As a kind of equipment for converting agricultural and forestry wastes into clean energy, one of the core components of biomass briquette machine is the mold. The quality and state of the mold directly affect the forming effect, production efficiency and service life of the equipment. In the process of long-term use, due to the high temperature and high pressure working environment, the surface of the mold is prone to wear, adhesion accumulation or oxidation, so it is particularly important to polish the mold regularly.

The importance of mold polishing

1. Improve the molding effect

The surface smoothness of mold is an important factor affecting the molding quality of biomass briquettes. If the surface of the mold is rough or there is dirt, it may lead to problems such as cracks, no forming or sticking to the mold during briquette making. Through polishing treatment, the smoothness of the mold surface can be restored, thus improving the quality of briquette making.

2. Extend the service life of the mold

The mold works in high temperature and high pressure environment for a long time, which is easy to be worn and corroded. Regular polishing can not only remove surface attachments, but also reduce the damage of friction and thermal stress to the mold, thus prolonging its service life.

3. Improve production efficiency

A clean and smooth mold can reduce the resistance in the process of briquette making and improve the speed of raw materials passing through the mold. This can not only improve the production efficiency, but also reduce the energy consumption of equipment.

Method of mold polishing

1. Mechanical polishing

Mechanical polishing is the most common way, usually using sandpaper or polishing machine to polish the mold surface. According to the wear condition of the mold surface, sandpaper with different thickness can be selected to grind gradually until the surface is smooth.

2. Chemical polishing

Chemical polishing is to use chemical reagents to dissolve the oxides and dirt on the surface of the mold, so as to achieve the effect of cleaning and polishing. This method is suitable for dealing with parts with complex shapes or difficult to reach with mechanical equipment.

3. Ultrasonic cleaning

For some precision molds, ultrasonic cleaning combined with micro-powder suspension can be used for polishing. This method can deeply clean the mold and avoid the tiny scratches that may be caused by mechanical polishing.

Matters need attention

When polishing the mold of biomass briquette machine, the following points should be paid attention to:

-Clean the mold thoroughly before polishing to ensure that there is no impurity residue;

-Choose appropriate polishing tools and methods according to the mold material to avoid damaging the mold;

-Apply antirust oil in time after polishing to prevent the surface of the mold from being oxidized again.

In a word, polishing the mold of biomass briquette machine regularly can not only ensure the normal operation of the equipment, but also improve the production efficiency and product quality, which is an important link that can not be ignored in daily maintenance.