A concentrated solar gasification biomass system for synthesis gas preparation and metal smelting
A concentrating solar energy and metal smelting technology, which is applied in the direction of gasification process, granular/powdered fuel gasification, energy input, etc., can solve the problems of affecting use, singleness, etc., achieve high solar energy utilization rate, simple operation process, and realize Clean refining effect
Active Publication Date: 2020-02-21
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology
[0007] Conventional concentrated solar-powered biomass gasification technology, using steam or CO 2 Biomass gasification as an oxidant can only produce a single syngas product, and the syngas contains some tar, which affects subsequent use
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[0034] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0035] Such as figure 1 As shown, the concentrated solar gasification biomass system for syngas preparation and metal smelting provided by the embodiment of the present invention includes a batching device, a high temperature solar fluidized bed gasification reactor, a splash condenser and a solar concentrated heat collection device; wherein, the batching device includes a biomass batching unit...
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Abstract
The invention belongs to the technical field of complementation utilization of various renewable energy sources, and discloses a concentrated solar gasification biomass system for synthesis gas preparation and metal smelting. The system comprises a distribution device, a solar concentrated heating device, a high-temperature solar fluidized bed gasification reactor and a splash condenser, and concentrated solar energy serves as a heat source to drive a biomass to be gasified at high temperature and a metal oxide to be reduced to obtain high-grade synthesis gas and a metal element. The inventionfurther discloses a corresponding method of the system. According to the system, gasification reaction of the biomass and reduction reaction of the metal oxide can be effectively facilitated each other by the aid of high-temperature heat energy generated by a concentrated solar device, so that the high-grade synthesis gas and the high-purity metal element are acquired. The system is compact in structure, simple in operation process, low in device maintenance cost and high in solar utilization rate, the prepared synthesis gas is free from tar and high in grade, and the prepared metal element is high in purity and low in cost.
Description
technical field [0001] The invention belongs to the technical field of complementary utilization of various renewable energy sources, and more specifically relates to a concentrated solar energy gasification biomass system for synthesis gas preparation and metal smelting. Background technique [0002] Under the background of global warming and energy crisis, active development and utilization of renewable energy has become an inevitable choice for China to achieve sustainable energy development. Both solar energy and biomass are widely available renewable resources. However, solar energy has low energy density, strong dispersion, instability and discontinuity. How to rationally utilize and store solar energy at a lower cost is an important issue facing the world. Biomass energy is another renewable energy source and the only renewable carbon source. At present, biomass energy consumption accounts for 14% of the world's total energy consumption, ranking fourth after petrol...
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IPC IPC(8): C10J3/56C10J3/54C10J3/72C10J3/84C10J3/86
CPCC10J3/54C10J3/56C10J3/72C10J3/84C10J3/86C10J2300/0909C10J2300/0916C10J2300/0983C10J2300/1292C10J2300/16C10J2300/1603Y02P20/133
Inventor 曾阔何肖陈汉平杨海平杨心怡宋杨刘年丁智刘晴川
Owner HUAZHONG UNIV OF SCI & TECH