CN211880108U - Internet system for realizing thermoelectric interconnection power supply - Google Patents

Internet system for realizing thermoelectric interconnection power supply Download PDF

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Publication number
CN211880108U
CN211880108U CN202020656294.4U CN202020656294U CN211880108U CN 211880108 U CN211880108 U CN 211880108U CN 202020656294 U CN202020656294 U CN 202020656294U CN 211880108 U CN211880108 U CN 211880108U
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network
gas
power
heat
energy
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刘哲
潘爱强
董真
杜凤青
刘婧
李莉华
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State Grid Shanghai Electric Power Co Ltd
East China Power Test and Research Institute Co Ltd
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State Grid Shanghai Electric Power Co Ltd
East China Power Test and Research Institute Co Ltd
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Abstract

The utility model relates to a realize thermoelectric interconnected power supply internet system, include: gas, power and heat networks; further comprising: the input end of the gas power plant is connected to a gas network, and the output end of the gas power plant is respectively connected to a power network and a heat network and used for converting gas into electric energy and heat energy; the input end of the heat pump is connected to the power network, and the output end of the heat pump is connected to the heat power network and used for converting electric energy into heat energy; the input end of the P2G equipment is connected to the power network, and the output end of the P2G equipment is connected to the gas network and used for converting power energy into gas; the input end of the cogeneration equipment is connected to a gas network, and the output end of the cogeneration equipment is respectively connected to a power network and a heat network and used for converting gas into electric energy and heat energy. Compared with the prior art, the utility model discloses a gas power plant, heat pump and P2G equipment have realized the interconnection of gas electric heat three nets.

Description

Internet system for realizing thermoelectric interconnection power supply
Technical Field
The utility model belongs to the technical field of the energy interconnection and specifically relates to a realize thermoelectric gas interconnected power internet system.
Background
An energy source is a resource that is capable of providing energy. Energy generally refers to thermal energy, electrical energy, optical energy, mechanical energy, chemical energy, and the like.
The energy sources are various in types, the energy sources used in cities mainly comprise electricity, gas, cold and heat, the different types of energy sources are independent from each other through respective supply chains at present, and although some user sides have corresponding conversion, the converted new energy sources can only be consumed by themselves and cannot be supplied to the outside, so that the further expansion of energy interconnection is limited.
Under the new era, energy systems such as electricity, gas, cold and heat are integrally planned and cooperatively scheduled, channels for flexibly converting and mutually supporting different energy forms are opened, the space-time distribution characteristic difference and complementary coupling characteristics of energy terminal consumption demands in various energy systems can be fully utilized, the overall balance of multi-type energy supply and demands is realized, and the purposes of peak clipping and valley filling of the urban energy system are achieved. Therefore, the concept of the energy internet is developed at the same time, but the existing energy internet cannot realize the linkage conversion of electricity, heat and gas.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a realize thermoelectric gas interconnected power supply internet system in order to overcome the defect that above-mentioned prior art exists, realized the interconnection of gas electric heating three nets through gas power plant, heat pump and P2G equipment.
The purpose of the utility model can be realized through the following technical scheme:
an internet system for realizing thermoelectric interconnected power supply comprises:
gas, power and heat networks;
further comprising:
the input end of the gas power plant is connected to a gas network, and the output end of the gas power plant is respectively connected to a power network and a heat network and used for converting gas into electric energy and heat energy;
the input end of the heat pump is connected to the power network, and the output end of the heat pump is connected to the heat power network and used for converting electric energy into heat energy;
the input end of the P2G equipment is connected to the power network, and the output end of the P2G equipment is connected to the gas network and used for converting power energy into gas;
the input end of the cogeneration equipment is connected to a gas network, and the output end of the cogeneration equipment is respectively connected to a power network and a heat network and used for converting gas into electric energy and heat energy.
The gas network is provided with a compressor, and the power supply input end of the compressor is connected to the power network.
The gas network is a natural gas supply network.
The power network further comprises wind power equipment, hydroelectric equipment and solar power generation equipment.
The thermodynamic network is also provided with a pressure pump, and the power supply input end of the pressure pump is connected to the power network.
The system also comprises an air storage tank, wherein the input end of the air storage tank is connected to the gas network through a compressor, and the output end of the air storage tank is connected to the pressure reducing valve group and is connected to the gas network.
The pressure reducing valve group comprises three pressure reducing valves which are connected in sequence.
And metering devices are arranged at input nodes and output nodes of the gas network, the power network and the heat power network and are connected to the communication network.
The P2G equipment comprises an electrolytic water device and a methane generating device which are connected in sequence, wherein the electrolytic water device is connected with a power network, and the methane generating device is connected with a gas network.
The system also includes a central server connected to each metering device.
Compared with the prior art, the utility model discloses following beneficial effect has:
1) gas-electric-heating three-network interconnection and intercommunication are realized through a gas power plant, a heat pump and a P2G device.
2) The P2G equipment comprises an electrolytic water device and a methane generating device which are connected in sequence, and can be perfectly connected to a natural gas supply network.
3) Metering devices are arranged at input nodes and output nodes of a gas network, a power network and a heat power network, and are connected to a communication network, so that mutual energy transfer can be metered, and support is provided for commercialization.
4) The system also comprises a central server which is connected with each metering device, so that the reliability of data can be ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a portion of the air reservoir;
FIG. 3 is a schematic view of the structure of the metering section;
wherein: 1. the system comprises a gas network, a power network, a heat power network, a gas power plant, a heat pump, a P2G device, a cogeneration device, a compressor, a pressure pump, a gas storage tank, a heat storage device, a compressor, a pressure pump, a heat storage device, a.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
The energy interconnection depends on a highly reliable and safe main energy network, a power network is used as a main framework, networks such as gas and heat are fused, the whole energy chain including energy production, transportation, consumption, storage and conversion is covered, and transverse communication and longitudinal layering are realized; the flexible and expandable capability is realized; and plug and play of distributed energy sources (a production end, a storage end and a consumption end) is supported.
The energy conversion and switching is the core of multi-energy interconnection, which comprises the conversion of different types of energy and the energy conversion of different bearing modes, and is the core for realizing transverse through interconnection of various energy networks such as electricity, gas, cold, heat, traffic and the like. Different types of energy conversion are carried out at an energy production end, and besides various technical means such as a generator and the like are generally utilized to convert primary energy into electric power secondary energy, the energy conversion also comprises various forms such as electrolysis of water to generate hydrogen fuel, electric-thermal coupling exchange and the like; at the energy consumption end, energy conversion means that an energy consumer can select and consume from various optional energy sources according to the principle of optimal benefit. Energy conversion in different bearing modes is mainly embodied in an energy transmission link, for example, in a natural gas network, conversion between a liquid state and a gas state exists.
An internet system for realizing thermoelectric power supply, as shown in fig. 1, includes:
a gas network 1, a power network 2 and a heating power network 3;
further comprising:
the input end of the gas power plant 4 is connected to the gas network 1, and the output end of the gas power plant is respectively connected to the power network 2 and the heat power network 3 and used for converting gas into electric energy and heat energy;
the input end of the heat pump 5 is connected to the power network 2, and the output end of the heat pump is connected to the heat network 3 and used for converting electric energy into heat energy;
a P2G device 6 with an input connected to the power network 2 and an output connected to the gas network 1 for converting electrical energy into gas;
and the input end of the cogeneration device 7 is connected to the gas network 1, and the output end of the cogeneration device is respectively connected to the power network 2 and the heat network 3 and used for converting the gas into electric energy and heat energy.
Gas-electric-heating three-network interconnection and intercommunication are realized through a gas power plant, a heat pump and a P2G device. Energy transmission also has diversity, such as modes of a power grid, a pipe network and the like for sustainable transmission, and modes of shipping, trains, automobiles and the like for discontinuous transmission, so that the energy internet can present implementation modes with different forms. The energy Internet can be divided into an area level, a park level and a building level longitudinally, and the energy efficiency of energy comprehensive distribution is improved through coordination among different levels. The core of the multi-energy interconnected energy network is a park-level comprehensive energy microgrid, and the cold, heat, water, gas and other networks are interconnected and coordinated on the basis of a microgrid technology, so that the efficient utilization of energy is realized.
A compressor 8 is arranged in the gas network 1, and the power supply input end of the compressor 8 is connected to the power network 2.
The gas network 1 is a natural gas supply network, the P2G equipment 6 comprises an electrolytic water device and a methane generating device which are sequentially connected, the electrolytic water device is connected with the power network 2, and the methane generating device is connected with the gas network 1 and can be perfectly connected with the natural gas supply network.
The power network 2 also comprises wind power equipment, hydroelectric equipment and solar power generation equipment.
A pressure pump 9 is also provided in the thermal power network 3, the supply input of the pressure pump 9 being connected to the power network 2.
The system further comprises an air storage tank 10, wherein the input end of the air storage tank 10 is connected to the gas network 1 through a compressor 12, the output end of the air storage tank is connected to a pressure reducing valve bank which is connected to the gas network 1, and as shown in fig. 2, the pressure reducing valve bank comprises a pressure reducing valve 13, a pressure reducing valve 14 and a pressure reducing valve 15 which are connected in sequence.
As shown in fig. 3, the input nodes and the output nodes of the gas network 1, the power network 2 and the heat power network 3 are provided with metering devices 17, and the metering devices 17 are connected to the communication network, and the system further comprises a central server 16, and the central server 16 is connected with each metering device 17, so that the reliability of data can be ensured.

Claims (10)

1. An internet system for realizing thermoelectric interconnected power supply comprises:
gas, power and heat networks;
it is characterized by also comprising:
the input end of the gas power plant is connected to a gas network, and the output end of the gas power plant is respectively connected to a power network and a heat network and used for converting gas into electric energy and heat energy;
the input end of the heat pump is connected to the power network, and the output end of the heat pump is connected to the heat power network and used for converting electric energy into heat energy;
the input end of the P2G equipment is connected to the power network, and the output end of the P2G equipment is connected to the gas network and used for converting power energy into gas;
the input end of the cogeneration equipment is connected to a gas network, and the output end of the cogeneration equipment is respectively connected to a power network and a heat network and used for converting gas into electric energy and heat energy.
2. A system for realizing a thermoelectric power supply interconnection system according to claim 1, wherein a compressor is provided in the gas network, and a power supply input end of the compressor is connected to the power network.
3. A system for realizing a thermoelectric power supply internet according to claim 1, wherein the gas network is a natural gas supply network.
4. A system for implementing a thermoelectric power supply internet according to claim 1 wherein said power network further comprises wind power equipment, hydroelectric equipment and solar power generation equipment.
5. A system for implementing a thermoelectric power supply internet as claimed in claim 1 wherein the thermal network is further provided with a pressure pump, the power supply input end of the pressure pump is connected to the power network.
6. The system for realizing the thermoelectric power interconnection system as claimed in claim 2, wherein the system further comprises a gas storage tank, an input end of the gas storage tank is connected to the gas network through a compressor, and an output end of the gas storage tank is connected to the pressure reducing valve bank and is connected to the gas network.
7. A system for realizing a thermoelectric power supply interconnection system according to claim 6, wherein the pressure relief valve group comprises three pressure relief valves connected in sequence.
8. A system for realizing a thermoelectric power supply interconnection system according to claim 1, wherein metering devices are provided at input nodes and output nodes of the gas network, the electric network and the heat network, and are connected to the communication network.
9. A system for realizing a thermoelectric power supply internet system according to claim 3, wherein the P2G equipment comprises an electrolytic water device and a methane generating device which are connected in sequence, the electrolytic water device is connected with an electric power network, and the methane generating device is connected with a gas network.
10. A system for implementing a thermoelectric power supply internet system as claimed in claim 8 wherein said system further comprises a central server connected to each metering device.
CN202020656294.4U 2020-04-26 2020-04-26 Internet system for realizing thermoelectric interconnection power supply Active CN211880108U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020656294.4U CN211880108U (en) 2020-04-26 2020-04-26 Internet system for realizing thermoelectric interconnection power supply

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020656294.4U CN211880108U (en) 2020-04-26 2020-04-26 Internet system for realizing thermoelectric interconnection power supply

Publications (1)

Publication Number Publication Date
CN211880108U true CN211880108U (en) 2020-11-06

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020656294.4U Active CN211880108U (en) 2020-04-26 2020-04-26 Internet system for realizing thermoelectric interconnection power supply

Country Status (1)

Country Link
CN (1) CN211880108U (en)

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