Overview of biomass pellet market

Biomass pellet mill can be used to process agricultural and forestry processing waste like sawdust, straw, rice husk, barks and other biomass plant as raw materials. Through the pretreatment and processing, it can be solidified as high density pellet fuel which is an ideal fuel to replace of coal and oil. It can not only save the energy but also reduce the emission, which has good economic benefits and social benefits. Biomass pellet fuel is high efficient and clean renewal energy.



Advantages of biomass pellet fuel:
1. Biomass pellet fuel is to make use of crops like corn straw, wheat straw hood, rice straw, peanut shell, corn cob, cotton rod, soybean pole, weeds, branch, leaf, sawdust, barks and other solid waste as materials. Through the process of crushing, pressing, densifying, pellet making, it becomes the solid pellet fuel with the rodlets shape. Pellet fuels are made form the sawdust, straw and other materials to compress by the compression rollers and ring die under the room temperature conditions. The density is usually about 130 kg/m3 and the density of pellet after the process is over 1100 kg/m3, which are easy to transport and store and greatly improve the feature of consumption at the same time.

2. Technology process
Collecting raw materials→crushing materials→drying→pelleting→package and sale
According to different harvest time of crops, it is necessary to collect and store the large amount of raw materials and make pellet after crushing process. During pelleting, it should be notable that the pellets can not be packaged after pelleting. Due to the principle of expanding with heat and contracting with cold, the pellets should be cooled for 40 minutes and be packaged and transport.

3. Features of wood fuels: the pellets fuels after pelleting process has big density, small volume and combustion resistance which are easy to store and transport. The size after pelleting is 1/30-40 of the original size of the materials and the density is 10-15 times of the raw material (density: 0.8-1.4). And the calorific value is 3400-6000 kcal, which is a kind of solid fuel with more volatile.

Usage of biomass pellet fuel
Room heating and energy for daily life: high utilization of fuel and easy to store
Biomass industry boiler: as the primary fuel for the industry boiler, it can replace of the coal to resolve the problem of air pollution
Power generation: it can be used as fuel for the thermal power generation

At present the retail price for small package of pellet fuel in the US market is 170＄/ton. In china, the pellet fuel market is still not mutual. In Guangdong province, the trade price for wood pellet fuel is about 750-850￥/ton, the price for it in Dalian is about 700-750￥/ton and the price for straw pellet fuel is about 430-600￥/ton. In Beijing, the price for it is about 650￥/ton. Before 2010, the development projects of biomass pellet fuels of NDRC has point out that demonstrational site of biomass pellet fuel has been built which combined with the resolve of the basic energy requirement in rural and changing the way of energy utilization in rural areas, and the pellet fuel consumption is about 500, 0000 ton per year to replace of 300, 0000 ton coal. Until 2020, the biomass pellet fuel has become a high quality fuel which has widely utilization scope. The annual consumption of pellet fuel is about 5000, 0000ton, which replaced of 3000, 0000 ton coal fuels. With the development of the comprehensive management of energy and environment in our country, the biomass pellet boilers have been widely used in the luxury villas and houses large and medium-sized cities. In the near future, this convenient, energy saving and pollution-free green energy would become a short supply commodities in the supermarket and chain store.
 

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