Solar heat storage and release system

Abstract

The invention discloses a solar heat storage and release system which comprises a solar air heater, a material heat absorption and decomposition device, an exothermic reaction device and a first storage tank, wherein the solar air heater is communicated with an air inlet of the material heat absorption and decomposition device through an air outlet channel, and a centrifugal fan is arranged on the air outlet channel; an exhaust port is formed in the material heat absorption and decomposition device; a first discharging port of the material heat absorption and decomposition device is communicated with a first material feeding inlet of the exothermic reaction device through a first pipeline, and a control valve is arranged on the first pipeline; a third discharging port of the exothermic reaction device is communicated with the first storage tank through a second pipeline; a material conveyor is arranged between the control valve and the third discharging port; the first storage tank is communicated with a feeding inlet of the material heat absorption and decomposition device through a third pipeline, the feeding inlet is formed in a material distributor, material distribution pipes of the material distributor are fed into the material heat absorption and decomposition device, and a water pump is arranged on the third pipeline; and a first heat exchanger is arranged in the exothermic reaction device and communicated with a fourth pipeline used for feeding a second material.

Description

technical field [0001] The invention belongs to the technical field of solar energy storage and storage, and relates to medium and high temperature solar heat storage and storage, in particular to a solar energy storage and release system. Background technique [0002] As a new energy source, solar energy is affected by regular changes in geography, day and night, and seasons, as well as random factors such as cloudy, cloudy, and rainy, and has defects such as low energy density, intermittent, periodic, and large fluctuations, which are difficult to meet Industrialized large-scale continuous and stable energy supply requirements. In order to make solar energy a continuous and stable energy source, it is necessary to solve the problem of energy storage, that is, to store solar energy in sunny days for use at night or in rainy days. [0003] At present, there are three main methods of solar medium and high temperature energy storage: sensible heat, phase change energy storage...

AI Technical Summary

Problems solved by technology

However, the thermochemical energy storage reaction system needs to meet many conditions, such as good reaction reversibility, rapid reaction and small side reactions, stable storage of products, and low price. Matching and other problems limit the application of solar thermal chemical energy storage

At present, high-temperature solar thermochemical energy has problems such as low utilization rate, high requirements for reaction devices, and expensive concentrating systems.

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