Roasting Furnace for Producing Industrial Catalyst

A roasting furnace for the production of industrial catalysts, comprising a furnace body, a thermal insulation layer, a heating element, a loading frame and a tray, a high-pressure blower and a circulating fan, characterized in that the furnace body is provided with a ventilation system comprising a fresh air duct system and a circulating air duct system, the fresh air duct system includes a high pressure blower, a fresh air inlet pipe and a loading frame, the fresh air inlet pipe and the loading frame are connected to each other and the fresh air flows into the loading frame through the fresh air inlet pipe, the loading frame is composed of connected horizontal and vertical pipes to form an integral fixed hollow structure, the loading frame is divided into two parts from the middle thereof, forming a front part and a rear part, or a left part and a right part, the horizontal pipes are arranged in layers in the furnace body and the tray loaded with catalyst is placed on the horizontal pipes of the loading frame to form a loading layer, both inner sides and the top side of the furnace body are provided with a circulating air duct from top to bottom, a circulating air duct is also formed between an inner casing of the furnace body and the loading frame, the top of the furnace body is provided with a circulating air inlet at the center thereof, the bottom of the both inner sides of the furnace body is provided with a main air outlet, both sides of the furnace body are provided with a grille air outlet respectively, thereby the circulating air duct system is formed, the top of the furnace body is provided with an air vent, the circulation fan is arranged within the furnace body at top thereof, the high-pressure blower is arranged on the furnace body, and a fresh air inlet is arranged on the furnace body;

• both inner sides of the furnace body are provided with the heating elements respectively.