Nanometer molten salt phase-change energy storage solar furnace

A phase change energy storage and solar furnace technology, applied in solar thermal devices, solar thermal energy, solar ray concentration, etc., can solve the problems of immaturity, short service life and complex structure of heat pipe solar cookers, and achieve large latent heat of phase change. , the effect of low corrosion and high heat collection temperature
CN103471256AInactive Publication Date: 2013-12-25GUANGDONG UNIV OF TECH
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Patent Information

Authority / Receiving Office
CN ยท China
Patent Type
Applications(China)
Current Assignee / Owner
GUANGDONG UNIV OF TECH
Publication Date
2013-12-25
Estimated Expiration
Not applicable ยท inactive patent

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Abstract

The invention discloses a nanometer molten salt phase-change energy storage solar furnace which comprises a Fresnel condenser, a phase-change energy storage heat exchanger, a longitude and latitude double-shaft tracker, stay rods, a V-shaped balance support and a bottom bracket. The phase-change energy storage heat exchanger with heat absorption, heat release and heat storage functions is mounted at a condensation focus of the Fresnel condenser, nanometer molten salt composite phase-change energy storage materials are arranged in the phase-change energy storage heat exchanger, a heat absorption cavity and a heat release furnace end are arranged on the phase-change energy storage heat exchanger, and a heat-insulation layer wraps the outside of the phase-change energy storage heat exchanger. Heat utilization requirements such as water heating, cooking and barbecue for general family life can be met by the solar furnace. Compared with the traditional direct condensation type solar furnace, the nanometer molten salt phase-change energy storage solar furnace has the advantages that the heat collecting temperature is high, outdoor operation is omitted, the nanometer molten salt phase-change energy storage solar furnace can continue being used at night without the sun, and the like.
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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...

Claims

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