Notes

How does a wood pellet equipment work?<br>
Typically, wood pellet machine can be classified right into flat die pellet equipment as well as ring die pellet machine.



Ring die pellet mill has big volume and high ability. It is suitable for manufacturing facility usage and also massive manufacturing. Flat die pellet mill is tiny as well as mobile. It has reduced ability, suitable for residence usage and small-scale manufacturing. The cost of flat die pellet mill is much less than ring die pellet mill



Framework of flat die pellet mill.


From top to bottom, a flat die pellet mill is composed of a feed hopper, an upper cabinet, a discharge outlet, a pin box, transmission, a transmission shaft, an electrical control cabinet, an electrical motor, a engine base, and also 4 wheels, etc.



The electric motor can be changed by a diesel motor, fuel engine, or a PTO connector.



The core parts: roller as well as flat die

The pelletizing part of the flat die pellet machine is a press roller as well as 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. https://www.reddit.com/r/pelletmachinery/comments/yp9ufj/impact_of_floating_fish_feed_pellet_making_device/ have grooves on the surface. The roller and also flat die is constructed from remarkable alloy steel, whose hardness is 55-60 HRC.



There are lots of openings on the flat die, whose size is from 2.5 mm to 10mm, and also 6mm, 8mm and also 10mm are one of the most common types. They recognize the best compression ratio with a great deal of experiments, ideal for more than 30 type of materials.



The clearance between the roller and also flat die is 0.1-0.3 mm. This is where the raw product layer forms. There are 2 changing nuts on the side of the pellet mill, you can readjust the clearance to adjust to various materials.



Exactly how does a flat die pellet machine job?

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



When you begin the pellet machine, the electrical motor runs and also bring along the primary shaft with the gearbox. Journalism roller is installed on the primary shaft, so it rotates around the primary shaft. On the other hand, the rollers revolve around the roller shaft.



The turning press forms strong pressure and also press the raw products right into the holes on the flat die. The raw materials get molded in these holes. When they are squeezed out, they end up being strong cylinders. On the other hand, the solid friction between roller and die heat up the raw materials to over 80 ° C, where the lignin and also fibers get soft. They boost the adhesive pressure of materials.




The diameter of the pellets is established by the hole size of the flat die, while the size is determined by the slicer under the flat die. When the biomass pellets come out in the form of cylinders, the slicer under the flat die cut them into particular size. You can change the setting of slicer to change the length.



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



Two sorts of flat die pellet machine

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



Roller-turned type embraces more effective structure. It has bigger ability and even more resilient gearbox. But Die-turned kind is a lot more tiny and also mobile, with lower expense. Of course, both of them are able to make premium pellets.



Advantages and weakness of flat die pellet machine

Apartment die pellet mill has basic structure. It is tiny, light and also portable. The expense is much lower than ring die pellet machine It is simple to run and also preserve. You can observe the pelletizing process and also solve any mistake in time. So it is prominent with farmers, home customers, and also tiny fuel production plant.



The flat dies are wearing components, you need to replace it frequently. However it can be utilized with both sides. You can transform it over when one side has broken. In this way you can expand their functioning life and also reduce cost.



On the other hand, the moving distance are different in the inner and outer side of roller, which trigger the slide of rollers and abrasion on the flat die. Currently, lots of flat die pellet machine adopt tapered roller to resolve this problem. TICO flat die pellet equipment embraces conical roller and also premium alloy steel in the flat die. Click the button below to obtain a quick quote!



Besides, the contact area of roller and flat die is smaller than ring die pellet equipment, so the manufacturing capability and forming rate is lower.



Exactly how does a ring die pellet machine work?

Structure of ring die pellet machine

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



The ring die pellet machine is driven by a direct-connected electric motor. The motor get in touch with the transmission with a shaft combining. The transmission bring along the main shaft, and the primary shaft bring along the rollers. So the roller started to rotate inside the ring die.



When you feed raw materials into the ring die pellet machine via the receptacle, they are transferred to the conditioner, where the raw materials are blended with vapor or butter. The conditioning of the raw materials aims to enhance the glue pressure and also creating rate.



After that, the refined basic materials will certainly be transferred to the pelletizing cupboard. Under the centrifugal force, they are dispersed 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 cause physical as well as chemical modifications to the raw materials.



When they are squeezed out from the ring die, they end up being strong cylindrical sticks. The sticks grow longer, till they are cut by the slicer outside the ring die. Then the pellets fall down and appear through the electrical outlet.



2 kinds of ring die pellet machine

According to various positionings of the ring die, there are vertical ring die pellet machine as well as horizontal ring die pellet equipment.



In the straight type, the ring die is put vertically. When resources fall down from the conditioner, they are fed right into the ring die flat by a forced feeder. In the vertical type, the ring die is positioned flat. The feed receptacle is right above the ring die, as well as the raw materials falls under the ring die straight.



In the upright ring die pellet machine, both the roller and ring die turn. They create centrifugal force and distribute basic materials consistently. In the horizontal ring die pellet equipment, only the ring die rotates. The raw materials are distributed in the ring die by the screw feeder.



Benefits and weak point of ring die pellet equipment.

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



Due to the high manufacturing, the power usage each is reduced. The abrasion between roller and also die is smaller. The procedure as well as maintenance is simple. The pellets are uniform in size.


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