Notes

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



Ring die pellet mill has large volume and high capacity. It appropriates for factory use and also large-scale manufacturing. Flat die pellet mill is small and also portable. It has lower capability, suitable for residence use and small manufacturing. The price 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 composed of a feed hopper, a top cupboard, a discharge electrical outlet, a spindle box, gear box, a transmission shaft, an electrical control cupboard, an electrical motor, a engine base, as well as 4 wheels, and so on.



The electrical motor can be replaced by a diesel engine, gasoline engine, or a PTO adapter.




The core components: roller as well as 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 closet. 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 and also flat die is made from remarkable alloy steel, whose firmness is 55-60 HRC.



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



The clearance in between the roller as well as flat die is 0.1-0.3 mm. This is where the raw material layer forms. There are 2 adjusting nuts on the side of the pellet mill, you can readjust the clearance to adapt to various products.



Exactly how does a flat die pellet machine job?

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



When you begin the pellet machine, the electrical motor runs and bring along the primary shaft through the transmission. Journalism roller is set up on the main shaft, so it turns around the primary shaft. At the same time, the rollers turn around the roller shaft.



The rotating press forms strong pressure and press the raw products into the holes on the flat die. The raw products get formed in these holes. When they are squeezed out, they become solid cylinders. Meanwhile, the solid rubbing between roller and also die warm up the raw materials to over 80 ° C, where the lignin and also fibers obtain soft. They increase the glue pressure of products.



The size of the pellets is determined by the hole size of the flat die, while the length is established by the slicer under the flat die. When the biomass pellets appear in the shape of cyndrical tubes, the slicer under the flat die reduced them into certain size. You can change the position of slicer to transform the length.



After being reduced 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 types of flat die pellet machine

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



Roller-turned type takes on a lot more effective structure. It has larger capability as well as more sturdy gearbox. Yet Die-turned kind is a lot more little as well as mobile, with lower price. Obviously, both of them are able to make top notch pellets.



Benefits as well as weakness of flat die pellet machine

Apartment die pellet mill has straightforward framework. It is small, light as well as mobile. The price is much lower than ring die pellet equipment It is simple to run as well as maintain. You can observe the pelletizing procedure as well as solve any kind of fault in time. So it is popular with farmers, home users, and also little fuel manufacturing plant.




The flat dies are using components, you need to change it on a regular basis. But it can be made use of with both sides. You can turn it over when one side has broken. By doing this you can prolong their working life and also minimize price.



On the other hand, the relocating distance are different in the internal and outer side of roller, which trigger the slide of rollers and also abrasion on the flat die. Presently, numerous flat die pellet equipment adopt conical roller to resolve this trouble. TICO flat die pellet machine embraces tapered roller and also remarkable alloy steel in the flat die. california pellet mill company listed below to get a quick quote!



Besides, the contact area of roller and flat die is smaller sized than ring die pellet machine, so the production ability and forming price is reduced.



How does a ring die pellet equipment work?

Framework of ring die pellet machine

A ring die pellet equipment is composed of a screw feeder, conditioner, roller and also ring die, discharge port, electric motor, transmission, stand.



The ring die pellet machine is driven by a direct-connected electric motor. The motor get in touch with the gearbox with a shaft coupling. The gearbox bring along the primary shaft, as well as the main shaft bring along the rollers. So the roller began to turn inside the ring die.



When you feed raw materials right into the ring die pellet equipment through the hopper, they are transferred to the conditioner, where the raw products are blended with vapor or butter. The conditioning of the raw materials intends to boost the glue pressure and forming rate.



Then, the processed basic materials will be sent to the pelletizing closet. Under the centrifugal force, they are distributed on the inner side of the ring die. The roller press the raw materials into the holes on the ring die. The high temperature as well as high pressure cause physical as well as chemical modifications to the raw products.



When they are ejected from the ring die, they end up being strong cylindrical sticks. The sticks expand longer, till they are reduced by the slicer outside the ring die. Then the pellets fall down and appear with the outlet.



2 types of ring die pellet equipment

According to various placements of the ring die, there are vertical ring die pellet equipment and also horizontal ring die pellet equipment.



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



In the vertical ring die pellet machine, both the roller and also ring die turn. They create centrifugal force as well as distribute resources uniformly. In the straight ring die pellet machine, just the ring die rotates. The raw products are dispersed in the ring die by the screw feeder.



Advantages and weak point of ring die pellet equipment.

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



Because of the high production, the power consumption each is reduced. The abrasion in between roller as well as die is smaller sized. The operation and also maintenance is easy. The pellets are uniform in size.


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