在简述风电叶片发展历史同时,对叶片制造特点及其相关废弃物来源、后期数量、处理必要性与可行性等进行了详细阐述。随后根据风力发电复合材料叶片废弃物相关特点等,从环境影响、处理费用、处理所得物用途三方面,对物理粉碎法、材料再循环与能量回收结合法、水泥制造法、焚烧热能法四种可能处理方法进行了深入分析;分析得出因废弃物本身及处理后可替代物价值较低,进而致使处理时环境效益或有一定优势,但经济效益不理想。最后根据该类废弃物特点及处理分析结论,并结合我国实际情况,建议后期优先发展水泥制造法,适时适地适当发展焚烧热能法、物理粉碎法。
The development history of the blades for wind turbines was described briefly,while the manufacture characteristics of the composite blades and related sources,later amount,treatment necessity and possibility,and so on were set forth in detail.Then according to related characteristics of the composite blade wastes,four kinds of possible treatment methods,including mechanical material recycling,material recycling/energy recovery by pyrolysis,material recycling by cement manufacturing and energy recovery by incineration,were analyzed from the points of view of environment influence,treatment cost,and treatment products recycling.The conclusions are that the environmental benefit has certain advantage,but the economic benefit is not so good,because the value of waste itself and the probable substitute materials are poor.Finally,according to the waste characteristics,their treatment analysis conclusions and combining the actual circumstance in China,it is suggested that the comprehensive processing techniques such as material recycling by cement manufacturing should be developed preferentially,and both the energy recovery by incineration and the mechanical material recycling should be developed adequately in right place and right time.
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