Notes

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




Ring die pellet mill has big volume as well as high capability. It appropriates for factory use and large production. Flat die pellet mill is tiny as well as portable. It has reduced capability, ideal for home use and also small-scale manufacturing. The rate of flat die pellet mill is much less than ring die pellet mill



Framework of flat die pellet mill.

Inside out, a flat die pellet mill is made up of a feed receptacle, an upper closet, a discharge electrical outlet, a pin box, gear box, a transmission shaft, an electrical control cabinet, an electrical motor, a engine base, and also 4 wheels, and so on.



The electrical motor can be changed by a diesel engine, gas engine, or a PTO port.



The core components: roller and also flat die

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



There are lots of holes on the flat die, whose diameter is from 2.5 mm to 10mm, and also 6mm, 8mm and 10mm are the most usual types. They recognize the most effective compression ratio with a lot of experiments, appropriate for greater than 30 type of products.



The clearance in between the roller and flat die is 0.1-0.3 mm. This is where the raw material layer types. There are 2 readjusting nuts on the side of the pellet mill, you can change the clearance to adapt to different materials.



How does a flat die pellet equipment work?

When you feed resources into the pellet equipment with the receptacle, they fall on the flat die as well as spread over it under the function of roller.



When you start the pellet machine, the electric motor runs and bring along the major shaft through the gearbox. The press roller is mounted on the primary shaft, so it revolves around the major shaft. Meanwhile, the rollers rotate around the roller shaft.



The revolving press types strong pressure and also press the raw products into the holes on the flat die. The raw products get molded in these openings. When they are squeezed out, they end up being strong cyndrical tubes. On the other hand, the strong friction between roller as well as die heat up the raw products to over 80 ° C, where the lignin and fibers obtain soft. They boost the sticky force of products.



The size of the pellets is identified by the hole dimension of the flat die, while the size is established by the slicer under the flat die. When the biomass pellets appear in the form of cyndrical tubes, the slicer under the flat die cut them right into certain size. You can change the placement of slicer to alter the length.



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



Two sorts of flat die pellet equipment

Flat die pellet mill can be classified into roller-turned kind and also die-turned kind. The former one has its flat die mounted on the main shaft. When the machine functions, the flat die revolves and also the roller keep still. The later one has journalism roller set up on the primary shaft. The roller rotates with the primary shaft, while the flat die keep still.



Roller-turned type takes on a lot more reliable structure. It has larger ability and also even more durable transmission. However Die-turned kind is extra small and also portable, with reduced expense. Obviously, richi pellet machine of them are able to make premium pellets.



Benefits and also weak point of flat die pellet machine

Flat die pellet mill has basic framework. It is little, light as well as portable. The cost is a lot lower than ring die pellet equipment It is easy to run as well as preserve. You can observe the pelletizing procedure and address any kind of mistake in time. So it is preferred with farmers, house individuals, and small gas manufacturing plant.



The flat dies are wearing parts, you need to change it routinely. Yet it can be utilized with both sides. You can turn it over when one side has actually worn out. This way you can extend their functioning life as well as minimize cost.



On the other hand, the moving distance are different in the inner and also external side of roller, which create the slide of rollers as well as abrasion on the flat die. Currently, lots of flat die pellet equipment take on tapered roller to address this issue. TICO flat die pellet equipment takes on conical roller and premium alloy steel in the flat die. Click the switch below to get a quick quote!



Besides, the call location of roller and also flat die is smaller sized than ring die pellet machine, so the manufacturing capacity as well as developing rate is lower.



Just how does a ring die pellet equipment work?

Framework of ring die pellet machine

A ring die pellet machine is made up of a screw feeder, conditioner, roller as well as ring die, discharge port, electric motor, transmission, stand.



The ring die pellet equipment is driven by a direct-connected electric motor. The electric motor get in touch with the transmission with a shaft combining. pellet filament extruder bring along the main shaft, and the major shaft bring along the rollers. So the roller began to revolve inside the ring die.



When you feed resources right into the ring die pellet equipment through the hopper, they are transferred to the conditioner, where the raw materials are combined with vapor or butter. The conditioning of the raw products intends to enhance the adhesive force and forming price.



Then, the processed resources will certainly be transmitted to the pelletizing cabinet. Under the centrifugal force, they are distributed on the internal side of the ring die. The roller press the raw materials into the holes on the ring die. The heat as well as high pressure reason physical as well as chemical modifications to the raw products.



When they are squeezed out from the ring die, they become solid round sticks. The sticks grow much longer, until they are reduced by the slicer outside the ring die. Then the pellets fall down and come out with the electrical outlet.



2 sorts of ring die pellet machine

According to different positionings of the ring die, there are vertical ring die pellet equipment and horizontal ring die pellet machine.



In the straight type, the ring die is put vertically. When resources drop from the conditioner, they are fed right into the ring die horizontally by a forced feeder. In the vertical kind, the ring die is put flat. The feed receptacle is right over the ring die, and also the raw materials falls under the ring die directly.



In the vertical ring die pellet machine, both the roller and ring die turn. They form centrifugal force as well as disperse raw materials evenly. In the straight ring die pellet machine, just the ring die rotates. The raw materials are distributed in the ring die by the screw feeder.



Benefits and also weak point of ring die pellet machine.

Ring die pellet mill features high ability. The manufacturing per hr is from 800kg to 20t. As for flat die pellet equipment, the capacity is from 100kg/h to 1t/t. So if you manufacturing demand is under 800kg, you would certainly much better pick flat die pellet equipment, or ring die pellet machine is better.



Because of the high manufacturing, the power usage per unit is low. The abrasion between roller and also die is smaller. The procedure as well as maintenance is very easy. The pellets are consistent in dimension.

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