EP1565595A2 - Verfahren und vorrichtung zur, insbesondere kontinuierlichen oberflächenbehandlung, insbesondere zur reinigung, eines metallbandes - Google Patents
Verfahren und vorrichtung zur, insbesondere kontinuierlichen oberflächenbehandlung, insbesondere zur reinigung, eines metallbandesInfo
- Publication number
- EP1565595A2 EP1565595A2 EP03812134A EP03812134A EP1565595A2 EP 1565595 A2 EP1565595 A2 EP 1565595A2 EP 03812134 A EP03812134 A EP 03812134A EP 03812134 A EP03812134 A EP 03812134A EP 1565595 A2 EP1565595 A2 EP 1565595A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tank
- pumping
- treatment liquid
- treatment
- metal strip
- 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.)
- Granted
Links
- 239000002184 metal Substances 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004140 cleaning Methods 0.000 title claims abstract description 12
- 238000004381 surface treatment Methods 0.000 title description 3
- 239000007788 liquid Substances 0.000 claims abstract description 52
- 238000005554 pickling Methods 0.000 claims abstract description 12
- 238000005086 pumping Methods 0.000 claims description 55
- 238000005192 partition Methods 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims description 2
- 230000008859 change Effects 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- -1 polypropylene Polymers 0.000 claims description 2
- 229920001155 polypropylene Polymers 0.000 claims description 2
- 239000010959 steel Substances 0.000 claims description 2
- 238000009423 ventilation Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000000243 solution Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000003993 interaction Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G3/00—Apparatus for cleaning or pickling metallic material
- C23G3/02—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously
- C23G3/021—Apparatus for cleaning or pickling metallic material for cleaning wires, strips, filaments continuously by dipping
Definitions
- the invention relates to a device for operating and a method for converting a system for, in particular continuous, treatment, preferably for cleaning, a metal strip by means of a treatment liquid, in particular a pickling liquid, the metal strip, preferably horizontally, through at least one tank for holding the treatment liquid , in particular a pickling tank, with at least one pumping tank, preferably two pumping tanks, for the preparation and / or storage or provision of the treatment liquid.
- AT 407759 B From AT 407759 B it is known to provide flat tanks with special injection devices for the treatment liquid. AT 407759 B also schematically shows the system concept with the pumping tank without revealing a particularly space-saving arrangement.
- the object is solved according to the inventive apparatus according to the characterizing portion of claim 1 and according to the ⁇ method according to the characterizing portion of claim 20 of invention.
- the measures according to the invention make it possible to create a very space-saving and compact treatment system which enables very efficient treatment, offers clear advantages in operating costs and thus improves the treatment process as a whole.
- one or more pumping tanks are arranged directly under the tank for holding the treatment liquid.
- Pumped-over tanks serve for the preparation but also for the absorption of the treatment liquid when emptying the tanks.
- the tank for holding the treatment liquid is designed as a flat tank with a lid.
- pollution of the environment or the immediate system environment by the treatment medium can be avoided.
- the design as a flat tank enables a very efficient interaction between the belt and the treatment liquid. A particularly good treatment result can thus be ensured on the metal band.
- a further embodiment of the device provides that the pumping tank or tanks and the tank form a unit.
- the system can be kept very compact, which, in addition to the advantages already mentioned, also gives rise to advantages with regard to the space requirement and the assembly process of the system parts.
- the tank is structurally placed on one or more pumping tanks.
- This version allows very simple assembly and disassembly and enables a cost-effective, simple design for the tanks and the pumping tanks.
- seals are provided on the contact surface between the tank and pumping tanks. This ensures that volatile components of the treatment liquid, e.g. Vapors, do not get into the environment.
- the lid to or Umpumptanks In a very compact embodiment of the apparatus of the bottom of the tank is "the lid to or Umpumptanks. This minimizes space requirements and provides for assembly as maintenance a significant advantage as the components can be easily disassembled or serviced. The The difference in level between the surfaces of the treatment liquids in the tank and in the pumping tanks can thus be minimized.
- a very advantageous embodiment of the device is achieved by the design of the tank and pumping tank made of plastic, polypropylene in particular being used. This ensures a long service life and high operational reliability.
- the good processing properties such as weldability, enable the construction of complex components and the assembly of assemblies into one structural unit.
- the tank and pumping tanks are made of rubberized steel or of other materials resistant to the treatment liquid, such as stainless steel. This is a very robust and reliable solution and can be used for assembled components.
- components that are in direct contact with the treatment liquid, such as a tank or pumping tank can advantageously be designed in this way.
- the device according to the invention has drainage chambers which receive the treatment liquid emerging from the tank, caused by the movement of the metal strip or due to turbulence, and guide it into the pumping tank or tanks.
- the tank and the pumping tank (s) are connected via an additional drain, absorbing a change in length, so that the tank can be emptied in a simple manner via this drain.
- the large lengths of the tanks and the increased operating temperatures lead to considerable, thermally induced changes in length which are absorbed by the process according to the invention.
- the drain between the tank and the pumping tank is provided in the middle of the tank, as seen in the direction of belt travel, the bottom of the tank being designed inclined toward the drain, so that when the treatment liquid is drained, the tank is always completely drained.
- the pumping tank has a bottom, which has a gradient over the entire length, the gradient being aligned in the direction of travel of the belt.
- Manhole or cleaning openings with a removable cover are provided for maintenance and repair work, so that downtimes caused by necessary work can be kept very short.
- the drain chambers each have a flap which is arranged between the partition and the outer wall of the drain chamber and can be actuated from the outside.
- This flap enables gas-tight closing of the pumping tanks.
- MAK max. Workplace concentrations
- the level difference between the liquids between the tank and the pumping tank can be kept very small, so that shorter piping and a lower energy input when pumping the treatment medium is possible.
- the pumps are arranged in the immediate vicinity of the tanks or the pumping tanks.
- a method according to the invention for converting a treatment device for cleaning a metal strip by means of a treatment liquid, in particular a pickling liquid, the metal strip preferably being guided horizontally through at least one tank, in particular a deep tank, for holding the treatment liquid, is composed of the following features:
- the existing tanks in particular deep tanks of a deep tank belt cleaning system, are removed.
- One flat tank and one or more pumping tanks are installed instead of the removed tank.
- the deep tanks are replaced by the advantageous flat tanks and the treatment result is improved.
- the common arrangement, the pumping pump or pumps being arranged directly below the flat tank, offers advantages for the conversion process in addition to the operational advantages.
- the described method for the conversion is characterized by a small space requirement and small necessary structural changes or extensions, since no additional space requirement arises from the conversion. Due to the lower structural measures, shorter and less expensive renovation phases realizable. A shorter assembly phase can also be achieved by combining components.
- Fig.1 Arrangement of the facilities of the treatment plant
- Fig.2 Detail from Fig. 1 to the facilities of the treatment plant
- Fig. 3 sectional view of the treatment plant in a preferred embodiment
- Fig. 4 sectional view of the treatment plant in a further preferred embodiment
- a treatment device is shown schematically and in sections in elevation.
- two pumping tanks 3 are arranged on a support structure, only indicated here. These pumping tanks 3 are positioned directly under the tank 1.
- the tank 1 serves to hold the treatment liquid, preferably a pickling liquid.
- a metal strip 2 to be treated is passed through the tank 1, essentially horizontally, the metal strip 2 being cleaned by the interaction with the treatment liquid.
- Protective devices 7 for protecting the tank 1 from damage by the metal strip 2 are arranged in the tank 1.
- Drainage chambers 4 are arranged at the inlet and outlet of the tank 1 and also hold the squeeze rollers 5.
- the pumping tanks 3, arranged directly below the tank 1, are connected to the tank 1 via the outlet chambers 4 and a centrally arranged outlet 6.
- the drain chambers 4 are each connected to a pumping tank 3 via lines 8.
- the drain 6 and the lines 8 are designed in such a way that changes in length due to thermal conditions can be accommodated in the device parts.
- the amounts of liquid are indicated via the liquid level.
- the tank 1 has a bottom 9 that slopes towards the outlet 6, which ensures that when the tank 1 is emptied, no residues of the treatment liquid remain in the tank 1.
- FIG. 2 shows an enlarged detail from FIG. 1.
- flaps 10 which can be actuated from the outside and which are gas-tight and which are arranged between a partition 11 and the outer wall 12 of a drainage chamber 4.
- FIG. 3 shows a preferred embodiment of the device according to the invention in a sectional view, corresponding to the cut A-A indicated in FIG. 1.
- the tank 1 and the preferably two pumping chambers 3 are designed as one unit.
- the tank 1 has a cover 13 for gas-tight sealing.
- Tank 1 and Umpumptanks 3 are connected via a connecting line 14.
- the pumping tanks each have at least one manhole or cleaning opening 15 and at least one emptying nozzle 16.
- the bottom 17 has a gradient leading to the emptying nozzle, this gradient being oriented transversely to the running direction of the metal strip 2 and extending over the entire length of the pumping tank ,
- the tank 1 is placed on the preferably two pumping tanks 3.
- the contact surface between tank 1 and pumping tanks 3 is sealed gas-tight via seals 18.
- the tank 1 and the pumping tanks 3 are connected via a couplable line 14, whereby gas exchange is made possible.
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Cleaning In General (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0178902A AT413220B (de) | 2002-11-29 | 2002-11-29 | Verfahren und vorrichtung zur, insbesondere kontinuierlichen, oberflächenbehandlung, insbesondere zur reinigung, eines metallbandes |
AT17892002 | 2002-11-29 | ||
PCT/EP2003/009280 WO2004050953A2 (de) | 2002-11-29 | 2003-08-21 | Verfahren und vorrichtung zur, insbesondere kontinuierlichen oberflächenbehandlung, insbesondere zur reinigung, eines metallbandes |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1565595A2 true EP1565595A2 (de) | 2005-08-24 |
EP1565595B1 EP1565595B1 (de) | 2009-10-28 |
Family
ID=32398617
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03812134A Expired - Lifetime EP1565595B1 (de) | 2002-11-29 | 2003-08-21 | Verfahren zum umbau einer behandlungsvorrichtung zur reinigung eines metallbandes |
Country Status (9)
Country | Link |
---|---|
US (1) | US20060162752A1 (de) |
EP (1) | EP1565595B1 (de) |
AT (2) | AT413220B (de) |
AU (1) | AU2003260442A1 (de) |
DE (1) | DE50312073D1 (de) |
ES (1) | ES2333864T3 (de) |
PL (1) | PL206712B1 (de) |
RU (1) | RU2324768C2 (de) |
WO (1) | WO2004050953A2 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106148980B (zh) * | 2016-08-24 | 2019-09-10 | 江苏晨力环保科技有限公司 | 单张板连续密闭浸没式酸洗装置 |
CN108085705A (zh) * | 2018-01-17 | 2018-05-29 | 江阴凯皇机械科技有限公司 | 钢丝酸洗槽 |
CN112779547B (zh) * | 2021-02-01 | 2022-08-26 | 武文青 | 一种热轧镍基合金不锈钢中厚板用循环式酸洗装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2325158A (en) * | 1940-06-17 | 1943-07-27 | Goodman Mfg Co | Continuous strip pickling and cleaning device |
US3544388A (en) * | 1967-03-24 | 1970-12-01 | Hooker Chemical Corp | Method for coating metal |
CH521451A (de) * | 1970-01-22 | 1972-04-15 | Frederic Moreillon Raymond | Anlage zum Desoxydieren von Metallen |
DE2234424C3 (de) * | 1972-07-13 | 1980-10-09 | Hoechst Ag, 6000 Frankfurt | Verfahren und Vorrichtung zur einseitigen kontinuierlichen elektrolytischen Aufrauhung und/oder Oxidation von Aluminiumbändern |
DE4430567C1 (de) * | 1994-08-30 | 1996-04-04 | Sundwiger Eisen Maschinen | Vorrichtung zur Oberflächenbehandlung von Behandlungsgut mittels einer Behandlungsflüssigkeit, insbesondere Bandbeizanlage |
US5566694A (en) * | 1995-06-07 | 1996-10-22 | Allegheny Plastics, Inc. | Continuous pickling tank with expandable seals |
FR2752537B1 (fr) * | 1996-08-22 | 1998-11-13 | Kvaerner Clecim | Procede de transformation d'une installation de traitement d'un produit en bande et installation ainsi transformee |
US6016819A (en) * | 1997-04-04 | 2000-01-25 | Murray; Gordon | High turbulence multiple stage wire pickling system |
AT404472B (de) * | 1997-04-23 | 1998-11-25 | Voest Alpine Ind Anlagen | Verfahren zur nachbehandlung von gebeiztem stahlband |
AT407759B (de) * | 1997-11-28 | 2001-06-25 | Andritz Patentverwaltung | Verfahren und vorrichtung zum oberflächenbehandeln von bändern mit flüssigkeiten |
AT408765B (de) * | 1999-03-05 | 2002-03-25 | Andritz Ag Maschf | Anlage zur kontinuierlichen behandlung von stahlbändern |
DE10032717A1 (de) * | 2000-07-07 | 2002-01-17 | Sms Demag Ag | Anlage zur Oberflächenbehandlung von kontinuierlich einen Behandlungsbehälter durchlaufenden Bändern |
-
2002
- 2002-11-29 AT AT0178902A patent/AT413220B/de not_active IP Right Cessation
-
2003
- 2003-08-21 ES ES03812134T patent/ES2333864T3/es not_active Expired - Lifetime
- 2003-08-21 RU RU2005120382/02A patent/RU2324768C2/ru not_active IP Right Cessation
- 2003-08-21 DE DE50312073T patent/DE50312073D1/de not_active Expired - Lifetime
- 2003-08-21 EP EP03812134A patent/EP1565595B1/de not_active Expired - Lifetime
- 2003-08-21 AU AU2003260442A patent/AU2003260442A1/en not_active Abandoned
- 2003-08-21 AT AT03812134T patent/ATE447052T1/de active
- 2003-08-21 WO PCT/EP2003/009280 patent/WO2004050953A2/de not_active Application Discontinuation
- 2003-08-21 US US10/536,728 patent/US20060162752A1/en not_active Abandoned
- 2003-08-21 PL PL376740A patent/PL206712B1/pl unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2004050953A2 * |
Also Published As
Publication number | Publication date |
---|---|
RU2324768C2 (ru) | 2008-05-20 |
WO2004050953A2 (de) | 2004-06-17 |
ATA17892002A (de) | 2005-05-15 |
PL376740A1 (pl) | 2006-01-09 |
DE50312073D1 (de) | 2009-12-10 |
WO2004050953A3 (de) | 2004-10-21 |
ATE447052T1 (de) | 2009-11-15 |
AU2003260442A1 (en) | 2004-06-23 |
AT413220B (de) | 2005-12-15 |
ES2333864T3 (es) | 2010-03-02 |
EP1565595B1 (de) | 2009-10-28 |
PL206712B1 (pl) | 2010-09-30 |
US20060162752A1 (en) | 2006-07-27 |
RU2005120382A (ru) | 2006-02-10 |
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