林木生物质剪切粉碎特性及其机理分析

›› 2012, Vol. 32 ›› Issue (1): 19-24.

• 研究报告 • Previous Articles Next Articles

Cutting Characteristic of Wood Biomass and Its Pulverizing Mechanism Analysis

WENG Xing-xing¹, GAI Guo-sheng^2,3, WU Cheng-bao^2,3, YANG Yu-fen^2,3, HU Xiao-fang¹

1. School of Mechanical & Automobile Engineering,South China University of Technology, Guangzhou 510640, China;2. Department of Materials Science and Engineering,Tsinghua University, Beijing 100084, China;3. Changxing Powder and New Materials Engineering Center Yangzi Dela Research Institute of Tsinghua University in Zhejiang, Changxing 313100, China

Received:2011-05-05 Revised:1900-01-01 Online:2012-02-28 Published:2012-02-28

Abstract

Abstract: To investigate the cutting characteristic and pulverizing mechanism of wood biomass, pulverization of wood biomass with different moisture content at different feed rate has been studied in this paper. The operation parameters such as product size, density, uniformity coefficient, aspect ratio, morphology and specific energy consumption were determined in order to discuss the pulverizing mechanism. The results showed that with the increasing of feed rate from 26.17 kg/h to 49.85 kg/h, the average particle size were also increased from 716.84 μm to 803.73 μm. The aspect ratio and energy consumption were reduced first, then increased later. On the other hand, with the increase of moisture content, it was found that the maximum capacity decreased steadily to 19.57 kg/h while the particle size, aspect ratio and specific energy consumption gradually increased.

Key words: cutting pulverization, wood biomass, pulverizing characteristic, pulverizing mechanism

CLC Number:

TQ35

WENG Xing-xing;GAI Guo-sheng;WU Cheng-bao;YANG Yu-fen;HU Xiao-fang. Cutting Characteristic of Wood Biomass and Its Pulverizing Mechanism Analysis[J]. , 2012, 32(1): 19-24.

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Cutting Characteristic of Wood Biomass and Its Pulverizing Mechanism Analysis

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