Control equipment and method for improving fused salt melting efficiency of photo-thermal power station
A technology of control equipment and solar thermal power plants, which is applied in the field of control equipment to improve the efficiency of molten salt in solar thermal power plants, and can solve the problems of unutilized, high cost and time cost of natural gas, and limited heating capacity of natural gas heating furnace systems, etc. problems, to achieve the effect of reducing natural gas consumption, reducing salt cost, and improving environmental benefits
Pending Publication Date: 2021-02-05
北京能脉科技有限公司
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Problems solved by technology
The natural gas heating system needs to convert a large amount of solid molten salt into liquid molten salt every day. At the same time, the heating capacity of the natural gas heating furnace system is limited. In the molten salt project of a large-scale solar thermal power station with tens of thousands of tons, the cost of natural gas and time cost remain high
However, as an absorption system for converting solar energy into heat energy, it has not been utilized.
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[0055] Such as Figure 1-2 As shown, the present invention provides a control and method for improving the efficiency of melting salt in a photothermal molten salt project. The control and method include a belt conveying system 1, a salt melting tank system 2, a natural gas heating system 3, and a cold salt storage tank system 4 , the endothermic system 5, the hot salt storage tank system 6, the pipeline connection between the salt chemical tank system, the natural gas heating furnace system, the cold salt storage tank system, the heat absorption system, and the hot salt storage tank system, all need to adopt industrial Electric heat tracing maintains pipe wall temperature. The above-mentioned system control signals are all connected to the DCS system, and the DCS system controls the operation of the equipment in each system.
[0056] figure 1 Among them, the belt conveyor system 1 transports the solid molten salt medium to the salt tank 2 in proportion; the salt tank system...
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The invention discloses control equipment and method for improving fused salt melting efficiency of a photo-thermal power station, and belongs to the technical field of solar fused salt tower type photo-thermal power generation. The control equipment comprises a belt conveying system, a salt melting tank system, a natural gas heating furnace system, a cold salt storage tank system, a heat absorption system and a hot salt storage tank system; the salt melting tank system is respectively connected with the belt conveying system, the natural gas heating furnace system and the hot salt storage tank system; the natural gas heating furnace system is also connected with the cold salt storage tank system; and the heat absorption system is in pipeline connection with the cold salt storage tank system and the hot salt storage tank system. According to the technical scheme, the use amount of natural gas in a fused salt project of a large photo-thermal power station is reduced, the debugging period of salt melting is shortened, the salt melting cost is reduced, meanwhile, solar energy is fully utilized, and environmental benefits are improved.
Description
technical field [0001] The invention belongs to the technical field of solar molten salt tower-type photothermal power generation, and specifically designs a control device and method for improving the efficiency of melting salt in a photothermal power station. Background technique [0002] In the solar thermal molten salt project, it is necessary to convert a large amount of solid molten salt into liquid molten salt. The molten salt is converted into liquid molten salt, and the liquid molten salt is transported to the natural gas heating furnace system through the salt pump to heat up, and the newly added solid molten salt is converted into liquid molten salt by using the heated high-temperature molten salt, and the mixed molten salt is again Enter the natural gas heating furnace system to raise the temperature, and at the same time, part of the heated molten salt is transported to the cold salt storage tank to ensure the liquid level of the salt tank. The natural gas heat...
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IPC IPC(8): F24S60/30
CPCF24S60/30Y02E10/40
Inventor 赫庆通姚立波刘志龙菅广志刘洋
Owner 北京能脉科技有限公司