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. Total plant monitoring for an integrated steel plant. Your company has started profit from the first full year of its integrated operations. Operation and maintenance during the operation phase you want to achieve the highest possible production rates. Requirements for availability, process quality and productivity of sinter plants are continuously growing, while at the same time a growing number of environmental regulations. A case study ofthe production ofhighgrade manganese. Jan 1, 2010 advanced control of process with a standard. The objective of balling is to eliminate fines by layering them on the coarser size fractions which act as seed or nuclei, that is, by an autolayering mechanism of growth1. The addition of lime to the sintering charge at the severstal metallurgical combine is most effective when its unit consumption is within the range 2040 kg. In combination with the expert system, the raw mix calculation model is a central part of the closedloop operation, which is a unique highlight of the vairon sinter automation solution. Pdf optimization of sinter plant operating conditions. It consists of two proprietary measuring gauges with associated control systems.
Pohang posco bof steel plant report wood mackenzie. A screen of the user interface of the raw mix calculation model is shown in fig. 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. 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.
Sinter plant raj kumar goel, managing director, vankam vasu, dgm slr metaliks limited, email. Dangerous emissions control and reduction in sinter plants. Analysis of dangerous emissions and plant productivity during sintering ore operations. The process, called sintering, causes the constituent materials to fuse to make a single porous mass with little change in the chemical. 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. In comparison to the other preparation process for zinc extraction, i. We encourage you to explore all that we have to offer. The raw ore is removed from the earth and sized into pieces that range from 0. An evaluation of the performance of these systems shows that they need to be rebuilt. State of the art sinter plants by primetals technologies. Sintering technology from primetals technologies ensures high and stable sinter quality for best blast furnace operation, high flexibility and low operating costs. Optimization of sinter plant operating conditions using advanced multivariate statistics. Pdf modernization automation of sinter plant by the. Understanding sinter and sinter plant operations ispatguru.
Icesp 2016, wroclaw, poland, 1923 september 2016 hybrid filtration of sinter plant process fumes v. Training plans combine classroom and handson teaching. Integrated steel plant in scunthorpe, uk raw material. Sinter having size 5 mm will go to the cooler and then it will go to bf. Research group in siderurgy, metallurgy and materials, department of materials science. The product, known as a green sinter ball quasiparticle, is larger in size with a. Sintering, as physicalchemical process of iron ores preparation and obtaining of a.
Whether you are looking to merge, split, convert, unlock, or protect pdf files. Reducing pah emissions from the iron ore sintering process. To cope with varying raw material qualities and increasing prices for energy, a more frequent and accurate monitoring of the processing of iron ore became the focus in sinter plant operations. Jspls vision was to build the sinter plant using state of the art technologies and materials. As well as the traditional blast furnace route, pohang also produces hot metal via the alternative ironmaking finex process. Primetals decided to go with tubemac nonwelded piping systems for the hydraulic hardline of the hydraulic granulator in the sinter plant. The company has sold 573417 t of pig iron with a growth of 47. Latest generation sinter process optimization systems.
After commissioning of coke oven plant, 1 17722 t of bf coke has been sold. In order to process your files, they will be uploaded to a remote server. 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. This operation is now owned by samancor following a merger between amcor and s. They gave the responsibility of building their sinter plant to primetals, austria. Kalagadi manganese launches northern cape sinter plant. 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. The process of sinter making originated from a need to make use of fines. History and prospect of philippine sinter corporation. It can be noted that the major share 72% of energy is required during iron making which includes coke making 12%, iron ore sintering 6%, and blast furnaces 54%. Growth in pig iron loading from plant for export was 188. As for coke, this parameter is also expressed as mass percent on ore basis. A sinter feed with good permeability from ignition until burnthrough is required for efficient operation of a sinter plant. As on today, sinter has become widely accepted and preferred burden material in blast.
South africas first manganese mine to be owned by a black woman, kalagadi manganese, officially opened its sinter plant near hotazel, in the northern cape, on thursday. For a fully balanced operation, the mass ratio of return. Iron sinter process control using xray diffraction ausimm. Total plant monitoring for an integrated steel plant july 20 20, hcl technologies, ltd. Iron oxides can come to the blast furnace plant in the form of raw ore, pellets or sinter. The final product, a sinter, is a small, irregular nodule of iron mixed with small amounts of other minerals. Melting tendencies at the grain boundaries lead to a caking of the material. Free web app to quickly and easily combine multiple files into one pdf online. This is a major milestone in the commissioning of the state of the art sinter plant 3 being constructed at a cost of rs.
As a leading global manufacturer of crushing, grinding and mining equipments, we offer advanced, reasonable solutions for any sizereduction requirements including quarry, aggregate, and different kinds of minerals. Introduction since philippine sinter corporation psc began operation in 1977, it has built a position as a key overseas raw material processing base for jfe steel while adapting to large changes in the economic environment. Sinter plant operation pdf by sintering, the pelletisation of finegrained, smeltable ores, iron ore in particular. A significant proportion of the worlds sinter capacity is produced using outotec traveling grate sintering. Traditionally, quality control in iron producing industries has relied on timeconsuming wet chemistry or the analysis of the elemental composition. The largest sinter plant in the world the sinter process is very important for stable operation of blast furnace, and large scale sinter machine is a key facility to make maximum production on a limited site area. Hydraulic piping for the sinter plant granulator, orissa. Gps plants are used for the production of 5 expert system for sintering process control intech. This ore is either hematite fe 2 o 3 or magnetite fe 3 o 4 and the iron content ranges from 50% to 70%. In recent years the outotec process technology has been responsible for more than threequarters of the global sinter capacity.
The integrated steel plant produces hot and cold rolled coil, steel plate and wire rod. From technologybased operating committees to our local member chapers, the opportunities to network with others and expand your technical knowhow abound. Beyond simplifying the process of creating pdf files from singlesource documents, power pdf empowers you and your employees to combine multiple files. The total energy use distribution 24 by various units of the steel plant coke ovens, sinter plant, blast furnaces, steel shop, rolling mills, and power plant is shown in figure 4. Gas pressure sintering plants gps of the gps process is a sequence of dewaxing at low pressure, sintering at normal or which do not sinter to high densities in standard sintering operations. Of the fact that the capacity of sintering plants in india is limited, it requires to produce.
With the use ofthis material, the sinter plant produced a. Predictions of pcddf, so x, no x, and particulates in the iron ore sintering process of integrated steelworks. Fundamental factors determining laboratory sintering results. In 1988 the republic ofsouth africa was the largest producer of ferromanganese in the world 694,6 kt and the largest exporterofmanganese orei 2735 kt.
Sintering hematite iron ore 20191123 the authors investigate the influence of the basicity index caosio2 on the sintering properties of. Optimization of sinter plant operating conditions using. Sinter plant operation pdf by sintering, the pelletisation of finegrained, smeltable ores, iron ore in particular, to compact lumps by heating nearly to the. Choudhary, cmd, rinlvsp today at a glittering function held in the plant premises. The main results which are of interest for the plant operation are the specific energy flow in the sintering process, bed temperature, exhaust gas temperature, coke consumption as well as calcination and sulfation, dryingcondensation, and sinter quality. To speed up sintering, improve the quality indices for the charges agglomeration, and reduce the consumption of solid fuel, it is best to use milk of lime and hold crushed lime with the concentrate before the sintering operation. A brief analysis is made of the systems currently used for aspiration, dust collection, and cleaning of gases exhausted from the front parts of the sintering machines in sinter plant no. Allows to merge pdf files with a simple drag and drop interface. For smooth sinter plants operation, changes to the operating conditions should be few and. Foxyutils is a collection of easy to use, timesaving online tools to merge, split, convert. The objective of the sintering process is the agglomeration of a mixture of iron ore mineral fines 0.