MINISTRY OF STEEL, Direct Reduction GOVT. OF INDIA

The main function of making Sponge Iron in the Kiln is to convert Iron ore into sponge ... Kiln & Cooler Area Rotary kiln, Rotary cooler, shell air fans, coal injection system, ... and ID Fan with Chimney etc. f) Plant de-dusting system. g) Control Rooms, Electrical Panel Rooms and Transformers Rooms

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DRI UPDATE - Sponge Iron Manufacturer India

8. VFD control of various pumps & fans which were running in throttled conditions: Cold well Pump(90KW), Hot well Pump(90KW), SAB (120KW) , PAB, 9. Replaced the impeller of ESP ID fan of Kiln -2 with energy Efficient impeller. Energy consumption reduced by 2000units /day. 10.Auto control of operation of cooling tower fan with sponge temperature

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(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. Radhebihari Upadhyay

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GODAWARI POWER & ISPAT LTD

Scope & Areas for Energy Conservation in Sponge Iron Making Scope 4 Feed material as well as air enters the process (mainly rotary kiln) at ambient temperature and reduction reactions are taking place at 1080-1100 C. This requires feed to be heated up which needs the significant amount of heat generated from combustion of coal. This

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Project Proponent M/s BRGD Sponge and Iron Pvt. Ltd

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 pellet/iron ore will be reduced with non coking coal in a rotary kiln to make sponge iron

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Advances in rotary kiln sponge iron plant | Prasad, K. K

Consequently, sponge iron making in rotary kiln flourished first in South Africa, and now India produces over 70% of coal based sponge iron in the world. It is very easy to reduce the higher oxides of iron to FeO stage. One only needs to meet the heat demand, the

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Rotary Dryer Design & Working Principle

Jun 01, 2016 For evaporating moisture from concentrates or other products from plant operations, Rotary Dryers are designed and constructed for high efficiency and economy in fuel consumption. Whenever possible to apply heat direct to the material to be dried, Rotary Dryers of the Direct Heating Design are used. If it is not possible to apply heat direct to the material to be dried, Rotary Dryers of

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sponge iron process: 2010

Jul 29, 2010 In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.The mean particle size of iron ore shall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product

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(PDF) i) Direct Reduced Iron: Production

Mar 30, 2016 This product is known as direct reduced iron (DRI) or sponge iron. Processes that produce iron by reduction of iron ore (in solid state) below the melting point are generally classified as

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SPONGE IRON PLANT

Sponge iron being magnetic gets attracted and gets separated from non- magnetic char. The iron ore and coal crushed and screened to respective sizes are fed to rotary kiln through feed tube in pre-determined ratio. The rotary kiln is slightly inclined at an angle 2.5 deg and rotated by

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Shell Air Fan Manufacturer from Kolkata

Power. 440 V. Material. MS / SS. Country of Origin. Made in India. ‘B.D.FANS’ manufacture shell air fan for Rotary kiln in sponge iron plants. It’s specially design for perfect combination of volume and pressure. It’s use for all capacity of rotary kiln

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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

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Effluent and Emission Standards for Sponge Iron Plant

Aug 07, 2021 Sponge Iron Plant (Rotary Kiln. Emission Standards* Parameter. Fuel Type. ... The amperage of the ID fan may also be recorded continuously. Non-functioning of pollution control equipment should be recorded in the same logbook along with the reason for not running the Pollution Control Equipment

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Sponge Iron Kiln Spare Parts - Coal Injector For Sponge

Manufacturer of Sponge Iron Kiln Spare Parts - Coal Injector For Sponge Iron Kiln, Cooler Pinion For 100TPD Kiln, ESP Dust Feeder and Nozzle Plate offered by Modern Castings, Asansol, West Bengal

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Recovery and utilization of waste heat in a coal based

A typical sponge iron plant has ... (ID) fan located near the chimney. The operating data of the process, taken from a typical plant of 100tpd, is shown in Fig. 1. ... gas from ESP outlet to rotary kiln an insulated duct, which is a hollow cylinder of 43m length and 0.6m diameter, is used. To

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Kiln Feeding - Cement Plant Optimization

Kiln, considered as heart of the cement plant needs to be fed with consistent raw meal at uniform feed rate. No mater how much consistent and perfect is your kiln feed quality from blending silo, variation in feed rate can disturb badly kiln operation stability, clinker quality and heat consumption

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Rotary Kiln Manufacturers | Electrotherm E&T

The air is supplied through the air piping system by fans mounted on the Kiln radially. The air piping system also contains on/off valves which open and close to admit air above the charge bed to aid combustion of over-bed gases and achieve desired temperature profile. The iron ore is converted to DRI as it traverses along the length of the kiln

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(PDF) Modeling of Rotary Kiln for Sponge Iron

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. Radhebihari Upadhyay

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sponge iron process

Jul 29, 2010 In general sized iron ore of 5-18mm is used in the process of manufacture of sponge iron on all types of rotary kiln with +16mm not exceeding 15-20%.The mean particle size of iron ore shall be restricted to 11mm in order to achieve uniform Fe metallic of all grain size fraction of the product

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Energy survey of the coal based sponge iron industry

Sep 01, 2015 In conventional coal based sponge iron plant, Fig. 1, kiln feed (Stream no. 1), which consists of iron ore, feed coal and dolomite, is fed to the rotary kiln (RK).A separate conveyor collects different size fractions of coal (Stream no. 5) for injection into the kiln with the help of pressurized air (Stream no. 4) from discharge end side

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Clinkerization - Cement Plant Optimization

Preheater Fan Speed is varied to fulfill air requirement in kiln system and maintain oxidizing conditions in kiln. ID fan speed is not changed frequently in normal kiln operation, unless feed or fuel changed significantly. Gas Composition: Kiln Inlet Analyser gas composition reveals the process (kiln) stability and combustion efficiency. With a

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Coal based Direct Reduction Rotary Kiln Process –

Feb 14, 2017 Normally for rotary kiln process volatile matter is to be in the range of 25 % to 30 %. Coals for direct reduction in the rotary kiln need to have low swelling index. Normally swelling index is to be less than 1. The physical and chemical specifications of the non-coking coal are as follows. Size of lumps – 5 mm to 20 mm

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