31 material balance in a rotary kiln sponge iron plant 14 32 energy balance in a rotary kiln sponge based iron making 14 33 schematic of optimised rotary kiln sponge iron making process 21 41 industrial view of sponge iron making rotary kiln 24 42 schematic view of.Read more; rotary kiln design calculations.Get Quote
Mar 01, 2017· however, very little work is available related to cfd analysis of rotary kiln of sponge iron process such as: prasad and ray developed 2d model to simulate flow pattern of air in rotary kiln of a typical 100 tpd sponge iron plant.They considered different positions of air pipe such as 50 mm, 100 mm, 150 mm and 320 mm above the axis for.
This study focuses on sponge iron kiln based process.The chemical process involved in making sponge iron removes oxygen from iron ore by using a reducing agent in the form of non-coking coal [patra et al, (2005)].The reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed speed.
Rotary kiln process of making sponge iron -- 2.1 historical background -- 2.2 important features -- 2.3 sponge iron pilot of rdcis sail -- 2.4 features of a rotary kiln sponge iron plant -- 2.5 the indian scene -- 2.6 why should we select a rotary kiln? -- 2.1 process strengths -- 2.2 product strengths -- 2.3 weaknesses of the process.
Get this from a library! advances in rotary kiln sponge iron plant.[k k prasad; hem shanker ray] -- annotation about the book: now that india is virtually the only player in this field, an elaboration is needed with respect to more fundamental understanding as well as future prospects and needs,.
The idea of this technology is to utilize the heat or energy contained in sponge iron (temperature of sponge iron > 1000 o c) at the end of rotary kiln before it is cooled by rotary cooler to.
The waste gas from a sponge iron plant exits at a temperature of around 200-300 c.A lot of sensible heat is lost with these gases.This heat is utilized to preheat the air entering to kiln.Further, the waste gas at reduced temperature is used to cool hot sponge iron which is previously carried out by water.
The results showed that the rotary kiln could be divided into three major functional zones: reduction of hematite to wüstite occurred at 10231163 k; wüstite transformed to fine metallic iron.
Large number of viable design and operating candidates.Introduction rotary kilns (figure 1) are used for a range of mineral processing operations.Kilns range in size from 26 m in diameter and can be 50225 m long with an operating mass of up to 3000 t.Two of the most common applications are for cement production and sponge iron production.
We manufacture sponge iron plant on turn-key basis of different functional capacities i.100 tpd, 300 tpd, 500 tpd plants.The equipment support provided for the plants include kiln/cooler tyre, kiln/cooler support roller, kiln/cooler support roller shaft, kiln/cooler support roller assembly with bearing housing, kiln/cooler girth gear, kiln/cooler pinions, kiln/cooler pinion shaft, kiln.
1 y followed for sponge iron this chapter describes the.Generally in any sponge iron process, reduction is conducted in a refractory lined rotary kiln.The coal and iron ore are metered into the high end of the inclined kiln.Co with feo to form co2 and metallic iron .
Coal based rotary kiln for direct reduced iron / sponge iron (100 tpd, 350 tpd, 500 tpd) solid state reduction of iron ore using either coal/gas as a medium of reduction to produce a substitute raw material for steel making is termed as direct reduced iron (dri).
A wide variety of rotary kiln design calculations options are available to you, menu.Cement rotary kiln for 500t/d sponge iron production line, high quality cement rotary kiln,.180-10000t/d cement rotary kiln plant manufacturer sale to russia and iran.
About product and suppliers: 40 rotary kiln sponge iron plant china products are offered for sale by suppliers on alibaba.Com a wide variety of rotary kiln sponge iron plant china options are available to you, there are 9 suppliers who sells rotary kiln sponge iron plant china on .
In this plant tabas iron ore and coal was used to sponge iron production by tunnel kiln method.Engineering design and construction of sponge iron production line by tunnel kiln method is operated by aramico technical and engineering group.Sponge iron is an ideal charge in steelmaking industries and it is used for making different.
Our cement rotary kiln and sponge iron rotary kiln has been developed for performing drying, calcination and sintering work in a continuous process.Widely used for cement, pet coke calcination, sponge iron and other materials, it uses hot gases for the operation.
1 material balance in a rotary kiln sponge iron plant 14 3.2 energy balance in a rotary kiln sponge based iron making 14 3.3 schematic of optimised rotary kiln sponge iron making process 21 4.1 industrial view of sponge iron making rotary kiln 24 4.2 schematic view of internal heat exchange in rotary kiln 26.
Sponge iron plant equipment 100 tpd, 200 tpd, 350 tpd, 500 tpd, 600 tpd, 650 tpd, 900 tpd dri steel plant equipment manufacturer [email protected]
We have length of rotary kiln for 100ton sponge iron plant,5.1 sponge iron plant there is a plan to install 4x100 tpd dri kilns for production of 1,20,000 tpa sponge iron.Manufacturing process the proposed plant uses the coal based process in which iron oxide in pelletiron ore will be reduced with non coking coal in a rotary kiln to make sponge iron.
In the first phase one 350 tpd rotary kiln and 8mw power plant have been commissioned and are operating smoothly.Sponge iron plant sponge iron plant or direct reduction plant (drp) is designed to produce 350tons of sponge iron per day in a rotary kiln using iron ore, non coking coal and dolomite as the raw materials.
Rotary kiln (1050 c) kiln air at 30 c flue gas fly ash fines of iron ore at 900 oc kiln feeding iron ore: feed coal: dolomite all at 30 c rotary cooler sponge iron (magnetic) at 110 oc water: at 30 oc dsc 900 c 1020 c dust: abc air: whrb waste gas water: esp dust wet scraper waste gas dusty gas chimney steam water: at 34.
Com offers 46 kiln for sponge iron products.About 2% of these are industrial furnace, 19% are cement making machinery.A wide variety of kiln for sponge iron options are available to you, such as usage, local service location, and key selling points.
Popuri engineeing technologies pvt ltd formerly known as popuri engineering and consultancy service (pecs) is the first and leading engineering & consultancy company in india, which provides complete consultancy services from green fields to commissioning of dri (sponge iron) manufacturing units.We designed and commissioned our first sponge iron plant of capacity 10,000 tpa near hyderabad in.
The rotary kiln process chosen for the unit considers reduction of iron ore (5-20 mm) with solid carbonaceous material like coal heated up to a temperature of 950-10000c in rotary kiln and then.Cooled in a rotary cooler with external water cooling system.
Boudouard reaction, dolomite, dri, iron ore, metallization, non coking coal, pellets, reduction, rotary kiln, sponge iron, sulphur, coal based direct reduction rotary kiln process.The coal based direct reduction rotary kiln process was developed for converting iron ore directly into metallic iron without the melting of the materials.
Rotary kiln design calculations aerzte-vermittlung.Steps on rotary kiln design calculations.Steps on rotary kiln design calculations posts related to design calculation of rotary dri kiln.Mass and heat balance in rotary kiln calculation.Cracking of an air tube used for supplying air in rotary kiln of a sponge iron plant is.
Sponge iron kilns cylinder: the design of the sponge iron rotary kiln cylinder is more reasonable.The cylinder is rolled with a q235-b steel plate to ensure five mechanical properties, usually with automatic welding.The wall thickness of the cylinder is generally 25 mm, and that of the firing zone is 32 mm.
Direct reduction of low-grade iron ore pelleted with coal was investigated using a pilot-scale rotary kiln.The evolution of the iron minerals, the strength of the pellets, and the emission.