Charcoal Briquettes Machine Screw

The Charcoal Briquettes Machine Screw, also known as the screw propeller, is a critical wear-resistant component typically forged from high-hardness alloy steel for durability under high pressure and temperature (280-350°C) during the briquetting process. Its advanced design, often featuring a decreasing screw distance, is engineered to grind, compress, and continuously extrude biomass materials, like sawdust with 6-12% moisture, into high-density, typically hollow-centered briquettes without needing an external binder, as the natural lignin is released to bind the material. This essential part requires periodic repair, often through welding with wear-resistant electrodes, to maintain production efficiency and briquette quality.