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Dedicated cooling device for edge rolling groove

A cooling device and cooling water technology, applied in the direction of rolls, metal rolling, metal rolling, etc., can solve the problems affecting the normal use of the rolls, uneven surface wear of the rolls, etc., and achieve good cooling effect, good sealing performance and good stability. Effect

Active Publication Date: 2015-09-30
JIANGSU YONGGANG GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This will cause uneven wear on the surface of the roll and affect the normal use of the roll

Method used

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  • Dedicated cooling device for edge rolling groove
  • Dedicated cooling device for edge rolling groove
  • Dedicated cooling device for edge rolling groove

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1: Such as figure 1 , 2 A cooling device dedicated to the vertical rolling groove shown in and 3, the cooling device is fixedly installed on the outside of the vertical rolling groove 1, the vertical rolling groove 1 is arc-shaped, and the cooling device includes The cooling water pipe fixing plate 2, the water pipe nozzle nozzle 5, connecting the water pipe 3 and the cooling water tank 4, the cooling water tank 4 is fixedly connected to the cooling water pipe fixing plate 2 through the connecting water pipe 3, and the cooling water pipe fixing plate 2 is The arc type, the arc of the cooling water pipe fixing plate 2 is the same as the arc of the vertical rolling groove 1, and the distance between the inner arc side of the cooling water pipe fixing plate 2 and the outer edge of the vertical rolling groove 1 is 20-25 cm. A plurality of water pipe nozzle nozzles 5 are distributed on the inner side of the arc-shaped side of the cooling water fixing plate 2. The top ...

Embodiment 2

[0020] Example 2: Such as figure 1 , 2 As shown in and 3, there is only one water pipe nozzle nozzle 5 in the same vertical direction on the inner side of the arc-shaped side of the cooling water fixing plate 2, and two adjacent water pipe nozzle nozzles 5 are staggered and distributed at different heights; the same vertical direction There is only one water pipe nozzle spraying 5 heads to ensure that the pressure of the water jets sprayed by the cooling device at each position is the same, which is convenient for the uniform cooling effect of each position in the horizontal direction of the rolling trough 1, and the installation height is different to ensure The uniform cooling effect of each position in the vertical direction of the rolling groove 1.

Embodiment 3

[0021] Example 3: Such as figure 1 , 2 As shown in and 3, the vertical included angle between the water pipe nozzle nozzle 5 and the cooling water fixing plate 2 is 80-100°. Give a certain angle to the spray direction of the water nozzle 5 to ensure that after the cooling water is sprayed, there is no dead corner for the cooling of the rolling groove 1, and the cooling water at the upper, middle and lower three positions does not interfere with each other; to achieve both comprehensive cooling and no The effect of wasting water.

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Abstract

The invention discloses a dedicated cooling device for an edge rolling groove. The cooling device comprises a cooling water pipe fixing board, water pipe water mouth nozzles, a connecting water pipe and a cooling water tank. The cooling water tank is fixedly connected with the cooling water pipe fixing board through the connecting water pipe. The cooling water pipe fixing board is in an arc shape. The distance between the inner side of the arc side of the cooling water pipe fixing board and the outer edge of the edge rolling groove ranges from 20 cm to 25 cm. The multiple water pipe water mouth nozzles are distributed on the inner side of the arc side of the cooling water pipe fixing board. The tops of the water pipe water mouth nozzles are provided with four arc-shaped catches. Water outlets of the water pipe water mouth nozzles are divided into cross-shaped water outlets by the arc-shaped catches. According to the dedicated cooling device for the edge rolling groove, due to the cross-shaped water pipe water mouth nozzles with adjustable angles, the spraying area of cooling water of the nozzles is enlarged, the water pressure is not lowered, after the dedicated cooling device for the edge rolling groove is adopted, cooling on the groove surface is even, and the service life is prolonged by about 20%.

Description

technical field [0001] The invention relates to a cooling device in the steelmaking production process, in particular to a water spray cooling device for a vertical rolling mill roll or a rolling groove in a steel rolling workshop. Background technique [0002] Rolling is the main method of forming metal materials. It is formed by compressing a rolled piece through a rotating roll to change its cross-sectional shape. The rolls in contact with the rolled piece during rolling, due to the high temperature heat transfer of the rolled piece and the internal heat generated by the rolling extrusion, cause the surface temperature of the roll or the groove to rise sharply; thus causing cracks and loss on the surface of the rolling groove The meat wears down, reducing the service life of the roll. Therefore, water cooling of rolls or grooves is very important in the rolling process. [0003] At present, the rolling mills in the steel rolling production workshop are usually arranged ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B27/10
Inventor 朱爱华白有志刘尧郭玄
Owner JIANGSU YONGGANG GROUP CO LTD
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