BS ISO 13930:2015:2018 Edition
$102.76
Iron ores for blast furnace feedstocks. Determination of low-temperature reduction-disintegration indices by dynamic method
| Published By | Publication Date | Number of Pages |
| BSI | 2018 | 18 |
This International Standard specifies a method to provide a relative measure for evaluating the degree of size degradation of iron ores when reduced under conditions resembling those prevailing in the low-temperature reduction zone of the blast furnace.
This International Standard is applicable to lump ores and hot-bonded pellets.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 6 | Foreword |
| 7 | Introduction |
| 8 | 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Sampling, sample preparation and preparation of test portions 5.1 Sampling and sample preparation |
| 9 | 5.2 Preparation of test portion 6 Apparatus |
| 10 | 7 Test conditions 7.1 General 7.2 Reducing gas 7.2.1 Composition 7.2.2 Purity 7.2.3 Flow rate 7.3 Heating and cooling gas 7.4 Temperature of the test portion |
| 11 | 8 Procedure 8.1 Number of determinations for the test 8.2 Reduction 8.3 Sieving 9 Expression of results 9.1 Calculation of the low-temperature disintegration indices (LTD+6,3, LTD-3,15 and LTD-0,5) |
| 12 | 9.2 Repeatability and acceptance of test results 10 Test report |
| 13 | 11 Verification |
| 16 | Annex A (normative) Flowsheet of the procedure for the acceptance of test results |
