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How To Prevent Obstruction Of Ring Die Opening Of Pellet Maker
How To Stay Clear Of Richi machinery Of Ring Die Opening Of Pellet Maker

When making use of a ring die pellet machine to compress wood pellets, we usually experience the phenomenon of clog of the ring die holes. When the mold and mildew opening is obstructed, not just is the time needed to disassemble as well as cleanse the mold and mildew, yet additionally the production performance is affected by the lack of ability to create particles after the mold is blocked.

How to avoid blockage of ring die hole of pellet machine? In today's post, we will certainly examine several of one of the most usual reasons and also exactly how to address the trouble after the pellet machine mold and mildew is blocked.

Exactly how to stay clear of obstruction of ring die opening of pellet equipment

1. The pellet maker mold and mildew requires to be polished. The source of the blockage of the brand-new ring die is various from that of the old one. Some brand-new molds will certainly have problems in the mold hole throughout the drilling procedure.

The inner surface of the hole might show up smooth. Nonetheless, usually the drilling process also produces small scrapes. Even these tiny scratches will create enough resistance during the manufacture of fragments, causing mold.

Head obstructed. Bear in mind that if the rollers of the pellet equipment can not produce adequate force to conquer the resistance of the die openings, it will certainly trigger blockage. Usually utilize a fairly loose biomass material (I prefer to make use of wheat bran), about 10-15% vegetable oil and also concerning 1-2% fine sand.


You mix this product thoroughly, and then slowly and also repeatedly procedure it in a pellet equipment. This brightening product will certainly help clean up the surface area of the mold and mildew opening and remove corrosion.

Specialist suggestion: Usage less polishing products. If the frequency of use is expensive, the surface of the mold and mildew as well as the stress roller will be worn, therefore shortening its life span. As soon as the material guide on the mold is worn, the compression proportion on the mold will not appropriate for generating premium pellets.

2. Raw material granularity. Ensure that the particle size of the raw product is smaller than the diameter of the die opening. For instance, a ring die with an aperture of 6mm makes use of a 5mm hammer mill screen to create 6mm timber pellets.

Professional pointer: It is also essential to ensure that there is no contamination in the raw products (stone/metal). These will not only trigger obstruction of the die openings, but additionally create severe damages to the pellet equipment itself. This may consist of damage to the transmission or motor.

3. Richi machinery . It is very important to control the dampness web content of the raw material when making wood pellets. The excellent dampness web content of the raw product is less than 15%. If the dampness material is too expensive, such as 20%+, it will quickly cause particles when it gets in the pellet machine. The mold opening is blocked.

Professional suggestion: Even if you prepare raw materials with excellent fragment size and also wetness web content, you should also take into consideration utilizing granular binders. Bit binders can aid the process as well as reduce the opportunity of clogging of the pellet equipment die.

4. It is advised to feed the pellet equipment slowly to stay clear of obstruction of the mold and mildew. When the pellet maker works, there will be a specific temperature level, when it exceeds 80 levels Celsius, the all-natural lignin in the wood will certainly melt and bind the pellets with each other.

Nonetheless, if the raw material of the pellet maker is fed into the mold and mildew faster than the processing speed of the raw material, it is easy to block the mold prior to the pellet equipment reaches this operating temperature. You need to see to it that there suffices material before the granulation room, however do not completely cover them.

Specialist suggestion: The pellet production process generates warm, which launches the moisture in the raw product. Loading the pellet equipment processing chamber with raw materials prevents the retreat of dampness (vapor). This heavy steam is after that taken in by the incoming raw materials. This implies that raw materials with wetness higher than 15% can create die obstruction. Consequently, only feed the pelletizer at a rate that can be processed.

5. If you have actually ended up making timber pellets, add a big quantity of vegetable oil to the mixture in the last couple of mins of the operation. This will certainly leave a soft oily product in the mold and mildew, which will certainly make it much easier to begin making pellets again following time.

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