CN101456605A - Organic wastewater advanced treatment apparatus by LED nano photocatalysis - Google Patents
Organic wastewater advanced treatment apparatus by LED nano photocatalysis Download PDFInfo
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- CN101456605A CN101456605A CNA2008102428704A CN200810242870A CN101456605A CN 101456605 A CN101456605 A CN 101456605A CN A2008102428704 A CNA2008102428704 A CN A2008102428704A CN 200810242870 A CN200810242870 A CN 200810242870A CN 101456605 A CN101456605 A CN 101456605A
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Images
Abstract
The invention discloses a deep treatment device for LED nano photocatalysis organic waste, which is characterized by comprising at least one UV LED light source plate and nano photocatalyst material attached to the UV LED light source plate, wherein the UV LED light source plate comprises a high-heat conductivility metal substrate, insulation coating line and circuit and an UV LED light emitting chip, wherein the UV LED light emitting chip is connected with the circuit, the UV LED light source plate is UV LED chip array light sources fixed on two sides the metal substrate through mounting technology or a panel light source coupled or interwoven with the UV light chip and optical fibers, and is then coated with encapsulation material such as resin or ceramic for waterproof treatment. After being widely used, the treatment device solves device safety problems oft human body injuries of deep UV component and mercury lamp blast generated by a mercury gas-discharge source and has the advantages of energy conservation, long service life, high photocatalytic efficiency and no component causing heat to human bodies.
Description
Technical field
The present invention relates to a kind of waste disposal plant, relate in particular to a kind of treatment unit that utilizes photochemical catalysis catalytic control organic waste water, belong to the environmental improvement field of purification.
Background technology
Along with the acceleration of high development of social economy and urbanization, environmental pollution has become the principal element of restriction China Sustainable development.At present, based on the demand that renovating environment energetically pollutes, country and local government launch respectively environmental practice, and the renovating environment of making great efforts is put into effect severeer industry and town domestic sewage emission standard.Though the method for water technology is a lot of both at home and abroad, but conventional biology---there is the problem that floor space is big, treatment effect is unstable, treatment condition are harsh in ecological method, and for a lot of intractables pollute as the organic pollutant treatment effect of the difficult biochemistry of difficult degradations such as phenol, organophosphorus pesticide, organic halogen not obvious; And the investment of physics method and chemical method is big, running cost is high, residue must be processed, has the halfway problem of handling, and need increase in addition and join the oxygenant generating apparatus.Therefore the deep treatment method of organic waste water is extremely urgent.
Utilizing nano photo catalyzed oxidation to handle the organic pollutant, particularly " three cause " organic pollutant of difficult degradation (that is: mutagen, carcinogens, cause anomaly), is most active in recent years research field, becomes to be used for the focus that environmental wastewater is administered.Effectively excitation light source plays crucial effects in the photocatalysis sewage treating processes.The patent No. is that CN1107650C, CN1305561C, CN1587085, CN1403384 etc. all adopt traditional gas ultraviolet lamp (mercury lamp), and being glass, make by these mercury lamps, volume is big, frangible, work-ing life short, voltage drives height, the self-heating amount is big, have harmful light component etc., these shortcomings make photocatalysis sewage treatment technology and device result in actual applications be: efficient is low, energy consumption is high, can't carry out industrial applications.
Summary of the invention
Carry pressing for of mark discharging for catering to the organic waste water advanced treatment, overcome the awkward situation of prior art high energy consumption poor efficiency aspect photochemical catalysis, the object of the present invention is to provide a kind of LED nano-photo catalytic organic waste water advanced treatment apparatus, to seek a kind of compact construction, processing efficiency height, operating safety, energy-conservation organic waste water advanced treatment apparatus.
Technical solution of the present invention is:
LED nano-photo catalytic organic waste water advanced treatment apparatus, it is characterized in that: described treatment unit comprises at least one ultraviolet LED light source board and the nano photo-catalytic material of fitting with it, and mutual discrete corresponding arrange or whole merging is arranged of described ultraviolet LED light source board and nano photo-catalytic material.Wherein, described ultraviolet LED light source board comprise good heat conductivity metal substrate, be printed on the insulating coating circuit and the circuit of metal substrate both sides, and LED luminescence chip, described LED luminescence chip is connected with circuit.
Further, described ultraviolet LED light source board can be to be fixed on the ultraviolet LED chip array light source of metal substrate on two-sided by mount technology, or by ultraviolet LED chip and optical fiber coupling and be woven into the light source of panel shape; Ultraviolet LED light source board surface all scribbles packaged materials such as resin or pottery and seals as WATER REPELLENT.
Further, described ultraviolet LED chip links to each other by the waterproof coupling mechanism with polymkeric substance or silica fibre.
Further, described ultraviolet LED chip is for being made by the nitride semiconductor LED material, and its wavelength region is at 360～420nm, driving DC voltage 3-24V.
Further, described metal substrate is aluminium or the copper foil that has hole, and perfecting is brushed with the chip drive circuit of mutually insulated, and has shape plasticity-.
Further, described nano photo-catalytic material comprises TiO
2, ZnO, NiO, SrTiO
3, BaTi
4O
9, BiWO
3, V
2O
5, MoO
3, WO
3, photocatalyst material such as ZnS, CdS and with one or more of the doping of other metals, nonmetal, metal oxide, matrix material, its form can be aaerosol solution or is supported on and supports in the body substrate.
Further, to support body be porous light transparent ceramic, wire netting, porous polymer base material etc. in described photochemical catalysis.
Further, mutual discrete corresponding arrange or whole the merging arranges of described ultraviolet LED light source board and nano photo-catalytic material.
Use the sewage water advanced treatment apparatus of the present invention's design, the led chip that adopts is as excitation light source, eliminated the injury of human body of the deep ultraviolet composition that mercurous gas lamp produced and the device safety problem of mercury lamp explosion, had energy-conservation, long service life, photocatalysis efficiency is high and human body is not had the beneficial effect of injury composition.
Description of drawings
Fig. 1 is a metal substrate synoptic diagram of the present invention;
The synoptic diagram of Fig. 2 after for the led chip that is sticked on the metal substrate of the present invention;
Fig. 3 is the synoptic diagram of ultraviolet LED light source board of the present invention;
Fig. 4 supports the net synoptic diagram for coating nano titania photocatalyst material of the present invention;
Fig. 5 is a LED nano-photo catalytic sewage water advanced treatment apparatus structural representation of the present invention;
Fig. 6 is the degradation curve of treatment unit of the present invention to methylene blue.
Fig. 7 is a treatment unit Pyrogentisinic Acid's of the present invention degradation curve.
Embodiment
Below just innovative characteristics of the present invention is described in further detail in conjunction with example, but these explanations are not the application diversity that limits innovative characteristics of the present invention with this only as embodiment reflection.
As shown in Figure 1 to Figure 3, be respectively that the making of the present invention from metal substrate to the ultraviolet LED light source board develops synoptic diagram.From these accompanying drawings as seen, at first this ultraviolet LED light source board is based on that the metal substrate 1 of good heat conductivity makes, and this metal substrate 1 can be aluminium or copper sheet.The segment distance of being separated by on this metal substrate 1 two sides is printed with insulating coating 2; And on this metal substrate 1, be printed with negative pole circuit 3, on this insulating coating, be printed with cathode circuit 4.Then a plurality of ultraviolet LED chips 5 are fixed on the metal substrate 1 between the insulating coating 2 by mount technology, and the positive and negative electrode of chip respectively with metal substrate on cathode circuit 4, negative pole circuit 3 be weldingly connected, make to form ultraviolet LED chip array light source on metal substrate 1 two sides.Then adopt resin or ceramic packaging material 6 with said metal substrates 1 sealing, form the area source plate of water-tight; And on this area source plate, hole 7 by certain arrangement, position of opening is folded mutually wrong with respect to metal substrate 1 both sides, to increase the residence time, the increase light-catalyzed reaction area of current between plate.Just constitute a complete ultraviolet LED light source board 10 thus.
Above-mentioned ultraviolet LED luminescence chip 5 is to adopt the nitride semiconductor LED material to make, and its wavelength region is adjustable between 360-420nm, is lighted the electro-optical efficiency height by the driving DC voltage of 3-24V; And single chip size is between 0.1-10mm
2, the wavelength half-breadth is less than 10nm, no harmful deep UV composition, long service life.
Remove above-mentioned ultraviolet LED chip array form of light source, this light source board 10 also the ultraviolet LED chip be coupled by waterproof with polymkeric substance or silica fibre and be woven into the form of light source (not shown) of panel shape.
As shown in Figure 4, be that the present invention supports the structural representation after net has been coated with photochemical catalysis (catalyst) material.Wherein, this supports body 9 and is base materials such as the porous light transparent ceramic of netted or open-work, wire netting, porous polymer.And this photocatalyst material can be to comprise TiO
2, ZnO, NiO, SrTiO
3, BaTi
4O
9, BiWO
3, V
2O
5, MoO
3, WO
3, photocatalyst material such as ZnS, CdS and with one or more of the doping of other metals, nonmetal, metal oxide, matrix material.Photocatalyst material with support body absorption and combine formation one photochemical catalysis plate 11.In addition, for such as this special photocatalyst material of titanium dioxide nano photocatalysis material, can directly add and form aaerosol solution in the water body.
In actual applications, can relative discrete arranging between above-mentioned ultraviolet LED light source board 10 and the photochemical catalysis plate 11, also can merging arranges is an integral body.Be the structural representation of a kind of Application Example treatment unit of the present invention as shown in Figure 5.As can be seen from the figure: ultraviolet LED light source board 10 and photochemical catalysis plate 11 mutual superposition, according to the size for the treatment of water gauge mould, adopt the series connection of three to four groups or more groups to use, be assemblied in both sides and have in the casing 21 of water-in 22 and water outlet 23.Organic sewage enters from a side water-in 22, discharges from opposite side water outlet 23 via photocatalyst material degraded back; When flowing through photocatalyst surface, deleterious organic pollutant thoroughly is degraded into innoxious substance by the LED nano photo-catalytic.
As shown in Figure 6, by above-mentioned ultraviolet LED exciting light catalytic process organic pollutants in water body is carried out advanced treatment, the methylene blue solution that is 1000mg/L to initial COD concentration value carries out degradation experiment, and from experimental diagrams as seen, degradation rate reaches more than 95%.
As shown in Figure 7, by above-mentioned ultraviolet LED exciting light catalytic process organic pollutants in water body is carried out advanced treatment, the phenol solution that initial COD concentration value is 500mg/L is carried out degradation experiment, from experimental diagrams as seen, degradation rate reaches high more than 98%.
The LED excitation nano photochemical catalysis organic waste water advanced treatment apparatus of the present invention design can be used as the leading portion pre-treatment of water treatment method, also can be used as its back segment and handles further in-depth and handle, and more can directly use.Be applicable to that all kinds of water treatment fields such as key industry such as organic chemical industry, petrochemical complex, medicine, agricultural chemicals and tap water use.Specifically:
On the one handAs additional unit, be used for sewage biochemical reaction pond leading portion and carry out advanced treatment, difficult degradation toxic organics in the degraded trade effluent, as organic halides, polycyclic aromatic hydrocarbons, phenol, polychlorobiphenyl, organo phosphorous compounds etc., purpose improves the processing efficiency of biological inoculum to total nitrogen, total phosphorus, ammonia nitrogen, COD for improving biodegradability; On the one hand as additional unit, the back segment that is used for industry or town sewage treatment facility through the advanced treatment of this device, further reduces hardly degraded organic substance and to the removal of residual derive organism and mushroom, water quality is reached propose the requirement that mark discharges, even the purpose of reuse; The advanced treatment that is used for water factory or domestic drinking water on the other hand as self-contained system, further sterilization and degradation of organic substances improve drinking-water quality and safety etc.
To sum up, the present invention adopts the ultraviolet LED chip as excitation light source, eliminated the generation of mercurous gas lamp to the injury of human body and the mercury lamp easy safety problem of explosion under the deep water high pressure, had conspicuous energy-conservation, long service life, photocatalysis efficiency is high and human body is not had the beneficial effect of injury composition.Above accompanying drawing and explanation thereof only provide as embodiment, and the diversity of its embodiment is not limited thereto.So all simple modification or equivalent transformations that the foregoing description is carried out, can realize the design of this creation purpose, all should include within the protection domain of present patent application.
Claims (10)
1.LED nano-photo catalytic organic waste water advanced treatment apparatus, it is characterized in that: described treatment unit comprises at least one ultraviolet LED light source board and the nano photo-catalytic material of fitting with it, and mutual discrete corresponding arrange or whole merging is arranged of described ultraviolet LED light source board and nano photo-catalytic material.
2. LED nano-photo catalytic organic waste water advanced treatment apparatus according to claim 1, it is characterized in that: described ultraviolet LED light source board comprise good heat conductivity metal substrate, be printed on the insulating coating circuit and the circuit of metal substrate both sides, and the LED luminescence chip, described LED luminescence chip is connected with circuit.
3. LED nano-photo catalytic organic waste water advanced treatment apparatus according to claim 2 is characterized in that: described ultraviolet LED light source board is for being fixed on the ultraviolet LED chip array light source of metal substrate on two-sided by mount technology.
4. LED nano-photo catalytic organic waste water advanced treatment apparatus according to claim 2 is characterized in that: described ultraviolet LED light source board is for being coupled by ultraviolet LED chip and optical fiber and being woven into the light source of panel shape.
5. LED nano-photo catalytic organic waste water advanced treatment apparatus according to claim 4 is characterized in that: described ultraviolet LED chip links to each other by the waterproof coupling mechanism with polymkeric substance or silica fibre.
6. according to claim 3 or 4 described LED nano-photo catalytic organic waste water advanced treatment apparatus, it is characterized in that: described ultraviolet LED chip is what made by the nitride semiconductor LED material, its wavelength region is at 360～420nm, driving DC voltage 3-24V.
7. LED nano-photo catalytic organic waste water advanced treatment apparatus according to claim 2, it is characterized in that: described metal substrate is aluminium or the copper foil that has hole, and perfecting is brushed with the chip drive circuit of mutually insulated.
8. LED nano-photo catalytic organic waste water advanced treatment apparatus according to claim 2 is characterized in that: described ultraviolet LED light source board surface scribbles packaged materials such as resin or pottery and seals as WATER REPELLENT.
9. LED nano-photo catalytic organic waste water advanced treatment apparatus according to claim 1, it is characterized in that: described nano photo-catalytic material comprises TiO
2, ZnO, NiO, SrTiO
3, BaTi
4O
9, BiWO
3, V
2O
5, MoO
3, WO
3, photocatalyst material such as ZnS, CdS and with one or more of the doping of other metals, nonmetal, metal oxide, matrix material.
10. according to claim 1 or 9 described LED nano-photo catalytic organic waste water advanced treatment apparatus, it is characterized in that: described nano photo-catalytic material is aaerosol solution or is supported in the substrates such as porous light-transmittance ceramics, wire netting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102428704A CN101456605A (en) | 2008-12-24 | 2008-12-24 | Organic wastewater advanced treatment apparatus by LED nano photocatalysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008102428704A CN101456605A (en) | 2008-12-24 | 2008-12-24 | Organic wastewater advanced treatment apparatus by LED nano photocatalysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101456605A true CN101456605A (en) | 2009-06-17 |
Family
ID=40767772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008102428704A Pending CN101456605A (en) | 2008-12-24 | 2008-12-24 | Organic wastewater advanced treatment apparatus by LED nano photocatalysis |
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| CN (1) | CN101456605A (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102010025A (en) * | 2010-10-15 | 2011-04-13 | 华南农业大学 | Photocatalysis degradation sewage device and sewage degradation method |
| CN102167420A (en) * | 2010-02-26 | 2011-08-31 | 上海广茂达光艺科技股份有限公司 | Open-channel type ultraviolet LED water body sterilizing device |
| CN102274644A (en) * | 2010-06-08 | 2011-12-14 | 鸿富锦精密工业（深圳）有限公司 | Liquid purification device |
| CN102303919A (en) * | 2010-09-26 | 2012-01-04 | 中北大学 | Fixed-film photo-catalytic oxidation waste water treatment device |
| CN102770376A (en) * | 2010-01-06 | 2012-11-07 | 哈利伯顿能源服务公司 | Mobile UV light treatment systems and associated methods |
| CN102998344A (en) * | 2012-12-11 | 2013-03-27 | 清华大学 | Novel nanosheet film for sensor and preparation method thereof |
| CN103663612A (en) * | 2013-12-05 | 2014-03-26 | 乐山市洁宇纳米应用技术研究所 | Domestic water treatment device |
| CN105870298A (en) * | 2016-05-27 | 2016-08-17 | 福建鸿博光电科技有限公司 | Packaging method of LED light source |
| CN107840505A (en) * | 2017-12-07 | 2018-03-27 | 常州市武进区半导体照明应用技术研究院 | Photocatalyst water treatment device |
| CN108190996A (en) * | 2018-01-03 | 2018-06-22 | 京东方科技集团股份有限公司 | A kind of degradation module and cleaning equipment |
| CN108962882A (en) * | 2018-07-04 | 2018-12-07 | 深圳世元吉科技发展有限公司 | A kind of UV LED encapsulating structure, production method and sterilizing unit |
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2008
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102770376A (en) * | 2010-01-06 | 2012-11-07 | 哈利伯顿能源服务公司 | Mobile UV light treatment systems and associated methods |
| CN102167420B (en) * | 2010-02-26 | 2013-07-24 | 上海广茂达光艺科技股份有限公司 | Open-channel type ultraviolet LED water body sterilizing device |
| CN102167420A (en) * | 2010-02-26 | 2011-08-31 | 上海广茂达光艺科技股份有限公司 | Open-channel type ultraviolet LED water body sterilizing device |
| CN102274644A (en) * | 2010-06-08 | 2011-12-14 | 鸿富锦精密工业（深圳）有限公司 | Liquid purification device |
| CN102274644B (en) * | 2010-06-08 | 2014-04-23 | 鸿富锦精密工业（深圳）有限公司 | Liquid purification device |
| CN102303919A (en) * | 2010-09-26 | 2012-01-04 | 中北大学 | Fixed-film photo-catalytic oxidation waste water treatment device |
| CN102303919B (en) * | 2010-09-26 | 2013-02-13 | 中北大学 | Fixed-film photo-catalytic oxidation waste water treatment device |
| CN102010025B (en) * | 2010-10-15 | 2012-12-26 | 华南农业大学 | Photocatalysis degradation sewage device and sewage degradation method |
| CN102010025A (en) * | 2010-10-15 | 2011-04-13 | 华南农业大学 | Photocatalysis degradation sewage device and sewage degradation method |
| CN102998344A (en) * | 2012-12-11 | 2013-03-27 | 清华大学 | Novel nanosheet film for sensor and preparation method thereof |
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