Notes

Just how does a wood pellet machine work?<br>
Typically, wood pellet machine can be classified into flat die pellet equipment and also ring die pellet machine.



Ring die pellet mill has large quantity as well as high capacity. It is suitable for manufacturing facility use and massive manufacturing. Apartment die pellet mill is tiny and portable. It has lower capability, suitable for home use as well as small production. The cost of flat die pellet mill is a lot lower than ring die pellet mill



Framework of flat die pellet mill.

From top to bottom, a flat die pellet mill is made up of a feed hopper, an upper cabinet, a discharge outlet, a pin box, transmission, a transmission shaft, an electric control cupboard, an electrical motor, a engine base, and 4 wheels, and so on.



The electrical motor can be changed by a diesel motor, gasoline engine, or a PTO connector.



The core components: roller and flat die

The pelletizing part of the flat die pellet equipment is a press roller and also a flat die. They are mounted in the upper cabinet. There are 2-4 rollers set up on the 2 ends of the roller shaft. The rollers have grooves on the surface area. The roller as well as flat die is made from superior alloy steel, whose firmness is 55-60 HRC.



There are numerous holes on the flat die, whose size is from 2.5 mm to 10mm, as well as 6mm, 8mm and also 10mm are the most typical types. They realize the very best compression proportion with a multitude of experiments, ideal for more than 30 kinds of materials.



The clearance in between the roller and flat die is 0.1-0.3 mm. This is where the raw product layer kinds. There are 2 adjusting nuts on the side of the pellet mill, you can readjust the clearance to adjust to different products.



Exactly how does a flat die pellet machine work?

When you feed resources right into the pellet equipment through the hopper, they fall on the flat die and also spread over it under the feature of roller.



When you begin the pellet equipment, the electrical motor runs and bring along the main shaft with the gearbox. The press roller is installed on the major shaft, so it rotates around the major shaft. Meanwhile, the rollers revolve around the roller shaft.



The turning press types solid pressure and press the raw products into the holes on the flat die. The raw materials obtain formed in these openings. When they are squeezed out, they come to be solid cylinders. On the other hand, the strong friction in between roller and also die heat up the raw materials to over 80 ° C, where the lignin and fibers get soft. They enhance the adhesive force of products.



The size of the pellets is determined by the hole size of the flat die, while the size is identified by the slicer under the flat die. When the biomass pellets appear in the shape of cylinders, the slicer under the flat die cut them right into specific length. You can readjust the setting of slicer to transform the length.



After being cut by the slicers, the pellets fall down on the pellet-throwing tray. Under the function of centrifugal pressure, the pellets are sent though the discharge electrical outlet.



2 kinds of flat die pellet machine

Apartment die pellet mill can be classified right into roller-turned kind and also die-turned kind. The previous one has its flat die set up on the main shaft. When the equipment functions, the flat die turns and also the roller maintain still. The later one has the press roller installed on the major shaft. The roller turns with the main shaft, while the flat die keep still.



Roller-turned type adopts more efficient structure. pellet briquette machine has larger capacity and even more sturdy transmission. But Die-turned kind is a lot more little and mobile, with reduced cost. Of course, both of them are able to make high-quality pellets.



Benefits and weak point of flat die pellet machine

Apartment die pellet mill has easy structure. It is small, light and mobile. The expense is much lower than ring die pellet machine It is simple to operate and keep. You can observe the pelletizing procedure as well as solve any kind of mistake in time. So it is popular with farmers, residence users, and tiny fuel manufacturing plant.



The flat dies are wearing parts, you require to change it consistently. However it can be used with both sides. You can transform it over when one side has actually worn. This way you can extend their working life as well as reduce expense.



On the other hand, the relocating distance are different in the internal and also external side of roller, which create the slide of rollers and also abrasion on the flat die. Presently, several flat die pellet machine take on conical roller to address this problem. TICO flat die pellet equipment adopts tapered roller as well as remarkable alloy steel in the flat die. go to the website listed below to obtain a fast quote!



Besides, the contact location of roller as well as flat die is smaller than ring die pellet equipment, so the production capability as well as creating price is reduced.



How does a ring die pellet equipment work?

Structure of ring die pellet machine

A ring die pellet machine is composed of a screw feeder, conditioner, roller as well as ring die, discharge port, electrical motor, transmission, pedestal.



The ring die pellet machine is driven by a direct-connected electric motor. The electric motor connect with the gearbox via a shaft coupling. The gearbox bring along the main shaft, and the main shaft bring along the rollers. So the roller started to rotate inside the ring die.



When you feed basic materials right into the ring die pellet equipment with the hopper, they are transferred to the conditioner, where the raw materials are mixed with vapor or butter. The conditioning of the raw products intends to improve the adhesive force and forming rate.




After that, the processed basic materials will certainly be sent to the pelletizing cabinet. Under the centrifugal force, they are distributed on the inner side of the ring die. The roller press the raw products into the holes on the ring die. The heat and also high pressure cause physical and also chemical changes to the raw products.




When they are squeezed out from the ring die, they end up being solid cylindrical sticks. The sticks expand much longer, until they are cut by the slicer outside the ring die. Then the pellets fall down as well as come out via the electrical outlet.



2 kinds of ring die pellet equipment

According to various placements of the ring die, there are vertical ring die pellet machine and straight ring die pellet machine.



In the horizontal kind, the ring die is positioned up and down. When basic materials fall down from the conditioner, they are fed right into the ring die horizontally by a forced feeder. In the upright type, the ring die is placed flat. The feed hopper is right over the ring die, as well as the raw materials falls into the ring die directly.



In the vertical ring die pellet machine, both the roller and ring die turn. They develop centrifugal force and distribute basic materials evenly. In the straight ring die pellet machine, only the ring die rotates. The raw products are distributed in the ring die by the screw feeder.



Advantages as well as weakness of ring die pellet machine.

Ring die pellet mill features high capability. The manufacturing per hour is from 800kg to 20t. As for flat die pellet machine, the capability is from 100kg/h to 1t/t. So if you manufacturing demand is under 800kg, you 'd much better choose flat die pellet equipment, or ring die pellet equipment is better.



Due to the high production, the power usage per unit is reduced. The abrasion between roller and also die is smaller. The procedure and maintenance is simple. The pellets are consistent in dimension.


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