Controllable oxygen thermal decomposing furnace for solid waste

The utility model relates to a controllable oxygen heat decomposing furnace of solid wastes, which belongs to an environmental protection device. The utility model aims at the problems of less heat decomposing gas generated by the existing heat decomposing furnace, hidden danger for use, and large quantity of waste slag so as to provide that the air quantity entering the heat decomposing furnace is rigidly controlled, the wastes are decomposed through heat power and oxygen control and smouldering, and an ignition passage and a clock cover type water sealing safety valve are specially arranged. The utility model uses the method of separation and discharge of solid and liquid slag, and has the advantages of increase of heat decomposing gas yield, safe operation and low energy consumption, and the slag quantity of solid wastes can be reduced to 3 percent. The utility model is widely used for thermal decomposing treatment of solid wastes and particular medical wastes.