In today's context of advocating green sustainable development and sustainable energy. Biomass pellets as clean and renewable energy. Biomass pellet mill machine can convert agricultural waste into biomass pellets. From the selection and collection of raw materials to the final realisation of economic benefits. Each step involves a sum of technical, economic and environmental considerations. Biomass pellets are new type of combustion pellets, which have received a lot of attention for their convenient use.
Raw material preparation and collection
The abundance and diversity of biomass resources provide a wide choice of raw materials for pellet production. In areas of lush forest resources, wood waste: wood chips, flakes, twigs, trunks, etc., all of which have high calorific value and good moulding characteristics. If it is with a large area of farming. Then you can use agricultural waste: straw, corn stalks, millet stalks, soybean stalks and other stable raw materials, which are available in large quantities and at low prices. In addition, there are other wastes: peanut shells, edible mushroom residue, urban greening waste, animal faeces and so on. They can be reasonably matched according to the availability of local resources, costs, and material characteristics. Converting waste into high-value biomass pellets not only solves the problem of waste disposal, but also creates economic value.
Raw material crushing
According to the characteristics of different raw materials and the requirements of granulation. Need to choose the appropriate wood crusher to crush the raw material into fine powder. Crushing size and capacity of different equipment varies greatly. Therefore, it is necessary to accurately match the size of the production scale. For wooden raw materials. The drum wood chipper can crush the raw material into small pieces. Then the sawdust crusher is further refined to ensure uniform particle size. Meet the fine requirements of subsequent granulation.
Raw material processing and drying
The raw material is transported to the screening equipment through the conveyor for fine screening. This process can separate the large pieces of wood and other impurities. This ensures the purity of the raw material. The screened material is then dried in a drum dryer or airflow sorter. Biomass pellets have strict requirements on the moisture in the raw materials. The full contact between the material and the hot air will control the moisture content of the raw material within the appropriate range. This facilitates the subsequent pelletising process.
Pellet moulding and cooling
Biomass pellet mill machine is the core equipment of the pellet making process. Under the action of high temperature and high pressure, it can press the dry and finely divided raw materials into cylindrical pellets. The ring die pellet mill has high precision moulds and a stable forming process. It is suitable for large-scale, high-quality pellet production needs. But the cost of equipment and later maintenance is high. Flat die pellet machine results in simple, low investment, easy to use and convenient maintenance. It is suitable for small and medium-sized enterprises or family use. It should be noted that: in the process of producing pellets, we need to control the temperature, pressure, extrusion speed and other parameters through reasonable control. We want to ensure that the density, strength, calorific value and other key indicators of the pellets. Thus producing high quality biomass pellets.
Cooling and Packaging
The temperature of biomass pellets after forming is high, which needs to be cooled quickly to room temperature. On the contrary, biomass pellet deformation, cracking, etc. Cooling machine through the cold air and high temperature pellet full heat exchange. Achieve rapid cooling, so as to ensure the stability of the physical properties of the pellets. Convenient for subsequent transport and storage. Regarding packaging, we use moisture-proof and dust-proof packaging materials. For example: double-layer plastic woven bag or paper bag carton and so on. After cooling the biomass pellets for packaging. Effectively isolate the external environment moisture, dust on the biomass particles.
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