Solar thermal power station mainly includes linear fresnel mirror field, concrete heat storage device and steam turbine generating unit.
Principle: Heat collection and heat storage: The sunlight is collected on the heat absorber through condenser mirrors. Water as working fluid absorbs heat, is turned into superheated steam which enters concrete heat storage device and is stored. The superheated steam condenses into water, flowing back to the linear fresnel solar system to start the next cycle.
Heat extraction: water flows into concrete heat storage device extracting heat to be superheated steam which entering the turbo-generator unit to generate electricity. When steam cools down, it enters into next cycle.
It mainly includes low and medium magnification tilting array concentrating system, photovoltaic system and power transformation system
Principle
Solar concentrating photovoltaic power generation system obtains medium and low concentration rate through concentrated light reflector, concentrating in a glass tube equipped with photovoltaic structure to generate power.
It mainly includes photothermal-photovoltaic integrated power generating device, concrete heat storage device and ORC.
Principle: It uses the concentrated sunlight in a subband way efficiently, outputting electric energy and high-temperature hot water which is stored in solid heat storage body. When needed, the heat is transferred into steam to push ORC to generate power or use it directly.
It mainly includes solar mirror field, concrete heat storage device (optional) and heat exchanger (if necessary)
Principle:
Heat collection and heat storage: The principle is the same as that of the solar thermal power station. The difference is that the focusing ratio of the solar mirror field, the requirements of the thermal pipeline and the cost of the solar mirror field are all significantly reduced.
Heat extraction and steam supply: Water flows through the concrete heat storage device to extract heat, and outputs saturated steam or micro-superheated steam, which can be directly delivered to end users as required, or returned the concrete heat storage device for heat extraction cycle.
It mainly includes greenhouse or livestock greenhouse, solar mirror field, concrete heat storage device (optional), and heat exchanger (if necessary)
Principle:
Heat collection and heat storage: The principle is the same as that of the solar steam supply equipment, except that the solar heat collection system includes a solar mirror field and a greenhouse or livestock greenhouse.
Heat extraction and steam supply: The principle is the same as that of the heat collection and heat storage of solar steam supply equipment.
It mainly includes photothermal-photovoltaic integrated device, concrete heat storage device (optional), and solid electric heat storage device (if necessary)
Principle:
photothermal-photovoltaic integrated power generating device uses gathered sunlight in a subband way efficiently, which can efficiently output electric energy and high-temperature hot water. High-temperature hot water is stored in a concrete heat storage device.The heat can be transferred into saturated steam or superheated steam to be used directly when needed. The output electrical energy can be converted into heat energy stored in a solid electric thermal storage device, which can be used directly in the form of saturated steam or superheated steam according to your need.
It mainly includes solid electric heat storage and steam supply device and accessories.
Principle:
Lower-priced valley electricity and disused electricity are stored in solid electric thermal storage steam supply equipment, outputting heat in the form of saturated steam or superheated steam when needed. The saturated steam or superheated steam enters heat exchanger exchanging heat with water. After heat exchanging, the saturated steam or superheated steam condenses and returns to the solid electric storage steam supply equipment, starting the next cycle. At the same time, with the temperature of the water increased, it becomes saturated steam or superheated steam, which is sent to users including industries, agriculture and service industries.
It mainly includes photothermal-photovoltaic integrated device and reservoir (optional)
Principle:
The operating principle is the same as that of photothermal-photovoltaic integrated heating equipment. The difference lies in the low concentration ratio, generally 10-30 times, and the output form of thermal energy is hot water, which is mainly used in winter heating, supply heating for agriculture, animal husbandry, livelihood and production.
It mainly includes solar mirror field, water storage system (optional) and heat exchanger (if necessary)
Principle: The operating principle is the same as that of solar steam supply equipment. The difference is that the concentration ratio is further reduced, the requirements for related equipment such as heat pipes are reduced, and cost is further reduced significantly. Normally, water storage system is storage tank or reservoir, while it is optional. The final output hot water is used for winter heating, agriculture, animal husbandry and production.
It mainly includes solid electric thermal storage hot water supply device and auxiliary facilities
Principle:
The lower-priced valley electricity or discarded electricity are stored in solid electric thermal storage hot water supply equipment. The heat is output in the form of hot water when needed, the hot water enters the heat exchanger to exchange heat with cold water, and then the hot water returns to the solid electric heat storage hot water supply equipment for the next cycle. After the heat exchanged, the cold water turns into hot water and sent to users for winter heating, agriculture, animal husbandry, and production.
1.The tilted mirror can reduce cosine loss. The concentration ratio of power generating equipment can reach 200 times, the steam supply equipment 30-100 times and hot water supply equipment 10-30 times;
2.The supporting structure is stable and uses less steel, which can withstand class 10 winds;
3.The mirror field is compact. The utilization of S mirror surface or S mirror field is above 48%. Land can be comprehensively developed and utilized;
4.It can be combined with structures such as greenhouses, livestock greenhouses, factories and treasuries to solve land property without affecting normal production.
5.DSG heat transfer technology is safe, environmentally friendly, mature, simple and reliable when applied to power generation and steam supply;
6.The specular reflection ratio of cold-formed composite glass reflector is 93.5% ± 0.5%, with strong weather resistance, high impact strength, and a life of more than 30 years;
7.Fully automatic dry cleaning machine is with low energy consumption, high frequency and high mirror cleanliness;
8.Rainwater collection device is to reduce water resource dependence;
9.Its cost is low;
10.Annual heat is balanced.
1.It consists of recipe concrete, heat exchange pipe, insulation and control system
2.550℃ high temperature resistance、High basic heat、Safe and reliable、Low materiasl cost 、No pollution、Modular structure、No flammable and explosive material .
1、High sunlight energy efficiency Sunlight is divided into multiple spectral bands, and each band is used efficiently. It can not only output photovoltaic power, but also get 3 times of that of the energy of power.
2、It is distributable, such as layout and roof .
It is apply to large-scale storage for hot water with low construction and maintenance costs.
Low cost 、High heat storage density 、Modular production 、Safe operation and low operation and maintenance costs
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