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Standard Test Method for Fusibility of Coal and Coke Ash
Automaticky preložený názov:
Štandardná skúšobná metóda pre tavnosti uhlia a koksu Ash
NORMA vydaná dňa 1.7.2004
Označenie normy: ASTM D1857-04
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.7.2004
Kód tovaru: NS-18585
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
calibration-coal analysis instrumentation, coal and coal products-coal/coke ash, coke-ash, cone preparation, furnaces, fusibility, heating tests-coal/coke, reducing atmosphere test, sieve analysis-coal/coke, thermocouples, fusibility of coal/coke ash, ICS Number Code 73.040 (Coals)
Significance and Use | ||||
Design of most coal combustion and coal conversion equipment anticipates that the ash either remain solid or assume some degree of fluidity, depending on the particular design. Ash fusibility temperatures predict whether the ash will perform properly in the process for which the coal was chosen. |
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1. Scope | ||||
1.1 This test method covers the observation of the temperatures at which triangular pyramids (cones) prepared from coal and coke ash attain and pass through certain defined stages of fusing and flow when heated at a specified rate in controlled, mildly reducing, and where desired, oxidizing atmospheres. 1.2 The test method is empirical, and strict observance of the requirements and conditions is necessary to obtain reproducible temperatures and enable different laboratories to obtain concordant results. 1.3 The values stated in inch-pound units are to be regarded as the standard. 1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. |
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2. Referenced Documents | ||||
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