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Water Scale Pit Steel Rolling Mill

Production of cleaner mill scale by dynamic separation of

The descaling water and the cooling water wash the mill scale away from the steel surfaces flow with the mill scale into the flumes underneath the rolling lines run at a high speed in the flumes and eventually are discharged into the deep and wide mill scale pits The wastewater in the mill scale pits becomes fairly calm

Steel Making

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Hot Rolling Mill Water Filtration Solutions

Hot Rolling Mill water filtration systems from Orival Toggle navigation Home Products The process is a source of scale and iron oxides that are formed as the steel cools between rollers Each new pair of rollers removes this buildup and passes it to the sump Hot rolling mill cooling water systems are typically highly laden with

Nucor Sheet Mill Group

Tour 04 The Continuous Caster Step 4 The Continuous Caster Each slab is transported from the tunnel furnace to the rolling mill by a shuttle furnace After the shuttle furnace each slab goes through a descaling process where highpressure water jets remove the scale from the top and bottom of the slab at approximately 3 200 psi

water scale pit in steel rolling mill

water scale pit steel rolling mill sethhukamchand water scale pit in steel rolling mill Water treatment plant for a rollingmill train Free chat water scale pit in steel rolling mill Mill scaleWikipedia Mill scale often shortened to just scale is the flaky surface of hot rolled steel consisting of theMill scale generated in

water scale pit in steel rolling mill

to keep the steel at its proper rolling temperature Upon emergence from rolling mills steel may be sprayed with water to hasten cooling This spray prevents excessive scale formation Roll bearings also re quire cooling Spent cooling water flows to the scale pit along with that used for scale

Section 1 Identification

1a Product Identifier used on Label Mill Scale 1b Other Means of Identification Scale Roll Scale Hot Strip Mill Scale Caster Scale Continuous Caster Scale Oily Mill Scale 1c Recommended use of the chemical and restrictions on use None 1d Name Address and Telephone Number United States Steel Corporation

Effect of processing parameters on scale formation during

The influence of processing parameters slab thickness water flow of interstand cooling and oil flow in roll gap lubrication system on the thickness and composition of the tertiary scale formed during hot strip rolling was studied in a low carbon steel in factory The scale formed on the rolled

Heavy Duty Submersible Pumps Forge Solution to Scale

Home Heavy Duty Submersible Pumps Forge Solution to Scale Buildup at Steel Minimill Minimills were a proven alternative to less profitable integrated steel mills by the time Rodney Agner started his first job as a newly minted electrical engineer in June 1989

Steel mill flume water treatment

Sep 10 1996Once the copolymer has been added to the mill water a mixture is formed between the mill scale water oil and the amphoteric copolymer Mixing occurs by virtue of the flow of water to the scale pit In one steel mill the flow is from 3560 000 gallons per minute GPM

The Hot Rolling Process

The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semifinished 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

how does a steel rolling mill works

Dec 22 2007Best Answer A rolling mill is a machine or factory for shaping metal by passing it between a pair of rolls Rolling mills are often incorporated into integrated steelworks but also exist as separate plants and can be used for other metals and other materials Rolling mills

Recycle of valuable products from oily cold rolling mill

Oct 17 2013Recycle of valuable products from oily cold rolling mill sludge Authors Authors and affiliations V I Shatokha O O Gogenko and S M Kripak Utilising of the oiled rolling mills scale in iron ore sintering process Resour Conserv and V N Misra An overview of utilization of slag and sludge from steel industries Resour Conserv

Steel mill flume water treatment

Sep 10 1996Once the copolymer has been added to the mill water a mixture is formed between the mill scale water oil and the amphoteric copolymer Mixing occurs by virtue of the flow of water to the scale pit In one steel mill the flow is from 3560 000 gallons per minute GPM

Mill scale

Mill scale often shortened to just scale is the flaky surface of hot rolled steel consisting of the mixed iron oxides ironII oxide FeO ironIII oxide Fe 2 O 3 and ironII III oxide Fe 3 O 4 magnetite Mill scale is formed on the outer surfaces of plates sheets or profiles when they are being produced by rolling red hot iron or steel billets in rolling mills

open recirculating systems

open recirculating systems agglomeration coking plant blast furnace steel mill electric steel mill tangentially fed scale pit normally designated hydro cyclone that holds back the most granular particles 200250 m together with some of the lubrication and rolling oils Hot rolling mill Gerdau steel mills Acos

tmt quenchbox tmt plant tmt waterbox tmt quenchline

Highpressure cold water centrifugal pumps pressure and capacity depending on sizes to be produced Highpressure hot water vertical turbine pumps Cooling Towers with cold water sump Hot Scale pit Various types of valves nonreturn valves gate valves globe valves pressure relief vales etc Pipes ERW as per IS 1239 various sizes

Descaler Pump Energy Savings

The high pressure water jets are used to remove scale from the steel bars before they enter the rolling mill Normally high pressure water is bypassed to the water pit when no bar is present wasting energy If the roughing mill is reversing there are descale nozzles on either side using even more energy

Steel Plant Lubrication

The rolling and finishing group includes Hot Strip Mill Cold Rolling Mill Primary Boom Bar Mill Bar and Wire Rod Mill and Merchant Mill The equipment in rolling and finishing group are subjected to high impact loads water and scale ingress high temperature near reheating furnaces and higher speed and unit loads In Steel plants equipment

A BASIC UNDERSTANDING OF THE MECHANICS OF

Secondary scale on hot strip and the impact on wear is another issue Stresses from Hertzian pressure in 4high cold mill back up rolls were measured years ago the results were never published but of high interest also maybe later K H Schrder July 2003 K H Schrder A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS

A Cost Analysis of Waste Management in the Steel Industry

In addition to expense accounts for a specific steel firm cost estimates for water pollution control are also available for typical stages of steelmaking In some cleaning and finishing departments iron scale is recovered and sold at a profit If wastes are allowed to settle in a scale pit the iron scale is

Technical Report Deformation Behavior of Oxide Scale in

1 200C and an oxide film called scale forms on the steel surfaces during heating and rolling If steel is rolled with the scale on the surface it leads to surface defects and to prevent this scale is usually removed with highpressure water immediately before the steel goes into mill stands At high temperatures however carbon steel is

Oxide scale characterization of ferritic stainless steel

was employed to analyse and the effect of oxide scale on friction in hot rolling The coefficient of friction depends not only on the thickness of the oxide scale but also on its composition and surface topography before hot rolling Keywords characterization scale oxide its steel hot rolling stainless friction ferritic deformation

Walthers

Rolling Mill Kit 113/8 x 7 x 95/8 28 4 x 17 5 x 24 1cm Walthers 9333250 sheets and hundreds of other steel shapes that are the materials of other industries Rolling Mills are some of the biggest and most important structures in any steel works often stretching for a halfmile or more

Steel Mini

SOLUTION The steel minimill now uses six Oil Skimmers oilrecovery systems to remove the tramp oil from the water in the collection basins as well as from a scale pit that was added during a rolling mill upgrade at the hotstrip mill When operating continuously each system removes 150 gallons of oil a day said Ehren Plew plant

DEVELOPMENT OF A WATER TREATMENT PLANT FOR A

DEVELOPMENT OF A WATER TREATMENT PLANT FOR A ROLLINGMILL TRAIN Martnez S Goicoechea I water to eliminate remains of steel deposited on the furnace floor This effluent is subject to a The water is then treated in the Scale Pit or in the Receiver Pool in the case of the

A Study on the Characteristics of Oxide Scale while Hot

finishing strip mill An investigation of scale growth on an assupplied surface proved that the growth of the original 21m layer of scale decreased as the steel oxidized further The effects of hot rolling on the surface roughness and oxide layers such as reduction roll speed and entry temperature were investigated to identify any

Rolling Mill Machine

Types of Rolling possible with rolling mills Hot rolling Hot rolling mills roll the steel at temperatures over 1700 F which is above the steels recrystallization temperature meaning that it can be shaped and formed more easily and the steel can be rolled in much larger sizes

Guidance Manual for Iron and Steel Manufacturing

Scale oil and grease are the conventional pollutants discharged from rolling mill operations As the hot steel is rolled in the mill stands the steel surface oxidizes and scales or flakes off The scale particles ranging in size from submlcron to several millimeters are carried by water to scale pits

Steel and Metal Refining

Transfer pumps and industrial sumps are used in every step of the steel manufacturing process from the blast furnace to casting and rolling and in applications such as washdown dewatering and effluent handling These pumps are required to handle slurries debris acidic and/or high temperature conditions or oil pumping all challenging applications for any pump

KenRay Models

Nov 22 2018N Scale World War 2 Military Vehicles N Scale Military Flatcar w/ Load N Scale Modern Military Vehicles N Scale Civilian Vehicles N Scale Steel Mill Cars Ready to Run N Scale Steel Mill Kits and Accessories N Scale Rolling Stock N Scale Detail Parts HO Scale Detail Parts HO Scale Steel Mill Kits and Accessories Scenery Materials

Water scale pit in steel rolling mill

Jan 03 2010Dear All Happy New Year to you all however I need to know more about water Scale pit in steel rolling mill like requirement fundamentals calculation Est Please if anyone has any idea or reference that can be useful please advice Thank you in advance for your cooperation

PROJECT PROFILE FOR HIGH RATE FILTERS FOR MILL

PROJECT PROFILE FOR HIGH RATE FILTERS FOR MILL SCALE REMOVAL PROJECT DETAILS Mill scale often shortened to just scale is the flaky surface of hot rolled steel iron oxides Mill scale is formed on the outer surfaces of plates sheets or profiles when they are being produced by rolling red hot iron or steel billets in rolling mills

What exactly is Mill Scale and what is done about it

In a rolling mill where the steel will be stretched and squished the mill scale will first be removed mostly by water jets or by sand blasting in some shops or by vibrating rolls in others and the mill scale will fall into a pit below the equipment where it will also be joined by rolling mill lubricants and bearing oils and water

pillan n1 stainless steel grape crusher

valin steel mill scale gigsgh valin steel mill scale peopletopeople Steel Mill Scale Pit Design Crusher USA how to design a ball mill water scale pit steel rolling mill ball mill Chat Online Going vertical Cost management in a new era of steel Deloitte

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