Improvements in the cubes for cuba ovens, especially for cuba oven for cement, dolomitamagnesite and similar. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements in the cupolas for furnaces of vat, especially for vat kilns for calcining cement, dolomite, magnesite and the like, characterized in that the dome forms a hermetic seal and that in the closure is incorporated a lock with several gates, whose dampers mounted at different heights and driven by hydraulic means, they close at a rate of less than 20 seconds, the control of the gates being carried out in such a way that one of the gates is always in the closed position. (Machine-translation by Google Translate, not legally binding)