CN109775660B - Alcohol water high-efficiency hydrogen production equipment - Google Patents
Alcohol water high-efficiency hydrogen production equipment Download PDFInfo
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- CN109775660B CN109775660B CN201910227447.5A CN201910227447A CN109775660B CN 109775660 B CN109775660 B CN 109775660B CN 201910227447 A CN201910227447 A CN 201910227447A CN 109775660 B CN109775660 B CN 109775660B
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- alcohol
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 56
- 239000001257 hydrogen Substances 0.000 title claims abstract description 50
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 50
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000003860 storage Methods 0.000 claims abstract description 26
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000006243 chemical reaction Methods 0.000 claims description 34
- 239000003054 catalyst Substances 0.000 claims description 16
- 238000005192 partition Methods 0.000 claims description 12
- 230000003197 catalytic effect Effects 0.000 claims description 7
- 230000003647 oxidation Effects 0.000 claims description 7
- 238000007254 oxidation reaction Methods 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 239000011259 mixed solution Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- CETPSERCERDGAM-UHFFFAOYSA-N ceric oxide Chemical compound O=[Ce]=O CETPSERCERDGAM-UHFFFAOYSA-N 0.000 description 1
- 229910000422 cerium(IV) oxide Inorganic materials 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229910001404 rare earth metal oxide Inorganic materials 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Landscapes
- Hydrogen, Water And Hydrids (AREA)
Abstract
An alcohol-water efficient hydrogen production device, wherein a heat exchange box is fixed on a tail gas exhaust pipe in a sealing way, and heat exchange plates are arranged in the heat exchange box; the two first electronic liquid pumps respectively pump mixed liquor of alcohol and water in the alcohol water tank into a first heat exchanger and a second heat exchanger respectively, a first air outlet pipe and a second air outlet pipe are respectively fixed on the heat exchange box bodies of the first heat exchanger and the second heat exchanger and communicated with each other, the first air outlet pipe is communicated with an air inlet nozzle of the first steam storage bottle, and the second air outlet pipe is communicated with the second steam storage bottle; the first steam storage bottle is communicated with a second air nozzle through a fourth air outlet pipe, the second air nozzle is communicated with a lower end cover, a second electromagnetic valve is arranged on the fourth air outlet pipe, a hydrogen feeding pipe is fixed on and communicated with the upper end cover, and the hydrogen feeding pipe is communicated with the hydrogen storage bottle; the central tube is communicated with an air inlet of the Stirling heat energy generator. The method fully utilizes the heat energy generated by alcohol-water combustion, improves the hydrogen production efficiency, reduces the hydrogen production cost, and is suitable for industrialized batch hydrogen production.
Description
Technical Field
The invention relates to the technical field of new energy hydrogen production, in particular to equipment for producing hydrogen by using alcohol water.
Background
CN106698342a discloses an alcohol-water hydrogen production device, which utilizes heat energy generated by tail gas of an alcohol-hydrogen-rich engine to enable alcohol-water vapor to generate hydrogen under the action of a hydrogen production catalyst. The defects are that: the tail gas of the alcohol-water engine has limited heat, and the heat energy utilization rate obtained by heat exchange of the tail gas pipe of the alcohol-water engine through the heat exchanger is lower, so that the hydrogen production cost is higher.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and provides alcohol-water efficient hydrogen production equipment which fully utilizes heat energy generated by alcohol-water combustion, improves hydrogen production efficiency, reduces hydrogen production cost and is suitable for industrial batch hydrogen production.
The technical solution of the invention is as follows:
the alcohol-water efficient hydrogen production equipment comprises an alcohol water tank and a Stirling heat energy generator, wherein a first heat exchanger and a second heat exchanger are fixed on a tail gas exhaust pipe of the Stirling heat energy generator, the structures of the first heat exchanger and the second heat exchanger are the same, a heat exchange plate is fixed on the tail gas exhaust pipe, the heat exchange box is fixed on the tail gas exhaust pipe in a sealing way, and the heat exchange plate is arranged in the heat exchange box;
the two first electronic liquid pumps respectively pump mixed liquor of alcohol and water in the alcohol water tank into a first heat exchanger and a second heat exchanger respectively, a first air outlet pipe and a second air outlet pipe are respectively fixed on the heat exchange boxes of the first heat exchanger and the second heat exchanger and are communicated with each other, the first air outlet pipe is communicated with an air inlet nozzle of the first steam storage bottle, and the second air outlet pipe is communicated with the second steam storage bottle;
the structure of the reaction device is as follows: the central tube is arranged in the outer tube, one end of the partition plate is formed on the outer wall of the central tube, the other end of the partition plate is formed on the inner wall of the outer tube, a plurality of outer reaction chambers are formed among the partition plate, the central tube and the outer tube, outer reaction chamber net plates are fixed at the upper end and the lower end of each outer reaction chamber, and hydrogen production catalysts are filled between the outer reaction chamber net plates at the upper end and the lower end; the central tube is fixed with a central tube upper screen plate and a central tube lower screen plate, and a catalytic oxidation catalyst is filled between the central tube upper screen plate and the central tube lower screen plate; an upper end cover is formed or fixed at the upper end of the outer tube, a lower end cover is formed or fixed at the lower end of the outer tube, and the central tube passes through the upper end cover and the lower end cover;
the air outlet pipe of the air pump is communicated with the lower part of the central pipe through a pipeline, the second steam storage bottle is communicated with the first air nozzle through a third air outlet pipe, a first electromagnetic valve is arranged on the third air outlet pipe, the first air nozzle is fixed on the central pipe, and the air outlet of the first air nozzle is positioned above the air outlet pipe of the air pump;
the first steam storage bottle is communicated with a second air nozzle through a fourth air outlet pipe, the second air nozzle is communicated with a lower end cover, a second electromagnetic valve is arranged on the fourth air outlet pipe, a hydrogen feeding pipe is fixed on and communicated with the upper end cover, and the hydrogen feeding pipe is communicated with the hydrogen storage bottle; the central tube is communicated with an air inlet of the Stirling heat energy generator; and pre-starting a second electronic liquid pump to pump the mixed liquid of the alcohol and the water in the alcohol water tank into the first air nozzle.
The plurality of reaction devices are arranged, the central tube of each reaction device is communicated with a first collecting pipe, and the first collecting pipe is communicated with the air inlet of the Stirling heat energy generator through a pipeline; the third air outlet pipe is communicated with a second collecting pipe, and the second collecting pipe is communicated with a first air nozzle of each reaction device; the fourth air outlet pipe is communicated with a third collecting pipe, and the third collecting pipe is communicated with a second air nozzle of each reaction device; and pre-starting a second electronic liquid pump to pump mixed liquid of alcohol and water in the alcohol water tank into a second collecting pipe.
The partition plates are distributed on the central pipe in an annular array by taking the center of the central pipe as the center, and the sizes of all the outer reaction chambers are the same.
The invention has the beneficial effects that:
the method fully utilizes the heat energy generated by alcohol-water combustion, improves the hydrogen production efficiency, reduces the hydrogen production cost, and is suitable for industrialized batch hydrogen production.
Drawings
FIG. 1 is a schematic structural diagram of embodiment 1 of the present invention;
FIG. 2 is a schematic view of a first heat exchanger portion;
FIG. 3 is a cross-sectional view of a reaction apparatus;
fig. 4 is a schematic structural diagram of embodiment 2.
In the figure: 1. an alcohol water tank; 2. a Stirling heat energy generator; 3. a first heat exchanger; 4. a second heat exchanger; 5. an electronic liquid pump; 6. a first vapor storage bottle; 7. a second vapor storage bottle; 8. a reaction device; 9. a hydrogen production catalyst; 10. a catalytic oxidation catalyst; 11. an upper end cap; 12. a lower end cap; 13. a third air outlet pipe; 14. a first air nozzle; 15. a first electromagnetic valve; 16. a fourth air outlet pipe; 17. a second air nozzle; 18. a second electromagnetic valve; 19. a hydrogen supply pipe; 20. a hydrogen storage cylinder; 21. a first header; 22. a second header; 23. a third header; 24. an air pump.
Detailed Description
Example 1: referring to fig. 1 to 3, an alcohol-water efficient hydrogen production device comprises an alcohol water tank 1 and a stirling heat energy generator 2, wherein a first heat exchanger 3 and a second heat exchanger 4 are fixed on a tail gas exhaust pipe 2a of the stirling heat energy generator 2, the structures of the first heat exchanger 3 and the second heat exchanger 4 are the same, a heat exchange plate 32 is fixed on the tail gas exhaust pipe 2a, a heat exchange box 31 is fixed on the tail gas exhaust pipe 2a in a sealing way, and the heat exchange plate 32 is arranged in the heat exchange box 31;
the two first electronic liquid pumps 5 respectively pump mixed liquor of alcohol and water in the alcohol water tank 1 into the first heat exchanger 3 and the second heat exchanger 4 respectively, the heat exchange boxes 31 of the first heat exchanger 3 and the second heat exchanger 4 are respectively fixed and communicated with a first air outlet pipe 33 and a second air outlet pipe 43, the first air outlet pipe 33 is communicated with an air inlet nozzle of the first steam storage bottle 6, and the second air outlet pipe 43 is communicated with the second steam storage bottle 7;
the structure of the reaction device 8 is: the central tube 81 is arranged in the outer tube 82, one end of the partition 83 is formed on the outer wall of the central tube 81, the other end of the partition 83 is formed on the inner wall of the outer tube 82, a plurality of outer reaction chambers 84 are formed among the partition 83, the central tube 81 and the outer tube 82, outer reaction chamber screen plates 85 are fixed at the upper end and the lower end of the outer reaction chambers 84, and hydrogen production catalysts 9 are filled between the outer reaction chamber screen plates 85 at the upper end and the lower end; a central tube upper screen 86 and a central tube lower screen 87 are fixed in the central tube 81, and a catalytic oxidation catalyst 10 is filled between the central tube upper screen 86 and the central tube lower screen 87; an upper end cover 11 is formed or fixed at the upper end of the outer tube 82, a lower end cover 12 is formed or fixed at the lower end of the outer tube 82, and a central tube 81 passes through the upper end cover 11 and the lower end cover 12;
the air outlet pipe of the air pump 24 is communicated with the lower part of the central pipe 81 through a pipeline, the second steam storage bottle 7 is communicated with the first air nozzle 14 through a third air outlet pipe 13, a first electromagnetic valve 15 is arranged on the third air outlet pipe 13, the first air nozzle 14 is fixed on the central pipe 81, and the air outlet of the first air nozzle 14 is positioned above the air outlet pipe of the air pump 24;
the first steam storage bottle 6 is communicated with a second air nozzle 17 through a fourth air outlet pipe 16, the second air nozzle 17 is communicated with the lower end cover 12, a second electromagnetic valve 18 is arranged on the fourth air outlet pipe 16, a hydrogen feeding pipe 19 is fixed on the upper end cover 11 and communicated with the upper end cover 11, and the hydrogen feeding pipe 19 is communicated with a hydrogen storage bottle 20; the central tube 81 is communicated with an air inlet of the Stirling heat energy generator 2; the second electronic liquid pump 25 is started in advance to pump the mixed liquid of the alcohol and the water in the alcohol water tank 1 into the first air nozzle 14.
The partition plates 83 are distributed on the central pipe 81 in an annular array with the center of the central pipe 81 as the center, and the sizes of the outer reaction chambers 84 are the same.
In example 2, as shown in fig. 4, the number of the reaction devices 8 is several, the central pipe 81 of each reaction device 8 is connected to the first collecting pipe 21, and the first collecting pipe 21 is connected to the air inlet of the stirling heat energy generator 2 through a pipeline; the third air outlet pipe 13 is communicated with a second collecting pipe 22, and the second collecting pipe 22 is communicated with the first air nozzle 14 of each reaction device 8; the fourth air outlet pipe 16 is communicated with a third collecting pipe 23, and the third collecting pipe 23 is communicated with the second air nozzle 17 of each reaction device 8; the second electronic liquid pump 25 is started in advance to pump the mixed liquid of the alcohol and the water in the alcohol water tank 1 into the second collecting pipe 22. The procedure is as in example 1.
Working principle: the alcohol water tank 1 is filled with a mixed solution of alcohol and water, and the controller controls the pre-started second electronic liquid pump 25 to pump the mixed solution of alcohol and water in the alcohol water tank 1 into the first air nozzle 14. These alcohol-water mixture solutions are blown into the catalytic oxidation catalyst 10 by an air pump 24.
The catalytic oxidation catalyst 10 comprises, by weight, 0.3% of noble metal platinum, 0.08% of palladium, 6% of transition metal iron, 5% of cobalt, 4% of carrier rare earth oxide cerium dioxide, 7% of zirconium dioxide and the balance of aluminum oxide. After the alcohol-water mixed solution enters the catalytic oxidation catalyst 10, the alcohol-water mixed solution can be ignited and burned at normal temperature to generate heat energy, the heat energy in the central tube 81 heats the outer reaction chamber 84, meanwhile, the heat energy of the central tube 81 enters the Stirling heat energy generator 2, and the Stirling heat energy generator 2 starts to work.
At this point, the controller controls the pre-start second electronic pump 25 to shut down. And then the controller controls the two first electronic liquid pumps 5 to respectively pump the mixed liquid of the alcohol and the water in the alcohol water tank 1 into the first heat exchanger 3 and the second heat exchanger 4 respectively, and the mixed liquid of the alcohol and the water in the first heat exchanger 3 and the second heat exchanger 4 is changed into alcohol water vapor. The alcohol water vapor in the first heat exchanger 3 flows through the first vapor storage bottle 6 and the second air nozzle 17 to enter the outer reaction chamber 84 to produce hydrogen under the action of the hydrogen preparation catalyst 9, and the hydrogen is collected in the hydrogen storage bottle 20. The alcohol water vapor in the second heat exchanger 4 flows through the second vapor storage bottle 7 and the first air nozzle 14 to enter the central tube 81 for combustion.
The air pump 24 of the invention is a conventional air booster pump, and the hydrogen production catalyst 9 is a conventional alcohol water hydrogen production catalyst, such as the hydrogen production catalyst disclosed in CN 102029155B.
The Stirling heat generator 2 is started and then the steam of alcohol and water flows out of the second heat exchanger 4, and the steam of alcohol and water flows through the second steam storage bottle 7 and then flows into the central tube 81.
The air outlet of the first air nozzle 14 is positioned above the air outlet pipe of the air pump 24, so that the steam tempering from the first air nozzle 14 can be prevented from causing accidents.
Claims (3)
1. The utility model provides an alcohol water high-efficient hydrogen plant, includes alcohol water tank (1), stirling heat energy generator (2), its characterized in that: a first heat exchanger (3) and a second heat exchanger (4) are fixed on a tail gas exhaust pipe (2 a) of the Stirling heat energy generator (2), the structures of the first heat exchanger (3) and the second heat exchanger (4) are the same, a heat exchange plate (32) is fixed on the tail gas exhaust pipe (2 a), a heat exchange box (31) is fixed on the tail gas exhaust pipe (2 a) in a sealing way, and the heat exchange plate (32) is arranged in the heat exchange box (31);
the two first electronic liquid pumps (5) respectively extract mixed liquid of alcohol and water in the alcohol water tank (1) and respectively enter the first heat exchanger (3) and the second heat exchanger (4), a first air outlet pipe (33) and a second air outlet pipe (43) are respectively fixed on the heat exchange tank (31) of the first heat exchanger (3) and the heat exchange tank (31) of the second heat exchanger (4) and are communicated with each other, the first air outlet pipe (33) is communicated with an air inlet nozzle of the first steam storage bottle (6), and the second air outlet pipe (43) is communicated with the second steam storage bottle (7);
the structure of the reaction device (8) is as follows: the central tube (81) is arranged in the outer tube (82), one end of the partition plate (83) is formed on the outer wall of the central tube (81), the other end of the partition plate (83) is formed on the inner wall of the outer tube (82), a plurality of outer reaction chambers (84) are formed among the partition plate (83), the central tube (81) and the outer tube (82), outer reaction chamber net plates (85) are fixed at the upper end and the lower end of each outer reaction chamber (84), and hydrogen production catalysts (9) are filled between the outer reaction chamber net plates (85) at the upper end and the lower end; a central tube upper screen plate (86) and a central tube lower screen plate (87) are fixed in the central tube (81), and a catalytic oxidation catalyst (10) is filled between the central tube upper screen plate (86) and the central tube lower screen plate (87); an upper end cover (11) is formed or fixed at the upper end of the outer tube (82), a lower end cover (12) is formed or fixed at the lower end of the outer tube (82), and a central tube (81) passes through the upper end cover (11) and the lower end cover (12);
the air outlet pipe of the air pump (24) is communicated with the lower part of the central pipe (81) through a pipeline, the second steam storage bottle (7) is communicated with the first air nozzle (14) through a third air outlet pipe (13), a first electromagnetic valve (15) is arranged on the third air outlet pipe (13), the first air nozzle (14) is fixed on the central pipe (81), and the air outlet of the first air nozzle (14) is positioned above the air outlet pipe of the air pump (24);
the first steam storage bottle (6) is communicated with a second air nozzle (17) through a fourth air outlet pipe (16), the second air nozzle (17) is communicated with a lower end cover (12), a second electromagnetic valve (18) is arranged on the fourth air outlet pipe (16), a hydrogen feeding pipe (19) is fixed on and communicated with the upper end cover (11), and the hydrogen feeding pipe (19) is communicated with a hydrogen storage bottle (20); the central tube (81) is communicated with an air inlet of the Stirling heat energy generator (2); the second electronic liquid pump (25) is started in advance to pump the mixed liquid of the alcohol and the water in the alcohol water tank (1) into the first air nozzle (14).
2. The alcohol-water efficient hydrogen production equipment according to claim 1, wherein: the plurality of reaction devices (8) are arranged, a central pipe (81) of each reaction device (8) is communicated with a first collecting pipe (21), and the first collecting pipe (21) is communicated with an air inlet of the Stirling heat energy generator (2) through a pipeline; the third air outlet pipe (13) is communicated with a second collecting pipe (22), and the second collecting pipe (22) is communicated with a first air nozzle (14) of each reaction device (8); the fourth air outlet pipe (16) is communicated with a third collecting pipe (23), and the third collecting pipe (23) is communicated with a second air nozzle (17) of each reaction device (8); and (3) pre-starting a second electronic liquid pump (25) to pump the mixed liquid of the alcohol and the water in the alcohol water tank (1) into a second collecting pipe (22).
3. The alcohol-water efficient hydrogen production equipment according to claim 1, wherein: the partition plates (83) are distributed on the central tube (81) in an annular array with the center of the central tube (81) as the center, and the sizes of the outer reaction chambers (84) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227447.5A CN109775660B (en) | 2019-03-25 | 2019-03-25 | Alcohol water high-efficiency hydrogen production equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910227447.5A CN109775660B (en) | 2019-03-25 | 2019-03-25 | Alcohol water high-efficiency hydrogen production equipment |
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| Publication Number | Publication Date |
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| CN109775660A CN109775660A (en) | 2019-05-21 |
| CN109775660B true CN109775660B (en) | 2024-02-13 |
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