COAL REFORMING METHOD AND COAL REFORMING APPARATUS

摘要

A coal reforming method includes: drying; performing carbonizing; and cooling. (1) In the drying, coal is classified into coarse coal and fine coal while being dried, and heat obtained by burning at least a portion of the fine coal and at least a portion of the carbonizing gas is used as a heat source during the drying or the carbonizing. (2) In the cooling, the char is classified while being cooled to separate fine char from the char, and heat obtained by burning at least a portion of the fine char and at least a portion of the carbonizing gas is used as a heat source during the drying or the carbonizing. At least any one of (1) and (2) is performed.

主权项

1. A coal reforming method comprising:
classifying coal into coarse coal and fine coal while drying the coal in a fluidized bed drying and classifying device; performing carbonizing on the coarse coal by a carbonizing device to be reformed into carbonizing gas and char; and supplying heat obtained by supplying at least a portion of the carbonizing gas, or an external fuel; and at least a portion of the fine coal to a combustor and burning the portions, to at least any one of the fluidized bed drying and classifying device and the carbonizing device as a heat source.