CN108421411A - Distributed photocatalytic waste gas treatment device based on photoelectric conversion and its application method - Google Patents
Distributed photocatalytic waste gas treatment device based on photoelectric conversion and its application method Download PDFInfo
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- CN108421411A CN108421411A CN201810456278.8A CN201810456278A CN108421411A CN 108421411 A CN108421411 A CN 108421411A CN 201810456278 A CN201810456278 A CN 201810456278A CN 108421411 A CN108421411 A CN 108421411A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8678—Removing components of undefined structure
- B01D53/8687—Organic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8603—Removing sulfur compounds
- B01D53/8606—Removing sulfur compounds only one sulfur compound other than sulfur oxides or hydrogen sulfide
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/864—Removing carbon monoxide or hydrocarbons
-
- 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
- B01D53/8668—Removing organic compounds not provided for in B01D53/8603 - B01D53/8665
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- 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
Abstract
The invention discloses a kind of distributed photocatalytic waste gas treatment device and its application method based on photoelectric conversion integrates the auxiliary devices such as route controller, distributed photo catalysis reactor, technological parameter monitoring.Input organic exhaust gas is being accurately controlled by PLC；The ultraviolet source that one of photocatalysis core apparatus is converted into using solar photoelectric is powered, and reactor operational process energy consumption is reduced；Arrange that the auxiliary devices such as temperature control, leak detection improve VOCs treatment process safety.The problems such as energy, luminous energy effective rate of utilization is low, control accuracy is limited, operating cost is high, and corporate boss is difficult to receive need to be additionally provided by solving traditional photo catalysis reactor.The photocatalytic degradation organic exhaust gas device that the present invention designs, traditional power supply mode is changed into solar powered, and equally distributed reaction tube significantly improves UV energy utilization ratio, and organic pollutant degradation efficiency greatly improves.
Description
Technical field
The present invention relates to environmental pollution improvement's apparatus field, specially a kind of distributed photocatalysis based on photoelectric conversion is useless
Flash Gas Compression Skid System and its application method.
Technical background
As industrialization, urbanization process quickly propel, air pollution is on the rise, serious danger is brought to health
Evil.Caused by what wherein industrial production discharged contains organic (volatile organic compounds, the VOCs) exhaust gas of volatility
Problem of environmental pollution getting worse.VOCs can lead to photochemical fog, while be also to generate PM2.5Main predecessor.It is stone
In change, application, printing, electronic manufacture, shoemaking, communications and transportation and all kinds of chemical process exhaust gas discharge main pollution because
Son.For generated in above-mentioned industry high concentration (>2000mg·m-3) exhaust gas containing VOCs, preferably use absorption, condensation etc. to recycle skill
Art is recycled.For in, low concentration (<1000mg·m-3) gas containing VOCs is degraded is preferable governance approach.
Common VOCs degradation techniques have burning, photocatalysis, bioanalysis, plasma technique etc..Incineration technology include catalysis burning and
High temperature incineration device.Foreign countries mostly use Adsorption Concentration+heat-storage catalytic burning (RCO) technology, and purification efficiency is high, stable, but
Cost of equipment is higher.Plasma technique degradation organic waste gas, equipment is simple, and management is convenient, but is also easy to produce secondary pollution, to mesh
Mark the halfway drawback of contaminant degradation.
Photocatalyst is to be inspired light induced electron as the semi-conducting material of photochemical catalyst, utilizes catalyst
Photocatalytic activity, oxidation-adsorption catalyst surface target contaminant, to realize the degradation of VOCs.Common photochemical catalyst master
There are metal oxide and metal sulfide, such as TiO2、Fe2O3With PbS etc..Due to TiO2With higher catalytic activity, and valence
It is honest and clean nontoxic, so TiO2It is one of current most common photochemical catalyst.Photocatalysis technology is particularly suitable for processing low concentration, Wind Volume
Gas can solve secondary pollution, catabolite existing for existing VOCs treatment technology under the premise of ensureing purification efficiency
The problems such as being not thorough, thus the technique be considered as great development prospect in Organic Waste Gas Pollution control field new and high technology it
One.
In addition, one of the core of photocatalysis technology is reactor, VOCs treatment efficiency and Party A will be directly affected
Acceptance level of the enterprise to the technology.Current photocatalysis organic waste gas treatment device exists：1. operating cost is expensive, 2. light
The shortcomings of energy utilization ratio is low, and 3. security performance waits improving, and 4. reaction controlling precision is limited, cannot be satisfied current experiment room and reality
VOCs treatment demand in the engineering of border.Therefore, it develops and designs one kind and reacting control under the premise of efficient degradation organic exhaust gas
The photocatalytic reaction device that precision processed is high, operating cost is low, optical energy utilization efficiency is high has important practical significance.
Invention content
To overcome the shortcomings of that the present invention provides one kind to be based in background technology in existing photocatalytic reaction device and technology
Efficiently photoelectric conversion is realized using solar energy, what automatic and accurate controlled charge flow rate can efficient degradation volatile organic contaminant
Distributed photocatalytic waste gas treatment device and its application method, to realize the purpose for reducing photocatalysis technology operating cost.
The present invention provides the following technical solutions：
A kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion, including route controller and gas circuit control
The distributed photo catalysis reactor of device processed connection, connect with distributed photo catalysis reactor be used for technological parameter monitor it is auxiliary
Help device；The distributed photo catalysis reactor includes the reactor shell that bottom is equipped with chuck equipped with fixing bracket, inside,
The solar energy photovoltaic panel of reactor shell outer wrapping, the crystal reaction tube of reactor shell inside six roots of sensation circle distribution, setting exist
The ultraviolet source that distributed photo catalysis reactor center is connected with solar energy photovoltaic panel, the electric power storage being connected with solar energy photovoltaic panel
Pond, the emergent AC power interface being connected with ultraviolet source；
The route controller includes the three-way magnetic valve controlled by PLC and the gas that is connect with three-way magnetic valve
Mass flowmenter, for accurately controlling the pending gas flow into distributed photo catalysis reactor, gas mass flow gauge
With 1. number crystal reaction tube is suitable for reading is connected；
The distributed photo catalysis reactor is in cylindrical type, and reactor shell lower part is equipped with fixing bracket, reactor enclosure
Body is internally provided with cylindrical type chuck partition board, and top, the lower part of reactor shell outer wall are correspondingly provided with water inlet pipe, water outlet respectively
Pipe, can be passed through cooling circulating water between reactor shell and chuck partition board, to be crystal reaction tube and solar energy photovoltaic panel
Cooling；Reactor shell interior finishing reflectorized material, in favor of the raising of sun light utilization ratio.
Scheme as priority：The six roots of sensation reaction tube of the reactor shell and its inside is quartz material.
Scheme as priority：A circular hole is arranged in the reactor shell top center, for being packed into ultraviolet source, week
Six circular holes of circle distribution are enclosed, for fixing crystal reaction tube；The reactor shell bottom is uniformly distributed six circular holes, with top
Six, portion circular hole is corresponding, for fixing crystal reaction tube.
Scheme as priority：The solar energy photovoltaic panel is adhered to reactor shell outer wall, while solar energy photovoltaic panel
It is connected with accumulator, to store the extra electric energy of photoelectric conversion process generation；Accumulator is connected simultaneously with PLC, and there are AC powers
Interface, when accumulator causes accumulator electric-quantity to be less than 20% because of solar powered deficiency factor, then it is it to start AC power
Electricity is supplemented, is then automatically powered off when charging reaches 50% electricity.
Scheme as priority：Ultraviolet source is to use 20-25W ultraviolet lamps, and 20-25W ultraviolet lamps are as light source for providing
Ultraviolet light, the ultraviolet lamp being connected with accumulator are put into upper cover plate central circular hole, so that photochemical catalyst is equal in all crystal reaction tubes
Acceptable illumination.
Scheme as priority：Organic exhaust gas is entered by route controller in reaction tube；It can be filled out in six roots of sensation reaction tube
Dress or coating different type catalyst, reaction tube can utilize silicone tube to require to use for different type exhaust gas and treatment process
And it is connected in series with mode, equally distributed reaction tube can realize efficiently using for UV energy.
Scheme as priority：The auxiliary device includes digit time controller, intelligent digital temperature controller, pressure drop sensor
With poisonous gas leakage alarm；Above-mentioned auxiliary device is connected by circuit with PLC, and real-time record related data simultaneously can be in PC
End display.
Scheme as priority：Based on a kind of making for above-mentioned distributed photocatalytic waste gas treatment device based on photoelectric conversion
With method, include the following steps：
A. according to the demand of distributed photo catalysis reactor, distributed photo catalysis reactor is placed under sunlight, by adding
Different type catalyst is carried, so as to handle the exhaust gas containing VOCs of various concentration；
B. gas mass flow gauge is opened, gas source and flow amount size is accurately controlled；Air source is accessed, gas passes through three by pipeline
Three-way electromagnetic valve enters mass flowmenter；It is counted according to mass flow and gas circuit control unit is adjusted by PLC, automatically control gas
Into light-catalyzed reaction pipe；
C. the catalyst of preparation is dosed or is coated in each reaction tube by the way that each crystal reaction tube is suitable for reading, dose filler height
Degree is about reaction tube height 2/3；
D. distributed photo catalysis reactor photoelectric conversion part is assembled, polycrystalline silicon solar photovoltaic panel is adhered to reactor
Housing exterior walls, while solar energy photovoltaic panel is connected with accumulator, accumulator is connect with ultraviolet lamp tube simultaneously；
E. distributed photo catalysis reactor pipeline is assembled, 6 reaction tubes are sequentially placed into round fixed sleeving, are compiled respectively
Number for 1. -6., 1. number reaction tube it is suitable for reading be organic exhaust gas air inlet, successively with silicone tube by 6 reaction tubes carries out it is U-shaped connect or
Combination is in parallel；According to the setting of reaction tube combination, 6. number reaction tube is suitable for reading or lower mouth is waste gas outlet after degradation；Reactor enclosure
Top, the lower part of external wall are correspondingly provided with water inlet pipe, outlet pipe respectively, can be passed through cooling circulating water in reactor shell and chuck
Between partition board, reactor shell interior finishing reflectorized material；
F. auxiliary device may be contained within reaction tube road；The auxiliary device includes digit time controller, intelligent digital temperature
Control device, pressure drop sensor and poisonous gas leakage alarm；Above-mentioned auxiliary device is connected by circuit with PLC, is recorded in real time
Related data can simultaneously be shown in the ends PC；Digit time controller is used for the beginning and ending time of initialization system operation and feeds back to PLC, then
PLC can be in the keying of corresponding time control three-way magnetic valve and accumulator；When PLC is collected into the monitoring reaction of intelligent digital temperature controller
When temperature data is more than setting value in pipe, then feeding back accumulator reduces ultraviolet lamp output current, and records related data and be shown in
The ends PC；When PLC be collected into pressure drop sensor monitoring reaction tube in pressure drop data be more than setting value when, then back three way solenoid valve and
Gas mass flow gauge is reduced temporarily enters reaction tube flow, and records related data and be shown in the ends PC；Work as poisonous gas leakage
When alarm monitors that poisonous and harmful substance concentration is more than setting value in present apparatus ambient air, automatic alarm is simultaneously fed back
PLC record related datas are shown in the ends PC.
Scheme as priority：VOCs concentration is no more than 1000mgNm in the pilot-plant inlet exhaust-3；Described
Pressure drop is no more than 1000Pa in distributed photo catalysis reactor；VOCs treatment maximum quantity of wind 300Lh-1；Reaction temperature item
Part is 30-35 DEG C.
Compared with prior art, the beneficial effects of the invention are as follows：
Apparatus of the present invention collection gas precise control of flew, photoelectricity Efficient Conversion, waste gas reaction be uniformly distributed, temperature, the time
It is controlled in one, has energy-saving, the clear superiorities such as operating cost, precision are high, security performance is excellent is reduced, solves tradition
Photo catalysis reactor need to be additionally provided that energy, luminous energy effective rate of utilization is low, control accuracy is limited, operating cost is high, and corporate boss is difficult
The problems such as to receive.Generally speaking, photo catalysis reactor provided by the present invention has energy-saving, reduces operating cost, peace
The advantages such as full performance height, can meet laboratory and enterprise's VOCs treatment demand, meet domestic main industries VOCs controls
Related request.
Description of the drawings
Fig. 1 is the single unit system schematic diagram of the present invention；
Fig. 2 is partial devices vertical view in Fig. 1；
Attached drawing is labeled as：PLC (1), three-way magnetic valve (2), gas mass flow gauge (3), 1. number crystal reaction tube is suitable for reading
(4), fixing bracket (5), chuck partition board (6), water inlet pipe (7), outlet pipe (8), reflectorized material (9), reaction tube (10), ultraviolet
Fluorescent tube (11), solar energy photovoltaic panel (12), accumulator (13), AC power interface (14), catalyst (15), digit time control
Device (16), intelligent digital temperature controller (17), pressure drop sensor (18), poisonous gas leakage alarm (19), PC (20), 6. number
Reaction tube (21) suitable for reading, 6. mouth (22) under number reaction tube.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment, the present invention will be further described：
The cellular construction of whole system and connection need to describe again one time, in conjunction with attached drawing 1~2.
A kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion, application method include the following steps：
A. according to the demand of distributed photo catalysis reactor, distributed photo catalysis reactor is placed under sunlight, by adding
Different type catalyst 15 is carried, so as to handle the exhaust gas containing VOCs of various concentration；
B. gas mass flow gauge 3 is opened, gas source and flow amount size is accurately controlled；Air source is accessed, gas is passed through by pipeline
Three-way magnetic valve 2 enters mass flowmenter 3；Gas circuit control unit is adjusted by PLC1 according to 3 data of mass flowmenter, it is automatic to control
Gas processed enters light-catalyzed reaction pipe 10；
C. the catalyst of preparation 15 is dosed or is coated in each reaction tube 10 by the way that each crystal reaction tube 10 is suitable for reading, dosed
Packed height is about 10 height 2/3 of reaction tube；
D. distributed photo catalysis reactor photoelectric conversion part is assembled, polycrystalline silicon solar photovoltaic panel 12 is adhered to reaction
Device housing exterior walls, while solar energy photovoltaic panel 12 is connected with accumulator 13, accumulator 13 is connect with ultraviolet lamp tube 11 simultaneously；
E. distributed photo catalysis reactor pipeline is assembled, 6 reaction tubes 10 are sequentially placed into round fixed sleeving, respectively
Number be 1. -6., 1. number reaction tube suitable for reading 4 be organic exhaust gas air inlet, 6 reaction tubes 10 are carried out with silicone tube successively U-shaped
Series connection or combination are in parallel；According to the setting of 10 combination of reaction tube, 6. suitable for reading 21 or lower mouth 22 of number reaction tube is that exhaust gas goes out after degrading
Mouthful；Top, the lower part of reactor shell outer wall are correspondingly provided with water inlet pipe 7, outlet pipe 8 respectively, can be passed through cooling circulating water in anti-
It answers between device shell and chuck partition board 6, reactor shell interior finishing reflectorized material 9；
F. auxiliary device may be contained within reaction tube road；The auxiliary device includes digit time controller 16, intelligent digital
Temperature controller 17, pressure drop sensor 18 and poisonous gas leakage alarm 19；Above-mentioned auxiliary device is connected by circuit with PLC1,
Related data is recorded in real time and can be shown in the ends PC20；Digit time controller 16 is used for the beginning and ending time of initialization system operation simultaneously
PLC1 is fed back to, then PLC1 can be in the keying of corresponding time control three-way magnetic valve 2 and accumulator 13；When PLC1 is collected into intelligence
When temperature data is more than setting value in the monitoring reaction tube 10 of digital temperature controller 17, then feeding back accumulator 13 reduces the output of ultraviolet lamp 11
Electric current, and record related data and be shown in the ends PC20；Number of pressure drops in reaction tube 10 is monitored when PLC1 is collected into pressure drop sensor 18
When according to more than setting value, then back three way solenoid valve 2 and gaseous mass flowmeter 3 are reduced temporarily enters 10 flow of reaction tube, and
Record related data is shown in the ends PC20；When poisonous gas leakage alarm 19 monitor it is toxic in present apparatus ambient air
Concentration of narmful substance be more than setting value when, automatic alarm and feed back PLC1 record related data be shown in the ends PC20.
Key reaction in photocatalysis organic waste gas treatment device to be evaluated is：
VOCs concentration is no more than 1000mgNm in inlet exhaust in the step b distribution photo catalysis reactors-3；
Pressure drop is no more than 1000Pa in the distributed photo catalysis reactor；
VOCs treatment maximum quantity of wind 300Lh-1。
Reaction temperature condition is 30-35 DEG C.
A kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion, design and production method include following step
Suddenly：
This photocatalytic reaction device is by gas control unit, quartzy fixed sleeving, crystal reaction tube 10, photoelectric conversion system
It is formed with five part of auxiliary device.Filling or coating photocatalyst 15 in crystal reaction tube 10, organic exhaust gas passes therethrough.Quartz
Fixed sleeving is for encapsulating crystal reaction tube 10, and wherein internal surface of sleeve pipe sandwich establishment is used for cooling water circulation, and outer wall adheres to polycrystalline
Solar power silicon photovoltaic panel 12.
Gas control unit is by three-way magnetic valve 2 and its is followed by gas mass flow gauge 3 and forms, gas mass flow gauge 3
(range 0-5Lmin-1) be connected with 1. number reaction tube suitable for reading 4, three-way magnetic valve 2 and gaseous mass flowmeter 3 are controlled by PLC1
System.
Quartzy fixed sleeving includes tube body and holder two parts.The high 370mm of tube body, the high 100mm of bottom bracket.Tube body is double
Cylindrical casing, outer layer outside diameter d=150mm, internal diameter d=120mm, outer layer wall thickness d=3mm, centre are chuck, thickness of interlayer d=
24mm cools down to reactor and photovoltaic panel 12 for cooling water circulation.Housing exterior walls upper and lower part is respectively equipped with 7 He of water inlet pipe
Outlet pipe 8.Cover inner tube layer interior finishing reflectorized material 9.Internal layer quartz fixed sleeving bottom and top correspond to uniform pore openings, trepanning
Number is 6, aperture d=12mm.Hole at center of top part thereof, trepanning number 1, aperture d=44mm, for placing 11 light of ultraviolet lamp
Source.
10 tube body of crystal reaction tube long 325mm, wall thickness 2mm.The both ends long 20mm of plastic hose interface, interface bore d=
8mm, 10 overall length 365mm of crystal reaction tube.6 reaction tubes 10 are sequentially placed into round fixed sleeving, respectively number be 1.-
6. 1. number reaction tube suitable for reading 4 is organic exhaust gas air inlet, 6 reaction tubes 10 are subjected to U-shaped series connection or combination with silicone tube successively
Parallel connection, 6. mouth 22 is waste gas outlet after degradation under number reaction tube.
20W solar energy photovoltaic panels 12 are adhered to reactor shell outer wall, while solar energy photovoltaic panel in photoelectric conversion system
12 are connected with 12V accumulators 13, and to store the extra electric energy of photoelectric conversion process generation, 20-25W ultraviolet lamps 11 are used as light source
For providing ultraviolet light, the ultraviolet lamp 11 being connected with 12V accumulators 13 is put into upper cover plate central circular hole, so as to all quartz reactions
The acceptable illumination of photochemical catalyst 15 in pipe 10.There are AC power interfaces 14 simultaneously for 12V accumulators 13, objective to prevent weather etc.
Factor does not also influence reactor normal work when solar energy being caused to convert electric energy deficiency.
Digit time controller 16 and poisonous gas leakage alarm 19 are arranged in fixed sleeving, intelligent number in auxiliary device
Word temperature controller 17 and pressure drop sensor 18 are respectively arranged in 1. number and 6. number reaction tube, data record analysis in terminal PC 20, with
Monitor present apparatus operating status in real time.
2. the distributed photocatalytic waste gas treatment device installation and debugging based on photoelectric conversion
(a) photochemical catalyst 15 is loaded into reaction tube 10；
(b) photo catalysis reactor is connected with air source；
(c) related differential manometer probe, the auxiliary devices such as temp probe are connected；
(d) seal tightness test checks photo catalysis reactor gas leakage situation in wider range of operating parameters；
(e) start photoelectric conversion system；
(f) relevant parameter variation in photocatalytic waste gas treatment device is debugged, optimal operating condition is reached.
3. dynamic tail gas clean-up is handled
Embodiment 1
Reactor is that will contain 412mgNm respectively under normal temperature condition-3And 550mgNm-3Dimethylbenzene and ethyl acetate
Hybrid analog-digital simulation exhaust gas 200Lh-1It is passed through in the distributed photo catalysis reactor of built-in catalyst 15, runs 5h, detection has purified
Tail gas, result is：Dimethylbenzene and ethyl acetate removal efficiency are respectively 78.4% and 90.7%.
Embodiment 2
Reactor is that mean temperature is contained 241mgNm for 20 DEG C under normal temperature condition-3Methyl mercaptan simulated exhaust 60Lh-1
It is passed through in the distributed photo catalysis reactor of built-in catalyst 15, runs 3h, detect reactor outlet tail gas, result is：First sulphur
Alcohol removal efficiency is 78.4%.
Embodiment 3
Reactor is that mean temperature is contained 488mgNm for 20 DEG C under normal temperature condition-3Dimethylbenzene simulated exhaust 120Lh-1It is passed through in the distributed photo catalysis reactor of built-in catalyst 15, runs 3h, detect reactor outlet tail gas, result is：Diformazan
Benzene removal efficiency is 86.9%.
Gas circuit is controlled and is filled by a kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion provided by the present invention
Set, the auxiliary devices such as distributed photo catalysis reactor, technological parameter monitoring are integrated, to realize through PLC1 to input
Organic exhaust gas is accurately controlled；The ultraviolet source that one of photocatalysis core apparatus is converted into using solar photoelectric is powered, drop
Low reactor operational process energy consumption；Equally distributed reaction tube 10 realizes efficiently using for UV energy；Arrange temperature control, leakage
The auxiliary devices such as detection improve VOCs treatment process safety etc..Generally speaking, light provided by the present invention facilitates reaction
Utensil has energy-saving, reduces operating cost, the advantages such as security performance height, can meet a variety of different types of experiments and engineering need
It asks.
The above case study on implementation is merely to illustrate the preferred embodiment of the present invention, but the present invention is not limited to above-mentioned embodiment party
Formula, the field those of ordinary skill within the scope of knowledge, within the spirit and principles in the present invention made by it is any
Modification, equivalent substitute and improvement etc., are regarded as the protection domain of the application.
Claims (9)
1. a kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion, which is characterized in that including route controller,
The distributed photo catalysis reactor that is connect with route controller, connect with distributed photo catalysis reactor for technological parameter
The auxiliary device of monitoring；The distributed photo catalysis reactor includes that bottom is equipped with chuck equipped with fixing bracket (5), inside
Reactor shell, the solar energy photovoltaic panel (12) of reactor shell outer wrapping, the stone of reactor shell inside six roots of sensation circle distribution
The ultraviolet source being connected with solar energy photovoltaic panel (12) at distributed photo catalysis reactor center is arranged in English reaction tube (10)
(11), the accumulator (13) being connected with solar energy photovoltaic panel (12), the emergent AC power interface being connected with ultraviolet source (11)
(14)；
The route controller includes the three-way magnetic valve (2) controlled by PLC (1) and is connect with three-way magnetic valve (2)
Gas mass flow gauge (3), for accurately controlling the pending gas flow into distributed photo catalysis reactor, gas matter
Amount flowmeter (3) is connected with 1. number crystal reaction tube (4) suitable for reading；
The distributed photo catalysis reactor is in cylindrical type, and reactor shell lower part is equipped with fixing bracket (5), reactor shell
It is internally provided with cylindrical type chuck partition board (6), top, the lower part of reactor shell outer wall are correspondingly provided with water inlet pipe (7), go out respectively
Water pipe (8) can be passed through cooling circulating water between reactor shell and chuck partition board (6), to for crystal reaction tube (10) and
Solar energy photovoltaic panel (12) cools down；Reactor shell interior finishing reflectorized material (9), in favor of carrying for sun light utilization ratio
It is high.
2. a kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion according to claim 1, feature exist
In the six roots of sensation reaction tube (10) of the reactor shell and its inside is quartz material.
3. a kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion according to claim 1, feature exist
In a circular hole is arranged in the reactor shell top center, for being packed into ultraviolet source (11), surrounding circle distribution six
Circular hole, for fixing crystal reaction tube (10)；The reactor shell bottom is uniformly distributed six circular holes, with six, top circular hole
It is corresponding, for fixing crystal reaction tube (10).
4. a kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion according to claim 1, feature exist
In the solar energy photovoltaic panel (12) is adhered to reactor shell outer wall, while solar energy photovoltaic panel (12) and accumulator
(13) it is connected, to store the extra electric energy of photoelectric conversion process generation；Accumulator (13) is connected simultaneously with PLC (1), and there are exchange
Power interface (14), when accumulator (13) causes accumulator (13) electricity to be less than 20% because of solar powered deficiency factor, then
Start AC power and supplement electricity for it, is then automatically powered off when charging reaches 50% electricity.
5. a kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion according to claim 1, feature exist
In ultraviolet source (11) is to use 20-25W ultraviolet lamps, and 20-25W ultraviolet lamps are used to provide ultraviolet light as light source, with accumulator
(13) connected ultraviolet lamp (11) is put into upper cover plate central circular hole, so that photochemical catalyst (15) is equal in all crystal reaction tubes (10)
Acceptable illumination.
6. a kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion according to claim 1, feature exist
In organic exhaust gas is entered by route controller in reaction tube (10)；Six roots of sensation reaction tube can be loaded or be coated with not in (10)
Same type catalyst (15), reaction tube (10) using silicone tube for different type exhaust gas and treatment process require using simultaneously,
It is connected in series with mode, efficiently using for UV energy can be achieved in equally distributed reaction tube (10).
7. a kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion according to claim 1, feature exist
In the auxiliary device includes digit time controller (16), intelligent digital temperature controller (17), pressure drop sensor (18) and is harmful to
Leaking gases alarm (19)；Above-mentioned auxiliary device is connected by circuit with PLC (1), records related data in real time and can be in
The display of the ends PC (20).
8. based on a kind of distributed photocatalysis exhaust gas based on photoelectric conversion described in any one of the claims 1~7
The application method of processing unit, which is characterized in that include the following steps：
A. according to the demand of distributed photo catalysis reactor, distributed photo catalysis reactor is placed under sunlight, by loading not
Same type catalyst (15), so as to handle the exhaust gas containing VOCs of various concentration；
B. gas mass flow gauge (3) is opened, gas source and flow amount size is accurately controlled；Air source is accessed, gas passes through three by pipeline
Three-way electromagnetic valve (2) enters mass flowmenter (3)；Gas circuit control unit is adjusted by PLC (1) according to mass flowmenter (3) data,
It automatically controls gas and enters light-catalyzed reaction pipe (10)；
C. the catalyst of preparation (15) is dosed or is coated in each reaction tube (10) by the way that each crystal reaction tube (10) is suitable for reading, filled out
Filled height is about reaction tube (10) height 2/3；
D. distributed photo catalysis reactor photoelectric conversion part is assembled, polycrystalline silicon solar photovoltaic panel (12) is adhered to reactor
Housing exterior walls, while solar energy photovoltaic panel (12) is connected with accumulator (13), accumulator (13) and meanwhile with ultraviolet lamp tube (11) even
It connects；
E. distributed photo catalysis reactor pipeline is assembled, 6 reaction tubes (10) are sequentially placed into round fixed sleeving, are compiled respectively
Number for 1. -6., 1. number reaction tube (4) suitable for reading be organic exhaust gas air inlet, 6 reaction tubes (10) are subjected to U with silicone tube successively
Type is connected or combination is in parallel；According to the setting of reaction tube (10) combination, 6. number reaction tube (21) suitable for reading or lower mouth (22) are degradation
Waste gas outlet afterwards；Top, the lower part of reactor shell outer wall are correspondingly provided with water inlet pipe (7), outlet pipe (8) respectively, can be passed through cold
But recirculated water is between reactor shell and chuck partition board (6), reactor shell interior finishing reflectorized material (9)；
F. auxiliary device may be contained within reaction tube road；The auxiliary device includes digit time controller (16), intelligent digital temperature
Control device (17), pressure drop sensor (18) and poisonous gas leakage alarm (19)；Above-mentioned auxiliary device passes through circuit and PLC
(1) it is connected, record related data in real time and display can be held in PC (20)；Digit time controller (16) is run for initialization system
Beginning and ending time and feed back to PLC (1), then PLC (1) can be in corresponding time control three-way magnetic valve (2) and accumulator (13)
It opens and closes；When PLC (1) is collected into temperature data is more than setting value in intelligent digital temperature controller (17) monitoring reaction tube (10) when, then
Feeding back accumulator (13) reduces ultraviolet lamp (11) output current, and records related data and be shown in the ends PC (20)；When PLC (1) is received
When collecting that pressure drop data is more than setting value in pressure drop sensor (18) monitoring reaction tube (10), then back three way solenoid valve (2) and
Gas mass flow gauge (3) is reduced temporarily enters reaction tube (10) flow, and records related data and be shown in the ends PC (20)；When having
When evil leaking gases alarm (19) monitors that poisonous and harmful substance concentration is more than setting value in present apparatus ambient air, from
It moves alarm and feeds back PLC (1) record related datas and be shown in the ends PC (20).
9. a kind of user of distributed photocatalytic waste gas treatment device based on photoelectric conversion according to claim 8
Method, which is characterized in that VOCs concentration is no more than 1000mgNm in the exhaust gas-3；The distributed photo catalysis reactor
Middle pressure drop is no more than 1000Pa；VOCs treatment maximum quantity of wind 300Lh-1；Reaction temperature condition is 30-35 DEG C.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176374A (en) * | 2021-04-26 | 2021-07-27 | 四川大学 | Photocatalytic denitration test system and use method thereof |
| CN113391653A (en) * | 2021-05-30 | 2021-09-14 | 合肥工业大学 | Distributed multifunctional gas mass flow controller based on single chip microcomputer |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2268469A1 (en) * | 1998-04-10 | 1999-10-10 | University Of Central Florida | Apparatus and method for photocatalytic and thermocatalytic pollution control |
| JP2002018240A (en) * | 2000-07-06 | 2002-01-22 | Hitachi Plant Eng & Constr Co Ltd | Method and apparatus for treatment for rendering hazardous organic substance harmless |
| JP2006326537A (en) * | 2005-05-27 | 2006-12-07 | Nippon Muki Co Ltd | Filter material for air filter, and air filter |
| CA2574005A1 (en) * | 2007-01-16 | 2008-07-16 | Universidad Catolica De La Santisima Concepcion | Photocatalytic reactor with a modular configuration, based on uv light sources and a catalyst, and process for purifying and disinfecting wastewater from confined aquaculture, using advanced oxidation processes |
| CN101516770A (en) * | 2006-05-19 | 2009-08-26 | 约瑟夫·卡勒瑞 | Configurations for chlorine dioxide production |
| CN101773767A (en) * | 2010-02-08 | 2010-07-14 | 西北大学 | Internal circulation closed type CO2 film photocatalytic reduction reaction device and reduction method thereof |
| CN103230616A (en) * | 2013-04-25 | 2013-08-07 | 上海电力学院 | All-weather photocatalytic air purification system |
| US20180009661A1 (en) * | 2015-02-19 | 2018-01-11 | Sawafuji Electric Co., Ltd. | Energy Storage Transportation Method and Energy Carrier System |
| CN206950990U (en) * | 2017-07-05 | 2018-02-02 | 北京华钛高科科技有限公司 | A kind of photo catalysis reactor and equipment for treating industrial waste gas |
| CN208553746U (en) * | 2018-05-14 | 2019-03-01 | 郑州轻工业学院 | A kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion |
-
2018
- 2018-05-14 CN CN201810456278.8A patent/CN108421411A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2268469A1 (en) * | 1998-04-10 | 1999-10-10 | University Of Central Florida | Apparatus and method for photocatalytic and thermocatalytic pollution control |
| JP2002018240A (en) * | 2000-07-06 | 2002-01-22 | Hitachi Plant Eng & Constr Co Ltd | Method and apparatus for treatment for rendering hazardous organic substance harmless |
| JP2006326537A (en) * | 2005-05-27 | 2006-12-07 | Nippon Muki Co Ltd | Filter material for air filter, and air filter |
| CN101516770A (en) * | 2006-05-19 | 2009-08-26 | 约瑟夫·卡勒瑞 | Configurations for chlorine dioxide production |
| CA2574005A1 (en) * | 2007-01-16 | 2008-07-16 | Universidad Catolica De La Santisima Concepcion | Photocatalytic reactor with a modular configuration, based on uv light sources and a catalyst, and process for purifying and disinfecting wastewater from confined aquaculture, using advanced oxidation processes |
| CN101773767A (en) * | 2010-02-08 | 2010-07-14 | 西北大学 | Internal circulation closed type CO2 film photocatalytic reduction reaction device and reduction method thereof |
| CN103230616A (en) * | 2013-04-25 | 2013-08-07 | 上海电力学院 | All-weather photocatalytic air purification system |
| US20180009661A1 (en) * | 2015-02-19 | 2018-01-11 | Sawafuji Electric Co., Ltd. | Energy Storage Transportation Method and Energy Carrier System |
| CN206950990U (en) * | 2017-07-05 | 2018-02-02 | 北京华钛高科科技有限公司 | A kind of photo catalysis reactor and equipment for treating industrial waste gas |
| CN208553746U (en) * | 2018-05-14 | 2019-03-01 | 郑州轻工业学院 | A kind of distributed photocatalytic waste gas treatment device based on photoelectric conversion |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176374A (en) * | 2021-04-26 | 2021-07-27 | 四川大学 | Photocatalytic denitration test system and use method thereof |
| CN113391653A (en) * | 2021-05-30 | 2021-09-14 | 合肥工业大学 | Distributed multifunctional gas mass flow controller based on single chip microcomputer |
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