This Standard specifies the test methods for coal and gangue argillation.
This Standard is applicable to bituminous coal, anthracite coal, lignitous coal, stone coal and associated mineral.
2 Normative References
The following standards contain provisions which, through reference in this Standard, constitute provisions of this Standard. At the time of publication, all the editions listed are valid. All the standards will be revised, and the Parties applying this Standard shall discuss the possibility of using the latest edition of the following standards.
GB 211 - 91 Determination of Total Moisture in Coal
GB 477 - 87 Method for Size Analysis of Coal
GB 6003- 85 Test Sieves
GB 6004 - 85 Test Sieves Woven Metal Wire Cloth (Square Opening Series)
GB 6005 - 85 Test Sieves - Metal Wire Cloth, Perforated Metal Plate and Electroformed Sheet - Nominal Sizes of Opening
GB 7186 - 87 Coal Dressing Glossary
MT 190 - 88 Test Methods for Coal Slurry Settlement in Coal Dressing Plant
3 Rotating Drum Method
3.1 Main points of methods
Place sample and water into drum and roll them for a while, then determine its degree of pulverization and the characteristics of generated fine particles and observe the characteristics of coal slurry simultaneously.