Optimization of Firing Temperature for Hematite Pellets

The physical and metallurgical properties like tumbler index (TI), cold crushing strength (CCS), reduction degrada-tion index (RDI) and reducibility of iron ore pellet influence the performance of corex and blast furnace iron making units. The heat hardening by oxidation is a process com-monly used in iron ore pelletization process. The pellets are

tumbler test iron ore - BINQ Mining

What is tumbler index of Iron ore – The Q&A wiki. This is a mechanical test conducted of iron oxide pellets to assess the mechanical impact on pellets during transportation through sea. 1. Introduction. – :: Energiron :: tumbler index and lower than 5% for the abrasion index are considered …. This test simulates the effect of iron ore ...

IS 6495 (1984): Method of Tumbler Test for Iron Oxides ...

1.1 This standard prescribes the method of tumbler test for the deter- mination of resistance of iron oxides: lump ore, sinter and pellets to degradation by impact and abrasion. *Rules for rounding off numerical values ( rtwised ). 3

Iron Ore Pellet - an overview | ScienceDirect Topics

D. Zhu, in Iron Ore, 2015. 16.3.1.1 Background. In a DR process, iron ore pellets and/or lump iron ores are reduced by a reducing gas to produce DRI or hot briquetted iron (HBI). Depending on the generation of the reducing gas, two different DR processes are commercially available: gas …

Tumbler Buyers, Buying Leads, Tumbler Importers - EC21

We Buy Iron ore Pellets. 30 Aug, 2017. % max Abrasion Index Min 2.5 % and max 3.5 % Tumbler Index 95.00 % average CCS Average 250-300/kg pellet, reject if 1% below 150Kg/pellet Porosity 20 Min B. Physical Properties Size: 8 - 16 mm 95 % Min Below 8 mm 3 % Max; Above 16 mm 2 % Please let me know asap Best regards Justin.

Iron Ore Testing Apparartus - Salvin Instruments

Pellet Volume Measurement/Swelling Index apparatus. Standard : ISO: 4698:2007. Capacity : Determination of Free Swelling Index of Iron Ore Pellets of Blast Furnace. Application : Iron Ore Pellets, Hot-Bonded Pellets. Hot Shatter Apparatus.

Tumbler Systems TB 7000, TB 5000, TB 3000 - RB …

General description. Tumbler Systems are able to mechanically test samples of coke, coal, iron ore, iron ore pellets according to several standards.. These systems are electro-mechanical units where the sample is placed to be tumbled at specific revolution speed for a …

Study and Implementation of Quality Improvement …

Keywords: Abrasion Index, Porosity, Tumbler Index, Blaine Number I. INTRODUCTION Iron orepelletization is a process of agglomerating iron ore concentrate produced by benefi ciating low grade iron ore. Looking at the current scenario of iron ore availability in India, pellets are expected to replace iron ore lumps in the long run.

CharacterisationofthePhysicalandMetallurgicalProperties ...

especially iron ore. In this study, tests were carried out on Muko iron ore from Uganda to analyse its suitability to meet the feed requirements of today's dominant iron production methods. More specifically, the Tumbler, Abrasion, and Shatter Indices of the ore were determined.

Tumbler Index - Study of Reduction Behaviour Of Iron …

The Tumbler Index is a relative measure of the resistance of the material to breakage or degradation by impact. (ii) Abrasion Index: It is a relative measure the degradation of iron ore by abrasion. The Tumbler Index and Aibrasion Index are determined in a …

CHARACTERIZATION OF PROPERTIES AND REDUCTION …

higher values of tumbler index in all the iron ore lumps except Serazuddin (previous) and Khanda Bandha OMC Ltd.. For all the fired iron ore pellets, the degree of reduction in coal was more intense in the first 30 minutes after which it became small. Slow heating led to higher degree of reduction in fired pellets than rapid heating. All the iron

Ardent Steel

Iron Ore Pellet for Export Sales: Particulars Chemical (On Dry Basis) Grade % Tolerance: Fe: 64: Minimum: SiO2: 4.25: Maximum: Al2O3: 3.25: Maximum: Phosphorus: 0.05 ...

agglomerated iron ore crusher

Agglomerated Iron Ore Crusher. · Iron Ore Pelletizing Tumbler Index. iron ore pellet tumbler index jolitchconstruction. Iron ore pellet is a type of agglomerated iron ore fines which has better tumbler index when compared with that of parent iron ore and can be cheap as a substitute of lump ore for the production of direct reduced iron DRI and in blast furnaces for the production .

cold compression strength ccs of iron ore pellets

Iron ore pellets – IspatGuru. 28.12.2013 The term iron ore pellets refers to the thermally agglomerated substance formed by heating a variable mixture of iron ore, limestone, olivine, bentonite, dolomite and miscellaneous iron bearing materials in the range of 1250 deg C to 1350 deg C. Iron ore pellets are normally produced in two types of grades namely DRI grade and BF grade.

Steel Pellets Manufacturer in Kolkata, Iron Pellets ...

Pellets are a type of agglomerated iron ore fines which has better tumbler index when compared with that of parent iron ore and can be used as a substitute of lump ore for the production of sponge iron and in blast furnaces for the production of hot metal. The iron pellets are produced with cold crushing strength (CCS) of 210+ and porosity of ...

Briquetting of Iron Bearing Materials

3.3 Tumbler Index and Abrasion Index 19 3.4 Reduction Test 20 3.5 Swelling index 21 . 6 ... The production of iron ore fines occurs at the early stages of processes in the integrated steel ... Sintering is done in Dwight-Lloyd machine. In this process, a mixture of iron bearing

Optimum Pellet Basicity Desirable for Blast Furnace ...

The stability of blast furnace process depends upon the quality of raw materials charged into the furnace. Among iron-bearing materials, pellets are an important feed material for the blast furnace operation. However, pellets exhibit swelling inside the blast furnace due to the high temperature inside the furnace, which causes dissociation of pellets and if swelling index is not controlled ...

IS 11092 (2001): Iron Ore Pellets for Direct Reduction ...

10 TUMBLER INDEX Tumbler index of iron ore pellets shall be 92 percent Min on + 6.3 mm and 6 percent Max on -0.500 mm when determined in accordance with IS 6495. 11 SAMPLING Representative samples of iron ore pellets shall be drawn according to the scheme of sampling given in IS 9101. Reduction Degradation Index (RDI), Thermal

Iron Ore Pellets Demand to Surpass 399 Mn Tons in 2021 as ...

Iron ore pellet is a type of agglomerated iron ore fines which has better tumbler index as compared to that of parent ore. It can also be used as substitute of lump ore for the production of ...

GSJ: Volume 8, Issue 5, May 2020, Online: ISSN 2320-9186

Advantages of Pellets. Iron ore pellet is a kind of agglomerated fines which has better tumbling index when compared with the iron ore and it can be used as a substitute for the same both in the blast furnace and for DRI production (Sharma . et al., 2010; . i. Pellets have good reducibility since they have high porosity (25-30%). Normally pellets

SINTERING AND PELLETISATION OF INDIAN IRON ORES

8 mm. HPS feed consists of iron ore as pellet feed fines, return fines and iron and steel work remnants, filter dust, additives and binders like limestone, dolomite, bentonite and coal dust. These micro pellets are fed onto a sinter machine to produce sinter cake, which is …

Influence of Pellet Basicity (CaO/SiO2) on Iron Ore Pellet ...

tion (basicity) on iron ore pellets microstructural, physical and metallurgical properties basket trials have been carried out with different level of basicity from 0.08 to 1.15. From the test result it was clear that pel-let properties were influenced by the bonding phases …

Pellets - HIRA - Godawari Power & Ispat Limited

Pellets Manufacturing high quality pellet with low phosphorous 2.1 MTP from GPIL Siltara, 0.6 MTPA from Ardent Steel Ltd a subsidiary of Godawari Power & Ispat Limited. A collective genius to deliver innovation solution, tailored to unique needs backed by our proprietary tools, established methodologies and experienced professional aided us into product integration in the …

PAPER OPEN ACCESS,QYHVWLJDWLRQRI%DOOLQJ ...

For this study iron ore concentrates were obtained from National Iron Ore Mining Company at Itakpe, Kogi ... Universal Testing Machine (INSTRON Corp., model 1011 UK) System. ... between 6mm and 10mm were selected from oven dried pellet into a well-sealed Tumbler Index cylinder or drum. Then the drum was rotated at 20 rpm for 5 minutes. The ...

What is tumbler index of Iron ore? - Answers

What is tumbler index of Iron ore? Wiki User. ∙ 11:34:42. See Answer. Best Answer. Copy. This is a mechanical test conducted of iron oxide pellets to …

Characterisation of the Physical and Metallurgical ...

The limit values of the Tumble Index (TI) and Abrasion Index (AI) for the iron ore pellets used in furnace reduction process are >70 wt% for the TI value and <5 wt% for the AI value . It follows from Table 1 that the TI values of Muko ores are between 88 wt% and 93 wt%, which is significantly higher than the stipulated 70 wt%.

Cold Crushing Strength Of Iron Ore Pellets

Iron ore pellet is a type of agglomerated iron ore fines which has better tumbler index when compared with that of parent iron ore and can be used as a substitute of lump ore for the production of direct cold crushing strength of pellets found to increase with increasing firing temperature.

Ti - 01a Tumbler Index Test Apparatus For Iron Ore Pellets ...

Precision Robotics & Automation - Offering Ti - 01a Tumbler Index Test Apparatus For Iron Ore Pellets, टम्बलर मिक्सर at Rs 1700000/ in Gwalior, Madhya Pradesh. Get best price and read about company. Get contact details and address| ID: 7345599273

Investigation of Balling Characteristics of Mixture of ...

It was found that Drop number as high as 7.8 times, Green compression strength and Dry compression strength up to 11.7 N/pellet and 25.99 N/pellet respectively were attained by some of the pellets. The Tumbler and Abrasion indices recorded were up to above 95% and 5% respectively. These values are higher than the minimum recommended.

TUMBLER-INDEX-TESTER

Determination of resistance of iron ore pellets to breakage or degradation by impact and abrasion. The PRECISION's, TI01B Tumbler Tester for iron oxide lump cores, sinters, and pellets consists of a cylindrical drum constructed of mild steel plate. The two …

Chemical, physical, thermal, textural and mineralogical ...

The iron ores were found to have excellent physical properties exemplify with tumbler index (82 wt%–91 wt%), abrasion index (1.27wt%–4.87 wt%) and shatter index (0.87wt%–1.64 wt%). FTIR and thermal analysis were performed to assimilate the analysis interpolations.

Pellet Plant, Pelletizer, Pellet Machine, पेलटाइज़िंग मशीन ...

The pellets are having high grade Fe % (usually above 65%) and the high tumbler index (95+), high porosity, high reducibility and kiln usage time incresed by almost 25-30% more, resulting a high yeild of highly metallized sponge iron. In beneficiation plant, we have developed the technology to upgrade the iron ore to 65+ % fe base.