Technical Report No.53 (2010) Shinagawa Refractories
This new castable material for the blast furnace trough using silica sol as a binder has high resistance against steam explosion during drying because of very low water vapor pressure generated with rapid heating and it needs only two thirds drying time compared to ordinary low cement castable material.
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Refractory castable for Blast furnace trough 123yilong
May 29 2014 · Used for blast furnace lining in castable refractory material. It is a kind of containing silicon carbide and carbon of high alumina castable. Trough the castable lining was developed in the late twentieth Century 70 a new unshaped refractory materials with the iron quantity long service life low consumption of refractory material convenient construction etc
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High-temperature mechanical characterisation of an alumina
Blast Furnace main trough is an industrial structure submitted to severe high temperature cyclic loading applied on its inner lining made of refractory concrete.
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Numerical Analysis on Velocity and Temperature of the
The main trough of the blast furnace is a drainage channel for molten iron and slag. In tapping of a 3000 m 3 blast furnace 4 to 7 tons per minute of molten slag and hot metal with 1773 K flows into the main trough from a tap hole. Tapping time changes from 70 to 120 min and tapping number is around 15 every day .Then with gravity force molten slag moves to a skimmer on the top of hot
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Application Examples of Monolithic Refractories
May 10 2002 · A high-temperature dense castable formulation is used to line the blast furnace trough where molten iron exits the furnace. A high-strength castable is used to line the covering area of the blast furnace trough. An acid-resistant gunned material is used to insulate the blast furnace stove. This furnace stove heats the air that is blown into the
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Novel Castable Technology for a Safe Extended Lifetime
Corrosion tests were conducted in a high-frequency furnace using samples calcined at 400°C for 5 hours. As the corrosive agent a mix of blast furnace slag and pig iron was used (80 slag 20 pig iron for slag attack test). Table 2 presents the chemical composi-tion of the blast furnace slag used in
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High temperature mechanical characterisation of an alumina
Nov 01 2008 · Blast Furnace main trough is an industrial structure submitted to severe high temperature cyclic loading applied on its inner lining made of refractory concrete. The attempt to increase the lifetime of such a structure by numerical simulation requires a proper experimental characterisation of all materials involved and particularly of the
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Refractory castable for Blast furnace trough 123yilong
May 29 2014 · Used for blast furnace lining in castable refractory material. It is a kind of containing silicon carbide and carbon of high alumina castable. Trough the castable lining was developed in the late twentieth Century 70 a new unshaped refractory materials with the iron quantity long service life low consumption of refractory material convenient construction etc
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For metallurgy industryNovaref
In the sintering zone of rotary kiln at high temperature iron pellets generate a low viscosity liquid phase on it which causes the forming of a thick annular coating ring on refractory surface. Read more. Refractories for Blast Furnace Trough Novaref manufactures monolithic refractories of system Al2O3-SiC-C for use in Blast Furnace
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Handling of Hot Metal in Blast Furnace Iron MakingIspatGuru
Handling of Hot Metal in Blast Furnace Iron Making. satyendra February 10 2016 Generally the temperature of tapped HM varies in the range of 1420 deg C to 1480 deg C. The materials used for normal application for the long lining life of the trough are (i) refractories with high silicon carbide content at the slag line for excellent
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JPACasting bed runner for blast furnace
PROBLEM TO BE SOLVED To provide a casting bed runner for a blast furnace in which a trouble of hot metal leakage is hardly caused during the cold inspection work performed at intervals by preventing a crack which is a main cause of a trouble of hot metal leakage and is caused in a refractory lining from reaching a steel shell and thereby preventing a strain and damage of the steel shell
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EFFECT OF ADDITIVES ON THE PROPERTIES OF Al2O3-SiC-C
Sunward Refractories Co. Ltd. Kaohsiung Taiwan ABSTRACT Different additives were applied on Al 2O3-SiC-C main trough materials (castables) and slag runner materials (ramming mix) of blast furnace for improving workabilities physical properties and life time. High temperature physical
Get PriceHandling of Hot Metal in Blast Furnace Iron MakingIspatGuru
Handling of Hot Metal in Blast Furnace Iron Making. satyendra February 10 2016 Generally the temperature of tapped HM varies in the range of 1420 deg C to 1480 deg C. The materials used for normal application for the long lining life of the trough are (i) refractories with high silicon carbide content at the slag line for excellent
Get PriceBLAST FURNACE (BF)REFRACTORY LINING PATTERN
The hot blast system incorporating either three or four hot blast stoves per blast furnace is the other major refractory installation in the blast furnace complex. With today s large blast furnaces the main trend in hot-blast stoves is toward high temperature and pressure ventilation with dome temperature
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Blast Furnace Trough Materials (Trough Mix) The flow rate of molten metal and slag through the trough system increase many times in case of larger blast furnaces. To get good campaign life special attention must be given to both refractory lining and design i.e. trough geometry and cooling system. The trough design is based
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FURNACES AND REFRACTORIESModern Eq
Creep at high temperature Creep is a time dependent property which determines the deformation in a given time and at a given temperature by a refractory material under stress. Volume stability expansion and shrinkage at high temperatures The contraction or expansion of the refractories can take place during service life.
Get PriceTechnical Report No.53 (2010) Shinagawa Refractories
This new castable material for the blast furnace trough using silica sol as a binder has high resistance against steam explosion during drying because of very low water vapor pressure generated with rapid heating and it needs only two thirds drying time compared to ordinary low cement castable material.
Get Price
Refractory castable for blast furnace Iron Trough
The refractory castable for blast furnace Iron Trough is aluminum silicon carbide castable.It mainly uses fused corundum (or sintered corundum special calcined bauxite ).Graphite and silicon carbide which contain more than 90 -95 fixed carbon as main raw materials then formed after evenly stirred and mixed by adding binder to mixing and then
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Study on the aluminasilicon carbidecarbon based
Trough of blast furnace is important for transferring hot metal from blast furnace to transport vessel and the refractory lining of trough is subject to slag corrosion oxidation FeO corrosion from metal abrasion and thermal / mechanical spalling etc. Trough refractories
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High temperature mechanical characterisation of an alumina
High temperature mechanical characterisation of an alumina refractory concrete for Blast Furnace main trough Part I. General context November 2008 Journal of the European Ceramic Society 28(15
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Numerical Analysis on Velocity and Temperature of the
Response Thanks for your suggestion. We added the following to introduce the tapping of the blast furnace. " In tapping of 3000 m 3 blast furnace 4 to 7 tons per minute of molten slag and hot metal with the temperature = 1773 K flow into the main trough from the taphole and tapping time is 70 to 120 minutes and tapping number per day is
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Technical Report No.53 (2010) Shinagawa Refractories
This new castable material for the blast furnace trough using silica sol as a binder has high resistance against steam explosion during drying because of very low water vapor pressure generated with rapid heating and it needs only two thirds drying time compared to ordinary low cement castable material.
Get Price
BLAST FURNACE (BF)REFRACTORY LINING PATTERN
The hot blast system incorporating either three or four hot blast stoves per blast furnace is the other major refractory installation in the blast furnace complex. With today s large blast furnaces the main trend in hot-blast stoves is toward high temperature and pressure ventilation with dome temperature
Get Price
BLAST FURNACE TROUGH MATERIALS AND TAP HOLE
Blast Furnace Trough Materials (Trough Mix) The flow rate of molten metal and slag through the trough system increase many times in case of larger blast furnaces. To get good campaign life special attention must be given to both refractory lining and design i.e. trough geometry and cooling system. The trough design is based
Get Price
High-temperature mechanical characterisation of an alumina
Blast Furnace main trough is an industrial structure submitted to severe high temperature cyclic loading applied on its inner lining made of refractory concrete.
Get Price
Novel Castable Technology for a Safe Extended Lifetime
Corrosion tests were conducted in a high-frequency furnace using samples calcined at 400°C for 5 hours. As the corrosive agent a mix of blast furnace slag and pig iron was used (80 slag 20 pig iron for slag attack test). Table 2 presents the chemical composi-tion of the blast furnace slag used in
Get Price
Right-refractories
Right Refractories Private Limited is one of the quality manufacturer of refractory Monolithic in India for different steel plants power plants and other Industries.RRPL has mainly concentrated on refractory monolithic products since beginning. The company executed many contracts with steel iron makers power plant and others.
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Blast furnace tapping practice at ArcelorMittal South
Furnace Tapping Conference 2014 P.G. Geyer and Z. Halifa 97 Blast furnace tapping practice at ArcelorMittal South Africa Vanderbijlpark Works P.G. Geyer and Z. Halifa ArcelorMittal South Africa Tapping a blast furnace is necessary not only to deliver the product but is also essential for the safety of the furnace and workers in the cast-house.
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High temperature mechanical characterisation of an alumina
High temperature mechanical characterisation of an alumina refractory concrete for Blast Furnace main trough Part I. General context November 2008 Journal of the European Ceramic Society 28(15
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