CN105903417B - A kind of LED light catalytic reactor - Google Patents

A kind of LED light catalytic reactor Download PDF

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Publication number
CN105903417B
CN105903417B CN201610431857.8A CN201610431857A CN105903417B CN 105903417 B CN105903417 B CN 105903417B CN 201610431857 A CN201610431857 A CN 201610431857A CN 105903417 B CN105903417 B CN 105903417B
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Prior art keywords
guide plate
aluminium base
led light
light guide
groove
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CN105903417A (en
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郭震宁
李建鹏
张佳宁
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Huaqiao University
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Huaqiao University
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B01J19/127—Sunlight; Visible light
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/30—Treatment of water, waste water, or sewage by irradiation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/70—Treatment of water, waste water, or sewage by reduction
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/72—Treatment of water, waste water, or sewage by oxidation
    • C02F1/74—Treatment of water, waste water, or sewage by oxidation with air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V17/00—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages
    • F21V17/10—Fastening of component parts of lighting devices, e.g. shades, globes, refractors, reflectors, filters, screens, grids or protective cages characterised by specific fastening means or way of fastening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs
    • F21V19/003—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources
    • F21V19/005—Fastening of light source holders, e.g. of circuit boards or substrates holding light sources by permanent fixing means, e.g. gluing, riveting or embedding in a potting compound
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V29/00—Protecting lighting devices from thermal damage; Cooling or heating arrangements specially adapted for lighting devices or systems
    • F21V29/50—Cooling arrangements
    • F21V29/70—Cooling arrangements characterised by passive heat-dissipating elements, e.g. heat-sinks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/22—Reflectors for light sources characterised by materials, surface treatments or coatings, e.g. dichroic reflectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00781—Aspects relating to microreactors
    • B01J2219/00925—Irradiation
    • B01J2219/00934—Electromagnetic waves
    • B01J2219/00943—Visible light, e.g. sunlight
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00—Use of specific compounds during water treatment
    • C02F2305/10—Photocatalysts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V2200/00—Use of light guides, e.g. fibre optic devices, in lighting devices or systems
    • F21V2200/20—Use of light guides, e.g. fibre optic devices, in lighting devices or systems of light guides of a generally planar shape

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Hydrology & Water Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • General Engineering & Computer Science (AREA)
  • Toxicology (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Catalysts (AREA)

Abstract

The invention discloses a kind of LED light catalytic reactor, including light guide plate, LED light bar, pollution liquid container, ultrasonic wave dirt separator and groove type aluminium base；Non-uniform Distribution site and plated with photocatalysis agent film are carved with two light-emitting areas of light guide plate；LED light bar includes LED chip and pcb board, and LED light bar is bonded in into the U-shaped aluminium base bottom portion of groove in cross section with heat-conducting glue, and the inner surface of aluminium base groove is silver-plated to form U-shaped mirror surface；Pollute two chamber walls relative in liquid container and be provided with multigroup symmetrical and equally distributed fixed card slot；Mounted LED lamp bar is distinguished in the two side ends of light guide plate；The two side ends for being provided with the light guide plate of LED light bar are fixed in two groups of necks relative in the pollution liquid container；In pollution liquid container ultrasonic wave dirt separator is mounted between each group neck adjacent on same chamber wall, between the chamber wall that four groups of necks of edge are in parallel.The LED light catalytic reactor photocatalysis efficiency of the present invention is high, excellent catalytic effect.

Description

A kind of LED light catalytic reactor
Technical field
The present invention relates to LED light emission device field, more particularly to a kind of LED light catalytic reactor.
Background technology
With the development of science and technology LED light source, because it has light efficiency high, power consumption is few, and spectrum is narrow, and small volume, cost is low, and And pollution-free, the advantages that meeting national energy-saving environmental protection main body, increasingly favored by people.Because LED spectrum is narrower, one As be 20~30nm.In this space of spectrum, any desired spectral shape can be almost formed using multiple LED, and it is this Combination is inefficent loss.Therefore, can combine to obtain the spectrum for being available for photocatalyst film to fully absorb.
As the fast development of industry, the pollution control problem of waste water are more and more severeer.Industrial wastewater have species it is different, Production technology is different, and it has component difference big, and complicated components, amount of pollutant is more, and COD is high, and hard-degraded substance is more, strong toxicity etc. Feature.Photocatalysis technology is shown one's talent with its excellent degradation characteristic in numerous waste water treatment process, with nano-TiO2For allusion quotation The photochemical catalyst of type representative has the advantages that chemical property is stable, activity is high, repeatable utilization, in hardly degraded organic substance, water body There is unique advantage in the processing such as mineralising, removal of heavy metal ions and some specific toxicity mass degradations of micropollutants, therefore In hospital wastewater, pharmacy waste water, electroplating industry and to bleaching and dyeing in the fields such as enterprise be a kind of wastewater treatment of great development prospect Technology.
The light that light source is sent in traditional photo catalysis reactor is easily contaminated liquid and absorbed, and its single photocatalysis panel causes Photocatalysis efficiency is low, and the light that light source is sent can not be fully absorbed utilization by photocatalyst film.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, propose a kind of photocatalysis efficiency height, excellent catalytic effect, into This low and practical LED light catalytic reactor.
The technical solution adopted for the present invention to solve the technical problems is：
A kind of LED light catalytic reactor, including：
Including light guide plate, LED light bar, pollution liquid container, ultrasonic wave dirt separator and groove type aluminium base；The light guide plate bag Two light-emitting areas are included, the intensive non-uniform Distribution site in the sparse centre in both ends and plated with photocatalysis agent are carved with two light-emitting area Film；The LED light bar includes several LED chips and a pcb board, and the pcb board is distinguished with several described LED chips Connection；The cross section of the groove type aluminium base is U-shaped, and its groove inner surface is silver-plated to form U-shaped mirror surface, and its is recessed Trench bottom is stained with the LED light bar；Two relative chamber walls are provided with multigroup symmetrical and are uniformly distributed in the pollution liquid container Fixed card slot, each group of neck include a top neck and a bottom neck；Network point distribution is sparse on the light guide plate two Groove type aluminium base is separately installed with side；The two side ends for being provided with the light guide plate of groove type aluminium base are fixed on the pollution In liquid container in two groups of relative necks；Between each group neck adjacent on same chamber wall and side in the pollution liquid container The ultrasonic wave dirt separator is mounted between four groups of portion neck chamber wall in parallel.
Preferably, the geomery of the groove notch of the groove type aluminium base and the geomery of the light guide plate side Match so that closed butt joint can be kept when realizing that the groove of the groove type aluminium base is inserted in the light guide plate side.
Preferably, when the aluminium base groove is inserted in the light guide plate side, the groove is inserted in the light guide plate side During the groove of formula aluminium base, space use is left between the light guide plate side and the aluminium base bottom portion of groove for being bonded with LED light bar In mirror-reflection and optical coupling.
Preferably, the rectangular shape of groove notch of the groove type aluminium base.
Preferably, the top neck is arranged on the chamber wall mouth of the pollution liquid container；The bottom neck is arranged on The chamber wall bottom of the pollution liquid container.
Preferably, space is left between the light guide plate being fixed in the pollution liquid container and the chamber wall for polluting liquid container For connecting the contaminated liquid in the pollution liquid container separated by the light guide plate.
Preferably, the ultrasonic wave dirt separator includes several ultrasonic transducers, lead channels and shell；The wire Passage is arranged on the ultrasonic wave dirt separator outer surface；Several described ultrasonic transducers are bonded in the ultrasonic wave dirt separator Inside, and sealed by shell；The lead channels of the ultrasonic wave dirt separator are placed on outside the pollution liquid container, remaining Part is put into the pollution liquid container and is close to the chamber wall for polluting liquid container completely.
Preferably, the thickness of the photocatalyst film be in one times of the average diffusion length of its carrier to it is octuple it Interior, the average diffusion length is equal to the life-span of carrier and the secondary radical sign of diffusion coefficient product, and the carrier, which refers to, partly leads The electronics of body and hole.
Preferably, the two side ends of non-installation groove formula aluminium base install top fixing element and bottom respectively on the light guide plate Fixture；The top fixing element is provided with the bar-shaped trough for being used for the insertion of the side of light guide plate one；The bottom nozzle mounts, which are provided with, to be used for The bar-shaped trough of another side insertion of light guide plate；Two groove type aluminium bases, a top are inserted in four sides of the light guide plate respectively After fixture and a bottom nozzle mounts, two groove types aluminium base, a top fixing element and a bottom nozzle mounts pass through welding It is integrally formed frame.
Preferably, the both ends of the groove type aluminium base bottom portion of groove are provided with wire through-hole；The bar of the top fixing element Lead channels are provided with below shape groove and wire portals, and the wire portals to be connected with lead channels；The bar of the bottom nozzle mounts Lead channels are provided with below shape groove；The wire through-hole, lead channels and lead channels are interconnected, and are portalled by the wire The wire of the pcb board is guided to the outside of the pollution liquid container.
Preferably, the light guide plate side and the groove type aluminium base, top fixing element, the docking section of bottom nozzle mounts Divide the adhesives for being bonded with for waterproof sealing and rising fixation respectively；Wire portals place, groove type aluminium base and top The welding position of the welding position of fixture, groove type aluminium base and bottom nozzle mounts is bonded with for waterproof sealing and risen respectively The adhesives of fixation.
Preferably, the driving power of the LED chip is arranged on the outside of the pollution liquid container.
After adopting the above technical scheme, the LED light catalytic reactor of the present invention, breaks through traditional LED light catalytic reactor Structure type, LED driving power are not followed by light guide plate and immersed in contaminated liquid in the outside of photo catalysis reactor, thus not Influence photocatalysis；The LED light bar for being bonded in U-shaped aluminium base bottom portion of groove is arranged on the relative two side ends of light guide plate and does waterproof After processing, both are immersed among contaminated liquid together, does not influence the normal work of LED light bar；In addition, when LED chip works Caused heat can be dispersed into liquid environment by groove type aluminium base again by pcb board, does not influence the steady operation of LED chip State.
The present invention has the advantages that：
1st, the LED light bar for being bonded in U-shaped aluminium base bottom portion of groove is installed in the relative two side ends of light guide plate, makes LED The light that light source is sent fully is coupled into light guide plate；
2nd, light guide plate two sides laser engraving goes out non-uniform Distribution site, to ensure light guide plate double-faced uniform light extraction；
3rd, light guide plate two sides plates the redox reaction that the photochemical catalyst with certain film thickness ensures photochemical catalyst Efficiency is at one's best；
4th, polylith light guide plate is placed in the neck of pollution liquid container to improve photocatalysis efficiency at certain intervals, makes pollution Pollutant in liquid container is substantially efficiently degraded；
5th, ultrasonic wave dirt separator removes the dirt being attached on light guide plate, and the sewage for promoting to pollute in liquid container is in stream Dynamic state, ensure that pollutant fully contacts with photochemical catalyst so that photocatalysis effect continues efficiently；
6th, the light that LED light source is sent can be fully absorbed utilization by photocatalyst film.
The present invention is described in further detail below in conjunction with drawings and Examples, but a kind of LED light catalysis of the present invention Reactor is not limited to embodiment.
Brief description of the drawings
Fig. 1 is the cross section view of the LED light catalytic reactor of the present invention；
Fig. 2 is the explosive view of the LED light catalytic reactor of the present invention；
Fig. 3 is the fragmentary view of the LED light bar for being bonded in aluminium base bottom portion of groove of the present invention；
Fig. 4 is the explosive view of the ultrasonic wave dirt separator of the present invention；
Fig. 5 is the partial view of the groove type aluminium base of the present invention；
Fig. 6 is the structural representation of the top fixing element of the present invention；
Fig. 7 is the structural representation of the bottom nozzle mounts of the present invention；
Groove type aluminium base, top fixing element and the bottom firmware that Fig. 8 is the present invention are welded as a whole the structural representation of frame Figure.
Reference：1st, light guide plate, 11, non-uniform Distribution site, 2, LED light bar, 21, LED chip, 22, pcb board, 3, Pollute liquid container, 31, top neck, 32, bottom neck, 33, contaminated liquid discharge outlet, 4, ultrasonic wave dirt separator, 41, ultrasonic waves Can device, 42, lead channels, 43, ultrasonic wave dirt separator shell, 5, groove type aluminium base, 51, the cross section of groove type aluminium base, 52nd, U-shaped mirror surface, the groove notch of 53 groove type aluminium bases, 54, the wire through-hole of groove type aluminium base, 6, top it is solid Determine part, 61, the lead channels of top fixing element, 62, the wire of top fixing element portal, 63, the bar-shaped trough of top fixing element, 7 Bottom nozzle mounts, 71, the lead channels of bottom nozzle mounts, 72, the bar-shaped trough of bottom nozzle mounts.
Embodiment
Referring to Fig. 1 to Fig. 8, a kind of LED light catalytic reactor, including it is light guide plate 1, LED light bar 2, pollution liquid container 3, super Sound wave dirt separator 4 and groove type aluminium base 5.It is close that the sparse centre in both ends is carved out in two light-emitting areas of light guide plate 1 by laser The non-uniform Distribution site 11 of collection, photocatalyst film is plated in 1 liang of light-emitting area of light guide plate using infusion process.The LED light bar 2 Including several LED chips 21 and a pcb board 22；The cross section 51 of the groove type aluminium base 5 is U-shaped, in its groove For electroplate to form U-shaped mirror surface 52, the bottom portion of groove that LED light bar 2 is bonded in aluminium base 51 with heat-conducting glue is (specific , a pcb board is bonded at the bottom portion of groove of aluminium base 51, and its length and width is as groove-bottom, and then connection is more on a PCB again Individual LED chip 21).Two relative chamber walls are provided with multigroup symmetrical and equally distributed fixing card in the pollution liquid container 3 Groove, each group of neck include a top neck 31 and a bottom neck 32.Site 11 is distributed sparse both sides on the light guide plate 1 The LED light bar 2 for the bottom portion of groove of aluminium base 51 that cross section is U-shaped is bonded in described in being installed respectively on end；LED light bar is installed The two side ends of 2 light guide plate 1 are fixed in two groups of necks relative in the pollution liquid container 3；It is same in the pollution liquid container 3 (gap between pocket set and pocket set on i.e. same chamber wall) and side between adjacent each group neck on one chamber wall The ultrasonic wave dirt separator 4 is mounted between four groups of portion neck chamber wall in parallel.
Further, the geomery of the groove notch 53 of the groove type aluminium base 5 and the shape of the side of light guide plate 1 Shape size matches can keep closed butt joint when realizing that the groove of the groove type aluminium base 5 is inserted in the side of light guide plate 1. In the present embodiment, the 53 rectangular shape of aluminium base groove notch.
Further, when the groove of the groove type aluminium base 5 is inserted in the side of light guide plate 1, the side of light guide plate 1 Leave space with being bonded between the groove-bottom of aluminium base 51 of LED light bar 2 and be used for mirror-reflection and optical coupling.
Further, the top neck 31 is arranged on the chamber wall mouth of the pollution liquid container 3；The bottom neck 32 It is arranged on the chamber wall bottom of the pollution liquid container 3.Specifically, one group of neck include being fixed on the same face chamber wall and A top neck 31 and a bottom neck 32 on straight line, the side of light guide plate 1 one for being provided with LED light bar 2 Insert in one group of neck, another side is inserted in one group of neck symmetrical on relative chamber wall.
Further, stayed between the light guide plate 1 being fixed in the pollution liquid container 3 and the chamber wall for polluting liquid container 3 Have space be used for connect by the light guide plate 1 separate pollute liquid container in contaminated liquid.Specifically, can be by top neck 31 and the shape of bottom neck 32 be designed to realize.
Specifically, the pollution liquid container 3 is additionally provided with contaminated liquid discharge outlet 33.
Further, the ultrasonic wave dirt separator 4 includes several ultrasonic transducers 41, lead channels 42 and shell 43；The lead channels 42 are arranged on the outer surface of ultrasonic wave dirt separator 4；Several described ultrasonic transducers 41 are bonded in Inside the ultrasonic wave dirt separator 4, and sealed by shell 43；The ultrasonic wave dirt separator 4 is equal in addition to lead channels 42 It is placed into the pollution liquid container 3 and is close to the chamber wall for polluting liquid container 3.Lead channels 42 are to be used to occur ultrasonic wave The high-frequency signal of device is converted to high frequency machinery by being bonded in the ultrasonic transducer 41 inside ultrasonic wave dirt separator shell 43 and shaken Dynamic ripple, that is, produce ultrasonic wave, the shell 43 of ultrasonic wave dirt separator 4 can isolate ultrasonic transducer 41 and contaminated liquid.
Further, the thickness of the photocatalyst film is in one times of the average diffusion length of its carrier to octuple Within, the average diffusion length is equal to the life-span of carrier and the secondary radical sign of diffusion coefficient product, and the carrier refers to half The electronics of conductor and hole.The film thickness of photochemical catalyst about at its carrier average diffusion length scope when, unit It is most that the carrier of light-catalyzed reaction is participated in time, photocatalysis efficiency highest.
Further, the two side ends of non-installation groove formula aluminium base 5 install top fixing element 6 respectively on the light guide plate 1 With bottom nozzle mounts 7；The top fixing element 6 is provided with the bar-shaped trough 63 for being used for the insertion of the side of light guide plate 1 one；The bottom is fixed Part 7 is provided with the bar-shaped trough 72 for being used for the insertion of 1 another side of light guide plate；Two grooves are inserted in four sides of the light guide plate 1 respectively After formula aluminium base 5, a top fixing element 6 and a bottom nozzle mounts 7, the two groove types aluminium base 5, the and of a top fixing element 6 One bottom nozzle mounts 7 are by being welded into integrated frame.Play a part of strengthening lightguide plate fixing 1 in addition, the integrated frame also has.
Further, the both ends of the bottom portion of groove of the groove type aluminium base 5 are provided with wire through-hole 54；The top is fixed The lower section of bar-shaped trough 63 of part 6 is provided with lead channels 61 and wire portals 62, and the wire portals 62 to be connected with lead channels 61；Institute The lower section of bar-shaped trough 72 for stating bottom nozzle mounts 7 is provided with lead channels 71；The wire through-hole 54, lead channels 61 and lead channels 71 be interconnected, by the wire portal 62 by the wire of the pcb board 22 guide to it is described pollution liquid container 3 outside.
Further, glue is bonded by the side of light guide plate 1 and the aluminium base groove 53 using organosilicon structures Butted part (specifically, instructing the seam that the side of tabula rasa 1 is connected with the aluminium base groove 53), wire portal at 62 (specific , refer to the wire of pcb board and wire portal 62 gap), the junction of light guide plate 1 and top fixing element 6 is (specifically, instruct The seam that the side of tabula rasa 1 is connected with the bar-shaped trough 63 of top fixing element 6), the junction of light guide plate 1 and bottom nozzle mounts 7 it is (specific , the seam for instructing the side of tabula rasa 1 to be connected with the bar-shaped trough 72 of bottom nozzle mounts 7) and groove type aluminium base 5 and top fixing element 6 and bottom nozzle mounts 7 solder joint at be all bonded, prevent LED light bar 2 from immersing contaminated liquid together with light guide plate 1 Because leak influences the normal work of LED light bar 2 when in the contaminated liquid in container 3.Also acted as in addition, butted part is carried out into bonding One fixed effect, make the above-mentioned side of light guide plate 1 and LED light bar be bonded between the bottom portion of groove of groove type aluminium base to stay Position, which can be fixed, both when having space prevents any slight movement.
Further, the driving power of the LED chip 21 is arranged on the outside of the pollution liquid container, not with leaded light Plate 1 is immersed in contaminated liquid, thus does not influence photocatalysis.
The general principle of the present invention is as follows：The non-uniform Distribution site 11 that the two-sided laser engraving of light guide plate 1 goes out, U-shaped Light caused by LED chip 21 can be coupled into leaded light by the U-shaped mirror surface 52 of groove type aluminium base 5 through the side of light guide plate 1 Plate 1, the light of light guide plate 1 is coupled into after the modulation of the non-uniform Distribution site 11 in two light-emitting areas of light guide plate 1, makes to lead The double-faced uniform light extraction of tabula rasa 1.The outgoing optical wavelength of LED chip 21 in LED light bar 2 is in the absorption spectrum of photocatalyst film In the range of, there is the light of uniform illumination can be fully utilized and be plated in the two-sided photocatalyst film of light guide plate 1 to excite, protected with this Demonstrate,prove the light-catalysed uniformity and high efficiency, and improve optical energy utilization efficiency (in the present embodiment, the thickness of the photocatalyst film About five times of the average diffusion length of its carrier).Multiple photocatalysis can be placed in contaminated liquid tank 3 with neck simultaneously Light guide plate 1, the ultrasonic wave dirt separator 4 in the gap being between each group of neck and between neck and chamber wall are promoting to pollute While liquid stream is moved, the pollution fouling for being attached to the surface of light guide plate 1 is also removed, ensure that photocatalysis efficiency and light are urged with this Agent activity.
The photo catalysis reactor of the present invention, the emergent light for avoiding light source in traditional photo catalysis reactor are contaminated liquid absorption The problem of low with the photocatalysis efficiency caused by single photocatalysis panel, and to also overcome photocatalysis anti-for the use of LED light source The problem of answering the light that light source is sent in device to be fully absorbed by photocatalyst film.
The preferred embodiment of invention is the foregoing is only, is not intended to limit the invention, it is all in the spiritual and former of the present invention Within then, any modification, equivalent substitution and improvements made etc., it should be included within the protection domain of invention.

Claims (12)

  1. A kind of 1. LED light catalytic reactor, it is characterised in that：Including light guide plate (1), LED light bar (2), pollution liquid container (3), Ultrasonic wave dirt separator (4) and groove type aluminium base (5)；The light guide plate (1) includes two light-emitting areas, is carved in two light-emitting area There are the non-uniform Distribution site (11) that the sparse centre in both ends is intensive and plated with photocatalysis agent film；The LED light bar (2) is if include Dry LED chip (21) and a pcb board (22), the pcb board (22) are connected respectively with several described LED chips (21)； The cross section (51) of the groove type aluminium base (5) is U-shaped, and its groove inner surface is silver-plated to form U-shaped mirror surface (52), its bottom portion of groove is stained with the LED light bar (2)；Two relative chamber walls are provided with multigroup in the pollution liquid container (3) Symmetrical and equally distributed fixed card slot, each group of neck include a top neck (31) and a bottom neck (32)；It is described to lead Site (11), which are distributed in sparse two side ends, on tabula rasa (1) is separately installed with groove type aluminium base (5)；Groove type aluminium base is installed The two side ends of the light guide plate (1) of plate (5) are fixed in two groups of necks relative in the pollution liquid container (3)；The contaminated liquid In container (3) between each group neck adjacent on same chamber wall and between chamber wall that four groups of necks of edge are in parallel The ultrasonic wave dirt separator (4) is installed.
  2. 2. LED light catalytic reactor according to claim 1, it is characterised in that：The groove of the groove type aluminium base (5) The geomery of notch (53) matches to realize the light guide plate (1) side with the geomery of the light guide plate (1) side Closed butt joint can be kept during the groove for inserting the groove type aluminium base (5).
  3. 3. LED light catalytic reactor according to claim 2, it is characterised in that：Described in light guide plate (1) the side insertion During the groove of groove type aluminium base (5), light guide plate (1) side and aluminium base (5) groove-bottom for being bonded with LED light bar (2) Space is left between portion and is used for mirror-reflection and optical coupling.
  4. 4. LED light catalytic reactor according to claim 2, it is characterised in that：The groove of the groove type aluminium base (5) Notch (53) rectangular shape.
  5. 5. LED light catalytic reactor according to claim 1, it is characterised in that：The top neck (31) is arranged on institute State the chamber wall mouth of pollution liquid container (3)；The bottom neck (32) is arranged on the chamber wall bottom of the pollution liquid container (3) Portion.
  6. 6. LED light catalytic reactor according to claim 5, it is characterised in that：It is fixed in the pollution liquid container (3) Light guide plate (1) and pollution liquid container (3) chamber wall between leave space be used for connect the dirt separated by the light guide plate (1) Contaminated liquid in dye liquor container (3).
  7. 7. LED light catalytic reactor according to claim 1, it is characterised in that：The ultrasonic wave dirt separator (4) is if include Dry ultrasonic transducer (41), lead channels (42) and shell (43)；The lead channels (42) are arranged on the ultrasonic wave Dirt separator (4) outer surface；Several described ultrasonic transducers (41) are bonded in ultrasonic wave dirt separator (4) inside, and lead to Shell (43) is crossed to be sealed；The lead channels (42) of the ultrasonic wave dirt separator (4) are placed on the pollution liquid container (3) Outside, remainder is put into the pollution liquid container (3) and is close to the chamber wall for polluting liquid container (3) completely.
  8. 8. LED light catalytic reactor according to claim 1, it is characterised in that：At the thickness of the photocatalyst film Within one times to eight times of the average diffusion length of its carrier, the average diffusion length is equal to life-span and the expansion of carrier The secondary radical sign of coefficient product is dissipated, the carrier refers to electronics and the hole of semiconductor.
  9. 9. LED light catalytic reactor according to claim 3, it is characterised in that：Non- installation groove on the light guide plate (1) The two side ends of formula aluminium base (5) install top fixing element (6) and bottom nozzle mounts (7) respectively；The top fixing element (6) is provided with Bar-shaped trough (63) for the top fixing element of the side of light guide plate (1) one insertion；The bottom nozzle mounts (7), which are provided with, is used for leaded light The bar-shaped trough (72) of the bottom nozzle mounts of another side insertion of plate (1)；It is recessed that four sides of the light guide plate (1) insert two respectively After slot type aluminium base (5), a top fixing element (6) and a bottom nozzle mounts (7), the two groove types aluminium base (5), a top Fixture (6) and a bottom nozzle mounts (7) are by being welded into integrated frame.
  10. 10. LED light catalytic reactor according to claim 9, it is characterised in that：Groove type aluminium base (5) groove The both ends of bottom are provided with wire through-hole (54)；The wire of top fixing element is provided with below the bar-shaped trough (63) of the top fixing element Passage (61) and wire portal (62), the wire portal (62) connected with the lead channels (61) of top fixing element；The bottom The lead channels (71) of bottom nozzle mounts are provided with below the bar-shaped trough (72) of portion's fixture；The wire through-hole (54), top are solid Determine the lead channels (61) of part and the lead channels (71) of bottom nozzle mounts are interconnected, (62) are portalled by institute by the wire The wire for stating pcb board (22) guides to the outside of the pollution liquid container (3).
  11. 11. LED light catalytic reactor according to claim 10, it is characterised in that：Light guide plate (1) side with it is described Groove type aluminium base (5), top fixing element (6), the butted part of bottom nozzle mounts (7) be bonded with respectively for waterproof sealing and Play the adhesives of fixation；Wire portal (62) place, groove type aluminium base (5) and top fixing element (6) welding position, The welding position of groove type aluminium base (5) and bottom nozzle mounts (7) is bonded with for waterproof sealing and plays fixation respectively Adhesives.
  12. 12. LED light catalytic reactor according to claim 1, it is characterised in that：The driving electricity of the LED chip (21) Source is arranged on the outside of the pollution liquid container (3).
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CN110759419B (en) * 2019-11-05 2020-11-17 邳州正邦饲料有限公司 Aquaculture sewage purification pond
CN114288957B (en) * 2022-01-07 2023-03-31 浙江大学 Photochemical continuous flow synthesis device and method based on light guide plate

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CN204964799U (en) * 2015-08-19 2016-01-13 东莞市银特丰光学玻璃科技有限公司 Compound light guide plate
CN205868227U (en) * 2016-06-16 2017-01-11 华侨大学 Photocatalysis reactor for LED

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