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norm of softening melting range of sinter

SINTERING PROCESS The major advantages of using sinter in BFs are Use of iron ore fines, coke breeze, metallurgical wastes, lime, dolomite for hot metal production Better reducibility and other high temperature properties Increased BF productivity due to higher softening temperature and lower softening -melting temperature range...

Lump Ore and Sinter Behaviour during Softening and Melting

Ore B followed by Ore A and then Ore C The fluxed sinter results for the full temperature range are very similar to that of Ore C Sinter is the most porous of the four materials; in Table 1 Test conditions used in a softening melting test Items Details Sample bed diameter 60 mm...

Fundamental Study of High Al2O3 Sinter Softening and ,

Abstract To elucidate the influence of high Al 2 O 3 content on sinter softening and melting behavior, heating-up reduction test under load was carried out In addition, microstructure study of sinter bed structure change at a different temperature was also made and the mechanism that the effect of Al 2 O 3 content on sinter softening and melting property was discovered...

030301 Sinter plants - European Commission

Sinter plants 73 030301 Sinter plants Process description By sintering, the pelletisation of fine-grained, smeltable ores, iron ore in particular, to compact lumps by heating nearly to the melting or softening point is understood Melting tendencies at the grain boundaries lead to a caking of the material...

JP4077668B2 - Sinter with excellent softening and melting ,

Sinter with excellent softening and melting properties Download PDF Info , JP 2002183450 A JP2002183450 A JP 2002183450A JP 4077668 B2 JP4077668 B2 JP 4077668B2 Authority JP Japan Prior art keywords sintered softening powder limestone coke Prior art date 2002-06-24 Legal status (The legal status is an assumption and is not a legal conclusion...

Estimation of Softening and melting behaviour of iron ,

The basic purpose of the softening-melting test is to evaluate the softening-melting characteristics of iron ore and sinter sample taken in a small cylindrical graphite crucible by simulating the physical and chemical conditions in the shaft till the cohesive zone of blast furnace...

Softening and Melting Behaviour of Sinter and Pellets ,

Synopsis: To evaluate high temperature properties of blast furnace burdens, a series of reduction under load tests were carried out under simulated blast furnace conditions, using sinter, self—fluxing pellets, and acid pellets To investigate the softening and melting mechanism,structural analyses were conducted on those samples recovered after interrupting the test...

Theory and Practice of Sintering of Iron ore – IspatGuru

25-11-2018· The softening-melting range has been defined as the temperature range between the point of reversal (T1 softening) and 10 % contraction (T2 melting) It has been noticed that the behaviour of BF improves (lower and narrower cohesive zone) as the sinter/ore ratio in ,...

JP4077668B2 - Sinter with excellent softening and melting ,

Sinter with excellent softening and melting properties Download PDF Info , JP 2002183450 A JP2002183450 A JP 2002183450A JP 4077668 B2 JP4077668 B2 JP 4077668B2 Authority JP Japan Prior art keywords sintered softening powder limestone coke Prior art date 2002-06-24 Legal status (The legal status is an assumption and is not a legal conclusion...

Effect and function mechanism of sinter basicity on ,

【摘要】:The effect of sinter basicity on softening-melting behaviors of mixed burden made from chromium-bearing vanadium-titanium magnetite(Cr-V-Ti magnetite) was investigated and the function mechanism was simultaneously analyzedThe results show that with increasing sinter basicity from 171 to 236,the softening interval tends to increase from 1493 ℃ to 1817 ℃while the melting ....

Effect and function mechanism of sinter basicity on ,

Abstract: The effect of sinter basicity on softening-melting behaviors of mixed burden made from chromium-bearing vanadium-titanium magnetite (Cr-V-Ti magnetite) was investigated and the function mechanism was simultaneously analyzed The results show that with increasing sinter basicity from 171 to 236, the softening interval tends to increase from 1493 °C to 1817 °C while the melting ....

JP4077668B2 - Sinter with excellent softening and melting ,

Sinter with excellent softening and melting properties Download PDF Info , JP 2002183450 A JP2002183450 A JP 2002183450A JP 4077668 B2 JP4077668 B2 JP 4077668B2 Authority JP Japan Prior art keywords sintered softening powder limestone coke Prior art date 2002-06-24 Legal status (The legal status is an assumption and is not a legal conclusion...

Alumina : sintering and optical properties

Consequences are an extremely low vapour pressure and a high melting point (2045 °C) The deviation from the stoichiometric composition of alumina at normal atmospheric conditi(ms is < 5 x 10'$ even at 1600 °c ~) Alumina has a unique combination of useful electrical, mechanical and chemical jJroperti...

Interaction between basic sinter and Newman blend lump ,

Title Interaction between basic sinter and Newman blend lump during the softening and melting process Creator Liu, Xinliang; Honeyands, Tom; O'Dea, ,...

(PDF) Study of Softening and Melting Behaviour of Iron Ore ,

Softening and melting behaviour of the iron ore materials was studied towards understanding the mechanism of formation of liquid slag and metal phases in the pre-reduced sinter and pellets...

Standard Test Method for Softening Point of Bitumen (Ring ,

defined melting points; they gradually become softer and less viscous as the temperature ris For this reason, softening points must be determined by an arbitrary and closely defined method if results are to be reproducible 42 The softening point is useful in the classification of bitumens, as one element in establishing the uniformity of...

030301 Sinter plants - European Commission

Sinter plants 73 030301 Sinter plants Process description By sintering, the pelletisation of fine-grained, smeltable ores, iron ore in particular, to compact lumps by heating nearly to the melting or softening point is understood Melting tendencies at the grain boundaries lead to a caking of the material...

Softening-melting properties of Indian iron ore and ,

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New techniques to measure softening and melting properties ,

Title New techniques to measure softening and melting properties of mixed burdens of lump ore and sinter Creator Liu, Xinliang; Honeyands, Tom; O'Dea, Damien; Li, Guowei...

Impact of Sinter Basicity and Alumina on Softening Melting ,

26-11-2019· Softening–melting (SM) experiments have been carried out by using sinter basicity (CaO/SiO2) 174 to 209 and alumina content 290 to 339% The objective of the work is to find the relation between sinter basicity and alumina on SM temperature range, so that we can improve the furnace performance The increase in basicity of sinter from 174 to 209 at alumina 290 decreases ,...

Softening-melting properties of Indian iron ore and ,

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Theory and Practice of Sintering of Iron ore – IspatGuru

25-11-2018· The softening-melting range has been defined as the temperature range between the point of reversal (T1 softening) and 10 % contraction (T2 melting) It has been noticed that the behaviour of BF improves (lower and narrower cohesive zone) as the sinter/ore ratio in ,...

Softening and Melting Behaviour of Sinter and Pellets

Softening and Melting Behaviour of Sinter and Pellets Hirohisa HOTTA, Yojiro YAMAOKA Author information , along the expanding direction of the low melting temperature range with heating 2) The difference in softening and melting behaviour of these burden materials is directly due to the quantity of molten slag formed in the slag ....

Lump Ore and Sinter Behavior during Softening and Melting

Sinter is stronger at softening and melting than pellets and ore, but worse at meltdown and high-temperature gas resistance, resulting in a 65 per cent mixed burden Sinter, 20 per cent lump ores ....

Estimation of Softening and melting behaviour of iron ,

The basic purpose of the softening-melting test is to evaluate the softening-melting characteristics of iron ore and sinter sample taken in a small cylindrical graphite crucible by simulating the physical and chemical conditions in the shaft till the cohesive zone of blast furnace...

Softening and melting properties of different burden ,

The softening and melting properties of pellet burden structure were improved when the high basicity sinter was added into the acid pellet forming mixed burden The softening and melting properties of mixed burden with a pellet ratio of 3365% were better than other burden structur The initial softening temperature, the temperature interval ....

Softening-melting properties of Indian iron ore and ,

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norm of softening melting range of sinter

2014-5-14 DETERMINING THE SOFTENING RANGE OF BURDEN MATERIALS FOR THE BLAST FURNACE Wojciech ŚLĘZAK, Marta KOROLCZUK-HEJNAK, Piotr MIGAS, Mirosław KARBOWNICZEK The conducted tests revealed that the softening range for pellets was 50 °C, whereas for sinter it was about O’DEA DP, Lump ore and sinter behaviour during softening and melting...

030301 Sinter plants - European Commission

Sinter plants 73 030301 Sinter plants Process description By sintering, the pelletisation of fine-grained, smeltable ores, iron ore in particular, to compact lumps by heating nearly to the melting or softening point is understood Melting tendencies at the grain boundaries lead to a caking of the material...

Study of Softening and Melting Behaviour of Iron Ore ,

06-06-2012· High Temperature Materials and Process Editor-in-Chief: Fukuyama, Hiroyuki...