Sliding closure at the outlet of a metallurgical vessel

Sliding closure at an outlet of a metallurgical vessel, comprising:

• a housing configured to be fastened to the vessel;
• a slider unit coupled to said housing and longitudinally displaceable relative to said housing;
• and a cassette arranged in said housing and being configured to retain a refractory closure plate having an opening for passage of medium from the vessel;
• at least one retaining element on one end side of said cassette;
• and at least one elbow lever mechanism on an opposite end side of said cassette from said at least one retaining element, said at least one retaining element and said at least one elbow lever mechanism cooperating to define part of connecting means associated with said cassette for enabling fixing and releasing of the refractory closure plate when retained in said cassette;
• said cassette comprising lateral centering elements, and said housing comprising guide elements corresponding to said centering elements,
• whereby said guide elements of said housing cooperate with said lateral centering elements to precenter said cassette during introduction of said cassette in said housing.

Sliding closure at an outlet of a metallurgical vessel, comprising:

• a housing configured to be fastened to the vessel;
• a slider unit coupled to said housing and longitudinally displaceable relative to said housing;
• a respective cassette arranged in at least one of said housing and said slider unit and being configured to retain a refractory closure plate having an opening for passage of medium from the vessel;
• at least one retaining element on one end side of said respective cassette;
• and at least one elbow lever mechanism on an opposite end side of said respective cassette from said at least one retaining element, said at least one retaining element and said at least one elbow lever mechanism cooperating to define part of connecting means associated with each said respective cassette for enabling fixing and releasing of the refractory closure plate when retained in said respective cassette to said respective cassette,
• each said respective cassette comprising a clamping device configured to fixedly clamp the refractory closure plate, said clamping device comprising:
• a clamping module on each of a pair of opposite sides of a space in which the refractory closure plate is to be retained in said respective cassette;
• and
• push rods, wedges and an elbow lever linkage for actuating said clamping device.