Improvements in a device to open and close the piquera of an oven for the production of steel. (Machine-translation by Google Translate, not legally binding)

摘要

Device to open and close the piquera of martin siemens ovens, used in steel production. Consists of a refractory closing stone (4), lodged and stored in a chamber (5) equipped with overpressure and moving in transversal direction repected to the geometric axis of the piquera (3); of an element (6) that moves the closing stone (4) within the camera (5); of an electrical or hydraulic unit that is connected with the element (6) that moves the stone (4); from a source that supplies compressed air to the chamber (5) through a pipe (8), and a plug (11) situated outside the piquera (3) that prevents the compressed air exit, as well as the exit of the materials. (Machine-translation by Google Translate, not legally binding)