Briquette fuel is a kind of clean energy which is processed from biomass raw materials by briquette machine. In recent years, with the promotion of environmental protection policy and the growth of market demand, it has gradually become the focus of investors’ attention. There are some diffe…

We call the distance between the two screw teeth the screw pitch. The tooth diameter of the head screw tooth and the second tooth increases in taper direction, while between the third tooth and the ninth tooth, it has equivalent width and height, the effect of which is merely conveying materials f…