SCADA. With our SCADA systems, tunnel kiln operators are able to have complete control of their firing process, enhancing efficiency and productivity. Our latest Industry 4.0 developments integrate the latest tunnel kiln technology to not only monitor the process, but also to keep the tunnel kiln operating at peak performance with smart maintenance. All the data generated from the tunnel kiln ...

the kiln was on the order of 60 / 70 hours with a maximum temperature of ~1200 °C. Despite the ... Flowchart of the Sponge Iron Process iron ore reduction mix. (coke, coal, limestone) ... tunnel kiln .... direct reduced iron in many applications.

Tunnel Kiln history dates back to 1807 when Hoganas first used this process to produce iron powder of 99.9% purity. When iron ore is mined or processed (in a crusher), lots of fines are generated. Quantity of fines generation is a function of the quality of ore i.e. whether it is hard or soft.

Tunnel Kiln Process For Sponge Iron Making in Nigeria - XSM in .. Huanggang Z Kiln&FURNACE Co.,Ltd. Our company has made the sponge iron tunnel kiln and matching refueling system equipment intechnical essence of Hoganas tunnel kiln process.

The relates coal-base direct reduction process for sponge iron with different shape by tunnel kiln without outer combustion chamber and the combination comprises as shown in abstract figure: to iron concentrate, firing pellet, cooling or compacting; preparing the reducer; blending, loading into retort; entering the kiln; out the kiln; and sorting.

The department has also produced sponge iron from our 25TPD Tunnel Kiln at our steel making complex. Based on our findings, the quality of sponge iron made by the Tunnel Kiln technology is superior compared to that produced from the rotary kilns for various reasons: At Paras, we currently have the capacity to provide tunnel kilns up to 50, 100 ...

Yu [32] developed a transient mathematical model for tunnel kilns. Using the model, the author was able to predict several parameters of the process, such as the temperature distribution in parts ...

process of iron reduction in tunel kin and rotary kiln. Rotary kiln A rotary kiln is a pyroprocessing device used to raise materials to a high temperature calcination in a continuous process Materials produced using rotary kilns include Cement Lime Refractories Metakaolin Titanium dioxide Alumina Vermiculite Iron ore pellets They are also used for roasting a wide variety of sulfide ores prior ...

Sponge iron powder . The Höganäs process is a direct reduction method for production of sponge iron powder using magnetite ore (Fe3O4) and carbon as raw materials. The reduction process takes place in a gas fired tunnel kiln at around 1200°C for 60 hours producing a sponge iron …

iron ore reduction in tunnel kiln Solution for ore mining. direct reduction of iron ore from tunnel kiln process – process The Caiman is the professional mining equipments manufacturer in the world located in ChinaIndia along with other Asian marketplaces to develop and develop now we .

tunnel kiln process sponge iron. tunnel kiln process for sponge iron making tunnel kiln dri technology - Grinding Mill China direct reduced iron by tunnel kiln,Ore Crusher,Grinding mill, Chat Online Tunnel Kiln Process For Sponge Iron Manufacturers.

This process produces iron directly from fine iron ore concentrate by a gas-solid suspension reduction, utilizing hydrogen as the main reducing agent for high ... calculations have shown that the process would drastically reduce energy ..... annually since the total retention time in the tunnel kiln …

Tunnel kiln furnace are evolving as an alternative to Rotary kiln process. Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns. The material bed in Tunnel kiln being stationary, it does not require high …

Production of Sponge Iron through Tunnel Kiln Process. April 2010; Authors: Swaren Bedarkar. ... electric steel making has become very important as it produces almost 58% of India's total steel ...

Tunnel kiln furnace are evolving as an alternative to Rotary kiln process. Iron ore fines and the low grade beneficiated iron ore cake are directly used for manufacturing of sponge iron in tunnel kilns. The material bed in Tunnel kiln being stationary, it does not require high …

Tunnel Kiln Process For Sponge Iron Making, Rotary Kiln. Tunnel Kiln Process For Sponge Iron Making. The production of steel began in ancient times; but because of the complexity and slow speed of the ancient process, they … »More detailed