SU729145A1 - Cooler - Google Patents

Description

(54) REFRIGERATOR

one

The invention relates to equipment for vertical pipe extrusion and can be used in the glass industry.

A cooler for a vertical pipe stretching machine is known, which comprises an annular chamber with two cold and inlet hot water inlets. 1.JQ

Also known is a cooler used for pulling pipes, comprising an annular chamber with external thermal insulation, branch pipes for supplying and discharging working medium, the branch pipe being connected to the annular chamber 2.

The disadvantages of such refrigerators are the formation of dross on the lower end wall that cools the Q bulb of the glass melt. This scale falls on the glass melt, introducing into it foreign particles that contribute to the formation of defects on the pipe.

The aim of the invention is to reduce the rejects of forming pipes.

This is achieved by the fact that in the hollow case of a machine for vertical stretching of tubes containing an annular chamber with external thermal insulation, -

supply and discharge connections; the annular chamber is provided with a horizontal partition at the base to form a cavity, divided by a vertical partition, on both sides of which a horizontal opening is made in the horizontal partition, one of which is connected to the supply connection of the working medium.

FIG. 1 shows a refrigerator, a general view; in fig. 2 shows section A-A in FIG. one.

The refrigerator has an annular Kjuwiepy 1 with nozzles 2 and 3 for supplying and discharging the working medium. The outer surface of the annular chamber 1 has thermal insulation 4 and a horizontal partition 5, which at the base of the refrigerator forms an annular cavity 6 equipped with a vertical partition 7. Horizontal partition 5 has two openings 8, 9, located on both sides of the vertical partition 7. Hole 8 communicates with the internal volume of the annular XM1, and hole 9 is connected to the core of the working medium, for example, water.

Claims (2)

When cold water is working, water enters through pipe 2 through opening 8 into the lower cavity 6, passes through it, cooling the base of the cooler and out through opening 9 into the upper annular chamber 1, then passes the last round up and out through pipe 3 The annular chamber l is made with a height significantly greater than the height of the lower cavity 6, so the water in the lower cavity moves with greater speed. This increases the heat transfer coefficient l from the base to the water, and the heat transfer coefficient of the flue gases to the base remains almost constant. Since the temperature of the outer surface of the base of the refrigerator is determined by the ratio l / s, an increase leads to a decrease in temperature on the basis of which leads to a decrease in the amount of dross formed and falling on the glass mass and a reduction in the waste of pipes The invention will reduce the cost of glass pipes due to time of their manufacture. Claims of the Invention A refrigerator for vertical stretching of pipes, comprising an annular chamber with external thermal insulation of supply and discharge connections of the working medium, characterized in that, in order to reduce the spoilage of the formed pipes, the annular chamber is provided at the base with a horizontal partition to form a cavity divided by a vertical partition, on both sides of which there are holes in the horizontal partition, one of which is connected to the branch pipe for supplying the working medium. Sources of information taken into account in the examination 1.Shapiro I.E. and others. Glass pipes. Stroyizlat, M., 1966, p.60. 2. USSR author's certificate number 351971, cl. From 03 to 17/04, 1970. f L J / A-A Pui.i Fig 2