The machine used to make pellets is called a pellet mill or pellet machine. There are two common types of large-scale pellet mills: flat die mills and ring die mills.
Flat die mills use a flat die with slots. The powder or raw materials are introduced to the top of the die, and as the die rotates, a roller presses the powder through the holes in the die. This type of pellet mill is commonly used for small-scale production and has applications in making organic fertilizer pellets, livestock feed production, and wood pellets.
Ring die pellet machines are used to create pellets out of solid biofuel sources. Common materials used in the pellet mill include wood, sawdust, straw, grass, alfalfa, and other biomass sources. This type of pellet mill is more refined and efficient compared to flat die mills. It is commonly used in larger-scale production for making wood pellets.
Pellet machines can also be used to make animal feed pellets. By changing the pelletizing molds and compression ratio, the machine can produce different diameter pellets suitable for poultry feed, cattle feed, fish feed, and other types of animal feed. Additionally, pellet machines can also be used to make bedding pellets for animal stalls from cardboards.
The homemade wood pellet machine is another type of pellet mill that can be used to make pellets. It adopts the latest technology and advanced methods, allowing users to make their own pellets in a more energy-saving and economic way. This small wood pellet mill can process various raw materials into condensed cylindrical pellets, such as gum wood, birch wood, poplar wood, and crop straws. The final pellets produced by this machine have suitable moisture content and hardness, meeting the demands of fuel consumption.
The popularity of wood pellet mills, including homemade wood pellet machines, has been increasing globally. In Europe, wood pellet mills are widely used for biomass pellet production, driven by the increase in fuel prices and government regulations. In countries like Germany, Austria, Italy, and France, pellets are primarily used for small-scale residential or industrial heating purposes. In the UK, there are schemes aimed at promoting the usage of biomass fuels and increasing renewable energy generation. In the US, biomass pellets are mainly imported from European countries known for their reliable quality. Overall, the wood pellet mill industry is experiencing growing popularity worldwide due to the urgent global need for sustainable energy.
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