Fused salt type solar thermal power generation device with steam backflow function

Abstract

The invention relates to the field of solar energy, and in particular relates to a fused salt type solar thermal power generation device with a steam backflow function. The device comprises a base, a heat collection plate, a sealing plate, a long shell, a mounting support plate and the like; the top of the base is connected with a heat collection plate, the heat collection plate is connected with the sealing plate, the top of the sealing plate is connected with the long shell, the long shell is fixedly connected with the base, and the heat collection plate is symmetrically connected with the mounting support plate. Water vapor generated by evaporation of the fused salt in the space formed by the heat collection plate and the sealing plate can be pumped into a backflow frame, and when a certain amount of water vapor is stored in the backflow frame, the water vapor can flow back into the space formed by the heat collection plate and the sealing plate, so that heat energy in the fused salt can be fully utilized, the utilization rate of the heat energy in the fused salt is increased, and the effect of automatically enabling the water vapor generated by the evaporation of the fused salt to flow back is achieved.

Description

technical field [0001] The invention relates to the field of solar energy, in particular to a molten-salt solar thermal power generation device with a function of steam reflux. Background technique [0002] Solar thermal power generation is a power generation method that converts solar radiation energy into electrical energy through water or other working fluids and devices. Solar thermal power generation usually converts solar energy into thermal energy first, and then converts thermal energy into electrical energy. The heat transfer process of solar thermal power generation system The main substances are water, water vapor and molten salt, etc. These heat transfer working fluids can be heated to 450°C in the receiver and used for power generation. In addition, the heat storage system of this power generation method can temporarily store heat energy for backup power. Needed at peak times. [0003] When using molten salt for solar thermal power generation, the heat of sunli...

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Problems solved by technology

[0004] Based on this, it is necessary to address the above problems and propose a molten salt solar thermal power generation device with a steam return function that can automatically return the water vapor generated by the evaporation of molten salt and can fully and efficiently use solar heat to generate electricity. The prior art proposed in the above-mentioned background technology does not have the function of returning the water vapor generated by the evaporation of molten salt, and the utilization rate of solar heat is not high.

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