furnace slag grinding energy consumption

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furnace slag grinding energy consumption

furnace slag grinding energy consumption

furnace slag grinding energy consumption

Efficiency of high energy over conventional milling of

Slag is referred as granulated slag when subject to grinding accord-ing to the standard NF IN 15167-1 [15]. Granulated blast furnace slag (GBFS) has a morphological form of clear-colour sand. GBFS shares the same main chemical compounds (mainly SiO 2,CaO,Al 2O 3, MgO) [2,11, 16–20] as ordinary Portland cement [20–23]. GBFS has a direct utiliza-

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Comparison of intergrinding and separate grinding for the

May 01, 1999  For cements containing blast furnace slag, unlike the natural pozzolan-incorporated cements, intergrinding consumes more energy than separate grinding to reach 3500 cm 2 /g Blaine fineness. However, the lower energy-consuming separately ground P + S cement still shows lower strength values than higher energy-consuming interground PS cement.

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(PDF) Total energy consumption in arc furnaces

Energy consumption for furnaces can best be comp ar ed by . slag formers, oxygen). This paper compares three methods for activation of OPC-slag mortars (OSM): (1) prolonged grinding of

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furnace slag grinding energy consumption

furnace slag grinding energy consumption. Strategy Paper On Resource Efficiency in Steel Sector . Furnace-Basic Oxygen Furnace (BF-BOF) route and Electric Arc Furnace (EAF) and /or Induction Furnace (IF) route. The BF-BOF route (primary sector) caters to around 45 of India s steelmaking capacity while the remaining 55 is processed through the

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“Effect of Foamy slag in Electric arc furnace on Energy

The process was compared to the traditional electric furnace process of slag cleaning, there was reduced the energy consumption and heat loss, and also harmful gas emissions such as

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Comparison of intergrinding and separate grinding for the

May 01, 1999  For cements containing blast furnace slag, unlike the natural pozzolan-incorporated cements, intergrinding consumes more energy than separate grinding to reach 3500 cm 2 /g Blaine fineness. However, the lower energy-consuming separately ground P + S cement still shows lower strength values than higher energy-consuming interground PS cement.

get price

(PDF) Total energy consumption in arc furnaces

Energy consumption for furnaces can best be comp ar ed by . slag formers, oxygen). This paper compares three methods for activation of OPC-slag mortars (OSM): (1) prolonged grinding of

get price

Efficiency of high energy over conventional milling of

Slag is referred as granulated slag when subject to grinding accord-ing to the standard NF IN 15167-1 [15]. Granulated blast furnace slag (GBFS) has a morphological form of clear-colour sand. GBFS shares the same main chemical compounds (mainly SiO 2,CaO,Al 2O 3, MgO) [2,11, 16–20] as ordinary Portland cement [20–23]. GBFS has a direct utiliza-

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Slag Evaluation to Reduce Energy Consumption and EAF

the slag and it has a significant effect in viscosity, foaming capacity, slag volume, productivity and energy consumption 6. Aminorroaya7 showed in his study that there is an optimum range of FeO to minimize energy consumption, Figure 37. The slag binary basicity is a ratio between the oxides %CaO and %SiO 2. There are optimum points of basicity to

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grinding blast consumtion

Finish Grinding Industrial Efficiency Technology Measures. High efficiency grinding of blast furnace slag Power consumption can be reduced by around 30 kWh/t-slag for a slag blain value of 4000 cm 2 /g In Japan the cost for the installation of a 40 ton per hour unit is reported to be around US 73 million including cost of supplemental facilities and construction fe 1US = 165 110 Commercial...

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Steel-slag: a supplementary cementious material and basis

2. Steel-slag can be used to produce energy-saving cement by co-grinding with OPC clinker and blastfurnace slag. In such preparations OPC clinker is about 15-30%, steel-slag around 30-40% and blastfurnace slag is around 40-50%. 3. Producing energy-saving steel-slag cement can save energy, virgin natural resources and cut GHG emissions by around

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“GREEN GRINDING: ENVIRONMENTAL PROTECTION AND

Case of slag cement The use of blast furnace slag in cement productio n is very common. European standard allows the use of cements containing in some cases up to 70% slag and in some European countries slag cements account for more than 50% of total production. As described, slag gives a contribution on strengths at late ag es, thanks to the

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Slag grinding with the Polysius Roller Mill in China

The grinding plant for Anshan was designed for a grinding capacity of 90tph at a ground blast furnace slag product fineness of 4000cm 2 /g according to Blaine. However, following the market trend, the plant now produces 83tph of ground blast furnace slag with a fineness of 4300cm 2 /g (acc. to Blaine).

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Chapter 7 Energy Use in the Copper Industry

Figure 7-l. -Open-pit Mine Energy Use 1. 1 r-1,, 1 1 11 ! i 0 10 ’20 3040 50 6070 80 90 100 % energy use Underground mines use electricity for gener-ating compressed air, pumping, lighting, ‘venti-lation, and hauling miners and materials. They also use diesel fuel for surface hauling of ore to the mill. Approximately 155 pounds of explosives

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Slag recycling recovery

Granulated blast furnace slag is primarily used in Europe for the production of Portland blast furnace cement. The necessary grinding of the slag to the finenesses required for cement is now mostly performed in vertical mills (Fig. 7), which achieve throughputs of over 100 t/h [2].

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Energy Use of Fine Grinding in Mineral Processing

Dec 18, 2013  Fine grinding, to P80 sizes as low as 7 μm, is becoming increasingly important as mines treat ores with smaller liberation sizes. This grinding is typically done using stirred mills such as the Isamill or Stirred Media Detritor. While fine grinding consumes less energy than primary grinding, it can still account for a substantial part of a mill’s energy budget. Overall energy use and media

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FOR CEMENT RAW MATERIAL Loesche

ideal fine grinding and at the same time ensures minimum wear. A higher specific grinding pressure is applied compared to coal grinding and a lower specific grinding pressure is applied compared to the fine grinding of clinker and granulated blast furnace slag. Hot gases are added in the dry-grinding process to evaporate material moisture.

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What Are the Uses of Blast Furnace Slag (BFS)? FTM Machinery

Dec 12, 2019  Using granulated blast furnace slag can save energy by 20-40%, reduce costs by 10-30%, and reduce CO 2 emissions by 44%. Civil engineering works Granulated blast furnace slag for civil engineering is used for bank protection, soft soil filling, road subgrade, embankment, etc.

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Slag Grinding Plant Great Wall

GGBS(Granulated Blast-furnace Slag) cement It is produced by grinding premium quality Granulated Blast-furnace Slag, a by-product of steel manufacturing process,consisting essentially of silicates and alumino-silicates of calcium and other bases, is formed when molten iron blast-furnace slag is rapidly chilled (quenched) by immersion in water It is a granular product with very limited crystal

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High efficiency grinding of blast furnace slag (vertical

The tube mill with dryer for blast furnace slag requires higher power consumption. Improvements in the grinding process for fine granulated slag was achieved with cement manufacturing technology such as the following: Mon, 11/30/2015

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grinding blast consumtion

Finish Grinding Industrial Efficiency Technology Measures. High efficiency grinding of blast furnace slag Power consumption can be reduced by around 30 kWh/t-slag for a slag blain value of 4000 cm 2 /g In Japan the cost for the installation of a 40 ton per hour unit is reported to be around US 73 million including cost of supplemental facilities and construction fe 1US = 165 110 Commercial...

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Guidebook for Using the Tool LBL China Energy Group

slag cement (with 65% slag) 80 kWh/t (these are typical grinding numbers only used to determine the additional grinding energy required by additives, not best practice; for best practice refer to data below in cement grinding section). It is assumed that only fly ash, blast furnace and other slags and natural pozzolans need additional energy.

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Steel-slag: a supplementary cementious material and basis

2. Steel-slag can be used to produce energy-saving cement by co-grinding with OPC clinker and blastfurnace slag. In such preparations OPC clinker is about 15-30%, steel-slag around 30-40% and blastfurnace slag is around 40-50%. 3. Producing energy-saving steel-slag cement can save energy, virgin natural resources and cut GHG emissions by around

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Loesche-Separation Plant for Production of Ultrafine

14th global slag conference, Aachen, Germany 27.03.201910 Grinding of Slag and/ or Cement Usual fineness of slag and slag cement: 3.000 5.000 Blaine High-quality blast furnace cements are producible, particularly with separate grinding in a Loesche VRM Advantages LOESCHE VRM for slag grinding: Lower energy consumption Slightly steeper

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Slag grinding with the Polysius Roller Mill in China

The grinding plant for Anshan was designed for a grinding capacity of 90tph at a ground blast furnace slag product fineness of 4000cm 2 /g according to Blaine. However, following the market trend, the plant now produces 83tph of ground blast furnace slag with a fineness of 4300cm 2 /g (acc. to Blaine).

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Slag grinding plant CHAENG

The company specializes in manufacturing tube mills, rotary kilns, vertical mills and large steel casting and can undertake the EPC projects of cement production lines, active lime production lines, blast furnace slag/ steel slag/ nickel slag grinding plants, and its products are sold to more than 50 countries and regions in Southeast Asia

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“GREEN GRINDING: ENVIRONMENTAL PROTECTION AND

Case of slag cement The use of blast furnace slag in cement productio n is very common. European standard allows the use of cements containing in some cases up to 70% slag and in some European countries slag cements account for more than 50% of total production. As described, slag gives a contribution on strengths at late ag es, thanks to the

get price

FOR CEMENT RAW MATERIAL Loesche

ideal fine grinding and at the same time ensures minimum wear. A higher specific grinding pressure is applied compared to coal grinding and a lower specific grinding pressure is applied compared to the fine grinding of clinker and granulated blast furnace slag. Hot gases are added in the dry-grinding process to evaporate material moisture.

get price

Energy Use of Fine Grinding in Mineral Processing

Dec 18, 2013  Fine grinding, to P80 sizes as low as 7 μm, is becoming increasingly important as mines treat ores with smaller liberation sizes. This grinding is typically done using stirred mills such as the Isamill or Stirred Media Detritor. While fine grinding consumes less energy than primary grinding, it can still account for a substantial part of a mill’s energy budget. Overall energy use and media

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Recovery of Copper from the Slag of Khatoonabad Flash

Copper loss in the slag of Khatoonabad flash smelting furnace is estimated to be about 1-3 %. At present, the electric slag cleaning furnace is used for the recovery of copper from slag. However, due to low recovery efficiency of electric furnace along with high consumption of electrical energy and water, selection of a method to enable minimum energy consumption and maximum recovery of copper

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Energy Consumption Grinding Bf Slag Cement Plant

Clinker Grinding Energy Efficiency In Clinker Production (OPC) Portland Slag Cement (PPC) wet plants white plants grinding plants and clinkerisation plants The total reported energy consumption of these designated consumers is about 15 01 mtoe By the end of the first PAT cycle the energy savings of 0 815 mtoe/ year was achieved

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Vertical Roller Mill GGBSCement Plant,cement grinding

1) High grinding efficiency and lower energy consumption. 2) Lower metal consumption per unit of product. 3) Grinding on the material layer bed, minimal sound emission. 4) Operation under negative pressure and minimal dust pollution. 5) Simple process flow with the combination of grinding, drying and classifying in a single unit

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Environmental Product Declaration

Total primary energy consumption Non-renewable (fossil, nuclear) MJ 88 .9 848.4 1497.2 2,434.5 (ground granulated blast-furnace slag), UN CPC 3744, is defined in ASTM C125 as iron removal from granulated slag, crushing, grinding. The ground material, slag cement (or GGBFS), is then stored onsite in a terminal or moved off-site to

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