converter slag of steel in clinker production

Converter Slag Of Steel In Clinker Production

converter slag of steel in clinker production

Chinas current production of a small amount of steel slag cement, the use of converter slag with 50% about blast furnace granulated slag, gypsum of 10%, the grinding of steel slag cement without clinker, or to about 15% cement clinker instead of steel slag grinding low clinker cement.

Steel-slag: a supplementary cementious material and basis ...

Jul 01, 2011 · The cement uses only 15-30% of OPC clinker, 30-40% of steel-slag and 40-50% of blastfurnace slag (BFS), allowing for great reductions in GHG emissions, consumption of virgin natural resources and energy use by between 70% and 85%.

Utilization of steel slag for Portland cement clinker ...

Utilization of steel slag for Portland cement clinker production. Both raw meals were sintered at 1450 degrees C. The results of stone and mineralogical analyses as well as the microscopic examination showed that the use of the steel slag did not affect the mineralogical characteristics of the so produced Portland cement clinker.

Role of Slag in Converter Steelmaking – IspatGuru

Aug 01, 2015 · Role of Slag in Converter Steelmaking The oxygen converter process is the primary steelmaking process for the production of carbon and low-alloy steels. The process is essentially an oxidizing process of refining of the high carbon hot metal (HM) to low carbon liquid steel.

Cement Production: From Clinker Production to the End Product

Clinker production Schenck Process’s MULTICOR® K mass-flow feeding system plays the main role in the second cement production stage. It is used after the raw meal has been burnt in rotary kilns at temperatures of over 1,000 °C to produce clinker.

Producing Portland cement from iron and steel slags and ...

The slags from blast furnace (iron making ) and converter (steel making) after magnetic separation are mixed with limestone of six differ-ent compositions. The ground materials are fired in a pilot plant scale rotary kiln to 13508C for 1 h. The clinker is cooled, crushed, mixed with 3% gypsum, and ground to fineness of more than 3300 cm 2 /g.

An Overview of Utilization of Steel Slag - ScienceDirect

In China, the standards of different types of steel slag cement have been issued including steel slag cement for road, steel slag masonry cement, Portland steel slag cement, and so on. In addition, steel slag can be a raw material for Portland cement [45] and belite cement production [46]. 3.4.

Producing Portland cement from iron and steel slags and ...

The slags from blast furnace (iron making ) and converter (steel making) after magnetic separation are mixed with limestone of six different compositions. The ground materials are fired in a pilot plant scale rotary kiln to 1350 °C for 1 h. The clinker is cooled, crushed, mixed with 3% gypsum, and ground to fineness of more than 3300 cm2/g.

Types of iron and steel slag : NIPPON SLAG ASSOCIATION

Converter slag. In the same way as air-cooled blast furnace slag, converter slag is cooled slowly by natural cooling and water spray in a cooling yard. It is then processed and used for various iron and steel slag (converter) applications. Approximately 110 kg of slag is generated for each ton of converter steel.

Basic oxygen steelmaking - Wikipedia

Basic oxygen steelmaking (BOS, BOP, BOF, or OSM), also known as Linz–Donawitz-steelmaking or the oxygen converter process is a method of primary steelmaking in which carbon-rich molten pig iron is …

Characteristics and applications of iron and steel slag ...

Primary characteristics and applications of iron and steel slag. Raw material for cement clinker (replacement for clay) Latent hydraulic property Material for civil engineering works, ground improvement material (Backfill material, earth cover material, embankment material, road subgrade improvement material, sand compaction material, ground drainage layers, etc.)

Process To Convert Steel Slag Into Fertilizers

grinding machine for solid form convert into powder form ... In addition to grinding machine for solid form convert into ... Convert Steel Slag Into Fertilizers; ... is a process which involves converting powder into a ...

US20070006778A1 - Mixture of raw materials for the ...

A main component of cement is cement clinker, which is produced from a mixture of raw materials containing calcium oxide, silicon dioxide, aluminium oxide and iron oxide by means of mixing, grinding and burning. According to the invention, the mixture of raw materials consists of a calcareous component and converter slag, the converter slag being added in a proportion of up to 30% by weight.

Steel Converter Slag as a Raw Material for Precipitation ...

In this work we study the possibility of utilizing steel converter slag, a byproduct of steel manufacturing, for production of pure calcium carbonate. The dissolution of calcium from steel converter slag by using acetic acid as a solvent and the precipitation of pure calcium carbonate from the resulting solution were experimentally investigated.

EP1741683A2 - Mixture of raw materials for making a cement ...

A raw material mixture (I) for the production of a cement clinker comprises a lime component and converter slag and/or electric steelworks slag. Independent claims are also included for the following: (1) the use of converter slag and/or electric steelworks slag for cement production; (2) the production of cement clinker by (a) mixing converter slag and/or electric steelworks slag with a lime ...

Use of steel slags in the cement industry - Cement Lime Gypsum

Jun 01, 2010 · Rather, both the slag-producing steel industry and the slag-using building materials industries, such as the cement industry, both in Europe and in many countries outside Europe, invested many decades of effort in establishing a technically high …

Verlag Bau+Technik - CI - A new process for production of ...

A new process for production of cement clinker from steelmaking slags. H. Wulfert, Loesche GmbH, Duesseldorf, H. M. Ludwig, Bauhaus-Universität Weimar, Weimar, Germany, G. Wimmer, Primetals Technologies, Linz, Austria . During typical LD (BOF) converter steel making about 120 kg of slag are produced per tonne of steel tapped.

SLAG - IRON AND STEEL

During the year 2015-16, RSP reported production of BF slag, Granulated slag and Steel slag at 1,141,810 tonnes, 868,395 tonnes and 772,476 tonnes, respectively. Bokaro steel plant reported production of 748,836 tonnes of Slag. Bhilai steel plant reported …

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