Zero-carbon clean heating system and using method thereof

Abstract

The invention relates to a zero-carbon clean heating system and a using method thereof.The system comprises a wind power generation assembly and a solar power generation assembly which are installed at the position adjacent to geothermal energy heating equipment, the geothermal energy heating equipment is electrically connected with the output end of the wind power generation assembly, and the geothermal energy heating equipment is connected with a heating system and a workshop power generation assembly; the geothermal energy heating equipment provides at least part of heat energy of a heating system through geothermal energy. The workshop power generation assembly and the solar power generation assembly are both electrically connected with the heating system. Solar energy and wind energy are used for power generation to support mining and conveying of geothermal energy, power is supplied to recharge production of the geothermal energy, the energy storage device stores redundant solar energy, wind energy and geothermal energy for power generation and heat supply, and therefore zero-carbon heat supply is achieved.

Description

Technical Field

[0001] The present invention belongs to the technical field of clean energy heating, and in particular relates to a zero-carbon clean heating system and a method of using the same. Background Art

[0002] At present, the means of heating with clean energy include geothermal heating, solar heating, air heating, geothermal energy + solar energy, geothermal energy + wind energy, etc. Since electricity is needed in the mining and production process, more or less thermal power generation is required, and 100% zero-carbon heating cannot be achieved. This technology couples solar energy, wind power generation technology, energy storage technology and geothermal energy, coordinates and deploys, uses solar energy and wind power generation to support geothermal energy mining and transportation, and uses energy storage devices (energy storage tanks + batteries) to store excess solar energy, wind energy, and geothermal energy for power generation and heating, thereby achieving 100% zero-carbon heating. Summary of the invention

[0003] The purpose of the present invention is to propose a zero-carbon clean heating system and its use method, which makes full use of the difference in power required by each link in the energy storage system, fully utilizes unstable energy and converts it into stable energy, so as to achieve the purpose of self-sufficiency and pollution-free.

[0004] A first aspect of the present invention provides a zero-carbon clean heating system, comprising a wind power generation component and a solar power generation component installed adjacent to a geothermal heating device, wherein the geothermal heating device is electrically connected to the output end of the wind power generation component, the geothermal heating device is connected to a heating system and a workshop power generation component, and the geothermal heating device uses geothermal energy to provide at least part of the thermal energy of the heating system; the workshop power generation component and the solar power generation component are both electrically connected to the heating system.

[0005] Optionally, it also includes an energy storage battery, which can store the electric energy output by the wind power generation component, the workshop power generation component and the solar power generation component, and the energy storage battery can provide electric energy to the geothermal heating equipment and the heating system.

[0006] Optionally, the geothermal heating equipment includes: a recharge well and a production well for extracting geothermal resources, a recharge pump connected to an energy storage tank is arranged on the top of the recharge well, the recharge pump is electrically connected to the wind power generation component and the energy storage battery, respectively, the recharge pump is used to extract the heat medium of the energy storage tank into the recharge well; a fluid pipeline is installed on the top of the production well, the fluid pipeline is connected to the heating system, the workshop power generation component generates electricity through the thermal energy of the fluid pipeline, the workshop power generation component and the energy storage battery are electrically connected to transmit electrical energy, and the production well electric energy is provided by the energy storage battery.

[0007] Optionally, the energy storage tank is a water storage tank, which stores excess hot water extracted from the production well.

[0008] Optionally, the energy storage battery is a lithium battery, which is used to provide electricity for reinjection well production and to support the operation of the heating system.

[0009] Optionally, water or carbon dioxide heat medium from geothermal resources is injected into the fluid pipeline to obtain heat, and the heating system pipeline is connected to the heating residents.

[0010] Optionally, it also includes a control workshop, wherein the workshop power generation components and the heating system are arranged in the control workshop, the production well is connected to the pipeline of the heating system, and the production well is electrically connected to the heating system through the workshop power generation components.

[0011] Optionally, the wind power generation component includes: a wind generator connected to a windmill, the wind generator electrically connected to a recharge pump and an energy storage battery, the energy storage battery electrically connected to the recharge pump; the energy storage battery is electrically connected to the workshop power generation component on the control workshop through geothermal heating equipment.

[0012] Optionally, the solar power generation assembly includes: a solar panel and a solar cell electrically connected to the solar panel, the solar cell is connected to an energy storage battery through a workshop power generation assembly; the solar cell is converted into electrical energy through a semiconductor diode, and is used to operate the solar heating equipment. The solar panel is installed on the top of the heating household to assist in heating the building.

[0013] A second aspect of the present invention provides a method for using a zero-carbon clean heating system, comprising the following steps:

[0014] Before the construction of geothermal energy production, the wind power generation components generate wind power, and the solar power generation components generate solar power and store it in energy storage batteries and solar cells;

[0015] After the geothermal energy production begins, wind and solar energy will continue to generate electricity for the exploitation of geothermal energy production wells and the reinjection of reinjection wells. At the same time, the geothermal energy production wells will generate geothermal energy through the workshop power generation device in the workshop and store it in the energy storage battery;

[0016] The electricity generated by the workshop power generation device, energy storage batteries and solar cells is used to operate the heating system.

[0017] Compared with the prior art, the present invention achieves the following effects:

[0018] Based on the principle of multi-energy complementarity, solar energy, wind energy, energy storage devices and geothermal energy are used for multi-energy coupling, and unstable decentralized energy is fully utilized and integrated into a sustainable, stable and clean energy heating system. Energy utilization is maximized through multi-medium power generation and multi-level utilization principles, so that the electricity required for the entire heating process is provided by the system, achieving self-sufficiency and pollution-free. Solar energy and wind power generation are used to support the mining and transportation of geothermal energy, and to supply power for geothermal energy recharge production. The energy storage device stores excess solar energy, wind energy and geothermal energy for power generation and heating, thereby achieving 100% zero-carbon heating.

[0019] By making full use of the electricity generated by a variety of clean energy sources, you can directly use energy storage batteries with low power to power the recharge wells. The geothermal heating workshop consumes a lot of electricity, so the current generated by solar cells, energy storage batteries, and wind power generation can be arranged into power supply lines to ensure the normal operation of the heating. In this way, on the one hand, you can make full use of unstable clean energy wind power generation technology, energy storage technology, and solar heating technology to assist geothermal energy in achieving zero-carbon heating; on the other hand, energy storage technology can make full use of waste heat to avoid energy waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural framework diagram of the zero-carbon clean heating system of the present invention. DETAILED DESCRIPTION

[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the present invention, rather than to limit the present invention. It should also be noted that, for ease of description, only parts related to the present invention, rather than all structures, are shown in the accompanying drawings.

[0022] Example

[0023] like Figure 1 As shown, the first aspect of the present invention provides a zero-carbon clean heating system, comprising a wind power generation component and a solar power generation component installed adjacent to a geothermal heating device, wherein the geothermal heating device is electrically connected to the output end of the wind power generation component, the geothermal heating device is connected to a heating system and a workshop power generation device, and the geothermal heating device provides at least part of the thermal energy of the heating system with geothermal energy; the workshop power generation device and the solar power generation component are both electrically connected to the heating system.

[0024] It also includes an energy storage battery, which can store the electric energy output by the wind power generation component, the workshop power generation device and the solar power generation component, and the energy storage battery can provide electric energy to the geothermal heating equipment and the heating system.

[0025] Optionally, the geothermal heating equipment includes: a reinjection well 4 and a production well 6 for extracting geothermal resources, a reinjection pump 7 connected to an energy storage tank 8 is arranged on the upper part of the reinjection well, the reinjection pump is electrically connected to the wind turbine assembly and the energy storage battery respectively, and the reinjection pump is used to extract the heat medium of the energy storage tank into the reinjection well; a fluid pipeline 5 is installed on the upper part of the production well, the fluid pipeline is connected to the heating system 10, the workshop power generation device generates electricity through the thermal energy of the fluid pipeline, and the power generation assembly is electrically connected to the energy storage battery to transmit electrical energy. The production well electric energy is provided by the energy storage battery. The extracted geothermal energy is mainly used for heating system service power generation, and the excess geothermal energy and the waste heat after geothermal power generation can be used for heating residents. The geothermal resource specifically selects a geothermal resource 16 with a fracture network, and the geothermal resource is a medium-high temperature enhanced geothermal system of 2000-4000 meters.

[0026] Optionally, the energy storage tank 8 is a water storage tank, which stores excess hot water extracted from the production well. The energy storage tank and the energy storage battery cooperate to form an energy storage device.

[0027] Optionally, the energy storage battery 3 is a lithium battery, which is used to provide power supply for the production of the reinjection well and also to support the operation of the heating system.

[0028] Optionally, water or carbon dioxide heat medium from geothermal resources is injected into the fluid pipeline to extract heat, and the heating system pipeline is connected to the heating household 13.

[0029] Optionally, a control workshop 15 is further included, wherein the workshop power generation device 9 and the heating system 10 are arranged in the control workshop, the production well is connected to the pipeline of the heating system, the production well is electrically connected to the pipeline of the heating system through the workshop power generation component, the solar cell is connected to the heating system, and the power of the production well is provided by the energy storage battery. The arrow in the figure points to the power transmission direction of the control workshop power generation component.

[0030] Optionally, the wind power generation component includes: a wind turbine 2 connected to a windmill 1, the wind turbine 2 being electrically connected to a recharge pump 7 and an energy storage battery 3, the energy storage battery being electrically connected to a recharge pump, the energy storage battery being used to support the operation of the heating equipment and the injection of the required electric energy into the geothermal recharge well; the energy storage battery being electrically connected to the power generation component on the control workshop through the geothermal heating equipment. The electric energy generated by the wind power generation component is stored in the energy storage battery and used for the exploitation of geothermal energy in the production well.

[0031] Optionally, the solar power generation assembly includes: a solar panel 11 and a solar cell 14 electrically connected to the solar panel, the solar cell 14 is connected to an energy storage battery through a workshop power generation assembly; the solar cell is converted into electrical energy through a semiconductor diode, and is used to operate the solar heating equipment. The solar panel is installed on the roof 12 of the heating household to assist in building heating. The solar cell is a photovoltaic cell.

[0032] The solar power generation component converts solar energy into electrical energy, and the wind power generation component converts wind energy into electrical energy. After the multi-energy coupling generates electricity, it is stored in the energy storage battery. When the temperature of the heat medium from geothermal energy is higher than 60 degrees Celsius, it is used for power generation and then for heating with the residual heat. When it is lower than 60 degrees Celsius, it directly enters the heating system to produce power for the geothermal energy recharge well. Solar power generation is used to support the exploitation and transportation of geothermal energy, and the energy storage device stores the excess solar energy, wind energy, and geothermal energy for power generation and heating, thereby achieving 100% zero-carbon heating.

[0033] Optionally, the wind power generation component and the solar power generation component operate simultaneously to generate electricity, or operate separately to generate electricity.

[0034] A method for using a zero-carbon clean heating system, comprising:

[0035] Before the construction of geothermal energy production, the wind power generation components generate wind power, and the solar power generation components generate solar power and store it in energy storage batteries and solar cells;

[0036] After the geothermal energy production begins, wind and solar energy will continue to generate electricity for the exploitation of geothermal energy production wells and the reinjection of reinjection wells. At the same time, the geothermal energy production wells will generate geothermal energy through the workshop power generation device in the workshop and store it in the energy storage battery;

[0037] The electricity generated by the workshop power generation device, energy storage batteries and solar cells is used to operate the heating system.

[0038] Optionally, in the geothermal energy production, if wind power and solar power generation cannot meet the geothermal energy production, energy storage batteries and solar cells are used to provide the required electricity for geothermal energy production.

[0039] During the operation of this system, all kinetic energy is provided by clean energy within the system, which reduces the use of fossil energy, does not generate pollution, and reduces carbon dioxide emissions; unstable clean energy is converted into stable energy, and geothermal waste heat is stored for power generation, reducing costs and reducing resource waste; multiple clean energy and energy storage technology heating methods are linked to form complementary advantages, coordinated allocation, and zero-carbon heating. Applying the principle of peak shaving and valley filling, when there is sufficient sunlight, solar panels are used to the greatest extent for heating, and solar energy is converted into electrical energy for storage as a reserve power source; when there is insufficient sunlight, geothermal energy is used for heating, which on the one hand protects people's livelihood and fully saves resources and energy.

[0040] In the description of this specification, the description with reference to the terms "in one embodiment", "in another embodiment", "exemplary" or "in a specific embodiment" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0041] Although the present invention has been described in detail above by means of general description, specific implementation methods and tests, it is obvious to those skilled in the art that some modifications or improvements may be made to the present invention. Therefore, these modifications or improvements made without departing from the spirit of the present invention all fall within the scope of protection claimed by the present invention.

Claims

1. A zero-carbon clean heating system, comprising a wind power generation component and a solar power generation component installed adjacent to a geothermal heating device, characterized in that: The geothermal heating equipment is electrically connected to the output end of the wind power generation component, and the geothermal heating equipment is connected to the heating system and the workshop power generation component. The geothermal heating equipment provides at least part of the thermal energy of the heating system by geothermal energy; the workshop power generation component and the solar power generation component are both electrically connected to the heating system.

2. The zero-carbon clean heating system according to claim 1, characterized in that: It also includes an energy storage battery, which can store the electric energy output by the wind power generation component, the workshop power generation component and the solar power generation component, and the energy storage battery can provide electric energy to the geothermal heating equipment and the heating system.

3. The zero-carbon clean heating system according to claim 2, characterized in that: The geothermal heating equipment includes: a reinjection well and a production well for extracting geothermal resources. A reinjection pump connected to an energy storage tank is arranged on the upper part of the reinjection well. The reinjection pump is electrically connected to the wind power generation component and the energy storage battery respectively. The reinjection pump is used to extract the heat medium of the energy storage tank into the reinjection well; a fluid pipeline is installed on the upper part of the production well, and the fluid pipeline is connected to the heating system. The workshop power generation component generates electricity through the thermal energy of the fluid pipeline. The workshop power generation component and the energy storage battery are electrically connected to transmit electrical energy. The electric energy of the production well is provided by the energy storage battery.

4. The zero-carbon clean heating system according to claim 3 is characterized in that: The energy storage tank is a water storage tank, and the water storage tank stores excess hot water extracted from the production well.

5. The zero-carbon clean heating system according to claim 3, characterized in that: The energy storage battery is a lithium battery, and the electric energy output by the energy storage battery is used to supply electricity for recharging well production and to support the operation of the heating system.

6. The zero-carbon clean heating system according to claim 3, characterized in that: Water or carbon dioxide heat medium from geothermal resources is injected into the fluid pipeline to obtain heat, and the pipeline of the heating system is connected to the heating residents.

7. The zero-carbon clean heating system according to claim 3, characterized in that: It also includes a control workshop, in which the workshop power generation components and the heating system are arranged, the production well is connected with the pipeline of the heating system, and the production well is electrically connected with the heating system through the workshop power generation components.

8. The zero-carbon clean heating system according to claim 3, characterized in that: The wind power generation component includes: a wind generator connected to a windmill, the wind generator is electrically connected to a recharge pump and an energy storage battery, and the energy storage battery is electrically connected to the recharge pump; the energy storage battery is electrically connected to the workshop power generation component on the control workshop through geothermal heating equipment.

9. The zero-carbon clean heating system according to claim 2, characterized in that: The solar power generation component includes: a solar panel and a solar cell electrically connected to the solar panel, and the solar cell is connected to an energy storage battery through the workshop power generation component; the solar cell is converted into electrical energy through a semiconductor diode, which is used to generate electrical energy for operating the solar heating equipment.

10. A method for using a zero-carbon clean heating system, characterized in that: The following steps are involved: Before the construction of geothermal energy production, the wind power generation components generate wind power, and the solar power generation components generate solar power and store it in energy storage batteries and solar cells; After the geothermal energy production starts, wind energy and solar energy are used to continue to generate electricity for the exploitation of geothermal energy production wells and the reinjection of reinjection wells. At the same time, the geothermal energy production wells are used to generate geothermal energy through the workshop power generation device in the workshop and stored in the energy storage battery; The electric energy generated by the workshop power generation device, energy storage battery and solar cell is all used for the operation of the heating system.

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