Supercritical water gasification hydrogen production and heat absorption reactor for multi-disk solar heat-collecting coupling biomass

Abstract

The invention discloses a supercritical water gasification hydrogen production and heat absorption reactor for a multi-disk solar heat-collecting coupling biomass, which comprises a cavity type solar absorption reactor, a first cooler and a second cooler, wherein the cavity type solar absorption reactor comprises an endothermic reaction cavity and a pre-heated water heating cavity, inner cavity walls of the endothermic reaction cavity and the pre-heated water heating cavity are provided with insulating layers, an opening at the upper end of the endothermic reaction cavity is sealed by silica glass, a pipe flow reactor is arranged in the endothermic reaction cavity, and the bottom of the endothermic reaction cavity is provided with a material preheater; the pre-heated water heating cavity is internally provided with a pre-heated water heater, a crawler-type electric heater is used for heating, and a heat storage medium is filled in the pre-heated water heating cavity; and a screw shelltype high-pressure heat exchanger is wound outside the pre-heated water heating cavity. The supercritical water gasification hydrogen production and heat absorption reactor has the advantages of small temperature fluctuation in the solar absorption cavity, high biomass supercritical water gasification rate, high energy comprehensive utilization efficiency and the like, and is beneficial to the realization of efficient, low-cost and massive hydrogen production through supercritical water gasification of focused solar heat coupling biomass.

Description

technical field [0001] The invention belongs to the technical field of solar thermal utilization and renewable clean transformation and utilization of biomass and organic waste, and relates to a biomass supercritical water gasification hydrogen production technology, in particular to a multi-disk solar heat concentrating coupling biomass supercritical Water gasification hydrogen production endothermic reactor. Background technique [0002] With the increasing demand of human beings for energy, the depletion of traditional fossil energy and the corresponding environmental pollution are becoming more and more serious. The development and utilization of renewable energy such as solar energy and biomass energy are of great significance to the sustainable development of human beings. . Solar energy is inexhaustible and inexhaustible, and it is an ideal clean energy source. However, its low energy density, changing spatial distribution, and intermittent characteristics also put f...

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Problems solved by technology

Patent CN 101597025A shows a tower-type solar thermally driven biomass supercritical water gasification hydrogen production reactor for tire surface heliostats. The preheated water heater and reactor in the reactor are arranged in the solar absorption reaction In the cavity, the entrance of the cavity is completely open to communicate with the atmosphere, and there is a problem of large temperature fluctuations

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