Weighing and pre-mixing of complete powder equipment production line

Weighing is one of the most critical processes in powder coating manufacturing. The selection of weighing equipment and the accuracy of weighing process are important factors to determine the accuracy of the formula and the quality of powder coating products.

Therefore, it must be based on the quality of the material in the formula, choose the appropriate amount of measuring tools for weighing, Yantai complete powder equipment production line manufacturers recommend the use of electronic scales that are convenient to weigh, if possible, in the weighing process should be reviewed.

In order to facilitate in weighing and feeding, the large amount of resin and titanium white. Powder, barium sulfate and other raw materials, after reviewing the quality of the whole package of materials, the whole package can be fed into the whole package, and the remaining bits are weighed.

The weighed material is pre-mixed, and the equipment used in the pre-mixing is generally high-speed mixer and automatic mixer. The advantages of high-speed mixer are simple equipment, low price and convenient use; The disadvantage is that the equipment is fixed in one place and cannot be moved at will, the bottom of the tank is not convenient to clean, and the color change is slightly troublesome.

The advantage of automatic mixer is that the equipment has a high degree of automation, the cleaning and color change is convenient than the high-speed mixer, the equipment can be moved, and it can be used for multiple extrusion equipment; The disadvantage is that the equipment is not convenient to move, the price is high, and the investment is large.

When using pre-mixing equipment, pay attention to the following issues:

(1) Carefully check the sealing condition of the equipment, especially the motor rotating shaft and other parts, and timely eliminate the blockage or bonding problems of the materials in the sealing and connecting parts.

(2) Carefully clean the equipment to prevent interference and pollution of new materials.

(3) According to the material situation, select the crushing time and mixing time.

(4) In order to make the material mixed evenly, the materials with large particles such as epoxy and polyester resin are pre-crushed.

(5) For the same formula, the order of materials each feeding should be consistent, the mixing time is also fixed, and the materials such as pigments and auxiliaries in the formula should be avoided in the core part of the mixing shaft, and should be placed on the edge of the tank as far as possible to make the materials dispersed more evenly when mixing and dispersing.

(6) In order to mix the material evenly, in principle, the amount of feed should not exceed 80% of the capacity of the mixing tank.

From the safety and health considerations, the mixing tank should be installed above the exhaust equipment, in the dosing and mixing in time to eliminate the dust generated. ‍

Yantai complete powder equipment production line manufacturers to introduce these for you, I hope to help you.