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Fossil coal
combustible sedimentary rock of organic (plant) origin, consisting of carbon, hydrogen, oxygen, nitrogen and other minor components
Specifications
- Coal grades:
- Long-flame coal (L)
- Gas coal (G)
- Fat coal (F)
- Coking coal (K)
- Skinny-Caking Coal (OS)
- Lean coal (T)
- Anthracite (A)
- Сlassification:
- genetic, industrial and industrial-genetic.
Anthracite is mainly used as an industrial fuel for thermal power plants and enterprises. It is also suitable for domestic boilers. But the firebox in this case should be of a large volume, equipped with a blower. Sometimes coals of grade D (long-flame) and DG (long-flame gas) are used to ignite anthracite.