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An open-source biomass pyrolysis reactor

机译：开源生物质热解反应器

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Despite its long history of technological development, much charcoal production still relies on polluting and inefficient technologies utilizing traditional kiln designs. In addition to the need for improved charcoal production systems, the growing interest globally in pyrolysis of biomass to generate biochar as a soil fertility improver and for climate change mitigation may drive an increasing demand for such technologies. Accordingly, there is a clear need in developing countries for access to safe, affordable, and efficient open-source designs and technology that can be fabricated locally. The design described here includes computational fluid dynamics modeling which demonstrated that the design exhibits a stable flow and combustion pattern. A hazard and operability (HAZOP) study, mass and energy modeling, and costing of all components and fabrication were also conducted for a prototype kiln that will accept up to 250 kg biomass h(-1). Fabrication and installation costs were estimated using actual commercial quotations based on detailed engineering drawings and design, and were found to be $580 000 for a 250 kg h(-1) unit. We therefore find that this pyrolysis system promises to be economical on a small scale. It can utilize waste lignocellulosic materials for feedstock, thus alleviating demand pressure on woodlands to provide feedstocks. It was, therefore, concluded that the pyrolysis unit described here promises to provide an affordable and efficient open-source design that can be fabricated locally in developing countries without licensing restrictions or royalties. (c) 2017 The Authors Biofuels, Bioproducts and Biorefining published by Society of Industrial Chemistry and John Wiley & Sons Ltd
机译：尽管技术发展历史悠久，但大量木炭产量仍然依赖于传统窑设计的污染和低效技术。除了需要改进的木炭生产系统之外，在生物质的热解中越来越多的兴趣，以产生生物炭作为土壤肥力改进和气候变化缓解可能导致对这些技术的不断增加的需求。因此，在发展中国家可以获得可用于访问可以在本地制造的安全性，价格实惠和高效的开源设计和技术的明确需求。这里描述的设计包括计算流体动力学建模，其证明了设计表现出稳定的流动和燃烧模式。还对窑的危险和可操作性（HAZOP）研究，质量和能量建模以及所有组件和制造的成本用于接受高达250千克生物量H（-1）的原型窑。使用基于详细的工程图形和设计的实际商业报价估计制造和安装成本，并被发现为250千克（-1）单位为580 000美元。因此，我们发现这种热解系统有望在小规模上经济。它可以利用废木质纤维素材料进行原料，从而减轻了对林地的需求压力以提供原料。因此，结论是，这里描述的热解单元有望提供经济实惠且有效的开源设计，可以在没有许可限制或版税的发展中国家本地制造。 （c）2017作者由工业化学和约翰瓦里和儿子有限公司发表的生物燃料，生物燃料，生物化学素和生物融合

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