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2. ed, sima requested the participants to volunteer to spare their rotary kiln for carrying out the r&d for exploring the use of syn gas in the rotary kiln. mr. t srinivasa rao, md, balajiswamy premium steels pvt ltd offered his 50tpd kiln for this purpose. 3. presentation from tata sponge iron ltd was very much liked and lot of the people.
2ii. rotary kiln: operation and construction details a schematic diagram of the rotary kiln of sponge iron process considered for the present work is shown in fig. 1. the rotary kiln consists of a rotating cylindrical shell lined inside with refractory material. the kiln is around 80 m long with 4.
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Aug 03, wednesday, august 3, . during the process of manufacture of sponge iron, coal injection plays a very vital role in maintaining the product quality. due to highly endothermic nature of boudouard reaction, heat has to be continuously supplied in entire reduction zone of rotary kiln. generally the length of reduction zone is 60-70% of total.
Dec 20, rotary kiln shell design technology in cement business, widely using iron cylinder equipment to do chemical, mechanical or physical disposal on solid materials is called rotary kiln. rotary kiln inner side usually using special refractory bricks as the protecting.
Design parameters of rotary kiln for dri sponge iron. may 01 difference between sponge iron kiln and cement kiln posted atmay 1 45 ratings modeling of rotary kiln for sponge iron processing using cfd sponge iron si dri is also known as sponge iron.
Feb 14, 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.
Gas based sponge iron rotary kiln. application. recommended products. bustle port. cumilox 201 hf. reactor hot face lining. cumilox k313w. reactor back up. cumilac.
Kiln pinion assembly - for 100 tpd dri coal based sponge iron plant rotary kiln 50 tpd - 600 tpd. kiln pinion complete assembly with bearing. kiln pinion, kiln pinion shaft, kiln pinion plumber block or bearing blocks, kiln pinion end cover end plate, kiln pinion sleeves, kiln pinion labyrinth ring or oil seal, kiln pinion bush, kiln pinion bearings, zkl / skf / fag / chinese / koyo etc. kiln.
Kilns range in size from 2–6 m in diameter and can be 50–225 m long with an operating mass of up to t. two of the most common applications are for cement production and sponge iron production. hatch has developed a proprietary one-dimensional kiln model to evaluate designs.
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 2–6 m in diameter and can be 50–225 m long with an operating mass of up to t. two of the most common applications are for cement production and sponge iron.
Mar 01, the geometry of rotary kiln of sponge iron process is developed using gambit 2.4.6. dimensions of kiln are 80 m length and 4 m internal diameter. the kiln is inclined to 2.5 degree to the horizontal and rotated with 4.3 rpm. bed material consists of iron ore, coal and dolomite, enters the kiln through feed.
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.
New design sponge iron rotary kiln energy comprehensive utilization system agico group is devoted to be the no.1 rotary kiln manufacturer and professional enterprise of import and export trade.our main business is rotary kiln equipment such as cement kiln, lime rotary kiln and shaft.
Producing sponge iron at low price. for the proper design of such a rotary kiln and cooler with all its ancillaries, the following metallurgical and engineering de-sign. data is required to be followed for a 50 ton per day experimental sponge iron plant, which would form the main guide lines for the designers lof industrial size plants in the.
Rotary kiln with sl/rn process. rotary kiln with sl/rn process. coal based rotary kiln for direct reduced iron / sponge iron (100 tpd, 350 tpd, and 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.
Sep 01, 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.
Sep 01, the sponge iron plant are free to explore other options/ possibilities to use char for generation of power. char can be sold to local entrepreneurs for making coal briquettes. it can also be mixed with coal fines, converted to briquettes and used in brick.
Sponge iron dri rotary kiln the introduction of rotary kiln: a, rotary kiln is the main equipment for sintering cement clinker. b, the rotary kilns produced by our company can be divided into dry process and wet process. compared to been raised 3-5% up, production has been increased 5-10% and heat consumption has been reduced 15%.
Sponge iron kiln’s 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.
Sponge iron using coal. in the industry, there have been recent reports of premature failures of certain air tubes in a rotary kiln. most of those cases have concentrated on those air tubes which run into the kiln around the middle portion of the kiln. this research work aims at identifying the probable cause of the failure. two different.
The material discharged from the kiln consists of a mixture of sponge iron, surplus fuel, desulphurizing agent and ash, and is cooled down in a rotary cooler, mainly by direct spraying with water. further treatment of the mixture consists of a combination of screening, magnetic and gravity.
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, ()]. the reduction process is carried out in an inclined horizontal rotary kiln, which rotates at a programmed.
Zhengzhou mega industry co., ltd. cn 11 yrs. contact supplier. compare. 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.