Production Line Description
Cotton is the main economic crop, and it occupies about 40% of the global fiber production. The cellulose content is about 87%-90%. The highest production countries of cotton are China, America, India, Pakistan, Egypt, etc. Large production of cotton leaves huge amount of cotton wastes, the main waste is cotton stalks. The stalks are usually 1-2meters, when they are stacked, it will take up a relatively large space.
Abanduant Raw Material
Approximately 80 countries worldwide produce cotton, the U.S., China, and India together provide over half the world’s cotton. Other major producers are Uzbekistan, Pakistan, Brazil, Turkey, Australia, Turkmenistan, Greece, Syria and Egypt.
Cotton stalk pellet machine is developed according to the needs of the market, it is the equipment which takes corn straw, cotton straw, rice straw, sawdust, wood powder, sawdust, peanut shells, rice husk and other agricultural wastes as raw materials to make them into pellet fuel. The finished particles after molding can be used in the fireplace, boiler, gasification furnace and biomass power generation factory. It also can be applied to the low-temperature granulation of biological fertilizer, organic fertilizer, compound fertilizer and so on.
Cotton Stalk Pellet Mill Production Line process
Cotton Stalk Pellets can be produced in small scale by a small-scale pellet machine, and also a large capacity pellet making machine can produce large scale cotton pellets. The manufacturing processes that make cotton stalk pellets include grinding as the initial stage, drying, pelletizing, cooling, sieving, and packaging.
cotton stalk pellet production line flowchart
1. Grinding and Drying of the pellets
This is the first process of cotton stalk pellet production after the cotton harvest is completed. In this process the moisture content on the stalk should not be too low or too high. The proper moistness satisfied is 18% and the minimal level should be 12%. If the moisture content on the stalk is higher than the recommended sawdust dryer can be used to dry the stalks but if moisture content is less than the recommended 18% then there is absolutely no need to go through the drying process. It is very crucial that before the stalks are pelletized the size of the material to be suitable. To crush the stalk into shorter particles the hammer mill is efficient equipment that can be used for the grinding process. And now with the recommended level of moisture in the raw material and the right size the next process of pillarization can take place.
2. Pelletizing and Cooling
This is the second and most important process of the cotton stalk pellet production. Different sizes of machines are used depending on the size of production there is. Larger processing equipment will be used for large quantities of output. There are two different types of fuel pellet machines; the flat die wood pellet mill, which is driven by diesel engine or electric motor and the ring die wood pellet mill. Flat die pellet mill is stress-free to operate and maintain, easy to move from one point to another, is small in size and mostly favored pellet making machine for the lesser scale pelletizing. After the grinding and drying process, the pelletizing process begins with the above named machines. After the material is pelletized they are usually very hot and soft when they leave the pellet machine. Thus it is very important to cool the pellet in the pellet cooler to strengthen and make the pellets durable for the market.
3. Screening and Packaging of the pellets
Now the final stages of making the finest cotton stalk pellets, which are cooled, are passed through a vibrating screen to remove fines. The fines can go through the pelletizing process again and once screened they are ready to be packed and used.
The production of cotton stalk pellets is significant to the farmers as the waste from agricultural produce is turned into a valued product. This improves the economy and offers jobs to the unemployed locals of the community. Producing cotton stalk pellets instead of burning the waste product from the cotton harvest is advantageous because it will prevent burning the waste that causes air pollution, burning will decrease the natural action of the soil which can lead to drop yields and cause soil erosion which is not a good outcome to the farmer.
Cotton stalk is pressed into pellets by a pellet machine
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