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Rough rolling device in dual-line hot rolling production line of 105 square casting blanks

A production line and slab technology, applied in the direction of rolls, metal rolling, metal rolling, etc., can solve problems such as the inability to realize the double-line simultaneous rolling process of 150 square slabs, and achieve increased diameter, improved bearing capacity, and reduced short length effect

Inactive Publication Date: 2010-03-10
JIANGSU YONGGANG GROUP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, this scheme cannot realize the double-wire simultaneous rolling process of 150 square billets in the true sense.

Method used

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  • Rough rolling device in dual-line hot rolling production line of 105 square casting blanks

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Embodiment Construction

[0009] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0010] like figure 1 As shown, the 150 square billet double-strand hot rolling production line includes: feeding stand 1, heating furnace 2, furnace roller table 3, steel separating machine 4, pendulum plus shear 5, and 6 to 12 rough rolling mills from the first to the seventh The rough rolling device that constitutes, and the middle rolling group that is made up of the first to the fourth middle rolling mill 13~16 and two transitional rolling groups that are respectively made up of the fifth middle rolling mill 17, the sixth middle rolling mill 18, two sixth middle rolling mills The back road of rolling mill 18 is also respectively provided with flying shears 19, side loopers 20, snapping shears 21, crank arm shears 22, snapping shears 23, pre-finishing rolling unit 24, vertical loopers 25, Water cooling sections 26 and 27, flying shears 28,...

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Abstract

The invention disclose a rough rolling device in the dual-line hot rolling production line of 105 square casting blanks which are truly produced through dual-line rolling. The rough rolling device comprises a plurality of rough rolling machines, wherein each one of the rough rolling machine comprises a machine frame and a pair of rollers arranged on the machine frame through bearings; each pair ofthe rollers is provided with at least two corresponding hole patterns; the body length of the rollers is not more than 700 millimeters; the body diameter of the rollers is not less than 600 millimeters; and the bearings are four lines of tapered roller bearings and are made of carburizing steel. The rough rolling device is mainly used in the dual-line hot rolling production line.

Description

technical field [0001] The invention relates to a double-line hot-rolling production line for large billets, in particular to a rough rolling device in the double-line hot-rolling production line for 150 square billets. Background technique [0002] At present, based on the equipment level of the existing domestic rolling mills, on the hot rolling production line equipped with a finishing rolling unit, the maximum speed of finished products is about 90m / s, and the annual output is about 550,000 tons. To achieve an annual output of 1 million tons, Two sets of finishing rolling mills are required for double-strand rolling, and the rough and medium rolling adopts full-level arrangement of double-strand rolling. The current roughing and intermediate rolling device includes: a multi-stand roughing mill, each roughing mill includes a stand and a pair of rolls arranged on the stand through four-row cylindrical roller bearings, each pair of rolls is equipped with a corresponding pas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B21B31/00B21B27/02B21B31/07
Inventor 陈华斌张先轶杜显峰屈小波王云春冯大圣吴锦圆李钢
Owner JIANGSU YONGGANG GROUP CO LTD
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