematic sectional view of a liquid phase oxidation tower.
In the figure: 1. the device comprises a spray chamber 2, an absorption tower 3, a liquid phase oxidation tower 4, a centrifugal fan 5, a pipeline 6, a spray pipe 7, a water pump 8, a spray water tank 9, a spray liquid storage tank 10, a demister 11, a first packing layer 12, a second packing layer 13, a liquid distributor 14, a circulating water pump 15, a spray head 16, a spray pipeline 17, a flow meter 18, active particles 19 and an ultraviolet lamp.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
Example 1
As shown in fig. 1-5, a purification apparatus for volatile organic compounds includes a spray chamber 1, an absorption tower 2, a liquid phase oxidation tower 3, and a centrifugal fan 4, wherein an outlet of the spray chamber 1 is connected to an inlet of the absorption tower 2 through a pipe 5, an outlet of the absorption tower 2 is connected to an inlet of the centrifugal fan 4 through a pipe 5, and an outlet of the centrifugal fan 4 is connected to an inlet of the liquid phase oxidation tower 3 through a pipe 5;
a spray pipe 6 is arranged in the spray chamber 1, the spray pipe 6 is connected with a water pump 7, the water pump 7 is arranged at the bottom of a spray water tank 8, and the spray water tank 8 is arranged outside the spray chamber 1;
a spray liquid storage tank 9 is arranged at the bottom of the absorption tower 2, a demister 10 is arranged at the top of the absorption tower 2, a first packing layer 11 and a second packing layer 12 are arranged between the spray liquid storage tank 9 at the bottom and the demister 10 inside the absorption tower 2, liquid distributors 13 are respectively arranged above the first packing layer 11 and the second packing layer 12, a circulating water pump 14 is arranged outside the absorption tower 2, spray heads 15 are arranged above the liquid distributors 13, the spray heads 15 are connected to a circulating water pump 14 through a spray pipeline 16, a water inlet of the circulating water pump 14 is connected to the spray liquid storage tank 9, and a flowmeter 17 is arranged on the spray pipeline 16;
The first filler layer 11 and the second filler layer 12 are composed of activated carbon, mesoporous materials, hydrophobic silica gel and macroporous adsorption resin.
The particle size of the active particles 18 is between 0.3mm and 5 mm.
The active particles 18 are composed of a carrier material and a catalyst, wherein the carrier material comprises active carbon, aluminum oxide, rare earth, zeolite, active carbon, silica gel and diatomite, and the catalyst comprises titanium dioxide, zinc oxide, tin oxide, zirconium dioxide and cadmium sulfide.
The light source power of the ultraviolet lamp 19 is continuously adjustable within 0-10000W.
When the utility model is used: the utility model provides a purifier of volatile organic compounds, includes spray room, absorption tower, liquid phase oxidation tower, centrifugal fan, and the export of spray room passes through pipe connection in the import of absorption tower, and the export of absorption tower passes through pipe connection in centrifugal fan's import, and centrifugal fan's export passes through pipe connection in the import of liquid phase oxidation tower. VOCs waste gas gets into in the shower from the import of shower, and the water pump is followed the shower water tank and is taken water and follow the shower blowout, gets rid of the dust particulate matter in the VOCs waste gas and the waste gas composition of soluble in water. VOCs waste gas after spraying flows out by the spray chamber export, enter into the absorption tower by the bottom entry of absorption tower, circulating water pump takes out in spraying the liquid hold up tank through spraying liquid, extraction rate is controlled by the flowmeter, spray the first packing layer that liquid passes through the liquid distributor by absorption tower upper portion and enters into in the tower, the second packing layer, descend along the surface of packing, VOCs waste gas is through first packing layer by the bottom of tower, the space that the second packing layer packed flows to top in the contrary, by the absorbent high-efficient absorption of packing on the surface of packing layer, then, VOCs waste gas is discharged by the export of absorption tower behind the defroster defogging. Absorbing VOCs waste gas discharged from an outlet of an absorption tower into a liquid-phase oxidation tower by a centrifugal fan, filling active particles in the liquid-phase oxidation tower, allowing the VOCs waste gas subjected to spray absorption treatment in the absorption tower to enter the liquid-phase oxidation tower, firstly transferring VOCs from a gas phase to a gas-liquid interface and a liquid phase, further oxidizing the VOCs by active free radicals of the active particles, and oxidizing the VOCs into CO2 and H2O; meanwhile, VOCs waste gas is subjected to photolysis by combining ultraviolet rays emitted by an ultraviolet lamp, and finally discharged to the atmosphere after reaching the standard through a pipeline.
In general, the equipment provided by the utility model is reliable in operation, and volatile organic compounds in waste gas can be effectively removed by adopting multi-stage purification combining a spray chamber, an absorption tower and a liquid phase oxidation tower.
Claims (3)
1. The utility model provides a purifier of volatile organic compounds, includes spray room, absorption tower, liquid phase oxidation tower, centrifugal fan, the export of spray room passes through the import of pipe connection in the absorption tower, the export of absorption tower passes through the import of pipe connection in centrifugal fan, centrifugal fan's export passes through the import of pipe connection in liquid phase oxidation tower, its characterized in that:
a spray pipe is arranged in the spray chamber and connected to a water pump, the water pump is arranged at the bottom of a spray water tank, and the spray water tank is arranged outside the spray chamber;
the bottom of the absorption tower is provided with a spray liquid storage tank, the top of the absorption tower is provided with a demister, a first packing layer and a second packing layer are arranged between the spray liquid storage tank at the bottom and the demister inside of the absorption tower, liquid distributors are respectively arranged above the first packing layer and the second packing layer, a circulating water pump is arranged outside the absorption tower, spray heads are arranged above the liquid distributors, the spray heads are connected to the circulating water pump through spray pipes, water inlets of the circulating water pump are connected to the spray liquid storage tank, and flowmeters are installed on the spray pipes;
active particles are filled in the liquid phase oxidation tower, and an ultraviolet lamp is installed in the liquid phase oxidation tower.
2. The apparatus for purifying volatile organic compounds according to claim 1, wherein: the particle size of the active particles is between 0.3mm and 5 mm.
3. The apparatus for purifying volatile organic compounds according to claim 1, wherein: the light source power of the ultraviolet lamp is 0-10000W and can be continuously adjusted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121296352.8U CN215962866U (en) | 2021-06-10 | 2021-06-10 | Volatile organic compound purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121296352.8U CN215962866U (en) | 2021-06-10 | 2021-06-10 | Volatile organic compound purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215962866U true CN215962866U (en) | 2022-03-08 |
Family
ID=80516788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121296352.8U Expired - Fee Related CN215962866U (en) | 2021-06-10 | 2021-06-10 | Volatile organic compound purifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215962866U (en) |
-
2021
- 2021-06-10 CN CN202121296352.8U patent/CN215962866U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |