CN109959057A - A wind energy and solar energy integrated energy storage heating system - Google Patents
A wind energy and solar energy integrated energy storage heating system Download PDFInfo
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 26
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- 238000005516 engineering process Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 239000003245 coal Substances 0.000 description 2
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 2
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/18—Combinations of wind motors with apparatus storing energy storing heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D15/00—Other domestic- or space-heating systems
- F24D15/02—Other domestic- or space-heating systems consisting of self-contained heating units, e.g. storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D19/00—Details
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Life Sciences & Earth Sciences (AREA)
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- Sustainable Energy (AREA)
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Abstract
本发明涉及一种风能和太阳能综合储能供热系统，包括风力机、太阳能电池板、液压泵、压缩机、高压储气罐、膨胀机、热泵，所述风力机和太阳能电池板均与液压泵连接，液压泵通过压缩机与高压储气罐的入口连接，高压储气罐的出口通过膨胀机与液压马达一连接，液压马达一通过热泵连接至用户。将富余的风能和太阳能以高压空气形式储存在高压储气罐中，以备能量不足时使用，实现持续为用户供暖；膨胀机与压缩机之间通过低压储气罐实现低压空气回收利用，提高储能效率；整个储能供热系统不使用任何化石燃料，不会对环境产生污染，储能供热效率高。
The invention relates to a wind energy and solar energy integrated energy storage and heating system, comprising a wind turbine, a solar panel, a hydraulic pump, a compressor, a high-pressure air storage tank, an expander, and a heat pump. The pump is connected, the hydraulic pump is connected to the inlet of the high-pressure air storage tank through the compressor, the outlet of the high-pressure air storage tank is connected to the hydraulic motor through the expander, and the hydraulic motor is connected to the user through the heat pump. The surplus wind energy and solar energy are stored in the high-pressure air storage tank in the form of high-pressure air to be used when the energy is insufficient to achieve continuous heating for users; Energy storage efficiency; the entire energy storage and heating system does not use any fossil fuels and will not pollute the environment, and the energy storage and heating efficiency is high.
Description
技术领域technical field
本发明属于清洁能源利用领域，具体涉及一种风能和太阳能综合储能供热系统。The invention belongs to the field of clean energy utilization, in particular to a wind energy and solar energy integrated energy storage heating system.
背景技术Background technique
传统供暖主要是利用化石燃料进行供暖的方式，这些用于供暖的化石燃料主要有煤炭、石油和天然气，由于传统供暖方式消耗化石燃料，因此供暖过程会产生大量的污染物，对环境造成严重的污染。随着人类对能源的消费需求越来越大，煤炭、石油、天然气等常规、一次能源不仅储量有限而且不可再生，可再生能源的开发与利用日益重要。目前大规模发展的可再生清洁能源包括太阳能、风能、生物质能等。Traditional heating mainly uses fossil fuels for heating. The fossil fuels used for heating mainly include coal, oil and natural gas. Since traditional heating methods consume fossil fuels, the heating process will produce a large amount of pollutants, causing serious environmental damage. Pollution. With the increasing demand for energy consumption by human beings, conventional and primary energy sources such as coal, oil, and natural gas are not only limited in reserves but also non-renewable. The development and utilization of renewable energy is increasingly important. At present, the large-scale development of renewable and clean energy includes solar energy, wind energy, biomass energy and so on.
风能是清洁的可再生能源，其发电成本低，在世界上已经广泛应用，但是，风能发电也有很大的缺点，就是间歇性，不稳定性，常规的风力发电不能提供可控的稳定的电力。而目前用在风电中的储能主要是抽水蓄能和压缩空气储能，抽水蓄能需要大量的水源外还需要合适的地势。太阳能热发电同样存在不可控和不连续的技术缺陷。Wind energy is a clean and renewable energy source with low power generation cost and has been widely used in the world. However, wind energy power generation also has great shortcomings, that is, intermittent and unstable. Conventional wind power generation cannot provide controllable and stable power. . At present, the energy storage used in wind power is mainly pumped hydro energy storage and compressed air energy storage. Pumped hydro energy storage requires a large amount of water and suitable terrain. Solar thermal power also has uncontrollable and discontinuous technical defects.
如何将富余的风能、太阳能以压缩空气的形式储存起来，以备不足时使用，实现持续供暖的目的，是将要解决的问题。How to store the surplus wind energy and solar energy in the form of compressed air for use in case of shortage to achieve the purpose of continuous heating is the problem to be solved.
发明内容SUMMARY OF THE INVENTION
本发明的目的在于提供一种风能和太阳能综合储能供热系统，整合风能和太阳能，将其转化为热能，并且将富余的风能和太阳能用压缩空气储能技术储存起来，实现为用户持续供暖目的。The purpose of the present invention is to provide a wind energy and solar energy integrated energy storage heating system, which integrates wind energy and solar energy, converts it into heat energy, and stores the surplus wind energy and solar energy with compressed air energy storage technology to realize continuous heating for users. Purpose.
本发明解决其技术问题所采用的技术方案是：一种风能和太阳能综合储能供热系统，包括风力机、太阳能电池板、液压泵、压缩机、高压储气罐、膨胀机、热泵，所述风力机和太阳能电池板均与液压泵连接，液压泵通过压缩机与高压储气罐的入口连接，高压储气罐的出口通过膨胀机与液压马达一连接，液压马达一通过热泵连接至用户。The technical solution adopted by the present invention to solve the technical problem is as follows: a wind energy and solar energy integrated energy storage and heating system, including a wind turbine, a solar panel, a hydraulic pump, a compressor, a high-pressure air storage tank, an expander, and a heat pump. The wind turbine and the solar panel are connected to the hydraulic pump, the hydraulic pump is connected to the inlet of the high-pressure air storage tank through the compressor, the outlet of the high-pressure air storage tank is connected to the hydraulic motor through the expander, and the hydraulic motor is connected to the user through the heat pump. .
具体地，所述液压泵还通过液压马达二与热泵连接。Specifically, the hydraulic pump is also connected to the heat pump through the second hydraulic motor.
具体地，所述膨胀机与低压储气罐的入口连接，低压储气罐的出口连接至压缩机。Specifically, the expander is connected to the inlet of the low-pressure air storage tank, and the outlet of the low-pressure air storage tank is connected to the compressor.
具体地，所述压缩机为液体活塞式压缩机。Specifically, the compressor is a liquid piston compressor.
具体地，所述膨胀机为液体活塞式膨胀机。Specifically, the expander is a liquid piston expander.
具体地，所述压缩机压缩过程产生热量，将水加热后用于膨胀机的膨胀过程；膨胀机膨胀过程吸收热量，产生的低温水连通至压缩机，被压缩机加热。Specifically, the compression process of the compressor generates heat, and the water is heated for the expansion process of the expander; the expansion process of the expander absorbs heat, and the generated low-temperature water is connected to the compressor and heated by the compressor.
本发明具有以下有益效果：本发明的综合储能供热系统能将富余的风能和太阳能以高压空气形式储存在高压储气罐中，以备能量不足时使用，实现持续为用户供暖；膨胀机与压缩机之间通过低压储气罐实现低压空气回收利用，提高储能效率；整个储能供热系统不使用任何化石燃料，不会对环境产生污染，储能供热效率高。The invention has the following beneficial effects: the comprehensive energy storage and heating system of the invention can store surplus wind energy and solar energy in the high-pressure air storage tank in the form of high-pressure air for use when the energy is insufficient, thereby realizing continuous heating for users; the expander Between the compressor and the compressor, the low-pressure air is recycled through the low-pressure air storage tank, which improves the energy storage efficiency.
附图说明Description of drawings
图1是本发明综合储能供热系统的结构图。Fig. 1 is the structure diagram of the integrated energy storage heating system of the present invention.
图中，1、风力机，2、液压泵，3、压缩机，4、高压储气罐，5、低压储气罐，6、膨胀机，7、液压马达一，8、热泵，9、液压马达二，10、太阳能电池板，11、用户。In the figure, 1. Wind turbine, 2. Hydraulic pump, 3. Compressor, 4. High-pressure air storage tank, 5. Low-pressure air storage tank, 6. Expander, 7. Hydraulic motor 1, 8. Heat pump, 9. Hydraulic Motor two, 10, solar panel, 11, user.
具体实施方式Detailed ways
以下是本发明的具体实施例，对本发明的技术方案做进一步描述，但是本发明的保护范围并不限于这些实施例。凡是不背离本发明构思的改变或等同替代均包括在本发明的保护范围之内。The following are specific embodiments of the present invention to further describe the technical solutions of the present invention, but the protection scope of the present invention is not limited to these embodiments. All changes or equivalent substitutions that do not depart from the concept of the present invention are included in the protection scope of the present invention.
如图1所示，一种风能和太阳能综合储能供热系统，包括风力机1、太阳能电池板10、液压泵2、压缩机3、高压储气罐4、膨胀机6、热泵8，所述风力机1和太阳能电池板10均与液压泵2连接，液压泵2通过压缩机3与高压储气罐4的入口连接，高压储气罐4的出口通过膨胀机6与液压马达一7连接，液压马达一7通过热泵8连接至用户11。As shown in Figure 1, a wind energy and solar energy integrated energy storage and heating system includes a wind turbine 1, a solar panel 10, a hydraulic pump 2, a compressor 3, a high-pressure gas storage tank 4, an expander 6, and a heat pump 8. The wind turbine 1 and the solar panel 10 are both connected to the hydraulic pump 2, the hydraulic pump 2 is connected to the inlet of the high-pressure air storage tank 4 through the compressor 3, and the outlet of the high-pressure air storage tank 4 is connected to the hydraulic motor-7 through the expander 6. , the hydraulic motor one 7 is connected to the user 11 through the heat pump 8 .
具体地，所述液压泵2还通过液压马达二9与热泵8连接。Specifically, the hydraulic pump 2 is also connected to the heat pump 8 through a second hydraulic motor 9 .
具体地，所述膨胀机6与低压储气罐5的入口连接，低压储气罐5的出口连接至压缩机3。膨胀机6排出具有一定压力的气体，送入低压储气罐，供压缩机3再压缩使用，构建一个低压空气回收再利用系统，提高储能效率。Specifically, the expander 6 is connected to the inlet of the low-pressure gas storage tank 5 , and the outlet of the low-pressure gas storage tank 5 is connected to the compressor 3 . The expander 6 discharges gas with a certain pressure, and sends it into the low-pressure gas storage tank for recompression by the compressor 3 to build a low-pressure air recovery and reuse system to improve the energy storage efficiency.
具体地，所述压缩机3为液体活塞式压缩机。Specifically, the compressor 3 is a liquid piston compressor.
具体地，所述膨胀机6为液体活塞式膨胀机。Specifically, the expander 6 is a liquid piston expander.
具体地，所述压缩机3压缩过程产生热量，将水加热后用于膨胀机6的膨胀过程；膨胀机6膨胀过程吸收热量，产生的低温水连通至压缩机3，被压缩机3加热。Specifically, the compression process of the compressor 3 generates heat, and the water is heated for the expansion process of the expander 6 ;
当风力机及太阳能电池板提供的功率与热泵的功率相当时，此时没有储能过程，液压泵驱动液压马达二直接作用于热泵，驱使热泵吸收环境中的热能，热泵将输入的机械能转化成热能的部分和从环境中吸收的热量一起释放给用户，达到为用户供暖的目的。When the power provided by the wind turbine and the solar panel is equal to the power of the heat pump, there is no energy storage process at this time, and the hydraulic pump drives the hydraulic motor 2 to directly act on the heat pump, driving the heat pump to absorb the heat energy in the environment, and the heat pump converts the input mechanical energy into The part of the thermal energy is released to the user together with the heat absorbed from the environment to achieve the purpose of heating the user.
当风力机及太阳能电池板提供的功率大于热泵的驱动功率时，则一部分驱动热泵为用户供暖，另一部分以高压空气的形式储存在高压储气罐内，高压储气罐中高压空气的压力能在功率不足时驱动热泵为用户供暖。When the power provided by the wind turbine and the solar panel is greater than the driving power of the heat pump, a part of the heat pump is driven to heat the user, and the other part is stored in the high-pressure air storage tank in the form of high-pressure air. The pressure energy of the high-pressure air in the high-pressure air storage tank Drive the heat pump to heat the user when the power is insufficient.
当风力机及太阳能电池板提供的功率小于热泵的驱动功率时，高压储气罐中高压空气释放，经膨胀机和液压马达一驱动热泵为用户供暖。When the power provided by the wind turbine and the solar panel is less than the driving power of the heat pump, the high-pressure air in the high-pressure air storage tank is released, and the heat pump is driven by the expander and the hydraulic motor to heat the user.
本发明不局限于上述实施方式，任何人应得知在本发明的启示下作出的结构变化，凡是与本发明具有相同或相近的技术方案，均落入本发明的保护范围之内。The present invention is not limited to the above-mentioned embodiments, and anyone should know that structural changes made under the inspiration of the present invention, all technical solutions that are the same or similar to the present invention, fall within the protection scope of the present invention.
本发明未详细描述的技术、形状、构造部分均为公知技术。The technology, shape, and structural part that are not described in detail in the present invention are all well-known technologies.
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| WO2022051987A1 (en) * | 2020-09-10 | 2022-03-17 | 周连惠 | System for comprehensive utilization of wind power and solar energy in coastal area |
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| CN115306557A (en) * | 2022-08-25 | 2022-11-08 | 上海电力大学 | Energy storage type gas-air combined cycle power generation system and method based on Ericsson cycle |
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| CN115164266A (en) * | 2022-06-30 | 2022-10-11 | 华能国际电力股份有限公司上安电厂 | Heating system for coupling compressed air energy storage and absorption heat pump and operation method |
| CN115306557A (en) * | 2022-08-25 | 2022-11-08 | 上海电力大学 | Energy storage type gas-air combined cycle power generation system and method based on Ericsson cycle |
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Application publication date: 20190702 |