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Method and device for recovering energy from a hot strip bundle

A hot-rolled strip and energy recovery technology, which is applied in forging equipment, workpiece cooling equipment, waste heat treatment, etc., can solve the problems that have not been widely realized and the heat recovery technology is troublesome

Active Publication Date: 2015-01-07
PRIMETALS TECH GERMANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The disadvantage of this prior art procedure is that the heat recovery is technically very complex and therefore until today at least not widely implemented in this way

Method used

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  • Method and device for recovering energy from a hot strip bundle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] The metal strip emerging from the hot rolling train H is wound into hot strip coils and then fed to the energy recovery device 2 included by the device 1 for energy recovery.

[0038] The energy recovery device 2 comprises an enclosure 4 which, apart from the hot-rolled strip coil inlet and the hot-rolled strip coil outlet, is designed to be gas-tight.

[0039] The hot-rolled strip coil B is conveyed to the enclosure 4 by means of a conveying device 3 through an entry-side gate 7 . Furthermore, there is an outlet-side lock 7 through which the hot-rolled strip coil B passes when exiting the enclosure 4 . The enclosure is designed as a thermal insulation, so that as little energy as possible is dissipated to the environment U via the walls of the enclosure 4 .

[0040] The gate 7 is designed such that the energy exchange, in particular the heat exchange, between the central or central part of the enclosure 4 and the surroundings U of the enclosure 4 is as small as possib...

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Abstract

#CMT# # / CMT# The method involving passing of gaseous medium (G) i.e. air, in a hot strip bundle (B) within an energy recovery device (2) for recovery of energy i.e. heat energy. The gaseous medium absorbs heat energy, which is delivered by the hot strip bundle. The gaseous medium circulates the bundle with adjustable pressure, which is larger than one bar. The hot strip bundle passes through a housing (4) i.e. tunnel oven, in a translatory direction. The gaseous medium exhibits a flow direction, which opposes movement direction of the hot strip bundle. #CMT# : # / CMT# An independent claim is also included for a device for recovery of energy. #CMT#USE : # / CMT# Method for recovery of energy i.e. heat energy, from a metallic hot strip bundle that is produced by a heat roller system in an industrial plant (all claimed). #CMT#ADVANTAGE : # / CMT# The method enables recovering of energy from the metallic hot strip bundle in a simple manner. The method is suitable for any type of hot strip bundles independent of additional processing. The method reduces emission of carbon-di-oxide, during recovery of energy. The utilization of the medium avoids changing of surface of the metallic hot strip bundle. The gaseous medium circulates the bundle with adjustable pressure, which is larger than one bar, thus increasing the mass of the gas, which absorbs heat from the bundle, and hence recovering energy in an effective manner. #CMT#DESCRIPTION OF DRAWINGS : # / CMT# The drawing shows a schematic view of a device for recovery of energy. B : Hot strip bundle G : Gaseous medium 2 : Energy recovery device 3 : Transport device 4 : Housing.

Description

technical field [0001] The invention relates to a method for recovering energy from at least one hot-rolled strip coil of metal produced in a hot-rolling mill having a temperature greater than 200° C., wherein the at least one hot-rolled strip coil passes through energy Recovery device. Furthermore, the invention relates to a device for recovering energy, in particular heat, from at least one hot-rolled strip coil of metal produced in a hot-rolling mill with an energy recovery device having a temperature greater than 200° C. The at least one hot-rolled strip coil can be arranged inside the device. Background technique [0002] During the production of hot-rolled metal parts, in particular metal strips, the hot metal parts produced are collected and usually coiled at the end of a production line, in particular a hot strip rolling train. [0003] During the manufacture of hot strip, a so-called coiling process of the rolled hot strip takes place at the end of the hot strip t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B21B45/00F27D17/00
CPCB21B45/0209B21B45/00B21B15/005Y02P70/10
Inventor T.马楚拉特
Owner PRIMETALS TECH GERMANY