Amino thermochemical energy storage reactor of supercritical CO2 solar thermal power generation system

Abstract

The invention discloses an amino thermochemical energy storage reactor of a supercritical CO2 solar thermal power generation system. The amino thermochemical energy storage reactor of the supercritical CO2 solar thermal power generation system comprises an ammonia decomposition heat absorption reactor 3 arranged on a reflection light path of a heliostat field 1 reflecting sunlight; the ammonia decomposition heat absorption reactor 3 and a first heat exchanger 4 are erected on a heat collection tower 2, and the ammonia decomposition heat absorption reactor 3, the first heat exchanger 4 and a normal-temperature pressure storage tank 7 are sequentially connected through a first gas delivery pipe 5 and a first liquid delivery pipe 6. A normal-temperature pressure storage tank 7, a second heatexchanger 10 and a synthetic ammonia heat release reactor 11 are sequentially connected through a second gas delivery pipe 8 and a second liquid delivery pipe 9; a heat exchange circulation device which takes supercritical CO2 as a working medium is arranged between the synthetic ammonia heat release reactor 11 and a power plant 12.

Description

technical field [0001] The invention relates to a thermochemical energy storage reactor. Background technique [0002] At present, solar thermal power stations in the world mainly use sensible heat energy storage systems, which have problems such as low energy storage density, high cost, low-temperature solidification, high-temperature decomposition, and corrosion. Thermochemical energy storage performs endothermic and exothermic cycle processes through reversible thermochemical reactions, with high energy density, less energy loss and low storage temperature. Ammonia-based thermochemical energy storage systems (Ammonia Thermochemical Energy Storage Systems) are considered to be one of the most promising systems because they have no side reactions and can be stored at room temperature. Contents of the invention [0003] The invention aims to overcome the disadvantages of low energy density and energy storage efficiency of the traditional sensible heat energy storage syste...

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Problems solved by technology

[0003] The invention aims to overcome the disadvantages of the traditional sensible heat energy storage system, such as low energy density and energy storage efficiency, reducing the strict temperature requirements of the energy storage system, and producing side reactions, etc., and provides a new type of thermochemical energy storage system

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