... , crop straw, wood branches, rice hull, bamboo sawdust, peanut shell, sunflower shell, furfural dregs, cotton stalks, corn stalks, sesame straw, corncob and ... briquette machine has been improved greatly6. These charcoal bars can replace coals for producing and living, and the thermal efficiency is ... Ø 60,70Ø 70,80Ø80,90charcoal briquette machine working flowchart Shell charcoal briquette machine