PROCEDIMIENTO Y APARATO PARA REFRIGERAR UN HORNO DE CUBA DESTINADO A LA CALCINACION DE CAL, DOLOMITA O MAGNESITA.

摘要

A method and apparatus is disclosed for the cooling of a lime shaft furnace for the calcining of limestone and which is operable with a combustible fuel. In shaft chambers of the shaft furnace, a hollow beam is provided to convey combustible fuel into the shaft chamber. Associated with the hollow beam is a cooling unit for cooling walls of the beam. A closed circuit cooling liquid system connects with the cooling unit so as to maintain a flow of a cooling liquid through the cooling unit. The cooling liquid has a boiling point of greater than 100 DEG C. This cooling liquid is continuously recooled by a heat exchanger.