Daily maintenance of wood pellet machine

Daily maintenance of wood pellet machine：

1. The bearing of the pressure roller is damaged in two aspects. The first is oil shortage and burnout. The characteristic is that after the pressure roller is disassembled, it is found that there is no oil in it, and the inner wall of the pressure roller shell is burned and turned blue. The second is the non-parallel operation of the bearing, which is characterized by the fact that the whole pressing roller is not tightened, which causes the bearing to fall apart.

2. In the overall operation, we check the equipment operation as follows.

A. Open the door of the granulation chamber, turn on the main motor, and observe whether the ring die moves up and down, left and right. The ring die needs to be reassembled. The internal connection between the ring die and the lamination ring and the hole shaft needs to be wiped with oil and cleaned quickly. No burrs are allowed inside. If there are burrs, use sandpaper to smooth them.

B. Observe that there are not many dead holes on the ring die. If there are many, it is necessary to clean the dead holes with an electric impact drill. The materials in the granulation room are cleaned every day after get off work, and waste oil needs to be brushed on the ring die to ensure that the materials in the holes are softened, so that the materials can be extruded the next day.

C. If there are many dead holes, pay attention to whether the horn hole of the ring die becomes smaller. It is expected that after every 150-250 tons of particles come out, the horn hole needs to be reamed. If the hole is not reamed, the output will become smaller and the dead hole will become smaller Too much pressure, high temperature, and the oil in the pressure roller is lost too fast, causing the bearing of the pressure roller to burn out.

D. When starting up and running, pay attention to the need to add oil in the back every 1-1.5 hours, add more frequently and less, and hit 4-5 times each time. If it is not replenished, there will be a lack of oil in the pressure roller, which will cause the bearing to burn out.

E. Open the granulation chamber every day, and observe whether the cover of the pressure roller is loose. Because the pressure roller is an assembly, after the ring die rotates, the friction between the assemblies causes the gap to become larger, resulting in two roller bearings. Non-parallel running, resulting in bearing flange falling apart and damage. Generally, after completing the work of 3-4 teams, we remove the pressure roller and replace it with a spare pressure roller that has been tightened. Change the class. (This is very important)  

F. Use high-temperature lubricating lithium-based grease capable of resisting 300 degrees without dripping, and enter the pressure roller. If the resistance temperature is too low, the oil drains too fast, and the bearing is easy to burn out. Simple method for detection: take oil, burn it with a lighter, it will not melt, it is called no drip, it is a good oil.

G. In general, the granulation is beautiful, the higher the output, the more normal the granulator, so the raw material should not be too dry, or dry and wet for a while, which will cause the granulation to eat abnormally, and the machine will vibrate violently. It will be calm, which is not a good spot, and controlling the moisture level is also critical.

Zhengzhou Fanda Machinery Co., Ltd. can provide all kinds of pellets machines, such as wood pellet mills, biomass pellet making machines, animal pellet making machines, biomass pellet production lines, and so on. The machine has good quality and stable performance and long service life.

Vincent:whatsapp:008618639007627

Email:vincent@fandamachinery.com