Limestone Its Processing and Appliion in Iron and. Jul 07, 2017· The main uses of limestone in iron and steel industry are (i) as a fluxing material, and (ii) other usage which consists of desulphurizing agent, coating of moulds of pig casting machine, neutralizing of acidic water, water treatment, waste water (effluent) treatment, flue gas treatment, and sludge and .

limestone in pig iron process. Creating Iron HowStuffWorks,Liquid iron collects at the bottom of the blast furnace underneath a layer of slag The blacksmith periodically lets the liquid iron flow out and cool At this point the liquid iron typically flows through a channel and into a bed of sand Once it cools this metal is known as pig iron To create a ton of pig iron you start with 2 tons 18 ...

Limestone Its Processing and Appliion in Iron and. Jul 07, 2017· The main uses of limestone in iron and steel industry are (i) as a fluxing material, and (ii) other usage which consists of desulphurizing agent, coating of moulds of pig casting machine, neutralizing of acidic water, water treatment, waste water (effluent) treatment, flue gas treatment, and sludge and sewage treatment.

 · Pig iron is the intermediate product which is obtained during the smelting of iron ore with coke, in this process limestone is used as flux. Pig iron has maximum carbon content, it is around –% which improves the brittleness of iron. In olden days, the Chinese Zhou dynasty were making pig iron in Europe.

The Romelt process of reducing molten is a continuous onephase process used in the production of liquid pig iron from various raw materials that containing iron and waste with the use of coal. Figure 1, shows a general layout of a Romlet unit, where the furnace is fed with raw materials, coal and limestone using charging boxes connected to ...

 · Limestone In Pig Iron Process. Combustion process the iron in the processed ores must be dissolved out by chemical processes this requires an element that binds oxygen more strongly than iron this is exactly what carbon can do as a reducing agentthe carbon is fed to the blast furnace in the form of coke pyrolyzed coal from the coking plantat sufficiently high temperatures the carbon can ...

 · (i) Role of limestone in the manufacture of pig iron from haematite. The limestone decomposes in the hot furnace, forming calcium oxide. This reacts with the sandy impurities (silicon dioxide) to form a slag. hence limestone is added to the blast furnace. CaCO₃ > CaO + CO₂ (ii) Role of Pine oil in the froth flotation process.

Text b PigIron Production basic materials used for the manufacture of pig iron are iron ore, coke, and limestone. ... In this process iron o

kiln process volatile matter should be in the range of 25 to 30 percent. DOLOMITE/LIMESTONE Limestone is used as a desulphuriser in the production of sponge iron. Typical specifiion of limestone is given below – CHEMICAL COMPOSITION .

Pig iron, also known as crude iron, is an intermediate product of the iron industry in the production of steel which is obtained by smelting iron ore in a blast iron has a very high carbon content, typically –%, along with silica and other constituents of dross, which makes it very brittle and not useful directly as a material except for limited appliions.

limestone in pig iron process. Iron Ore Smelting Process Brighthub Engineering. Here the ore is put into a blast furnace along with limestone and coke and subjected to hot air blasting and heat which converts the ore to molten iron This is tapped from the bottom of the furnace into molds known as pigs and allowed to solidify into pig iron This pig iron is converted to wrought iron or processed

milled limestone | iron steel | carmeuse. our milled limestone is used in the ironmaking process to produce the slag, which removes impurities from the iron ore while making liquid pig iron. our milled limestone is added to iron sinter and pellets to add flux and promote agglomeration in your products. blast furnaces can add limestone directly to the burden to promote slag formation and ...

 · In making cast iron from pig iron the cruder form of iron coke and limestone are added to pig iron and scrap iron in a furnace. Cast iron is more refined form of iron and has lesser carbon content as well. What exactly occurs in this process of making cast iron .

Fe balance: ().(Fein iron ore) =Fe in pig iron Let x kg iron ore H 5 5 6 5 : 4 H L927 L Ú à Ù ß ï (a) Weight of slag: Slag consists of FeO,SiO 6,Al 6 O 7,MgO,P 6 O 9,CaO Si in slag L Si in ore ESi in coke ESi in limestone LSi in pig iron

Description. Pig iron is the intermediate product of smelting iron ore with a highcarbon fuel such as coke, usually with limestone as a flux. Charcoal and anthracite have also been used as fuel. Pig iron has a very high carbon content, typically –% which makes it very brittle and not useful directly as a material except for limited appliions.

Limestone Used In Production Of Sponge Iron. Pig Iron Manufacturing Process. In the electricfurnace production of pig steel from ore carbon in the product can be kept below per cent. and regulated to an extent by the amount of carbon charged without resulting in excessive loss of iron in the slag or in the production of a pig steel very high in impurities if a fair grade of ore is used

To create a ton of pig iron, you start with 2 tons ( metric tons) of ore, 1 ton of coke ( metric tons) and a half ton ( metric tons) of limestone. The fire consumes 5 tons ( metric tons) of air. function of limestone in pig iron processing. Explain The Function Of Limestone In The Pig Iron Processing.

 · Our milled limestone is used in the ironmaking process to produce the slag, which removes impurities from the iron ore while making liquid pig iron. Our milled limestone is added to iron sinter and pellets to add flux and promote agglomeration in your products. Blast furnaces can add limestone directly to the burden to promote slag formation and protect the refractory.