CN105214585A - Atomization type photocatalytic hydrogen production by water decomposition device - Google Patents
Atomization type photocatalytic hydrogen production by water decomposition device Download PDFInfo
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- CN105214585A CN105214585A CN201510710733.9A CN201510710733A CN105214585A CN 105214585 A CN105214585 A CN 105214585A CN 201510710733 A CN201510710733 A CN 201510710733A CN 105214585 A CN105214585 A CN 105214585A
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- reflection cap
- atomizer
- hollow hemisphere
- circulating line
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/36—Hydrogen production from non-carbon containing sources, e.g. by water electrolysis
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Abstract
Atomization type photocatalytic hydrogen production by water decomposition device, an enclosed construction is formed by reflection cap and hollow hemisphere, hollow hemisphere is fixed on casing, hollow hemisphere outlet at bottom connects pump inlet by circulating line, circulating line outlet extend into reflection cap inside, atomizer is connected in circulating line outlet, ultraviolet LED lamp source is fixed on atomizer, reflection cap there is nitrogen inlet, condenser pipe is connected at reflection cap top, and condenser pipe outlet is as gas vent, and hollow hemisphere is connected to air gauge.Reactant liquor and catalyst granules process through being atomized by the present invention, improve the efficiency of photocatalysis water hydrogen manufacturing.
Description
Technical field
The present invention relates to the photocatalytic hydrogen production by water decomposition device of a kind of photocatalytic hydrogen production by water decomposition device, particularly a kind of atomization type, belong to light-catalyzed reaction field.
Background technology
Current photocatalytic hydrogen production by water decomposition reaction is generally all carried out in the middle of the aqueous solution, be generally: internal radiation type reactor, side irradiation type reactor and top irradiation type reactor, these device ubiquity two problems: one is react substantially all in the middle of the aqueous solution, when catalyst solubility is larger, mutually block between catalyst granules, cause partially catalyzed agent particle hydrogen production efficiency low, although people use some devices or the methods such as magnetic stirring apparatus, accelerate catalyst granules motion in aqueous, but can't resolve the problem that partially catalyzed agent is blocked, two is use nitrogen to get rid of this mode of water oxygen gas, needs the long period.
Summary of the invention
The object of the invention is to the above-mentioned shortcoming and defect improving existing photocatalytic hydrogen production by water decomposition reaction unit, thus provide a kind of and can increase catalyst granules sensitive surface and available nitrogen efficiently removes the photocatalytic hydrogen production by water decomposition device of oxygen in water.
Photocatalytic hydrogen production by water decomposition device of the present invention forms an enclosed construction by reflection cap and hollow hemisphere, hollow hemisphere is fixed on casing, hollow hemisphere outlet at bottom connects pump inlet by circulating line, circulating line outlet extend into reflection cap inside, atomizer is connected in circulating line outlet, ultraviolet LED lamp source is fixed on atomizer, reflection cap there is nitrogen inlet, condenser pipe is connected at reflection cap top, and condenser pipe outlet is as gas vent, and hollow hemisphere is connected to air gauge.
Described reflection cap is paraboloid of revolution structure, and reflection cap inner surface scribbles reflecting coating;
Described atomizer is fixed on reflection cap inside by circulating line, the axis of atomizer and the axis coinciding of reflection cap, and the top of atomizer is in the parabolic focus of reflection cap;
The circuit of described ultraviolet LED lamp source is by encapsulation process, and light source center is circular hole, and light source through this circular hole, and is fixed in the paraboloidal focus of reflection cap by atomizer.
Beneficial effect of the present invention is as follows:
1, catalyst and water process by being atomized by the present invention, can effectively increase photocatalytic activity center, are conducive to reducing influencing each other between catalyst, are beneficial to the output of hydrogen.
2, by water smoke form, increase the dispersion effect to light, make more catalysed particulate light participate in reaction and effectively can reduce reaction temperature; When passing into nitrogen, the oxygen in water can be discharged, and adding the inhibitory action to back reaction.
3, adopt ultraviolet LED lamp source, hydrogen manufacturing experiment can be carried out at any time, and contrast experiment can be under same light source condition; Under the catalyst of same concentrations and the condition of same light source, carry out photocatalytic hydrogen production by water decomposition test, atomised form photocatalytic hydrogen production by water decomposition device more effective than traditional form.
Accompanying drawing explanation
Fig. 1 is atomization type photocatalytic hydrogen production by water decomposition apparatus structure schematic diagram of the present invention.
Fig. 2 is the front view of circulating line exit portion of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows:
1, reflection cap, 2, hollow hemisphere, 3, casing, 4, circulating pump, 5, circulating line, 6, condenser pipe, 7, atomizer, 8, ultraviolet LED lamp source, 9, nitrogen inlet, 10, air gauge.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
As shown in Figure 1, atomization type photocatalytic hydrogen production by water decomposition device of the present invention forms an enclosed construction by reflection cap 1 and hollow hemisphere 2, hollow hemisphere 2 outlet at bottom connects circulating pump 4 import by circulating line 5, it is inner that circulating line 5 outlet extend into reflection cap 1, atomizer 7 is connected in circulating line 5 outlet, ultraviolet LED lamp source 8 is fixed on atomizer 7, reflection cap 1 has nitrogen inlet 9, condenser pipe 6 is connected at reflection cap 1 top, and condenser pipe 6 exports as gas vent, hollow hemisphere 2 is connected to air gauge 10.
Wherein:
Described reflection cap 1 is paraboloid of revolution structure, and material is lucite, and reflection cap inner surface scribbles reflecting coating;
Described reflection cap 1 and hollow hemisphere 2 by sealing gasket pressing, and are compressed by screw;
It is inner that described atomizer is fixed on reflection cap 1 by circulating line 5, and the axis of atomizer 7 is perpendicular to horizontal plane, and the top of atomizer 7 is in the paraboloidal focus of seal cover;
Described ultraviolet LED lamp source 8 is the annular array of a circle ultraviolet LED lamp, number of arrays is 6, the power of ultraviolet LED lamp source 8 is 15W, the circuit of ultraviolet LED passes through encapsulation process, ultraviolet LED lamp source 8 center is circular hole, ultraviolet LED lamp source 8 through this circular hole, and is fixed in the paraboloidal focus of reflection cap 1 by atomizer 7.
Cadmium sulfide particle is put in the middle of lactic acid aqueous solution, wherein cadmium sulfide granular mass is 10 grams, cadmium sulfide particle diameter is 1 ~ 60 micron, the volumetric concentration of lactic acid aqueous solution is 10v%, volume is 600 milliliters, temperature is room temperature, and uses ultrasonic disperse catalyst, reactant liquor is put into atomization type photocatalytic hydrogen production by water decomposition device afterwards; First circulating pump is opened, then pass into nitrogen 40 minutes, the oxygen in water and in container, air are discharged by condenser pipe; Slowly closing nitrogen inlet again, until close nitrogen inlet and gas vent when air gauge real number reaches standard atmospheric pressure.Open ultraviolet LED lamp source, carry out the irradiation of 1 hour, 1.5 hours, 2 hours, 2.5 hours, 3 hours, 3.5 hours, 4 hours respectively, five different hydrogen irradiated collected by duration are loaded from different gas bottle.Meanwhile carry out contrast experiment by traditional photocatalytic hydrogen production by water decomposition mode of top irradiation type, wherein catalyst granules quality is all identical with size, deionized water concentration and volume, light source parameters etc., also carry out the irradiation of 1 hour, 1.5 hours, 2 hours, 2.5 hours, 3 hours, 3.5 hours, 4 hours respectively, five different hydrogen irradiated collected by duration are loaded in different gas bottles.The hydrogen content in each gas bottle is detected respectively finally by gas chromatograph.
Table 1 two kinds of device hydrogen output contrasts
As shown in table 1, wherein device one is atomization type photocatalysis Decomposition device for producing hydrogen of the present invention, and device two is traditional photocatalytic hydrogen production by water decomposition device of top irradiation type.Under the same reaction conditions known by table 1, the average hydrogen-producing speed of atomization type photocatalytic hydrogen production by water decomposition device of the present invention is 0.34mmolh
-1g
-1(mmol is mM, and h is hour, g be gram), the average hydrogen-producing speed of traditional photocatalytic hydrogen production by water decomposition device of top irradiation type is 0.23mmolh
-1g
-1(mmol is mM, and h is hour, g be gram), by contrast, atomization type photocatalytic hydrogen production by water decomposition unit efficiency of the present invention is higher.
Claims (4)
1. atomization type photocatalytic hydrogen production by water decomposition device, it is characterized in that, an enclosed construction is formed by reflection cap and hollow hemisphere, hollow hemisphere is fixed on casing, hollow hemisphere outlet at bottom connects pump inlet by circulating line, circulating line outlet extend into reflection cap inside, atomizer is connected in circulating line outlet, ultraviolet LED lamp source is fixed on atomizer, reflection cap there is nitrogen inlet, be connected to condenser pipe at reflection cap top, and condenser pipe outlet is as gas vent, and hollow hemisphere is connected to air gauge.
2. device according to claim 1, is characterized in that, described reflection cap is paraboloid of revolution structure, and reflection cap inner surface scribbles reflecting coating.
3. device according to claim 1, is characterized in that, described atomizer is fixed on reflection cap inside by circulating line, the axis of atomizer and the axis coinciding of reflection cap, and the top of atomizer is in the parabolic focus of reflection cap.
4. device according to claim 1, is characterized in that, the circuit of described ultraviolet LED lamp source is by encapsulation process, and light source center is circular hole, and light source through this circular hole, and is fixed in the paraboloidal focus of reflection cap by atomizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510710733.9A CN105214585A (en) | 2015-10-27 | 2015-10-27 | Atomization type photocatalytic hydrogen production by water decomposition device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510710733.9A CN105214585A (en) | 2015-10-27 | 2015-10-27 | Atomization type photocatalytic hydrogen production by water decomposition device |
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| CN105214585A true CN105214585A (en) | 2016-01-06 |
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| CN201510710733.9A Pending CN105214585A (en) | 2015-10-27 | 2015-10-27 | Atomization type photocatalytic hydrogen production by water decomposition device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369627A (en) * | 2021-07-01 | 2021-09-10 | 广东省科学院中乌焊接研究所 | Welding equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068954A (en) * | 2009-11-24 | 2011-05-25 | 中国科学院物理研究所 | Method and device for photocatalytic reaction |
| CN103241710A (en) * | 2013-05-16 | 2013-08-14 | 桂林电子科技大学 | Integrated hydrogen supply device integrating hydrogen production and hydrogen storage |
-
2015
- 2015-10-27 CN CN201510710733.9A patent/CN105214585A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102068954A (en) * | 2009-11-24 | 2011-05-25 | 中国科学院物理研究所 | Method and device for photocatalytic reaction |
| CN103241710A (en) * | 2013-05-16 | 2013-08-14 | 桂林电子科技大学 | Integrated hydrogen supply device integrating hydrogen production and hydrogen storage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113369627A (en) * | 2021-07-01 | 2021-09-10 | 广东省科学院中乌焊接研究所 | Welding equipment |
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Application publication date: 20160106 |
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