CN107051192A - It is combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system - Google Patents
It is combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system Download PDFInfo
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- CN107051192A CN107051192A CN201710197843.9A CN201710197843A CN107051192A CN 107051192 A CN107051192 A CN 107051192A CN 201710197843 A CN201710197843 A CN 201710197843A CN 107051192 A CN107051192 A CN 107051192A
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- photodissociation
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- 238000007254 oxidation reaction Methods 0.000 title claims abstract description 54
- 230000003647 oxidation Effects 0.000 title claims abstract description 53
- 238000006303 photolysis reaction Methods 0.000 title claims abstract description 46
- 239000002699 waste material Substances 0.000 title claims abstract description 33
- 238000006555 catalytic reaction Methods 0.000 title claims abstract description 25
- 230000000295 complement effect Effects 0.000 title claims abstract description 22
- 238000004140 cleaning Methods 0.000 title claims abstract description 19
- 239000007921 spray Substances 0.000 claims abstract description 80
- 230000003197 catalytic effect Effects 0.000 claims abstract description 25
- 238000007539 photo-oxidation reaction Methods 0.000 claims abstract description 24
- 238000012856 packing Methods 0.000 claims description 23
- 239000007788 liquid Substances 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 210000000621 bronchi Anatomy 0.000 claims description 6
- 239000000945 filler Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 9
- 238000000746 purification Methods 0.000 abstract description 9
- 239000005416 organic matter Substances 0.000 abstract description 7
- 150000004820 halides Chemical class 0.000 abstract description 5
- 239000010815 organic waste Substances 0.000 abstract description 5
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 50
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 18
- 230000000694 effects Effects 0.000 description 17
- 241000894006 Bacteria Species 0.000 description 15
- 230000001954 sterilising effect Effects 0.000 description 15
- 229920002477 rna polymer Polymers 0.000 description 11
- 238000004659 sterilization and disinfection Methods 0.000 description 10
- 239000002912 waste gas Substances 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 230000008859 change Effects 0.000 description 7
- 239000013618 particulate matter Substances 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- 244000005700 microbiome Species 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000001590 oxidative effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 108090000623 proteins and genes Proteins 0.000 description 4
- 102000004169 proteins and genes Human genes 0.000 description 4
- 108010015776 Glucose oxidase Proteins 0.000 description 3
- 239000004366 Glucose oxidase Substances 0.000 description 3
- 241000700605 Viruses Species 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 210000000170 cell membrane Anatomy 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 229940116332 glucose oxidase Drugs 0.000 description 3
- 235000019420 glucose oxidase Nutrition 0.000 description 3
- 150000004676 glycans Chemical class 0.000 description 3
- 239000004519 grease Substances 0.000 description 3
- 150000002632 lipids Chemical class 0.000 description 3
- 230000004060 metabolic process Effects 0.000 description 3
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- 229920001282 polysaccharide Polymers 0.000 description 3
- 239000005017 polysaccharide Substances 0.000 description 3
- 230000027272 reproductive process Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 230000030833 cell death Effects 0.000 description 2
- 238000004132 cross linking Methods 0.000 description 2
- 230000034994 death Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000005202 decontamination Methods 0.000 description 2
- 102000039446 nucleic acids Human genes 0.000 description 2
- 108020004707 nucleic acids Proteins 0.000 description 2
- 150000007523 nucleic acids Chemical class 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 241000486406 Trachea Species 0.000 description 1
- 230000001580 bacterial effect Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000035568 catharsis Effects 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000004332 deodorization Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001965 increasing effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000002285 radioactive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 210000003705 ribosome Anatomy 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000005437 stratosphere Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 210000003437 trachea Anatomy 0.000 description 1
Classifications
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
-
- 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
- B01D53/007—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 irradiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/10—Oxidants
- B01D2251/104—Ozone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/90—Odorous compounds not provided for in groups B01D2257/00 - B01D2257/708
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/91—Bacteria; Microorganisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2259/00—Type of treatment
- B01D2259/80—Employing electric, magnetic, electromagnetic or wave energy, or particle radiation
- B01D2259/804—UV light
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Environmental & Geological Engineering (AREA)
- Toxicology (AREA)
- Biomedical Technology (AREA)
- Physical Water Treatments (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The invention belongs to organic waste odor purification processing technology field, specifically provide a kind of compound complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, including spray column and photodissociation oxidation equipment, the air inlet entered for pending waste odour-gas is provided with the spray column, the gas outlet of the spray column is connected with the air inlet of the photodissociation oxidation equipment, and equal drift net, 253.7nm wave band UV lamps pipe, the first photooxidation catalytic plate, 185nm wave band UV lamp pipes and the second photooxidation catalytic plate are provided between the air inlet and gas outlet in the photodissociation oxidation equipment.Pass through the 253.7nm wave band UV lamp pipes and 185nm wave band UV lamp pipes of introducing in the present invention, realize the compound complementary photodissociation catalysis oxidation of 253.7nm light waves and 185nm light waves, and then reach thorough purified treatment to waste odour-gas such as constitutionally stable atom organic matter, halide, and sour gas can be handled, device systems service life is long.
Description
Technical field
The invention belongs to organic waste odor purification processing technology field, and in particular to the compound complementary photodissociation catalysis oxygen of one kind
Change waste odour-gas cleaning treatment system.
Background technology
UV photodissociation technologies are to handle organic exhaust gas, i.e. UV+O by the principle of the cold burning of ultraviolet light3, pass through strong ultraviolet light
Shortwave is cracked to emission molecule, interrupts strand, while produce substantial amounts of ozone carries out oxidation processes to waste gas, because its
Main oxidant is ozone (oxidizing potential of ozone is 2.07 volts), so only effective to the processing of general organic exhaust gas composition
Really, but to constitutionally stable atom organic matter, halide reaction is not produced, treatment effect is very poor.
Photooxidation catalytic treatment technology is to utilize extraordinary ultra-violet bands (UVD wave bands), in the presence of catalytic oxidant, light
Catalysis oxidation is that catalytic action occurs in the presence of extraneous visible ray, and photocatalysis oxidation reaction is using semiconductor and air to urge
Agent, is CO by organic matter degradation using light as energy2And H2O and other nontoxic compositions.Made using artificial ultraviolet light wave
For the energy, activity most strong, reaction efficiency highest nano-TiO after being handled through particular technology2Catalyst excites catalytic reaction, gives up
Odour reaches certain clean-up effect after treatment, but photooxidation catalytic treatment technology is no to utilize UVC ripples well
The service life of the purification function of section, it is impossible to handle sour gas, easily influence equipment.
Based on above reason, a kind of urgently new organic waste Odor control technology, is not influenceing to set to realize in the art
In the case of the standby life-span, remain to realize the purified treatment to waste odour-gas such as constitutionally stable atom organic matter, halide.
The content of the invention
In order to solve the above mentioned problem of prior art presence, the present invention provides a kind of compound complementary photodissociation catalysis oxidation and given up
Odor purification processing system.It can reach thorough to the purified treatment of the waste odour-gas such as constitutionally stable atom organic matter, halide
Processing, and sour gas can be handled, device systems are not injured in itself in decontamination process, device systems service life
It is long.
The present invention is implemented by the following technical programs：
One kind of the present invention is combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, including spray column and photodissociation
The air inlet entered for pending waste odour-gas, the gas outlet of the spray column are provided with oxidation equipment, the spray column
Connected with the air inlet of the photodissociation oxidation equipment, between the air inlet and gas outlet in the photodissociation oxidation equipment
It is provided with equal drift net, 253.7nm wave band UV lamps pipe, the first photooxidation catalytic plate, 185nm wave band UV lamp pipes and the catalysis of the second photooxidation
Plate.
When the present invention is specifically used, waste odour-gas first pass through spray column elution, under spray column filter retains its particulate matter
Come, filter off the particulate matter of easy damaged system equipment and the gas of readily soluble aqueous, while reducing EGT.Then photodissociation is entered back into
The thorough purification of organic waste odour-gas is completed in oxidation equipment.Specifically cleaning principle is：Sent out by 253.7nm wave band UV lamps pipe
The main ripples of 253.7nm are penetrated, using the UVC ultraviolets of the main ripples of 253.7nm by the irradiation to microorganisms such as bacterium, viruses, are destroyed micro-
The molecular structure of DNA (DNA) or RNA (ribonucleic acid) in living organism cell, cause DNA fracture, nucleic acid
Crosslinking with albumen ruptures, and causes growth cell death and regenerative cell dead, reaches the effect of sterilizing.Wavelength
185nm UVD ultraviolets irradiation air, can decompose the oxygen O in air2Molecule, the O atom of generation again with O2Molecule is combined
Produce ozone O3.Ozone O3With strong oxidation, the cell membrane of decomposing bacteria can be destroyed, Cellular Oxidation is penetrated into and decomposes destruction
Glucose oxidase, ribonucleic acid (RNA), DNA (DNA), protein, lipid, polysaccharide macromolecular polymerization
Thing, the metabolism and reproductive process for making bacterium is destroyed, and then causes bacterial death, reaches the effect of sterilizing.Pass through
185nm wave band UV lamps pipe launches the main ripples of 185nm, and O is produced in conjunction with the UVD ultraviolets of the main ripples of 185nm3(ozone), ozone has
Strong oxidation, can effectively kill bacterium.Ultraviolet ray sterilization bactericidal is exactly, by ultraviolet irradiation, to destroy and change micro- life
DNA (DNA) structure of thing, makes bacterium dead at once or irreproducible offspring, reaches the purpose of sterilization.Real tool
Have bactericidal action is the main ripple UVC ultraviolets of 253.7nm because C-band ultraviolet very easily by organism DNA absorb, especially with
253.7nm or so ultraviolet is optimal, it is not necessary to be converted into visible ray, and 253.7nm wavelength is made with regard to that can play sterilization well
With because cell has a rule to the absorption line of light wave, having the absorption of maximum, doctor in 250~270nm ultraviolet
Learning proves that absorbed ultraviolet is substantially applied to cellular genetic material i.e. DNA, and it plays a kind of photochemical action, ultraviolet photon
Energy by DNA base-pair absorb, cause inhereditary material to morph, make bacterium dead at once or irreproducible offspring,
Reach the purpose of sterilization.For sterilization speed, the main ripple UVC of 253.7nm be in microorganism absworption peak within the scope of, can 1s it
The interior DNA structure by destroying microorganism kills virus and bacterium.The ultraviolet of 185nm wavelength is to become the oxygen in air
Ozone, ozone has strong oxidizing property, can effectively kill bacterium.Wavelength 185nm UVD ultraviolets can be by the oxygen O in air2Become
Into ozone O3, ozone has strong oxidation, can effectively kill bacterium, but wavelength 185nm ultraviolets itself are without sterilization
Disinfective action, and wavelength 185nm UVD ultraviolets can be by the oxygen O in air2Become ozone O3, the dispersivity that ozone has
Just can make up 253.7nm ultraviolets can only straightline propagation, sterilization have the shortcomings that dead angle, ozone can reach space with air
Any corner, makes sterilizing more thorough.Ozone sterilization principle：Wavelength 185nm UVD ultraviolets irradiation air, can be decomposed
Oxygen O in air2Molecule, the O atom of generation again with O2Molecule, which is combined, produces ozone O3.Ozone O3With strong oxidation, energy
The cell membrane of decomposing bacteria is destroyed, Cellular Oxidation is penetrated into and decomposes destruction glucose oxidase, ribonucleic acid (RNA), deoxidation core
Ribosomal ribonucleic acid (DNA), protein, lipid, polysaccharide macromolecular polymer, the metabolism and reproductive process for making bacterium destroyed and
Death, reaches the effect of sterilizing.
The present invention exactly make use of irradiation of the UVC ultraviolets ultraviolet to microorganisms such as bacterium, viruses, destroy microorganism machine
The molecular structure of DNA (DNA) or RNA (ribonucleic acid) in body cell, cause DNA fracture, nucleic acid and albumen
Crosslinking rupture, cause growth cell death and regenerative cell dead, reach the effect of sterilizing.Fully combine again
The UVD ultraviolets irradiation air of 185nm wavelength, can decompose the oxygen O in air2Molecule, the O atom of generation again with O2Molecule
With reference to generation ozone O3.Ozone O3With strong oxidation, the cell membrane of decomposing bacteria can be destroyed, Cellular Oxidation decomposition is penetrated into
Glucose oxidase, ribonucleic acid (RNA), DNA (DNA), protein, lipid, polysaccharide macromolecular is destroyed to gather
Compound, the metabolism and reproductive process for making bacterium is destroyed and dead, reaches the effect of sterilization, sterilization, deodorization.Due to ozone pair
The middle ultraviolet radioactive that wavelength in stratosphere is shorter than 300nm has absorbability, changes the strand of its grease with ultraviolet light, together
When this ultraviolet light and air in oxygen reaction after produce ozone, by the cold combustion generation carbon dioxide of grease molecules and water, in oil smoke
Organic matter aoxidized by photodissociation, different smell is also eliminated therewith.
Based on principles above, the present invention is by 253.7nm and the main ripple features of 185nm two, and both mutually cooperate with increasing
Effect, is completed for resistant bacteria, the decomposition of rock-steady structure organic matter and purified treatment jointly, and to the net of organic waste odour-gas
Change treatment effect very excellent.
According to a particular embodiment of the invention, further advantageous embodiment, in addition to main tracheae and several bronchuses, institute
The one end for stating main tracheae is connected with the air inlet of the spray column, and described bronchial one end is connected with the main tracheae, described
The bronchial other end is provided with gas skirt.Can be easily real by the bronchus and gas skirt set up in the improvement project
The collection of existing waste odour-gas, the bronchus and gas skirt auxiliary plan are particularly suitable for use in grease drying room.
According to a particular embodiment of the invention, further advantageous embodiment, in addition to centrifugal blower and chimney, the centrifugation
The air inlet of blower fan is connected with the gas outlet of the photodissociation oxidation equipment, the gas outlet of the centrifugal blower and the chimney
Bottom air inlet connection.It can be played first to the circulation of processing gas in a system of the invention by the traction of centrifugal blower
Drainage, secondly can deliver into high aerial, further influence of the reduction to periphery by chimney by the gas purified.
The height of chimney may be designed as 15m.
According to a particular embodiment of the invention, the air inlet in further advantageous embodiment, the photodissociation oxidation equipment
Mouthful to be provided between gas outlet in air channel, the air channel set gradually from air inlet direction to gas outlet direction equal drift net,
253.7nm wave band UV lamps pipe, the first photooxidation catalytic plate, 185nm wave band UV lamp pipes and the second photooxidation catalytic plate.There is provided in the present invention
Equal drift net, 253.7nm wave band UV lamps pipe, the layout side of first and second two layers photooxidation catalytic plate and 185nm wave band UV lamp pipes
Formula, the 253.7nm wave bands and the diffusion light wave of 185nm wave bands that the first photooxidation catalytic plate is also sent respectively to two kinds of UV lamp pipes, which rise, to be divided
Every effect, purified treatment effect of the present invention for waste odour-gas can be improved.
According to a particular embodiment of the invention, further advantageous embodiment, the first photooxidation catalytic plate and the second photooxidation
Catalytic plate is nanoscale TiO2Catalytic plate.
In order to further lift the deacidification in spray column except particulate matter effect, according to a particular embodiment of the invention, enter one
Middle and upper part in the advantageous embodiment of step, the spray column be provided with spray piping, the spray piping be provided with and communicated with it is some
Bottom in individual atomizer, the spray column, which is provided with collecting tank, the collecting tank, is provided with water circulating pump, the recirculated water
The liquid outlet of pump is connected by liquid pushing tube with the spray piping.Spray liquid can pass through " spray piping --- atomizer ---
Collecting tank --- water circulating pump --- liquid pushing tube --- spray piping " circulated sprinkling is carried out, resource has been saved, spray liquid is improved
Utilization rate, improves the absorption assimilation effect to acid and particulate matter.
According to a particular embodiment of the invention, packing layer is additionally provided with further advantageous embodiment, the spray column.Fill out
The filler of the bed of material is the spray liquid under loose and porous structure, packing layer load atomizer spray, and pending waste gas passes through packing layer
When with packing layer load spray liquid fully contact, further lifting deacidification remove particulate matter effect.
According to a particular embodiment of the invention, in order to further lift spray preliminary purification effect, reduce to equipment damage
Two layers of spray piping is provided with influence, further advantageous embodiment, the spray column, two layers of spray piping is respectively to be located at spray
Drench to connect on first spray piping and the second spray piping in the middle part of spray column on tower top, first spray piping and set
It is equipped with several the first shower nozzles, second spray piping and is provided with and communicated with several the second shower nozzles, described filler layer is by
One packing layer and the second packing layer composition, first packing layer are correspondingly arranged in below the first shower nozzle, second packing layer
It is correspondingly arranged in below the second shower nozzle, second packing layer is located above the first shower nozzle.It is additionally provided with above second shower nozzle
One layer of demisting layer.
According to a particular embodiment of the invention, it is provided with and removes at further advantageous embodiment, the gas outlet of the spray column
Day with fog.Pending waste gas enters before photodissociation oxidation equipment, if containing substantial amounts of moisture, can also be set to photodissociation catalysis oxidation
The standby demister newly established in damage, the present invention that produces itself can realize the effect of gas-liquid separation, at spray column gas outlet
Waste gas in liquid separate, and then ensure enter photodissociation oxidation equipment pending waste gas be dry gas, enter
And extend the service life of present device, and according to a particular embodiment of the invention, further advantageous embodiment, the demister
More excellent aqueous vapor isolation of purified drying effect can be obtained during for wire mesh demister.
In summary, by the 253.7nm wave band UV lamp pipes and 185nm wave band UV lamp pipes of introducing in the present invention, realize
The compound complementary photodissociation catalysis oxidation of 253.7nm light waves and 185nm light waves, and then reach organic to constitutionally stable atom
The thorough purified treatment of the waste odour-gas such as thing, halide, and sour gas can be handled, do not injure and set in decontamination process
In itself, device systems service life is long for standby system.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the compound complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system of the present invention.
1- gas skirts in figure；The main tracheaes of 2-；3- spray columns, the shower nozzles of 31- first, the packing layers of 32- first, the shower nozzles of 33- second,
The packing layers of 34- second；4- photodissociation oxidation equipments, the equal drift nets of 41-, 42-253.7nm wave band UV lamp pipes, 43-185nm wave bands
UV lamp pipe, 44- the first photooxidation catalytic plates, 45- the second photooxidation catalytic plates；5- centrifugal blowers；6- chimneys.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belongs to the scope that the present invention is protected.
Embodiment：
The present embodiment provides one kind compound complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, including spray column 3,
Photodissociation oxidation equipment 4, centrifugal blower 5, chimney 6, main tracheae 2 and several bronchuses.
The air inlet entered for pending waste odour-gas, the gas outlet of the spray column 3 and institute are provided with the spray column 3
State the air inlet connection of photodissociation oxidation equipment 4.Two layers of spray piping, two layers of spray piping are provided with the spray column 3
Respectively positioned at first spray piping and the second spray piping positioned at the middle part of spray column 3 on the top of spray column 3, first spray
It is provided with and communicated with shower pipe road on several the first shower nozzles 31, second spray piping and is provided with and communicated with several the second shower nozzles
33.Packing layer is additionally provided with the spray column 3, described filler layer is made up of the first packing layer 32 and the second packing layer 34, institute
State the first packing layer 32 and be correspondingly arranged in the lower section of the first shower nozzle 31, second packing layer 34 is correspondingly arranged under the second shower nozzle 33
Side, second packing layer 34 is located at the top of the first shower nozzle 31.The top of second shower nozzle 33 is additionally provided with one layer of demisting layer.
Bottom in the spray column 3 is provided with collecting tank, the collecting tank is provided with water circulating pump, and the water circulating pump goes out liquid
Mouth is connected by liquid pushing tube with the spray piping.Demister is provided with the gas outlet of the spray column 3, the demister is
Wire mesh demister.One end of the main tracheae 2 is connected with the air inlet of the spray column 3, described bronchial one end with it is described
Main tracheae 2 is connected, and the bronchial other end is provided with gas skirt 1.The air inlet of the centrifugal blower 5 is urged with the photodissociation
Change the gas outlet connection of oxidation furnaces 4, the gas outlet of the centrifugal blower 5 is connected with the bottom air inlet of the chimney 6.
Air inlet in the photodissociation oxidation equipment 4 between gas outlet to being provided with air channel, the air channel from entering
Gas port direction to gas outlet direction set gradually equal drift net 41,253.7nm wave band UV lamps pipe 42, the first photooxidation catalytic plate 44,
185nm wave band UV lamps pipe 43 and the second photooxidation catalytic plate 45, the first and second photooxidations catalytic plate is nanoscale TiO2Urge
Change plate.
As shown in figure 1, the compound complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system of the present embodiment is specifically used
When, gas skirt 1 collects pending waste odour-gas, and pending waste odour-gas, which are sequentially passed through, enters spray column 3 after bronchus and main tracheae 2
Interior, pending waste odour-gas up process in spray column 3 is to start to contact with spray liquid, and when through packing layer further with
Spray liquid is contacted, and is absorbed with the acid and particulate matter in pending waste odour-gas in spray liquid contact process by spray liquid, so
Obtain afterwards containing the more moist waste gas to be clean of steam, moist waste gas to be clean is at the gas outlet of spray column 3 by silk screen foam removal
Device is further dried purification and removes drop steam, obtains the waste gas to be clean of drying.Dry waste gas to be clean is urged into photodissociation
Change in oxidation furnaces 4 and carry out in composite depth processing, advanced treatment process, first through the equal uniform air flow of drift net 41, Ran Hou
The main ripples of 253.7nm and the main ripples of 185nm that 253.7nm wave band UV lamps pipe 42 and 185nm wave band UV lamps pipe 43 are sent respectively are jointly multiple
Close under complementary catharsis, and combine the thorough purification of two layers of photooxidation catalytic plate completion waste gas, the gas after being purified, purification
Gas afterwards is delivered to the top vent of chimney 6 in the case where row is sent in the suction of centrifugal blower 5 and discharged.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. one kind is combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, it is characterised in that：Including spray column (3) and
The air inlet entered for pending waste odour-gas, the spray are provided with photodissociation oxidation equipment (4), the spray column (3)
The gas outlet of tower (3) is connected with the air inlet of the photodissociation oxidation equipment (4), in the photodissociation oxidation equipment (4)
Air inlet and gas outlet between be provided with equal drift net (41), 253.7nm wave band UV lamp pipes (42), the first photooxidation catalytic plate
(44), 185nm wave bands UV lamp pipe (43) and the second photooxidation catalytic plate (45).
2. according to claim 1 be combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, it is characterised in that：
Also include main tracheae (2) and several bronchuses, one end of the main tracheae (2) is connected with the air inlet of the spray column (3),
Described bronchial one end is connected with the main tracheae (2), and the bronchial other end is provided with gas skirt (1).
3. according to claim 1 be combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, it is characterised in that：
Also include centrifugal blower (5) and chimney (6), the air inlet of the centrifugal blower (5) and the photodissociation oxidation equipment (4)
Gas outlet is connected, and the gas outlet of the centrifugal blower (5) is connected with the bottom air inlet of the chimney (6).
4. according to claim 1 be combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, it is characterised in that：
Air inlet in the photodissociation oxidation equipment (4) between gas outlet to being provided with air channel, the air channel from air inlet side
To gas outlet direction set gradually equal drift net (41), 253.7nm wave band UV lamp pipes (42), the first photooxidation catalytic plate (44),
185nm wave band UV lamp pipes (43) and the second photooxidation catalytic plate (45).
5. according to claim 4 be combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, it is characterised in that：
The first photooxidation catalytic plate (44) and the second photooxidation catalytic plate (45) are nanoscale TiO2Catalytic plate.
6. according to claim 1 be combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, it is characterised in that：
Middle and upper part in the spray column (3), which is provided with spray piping, the spray piping, is provided with and communicated with several atomizers, institute
State the bottom in spray column (3) and be provided with collecting tank, the collecting tank and be provided with water circulating pump, the water circulating pump goes out liquid
Mouth is connected by liquid pushing tube with the spray piping.
7. according to claim 6 be combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, it is characterised in that：
Packing layer is additionally provided with the spray column (3).
8. according to claim 7 be combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, it is characterised in that：
Two layers of spray piping is provided with the spray column (3), two layers of spray piping is respectively the first spray positioned at spray column (3) top
Be provided with and communicated with shower pipe road and the second spray piping in the middle part of spray column (3), first spray piping several
Several second shower nozzles (33) are provided with and communicated with one shower nozzle (31), second spray piping, described filler layer is filled out by first
The bed of material (32) and the second packing layer (34) composition, first packing layer (32) are correspondingly arranged in below the first shower nozzle (31), institute
State the second packing layer (34) to be correspondingly arranged in below the second shower nozzle (33), second packing layer (34) is located at the first shower nozzle (31)
One layer of demisting layer is additionally provided with above top, second shower nozzle (33).
9. according to claim 6 be combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, it is characterised in that：
Demister is provided with the gas outlet of the spray column (3).
10. according to claim 9 be combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system, its feature exists
In：The demister is wire mesh demister.
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| CN201710197843.9A CN107051192A (en) | 2017-03-29 | 2017-03-29 | It is combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system |
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| CN201710197843.9A CN107051192A (en) | 2017-03-29 | 2017-03-29 | It is combined complementary photodissociation catalysis oxidation waste odour-gas cleaning treatment system |
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