(1) Because the solvent recovery machine often handles different solvents, if it is not cleaned frequently, thick-layer residues can be stained in the barrel. If the residues in the recovery barrel are not cleaned thoroughly, the residues will accumulate thicker at high Heated state. The residue will be carbonized and the automatic shutdown time will be extended, causing the residue to overheat and smoke.

(2) The solvent recovery machine will also emit smoke when the temperature controller is set incorrectly. For example: the boiling point of a solvent is 56°C. If the shutdown temperature controller setting is higher or too close to 56°C. The machine will not automatically shut down. Continuous heating. The residue is overheated and smoke; the heating medium temperature is set too high will also cause the residue to overheat and smoke.

(3) The contact area between the gasket (drum lid seal ring) and the recovery drum is not cleaned, causing steam to go out. If there is a heat source around the steam, the solvent recovery machine will also emit smoke.

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