Commercial Wood Pellet Mill

Tianjin Mikim Technique Co., Ltd. is one of the most experienced manufacturers and suppliers of commercial wood pellet mill in China. If you're going to buy cheap commercial wood pellet mill made in China, welcome to get more information from our factory. All our products are with high quality and low price.

From the principle of granulation you should understand that the first reason affecting the excessive powder of wood chip pellet machine pellets to consider is the raw material. Formed fuel after cooling down, the strength increases, you can get the combustion performance similar to wood, rod, block, granular biomass solid forming fuel. Crushed raw material particle size determines the surface area of the material composition, the finer the particle size, the larger the surface area, the faster the material absorbs the moisture in the steam, which is conducive to material conditioning, but also easy to granulation forming. From the granulation point of view, crushing fine, granulation strength is high, but add more steam, a little attention is easy to plug the machine, and crushed raw materials too fine, resulting in crushing power consumption is too high. Particle size is too coarse, increasing the wear and tear of the ring die and pressure roller, granulation forming difficulties, especially the small aperture ring die forming more difficult, and cause poor material paste effect, resulting in high material consumption, low yield, high particle powder rate. Therefore, the crushing should be used 0.6-0.8 sieve plate, not only to avoid the disadvantages of too fine particle size, but also to ensure that the size of the material, to help reduce the rate of powder particles. In addition, we should pay attention to the uniformity of mixing before granulation, to lay a good foundation for the granulation process later.

The above is to solve the problem of raw material size, there is a raw material moisture problem is also very important, granulation moisture must be in 13-20%, is the most ideal granulation moisture, when the moisture exceeds 20%, the material is easy to slip between the inner wall of the ring die and the pressure roller, and even can not press the granules, reducing the granulation yield. If the moisture is lower than 12%, the material and machine friction is intense, reducing the granulation yield, there will be a large number of unshaped powder mixed in the particles.

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