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

Blast Furnace Operation an overview ScienceDirect Topics

The sintering process begins with the preparation of a sinter mixture consisting of iron ore fines, fluxes, solid fuel (called bonding agents in Japan) such as coke breeze, and return fines from the sinter plant and blast furnace as well as recycled ferruginous materials

More

Understanding Sinter and Sinter Plant Operations IspatGuru

Mar 15, 2015· The chemical and structural composition are very important in sinter, and it is good for the sinter to be stable so that both primary and final slags possess adequate characteristics in terms of softening and melting temperatures, liquid temperature and viscosity for the stable operation of the blast furnace.

More

Sinter plant Wikipedia

Many countries, including India, France and Germany, have underground deposits of iron ore in dust form (blue dust). Such iron ore cannot be directly charged in a blast furnace. In the early 20th century, sintertechnology was developed for converting ore fines into lumpy material chargeable in blast furnaces. Sinter technology took 30 years to gain acceptance in the iron-making domain, but now plays an important role. Initially developed to generate steel, it is now a means of using metallurgical waste gene

More

Effect of Nut Coke-sinter Mixture on the Blast Furnace

into the blast furnace in mixture with sinter. This idea was successfully tested.1) Presently the majority of blast furnaces in Europe, Japan and elsewhere use nut coke although its amount is very different: from 10–20 to 70–100kg/tHM and more.2) Oper-ation of many blast furnaces

More

Evaluation of Sinter Quality for Improvement in Gas

In this research, the blast furnace atmosphere in high PCR operation and operation with hydrogen-based reducing agents (LNG, H 2) was reproduced, and the effects of sinter quality and reducing gas composition on the reduction degradation index (RDI) and softening under-load were investigated, focusing on pressure drop. Moreover, based on the

More

JP2000192153A Sintered ore and production thereof, and

The calorific value of the blast furnace gas is controlled by controlling the preliminary reduction ratio of the sinter charged in the blast furnace to 20% or more and less than 90%. (57) [Problem] To provide a sintered ore, a method for producing the same, and a method for operating the blast furnace, which can control the calorific value of

More

The Sintering Process of Iron Ore Fines IspatGuru

Mar 09, 2013· Use of sinter reduces the coke rate and enhances the productivity in blast furnace. Sintering process helps utilization of iron ore fines (0-10 mm) generated during iron ore mining operations. Sintering process helps in recycling all the iron, fuel and flux bearing waste materials in

More

Blast Furnace operation: HOW A BLAST FURNACE WORKS

Mar 13, 2021· Iron oxides can come to the blast furnace plant in the form of raw ore, pellets or sinter. The raw ore is removed from the earth and sized into pieces that range from 0.5 to 1.5 inches. This ore is either Hematite (Fe 2 O 3 ) or Magnetite (Fe 3 O 4 ) and the iron content ranges from 50% to 70%.

More

CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

productivity and saving in coke rate to the blast furnace. The technology of sinter making has undergone radical changes both in operation and process throughout the world. High competitiveness amongst the iron and steel industries has forced the operators to

More

Evaluation of Sinter Quality for Improvement in Gas

In this research, the blast furnace atmosphere in high PCR operation and operation with hydrogen-based reducing agents (LNG, H 2) was reproduced, and the effects of sinter quality and reducing gas composition on the reduction degradation index (RDI) and softening under-load were investigated, focusing on pressure drop. Moreover, based on the

More

CHAPTER-11 FUNDAMENTALS OF IRON ORE SINTERING

productivity and saving in coke rate to the blast furnace. The technology of sinter making has undergone radical changes both in operation and process throughout the world. High competitiveness amongst the iron and steel industries has forced the operators to

More

Iron and Steel Making Troogh Blast Furnace and Sinter

furnace operations with keeping clean environment, adaptation of few newer technologies and practices in the area of Blast Furnace iron making are selected for this paper. Selected areas are described with salient features such as burden preparation including different

More

HOW A BLAST FURNACE WORKS Foundry Gate

HOW A BLAST FURNACE WORKS Introduction The purpose of a blast furnace is to chemically reduce and physically convert iron oxides into liquid iron called "hot metal". The blast furnace is a huge, steel stack lined with refractory brick, where iron ore, coke and limestone are dumped into the top, and preheated air is blown into the bottom.

More

OPERATION AT HIGH PELLET RATIO AND WITHOUT

OPERATION AT HIGH PELLET RATIO AND WITHOUT EXTERNAL SLAG FORMERS TRIALS IN AN EXPERIMENTAL BLAST FURNACE Nicklas Eklund1, Bo Lindblom1, Jan-Olov Wikström2 1LKAB, Box 952, SE-971 28 Luleå, Sweden 2MEFOS, Box 812, SE-971 25 Luleå, Sweden Abstract Blast furnaces that operate with pellet and sinter are normally using high basicity sinter

More

The choice of pellets in a mixed blast furnace burden and

improvement of a pellet for 100% pellet blast furnace operation, to the creation of a pellet especially designed to give good blast furnace process conditions when mixed with basic sin-ters. At the same time the experimental blast furnace was available for pellet testing and it has been invaluable in the development process.

More

Low Carbon Operation of Super-Large Blast Furnaces in China

On September 15, 1985, Baosteel No. 1 blast furnace (4063 m 3) was put into operation, which is first super-large blast furnace in China, marking a boost to Chinese large blast furnace, then the development of Chinese super-large blast furnace entered the initial period.Baosteel No. 1 blast furnace was based on first generation of Nippon Steel Kimitsu plant No. 3 blast furnace and built by

More

Understanding Ironmaking in Blast Furnace and Dissection

Apr 17, 2020· Alkalis, blast furnace, Blast temperature, Central working, cohesive zone, Dissection studies, gas flow, high top pressure, Pellet, sinter, Understanding Ironmaking in Blast Furnace and Dissection studies in Japan. The blast furnace (BF) ironmaking is the most viable means of producing hot metal (HM) mainly due to its well established and

More

Blast Furnace operation: 2011

Dec 15, 2011· Increasing the Al 2 O 3 content in the blast furnace slag, the blast furnace operations tend to make troubles such as excess accumulation of molten slag in the blast furnace hearth and increasing pressure drop at the lower part of the blast furnace. So, it will be important to keep good slag fluidity at the blast furnace operations such as, drainage of tapping and keeping good permeability.

More

Operation of an experimental furnace with pellet and

At low driving rates, the lowest coke rates were obtained with burdens composed of 100% fluxed sinter. At higher driving rates, however, good pellet burdens gave the better coke rate and the higher productivity. Nevertheless, the tests run with a 100% sinter burden at high driving rate should be repeated, as the sinter contained a higher percentage of fines (0-3/16 in.) than during the first test.

More

Blast Furnace Anatomy #1 To the Heart of Steelworks

Altogether, there are 9 blast furnaces at POSCO steelworks — four in Pohang, and five in Gwangyang. With an internal capacity of 6,000 cubic meters, the No.1 blast furnace in Gwangyang has the biggest production capacity in the world. Blast furnace produces molten iron, and it is indispensable to steelworks operation.

More

12.5 Iron And Steel Production

source. Emissions are also generated from other material handling operations. At some sinter plants, these emissions are captured and vented to a baghouse. 12.5.2.2 Blast Furnace The primary source of blast furnace emissions is the casting operation. Particulate emissions are generated when the molten iron and slag contact air above their

More

Operation at High Pellet Ratio and Without External Slag

A high amount of pellets was balanced with high basicity sinter. An improved blast furnace operation is shown when operating at ultra low slag volume and without external slag formers. During the test period, the blast furnace operation was smooth and stable, and the

More

Lead smelting Wikipedia

A reducing environment (often provided by carbon monoxide in an air-starved furnace) pulls the final oxygen atoms from the raw metal. Lead is usually smelted in a blast furnace, using the lead sinter produced in the sintering process and coke to provide the heat source. As melting occurs, several layers form in the furnace.

More