Suspended particle-system solar thermochemical reactor having function of preventing particle from blocking and adhering to optical window

Abstract

The invention discloses a suspended particle-system solar thermochemical reactor having a function of preventing particles from blocking and adhering to an optical window, belongs to the technical field of solar thermochemical conversion, and is used for solving the problems that metal oxide particles of a conventional suspended particle-system solar thermochemical reactor are leaked, block a gas inlet and a gas outlet, and adhere to an optical window. A shell of the reactor and a shell of a thermal collector are arranged from bottom to top, the optical window is arranged on the shell of the thermal collector in a covering mode, the shell of the reactor is internally provided with a thermal-insulation heat-preservation layer, the upper end of the thermal-insulation heat-preservation layer is provided with a through hole, the through hole communicates a thermal collecting chamber and a reaction chamber, and metal oxide particles are filled in the reaction chamber; one end of each gas inlet pipe and one end of each gas outlet pipe are inserted into the reaction chamber, and one end, located in the reaction chamber, of each of the gas inlet pipes and the gas outlet pipes is provided with a gas cap; gas outlet gas cap structures and gas inlet gas cap structures are respectively provided with gas flow outlets and gas flow inlets; window cleaning spray nozzles are inserted into the thermal collecting chamber from the upper end of the side wall of the shell of the thermal collector. The suspended particle-system solar thermochemical reactor is used for solar thermochemical conversion.

Description

technical field [0001] The invention relates to a suspended particle-based solar thermochemical reactor, in particular to a suspended particle-based solar thermochemical reactor with the functions of preventing particle blockage and sticking to an optical window; it belongs to the technical field of solar thermochemical conversion. Background technique [0002] Solar energy is one of the main sources of clean and renewable energy. It is an urgent task in the field of energy technology to develop efficient and low-cost solar energy utilization technology. Solar thermochemical conversion is to use solar energy to provide heat for chemical reactions, store solar energy in the product, and produce hydrogen, CO 2 Capture and other fields have been widely researched and applied. [0003] The thermochemical conversion process of solar energy includes: ① photothermal conversion - the reactor absorbs the sunlight collected by the concentrator and converts it into high-temperature h...

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Problems solved by technology

[0005] In order to solve the problems of metal oxide particle leakage, blockage of air inlet and outlet, and adhesion of optical window in the existing suspended particle system solar thermochem

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