EP0064771A2 - Tube de refroidissement à pression pour le refroidissement intensif d'un produit laminé - Google Patents

Tube de refroidissement à pression pour le refroidissement intensif d'un produit laminé Download PDF

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Publication number
EP0064771A2
EP0064771A2 EP82104193A EP82104193A EP0064771A2 EP 0064771 A2 EP0064771 A2 EP 0064771A2 EP 82104193 A EP82104193 A EP 82104193A EP 82104193 A EP82104193 A EP 82104193A EP 0064771 A2 EP0064771 A2 EP 0064771A2
Authority
EP
European Patent Office
Prior art keywords
cooling
cooling tube
rolling
pressure cooling
nozzle
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
Application number
EP82104193A
Other languages
German (de)
English (en)
Other versions
EP0064771A3 (en
EP0064771B1 (fr
Inventor
Franz Tamm
Günther Friese
Siegbert Arndt
Hartmut Blank
Bernhard Höricke
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.)
Hennigsdorfer Stahl Engineering Te Hennigsdor GmbH
Original Assignee
VEB STAHL- und WALZWERK "WILHELM FLORIN" HENNINGSDORF
FLORIN STAHL WALZWERK
VEB Stahl- und Walzwerk "Wilhelm Florin" Hennigsdorf
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 VEB STAHL- und WALZWERK "WILHELM FLORIN" HENNINGSDORF, FLORIN STAHL WALZWERK, VEB Stahl- und Walzwerk "Wilhelm Florin" Hennigsdorf filed Critical VEB STAHL- und WALZWERK "WILHELM FLORIN" HENNINGSDORF
Priority to AT82104193T priority Critical patent/ATE15615T1/de
Publication of EP0064771A2 publication Critical patent/EP0064771A2/fr
Publication of EP0064771A3 publication Critical patent/EP0064771A3/de
Application granted granted Critical
Publication of EP0064771B1 publication Critical patent/EP0064771B1/fr
Expired legal-status Critical Current

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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
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0224—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for wire, rods, rounds, bars

Definitions

  • the invention relates to a pressure cooling tube for the direct intensive cooling of rolling stock from the rolling heat, the cooling water being fed in via nozzle heads and being partially discharged via a storage chamber.
  • Such cooling pipes are particularly suitable for cooling fine steel and wire from the rolling heat at high rolling speeds.
  • the co-countercurrent cooling tube in which the pressurized water is fed to the ends of the cooling tube and discharged in the middle via a storage chamber, is suitable for larger rolling dimensions and low rolling speeds, but for thin rolling dimensions and high rolling speeds it is due to the counterflow component, which has considerable braking forces on the Roll wire brings, not applicable, because the roll wires buckle.
  • the countercurrent cooling tube offers undisputed advantages when cooling thin roll dimensions with high rolling speeds, but in the known solutions the discharge of the pressurized water is inadequate, so that with the previously used direct current pipes the practically achievable rolling speeds are limited, which are below the values achieved in normal operation without a cooling system .
  • Pressurized water which emerges at the end of the cooling pipe in the rolling line, leads to a braking effect on the wire in all cases, regardless of whether the escaping water builds up in front of the subsequent cooling pipe or on End of the cooling section loses speed.
  • this water emerging at the ends of the cooling tube leads to undefined cooling, which reduces the quality of the cooled material.
  • the invention has for its object to develop a cooling tube with which thin rolling stock dimensions, such as steel bars and wire, are intensively cooled at high rolling speeds, and in which both the improved inflow conditions of the cooling medium on the inlet side and a water deflection system on the outlet side the transverse or counter forces acting on the rolling core are kept extremely low.
  • this object is achieved in that deflection chambers are arranged downstream of the storage chamber, which have guide funnels, on the one hand to guide the rolling wire and on the other hand to allow the cooling medium to be deflected.
  • leading baffles are arranged in front of these guide funnels close above the roller core.
  • the lead Sheets open supply lines for a liquid and / or gaseous stripping medium.
  • Another feature of the invention is that at least two nozzle heads are arranged one behind the other, the nozzle bores of the nozzle heads arranged in different feed planes lying on partial circles of different diameters and that the nozzle bores in the different feed planes are at an angle of 30 ° to 0 ° to one another.
  • an adjustable guide tube protruding into the nozzle heads is arranged at the inlet of the pressure cooling tube.
  • a flow funnel is arranged between the nozzle head and the pressure cooling tube.
  • the coolant flows do not influence one another; a maximum throughput quantity and thus an increase in the speed of the cooling medium are achieved.
  • On the outlet side of the pressure cooling tube it is achieved that the cooling medium escaping at high speed is deflected very quickly out of the rolling line in order to prevent it from reaching downstream facilities and exerting a braking effect on the rolling core.
  • Fig. 1 shows a cross section through the pressure cooling tube according to the invention.
  • the nozzle heads 1 and 2 are located in two different feed levels and have nozzle bores 4 which lie on partial circles of different diameters.
  • the nozzle bores 4 in the two feed levels can form an angle of 30 ° to 0 ° to one another.
  • a flow funnel 13 Downstream of the nozzle heads 1 and 2 is a flow funnel 13 which has an inlet that is favorable in terms of flow of the cooling medium.
  • the guide tube 12 passing through the nozzle heads 1 and 2 and projecting into the flow funnel 13 brings about an improved roll-in inlet as a result of a reduction in the transverse forces of the cooling medium acting on the roll-out.
  • part of the cooling medium flows into the prechamber 11 via a storage chamber 5 and a return flow pipe 10 in order to prevent air intake at the inlet of the pressure cooling pipe 3.
  • the cooling medium is deflected out of the cooling line in the shortest possible way by the deflection chambers 6 arranged downstream of the accumulation chamber 5. without significant forces acting on the roll core.
  • closing baffles 7 are arranged at the top, so that the remaining cooling medium is prevented from escaping upwards and can exit openly at the bottom.
  • a liquid and / or gaseous stripping medium is introduced from above via feed lines 9 opening into the guide plates 7, as a result of which the downward deflection of the cooling medium is increased.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Metal Rolling (AREA)
EP82104193A 1981-05-13 1982-05-13 Tube de refroidissement à pression pour le refroidissement intensif d'un produit laminé Expired EP0064771B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82104193T ATE15615T1 (de) 1981-05-13 1982-05-13 Druckkuehlrohr zur direkten intensivkuehlung von walzgut.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DD22990281 1981-05-13
DD229902 1981-05-13

Publications (3)

Publication Number Publication Date
EP0064771A2 true EP0064771A2 (fr) 1982-11-17
EP0064771A3 EP0064771A3 (en) 1983-03-16
EP0064771B1 EP0064771B1 (fr) 1985-09-18

Family

ID=5530879

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82104193A Expired EP0064771B1 (fr) 1981-05-13 1982-05-13 Tube de refroidissement à pression pour le refroidissement intensif d'un produit laminé

Country Status (3)

Country Link
EP (1) EP0064771B1 (fr)
AT (1) ATE15615T1 (fr)
DE (1) DE3266328D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0287503A2 (fr) * 1987-03-13 1988-10-19 Walter Dipl.-Ing. Krenn Procédé et groupe frigorifique de pression pour refroidir un produit continu
DE3837302A1 (de) * 1988-06-16 1989-12-21 Florin Stahl Walzwerk Kuehlrohr fuer walzadern
DE4444106C1 (de) * 1994-12-10 1996-02-29 Hennigsdorfer Stahl Engineerin Einrichtung für eine Druckwasserableitung
DE19718530A1 (de) * 1997-05-02 1998-11-12 Schloemann Siemag Ag Verfahren und Kühlaggregat zum Kühlen von walzwarmem Walzgut, insbesondere von Warmbreitband
CN113369317A (zh) * 2021-06-02 2021-09-10 广东韶钢松山股份有限公司 一种高效水冷喷嘴

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044098A (en) * 1959-06-02 1962-07-17 United States Steel Corp Apparatus for cleaning wire rod
DE2121712A1 (de) * 1970-06-05 1971-12-09 Thaelmann Schwermaschbau Veb Einrichtung zum kuehlen von stabstahl
DE1777343A1 (de) * 1967-02-08 1972-08-31 Schloemann Ag Einrichtung zum Entfernen von Kuehlwasser in einer Wasserkuehleinrichtung fuer schnellaufenden Walzdraht
FR2267165A1 (fr) * 1974-04-10 1975-11-07 Florin Stahl Walzwerk
DE2556383A1 (de) * 1975-03-26 1976-10-07 Thaelmann Schwermaschbau Veb Einrichtung zum kuehlen von stabstahl
EP0013230A1 (fr) * 1978-12-26 1980-07-09 INSTITUT DE RECHERCHES DE LA SIDERURGIE FRANCAISE (IRSID) France Dispositif pour éliminer un liquide de la surface d'un produit long en défilement
DD147506A1 (de) * 1979-11-29 1981-04-08 Bernhard Hoericke Druckkuehlrohr zum direkten kuehlen von waermgut,vorzugsweise walzmaterial

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044098A (en) * 1959-06-02 1962-07-17 United States Steel Corp Apparatus for cleaning wire rod
DE1777343A1 (de) * 1967-02-08 1972-08-31 Schloemann Ag Einrichtung zum Entfernen von Kuehlwasser in einer Wasserkuehleinrichtung fuer schnellaufenden Walzdraht
DE2121712A1 (de) * 1970-06-05 1971-12-09 Thaelmann Schwermaschbau Veb Einrichtung zum kuehlen von stabstahl
FR2267165A1 (fr) * 1974-04-10 1975-11-07 Florin Stahl Walzwerk
DE2556383A1 (de) * 1975-03-26 1976-10-07 Thaelmann Schwermaschbau Veb Einrichtung zum kuehlen von stabstahl
EP0013230A1 (fr) * 1978-12-26 1980-07-09 INSTITUT DE RECHERCHES DE LA SIDERURGIE FRANCAISE (IRSID) France Dispositif pour éliminer un liquide de la surface d'un produit long en défilement
DD147506A1 (de) * 1979-11-29 1981-04-08 Bernhard Hoericke Druckkuehlrohr zum direkten kuehlen von waermgut,vorzugsweise walzmaterial

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0287503A2 (fr) * 1987-03-13 1988-10-19 Walter Dipl.-Ing. Krenn Procédé et groupe frigorifique de pression pour refroidir un produit continu
EP0287503A3 (en) * 1987-03-13 1989-02-08 Korf Engineering Gmbh Method of and pressure cooling apparatus for cooling a continuous product
DE3837302A1 (de) * 1988-06-16 1989-12-21 Florin Stahl Walzwerk Kuehlrohr fuer walzadern
DE4444106C1 (de) * 1994-12-10 1996-02-29 Hennigsdorfer Stahl Engineerin Einrichtung für eine Druckwasserableitung
WO1996018467A1 (fr) * 1994-12-10 1996-06-20 Hennigsdorfer Stahl Engineering Gmbh Dispositif pour conduite d'evacuation d'eau sous pression
US5873949A (en) * 1994-12-10 1999-02-23 Hennigsdorfer Stahl Engineering Gmbh Device for pressurized water discharge pipe
DE19718530A1 (de) * 1997-05-02 1998-11-12 Schloemann Siemag Ag Verfahren und Kühlaggregat zum Kühlen von walzwarmem Walzgut, insbesondere von Warmbreitband
DE19718530B4 (de) * 1997-05-02 2005-02-03 Sms Demag Ag Verfahren zum Kühlen von walzwarmem Walzgut und Vorrichtung zur Durchführung des Verfahrens und Verwendung der Vorrichtung
CN113369317A (zh) * 2021-06-02 2021-09-10 广东韶钢松山股份有限公司 一种高效水冷喷嘴

Also Published As

Publication number Publication date
EP0064771A3 (en) 1983-03-16
DE3266328D1 (en) 1985-10-24
EP0064771B1 (fr) 1985-09-18
ATE15615T1 (de) 1985-10-15

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