EP1423220B1 - Verfahren und vorrichtung zum ableiten von ablaufwasser im innenbogen einer beam blank-giessmaschine - Google Patents

Verfahren und vorrichtung zum ableiten von ablaufwasser im innenbogen einer beam blank-giessmaschine Download PDF

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Publication number
EP1423220B1
EP1423220B1 EP02798704A EP02798704A EP1423220B1 EP 1423220 B1 EP1423220 B1 EP 1423220B1 EP 02798704 A EP02798704 A EP 02798704A EP 02798704 A EP02798704 A EP 02798704A EP 1423220 B1 EP1423220 B1 EP 1423220B1
Authority
EP
European Patent Office
Prior art keywords
beam blank
water
waste water
inner bend
profile
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.)
Expired - Lifetime
Application number
EP02798704A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1423220A1 (de
Inventor
Dirk Letzel
Herbert Brotzwi
Jürgen Friedrich
Heinz-Dietrich Schneider
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 Siemag AG
Original Assignee
SMS Demag AG
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 Demag AG filed Critical SMS Demag AG
Publication of EP1423220A1 publication Critical patent/EP1423220A1/de
Application granted granted Critical
Publication of EP1423220B1 publication Critical patent/EP1423220B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
    • B22D11/12—Accessories for subsequent treating or working cast stock in situ
    • B22D11/124—Accessories for subsequent treating or working cast stock in situ for cooling
    • B22D11/1248—Means for removing cooling agent from the surface of the cast stock

Definitions

  • the invention relates to a method and a device for draining waste water in the inner arc of the strand guide of a beam blank casting machine, wherein the drain water collecting in the inner arc of the beam blank profile in the area of a discharge device by the action of high-energy, against his Running direction of directed jets forms a back pressure, the drain water due to the dynamic pressure over the lateral profile edges of the inner arch is raised.
  • a Beam Blank caster the potted format within the Strand guide brought to fürerstarrung.
  • the first solidification takes place in the mold by heat conduction to water-cooled copper plates.
  • the beam blank profile is in produced a casting radius. Due to the principle accumulates on the inner arc of the beam blank profile drainage water. This adds up in strand withdrawal direction from nozzle row to nozzle row, and hinders the heat transfer on the one hand by spray cooling and on the other hand leads to a water accumulation the cutting machine. It is known that the excess water with a suction device and divert separately from the continuous casting plant.
  • Such a suction device on a beam blank casting machine is from the Document JP 58 15 7559 A1.
  • the cooling water remains through a knife-like inlet suction pipe taken up and by the negative pressure at the end of a round cross section sucked formed starting tube.
  • the negative pressure is caused by a concentric Jacket tube generated, in soft air vacuum at the end of the output tube flows along.
  • the suction pressure is correspondingly low and only allows to absorb the last remains of the cooling water.
  • Beam Blank-Profiles or Vorprofilstrlinde are shaped so that you Keep remaining amounts of water between the side profile edges, so that these only have to be removed between these surveys. Since the place and Space conditions are already cramped by the support roller frame, it lacks one sufficient space to devices for the removal of cooling water provided. In addition, the existing space is already used so far that additional facilities would be annoying.
  • the document JP 58 157 559 A describes an apparatus for deriving Cooling water from a profile with two lateral edges. With the help of the device cooling water is dammed up from the gutter between the side edges and to Side derived, with residual cooling water sucked by means of an ejector and is derived.
  • Document DE 835 501 C describes a method for casting a metal strand, in which the emerging from the mold strand by a on the Strand flowing down liquid coolant is cooled, the coolant in a spaced from the mold, traversed by the strand, collected against the coolant outlet cup-shaped container becomes. Part of the compressed air blows through an annular gap in the chamber and tears off the coolant emerging from the annular gap from the metal strand, so that it can drain off the conical bottom through a pipe.
  • the document DE 976 189 discloses a method for controlling the cooling of blocks produced by the continuous casting process, which are initially indirect in the mold and then immediately cooled, where the immediate Cooling of the blocks is stopped before this one the occurrence of strong Achieve voltages enabling temperature.
  • the exclusively by means cooling liquid flowing downwards along the surface of the blocks Immediate cooling is achieved by immediately draining the entire coolant by means of the blocks leaving crevices enclosing collecting plates and one through the gaps against the flow direction of the cooling liquid passed through gaseous agent broken off.
  • the invention has the object based, a method and an apparatus for draining drain water from the inner arc of a beam blank profile to create the tight conditions meets pre-profile casting lines and at the same time a ensures extensive removal of the effluent residual water.
  • the problem is in a method for draining drain water from the Inner arc of the strand guide of a Beam Blank casting machine, according to the Preamble of claim 1 according to the invention solved by that the effluent water is discharged into an underlying Sinterrinne and the wastewater collected in the sintering trough for treatment in the water industry passed the system and returned to the casting machine.
  • the invention utilizes the open water present by the cooling with the the transfer point to the discharge device available jet pressure.
  • the rays of this medium emitted from bundle nozzles lift up the im Inner arc of the beam blank profile gently flowing drain water on and Guides it over the edges of the Beam Blank profile to drain into the underneath Scale flume. This has the advantage that the flange edges of the Beam blank profiles by draining the water no undefined cooling Experienced.
  • the drain water After lifting the drainage water over the lateral edges of the beam Blank profile, the drain water flows controlled into the discharge device. That so discharged water flows into the underlying sintering trough. Their job is in collecting the drainage water, the scale and the foundry powder residues from the cooling process in the casting arc.
  • the sintering trough is seen in the longitudinal section of such a system below the G confusebogens arranged and formed in such a width that they from the G confusebogen falling water, which with scale and G manpulver Wegwalln enriched as much as possible.
  • the collected and with Solids contaminated cooling water is processed in the water management of the system and then returned again as cooling water of the Beam Blank casting machine.
  • a device for draining drainage water from the inner arc of the strand guide a beam blank casting machine for carrying out the method comprises a discharge device at the bottom of the inner arc of the strand guide between lateral edges of the beam blank profile, wherein the discharge device guided in height adjustable in guide rails and to a supply pipe for a Pressure medium is connected to generate the nozzle jets, and jet nozzles for emitting the drainage water in the inner arc of the beam blank profile oppositely directed high-energy nozzle jets are arranged.
  • a sintering trough is located in a region below the discharge device for catching from the inner arch of the beam blank profile overflowing Downstream arranged, which provided with at least one drainage member this is advantageous with a cleaning and water recycling system the water industry is connected.
  • a Beam Blank casting machine can be used with any type of casting machine Be provided number of casting strands. Will a Beam Blank Caster for designed several casting formats, so the discharge device with a replaceable head equipped. Depending on the format to be cast, the dimensions will be one the beam blank tuned nozzle assembly / Ableitan Aunt provided in any case, this to the beam blank in a defined position must be brought. As a result, the discharge device can also by means of Roll positioned offset from the inner bow. Here, the process engineering optimal position are used.
  • Figure 1 is a side view of a beam blank casting machine to see, with a Mold 2, a strand guide 3, with guide rollers and with spray nozzles 5, the cooling water between the rollers of the strand guide 3 for cooling the cast Beam blanks, e.g. a Vorprofil for the Suspray supply.
  • the The Spotify cooling water collects in the inner arc of the strand guide 3 and runs in the inner bow 4 of the Beam Blank profile on the bridge between the lateral profile edges 11 in strand withdrawal direction.
  • the drainage water adds in strand withdrawal direction from nozzle row to nozzle row and hinders the one hand, the heat transfer by spray cooling and leads on the other hand, to a water accumulation, the controlled cooling of the Beam blanks obstructed.
  • the drain water by means of a discharge device. 6 from the surface of the beam blanks in the area of the Beam Blank inner arc 4 derived.
  • the drain water 7 of the discharge is in a below the strand guide arranged sintering 9 collected and is from the Sinterrinnne 9 by means of a Wegorgangs 20 for treatment in the water industry directed the investments and of this u.a. to the water cooler the beam blank casting machine returned, which is not shown in detail is.
  • the discharge device 6 is, as Figure 2 reveals, in the lower region of the Inner arc of the strand guide 3 and there between the lateral profile edges 11 of the beam blank profile, the so-called "Tips", height adjustable between Guide rails 19 arranged.
  • a supply line 18 for the pressure medium 15 with a pipe bend in a guide 17 also guided adjustable in height.
  • the height adjustment of the discharge device is provided, depending on the type and amount of the drain water 7 to regulate an optimal flow function and to ensure this.
  • FIG. 2 also shows purely schematically that the discharge device 6 for dividing the drainage water 7 from the upper profile cross-section 10 of Beam blank with nozzles for the formation of hard high-energy jet nozzles 13, 14 is abandoned briefly and to support the function of the jets is provided with mudguards 21 on the profile edges 11.
  • the high-energy Nozzle jets are directed against the drainage direction of the drainage water and lift the drainage water over the side by forming a back pressure Profile edges 11 of the inner arc of the beam blank profile, so that the Drain water into the arranged below sintering channel 9 (see Figure 1) can.
  • pressurized water is used for generating the nozzle jets 13, 14, pressurized water is used. According to the invention, however, it is also provided that for generating the nozzle jets 13, 14 air or an air / water mixture can be used.
  • Figure 3 shows the cross section of a beam blank profile with its web 12 and its lateral profile edges 11. From spray water nozzles 5 are cooling Nozzle jets 5 'passed to the beam blank profile. It can be seen that collects the drain water 7 on top of the web 12 and from this in Strand guiding direction runs down.
  • Figure 4 shows a plan view of the measures for the discharge of the drain water 7 from the land area 12 of the beam blank profile.
  • pressurized water fed to the jet nozzles 8 via the pressure water connection 15.
  • the high-energy nozzle jets 13, 14 are against the flow direction of the Downstream 7 directed and the beam energy is such that the Drainage is slightly raised and lateral over the profile edges 11 of the Beam blank profile is derived.
  • FIG. 5 shows a perspective view of a piece of a beam blank profile in cross section 10 with the profile edges or "Tips" 11 and the connecting Middle web 12, and with a nozzle assembly 8 for generating the Nozzle jets, obliquely opposite to the surge of drainage water 7.
  • the method and the device according to the invention are not on the above described embodiment, but also include Further variants, provided that they satisfy the inventive concept.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Spray Control Apparatus (AREA)
  • Cleaning In General (AREA)
EP02798704A 2001-09-05 2002-09-02 Verfahren und vorrichtung zum ableiten von ablaufwasser im innenbogen einer beam blank-giessmaschine Expired - Lifetime EP1423220B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10143419A DE10143419A1 (de) 2001-09-05 2001-09-05 Verfahren und Vorrichtung zum Ableiten von Ablaufwasser im Innenbogen einer Beam-Blank-Gießmaschine
DE10143419 2001-09-05
PCT/EP2002/009779 WO2003024647A1 (de) 2001-09-05 2002-09-02 Verfahren und vorrichtung zum ableiten von ablaufwasser im innenbogen einer beam blank-giessmaschine

Publications (2)

Publication Number Publication Date
EP1423220A1 EP1423220A1 (de) 2004-06-02
EP1423220B1 true EP1423220B1 (de) 2005-11-16

Family

ID=7697740

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02798704A Expired - Lifetime EP1423220B1 (de) 2001-09-05 2002-09-02 Verfahren und vorrichtung zum ableiten von ablaufwasser im innenbogen einer beam blank-giessmaschine

Country Status (10)

Country Link
US (1) US20040255987A1 (enrdf_load_stackoverflow)
EP (1) EP1423220B1 (enrdf_load_stackoverflow)
JP (1) JP4325992B2 (enrdf_load_stackoverflow)
KR (1) KR100923269B1 (enrdf_load_stackoverflow)
CN (1) CN1267218C (enrdf_load_stackoverflow)
AT (1) ATE309876T1 (enrdf_load_stackoverflow)
DE (2) DE10143419A1 (enrdf_load_stackoverflow)
RU (1) RU2293623C2 (enrdf_load_stackoverflow)
UA (1) UA77698C2 (enrdf_load_stackoverflow)
WO (1) WO2003024647A1 (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011526205A (ja) * 2008-06-06 2011-10-06 ノベリス・インコーポレイテッド 水ジェットを用いた、インゴットから冷却水を取り除く方法および装置
EP2226139B1 (de) * 2009-03-07 2016-09-28 SMS Concast AG Stranggiessverfahren und Vorrichtung zur Erzeugung von Vorprofilen, insbesondere Doppel-T-Vorprofilen
KR101278002B1 (ko) * 2011-06-29 2013-06-27 현대제철 주식회사 냉각수 수절장치
CN104999046B (zh) * 2015-07-23 2018-01-23 内蒙古包钢钢联股份有限公司 一种异型坯连铸机及异型坯连铸二次冷却吹水方法
CN106541100B (zh) * 2017-01-23 2018-12-14 中冶赛迪工程技术股份有限公司 H型坯连铸机内弧驱水装置
CN110538974A (zh) * 2019-06-21 2019-12-06 中达连铸技术国家工程研究中心有限责任公司 一种分段式连铸板坯表面快冷装置和方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE835501C (de) * 1942-02-25 1952-03-31 Wieland Werke Ag Verfahren und Vorrichtung zum stetigen Giessen von Metallstraengen
DE976189C (de) * 1944-12-13 1963-04-25 Beteiligungs & Patentverw Gmbh Verfahren zum Regeln der Abkuehlung von nach dem Stranggiessverfahren hergestellten Bloecken
US2705353A (en) * 1952-04-04 1955-04-05 Kaiser Aluminium Chem Corp Method of continuous casting
GB1123716A (en) * 1966-02-26 1968-08-14 G Sojuzny I Projektirovanya Me Improvements in or relating to the removing of cooling liquid from the surface of a casting below the secondary cooling zone of a continuous metal casting machine
JPS58157559A (ja) * 1982-03-12 1983-09-19 Mitsubishi Heavy Ind Ltd ビ−ムブランク形連鋳片の冷却水排除装置
RU2086349C1 (ru) * 1993-12-30 1997-08-10 Акционерное общество открытого типа "Северсталь" Способ вторичного охлаждения заготовок в машинах непрерывного литья криволинейного типа и устройство для его осуществления
ES2094686B1 (es) * 1994-07-07 1997-12-16 Siderurgica Aristrain Madrid S Proceso de colada continua.
JP3114000B2 (ja) * 1994-10-12 2000-12-04 新日本製鐵株式会社 連続鋳造設備

Also Published As

Publication number Publication date
CN1551812A (zh) 2004-12-01
CN1267218C (zh) 2006-08-02
WO2003024647A8 (de) 2004-02-26
RU2293623C2 (ru) 2007-02-20
WO2003024647A1 (de) 2003-03-27
DE50204965D1 (de) 2005-12-22
RU2004110044A (ru) 2005-10-10
EP1423220A1 (de) 2004-06-02
UA77698C2 (en) 2007-01-15
KR100923269B1 (ko) 2009-10-23
DE10143419A1 (de) 2003-03-20
JP2005502474A (ja) 2005-01-27
JP4325992B2 (ja) 2009-09-02
ATE309876T1 (de) 2005-12-15
US20040255987A1 (en) 2004-12-23
KR20040031058A (ko) 2004-04-09

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