CN209358250U - A kind of energy internet system based on natural gas, hydrogen, electric power - Google Patents
A kind of energy internet system based on natural gas, hydrogen, electric power Download PDFInfo
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- CN209358250U CN209358250U CN201920123576.5U CN201920123576U CN209358250U CN 209358250 U CN209358250 U CN 209358250U CN 201920123576 U CN201920123576 U CN 201920123576U CN 209358250 U CN209358250 U CN 209358250U
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Abstract
The energy internet system based on natural gas, hydrogen, electric power that the utility model relates to a kind of, including hydrogen gas system, right gas system, renewable energy system and afterheat utilizing system, renewable energy system is connect with hydrogen gas system, hydrogen gas system is connect with right gas system and afterheat utilizing system respectively, and right gas system is connect with afterheat utilizing system；Hydrogen gas system, right gas system and renewable energy system are also connect with network system, and right gas system is also connect with right feed channel；Also user, hydrogen users end are connect hydrogen gas system on the spot with fuel cell, and afterheat utilizing system is also connect with heat user end, cold heat user terminal.The utility model preferentially carries out water electrolysis hydrogen production using renewable energy, and hydrogen energy source is organically combined using system with combustion gas distribution and power grid, overcome deficiency present in existing energy network, both the situation of natural gas shortage had been can solve, have the function of peak load regulation network again, there is greatly energy conservation and environmental benefit.
Description
Technical field
The utility model relates to a kind of energy internet system, be based particularly on hydrogen energy source utilize with combustion gas it is distributed and
The energy internet system that power grid combines.
Background technique
Currently, China is faced with the critical period of energy revolution and industry restructuring, although biography can be substituted by developing Hydrogen Energy
System fossil energy, is both the important component of Chinese energy safety strategy, and the important channel of optimization energy consumption structure.
Hydrogen Energy is from a wealth of sources, energy efficiency is high, energy density is high.As the most clean energy, Hydrogen Energy itself is pollution-free, can achieve zero
Carbon emission, emission are only water and heat.Hydrogen Energy is a kind of very important secondary energy sources on world energy sources stage, is a kind of pole
For the superior energy, major advantage has: combustion heat value is high, and the heat after every kilogram of hydrogen burning is about 3 times of gasoline, natural gas
2.5 times, 5.2 times of alcohol, 4.3 times of coal.The product of burning is in addition to H2O was entirely energized without other intermediate products
Journey without waste, it is pollution-free.In addition, hydrogen resource is abundant, hydrogen can be produced by water, and water is money the most abundant on the earth
Source, hydrogen utilization historical romance natural material recycles, the classical processes of sustainable development.
The renewable energy such as solar energy, wind energy, water energy, biomass energy, geothermal energy, tide energy, wave energy have resource rich
The characteristics of rich, using cleaning, but have the shortcomings that apparent timeliness, regionality and unstability, keep its application value big
It gives a discount.Since Hydrogen Energy has the storability that electric energy and thermal energy are lacked, so that Hydrogen Energy becomes best renewable energy
Secondary carrier.Unstable renewable energy conversion can be got up for hydrogen energy storage, convenient for sustainedly and stably using.Thus,
For certain angle, develop the prerequisite that Hydrogen Energy is Renewable Energy Development.Hydrogen Energy is with its source multiplicity, cleaning without dirt
Dye, energy density it is big, renewable, easy storage, it is widely used the advantages that, be considered as the master that global energy makes the transition to sustainable development
One of path is wanted, is had a high potential in terms of the integration of extensive renewable energy and terminal applies.
Natural Gas In China yield constantly increases, but it is also very huge for consuming notch.It is quick along with natural gas consumption
Increase, China's gas supply safety guarantee problem is more and more severeer, and the annual increment of resource is still not enough to support market for natural gas
The annual increment of continuous 300 billion cubic meter.Imported L NG and inlet pipeline gas are by receiving station, pipeline ability and import gas price resource
Restriction.In future, domestic routine gas, which produces releasable bonus, gradually to be weakened, and output increases will be maintained within 8,000,000,000 sides.
In conclusion Hydrogen Energy is extremely strong and important supplement, while Hydrogen Energy conduct in the case where natural gas shortage
The secondary carrier of renewable energy provides opportunity for the development of renewable energy.Currently, Distribution of Natural formula energy project is general
Store-through is having a single function, and interacts connection with outside resources network shortage, and between major energy network such as natural gas network, power grid
It is substantially at the state of isolating, has seriously affected the whole efficiency of China's energy resource system.
Utility model content
In view of the above-mentioned problems, overcoming existing energy net the purpose of this utility model is to provide a kind of energy internet
Deficiency present in network, not only can solve the situation of natural gas shortage, but also have the function of peak load regulation network, have greatly energy conservation and
Environmental benefit is realized the strong allotment between the various energy and is combined.
The technical scheme in the invention for solving the above technical problem is: it is a kind of based on natural gas, hydrogen, electric power energy
Source interconnection net system, it is characterised in that: including hydrogen gas system, right gas system, renewable energy system and UTILIZATION OF VESIDUAL HEAT IN system
System, the renewable energy system connect with hydrogen gas system, the hydrogen gas system respectively with right gas system and UTILIZATION OF VESIDUAL HEAT IN
System connection, the right gas system are connect with afterheat utilizing system；The hydrogen gas system, right gas system and renewable energy power generation
System is also connect with network system, and the right gas system is also connect with right feed channel；The hydrogen gas system also with fuel cell
User, the connection of hydrogen users end, the afterheat utilizing system are also connect with heat user end, cold heat user terminal on the spot.
Furthermore, the hydrogen gas system includes water electrolysis system, hydrogen container, fuel cell generation, oxygen container
With hydrogen-expansion electricity generation system, the right gas system includes fuel engine power generation unit, LNG storage tank, gasification system and gas fuel electricity
Cell system, the renewable energy system include solar power system and Stirling heat generating system, the waste heat benefit
It include afterheat boiler electricity-generating system, absorption type heat pump system and cold-storage/thermal storage equipment with system；The solar power system,
Stirling heat generating system is connect with water electrolysis system, the water electrolysis system respectively with hydrogen container, oxygen container and hydrogen-expansion
Electricity generation system connection, the hydrogen container are connect with fuel cell generation, hydrogen-expansion electricity generation system respectively；The fuel cell
Electricity generation system is connect with afterheat boiler electricity-generating system, absorption type heat pump system respectively, the absorption type heat pump system also with cold-storage/
Thermal storage equipment connection；The oxygen container is connect with fuel engine power generation unit, oxygen consumer end respectively, and the LNG storage tank and gasification are
System connection, the gasification system are connect with natural gas fuel cell system, fuel engine power generation unit and cold-storage/thermal storage equipment respectively,
The natural gas fuel cell system is connect with afterheat boiler electricity-generating system, absorption type heat pump system respectively.
Furthermore, the hydrogen-expansion electricity generation system is connect with hydrogen users end, the fuel cell generation with
User connects fuel cell on the spot, and the afterheat boiler electricity-generating system connect with heat user end, the cold-storage/thermal storage equipment and
The connection of cold heat user terminal.
Furthermore, the gasification system is connect with right feed channel, the right feed channel and natural gas fuel cell system
System connection.
Furthermore, the solar power system, Stirling heat generating system, water electrolysis system, fuel cell hair
Electric system, hydrogen-expansion electricity generation system, fuel engine power generation unit, natural gas fuel cell system and afterheat boiler electricity-generating system with electricity
The connection of net system.
Working method is as follows:
Renewable energy system utilizes solar power generation, and electricity amount preferentially supplies water electrolysis system, extra
Electricity is sent into network system.
Water electrolysis system preferentially uses the electric power of renewable energy system institute's electricity and network system paddy section, electrolysis
The hydrogen that water system generates enters hydrogen container, the oxygen of generation enters oxygen container, and hydrogen-expansion electricity generation system institute electricity preferentially supplies
To water electrolysis system or on-site elimination, extra electricity is sent into network system.
The preferential on-site elimination of fuel cell generation institute electricity, extra electricity pushing electric network system；It generates electricity through hydrogen-expansion
Hydrogen after system supplies hydrogen users end.
The cooling capacity that gasification system displaces enters cold pipe network or needs cold technique or cold-storage/thermal storage equipment, natural after gasification
Gas enters outer defeated right feed channel, alternatively, part enters natural gas fuel cell system or fuel engine power generation unit, gas fuel electricity
High-temperature flue gas caused by cell system enters afterheat boiler electricity-generating system or absorption type heat pump system, produced by fuel engine power generation unit
High-temperature flue gas enter afterheat boiler electricity-generating system.
The afterheat steam of afterheat boiler electricity-generating system enters absorption type heat pump system or enters heat user end, absorption heat pump
The cold heat amount that system generates is directly entered cold heat user terminal or enters cold heat user terminal after cold-storage/thermal storage equipment.
The utility model compared with prior art, has the following advantages that and effect:
(1) effective secondary carrier-hydrogen is provided for renewable energy, and hydrogen storage can be got up, convenient for holding
It is continuous steadily to use；
(2) Hydrogen Energy effectively alleviates the insufficient situation of natural gas, and the product of combustion of hydrogen is in addition to H2O is without among other
Product, whole process is pollution-free, has significant environmental benefit and social benefit, and hydrogen can be produced by water, resourceful, reaches
To the purpose of sustainable development；
(3) hydrogen fuel cell can be in paddy section period consumption electric energy hydrogen manufacturing and by under energy storage, and electricity consumption on daytime is high
The peak phase consumes hydrogen to grid transmission, realizes peak load regulation network function；
(4) natural gas fuel cell/hydrogen fuel cell can provide electric energy and simultaneously using heat, and total utilization efficiency is reachable
90%, there is higher efficiency than traditional gas turbine/internal combustion engine/micro turbine unit, be effective supplement to traditional combustion engine,
And there is modular construction, and it assembles and easy to maintain, adapts to a variety of environment and weather conditions, it is more more flexible than traditional combustion engine；
(5) afterheat utilizing system has energy storage device, so that cold-storage/accumulation of heat is more flexible, improves whole energy benefit
With rate, resource has been saved；
(6) energy resource system may be implemented the packing sale of electricity for certain region or industrial park etc., sell gas, for industry such as cold heats
Profit model diversification is realized in business；
(7) each module can be customized according to user demand in system, is more nearly user side, and using energy source cleaning is high
Effect；
(8) the utility model can organically be connected the energy such as Hydrogen Energy, natural gas, electric power internet using intelligence control system
It picks up and, according to each module working conditions of real-time monitorings such as market conditions, customer demand and costs, make whole use can be most economical,
Whole energy conversion highest.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment.
In figure: hydrogen gas system A, right gas system B, renewable energy system C, afterheat utilizing system D, solar power generation
System 1, Stirling heat generating system 2, water electrolysis system 3, hydrogen container 4, fuel cell generation 5, oxygen container 6, hydrogen-expansion
Electricity generation system 7, fuel engine power generation unit 8, LNG storage tank 9, gasification system 10, natural gas fuel cell system 11, Waste Heat Generation
System 12, absorption type heat pump system 13, network system 14, right feed channel 15, oxygen consumer end 16, heat user end 17, fuel electricity
Pond user 18, hydrogen users end 19, cold-storage/thermal storage equipment 20, cold heat user terminal 21 on the spot.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment.
Referring to Fig. 1, the energy internet system based on natural gas, hydrogen, electric power in the present embodiment, including hydrogen gas system
A, right gas system B, renewable energy system C and afterheat utilizing system D, renewable energy system C and hydrogen gas system A
Connection, hydrogen gas system A are connect with right gas system B and afterheat utilizing system D respectively, and right gas system B and afterheat utilizing system D connect
It connects；Hydrogen gas system A, right gas system B and renewable energy system C are also connect with network system 14, right gas system B also with
Right feed channel 15 connects；Also user 18, hydrogen users end 19 are connect hydrogen gas system A on the spot with fuel cell, afterheat utilizing system D
Also it is connect with heat user end 17, cold heat user terminal 21.Wherein, hydrogen gas system A, right gas system B, renewable energy system C
It can be supplemented with other several systems of the system failure any one of in afterheat utilizing system D.
In the present embodiment, hydrogen gas system A includes water electrolysis system 3, hydrogen container 4, fuel cell generation 5, oxygen container 6
With hydrogen-expansion electricity generation system 7, right gas system B includes fuel engine power generation unit 8, LNG storage tank 9, gasification system 10 and gas fuel
Battery system 11, renewable energy system C include solar power system 1 and Stirling heat generating system 2, UTILIZATION OF VESIDUAL HEAT IN
System D includes afterheat boiler electricity-generating system 12, absorption type heat pump system 13 and cold-storage/thermal storage equipment 20；Solar power system
1, Stirling heat generating system 2 is connect with water electrolysis system 3, and water electrolysis system 3 is swollen with hydrogen container 4, oxygen container 6 and hydrogen respectively
Swollen electricity generation system 7 connects, and hydrogen container 4 is connect with fuel cell generation 5, hydrogen-expansion electricity generation system 7 respectively；Fuel cell hair
Electric system 5 is connect with afterheat boiler electricity-generating system 12, absorption type heat pump system 13 respectively, absorption type heat pump system 13 also with storage
Cold/thermal storage equipment 20 connects；Oxygen container 6 is connect with fuel engine power generation unit 8, oxygen consumer end 16 respectively, LNG storage tank 9 and gasification
System 10 connect, gasification system 10 respectively with natural gas fuel cell system 11, fuel engine power generation unit 8 and cold-storage/thermal storage equipment
20 connections, natural gas fuel cell system 11 are connect with afterheat boiler electricity-generating system 12, absorption type heat pump system 13 respectively.
In the present embodiment, hydrogen-expansion electricity generation system 7 is connect with hydrogen users end 19, fuel cell generation 5 and fuel
User 18 connects battery on the spot, and afterheat boiler electricity-generating system 12 is connect with heat user end 17, cold-storage/thermal storage equipment 20 and cold heat
User terminal 21 connects.
In the present embodiment, gasification system 10 is connect with right feed channel 15, right feed channel 15 and natural gas fuel cell system
11 connections.
In the present embodiment, solar power system 1, Stirling heat generating system 2, water electrolysis system 3, fuel cell power generation
System 5, hydrogen-expansion electricity generation system 7, fuel engine power generation unit 8, natural gas fuel cell system 11 and afterheat boiler electricity-generating system 12
It is connect with network system 14.
In the present embodiment, the working method of the energy internet system based on natural gas, hydrogen, electric power is as follows:
Renewable energy system C utilizes solar power generation, and electricity amount preferentially supplies water electrolysis system 3, extra
Electricity be sent into network system 14.
Water electrolysis system 3 preferentially uses the electric power of renewable energy system C institute's electricity and network system 14 paddy section,
The hydrogen that water electrolysis system 3 generates enters hydrogen container 4, the oxygen of generation enters oxygen container 6, and hydrogen-expansion electricity generation system 7 is generated electricity
Power preferentially supplies water electrolysis system 3 or on-site elimination, and extra electricity is sent into network system 14.
5 preferential on-site eliminations of electricity of fuel cell generation, extra electricity pushing electric network system 14；It is sent out through hydrogen-expansion
Hydrogen after electric system 7 supplies hydrogen users end 19.
The cooling capacity that gasification system 10 displaces enters cold pipe network or needs cold technique or cold-storage/thermal storage equipment 20, after gasification
Natural gas enters outer defeated right feed channel 15, alternatively, part enters natural gas fuel cell system 11 or fuel engine power generation unit 8, day
High-temperature flue gas caused by right gas fuel cell system 11 enters afterheat boiler electricity-generating system 12 or absorption type heat pump system 13, fires
High-temperature flue gas caused by machine generating set 8 enters afterheat boiler electricity-generating system 12.
The afterheat steam of afterheat boiler electricity-generating system 12 enters absorption type heat pump system 13 or enters heat user end 17, absorbs
The cold heat amount that formula heat pump system 13 generates is directly entered cold heat user terminal 21 or enters cold heat after cold-storage/thermal storage equipment 20
User terminal 21.
Although the utility model is disclosed as above with embodiment, its protection scope being not intended to limit the utility model,
Any technical staff for being familiar with this technology, it is made in the conception and scope for not departing from the utility model to change and retouch,
It all should belong to the protection range of the utility model.
Claims (5)
1. a kind of energy internet system based on natural gas, hydrogen, electric power, it is characterised in that: including hydrogen gas system (A), so
Gas system (B), renewable energy system (C) and afterheat utilizing system (D), the renewable energy system (C) with
Hydrogen gas system (A) connection, the hydrogen gas system (A) connect with right gas system (B) and afterheat utilizing system (D) respectively, described right
Gas system (B) is connect with afterheat utilizing system (D)；The hydrogen gas system (A), right gas system (B) and renewable energy power generation system
System (C) is also connect with network system (14), and the right gas system (B) also connect with right feed channel (15)；The hydrogen gas system
(A) also user (18), hydrogen users end (19) are connect on the spot with fuel cell, and the afterheat utilizing system (D) is gone back and heat user
Hold (17), cold heat user terminal (21) connection.
2. the energy internet system according to claim 1 based on natural gas, hydrogen, electric power, it is characterised in that: described
Hydrogen gas system (A) includes water electrolysis system (3), hydrogen container (4), fuel cell generation (5), oxygen container (6) and hydrogen-expansion
Electricity generation system (7), the right gas system (B) include fuel engine power generation unit (8), LNG storage tank (9), gasification system (10) and natural
Gas fuel cell system (11), the renewable energy system (C) include solar power system (1) and Stirling heat hair
Electric system (2), the afterheat utilizing system (D) include afterheat boiler electricity-generating system (12), absorption type heat pump system (13) and store
Cold/thermal storage equipment (20)；The solar power system (1), Stirling heat generating system (2) connect with water electrolysis system (3)
It connects, the water electrolysis system (3) connect with hydrogen container (4), oxygen container (6) and hydrogen-expansion electricity generation system (7) respectively, the hydrogen storage
Tank (4) is connect with fuel cell generation (5), hydrogen-expansion electricity generation system (7) respectively；The fuel cell generation (5)
Connect respectively with afterheat boiler electricity-generating system (12), absorption type heat pump system (13), the absorption type heat pump system (13) also with
Cold-storage/thermal storage equipment (20) connection；The oxygen container (6) connect with fuel engine power generation unit (8), oxygen consumer end (16) respectively,
The LNG storage tank (9) connect with gasification system (10), the gasification system (10) respectively with natural gas fuel cell system
(11), fuel engine power generation unit (8) and cold-storage/thermal storage equipment (20) connection, the natural gas fuel cell system (11) respectively with
Afterheat boiler electricity-generating system (12), absorption type heat pump system (13) connection.
3. the energy internet system according to claim 2 based on natural gas, hydrogen, electric power, it is characterised in that: described
Hydrogen-expansion electricity generation system (7) is connect with hydrogen users end (19), and the fuel cell generation (5) is used on the spot with fuel cell
Family (18) connection, the afterheat boiler electricity-generating system (12) connect with heat user end (17), the cold-storage/thermal storage equipment (20) and
Cold heat user terminal (21) connection.
4. the energy internet system according to claim 2 based on natural gas, hydrogen, electric power, it is characterised in that: described
Gasification system (10) is connect with right feed channel (15), and the right feed channel (15) connect with natural gas fuel cell system (11).
5. the energy internet system according to claim 2 based on natural gas, hydrogen, electric power, it is characterised in that: described
Solar power system (1), Stirling heat generating system (2), water electrolysis system (3), fuel cell generation (5), hydrogen are swollen
Swollen electricity generation system (7), fuel engine power generation unit (8), natural gas fuel cell system (11) and afterheat boiler electricity-generating system (12) are equal
It is connect with network system (14).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742800A (en) * | 2019-01-24 | 2019-05-10 | 华电电力科学研究院有限公司 | A kind of energy internet system and working method based on natural gas, hydrogen, electric power |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109742800A (en) * | 2019-01-24 | 2019-05-10 | 华电电力科学研究院有限公司 | A kind of energy internet system and working method based on natural gas, hydrogen, electric power |
| CN109742800B (en) * | 2019-01-24 | 2024-02-09 | 华电电力科学研究院有限公司 | Energy internet system based on natural gas, hydrogen and electric power and working method |
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