CN109745937B - Two-dimensional photocatalytic fluidized bed device - Google Patents
Two-dimensional photocatalytic fluidized bed device Download PDFInfo
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- CN109745937B CN109745937B CN201910209565.3A CN201910209565A CN109745937B CN 109745937 B CN109745937 B CN 109745937B CN 201910209565 A CN201910209565 A CN 201910209565A CN 109745937 B CN109745937 B CN 109745937B
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Abstract
The invention relates to a two-dimensional photocatalytic fluidized bed device, which comprises a plurality of two-dimensional fluidized beds which are distributed side by side and made of transparent materials, wherein a reaction area of each two-dimensional fluidized bed is filled with a light guide part, and a light source is arranged between every two adjacent two-dimensional fluidized beds; utilize two-dimensional fluidized bed to have the advantage that the wall is thin, be favorable to the ingestion of light, reduce light loss, and at the reaction zone of two-dimensional fluidized bed packing leaded light spare, then can strengthen leaded light nature greatly. The invention has simple and reasonable structure and solves the problems of low light utilization rate and low catalytic efficiency of the traditional fluidized bed.
Description
The technical field is as follows:
the invention relates to a two-dimensional photocatalytic fluidized bed device.
Background art:
the packing form of the catalytic reactor is divided into fixed bed packing and fluidized bed packing, and for photocatalytic reaction, incident light in the fixed bed packing form cannot penetrate through the inside of a bed layer, so that the defects of low light utilization rate, incapability of realizing continuous operation and the like exist.
In the traditional photocatalytic fluidized bed device, the shell of the fluidized bed is thick, so that the light is not favorably shot; in addition, the traditional photocatalytic fluidized bed device is mostly a single fluidized bed, and the problem of small batch processing amount exists; however, in the conventional studies, the studies for enhancing the light guiding property are lacking, so that the light utilization rate is not high and the catalytic effect is not good enough.
The invention content is as follows:
the invention aims at solving the problems in the prior art, namely, the invention aims to provide a two-dimensional photocatalytic fluidized bed device which is reasonable in structural design and can effectively improve the light utilization rate and the catalytic efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a two-dimentional photocatalysis fluidized bed device, includes the two-dimentional fluidized bed that a plurality of distributes side by side and was made by transparent material, be filled with leaded light spare in the reaction zone of two-dimentional fluidized bed, be equipped with the light source between two adjacent two-dimentional fluidized beds.
Furthermore, the bottom end of the two-dimensional fluidized bed is provided with a gas buffer chamber which is communicated with the reaction area of the two-dimensional fluidized bed and is used for injecting gas, and the gas buffer chambers of the two-dimensional fluidized beds are communicated through pipelines.
Furthermore, a gas distributor is arranged above the gas buffer chamber.
Further, both sides wall of gas buffer room is equipped with air inlet and gas outlet respectively, between the gas buffer room of two adjacent two-dimensional fluidized beds, the gas outlet of the gas buffer room that is located the place ahead is linked together through the air inlet of the gas buffer room that is located the rear through the pipeline.
Further, the light source is distributed between two adjacent two-dimensional fluidized beds.
Further, the light source is an ultraviolet lamp.
Furthermore, the material of the two-dimensional fluidized bed is transparent organic glass.
Further, the light guide member is granular transparent quartz glass.
Further, the reaction zone of the two-dimensional fluidized bed is rectangular.
Compared with the prior art, the invention has the following effects: (1) the advantage that the two-dimensional fluidized bed has a thin wall is utilized, so that the light can be favorably absorbed, and the light loss is reduced; (2) the ultraviolet light sources are distributed between two adjacent two-dimensional fluidized beds, so that the materials in the two-dimensional fluidized beds are fully illuminated, the light receiving surface of the photocatalyst is uniform, and the catalysis efficiency is high; (3) the light guide part is filled in the two-dimensional fluidized bed, so that the light guide property is greatly enhanced; (4) the invention has simple and reasonable structure, can adjust the number of the two-dimensional fluidized beds according to the requirement and provides convenient conditions for the amplification of the reactor.
Description of the drawings:
FIG. 1 is a schematic construction of an embodiment of the present invention;
FIG. 2 is a schematic view showing the construction of a two-dimensional fluidized bed in the present invention.
In the figure:
1-a two-dimensional fluidized bed; 2-a light source; 3-a gas buffer chamber; 4-a reaction zone; 5-a gas distributor; 6-an air inlet; 7-air outlet.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-2, the two-dimensional photocatalytic fluidized bed apparatus of the present invention includes a plurality of two-dimensional fluidized beds 1 which are distributed side by side and made of transparent material, the two-dimensional fluidized beds are vertically disposed, a reaction region 4 of each two-dimensional fluidized bed 1 is filled with a light guide member, and a light source 2 is disposed between two adjacent two-dimensional fluidized beds 1. Utilize two-dimensional fluidized bed to have the advantage that the wall is thin, be favorable to the ingestion of light, reduce light loss, and at the reaction zone of two-dimensional fluidized bed packing leaded light spare, then can strengthen leaded light nature greatly.
In this embodiment, a gas buffer chamber 3 communicated with a reaction zone 5 of the two-dimensional fluidized bed 1 and used for injecting gas is arranged at the bottom end of the two-dimensional fluidized bed 1, and the gas enters from the gas buffer chamber 3 at the bottom end and flows out from the upper end of the two-dimensional fluidized bed 1 after passing through a reaction zone 4, that is, the gas enters from the bottom and goes out from the top; the gas buffer chambers 3 of the two-dimensional fluidized beds 1 are communicated with each other via pipes.
In this embodiment, a gas distributor 5 is disposed above the gas buffer chamber 3, so that the introduced gas can uniformly enter the reaction region.
In this embodiment, both sides wall of gas buffer chamber 3 is equipped with air inlet 6 and gas outlet 7 respectively, between the gas buffer chamber 3 of two adjacent two-dimensional fluidized beds 1, the gas outlet 6 of the gas buffer chamber 3 that is located the place ahead is linked together through the air inlet 7 of the gas buffer chamber 3 that is located the rear through the pipeline, realizes that a plurality of two-dimensional fluidized bed passes through the gas port of gas buffer chamber and establishes ties together.
In this embodiment, the light sources 2 are distributed between two adjacent two-dimensional fluidized beds 1, so that the materials in the two-dimensional fluidized beds are sufficiently illuminated, the light receiving surface of the photocatalyst is uniform, and the catalytic efficiency is high.
In this embodiment, the light source 2 is an ultraviolet lamp.
In this embodiment, the material of the two-dimensional fluidized bed 1 is transparent organic glass.
In the embodiment, the light guide member is granular transparent quartz glass, the particle size is distributed in tens to hundreds of microns, the material has high temperature resistance, excellent chemical stability and optimal ultraviolet-transmitting spectrum performance, and is filled in a fluidized bed together with a photocatalyst, so that the light guide property is enhanced.
In this embodiment, the reaction zone of the two-dimensional fluidized bed is rectangular.
The working principle of the embodiment is as follows: gas enters from a gas inlet 6 of a gas buffer chamber 3 at the bottom of the two-dimensional fluidized bed 1, a part of the gas enters a rectangular reaction zone 4 through a gas distributor 5, fully reacts with a photocatalyst by ultraviolet irradiation in the zone, and is finally discharged from a gas outlet at the top end of the two-dimensional fluidized bed 1; the other part of the gas in the gas buffer chamber 3 flows out from the gas outlet 7 and enters the gas inlet 6 of the gas buffer chamber 3 at the bottom of the adjacent two-dimensional fluidized bed 1, and the operation in the previous two-dimensional fluidized bed is repeated in the two-dimensional fluidized bed; and circulating in sequence.
Compared with the traditional cylindrical fluidized bed, the two-dimensional fluidized bed has the advantage of thin wall, is beneficial to the shooting of light rays and reduces the light ray loss; the ultraviolet lamps are distributed between two adjacent fluidized beds in parallel, so that the materials in the fluidized beds are fully illuminated, the light receiving area of the photocatalyst is uniform, and the catalysis efficiency is high; the light guide property is greatly enhanced by adding the transparent quartz glass; in practical application, the number of the fluidized beds can be adjusted according to the scale, and convenient conditions are provided for the amplification of the reactor.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (7)
1. A two-dimensional photocatalytic fluidized bed device is characterized in that: the device comprises a plurality of two-dimensional fluidized beds which are distributed side by side and made of transparent materials, wherein a reaction area of each two-dimensional fluidized bed is filled with a light guide part, and a light source is arranged between every two adjacent two-dimensional fluidized beds; the bottom end of the two-dimensional fluidized bed is provided with a gas buffer chamber which is communicated with the reaction area of the two-dimensional fluidized bed and is used for injecting gas, and the gas buffer chambers of the two-dimensional fluidized beds are communicated through pipelines; and the gas outlet of the gas buffer chamber positioned in the front is communicated with the gas inlet of the gas buffer chamber positioned at the rear through a pipeline between the gas buffer chambers of the two adjacent two-dimensional fluidized beds.
2. A two-dimensional photocatalytic fluidized bed apparatus as set forth in claim 1, characterized in that: and a gas distributor is arranged above the gas buffer chamber.
3. A two-dimensional photocatalytic fluidized bed apparatus as set forth in claim 1, characterized in that: the light source is distributed between two adjacent two-dimensional fluidized beds.
4. A two-dimensional photocatalytic fluidized bed apparatus according to claim 1 or 3, characterized in that: the light source is an ultraviolet lamp.
5. A two-dimensional photocatalytic fluidized bed apparatus as set forth in claim 1, characterized in that: the material of the two-dimensional fluidized bed is transparent organic glass.
6. A two-dimensional photocatalytic fluidized bed apparatus as set forth in claim 1, characterized in that: the light guide member is granular transparent quartz glass.
7. A two-dimensional photocatalytic fluidized bed apparatus as set forth in claim 1, characterized in that: the reaction zone of the two-dimensional fluidized bed is rectangular.
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| CN201910209565.3A CN109745937B (en) | 2019-03-19 | 2019-03-19 | Two-dimensional photocatalytic fluidized bed device |
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| CN109745937B true CN109745937B (en) | 2021-03-02 |
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| CN111013502A (en) * | 2020-01-20 | 2020-04-17 | 福州大学 | Three-dimensional photocatalysis annular fluidized bed device |
Citations (6)
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| CN1478586A (en) * | 2002-08-29 | 2004-03-03 | 中国科学院过程工程研究所 | New type multifunction dual-dimension gas-solid gas-liquid coupling fluidized bed photo catalysis air purifying system |
| CN102689940A (en) * | 2011-12-13 | 2012-09-26 | 河南科技大学 | Fluidized bed photocatalysis reactor and gas distributor thereof |
| CN202725026U (en) * | 2012-06-30 | 2013-02-13 | 耿启金 | Device capable of utilizing jet intensified tube type fluidized bed to treat industrial waste gas by photocatalysis |
| CN104607114A (en) * | 2014-07-01 | 2015-05-13 | 新疆兵团现代绿色氯碱化工工程研究中心(有限公司) | Apparatus and process for producing chlorinated high polymer |
| CN106925190A (en) * | 2017-05-03 | 2017-07-07 | 北京清诚华宇科技有限公司 | A kind of gas-solid fluidized bed reaction system and its application process |
| CN107115829A (en) * | 2017-05-16 | 2017-09-01 | 北京清诚华宇科技有限公司 | Laser induced recirculating fluidized bed produces the device and method of haloflex |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7547418B2 (en) * | 2004-01-23 | 2009-06-16 | Gm Global Technology Operations, Inc. | Fluidized-bed reactor system |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1478586A (en) * | 2002-08-29 | 2004-03-03 | 中国科学院过程工程研究所 | New type multifunction dual-dimension gas-solid gas-liquid coupling fluidized bed photo catalysis air purifying system |
| CN102689940A (en) * | 2011-12-13 | 2012-09-26 | 河南科技大学 | Fluidized bed photocatalysis reactor and gas distributor thereof |
| CN202725026U (en) * | 2012-06-30 | 2013-02-13 | 耿启金 | Device capable of utilizing jet intensified tube type fluidized bed to treat industrial waste gas by photocatalysis |
| CN104607114A (en) * | 2014-07-01 | 2015-05-13 | 新疆兵团现代绿色氯碱化工工程研究中心(有限公司) | Apparatus and process for producing chlorinated high polymer |
| CN106925190A (en) * | 2017-05-03 | 2017-07-07 | 北京清诚华宇科技有限公司 | A kind of gas-solid fluidized bed reaction system and its application process |
| CN107115829A (en) * | 2017-05-16 | 2017-09-01 | 北京清诚华宇科技有限公司 | Laser induced recirculating fluidized bed produces the device and method of haloflex |
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