The transformation process steps for paint drying process
removing the heat pump device of the original electric heating drying room, such as solar lamps, electric heating wires, electric heating furnaces and other devices. Disconnect the power before removing, handle it with care. After cleaning the site, install the base of the heat pump split machine, fix the outer unit of the heat pump split machine on the base, and then use fasteners to fix it. If the terrain is low, make the base slightly higher.
Investigate the specific size and location of the drying room in advance, and arrange the location of the indoor unit reasonably. The wind cabinet should be designed and produced in advance. The indoor unit consists of a fan and a condenser. The distribution and arrangement of air volume in the furniture drying room can be solved by rationally laying out the air ducts.
Paint drying process
After spraying, the paint should be leveled for 15-20 minutes before entering the drying room for drying.
The surface of the initially sprayed paint is undulating, and it is rich in volatile phenol with a strong flow. After a short period of time, the paint surface becomes smooth through micro-flow, which means “leveling”. The volatile phenol in the whole layer can be evenly distributed, and this process should keep long because it is the key to leveling. If it goes straight into the drying room under high temperature without leveling, the surface paint will be dried quickly.
When the leveled paint is to be dried, the drying mode should be adjusted from low-high mode to high-low mode. After leveling, although most of the volatile phenols in the whole layer of the paint can be volatilized, if it suddenly enters a high temperature environment, the paint surface will still be rapidly dried, which will block the volatilization of the internal volatile phenols, thus the paint film and the drying efficiency will be negatively influenced. If the paint is directly enters the low temperature environment, the heat will be wasted, and the rapid temperature change will cause strain on the paint film structure.
Precautions for paint drying
It must be processed in a dust-free oil room, and a fresh air purification system must be installed in the oil room workshop.
The temperature of the oil room should be strictly maintained within the range of 26℃-35℃. The temperature should not be too high. If the temperature is too high, the paint on the surface of the board will be blistered. The humidity should be maintained at 65-70% to avoid board crack.
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