... , 100% natural ensured. 5.The higher density, the higher heating value, the biomass briquettes calorific value is up to 30004000 ... briquettes are widely used in boilers, refractory, chemicals, home heating, etc. They become more and more popular as fuel all ... The main parts include forming mould, propeller, inner sleeve and heating circle. Dingsheng biomass briquette press can be operated 24 hours a ...