Debadatta Barik - Senior Manager - Shree Jagannath Steel
Experience in handling from Green field Projects concept to commissioning & Maintenance for Iron ore Pellet & Beneficiation plant of 0.6 / 1.2 MTPA capacity using Chinese Grate Kiln Technology,Russian Uralmash Straight Grate Technology and for Direct Reduction of Iron (Sponge Iron) plant of 350 TPD using coal based Rotary Kiln & Cooler
straight grate iron ore pellitizing technology Solution
Mathematical model for a straight grate iron ore pellet induration process of industrial scale University of Technology, P.O. Box 11365-9466, Tehran, Iran, Grate-Kiln Process Iron Ore Pelletising Caiman Corporation. There are two major processes for the production of Iron ore pellets: Straight Grate Grate-Kiln technology.
Pellet Plant Products KOBE STEEL, LTD.
-Pelletizing Process can produce superior and various quality pellets because of application of rotary kiln where pellets are heated and fired unifomly, know-how of plant operation & quality control, and advanced process control system. And the process can use various iron ores such as magnetite ore, hematite ore, dry or wet material.
Grate-Kiln-Cooler process allows independent operation adjustment of grate, kiln and cooler, which enables the operators ; a) to, easily and without any risk, decrease and increase the rate of pellet production. b) to overcome radical changes in the characteristics of iron ore materials fed to the
Outotec to Supply Grate Kiln Iron Ore Pellet Plant
Apr 08, 2021· Outotec Traveling Grate Pelletizing is the industrys leading induration technology for iron ore pellet processing and is designed for a wide range of plant
Pelletization - an overview ScienceDirect Topics
Jan 01, 2012· In Grate-Kiln process, green pellets are fed on oil or gas-fired endless Straight Grate machine where they are dried and preheated. The preheated pellets are then fed to a rotary kiln where their temperature is raised in oxidizing atmosphere to 12901400 °C. In induration, ore grains are sintered together with oxidation and slag-forming bonds.
Iron Ore Pelletizing Process: An Overview IntechOpen
Jul 11, 2018· The iron ore production has significantly expanded in recent years, owing to increasing steel demands in developing countries. However, the content of iron in ore deposits has deteriorated and low-grade iron ore has been processed. The fines resulting from the concentration process must be agglomerated for use in iron and steelmaking. This chapter shows the status of the pelletizing process
Outotec to supply large-capacity Grate-Kiln iron ore
Apr 08, 2021· Outotec has signed a contract with an Indian customer for the supply of a large-capacity Grate-Kiln pellet plant in the State of Odisha, India. The contract is booked in Metals Q1/2021 orders received. Typically, the value for this type of an order is in the range of EUR 30-40 million, depending on the scope of delivery.
Iron Ore Pelletizing Grate-Kiln System Brochure -
Plant overview Grate-KilnTM iron ore pelletizing system The first Grate-KilnTM system pellet plant was installed in 1960. The plant took iron ore concentrate and produced superior iron ore pellets (which are spheres of high iron content and uniform quality) for blast furnace and direct reduced iron feed. Since then, Grate-Kiln systems have been used for over 50 plants, on both magnetite and
Grate kiln system - Outotec
Grate Kiln systems consist of three major pieces of equipment. The Grate, the Kiln and the Cooler. The object of the process is to transform the pelletized concentrate into hardened pellets that can be used as blast furnace feed or direct reduction furnace feed.
Recent technological advancements in high capacity pellet
Two industrial systems dominate the iron ore pelletising industry Outotecs travelling grate (accounting for over 2/3 global production) Grate-Kiln pelletising system Note: low capacity shaft furnaces have only regional relevance The Outotec travelling grate is unique Plant capacity available from 1.0 to 9.25 Mtpy in a single machine
Pelletizing - LKAB
The pellets are formed. In the pelletizing plant, a clay mineral, bentonite, is added as a binder in the iron ore concentrate. Pellets with a diameter of around 10 mm are then formed in large, rotating drums. When the pellets have been rolled, they are transported for drying and pre-heating. Drying and pre-heating. Drying and pre-heating
[PDF] The grate-kiln induration machine - history
Iron ore pellets are a preferred feedstock for ironmaking. One method used for pelletizing is the grate-kiln process, first established in 1960. During the past decade, the establishment of new gra
Large-capacity grate-kiln iron ore pellet plant M i N M E T
Jul 10, 2020· Large-capacity grate-kiln iron ore pellet plant April 16, 2021 April 15, Outotecs scope of delivery includes basic engineering and process technology for the Grate-Kiln pellet plant, including the core proprietary equipment consisting of traveling grate, kiln, and cooler, as well as supervisory services for commissioning, and spare
Grate-Kiln System for iron ore pelletizing -
The plant took iron ore concentrate and produced superior iron ore pellets (which are spheres of high iron content and uniform quality) for blast furnace and direct reduced iron feed. Since then, Grate-Kiln systems have been used for over 50 plants, on both magnetite and hematite ores, with an installed capacity of over 115 million tpy.
difference between rotary kiln and straight grate technology
comparision straight grate versus grate kiln cooler. difference between rotary kiln and straight grate technology grate kiln technology manufacturers in india grate sintering iron pellets grate kiln type furnace or a straight gratekiln iron ore pelletizing plant the aim the pellets are fed into a rotary kiln Drying and preheating processes of iron ore pellets in a A mathematical model of
GIIC :: PROCESS
The plant imports iron ores, the primary raw material, mainly from Brazil. The Grate-Kiln technology is used for pelletizing the iron ores. As part of pelletizing process, the ores undergo drying, grinding, balling and indurating process stages. Natural gas is used as fuel. Quality of pellets produced is checked at every process stage, to
to supply large-scale grate-kiln pellet plant to India
Apr 09, 2021· According to the statement, the grate-kiln plant with an annual production capacity of six million mt produces pellets of uniform quality with low emissions, and it has low investment and operating costs. The plant will be the first large-scale grate-kiln pellet plant in the country.
Annular Cooler - Annular Cooler Of Pellet Plant AGICO
Annular cooler for sale! The annular cooler is one of the indispensable machines in iron ore pellet plants. It is a crucial part of the grate-kiln pelletizing process. The grate-kiln pelletizing plant is composed of a traveling grate preheater, rotary kiln, annular cooler, disc pelletizer, etc.
Product & Services Tata Steel Long Products Limited
The pellet plant (using the grate kiln technology) is used to agglomerate and indurate iron ore fines into pellets, while the sinter making enables us to agglomerate iron ore fines into a coarse product, i.e. the sinter. Hard and semi-hard coking coal is heated in the coke oven facility which consists of two batteries containing 48 ovens each.
Deposit Formation in a GrateKiln Plant for Iron-Ore
Buildup of deposit material in chunks on refractory linings caused by combustion of various fuels is a well-known problem. This study characterizes the short-term deposits on refractory material in a gratekiln process, carried out through in situ measurements using a water-cooled probe with a part of a refractory brick mounted in its end. Sampling was carried out during combustion of both
(PDF) Iron Ore Pelletizing Process: An Overview
Oct 06, 2017· While the combustion of biomass can be carbon-neutral, the effects of biomass ash upon slagging during the iron-ore pelletizing process in a grate-kiln setup is unknown.
ROLE OF IRON ORE PELLETS TO ACHIEVE TARGET OF
Tata Steel pellet plant -1980 s : 6MTPA plant imported for setting up or substantial expansion of iron ore pellet plants or iron ore beneficiation plants from 7.5% to 2.5% Shaft Furnace Technology Grate-Kiln Process
The pellets produced by Xindia will cater, both to the domestic iron and steel industry and also to burgeoning export markets in China, Japan, Korea, which are largely dependant on imported Iron Ore to feed their blast furnaces and DRI (Sponge Iron) kilns. Pelletisation is a major process of agglomeration where micro fines, either in the form
Iron Ore Pelletization Iron Ore
Grate-Kiln System Reference Plant 23 LKAB Kiruna, Sweden This was the fourth Grate Kiln iron ore pelletizing plant installed for LKAB and the largest system constructed to date Equipment Specifications : Traveling Grate 5664 mm x 70240 mm Rotary Kiln 7470 mm diameter x 6858 mm diameter x 40000 mm long
50 Years of Iron Ore Pelletizing Experience and Innovation
Grate-Kiln Traveling Grates 0 20 40 60 80 100 120 140 Magnetite Magnetite/ Hematite Hematite Limonite/ Weathered Ores 1.8 4.2 1.2 0.0 25.0 2.6 3.1 0.0 89.2 52.6 36.3 5.6 126.5 52.8 120.7 44.4 Pelletizing capacity ever built China not fully shown Status: 07/2012 5 29.04.2013 World DRI and Pellet Congress, Abu Dhabi
Guidelines for Selecting Pellet Plant Technology
As greater amounts of fine iron ore concentrates enter the marketplace, new investments in iron ore pelletising capacity are inevitable to deliver these concentrates to steel industry consumers. When investors assess the two well-proven pelletising technologies, the straight grate and grate-kiln, the most appropriate choice may not be immediately evident.
(PDF) GUIDELINES FOR SELECTING PELLET PLANT TECHNOLOGY
Figure 2 forecasts iron ore pellet feed production until 2025. transfer from the travelling grate to the rotary kiln at the laboratory or pilot plant scale. The straight grate technology
Guidelines For Selecting Pellet Plant Technology
As greater amounts of fine iron ore concentrates enter the marketplace, new investments in iron ore pelletizing capacity are inevitable to deliver these concentrates to steel industry consumers. When investors assess the two well proven pelletizing technologies, the straight grate and grate-kiln, the most appropriate choice may not be
Iron ore pelletisation plant, using the grate kiln process
Iron ore pellets are being increasingly favoured in modern blast furnaces. The proportion of pellets in iron making is increasing due to their properties such as higher density, uniform granularity, good reductability, etc. Pellet is a good material for sponge iron making also. When used in the rotary kiln, pellets reduce the iron ore
iron ore pellet plant layout grate kiln technology
Manufacturing Arya Group. Iron Ore Pellets The Group owns and operates a 12 Million MT / Annum Iron Ore Pellet Plant in Orissa The Pellet plant is the largest and first of its kind Grate Kiln Technology We were the 1st Merchant Plant which sold 100 of the product in the domestic and international markets
Pellets The Hira Group
Iron Ore Pelletization Plant . The mixed material is subjected to the green balling and further to the Indurating Grate, Kiln-Cooler process where the drying, pre-heating, firing and cooling takes place to complete the entire Induration process. Our final fired Iron Ore Pellet acquires the best techno commercial and required physico
SINTERING AND PELLETISATION OF INDIAN IRON ORES
High grade iron ore less than 10% of the total reserves. ROM iron ore with Fe less than 58 60% discarded as waste. After beneficiation iron ore availability can improve by about 50%. Steel community and the country demand technological solutions for utilising low grade ores. The technology task that would be imperative: 1.
Iron Ore Pellatisation Application in Steel Industry
Grate Kiln process is unique process designed to evenly indurate pellets to increase its mechanical properties. This process employ a conventional Straight Grate followed by a Rotary Kiln designed to churn the pellets & thus increase even heating as well to avoid fragmentation in transportation.
Iron Ore Pellatisation Application in Steel Industry
Technology for the Project was offered by , Japan. who has recommended Grate Kiln Technology of Minerals. Grate Kiln process was then a first- of- a-kind application for Thermax, despite having supplied numerous Air pollution control equipment on Straight Grate Pellet plant. The challenge in this case was the high
straight grate pelletizing plant indurating machine
Iron Ore Pellets Kiln, Iron Ore Pellets Kiln Suppliers and sponge iron kiln ofr sponge iron plant 1.Mega company designs and develops 300,000-1,500,000TPY pelletzing line with design organizations,use the productive technology of chain grate machine-rotary kilnRecirculation cooler,the raw material has better applicability,make blast furnace
Arya Iron & Steel Company Private Limited
Arya Iron and Steel Company Private Limited (AISCO) is operating a 1.2MTPA Iron Ore Pellet Plant in Barbil, Odisha. AISCO is the first merchant Pellet Plant in India & also the first Pellet Plant in India to use the Grate-Kiln technology.: AISCO has been recognised for its Business & Social Cause efforts within the region & have been awarded a Corporate Excellence Award for Best CSR
Iron ore pelletisation plant, using the grate kiln process
Iron ore pelletisation plant, using the grate kiln process We offer iron ore pelletisation plants from a reputed manufacturer in China, based on the grate kiln technology. The plants are available in capacities from 1,00,000 tons to 1,20,000 tons per annum.
Deposit Formation in a Grate-Kiln Plant for Iron-Ore
Slag formation in the grate-kiln process is a major problem for iron-ore pellet producers. It is therefore important to understand the slag formation mechanism in the grate-kiln production plant. This study initiated the investigation by in situ sampling and identifying particles in the flue gas from a full-scale 40 MW grate-kiln production plant for iron-ore pelletizing. Particles were
CFD analysis of an induration cooler on an iron ore grate
Aug 01, 2009· 1. Introduction. Iron ore pelletization is a process for the agglomeration of finely ground iron ore to enable the product to be charged and reduced within either DRI or blast furnaces (Ball et al., 1973, Meyer, 1980).During the last 3 years or so, OneSteels Whyalla steel plant has had a major project to develop a new mine facility to supply magnetite ore to its iron ore pellet plant, which
Grate-Kiln pellet plant Archives - International Mining
Apr 08, 2021· 8th April 2021 Comminution of minerals, Mining equipment, Mining services, Steel and iron ore Grate-Kiln pellet plant, India, Iron ore, Jari Ålgars, Outotec, Odisha, pellets Daniel Gleeson Outotec has signed a contract with an Indian customer for the supply of a large capacity Grate-Kiln pellet plant in the State of Odisha, India.
Iron Ore Pellets and Pelletization Process IspatGuru
Nov 26, 2014· Iron Ore Pellets and Pelletization Process. Pelletizing of iron ore was started in the 1950s to facilitate the utilization of finely ground iron ore concentrates in steel production. For the pelletizing of iron ore there are two main types of processes namely, the straight travelling grate (STG) process and the grate kiln (GK) process.