Rotary oxygen production system and method based on fused salt phase change heat storage oxygen carrier

Abstract

The invention discloses a rotary oxygen production system and method based on a fused salt phase change heat storage oxygen carrier. The rotary oxygen production system comprises a Fresnel lens fieldand a plurality of waste heat recovery devices. The waste heat recovery devices are connected with a reactor for oxygen uptake reaction in a reactor system; a reactor inlet for oxygen release reactionin the reactor system is connected with an outlet of a second telescopic pipe; the outlet is connected with an inlet of a first telescopic pipe; an inlet of the second telescopic pipe is connected with a first fan and a steam outlet of an evaporator; a heat source outlet of the evaporator is connected with an inlet of a condenser; a heat source inlet of the evaporator is connected with an outletof the first telescopic pipe; the reactor system is connected with a rotating system; and the Fresnel lens field focuses sunlight on the reactor, used for releasing reaction, of the reactor system. Fused salt is used as a heat storage material to replace an existing sensible heat storage material, so that the heat storage density is high, and the defects that a heat storage system is complex and inconvenient to control are overcome; and solar photo-thermal is used as an energy source to realize chemical-looping continuous oxygen production, so that the purpose of continuous oxygen production with lower energy consumption is achieved.

Description

technical field [0001] The invention belongs to the technical field of chemical chain oxygen production using phase-change heat storage materials for solar energy storage, and specifically relates to a rotary oxygen production system and method based on molten salt phase-change heat storage oxygen carriers. The storage of solar heat is used to maintain the heat required for the chemical chain oxygen production process. Background technique [0002] The energy issue has always been a hot topic in the international community. In order to alleviate the current situation of global energy shortage, it is of great significance to vigorously develop renewable energy sources such as solar energy, develop new fields of solar energy applications, and explore new technologies for solar energy applications to alleviate the energy crisis and achieve sustainable energy development. Using solar energy instead of traditional energy for chemical chain oxygen generation technology is one of ...

AI Technical Summary

Problems solved by technology

[0006] Aiming at the problems of complex equipment in the chemical chain oxygen production system using traditional oxygen carriers and high energy consumption in the chemical chain oxygen production process using electric furnaces or industrial furnaces, the present invention proposes a phase change material inside and oxygen carrier particles impregnated outside. A spherical shell-type oxygen carrier, and a system and method for continuous chemical chain oxygen production using solar light and heat as an energy source. Firstly, a spherical shell-type carrier with molten salt inside the metal spherical shell and a certain amount of oxygen carrier particles impregnated outside is prepared. Oxygen, and then design a new chemical chain continuous oxygen release system suitable for spherical shell oxygen carrier, and coupled with solar heat storage technology, to achieve the purpose of continuous oxygen production with lower energy consumption, and replace the complex traditional chemical chain system oxygen system

Images