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CN102010987A

The invention discloses a vanadium and titanium pellet ore production process which is used for producing by using a drying grate and a rotary kiln and has the characteristic of lowering energy consumption in the process The vanadium and titanium pellet ore production process comprises the following steps of mixing iron ore concentrate and bentonite so as to obtain a mixture and adding an

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travelling grate pelletizing for iron ore

Rotary Kiln-travelling Grate Iron Pelletizing 5T/H Fuel Wood Pellet Making Plant Using Kinds of Biomass Waste as Raw Materials Automatic Fields Waste Fuel Pellet travelling grate iron ore pelletizer ststem 9 3 Travelling Grate Systems for Pelletizing of Iron Ores travelling grate

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spain producers who use iron ore pelletizing kiln

2012-01-01 As fewer and less fluxes are used hydrated lime can help improve the Fe grade and strength of preheated and fired pellets As the raw materials available to produce fluxed pellets become more difficult more attention is being paid to the use of hydrated lime in iron ore pelletizing

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APPLICATION OF COMPUTATIONAL FLUID DYNAMICS

moving grate band rotary kiln and an annular cooler see flowsheet in Figure 1 Wet green pellet balls are fed on the moving grate to form a bed depth of 0 20-0 25 m The width varies between 4 6 and 5 66 m depending on plant Slurry of ground iron ore rich in magnetite is the main raw material for balling operation to green pellet balls

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Steel News

The grate-kiln system is energy efficient As the pellets are heated in a thin layer in two stages power consumption is low In addition because of uniform firing in the rotary kiln the pellets are of consistent high quality The mixing of the pellets in the rotary kiln enables the pellets

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Pelletizing Process

a straight grate system Raw material Balling disc Green ball Comments Straight-Grate Grate-Kiln-Cooler No Items Pellet quality 1 Grate-Kiln-Cooler process enables all pellets to be uniformly and adequately heat-hardened by tumbling action and be held at the peak temperature for longer period than in Straight-Grate a) Uniformity

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iron ore pellets manufacturing process by tunnel kiln

Although iron powder could be produced in sponge iron tunnel kiln production line and it is the main raw material for powder metallurgy production lines Process In sponge iron production plant by tunnel kiln method after crushing and screening raw materials iron ore coal and limestone are mixed and charged in storage bins in certain ratios

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Understanding Pellets and Pellet Plant Operations – IspatGuru

Mar 21 2015The grate-kiln system offers excellent temperature control in all stages of the process and produces a consistently uniform quality pellet Fuel consumption is 75 M cal to 100 M cal per ton of standard pellets produced when using magnetite ore and up to 170 M cal per ton of standard pellets produced when the feed is hematite

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th European Coke and Ironmaking Congress Proceedings

2 2 Raw Material preparation and dust treatment The raw materials for the experimental blast furnace are normally produced before each campaign The test pellets are produced either in the Steel Belt Plant located in Malmberget or in one of the grate kiln plants located in the Kiruna area Pellets are made using normal pellet feed concentrate

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pellet plant kiln burner

Iron ore pelletizing Grate-KilnTM system - The kiln burner can use liquid gas or solid (coal or biomass) fuels separately or in in the rotary kiln the pellets produced in a technology for Grate-Kiln pellet plant will make it possible for operators to increase capacity reduce fuel and power consumpti-on and reduce maintenance costs

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RASHMI Group

The company adopted Grate Kiln Technology for its Iron Ore Pellet Manufacturing Unit The Company engaged Jiangshu Hongda Special Steel Manufacturing Co Ltd of China for supplying the major plants and machineries along with assistance in design erection and commissioning of the Unit Main Production Units (apart from pellets) and their capacity

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Iron Ore Pelletizing Grate

Traveling grate CFD Model Baffle walls Preheat zone Common windbox sloped floor Feautures and benefits Pellet quality Ported kiln operation Predictive control systems Because the induration of the pellets occur in the rotary kiln the pellets produced in a Grate-Kiln system are consistently of higher quality than those produced in a straight grate

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Grate

Brief Introduction Pellet is of quality metallurgical raw material with high grade strength uniform size and excellent metallurgical property Pellet made from ground iron ore concentrates can help create remarkable economic benefit Chain Grate Bar-Rotary Kiln production line is

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Sawdust Pellet Machine Makes Quality Sawdust Pellets

May 15 2014How to make quality sawdust pellets with sawdust pellet machine? Sawdust preparation As the sawdust arrived in the sawdust pellet machine plant the moisture content should be tested The moisture content gives the proportion of evaporable water in the total weight of material

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pelletization theory grate kiln technology

traveling grate for grate kiln process pictures traveling grate for grate kiln process pictures The Grate Kiln Process was developed by Allis Chalmer and the first plant on this technology was constructed in 1960 In the Grate-Kiln process (Fig 3) the traveling grate is used to dry and preheat the pellets Get A Free Quote [Chat Online] Pelletizing Process

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Ring Formation In Ratary Kiln Iron Ore Pellets

The rotary kiln provides constant mixing of the pellets bringing all the pellets to the same temperature In a straight grate the pellets at the top of the bed are "over cooked" and those at the bottom are "under cooked" Higher quality means fewer fines better reducibility and less variation in compression strength

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Influence of Pellet Basicity (CaO/SiO2) on Iron Ore Pellet

Corex iron making units prefers fluxed pellets as iron bear-ing feed because fluxed pellets gives precise quality re-quirements required by the iron making units The quality of the pellet is affected by the type of the raw chemical composition raw material mix proportion gangue content and flux proportion and their subsequent treatment

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rotary kiln iron ore pellet process in south africa

rotary kiln iron ore pellet process in south africa HFC Refrigerants (55) HST Hydraulic Cone CrusherHST series hydraulic cone crusher is combined with technology such as machinery hydraulic pressure electricity automation intelligent control etc representing the most advanced crusher technology in

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Grate

The grate-rotary kiln pellet process of chromite concentrate which is not only complying with the chrome ore agglomeration process but also meeting the development of grate-rotary kiln pelletizing technology and is an effective mearsure of increasing use of high-carbon ferrochrome as well In this work aiming at study on grate-rotary kiln pellets of 0 3Mtpa chromite concentrate's mass

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straight grate induration machine

Straight Grate Induration Equipment Suppliers Straight Grate Induration Equipment Suppliers Iron ore induration process kaolin equipment suppliers The green pellets are then fed to the induration machine Both straight grates and grate kilns dry the pellets out in a drying section then bring the pellets up to a temperature of about C in a preheat zone then finish the induration process at

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in cement industry

The formed clinker falls from the kiln into the grate cooler The cooler area is also a problematic zone due to high thermal shock and abrasion We use high quality raw materials and special binders in our monolithics which are capable of resisting the severe conditions in the grate cooler

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Pelletizing Grate Kiln

The pellets production include four stages raw materials preparation formation of green balls or pellets induration of the pellets cooling storage and transportation of pellets In the Grate-Kiln process the traveling grate is used to dry and preheat the pellets

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iron ore pelletisation kiln temperature wikipedia

Apr 14 2013Iron Ore Pelletizing Technology Today however pellets account for more than 97 Grate Kiln—Combines the grate temperature heating in the kiln Computational Materials Science Mathematical model for a straight grate iron ore pellet are considered to evaluate the gradient of temperature within Pelletizing of Iron Ores

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Traveling Grate Pelletizing Plant

Outotec's traveling grate pelletizing process consists of a green balling section where after the mixing stage green pellets are formed either by rolling on discs or in drums The green pellets are then screened and heat-hardened in the indurating furnace The process comprises four steps Raw material preparation and mixing Green pelletizing

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Study of the induration phenomena in single pellet to

Study of the induration phenomena in single pellet to quality of raw materials for the subsequent reduction processes such as blast furnace or blow temperature should be controlled for better pellet quality and grate bars protection avoiding super heating [2] this

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Kobe Steel provides license to FL Private Limited

Apr 23 2014The grate-kiln system is energy efficient As the pellets are heated in a thin layer in two stages power consumption is low In addition because of uniform firing in the rotary kiln the pellets are of consistent high quality The mixing of the pellets in the rotary kiln enables the pellets to be exposed to the same temperature

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AIST

Since then numerous improvements have been made with respect to energy efficiency pellet quality and mechanical equipment design At this time three different technologies are used for thermal treatment of raw pellets shaft furnaces grate-kiln and straight-grate with the latter having about two thirds of the global pellet induration

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grate travelling kiln iron ore pellet plant

factors influencing material loss during iron ore pellet handling 2 Factors affecting dust generation from iron ore concentrate pellets compares fines generation between pellets fired in Straight-Grate (Traveling Grate) and generally accepted that pellets indurated in Straight-Grate and Rotary Kiln were made by industrial iron ore pellet plant operations other samples were

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