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350 T D Spange Iron Rotary Kiln Pdf

Rotary Kiln Maintenance Manual Rotary Kiln

rotary kiln operations. Regardless of rotary kiln size or configuration the basic principles outlined in this manual govern the reliable operation of every rotary kiln, calciner, dryer, incinerator, digester and cooler application. For questions or problems with your specific application please contact North American Kiln …

THE KRUPP SPONGE IRON PROCESS PRODUCTION …

leaving the rotary kiln and prehardened to a compressive strength of at least 10 kgf/pellet. This strength is necessary for subsequent treat-ment in the rotary kiln. Experience with different raw materials In the past, a number of different ores and fuels have been tested for their amenability to treatment by the KRUPP Sponge Iron Process.

PDF Modeling Of Rotary Kiln For Sponge Iron Processing

Modeling of Rotary Kiln for Sponge Iron Processing Using CFD package (ANSYS 13.0) A Thesis Submitted for Partial Fulfillment of the Degree Award Of MASTER OF TECHNOLOGY In CHEMICAL ENGINEERING Under the supervision of

Study on Air Tubes Failure in Sponge Iron Rotary Kiln

Keywords: Sponge Iron, Heat Transfer, Rotary Kiln . 1. Introduction . In Rotary kiln, carbon is charged from either end, in one end in the form of coal particles and in another in form of coal lumps. The coal reacts with air to form carbon monoxide which then reduces iron oxide (ore) to iron. So, in a kiln,

DESIGN OF WASTE HEAT RECOVERY SYSTEM IN A

in the sponge iron process. For this purpose a case study of typical sponge iron production process is considered. 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.

Energy Audit Methodology of Sponge Iron …

Jul 14, 2014 Raw material mix-iron ore, dolomite and coal are fed to one end of rotary Kiln and product sponge iron along with char is taken out from the other end. Apart from this, primary and secondary airs are supplied to the Kiln to initiate the combustion and reaction processes. The reaction takes place at high temp (1050 to 1065?C ?C).

CLEAN DEVELOPMENT MECHANISM PROJECT DESIGN

The ASL Sponge Iron unit at present consists of one rotary kiln of 500 TPD and the flue gas generated from the kiln is about 120,000 Nm3/hr at 950-10000C. Flue gas with high heat content is generated in the Rotary kiln in the Sponge iron plant during conversion of Iron Ore into Sponge Iron. The entire

New Sponge Iron Rotary Kiln Design In Sponge Iron ...

Sep 10, 2020 The water in the mixture, the carbon dioxide in the dolomite, and the volatile components in the coal enter the upper space of the sponge iron rotary kiln, forming reducing gas. Then the mixture enters the reduction zone of sponge iron rotary kiln, and the iron concentrate is reduced by carbon monoxide to form iron elements.

Status Of Sponge Iron Plant In Orissa Vasundhara

3 Raw Material for sponge iron plant Coal: Non-coking coal having certain important parameters is being used for the direct reduction of iron ore . Important factors determining coal quality are: ? Chemical properties such as fixed carbon, ash content, volatile matter, etc.: & ? Physical properties viz, reactivity and ash fusion temperature. In Orissa scenario, all most all the sponge iron ...

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 34.5 oC Fe (Mag)=4.166 tph ...

SPONGE IRON UNIT SEIL

The rotary kiln is 70 meters in length and 4.4 meter in diameter. This kiln is provided inside with 250mm thick refractory lining. This kiln is having 3 support rollers and a dual drive with two 155 KW D.C motors. The kiln inclined at 2.5%.The kiln is provided with seven shell air fans and air tubes for supplying of air inside the kiln.

Ore 350 Tpd Rotary Kiln Supplier. Ore 350 Tpd Rotary Kiln Supplier. Sand350 tpd rotary kilnmanufacturer coal basedrotary kilndri plant manufacturersuppliercoal basedrotary kilnfor direct reduced iron sponge iron 100tpd 350 tpd500tpdsolid state reduction of ironoreusing either coalgas as a medium of reduction to produce a substitute raw material for steel making is termed as direct reduced iron …

Energy Survey Of The Coal Based Sponge Iron Industry

Sep 01, 2015 These data are obtained directly from the plant. The kiln data were taken at production of sponge iron of capacity 453.875 t/d. The length of the kiln is 80 m and its internal and external diameters are 4.55 m and 5 m, respectively. Temperature of the solids inside the kiln …

350 T D Spange Iron Rotary Kiln Pdf Free download sponge iron production in rotary kiln book nov 12 2012 sponge iron production in rotary kiln bidyapati sarangi this book comprehensively deals with the production of sponge iron in the rotary kiln or download a free kindle reading app.

PDF Modeling Of Rotary Kiln For Sponge Iron Processing

CFD analysis of heat transfer in freeboard of rotary kiln was done with licence version of ANSYS 13.0, authorized by NIT Rourkela. ANSYS 13.0 is an engineering simulation software (Computer-Aided Engineering. Kiln of a typical Sponge Iron producing plant having capacity 500 Tons Per Day was modelled and simulated with CFD package (ANSYS 13.0). This kiln is of length 80m. and inner …

In phase -1, the company has installed 1 No. DRI sponge iron rotary kiln with 350 tonnes / day (105000 tonnes/annum) capacity using Coal as fuel, 2 numbers induction furnaces to produce steel each having 12 tonnes crucible capacity along with a CPP.In second phase another 350 tpd sponge iron kiln …

Study On Air Tubes Failure In Sponge Iron Rotary Kiln

Keywords: Sponge Iron, Heat Transfer, Rotary Kiln . 1. Introduction . In Rotary kiln, carbon is charged from either end, in one end in the form of coal particles and in another in form of coal lumps. The coal reacts with air to form carbon monoxide which then reduces iron oxide (ore) to iron. So, in a kiln,

The rotary kiln sponge iron has lower metallisation (about 85 — 88% on the average) and low carbon content (0.1-0.2%) compared to gas based sponge iron (Metallisation of 92 — 94% and carbon content of 1.5 — 2%). The higher metallisation and higher carbon content of gas based sponge iron provide

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