MOLDING SAND HEATING-RECONDITIONING FURNACE AND MOLDING SAND HEATING-RECONDITIONING SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a molding sand heating-reconditioning furnace and a molding sand heating-reconditioning system, in which the structure is simple, the equipment cost is low, the crushing and the fining of silica sand are not developed, the quality is not deteriorated and the removing ratio of impurity is very high, the rate of the reconditioning increases, the thermal efficiency is very high, the running cost is low and the reconditioning treatment unnecessitating the pretreatment, such as the crushing of molding sand, can be executed, the setting space can be made small, the continuous treatment can be executed and the automation is easily equipped. ;SOLUTION: In the molding sand heating-reconditioning furnace 1 provided with a heat source part 3 and a furnace body 2, a gate 4 for laying the molding sand 91 is provided. The heat source part 3 is a gas burner. A deodoring device, heat exchanger and dust collecting device are provided in the molding sand heating-reconditioning system.;COPYRIGHT: (C)2000,JPO