METHOD AND APPARATUS FOR PREHEATING PULVEROUS MATERIALS PRIOR TO THEIR INTRODUCTION INTO A MELTING FURNACE

摘要

The present invention relates to method and apparatus for improving the preheating of pulverous materials, their introduction into melting furnaces, and their melting therein, with application to the recycling of some of the vitrifiable starting materials delivered to a tank furnace for glass making to raise its entry level temperature. The subject invention, as hereinafter described, is of particular utility to the glass industry, but it is to be understood that it is also applicable to other types of furnaces.