EP3215283B1 - Vorrichtung zum abführen von abluft aus der umgebung eines metallbandes - Google Patents

Vorrichtung zum abführen von abluft aus der umgebung eines metallbandes Download PDF

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Publication number
EP3215283B1
EP3215283B1 EP15777705.3A EP15777705A EP3215283B1 EP 3215283 B1 EP3215283 B1 EP 3215283B1 EP 15777705 A EP15777705 A EP 15777705A EP 3215283 B1 EP3215283 B1 EP 3215283B1
Authority
EP
European Patent Office
Prior art keywords
metal strip
air
exhaust air
suction device
conveying path
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP15777705.3A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3215283A1 (de
Inventor
Ulrich Wiegard
Judith Ahrens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Group GmbH
Original Assignee
SMS Group GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Group GmbH filed Critical SMS Group GmbH
Publication of EP3215283A1 publication Critical patent/EP3215283A1/de
Application granted granted Critical
Publication of EP3215283B1 publication Critical patent/EP3215283B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0269—Cleaning
    • B21B45/0275—Cleaning devices
    • B21B45/0287—Cleaning devices removing solid particles, e.g. dust, rust
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B9/00—Measures for carrying out rolling operations under special conditions, e.g. in vacuum or inert atmosphere to prevent oxidation of work; Special measures for removing fumes from rolling mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B99/00—Subject matter not provided for in other groups of this subclass
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/008—Stop safety or alarm devices, e.g. stop-and-go control; Disposition of check-valves
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0269—Cleaning
    • B21B45/0275—Cleaning devices

Definitions

  • the invention relates to a device for removing exhaust air from the environment of a metal strip. Moreover, the device relates to a rolling train with at least two rolling mills for rolling the metal strip with the device according to the invention.
  • a container with a liquid for dip coating a workpiece Above the container, a fan is arranged on one side for generating an air flow for conveying exhaust air in the form of air-foreign substances, which rise from the bath, in a blowing direction.
  • the blowing direction is directed across the bath to the other side of the industrial bath container, where a suction device is arranged to suck and discharge the air flow generated by the blower with the exhaust air.
  • the blowing direction is aligned transversely to a conveying direction of a workpiece to be coated, when it is immersed in the container or is conveyed out of this after its coating.
  • German patent DE 199 16 233 C1 discloses a device for discharging exhaust air from the environment of a roll stand for rolling, in particular for cold rolling of metal strip.
  • the mill stand is completely enclosed with an air inlet and an air outlet opening.
  • a fan is provided for generating an air flow in one direction with a component transverse to the conveying direction of the metal strip. Another component of the direction of movement of the air flow may be directed perpendicular to the plane of the metal strip, so that the air flow as a whole extends obliquely to the metal strip.
  • a suction device is provided, which faces the fan in the direction of the air flow, for sucking and discharging the blower generated air flow together with exhaust air in the vicinity of the metal strip, which is entrained by the air flow.
  • the invention has the object of developing a known device for the removal of exhaust air from the environment of a metal strip to the effect that the amount of exhaust air and thus the energy consumption in the operation of such a device, in particular between two rolling stands in a rolling mill, is reduced.
  • blower is designed as at least one air quantity booster; a sensor device is provided for measuring at which speed the metal belt moves; and a control device is provided for adjusting the delivery rate of the air quantity booster and the suction device as a function of the measured speed of the metal strip.
  • the air flow amplifier generates a directed air flow transversely to the conveying direction of the metal strip.
  • a power supply here serves a small volume of compressed compressed air, which is converted in the air quantity booster together with the ambient air into a high volume, but low pressure air flow.
  • the outflow volume is infinitely variable by regulation of the inlet pressure.
  • a suction device is provided, the exhaust air flange for extracting the exhaust air from the rolling stand is opposite the air flow amplifiers.
  • the functionality is given especially in semi-open and open systems. A complete enclosure of the rolling stand is not required.
  • the air quantity booster and the suction device both of which have a high consumption of electrical energy, are to be activated only when metal strip is in fact at a speed between them Air quantity amplifiers and the suction device is conveyed, which is greater than a predetermined speed threshold. Only then the air quantity booster and the suction device are activated to ensure removal of the exhaust air and the clearest possible view of the metal strip. On the other hand, during periods of inactivity, when no metal strip is passed between the air flow amplifiers and the exhaust or when the speed of the metal strip is below the threshold, the air flow amplifiers and the exhaust are shut off to reduce the cost of their energy consumption.
  • the claimed device reduces the amount of exhaust air.
  • the exhaust device downstream of an exhaust air treatment plant for cleaning the exhaust sucked by the exhaust, d. H. for filtering out air-free substances from the exhaust air In the process chain downstream further exhaust treatment plants can then be dimensioned correspondingly smaller and cheaper.
  • existing rolling mills can be easily and inexpensively retrofitted with the claimed invention.
  • existing systems with divided filter units (50% / 50% volume flow distribution) can be operated continuously after conversion by possible switching and the maintenance layers no longer stop.
  • FIG. 1 shows the inventive apparatus 100 for discharging exhaust air from the vicinity of a metal strip 200, installed between a first rolling mill 310 and a second mill stand 320 of a rolling mill for rolling, preferably for cold rolling of the metal strip 200.
  • the device comprises according to the example of FIG. 1 a plurality of air quantity amplifiers 110, which are arranged opposite to the suction device.
  • the fans each generate an airflow in the Figures 1 and 2 represented by the dashed lines, in a blowing direction BR transverse to the transport direction WR of the metal strip 200.
  • the generated air stream breaks possibly located in the vicinity of the metal strip exhaust air in the direction of the blowing direction BR.
  • a suction device 120 for sucking off and discharging the air flow generated by the air quantity amplifiers with the exhaust air is located on the side of the conveying path for the metal strip opposite the air volume boosters 110.
  • the suction device 120 is preferably downstream of an exhaust air treatment system 150 for cleaning the exhaust air sucked by the suction device.
  • the device according to FIG. 1 also has a sensor device 130 on the input side of the first rolling mill 310 for detecting whether and at what speed the metal strip 200 is being driven.
  • a control device 140 activates in response to the measurement signal of the sensor device 130 Air quantity amplifier 110 and the suction device 120 when the signal of the sensor device 130 signals the presence and a preset or measured speed of the metal strip 200. Otherwise, ie if no metal band 200 is detected or is present or falls below a predetermined speed threshold value, the air quantity booster 110 and the suction device 120 are deactivated.
  • the air particles of the exhaust air can then with substantially less (air) flow rate and therefore with much less energy, be sucked, as if it would have to be sucked over a further distance, initially to the intake of the suction device. Decisive for this is the fact that with the same energy use air particles can be blown much further than sucked.
  • FIG. 2 shows a cross section through the device 100 with a section transverse to the transport direction WR of the metal strip.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cleaning In General (AREA)
  • Advancing Webs (AREA)
  • Metal Rolling (AREA)
EP15777705.3A 2014-11-04 2015-10-12 Vorrichtung zum abführen von abluft aus der umgebung eines metallbandes Active EP3215283B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102014222519 2014-11-04
DE102015209399.9A DE102015209399A1 (de) 2014-11-04 2015-05-22 Vorrichtung zum Abführen von Abluft aus der Umgebung eines Metallbandes
PCT/EP2015/073583 WO2016071080A1 (de) 2014-11-04 2015-10-12 Vorrichtung zum abführen von abluft aus der umgebung eines metallbandes

Publications (2)

Publication Number Publication Date
EP3215283A1 EP3215283A1 (de) 2017-09-13
EP3215283B1 true EP3215283B1 (de) 2018-04-11

Family

ID=55753972

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15777705.3A Active EP3215283B1 (de) 2014-11-04 2015-10-12 Vorrichtung zum abführen von abluft aus der umgebung eines metallbandes

Country Status (7)

Country Link
US (1) US10610916B2 (ja)
EP (1) EP3215283B1 (ja)
JP (1) JP6364126B2 (ja)
KR (1) KR101944356B1 (ja)
CN (1) CN107073535B (ja)
DE (1) DE102015209399A1 (ja)
WO (1) WO2016071080A1 (ja)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108246815B (zh) * 2016-12-28 2019-07-30 宝钢工程技术集团有限公司 用于冷轧酸洗矫直和拉矫段带钢的吹扫装置及其使用方法
CN109985909A (zh) * 2018-01-03 2019-07-09 Sms集团有限公司 带材边缘吹扫装置
CN110860405A (zh) 2018-08-28 2020-03-06 苏州宝时得电动工具有限公司 应用于高压清洗机上的喷头装置及手持式高压清洗机
CN110639954B (zh) * 2019-09-25 2020-12-29 武汉钢铁有限公司 一种能高效收尘的热轧精轧装置及收尘方法
KR102391063B1 (ko) * 2020-12-14 2022-04-28 주식회사 포스코 비산수 처리 장치 및 이의 운용 방법
CN113600624B (zh) * 2021-08-18 2022-07-19 燕山大学 一种板带材表面氧化细铁粉清除装置
CN113843292B (zh) * 2021-09-26 2024-03-29 张家港扬子江冷轧板有限公司 一种单机架冷轧设备
EP4321274A1 (de) 2022-07-27 2024-02-14 SMS Group GmbH Verfahren und strangführungseinrichtung zum betreiben einer kühlkammer
DE102023206241A1 (de) 2022-07-27 2024-02-01 Sms Group Gmbh Verfahren und Strangführungseinrichtung zum Betreiben einer Kühlkammer

Family Cites Families (12)

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Publication number Priority date Publication date Assignee Title
JPS62737Y2 (ja) * 1980-07-03 1987-01-09
JPS6279964A (ja) * 1985-09-30 1987-04-13 Nippon Stainless Steel Co Ltd 鋼帯耳部研削粉の除去装置
JP3126001B2 (ja) * 1991-08-29 2001-01-22 川崎製鉄株式会社 テンションレベラのスケール除去方法
JP3497640B2 (ja) 1995-11-14 2004-02-16 三菱アルミニウム株式会社 排気ファンの制御方法
JP3325442B2 (ja) * 1995-12-06 2002-09-17 昭和電工株式会社 箔圧延機の排気用ブロアー制御装置
JP3389395B2 (ja) 1996-01-10 2003-03-24 新日本製鐵株式会社 熱間圧延におけるストリップ搬送方法および装置
DE19717456A1 (de) * 1997-04-25 1998-10-29 Schloemann Siemag Ag Bandabblasvorrichtung
DE19916233C1 (de) 1999-04-10 2000-11-16 Sundwig Gmbh Walzgerüst
DE102005039474A1 (de) * 2005-08-20 2007-02-22 Sms Demag Ag Walzanlage
US8410712B2 (en) * 2008-07-09 2013-04-02 Ncc Nano, Llc Method and apparatus for curing thin films on low-temperature substrates at high speeds
US8920288B2 (en) * 2011-08-03 2014-12-30 Icon Health & Fitness, Inc. Exercise device with fan controllable by a physiological condition of a user
JP6122273B2 (ja) * 2012-10-23 2017-04-26 日新製鋼株式会社 バーナ装置

Also Published As

Publication number Publication date
KR101944356B1 (ko) 2019-01-31
CN107073535B (zh) 2019-04-12
JP6364126B2 (ja) 2018-07-25
KR20170067874A (ko) 2017-06-16
WO2016071080A1 (de) 2016-05-12
CN107073535A (zh) 2017-08-18
EP3215283A1 (de) 2017-09-13
US10610916B2 (en) 2020-04-07
US20170333965A1 (en) 2017-11-23
DE102015209399A1 (de) 2016-05-04
JP2017531562A (ja) 2017-10-26

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