EP1423220A1 - Method and device for draining waste water in the inner bend of a beam blank casting machine - Google Patents
Method and device for draining waste water in the inner bend of a beam blank casting machineInfo
- Publication number
- EP1423220A1 EP1423220A1 EP02798704A EP02798704A EP1423220A1 EP 1423220 A1 EP1423220 A1 EP 1423220A1 EP 02798704 A EP02798704 A EP 02798704A EP 02798704 A EP02798704 A EP 02798704A EP 1423220 A1 EP1423220 A1 EP 1423220A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- water
- beam blank
- profile
- waste water
- jets
- 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
- 238000005266 casting Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000002351 wastewater Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 3
- 238000005245 sintering Methods 0.000 claims description 14
- 239000000498 cooling water Substances 0.000 claims description 11
- 239000000203 mixture Substances 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims description 2
- 238000004064 recycling Methods 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- 238000001816 cooling Methods 0.000 description 10
- 239000007921 spray Substances 0.000 description 8
- 238000009825 accumulation Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000009749 continuous casting Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
Classifications
-
- 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 curve of the strand guide of a beam blank casting machine.
- the cast format is solidified within the strand guide.
- the initial solidification takes place in the mold by heat conduction on water-cooled copper plates. Further heat dissipation is achieved within the strand guide by means of roller contact, heat dissipation via spray water nozzles and heat radiation.
- the beam blank profile is produced in a casting radius.
- drain water collects on the inside of the Beam Blank profile. This adds up in the strand withdrawal direction from row of nozzles to row of nozzles, and on the one hand hinders heat transfer by spray cooling and on the other hand leads to water accumulation in front of the flame cutting machine. It is known to absorb excess water with a suction device and to separate it from the continuous caster.
- Such a suction device on a beam blank casting machine is known from document JP 58 15 7559 A1.
- the cooling water residues are taken up by a knife-shaped inlet suction pipe and sucked by the negative pressure at the end of an outlet pipe formed with a round cross section.
- the negative pressure is generated by a concentric jacket tube, in which negative air pressure flows along the end of the outlet tube.
- the suction pressure is correspondingly low and only allows the last remnants of the cooling water to be sucked up.
- an inclined surface for draining larger quantities of residual cooling water is arranged above the inlet suction pipe, which divides in opposite transverse directions above the inlet suction pipe, so that cooling water residues run off on both sides of the casting strand and have to be collected separately.
- beam blank profiles or pre-profile strands are shaped in such a way that they hold residual water between the side profile edges so that they only have to be removed between these elevations. Since the space and space are already cramped by the support roller frame, there is insufficient space to provide devices for removing the cooling water. In addition, the existing space is already being used to such an extent that additional facilities would only be disruptive.
- the present invention is therefore based on the object of providing a method and a device for discharging waste water from the inner bend of a beam blank profile, which does justice to the narrow structural conditions in pre-profile strand casting systems and at the same time ensures that the amounts of residual water running off are largely removed ,
- the stated object is achieved according to the invention in a method for draining waste water from the inner curve of the strand guide of a beam blank casting machine according to the preamble of claim 1 in that the waste water collecting in the inner curve of the beam blank profile in the area of a discharge device by the action of high-energy, jet jets directed against its direction of travel are raised to form a dynamic pressure over the lateral profile edges of the inner curve and are guided into a sintering channel arranged underneath.
- the invention uses the open water available for cooling with the jet pressure available at the transfer point to the discharge device.
- the rays of this medium imitated from bundle nozzles lift the of the beam blank profile, the drain water flowing in easily and guide it over the edges of the beam blank profile to the drain into the sintering channel arranged underneath.
- the main advantage results from the fact that the flange edges of the beam blank profile do not experience undefined cooling when the water is drained off.
- pressurized water be used to generate the nozzle jets.
- air or an air / water mixture can also advantageously be used to generate the jet streams.
- the drain water After lifting the drain water over the side edges of the beam blank profile, the drain water flows into the drainage device in a controlled manner. The water discharged in this way flows into the sintering channel below.
- the task of the sintering gutter is to collect the waste water, the scale and the casting powder residues from the cooling process in the casting arch. Seen in the longitudinal section of such a system, it is arranged below the casting curve and is provided in such a width that it can collect as much as possible of the water falling from the casting curve, which is enriched with scale and casting powder residues.
- the collected cooling water which is contaminated with solids, is processed in the water management of the system and then returned to the beam blank casting machine as cooling water.
- a device for draining waste water from the inner bend of the strand guide of the beam blank casting machine for carrying out the method comprises a diverter on the lower region of the inner bend of the strand guide between the lateral edges of the beam blank profile, the diverter being guided in height-adjustable manner in guide rails and attached to one Supply pipe for a pressure medium for generating the jet streams is connected.
- the drainage device for the waste water is advantageously provided in the lower part of the casting curve for functional reasons and for reasons of space.
- cooling water nozzles are provided for spraying the strand guide and jet nozzles for imitating the direction of the drain water are arranged in the inner bend of the beam blank profile in the direction of high-energy nozzle jets.
- jet nozzles are used to generate water jets, for example in the range of approximately 10 bar or to generate air jets or jet jets with a water / air mixture, for example in the range of approximately 6 bar.
- a sintering gutter for collecting drain water overflowing from the inner arch of the beam blank profile is arranged in an area below the discharge device, which is provided with at least one drain element, this advantageously with a cleaning and water recycling system Water management related.
- a beam blank casting machine can be provided with any number of casting strands, depending on the casting format. If a beam blank casting machine is designed for several casting formats, the discharge device is equipped with an interchangeable head. Depending on the format to be cast, a nozzle arrangement / discharge arrangement which is matched to the dimensions of the beam blank is provided, and in any case this must be brought into a defined position relative to the beam blank. As a result, the discharge device can also be positioned offset from the inner arch by means of a roller. The optimal position in terms of process technology can be used.
- the diverting device is located on the lower region of the inner curve of the beam blank profile, between whose lateral edge profiles are adjustable in height, guided between guide rails and a feed line for a pressure medium, also adjustable in height, is arranged at the upper end.
- Mudguards are expediently provided on the edges of the beam blank profile in the area of the diverter.
- FIG. 1 shows a side view of a beam blank casting machine, comprising a mold and underneath a strand guide with an inner bend and with a discharge device for drain water arranged therein and with a sintering channel underneath,
- FIG. 2 the side view of the beam blank inside bank with the deflection device arranged therein
- FIG. 3 shows the beam blank profile in cross section of a water outlet flow and upper discharge jet nozzles and lower nozzle jets for uniform cooling
- FIG. 4 shows a top view of an area of the discharge device with drain water and opposing spray jets
- FIG. 5 shows a perspective view of a section of the beam blank.
- a beam blank casting machine can be seen in side view, with a mold 2, a strand guide 3, with guide rollers and with spray water nozzles 5, the cooling water between the rollers of the strand guide 3 for cooling the cast beam blank, for example a preliminary profile for the beam rolling nozzles.
- the sprayed cooling water collects in the inner arch of the strand guide 3 and runs in the inner arch 4 of the beam blank profile on the web between the lateral profile edges 11 in the strand withdrawal direction.
- the drain water adds up in the strand withdrawal direction from row of nozzles to row of nozzles and on the one hand hinders the heat transfer by spray cooling and on the other hand leads to water accumulation which hinders a controlled cooling of the beam blank.
- the drain water is drained off from the surface of the beam blank in the area of the beam blank inner arc 4 by means of a drainage device 6.
- the drain water 7 of the drainage device is collected in a sintering channel 9 arranged underneath the strand guide and is led out of the sintering channel 9 by means of an outlet process 20 for treatment into the water management of the system and from this, among other things. returned to the water cooling device of the beam blank casting machine, which is not shown in detail.
- the deflection device 6, as can be seen in FIG. 2, is arranged in the lower region of the inner curve of the strand guide 3 and there between the lateral profile edges 11 of the beam blank profile, the so-called “tips”, between the guide rails 19, adjustable in height.
- a feed line 18 for the pressure medium 15 is also guided in a height-adjustable manner with a pipe bend in a guide 17.
- the height adjustment of the discharge device is provided in order to regulate an optimal drain function depending on the type and amount of drain water 7 and thus to ensure this.
- the discharge device 6 is designed to discharge the drain water 7 from the upper profile cross section 10 of the beam blank with nozzles for forming hard, high-energy nozzle streams 13, 14 and to support the function of the nozzle jet.
- len is provided with fenders 21 on the profile edges 11.
- the high-energy jet jets are directed against the discharge direction of the discharge water and raise the discharge water over the lateral profile edges 11 of the inner bend of the beam blank profile, with the formation of a dynamic pressure, so that the discharge water can flow off into the sintering channel 9 arranged below (see FIG. 1) , Pressurized water is used to generate the jet streams 13, 14.
- air or an air / water mixture can be used to generate the nozzle jets 13, 14.
- FIG. 3 shows the cross section of a beam blank profile with its web 12 and its lateral profile edges 11. Cooling nozzle jets 5 'are directed onto the beam blank profile from spray water nozzles 5. It can be seen that the drain water 7 collects on the upper side of the web 12 and runs downwards from it in the strand guide direction.
- Figure 4 shows a plan view of the measures for draining the drain water 7 from the land area 12 of the beam blank profile.
- pressurized water is fed to the jet nozzles 8 via the pressurized water connection 15.
- the high-energy jet jets 13, 14 are directed against the discharge direction of the drain water 7 and the jet energy is dimensioned such that the drain water is raised somewhat and is discharged laterally over the profile edges 11 of the beam blank profile.
- 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 central web 12, as well as with a nozzle arrangement 8 for generating the nozzle jets, obliquely opposing the surge of drain water 7th
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Spray Control Apparatus (AREA)
- Cleaning In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10143419 | 2001-09-05 | ||
DE10143419A DE10143419A1 (en) | 2001-09-05 | 2001-09-05 | Removal of water draining down inner curve of continuously-cast I-beam preform profile, uses opposed jets to raise water for collection in sinter channel |
PCT/EP2002/009779 WO2003024647A1 (en) | 2001-09-05 | 2002-09-02 | Method and device for draining waste water in the inner bend of a beam blank casting machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1423220A1 true EP1423220A1 (en) | 2004-06-02 |
EP1423220B1 EP1423220B1 (en) | 2005-11-16 |
Family
ID=7697740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02798704A Expired - Lifetime EP1423220B1 (en) | 2001-09-05 | 2002-09-02 | Method and device for draining waste water in the inner bend of a beam blank casting machine |
Country Status (10)
Country | Link |
---|---|
US (1) | US20040255987A1 (en) |
EP (1) | EP1423220B1 (en) |
JP (1) | JP4325992B2 (en) |
KR (1) | KR100923269B1 (en) |
CN (1) | CN1267218C (en) |
AT (1) | ATE309876T1 (en) |
DE (2) | DE10143419A1 (en) |
RU (1) | RU2293623C2 (en) |
UA (1) | UA77698C2 (en) |
WO (1) | WO2003024647A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090301683A1 (en) * | 2008-06-06 | 2009-12-10 | Reeves Eric W | Method and apparatus for removal of cooling water from ingots by means of water jets |
EP2226139B1 (en) * | 2009-03-07 | 2016-09-28 | SMS Concast AG | Continuous casting method and device for creating preliminary forms, in particular double-t preliminary forms |
KR101278002B1 (en) * | 2011-06-29 | 2013-06-27 | 현대제철 주식회사 | Apparatus for removing cooling water remained |
CN104999046B (en) * | 2015-07-23 | 2018-01-23 | 内蒙古包钢钢联股份有限公司 | A kind of special-shaped billet continuous casting machine and casting for shaped blank continuous secondary cooling blows water method |
CN106541100B (en) * | 2017-01-23 | 2018-12-14 | 中冶赛迪工程技术股份有限公司 | H-type billet continuous casting machine inner arc expelling water device |
CN110538974A (en) * | 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 | Sectional type continuous casting slab surface rapid cooling device and method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE835501C (en) * | 1942-02-25 | 1952-03-31 | Wieland Werke Ag | Method and device for continuous casting of metal bars |
DE976189C (en) * | 1944-12-13 | 1963-04-25 | Beteiligungs & Patentverw Gmbh | Process for regulating the cooling of blocks produced by the continuous casting process |
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 (en) * | 1982-03-12 | 1983-09-19 | Mitsubishi Heavy Ind Ltd | Removing device of cooling water from continuous casting ingot of beam blank type |
ES2094686B1 (en) * | 1994-07-07 | 1997-12-16 | Siderurgica Aristrain Madrid S | CONTINUOUS CASTING PROCESS. |
JP3114000B2 (en) * | 1994-10-12 | 2000-12-04 | 新日本製鐵株式会社 | Continuous casting equipment |
-
2001
- 2001-09-05 DE DE10143419A patent/DE10143419A1/en not_active Withdrawn
-
2002
- 2002-02-09 UA UA2004042507A patent/UA77698C2/en unknown
- 2002-09-02 WO PCT/EP2002/009779 patent/WO2003024647A1/en active IP Right Grant
- 2002-09-02 DE DE50204965T patent/DE50204965D1/en not_active Expired - Lifetime
- 2002-09-02 KR KR1020047003344A patent/KR100923269B1/en not_active IP Right Cessation
- 2002-09-02 US US10/488,903 patent/US20040255987A1/en not_active Abandoned
- 2002-09-02 RU RU2004110044/02A patent/RU2293623C2/en not_active IP Right Cessation
- 2002-09-02 CN CNB028173333A patent/CN1267218C/en not_active Expired - Fee Related
- 2002-09-02 AT AT02798704T patent/ATE309876T1/en active
- 2002-09-02 JP JP2003528336A patent/JP4325992B2/en not_active Expired - Fee Related
- 2002-09-02 EP EP02798704A patent/EP1423220B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO03024647A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2005502474A (en) | 2005-01-27 |
KR100923269B1 (en) | 2009-10-23 |
UA77698C2 (en) | 2007-01-15 |
US20040255987A1 (en) | 2004-12-23 |
WO2003024647A8 (en) | 2004-02-26 |
RU2293623C2 (en) | 2007-02-20 |
CN1267218C (en) | 2006-08-02 |
ATE309876T1 (en) | 2005-12-15 |
WO2003024647A1 (en) | 2003-03-27 |
JP4325992B2 (en) | 2009-09-02 |
DE10143419A1 (en) | 2003-03-20 |
KR20040031058A (en) | 2004-04-09 |
EP1423220B1 (en) | 2005-11-16 |
RU2004110044A (en) | 2005-10-10 |
DE50204965D1 (en) | 2005-12-22 |
CN1551812A (en) | 2004-12-01 |
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