CN105400681B - A kind of modular optical reactor and its design method based on LED point light source - Google Patents
A kind of modular optical reactor and its design method based on LED point light source Download PDFInfo
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- CN105400681B CN105400681B CN201510998731.4A CN201510998731A CN105400681B CN 105400681 B CN105400681 B CN 105400681B CN 201510998731 A CN201510998731 A CN 201510998731A CN 105400681 B CN105400681 B CN 105400681B
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- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12M—APPARATUS FOR ENZYMOLOGY OR MICROBIOLOGY; APPARATUS FOR CULTURING MICROORGANISMS FOR PRODUCING BIOMASS, FOR GROWING CELLS OR FOR OBTAINING FERMENTATION OR METABOLIC PRODUCTS, i.e. BIOREACTORS OR FERMENTERS
- C12M21/00—Bioreactors or fermenters specially adapted for specific uses
- C12M21/02—Photobioreactors
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- C12M23/00—Constructional details, e.g. recesses, hinges
- C12M23/58—Reaction vessels connected in series or in parallel
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- C12M31/00—Means for providing, directing, scattering or concentrating light
- C12M31/10—Means for providing, directing, scattering or concentrating light by light emitting elements located inside the reactor, e.g. LED or OLED
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Abstract
The present invention provides a kind of LED based modular optical reactor and its design methods, using LED point light source, spacing, single module Photoreactor size and the light convex mirror installation site of parameter settings point light source are reflected etc. with the attenuation degree of distance, light with the light source angle of departure, light intensity, and single module Photoreactor can be combined according to size actually required.Single module Photoreactor is cube structure, light intensity > 80 μ w/cm of LED point light source2, the angle of departure is less than ± 90 °.The distance between point light source is light intensity attenuation at ± 45 ° of angle of scatterings to 80 μ w/cm2Distance.Single module Photoreactor is having a size of light intensity attenuation at 0 ° of angle of scattering of point light source to 80 μ w/cm2Distance.Point light source is fixed and is connected with band, is radiated by optical window in single module Photoreactor inside cavity, and installs a smooth convex reflecting mirror in optical window right opposite, to promote light to maximally utilize.The installation of strip light source is spirally advanced with airintake direction, with it is right, upper, left, under sequence circuit sequentially the four additional face of cube of being fixed on.
Description
Technical field
The present invention relates to photochemistry, environmental improvement, photocatalysis technology fields, more particularly to using LED point light source as light source
Modular optical reactor design method.
Background technique
Photoreactor is mainly used for the container reacted using illumination condition.In Photoreactor, reactant must
Correlated response could be completed after must contacting with light.But it since light can be subsequently absorbed in the material in transmission process, shows with transmission distance
The characteristics of light intensity reduces from increase, this non-uniform feature of light distribution result in traditional Photoreactor due to light intensity is concentrated
The low problem of photon utilization efficiency.For distribution light intensity more evenly, numerous researchers study this, as quartz ampoule is led
Light Photoreactor, optical fiber light-guiding Photoreactor, fibre bundle Photoreactor.We devise fluidized bed-light in laboratory early period
Fiber photocatalysis reactor, when optical fiber end output intensity is no more than 80 μ w/cm2When can realize the uniform lighting of point light source, obtained height
Light utilization ratio.It can be seen that it is the important channel for improving photon utilization efficiency that low intensity points light source, which is uniformly distributed,.However,
The fluidized bed that we design before this-optical fiber photo catalysis reactor is difficult to reality due to optical fiber is easily broken, light intensity is transmitted be limited at a distance
Amplification.Seek low intensity points light source and design the Photoreactor for being easy to amplify to be the key that current Photoreactor design.
The LED light source in recent years, China or even the world is substantially developed.Compared with conventional light source, LED has monochromatic light
Source power is low, light-emitting area is small, brightness is high, shape is small, energy saving, long service life, performance are stable, safety and the features such as environmental protection.
The small feature of its shape can cooperate well it with various reactors, this is in patent document 1(China Patent Publication No.
CN101679930A), patent document 2(China Patent Publication No. CN2014017817U) in obtained good embodiment.However,
Based on LED light-emitting area it is small come directly generate point light source, the attenuation degree Cube for designing algorithm single module according to its light intensity with distance
Photoreactor and single module Photoreactor is combined realize Photoreactor amplification design, at present both at home and abroad there is not yet
Report.
Summary of the invention
The purpose of the present invention is to provide a kind of modular optical reactor and its design method based on LED point light source leads to
It crosses using LED point light source as Photoreactor light source, with the light source angle of departure, light intensity with ginsengs such as attenuation degree, the light reflections of distance
Spacing, single module Photoreactor size and the light convex mirror installation sites of number setting point light sources, and by single module Photoreactor
It is combined according to actual needs reactor size, designs efficient, low consumption modular optical reactor.
In order to achieve the above object, the invention is realized by the following technical scheme:
A kind of design method of the modular optical reactor based on LED point light source, the Photoreactor are anti-by single module light
Device is answered to assemble, the single module Photoreactor is to be based on forming LED point light source layout designs；The LED point light source
Light intensity > 80 μ w/cm2, the angle of departure is less than ± 90 °；The single module Photoreactor is cube structure, the point light source and point light
The distance in source is light intensity attenuation at ± 45 ° of angle of scatterings to 80 μ w/cm2Distance；The single module Photoreactor is having a size of light
Light intensity attenuation is to 80 μ w/cm at the angle of scattering of 0 ° of source2Distance；The point light source is fixed with band, is radiated by optical window in described
The inside cavity of single module Photoreactor, and one smooth convex reflecting mirror is installed in the right opposite of the optical window, to promote light maximum
Change and utilizes；It is identical as point light source spacing at a distance from the band and band.
As a further improvement of the present invention, the point light source is connected in series.
As a further improvement of the present invention, the single module Photoreactor size is up to 1 meter.
As a further improvement of the present invention, the installation of the strip light source is spirally advanced with airintake direction, with it is right,
It is upper, left, under sequence circuit sequentially the four additional face for being fixed on cube.
On the other hand, the invention also provides a kind of modular optical reactor based on LED point light source, the modular optical
Reactor design method according to the invention designs.
On the other hand, the invention also provides a kind of single module Photoreactor, the single module Photoreactor be based on pair
LED point light source layout designs are formed；The light intensity of the LED point light source > 80 μ w/cm2, the angle of departure is less than ± 90 °；The single module
Photoreactor is cube structure, and the point light source is light intensity attenuation at ± 45 ° of angle of scatterings to 80 μ w/ at a distance from point light source
cm2Distance；The single module Photoreactor is having a size of light intensity attenuation at 0 ° of angle of scattering of point light source to 80 μ w/cm2Distance；Institute
It states point light source to fix with band, be radiated by optical window in the inside cavity of the single module Photoreactor, and in the optical window
Right opposite installs a smooth convex reflecting mirror, to promote light to maximally utilize；The band at a distance from band with point light source spacing
It is identical.
Detailed description of the invention
Fig. 1 is the single module Photoreactor design diagram of modular optical reactor of the invention；
Fig. 2 is the design diagram of modular optical combination of reactors amplification of the invention.
Specific embodiment
Below by specific embodiment combination attached drawing, invention is further described in detail.
In general, the incident photon-to-electron conversion efficiency of LED light source is close to 100%.The operating voltage of LED is 2-3.6V, operating current
It is 0.02-0.03A, power can be no more than 0.1W.And under appropriate electric current and voltage, the service life of LED is up to 100,000
Hour.The present invention selects LED point light source as Photoreactor light source, attenuation degree, light with the light source angle of departure, light intensity with distance
Spacing, single module Photoreactor size and the light convex mirror installation site of the parameter settings point light sources such as reflection, and by single module
Photoreactor is combined according to actual needs reactor size, designs efficient, low consumption modular optical reactor.
Single module design figure is as shown in Fig. 1, is cube structure.The light intensity of LED point light source > 80 μ w/cm2, the angle of departure
Less than ± 90 °.Point light source is light intensity attenuation at ± 45 ° of angle of scatterings to 80 μ w/cm at a distance from point light source2Distance.Single module
Photoreactor is having a size of light intensity attenuation at 0 degree of angle of scattering of point light source to 80 μ w/cm2Distance, be up to 1m.Point light source is with band
It fixes and connects, radiated by optical window in single module Photoreactor inside cavity, and is anti-on one smooth convex surface of optical window right opposite installation
Mirror is penetrated, to promote light to maximally utilize.Identical as point light source spacing at a distance from band and band, the installation of strip light source is with air inlet
Direction is spirally advanced, with it is right, upper, left, under sequence circuit sequentially the four additional face of cube of being fixed on.
Modular optical reactor design is as shown in Fig. 2.By single module Photoreactor according to actual needs reactor size
It is assembled, forms modular optical reactor.
The beneficial effect of modular optical reactor design includes:
(1) optical field distribution is more uniform: carrying out distribution of light sources using point light source, local light intensity will not be too strong, and modular
Design guarantees light intensity > 80 μ w/cm2, keep light intensity overall distribution in reactor more uniform.
(2) be easy to amplify: modularized design makes reactor size that can be easy to amplify with Optional assembling.
(3) light utilization efficiency is high: carrying out distribution of light sources using point light source, keeps optical field distribution more uniform, greatly improves light utilization
Rate.
(4) low energy consumption: the incident photon-to-electron conversion efficiency of LED light source is high, and point light source distribution improves light utilization efficiency, equivalent processing
The energy consumption of amount will be reduced greatly.
(5) operating cost is low: the light utilization efficiency of modular optical reactor is high, low energy consumption, long service life, this will be very big
Reduction operating cost.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (3)
1. a kind of modular optical reactor based on LED point light source, it is characterised in that: the modular optical reactor is a single mode
Block Photoreactor, the single module Photoreactor are to be based on forming LED point light source layout designs；The light of the LED point light source
μ w/cm by force > 802, the angle of departure is less than ± 90 °；The single module Photoreactor is cube structure, the point light source and point light source
Distance be at ± 45 ° of angle of scatterings light intensity attenuation to 80 μ w/cm2Distance；The single module Photoreactor is having a size of point light source
Light intensity attenuation is to 80 μ w/cm at 0 ° of angle of scattering2Distance, be up to 1m；The point light source is fixed with band obtains band light
Source；The point light source is radiated by optical window in the inside cavity of the single module Photoreactor；The right opposite of the optical window is installed
There is a smooth convex reflecting mirror, to promote light to maximally utilize；It is identical as point light source spacing at a distance from the band and band；It is described
The installation of strip light source is spirally advanced with airintake direction, with it is right, upper, left, under sequence circuit sequentially and be fixed on cube
Four additional face；Correspondingly, corresponding reflecting mirror sequence circuit sequentially be fixed on cube left, down, right, above on.
2. modular optical reactor according to claim 1, it is characterised in that: the point light source is connected in series.
3. a kind of modular optical reactor based on LED point light source, it is characterised in that: the modular optical reactor is by according to power
Benefit require 1 or 2 described in single module Photoreactor assemble.
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| CN201510998731.4A CN105400681B (en) | 2015-12-25 | 2015-12-25 | A kind of modular optical reactor and its design method based on LED point light source |
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| CN201510998731.4A CN105400681B (en) | 2015-12-25 | 2015-12-25 | A kind of modular optical reactor and its design method based on LED point light source |
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| CN105400681A CN105400681A (en) | 2016-03-16 |
| CN105400681B true CN105400681B (en) | 2019-06-07 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101679930A (en) * | 2007-06-01 | 2010-03-24 | 瓦克化学股份公司 | Photoreactor |
| CN102203233A (en) * | 2008-08-01 | 2011-09-28 | 藻类技术(英国)有限公司 | Algae growth system |
| CN102876561A (en) * | 2011-07-14 | 2013-01-16 | 中国科学院过程工程研究所 | Airlift photobioreactor for realizing microalga flash effect |
| CN104195033A (en) * | 2014-09-09 | 2014-12-10 | 青岛汇君环境能源工程有限公司 | Flat-plate type photobioreactor |
| CN204005739U (en) * | 2014-08-28 | 2014-12-10 | 陕西众森电能科技有限公司 | A kind of LED array light source dodging device |
| CN205850821U (en) * | 2015-12-25 | 2017-01-04 | 哈尔滨工业大学深圳研究生院 | A kind of modular optical reactor based on LED point light source |
-
2015
- 2015-12-25 CN CN201510998731.4A patent/CN105400681B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101679930A (en) * | 2007-06-01 | 2010-03-24 | 瓦克化学股份公司 | Photoreactor |
| CN102203233A (en) * | 2008-08-01 | 2011-09-28 | 藻类技术(英国)有限公司 | Algae growth system |
| CN102876561A (en) * | 2011-07-14 | 2013-01-16 | 中国科学院过程工程研究所 | Airlift photobioreactor for realizing microalga flash effect |
| CN204005739U (en) * | 2014-08-28 | 2014-12-10 | 陕西众森电能科技有限公司 | A kind of LED array light source dodging device |
| CN104195033A (en) * | 2014-09-09 | 2014-12-10 | 青岛汇君环境能源工程有限公司 | Flat-plate type photobioreactor |
| CN205850821U (en) * | 2015-12-25 | 2017-01-04 | 哈尔滨工业大学深圳研究生院 | A kind of modular optical reactor based on LED point light source |
Non-Patent Citations (1)
| Title |
|---|
| 流化床-石英光纤光催化装置的建立及其应用;林松雪;《中国优秀硕士学位论文全文数据库》;20110515(第6期);2.4光纤光源的设计，第16-21页 |
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Address after: 518000 Taoyuan Street, Nanshan District, Shenzhen City, Guangdong Province Patentee after: HARBIN INSTITUTE OF TECHNOLOGY (SHENZHEN) Address before: 518000 Guangdong Shenzhen Nanshan District Xili Town, Shenzhen University City, Harbin Industrial University Campus Patentee before: HARBIN INSTITUTE OF TECHNOLOGY SHENZHEN GRADUATE SCHOOL |