CN220364365U - Novel green hydrogen preparation device - Google Patents
Novel green hydrogen preparation device Download PDFInfo
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- CN220364365U CN220364365U CN202321815823.0U CN202321815823U CN220364365U CN 220364365 U CN220364365 U CN 220364365U CN 202321815823 U CN202321815823 U CN 202321815823U CN 220364365 U CN220364365 U CN 220364365U
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- gas
- methanol
- energy
- heat exchanger
- storage tank
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 70
- 239000001257 hydrogen Substances 0.000 title claims abstract description 70
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 68
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 126
- 238000004519 manufacturing process Methods 0.000 claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 34
- 238000003860 storage Methods 0.000 claims abstract description 32
- 239000007789 gas Substances 0.000 claims abstract description 27
- 239000007788 liquid Substances 0.000 claims abstract description 27
- 230000008016 vaporization Effects 0.000 claims abstract description 17
- 238000009834 vaporization Methods 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 14
- GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000005984 hydrogenation reaction Methods 0.000 claims description 9
- 238000007670 refining Methods 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 239000002994 raw material Substances 0.000 abstract description 12
- 238000005485 electric heating Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000000047 product Substances 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 6
- 239000006227 byproduct Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
A novel green hydrogen preparation device comprises a primary gas-liquid heat exchanger, a vaporization chamber, a reactor, a secondary gas-gas heat exchanger, a heliostat group, a tower top heat collector and an electric heating control cabinet; the methanol storage tank and the water storage tank are connected with the primary gas-liquid heat exchanger through pipelines, the heliostat group is controlled by the tracking transmission control system, the sunlight is reflected and concentrated to enter a tower top heat collector, and the tower top heat collector is connected with the reactor through a pipeline; the utility model has the beneficial effects that: the device can utilize solar energy to convert heat energy to further treat hydrogen energy production raw materials through the cooperation of the hydrogen production module and the light energy heat collection module, so that clean energy is used as production energy for producing hydrogen energy, the green hydrogen production efficiency is high, large-scale industrialized hydrogen energy preparation can be realized, meanwhile, the electric energy heat supply module is matched, the hydrogen energy production is assisted in peak-valley stages, the production continuity is guaranteed, and the device energy production is improved.
Description
Technical Field
The utility model relates to the technical field of hydrogen devices, in particular to a novel special device for preparing green hydrogen.
Background
Hydrogen energy is regarded as a clean energy source with great development potential in the 21 st century, and is not only an industrial raw material, but also an important secondary energy source for supporting future clean energy transformation; the method for industrially preparing hydrogen energy mainly comprises the steps of taking natural gas as a raw material and methanol as a raw material.
Because of the traditional methanol vapor hydrogen production process, the electric heating heat conduction oil or the natural gas combustion heating heat conduction oil is used as a heat source, and the CO is a byproduct of the process 2 Trapping, utilizing and storing, called blue hydrogen; while hydrogen produced using renewable energy sources (e.g., solar, wind, nuclear, etc.), known as green hydrogen, is an advanced form of low-carbon hydrogen/clean hydrogen.
The prior art discloses an integrated green hydrogen production device based on photovoltaic power generation, and the technology of Chinese patent utility model with publication number of CN216972693U, wherein a mounting frame, a hydrogen production machine, a partition board, a photovoltaic power generation mechanism, an adjusting mechanism and a limiting mechanism are disclosed, the top end surface of a bottom plate of the mounting frame is provided with the hydrogen production machine, the hydrogen production machine carries out water electrolysis to produce green hydrogen in a photovoltaic power generation driving mode, and the conversion rate, the stability and the temperature application range are improved; although the technology uses the light energy to produce hydrogen, the light-electric energy conversion is needed, and finally the hydrogen energy is produced in the form of producing hydrogen by electric energy; the technology is difficult to produce hydrogen in a large scale, and meanwhile, the solar photovoltaic panel is used as a core component of the device, so that the cost of the device is high, and the production cost of hydrogen energy is increased.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provides a hydrogen production device capable of carrying out scale green hydrogen preparation in a mode of converting heat energy by utilizing solar energy.
The utility model is thatThe method is realized by the following technical scheme: a novel green hydrogen preparation device comprises a methanol storage tank, a water storage tank, a primary gas-liquid heat exchanger, a vaporization chamber, a reactor, a secondary gas-gas heat exchanger, a methanol washing tower, a TSA unit, a PSA unit and a product H 2 Compressor, H 2 A storage tank, a heliostat group and a tower top heat collector; the methanol storage tank and the water storage tank are connected with the primary gas-liquid heat exchanger through pipelines, the primary gas-liquid heat exchanger, the vaporization chamber and the secondary gas-gas heat exchanger are sequentially connected, and the secondary gas-gas heat exchanger is connected with the reactor; the second-level gas-gas heat exchanger is connected with the first-level gas-liquid heat exchanger, and the first-level gas-liquid heat exchanger, the methanol washing tower, the TSA unit, the PSA unit and the product H are connected with each other through the first-level gas-liquid heat exchanger 2 Compressor, H 2 The storage tanks are connected in sequence; under the control of the tracking transmission control system, the heliostat group reflects sunlight and focuses the sunlight to enter the tower top heat collector, the tower top heat collector is connected with the reactor through a pipeline, and the tower top heat collector is connected with the vaporization chamber through a pipeline.
Preferably, the reactor and the vaporization chamber are respectively connected with a high-temperature oil tank through pipelines, and the high-temperature oil tank heats the internal oil through an electric heater.
Preferably, a high-temperature heat conduction oil buffer tank and a high-temperature heat conduction oil pump are arranged between the tower top heat collector and the reactor.
Preferably, a low-temperature heat conduction oil buffer tank and a low-temperature heat conduction oil pump are arranged between the tower top heat collector and the reactor.
Preferably, the methanol storage tank is connected with the methanol-water mixer through a methanol delivery pump, a methanol flowmeter and a methanol regulating valve, and the water storage tank is connected with the methanol-water mixer through a water pump, a water flow meter and a water regulating valve.
Preferably, the PSA unit is connected with CO through a pipeline 2 The refining units are connected.
Preferably, said H 2 The storage tank is connected with a hydrogen compressor through a pipeline, and the hydrogen compressor is connected with the hydrogenation station.
The utility model has the beneficial effects that: the device can utilize solar energy to convert heat energy to further treat hydrogen energy production raw materials through the cooperation of the hydrogen production module and the light energy heat collection module, so that clean energy is used as production energy for producing hydrogen energy, the green hydrogen production efficiency is high, large-scale industrialized hydrogen energy preparation can be realized, meanwhile, the electric energy heat supply module is matched, the hydrogen energy production is assisted in peak-valley stages, the production continuity is ensured, and the device energy production is improved; the device has the following specific beneficial effects:
1. the gas heat in the production process of the product is fully utilized, and the hydrogen production energy consumption is saved;
2. the light energy heat collection is adopted to supply hydrogen production energy, so that the device is green and energy-saving;
3. the valley electricity is adopted for heating, so that the hydrogen production cost is saved;
4. realizing 24-hour low-cost continuous operation of the hydrogen production device.
Drawings
Fig. 1 is a schematic flow diagram of a process system of a novel green hydrogen production apparatus.
Wherein: 1. a methanol storage tank; 2. a water storage tank; 3. a methanol delivery pump; 4. a water pump; 5. a methanol flow meter; 6. a water flow meter; 7. a methanol regulating valve; 8. a water regulating valve; 9. a liquid-liquid mixer; 10. a primary gas-liquid heat exchanger; 11. a vaporization chamber; 12. a reactor; 13. a secondary gas-gas heat exchanger; 14. a methanol water scrubber; 15. a TSA unit; 16. a PSA unit; 17. CO 2 A refining unit; 18. product H 2 A compressor; 19. h 2 A storage tank; 20. a hydrogenation compressor; 21. a hydrogen adding station; 22. heliostat group; 23. a tower top collector; 24. a high-temperature heat conducting oil buffer tank; 25. high temperature heat conduction oil pump; 26. a low-temperature heat conduction oil buffer tank; 27. a low temperature heat conduction oil pump; 28. a hydrogen adding station; 29. a conduction oil electric heater; 30. high-temperature heat conduction oil passes through a delivery pump; 31. a high-level oil tank; 32. high-temperature heat conduction oil electric switching valve; 33. low-temperature heat-conducting oil electric switching valve.
Detailed Description
In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in figure 1, the novel green hydrogen preparation process device comprises a raw material methanol storage tank, a raw material water storage tank, a methanol delivery pump, a water pump, a methanol flowmeter, a water flowmeter, a methanol regulating valve, a water regulating valve, a methanol-water mixer, a primary gas-liquid heat exchanger, a vaporization chamber, a reactor, a secondary gas-gas heat exchanger, a methanol washing tower, a TSA unit, a PSA unit and CO 2 Refining unit, product H 2 Compressor, H 2 The device comprises a storage tank, a hydrogenation compressor, a hydrogenation station, a heliostat group, a tower top heat collector (comprising a tower body), a high-temperature heat conduction oil buffer tank, a high-temperature heat conduction oil pump, a low-temperature heat conduction oil buffer tank, a low-temperature heat conduction oil pump, an electric heating control cabinet, an electric heater, a heat conduction oil circulating pump, a high-level oil tank, a high-temperature heat conduction oil electric valve and a low-temperature heat conduction oil electric valve; the raw materials of the methanol storage tank and the water storage tank are respectively and accurately regulated and metered by a methanol delivery pump and a water pump under the actions of a methanol regulating valve, a methanol flowmeter, a water regulating valve and a water flow meter and are delivered to a liquid-liquid mixer for full mixing, then are preheated by a first-stage gas-liquid heat exchanger (product gas is a heat exchange medium), enter a vaporization chamber, vaporized methanol-water vapor is reheated by a second-stage gas-gas heat exchanger (product gas is a heat exchange medium) and then enter a reactor, and the product gas at the outlet of the reactor is subjected to second-stage gas-gas and first-stage gasAfter the liquid is subjected to heat exchange and temperature reduction, the liquid enters a methanol water scrubber to remove unreacted methanol steam, then enters a TSA unit, and finally enters a PSA treatment unit to obtain a byproduct CO 2 Entering CO 2 The refining unit carries out carbon recovery, and the product gas is H 2 By product H 2 The compressor is sent to H 2 The storage tank is then sent to the hydrogenation station through the hydrogenation compressor to supply hydrogen for hydrogen energy vehicles, and the heat supply of the whole hydrogen production process is divided into two parts, namely, the daytime uses light energy heat collection to supply heat, and the nighttime uses a valley electric heating mode to supply heat. For the light energy heat collection system, the operation process is as follows: under the combined action of a heliostat group tracking transmission and control system, sunlight is reflected, positioned and focused into a heat collector at the top of the tower, heat conduction oil in the heat collector is heated and then enters a high-temperature heat conduction oil buffer tank, and the heat conduction oil is sequentially conveyed into a reactor heating and vaporizing chamber heating system of a hydrogen production unit through a high-temperature heat conduction oil pump and then enters a low-temperature heat conduction oil buffer tank, and is conveyed into the heat collector at the top of the tower through a low-temperature heat conduction oil pump for cyclic heating; for the valley electric heating system, the operation process is as follows: the heat conducting oil electric heater is used for electrically heating low-temperature heat conducting oil through the control system, and the heated high-temperature heat conducting oil sequentially supplies heat to the reactor and the vaporization chamber of the hydrogen production unit through the delivery pump and the high-temperature heat conducting oil electric switching valve and returns to the heater through the low-temperature heat conducting oil electric switching valve for cyclic heating.
In order to realize the full mixing of raw material methanol and water, a liquid-liquid mixer is arranged at the rear end of a metering and conveying pump of the raw material methanol and the water;
in order to fully recycle energy, the fully mixed methanol and water enter a primary heat exchanger (gas-liquid heat exchanger) and preheat raw material liquid by using the heat of product gas;
in order to fully recycle energy, the vaporized methanol and water vapor enter a secondary heat exchanger (gas-gas heat exchanger) and are preheated by the heat of the product gas;
in order to save energy consumption, the hydrogen production system in daytime is supplied with energy, and a tower type light energy heat collection system is adopted;
in order to reduce the production cost and ensure the continuous operation of the hydrogen production unit, the energy supply of the hydrogen production system at night adopts a valley electric heating system.
Principle of operation
Raw materials of the methanol storage tank 1 and the water storage tank 2 are respectively and accurately regulated, metered and conveyed to the liquid-liquid mixer 9 for full mixing under the action of the methanol regulating valve 7, the methanol flowmeter 5, the water regulating valve 8 and the water flowmeter 6 by the methanol conveying pump 3 and the water pump 4, then preheated by the primary gas-liquid heat exchanger 10 (product gas is a heat exchange medium), enter the vaporization chamber 11, the vaporized methanol-water vapor is reheated by the secondary gas-gas heat exchanger 13 (product gas is a heat exchange medium) and then enters the reactor 12, the product gas at the outlet of the reactor is cooled by the secondary gas-gas and the primary gas-liquid heat exchange and then enters the methanol water washing tower 14 to remove unreacted methanol vapor, then enters the TSA unit 15, and finally enters the PSA treatment unit 16 and byproducts CO 2 Entering CO 2 The refining unit 17 recovers carbon, and the product gas is H 2 By product H 2 Compressor 18 sends to H 2 The storage tank 19 is then sent to the hydrogenation station 21 through the hydrogenation compressor 20 to supply hydrogen for hydrogen energy vehicles, and the heat supply of the whole hydrogen production process is divided into a daytime period and a nighttime period, namely, the daytime period adopts light energy heat collection to supply heat, and the nighttime adopts a valley electric heating mode to supply heat. For the light energy heat collection system, the operation process is as follows: under the combined action of a tracking transmission and control system of the heliostat group 22, sunlight is reflected, positioned and focused into a heat collector 23 at the top of the tower, heat conduction oil in the heat collector is heated and then enters a high-temperature heat conduction oil buffer tank 24, and the heat conduction oil is sequentially conveyed into a heating system of a reactor 12 and a vaporization chamber 11 of a hydrogen production unit through a high-temperature heat conduction oil pump 25 and then enters a low-temperature heat conduction oil buffer tank 26 and is conveyed into the heat collector 23 at the top of the tower through a low-temperature heat conduction oil pump 27 for cyclic heating; for the valley electric heating system, the operation process is as follows: the heat conducting oil electric heater 29 electrically heats the low-temperature heat conducting oil through the control system 28, the heated high-temperature heat conducting oil sequentially supplies heat to the reactor 12 and the vaporization chamber 11 of the hydrogen production unit through the conveying pump 30 and the high-temperature heat conducting oil electric switching valve 32, and then returns to the heater through the low-temperature heat conducting oil electric switching valve 33The circulation heating is performed, and a high-level oil tank 31 for heat conducting oil is provided at a high level.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (7)
1. Novel green hydrogen preparation device, its characterized in that: comprises a methanol storage tank, a water storage tank, a primary gas-liquid heat exchanger, a vaporization chamber, a reactor, a secondary gas-gas heat exchanger, a methanol washing tower, a TSA unit, a PSA unit and a product H 2 Compressor, H 2 A storage tank, a heliostat group and a tower top heat collector; the methanol storage tank and the water storage tank are connected with the primary gas-liquid heat exchanger through pipelines, the primary gas-liquid heat exchanger, the vaporization chamber and the secondary gas-gas heat exchanger are sequentially connected, and the secondary gas-gas heat exchanger is connected with the reactor; the second-level gas-gas heat exchanger is connected with the first-level gas-liquid heat exchanger, and the first-level gas-liquid heat exchanger, the methanol washing tower, the TSA unit, the PSA unit and the product H are connected with each other through the first-level gas-liquid heat exchanger 2 Compressor, H 2 The storage tanks are connected in sequence; under the control of the tracking transmission control system, the heliostat group reflects sunlight and focuses the sunlight to enter the tower top heat collector, the tower top heat collector is connected with the reactor through a pipeline, and the tower top heat collector is connected with the vaporization chamber through a pipeline.
2. The novel green hydrogen production apparatus according to claim 1, wherein: the reactor and the vaporization chamber are respectively connected with a high-temperature oil tank through pipelines, and the high-temperature oil tank heats the internal oil through an electric heater.
3. The novel green hydrogen production apparatus according to claim 1, wherein: and a high-temperature heat conduction oil buffer tank and a high-temperature heat conduction oil pump are arranged between the tower top heat collector and the reactor.
4. The novel green hydrogen production apparatus according to claim 1, wherein: and a low-temperature heat conduction oil buffer tank and a low-temperature heat conduction oil pump are arranged between the tower top heat collector and the reactor.
5. The novel green hydrogen production apparatus according to claim 1, wherein: the methanol storage tank is connected with the methanol-water mixer through the methanol delivery pump, the methanol flowmeter and the methanol regulating valve, and the water storage tank is connected with the methanol-water mixer through the water pump, the water flow meter and the water regulating valve.
6. The novel green hydrogen production apparatus according to claim 1, wherein: the PSA unit is connected with CO through a pipeline 2 The refining units are connected.
7. The novel green hydrogen production apparatus according to claim 1, wherein: said H 2 The storage tank is connected with a hydrogen compressor through a pipeline, and the hydrogen compressor is connected with the hydrogenation station.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815823.0U CN220364365U (en) | 2023-07-11 | 2023-07-11 | Novel green hydrogen preparation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815823.0U CN220364365U (en) | 2023-07-11 | 2023-07-11 | Novel green hydrogen preparation device |
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| Publication Number | Publication Date |
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| CN220364365U true CN220364365U (en) | 2024-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321815823.0U Active CN220364365U (en) | 2023-07-11 | 2023-07-11 | Novel green hydrogen preparation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220364365U (en) |
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2023
- 2023-07-11 CN CN202321815823.0U patent/CN220364365U/en active Active
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