DE1958192U - CASTING PAN SUSPENSION, IN PARTICULAR FOR CONTINUOUS CASTING. - Google Patents

Description

P.A. 035 857 * 1/20/67

Ing.W. Schroeder Wiesbaden, January 18th

Lessing-Strasse 16

VP / Sun / Pm. lall 2274 gm.

Stoeeker & K u η ζ GmbH. Krefeld-Linn-Eheinliafen, Ohlendorffstr. 30th

Ladle spout, especially for continuous casting.

Firing refers to a ladle spout, in particular for continuous casting from a spout through which a flow opening extends.

Normally, when the liquid melt flows out of a pouring ladle into the mold, the pouring stream falls a little freely through the surrounding atmosphere or through a cast iron and comes in with the oxygen and nitrogen of the air Contact. But this is undesirable

Spouts that are designed so that the space between the pouring ladle and form is bridged and the pouring stream, without coming into contact with the air, comes from the pouring ladle into the Mold or is performed in the Gießtriehter are known. Here the exit of the melt into the mold or into the melt funnel can take place vertically or through lateral outlets in the outlet end of the spout, the latter measure being particularly important has proven itself in large rectangular slabs.

However, when casting batches containing manganese, it has been shown that that the inlet of the spouts expands very much, which naturally leads to a strong impairment of such long runs leads.

It is now known to have normal spouts at the inlet end with an inner one To provide insert made of a more wear-resistant material than that of the surrounding spout body is there to prevent a premature To counteract wear of the inlet end.

The innovation now consists in the fact that a ring-shaped upper insert made of a wear-resistant high-

Refractory material provided pouring body made of a softer one refractory material has such an elongated outlet end that its outlet opening dips into the mold.

Through such an innovation according to the design of a pouring ladle spout there is not only contact between the air and the outflowing one Melt avoided, but at the same time a wear-protected inlet combined with a softer flow quality, which leads to a better resistance to temperature changes of the extra-long outlet part, combined with a wear-resistant, secure support for the stopper ensuring inlet leads, whereby also the subsequent softer part of the passage also largely is protected from wear.

An advantageous embodiment of the new rungs like ate pouring ladle spout can also consist of the fact that the insert is made of a wear-resistant refractory material as the flow channel of the Spout body is formed lining the entire length of tubular body.

In specially stored lalls where the distance between The pouring ladle and mold is particularly large, it can be a special part of the gate for manufacturing reasons, the pouring body in the area of its elongated outlet end of at least two adjoining parts.

Even with such a design, the extension approach can with a short insert or an insert lining the passage of the extension approach in its entire length be made of a wear-resistant, highly refractory material.

Likewise, the flow channel of the respective lowermost extension approach open out through outflow openings directed sideways.

Examples of the innovation are shown in the drawing. It demonstrate: - '. . . ■ Pig. 1 a ladle spout with a precise flow channel in the Central longitudinal section,

■ - 3 - ■ ■. ■ ■

Pig. 2 a pouring ladle spout with lateral outlets in the central longitudinal section,

ig. 3 a ladle spout in the central longitudinal section with the Through-flow channel lining the entire length,

4 a pouring ladle spout in the middle longitudinal section with the insert lining the flow channel and lateral outlets and

Pig. 5 a pouring ladle spout in central longitudinal section with an extension approach.

The outer spout body provided with the throughflow channel 2 is provided with 1 referred to. At the inlet end 3 is an annular one in the spout body 1 Insert 4, which is traversed by the flow channel 2 ', used. This insert 4 consists of a harder and more wear-resistant one refractory material as the spout body At its lower end, the spout body 1 is provided with the outflow opening 5 (Pig. 1). The spout body 1 has one Length so that it dips into the mold (not shown).

At the pouring ladle according to Pig. 2 break through the outflow openings 5 the pouring body wall laterally.

The insert 4 can also the flow channel ■ 2 of the spout body 1 in line its entire length (Pig. 3 and 4).

In special cases, confesses the length of the elongated one The outlet end of the spout body 1 does not extend around the gap To bridge between the pouring ladle and the mold, the pouring body 1 can be long enough by attaching at least one Extension approach 6 extended by the required amount become (Pig. 5).

Of course, this extension approach 6 can also an insert 4, corresponding to that of the spout body 1.

/ 4

This extension approach 6 can also have lateral outlets 5 be provided.

Claims (6)

P.A. 035 857 * 20.1- 67 S 6 h u t ζ a η s ρ r ii e Ii e: 1.) Gießpf annenausguß, especially for continuous casting from one spout body traversed by a flow opening, thereby characterized in that a in a known manner with an annular body-shaped Upper insert (4) made of a wear-resistant, highly refractory material provided with a spout body (1) made of a softer refractory material has such an elongated outlet end that its outlet opening (5) into the mold shape immersed. 2.) Gießpfannenausguß according to claim 1, characterized in that the passage (2) is lined by the insert (4) over its entire length. 3.) semolina spout according to claims 1 and 2, characterized in that that the flow channel (2) in front of the lower end of the Spout body (1) through sideways outflow openings (5) empties. 4.) G-ießpf annenausguß according to claims 1 and 2, characterized in that that the spout body (1) consists of at least two juxtaposed in the area of its elongated outlet end Share consists of the spout body (1) and one or several extension approaches (6). 5.) semolina spout according to claim 4, characterized in that the extension approach or extensions (6) are provided with an upper short insert (4). 6.) Semolina spout according to claim »characterized in that the flow channel (2) of the extension approach (s) (6) in the entire length of the insert (4) are lined. 7 ·) G-pouring spout according to claims 4 to 6, characterized in that the flow channel (2) of the lowermost extension attachment (6) through laterally directed outflow openings (5) empties