The raw materials used for its production are ores e. Allorplesh sintering products are the toughest in the industry because of superior wheel design for hightemperature application. Automatic control is preferred to manual methods since. Maximizing sinter plant heat recovery steel plantech. At given sintering conditions, powders consisting of. The process, called sintering, causes the constituent materials to fuse to make a single porous mass with little change in the chemical. Sinter machine circular type size of sinters 5 to 60 mm cooler area 30 m 2 gas cleaning gravity, esp 52 m 2 x 3 capacity 3,56,000 tpa. Up to 1941, uralmash supplied its unique products, including sinter machines, to many industrial enterprises of the ussr, among which there were such giants as magnitogorsky and kuznetsky integrated ironandsteel works. By sintering, the pelletisation of finegrained, smeltable ores, iron ore in particular, to compact lumps by heating nearly to. In this regard it is necessary to consider the widely held and simplistic view that sinter feeds containing iron ores with high ultrafines content have lowpreignition permeability. Sintering theory was traditionally developed either as the application of complex diffusion or viscous flow mechanisms to a simple geometry or as complex evolution of microstructure with simple diffusion mechanisms. The sintering technology was developed for the treatment of the waste fines of iron ore. Large sinter strands 6 m wide and with a sintering area of. A sinter feed with good permeability from ignition until burnthrough is required for efficient operation of a sinter plant.
With our pallet width extension technology and selective waste gas recirculation we are able to reduce the quantity of offgas in sinter plants by. The characteristics of these raw materials strongly affect the metallurgical properties of iron ore sinter and sinter plant performance. If the sinter plant is an independent operation, rail will be needed to bring raw materials in and sinter out. Presently more than 70% of hot metal in the world is produced through the sinter. In india, approximately 50% of hot metal is produced using sinter feed in blast furnaces. Iron ore fines, coke breeze, limestone and dolomite along with recycled metallurgical wastes are converted into agglomerated mass at the sinter plant, which forms 7080. In our sinter plants ghent, we bake a mixture of fine iron ores, ferruferous recuperation materials and fluxes.
Dec 15, 20 the screen panels of vibroscreen assembly in a sinter plant remove the under size sinter plant sintering is an agglomeration process of fine mineral particles into a porous mass by incipient fusion caused by heat produced by combustion within the mass itself. Automation and control systems are vital tools to assist plant operators in the monitoring of each stage of the sinter production process. Sinter plant operation jobs in india 5 sinter plant. The equipment and technology vendor for the project was termokimik corporation italy. For example, the bulk modulus can be obtained from the solution of the problem of hydrostatic loading of the chosen representative. Failure analysis of hot sinter screens of a sinter plant.
The process, called sintering, causes the constituent materials to fuse to make a. Almost, there is no blast furnace operating without sinter, nowadays. Sinter plants agglomerate iron ore fines dust with other fine materials at high temperature, to create a product that can be used in a blast furnace. Sintering is an agglomeration process which involve heating raw material to incipient temp below its melting point to convert it into hard lumpy and porous mass. The process which utilizes dust to convert it into lumps is called sinter.
The sinter strand and associated equipment are covered by a large building. Pdf optimization of sinter plant operating conditions using. The firstphase stateoftheart facility of the sinter plant gas cleaning system is launched at ilyich iron and steel works of mariupol. Our technologies meet all local and marketspecific requirements. Sinter plant control excellence in optimization systems the best system for sinter plant process optimization the irm group sinter plant optimization system is a complete and wellproven tool for maximizing productivity and sinter quality control. First water sealed sinter cooler was put into operation in 1996, second in 1996. Iron oxides can come to the blast furnace plant in the form of raw ore, pellets or sinter. Aug 04, 2011 iron oxides can come to the blast furnace plant in the form of raw ore, pellets or sinter. European dioxin inventory results 030301 sinter plants 78 flue gas conc. Failure analysis of a sinter screen in a sinter plant has been presented. This means less frequent replacement, fewer operational slowdowns, and fewer lost hours due to disruptive. The sintering process for the preparation of raw materials to be fed to the imperial smelting furnace i. The integrated steel plant produces hot and cold rolled coil, steel plate and wire rod. The models and the flowsheet of the sinter plant were created within the environment of the gproms modelbuilder.
Phase 2 construction, operation, and evaluation by g. Pdf optimization of sinter plant operating conditions. Andrukhanenko metallurgist volume 25, pages 372 374 1981cite this article. The rmm for environment should mirror what is written in the iron and steel bref 2009 as referenced above on page 1. Over the years the plant has been gradually expanded to its current 15. Pdf blast furnace operators expect to get sinter with homogenous. Process the sinter is an agglomerate of mineral particles into a porous mass by incipient fusion caused by heat. After solving initial issues caused with dusty cooling gas and higher cooling gas temperature, water sealed sinter coolers are. Since then sinter has become the widely accepted and preferred blast furnace burden material. A continuous observation and assessment of the process and the operational status of the machines and equipment. Sinter plant raj kumar goel, managing director, vankam vasu, dgm slr metaliks limited, email. As on today, sinter has become widely accepted and preferred burden material in blast. The objective of the sintering process is the agglomeration of a mixture of iron ore mineral fines 0. The sinter screen is used for removing fines sinter feed with good permeability from ignition until burnthrough is required for efficient operation of a sinter plant.
Operated sinter plants with the maximum productivity are also important with the purpose of obtaining a sinter with uniform composition and quality for facilitating the steady state operation of. Understanding sinter and sinter plant operations ispatguru. Each unit operation is a different model developed in the gproms language. Sinter plant combustion sintering free 30day trial. Epa600279203 november 1979 sinter plant windbox recirculation and gravel bed filter demonstration.
Firstphase facility of new sinter plant gas cleaning put. Sinter plant high performance and environmentally friendly solutions sintering technology from primetals technologies ensures high and stable sinter quality for best blast furnace operation, high flexibility and low operating costs. Explore sinter plant operation jobs openings in india now. Sinter dominates the blast furnace burden mix accounting for 77% of the iron ore charge. Sintering is a process by which a mixture of iron ores, fluxes and coke is agglomerated in a. Year by year, improvements are made to the sintering process in every industrial sinter plant thanks to the accumulated experience of plant operators and the evolution and progress in sintering knowhow. Our processes for sintering and pelletizing have been the worlds leading solutions for iron ore sinter and pellet production for over 50 years. Sinter plant watersealed circular cooler steel plantech. Roughly speaking, a sinter plant can be divided into four parts.
Choudhary, cmd, rinlvsp today at a glittering function held in the plant premises. The role of coke size in the sintering of a hematite ore blend. Primetals technologies, with its integrated process knowledge, is a leading fullline supplier of sinter plant solutions. To eighties, 78% of sinter in the ussr was produced at the sintering equipment issued by uralmashplant. A sinter plant takes fine ore and other materials, and fuses them together to produce sintered ore for use in blast furnaces.
The raw materials for an integrated steelworks can be classified into four categories, which are iron ores, fluxes, fuels, and reverts. There are 3,037 suppliers who sells sinter plant on, mainly located in asia. The new sinter plant gas cleaning system will allow to reduce dust emissions by 90% and sulphur oxides by 43%. The sintering process involves a large number of parameters, more than 500, each of which exerts a greater or lesser influence and needs. There is a ducted system around the sinter plant which collects free dust from the process. Air quality assessment bluescope steel limited sinter.
Automatic control ksc unmanned operation system at fukuyama nkk. Sintering plant pdf produce under extreme cost pressure, all sinter plant operators must keep their. This is a major milestone in the commissioning of the state of the art sinter plant3 being constructed at a cost of rs. Ltd, alsthom india ltd, voltas, burner center russia, gdc ltd etc. Pohang posco bof steel plant report wood mackenzie. Metal and steel industry, integrated process route sick. Sintering plant automation operation of the sintering plant is remotely controlled and monitored from a central control room. Apply to 5 sinter plant operation jobs in india on. Sinter plant slrm is operating a 25 m 2 sinter plant since 20. In iron powder metallurgy, common sintering conditions are. Now, most sinter plants in the usa are the garbage disposal for the steel mill processing pellet fines, dust, and mill scale into blast furnace feed. Sinter plant, which forms 7080% of iron bearing charge in the blast furnace.
We have earned the reputation as being your premier sinter plant supplier. Understanding sinter and sinter plant operations sintering is a process of agglomeration of fine mineral particles into a porous and lumpy mass by incipient fusion caused by heat produced by combustion of solid fuel within the mass itself. The dust is then drawn through electrostatic precipitators before being released to atmosphere via the room dedusting stack rdd stack. Construction of the third blast furnace with a pig iron production capacity of 3mt year.
As opposed to blast furnace process, direct reduction of iron oxide happens in solid state. The ultrafines content in an ore blend, particularly the. Outotec pallet cars for sintering and pelletizing outotec offers unrivalled solutions and services for processing minerals and metals. This ore is either hematite fe 2 o 3 or magnetite fe 3 o 4 and the iron content ranges from 50% to 70%. Automating production processes at the sinter plant of the yuzhnyi mining and concentration combine.
The main unit operation of the plant is the sinter machine. Current national steel corporation weirton steel division p. As on today, sinter has become widely accepted and preferred burden material in blast furnaces. Sinter plant free download as powerpoint presentation. Jnil what is sinter sinter word comes from the greek word sint which means dust. For this reason, a recirculation hood is positioned over the sinter strand. But, as is the case with coal, iron ore cannot be used directly in the blast furnace. State of the art sinter plants by primetals technologies. Sinter plant windbox recirculation and gravel bed filter. Automating production processes at the sinter plant of the. This solution counteracts process fluctuations caused, for example, by changes in the raw material composition and quality, human factors and process conditions.
This ore is either hematite fe 2o 3 or magnetite fe 3o 4 and the iron content ranges from 50% to 70%. The most important raw material needed to produce steel is iron ore. The final product, a sinter, is a small, irregular nodule of iron mixed with small amounts of other minerals. The process, called sintering, causes the constituent materials to fuse to. In this device the mass and energy balances areappliedforthe involvedreactions. It consists of two proprietary measuring gauges with associated control systems. Sinter plant watersealed circular cooler a sinter plant takes fine ore and other materials, and fuses them together to produce sintered ore for use in blast furnaces. The raw ore is removed from the earth and sized into pieces that range from 0.
The main overall goal of sinter plant operators is to achieve a high output of. Every step in the sintering process each plant area and piece of equipment, and their optimized design and the overall integration required for a highperformance sinter plant all add up to. Sinter plant3, was supplied and erected by the consortium of ms. The overall function of the sinter expert system is to enable an optimized sinter machine operation with minimum operator interaction. Exclusions in this process we want to focus solely on the use and exposure of sinter and its constituents.