10,000 tons/year large-scale sawdust rice husk pellet machine production line project, that is, 4t/h rice husk sawdust biomass pellet production line project. Only one is calculated based on annual output, and one is calculated based on hourly output. The project's raw materials are also very abundant, including wood chips, rice husks, branches, leftovers and waste. Of course, such a large-scale project requires a lot of equipment, among which the host equipment includes a grinder, a crusher, a biomass pellet machine, a drum dryer, and a belt conveyor.
10,000 Tons/year Large-scale Sawdust Rice Husk Pellet Machine Production Line Project
Biomass solidified compact molding fuel uses wood chips, rice husks, etc. as raw materials. After pressurized molding, the volume decreases exponentially, the combustion is fierce, the combustion time is long, the amount of combustion pollutants is small, and the residue after combustion is still used to produce potash fertilizer The raw materials are basically free of residue. The product of the project is a solid briquette with an annual output of about 10,000 tons and a diameter of about 12mm.
The project covers an area of 5000m2, with a total construction area of 1500m2. The main construction content includes production workshop, warehouse workshop, raw material storage yard, and office area. The main structures of the project are shown in Table 1, and the main equipment of the project is shown in Table 2.
Table 1 List of project composition
|Serial number||Types of||name||scale||unit||Remarks|
|1||structural work||Production workshop||900||m2||Frame structure, 1 room||Built|
|2||warehouse||600||m2||Metal frame structure, fully enclosed||Built|
|3||Raw material storage yard||1500||m2||Semi-open frame structure, equipped with wind and rain shelter||Built|
|4||Auxiliary engineering||Workspace||30||m2||Brick structure||Built|
|5||Public works||powered by||/||/||Township grid access|
|6||Water supply||/||/||Township water supply network connection|
|7||drain||/||/||The sewage of the project is treated in a tertiary septic tank and used as agricultural fertilizer without being discharged|
|8||Environmental Engineering||Waste water||Three-stage septic tank||/||/||After being treated by a tertiary septic tank, it is used as fertilizer for surrounding farmland and vegetable fields|
|9||Exhaust||/||/||/||Crushing: cyclone + cloth bag dust removal, unorganized discharge; drying furnace: cyclone plus cloth bag + 15m exhaust cylinder discharge; granulation: cloth bag dust removal, unorganized discharge.|
|10||noise||/||/||/||Choose low-noise equipment, install vibration isolation pads on main production equipment, strengthen management, and arrange work time rationally, etc.|
|11||Solid waste||Garbage collection bin, general solid waste temporary storage room (50m 2 )|
Table 2 List of main facilities and equipment of the project
|Serial number||Equipment name||Quantity (unit)||Remarks|
|1||grinder||1 set||1000 type|
|2||Crusher||1 set||1000 type|
|5||Belt conveyors||1 set|
Consumption of raw and auxiliary materials
Table 3 List of raw and auxiliary materials of the project
|Serial number||Material name||source||Dosage|
|1||Sawdust||Nearby towns||2,000 t/a|
|2||Rice Husk||Nearby towns||5 million t/a|
|3||Branches||Nearby towns||2,000 t/a|
|4||Leftovers||Nearby towns||3 million t/a|
|5||Waste material||Nearby towns||2,000 t/a|
|The moisture content of the raw materials is 38%, and the raw materials cannot use paint plates and formaldehyde-containing plates.|
Table 4 Project material balance table unit: t/a
|Order No.||Invest in||output|
|name||Quantity t||name||Quantity t|
|1||Sawdust||2000||product||Biomass pellet fuel||10000|
|Note: The moisture content of raw materials is 38.55%, and the moisture content of products is 10%.|
Table 5 List of project energy consumption
|Serial number||Energy name||source||Annual consumption||Remarks|
|1||Electricity||Township power supply line||6,000 degrees||/|
|2||water||Township water supply network||90t||Only the staff's domestic water, no production water|
|3||Biomass fuel||Production of this project||100t||Water content 10%|
(1) Crushing: Due to the large size of various types of raw materials, they need to be crushed to 600mm by a crusher, and then directly transported to the airtight molding machine to be directly pressed into shape by pressure. This process generates dust G1 and noise N.
(2) Drying: Because the moisture in the raw materials may not meet the production requirements, the raw materials need to be dried. The drying process of this project uses biomass pellet fuel as energy. This process produces particulate matter, SO2, and NOXG2.
(3) Press molding: The dried straw material and saw foam are fed into the biomass pellet machine in a certain proportion, and compressed into the pellet shape in the pellet machine without any additives. The pellet machine is sealed. This process produces noise.
biomass pellet machine
(4) Packing and storage: the qualified finished products produced are bagged and weighed, then packed, and stored in storage.
Labor quota: The project has a labor quota of 6 people, none of whom live in the factory. The production shift is a one-shift system with 8 hours of work per shift and 300 days of work per year.
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