沼气用户在使用沼气时，常常会遇到一些故障，如不能及时排除，会影响产气及使用效果，现将几个常见故障及排除方法介绍如下。1.沼气压力表水柱不稳，上升很快，下降突然或压力表压力高，但气很快烧光。产生原因有两种：一是料液过多，气箱容积小；二是加人了发酵阻碍物如农药、电石等。排除方 When users of biogas use biogas, they often encounter some faults. If they can not be eliminated in time, they will affect the gas production and the use effect. The following are some common problems and their solutions. 1. Biogas pressure gauge water column instability, rising quickly, suddenly dropped or pressure gauge pressure, but the gas burned quickly. There are two reasons for the occurrence: First, too much liquid, gas tank volume is small; the second is added to the fermentation inhibitors such as pesticides, calcium carbide and so on. Exclusion side