Production of sintered iron ores is also included]. S S P Sponge Iron Private Limited's Annual General Meeting (AGM) was last held on 30 September 2016 and as per records from Ministry of Corporate Affairs (MCA), its balance sheet was last filed on 31 March 2016. Directors of S S P Sponge Iron Private Limited are Lokeswara Reddy Putha, Yedida ...

Benefits of sponge iron –. The content of sulfur in sponge iron is less. The direct reduced iron method can use poor quality coal that is unsuitable for ordinary iron production. Sponge Iron is a substitute for steel scrap for the manufacturing of steel through the EAF/IF courses. Sponge Iron acts as a superior feedstock for the electric ...

The possibility of using iron powders of different morphological, chemical and physical properties as the bases of the metal matrix of the friction layer in sintered friction materials for dry friction under severe braking conditions was investigated. Sintered friction materials, based on sponge iron powder and on iron powder with a fiber-like structure …

The sintering was effective when carried out for 1 hour, but it was not of much significance for 2 and 3 hours sintering. Bardhan et al. [74] analyzed the sintered iron powder component's density ...

The DRI-EAF combination allows for higher electrification and lower emission if low-carbon feedstocks and electricity are used. The production of steel from the DRI-EAF route exceeded 90 million tons in 2018 (5% global production) [Worldsteel Association, 2019], with DRI sponge iron production over 100 million tons [(Midrex, …

Alternative routes of iron making: Introduction, Processes of Sponge Iron production; SL/RN, MIDREX, HyL processes. Smelting Reduction Processes; COREX, ROMELT, Hismelt. Suggested Text books 1. Ahindra Ghosh and Amit Chatterjee: Ironmaking and Steelmaking Theory and Practice, Prentice-Hall of India Private Limited, 2008. 2.

The primary differences between Sponge Iron and Pig Iron lie in their production processes and chemical compositions. Sponge Iron is produced through direct reduction, resulting in a low-carbon, pure iron with minimal impurities, making it ideal for applications like steel production. On the other hand, Pig Iron is derived from blast furnace ...

LWPM's reduced / sponge iron powders are used in a wide range of industries and applications. powder metallurgy sintered components is the major application . Our company also has some other metal powders include water atomized iron powder, pre-allyed powder, non segregation premix powder, stainless steel powder, etc.

Observing the distribution curve of μ for the sintered friction material based on fiber-like iron powder (Fig. 5, graph 1), it was noticed that the mean value of μ is greater and that there is considerable disparity of the value of μ compared to the same values for the sintered friction material based on sponge iron (Fig. 5, graph 2).

Sponge iron, also called direct reduced iron (DRI), is used as an alternative charge material to scrap for high-quality steel production. It is produced by direct …

A survey is made on a typical coal based Indian sponge iron plant of capacity 500 t/d in order to identify the largest energy losses and find ways to increase the efficiency.

We offer an exceptionally wide range of iron powders that are used for many different technologies, such as pressing and sintering, additive manufacturing and surface coating. ... Höganäs is famous for its consistent production of high-quality iron powder. We produce sponge iron powder and atomised iron powder from scrap metal. As the world ...

The main characteristics of sponge iron steelmaking are as follows: (1) The sponge iron is relatively pure so increasing the proportion of sponge iron in the electric arc furnace steelmaking charge can improve the quality of the steel. (2) The continuous feeding method can be used, the charge melting is fast, the operation is stable, the ...

The capacity increased from 20.70 in 2010 to 37.4 Mt/year. This has been necessitated by a drop in iron ore production through bans on production as a result of illegal mining detected in iron ore-producing states like Karnataka and Goa and imposed caps on production on well-known iron ore-producing belts of Orissa.

The use of non-coking coal as an alternative energy source for sponge iron production instead of the conventional metallurgical coke cannot be overemphasized due to the problematic nature that is common to coke making process. The non-coking coal has the advantage of not requiring preprocessing technique as it can be charged into the …

Sponge Iron plant manufacturers in India use sponge iron as a substitute for scrap in induction and electrical furnaces. The reason for this is that melting scrap is expensive and also in short supply, so sponge iron is the perfect alternative when it comes to using it in the production of high-quality steel.

Biomass. Biomass can mainly be used in the BF process by: •. Being mixed or embedded in raw materials through incorporation into the iron-bearing burden materials for sintering and pelletizing, or into the coal blend for cokemaking) •. Injection via tuyeres into shaft …

The use of non-coking coal as an alternative energy source for sponge iron production instead of the conventional metallurgical coke cannot be overemphasized …

sponge iron is that the powder is slightly coarser and has better flowability, thus allowing it to be used with MBJ. Inherently, the sinter-ability of pure iron is extremely low, so in …

The various advantages of iron ore pellets are given below. Iron ore pellet is a kind of agglomerated fines which has better tumbling index when compared with the iron ore and it can be used as a substitute for the iron ore lumps both in the BF and for DRI production. Pellets have good reducibility since they have high porosity (25 % to 30 %).

the largest shrinkage at low temperatures. The reduced sponge-iron powder is less prone to early sintering owing to its small specific surface and to the lower activity caused by …

Two types of Hoganas iron powders—sponge (NC), and highly compressible (SC) were investigated. These specimens were compacted with a pressure of 300, 400, 500, 600, and 700 MPa, before sintering in a production belt-type furnace. Steam treatment of the specimens was at 570 °C for 30 min. The sintered density and …

25 July 2017. Contact sales. This application note describes the benefits of X-ray diffraction (XRD) to the quantitative determination of the phase content and the calculation of process critical parameters for the production of direct reduced iron (DRI). Direct reduced iron (DRI), also called sponge iron, is produced by the reduction of iron ...

Abstract. This master thesis was a project in cooperation with Höganäs AB. The aim was to increase the apparent density (AD) of two biomass chars, by three different …

Atomization is the most common method used to produce iron powder for sintering. The process involves the spraying of molten iron into a chamber of water jets, which leads to …

High silica (SiO2) content in the dolomite used for sintering purpose is preferred since SiO2 counter the effect of alumina (Al2O3) in the blast furnace. In the production of direct reduced iron (DRI) by the rotary kiln process, dolomite is used as a desulphurizing agent. Raw dolomite is used in the size range of 4 mm to 8 mm.

It is concluded that (i) direct reduction using both solid and gas reductants caused higher metallization compared to using only solid reductant, (ii) as the reduction time and ratio of C fix /Fe total increased …

The production of high-quality sinter is crucial for assuring consistent, stable furnace productivity with a low consumption of reductants. Sinter quality begins with the mined iron ore and the proper selection …

Sponge iron, also called direct reduced iron (DRI), is made from directly changing iron ore (in any form whatsoever) to iron by a cutback gas or carbon, produced from natural gas or coal. It is one of the many raw …