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Device for keeping a cold-rolled strip dry in the outlet of strip rolling mills

A technology for cold-rolled strips and strips, applied in workpiece cleaning devices, guiding/positioning/aligning devices, rolls, etc., to solve problems such as disturbing noise, complexity, and energy consumption by known devices and measures

Inactive Publication Date: 2005-06-29
SMS DEMAG AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] As a rule, known devices and measures for producing dry strips are energy-intensive, complex and hinder roll changing and roll gap adjustment and emit disturbing noises

Method used

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  • Device for keeping a cold-rolled strip dry in the outlet of strip rolling mills
  • Device for keeping a cold-rolled strip dry in the outlet of strip rolling mills
  • Device for keeping a cold-rolled strip dry in the outlet of strip rolling mills

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0042] In the case of omitting the original rolling mill stand, figure 1 Shown are two backup rolls 31 , 32 and two work rolls 33 , 34 between the backup rolls, where the work roll gap 12 is adjustable. Above and below the rolled strip 10 coming out of the rolling mill (from left to right in the figure), there is a mist-filled rolling zone consisting of rolls 31, 32, 33, 34 and the rolled strip 10 11. The leaving rolled strip 10 should be shielded from the rolling area 11.

[0043] For this purpose, the mist-shrouded rolling zone 11 is already partially separated from the finished rolling strip 10 by a stationary upper guard device 1 and a permanently installed lower guard device 2 . The movable guard plate mechanism supplements the guard plate mechanisms 1 and 2 of the fixed installation.

[0044] Above the rolling strip 10 , this addition is a movably designed upper strip guide 3 , which includes a strip blowing device 4 driven by a fan and integrated with low-pressure noz...

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PUM

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Abstract

The preferred quality requirements postulated by producers for the product cold-rolled strip include, among good flatness and optimum thickness tolerances, also dryness of the strip in the outlet of strip rolling mills. Already existing devices that are disposed in the outlet of roll stands comprise stationarily installed and mobile partitions, a roll barrel and a roll strip venting device and a vapor escape. The aim of the invention is improve the aforementioned device by disposing above the rolled strip ( 10 ) a strip deflector ( 3 ) with an integrated fan-operated strip venting device ( 4 ) by means of a low-pressure nozzle ( 7 ) and an upper roll barrel gap seal ( 5 ) in the form of a slotted nozzle ( 6 ) and below the rolled strip ( 10 ) an extraction device ( 16 ) with integrated lower strip deflector ( 17 ).

Description

technical field [0001] The invention relates to a device for keeping cold-rolled strip dry at the exit of a rolling mill, the device having means for drawing rolling fluid in the strip exit area and / or for blocking liquid sprayed on the surface of the strip, where these In addition, the mechanism that cooperates to form a functional unit consists of a fixed guard plate mechanism and a movable guard plate mechanism arranged above and below the rolled strip, a roll body blowing mechanism, a roll body gap seal and a smoke suction mechanism composition. Background technique [0002] In addition to good flatness and optimum thickness tolerances, the manufacturer's preferred quality requirements for cold-rolled strip products also include that the strip at the exit of the cold-rolled strip rolling plant should be dry to avoid surface Defects such as stains allow the strip to continue to be processed. [0003] Various plant measures are known in the prior art, the aim of which is...

Claims

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Application Information

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IPC IPC(8): B21B1/22B21B27/10B21B39/14B21B45/02
CPCB21B27/10B21B45/0278B21B45/02
Inventor H·-P·里希特A·克拉普多尔
Owner SMS DEMAG AG
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