Ken Duu

Engineer in RICHI Machinery
Last Updated: September 19, 2022
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Technology
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As the core component, style of the wood pellet mill for sale has a great influence on improving the result and high quality of wood pellet production, lowering power consumption, and also minimizing manufacturing expenses.

At the same time, the timber pellet maker mold and mildew are likewise one of the most conveniently used parts. Consequently, it is very crucial for wood pellets producers to understand the layout and application of ring die, and also to make the appropriate selection, rational usage, and also reliable upkeep of ring die.

The following is a quick evaluation of the style, option, use, and also upkeep of the ring die for a referral.

1, Decision of ring pass away diameter as well as ring pass away efficient pressing size specifications

a, The size and also efficient width of the ring die is the main specifications of the wood pellet device die

According to the global timber pellet equipment parameters and also concern series to figure out the ring die size collection, RICHI mainly has the complying with the collection of timber pellet machines:

MZLH320 Wood Pellet Machine

MZLH350 Wood Pellet Making Machine

MZLH420 Wood Pellet Mill

MZLH520 Wood Pellet Maker

MZLH768 Wood Pellet Press

MZLH858 Wood Pelletizer

According to the proportion of equal practical pushing location as well as an equal power, determine the reliable size of the ring passes away.


b, Decision on the rotational speed of the press roller of the wood pellet device

The rotational speed of the journalism roller is associated with the geometric parameters of the timber pellet equipment itself. According to the information detection of the technical criteria of the global pellet equipment, for the ring pass away pellet equipment with 2 pressing rollers, the direct rate at the internal diameter of the ring die is 6-12m/ s better. This is additionally the distinction between the rate of the sawdust pellet machine as well as the feed pellet machine.

The rate of the roller of the timber pellet equipment directly affects the thickness of the material in the pelletizing chamber and also the time for the material to travel through the die opening, which in turn impacts the outcome of the pellet device as well as the top quality of the pellets. If the line speed is too high, under the exact same output, the ring die produces much fewer bits per change, and also the product in the granulation area is little and also unevenly dispersed, which might cause product mistakes, alternate granulation, loose fragments with different lengths, and a large amount of powder. Can't even powder. A lower ring dies line rate can create pellets as well as can produce better pellets, yet the throughput is relatively low.


c, Determination of the size of journalism roller

Ring Die of Pelletizing Equipment

The standard pelletizing principle for pellet formation is received in the figure listed below. The timber pellets can get rid of the resistance of the material going through the aperture of the ring die through the shared extrusion force between the ring pass away as well as the pressing roller, so as to attain the function of granulation.

Pelletizing Concept

Under the same ring dies, the larger the size of the stress roller, the greater the range of triangular extrusion developed between the ring die and the stress roller, which is more conducive to the extrusion result.

In theory, talking, the diameter of the pressure roller of a solitary roller can be the largest, as well as the extrusion time, and also extrusion impact must be the most effective. However, in the procedure of the wood pellet mill, one of the most force in between the pressing roller and the ring die is transferred between the major shaft, the bearing, and the empty shaft, so the mechanical framework of the single-roller granulator is coarse, so it can just be used on a little experimental granulator. It is tough to be utilized in large-scale pellet mills, and also the double-roller sawdust pellet mill has actually come to be the most pre-owned version in the pellet.


2. Ring pass away product and warmth therapy

wood pellet machine ring die

wood pellet machine ring die

Wood pellet maker molds are normally made from carbon steel, alloy steel as well as stainless-steel through forging, reduction, exploration, warmth therapy, and various other processes. The product utilized in the ring pass away and also each handling procedure have a straight influence on its service life, granulation high quality as well as the outcome.

Carbon Steel-- Heat Treated Firmness HRC45-50. The wear resistance and deterioration resistance are reasonably poor and are essentially gotten rid of.

Alloy Steel-- Warmth treated with a firmness above HRC50. The thorough mechanical buildings are high, as well as the usage rate is the highest possible.

Stainless steel-- Great hardness and also toughness, total quenching, as well as good wear, and also rust resistance. But its high price has actually dragged down general use.


3. Ring pass away hole structure, compression proportion

 ring die hole

ring die opening

Typical timber pellet maker molds have straight holes, decompression holes, outer conical openings and also inner conical holes. The major criteria are:

Die opening size, ring pass away density, ring die efficient density, decompression opening size, pass away opening facility range, wall surface thickness between die openings, ring pass away diameter, and ring pass away reliable width.

The compression ratio is the ratio of the effective thickness of the ring passing away to the diameter of the die hole. It is an indicator of the extrusion toughness of wood pellets. The greater the compression ratio, the more powerful the extruded particles. Therefore, the die hole of the ring die is determined according to the different raw materials of wood.


4. Usage and also maintenance of wood pellet maker mold

Right adjustment of the working gap in between the ring pass away and journalism roller is vital to the use of the ring die. Usually talking, the void in between the ring die as well as the pressing roller is between 0.1-0.3 mm.


When the space is too huge, the machine will certainly be obstructed as a result of not enough extrusion force. If the space is also small, it is very easy to damage the ring die and the pressing roller. For the operator, it is needed to have useful operation experience and be able to masterfully pick and change the gap of the ring die roll. The adjustment work needs to be grasped with a long-term granulator production technique.


View more content: https://www.pelletingmachine.com/pellet-mill-for-sale/

wood pellet mill wood pellet machine wood pellet press wood pellet maker wood pelletizer wood pellet mill for sale wood pellet making machine
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