Nanometer molten salt phase-change energy storage solar furnace

Abstract

The invention discloses a nano-molten salt phase-change energy storage solar furnace, which comprises a Fresnel concentrator, a phase-change energy storage heat exchanger, a latitude and longitude dual-axis tracker, a support rod, a V-shaped balance bracket and a bottom bracket; The concentrating focus of the Fresnel concentrator is equipped with a phase change energy storage heat exchanger with the functions of heat absorption, heat release and heat storage. The phase change energy storage heat exchanger is equipped with nano molten salt composite phase change Energy storage material, the phase change energy storage heat exchanger is equipped with a heat absorption cavity and a heat release furnace head, and the phase change energy storage heat exchanger is wrapped with a thermal insulation layer; Compared with the traditional direct concentrating solar cooker, it has the advantages of high heat collection temperature, no need for open-air operation, and continuous use when there is no sun at night.

Description

technical field [0001] The invention belongs to the technical field of solar energy development and utilization, and relates to a nanometer molten salt phase change energy storage solar furnace. Background technique [0002] Solar cookers are one of the solar heat utilization products, especially in the rural areas of Northwest my country. Solar cookers have broad application prospects in rural areas because they do not consume conventional energy and biomass energy. Solar cooker is another hot spot technology of solar energy after the popularization of solar water heater. Adopting scientific optimization design, developing a heat-collecting solar cooker with low cost, small size, high thermal efficiency and long service life has broad application prospects. [0003] Solar cookers are mainly divided into direct and indirect solar cookers. There are two types of direct-type solar cookers that have been successfully commercialized: box-type solar cookers and concentrating s...

AI Technical Summary

Problems solved by technology

Generally speaking, although the direct solar cooker is low in cost and simple in structure, it cannot avoid the suffering of exposure to the sun, and users are unwilling to use it if conditions permit; the indirect solar cooker can be easily operated indoors, but the cost is high , the structure is complex, especially it needs to be equipped with high temperature heat drive, and the heat pipe type solar cooker is immature and has a short service life

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