SU437563A1 - Crystallizer - Google Patents

Description

The invention relates to the continuous casting of metals.

Known molds, which, in addition to water collectors, are equipped with air nozzles connected to a water-cooled mold cavity.

However, such molds do not provide uniform cooling of the blanks around the perimeter.

In the case of the proposed mold, in order to uniformly cool the blanks around the perimeter, upper and lower intermediate air collectors are made, connected respectively by means of nozzles and inclined channels with external air collectors and vertical water-cooled channels.

FIG. 1 shows schematically the proposed mold; in fig. 2 shows a section along A-A “and FIG. I.

The mold consists of body 1, external 2 and internal 3 walls, vertical water-cooled channels 4, internal upper 5 and lower 6 water collectors connected by horizontal channels 7 and 8 and nozzles 9 and 10 with external water Upper 11 and 12 collectors. The intermediate upper 13 and lower 14 air collectors are connected to the crystallizer body, communicating by means of nozzles 15–16 with external upper 17 and BELOW IS air collectors. Intermediate air collectors using inclined channels 19 and 20 are connected with vertical water-cooled channels.

The mold works as follows.

Water from the lower water collector 12 through the pipes 10 and horizontal channels 8

enters the vertical channels 4. Compressed air is additionally introduced from the external air collector 18 through the pipe 16, the intermediate collector 14 and the inclined channels 20 into the vertical channels 4. The water-air mixture is removed through the upper internal collector 5, the horizontal channels 7, the pipe 9 and the upper manifold 11. The air manifold 17 is closed. When the inner walls of the mold are worn in the lower part, it is turned upside down by 180 °. The operation of the cooling system of the mold is carried out in a similar way.

Subject invention

A crystallizer consisting of outer and inner walls, between which vertical water-cooled channels are made, interconnected by upper and lower inner collectors, from which are connected by means of branch pipes to corresponding outer collectors, outer air upper and lower collectors, by means of connected branch pipes mold body, characterized in that, for the purpose of uniform cooling of the chamfer around the perimeter, intermediate upper and lower are made in the mold body air collectors, connected respectively by means of nozzles and inclined channels with external air collectors and vertical water-cooled channels.

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