US3782160A - Pipe quenching unit - Google Patents

Pipe quenching unit Download PDF

Info

Publication number
US3782160A
US3782160A US00089373A US3782160DA US3782160A US 3782160 A US3782160 A US 3782160A US 00089373 A US00089373 A US 00089373A US 3782160D A US3782160D A US 3782160DA US 3782160 A US3782160 A US 3782160A
Authority
US
United States
Prior art keywords
pipe
channels
row
sprayer
plug
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
US00089373A
Other languages
English (en)
Inventor
J Golubev
E Solomadina
V Statnikov
I Ibragimov
T Guliev
J Porokhovnikov
O Plyatskovsky
V Yankovsky
B Akhmedov
Z Lange
G Kheifets
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of US3782160A publication Critical patent/US3782160A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • C21D1/667—Quenching devices for spray quenching
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B21B19/06—Rolling hollow basic material, e.g. Assel mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B25/00—Mandrels for metal tube rolling mills, e.g. mandrels of the types used in the methods covered by group B21B17/00; Accessories or auxiliary means therefor ; Construction of, or alloys for, mandrels or plugs
    • B21B25/04—Cooling or lubricating mandrels during operation
    • 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085—Cooling or quenching
    • 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
    • B21B2045/0227—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for tubes

Definitions

  • the unit has an outside sprayer working simultaneously with an inside sprayer, with the inside sprayer being located in the wall of a hollow thrust bar holding the plug, and a mechanism for the simultaneous rotation and axial displacement of the pipe after its exit from the rolls.
  • the invention relates to pipe quenching units used in pipe rolling lines with a plug mill.
  • a pipe quenching unit used in a pipe rolling line, comprising a sprayer for cooling the pipe from inside.
  • the inside sprayer is located in the end of the plug, and is in the form of a circular slit.
  • This unit can be employed only in a pilger mill, since only in this mill the direction of movement of the pipe coolant coincides with the direction of rolling, with the pipe in the unit moving without any intense rotation with respect to the plug, thus causing non-uniform pipe cooling both in its length, and periphery.
  • the object of the present invention is to provide a pipe quenching unit, which secures uniform cooling of the pipe across its length, periphery, and wall thickness at the rolling speeds of modern pipe rolling lines.
  • the present pipe quenching unit to be employed in a pipe rolling line, embodying a sprayer for inside pipe cooling.
  • a sprayer for inside pipe cooling According to the invention, it has an outside sprayer working concurrently with the inside sprayer, with the inside sprayer being located in the wall of a hollow thrust bar holding the plug, and a mechanism for the simultaneous rotation and axial displacement of the pipe after its exit from the rolls.
  • the inside sprayer preferably is in the form of two rows of inclined channels, one row of which is disposed along the periphery of the cap of the hollow thrust bar retaining the plug, the channels being inclined in the direction of pipe movement for the fluid to cool the inner surface of the forward part of the rolling pipe, while the other row is located in the front part of the thrust bar, also along the periphery thereof, with its channels being inclined opposite the direction of pipe movement to cool the inner surface of the rear part of the pipe after its exit from the mill rolls.
  • bar retaining the plug which valves open the channels located in the bar cap, in the course of pipe rolling, as well as the channels disosed in the front part of the bar, after pipe rolling is completed.
  • the present unit is to be combined with screw rolling mills in a pipe rolling line.
  • Such combination enables realizing the progressive movement of the pipe together with its intense rotation by the reducing rolls of the mill, which provides favorable conditions for cooling the front part of the pipe along its periphery. Since after its exit from the mill rolls the pipe stops, a mechanism is provided to secure uniform cooling of its rear end along the periphery thereof, which mechanism in such period realizes its movement through the cooling arrangements and its intense rotation.
  • FIG. 1 shows the pipe quenching unit according to the invention, in the process of cooling the front part of the pipe, the view being in longitudinal section;
  • FIG. 2 is a view similar to FIG. l, in the process of cooling the rear part of the pipe.
  • the pipe quenching unit has inside and outside sprayers operating at the same time.
  • the inside sprayer is integrated with a hollow thrust bar 1 (FIG. l) which holds a plug 2 of the screw rolling mill. Cooling of a pipe 3 from inside is effected through a gap or space 4 between the pipe 3 and the hollow thrust bar l, into which the coolant is pressurized from the hollow bar.
  • a hollow thrust bar 1 FIG. l
  • Cooling of a pipe 3 from inside is effected through a gap or space 4 between the pipe 3 and the hollow thrust bar l, into which the coolant is pressurized from the hollow bar.
  • one row of channels 6 inclined in the direction of movement of the pipe is provided along the periphery of the cap.
  • another or second row of channels 8 inclined opposite the direction of pipe movement is formed in the front part of the thrust bar along the periphery thereof.
  • the two rows of channels 6 and 8 work alternately. This is achieved by fitting inside the thrust bar slide-type valves 9 and 10 provided with a valve rod l1, with the valves, by means of a spring 12 and the axial rolling force, alternately opening the rows of channels 6 and 8 (the direction of the coolant movement towards channels 6 and 8 is shown by arrows).
  • an outside sprayer denoted generally I3 which has heads 14 with longitudinal slits directing a continuous water flow (shown with arrows) onto the outer surface of the pipe 3.
  • the heads 14 are connected together through pipes l5 and a common header I6 to which water (shown with an arrow) is supplied under excess pressure from a pump (not shown) through a common pipe 17.
  • Movement of the quenching pipe 3 through the simultaneously working outside sprayer 13 and one row of channels 6 in the cap 5 of the thrust bar l, in the process of rolling, is effected by rolls 7 of the mill, and its movement through the simultaneously working outside sprayer 13 and the other row Iof channels 8 located in the front part of the thrust baur, is effected by a wheel table 18 which is rotated from1 separate motors through reduction gears (not shown).
  • the unit operates as the follows. As pipe 3 enters the rolls 7 of the mill, and the rolls 7 begin exerting pressure on the pipe 3 and plug 2, water feed is started from the pump into the outside and inside sprayers. The generated axial force on the pipe is transmitted through plug 2, a head 19, and the valve rod ll, thus opening, by means of the valve 9, one row of channels 6 in the cap, and at the same time closing, by the valve l0, the
  • a pipe quenching unit to be employed in a line of pipe rolling mills having rolls and a hollow thrust bar holding a plug comprising: a sprayer for outside cooling of the pipe being rolled; a further sprayer for cooling the inside of the pipe, operable simultaneously with said outside sprayer, said further sprayer being located n the wall of said hollow thrust bar holding said plug, wherein said further sprayer is defined by first and second rows of ⁇ inclined channels, said first row of the channels being disposed along the periphery of a cap of said thrust bar holding said plug, said first row of channels being inclined in the direction of pipe movement for the fluid to cool the inner surface of the front part of the pipe being rolled in said mill, and the second row of channels being located in a front part of the thrust bar, remote from said plug, along the periphery thereof, the channels of said second row being inclined opposite the direction of pipe movement to cool the inner surface of the rear part of the pipe after its exit from said rolls ofthe mill; and a mechanism for simultaneous rotation and axial displacement of the pipe after its exit from
  • valves positioned in said hollow thrust bar, said valves being operable to open the channels of said first row, in the course of pipe rolling, as well as the channels of said second row, after pipe rolling is completed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
US00089373A 1970-11-05 1970-11-13 Pipe quenching unit Expired - Lifetime US3782160A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2054528A DE2054528C3 (de) 1970-11-05 1970-11-05 Vorrichtung zum Härten von Rohren aus der Walzhitze

Publications (1)

Publication Number Publication Date
US3782160A true US3782160A (en) 1974-01-01

Family

ID=5787263

Family Applications (1)

Application Number Title Priority Date Filing Date
US00089373A Expired - Lifetime US3782160A (en) 1970-11-05 1970-11-13 Pipe quenching unit

Country Status (3)

Country Link
US (1) US3782160A (enExample)
DE (1) DE2054528C3 (enExample)
FR (1) FR2114065A5 (enExample)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921430A (en) * 1973-01-23 1975-11-25 Innocenti Santeustacchio Spa Apparatus for rolling seamless tubes
US3946586A (en) * 1973-01-23 1976-03-30 Innocenti Santeustacchio S.P.A. Process and apparatus for rolling seamless tubes
DE3123645A1 (de) * 1981-06-15 1982-12-30 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover "verfahren zur herstellung nahtloser kupferrohre"
EP0162209A1 (en) * 1984-04-20 1985-11-27 OLIVOTTO S.p.A. A process for hardening elongate metal elements
US20050122915A1 (en) * 2003-12-05 2005-06-09 Yazaki Corporation Communication apparatus
US20050145306A1 (en) * 1998-09-03 2005-07-07 Uit, L.L.C. Company Welded joints with new properties and provision of such properties by ultrasonic impact treatment
US20060016858A1 (en) * 1998-09-03 2006-01-26 U.I.T., Llc Method of improving quality and reliability of welded rail joint properties by ultrasonic impact treatment
US20070040476A1 (en) * 2005-08-19 2007-02-22 U.I.T., Llc Oscillating system and tool for ultrasonic impact treatment
US20070068605A1 (en) * 2005-09-23 2007-03-29 U.I.T., Llc Method of metal performance improvement and protection against degradation and suppression thereof by ultrasonic impact
US20070244595A1 (en) * 2006-04-18 2007-10-18 U.I.T., Llc Method and means for ultrasonic impact machining of surfaces of machine components
US7301123B2 (en) 2004-04-29 2007-11-27 U.I.T., L.L.C. Method for modifying or producing materials and joints with specific properties by generating and applying adaptive impulses a normalizing energy thereof and pauses therebetween
US7344609B2 (en) 1998-09-03 2008-03-18 U.I.T., L.L.C. Ultrasonic impact methods for treatment of welded structures
US7431779B2 (en) 1998-09-03 2008-10-07 U.I.T., L.L.C. Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces
WO2019107418A1 (ja) * 2017-11-29 2019-06-06 日本製鉄株式会社 穿孔機、及びそれを用いた継目無金属管の製造方法
CN111417471A (zh) * 2017-11-29 2020-07-14 日本制铁株式会社 无缝钢管的制造方法
US11344935B2 (en) * 2017-11-29 2022-05-31 Nippon Steel Corporation Piercing machine, mandrel bar, and method for producing seamless metal pipe using the same

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6020448B2 (ja) * 1981-05-06 1985-05-22 日本鋼管株式会社 鋼管の焼入装置
DE3127373C2 (de) * 1981-07-09 1985-08-29 Mannesmann AG, 4000 Düsseldorf Verfahren zum Herstellen von nahtlosen Stahlrohren für die Erdölindustrie

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1335977A (en) * 1919-02-04 1920-04-06 Snead & Co Iron Works Method of and apparatus for heat-treating metallic articles
US1997997A (en) * 1933-03-03 1935-04-16 Diescher Tube Mills Inc Mandrel for tube rolling mills
US2024514A (en) * 1933-03-25 1935-12-17 Diescher Tube Mills Inc Method and apparatus for making tubes
US2167418A (en) * 1937-01-21 1939-07-25 Nat Tube Co Pipe or tube rolling
US2658012A (en) * 1950-03-13 1953-11-03 United States Steel Corp Method of reeling rods
US2686441A (en) * 1951-12-27 1954-08-17 Nat Supply Co Cross-rolling mill and blankconfining shoes for it
GB893255A (en) * 1960-09-29 1962-04-04 Albert Henry Calmes Method of manufacturing seamless tubes and tension-fixed plug mandrel bar for performing the method
US3294599A (en) * 1963-07-30 1966-12-27 Smith Corp A O Method and apparatus for heat treating low carbon steel
US3348399A (en) * 1964-08-04 1967-10-24 Mckay Machine Co Methods of and apparatus for forming tubular members
US3394568A (en) * 1964-09-09 1968-07-30 Contubind Sa Apparatus for rolling seamless tubes

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1335977A (en) * 1919-02-04 1920-04-06 Snead & Co Iron Works Method of and apparatus for heat-treating metallic articles
US1997997A (en) * 1933-03-03 1935-04-16 Diescher Tube Mills Inc Mandrel for tube rolling mills
US2024514A (en) * 1933-03-25 1935-12-17 Diescher Tube Mills Inc Method and apparatus for making tubes
US2167418A (en) * 1937-01-21 1939-07-25 Nat Tube Co Pipe or tube rolling
US2658012A (en) * 1950-03-13 1953-11-03 United States Steel Corp Method of reeling rods
US2686441A (en) * 1951-12-27 1954-08-17 Nat Supply Co Cross-rolling mill and blankconfining shoes for it
GB893255A (en) * 1960-09-29 1962-04-04 Albert Henry Calmes Method of manufacturing seamless tubes and tension-fixed plug mandrel bar for performing the method
US3294599A (en) * 1963-07-30 1966-12-27 Smith Corp A O Method and apparatus for heat treating low carbon steel
US3348399A (en) * 1964-08-04 1967-10-24 Mckay Machine Co Methods of and apparatus for forming tubular members
US3394568A (en) * 1964-09-09 1968-07-30 Contubind Sa Apparatus for rolling seamless tubes

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3921430A (en) * 1973-01-23 1975-11-25 Innocenti Santeustacchio Spa Apparatus for rolling seamless tubes
US3946586A (en) * 1973-01-23 1976-03-30 Innocenti Santeustacchio S.P.A. Process and apparatus for rolling seamless tubes
DE3123645A1 (de) * 1981-06-15 1982-12-30 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover "verfahren zur herstellung nahtloser kupferrohre"
EP0162209A1 (en) * 1984-04-20 1985-11-27 OLIVOTTO S.p.A. A process for hardening elongate metal elements
US20060016858A1 (en) * 1998-09-03 2006-01-26 U.I.T., Llc Method of improving quality and reliability of welded rail joint properties by ultrasonic impact treatment
US20050145306A1 (en) * 1998-09-03 2005-07-07 Uit, L.L.C. Company Welded joints with new properties and provision of such properties by ultrasonic impact treatment
US7431779B2 (en) 1998-09-03 2008-10-07 U.I.T., L.L.C. Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces
US7344609B2 (en) 1998-09-03 2008-03-18 U.I.T., L.L.C. Ultrasonic impact methods for treatment of welded structures
US20050122915A1 (en) * 2003-12-05 2005-06-09 Yazaki Corporation Communication apparatus
US7301123B2 (en) 2004-04-29 2007-11-27 U.I.T., L.L.C. Method for modifying or producing materials and joints with specific properties by generating and applying adaptive impulses a normalizing energy thereof and pauses therebetween
US20070040476A1 (en) * 2005-08-19 2007-02-22 U.I.T., Llc Oscillating system and tool for ultrasonic impact treatment
US7276824B2 (en) 2005-08-19 2007-10-02 U.I.T., L.L.C. Oscillating system and tool for ultrasonic impact treatment
US20080035627A1 (en) * 2005-08-19 2008-02-14 Uit L.L.C. Oscillating system and tool for ultrasonic impact treatment
US20070068605A1 (en) * 2005-09-23 2007-03-29 U.I.T., Llc Method of metal performance improvement and protection against degradation and suppression thereof by ultrasonic impact
US20070244595A1 (en) * 2006-04-18 2007-10-18 U.I.T., Llc Method and means for ultrasonic impact machining of surfaces of machine components
WO2019107418A1 (ja) * 2017-11-29 2019-06-06 日本製鉄株式会社 穿孔機、及びそれを用いた継目無金属管の製造方法
CN111417471A (zh) * 2017-11-29 2020-07-14 日本制铁株式会社 无缝钢管的制造方法
JPWO2019107418A1 (ja) * 2017-11-29 2020-11-19 日本製鉄株式会社 穿孔機、及びそれを用いた継目無金属管の製造方法
EP3718656A4 (en) * 2017-11-29 2021-09-15 Nippon Steel Corporation MACHINE AND METHOD FOR MANUFACTURING A SEAMLESS METAL TUBE WITH IT
US11344935B2 (en) * 2017-11-29 2022-05-31 Nippon Steel Corporation Piercing machine, mandrel bar, and method for producing seamless metal pipe using the same
US11471923B2 (en) 2017-11-29 2022-10-18 Nippon Steel Corporation Production method of seamless steel pipe
US11511326B2 (en) * 2017-11-29 2022-11-29 Nippon Steel Corporation Piercing machine, and method for producing seamless metal pipe using the same

Also Published As

Publication number Publication date
FR2114065A5 (enExample) 1972-06-30
DE2054528B2 (de) 1976-08-26
DE2054528A1 (de) 1972-05-10
DE2054528C3 (de) 1981-07-23

Similar Documents

Publication Publication Date Title
US3782160A (en) Pipe quenching unit
US3685331A (en) Apparatus for rolling and forming articles
GB1485020A (en) Apparatus for controlling the temperature of steel during hot-rolling on a continuous hot-rolling mill
US3439519A (en) Billet roughing mill
US2094920A (en) Rolling mill
US3871221A (en) Continuous strip rolling mill
CS205098B2 (en) Facility for making the seamless pipes
GB1281404A (en) Improvements in or relating to rolling mills
RU2008135453A (ru) Способ и литейно-прокатная установка для производства горячекатанной полосы, в частности стальной полосы, с высоким качеством поверхности
US3690138A (en) Process and apparatus for stretch forming metal
US3874212A (en) Tube cold rolling method
US2306771A (en) Method of making metallic tubes
DE2657823A1 (de) Walzwerksanlage zur herstellung von nahtlosen rohren
US2642763A (en) Cross rolling mill
GB1469241A (en) Method and apparatus for continuously casting and rolling non- ferrous product
US3805568A (en) Device for conveying the cooling and lubricating fluid in multi-stand rolling mills for the production of metal bars and wire
US3908423A (en) Rod and bar mill
CN1981982A (zh) 铜或铜合金管的制造方法
GB947014A (en) A reversible six high hot-rolling mill
JPS6021803B2 (ja) 継目無管の連続圧延機
US3699795A (en) Work twister for rolling mill
US2711660A (en) Descaling apparatus
GB687283A (en) Improvements in or relating to a method of and apparatus for the manufacture of seamless metal tubes
US3908420A (en) Apparatus for forming material using a skew-rolling mill
RU40926U1 (ru) Система регулируемого охлаждения широкой полосы в клетях чистовой группы широкополосного стана горячей прокатки