Rotary closure for metallurgical vessels

Details Rotary closure for metallurgical vessels Rotary closure for metallurgical vessels

B - Operations, Transporting

22

D

B22D 41/26 (2006.01) B22D 41/28 (2006.01)

Patent

CA 2145279

The invention relates to a rotary closure for the discharge opening in the bottom of a metallurgical vessel. The characterizing feature of the invention is that inserted in the lower end portion of its discharge block (1) is a discharge sleeve (3) which has a pouring channel (5) extending at an inclination and against whose lower horizontal end face (7) a sleeve (3a) shaped identically laterally inverted to the discharge sleeve (3) bears via its complementary end face (7a), the sleeve (3a) being inserted in a drain (10) disposed to rotate around a vertical axis (4) in relation to the fixed discharge block (1), and in a predetermined rotated position (opening position) of the drain (10) the opposite openings of the pouring channels (5, 5a) in the sleeves (3, 3a) are in alignment, while in other rotated positions (closure positions) said openings are completely or partially separated from one another.

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