CN210584919U - Dehydrogenation reaction device for liquid hydrogen storage material - Google Patents
Dehydrogenation reaction device for liquid hydrogen storage material Download PDFInfo
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- CN210584919U CN210584919U CN201921124190.2U CN201921124190U CN210584919U CN 210584919 U CN210584919 U CN 210584919U CN 201921124190 U CN201921124190 U CN 201921124190U CN 210584919 U CN210584919 U CN 210584919U
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- Prior art keywords
- reaction
- dehydrogenation
- storage material
- hydrogen storage
- reaction shell
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- 239000001257 hydrogen Substances 0.000 title claims abstract description 95
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 95
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 92
- 238000006356 dehydrogenation reaction Methods 0.000 title claims abstract description 68
- 239000011232 storage material Substances 0.000 title claims abstract description 42
- 239000007788 liquid Substances 0.000 title claims abstract description 40
- 238000006243 chemical reaction Methods 0.000 claims abstract description 60
- 239000003054 catalyst Substances 0.000 claims abstract description 27
- 239000000969 carrier Substances 0.000 claims abstract description 12
- 239000000126 substance Substances 0.000 abstract description 3
- 239000007320 rich medium Substances 0.000 abstract 1
- 125000004122 cyclic group Chemical group 0.000 description 6
- 238000011161 development Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a dehydrogenation reaction device of liquid hydrogen storage material, which comprises a device base, wherein a reaction shell is fixed on the device base, an upper support frame is fixed at the inner upper part of the reaction shell, a lower support frame is fixed at the inner lower part of the reaction shell, a longitudinal rotating shaft is installed between the center of the upper support frame and the center of the lower support frame, a plurality of layers of hollow reticular blades are arranged on the rotating shaft, dehydrogenation catalysts are placed in the blades, a plurality of reticular inner wall carriers are arranged on the inner wall of the reaction shell, and dehydrogenation catalysts are placed in the reticular inner wall carriers; a liquid outlet is arranged at the bottom of the reaction shell; the middle part of the reaction shell is provided with a hydrogen-rich liquid hydrogen storage material inlet which is communicated with a liquid distributor positioned on the inner wall of the reaction shell. The device loads the dehydrogenation catalyst on the rotating paddle and the inner wall of the reaction device, continuously updates the hydrogen-rich medium on the surface of the catalyst by using the rotating power of the paddle, improves the dehydrogenation reaction rate, changes the chemical balance by using the vacuum pump, and promotes the dehydrogenation reaction to be carried out efficiently.
Description
Technical Field
The utility model relates to a new forms of energy hydrogen utilization field specifically is a dehydrogenation reaction unit of liquid hydrogen storage material.
Background
Hydrogen has been widely studied since its discovery as a very flammable gas. Since the combustion products are only water, hydrogen is known as a superior energy source for sustainable development. At present, the research and development of hydrogen energy are enhanced in mainly developed countries in the world, and certain progress is made in the aspects of preparation, storage, transportation and application of hydrogen. A large amount of expenditure is also invested in the development of the hydrogen energy industry in China, and policy preference is given, the development of the hydrogen energy is written into a government work report for the first time in 2019, and further the development of the hydrogen energy industry is supported at the national strategic level. Although the gas hydrogen storage and liquid hydrogen storage technologies enter the commercialization stage, the gas hydrogen storage and liquid hydrogen storage technologies cannot solve the potential safety hazard problem of hydrogen in the storage and transportation process, and the cost is high, so that the development of the hydrogen energy industry is restricted. The liquid organic hydrogen storage technology stores hydrogen in a non-explosive organic material in a chemical reaction mode, skillfully solves the problem of safe transportation of the hydrogen, has obvious economic advantages and has wide application prospect. At present, the technology is in a popularization stage, and the problems of low dehydrogenation efficiency and low cyclic utilization rate of hydrogen storage materials exist. In order to solve the problems of low dehydrogenation efficiency and low cyclic utilization rate of the organic hydrogen storage material, the development of a high-efficiency liquid hydrogen storage material dehydrogenation reaction device has important economic significance and safety value.
Disclosure of Invention
In order to solve the problem that liquid hydrogen storage material dehydrogenation efficiency is not high, hydrogen storage material cyclic utilization is low in the dehydrogenation process, the utility model aims at providing a feasible utilization load is at the dehydrogenation catalyst of paddle and reaction unit inner wall, improves the dehydrogenation reaction rate of hydrogen-rich hydrogen storage material, utilizes the vacuum pump to change the chemical balance of dehydrogenation to improve the device of hydrogen storage material cyclic utilization efficiency.
The utility model discloses an adopt following technical scheme to realize:
a dehydrogenation reaction device for liquid hydrogen storage materials comprises a device base, wherein a reaction shell is fixed on the device base, an upper support frame is fixed at the inner upper part of the reaction shell, a lower support frame is fixed at the inner lower part of the reaction shell, a longitudinal rotating shaft is installed between the centers of the upper support frame and the lower support frame, a plurality of layers of hollow reticular blades are arranged on the rotating shaft, dehydrogenation catalysts are placed in the blades, a plurality of reticular inner wall carriers are arranged on the inner wall of the reaction shell, and dehydrogenation catalysts are placed in the reticular inner wall carriers; a liquid outlet is formed in the bottom of the reaction shell; the middle part of the reaction shell is provided with a hydrogen-rich liquid hydrogen storage material inlet which is communicated with a liquid distributor positioned on the inner wall of the reaction shell; the top of the reaction shell is provided with a hydrogen outlet and a demister is arranged at the hydrogen outlet, and the hydrogen outlet is connected with a vacuum pump through a pipeline; and a thermocouple thermometer is arranged on the side wall of the reaction shell and is connected with a DCS control system.
The device improves the dehydrogenation rate of the hydrogen storage material through the dehydrogenation catalyst loaded on the rotating paddle and the inner wall of the reaction device, changes the reaction pressure through the vacuum pump on the upper part of the dehydrogenation device, and enables the dehydrogenation reaction balance to move towards the direction of hydrogen removal of the hydrogen storage material, thereby improving the dehydrogenation efficiency and the cyclic utilization rate of the organic hydrogen storage material. After the dehydrogenation reaction starts, the dehydrogenation catalyst loaded on the paddle rotates along with the paddle, the liquid hydrogen storage material rich in hydrogen dynamically contacts with the catalyst and completes the dehydrogenation reaction, and in the rotating process of the paddle, the hydrogen storage material rich in hydrogen on the surface of the catalyst is continuously updated to further promote the dehydrogenation reaction, so that the dehydrogenation reaction rate is improved. The vacuum pump continuously pumps away hydrogen generated by the reaction, thereby reducing the partial pressure of the hydrogen in the reaction system, balancing the dehydrogenation reaction to move towards the direction of hydrogen removal of the hydrogen storage material, and improving the dehydrogenation efficiency of the organic hydrogen storage material.
The utility model has the advantages that: the dehydrogenation reaction device of the liquid hydrogen storage material utilizes the dehydrogenation catalyst loaded on the blades and the inner wall of the reaction device to improve the dehydrogenation reaction rate, the catalyst carrier on the blades is of a net structure formed by a plurality of hollow cylinders, the blades of the hollow cylinders are vertical to the direction of the stirring shaft, and the catalyst carrier on the inner wall of the reaction device is uniformly distributed on the inner wall of the reaction shell in a semi-cylindrical manner. The blades and the inner wall of the reaction shell simultaneously support the catalyst, so that the specific surface area and the loading area of the catalyst are increased, and the dehydrogenation reaction is promoted. The vacuum pump is arranged on the upper portion of the dehydrogenation device, hydrogen analyzed by reaction is timely pumped away by the vacuum pump, so that the dehydrogenation reaction is always in a negative pressure state, the dehydrogenation reaction is promoted to be carried out in the direction of hydrogen removal of the hydrogen storage material, the dehydrogenation efficiency of the dehydrogenation material is improved, the recycling efficiency of the hydrogen storage material is increased, and the operation cost is reduced.
The utility model relates to a rationally, with dehydrogenation catalyst load at rotatory paddle and reaction unit inner wall, utilize the rotating power of paddle to constantly update the rich hydrogen medium on catalyst surface, improve dehydrogenation reaction rate, utilize the vacuum pump to change chemical balance to promote the dehydrogenation reaction high-efficiently to go on, have fine practical application and worth.
Drawings
Fig. 1 shows a schematic structural diagram of the present invention.
In the figure: the method comprises the following steps of 1-device base, 2-reaction shell, 3-heat preservation layer, 4-hydrogen-rich liquid hydrogen storage material inlet, 5-liquid distributor, 6-paddle I, 7-paddle II, 8-inner wall carrier, 9-rotating shaft, 10-upper support frame, 11-lower support frame, 12-vacuum pump, 13-hydrogen outlet, 14-demister, 15-liquid outlet, 16-thermocouple thermometer and 17-DCS control system.
Detailed Description
The following describes in detail specific embodiments of the present invention with reference to the accompanying drawings.
A dehydrogenation reaction device of a liquid hydrogen storage material is shown in figure 1 and comprises a device base 1, a reaction shell 2 is fixed on the device base 1, an upper support frame 10 is fixed on the upper portion in the reaction shell 2, a lower support frame 11 is fixed on the lower portion in the reaction shell 2, a longitudinal rotating shaft 9 is installed between the upper support frame 10 and the center of the lower support frame 11, a plurality of layers of hollow netted blades are arranged on the rotating shaft 9, a dehydrogenation catalyst is placed in each blade, and blades I6 and blades II 7 of adjacent layers are in staggered distribution in the axial direction. A plurality of reticular inner wall carriers 8 are arranged on the inner wall of the reaction shell 2, and dehydrogenation catalysts are placed in the reticular inner wall carriers 8; a liquid outlet 15 is arranged at the bottom of the reaction shell 2; the middle part of the reaction shell 2 is provided with a hydrogen-rich liquid hydrogen storage material inlet 4, and the hydrogen-rich liquid hydrogen storage material inlet 4 is communicated with a liquid distributor 5 positioned on the inner wall of the reaction shell 2; the top of the reaction shell 2 is provided with a hydrogen outlet 13 and a demister 14 positioned at the hydrogen outlet 13, and the hydrogen outlet 13 is connected with a vacuum pump 12 through a pipeline; and a thermocouple thermometer 16 is arranged on the side wall of the reaction shell 2, and the thermocouple thermometer 16 is connected with a DCS control system 17. And a heat-insulating layer 3 is arranged outside the reaction shell 2.
The dehydrogenation device utilizes the dehydrogenation catalyst loaded on the rotating blade and the inner wall of the reaction device to improve the dehydrogenation reaction rate of the hydrogen storage material, reduces the pressure of a reaction system through the vacuum pump on the upper part of the dehydrogenation device, and enables the dehydrogenation reaction to move in a direction which is beneficial to the hydrogen removal of the hydrogen storage material, thereby improving the dehydrogenation efficiency and the cyclic utilization rate of the organic hydrogen storage material.
During the specific implementation, the dehydrogenation reaction device of the liquid hydrogen storage carrier comprises a dehydrogenation device base 1 for supporting a dehydrogenation device body and related accessories, the base is connected with a reaction shell 2, and a heat preservation layer 3 is arranged outside the shell to ensure that the temperature of a reaction system is kept within a set range. The reaction shell 2 is provided with a hydrogen-rich liquid hydrogen storage material inlet 4, the hydrogen-rich liquid hydrogen storage material firstly enters a liquid distributor 5 after entering the reaction shell 2, and the hydrogen-rich liquid hydrogen storage material from the distributor and a dehydrogenation catalyst 5 perform dehydrogenation reaction. Dehydrogenation catalysts are loaded on the blades I6, the blades II 7 and the inner wall carrier 8 respectively, the blade carriers are formed by a plurality of hollow cylinders and are longitudinally distributed in a net shape, the rotating blades are formed by a plurality of hollow cylinder carriers, and the carriers are longitudinally distributed in a net shape in space, so that the contact area of the catalysts and hydrogen storage materials is increased. The paddle I and the paddle II of adjacent layers are longitudinally distributed in a staggered mode, and the rotating paddles are distributed in a staggered mode, so that the stirring resistance can be reduced, and the stirring efficiency is improved. The inner wall carriers are distributed on the inner wall of the reaction device in a semi-cylindrical shape. The rotary blades of the dehydrogenation reaction device are arranged in a multi-section staggered manner in space, and compared with the traditional device, the rotary blades not only increase the loading area of a catalyst, but also can reduce resistance, improve the mass transfer coefficient and effectively improve the dehydrogenation reaction rate. The blade is fixed on a rotating shaft 9, and the rotating shaft is fixed through an upper support frame 10 and a lower support frame 11. The hydrogen generated by dehydrogenation enters a hydrogen purification process from a hydrogen outlet 13 through a vacuum pump 12, the hydrogen outlet is provided with a demister 14 for removing entrained liquid hydrogen storage materials, and the dehydrogenated hydrogen storage materials are discharged out of the reaction device through a liquid outlet 15 for subsequent recycling. The dehydrogenation reactor was equipped with a thermocouple thermometer 16 for measuring the reaction temperature. The DCS control system 17 is connected with a thermometer and a vacuum pump, and when the reaction is not in the set range, the vacuum pump is closed and enters an emergency treatment state.
The basic principles and main features of the present invention and the advantages thereof have been shown and described above, and it will be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the knowledge described in the above embodiments and the description illustrates the principles of the present invention without departing from the spirit and scope of the present invention, which will be limited only by the appended claims and their equivalents.
Claims (3)
1. A liquid hydrogen storage material dehydrogenation reaction device is characterized in that: the device comprises a device base (1), wherein a reaction shell (2) is fixed on the device base (1), an upper support frame (10) is fixed on the inner upper part of the reaction shell (2), a lower support frame (11) is fixed on the inner lower part of the reaction shell (2), a longitudinal rotating shaft (9) is installed between the upper support frame (10) and the center of the lower support frame (11), a plurality of layers of hollow reticular blades are arranged on the rotating shaft (9), dehydrogenation catalysts are placed in the blades, a plurality of reticular inner wall carriers (8) are arranged on the inner wall of the reaction shell (2), and the dehydrogenation catalysts are placed in the reticular inner wall carriers (8); a liquid outlet (15) is formed in the bottom of the reaction shell (2); the middle part of the reaction shell (2) is provided with a hydrogen-rich liquid hydrogen storage material inlet (4), and the hydrogen-rich liquid hydrogen storage material inlet (4) is communicated with a liquid distributor (5) positioned on the inner wall of the reaction shell (2); the top of the reaction shell (2) is provided with a hydrogen outlet (13) and a demister (14) positioned at the hydrogen outlet (13), and the hydrogen outlet (13) is connected with a vacuum pump (12) through a pipeline; and a thermocouple thermometer (16) is arranged on the side wall of the reaction shell (2), and the thermocouple thermometer (16) is connected with a DCS control system (17).
2. The apparatus for dehydrogenation reaction of a liquid hydrogen storage material according to claim 1, wherein: and a heat-insulating layer (3) is arranged outside the reaction shell (2).
3. The apparatus for dehydrogenation of a liquid hydrogen storage material according to claim 1 or 2, wherein: the blades I (6) and the blades II (7) of adjacent layers are distributed in a staggered mode in the axial direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124190.2U CN210584919U (en) | 2019-07-18 | 2019-07-18 | Dehydrogenation reaction device for liquid hydrogen storage material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921124190.2U CN210584919U (en) | 2019-07-18 | 2019-07-18 | Dehydrogenation reaction device for liquid hydrogen storage material |
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| Publication Number | Publication Date |
|---|---|
| CN210584919U true CN210584919U (en) | 2020-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921124190.2U Expired - Fee Related CN210584919U (en) | 2019-07-18 | 2019-07-18 | Dehydrogenation reaction device for liquid hydrogen storage material |
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| CN (1) | CN210584919U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842856A (en) * | 2021-09-11 | 2021-12-28 | 唐山三友硅业有限责任公司 | Preparation method of hydrogen-terminated polysiloxane and reaction kettle system for preparation |
| CN115445533A (en) * | 2022-10-08 | 2022-12-09 | 北京瀚锐氢能科技有限公司 | Dehydrogenation reactor of liquid organic hydrogen storage material |
-
2019
- 2019-07-18 CN CN201921124190.2U patent/CN210584919U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842856A (en) * | 2021-09-11 | 2021-12-28 | 唐山三友硅业有限责任公司 | Preparation method of hydrogen-terminated polysiloxane and reaction kettle system for preparation |
| CN113842856B (en) * | 2021-09-11 | 2022-11-22 | 唐山三友硅业有限责任公司 | Preparation method of hydrogen-terminated polysiloxane and reaction kettle system for preparation |
| CN115445533A (en) * | 2022-10-08 | 2022-12-09 | 北京瀚锐氢能科技有限公司 | Dehydrogenation reactor of liquid organic hydrogen storage material |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |