CN110052161A - VOC photocatalysis treatment system - Google Patents
VOC photocatalysis treatment system Download PDFInfo
- Publication number
- CN110052161A CN110052161A CN201910276784.3A CN201910276784A CN110052161A CN 110052161 A CN110052161 A CN 110052161A CN 201910276784 A CN201910276784 A CN 201910276784A CN 110052161 A CN110052161 A CN 110052161A
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- Prior art keywords
- pipeline
- settling section
- settling zone
- circulator
- settling
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- 238000007146 photocatalysis Methods 0.000 title claims abstract description 25
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 25
- 239000003054 catalyst Substances 0.000 claims abstract description 30
- 230000003197 catalytic effect Effects 0.000 claims abstract description 30
- 238000002156 mixing Methods 0.000 claims abstract description 19
- 239000012530 fluid Substances 0.000 claims description 41
- 238000005192 partition Methods 0.000 claims description 25
- 239000000945 filler Substances 0.000 claims description 20
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical group O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 238000005352 clarification Methods 0.000 claims description 6
- 238000012856 packing Methods 0.000 claims description 6
- 230000004308 accommodation Effects 0.000 claims description 5
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000012855 volatile organic compound Substances 0.000 description 13
- 230000000694 effects Effects 0.000 description 12
- 238000006731 degradation reaction Methods 0.000 description 9
- 239000007788 liquid Substances 0.000 description 9
- 238000006555 catalytic reaction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 230000015556 catabolic process Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002957 persistent organic pollutant Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000001965 increasing effect Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 150000003254 radicals Chemical class 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- 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
- B01D53/90—Injecting reactants
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/20—Metals or compounds thereof
- B01D2255/207—Transition metals
- B01D2255/20707—Titanium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2255/00—Catalysts
- B01D2255/80—Type of catalytic reaction
- B01D2255/802—Photocatalytic
-
- 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
-
- 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
-
- 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
- B01D2259/806—Microwaves
Abstract
The present invention provides a kind of VOC photocatalysis treatment systems.The VOC photocatalysis treatment system includes device for catalytic treatment, settler, pipeline, mixing arrangement and circulator, the settler includes the first settling zone below the device for catalytic treatment, the second settling zone below the circulator and the settling section between first settling zone and second settling zone, the pipeline includes the first pipeline, second pipeline, third pipeline and the 4th pipeline, first settling zone described in first pipeline connection and the mixing arrangement, settling section described in second pipeline connection and the mixing arrangement, the third pipe is connected to the mixing arrangement and the circulator, second settling zone and the device for catalytic treatment described in 4th pipeline connection.Compared with the relevant technologies, recycling for catalyst is may be implemented in the VOC photocatalysis treatment system of offer of the invention.
Description
[technical field]
The present invention relates to VOCs treatment technical field more particularly to a kind of VOC photocatalysis treatment systems.
[background technique]
In industrial production, especially printing industry, the exhaust gas generated in production process includes a large amount of volatile organic matter
(Volatile organic compounds, VOC), is distributed by the surface of printable fabric, passes through pipe without any processing
Road is discharged to outside workshop, causes the serious pollution to atmospheric environment.
In the related technology, VOCs treatment be selected generally from activated carbon adsorption, solution absorb absorption method, condensing recovery method,
Combustion oxidation method etc., but in the treatment process of the above method, need to consume a large amount of raw material, it is not able to satisfy the need of low energy consumption
It asks.
Therefore, it is necessary to provide the new VOC photocatalysis treatment system of one kind to solve the above problems.
[summary of the invention]
The object of the present invention is to provide one kind to economize on resources, while clean-up effect good VOC photocatalysis treatment system
System.
The present invention provides a kind of VOC photocatalysis treatment system, including device for catalytic treatment, settler, pipeline, mixing dress
Set and circulator, exhaust gas enter from the device for catalytic treatment, be discharged by the circulator, the device for catalytic treatment and
The circulator is installed on the top of the settler and is spaced apart from each other, and the settler, which is divided into, is located at described urge
Change the first settling zone below processing unit, the second settling zone below the circulator and be located at described first and sinks
Settling section between shallow lake area and second settling zone, the pipeline include the first pipeline, the second pipeline, third pipeline and the 4th
Pipeline, the first settling zone and the mixing arrangement described in first pipeline connection, settling section described in second pipeline connection
With the mixing arrangement, the third pipe is connected to the mixing arrangement and the circulator, described in the 4th pipeline connection
Second settling zone and the device for catalytic treatment, the settling section are separated to form the first primary settling section, the second primary clarification
Area and secondary clearing area, the first primary settling section be connected tos with first settling zone, the second primary settling section and
Second settling zone connection, the secondary clearing area be located at the described first primary settling section and the second primary settling section it
Between, and the height in the secondary clearing area is lower than the height of the described first primary settling section and the second primary settling section.
Preferably, the settler includes described in roof, the bottom wall being oppositely arranged with the roof and connection
The side wall of roof and the bottom wall, the roof, the bottom wall and the side wall cooperatively form accommodation space, the catalytic treatment
Device and the circulator are installed on the roof.
Preferably, the settler further includes two partitions for being fixed on the bottom wall and being spaced apart from each other setting, described
The height of partition is less than the height of the side wall, and the accommodation space is separated to form first precipitating by two partitions
Area, the settling section and second settling zone.
Preferably, the settler further includes two partition walls for being fixed on the bottom wall and being spaced apart from each other, and described point
The height in next door is less than the height of the partition, and it is primary clear that the settling section is separated to form described first by two partition walls
Clear area, the second primary settling section and the secondary clearing area.
Preferably, two partitions are respectively equipped with perforative through-hole, one of them described through-hole connection described first is heavy
Shallow lake area and the first primary settling section, another described through-hole are connected to second settling zone and the second primary clarification
Area.
Preferably, the position that the side wall corresponds to first settling zone offers the first fluid hole；The corresponding clarification
The position in area offers the second fluid hole；The position of corresponding second settling zone offers third fluid hole, and described first goes out
Fluid apertures, the second fluid hole and the third fluid hole are all set in the sidewall bottom position, first pipeline and described the
The connection of one fluid hole, second pipeline are connect with second fluid hole, and the 4th pipeline and the third fluid hole connect
It connects.
Preferably, the device for catalytic treatment includes the first shell with air inlet, is contained in the first shell
First jet and with the spaced catalysis light source of the first jet, exhaust gas enters by the air inlet, first spray
Mouth and the 4th pipeline connection include catalyst, the setting of the first jet in the treatment fluid for spraying treatment fluid
The direction of motion of direction and gas is on the contrary, the catalyst is TiO2.
Preferably, the circulator includes the second shell with gas outlet, is contained in the second shell intracorporal
Two nozzles, the packing layer below the second nozzle and the microwave device being located on around described filler layer, after processing
Gas be discharged by the gas outlet, the second nozzle and the third pipeline connection, and the direction of the second nozzle with
The direction of motion of gas is opposite.
Preferably, the circulator further includes being fixed on the second shell close to the demisting layer of described gas outlet one end
And the second shell is fixed on close to the mechanical shutter of described settler one end, the second nozzle and institute's packing layer position
Between the demisting layer and the mechanical shutter.
Preferably, the quantity of described filler layer is three, and three described filler layers are spaced apart from each other, the number of the microwave device
It measures and matches with the quantity of described filler layer.
Compared with the relevant technologies, photocatalysis treatment device provided by the invention is gone in removing exhaust gas by catalytic degradation reaction
Organic pollutant, and micro wave regeneration will be carried out in contaminated catalyst transport to circulator after catalysis reaction, and restore to live
Property after catalyst be delivered in device for catalytic treatment again, realize recycling for catalyst, do not need consumption its
His raw material, economize on resources.
[Detailed description of the invention]
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing, in which:
Fig. 1 is the structural block diagram of VOC photocatalysis treatment system provided by the invention；
Fig. 2 is the part-structure connection schematic diagram of VOC photocatalysis treatment system provided by the invention；
Fig. 3 is the structural schematic diagram of ultraviolet radiator shown in Fig. 2.
[specific embodiment]
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that the described embodiments are merely a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 is please referred to, the present invention provides a kind of VOC photocatalysis treatment systems 100, including device for catalytic treatment
1, settler 2, pipeline 3, mixing arrangement 4 and circulator 5.The device for catalytic treatment 1 and the circulator 5 are installed on
The top of the settler 2 is simultaneously spaced apart from each other, and the pipeline 4 is for the company between each component of the VOC photocatalysis apparatus 100
It connects.
The device for catalytic treatment 1 is handled exhaust gas using Photocatalyst, and principle is in reaction system
The extremely strong free radical of middle generation activity, then pass through the adduction between organic pollutant in free radical and exhaust gas, substitution, electronics transfer
Etc. processes pollutant is all degraded to inorganic matter, be discharged after forming clean gas, have the effect of preferably reducing and pollute.
The device for catalytic treatment 1 include first shell 11, the first jet 12 that is contained in the first shell 11 and
Be contained in the first shell 11 and with the spaced catalysis light source 13 of the first jet 12.
The first shell 11 is hollow cylindrical structure comprising surrounds the body part 111 of accommodating space, described in
The first direct current baffle 112 that body part 111 extends close to one end of the settler 2 to 2 inner space of settler
And the first oblique flow baffle 113 extended from the bending of the end of the first direct current baffle 112.The fixed peace of the body part 111
Loaded on the settler 2, the first oblique flow baffle 113 is obliquely installed along towards the 111 central axes direction of body part.It is excellent
Choosing, the first oblique flow baffle 113 tilt angle relative to horizontal direction is 30~45 °.
The body part 111 offers air inlet 1110 far from one end of the settler 2, and exhaust gas to be processed is by institute
It states air inlet 1110 and enters the accommodating space, complete catalytic degradation.
The first jet 12 is used for spray process liquid, contains catalyst in the treatment fluid, it is preferred that the catalyst
For TiO2, have many advantages, such as high activity, high stability, low cost and nontoxic.The setting direction and gas of the first jet 12
On the contrary, the i.e. described first jet 12 is arranged towards 1110 direction of air inlet, the first jet 12 sprays the body direction of motion
Treatment fluid high speed ejection upward in the shape of a spiral, and inversely directly contacted into the exhaust gas of the first shell 11, when two-phase is dynamic
Amount is when reaching balance, will form one section and is made of foam and the standing wave area of high turbulence, gas-liquid two-phase contact in the standing wave area
Area is big, renewal frequency is high, can obtain high mass-transfer efficiency and degradation effect.
Further, first edge moves the treatment fluid that the first jet 12 sprays towards the direction of the air inlet 1110,
Then decline under the effect of gravity, form two sections of motion paths, the time of contact of catalyst and exhaust gas, enhancing degradation can be increased
Effect.It is understood that the first oblique flow baffle 113 is used to play the role of guiding, and the treatment fluid can be buffered
Speed when whereabouts avoids the treatment fluid splashes.
Further, the quantity of the first jet 12 is two, and two first jets 12 are spaced apart from each other, and are passed through
The blowing force size and spacing for adjusting the first jet 12 make the sum of lift of two first jets 12 be equal to the ontology
The height in portion 111 can make to be evenly distributed with the treatment fluid in the accommodating space, and increasing exhaust gas connects with the treatment fluid
Contacting surface product, further enhances degradation effect.In other embodiments, the quantity of the first jet 12 can also be other
Meaning quantity, the present invention are without limitation.
The catalysis light source 13 provides light source for catalytic degradation reaction, is fixedly connected with the body part 111.Specifically
, the catalysis light source 13 includes ultraviolet radiator 131 and the power supply 132 connecting with the ultraviolet radiator 131, the ultraviolet radiator
131 are fixed on the inner wall of the body part 111, and the power supply 132 is set to the outer wall of the body part 111.Further, institute
State catalysis light source 13 quantity be it is multiple, multiple ultraviolet light sources 13 are spaced apart from each other, it is described catalysis light source 13 quantity can
Intensity according to light required for catalytic degradation reaction is adjusted.
Referring to Fig. 3, the ultraviolet radiator 131 includes the Transparent lamp shade of multiple fluorescent tubes 1311 and the cladding fluorescent tube 1311
1312, multiple fluorescent tubes 1311 are distributed along the central axes circular array of the body part 111, can guarantee that the receiving is empty
Interior luminous intensity is uniformly distributed；The lampshade 1312 plays the role of waterproof, avoids the fluorescent tube 1312 and the treatment fluid
Contact, increase the service life of the fluorescent tube 1312.
The settler 2 is rectangular or round box-like structure comprising roof 21 is oppositely arranged with the roof 21
Bottom wall 22, the side wall 23 for connecting the roof 21 and the bottom wall 22 and two being fixed on the bottom wall 22 and being spaced apart from each other
Partition 24.The device for catalytic treatment 1 and the circulator 5 are installed on the roof 21, and the height of the partition 24 is less than
The height of the side wall 23.
The roof 21, the bottom wall 22 and the side wall 23 cooperatively form accommodation space, and the partition 24 is by the appearance
Receiving space is separated to form the first interconnected settling zone 10, settling section 20 and the second settling zone 30, first settling zone 10
Positioned at the lower section of the device for catalytic treatment 1, second settling zone 30 is located at the lower section of the circulator 5, the clarification
Area 20 is between first settling zone 10 and second settling zone 20.
It is understood that the catalyst surface in the treatment fluid can be attached with exhaust gas after the completion of cartalytic decomposition effect
The slightly solubility substance generated after middle particulate contamination or degradation reaction, activity reduce, and form contaminated catalyst, with institute
It states treatment fluid to fall together, be precipitated into first settling zone 10.
The position of corresponding first settling zone 10 of the side wall 23 offers the first fluid hole 231；The corresponding clarification
The position in area 20 offers the second fluid hole 232；The position of corresponding second settling zone 30 offers third fluid hole 233,
First fluid hole 231, the second fluid hole 232 and the third fluid hole 233 are all set in the bottom position of the side wall 23
It sets.
The settler 2 further includes two partition walls 25 for being fixed on the bottom wall 21 and being spaced apart from each other, the separation
The height of wall 25 is less than the height of the partition 24, and the settling section 20 is separated to form the first primary by two partition walls 25
The primary settling section 202 of settling section 201, second and secondary clearing area 203.
Two partitions 24 are respectively equipped with perforative through-hole 240, and it is heavy that one of them described through-hole 240 is connected to described first
Shallow lake area 10 and the first primary settling section 201, so that the liquid in first settling zone 10 is primary clear into described first
Clear area 201, liquid level rises in the described first primary settling section 201, until covering the partition wall 25 enters the secondary clearing
Area 203；Another described through-hole 240 is connected to second settling zone 30 and the second primary settling section 202, so that described the
Liquid in two settling zones 20 enters the described second primary settling section 202, and liquid level rises in the described second primary settling section 202,
Until covering the partition wall 25 enters the secondary clearing area 203.It is understood that since liquid is in first precipitating
Precipitating in area 10, second settling zone 20, the first primary settling section 210 and the second primary settling section 202 is made
With the liquid in the secondary clearing area 203 is the lower clear water of free from foreign meter or impurity content.
The pipeline 3 includes being connected to first fluid hole 231 and the first pipeline 31 of the mixing arrangement 4, being connected to institute
It states the second fluid hole 232 and the second pipeline 32 of the mixing arrangement 4, be connected to the mixing arrangement 4 and the circulator 5
4th pipeline 34 of third pipeline 33 and connection the third fluid hole 233 and the device for catalytic treatment 1.
First pipeline 31 is for filling contaminated catalyst transport in first settling zone 10 to the mixing
Set 4；Second pipeline 32 is used to the clear water in the secondary clearing area 203 being delivered to the mixing arrangement 4.The mixing
Device 4 forms mixed liquor, the third pipeline 33 is used for institute for the contaminated catalyst and clear water to be uniformly mixed
It states mixed liquor and is delivered to 5 circular regeneration of circulator, the 4th pipeline 34 is used for will be in second settling zone 30
Catalyst is delivered to again in the device for catalytic treatment 1.It is understood that the 4th pipeline 34 and the first jet
12 connections.
It should be noted that first pipeline 31, second pipeline 32 and the third pipeline 33 and the 4th pipeline
It also needs to be equipped with valve, the pump housing or other components to match accordingly on 34, selects the conventional means of this field,
The present invention does not repeat them here this.
The circulator 5 restores its activity, realizes catalyst for handling the contaminated catalyst
It recycles.Specifically, the circulator 5 include second shell 51, be contained in the second shell 51 demisting layer 52,
Second nozzle 53, packing layer 54, mechanical shutter 55 and the microwave device 56 being located on around described filler layer 54, the demisting
The from top to bottom successively interval setting of layer 52, second nozzle 53, packing layer 54 and mechanical shutter 55.
The second shell 51 is hollow cylindrical structure comprising surrounds the main part 511 of storage space, described in
The second direct current baffle 512 that main part 511 extends close to one end of the settler 2 to 2 inner space of settler
And the second oblique flow baffle 513 extended from the bending of the end of the second direct current baffle 512, the fixed peace of the main part 511
It is spaced apart from each other loaded on the settler 2, and with the body part 111, the second oblique flow baffle 513 is along towards the main part
511 central axes direction are obliquely installed.
The main part 511 offers gas outlet 5110 far from one end of the settler 2, treated clean gas
It is discharged by the gas outlet 5110.
The second nozzle 53 is connect with the third pipeline 33, for spraying the mixed liquor.The second nozzle 53
Setting it is reversely contrary with air motion, i.e., the setting direction of the described second nozzle 52 is towards the settler 2.
Described filler layer 54 provides instead for carrying the contaminated catalyst for the contaminated catalyst regeneration
Place is answered, specifically, described filler layer 54 is made of bulk material, the water in the mixed liquor can be made to pass through, leave institute
State contaminated catalyst.The quantity of described filler layer 54 be it is multiple, multiple described filler layers 54 are spaced apart from each other, and can increase quilt
The probability of the catalyst attachment of pollution.
The microwave device 56 is fixedly connected with the second shell 51, for dirty to adhering in described filler layer 54
The catalyst of dye carries out microwave treatment, to restore the activity of catalyst.Further, the thickness of described filler layer 54 with it is described micro-
The microwave frequency band of wave apparatus 56 matches, and the thickness of described filler layer 54 is set as the thickness that a microwave can penetrate.
The microwave device 56 includes the waveguide pipe 561 connecting with described filler layer 54 and connects with the waveguide pipe 561
The microwave source 562 connect, the waveguide pipe 561 are located between the second shell 51 and described filler layer 54, the microwave source
562 are fixed on the outer wall of the second shell 51, it is to be understood that the quantity and described filler layer 54 of the microwave device 56
Quantity it is corresponding, i.e. the corresponding microwave device 56 of described filler layer.
The mechanical shutter 55 is set to the second shell 51 close to one end of the settler 2, at micro wave regeneration
The catalyst of reason is fallen in the mechanical shutter 55, run up to it is a certain amount of after, the mechanical shutter 55 is opened, and catalyst is fallen into
Second settling zone 30 precipitates, after the water level in second settling zone 30 rises, 30 upper layer of the second settling zone it is clear
Water can equally cover the partition into the settling section 20.The mechanical shutter 55 further includes matched induction machine
Structure, control mechanism and driving mechanism, use ordinary skill in the art means, and the present invention does not repeat them here this.It can be with
Understand, the second oblique flow baffle 513 can buffer the speed when catalyst falls for playing the role of guiding
Degree, avoids the liquid splashes in second settling zone 30.
The demisting layer 52 is used to absorb the moisture or tiny granulated mass in the clean gas, can be into one
Step guarantees the cleanliness of discharge gas, specifically, the demisting layer 32 is set to the main part 511 close to the gas outlet
5110 one end, and it is fixed on the inner wall of the body part 511.
Compared with the relevant technologies, photocatalysis treatment device 100 provided by the invention, by catalytic degradation reaction, removal is useless
Organic pollutant in gas, and micro wave regeneration will be carried out in contaminated catalyst transport to circulator 5 after catalysis reaction, it is extensive
Catalyst after active is delivered to again in device for catalytic treatment 1, realizes recycling for catalyst, does not need to consume
Other raw material, economize on resources.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (10)
1. a kind of VOC photocatalysis treatment system, which is characterized in that including device for catalytic treatment, settler, pipeline, mixing dress
Set and circulator, exhaust gas enter from the device for catalytic treatment, be discharged by the circulator, the device for catalytic treatment and
The circulator is installed on the top of the settler and is spaced apart from each other, and the settler, which is divided into, is located at described urge
Change the first settling zone below processing unit, the second settling zone below the circulator and be located at described first and sinks
Settling section between shallow lake area and second settling zone, the pipeline include the first pipeline, the second pipeline, third pipeline and the 4th
Pipeline, the first settling zone and the mixing arrangement described in first pipeline connection, settling section described in second pipeline connection
With the mixing arrangement, the third pipe is connected to the mixing arrangement and the circulator, described in the 4th pipeline connection
Second settling zone and the device for catalytic treatment, the settling section are separated to form the first primary settling section, the second primary clarification
Area and secondary clearing area, the first primary settling section be connected tos with first settling zone, the second primary settling section and
Second settling zone connection, the secondary clearing area be located at the described first primary settling section and the second primary settling section it
Between, and the height in the secondary clearing area is lower than the height of the described first primary settling section and the second primary settling section.
2. VOC photocatalysis treatment system according to claim 1, which is characterized in that the settler includes top
Wall, the bottom wall being oppositely arranged with the roof and the side wall for connecting the roof and the bottom wall, the roof, the bottom wall
And the side wall cooperatively forms accommodation space, the device for catalytic treatment and the circulator are installed on the roof.
3. VOC photocatalysis treatment system according to claim 2, which is characterized in that the settler further includes fixing
In the bottom wall and two partitions of setting are spaced apart from each other, the height of the partition is less than the height of the side wall, described in two
The accommodation space is separated to form first settling zone, the settling section and second settling zone by partition.
4. VOC photocatalysis treatment system according to claim 3, which is characterized in that the settler further includes fixing
In the bottom wall and two partition walls being spaced apart from each other, the height of the partition wall is less than the height of the partition, described in two
The settling section is separated to form the described first primary settling section, the second primary settling section and the secondary clearing by partition wall
Area.
5. photocatalysis treatment system according to claim 4, which is characterized in that two partitions are respectively equipped with perforative
Through-hole, one of them described through-hole are connected to first settling zone and the first primary settling section, another described through-hole connects
Lead to second settling zone and the second primary settling section.
6. VOC photocatalysis treatment system according to claim 5, which is characterized in that it is heavy that the side wall corresponds to described first
The position in shallow lake area offers the first fluid hole；The position in the corresponding secondary clearing area offers the second fluid hole；Described in correspondence
The position of second settling zone offers third fluid hole, and first fluid hole, the second fluid hole and the third fluid hole are equal
It is set to the sidewall bottom position, first pipeline is connect with first fluid hole, second pipeline and described the
The connection of two fluid holes, the 4th pipeline are connect with the third fluid hole.
7. VOC photocatalysis treatment system according to claim 1, which is characterized in that the device for catalytic treatment includes tool
Have the first shell of air inlet, be contained in the intracorporal first jet of the first shell and with the first jet is spaced urges
Change light source, exhaust gas is entered by the air inlet, the first jet and the 4th pipeline connection, for spraying treatment fluid, institute
State in treatment fluid includes catalyst, the setting direction of the first jet and the direction of motion of gas on the contrary, the catalyst is
TiO2。
8. VOC photocatalysis treatment system according to claim 1, which is characterized in that the circulator includes having
The second shell of port, be contained in the intracorporal second nozzle of the second shell, the packing layer below the second nozzle with
And be located on the microwave device around described filler layer, treated, and gas is discharged by the gas outlet, the second nozzle with
The third pipeline connection, and the direction of the second nozzle is opposite with the direction of motion of gas.
9. VOC photocatalysis treatment system according to claim 8, which is characterized in that the circulator further includes fixing
It close to the demisting layer of described gas outlet one end and is fixed on the second shell in the second shell and is filled close to the precipitating
The mechanical shutter of one end is set, the second nozzle and institute's packing layer are between the demisting layer and the mechanical shutter.
10. VOC photocatalysis treatment system according to claim 8, which is characterized in that the quantity of described filler layer is three
A, three described filler layers are spaced apart from each other, and the quantity of the microwave device and the quantity of described filler layer match.
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