... , heating furnace, hot water boilers, industrial boilers, etc. The product of this machine can be used to heat boiler, fireplace, etc. for ... straw fuel briquette machine:1). Length of raw materials: 2-90mm2). Moisture content of raw materials: 5-30%3). Product shape: diameter ... 6~60mm4). Product density : 0.9-1.4 g/cm3 5). Calorie :3500-5500 kcalAdvantages of straw fuel briquette machine:1. High ...