阻燃重组竹燃烧中的烟气毒性特征及抑烟性能

杜春贵; 周中玺; 余辉龙; 黄秋丽; 姚潇翎; 金春德

doi:10.3969/j.issn.1000-2006.2017.02.024

杜春贵,周中玺,余辉龙,黄秋丽,姚潇翎,金春德

南京林业大学学报（自然科学版） ›› 2017, Vol. 41 ›› Issue (02) : 163-168.

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南京林业大学学报（自然科学版） ›› 2017, Vol. 41 ›› Issue (02) : 163-168. DOI: 10.3969/j.issn.1000-2006.2017.02.024

研究论文

阻燃重组竹燃烧中的烟气毒性特征及抑烟性能

杜春贵,周中玺,余辉龙,黄秋丽,姚潇翎,金春德

作者信息 +

Smoke-inhibiting properties and smoke characteristics of fire-retardant bamboo scrimber in burning

DU Chungui, ZHOU Zhongxi,YU Huilong, HUANG Qiuli, YAO Xiaoling, JIN Chunde

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文章历史 +

摘要

【目的】了解阻燃重组竹在燃烧时产生的烟雾情况和抑烟性能,为减少建筑火灾发生时的人员伤亡和财产损失提供参考。【方法】以竹束、复配阻燃剂等为原料制备了阻燃重组竹,采用锥形量热仪研究了其燃烧中的烟气特征、毒性情况及抑烟性能。【结果】与非阻燃重组竹相比,阻燃重组竹总烟释放量(TSR)的峰值降低了30.5%,比消光面积(SEA)的峰值降低了40.5%,烟释放速率(RSR)的峰值降低了27.8%,一氧化碳(CO)质量分数的峰值降低了74.7%,CO产率的均值降低了68.8%,二氧化碳(CO₂)质量分数的峰值降低了21.4%,CO₂产率的均值降低了35.1%。【结论】阻燃重组竹在燃烧中的产烟量和烟气毒性都明显低于非阻燃重组竹,复配阻燃剂具有显著的抑烟和降毒作用。

Abstract

【Objective】 In this study, we attempted to investigate the smoke production and fire-retarding properties of fire-retardant bamboo scrimber, in order to reduce casualties and property loss during building fires. 【Method】The fire-retardant bamboo scrimber was prepared from the raw materials of bamboo bundles and fire-retardant compounds. The smoke-inhibiting properties, toxicity and smoke characteristics of fire-retardant bamboo scrimber upon burning were tested using a cone calorimeter. 【Results】 The fire-retardant bamboo scrimber was compared with the non-fire-retardant bamboo scrimber. The peak value of the total smoke release(TSR)was reduced by 30.5%, the peak value of the specific extinction area(SEA)was reduced by 40.5%, the peak value of the rate of the smoke release(RSR)was reduced by 27.8%, the peak value of the CO mass fraction was reduced by 74.7%, the average value of the CO yield was reduced by 68.8%, the peak value of the CO₂ mass fraction was reduced by 21.4%, and the average value of the CO₂ yield was reduced by 35.1%. 【Conclusion】 The smoke toxicity and smoke production of the fire-retardant bamboo scrimber were significantly lower than those of the non-fire-retardant bamboo scrimber. Therefore, the mixed fire retardant demonstrated remarkable smoke inhibition properties and toxicity attenuation.

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杜春贵,周中玺,余辉龙,黄秋丽,姚潇翎,金春德. 阻燃重组竹燃烧中的烟气毒性特征及抑烟性能[J]. 南京林业大学学报（自然科学版）. 2017, 41(02): 163-168 https://doi.org/10.3969/j.issn.1000-2006.2017.02.024

DU Chungui, ZHOU Zhongxi,YU Huilong, HUANG Qiuli, YAO Xiaoling, JIN Chunde. Smoke-inhibiting properties and smoke characteristics of fire-retardant bamboo scrimber in burning[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2017, 41(02): 163-168 https://doi.org/10.3969/j.issn.1000-2006.2017.02.024

中图分类号： TS653 S785

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基金

收稿日期:2016-01-11 修回日期:2016-12-18
基金项目:浙江省自然科学基金重点项目(LZ17C160001); 浙江省自然科学基金一般项目(LY12C16005)
第一作者:杜春贵(chunguidu@163.com),教授,博士。
引文格式:杜春贵,周中玺,余辉龙,等. 阻燃重组竹燃烧中的烟气毒性特征及抑烟性能[J]. 南京林业大学学报(自然科学版),2017,41(2):163-168.