Anthracite

Taw qhia:

Anthracite thee, feem ntau hu ua dawb thee lossis liab thee. Nws yog cov thee uas muaj qib siab tshaj ntawm coalification

 

Nta:

Anthracite thee muaj cov ntsiab lus siab ruaj khov, tsis tshua muaj teeb meem tawm los, siab ceev, siab hardness, siab ignition point, thiab tsis emit pa taws thaum combustion. Dub yog ib qho nyuaj thiab muaj ib tug metallic luster. Kev txhuam nrog roj yuav tsis ua rau muaj kab mob, thiab qhov tawg yuav ua rau lub plhaub zoo li cov duab. Thaum kub hnyiab, nplaim taws luv luv thiab tsis muaj pa taws. Tsis muaj coking. Cov ntsiab lus carbon feem ntau yog siab dua 90%, thiab cov teeb meem tsis haum xeeb yog qis dua 10%. Tsis muaj glial txheej thickness. Tus nqi calorific yog kwv yees li 6000-6500 kcal/kg.

 

Kev siv:

Anthracite thee muaj cov ntsiab lus siab ruaj khov, tsis tshua muaj teeb meem tawm los, siab ceev, siab hardness, siab ignition point, thiab tsis emit pa taws thaum combustion. Dub yog ib qho nyuaj thiab muaj ib tug metallic luster. Kev txhuam nrog roj yuav tsis ua rau muaj kab mob, thiab qhov tawg yuav ua rau lub plhaub zoo li cov duab. Thaum kub hnyiab, nplaim taws luv luv thiab tsis muaj pa taws. Tsis muaj coking. Cov ntsiab lus carbon feem ntau yog siab dua 90%, thiab cov teeb meem tsis haum xeeb yog qis dua 10%. Tsis muaj glial txheej thickness. Tus nqi calorific yog kwv yees li 6000-6500 kcal/kg.