“沼气池是一锤子买卖,不好用。”阎承赃上任不久,就听到许多群众这样议论。原因在哪里?他通过细致的调查发现三合土沼气池质量差,结构不合理。再加上建池一轰而起,忽视了质量。他决心从改进沼气池型结构,方便农户管理入手,在自家小院里修建了一个8米~3混凝土沼气池,亲自加料和出料,获得了大量第一手资料,找出沼气池在使用过程中存在的问题。通过不断改进和反复实践,研制出“斜坡式四结合沼气池”此项技术具有国内先进水平。一九八二年他决定兴办农村能源服务体 “Digester is a one-shot deal, not easy to use.” Yan Cheng stolen soon took office, I heard many people so talk. The reason? He through careful investigation found that triple sand digesters poor quality, structure is irrational. Coupled with the pool built up, ignoring the quality. He is determined to improve the structure of biogas digesters, to facilitate the management of farmers started in their own small courtyard built an 8 meters to 3 concrete digesters, personally feeding and discharging, access to a large number of first-hand information to find the digester in use Problems in the process. Through continuous improvement and repeated practice, developed a “slope of the four combined biogas digesters,” the technology has advanced domestic level. In 1982, he decided to set up a rural energy service body