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About the washing process of row chair processing

About the washing process of row chair processing


The common washing process of row chair processing, the specific process needs to be understood by the corresponding manufacturer:
 
1. Spray with industrial tap water at room temperature for 0.5~1min to partially remove the degreasing liquid adhering to the surface of the workpiece.
 
The spray pressure is 0.08~0.12 MPa. In order to ensure that the expected results are achieved, the key inspection points of this station are:
 
1. Appropriate amount of supplemental water to reduce the concentration of washing liquid in the tank. The supplemental water comes from the overflow water of washing 2;
2. Check the PH value of the reflux tank every hour, and the PH should be controlled between 7-9.
 
2. Spray with industrial tap water at room temperature for 0.5~1min to basically remove the degreasing liquid adhering to the surface of the workpiece. And overflow into the washing tank to reduce the consumption of tap water.
        
The spray pressure is 0.08-0.12 MPa. In order to ensure that the expected results are achieved, the key points to be checked at this station:
 
1. Appropriate amount of supplemental water to reduce the concentration of the washing liquid in the tank, and the supplementary water comes from the spray water directly sprayed from tap water
2. Check the pH value of the water tank every hour, and the pH should be controlled between 7 and 7.5
3. The water film on the surface of the workpiece is required to be continuous, and no degreasing agent (surfactant) remains.
 
3. Spray with tap water at room temperature to remove all the degreasing liquid adhering to the surface of the workpiece. And return to the water washing 2 liquid tank to reduce the consumption of tap water. Spray pressure is 0.08-0.12 MPa

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