阅读说明：本技术 一种风力发电调峰系统 (Wind power generation peak regulation system ) 是由 李昊炜 甘健洲 方晓佳 刘俞聪 刘宗霖 于 2021-09-17 设计创作，主要内容包括：本申请实施例提供了一种风力发电调峰系统,属于风力发电调峰技术领域。其中,风力发电调峰系统包括储存装置、加热装置、风力发电装置、储气装置以及燃料发电装置。储存装置用于储存燃料。加热装置与储存装置连接,加热装置用于加热燃料以生成可燃气体。风力发电装置与加热装置电连接,风力发电装置用于为加热装置和负载提供电能。储气装置与加热装置连接,储气装置用于储存可燃气体。燃料发电装置与储气装置连接,燃料发电装置用于为负载提供电能。该风力发电调峰系统能够根据用电负荷的情况,随时调整供电量,提高了能量的利用率和供电效率。(The embodiment of the application provides a wind power generation peak regulation system, and belongs to the technical field of wind power generation peak regulation. The wind power generation peak regulation system comprises a storage device, a heating device, a wind power generation device, a gas storage device and a fuel power generation device. The storage device is used for storing fuel. The heating device is connected with the storage device, and the heating device is used for heating the fuel to generate combustible gas. The wind power generation device is electrically connected with the heating device and is used for providing electric energy for the heating device and the load. The gas storage device is connected with the heating device and is used for storing combustible gas. The fuel power generation device is connected with the gas storage device and is used for providing electric energy for the load. The wind power generation peak regulation system can adjust the power supply amount at any time according to the condition of the power load, and improves the utilization rate of energy and the power supply efficiency.)

1. A wind power generation peak shaving system, comprising:

a storage device for storing fuel;

a heating device connected to the storage device, the heating device being configured to heat the fuel to generate a combustible gas;

the wind power generation device is electrically connected with the heating device and is used for providing electric energy for the heating device and a load;

the gas storage device is connected with the heating device and is used for storing the combustible gas;

and the fuel power generation device is connected with the gas storage device and is used for providing electric energy for the load.

2. Wind power generation peak shaving system according to claim 1, wherein the storage means comprises a first storage unit and a second storage unit, both connected to the heating means, the first storage unit for storing biomass fuel and the second storage unit for storing hydrocarbon fuel, the heating means for heating the biomass fuel and the hydrocarbon fuel to generate combustible gas.

3. Wind power peaking system according to claim 2, further comprising a first pumping device connected between the first storage unit and the heating device for pumping biomass fuel within the first storage unit into the heating device, and a second pumping device connected between the second storage unit and the heating device for pumping hydrocarbon fuel within the second storage unit into the heating device.

4. The wind power generation peak shaving system according to claim 2, wherein the gas storage device comprises a first gas storage unit group and a second gas storage unit group, the first gas storage unit group is connected between the heating device and the fuel power generation device, the first gas storage unit group is used for storing combustible gas generated by biomass fuel, the second gas storage unit group is connected between the heating device and the fuel power generation device, and the second gas storage unit group is used for storing combustible gas generated by hydrocarbon fuel.

5. The wind power generation peak shaving system of claim 4, wherein the first set of gas storage tanks comprises a plurality of first gas storage tanks arranged in parallel, and the second set of gas storage tanks comprises a plurality of second gas storage tanks arranged in parallel.

6. The wind power peak shaving system of claim 5, wherein the heating device has a first outlet, the fuel-electric power plant has a first inlet;

the first gas storage tank is provided with a first gas inlet and a first gas outlet, the first gas inlet of each first gas storage tank is connected with the first outlet through a first gas inlet pipe, a first switch valve is arranged in the first gas inlet pipe, the first gas outlet of each first gas storage tank is connected with the first inlet through a first gas outlet pipe, and a second switch valve is arranged on the first gas outlet pipe.

7. The wind power generation peak shaving system according to claim 6, wherein the first gas storage unit group further comprises a first pipe and a second pipe, the first gas outlet of each first gas storage tank is connected with the first pipe through one first gas outlet pipe, the first pipe is connected with the first inlet through the second pipe, and the second pipe is provided with a third on-off valve.

8. The wind power peak shaving system of claim 5, wherein the heating device has a second outlet and the fuel-electric generating device has a second inlet;

the second gas holder has second air inlet and second gas outlet, the second air inlet of every second gas holder through a second intake pipe with the second export links to each other, be equipped with the fourth ooff valve in the second intake pipe, the second gas outlet of every second gas holder through a second outlet duct with the second import links to each other, be equipped with the fifth ooff valve on the second outlet duct.

9. The wind power generation peak shaving system according to claim 5, wherein the second gas storage unit group further comprises a third pipe and a fourth pipe, the second gas outlet of each second gas storage tank is connected with the third pipe through a second gas outlet pipe, and the fourth pipe is provided with a sixth switch valve.

10. The wind power generation peak shaving system of claim 1, wherein the fuel power plant is a fuel cell.

Technical Field

The application relates to the technical field of wind power generation, in particular to a wind power generation peak regulation system.

Background

At present, because the wind power generation device has uneven power utilization load, and the wind power generation device is overloaded during power utilization peak, the original wind power generation device is difficult to meet the power utilization requirement. When the electricity consumption is low, the generated energy of the wind power generation device is surplus, and the surplus generated energy cannot be stored because the generation and the use of the electric energy are synchronous, so that the fixed generated energy of the wind power generation device cannot meet the changed electricity load.

Disclosure of Invention

The embodiment of the application provides a wind power generation peak regulation system to improve the problem that the fixed generated energy of a wind power generation device cannot meet the changed power load.

The embodiment of the application provides a wind power generation peak regulation system, which comprises a storage device, a wind power generation device, a heating device, a gas storage device and a fuel power generation device;

the storage device is used for storing fuel;

the heating device is connected with the storage device and is used for heating the fuel to generate combustible gas;

the wind power generation device is electrically connected with the heating device and is used for providing electric energy for the heating device and a load;

the gas storage device is connected with the heating device and is used for storing the combustible gas;

the fuel power generation device is connected with the gas storage device and is used for providing electric energy for the load.

In the technical scheme, the wind power generation device is electrically connected with the heating device and can provide electric energy for the heating device and the load, the heating device is connected with the storage device, the heating device heats fuel stored in the storage device into combustible gas, the gas storage device is connected with the heating device and can store the combustible gas through the gas storage device, the fuel cell power generation device is connected with the gas storage device, and the fuel power generation device can generate power through the combustible gas in the gas storage device and provide electric energy for the load.

Under the condition of small load, the wind power generation device generates surplus electric energy, the system supplies power to the heating device by using the surplus electric energy, fuel in the heating device is heated to generate combustible gas, and the combustible gas is stored to realize the storage process of the surplus electric energy. In the process, the electric energy generated by the wind power generation device can supply power to the load and can be stored in a chemical energy form, so that the dissipation of surplus electric energy can be reduced.

Under the condition of large load, the system simultaneously supplies power to the load by using the fuel power generation device and the wind power generation device, the system leads the combustible gas in the gas storage device into the fuel power generation device, and under the condition of uneven load size change, the system adjusts the generation amount of the combustible gas, namely the storage amount of surplus electric energy by adjusting the power supply amount of the wind power generation device to the heating device so as to deal with the condition of small load; the system can be used for dealing with the condition of large load by adjusting the air supply quantity of the air storage device to the fuel power generation device so as to adjust the generated electric quantity of the fuel power generation device, namely the residual demand quantity of the load after the power supply quantity of the wind power generation device is removed, so that the system has quick response when the condition of uneven load size change can be dealt with.

In some embodiments, the storage device comprises a first storage unit and a second storage unit, both connected to the heating device, the first storage unit for storing biomass fuel, the second storage unit for storing hydrocarbon fuel, and the heating device for heating the biomass fuel and the hydrocarbon fuel to generate combustible gas.

In above-mentioned technical scheme, first storage unit can store different fuel types with the second storage unit, heats through heating device and can generate combustible gas. After the biomass fuel is heated and combusted through the heating device, the generated combustible gas is low in content of sulfur-containing compounds and nitrogen-containing compounds, a good environment-friendly effect can be achieved, the biomass fuel is heated through the heating device to be made into the combustible gas, the process of the biomass fuel is a biomass fuel gasification process, and the biomass fuel is combusted after being made into the combustible gas, so that the combustion efficiency can be greatly improved compared with the direct combustion of the biomass fuel. The hydrocarbon in the hydrocarbon fuel is pyrolyzed at high temperature by the heating device under the action of the catalyst to generate low-carbon combustible gas and low-carbon olefin, the low carbon combustible gas has low carbon content and high hydrogen content, and can play a good environment-friendly effect, and the low-carbon olefin can be applied to industry and agriculture to bring economic benefits. And the energy density of the hydrocarbon fuel is high, the energy density of the biomass fuel is low, and the hydrocarbon fuel and the biomass fuel can be combined for use to provide energy for the load more stably under the condition of considering the environmental protection.

In some embodiments, the wind power generation peak shaving system further comprises a first pumping device connected between the first storage unit and the heating device for pumping the biomass fuel in the first storage unit into the heating device, and a second pumping device connected between the second storage unit and the heating device for pumping the hydrocarbon fuel in the second storage unit into the heating device.

In the above technical scheme, the first pumping device is connected between the first storage unit and the heating device, and the biomass fuel in the first storage unit can be pumped into the heating device through the first pumping device. The second pumping device is connected between the second storage unit and the heating device, the hydrocarbon fuel in the second storage unit can be pumped into the heating device through the second pumping device, when the load of the wind power generation peak shaving system is relatively high, the first pumping device and the second pumping device start to convey the fuel in the first storage unit and the second storage unit, and when the load of the wind power generation system is relatively low, the first pumping device or the second pumping device start to convey the fuel in the first storage unit or the fuel in the second storage unit, so that redundant fuel conveying is avoided.

In some embodiments, the gas storage device includes a first gas storage unit group connected between the heating device and the fuel power generation device, and a second gas storage unit group connected between the heating device and the fuel power generation device, and configured to store combustible gas generated from hydrocarbon fuel.

In the technical scheme, the first gas storage unit group is connected between the heating device and the fuel power generation device, and combustible gas generated by heating the biomass fuel by the heating device can be stored through the first gas storage unit group. The second gas storage unit group is connected between the heating device and the fuel power generation device and can store combustible gas generated by heating the hydrocarbon fuel by the heating device. Different types of fuels are stored in different gas storage unit groups, and because the speed of generating combustible gas and the amount of generated combustible gas of the different types of fuels are different, the combustible gas generated by the different types of fuels is called according to the load of the wind power generation system, so that the peak regulation responsiveness of the wind power generation peak regulation system can be improved.

In some embodiments, the first gas storage tank group comprises a plurality of first gas storage tanks arranged in parallel, and the second gas storage tank group comprises a plurality of second gas storage tanks arranged in parallel.

In the technical scheme, the first gas storage unit group comprises a plurality of first gas storage tanks which are arranged in parallel, the second gas storage unit group comprises a plurality of second gas storage tanks which are arranged in parallel, combustible gas is stored by taking the gas storage tanks as the minimum unit, an operator can intuitively know the storage amount of the combustible gas according to the capacity of the gas storage tanks and the number of the gas storage tanks, when the load of the wind power generation peak shaving system changes, appropriate combustible gas amount is timely called to the fuel power generation device, and the energy utilization rate and the power supply efficiency of the wind power generation peak shaving system can be improved.

In some embodiments, the heating device has a first outlet, the fuel power plant has a first inlet;

the first gas storage tank is provided with a first gas inlet and a first gas outlet, the first gas inlet of each first gas storage tank is connected with the first outlet through a first gas inlet pipe, a first switch valve is arranged in the first gas inlet pipe, the first gas outlet of each first gas storage tank is connected with the first inlet through a first gas outlet pipe, and a second switch valve is arranged on the first gas outlet pipe.

In the technical scheme, first ooff valve sets up in first intake pipe, the second ooff valve sets up on first outlet duct, be in peak or valley period according to load demand electric quantity, can open or stop heating device through first ooff valve and provide the combustible gas that biomass fuel generated to each first gas holder, can control each first gas holder through the second ooff valve and open or stop providing the combustible gas that biomass fuel generated to fuel power generation facility, thereby adjust first gas holder group and provide the combustible gas flow to fuel power generation facility, thereby adjust the power supply volume of fuel power generation facility to the load, the wind-force peak shaving system can be comparatively accurate provide the electric energy of load demand for the load that changes, the effect of more accurate energy supply has been reached, the utilization ratio of electric energy has been improved.

In some embodiments, the first storage unit further comprises a first pipe and a second pipe, the first air outlet of each first air storage tank is connected to the first pipe through one first air outlet pipe, the first pipe is connected to the first inlet through the second pipe, and the second pipe is provided with a third on/off valve.

In the technical scheme, the first gas outlet of each first gas storage tank is connected with the first pipe through the first gas outlet pipe, the first pipe is connected with the first inlet through the second pipe, the third switch valve is arranged on the second pipe, the first storage unit can be opened or closed to provide combustible gas for the fuel heating device according to the condition that the electric quantity required by the load is in a peak period or a valley period, the redundant combustible gas is prevented from being introduced into the fuel power generation device, and the utilization rate of energy is improved.

In some embodiments, the heating device has a second outlet, the fuel power plant has a second inlet;

the second gas holder has second air inlet and second gas outlet, the second air inlet of every second gas holder through a second intake pipe with the second export links to each other, be equipped with the fourth ooff valve in the second intake pipe, the second gas outlet of every second gas holder through a second outlet duct with the second import links to each other, be equipped with the fifth ooff valve on the second outlet duct.

In the above technical scheme, a fourth switch valve is arranged on the second air inlet pipe, and a fifth switch valve is arranged on the second air outlet pipe. According to the load demand electric quantity in the peak or valley period, the fourth switch valve can be opened or the heating device can be stopped to provide the combustible gas that hydrocarbon fuel generated to the gas holder, the fifth switch valve can control the gas holder to open or stop providing the combustible gas that hydrocarbon fuel generated to the fuel power generation device, thereby adjust the second gas holder group and provide the combustible gas flow to the fuel power generation device, thereby adjust the power supply volume of fuel power generation device to the load, the wind-force peak regulation system can be comparatively accurate provide the electric energy of load demand for the load that changes, the effect of comparatively accurate energy supply has been reached, the utilization ratio of electric energy has been improved.

In some embodiments, the second gas storage tank unit further includes a third pipe and a fourth pipe, the second gas outlet of each second gas storage tank is connected to the third pipe through a second gas outlet pipe, and the fourth pipe is provided with a sixth switch valve.

In the above technical scheme, the second gas outlet of each second gas storage tank is connected with the third pipe through a second gas outlet pipe, the fourth pipe is provided with a sixth switch valve, the first storage unit can be opened or closed to provide combustible gas for the fuel heating device according to the fact that the electric quantity required by the load is in a peak period or a valley period, the redundant combustible gas is prevented from being introduced into the fuel power generation device, and the utilization rate of energy is improved.

In some embodiments, the fuel cell is a fuel cell.

In the technical scheme, the fuel power generation device is a fuel cell, the fuel cell transfers chemical energy of fuel, namely Gibbs free energy in combustible gas delivered to the storage device in the fuel cell, to electric energy through electrochemical reaction, and the electric energy is not limited by Carnot cycle effect, so that the energy conversion efficiency is higher than that of the traditional coal-fired power generation device, and the utilization rate of a wind power generation peak regulation system to energy and the power supply efficiency to a load are improved.

In addition, the fuel cell uses combustible gas and oxidizing gas as raw materials, the combustible gas and oxygen introduced into the fuel cell are subjected to oxidation-reduction reaction to generate free electrons, the movement of the electrons enables the fuel power generation device to generate current, the fuel power generation device converts chemical energy into electric energy, the conversion rate is high, and the utilization rate of surplus electric energy generated by the wind power generation device can be improved.

The proportion of the sulfur-containing compound to the nitrogen-containing compound in the discharged gas is small, the protection of a wind power generation peak regulation system to the environment is facilitated, and the fuel cell has no mechanical transmission part in the traditional coal-fired power generation device, is simple in structure and small in size, can reduce the whole size of the wind power generation peak regulation system, reduces the installation cost of the wind power generation system, and has better economical efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic view of a wind power generation peak shaving system provided in some embodiments of the present application;

FIG. 2 is a schematic view of an air storage device of the wind power generation peak shaving system shown in FIG. 1;

fig. 3 is a schematic view of a heating device, a gas storage device and a fuel power generation device of the wind power generation peak shaving system shown in fig. 1.

Icon: 100-wind power generation peak shaving system; 10-a storage device; 11-a first storage unit; 12-a second storage unit; 20-a heating device; 21-a first outlet; 22-a second outlet; 30-a wind power generation device; 31-a windmill; 32-a power transformation device; 40-a pumping device; 41-a first pumping means; 42-a second pumping means; 50-gas storage device; 51-a first gas storage unit group; 511-a first gas reservoir; 5111-a first air inlet pipe; 5112-a first outlet duct; 5113-first air intake; 5114-first outlet port; 512-a first tube; 513-a second tube; 52-a second gas storage unit group; 521-a second air reservoir; 5211-a second inlet duct; 5212-a second outlet pipe; 5213-a second air inlet; 5214-a second outlet; 522-a third tube; 523-fourth tube; 60-a fuel power plant; 61-a first inlet; 62-a second inlet; 70-a switch valve; 71-a first on-off valve; 72-a second on-off valve; 73-a third on-off valve; 74-a fourth switching valve; 75-a fifth on-off valve; 76-sixth on-off valve.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of the orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, and is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the application. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Examples

In the process of supplying power to a load by the wind power generation device, the power load of the wind power generation device is uneven, the original wind power generation device is difficult to meet the power demand when the power load is the maximum, and an additional power generation device, namely a peak regulation device, needs to be added on the basis of the original wind power generation device. At present, a peak regulation device usually adopts a pumped storage device, when the power load is small, the pumped storage device utilizes surplus electric energy generated by a wind power generation device to pump water and store the water in a reservoir, when the power load is large, the pumped storage device discharges water in the reservoir, and potential energy of the water is converted into mechanical energy to supply power to the load. The whole peak regulation system is large in size, high in operation cost and low in energy utilization rate.

The inventor finds that the pumped storage peak regulation device converts surplus electric energy generated by the stored wind power generation device into mechanical energy pumped by a water pump, water pumped by the water pump is stored in a reservoir, the wind power generation device opens a gate to discharge water when being overloaded, the gravitational potential energy of the water is converted into the mechanical energy, the power generation device in the pumped storage device converts the mechanical energy into the electric energy to supply power to a load, the energy is converted through multiple stages of energy, the energy dissipation rate is high, the energy utilization rate is low, the power supply efficiency is low, the whole peak regulation system is large in size, the operation cost is high, and the energy utilization rate is low.

In view of the above, referring to fig. 1, fig. 1 is a schematic view of a wind power generation peak shaving system 100 according to some embodiments of the present disclosure, where the wind power generation peak shaving system 100 includes a storage device 10, a heating device 20, a wind power generation device 30, an air storage device 50, and a fuel power generation device 60. The storage device 10 is used to store fuel. The heating device 20 is connected to the storage device 10, and the fuel can be heated by the heating device 20 to generate a combustible gas. The wind power generation device 30 is electrically connected to the heating device 20, and the wind power generation device 30 can supply power to the heating device 20 and the load. The gas storage device 50 is connected to the heating device 20, and the gas storage device 50 can store combustible gas. The fuel power generation device 60 is connected to the gas storage device 50, and the fuel power generation device 60 can provide electric power to a load.

The wind power generation device 30 is electrically connected to the heating device 20, and the wind power generation device 30 can supply power to the heating device 20 and the load. The storage device 10 can store fuel, and the heating device 20 is connected to the storage device 10 and can heat the fuel to generate combustible gas by the electric power provided by the wind power generation device 30. The gas storage device 50 is connected to the heating device 20, and the gas storage device 50 can store combustible gas generated by heating the fuel by the heating device 20. The fuel power generation device 60 is connected to the gas storage device 50, and the fuel power generation device 60 supplies power to the load by using the combustible gas generated by the heating device 20.

Under the condition of small load, the wind power generation device 30 generates surplus electric energy, the system supplies power to the heating device 20 by using the surplus electric energy, fuel in the heating device 20 is heated to generate combustible gas, and the combustible gas is stored, so that the surplus electric energy is stored. In this process, the electric energy generated by the wind power generation device 30 can be stored in the form of chemical energy as well as power supply to the load, so that the dissipation of surplus electric energy can be reduced.

Under the condition of large load, the system supplies power to the load by using the fuel power generation device 60 and the wind power generation device 30 at the same time, combustible gas in the gas storage device 50 is introduced into the fuel power generation device 60, the combustible gas and oxygen introduced into the fuel power generation device 60 generate oxidation-reduction reaction to generate free electrons, the movement of the electrons enables the fuel power generation device 60 to generate current, the fuel power generation device 60 converts chemical energy into electric energy, the conversion rate is high, and the utilization rate of surplus electric energy generated by the wind power generation device 30 can be improved.

Under the condition of uneven load size change, the power supply quantity of the wind power generation device 30 to the heating device 20 is adjusted so as to adjust the generation quantity of combustible gas, namely the storage quantity of surplus electric energy, and the condition of small load is met; the system can respond to the situation of large load by adjusting the air supply amount of the air storage device 50 to the fuel power generation device 60 so as to adjust the generated electric quantity of the fuel power generation device 60, namely, the residual demand amount of the load after the power supply amount of the wind power generation device 30 is removed, so that the system has quick response when the load size changes unevenly.

For example, the wind power generation peak shaving system 100 may be adapted for use in a marine environment.

In some embodiments, referring to fig. 1, the storage device 10 includes a first storage unit 11 and a second storage unit 12, both the first storage unit 11 and the second storage unit 12 are connected to a heating device 20, the first storage unit 11 can store biomass fuel, the second storage unit 12 can store hydrocarbon fuel, and the heating device 20 can heat the biomass fuel and the hydrocarbon fuel to generate combustible gas.

The first storage unit 11 and the second storage unit 12 store different kinds of fuel, and are heated by the heating device 20 to generate combustible gas. After the biomass fuel is heated and combusted through the heating device 20, the generated combustible gas is low in content of sulfur-containing compounds and nitrogen-containing compounds, a good environment-friendly effect can be achieved, the biomass fuel is heated through the heating device 20 to be made into the combustible gas, the process of the biomass fuel is a biomass fuel gasification process, and the biomass fuel is combusted after being made into the combustible gas, so that the combustion efficiency can be greatly improved compared with the direct combustion of the biomass fuel. The hydrocarbon in the hydrocarbon fuel is pyrolyzed at high temperature by the heating device 20 under the action of the catalyst to generate low-carbon combustible gas and low-carbon olefin, the low carbon combustible gas has low carbon content and high hydrogen content, and can play a good environment-friendly effect, and the low-carbon olefin can be transported to bring economic benefits for industry and agriculture. And the energy density of the hydrocarbon fuel is high, the energy density of the biomass fuel is low, the energy is dispersed, and the hydrocarbon fuel and the biomass fuel can be combined for use to provide energy for the load more stably under the condition of considering the environmental protection property.

The storage device may comprise one or more storage units.

For example, the biomass fuel may be chlorella, since cells of the chlorella are simple single-cell structures, the photosynthesis rate of the chlorella is high, a large amount of oil is rapidly accumulated along with the increase of cell biomass, the oil content in the chlorella is high, the combustion effect after heating is good, chlorella strains can grow in saline medium of uncultivated land and can be cultivated in seawater in a large scale, and when the wind power generation peak regulation system 100 is applied to a marine environment, the transportation of the chlorella is convenient, so that the wind power generation peak regulation system 100 is good in economy.

For example, the hydrocarbon fuel may be a liquid fuel produced by a transesterification reaction of a lipid compound with methanol as a raw material in the presence of a catalyst. The wind power generation peak regulation system 100 can be regenerated by utilizing crops, is a low-pollution renewable fuel, and improves the environmental protection property.

In some embodiments, the heating device 20 may be a microwave heating device 20.

In the operation process, the microwave heating device 20 heats the fuel in the storage device 10 by using the microwave energy converted from the surplus electric energy generated by the wind power generation device 30, internal friction heat is generated by the high-frequency reciprocating motion of the molecules in the fuel, the temperature of the fuel is increased, the heat conduction process is not needed, the heating speed is high and uniform, the combustible gas can be rapidly and uniformly generated, no harmful gas is generated, the electric energy utilization rate and the power supply efficiency of the wind power generation peak regulation system 100 are improved, the structure of the microwave heating device 20 is simple, the size is small, and the whole size of the wind power generation peak regulation system 100 can be reduced.

In other embodiments, the heating device 20 may have other configurations, for example, the heating device 20 may be a steam boiler.

In the operation process, the steam boiler heats the fuel in the storage device 10 by using surplus electric energy generated by the wind power generation device 30 to generate steam, and the steam generated by the steam boiler drives the steam turbine power generation device to generate electricity, so that the energy utilization rate is low, and the steam boiler is large in size and complex in structure.

In some embodiments, the wind power generation device 30 may include a windmill 31 and a power transformation device 32, the windmill 31 is electrically connected to the power transformation device 32, the windmill 31 transforms wind power at sea into electric power to be transmitted to the power transformation device 32, and the power transformation device 32 frequency modulates and phase modulates the electric power to be transmitted to the heating device 20.

Illustratively, the power transformation device 32 may be a substation.

In some embodiments, the wind power peak shaving system 100 may further comprise a pumping device 40, the pumping device 40 is connected to the storage device 10, and the pumping device 40 is used for conveying the fuel stored in the storage device 10 to the heating device 20.

The pumping device 40 is connected to the storage device 10, and can stop or start the transportation of the fuel in the storage device 10 according to the load of the wind power generation peak shaving system 100, so that the energy utilization rate of the wind power generation peak shaving system 100 is improved.

The pumping means 40 may be one or more, one pumping means 40 may be connected to one or more storage units of the storage apparatus 10, and a plurality of pumping means 40 may be connected to one or more storage units of the storage apparatus 10.

In some embodiments, with continued reference to fig. 1, in the embodiment where the storage device 10 includes the first storage unit 11 and the second storage unit 12, the pumping device 40 may include a first pumping device 41 and a second pumping device 42, the first pumping device 41 is connected between the first storage unit 11 and the heating device 20, the first pumping device 41 may pump the biomass fuel in the first storage unit 11 into the heating device 20, the second pumping device 42 is connected between the second storage unit 12 and the heating device 20, and the second pumping device 42 may pump the hydrocarbon fuel in the second storage unit 12 into the heating device 20.

The first pumping device 41 is connected to the first storage unit 11, the second pumping device 42 is connected to the second storage unit 12, and the transportation of the fuel in the first storage unit 11 and the fuel in the second storage unit 12 can be stopped or started according to the load of the wind power generation peak shaving system 100, so that the energy utilization rate of the wind power generation peak shaving system 100 is improved.

The pumping device 40 can adjust the fuel delivery amount in the first storage unit 11 and the second storage unit 12 according to the load of the wind power generation peak shaving system 100, so as to prevent the fuel in the heating device 20 from being excessive, and the surplus electric energy of the wind power generation peak shaving system 100 is not enough to completely burn the fuel in the heating device 20, thereby causing fuel waste and improving the energy utilization rate of the wind power generation peak shaving system 100.

In some embodiments, referring to fig. 2, fig. 2 is a schematic diagram of a gas storage device 50 of the wind power generation peak shaving system 100 shown in fig. 1, where the gas storage device 50 includes a first gas storage unit group 51 and a second gas storage unit group 52, the first gas storage unit group 51 is connected between the heating device 20 and the fuel power generation device 60, the first gas storage unit group 51 can store combustible gas generated from biomass fuel, the second gas storage unit group 52 is connected between the heating device 20 and the fuel power generation device 60, and the second gas storage unit group 52 can store combustible gas generated from hydrocarbon fuel.

Different types of fuel are stored in different gas storage unit groups, and because the speed of generating combustible gas and the amount of generated combustible gas are different, the combustible gas generated by different types of fuel is called according to the load of the wind power generation system, so that the peak regulation responsiveness of the wind power generation peak regulation system 100 can be improved.

In some embodiments, with continued reference to fig. 2, the first gas storage tank group 51 includes a plurality of first gas storage tanks 511 arranged in parallel, and the second gas storage tank group 52 includes a plurality of second gas storage tanks 521 arranged in parallel.

The combustible gas is stored by taking the gas storage tank as the minimum unit, so that an operator can intuitively know the storage amount of the combustible gas according to the capacity of the gas storage tank and the number of the gas storage tanks, and can timely call the appropriate amount of the combustible gas to the fuel power generation device 60 when the load of the wind power generation peak shaving system 100 changes, so that the energy utilization rate and the power supply efficiency of the wind power generation peak shaving system 100 can be improved.

In other embodiments, the gas storage unit group may include a plurality of series-parallel gas storage tanks. In some embodiments, referring to fig. 3, fig. 3 is a schematic view of the heating device 20, the gas storage device 50 and the fuel power generation device 60 shown in fig. 1, wherein the heating device 20 has a first outlet 21, and the fuel power generation device 60 has a first inlet 61. The first air storage tank 511 is provided with a first air inlet 5113 and a first air outlet 5114, the first air inlet 5113 of each first air storage tank 511 is connected with the first outlet 21 through a first air inlet pipe 5111, the first air inlet pipe 5111 is provided with a first switch valve 71, the first air outlet 5114 of each first air storage tank 511 is connected with the first inlet 61 through a first air outlet pipe 5112, and the first air outlet pipe 5112 is provided with a second switch valve 72. According to the peak or low-valley period of the electric quantity required by the load, the first switch valve 71 can start or stop the heating device 20 to provide the combustible gas generated by the biomass fuel for each first gas storage tank 511, and the second switch valve 72 can control each first gas storage tank 511 to start or stop providing the combustible gas generated by the biomass fuel for the fuel power generation device 60, so that the flow of the combustible gas provided by the first gas storage unit group 51 to the fuel power generation device 60 is adjusted, the power supply quantity of the fuel power generation device 60 to the load is adjusted, the wind power peak regulation system can accurately provide the electric energy required by the load for the changed load, the accurate energy supply effect is achieved, and the utilization rate of the electric energy is improved.

In some embodiments, the first and second switching valves 71 and 72 may be pneumatic switching valves 70 or electric switching valves 70.

In some embodiments, referring to fig. 3, the first gas storage tank set 51 further includes a first pipe 512 and a second pipe 513, the first gas outlet 5114 of each first gas storage tank 511 is connected to the first pipe 512 through a first gas outlet pipe 5112, the first pipe 512 is connected to the first inlet 61 through the second pipe 513, and the second pipe 513 is provided with a third on/off valve 73. According to the condition that the electric quantity required by the load is in the peak period or the valley period, the third on-off valve 73 can open or close the first storage unit 11 to provide the combustible gas for the fuel heating device 20, so that the redundant combustible gas is prevented from being introduced into the fuel power generation device 60, and the utilization rate of energy is improved.

First air reservoir 511 the first air reservoir 511 in some embodiments, with continued reference to fig. 3, the heating unit 20 has a second outlet 22 and the fuel cell power plant 60 has a second inlet 62. The second air tank 521 has a second air inlet 5213 and a second air outlet 5214, the second air inlet 5213 of each second air tank 521 is connected with the second outlet 22 through a second air inlet pipe 5211, the second air inlet pipe 5211 is provided with a fourth switch valve 74, the second air outlet 5214 of each second air tank 521 is connected with the second inlet 62 through a second air outlet pipe 5212, and the second air outlet pipe 5212 is provided with a fifth switch valve 75. According to the load demand electric quantity being in the peak or the valley period, the fourth switch valve 74 can start or stop the heating device 20 to provide the combustible gas generated by the hydrocarbon fuel to the gas storage tank, the fifth switch valve 75 can control the gas storage tank to start or stop providing the combustible gas generated by the hydrocarbon fuel to the fuel power generation device 60, so that the flow of the combustible gas provided by the second gas storage unit group 52 to the fuel power generation device 60 is adjusted, the power supply quantity of the fuel power generation device 60 to the load is adjusted, the wind power peak regulation system can accurately provide the electric energy required by the load for the changed load, the effect of accurate energy supply is achieved, and the utilization rate of the electric energy is improved.

In some embodiments, the third switching valve 73 and the fourth switching valve 74 may be the pneumatic switching valve 70 or the electric switching valve 70.

In some embodiments, referring to fig. 3, the second air storage tank group 52 further includes a third pipe 522 and a fourth pipe 523, the second air outlet 5214 of each second air storage tank 521 is connected to the third pipe 522 through a second air outlet pipe 5212, and the fourth pipe 523 is provided with a sixth switch valve 76. According to the condition that the electric quantity required by the load is in the peak period or the valley period, the sixth switch valve 76 can open or close the first storage unit 11 to provide the combustible gas for the fuel heating device 20, so that the redundant combustible gas is prevented from being introduced into the fuel power generation device 60, and the utilization rate of energy is improved.

In some embodiments, with continued reference to fig. 3, the fuel cell power plant 60 is a fuel cell. The fuel cell converts chemical energy of the fuel, namely Gibbs free energy in combustible gas transmitted to the storage device 10 in the fuel cell into electric energy through electrochemical reaction without the limitation of Carnot cycle effect, so that the energy conversion efficiency is higher than that of the traditional coal-fired power generation device, and the utilization rate of the wind power generation peak regulation system 100 to energy and the power supply efficiency to loads are improved.

In addition, the fuel cell uses combustible gas and oxidizing gas as raw materials, the proportion of sulfur-containing compounds and nitrogen-containing compounds in the discharged gas is small, the wind power generation peak shaving system 100 is beneficial to protecting the environment, and the fuel cell does not have a mechanical transmission part in the traditional coal-fired power generation device, has simple structure and small volume, can reduce the whole volume of the wind power generation peak shaving system 100, reduces the installation cost of the wind power generation system, and has better economy.

In other embodiments, the fuel cell 60 may have other configurations and the fuel cell 60 may be a turbine generator.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

The above embodiments are merely for illustrating the technical solutions of the present application, and are not intended to limit the present application, and those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.