METHOD FOR MANUFACTURING AGRICULTURAL AND HORTICULTURAL GRANULE FORMULATION

摘要

Provided is a method for producing an agricultural and horticultural granule,;the method including molding a powdered agrochemical composition into granules using a lateral extrusion granulator, characterized in that:;the lateral extrusion granulator includes;a hopper for feeding a kneaded product of the powdered agrochemical composition with water,;a screw for kneading and extruding the kneaded product,;a screw casing for accommodating the screw,;a screen for molding the kneaded product into strands, the screen being provided on a screw casing wall parallel to a screw shaft on a side away from the hopper, and;a cooling unit for cooling a screw casing wall on a bearing side of a screw on a side away from the hopper; and;the powdered agrochemical composition contains 20 to 80% by weight in total of a component having a water solubility of 4,000 to 500,000 ppm at a water temperature of 20° C. and a pH of 3 to 9.

主权项

1. A method for producing an agricultural and horticultural granule, the method comprising molding a powdered agrochemical composition into granules using a lateral extrusion granulator,
wherein said lateral extrusion granulator comprises: a hopper for feeding a kneaded product of said powdered agrochemical composition and water; a screw for kneading and extruding said kneaded product; a screw casing for accommodating said screw; a screen for molding said kneaded product into strands which is provided on a screw casing wall parallel to a screw shaft on a side away from said hopper; and a cooling unit for cooling a screw casing wall on a bearing side of a screw on a side away from said hopper, and wherein said powdered agrochemical composition comprises 20 to 80% by weight in total of a component having a water solubility of 4,000 to 500,000 ppm at a water temperature of 20° C. and a pH of 3 to 9.