Efficiency Improvement Of Blast Furnace Main Iron Trough
Blast Furnace Reactions Chemistry Maths Tutor
Blast Furnace Iron Making Modern Blast Furnaces are equipped with several supporting facilities to increase efficiency such as ore storage yards where barges are unloaded The raw materials are transferred to the stock house complex by ore bridges or rail hoppers and ore transfer cars Rail mounted scale cars or computer controlled weight hoppers weigh out the various raw materials to yield
Get Price
Study of the Comprehensive Evaluation of Energy Efficiency
In addition the relative closeness of the heating furnace is mostly concentrated between 0 5 and 0 7 which shows that the efficiency is low The weak link of energy consumption is analyzed and the corresponding improvement measures are put forward
Get Price
Study of the Comprehensive Evaluation of Energy Efficiency
In addition the relative closeness of the heating furnace is mostly concentrated between 0 5 and 0 7 which shows that the efficiency is low The weak link of energy consumption is analyzed and the corresponding improvement measures are put forward
Get Price
INDUSTRIAL ENERGY EFFICIENCY PROJECT
The main purpose of the project Industrial Energy Efficiency in EgyptDevelopment of Benchmarking Reports for producing steel from iron ores Blast Furnace with basic oxygen furnace BF BOF known as integrated to an energy efficiency improvement of 0 41 a year in the period 2012 to 2050 The value for the BPT
Get Price
ENHANCEMENT OF LIFE OF BLAST FURNACE RUNNER
With the recent development of iron making technology the productivity of blast furnace has increased phenomenally In order to deal with the increased productivity of blast furnace the increase in cast house availability also has become a necessity In recent days a lot of developments have been made in the trough castable to achieve higher
Get Price
Efficiency improvement of the hot blast generating
Efficiency improvement of the hot blast generating system by waste heat recovery Pei Hsun Lin Pai Hsiang Wang Hui Tien Hot stoves are thermal regenerators applied to produce hot blast air in blast furnace iron making process In China Steel Corporation the hot blast air The main fuel used for hot stove combustion is the Blast Furnace Gas
Get Price
BLAST FURNACE PROCESS IMPROVEMENT WITH PROBES
on Iron Ore and 2nd Brazilian Symposium on Agglomeration of Iron Ore September 15th to 18th While the improvement of the blast furnace process with respect to productivity remains the main task also the timely identification of abnormalities and the good operation practice and efficiency
Get Price
Cost Effectiveness Analysis of HYL and Midrex DRI
arc furnace EAF The BF BOF is a two step process First in the blast furnace mined iron ore is combined with limestone and coke to form molten iron The purpose of a blast furnace is to chemically reduce and physically convert iron oxides into liquid iron called hot metal Blast Furnace 2016 Integrated steel
Get PriceBlast Furnace System Industrial Efficiency Technology
In a blast furnace BF the iron oxides are reduced and the resulting iron is melted Approximately 70 of the global steel production involves the use of BFs Sizes of BFs installed cover a very wide spectrum ranging from less than 100 m3 to more than 5000 m3 Larger BFs have less heat losses and enable installation of heat recovery equipment more cost effectively IEA 2007 p 116
Get Price
3 2 Guideline for Energy Efficiency Improvement and
3 2 Guideline for Energy Efficiency Improvement and Conservation for Iron and Steel making Industry Integrated steel works where iron ores are processed to make pig iron by a blast furnace COREX which is processed into steel and further into steel products such as steel sheets steel bars etc The main emphasis
Get Price
Iron Trough And SkimmerChestofBooks
Iron Trough And Skimmer A violent explosion is caused by molten iron running on to even the smallest wet spot on anything made of iron but it cannot bore into the iron as it does into the sand in case of a boil so that the explosion while violent and dangerous to the men is limited to a single shot and the iron cannot work down to any
Get Price
NEW ANTI OXIDATION TECHNOLOGY FOR TROUGH
One of the main difficulties in the operation of trough and runners at Arcelor Mittal Tubarão AMT Blast furnace no 02 is the reduced amount of time available for repair An analysis of this life improvement showed 6 Blast furnace #02/#03 Manager Iron making Department Arcelor Mittal Tubarão Serra ES
Get Price
Improvement in Blast Furnace Reaction Efficiency through
Any improvement in the blast furnace reaction efficiency during the blast furnace ironmaking process is very signifi cant since it has the potential to allow a decrease in the re ducing agent rate the amount in kg of reducing agents such as coke and coal needed to produce 1000kg of pig iron as well as CO 2 emissions Naitoet al 1
Get Price
Recent developments in blast furnace iron making
Blast furnace process 1 iron burden 2 flux and/or other additives 3 coke 4 hot blast with oxygen 5 injectants 6 taping of hot metal and slag 7 top gas 17 3 2 Streaming conditions and heat exchange The BF process occurs in a counterflow
Get Price
Numerical Analysis on Flow Behavior of Molten Iron and
stream is injected into the main trough from the taphole of blast furnace hearth and solve 1 to 6 the boundary conditionswerespecifiedas 1 thepressurewhichiscontact surface under the atmosphere of 1atm 2 the no slip conditionswereimposed andthewalltemperatureissetas 1773K 3 therateratioofmoltenirontoslaginthetaphole
Get Price
An energy efficiency analysis of an industrial reheating
of blast furnace and coke oven gas were read from the counters that exist in the system The furnace energy balance was formed by using the measured values and the values that taken from the counters With this established energy balance the furnace efficiency and the potential energy savings areas were calculated For the analyses of
Get PriceBlast Furnace Construction In America by J E Johnson Jr
Blast Furnace Construction In America To James Gayley founder of modern american blast furnace practice inventor of the dry blast generous and helpful friend to many furnacemen this work is respectfully dedicated Preface The blast furnace is the key which unlocks Nature s stores of iron
Get PriceGary Works No 13 blast furnace A new removable trough
The No 2 blast furnace is a single taphole furnace with a convection air cooled iron trough The iron runner system is designed to fill four 90 ton open top ladles per cast which are transported by locomotive to the steel shop The slag runner system is capable of filling three 800 ft sup 3 slag pots per cast The No 2 blast furnace was blown in from mini reline with this new casthouse configuration in
Get Price
Blast Furnace System Industrial Efficiency Technology
In a blast furnace BF the iron oxides are reduced and the resulting iron is melted Approximately 70 of the global steel production involves the use of BFs Sizes of BFs installed cover a very wide spectrum ranging from less than 100 m3 to more than 5000 m3 Larger BFs have less heat losses and enable installation of heat recovery equipment more cost effectively IEA 2007 p 116
Get PricePDF Recent Developments in Blast Furnace Technology
The objective of the paper is to discuss major technological developments in the blast furnace technology namely higher oxygen enrichment from about 21 to 30 lower hot blast temperature from about 1200 to 800°C pulverized coal injections within the tuyeres and raceway of the blast furnace upto 250 kg/THM better burden distribution and the
Get Price
Improving the efficiency of slag and pig iron separation
Lobachev V T Shestopalov I I Minaev V M et al Improving the efficiency of slag and pig iron separation in the main trough of a blast furnace Metallurgist 28 230–232 1984 https //doi/10 1007/BF Download citation Issue Date July 1984 DOI https //doi/10 1007/BF
Get Price
Improved Recovery of Blast Furnace Gas Industrial
Improved Recovery of Blast Furnace Gas A typical BF produces Nm 3 of furnace gas per ton of pig iron containing 20–28 CO and 1–5 H 2 The energy content of this gas may equal to an energy export of around 5 GJ/t pig iron or approximately 30 of the gross energy consumption in BF This energy content can be utilized by
Get Price
Handling of Hot Metal in Blast Furnace Iron Making
Handling of Hot Metal in Blast Furnace Iron Making Hot metal HM is produced by the reduction of descending ore burden by the ascending reducing gases in a blast furnace BF It is liquid in nature and gets collected in the hearth of the BF From the hearth the HM is tapped from the taphole of the BF after an interval of time
Get Price
Improvement in Blast Furnace Reaction Efficiency through
Any improvement in the blast furnace reaction ef iency during the blast furnace ironmaking process is very signi cant since it has the potential to allow a decrease in the re ducing agent rate the amount in kg of reducing agents
Get PriceEfficiency Improvement of Blast Furnace Main Iron Trough
In this article we will share some info about blast furnace main iron trough wear conditions and how to improve the efficiency of main iron runner trough with making 3D laser scans analysis We are working in Kardemir Blast Furnace 5 and we are process engineers
Get Price
Numerical Analysis on Flow Behavior of Molten Iron and
The main trough of blast furnace number 4 at China Steel Co CSC BF4 with 7200 tons/day of production capacity was modeled for the three dimensional computational fluid dynamics CFD to investigate the separation efficiency of molten iron and slag in this work
Get Price
Proceedings of the Iron Steel Technology Conference
Thermal Analysis and Utilization of Main Trough 382 Xinjie He Zhigang Fan Li Su Zhongping Zou Ming Zheng Niansong He RAW MATERIALS Addition of Scrap and DRI/HBI to the Blast Furnace Technology to Overcome Top
Get Price
BLAST FURNACE BF REFRACTORY LINING PATTERN
Blast FurnaceAn Introduction Blast Furnace is the focus of any integrated steel plant Blast furnace is used to reduce the iron ore to iron The charge which consists of iron ore coke and limestone etc in the form of lumps and different ratios is fed from the top Air heated in the blast furnace stoves is applied from the bottom of the
Get Price
PDF Stabilizing the composition of blast furnace
To determining the efficiency of mixing partial mixing of the sinter and pellets by their proportional introduction in each skip is organized at blast furnace 6 Note that previously two skips out of the four con taining iron ore contained two ore components in the charging cycle on account of their unequal content in the batch 60
Get Price
Blast Furnace Construction In America by J E Johnson Jr
Blast Furnace Construction In America To James Gayley founder of modern american blast furnace practice inventor of the dry blast generous and helpful friend to many furnacemen this work is respectfully dedicated Preface The blast furnace is the key which unlocks Nature s stores of iron
Get Price
Technological Changes in Blast Furnace Iron Making
India as a 4 steel producer in the world has resulted due to adaptation of new technologies in the field of iron and steel making since from the last few decades Keeping in view for increasing quality of hot metal and its production rate efficiency of the furnace operations with keeping clean environment adaptation of few newer technologies and practices in the area of Blast Furnace iron
Get PriceImprovement in Blast Furnace Reaction Efficiency through
DOI 10 2355/TETSUTOHAGANE1955 92 3 223 Corpus ID Improvement in Blast Furnace Reaction Efficiency through the Use of Highly Reactive Calcium Rich Coke article Nomura2006ImprovementIB title= Improvement in Blast Furnace Reaction Efficiency through the Use of Highly Reactive Calcium Rich Coke author= S Nomura and Hiroyuki Ayukawa and
Get PriceBlast Furnace Iron Trough CastableRefractories
Blast Furnace Iron Trough Castable The development of self flow Al Si C castable brings lots of convenience for casting construction The unit refractory consumption of per ton iron is significantly decreased with the improvement of refractory castable quality
Get Price
Steel Manufacturer Improves Blast Furnace Efficiency With
there are numerous steel mills in the world wanting to improve efficiency throughout the plant One of the main areas for improvement is in the blast furnace area Operators combine iron ore limestone and coke in a blast furnace to produce molten iron The iron is then refined with scrap and
Get PriceDEVELOPMENT OF IMPROVED TAP HOLE CLAY FOR
1 8 The main characteristic for good performance tap hole clay wear in the trough and can make a significant contribution to controlling cast house discharge of iron and slag produced inside blast furnace However recently in Japan tap hole clay is exposed to severer condition as the size of the blast furnace gets bigger and
Get Price
