专利汇可以提供Bacteriological digesters for conversion of organic waste专利检索,专利查询,专利分析的服务。并且In the downward passage of refuse in countercurrent to air through a plurality of composting stages with water-spraying in each stage, the temperature and carbon dioxide content of the effluent gas is continuously measured and automatically controlled by sensing means and connected valves which are capable of effecting variation in the rate of air and water flow. The water may be in the form of ammoniacal liquor or sewage sludge. Refuse may pass through five successive circular chambers (3) in a tower (1) from an inlet (6) to an outlet (7) via offset openings (8), partly composted refuse being recycled from the third to the first chamber via a worm conveyer (24). Water is sprayed into the chambers from pipes (9) connected to a manifold pipe (10) controlled by a valve (11). Air is passed successively into each chamber via an annular passage (17), the interior of a hollow rotary arm (5) connected to a shaft (4), and orifices (18), the air being supplied to the lowest chamber through a pipe (15) and valve (14). The valves are connected to sensing devices (20 and 21), for respective measurement and control of temperature and carbon dioxide content, which are situated in a gas outlet (19). The whole apparatus may be enclosed in a heat-insulating sheath having outlet openings for gas at its lower end.,下面是Bacteriological digesters for conversion of organic waste专利的具体信息内容。
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