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For a long time, RICHI has accumulated rich experience in the pellet production lines construction, and has established cooperative relations with thousands of customers in more than 130 countries and regions, providing complete solutions for animal feed mill plants, aqua feed production lines, wood pellet production line, and agricultural waste biomass pellet production lines, organic fertilizer production line, cat litter production lines, etc., and provide services covering the entire life cycle of products.

1-1.2T/H Wood Pellet Production Line in Angola

Name：Wood Pellet Plant in Angola
Country：Angola
Date：2020.06.01
Capacity：1-1.2T/H
Pellet Size：8mm
The install period：30 Days
Control Mode：Manual
Guiding Price：75,100 USD

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• Production workshop: single-story factory building with a construction area of 550m².
• The main layout includes: raw material area, pelleting area, packaging area, and finished product warehouse.

Firstly, the sawdust purchased from wood processing enterprises is manually sent to the wood pellet mill machine for extrusion and granulation through a forklift, and then the finished product is packaged by a baler and put into storage for shipment. The whole pellet production process is simple.

The 1-1.2t/h wood pellet production line in Angola project is not equipped with a generator, and the electricity is connected from the local main power supply line. The annual electricity consumption is about 50,000 kW•h.

• Production water: There is no production water in this project.
• Domestic water: There are 4 project employees, all of whom do not have board and lodging in the factory. The water consumption of employees is calculated as 0.04m3/person·d, so the total amount of domestic water is 0.16m³/d (48m3/a).

The raw materials of this 1-1.2t/h wood pellet production line in Angola project come from wood chips produced by surrounding wood processing enterprises.

Name	Source	Consumption
Sawdust	Outsourcing	2702 t/a

 

Developing wood pellet production line in Angola has good ecological benefits and social benefits from the long run. Wood pellets have increased greatly in popularity as a heating fuel during recent year, with many homeowners and commercial facilities choosing pellet stove or boiler over traditional wood-fired equipment due to their relative ease of use. As a result, the demand for fuel pellets has also grown quickly.

However, wood is not the only suitable raw materials for manufacturing pellet fuel. A wide array of biomass wood materials can be used to manufacture pellets. Straw, rice husk, bamboo, grass can also be used in biomass fuel production.

1. Raw Materials Grinding:
   Standard-sized wood pellet mills generally require biomass that is ground to particles that are no more than 3 millimeters in size. Several types of equipment are available to carry out this task. If the biomass is quite large and dense, the materials is first run through a chipper, and then run through a hammer mill to reduce the particles to the required size. Smaller and softer biomass can be fed directly into the hammer mill without first being chipped.
2. Drying:
   Maintaining an appropriate moisture level in your raw material is vital for overall quality of the final pellets. For wood, the required moisture level of raw material is at or near 15 percent. Other types of biomass wood have other requirements—you may need to experiment a bit. Moisture can be removed from the raw material by oven-drying or by blowing hit air over or through the particles. If the raw material is too dry, moisture can be added by injecting steam or water into the raw material.
3. Pelletizing:
   The pellet is actually created in this step. A roller is used to compress the wood biomass against a heated metal plate called a die. The die includes several small holes drilled though it, which allows the biomass to be squeezed through under high temperature. If the conditions are right, the wood pellets will fuse into a solid mass, thus turning into a pellet. A blade is typically used to slice the pellet to a predefined length as it exits the die.
4. Cooling:
   Pellets, as they leave the die, are quite hot (150℃) and fairly soft. Therefore, they must be cooled and dried before they are ready for use. This is usually achieved by blowing air through the pellets as they sit in a metal bin. The final moisture content of the pellets should be no higher than 8 percent. Pellet cooling is a dynamic process that involves simultaneous heat and mass transfer between the pellets and the cooling air. 
5. Packaging:
   Pellets are typically sold in 20-50-kilogram bags, which can be easily filled using an overhead hopper and conveyor belt arrangement. The bags should be clearly labeled with the type of pellet, their grade and heat content.

In recent years, more and more enterprise enter into the biomass pellet plant along with the development of our country sawdust combustion industry, what should be noticed during the selection of address for wood pellet production line in Angola ?

• The wood biomass pellet production line should be chosen at the place where there are abundant raw materials for pellet plant with convenient transportation. The field should be close to the traffic arteries. This is not only advantageous to the production and transportation, but Also lowered the cost and easy to the selling of the products.
• The location should be flat in terrain, the earth should be strong and tough and underground water table should be lower with well ventilated, it should avert from the region that may be flooded by water or in the danger of slip or landslide.
• The surrounding environment of the field should be avert from plant which discharge flammable, combustible and poisonous gas or harmful dust and the residential area; the area around the filed should have spacious temporary places, for the purpose of storage and drying of the sawdust materials.
• The spot should be suited one's measures to local conditions and economical use of land, which can make full use of the wasteland or idly field. If it is possible, the original idle place and factory warehouse could be used possible to reduce the investment .
• The place should be considered the fire prevention problem fully, the neighborhood should have water resources either to meet the demand for production, life and fire control.
• The area of the wood pellet production line in Angola should be up the standard of the transportation demand and hygiene request during the production processing, and it should be kept the space for development.
• The palace should be selected nearby the village to solve the labor force problem.

Wood Chipper Machine

Turn raw materials from big size into small chips.(Thickness<3mm and length 10-30 mm)

Wood Pellet Hammer Mill

Crush the raw material chips into powder.(Size<3mm)

Wood Drying Machine

Dry the moisture percentage of the powder material to 12% to 18%.

Wood Pellet Mill

Make the well prepared biomass wood material powder into density, smooth biomass pellets. The diameter of final pellets is adjustable. Choose the right model and capacity depending on your needs.

Cooling Machine

The pellets will get high temperature during the pelletizing process. They are hot and easy to loosen. This equipment will help cool the finished wood pellets and make them smooth and solid.)

Packaging Machine

Weigh and pack the wood pellets automatically. Then they are ready for sale.