Our Services

Combination Mobile Crushing Plant

Combination Mobile Crushing Plant

Compared with fixed production lines,Combination Mobile Crusher have a shorter engineering period and rapider transition, which not only reduces the investment risk and opportunity cost of the investors, but also avoids the demolition and construction

C6X Series Jaw Crusher

C6X Series Jaw Crusher

C6X Jaw Crusher on structure and production efficiency present advanced modern technologies. Our Company's C6X Jaw Crusher can solve such problems of the existing jaw crushers as low production efficiency, difficult installation and maintenance. At pr

HGT Hydraulic Gyratory Crusher

HGT Hydraulic Gyratory Crusher

HGT Gyratory Crusher is a new-type intelligent coarse crusher with big capacity and high efficiency. It integrates mechanical, hydraulic, electric, automated, and intelligent controlling technologies which grant it with advantages traditional crushing

European Type Jaw Crusher PEW

European Type Jaw Crusher PEW

Jaw crushers has stationary jaw crusher, portable jaw crusher and mobile jaw crusher (crawler jaw crusher). Jaw crusher (PEW Series) is not only able to be used together with mine-selecting and gravel processing equipments but also be used independen

VSI5X Vertical Shaft Impact Crusher

VSI5X Vertical Shaft Impact Crusher

VSI Crushers Working Principle Raw material falls down into feed hopper, and then enters rotor through central entrance hole. It is accelerated in high-speed rotor, and then is thrown out at speed of 60-75m/s. When hitting anvil, it is crushed. Final

VSI Vertical Shaft Impact Crusher

VSI Vertical Shaft Impact Crusher

VSI Series vertical shaft impact crusher is designed by reputed German expert of SBM and every index is in worlds leading standard. It incorporates three crushing types and it can be operated 720 hours continuously. Nowadays, VSI crusher has replaced

VUS aggregate optimization system

VUS aggregate optimization system

The VU system is a global most-advanced dry-process sand-making system. The system is constructed like a tower. Its fully-enclosed layout features high integration. It integrates the functions of high-efficiency sand making, particle shape optimizatio

MTW-Z European Trapezium Mill

MTW-Z European Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

5X Series Roller Grinding Mill

5X Series Roller Grinding Mill

Grinding roller of MB5X Pendulum Roller Grinding Mill l adopts diluted oil lubrication. It is a technology initiated domestically which is maintenance-free and easy to operate. Diluted oil lubrication is oil bath lubrication, more convenient than grea

MTW Trapezium Mill

MTW Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

LM Vertical Mill

LM Vertical Mill

LM Vertical Grinding Mill integrates crushing, drying, grinding, separating and transport. The structure is simple while the layout is compact. Its occupational area is about 50% of that of the ball-milling system. The LM grinding mill can also be arr

TGM Trapezium Mill

TGM Trapezium Mill

TGM Super Pressure Trapezium Mill The operation principle of main unit of Trapezium mill is that main unit runs with the central shaft that is driven by a gear box. The top of the shaft is connected with a quincunx stand on which a grinding roller is

JP2004238276A Method for producing high carbon

PROBLEM TO BE SOLVED: To provide a method for producing a new high carbon ferrochrome crushed slag. A component Cr 2 O 3: 6 wt% or less, MgO: 20 to 40 wt%, Al 2 O 3: 20~40 wt%, SiO 2: 25 to 45 wt%, CaO: 1 to 5 wt% The high-carbon ferrochrome molten slag having a temperature of 1300 to 1650 ° C. is air-blasted using a main nozzle for air-blasting and an upper nozzle for scattering

More

Ferrochrome an overview ScienceDirect Topics

According to Outotec, successful applications for high carbon ferrochrome slag include the following: 1. Heat recovery. 2. Road construction, both for the support layers (granulated slag) and the tarmac (crushed slag) 3. Refractory applications. 4. Sandblasting. 5. Mineral wool production.

More

PRODUCTION, CHARACTERISTICS AND USE OF

2.2 Ferrochrome slag products The ferrochrome slag products are granulated slag as well as classified slag products made by crushing and screening. The main part of slag is granulated. The cr ushed and screened slag products are produced from air cooled lumpy slag which is collected from various process phases, e.g. from ladles and launders.

More

CHROMIC: NEW PROCESSES TO RECOVER METALS FROM

For the carbon steel slag, originating from an EAF, three particle sizes were studied (0-5 mm, 20-40 mm, 40-185 mm). The ferrochrome slag was crushed and sieved to a 4-9 mm fraction. The stainless steel slag is a finegrained fraction (< 500 µm) obtained after a crushing, screening and demetallisation treatment. For the characterization

More

The recovery of ferrochrome from slag at Zimasco

Nov 01, 1997· The dump at Zimasco, containing 4.5 million tons of slag justified that the construction of a metal from slag recovery plant to treat about 170 t/h was appropriate if a suitable process could be developed. The dump contained high carbon ferrochrome alloy (HCFC) valued at that stage at about 1500 million Zimbabwe Dollars.

More

Implementation of industrial waste ferrochrome slag in

Jun 01, 2014· Ferrochrome slag is a waste material obtained from the manufacturing of high carbon ferrochromium alloy. This slag is formed as a liquid at 1700 °C and its main components are SiO 2, Al 2 O 3 and MgO. Additionally it consists of chrome, ferrous/ferric oxides and CaO.

More

High Carbon Ferrochrome Technology ScienceDirect

Jan 01, 2013· High carbon ferrochrome is an intermediate product and is used as a feed material in the production of value-added materials such as stainless steel. Typical product types for high carbon ferrochrome are crushed lumpy product with a silvery metallic appearance and irregular, flaky granulated product with a greenish appearance.

More

Samancor Products Samancor Chrome

The ferrochrome solidifies in large castings, while the slag is separated and stockpiled for further processing. The product is crushed and screened to exact customer specifications. Alternatively, the ferrochrome is granulated into a flowing stream of water.

More

Multi-Analytical Characterization of Slags to Determine

Slag production is relatively higher for low-carbon ferrochrome (LC FeCr) (2.4–2.5 tons of slag/ton metal), but the global annual production was only 0.9 Mt in 2018 [6].

More

REMELTING THE HIGH-CARBON FERROCHROME DUST IN A

The paper describes the results of pilot remelting of high-carbon ferrochrome dust in a 1.8 MVA DC arc furnace. Stan-dard grades of high-carbon ferrochrome, such as FeCh800, FeCh850 and FeCh900, were obtained with the following furnace performance: chrome extraction 89,5 %; slag ratio 0,5; specific power consumption 2 272 kW·h/ton.

More

HIGH CARBON FERROCHROMIUM OPERATIONAL

The composition of ferrochrome slag could be controlled by blending of chrome ore, fluxes (quartz, bauxite) and SiO 2-MgO-Al 2 O 3 ternary equilibrium (Figure 2) [4]. Figure 2: SiO 2-MgO-Al 2 O 3 ternary equilibrium [5] 2.3 Chrome Carbide Generation In high carbon ferrochrome alloy microstructure, carbon takes place as carbide forms. Mostly Cr

More

(PDF) Implementation of industrial waste ferrochrome slag

In the first step for and microsilica (Shiva Minerals Pvt. Ltd., Rourkela) as additives. castable formulation, ferrochrome slag was oven dried, crushed, Fig. 1 shows how ferrochrome slag is used in different particle and ground for grading into three groups: coarse (6 –2 mm), fractions.

More

Impurities removal from high carbon ferrochromium by

Productions of high-carbon ferrochrome take place in submit arc furnaces and can be represented as a reduction of ores materials by coke. As a result of the reduction process at 1273 K before premelting of the master slag. Obtained slag was crushed into pieces the size of 0.5 -1.0 cm. These were used as additions in the experiments.

More

Duplex process for production of low carbon ferrochrome

about 25-30% Si. The rich slag from 'b' reacts with intermediate semi-product with 25% Si from ladle 'c' to produce the final low carbon ferrochrome alloy. The approximate power and raw material consumption for making a ton of low carbon ferrochrome by this process are as follows in some plants :— Name of raw material Quantity / M. T.

More

Journal of Asian Ceramic Societies

Ferrochrome slag is a waste material obtained from the manufacturing of high carbon ferrochromium alloy. This slag is formed as a liquid at 1700 C and its main components are SiO 2, Al 2O 3 and

More

Charge for obtaining high-carbon ferrochrome

To adjust the chemical composition of the slag in the production of high carbon ferrochrome in charge is injected silicon-containing fluxing materials: crushed slag production ferrosilicochromium brand FHS (50% SiO 2 15% of Al 2 O 3 15% of Si met., 10% CR met.), ferrosilicon grades FS and FS (25-40% SiO 2 30% of Al 2 O 3, 20-30% Si met. or

More

Samancor Products Samancor Chrome

The ferrochrome solidifies in large castings, while the slag is separated and stockpiled for further processing. The product is crushed and screened to exact customer specifications. Alternatively, the ferrochrome is granulated into a flowing stream of water.

More

Evaluation of the Furnace Method for the production of low

The required slag liquidus temperature, to be compatible with low carbon ferrochrome alloy (which has a very high liquidus temperature), was determined to be between 1550 and 1700ºC. Modelling showed that a quartz fluxed slag had a liquidus temperature well below this

More

ferro chrome slag crushed aggregates paradoxmode

Ferrochrome slag and fine aggregate by Stone Dust. Ferro-chrome slag is a waste material obtained from the production of Ferro-chrome, an essential component in stainless steel. It has been observed that Ferro-chrome slag waste is a suitable material for highway pavement work.

More

Ferrochrome Wikipedia

Ferrochrome, or ferrochromium (FeCr) is a type of ferroalloy, that is, an alloy of chromium and iron, generally containing 50 to 70% chromium by weight.. Ferrochrome is produced by electric arc carbothermic reduction of chromite.Most of the global output is produced in South Africa, Kazakhstan and India, which have large domestic chromite resources.. Increasing amounts are coming from Russia and

More

Determine the Chromium Concentration for a Possible Re

High-carbon ferrochrome (HC FeCr) produces 1.1–1.6 tons slag/ton of metal [4,5] with an annual global production of 13 Mt HC FeCr in 2018 [6]. Slag production is relatively higher for low-carbon ferrochrome (LC FeCr) (2.4–2.5 tons of slag/ton metal), but the global annual production was only 0.9 Mt in 2018 [6].

More

USE OF FERROCHROME SLAG AS AGGREGATE IN CONCRETE

Water absorption of ferrochrome slag aggregates as per IS 2386(III), 1997 is found to be 1.15% and 0.42% for water cooled ferrochrome slag and air cooled slag respectively. (C.R. Panda, K.K.Mishra, B. Nayak, 2014) 3. CHEMICAL PROPERTIES The chemical composition of ferrochrome slag aggregate is shown in Table 1.

More

Eti Krom INC.

ETI KROM produces High Carbon Ferrochrome (HC FeCr) in two plants in Elazig, Turkey. Plant A holds 2 x 17 MVA open type submerged-arc furnaces with the total annual capacity of 50,000 MT. Plant B holds 2 x 30 MVA semi-closed type submerged-arc furnaces with the total annual capacity of 100,000 MT. Slag Re-cycling Operation

More