TH130530B - Liquid metal pouring pipes and assemblies of pipes and metal frames and metal frames. - Google Patents

Abstract

10 pipes that are the pitch limiter (12) with a pouring core (X), which includes The descending portion where the inlet is diameter expressed as the diameter of the outlet and the above (16) is defined as part of the pipe. Between Top transverse plane (Psup) The tangent angle to the upper (20) end of the pipe and the lower transverse plane (Pinf) lies spaced. (L) expressed as the limit period. From the upper transverse plane (Psup), with its limit four times larger than the diameter of the outlet. With the upward portion (16) flared out and arranged in such a way that - its upper end (20) has an overall shape convex in the axial direction (X) and has The surface intersects with the upper transverse plane (Psup), where its width in the circular direction (Y) is less than half the diameter of the outlet (Dout), - the upward portion (16). Is included in the first volume corresponding to the complement of Conical volumes are symmetrical along their central axis (V1) with a poured core (X) as their core. And their asymptotes form the angle Alpha (a) and the core pour (X) larger than 5, with the small base (22) of the conical volume (V1) aligned with the intersection surface of the lower transverse plane. With the pouring port (12), - the above part (16) is included in the second volume (V2) that is the size limit. The surface of the rotation The triangular pediment (24) rotates around the poured center (X), with the small base (26) of the triangular pediment lying in the upper transverse plane (Psup) with the center (C) of the upper end (20). ) Of the pipe is its center and the width (E) is its size. Equal to half the diameter of the outlet (Dout) and the base width (28) of the triangular pediment in the lower transverse plane (Pinf) and the two non-parallel sides (30,32) of the triangular pediment. Together, beta angle (B) is less than 30:

Claims (1)

1.Pipe 10 for pouring liquid metal from a metallurgical tank (18), where the pipe is a limiter, the pouring port (12) with the pouring core (X), which includes The next down part (14) where the pouring hole will be the size. The diameter is expressed as the diameter of the outlet (Dout) and the above (16), which is defined as a part of the pipe. The mattress is between the upper transverse plane (Psup) at the angle of Tangent and PS.