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How To Prevent Obstruction Of Ring Die Opening Of Pellet Maker
How To Prevent Clog Of Ring Die Opening Of Pellet Machine

When using a ring die pellet machine to compress wood pellets, we commonly come across the phenomenon of clog of the ring die openings. When the mold opening is clogged, not just is the time needed to disassemble and also clean the mold, yet also the production performance is impacted by the lack of ability to create fragments after the mold and mildew is blocked.


How to stay clear of blockage of ring die hole of pellet machine? In today's article, we will certainly examine some of the most common reasons as well as just how to solve the issue after the pellet maker mold is obstructed.

Just how to avoid obstruction of ring die hole of pellet maker

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


The internal surface area of the hole may show up smooth. Nonetheless, typically potent pellet mill boring procedure additionally generates small scratches. Even these small scratches will generate adequate resistance during the manufacture of particles, resulting in mold and mildew.

Head blocked. Bear in mind that if the rollers of the pellet maker can not produce sufficient force to get over the resistance of the die openings, it will certainly trigger blockage. Normally make use of a rather loosened biomass material (I choose to make use of wheat bran), concerning 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 maker. This brightening product will certainly assist clean up the surface of the mold hole and also remove rust.

Professional pointer: Usage much less polishing materials. If the regularity of use is too high, the surface area of the mold and also the stress roller will be used, consequently reducing its life span. When straw pellet mill on the mold is worn, the compression ratio on the mold and mildew will certainly not be suitable for creating high-quality pellets.

2. Raw material granularity. Make sure that the fragment dimension of the raw material is smaller sized than the diameter of the die hole. As an example, a ring die with an aperture of 6mm makes use of a 5mm hammer mill display to produce 6mm wood pellets.

Expert tip: It is likewise needed to ensure that there is no contamination in the raw materials (stone/metal). These will not just trigger blockage of the die holes, however likewise trigger severe damage to the pellet machine itself. This might include damages to the gearbox or electric motor.

3. Raw material wetness. It is really crucial to control the dampness content of the raw product when making wood pellets. The suitable dampness web content of the raw material is less than 15%. If the dampness material is expensive, such as 20%+, it will quickly cause particles when it goes into the pellet maker. The mold opening is blocked.

Professional idea: Even if you prepare raw materials with suitable bit dimension as well as moisture content, you must additionally take into consideration using granular binders. Bit binders can assist the process and reduce the possibility of clogging of the pellet machine die.

4. It is suggested to feed the pellet equipment gradually to stay clear of blockage of the mold and mildew. When the pellet maker works, there will be a certain temperature level, when it exceeds 80 degrees Celsius, the natural lignin in the wood will certainly melt and also bind the pellets together.

Nevertheless, if the raw product of the pellet maker is fed into the mold and mildew quicker than the processing rate of the raw material, it is easy to obstruct the mold and mildew prior to the pellet equipment reaches this operating temperature level. You need to see to it that there suffices product before the granulation room, however do not totally cover them.

Specialist idea: The pellet production procedure produces warm, which launches the wetness in the raw material. Filling the pellet maker processing chamber with raw materials protects against the getaway of dampness (vapor). This steam is after that absorbed by the inbound raw materials. This indicates that raw materials with wetness more than 15% can cause die clog. As a result, only feed the pelletizer at a rate that can be processed.

5. If you have actually finished making wood pellets, add a large amount of vegetable oil to the blend in the last few mins of the procedure. This will leave a soft oily product in the mold, which will certainly make it easier to begin making pellets once again next time.


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