The present study was successful in achieving a successful partial substitution of coke for iron ore sintering The proportion of coke replaced was 10 with SD 30 with CH and 30 with the SDCH blend These results were compatible with the specific sintering strength and reducibility parameters
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The present study was successful in achieving a successful partial substitution of coke for iron ore sintering The proportion of coke replaced was 10 with SD 30 with CH and 30 with the SDCH blend These results were compatible with the specific sintering strength and reducibility parametersRead More
Other articles where Coke breeze is discussed iron processing Sintering of fine coke known as coke breeze within the ore generates the necessary heat Before being delivered to the sinter machine the ore mixture is moistened to cause fine particles to stick to larger ones and then the appropriate amount of coke is added Initially coke on the upper surfaceRead More
Effect of Granule Structure on the Combustion Behavior of Coke Breeze for Iron Ore Sintering Yasuhiro TOBU1 Masanori NAKANO2 Terushige NAKAGAWA3 and Tetsuya NAGASAKA3 1 Advanced research Labs Nippon Steel amp Sumitomo Metals Corporation 201Read More
The iron ore sinter which was produced by using coke breeze without sieving yielded low productivity for both sinter machine and blast furnace Furthermore using coke breeze without sieving in sintering of an iron ore decreases the vertical velocity of sinter machine and increases the reduction time Keywords Coke fine Granulation Iron oreRead More
The iron ore sinter which was produced by using coke breeze without sieving yielded low productivity for both sinter machine and blast furnace Furthermore using coke breeze without sieving in sintering of an iron ore decreases the vertical velocity of sinter machine and increases the reduction timeRead More
The iron blast furnace is the most widely used and efficient producer of liquid iron however emissions from sintering and coking cause environmental pressure for the integrated steel works The combustion of coke fines breeze during sintering contributes to greenhouse gases GHG eg carbon dioxide and is a source of SOx and NOx emissionsRead More
Nov 25 2018nbsp018332Sintering of iron ore is a generic term which is used to describe the process whereby a sinter mix raw mix or green mix of iron ore fines fluxes fuel coke breeze and plant return fines eg mill scale blast furnace dust and returned sinter fines etc are converted into aRead More
which includes sintering and blast furnace processes and only the sintering process represents around 20 of this amount15 Therefore sintering and blast furnace processes offer good opportunities to decrease the CO 2 emissions since mall decreasing of the coke breeze consumption and bonding agent used in iron ore sintering processRead More
The iron blast furnace is the most widely used and efficient producer of liquid iron however emissions from sintering and coking cause environmental pressure for the integrated steel works The combustion of coke fines breeze during sintering contributes to greenhouse gases eg carbon dioxide and is a source of SO x and NO x emissionsRead More
The temperature in the sintering bed is preferably maintained between 1200176C and 1400176C during sintering to produce high strength and reducibility sintered ore To achieve this condition the technology of combined usage of coke breeze and gaseous fuel which is fed properly from the top surface of the sintering bed was developedRead More
The quality of iron ore fines have been deteriorating which has affected sinter quality and productivity adversely New pretreatment and sintering technologies are therefore required to tackle the gradual change in the quality of iron ore fines In the sintering process iron ore fines are first granulated with fluxes such as limestone and coke breezeRead More
Sintering is a thermal agglomeration process that is applied to a mixture of iron ore fines recycled ironmaking products fluxes slagforming agents and solid fuel cokeRead More
May 18 2017nbsp018332Sintering process is also used in the ironmaking and steelmaking as recycling system as apart from using iron ore fines and additives such as fluxes and coke breeze mill scale collected dusts and to a much lower extent sludges from gas cleaning other recycled byproducts of steel manufacture and recycled sinter particles from sinterRead More
Modeling Sintering Process of Iron Ore 25 Fig 2 Thermal cycle of the materials in the sinter strand Several attempts have been done to predict the final properties of the sinter product Water et al 1989 Kasai et al 1989 1991 The most important parameters are reducibilityRead More
Anthracite coal as fuel for iron ore sintering is compared with coke breeze Anthracite is lower in porosity higher in density and slower in combustion rate With higher proportion of anthracite in fuel permeability of sinter bed tends to decrease resulting in lower sinter productivityRead More
gives an indication of the end of the sintering process The represented iron ore limestone 30 of the charge sinter return coke breeze 13mm and charcoal were blended together and then water 12 of the charge was added through mixing the raw materials The sinter charge basicity CaOSiO2 09Read More
The fuel used in iron ore sintering processes is coke breeze Its combustion yields enough amounts of heat which is delivered to the sinter mix One of the factors that signi cantly affect the course of coke breeze combustion is its grain size Many studies and industrial practices have shown that coarsegrained coke breezeRead More
Jayaram et al Experiences in sintering iron ores TABLE I Typical results on the effect of variation in coke breeze input on the quality of sinter Reducibility H2O Coke Shatter index collected ml of sinter mix 15in 05in 60 min 100 min Series A 55 200 384 4l3 132 160 60 188 400 104 140Read More
suijitupian146jpgquot gt Theory and Practice of Sintering of Iron ore Theory and Practice of Sintering of Iron ore Sintering of iron ore is a generic term which is used to describe the process whereby a sinter mix raw mix or green mix of iron ore fines fluxes fuel coke breeze and plant return fines eg mill scale blast furnace dust and returned sinter fines etc are convertedRead More
in the iron ore sintering process The primary fuel was coke breeze and total heat output of all the tested raw blends was the same and was calculated as 38 wt coke breeze The coke substitution and energy requirement provided by sawdust from oak wood SDOW was in the range of 8 44Read More
For the experiments iron ore iron concentrate dolomite limestone coke breeze and sawdust from oakwood were used In the experiments following parameters of sintering charge were considered Fe total 44 basicity 16 moisture 10 content of fuel 38 The processRead More
The model predictions indicated that for all cases except only BFG the sintering zone is enlarged and the solid fuel consumption is decreased about 8kgt of sinter product In order to maximize the steelworks gas utilization it is recommended the use of mixture ofRead More
In the sintering process a premixed burden of base mix essentially consisting of iron ore fines fluxes sinter return fines and coke breeze in specified proportions is charged onto the sintering car pallets which move at a constant speed 18 mmin and enter an ignition hood furnace where the top surface of the sinter bed is ignitedRead More
Aug 10 2020nbsp018332Specifically iron ore sintering requires the use of fine ore produced by crushing highgrade iron ore into particles only a few millimeters in diameter Depending on the specific machine and iron ore sintering process used substances such as coke breeze and burnt limestone are used to ignite and heat the iron ore particles until theRead More
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