4 results about "Cupola" patented technology

The application discloses a kind of cupola gasification furnace arch top material distribution port refractory repair device and its repair method, after folding, the blanking plate is stretched into gasification furnace from distribution port, and the blanking plate is attached on distribution port;The pull bar on the lifting lug is welded on the inner wall of distribution port;The isolation cylinder is welded on blanking plate respectively;Use ceramic fiber cotton to seal the gap;Use high-temperature ceramic refractory in molten state to pour the pouring space between isolation cylinder and the inner wall of distribution port;After ceramic refractory solidification, burn the connecting point between isolation cylinder and blanking plate, and remove the isolation cylinder;Cut off the central part of first bottom plate and second bottom plate, complete the refractory repair of distribution port;The application can complete the repair work of distribution port within a few hours, greatly shorten the cycle of distribution port repair work, shorten the time of wind stop and shutdown, and relatively improve production efficiency.

A detonation chamber equipped with a cupola shaking prevention means according to one embodiment of the present invention comprises: a base frame; a cupola rotatably provided with respect to the base frame; an opening / closing hydraulic cylinder for opening and closing the cupola with respect to the base frame; and a hunting prevention member connecting the opening / closing hydraulic cylinder and the base frame; wherein the hunting prevention member can remove a lateral load generated in the opening / closing hydraulic cylinder or change the reaction direction of the opening / closing hydraulic cylinder from the lateral direction to the axial direction.