着重介绍了热电肥联产大型养鸡场沼气工程的技术要点，并以杭州能源环境工程有限公司为例，介绍了热电肥联产工艺模式和水解除砂、生物脱硫等关键技术，以期为我国规模化养鸡场沼气工程的设计和建设提供参考。

The key technologies of biogas project of large-scale chicken farm with combined heat, power and fertilizer were emphatically summarized. Taking Hangzhou Energy & Environmental Engineering Co., Ltd. as an example, the technical mode of combined heat, power and fertilizer, hydrolytic technology for sand removing and biological desulphurization were introduced, with the purpose of providing reference for the design and construction of scaled biogas project of chicken farm.