Home--->hot roll mill descaling system

  • descaling system for hot rolling mill Alex Toys

    Descaling nozzles for every hot rolling mill From primary descaling behind the reheating furnace to mill descaling in roughing mills up to descaling prior to the finishing mill, Lechler offers the right product for the application. This goes also for plate mills, narrow and wide hot strip mills as

    hot roll mill descaling system la-corneille

    Application of Hot Rolling Lubrication on a Reversing Coil/Plate Mill. For a 4-high hot rolling mill, roll lubrication ing hot roll mill is used for roughing and finishing .. Q. Yu, An Effective Descaling System for Hot Rolling, Iron.

    An effective descaling system for hot rolling

    An effective descaling system can be evaluated by comparison of the equivalent stress on the interface with the adhesive strength of the scale. extending the roll service life, increasing the

    DESCALING TECHNOLOGY SMSgroup

    2018-3-27 · Hot strip mill Roughing mill 190 bar 190 235 bar 35 hydraulic vertical adjustment system. In this way, it is ensured that the nozzles are always located at an Descaling unit with 1,000 mm roll lift for descaling ingots. SMS SIEMAG AG Flat Rolling Plants Wiesenstrasse 30

    Descaling Lechler

    1995-10-2 · The setup of a descaling system includes nozzle parameters and the nozzle arrangement. Both have a major influence on the descaling factors, hence the descaling performances. The impact with which the descaling water impinges on the surface is the main criteria to measure the efficiency of a descaling nozzle, this is given in N/mm 2.

    12--3D-Evaluation Method for Descaling Capability of

    2012-1-9 · Descaling is a key process of hot rolling, especially when a good surface quality of the hot rolled products is demanded. Many studies have been made on the descaling technique of the hot strip mill (HSM) process (1-3). The key descaling parameters include the facility, the descaling performance and the descaling conditions (Figure 1).

    Hot-rolled steel strip manufacturing and descaling

    A method for descaling hot-rolled steel strips according to claim 9, wherein an electric current is passed through the steel strip in a pickling tank situated on the upstream side. wherein the heating means and the acid solution moving means are provided in a system bypassing from the group of tanks. The HC mill has an intermediate roll

    The Hot Rolling Process California Steel

    The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semi-finished steel slabs of steel nearly to their melting point, then roll them thinner and longer through 12 successive rolling mill stands driven by motors totaling 77,000 hp, and finally coiling up the lengthened steel sheet for transport to the next process.

    The water descaling system uses high pressure

    UTPSL provide High Pressure Descaling System for removal of scale from hot metal before rolling in steel plants.Descaling Systems can be designed for Billet,Slab ,Plate,Bloom Forging, Seamless Pipe,Profiles etc for Primary descaling

    HOT STRIP MILLS Mechanical Equipment SMS group

    2013-11-22 · SMS DEMAG Hot Strip Mills 4 A slab sizing press in the roughing mill area offers decisive advantages for more flexibility in hot strip pro-duction today and in the future. Width reductions of up to 350 mm in one pass enable the number of different casting sizes in the spectrum of the continuous caster to be reduced to just a few standard widths

    An effective descaling system for hot rolling

    An effective descaling system can be evaluated by comparison of the equivalent stress on the interface with the adhesive strength of the scale. extending the roll service life, increasing the

    hot roll mill descaling system la-corneille

    Application of Hot Rolling Lubrication on a Reversing Coil/Plate Mill. For a 4-high hot rolling mill, roll lubrication ing hot roll mill is used for roughing and finishing .. Q. Yu, An Effective Descaling System for Hot Rolling, Iron.

    Buma Hot Rolling

    High Pressure Descaling before the Finishing Mill. For wear reduction and better water drain inside the descaler box we received the order to modernize the descaling unit on the entry side of the finishing mill. We reused the existing rotating descaling system.

    SOLUTIONS FOR HOT ROLLING MILLS Spray

    2021-4-15 · DESCALING DescaleJet® Pro nozzles and headers 2 WASHDOWN AND BLOW OFF FloodJet® nozzles FlatJet® nozzles WindJet® nozzles 3 ROLL COOLING VeeJet ® self-aligning nozzles and headers 4 STRIP COOLING FullJet nozzles FullJet maximum free passage nozzles Laminar flow headers REHEAT FURNACE ROUGHING MILL FINISHING MILL 1 2 1 3 2 2 4 4 C2 HOT

    Water descaling unit for rolling mill ENCE

    2021-5-24 · Descaling system on/off valve (24 V DC) with in-built system of valve filling for an injection ring in order to avoid hydraulic shock during unloading mode, protective device Scale collecting box, with upper and lower nozzles manifold, sector control for slab width adjustment (1600 or 2570 mm), installed after the furnace, approx. length 3500 mm,

    Hot-rolled steel strip manufacturing and descaling

    A method for descaling hot-rolled steel strips according to claim 9, wherein an electric current is passed through the steel strip in a pickling tank situated on the upstream side. wherein the heating means and the acid solution moving means are provided in a system bypassing from the group of tanks. The HC mill has an intermediate roll

    Method and apparatus for descaling hot rolled

    A method and apparatus for removing oxide scale from the surface of hot-rolled stainless steel strip comprises uncoiling the steel strip coil, removing the coil bias and cracking the surface scale in a first scalebreaking apparatus, flattening the strip by removing edge wave and center buckle to a flatness approaching table top flat, the tolerable deviation therefrom depending upon the gauge

    HOT STRIP MILLS Mechanical Equipment SMS group

    2013-11-22 · SMS DEMAG Hot Strip Mills 8 The coilbox arranged between the roughing stand and the finishing mill of a hot rolling mill forms coils of transfer bars, thus serving as both material and heat accumulator. During uncoiling, the former trans-fer bar tail runs into the finishing mill as transfer bar head. The coilbox is employed in new facilities

    (PDF) Wear of hot rolling mill rolls: an overview

    In addition, there are different perceptions of "roll wear" amongst rolling mill operators, designers and roll producers. Roll "performance" is a vague term that may concern: mass or length of hot

    热轧设备组成介绍_图文_百度文库

    2019-4-2 · Others Work roll and backup roll cooling system: 1.7Mpa cooling water for WR 0.4Mpa cooling water for BUR Descaling system: entry &delivery side flow rate:2000L/min x 14 header Roll changing system: WR changing:automatically Changing time:less than 10

    Buma Hot Rolling

    High Pressure Descaling before the Finishing Mill. For wear reduction and better water drain inside the descaler box we received the order to modernize the descaling unit on the entry side of the finishing mill. We reused the existing rotating descaling system.

    Hot Rolling Spray Solutions Spraying Systems Co.

    For decades we’ve helped hot rolling mills around the world improve steel quality, reduce downtime and operating costs, and use less water. We have experience working with all types of steel, including advanced high-strength steel, to improve oxide dust suppression and descaling while preventing roll cracking and other problems.

    Buma Hot Rolling

    High Pressure Descaling with Ancillary Units Customer: Böhler Bleche GmbH. To increase the descaling effect a new high pressure descaling unit was installed. Buma made the whole engineering. This contains: / High pressure descaling / Lifting roller table / Chain seesaw

    Hot-rolled steel strip manufacturing and descaling

    A method for descaling hot-rolled steel strips according to claim 9, wherein an electric current is passed through the steel strip in a pickling tank situated on the upstream side. wherein the heating means and the acid solution moving means are provided in a system bypassing from the group of tanks. The HC mill has an intermediate roll

    Scale formation and its removal in Hot Rolling process

    2021-5-22 · descaling system. The paper focuses on the recent innovations of descaling nozzles. INTRODUCTION Besides the customers in the automotive industry, manufacturers of construction and agricultural machinery using hot rolled steel for outer body parts demand defect free surfaces. The

    (PDF) OPTIMIZATION OF WORKING ROLL COOLING

    2013-2-8 · The optimized cooling system was applied on a hot flat rolling mill in voestalpine Stahl GmbH. Typical applications are continuous casting, hydraulic descaling, roll cooling, interstand

    Method and apparatus for descaling hot rolled

    A method and apparatus for removing oxide scale from the surface of hot-rolled stainless steel strip comprises uncoiling the steel strip coil, removing the coil bias and cracking the surface scale in a first scalebreaking apparatus, flattening the strip by removing edge wave and center buckle to a flatness approaching table top flat, the tolerable deviation therefrom depending upon the gauge

    (PDF) Wear of hot rolling mill rolls: an overview

    In addition, there are different perceptions of "roll wear" amongst rolling mill operators, designers and roll producers. Roll "performance" is a vague term that may concern: mass or length of hot

    Application of Hot Rolling Lubrication on a Reversing Coil

    2021-2-16 · In the application of roll lubri--ing hot rolling mills, several con-cerns arise, i.e., bite and roll slippage and effectiveness. This paper studies the mechanism of roll lubrication of the reversing hot rolling mill theoretically and investigates the effect of the roll lubrication on mill separating force, torque, and backup roll

    Mechanical descaling Wheelabrator

    The production of hot rolled strip is achieved in-line: annealing, cooling, mechanical descaling and pickling are combined in integrated processing lines. Wheelabrator shot blast systems are available for narrow, medium and wide strip and are well proven in this field of application.

    Descaling----Part of the Hot Rolling Process Industry

    2016-11-7 · The hot rolling process has been divided into many steps of the process, this article mainly talks about the Descaling. The detail of it as following: Between the Crop Shear and th e first Finishing Mill Stand sits the #2 ScaleBreaker, which is tasked with the final scale removal operation. Sprays above and below the transfer bar blast it with 1,500 psi jets of water to break up the scale that

    Buma Hot Rolling

    High Pressure Descaling before the Finishing Mill. For wear reduction and better water drain inside the descaler box we received the order to modernize the descaling unit on the entry side of the finishing mill. We reused the existing rotating descaling system.

    Descalingforhotrollingmill sigrid-schrumpf.de

    Hot roll mill descaling system allanswers. descaling systems schäfer urbach- hot roll mill descaling system ,descaling technology and their application in s casting lines, heavy plate mills and hot strip mills there are two kinds of scale relevant in casting plants,application of descaling systems with low distances of the descaling

    Buma Hot Rolling

    High Pressure Descaling with Ancillary Units Customer: Böhler Bleche GmbH. To increase the descaling effect a new high pressure descaling unit was installed. Buma made the whole engineering. This contains: / High pressure descaling / Lifting roller table / Chain seesaw

    (PDF) OPTIMIZATION OF WORKING ROLL COOLING

    2013-2-8 · The optimized cooling system was applied on a hot flat rolling mill in voestalpine Stahl GmbH. Typical applications are continuous casting, hydraulic descaling, roll cooling, interstand

    Method and apparatus for descaling hot rolled

    A method and apparatus for removing oxide scale from the surface of hot-rolled stainless steel strip comprises uncoiling the steel strip coil, removing the coil bias and cracking the surface scale in a first scalebreaking apparatus, flattening the strip by removing edge wave and center buckle to a flatness approaching table top flat, the tolerable deviation therefrom depending upon the gauge

    Second-hand hot rolling mill plant استیل تکنیک

    16. Oil lubrication system 17. Pressure water system 18. Pressure water system for descaling device. 19. Entry guides in front of the tray crop shear 20. Rotary crop shear. 21. Finishing stands screw downs. 22. Loop lifters between stands. 23. Grease lubricating system for the finishing mill 24. Hydraulic pump for roll changing device.

    Mechanical descaling Wheelabrator

    The production of hot rolled strip is achieved in-line: annealing, cooling, mechanical descaling and pickling are combined in integrated processing lines. Wheelabrator shot blast systems are available for narrow, medium and wide strip and are well proven in this field of application.

    SAFETY GUIDELINES FOR IRON & STEEL SECTOR

    2019-12-13 · III. Rolling mill: To roll the hot crude steel products into desired shape by passing and squeezing it between set of revolving rolls. The rolls may be plain or grooved rolls depending on product. Rolling operation may contain one or more roll stands depending on reductions required. The Rolling Mill comprises of the following sections: i.

    Rolling of hot strip and strip defects IspatGuru

    2017-1-14 · Under high rolling forces, the rolls flatten and bend, and the entire mill is elastically distorted. Mill spring causes the thickness of the strip exiting from the rolling mill to be greater than the roll gap set under no-load conditions. Precise thickness rolling requires the elastic constant of the mill. Calibration curves are needed.

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