NOVELTY - Reaction kettle comprises pedestal and kettle body (2), where the kettle body is combination of rectangular body (3) and semi cylindrical bottom. Power shaft (15) is connected with kettle body on left and right walls, and power shaft one end is set with external power connection system. Power shaft vertical portion is set with stirring stick, where each stirring stick is fixed on power shaft at middle part. Adjacent two pieces of stirring stick is staggered and set with mounted blade. Front and rear two side walls of upper part are set with guide part, which is set at interval.    USE - Reaction kettle used for preparing organic fertilizer (claimed).    ADVANTAGE - The reaction kettle ensures uniform complete fermentation of organic fertilizer in quick manner and short time.    DETAILED DESCRIPTION - Reaction kettle comprises pedestal and kettle body, where the kettle body is combination of rectangular body and semi cylindrical bottom. Power shaft is connected with kettle body on left and right walls, and power shaft one end is set with external power connection system. Power shaft vertical portion is set with stirring stick, where each stirring stick is fixed on power shaft at middle part. Adjacent two pieces of stirring stick are staggered and set with mounted blade. Front and rear two side walls of upper part are set with guide part, which is set at interval on each one side wall. Kettle body part is set with kettle cover and an air inlet. Air inlet is connected with external fan by pipeline and outside kettle body equipped with insulating layer. Side bottom of kettle is set with heating layer, upper kettle is set with water inlet pipe and upper bottom is placed with material valve. The mixture is stirred in the reaction kettle at speed of 2-4 revolutions per minute for 6-7 minutes. The mixture is heated at 118-122 degrees C for 1-2 hours, and then subjected to natural stacking for 7-8 days.    DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of a reaction kettle.    Kettle body (2)    Rectangular body (3)    Kettle cover (11)    Air inlet (13)    Power shaft (15)