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随着国家对农村清洁能源建设的大力推广和投人,与沼气相关的先进配套产品也相继进人广大沼气用户家庭。但就现在市场上销售的沼气热水器从使用的情况来看产品技术尚不成熟,存在很大的安全隐患。沼气热水器的生产目前还没有正式出台国家统一标准,一些生产厂家只是参照《家用燃水热水器的国家标准》进行生产。从产品的结构上看,先期生产的沼气热水器是采用两道阀门来控制沼气气路,一道是水气联动阀,另一道是电磁阀。这两道阀门相当于气路上的双保险,即其中一道安全阀发生故障还有另一道阀
As the state vigorously promotes and invests in the construction of clean energy in rural areas, advanced auxiliary products related to biogas also enter the vast majority of biogas users’ families. But now on the market for the sale of biogas water heaters from the point of view of the use of product technology is not yet mature, there is a big security risk. The production of biogas water heaters has not yet officially promulgated the national uniform standards, some manufacturers just refer to the “national standard for domestic water heaters,” the production. From the product structure point of view, the pre-production of biogas water heater is the use of two valves to control the biogas gas Road, a water-gas linkage valve, and the other is a solenoid valve. These two valves are equivalent to the double insurance on the gas circuit, that is, one of the safety valve fails and the other valve