Thermal conversion products of waste fan blades in different atmospheres

LI Liangyu; XIONG Xiaohe; FENG Jingwu; ZHANG Jingjing; TAN Houzhang; WANG Yibin

doi:10.19666/j.rlfd.202211261

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Thermal conversion products of waste fan blades in different atmospheres

更新时间：2025-09-28

- Thermal conversion products of waste fan blades in different atmospheres
- Thermal Power Generation Vol. 52, Issue 3, Pages: 94-101(2023)
- 作者机构：
  
  西安交通大学热流科学与工程教育部重点实验室
- 作者简介：
- 基金信息：
- DOI：10.19666/j.rlfd.202211261
  CLC： X70
- Published：2023
- 稿件说明：
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LI Liangyu, XIONG Xiaohe, FENG Jingwu, et al. Thermal conversion products of waste fan blades in different atmospheres[J]. Thermal power generation, 2023, 52(3): 94-101.
DOI：

LI Liangyu, XIONG Xiaohe, FENG Jingwu, et al. Thermal conversion products of waste fan blades in different atmospheres[J]. Thermal power generation, 2023, 52(3): 94-101. DOI： 10.19666/j.rlfd.202211261.

摘要

随着风电行业高速发展，我国淘汰废弃风机叶片量逐年增加，带来巨大的环保压力。对此，开展了不同温度中气氛对废弃风机叶片热转化过程中气、液、固产物生成特性影响研究，为今后热回收法处置风机叶片提供参考。结果表明：在N_2和CO_2气氛中，可燃气CH_4产量800℃下达到最高，而可燃气CO产量随温度上升而升高；各气氛中焦油成分主要为对异丙烯基苯酚、对异丙基苯酚和双酚A3种。实验中也发现气氛中CO_2的存在有效阻碍了高温时焦油中多环芳烃（PAHs）的生成，有利于焦油的后续处理。实验中还发现在低温（400℃）时Air和CO_2气氛下焦炭产率相比于N_2气氛较高，而在更高温度（600℃及以上）中结果相反，可能是由于低温下不同气氛中的焦炭芳香化程度不同引起。

Abstract

With the rapid development of wind power industry

the number of wasted wind turbine blades increased significantly year by year

which brings great environment pressure. Against this problem

the influence of atmosphere on the generation characteristics of gas

liquid and solid products of wasted wind turbine blades during thermal treatment at different temperatures was studied

to provide reference for thermal recovery strategies. The results showed that

in N_2 and CO_2 atmospheres

the production of combustible CH_4 reached the highest at 800 ℃

that of CO increased with temperature. Tar products in each atmosphere mainly consisted of p-isopropenyl phenol

p-isopropyl phenol and bisphenol A. Moreover

it was found in the experiment that

at high temperature

CO_2 in the atmosphere effectively prevented the formation of polycyclic aromatic hydrocarbons(PAHs) in tar

which is helpful to subsequent treatment of tar. It is also found that

the coke yield in air and CO_2 atmosphere was higher than that in N_2 atmosphere

however

at higher temperatures(600 ℃ and above)

the results were opposite. This may be due to different carbonization levels in different atmospheres at low temperatures.

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