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How does a wood pellet machine work
Just how does a wood pellet machine job?
Normally, wood pellet equipment can be classified into flat die pellet equipment as well as ring die pellet machine.

Ring die pellet mill has huge volume and high ability. It is suitable for manufacturing facility use and massive manufacturing. Flat die pellet mill is little and mobile. It has lower ability, suitable for house usage and small-scale production. The rate 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, a top cupboard, a discharge outlet, a spindle box, transmission, a transmission shaft, an electric control closet, an electric motor, a engine base, and 4 wheels, and so on.

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

The core components: roller and also flat die
The pelletizing part of the flat die pellet equipment is a press roller as well as a flat die. They are installed in the top cupboard. There are 2-4 rollers mounted on the 2 ends of the roller shaft. The rollers have grooves on the surface area. The roller and flat die is made of exceptional alloy steel, whose hardness is 55-60 HRC.

There are numerous openings on the flat die, whose diameter is from 2.5 mm to 10mm, and also 6mm, 8mm as well as 10mm are the most common types. They recognize the very best compression proportion with a lot of experiments, suitable for greater than 30 type of products.

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

Exactly how does a flat die pellet machine job?
When you feed basic materials into the pellet equipment with the hopper, 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 with the gearbox. Journalism roller is installed on the main shaft, so it rotates around the primary shaft. On the other hand, the rollers turn around the roller shaft.

The turning press kinds solid stress as well as press the raw products into the holes on the flat die. The raw products obtain molded in these holes. When they are ejected, they come to be strong cyndrical tubes. Meanwhile, the solid friction in between roller and also die warm up the raw materials to over 80 ° C, where the lignin and also fibers obtain soft. They enhance the glue pressure of materials.

The size of the pellets is identified by the hole dimension of the flat die, while the length is figured out by the slicer under the flat die. When the biomass pellets appear in the form of cylinders, the slicer under the flat die reduced them into certain length. You can change the position of slicer to alter the length.

After being reduced 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 electrical outlet.

Two sorts of flat die pellet equipment
Apartment die pellet mill can be classified into roller-turned kind and also die-turned type. The previous 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 set up on the main shaft. The roller rotates with the primary shaft, while the flat die keep still.

Roller-turned kind takes on more reliable framework. It has bigger capability and more resilient transmission. But Die-turned kind is much more tiny and also portable, with reduced cost. Naturally, both of them are able to make top notch pellets.

Benefits and also weakness of flat die pellet machine
Apartment die pellet mill has simple framework. It is little, light and mobile. The price is much lower than ring die pellet equipment It is very easy to operate and also maintain. You can observe the pelletizing procedure and also resolve any mistake in time. So it is popular with farmers, home customers, and small gas manufacturing plant.

The flat dies are wearing parts, you require to replace it on a regular basis. However it can be used with both sides. You can transform it over when one side has worn out. This way you can prolong their functioning life as well as minimize expense.

On the other hand, the relocating range are different in the internal as well as external side of roller, which trigger the slide of rollers and also abrasion on the flat die. Presently, Richi machinery of flat die pellet machine take on tapered roller to solve this problem. TICO flat die pellet equipment embraces conical roller and also exceptional alloy steel in the flat die. Click the switch below to get a fast quote!

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

Just how does a ring die pellet machine job?
Framework of ring die pellet machine
A ring die pellet equipment 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 motor. The electric motor get in touch with the transmission with a shaft coupling. The gearbox bring along the major shaft, and the main shaft bring along the rollers. So the roller began to turn inside the ring die.

When you feed raw materials into the ring die pellet equipment via the receptacle, they are transmitted to the conditioner, where the raw materials are blended with vapor or butter. The conditioning of the raw materials intends to boost the adhesive force as well as forming price.

Then, the refined raw materials 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 right into the holes on the ring die. The heat as well as high pressure cause physical and chemical modifications to the raw products.

When pellet machine die are squeezed out from the ring die, they come to be solid round sticks. The sticks expand much longer, till they are cut by the slicer outside the ring die. After that the pellets fall down and come out with the outlet.

2 sorts 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 ir pellet press , the ring die is placed up and down. When raw materials drop from the conditioner, they are fed into the ring die horizontally by a forced feeder. In the vertical kind, the ring die is put flat. The feed hopper is right above the ring die, as well as the raw products falls into the ring die straight.

In the upright ring die pellet machine, both the roller and also ring die revolve. They develop centrifugal pressure and disperse raw materials uniformly. In the horizontal 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 equipment.
Ring die pellet mill includes high capability. The production 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 requirement is under 800kg, you would certainly better pick flat die pellet equipment, or ring die pellet machine is preferable.

Because of the high production, the power usage per unit is reduced. The abrasion between roller as well as die is smaller sized. The operation and also upkeep is easy. The pellets are uniform in dimension.

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