WO2010040614A3 - Descaling device comprising a pump drive operated at a variable speed - Google Patents

Descaling device comprising a pump drive operated at a variable speed Download PDF

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Publication number
WO2010040614A3
WO2010040614A3 PCT/EP2009/061617 EP2009061617W WO2010040614A3 WO 2010040614 A3 WO2010040614 A3 WO 2010040614A3 EP 2009061617 W EP2009061617 W EP 2009061617W WO 2010040614 A3 WO2010040614 A3 WO 2010040614A3
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
descaling
pipe system
nozzles
variable speed
Prior art date
Application number
PCT/EP2009/061617
Other languages
German (de)
French (fr)
Other versions
WO2010040614A2 (en
Inventor
Guido Bodden
Jochen Wermke
Original Assignee
Siemens Aktiengesellschaft
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40010829&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2010040614(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to CN2009801396569A priority Critical patent/CN102176984B/en
Priority to EP09782752.1A priority patent/EP2337642B2/en
Priority to PL09782752T priority patent/PL2337642T3/en
Publication of WO2010040614A2 publication Critical patent/WO2010040614A2/en
Publication of WO2010040614A3 publication Critical patent/WO2010040614A3/en

Links

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
    • B21B45/04—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 de-scaling, e.g. by brushing
    • B21B45/08—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 de-scaling, e.g. by brushing hydraulically

Abstract

A descaling device (E) comprises at least one descaling zone (4 to 6) in which a number of nozzles (7) are arranged that allow a liquid descaling medium (8) to be sprayed at a high pressure onto a metal billet (3) which is to be descaled. The nozzles (7) are connected to a high-pressure pipe system (9) via which the liquid descaling medium (8) can be fed to the nozzles (7). A pump (11) which is driven by an electric motor (13) and allows the liquid descaling medium (8) to be conducted at a high pressure from a low-pressure supply network (12) into the high-pressure pipe system (9) is connected to the high-pressure pipe system (9). A high-pressure storage unit (14) from which the high-pressure liquid descaling medium (8) can be discharged is connected to the high-pressure pipe system (9). The electric motor (13) is connected to an electric power supply system (16) via a converter (17). The converter (17) is connected to a control device (18) for control purposes. The control device (18) is designed such that the same controls the converter (17) in such a way that the electric motor (13) is operated at a variable speed (n).
PCT/EP2009/061617 2008-10-07 2009-09-08 Descaling device comprising a pump drive operated at a variable speed WO2010040614A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN2009801396569A CN102176984B (en) 2008-10-07 2009-09-08 Descaling device comprising a pump drive operated at a variable speed
EP09782752.1A EP2337642B2 (en) 2008-10-07 2009-09-08 Ignition device with pump drive with variable speed
PL09782752T PL2337642T3 (en) 2008-10-07 2009-09-08 Ignition device with pump drive with variable speed

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08017562A EP2174729A1 (en) 2008-10-07 2008-10-07 Ignition device with pump drive with variable speed
EP08017562.3 2008-10-07

Publications (2)

Publication Number Publication Date
WO2010040614A2 WO2010040614A2 (en) 2010-04-15
WO2010040614A3 true WO2010040614A3 (en) 2010-07-15

Family

ID=40010829

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/061617 WO2010040614A2 (en) 2008-10-07 2009-09-08 Descaling device comprising a pump drive operated at a variable speed

Country Status (4)

Country Link
EP (2) EP2174729A1 (en)
CN (1) CN102176984B (en)
PL (1) PL2337642T3 (en)
WO (1) WO2010040614A2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2420329A1 (en) * 2010-08-18 2012-02-22 Siemens Aktiengesellschaft Descaling assembly
CN102155394A (en) * 2011-04-08 2011-08-17 本溪水泵有限责任公司 Pneumatic control device installed at lower part of descaling pump liquid cylinder body
CN103191937B (en) * 2012-01-10 2014-12-03 宝山钢铁股份有限公司 Segmental descaling control method for hot continuous rolling mill
JP5790528B2 (en) * 2012-02-09 2015-10-07 東芝三菱電機産業システム株式会社 Control device for rolling descaling equipment
CN102615059B (en) * 2012-03-27 2014-03-05 宝山钢铁股份有限公司 Method for cleaning high-pressure water gun for leveler
CN102755997A (en) * 2012-07-26 2012-10-31 宝钢不锈钢有限公司 Safe and energy-saving control device and control method of hot rolling high-pressure descaling system
CN104209354B (en) * 2014-07-17 2015-12-30 镇江金昶坤能源设备有限公司 The water jet pump energy-saving control method of steel rolling descaling system
CN105268687B (en) * 2015-11-12 2017-12-08 国网新疆电力公司和田供电公司 High voltage supply insulator cleaning device and application method
US20190270089A1 (en) * 2016-07-29 2019-09-05 Siemens Aktiengesellschaft Method for actuating a motor for starting a mill
EP3599037A1 (en) 2018-07-25 2020-01-29 Primetals Technologies Germany GmbH Cooling section with adjustment of the cooling agent flow by means of pumping
CN108906749B (en) * 2018-09-12 2021-02-26 马鞍山钢铁股份有限公司 Control method of high-pressure water pump of billet descaling machine
CN111069148A (en) * 2019-12-19 2020-04-28 龙游龙辉电镀有限公司 Cleaning equipment for ground rod and cleaning method thereof
CN111715711B (en) * 2020-05-06 2022-03-29 唐山钢铁集团有限责任公司 Efficient descaling control method for hot-rolled strip production line

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605011B1 (en) * 1976-02-10 1977-07-28 Krupp Ag Huettenwerke PROCESS AND DEVICE FOR SCALING DURING CONTINUOUS FORMING, IN PARTICULAR ROLLING, OF LONG DISTINCTED METALLIC GOODS, IN PARTICULAR STEEL
DE4328303A1 (en) * 1992-12-23 1994-06-30 Juergen Gaydoul Appts. for descaling of hot rolled material
JPH10127092A (en) * 1996-10-22 1998-05-15 Ebara Densan Kk Inverter unit for pump

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4330519B4 (en) * 1993-09-09 2004-08-05 Sms Demag Ag descaling
CN1177655C (en) * 2001-09-20 2004-12-01 长沙矿山研究院 High-pressure water thermal-state descaling system of electro-hydraulic control unloading valve
CN100563862C (en) * 2007-11-12 2009-12-02 二重集团（德阳）重型装备股份有限公司 The high-pressure water descaling system of hot continuous rolling production line

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2605011B1 (en) * 1976-02-10 1977-07-28 Krupp Ag Huettenwerke PROCESS AND DEVICE FOR SCALING DURING CONTINUOUS FORMING, IN PARTICULAR ROLLING, OF LONG DISTINCTED METALLIC GOODS, IN PARTICULAR STEEL
DE4328303A1 (en) * 1992-12-23 1994-06-30 Juergen Gaydoul Appts. for descaling of hot rolled material
JPH10127092A (en) * 1996-10-22 1998-05-15 Ebara Densan Kk Inverter unit for pump

Also Published As

Publication number Publication date
EP2174729A1 (en) 2010-04-14
CN102176984A (en) 2011-09-07
PL2337642T3 (en) 2014-04-30
EP2337642A2 (en) 2011-06-29
WO2010040614A2 (en) 2010-04-15
EP2337642B1 (en) 2013-11-13
EP2337642B2 (en) 2017-07-26
CN102176984B (en) 2013-11-20

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