我国农村常用的家用沼气池池形一般为圆形、方形和长方形。实践证明以圆形池最好,目前修建也最多。修建沼气池要做到设计合理,构造简单,施工方便,坚固耐用,造价低廉。有些地方由于缺乏经验,或对于建池质量注意不够,以致池子建成后漏气、漏水,不能正常使用而成为“病态池”;有 Commonly used household digesters in rural areas pool shape is generally round, square and rectangular. Practice has proved that the best circular pool, the current construction is also up. Digester to be constructed to achieve reasonable design, simple structure, convenient construction, durable, low cost. In some places, due to lack of experience or insufficient attention to the quality of the built-up ponds, the ponds become “sick pool” after they are built with air leaks, water leaks and inability to be used normally.