Mixed hydrogen source hydrogenation gas filling system

Abstract

The utility model discloses a mixed hydrogen source hydrogenation gas filling system which comprises a photovoltaic power generation unit, an electrolyzed water hydrogen production unit, a natural gas reforming hydrogen production unit, an electrolyzed water hydrogen compression and storage unit, a natural gas reforming product hydrogen compression and storage unit, a hydrogen filling unit, a natural gas compression and storage unit, a natural gas filling unit and a hydrogen long pipe trailer, based on the current technical situations of hydrogen production and hydrogen filling, the utility model provides a hydrogenation gas filling system of various mixed hydrogen sources such as water-collecting electrolysis hydrogen production, natural gas reforming hydrogen production and long-tube trailer hydrogen transportation, so that the problems of unstable hydrogen source and high hydrogen cost of the current hydrogen refueling station with a single hydrogen source can be solved, the safe, economical and stable operation of the hydrogen refueling station is facilitated, and the safety and the reliability of the hydrogen refueling station are improved. The hydrogen refueling station development is promoted. The hydrogen using reliability of the hydrogen refueling station can be improved, the hydrogen source cost is reduced, the running safety and economy of the hydrogen refueling station are improved, and the development of the hydrogen refueling station is promoted.

Description

Technical Field

[0001] The utility model relates to a mixed hydrogen source hydrogenation and gasification system, belonging to the technical field of hydrogen energy application. Background Art

[0002] Hydrogen transportation is an important area for realizing large-scale application of hydrogen energy and promoting the green and low-carbon transformation of the energy system. Hydrogen refueling stations are essential key infrastructure for the application of hydrogen energy in the transportation field. Recently, large-scale construction of hydrogen refueling stations has begun in China.

[0003] At present, more than 90% of hydrogen refueling stations in China use hydrogen from a single source of long-tube trailers outside the factory. They face the problems of unstable hydrogen supply and high transportation costs of long-tube trailers for high-pressure gas hydrogen. This is especially true for hydrogen refueling stations built in remote areas, where the above problems are more significant and have restricted the development of hydrogen refueling stations to a certain extent.

[0004] In addition, natural gas, as a clean energy, has been widely used.

[0005] Therefore, those skilled in the art urgently need to solve the technical problems of unstable hydrogen source of hydrogen refueling stations, high hydrogen cost, and how to combine natural gas or natural gas stations with hydrogen refueling stations. Summary of the invention

[0006] Purpose: In order to overcome the problems of unstable hydrogen source and high hydrogen cost caused by the single hydrogen source of hydrogen refueling stations in the prior art and the technical problem of how to combine natural gas or natural gas stations with hydrogen refueling stations, the utility model provides a mixed hydrogen source hydrogenation and refueling system.

[0007] Technical solution: To solve the above technical problems, the technical solution adopted by the utility model is:

[0008] A mixed hydrogen source hydrogenation and gasification system includes a photovoltaic power generation unit, a water electrolysis hydrogen production unit, a natural gas reforming hydrogen production unit, a water electrolysis product hydrogen compression storage unit, a natural gas reforming product hydrogen compression storage unit, a hydrogen filling unit, a natural gas compression storage unit, and a natural gas filling unit.

[0009] The photovoltaic power generation unit is used to convert solar energy into electrical energy to provide electrical energy for the water electrolysis hydrogen production unit.

[0010] The water electrolysis hydrogen production unit is used to produce hydrogen after electrolyzing water.

[0011] The water electrolysis product hydrogen compression storage unit is used to compress and store the hydrogen produced by the water electrolysis hydrogen production unit.

[0012] The natural gas reforming hydrogen production unit is used to produce hydrogen by reacting water with natural gas.

[0013] The natural gas reforming product hydrogen compression storage unit is used to compress and store the hydrogen produced by the natural gas reforming hydrogen production unit.

[0014] The natural gas compression storage unit is used for compressing and storing natural gas.

[0015] The hydrogen filling unit is used to fill the hydrogen compressed and stored in the water electrolysis product hydrogen compression storage unit and / or the natural gas reforming product hydrogen compression storage unit.

[0016] The natural gas filling unit is used to fill the natural gas in the natural gas compression storage unit.

[0017] As a preferred solution, it also includes: a hydrogen long tube trailer, wherein the hydrogen long tube trailer is used to provide hydrogen to the hydrogen filling unit.

[0018] As a preferred solution, the photovoltaic power generation unit includes a photovoltaic module and a combiner cabinet, and the photovoltaic module is connected to the input end of the combiner cabinet.

[0019] As a preferred solution, the electrolytic water hydrogen production unit includes a rectifier, the output end of the rectifier and the output end of the photovoltaic power generation unit are respectively connected to the input end of the dual power switching device, and the output end of the dual power switching device is connected to the power input end of the electrolytic hydrogen production device. The water inlet pipe is connected to the inlet of the pure water preparation device, the outlet of the pure water preparation device is connected to the water outlet pipe, the water outlet pipe is connected to the water inlet of the alkali liquid tank and the natural gas reforming hydrogen production unit through a branch, the water outlet of the alkali liquid tank is connected to the water inlet of the electrolytic hydrogen production device, and the hydrogen output port of the electrolytic hydrogen production device is connected to the input port of the electrolytic water product hydrogen compression storage unit.

[0020] As a preferred embodiment, the electrolyzed water product hydrogen compression storage unit includes a first hydrogen compressor, the first hydrogen compressor input port is connected to the hydrogen output port of the electrolyzed water hydrogen production unit, and the first hydrogen compressor output port is connected to the first hydrogen storage tank input port.

[0021] As a preferred embodiment, the natural gas reforming hydrogen production unit includes a steam generator, the branch water outlet of the water electrolysis hydrogen production unit is connected to the water inlet of the steam generator, the steam generator outlet is connected to the water vapor inlet of the natural gas water vapor hydrogen production device, the natural gas pipeline is connected to the inlet of the natural gas regulating cabinet, the outlet of the natural gas regulating cabinet is connected to the natural gas inlet of the natural gas water vapor hydrogen production device, and the hydrogen output port of the natural gas water vapor hydrogen production device is connected to the input port of the natural gas reforming product hydrogen compression storage unit.

[0022] As a preferred embodiment, the natural gas reforming product hydrogen compression storage unit includes a second hydrogen compressor, the second hydrogen compressor input port is connected to the hydrogen output port of the natural gas reforming hydrogen production unit, and the second hydrogen compressor output port is connected to the second hydrogen storage tank input port.

[0023] As a preferred embodiment, the natural gas compression storage unit includes a natural gas compressor, the natural gas compressor input port is connected to the natural gas pipeline, the natural gas compressor output port is connected to the input port of the natural gas storage tank, and the output port of the natural gas storage tank is connected to the input port of the natural gas filling unit.

[0024] As a preferred embodiment, the hydrogen filling unit includes a hydrogen unloading cabinet, the input port of the hydrogen unloading cabinet is respectively connected to the hydrogen output ports of the electrolyzed water product hydrogen compression storage unit and the natural gas reforming product hydrogen compression storage unit, and the output end of the hydrogen unloading cabinet is connected to the third hydrogen compressor, the third hydrogen storage tank and the hydrogen filling machine in sequence.

[0025] As a preferred solution, the third hydrogen compressor includes: a 45MPa hydrogen compressor and a 90MPa hydrogen compressor.

[0026] The third hydrogen storage tank includes: a 45MPa hydrogen storage tank and a 90MPa hydrogen storage tank.

[0027] The hydrogen filling machine includes: 35MPa hydrogen filling machine and 70MPa hydrogen filling machine.

[0028] As a preferred solution, the natural gas filling unit includes a natural gas unloading cabinet, the input port of the natural gas unloading cabinet is connected to the natural gas outlet of the natural gas compression storage unit, and the output port of the natural gas unloading cabinet is connected to the natural gas filling machine.

[0029] Beneficial effects: The utility model provides a mixed hydrogen source hydrogenation and refueling system, including a photovoltaic power generation unit, a water electrolysis hydrogen production unit, a natural gas reforming hydrogen production unit, a water electrolysis product hydrogen compression storage unit, a natural gas reforming product hydrogen compression storage unit, a hydrogen filling unit, a natural gas compression storage unit, a natural gas filling unit and a hydrogen long tube trailer; Based on the current status of hydrogen production and hydrogen filling technology, the utility model proposes a hydrogenation and refueling system solution that combines water electrolysis hydrogen production, natural gas reforming hydrogen production in the station, and long tube trailer hydrogen transportation outside the factory. It can solve the current problems of unstable hydrogen sources and high hydrogen costs in single hydrogen source hydrogenation stations, help hydrogenation stations operate safely, economically and stably, and promote the development of hydrogenation stations. It can improve the reliability of hydrogen use in hydrogenation stations, reduce hydrogen source costs, improve the safety and economy of hydrogenation station operations, and promote the development of hydrogenation stations. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] Figure 1It is a structural schematic diagram of the utility model.

[0031] 1-rectifier transformer, 2-dual power switching device, 3-pure water preparation device, 4-alkali liquid tank, 5-electrolytic hydrogen production device, 6-photovoltaic module, 7-combiner box, 8-first hydrogen compressor, 9-first hydrogen storage tank, 10-natural gas regulating cabinet, 11-steam generator, 12-natural gas water vapor hydrogen production device, 13-second hydrogen compressor, 14-second hydrogen storage tank, 15-hydrogen unloading cabinet, 16-45MPa hydrogen compressor, 17-45MPa hydrogen storage tank, 18-35MPa hydrogen filling machine, 19-90MPa hydrogen compressor, 20-90MPa hydrogen storage tank, 21-70MPa hydrogen filling machine, 22-natural gas compressor, natural gas storage tank, 24-natural gas unloading cabinet, 25-natural gas filling machine, 26-hydrogen long tube trailer. DETAILED DESCRIPTION

[0032] The following is a clear and complete description of the technical solutions in the examples of the utility model in conjunction with the drawings in the examples of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work are within the protection scope of the utility model.

[0033] The present invention will be further described below in conjunction with specific embodiments.

[0034] Embodiment 1:

[0035] like Figure 1 As shown, this embodiment introduces a mixed hydrogen source hydrogenation and gasification system, including a photovoltaic power generation unit, a water electrolysis hydrogen production unit, a natural gas reforming hydrogen production unit, a water electrolysis product hydrogen compression storage unit, a natural gas reforming product hydrogen compression storage unit, a hydrogen filling unit, a natural gas compression storage unit, a natural gas filling unit and a hydrogen long tube trailer 26.

[0036] The photovoltaic power generation unit is used to convert solar energy into electrical energy to provide electrical energy for the water electrolysis hydrogen production unit.

[0037] The water electrolysis hydrogen production unit is used to produce hydrogen after electrolyzing water.

[0038] The water electrolysis product hydrogen compression storage unit is used to compress and store the hydrogen produced by the water electrolysis hydrogen production unit.

[0039] The natural gas reforming hydrogen production unit is used to produce hydrogen by reacting water with natural gas.

[0040] The natural gas reforming product hydrogen compression storage unit is used to compress and store the hydrogen produced by the natural gas reforming hydrogen production unit.

[0041] The natural gas compression storage unit is used for compressing and storing natural gas.

[0042] The hydrogen filling unit is used to fill the hydrogen compressed and stored in the water electrolysis product hydrogen compression storage unit and / or the natural gas reforming product hydrogen compression storage unit.

[0043] The natural gas filling unit is used to fill the natural gas in the natural gas compression storage unit.

[0044] The hydrogen long tube trailer 26 is used to provide hydrogen to the hydrogen filling unit.

[0045] Furthermore, in this embodiment, if Figure 1 As shown, the photovoltaic power generation unit includes a photovoltaic component 6 and a combiner cabinet 7, and the photovoltaic component 6 is connected to the input end of the combiner cabinet 7.

[0046] Photovoltaic modules 6 are installed on the roof, ground, carport top, etc. of the hydrogen and gas station building. The photovoltaic power is collected through a combiner cabinet 7 and directly used in the electrolytic hydrogen production system.

[0047] Furthermore, in this embodiment, if Figure 1 As shown, the electrolytic water hydrogen production unit includes a rectifier 1, the output end of the rectifier 1 and the output end of the photovoltaic power generation unit are respectively connected to the input end of the dual power switching device 2, and the output end of the dual power switching device 2 is connected to the power input end of the electrolytic hydrogen production device 5. The water inlet pipe is connected to the inlet of the pure water preparation device 3, the outlet of the pure water preparation device 3 is connected to the water outlet pipe, the water outlet pipe is connected to the water inlet of the alkali liquid tank 4 and the natural gas reforming hydrogen production unit through a branch, the water outlet of the alkali liquid tank 4 is connected to the water inlet of the electrolytic hydrogen production device 5, and the hydrogen output port of the electrolytic hydrogen production device 5 is connected to the input port of the electrolytic water product hydrogen compression storage unit.

[0048] The electrolytic hydrogen production system uses two power sources, one is connected to the mains, and is connected to the dual power switching device 2 through the rectifier 1, and the other power source comes from the junction cabinet 7 of the photovoltaic power generation unit. The two power sources are distributed by the dual power switching device 2 and connected to the electrolytic hydrogen production device 5. The purpose of this setting is that the power supply used by the electrolytic hydrogen production device preferentially uses the direct current of the photovoltaic power generation system, and the power source connected to the mains is used as a backup power source when the stability of the direct current power source is poor, or is used during the off-peak period. The electrolytic hydrogen production device 5 uses an alkaline water electrolysis hydrogen production device. The municipal tap water is passed through the pure water preparation device 3 to obtain pure water, which is passed into the alkali liquid tank 4 and replenished into the electrolytic hydrogen production device 5. The electrolytic hydrogen production device is skid-mounted and contains auxiliary facilities such as gas washing, purification, and detection.

[0049] Furthermore, in this embodiment, if Figure 1 As shown, the natural gas reforming hydrogen production unit includes a steam generator 11, a branch water outlet of the water electrolysis hydrogen production unit is connected to the water inlet of the steam generator 11, the outlet of the steam generator 11 is connected to the water vapor inlet of the natural gas water vapor hydrogen production device 12, the natural gas pipeline is connected to the inlet of the natural gas regulating cabinet 10, the outlet of the natural gas regulating cabinet 10 is connected to the natural gas inlet of the natural gas water vapor hydrogen production device 12, and the hydrogen output port of the natural gas water vapor hydrogen production device 12 is connected to the input port of the natural gas reforming product hydrogen compression storage unit.

[0050] The natural gas from the municipal pipeline network enters the natural gas regulating cabinet 10 for buffering, preheating and tempering, and then enters the natural gas steam hydrogen production device 12. The softened water from the pure water preparation device 3 of the water electrolysis hydrogen production unit enters the steam generator 11, and enters the natural gas steam hydrogen production device 12 after generating steam. The natural gas steam hydrogen production device 12 is an integrated skid-mounted equipment, which can realize the processes of synthesis gas preparation, conversion reaction, hydrogen separation and PSA purification in the skid to produce hydrogen products that meet the filling purity.

[0051] Furthermore, in this embodiment, if Figure 1 As shown, the electrolyzed water product hydrogen compression storage unit includes a first hydrogen compressor 8, the input port of the first hydrogen compressor 8 is connected to the hydrogen output port of the electrolyzed water hydrogen production unit, and the output port of the first hydrogen compressor 8 is connected to the input port of the first hydrogen storage tank 9.

[0052] The hydrogen from the electrolytic hydrogen production device 5 is compressed to 20 MPa by a 20 MPa hydrogen compressor and then stored in a 20 MPa hydrogen storage tank for use in the hydrogen filling unit.

[0053] Furthermore, in this embodiment, if Figure 1 As shown, the natural gas reforming product hydrogen compression storage unit includes a second hydrogen compressor 13, the input port of the second hydrogen compressor 13 is connected to the hydrogen output port of the natural gas reforming hydrogen production unit, and the output port of the second hydrogen compressor 13 is connected to the input port of the second hydrogen storage tank 14.

[0054] The hydrogen from the natural gas steam reforming hydrogen production device 12 is compressed to 20 MPa by a 20 MPa hydrogen compressor and then stored in a 20 MPa hydrogen storage tank for use in the hydrogen filling unit.

[0055] Furthermore, in this embodiment, if Figure 1 As shown, the natural gas compression storage unit includes a natural gas compressor 22, the input port of the natural gas compressor 22 is connected to the natural gas pipeline, the output port of the natural gas compressor 22 is connected to the input port of the natural gas storage tank 23, and the output port of the natural gas storage tank 23 is connected to the input port of the natural gas filling unit.

[0056] The natural gas from the municipal pipeline is compressed to 25MPa by a 25MPa natural gas compressor and then stored in a 25MPa natural gas storage tank for use in the natural gas filling unit.

[0057] Furthermore, in this embodiment, if Figure 1 As shown, the hydrogen filling unit includes a hydrogen unloading cabinet 15, the input port of the hydrogen unloading cabinet 15 is respectively connected to the hydrogen output ports of the electrolyzed water product hydrogen compression storage unit and the natural gas reforming product hydrogen compression storage unit, and the output end of the hydrogen unloading cabinet 15 is connected to the third hydrogen compressor, the third hydrogen storage tank and the hydrogen filling machine in sequence.

[0058] Furthermore, the third hydrogen compressor includes: a 45MPa hydrogen compressor 16 and a 90MPa hydrogen compressor 19 .

[0059] The third hydrogen storage tank includes: a 45MPa hydrogen storage tank 17 and a 90MPa hydrogen storage tank 20.

[0060] The hydrogen filling machines include: a 35MPa hydrogen filling machine 18 and a 70MPa hydrogen filling machine 21 .

[0061] The hydrogen source of the hydrogen filling unit comes partly from the hydrogen compression storage unit of the electrolyzed water product, partly from the hydrogen compression storage unit of the natural gas reforming product, and partly from the hydrogen long tube trailer 26. After the hydrogen is unloaded from the hydrogen unloading cabinet 15, it is sent to the 45MPa hydrogen compressor 16 and the 90MPa hydrogen compressor 19 respectively, and after being compressed, it is stored in the 45MPa hydrogen storage tank 17 and the 90MPa hydrogen storage tank 20 respectively. The hydrogen filling station is equipped with a 35MPa hydrogen filling machine 18 and a 70MPa hydrogen filling machine 21, which can fill hydrogen for different types of hydrogen energy vehicles.

[0062] Furthermore, in this embodiment, if Figure 1 As shown, the natural gas filling unit includes a natural gas unloading cabinet 24 , the input port of the natural gas unloading cabinet 24 is connected to the natural gas outlet of the natural gas compression storage unit, and the output port of the natural gas unloading cabinet 24 is connected to the natural gas filling machine 25 .

[0063] The gas source of the natural gas filling unit comes from the municipal pipeline network natural gas, and after passing through the natural gas unloading cabinet 24, it is sent to the 25MPa natural gas filling machine for filling the natural gas vehicle.

[0064] Furthermore, in this embodiment, if Figure 1 As shown, the hydrogen long tube trailer 26 unloads the gas from the trailer and introduces it into the hydrogen unloading cabinet 15 together with the hydrogen produced in the station, as a supplementary hydrogen source when the hydrogen production output in the station is insufficient.

[0065] Embodiment 2:

[0066] A mixed hydrogen source hydrogenation and gasification system is used for the construction and operation of hydrogenation stations. First, the hydrogenation scale of the proposed hydrogenation station is determined, and the daily hydrogen consumption is determined based on the scale; the priority between the three hydrogen sources is determined, and the allocation of various hydrogen sources is determined in turn according to the priority; according to the result of the hydrogen source allocation, the scale of the water electrolysis hydrogen production and natural gas reforming hydrogen production equipment in the station is determined; according to the determined scale of the water electrolysis hydrogen production equipment, the power required for electrolysis hydrogen production is calculated, and the capacity of the photovoltaic power generation unit is determined according to the time period when photovoltaic power generation can be used; according to the determined scale of the natural gas reforming hydrogen production equipment and the natural gas filling demand, the municipal natural gas consumption is determined.

[0067] A mixed hydrogen source hydrogenation and refueling system, wherein the photovoltaic power generation unit comprises a monocrystalline silicon photovoltaic module and a junction box, the photovoltaic module is arranged on the roof, ground, carport top surface, etc. of the hydrogenation and refueling station, and the photovoltaic electricity is directly supplied to the electrolytic hydrogen production system through the junction box; the electrolytic hydrogen production unit comprises an electrolytic cell device, an alkaline solution circulation device, and a pure water preparation device, which is used to produce hydrogen using photovoltaic power generation or municipal electricity; the natural gas reforming hydrogen production unit is an integrated skid-mounted equipment, including a natural gas regulating cabinet, a steam generating device, and a natural gas water vapor hydrogen production device, which is used to produce hydrogen using municipal pipeline network natural gas; the electrolytic water product hydrogen compression storage unit, the natural gas reforming product hydrogen compression storage unit, and the natural gas compression storage unit include corresponding gas compressors and gas storage tanks, which are used to store gas and supply it to subsequent refueling units; the hydrogen refueling unit includes hydrogen compression, storage, and refueling facilities, and is an integrated skid-mounted equipment.

[0068] Compared with the conventional off-station long-tube trailer hydrogen supply system, the on-station hydrogen production system of the utility model can ensure the stability of hydrogen source, save hydrogen transportation cost, and reduce hydrogen cost. It can complement the off-station long-tube trailer to form a variety of complementary mixed hydrogen sources. Among the hydrogen production methods, water electrolysis hydrogen production has the advantages of high hydrogen purity and good environmental benefits, and natural gas reforming hydrogen production has the advantages of mature and reliable technology, stable hydrogen production, and skid-mounted. These two hydrogen production methods are more suitable for hydrogen production in hydrogen refueling stations.

[0069] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A mixed hydrogen source hydrogenation and gasification system, characterized in that: Including photovoltaic power generation unit, water electrolysis hydrogen production unit, natural gas reforming hydrogen production unit, water electrolysis product hydrogen compression storage unit, natural gas reforming product hydrogen compression storage unit, hydrogen filling unit, natural gas compression storage unit, natural gas filling unit; The photovoltaic power generation unit is used to convert solar energy into electrical energy to provide electrical energy for the water electrolysis hydrogen production unit; The water electrolysis hydrogen production unit is used to produce hydrogen after electrolyzing water; The water electrolysis product hydrogen compression storage unit is used to compress and store the hydrogen produced by the water electrolysis hydrogen production unit; The natural gas reforming hydrogen production unit is used to produce hydrogen by reacting water with natural gas; The natural gas reforming product hydrogen compression storage unit is used to compress and store the hydrogen produced by the natural gas reforming hydrogen production unit; The natural gas compression storage unit is used to compress and store natural gas; The hydrogen filling unit is used to fill the hydrogen compressed and stored in the water electrolysis product hydrogen compression storage unit and / or the natural gas reforming product hydrogen compression storage unit; The natural gas filling unit is used to fill the natural gas in the natural gas compression storage unit.

2. A mixed hydrogen source hydrogenation and gasification system according to claim 1, characterized in that: Also includes: A hydrogen long tube trailer (26), wherein the hydrogen long tube trailer (26) is used to provide hydrogen to a hydrogen filling unit.

3. A mixed hydrogen source hydrogenation and gasification system according to claim 1 or 2, characterized in that: The photovoltaic power generation unit comprises a photovoltaic assembly (6) and a combiner cabinet (7), wherein the photovoltaic assembly (6) is connected to an input end of the combiner cabinet (7).

4. A mixed hydrogen source hydrogenation and gasification system according to claim 1 or 2, characterized in that: The water electrolysis hydrogen production unit comprises a rectifier (1), wherein the output end of the rectifier (1) and the output end of the photovoltaic power generation unit are respectively connected to the input end of the dual power switching device (2), and the output end of the dual power switching device (2) is connected to the power input end of the electrolysis hydrogen production device (5); the water inlet pipe is connected to the inlet of the pure water preparation device (3), the outlet of the pure water preparation device (3) is connected to the water outlet pipe, the water outlet pipe is respectively connected to the water inlet of the alkali liquid tank (4) and the natural gas reforming hydrogen production unit through branches, the water outlet of the alkali liquid tank (4) is connected to the water inlet of the electrolysis hydrogen production device (5), and the hydrogen output port of the electrolysis hydrogen production device (5) is connected to the input port of the water electrolysis product hydrogen compression storage unit.

5. A mixed hydrogen source hydrogenation and gasification system according to claim 1 or 2, characterized in that: The electrolytic water product hydrogen compression storage unit comprises a first hydrogen compressor (8), the input port of the first hydrogen compressor (8) is connected to the hydrogen output port of the electrolytic water hydrogen production unit, and the output port of the first hydrogen compressor (8) is connected to the input port of the first hydrogen storage tank (9).

6. A mixed hydrogen source hydrogenation and gasification system according to claim 1 or 2, characterized in that: The natural gas reforming hydrogen production unit comprises a steam generator (11), a branch water outlet of the water electrolysis hydrogen production unit is connected to a water inlet of the steam generator (11), the outlet of the steam generator (11) is connected to a water vapor inlet of a natural gas water vapor hydrogen production device (12), a natural gas pipeline is connected to an inlet of a natural gas regulating cabinet (10), the outlet of the natural gas regulating cabinet (10) is connected to a natural gas inlet of the natural gas water vapor hydrogen production device (12), and the hydrogen output port of the natural gas water vapor hydrogen production device (12) is connected to an input port of a natural gas reforming product hydrogen compression storage unit.

7. A mixed hydrogen source hydrogenation and gasification system according to claim 1 or 2, characterized in that: The natural gas reforming product hydrogen compression storage unit comprises a second hydrogen compressor (13), the input port of the second hydrogen compressor (13) is connected to the hydrogen output port of the natural gas reforming hydrogen production unit, and the output port of the second hydrogen compressor (13) is connected to the input port of the second hydrogen storage tank (14).

8. A mixed hydrogen source hydrogenation and gasification system according to claim 1 or 2, characterized in that: The natural gas compression storage unit comprises a natural gas compressor (22), the input port of the natural gas compressor (22) being connected to a natural gas pipeline, the output port of the natural gas compressor (22) being connected to the input port of a natural gas storage tank (23), and the output port of the natural gas storage tank (23) being connected to the input port of the natural gas filling unit.

9. A mixed hydrogen source hydrogenation and gasification system according to claim 1 or 2, characterized in that: The hydrogen filling unit comprises a hydrogen unloading cabinet (15), the input port of the hydrogen unloading cabinet (15) is respectively connected to the hydrogen output ports of the electrolyzed water product hydrogen compression storage unit and the natural gas reforming product hydrogen compression storage unit, and the output end of the hydrogen unloading cabinet (15) is sequentially connected to a third hydrogen compressor, a third hydrogen storage tank and a hydrogen filling machine.

10. A mixed hydrogen source hydrogenation and gasification system according to claim 1 or 2, characterized in that: The natural gas filling unit comprises a natural gas unloading cabinet (24), the input port of the natural gas unloading cabinet (24) is connected to the natural gas outlet of the natural gas compression storage unit, and the output port of the natural gas unloading cabinet (24) is connected to the natural gas filling machine (25).

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