Determination of volatile matter in samples

Details Determination of volatile matter in samples Determination of volatile matter in samples

1998-10-13

2000-06-13

Ferensic, Denise L.

Heating

Work chamber having heating means

Crucible or pot heating furnace

432121, 432210, 432262, 373118, F27B 1400

Patent

active

060742054

ABSTRACT:
A coal/coke sample is heated under controlled circumstances as a step in determining content of volatile matter. The sample is placed in a crucible having a lid and which is suspended by means of a crucible holder in a heating cavity of a furnace. The invention provides precisely, mechanically guiding the crucible holder and crucible into and out of the cavity to prevent inadvertent touching of the cavity wall by the crucible and thus also to prevent possible dislodging of the lid and spoiling of the sample. The crucible holder is secured to a lid of the furnace, and the furnace lid is guided along upwardly extending guide rods. Lifting and lowering of the lid may be manually. Instead, it may be hydraulically or pneumatically.

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