Notes

Exactly how does a wood pellet equipment work?<br>
Usually, wood pellet equipment can be classified into flat die pellet machine as well as ring die pellet machine.



Ring die pellet mill has large quantity and also high capability. It appropriates for manufacturing facility use as well as massive manufacturing. Flat die pellet mill is little and portable. It has reduced capability, ideal for house use as well as small manufacturing. The rate of flat die pellet mill is a lot lower than ring die pellet mill



Framework of flat die pellet mill.

Inside out, a flat die pellet mill is composed of a feed receptacle, an upper cupboard, a discharge outlet, a spindle box, transmission, a transmission shaft, an electric control closet, an electrical motor, a engine base, and 4 wheels, and so on.



The electric motor can be replaced by a diesel engine, fuel engine, or a PTO adapter.



The core components: 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 installed in the top cupboard. 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 flat die is constructed from remarkable alloy steel, whose firmness 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 as well as 10mm are the most common kinds. They realize the best compression ratio with a lot of experiments, suitable for greater than 30 kinds of materials.



The clearance in between the roller as well as flat die is 0.1-0.3 mm. This is where the raw product layer forms. There are 2 adjusting nuts on the side of the pellet mill, you can change the clearance to adjust to different materials.



How does a flat die pellet equipment work?

When you feed basic materials into the pellet machine via the hopper, they fall on the flat die and spread over it under the feature of roller.



When you start the pellet equipment, the electrical motor runs as well as bring along the major shaft through the transmission. Journalism roller is set up on the main shaft, so it rotates around the main shaft. On you can find out more , the rollers turn around the roller shaft.



The turning press kinds strong pressure and press the raw materials right into the holes on the flat die. The raw materials get molded in these holes. When they are squeezed out, they become strong cyndrical tubes. Meanwhile, the solid friction between roller as well as die heat up the raw materials to over 80 ° C, where the lignin and also fibers get soft. They raise the sticky force of materials.



The size of the pellets is figured out by the opening size of the flat die, while the size is established by the slicer under the flat die. When the biomass pellets come out in the form of cylinders, the slicer under the flat die reduced them right into specific length. You can adjust the position of slicer to transform the length.




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



2 kinds of flat die pellet equipment

Flat die pellet mill can be classified right into roller-turned kind as well as die-turned kind. The previous one has its flat die mounted on the major shaft. When the equipment works, the flat die turns as well as the roller keep still. The later one has the press roller mounted on the main shaft. The roller rotates with the primary shaft, while the flat die keep still.



Roller-turned kind takes on extra reliable framework. It has bigger ability and also more resilient gearbox. Yet Die-turned kind is more tiny and portable, with reduced expense. Obviously, both of them are able to make premium pellets.



Advantages and also weak point of flat die pellet equipment

Apartment die pellet mill has easy structure. It is small, light and mobile. The price is much lower than ring die pellet machine It is simple to run and preserve. You can observe the pelletizing procedure as well as resolve any kind of fault in time. So it is prominent with farmers, residence customers, as well as little gas manufacturing plant.



The flat dies are wearing components, you need to replace it routinely. However it can be utilized with both sides. You can turn it over when one side has broken. By doing this you can prolong their functioning life and also reduce price.



On the other hand, the moving range are various in the inner and also external side of roller, which trigger the slide of rollers and also abrasion on the flat die. Currently, several flat die pellet equipment embrace conical roller to solve this trouble. TICO flat die pellet machine adopts tapered roller and exceptional alloy steel in the flat die. Click the button below to obtain a quick quote!



Besides, the call location of roller and flat die is smaller than ring die pellet equipment, so the manufacturing capacity and also developing rate is reduced.



Exactly how does a ring die pellet machine job?

Framework of ring die pellet machine

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



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



When you feed raw materials right into the ring die pellet machine via the hopper, they are transferred to the conditioner, where the raw materials are blended with vapor or butter. The conditioning of the raw materials intends to enhance the adhesive force and also forming price.



Then, the processed resources will be transmitted to the pelletizing closet. Under Richi machine , they are dispersed on the inner side of the ring die. The roller press the raw products into the holes on the ring die. The heat as well as high pressure cause physical and chemical changes to the raw products.



When they are ejected from the ring die, they become solid round sticks. The sticks grow much longer, up until they are cut by the slicer outside the ring die. Then the pellets drop and also come out with the electrical outlet.



2 sorts of ring die pellet machine

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



In the straight type, the ring die is placed vertically. When raw 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, and the raw materials falls into the ring die directly.



In the upright ring die pellet machine, both the roller as well as ring die turn. They create centrifugal pressure and disperse raw materials consistently. In the horizontal ring die pellet equipment, only the ring die rotates. The raw products are dispersed in the ring die by the screw feeder.




Advantages and weakness of ring die pellet equipment.

Ring die pellet mill includes high capacity. The production per hr is from 800kg to 20t. When it comes to flat die pellet equipment, the capability is from 100kg/h to 1t/t. So if you manufacturing requirement is under 800kg, you would certainly better pick flat die pellet machine, or ring die pellet equipment is better.



As a result of the high production, the power intake per unit is low. The abrasion between roller and die is smaller sized. The procedure and maintenance is very easy. The pellets are consistent in dimension.


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