城市燃气输配系统中过滤器的改造

Reform of Filters in Transmission and Distribution System of City Gas

从增大过滤面积、增加一级粗过滤等方面对原有反流式过滤器进行改造,改善了过滤效果,减轻了劳动强度,便于操作。

The reform of existing contraflow filters is made in aspects of amplification of filtering area, increase of first-level coarse filtration. The filtration effect is improved, the intensity of labour is reduced, and the operation becomes easy.