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Biomass supercritical water gasification hydrogen production system and method thermally driven by focusing solar energy

A supercritical water gasification, solar thermal technology, applied in chemical instruments and methods, hydrogen production, hydrogen, etc., to achieve the effects of enhanced stability, simplified system, and increased heat flux density

Active Publication Date: 2009-12-09
陕西中核交大超洁能源技术有限公司
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Problems solved by technology

After checking the literature, there is no relevant report on the hydrogen production system and method coupled with solar heating and biomass supercritical water gasification

Method used

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  • Biomass supercritical water gasification hydrogen production system and method thermally driven by focusing solar energy
  • Biomass supercritical water gasification hydrogen production system and method thermally driven by focusing solar energy
  • Biomass supercritical water gasification hydrogen production system and method thermally driven by focusing solar energy

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Embodiment

[0044] Table 1 shows the experimental results of continuous gasification of glucose solution for hydrogen production using solar energy heating

[0045] Table 2 shows the experimental results of continuous gasification of cornstarch solution for hydrogen production using solar energy heating

[0046] In the table: gasification rate = mass of gas product / mass of biomass participating in the reaction × 100%

[0047] Carbon gasification rate = carbon element mass of gasification product / mass carbon element of biomass participating in the reaction × 100%

[0048] Table 1 shows the experimental results of hydrogen production by continuous gasification of glucose solution using solar energy. The experimental conditions are: the average direct solar radiation intensity in Xi'an on that day is 710w / m 2 , the focal area of ​​the heliostat is 16m 2 , the pressure is 24Mpa, the biomass model compound is a glucose solution with a concentration of 0.2mol / L, and continuous gas collecti...

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Abstract

The invention discloses a biomass supercritical water gasification hydrogen production system and method thermally driven by focusing solar energy; wherein the system mainly comprises a concentrating system composed of a spinning-pitching tread heliostat and a conical surface solar secondary condenser, a solar cavity absorption reactor internally provided with a coiler flow reactor, a biomass and water transmission system, a product collection and analysis system and a systemic parameter acquisition system. Biomass and supercritical water absorb and focus solar radiation and carry out gasification hydrogen production reaction in the coil flow reactor. Compared with the plate type coupling hydrogen production system, the invention has the characteristics of simplified system, low cost, strong stability and favoured industrial amplification. The solar hydrogen production method provided by the invention utilizes solar heat supply to transform low-class biomass into high quality hydrogen energy through supercritical water gasification hydrogen production, the whole process is environmental-friendly without pollution, and renewable energy source is fully utilized, thus being beneficial to large-scale promotion and application of solar hydrogen production.

Description

technical field [0001] The invention belongs to the field of solar energy utilization technology and the clean transformation and utilization of biomass and organic waste, and in particular relates to a biomass supercritical water gasification hydrogen production system and method driven by focused solar heat. Background technique [0002] Today's fossil energy supply situation is increasingly serious, and the use of fossil energy forces the ecological environment to continue to deteriorate. The development and utilization of renewable energy has become the only way for my country to achieve sustainable energy development. Solar energy resources are clean, pollution-free and have huge reserves, but they are characterized by dispersion, instability and discontinuity. Converting solar energy into chemical energy can solve the problems of solar energy storage, transportation, and time and space constraints. [0003] As a clean energy, hydrogen energy is considered to be the mo...

Claims

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Application Information

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IPC IPC(8): C01B3/04C01B3/32
CPCY02E60/364Y02E60/36Y02P20/133Y02P20/54
Inventor 郭烈锦陈敬炜张西民吕友军肖鹏
Owner 陕西中核交大超洁能源技术有限公司
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