DE202023104911U1 - A complementary multi-energy power system of the thermal power plant - Google Patents

Abstract

A complementary multi-energy power system of the thermal power plant, characterized in that it comprises: a generator, a transformer, a solar power plant, a wind farm, a transformer winding and an energy storage device; the output of the generator being connected to the transformer; the transformer winding is connected to the solar power plant via a power rail of the PV storage or to the wind farm via a power rail of the wind energy storage; the transformer winding being connected to the energy storage device.

Description

Technical area

The present utility model relates to the technical field of thermal energy production, in particular to a complementary multi-energy power supply system of the thermal power plant

Background technology

The complementary multi-energy power plant (MEK) is an energy strategy that aims to use multiple energy sources that complement each other according to different resource conditions and energy use purposes, so as to reduce the contradiction between energy supply and demand, appropriate the natural resources to protect and promote the positive cycle of the ecological environment.

The thermal power plant, also known as a thermal power plant, is a facility that uses combustible materials (such as coal) as fuel to generate electricity. Its basic production process is: When the fuel is burned, the water is heated to produce steam, which converts the fuel's chemical energy into heat energy. The steam pressure pushes the steam turbine to rotate and the thermal energy is converted into mechanical energy. The steam turbine then rotates the generator and converts the mechanical energy into electrical energy.

At present, the existing complementary multi-energy power system of the thermal power plant cannot reasonably plan the use of natural and spatial energy resources, which reduces the comprehensive use of natural and spatial energy resources, thus affecting the economic indicators of thermal power plants; At the same time, due to the inability to make reasonable and comprehensive use of natural and spatial energy resources, pollution problems inevitably arise during use, leading to environmental problems.

Content of the utility model

The utility model provides a complementary multi-energy power system of the thermal power plant to at least solve the technical problems in related technologies that reduce the comprehensive utilization rate and environmental efficiency of natural and spatial energy resources.

A first embodiment of the utility model provides a complementary multi-energy power system of the thermal power plant, comprising: a generator, a transformer, a solar power plant, a wind farm, a transformer winding and an energy storage device;
wherein the output of the generator is connected to the transformer;
wherein the transformer winding is connected to the solar power plant via a power rail of the PV storage or to the wind farm via a power rail of the wind energy storage;
wherein the transformer winding is connected to the energy storage device.

Preferably, the energy storage device comprises an energy storage and a heat storage.

The system also includes a variety of cleaning devices;
wherein a plurality of cleaning devices are respectively connected to the solar power plant, the wind farm and the generator.

The generator further comprises a first generator and a second generator;
wherein the transformer includes a first transformer, a second transformer, a third transformer and a fourth transformer;
wherein the transformer winding is a first winding of the first transformer, a second winding of the first transformer, a first winding of the second transformer, a second winding of the second transformer, a first winding of the third transformer, a second winding of the third transformer, a first winding of the fourth Transformer, a second winding of the fourth transformer.

Furthermore, outputs of the first generator are respectively connected to the first transformer and the second transformer;
wherein outputs of the second generator are connected to the third transformer and the fourth transformer;

Furthermore, the first winding of the first transformer is connected to the wind farm via a power rail of the wind energy storage;
wherein the second winding of the first transformer is connected to the energy storage and the heat storage;
wherein the first winding of the second transformer is connected to the wind farm via a power rail of the wind energy storage;
wherein the second winding of the second transformer via a power rail of the wind energy storage is connected to the energy storage;
wherein the first winding of the transformer is connected to the wind farm via a power rail of the wind energy storage;
wherein the second winding of the third transformer is connected to the energy storage via a power rail of the wind energy storage;
wherein the first winding of the fourth transformer is connected to the solar power plant via a power rail of the PV storage;
wherein the second winding of the fourth transformer is connected to the energy storage and the heat storage via a power rail of the PV storage;

Preferably, the solar power plant includes: a distributed solar power plant constructed on the roof of an industrial facility and a central solar power plant constructed on open land in and around the facility;
whereby the wind farm comprises: central wind turbines installed on an open site in and around the operation.

• Das Gebrauchsmuster offenbart ein komplementäres Multi-Energie-Stromversorgungssystem des Wärmekraftwerks, das Folgendes umfasst: einen Generator, einen Transformator, ein Solarkraftwerk, einen Windpark, eine Transformatorwicklung und eine Energiespeichervorrichtung; wobei der Ausgang des Generators mit dem Transformator verbunden ist; wobei die Transformatorwicklung mit dem Solarkraftwerk über eine Leistungsschiene des PV-Speichers bzw. mit dem Windpark über eine Leistungsschiene des Windenergiespeichers verbunden ist; wobei die Transformatorwicklung mit der Energiespeichervorrichtung verbunden ist. Die durch das Gebrauchsmuster bereitgestellte technische Lösung reduziert den Stromverbrauch der Anlage, realisiert die umfassende Nutzung der natürlichen sowie räumlichen Energieressourcen und verbessert die wirtschaftlichen und ökologischen Vorteile.

The technical deletion of the embodiment of the utility model presents at least the following advantages as follows:

• The utility model discloses a complementary multi-energy power system of the thermal power plant, comprising: a generator, a transformer, a solar power plant, a wind farm, a transformer winding and an energy storage device; wherein the output of the generator is connected to the transformer; wherein the transformer winding is connected to the solar power plant via a power rail of the PV storage or to the wind farm via a power rail of the wind energy storage; wherein the transformer winding is connected to the energy storage device. The technical solution provided by the utility model reduces the power consumption of the facility, realizes the comprehensive use of natural and spatial energy resources, and improves the economic and environmental benefits.

Further aspects and advantages of the present utility model are partly mentioned in the following description, partly they arise from the following description or are recognized through the practice of the utility model.

Illustration of the accompanying drawings

• 1 ist eine schematische Darstellung der ersten Struktur des komplementären Multi-Energie-Stromversorgungssystems des Wärmekraftwerks, das durch die erste Ausführungsform des Gebrauchsmusters bereitgestellt wird;
• 2 ist eine schematische Darstellung der zweiten Struktur des komplementären Multi-Energie-Stromversorgungssystems des Wärmekraftwerks, das durch die erste Ausführungsform des Gebrauchsmusters bereitgestellt wird;
• 3 ist eine schematische Darstellung der ausführlichen Struktur des komplementären Multi-Energie-Stromversorgungssystems des Wärmekraftwerks, das durch die erste Ausführungsform des Gebrauchsmusters bereitgestellt wird;

The foregoing and/or additional aspects and advantages of the present utility model will be apparent and readily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

• 1 is a schematic diagram of the first structure of the complementary multi-energy power system of the thermal power plant provided by the first embodiment of the utility model;
• 2 is a schematic diagram of the second structure of the complementary multi-energy power system of the thermal power plant provided by the first embodiment of the utility model;
• 3 is a schematic representation of the detailed structure of the complementary multi-energy power system of the thermal power plant provided by the first embodiment of the utility model;

Illustration of the accompanying drawings

Generator 1, transformer 2, solar power plant 3, wind farm 4, transformer winding 5, energy storage device 6, power rail of the PV storage 7, power rail of the wind energy storage 8, energy storage 6-1, heat storage 6-2, cleaning device 9, first generator 1-1, second Generator 1-2, first transformer 2-1, second transformer 2-2, third transformer 2-3, fourth transformer 2-4, first winding of the first transformer 5-1, second winding of the first transformer 5-2, first winding of the second transformer 5-3, second winding of the second transformer 5-4, first winding of the third transformer 5-5, second winding of the third transformer 5-6, first winding of the fourth transformer 5-7, second winding of the fourth transformer 5-8 .

Specific Embodiments

Embodiments of the present utility model are described in detail below, and examples of these embodiments are shown in the accompanying drawings, wherein like or similar designations throughout designate like or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present utility model and are not to be construed as a limitation of the present utility model.

The utility model relates to a complementary multi-energy power system of the thermal power plant, which includes the following includes: a generator, a transformer, a solar power plant, a wind farm, a transformer winding and an energy storage device; wherein the output of the generator is connected to the transformer; wherein the transformer winding is connected to the solar power plant via a power rail of the PV storage or to the wind farm via a power rail of the wind energy storage; wherein the transformer winding is connected to the energy storage device. The technical solution provided by the utility model reduces the power consumption of the facility, realizes the comprehensive use of natural and spatial energy resources, and improves the economic and environmental benefits.

A complementary multi-energy power system of the thermal power plant of one embodiment of the utility model is described below with reference to the accompanying drawings.

Example 1

1 is a schematic diagram of the structure of the complementary multi-energy power system of the thermal power plant provided by the first embodiment of the utility model; as in 1 the system includes the following: a generator 1, a transformer 2, a solar power plant 3, a wind farm 4, a transformer winding 5 and an energy storage device 6;
the output of the generator 1 being connected to the transformer 2; wherein the generator 1 is connected to the main transformer and then passed through a high voltage distribution unit;
wherein the transformer winding 5 is connected to the solar power plant 3 via a power rail of the PV storage 7 or to the wind farm 4 via a power rail of the wind energy storage 8;
wherein the transformer winding 5 is connected to the energy storage device 6.

Preferably, the solar power plant 3 includes: a distributed solar power plant built on the roof of an industrial plant and a central solar power plant built on an open area in and around the plant;
wherein the wind farm 4 comprises: central wind turbines that are installed on an open site in and around the operation.

In this disclosed embodiment, as in 2 the energy storage device 6 has an energy storage 6-1 and a heat storage 6-2.

Further as in 2 the system also includes a large number of cleaning devices 9;
wherein a plurality of cleaning devices 9 are each connected to the solar power plant 3, the wind farm 4 and the generator 1.

In this disclosed embodiment, as in 3 the generator 1, a first generator 1-1 and a second generator 1-2;
wherein the transformer 2 includes a first transformer 2-1, a second transformer 2-2, a third transformer 2-3 and a fourth transformer 2-4;
wherein the transformer winding 5 is a first winding of the first transformer 5-1, a second winding of the first transformer 5-2, a first winding of the second transformer 5-3, a second winding of the second transformer 5-4, a first winding of the third transformer 5-5, a second winding of the third transformer 5-6, a first winding of the fourth transformer 5-7, a second winding of the fourth transformer 5-8.

Outputs of the first generator 1-1 are each connected to the first transformer 2-1 and the second transformer 2-2;
wherein outputs of the second generator 1-2 are connected to the third transformer 2-3 and the fourth transformer 2-4;
wherein the first winding of the first transformer 5-1 is connected to the solar power plant via 3 a power rail of the PV storage 7;
wherein the second winding of the first transformer 5-2 is connected to the energy storage 6-1 and the heat storage 6-2 via the power rail of the PV storage 7;
wherein the first winding of the second transformer 5-3 is connected to the wind farm 4 via a power rail of the wind energy storage 8;
wherein the second winding of the second transformer 5-4 is connected to the energy storage 6-1 via a power rail of the wind energy storage 8;
wherein the first winding of the transformer 5-5 is connected to the wind farm 4 via a power rail of the wind energy storage 8;
wherein the second winding of the third transformer 5-6 is connected to the energy storage 6-1 via a power rail of the wind energy storage 8;
wherein the first winding of the fourth transformer 5-7 is connected to the solar power plant 3 via a power rail of the PV storage 7;
wherein the second winding of the fourth transformer 5-8 is connected to the energy storage 6-1 and the heat storage 6-2 via a power rail of the PV storage 7.

For example, a distributed solar power plant 3 is initially arranged on the operational roof, which meets the energy-saving building standards. Through reasonable planning and use of the open space in the plant area, a central ground-mounted solar power plant 3 and a wind power plant, namely a wind farm 4, are built to improve the comprehensive utilization of the site space and achieve the beautification of the factory surroundings. The transformer 2 for voltage conversion in the thermal power plant of the utility model uses transformer windings 5 and the associated power rails to provide access conditions for the solar power plant 3 and the wind farm 4 for self-use and the adjustable energy storage device 6, and is equipped with electrical energy storage devices that store electrical energy in the charging and discharge mode to strengthen the adjustment capabilities of thermal power plants such as deep peak adjustment and primary frequency modulation. At the same time, electric energy storage is used instead of starting/emergency power supply, and electric heat storage is configured to convert electric energy into thermal energy for storage and use, which can not only reduce the minimum technical power of thermal power plants, but also provide heating power. Electric energy storage is used instead of starting/emergency power supply, without the need to connect the emergency power supply from the public grid outside the factory, thereby reducing the dependence on the power grid and saving power grid resources.

In summary, the present embodiment proposes a complementary multi-energy power system of the thermal power plant, which reduces the power consumption of the thermal power plant by arranging distributed solar power plants on the roofs of the industrial facilities of the large thermal power plant and by providing centralized solar power plants, i.e., solar power plants 3, and wind turbines, i.e. Wind turbines 4, built on the open areas in the factory area and its surroundings, which serve as a renewable energy power plant for their own energy consumption and reduce the electricity consumption of the thermal power plant. By setting up energy supply systems and energy storage systems, the rational and comprehensive use of natural and spatial energy resources is realized. This will improve the comprehensive utilization rate of natural and spatial energy resources as well as the economic benefits; Through the energy supply and energy storage facilities, the rational and comprehensive use of natural and spatial energy resources is realized, and the pollution problems caused by the installation of purification devices are eliminated and the environmental benefits are increased.

In the description of this specification, the terms “an embodiment,” “some embodiments,” “embodiments,” “examples,” “exemplary,” “specific examples,” or “some examples” refer to the specific features, structures, materials, or properties , which are described in connection with the exemplary embodiment or the examples and are included in at least one embodiment or an example of the utility model. In this description, the schematic expressions of the above terms need not refer to the same embodiment or example. Additionally, the specific features, structures, materials, or properties described may be suitably combined in one or more embodiments or examples. Furthermore, one skilled in the art can combine the various embodiments or examples described in this description and the features of the various embodiments or examples without contradicting each other.

Any process or method description depicted in the flowchart or otherwise described herein may be understood to represent a module, fragment, or portion of code that includes one or more executable instructions for implementing the steps of a customized logical function or process, and the scope of the preferred embodiments of the present utility model includes additional implementations that may be executed in an order other than the order shown or discussed, including executing functions consistent with the functions involved in a substantially simultaneous or reverse order, to perform the functions as should be understood by those skilled in the art to which the embodiments of the present utility model pertain.

Although embodiments of the utility model have been illustrated and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limiting the utility model, and that general technicians of ordinary skill in the art may make changes within the scope of the utility model , modifications, substitutions and variations of the above embodiments.

Claims (7)

A complementary multi-energy power system of the thermal power plant, characterized in that it includes: a generator, a transformer, a solar power plant, a wind farm, a transformer winding and an energy storage device; wherein the output of the generator is connected to the transformer; wherein the transformer winding is connected to the solar power plant via a power rail of the PV storage or to the wind farm via a power rail of the wind energy storage; wherein the transformer winding is connected to the energy storage device. A complementary multi-energy power system Claim 1 , characterized in that the energy storage device comprises an energy storage and a heat storage. A complementary multi-energy power system Claim 2 , characterized in that the system also comprises a plurality of cleaning devices; wherein a plurality of cleaning devices are respectively connected to the solar power plant, the wind farm and the generator. A complementary multi-energy power system Claim 3 , characterized in that the generator comprises a first generator and a second generator; wherein the transformer includes a first transformer, a second transformer, a third transformer and a fourth transformer; wherein the transformer winding is a first winding of the first transformer, a second winding of the first transformer, a first winding of the second transformer, a second winding of the second transformer, a first winding of the third transformer, a second winding of the third transformer, a first winding of the fourth Transformer, a second winding of the fourth transformer. A complementary multi-energy power system Claim 4 , characterized in that outputs of the first generator are respectively connected to the first transformer and the second transformer; wherein outputs of the second generator are connected to the third transformer and the fourth transformer. A complementary multi-energy power system Claim 4 , characterized in that the first winding of the first transformer is connected to the solar power plant via a power rail of the PV storage; wherein the second winding of the first transformer is connected to the energy storage and the heat storage; wherein the first winding of the second transformer is connected to the wind farm via a power rail of the wind energy storage; wherein the second winding of the second transformer is connected to the energy storage via a power rail of the wind energy storage; wherein the first winding of the transformer is connected to the wind farm via a power rail of the wind energy storage; wherein the second winding of the third transformer is connected to the energy storage via a power rail of the wind energy storage; wherein the first winding of the fourth transformer is connected to the solar power plant via a power rail of the PV storage; wherein the second winding of the fourth transformer is connected to the energy storage and the heat storage via a power rail of the PV storage. A complementary multi-energy power system Claim 1 , characterized in that the solar power plant comprises: a distributed solar power plant constructed on the roof of an industrial establishment and a central solar power plant constructed on an open area in and around the establishment; whereby the wind farm comprises: central wind turbines installed on an open site in and around the operation.

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