blast furnace menggunakan dolomite

Dolomite - Cargo Handbook - the world's largest cargo ...

The dolomite containing insolubles (Al 2 O 3 +Fe 2 O 3 +SiO 2) upto 7%, is used in the blast furnace by most of the steel manufacturers in the country but the dolomite dontaining a maximum of 4 to 5% insolubles is preferred. Silica and alumina contents in dolomite are not regarded deleterious for blast furnaces. They only cause unnecessary ...

Kumpulan Artikel: KONSTRUKSI DAPUR TINGGI

Jan 07, 2017· Dapur tinggi atau blast furnace terbuat dari dari susunan batu tahan api yang diberi selubung baja pelat untuk memperkokoh konstruksinya. Agar proses dapat berjalan dengan lancar,udara pengembus perlu dipanaskan terlebih dahulu didalam dapur pemanas udara dengan menggunakan bahan bakar dari kokas atau arang batu bara yang sudah didestilasikan ...

(PDF) STUDY ON PHYSICAL-CHEMICAL PROPERTIES OF FURNACE ...

komposisi paduan dari sampel bubuk slag nikel furnace dengan menggunakan XRD tipe ... is introduced using the dolomite as the raw material. ... use of granulated blast furnace slag as an active ...

RECYCLING OF FLUE DUST INTO THE BLAST FURNACE

blast furnace might have similar effects as those foundin these studies. Injections of fines of fluxes and iron oxide in some blast furnaces to decrease the Si content of hot metal have been tested [6-12]. In a study of simultaneous injection of coal and dolomite, a significant decrease in the Si content of hot metal was seen[7]. The effect of ...

Factors affecting Coke rate in a Blast Furnace – IspatGuru

Jun 29, 2014· Blast furnace coke rate reduces by around 2 % with the blast temperature increasing by 100 deg C. High top pressure also reduces the coke rate in the blast furnace. With every increase of top pressure of the blast furnace by 0.1 kg/sq cm there is a reduction of around 0.1 % in the coke rate.

PENGARUH PENAMBAHAN FLUX DOLOMITE PADA PROSES …

1,6%. Pada penelitian ini, menggunakan 1000 gram bahan dengan 483,1 gram tembaga matte dan 516,9 gram logam tembaga. Proses converting dilakukan dengan . Muffle Furnace. Proses dilakukan dengan pemanasan bahan hingga menjadi lelehan pada temperatur 1250. o. C, lalu penambahan fluks dolomite sesuai dengan variasi yang ditentukan dan

Blast Furnace - an overview | ScienceDirect Topics

Blast furnace gas is produced during the iron oxide reduction in blast furnace iron making in which iron ore, coke and limestone are heated and melted in a blast furnace and is an indigenous process gas of the steelworks industry (Pugh et al., 2013 ). Blast furnace gas has a high carbon monoxide (CO) content and a low heating value, typical ...

Mini Blast Furnace | Slrm

Mini Blast Furnace. SLRM is operating a 262 m 3 (working volume) Blast furnace since 2012. Sinter, calibrated lump ore, limestone, dolomite, quartzite and coke are charged into the MBF from top and hot air is passed from the bottom. Ascending oxygen in the air reacts with the carbon in the coke to form CO which reduces the descending iron ...

Peleburan | VIRUS METALURGI

PROSES STEELMAKING DENGAN BAHAN BAKU DARI BLAST FURNACE. Basic Oxygen Furnace(BOF) Perkembangan Konverter. Gambar 2. Perkembangan Konverter. 1). Proses Konverter. Dimana proses konverter adalah salah satu proses dari dapur baja yang menggunakan batu bata tahan api yang bersifat asam dan juga batu bata yang bersifat basa.

Ketahui Lebih Jauh Apa Itu Metode Blast Furnace? | PS Steel

Sep 20, 2019· Blast furnace disebut pula sebagai metode tanur tegak atau tinggi, karena menggunakan prosesnya yang menggunakan tanur berbentuk silinder tegak dengan ukuran yang relatif besar. Diameternya tanur ini berukuran ±6 meter dengan tinggi ±20-30 meter.

Analisa Pengaruh Ukuran Diameter Large Bell Terhadap ...

Oleh karena itu, penelitian ini difokuskan untuk menganalisis pengaruh ukuran diameter large bell pada charging system dengan tipe double-bell system terhadap distribusi burden materials di dalam Mini Blast Furnace menggunakan Solid Particle Model.

Utilization of by-pass cement kiln dust and air-cooled ...

trates that the main components of the aggregate are dolomite and calcite minerals. The air-cooled blast-furnace steel slag has been obtained from the Egyptian Iron and Steel Company, Helwan, Egypt. The blast-furnace steel slag is generated extensively as a by- product in the manufacture of pig iron during the smelting of the iron ore.

Saugata Khawas - BLAST FURNACE OPERATION - VISA Steel ...

View Saugata Khawas' profile on LinkedIn, the world's largest professional community. Saugata has 2 jobs listed on their profile. See the complete profile on LinkedIn and discover Saugata's connections and jobs at similar companies.

Pembelajaran: Pengolahan Baja dengan Dapur …

Oct 15, 2012· Proses pembuatan baja dengan cara Open-Hearth furnace ini dapat dalam keadaan basa atau asam (basic or acid open-hearth). Pada basic open-hearth furnace, dinding bagaian dalam dapur dilapisi dengan magnesite brick. Bagian bawah untuk tempat logam cair dan terak dari bahan magnesite brick atau dolomite …

Pengertian Refractory – PT BENTENG API REFRACTRORINDO

Apr 19, 2018· Name Position Phone No. telp Fax Office & Factory Admin (0342)562882,562878 0342-562878 Marketing Office (031)7661609 031-7660920 Rahulla Putra Marketing 0815-5091334 081238436404 1.REFRAKTORI Bahan-bahan yang digunakan untuk menahan pengaruh abrasi atau korosi bahan padat, cair, atau gas pada suhu tinggi.Karena penggunaannya yang bervariasi dalam …

STUDI PENGARUH VARIASI KETEBALAN LAPISAN BURDEN …

menggunakan mini blast furnace (MBF) yang menghasilkan ferronikel kualitas rendah, diistilahkan sebagai nickel pig iron (NPI). MBF adalah blast furnace dengan working volume yang lebih kecil (~300 m3). Laterit dengan kadar Fe tinggi yang telah mengalami proses …

Dolomite Aggregate - Rongsheng Refractory Materials ...

Dolomite is carbonate mineral which takes the form of rhombohedral. The color of dolomite aggregate is usually white. Due to dolomite aggregate properties, dolomite is mainly used in making basic refractory, flux for blast furnace iron-making and the ingredients for glass and ceramics.

What is the Composition of BFS (Blast Furnace Slag)?

Blast Furnace Slag is shaped when iron pellets or iron ore, coke, and limestone or dolomite (Flux) are heated together in a blast furnace. When the metallurgical melting procedure is finished, the lime in the flux has been chemically united with the aluminates and silicates of the ore and coke ash to procedure an outcome named blast furnace slag which is non-metallic.

Dr. Sungging Pintowantoro ST., MT.Profile - Resources ITS

2018 : Sungging Pintowantoro, Optimasi Distribusi Bahan Baku pada Proses Charging dalam Mini Blast Furnace menggunakan Model Discrete Element Method (DEM) â€" Computational Fluid Dynamic (CFD) Coupled. 19. 2018 : Analisa Penggunaan Mineral Dolomit pada Proses Direct Reduction Pasir Besi Jenis Titanomagnetite. 20.

Top PDF PENGOLAHAN NIKEL LATERIT SECARA PIROMETALURGI ...

Salah satu feed material pada reaktor Mini Blast Furnace adalah fluks. Fluks berguna untuk menjaga tingkat basisitas slag agar proses pengolahan / smelting dapat berjalan dengan baik. Akan tetapi, jika fluks tersebut langsung dimasukkan dalam mini blast furnace maka akan membutuhkan banyak energi untuk menaikkan temperatur fluks tadi.

Feature 1 Kobe Steel's Blast Furnace Operation Technology

Aug 21, 2008· blast furnace for the first time and took its initial step as an integrated blast furnace steelmaker. Later, during Japan's period of high economic growth, Kobe Steel constructed blast furnaces Nos. 2 and 3 at the Kobe Works and blast fur-naces Nos. 1 and 2 at the Kakogawa Works. Kobe Steel has been improving proprietary blast furnace ...

PYROXENITE MINING - OREX MINING COMPANY DMCC

Replacement of dolomite in blast furnace. Reduction in coke consumption to the tune of 5 kg/ ton. Present consumption 58-60 kg/ton which shall be reduced to 53- 55 Kg/ ton on using Pyroxenite. Increase in productivity by 2-4 %. Decrease of quartzite in blast furnace. Decrease in crushing and handling cost of dolomite.

Sungging PINTOWANTORO | Lecturer | Doctor of Engineering ...

Blast furnace is a principal metallurgical reactor in ironmaking process, and usually treated as a counter current moving bed reactor. In the lower part of this reactor, flows of gas, solid ...

Dolomite | Official Website of Mineral Resources ...

Reserve 45.115 million tonnes of dolomite estimated in kumli-Tiriya Area, SE of Gumalwada Grade Presence of blast furnace grade dolomite MgO-18.22to 21.44% Cao- 27.82 to 30.74% A.I. 2.82 to 6.00%: 1. Presence of blast furnace grade dolomite. 2. Pulsa (18049';82037' & Tolawada (18050';82007') Containg refractory grade dolomite) 3. Deposit under ...

Comprehensive Electric Arc Furnace Electric Energy ...

Comprehensive Electric Arc Furnace Electric Energy ... 25 parameters were considered during melting (e.g., coke, dolomite, quantity), refining and tapping (e.g., injected oxygen, carbon, and limestone quantity) that were selected from 3248 consecutively ... using the blast furnace. However, the influence of maintenance on producing steel from ...

12.5 Iron And Steel Production

Iron is produced in blast furnaces by the reduction of iron bearing materials with a hot gas. The large, refractory lined furnace is charged through its top with iron as ore, pellets, and/or sinter; flux as limestone, dolomite, and sinter; and coke for fuel. Iron oxides, coke and fluxes react with the

Analisa Pengaruh Ukuran Diameter Large Bell Terhadap ...

Charging system berperan sebagai pengatur distribusi burden materials di dalam Mini Blast Furnace. Selanjutnya, distribusi burden materials akan mempengaruhi aliran gas di dalam reaktor. Sehingga charging system memegang peranan penting terhadap proses pengolahan. Oleh karena itu, penelitian ini difokuskan untuk menganalisis pengaruh ukuran diameter large bell pada charging system dengan …

Blast Furnace - HarbisonWalker International

The blast furnace process has been the primary method for producing iron for many decades. The blast furnace is a refractory-lined circular shaft 100 to 200 feet high, with an internal diameter between 20 and 45 feet. The refractory wall lining typically measures two feet or more in thickness and contains more than 2,500 tons of refractories.

What is the purpose of limestone in a blast furnace? - Quora

Answer (1 of 7): limestone is used to remove impurities in the furnace and the main impurity of the blast furnace is silica (sand and rock) which is silicon dioxide. silicon dioxide is a solid at furnace temperatures so it reacts with calcium oxide from the decomposition of limestone (CaCO3). thi...

Which substance is used to remove impurities from iron ore ...

Answer (1 of 2): In a blast furnace, limestone (calcium carbonate) and/or dolomite (calcium magnesium carbonate) is added as a fluxing agent. Coke (carbon from coal) is added as a reducing agent. Iron ore is the main ingredient, it contains a little iron oxide and a lot of silicon dioxide (and su...