CN104324672B - A kind of swing folded plate type photocatalytic reaction device - Google Patents
A kind of swing folded plate type photocatalytic reaction device Download PDFInfo
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- CN104324672B CN104324672B CN201410556956.XA CN201410556956A CN104324672B CN 104324672 B CN104324672 B CN 104324672B CN 201410556956 A CN201410556956 A CN 201410556956A CN 104324672 B CN104324672 B CN 104324672B
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- flap
- urceolus
- magnetic iron
- plate type
- folded plate
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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
- B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
- B01J8/08—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with moving particles
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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
- B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
- B01J2208/00796—Details of the reactor or of the particulate material
- B01J2208/00823—Mixing elements
- B01J2208/00831—Stationary elements
- B01J2208/0084—Stationary elements inside the bed, e.g. baffles
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Abstract
A kind of swing folded plate type photocatalytic reaction device, this device comprises cylinder urceolus, flap, light source, arcuate permanent magnetic iron, permanent magnet, ceramic filter, device urceolus, described flap comprises two symmetrical reaction chambers, an air inlet, a gas outlet, and wherein air inlet is also import and the outlet of catalyst interpolation; Described flap is arranged on cylinder urceolus center, and light source is arranged on cylinder urceolus; Described arcuate permanent magnetic iron is fixed on flap two ends, and permanent magnet is fixed on the device urceolus corresponding with flap two ends arcuate permanent magnetic iron; Device urceolus is driven by motor by belt, thus drives permanent magnet rotate and drive arcuate permanent magnetic iron to rotate together with flap, and permanent magnet and arcuate permanent magnetic iron are the magnetic force attracted each other, and cylinder urceolus does not rotate with flap.This device, under the drive of motor, realizes flap and swings, realize the stirring of catalyst, solves vibrations and accurate orientation problem in mechanical agitation, can larger catalyst and light source contacts area.
Description
Technical field
The present invention relates to a kind of photocatalysis experiment reaction unit, belong to photocatalysis apparatus field.
Background technology
Photocatalysis technology is the new technology that 20 century 70s grow up, and photocatalysis is the catalytic oxidation-reduction reaction promoting reactant to carry out under illumination condition based on photochemical catalyst.Valence band (the ValenceBand of semiconductor light-catalyst, and conduction band (ConductionBand VB), CB) there is a forbidden band (ForbiddenBand between, BandGap), when photon energy is penetrated higher than the illumination of semiconductor energy gap, the valence-band electrons generation band-to-band transition of catalyst, transits to conduction band from valence band, thus produces light induced electron (e-) and hole (h+).Light induced electron (e-) has extremely strong reproducibility, as: the oxygen trapped electron being adsorbed on catalyst surface can be made to form superoxide anion O
2 2-, oxygen molecular ion O
2 -; And photohole has extremely strong oxidisability.Because having, catalytic activity is high, stable chemical nature, reaction temperature are low and selective high advantage and receiving much concern in photocatalysis.Photocatalysis technology to purification of air, decompose Organic substance in water, antibacterial and deodouring, generation clean energy resource have tremendous contribution, have an immense impact in protection of the environment with in being good for one's health.
Photocatalysis technology is divided into: Gu gas-solid composite photocatalyst, liquid-solid composite photocatalyst, solid-composite photocatalyst.
Current gas-solid composite photocatalyst operation, be generally stick to glass surface after first being disperseed by catalyst ethanol, such advantage is that illuminating area is known, but shortcoming is catalyst can not be contacted very well with reactant, catalyst surface can not upgrade, and catalyst utilization is low.In order to reduce above-mentioned defect when this kind of reactor uses, often adopt intermittent reaction.Catalyst interface can be allowed to upgrade and to improve reaction rate and the efficiency of light energy utilization, catalyst, reactant and optical energy charging be divided contact to realize successive reaction this respect and but have not been reported.
Summary of the invention
Swing folded plate type photocatalytic reaction device of the present invention overcomes above-mentioned deficiency.First, the present invention uses magnetic force to swing, and realizes the stirring of catalyst, can larger catalyst and light source contacts area; Again, the present invention adopts folded plate type oscillating bed, and catalyst surface can be made to upgrade, and increases reaction rate, improves the efficiency of light energy utilization; Finally, flap of the present invention is thin, and space is little, and reactant can be made fully to contact with catalyst.
For achieving the above object, technical solution of the present invention is for swinging folded plate type photocatalytic reaction device, this device comprises cylinder urceolus (1), flap (2), light source (3), arcuate permanent magnetic iron (4), permanent magnet (5), ceramic filter (9), device urceolus (8), described flap (2) comprises two symmetrical reaction chambers, an air inlet (6), a gas outlet (7), and wherein air inlet (6) is also import and the outlet of catalyst interpolation; Described flap (2) is arranged on cylinder urceolus (1) center, and light source (3) is arranged on cylinder urceolus (1); Described arcuate permanent magnetic iron (4) is fixed on flap (2) two ends, and permanent magnet (5) is fixed on the device urceolus (8) corresponding with flap (2) two ends arcuate permanent magnetic iron (4); Device urceolus (8) is driven by motor by belt, thus drive permanent magnet (5) rotate and drive arcuate permanent magnetic iron (4) to rotate together with flap (2), permanent magnet (5) and arcuate permanent magnetic iron (4) magnetic force for attracting each other, cylinder urceolus (1) does not rotate with flap (2).
Described cylinder urceolus (1), for cylindrical and sector notch structure is left in side, prevents flap (2) pendulum angle excessive and makes catalyst buildup, can not tile; There is angle theta in two symmetric response chambeies of flap (2), 140 ° of < θ <145 °, air inlet (6), gas outlet (7) are placed in flap (2) along two ends, cylinder urceolus (1) central rotating shaft direction; Ceramic filter (9) is arranged on gas outlet (7) place and prevents the catalyst in flap (2) from flowing out.
Described cylinder urceolus (1), flap (2) are silica glass material; Flap (2) is thin-walled material.
Described light source (3) is controllable light source, can experimentally require to exchange, as incandescent lamp, fluorescent lamp, uviol lamp.
Described arcuate permanent magnetic iron (4) and permanent magnet (5), on same straight line, can drive arcuate permanent magnetic iron (4) to swing along cylinder urceolus 1 inwall by permanent magnet (5).
Swing folded plate type photocatalytic reaction device application forward and backward motor provided by the invention, electric machine rotation angle adjustable.
Swing folded plate type photocatalytic reaction device provided by the invention, described flap (2) pendulum angle (taking horizontal plane as benchmark) :-45 ° ~+85 °, flap (2) angle: 140 ° ~ 145 ° these angles can ensure that catalyst can be paved and ensure that flap (2) can not encounter light source (3) on flap, thus larger catalyst is by illuminating area, strengthen rate of catalysis reaction.
Swing folded plate type photocatalytic reaction device provided by the invention, has the following advantages:
1, swing folded plate type photocatalytic reaction device application arcuate permanent magnetic iron provided by the invention and permanent magnet are under the drive of motor, realize flap to swing, realize the stirring of catalyst, solve vibrations and accurate orientation problem in mechanical agitation, can larger catalyst and light source contacts area.
2, swing folded plate type photocatalytic reaction device provided by the invention is swung by magnetic force, improves the contact area of catalyst and luminous energy, improves the efficiency of light energy utilization.
3, swing folded plate type photocatalytic reaction device provided by the invention adopts folded plate type to swing, and achieves the object that catalyst surface upgrades, improves reaction rate.
4, swing folded plate type photocatalytic reaction device provided by the invention utilizes ceramic filter, prevents the object that catalyst flows out in reaction and swing process.
Accompanying drawing explanation
Fig. 1 is the structure chart of swing folded plate type photocatalytic reaction device provided by the invention.
Fig. 2 is the stereogram of swing folded plate type photocatalytic reaction device provided by the invention.
Fig. 3 is the fundamental diagram of driven by motor permanent magnet.
In figure: 1, cylinder urceolus, 2, flap, 3, light source, 4, arcuate permanent magnetic iron, 5, permanent magnet, 6, air inlet, 7, gas outlet, 8, device urceolus, 9, ceramic filter.
Detailed description of the invention
As Figure 1-3, this device is that implementation step is as follows,
1) air inlet 6 loading catalyst, is opened.
2), open motor, permanent magnet 5 drives flap 2 to swing.
3), from air inlet 6 pass into reaction gas, open gas outlet 7 and keep gas to circulate.
4), open light source 3, catalyst and reacting gas fully react.
5), reaction terminate after, pass into a certain amount of inert gas question response gas all from gas outlet 7 flow out after, disable motor and light source 3.
6), open air inlet 6, take out used catalyst.
Claims (7)
1. swing folded plate type photocatalytic reaction device, it is characterized in that: this device comprises cylinder urceolus (1), flap (2), light source (3), arcuate permanent magnetic iron (4), permanent magnet (5), ceramic filter (9), device urceolus (8), described flap (2) comprises two symmetrical reaction chambers, an air inlet (6), a gas outlet (7), and wherein air inlet (6) is also import and the outlet of catalyst interpolation; Described flap (2) is arranged on cylinder urceolus (1) center, and light source (3) is arranged on cylinder urceolus (1); Described arcuate permanent magnetic iron (4) is fixed on flap (2) two ends, and permanent magnet (5) is fixed on the device urceolus (8) corresponding with flap (2) two ends arcuate permanent magnetic iron (4); Device urceolus (8) is driven by motor by belt, thus drive permanent magnet (5) rotate and drive arcuate permanent magnetic iron (4) to rotate together with flap (2), permanent magnet (5) and arcuate permanent magnetic iron (4) magnetic force for attracting each other, cylinder urceolus (1) does not rotate with flap (2);
Described cylinder urceolus (1) is for cylindrical and sector notch structure is left in side; There is angle theta in two symmetric response chambeies of flap (2), 140 ° of < θ <145 °, air inlet (6), gas outlet (7) are placed in flap (2) along two ends, cylinder urceolus (1) central rotating shaft direction; Ceramic filter (9) is arranged on gas outlet (7) place and prevents the catalyst in flap (2) from flowing out.
2. swing folded plate type photocatalytic reaction device according to claim 1, is characterized in that: described cylinder urceolus (1), flap (2) are silica glass material; Flap (2) is thin-walled material.
3. swing folded plate type photocatalytic reaction device according to claim 1, is characterized in that: described light source (3) is controllable light source, can experimentally require to exchange, as incandescent lamp, fluorescent lamp, uviol lamp.
4. swing folded plate type photocatalytic reaction device according to claim 1, it is characterized in that: described arcuate permanent magnetic iron (4) and permanent magnet (5), on same straight line, can drive arcuate permanent magnetic iron (4) to swing along cylinder urceolus (1) inwall by permanent magnet (5).
5. swing folded plate type photocatalytic reaction device according to claim 1, is characterized in that: swing folded plate type photocatalytic reaction device application forward and backward motor, electric machine rotation angle adjustable.
6. swing folded plate type photocatalytic reaction device according to claim 1, is characterized in that: described flap (2) pendulum angle :-45 ° ~+85 °, flap (2) angle: 140 ° ~ 145 °.
7. swing folded plate type photocatalytic reaction device according to claim 1, is characterized in that: this device implementation step is as follows,
1) air inlet (6) loading catalyst, is opened;
2), open motor, permanent magnet (5) drives flap (2) to swing;
3), from air inlet (6) pass into reaction gas, open gas outlet (7) and keep gas circulation;
4), open light source (3), catalyst and reacting gas fully react;
5), reaction terminate after, pass into a certain amount of inert gas question response gas all from gas outlet (7) flow out after, disable motor and light source (3);
6), open air inlet (6), take out used catalyst.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556956.XA CN104324672B (en) | 2014-10-20 | 2014-10-20 | A kind of swing folded plate type photocatalytic reaction device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410556956.XA CN104324672B (en) | 2014-10-20 | 2014-10-20 | A kind of swing folded plate type photocatalytic reaction device |
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| CN104324672A CN104324672A (en) | 2015-02-04 |
| CN104324672B true CN104324672B (en) | 2016-04-20 |
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| US20070025889A1 (en) * | 2005-07-28 | 2007-02-01 | Pcbu Business Services, Inc. | Reactors, reactor assemblies and production processes |
| CN201291134Y (en) * | 2008-09-24 | 2009-08-19 | 中国科学院广州地球化学研究所 | Gas solid phase fixation-bed photocatalytic reactor |
| CN102481542B (en) * | 2009-07-03 | 2015-01-14 | Lg化学株式会社 | Polymerization reactor for producing a super absorbent polymer and method for producing a super absorbent polymer using the polymerization reactor |
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