CN220432366U - Green electricity hydrogen production synthetic ammonia system - Google Patents
Green electricity hydrogen production synthetic ammonia system Download PDFInfo
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- CN220432366U CN220432366U CN202321882484.8U CN202321882484U CN220432366U CN 220432366 U CN220432366 U CN 220432366U CN 202321882484 U CN202321882484 U CN 202321882484U CN 220432366 U CN220432366 U CN 220432366U
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- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 239000001257 hydrogen Substances 0.000 title claims abstract description 79
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 79
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 30
- 230000005611 electricity Effects 0.000 title claims abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 96
- 239000007789 gas Substances 0.000 claims abstract description 75
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 58
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 58
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 238000003860 storage Methods 0.000 claims abstract description 20
- 239000000446 fuel Substances 0.000 claims abstract description 5
- 238000000926 separation method Methods 0.000 claims description 25
- 239000002994 raw material Substances 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 15
- 239000007788 liquid Substances 0.000 claims description 13
- 238000001914 filtration Methods 0.000 claims description 10
- 238000000746 purification Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 239000002918 waste heat Substances 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 238000005868 electrolysis reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The utility model discloses a green electricity hydrogen production and ammonia synthesis system which comprises an electric power supply unit, an electrolytic water hydrogen production unit, a nitrogen production unit, a storage tank unit, a compressor module and an ammonia synthesis unit, wherein the storage tank unit comprises a hydrogen cache tank, a nitrogen cache tank and a liquid ammonia storage tank, a hydrogen inlet of the hydrogen cache tank is communicated and fixed with a gas outlet of the electrolytic water hydrogen production unit, and a nitrogen inlet of the nitrogen cache tank is communicated and fixed with an outlet of the nitrogen production unit. The green electricity hydrogen production and synthesis ammonia system ensures power supply by a generator set taking liquid ammonia as fuel, and is started to provide supplementary power when wind and light resources are insufficient; because the on-site prepared and stored liquid ammonia is used as the energy, the system can keep stable operation under the condition of long period without depending on external energy input, and in addition, no carbon emission exists in the use process, so that the off-grid operation of the green electricity hydrogen production and ammonia synthesis system can be realized.
Description
Technical Field
The utility model relates to the technical field of hydrogen energy, in particular to a green electricity hydrogen production and ammonia synthesis system.
Background
The new energy in China has explosive growth, however, the renewable energy has the defect of unstable output, the problem of relatively serious 'wind abandoning and light abandoning' occurs, various restrictions such as the continuous improvement of new energy installation, the insufficient absorption and peak regulation capability and the like or the increasingly outstanding renewable energy such as wind and light electrolyzes water to prepare green hydrogen, and then the green hydrogen is synthesized as an industrial raw material, so that the method is one of important technical routes for large-scale green electricity consumption.
The modern flexible hydrogen production and ammonia synthesis technology can reduce the load to 10%, but electric power support is needed to ensure that equipment is not stopped, the annual utilization hours of wind power are usually between 1500 hours and 3000 hours, the annual utilization hours of photovoltaic are usually between 1000 hours and 2000 hours, and compared with the continuous operation of the equipment for 8760 hours all the year, a large power supply gap is still provided, and the large contradiction exists between green electricity and other intermittent energy sources and continuous chemical technology of electrolytic water hydrogen production and ammonia synthesis, so that a green electricity hydrogen production and ammonia synthesis system is provided.
Disclosure of Invention
The utility model aims to provide a green electricity hydrogen-producing ammonia synthesis system, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a green electricity hydrogen production and ammonia synthesis system comprises an electric power supply unit, an electrolytic water hydrogen production unit, a nitrogen production unit, a storage tank unit, a compressor module and an ammonia synthesis unit,
the storage tank unit comprises a hydrogen cache tank, a nitrogen cache tank and a liquid ammonia storage tank, wherein a hydrogen inlet of the hydrogen cache tank is communicated and fixed with a gas outlet of the electrolyzed water hydrogen production unit, and a nitrogen inlet of the nitrogen cache tank is communicated and fixed with an outlet of the nitrogen production unit;
the compressor module comprises a raw material gas compressor unit, a synthesis gas compressor unit and an air compressor, wherein a raw material gas inlet of the raw material gas compressor unit is communicated and fixed with a hydrogen outlet of the hydrogen cache tank and a nitrogen outlet of the nitrogen cache tank at the same time, and an air outlet of the air compressor is communicated and fixed with an air inlet of the nitrogen production unit;
the synthesis ammonia unit comprises a synthesis tower, a waste heat recovery system, a heat exchanger, a cooling separation system and an oil-gas separator, wherein an outlet of the synthesis tower is communicated and fixed with an inlet of the waste heat recovery system, an outlet of the waste heat recovery system is communicated and fixed with a cold air inlet of the heat exchanger, a synthesis gas inlet of the heat exchanger is communicated and fixed with a synthesis gas outlet of the oil-gas separator, a gas inlet of the oil-gas separator is simultaneously communicated and fixed with an air outlet of a raw gas compressor unit and an air outlet of the synthesis gas compressor unit, one outlet of the heat exchanger is communicated and fixed with an inlet of the synthesis tower, two outlets of the heat exchanger are communicated and fixed with an inlet of the cooling separation system, a gas outlet of the cooling separation system is communicated and fixed with an inlet of the synthesis gas compressor unit, and a liquid outlet of the cooling separation system is communicated and fixed with an inlet of a liquid ammonia storage tank;
the power supply unit comprises a supplementary power unit and a photovoltaic or wind power module, the outlet of the liquid ammonia storage tank is communicated with and fixed with the supplementary power unit, the supplementary power unit is electrically connected with the electrolyzed water hydrogen production unit, the electrolyzed water hydrogen production unit is further electrically connected with the photovoltaic or wind power module, and the photovoltaic or wind power module and the supplementary power unit are electrically connected with the power supply end of the air compressor.
Preferably, the electrolytic water hydrogen production unit comprises an electrolytic tank, a gas-liquid separation system and a purification system, wherein the electrolytic tank is of a filter-pressing bipolar series structure, water is electrolyzed into hydrogen and oxygen, the power supply end of the electrolytic tank is respectively and electrically connected with the photovoltaic or wind power module and the supplementary power unit, the hydrogen outlet of the electrolytic tank is communicated and fixed with the inlet of the gas-liquid separation system, the gas outlet of the gas-liquid separation system is communicated and fixed with the gas inlet of the purification system, and the gas outlet of the purification system is communicated and fixed with the hydrogen inlet of the hydrogen cache tank.
Preferably, the nitrogen generating unit comprises an air buffer tank, a filtering system and a pressure swing adsorption system, wherein an air inlet of the air buffer tank is communicated and fixed with an air outlet of the air compressor, an air outlet of the air buffer tank is communicated and fixed with an air inlet of the filtering system, an air outlet of the filtering system is communicated with an air inlet of the pressure swing adsorption system, and a nitrogen outlet of the pressure swing adsorption system is communicated and fixed with a nitrogen inlet of the nitrogen buffer tank.
Compared with the prior art, the generator set taking liquid ammonia as fuel of the green electricity hydrogen production ammonia synthesis system ensures power supply, and is started to provide supplementary power when wind and light resources are insufficient; because the on-site prepared and stored liquid ammonia is used as the energy, the system can keep stable operation under the condition of long period without depending on external energy input, and in addition, no carbon emission exists in the use process, so that the off-grid operation of the green electricity hydrogen production and ammonia synthesis system can be realized. The utility model adopts a small modularized skid-mounted ammonia synthesis equipment system, can realize flexible production, couples the fluctuation of a green electric end, respectively places hydrogen production equipment, nitrogen production equipment and ammonia synthesis equipment in different skid bodies or containers, can be placed outdoors, greatly reduces the occupied area of highly integrated equipment, has short construction period, low civil engineering cost and convenient movement and installation.
Drawings
Fig. 1 is a block diagram of the connection of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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 fig. 1, the green electricity hydrogen production and ammonia synthesis system provided by the embodiment comprises an electric power supply unit, an electrolyzed water hydrogen production unit, a nitrogen production unit, a storage tank unit, a compressor module and an ammonia synthesis unit, wherein the storage tank unit comprises a hydrogen cache tank, a nitrogen cache tank and a liquid ammonia storage tank, a hydrogen inlet of the hydrogen cache tank is communicated and fixed with a gas outlet of the electrolyzed water hydrogen production unit, and a nitrogen inlet of the nitrogen cache tank is communicated and fixed with an outlet of the nitrogen production unit;
the compressor module comprises a raw material gas compressor unit, a synthesis gas compressor unit and an air compressor, wherein a raw material gas inlet of the raw material gas compressor unit is communicated and fixed with a hydrogen outlet of a hydrogen cache tank and a nitrogen outlet of a nitrogen cache tank at the same time, an air outlet of the air compressor is communicated and fixed with an air inlet of a nitrogen production unit, and the air compressor comprises an air port arranged on the outer side of the air compressor;
the synthesis ammonia unit comprises a synthesis tower, a waste heat recovery system, a heat exchanger, a cooling separation system and an oil-gas separator, wherein an outlet of the synthesis tower is communicated and fixed with an inlet of the waste heat recovery system, an outlet of the waste heat recovery system is communicated and fixed with a cold air inlet of the heat exchanger, a synthesis gas inlet of the heat exchanger is communicated and fixed with a synthesis gas outlet of the oil-gas separator, a gas inlet of the oil-gas separator is simultaneously communicated and fixed with an air outlet of a raw gas compressor unit and an air outlet of the synthesis gas compressor unit, one outlet of the heat exchanger is communicated and fixed with an inlet of the synthesis tower, two outlets of the heat exchanger are communicated and fixed with an inlet of the cooling separation system, a gas outlet of the cooling separation system is communicated and fixed with an inlet of the synthesis gas compressor unit, and a liquid outlet of the cooling separation system is communicated and fixed with an inlet of a liquid ammonia storage tank;
the power supply unit comprises a supplementary power unit and a photovoltaic or wind power module, the outlet of the liquid ammonia storage tank is communicated with and fixed with the supplementary power unit, the supplementary power unit is electrically connected with the electrolyzed water hydrogen production unit, the supplementary power unit is a generator set array taking liquid ammonia as fuel, the generator set array is formed by arranging a plurality of ammonia generators in an array manner, the electrolyzed water hydrogen production unit is electrically connected with the photovoltaic or wind power module, and the photovoltaic or wind power module and the supplementary power unit are electrically connected with the power supply end of the air compressor;
the electrolytic water hydrogen production unit comprises an electrolytic tank, a gas-liquid separation system and a purification system, wherein the electrolytic tank is of a filter-pressing bipolar series structure, water is electrolyzed into hydrogen and oxygen, the power supply end of the electrolytic tank is respectively and electrically connected with the photovoltaic or wind power module and the supplementary power unit, the hydrogen outlet of the electrolytic tank is communicated and fixed with the inlet of the gas-liquid separation system, the gas outlet of the gas-liquid separation system is communicated and fixed with the gas inlet of the purification system, and the gas outlet of the purification system is communicated and fixed with the hydrogen inlet of the hydrogen cache tank;
the nitrogen production unit comprises an air buffer tank, a filtering system and a pressure swing adsorption system, wherein an air inlet of the air buffer tank is communicated and fixed with an air outlet of the air compressor, an air outlet of the air buffer tank is communicated and fixed with an air inlet of the filtering system, an air outlet of the filtering system is communicated with an air inlet of the pressure swing adsorption system, and a nitrogen outlet of the pressure swing adsorption system is communicated and fixed with a nitrogen inlet of the nitrogen buffer tank; because the on-site prepared and stored liquid ammonia is used as the energy, the system can keep stable operation under the condition of long period without depending on external energy input, and in addition, no carbon emission exists in the use process, so that the off-grid operation of the green electricity hydrogen production and ammonia synthesis system can be realized.
The application method of the embodiment is as follows: the photovoltaic or wind power module is arranged to supply power for the electrolytic tank and the air compressor, when the wind power output is insufficient, the supplementing power unit takes liquid ammonia as a raw material to supply power for the electrolytic tank and the air compressor, the electrolytic water hydrogen production unit is matched with the electrolytic tank, the gas-liquid separation system and the purification system to prepare hydrogen and store the hydrogen into the hydrogen cache tank, the nitrogen preparation unit is matched with the air compressor, the air cache tank, the filtration system and the pressure swing adsorption system to prepare nitrogen and store the nitrogen into the nitrogen cache tank, the hydrogen in the hydrogen cache tank and the nitrogen in the nitrogen cache tank enter the raw material gas compressor unit, the raw material gas compressor unit compresses the raw material gas in the raw material gas compressor unit and leads the raw material gas into the oil-gas separator, the synthetic gas compressor unit compresses the synthetic gas in the raw material gas compressor unit and leads the synthetic gas in the oil-gas separator, the oil-gas separator is used for leading the synthesis gas and the raw material gas in the oil-gas separator into the synthesis gas inlet of the heat exchanger, one outlet of the heat exchanger is used for leading the synthesis gas and the raw material gas into the synthesis tower, the outlet of the synthesis tower is used for leading the ammonia gas into the heat exchanger, the waste heat recovery system is used for recovering the heat of the ammonia gas in the process of inputting the ammonia gas into the heat exchanger, the ammonia gas entering the heat exchanger is subjected to heat exchange treatment of the heat exchanger and then is led into the cooling separation system through the two outlets of the heat exchanger, the gas discharged by the cooling separation system is led into the synthesis gas compressor unit, in addition, the liquid ammonia discharged by the cooling separation system is stored into the liquid ammonia storage tank, the liquid ammonia storage tank is used for providing the needed raw materials for the supplementary power unit, and the generator unit taking the liquid ammonia as fuel of the green electricity to ensure the power supply of the synthesis ammonia system, starting to provide supplementary power when wind and light resources are insufficient; because the on-site prepared and stored liquid ammonia is used as the energy, the system can keep stable operation under the condition of long period without depending on external energy input, and in addition, no carbon emission exists in the use process, so that the off-grid operation of the green electricity hydrogen production and ammonia synthesis system can be realized.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a green electricity hydrogen manufacturing synthetic ammonia system, includes power supply unit, electrolysis water hydrogen manufacturing unit, nitrogen manufacturing unit, storage tank unit, compressor module and synthetic ammonia unit, its characterized in that:
the storage tank unit comprises a hydrogen cache tank, a nitrogen cache tank and a liquid ammonia storage tank, wherein a hydrogen inlet of the hydrogen cache tank is communicated and fixed with a gas outlet of the electrolyzed water hydrogen production unit, and a nitrogen inlet of the nitrogen cache tank is communicated and fixed with an outlet of the nitrogen production unit;
the compressor module comprises a raw material gas compressor unit, a synthesis gas compressor unit and an air compressor, wherein a raw material gas inlet of the raw material gas compressor unit is communicated and fixed with a hydrogen outlet of the hydrogen cache tank and a nitrogen outlet of the nitrogen cache tank at the same time, and an air outlet of the air compressor is communicated and fixed with an air inlet of the nitrogen production unit;
the synthesis ammonia unit comprises a synthesis tower, a waste heat recovery system, a heat exchanger, a cooling separation system and an oil-gas separator, wherein an outlet of the synthesis tower is communicated and fixed with an inlet of the waste heat recovery system, an outlet of the waste heat recovery system is communicated and fixed with a cold air inlet of the heat exchanger, a synthesis gas inlet of the heat exchanger is communicated and fixed with a synthesis gas outlet of the oil-gas separator, a gas inlet of the oil-gas separator is simultaneously communicated and fixed with an air outlet of a raw gas compressor unit and an air outlet of the synthesis gas compressor unit, one outlet of the heat exchanger is communicated and fixed with an inlet of the synthesis tower, two outlets of the heat exchanger are communicated and fixed with an inlet of the cooling separation system, a gas outlet of the cooling separation system is communicated and fixed with an inlet of the synthesis gas compressor unit, and a liquid outlet of the cooling separation system is communicated and fixed with an inlet of a liquid ammonia storage tank;
the power supply unit comprises a supplementary power unit and a photovoltaic or wind power module, the outlet of the liquid ammonia storage tank is communicated with and fixed with the supplementary power unit, the supplementary power unit is electrically connected with the electrolyzed water hydrogen production unit, the electrolyzed water hydrogen production unit is further electrically connected with the photovoltaic or wind power module, and the photovoltaic or wind power module and the supplementary power unit are electrically connected with the power supply end of the air compressor.
2. A green electricity generated hydrogen synthesis ammonia system according to claim 1, wherein: the electrolytic water hydrogen production unit comprises an electrolytic tank, a gas-liquid separation system and a purification system, wherein the power supply end of the electrolytic tank is respectively and electrically connected with the photovoltaic or wind power module and the supplementary power unit, the hydrogen outlet of the electrolytic tank is communicated and fixed with the inlet of the gas-liquid separation system, the gas outlet of the gas-liquid separation system is communicated and fixed with the gas inlet of the purification system, and the gas outlet of the purification system is communicated and fixed with the hydrogen inlet of the hydrogen cache tank.
3. A green electricity generated hydrogen synthesis ammonia system according to claim 1, wherein: the nitrogen making unit comprises an air buffer tank, a filtering system and a pressure swing adsorption system, wherein an air inlet of the air buffer tank is communicated and fixed with an air outlet of the air compressor, an air outlet of the air buffer tank is communicated and fixed with an air inlet of the filtering system, an air outlet of the filtering system is communicated with an air inlet of the pressure swing adsorption system, and a nitrogen outlet of the pressure swing adsorption system is communicated and fixed with a nitrogen inlet of the nitrogen buffer tank.
4. A green electricity generated hydrogen synthesis ammonia system according to claim 1, wherein: the air compressor comprises an air port arranged on the outer side of the air compressor.
5. A green electricity generated hydrogen synthesis ammonia system according to claim 1, wherein: the supplementary power unit is a generator set array taking liquid ammonia as fuel, and the generator set array is formed by arranging a plurality of ammonia generators in an array mode.
6. A green-electric hydrogen-producing ammonia synthesis system according to claim 2, wherein: the electrolytic cell is a filter-press bipolar series structure, where water is electrolyzed into hydrogen and oxygen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321882484.8U CN220432366U (en) | 2023-07-18 | 2023-07-18 | Green electricity hydrogen production synthetic ammonia system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321882484.8U CN220432366U (en) | 2023-07-18 | 2023-07-18 | Green electricity hydrogen production synthetic ammonia system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220432366U true CN220432366U (en) | 2024-02-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321882484.8U Active CN220432366U (en) | 2023-07-18 | 2023-07-18 | Green electricity hydrogen production synthetic ammonia system |
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| Country | Link |
|---|---|
| CN (1) | CN220432366U (en) |
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2023
- 2023-07-18 CN CN202321882484.8U patent/CN220432366U/en active Active
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