CN205323535U - A module actinic light catalytic unit for organic waste gas handles - Google Patents
A module actinic light catalytic unit for organic waste gas handles Download PDFInfo
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- CN205323535U CN205323535U CN201521036179.2U CN201521036179U CN205323535U CN 205323535 U CN205323535 U CN 205323535U CN 201521036179 U CN201521036179 U CN 201521036179U CN 205323535 U CN205323535 U CN 205323535U
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Abstract
The utility model discloses a module actinic light catalytic unit for organic waste gas handles, device be including the casing, and the one end of casing has air inlet, the other end of connecting the intake pipe and has a tracheal gas outlet of run -on, the fan module is connected to the blast pipe, in the casing by air inlet to gas outlet direction divide into in proper order preliminary treatment section, dominant reaction section with the aftertreatment section, in preliminary treatment section and the aftertreatment section all the setting module sprays, set up light catalytic module and ultraviolet lamp module piece in turn by preliminary treatment section to aftertreatment section direction in the dominant reaction section. The utility model discloses an among the processing apparatus, water sprays the pretreatment and has improved photocatalytic treatment efficiency, and photocatalytic treatment has improved the efficiency that water sprayed the aftertreatment, and aftertreatment workshop section adopts water to spray can further get rid of this type of material, and each stage combined action provides organic waste gas's purifying effect.
Description
Technical field
This utility model relates to a kind of organic waste gas treatment device and method, is specifically related to a kind of modular optical catalytic unit for VOCs treatment。
Background technology
Atmospheric pollution is one of the most prominent at present environmental problem of China, and industrial organic exhaust gas is the important sources of atmosphere pollution, is detrimental to health。In recent years, along with the development of society, material progress and growth in the living standard, the enhancing of environmental protection consciousness, the focus that environmental pollution that the discharge of industrial organic exhaust gas causes and the serious harm to health thereof increasingly become governments at all levels and the common people pay close attention to。
In recent years, photocatalysis technology is more and more noticeable in the development of industrial organic exhaust gas process field。Such as, the Chinese invention patent application document that publication number is CN104971619A discloses a kind of combination type photocatalysis organic waste-gas purification machine, belong to air cleaning facility technical field, include front-end pipelines linking shell, front end Rose Box successively, be connected shell by the integrated purifying body of multiple purifying box connection in series-parallel, rear end Rose Box, rear end pipeline；Being provided with screen plate in the Rose Box of front end, be provided with activated carbon filter layer in the Rose Box of rear end, purifying box is further equipped with electric box；Purifying box is cube structure, including a plurality of seamed edge, is positioned on described each seamed edge and is provided with activity connector, connects by activity connector is fixing between each purifying box；It is positioned on seamed edge and is additionally provided with elastic sealed body。
But, photocatalysis apparatus common at present still has many weak points, limits the application of this technology。The major defect of photocatalysis apparatus common at present has: individually adopt photocatalysis treatment, lacks pretreatment and post processing means；Device is not quick detachable, and assembly is difficult to change。
Such as, the Chinese utility model patent that Authorization Notice No. is CN204522751U discloses a kind of organic exhaust gas photocatalysis treatment device, including shell, the upper end of shell is gas outlet, lower end is air inlet, vertically-mounted in shell have many quartz burners and polylith photocatalyst plate, described quartz burner and the spaced arrangement of photocatalyst plate, the lower end of quartz burner and photocatalyst plate is arranged on bracing frame, above quartz burner and photocatalyst plate, distribution has many water pipes, described water pipe is provided with shower nozzle, described shower nozzle is hydroblasting photocatalyst plate down, described air inlet bridge piece, discharge outlet is had bottom bend pipe。
The Chinese utility model patent that Authorization Notice No. is CN204522749U discloses a kind of photochemical catalytic oxidation organic waste gas treatment device, including shell, the two ends air inlet of shell and gas outlet, multiple quartz burner and photocatalyst plate is had in shell, photocatalyst plate one end is fixing on a mounting board, the photocatalyst plate other end is opening, and photocatalyst plate has multiple passage；Having venthole on installing plate, have water distributing plate between the opening of air inlet and photocatalyst plate, water distributing plate is hollow structure, hollow space connects with water inlet, having multiple through hole on water distributing plate, on water distributing plate, also distribution has multiple fountain head, and fountain head connects with the hollow structure of water distributing plate；Outer casing bottom also has outlet。
Above two device all exists and individually adopts photocatalysis treatment, lacks pretreatment and post processing means and device is not quick detachable, assembly is difficult to the technical problems such as replacing。
Utility model content
This utility model provides a kind of modular optical catalytic unit for VOCs treatment, and high treating effect, assembly is easily changed, and system structure is reasonable。
A kind of modular optical catalytic unit for VOCs treatment, including housing, one end of described housing is with connecting the air inlet of air inlet pipe, the other end with the gas outlet connecting exhaustor, described exhaustor connecting fan module；In described housing by air inlet to direction, gas outlet be divided into pretreatment section, primary response section with post processing section, described pretreatment section and be respectively provided with spray module in post processing section；It is arranged alternately photocatalysis module and ultraviolet lamp module by pretreatment section to post processing section direction in described primary response section。
The catalyst of existing photocatalysis apparatus is coated on device inwall, and catalytic reaction concentrates on wall, and the waste gas that device central authorities pass through cannot be fully contacted catalyst surface。Compared to traditional photocatalysis apparatus, this utility model have employed the mode that uviol lamp is installed separately with photocatalysis assembly, wherein catalyst module is not limit by apparatus structure, the optional variety carrier such as honeycomb aluminum plate, nickel foam filter screen, the whole cross section of cladding system so that waste gas is more abundant with contacting of catalyst surface。
It addition, Water spray module is creatively integrated in device by this utility model, for pretreatment and post processing。Compared to filtering pretreatment, Water spray can not only remove particulate matter, it is also possible to removes water miscible Organic substance, improves waste gas humidity simultaneously, is conducive to subsequent optical catalytic treatment。
Preferably, described photocatalysis module and ultraviolet lamp module are all installed in described primary response section with drawer type。Main paragraph adopts photocatalysis module and the ultraviolet lamp module cross arrangement of drawer type, and assembly dismounting, replacing are extremely easy, on the one hand all kinds of organic exhaust gas of adjustable module adaptive, are conducive to operation maintenance on the other hand。
As preferably, described photocatalysis module includes:
The the first drawer type carrier being slidably matched with described primary response intrasegmental part；
It is placed in the honeycomb aluminum plate carrier on described first drawer type carrier, this honeycomb aluminum plate carrier surface loaded optic catalyst。
The optional honeycomb aluminum plate of catalyst module is carrier loaded nano-TiO2Catalyst, it is possible to select the other materials kinds as carrier, according to organic exhaust gas such as nickel foam to select other catalyst type according to treatment effect。
Catalyst module is fixed on can on the drawer module of unidirectional pull-out, for instance welding manner can be adopted to fix。
As preferably, described spray module includes:
It is arranged at some shower nozzles at described pretreatment section top；
It is arranged at the filler below described shower nozzle；
It is arranged at filler side and the mesh mist eliminator near main processing section。
It is further preferred that described shower nozzle is set to three, the spray angles of each shower nozzle is 120 degree, and single shower nozzle spray flux is about 1.5m3/ h；Filler is φ 47 plastic flower ring filler。
The outer water pump of shower nozzle, it is further preferred that for preventing organic exhaust gas from corroding, select FRP material vertical water pump, pump motor selects fire-proof motor；Mesh mist eliminator preferably employs drawer type stainless steel cloth block except mist, controls waste gas humidity。
Arranging in pretreatment section and in post processing section is identical。
As preferably, described ultraviolet lamp module includes:
The the second drawer type carrier being slidably matched with described primary response intrasegmental part；
It is installed on the some uviol lamps on described second drawer type carrier。
It is preferred that, uviol lamp fluorescent tube installation direction is parallel with gas flow。
It is further preferred that for guaranteeing lighting effect, facilitate commutator to install simultaneously, the spacing between adjacent uviol lamp is 150mm～200mm。
As preferably, described blower fan module includes:
Blower fan, the air inlet of this blower fan is connected with aiutage, gas outlet is connected with aiutage；
Aerofluxus thief hatch, is arranged on described aiutage；
Fan platform, is located at below described blower fan for supporting described blower fan。
This utility model carries out the method for VOCs treatment and comprises the steps:
(1) organic exhaust gas introduces in modular optical catalytic unit, first carries out spray pretreatment in pretreatment section；
(2) through spraying in pretreated waste gas entrance primary response section, sequentially pass through multistage ultraviolet catalytic and process；
(3) waste gas after ultraviolet catalytic process enters and carries out spray post processing in post processing section；
(4) the purification gas after spray post processing is discharged by exhaustor。
Preferably, described organic exhaust gas flow-control is at 800～1200m3/ h, in organic exhaust gas, organic contamination substrate concentration is 80～120mg/m3, pretreatment section and the spray flux in post processing section are 4～5m3/h。
It is further preferred that described organic exhaust gas controls at 1000m at exhaust gas flow3/ h, in organic exhaust gas, organic pollution is preferably toluene, and toluene concentration is 100mg/m3, pretreatment section and the spray flux in post processing section are 4.5m3/h。
Process device of the present utility model and technique can select the different catalyst of load according to the kind of organic exhaust gas, with conventional nano-TiO2Catalyst is main。Carrier material can be selected, based on honeycomb aluminum plate and nickel foam filter screen according to the air quantity of organic exhaust gas and catalyst type。
Water spray pre-treatment improves photocatalysis treatment efficiency, and photocatalysis treatment improves the efficiency of Water spray post processing, and treatment and finishing section adopts Water spray can remove such material, each stage combined effect, it is provided that the clean-up effect of organic exhaust gas further。Compared with prior art, the good effect of modular optical catalytic unit described in the utility model is as follows:
(1) light-catalysed main paragraph adopts photocatalysis module and the ultraviolet lamp module cross arrangement of drawer type, and assembly dismounting, replacing are extremely easy, on the one hand all kinds of organic exhaust gas of adjustable module adaptive, are conducive to operation maintenance on the other hand。Due to industrial organic exhaust gas complicated component, different pollutant physicochemical properties differ greatly, and it decomposes required energy also has very big-difference with the time。Therefore, in photocatalysis technology is applied, different catalyst, uviol lamp specification to be adopted to tackle different emission source from form。In the application of existing technology, generally only a kind of structure of design tackles all kinds of emission sources, the situation that treatment effeciency is low usually occurs。This utility model adopts after modularized design, it is possible to adjusts catalyst, the specification of uviol lamp and combining form at any time, according to exhaust-gas treatment effect, obtains being applicable to the design of all kinds of emission sources。The uviol lamp assembly of photocatalysis apparatus is easy loss component, and in photocatalysis apparatus use procedure, uviol lamp damage is the key factor that treatment effeciency declines。The day-to-day operation of VOCs treatment equipment can produce all kinds of product, stick to the surface of apparatus assembly, need periodic cleaning。This utility model adopts modularized design, uviol lamp and each assembly easy to clean and replacing, and operation maintenance is easy。
(2) adopt Water spray module as pre-treatment and aftertreatment technology, promote treatment effeciency。Big quantity research shows, the increase of humidity can improve Organic substance degradation efficiency in photocatalysis system, and its principle is in that the hydroxyl radical free radical (OH) that hydrone photodissociation produces has strong oxidizing property, is the key factor in photocatalysis system。This utility model adopts Water spray module as pre-treating technology, can remove the water-soluble substances in waste gas on the one hand, can suitably increase the humidity of waste gas on the other hand, improves photocatalysis efficiency。Light-catalyzed reaction occur after, partial organic substances permineralization is water and carbon dioxide, but still have large amount of organic cannot permineralization, be only be decomposed into small-molecule substance, it is necessary to process further。Part small organic molecule water solublity is better, and this utility model adopts Water spray module at treatment and finishing section, can remove such material further。
(2) Blower Housing and impeller are FRP material, and antiseptic property is good, it is adaptable to major part organic exhaust gas and Acid-base Gas process。
Accompanying drawing explanation
Fig. 1 is this utility model device front view。
Fig. 2 is this utility model spray module front view。
Fig. 3 is this utility model photocatalysis module front view。
Fig. 4 is this utility model ultraviolet lamp module front view。
Fig. 5 is this utility model blower fan module front view。
Accompanying drawing labelling shown in figure is as follows:
1-air inlet pipe 2-air inlet thief hatch 3-housing
4-sprays module 5-photocatalysis module 6-ultraviolet lamp module
7-exhaustor 8-blower fan module 9-support
41-shower nozzle 42-filler 43-mesh mist eliminator
44-water pump 51-honeycomb aluminum plate carrier 52-the first pulley slide bar
53-the first drawer type carrier 61-uviol lamp 62-ballast
63-the second pulley slide bar 64-the second drawer type carrier 81-aiutage
82-aerofluxus thief hatch 83-blower fan 84-fan platform。
Detailed description of the invention
As it is shown in figure 1, be the front view of this utility model apparatus structure schematic diagram, including support 9 and the reactor that is arranged on support 9, support 9 adopts flange beam stand。
Reactor includes housing 3, and housing 3 is horizontally arranged on support, and one end of housing 3 is with air inlet, air inlet connects air inlet pipe 1, and air inlet pipe 1 is provided with into thief hatch 2, and the other end of housing 3 is with gas outlet, gas outlet connects exhaustor 7, exhaustor 7 connecting fan module 8。
It is divided into pretreatment section, primary response section and post processing section from air inlet to direction, gas outlet in housing 3, spray module 4 it is respectively mounted in pretreatment section and post processing section, arrange photocatalysis module 5 and ultraviolet lamp module 6 in primary response section along gas flow interval, photocatalysis module and ultraviolet lamp module all adopt drawer type to be installed in primary response section。
The structural representation front view of spray module 4 is as in figure 2 it is shown, spray module includes: be arranged at some shower nozzles 41 at pretreatment section top；It is arranged at the filler 42 below shower nozzle；It is arranged at filler side and the mesh mist eliminator 43 near main processing section；Shower nozzle is connected with water pump 44 by pipeline。
In present embodiment, shower nozzle is set to three, and the spray angles of each shower nozzle is 120 degree, and single shower nozzle spray flux is about 1.5m3/ h；Filler is φ 47 plastic flower ring filler, and FRP material vertical water pump selected by water pump, and pump motor selects fire-proof motor；Mesh mist eliminator preferably employs drawer type stainless steel cloth block except mist, controls waste gas humidity。Arranging in pretreatment section and in post processing section is identical。
The front view of photocatalysis module is as it is shown on figure 3, include: the first drawer type carrier 53 being slidably matched with primary response intrasegmental part, and the first drawer type carrier 53 is connected by the first pulley slide bar 52 with primary response intrasegmental part；It is placed in the honeycomb aluminum plate carrier 52 on the first drawer type carrier 53, this honeycomb aluminum plate carrier surface loaded optic catalyst。
In present embodiment, catalyst module is with honeycomb aluminum plate for carrier, load nano-TiO2Catalyst, being welded on can on the drawer module of unidirectional pull-out。
As shown in Figure 4, including the second drawer type carrier 64 of being slidably matched with primary response intrasegmental part, the second drawer type carrier 64 is connected by the second pulley slide bar 63 front view of ultraviolet lamp module with primary response intrasegmental part；It is installed on the some uviol lamps 61 on the second drawer type carrier 64, each uviol lamp configuration ballast 62, all uviol lamp fluorescent tube installation directions are consistent with gas flow, namely the length direction of fluorescent tube extends along air-flow, for guaranteeing lighting effect, facilitating commutator to install, the spacing between adjacent uviol lamp is advisable with 150mm～200mm simultaneously。
The structural representation front view of blower fan module 8 is as it is shown in figure 5, include: fan platform 84；Being placed in the blower fan 83 on fan platform, the air inlet of this blower fan is connected with aiutage 7, gas outlet is connected with aiutage 81；Aiutage 81 arranges aerofluxus thief hatch 82。
Embodiment
Simulation typical industry toxic emission situation, preparation main polluted factors is the waste gas of toluene, and control exhaust gas flow is 1000m3/ h, toluene concentration is 100mg/m3Left and right。As set up photocatalysis apparatus shown in the drawings, device has 3 ultraviolet lamp modules, and each module is equipped with 5 uviol lamps；Uviol lamp is U-shaped lamp, length 810mm, power 150w, wavelength peak 254nm。2 photocatalysis modules, form photocatalysis main paragraph with ultraviolet lamp module。Being respectively mounted Water spray module before and after photocatalysis main paragraph, each module top is equipped with 3 shower nozzles, and spray flow is 4.5m3/ h。End is blower fan module, and fan delivery is 1000m3/ h, maximum wind pressure is 1500Pa, is equipped with converter regulating flow quantity。
During plant running, first turn on blower fan, detect fan delivery, regulate fan operation frequency simultaneously, fan delivery is regulated to 1000m3/ h。Open water pump and uviol lamp, after running 3 minutes, pass into the toluene waste gas of simulation。After stable, sample at the thief hatch of device leading portion and the thief hatch of aiutage simultaneously, adopt activated carbon adsorption pipe continuous sampling 15min。Toluene concentration in detection sample, method is activated carbon adsorption carbon disulfide desorption-gas chromatography。
Testing result shows, toluene waste gas is had good treatment effect by the photocatalysis apparatus in this embodiment, and treatment effeciency reaches about 75%～80%, and treatment effect is stable。
Above-described embodiment is the good embodiment of this utility model; but embodiment of the present utility model is not restricted to the described embodiments; other are any without departing from the change made under this utility model spirit and principle, modification, replacement, combination, simplification; all should be the substitute mode of equivalence, be included within protection domain of the present utility model。
Claims (7)
1., for a modular optical catalytic unit for VOCs treatment, including housing, one end of described housing is with connecting the air inlet of air inlet pipe, the other end with the gas outlet connecting exhaustor, described exhaustor connecting fan module；It is characterized in that, in described housing by air inlet to direction, gas outlet be divided into pretreatment section, primary response section with post processing section, described pretreatment section and be respectively provided with spray module in post processing section；It is arranged alternately photocatalysis module and ultraviolet lamp module by pretreatment section to post processing section direction in described primary response section。
2. according to claim 1 for the modular optical catalytic unit of VOCs treatment, it is characterised in that described photocatalysis module and ultraviolet lamp module are all installed in described primary response section with drawer type。
3. according to claim 1 for the modular optical catalytic unit of VOCs treatment, it is characterised in that described spray module includes:
It is arranged at some shower nozzles at described pretreatment section top；
It is arranged at the filler below described shower nozzle；
It is arranged at filler side and the mesh mist eliminator near main processing section。
4. according to claim 1 for the modular optical catalytic unit of VOCs treatment, it is characterised in that described photocatalysis module includes:
The the first drawer type carrier being slidably matched with described primary response intrasegmental part；
It is placed in the honeycomb aluminum plate carrier on described first drawer type carrier, this honeycomb aluminum plate carrier surface loaded optic catalyst。
5. according to claim 1 for the modular optical catalytic unit of VOCs treatment, it is characterised in that described ultraviolet lamp module includes:
The the second drawer type carrier being slidably matched with described primary response intrasegmental part；
It is installed on the some uviol lamps on described second drawer type carrier。
6. according to claim 5 for the modular optical catalytic unit of VOCs treatment, it is characterised in that uviol lamp fluorescent tube installation direction is parallel with gas flow。
7. according to claim 6 for the modular optical catalytic unit of VOCs treatment, it is characterised in that the spacing between adjacent uviol lamp is 150mm～200mm。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521036179.2U CN205323535U (en) | 2015-12-13 | 2015-12-13 | A module actinic light catalytic unit for organic waste gas handles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521036179.2U CN205323535U (en) | 2015-12-13 | 2015-12-13 | A module actinic light catalytic unit for organic waste gas handles |
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| CN205323535U true CN205323535U (en) | 2016-06-22 |
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| CN201521036179.2U Active CN205323535U (en) | 2015-12-13 | 2015-12-13 | A module actinic light catalytic unit for organic waste gas handles |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457487A (en) * | 2015-12-13 | 2016-04-06 | 浙江省环境保护科学设计研究院 | Modularized photocatalytic device for organic waste gas treatment and method |
| CN106492572A (en) * | 2016-11-07 | 2017-03-15 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of board-washing machine that waste gas can be purified |
| CN107088360A (en) * | 2017-05-15 | 2017-08-25 | 扬州天辉实验室装备环保工程有限公司 | A kind of special cleaning equipment for waste organic gas of laboratory hood pipeline |
| CN112546860A (en) * | 2020-12-29 | 2021-03-26 | 华夏碧水环保科技有限公司 | VOCs waste gas pretreatment device and pretreatment method |
-
2015
- 2015-12-13 CN CN201521036179.2U patent/CN205323535U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105457487A (en) * | 2015-12-13 | 2016-04-06 | 浙江省环境保护科学设计研究院 | Modularized photocatalytic device for organic waste gas treatment and method |
| CN106492572A (en) * | 2016-11-07 | 2017-03-15 | 无锡艾科瑞思产品设计与研究有限公司 | A kind of board-washing machine that waste gas can be purified |
| CN107088360A (en) * | 2017-05-15 | 2017-08-25 | 扬州天辉实验室装备环保工程有限公司 | A kind of special cleaning equipment for waste organic gas of laboratory hood pipeline |
| CN112546860A (en) * | 2020-12-29 | 2021-03-26 | 华夏碧水环保科技有限公司 | VOCs waste gas pretreatment device and pretreatment method |
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