瞬时弹射式蒸汽爆破处理生物质的能量模型及能耗理论分析

任天宝; 高卫锴; 苏同福; 于正道; 袁杭州; 徐桂转; 宋安东; 张百良

doi:10.11858/gywlxb.20200532

瞬时弹射式蒸汽爆破处理生物质的能量模型及能耗理论分析

doi: 10.11858/gywlxb.20200532

任天宝^{1, 2,},
高卫锴³,
苏同福¹,
于正道⁴,
袁杭州¹,
徐桂转^1,*, ,,
宋安东^1,*, ,,
张百良¹

1.
河南农业大学，河南省生物炭工程技术研究中心，河南郑州　450002
2.
河南省破壁生物技术研究院，河南郑州　450002
3.
广东中烟工业有限责任公司，广东广州　510032
4.
清华苏州环境创新研究院，江苏苏州　215011

基金项目: 国家自然科学基金（21406055）；河南省青年骨干教师资助项目（2020GGJS047）；河南省高层次人才特殊支持项目（204200510018）

详细信息

作者简介:
任天宝（1981－），男，博士，副教授，主要从事生物质资源转化技术研究. E-mail：tianbao1016@126.com

通讯作者:
徐桂转（1972－），女，博士，教授，主要从事生物质能源转换及利用技术研究. E-mail：xuguizhuan@126.com

宋安东（1972－），男，博士，教授，主要从事农业生物质转化和生物能源技术研究. E-mail：song1666@126.com

中图分类号: O521.9; S216.2
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出版历程
- 收稿日期: 2020-03-30
- 修回日期: 2020-07-05
- 刊出日期: 2020-09-25

Energy Model and Energy Consumption Analysis of Biomass Pretreatment by Instant Catapult Steam Explosion

REN Tianbao^{1, 2
,},
GAO Weikai³,
SU Tongfu¹,
YU Zhengdao⁴,
YUAN Hangzhou¹,
XU Guizhuan^{1,*
, ,},
SONG Andong^{1,*
, ,},
ZHANG Bailiang¹

1.
Henan Agricultural University，Henan Engineering Research Center for Biochar, Zhengzhou 450002, Henan, China
2.
Henan Broken Wall Biotechnology Research Institute, Zhengzhou 450002, Henan, China
3.
Guangdong Zhongyan Industry Co., Ltd., Guangzhou 510032, Guangdong, China
4.
Tsinghua Suzhou Environmental Innovation Institute, Suzhou 215011, Jiangsu,China

摘要

摘要: 在生物质资源化利用领域，蒸汽爆破技术是打破生物质抗降解屏障、实现生物炼制的关键技术途径，具有清洁、短时和高效的显著特点。针对生物质蒸汽爆破过程中能量消耗和能量平衡问题，基于传热学基本原理，对生物质蒸汽爆破过程中的能量组成和转化进行了分析，建立了生物质蒸汽爆破能耗模型，阐明了蒸汽爆破过程中蒸汽热能转换机械功，并利用能量模型对影响生物质蒸汽爆破预处理能耗因素进行能耗分析。结果表明：该模型可以较为准确地反映物质蒸汽爆破过程中的热能利用和转化过程，能够定量分析生物质蒸汽爆破过程中物料含水率、蒸汽爆破强度和装料量的能耗变化规律。研究结果为蒸汽爆破技术的生物液体燃料或生物炼制产业化应用提供了理论参考。
- 瞬时弹射式蒸汽爆破 /
- 能量模型 /
- 预处理 /
- 生物质 /
- 能耗分析 /
- 生物炼制
Abstract: In the field of biomass resource utilization, the steam explosion technology serves as the key technology to break the anti-degradation barrier of biomass and realize biorefineries, which is characteristic of clean, short-term and high efficiency. In this paper, the energy composition and transformation in the process of biomass steam explosion was analyzed using the basic principle of heat transfer, and an energy consumption model of biomass steam explosion was established to clarify the mechanical work of steam heat energy conversion and verify the consumption factors affecting the pretreatment enery of biomass steam explosion. It was shown that in the process of biomass steam explosion, the established model can not only accurately reflect the heat energy utilization and transformation process, but also quantitatively analyze the change law of material moisture content, steam explosion intensity and energy consumption of the charging amount. This study provides a theoretical reference for the steam explosion technology’s application into the industrialization of biofuel or biorefineries.
- instant catapult steam explosion /
- energy model /
- pretreatment /
- biomass /
- energy consumption /
- biorefinery

HTML全文

图 1 蒸汽爆破反应器模型（a）和蒸汽爆破腔横截面（b）

Figure 1. Model of steam explosion reactor (a) and cross section of steam explosion chamber (b)

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图 2 不同蒸汽压力对单位物料能耗的影响

Figure 2. Effect of steam pressure on energy consumption

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图 3 不同含水率对能耗的影响

Figure 3. Effect of water content on energy consumption

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图 4 不同物料填装量对蒸汽耗能的影响

Figure 4. Effect of material filling ratio on energy consumption

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图 5 蒸汽保压时间对散热量的影响

Figure 5. Effect of holding time on heat dissipation

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图 6 爆破腔容积对散热的影响

Figure 6. Effect of explosion reactor volume on heat dissipation

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表 1 蒸汽爆破预处理过程中的能量流向组成

Table 1. Energy distribution of steam explosion unit

Energy distribution	Energy/kJ	Proportion/%
Heat dissipation	19.86	0.24
Material internal energy change	4.35	0.05
Water increases internal energy	187.06	2.27
Exhausted steam energy	200.56	2.43
Mechanical work	7836.45	95.01
Total energy	8248.28	100.00

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