【摘要】 通过实地走访11家大中型沼气工程，对山东省临沂市沼气工程运营状况、效益分析、“三沼”（沼气、沼液、沼渣）开发及市场应用情况进行调查，系统梳理临沂市沼气工程的建设规模、区域分布、技术应用及运营模式，明确其在农村能源转型和农业废弃物资源化利用中的作用，分析沼气工程推广中面临的技术瓶颈、资金短缺、管理缺失和农户参与度低等问题，提出适度规模化经营、鼓励支持绿色种养循环、融合高标准农田建设、强化政策支撑、加强金融赋能及完善社会化服务体系等对策建议。更多还原

【Abstract】 Through field visits to 11 large and medium-sized biogas projects, operation status, benefit analysis, three biogas projects( biogas, slurry, sludge) development and production, and biogas project market application in Linyi City, Shandong Province were investigated. Construction scale, regional distribution, technological applications, and operation models of biogas project in Linyi City were systematically reviewed.Their role in rural energy transformation and agricultural waste resource utilization was clarified.Core problems faced in biogas projects promotion,such as technical bottlenecks,funding shortages,management deficiencies,and low farmer participation,were analyzed.Countermeasures and suggestions were proposed,such as moderately largescaled operations,encouraging and supporting green breeding circulation,integrating of high-standard farmland construction,strengthening policy support,enhancing financial empowerment,and improving socialized service system.更多还原