Article Contents

1. Introduction
2. Example 1
3. Examples 2 and 3
4. Lessons Learned
5. Other Improvements
6. Dragout Tank
7. Sprays
8. Counterflowing Sprays
9. The Bottom Line

Ten Minutes to Better Rinsing
(p. 8)

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Counterflowing Sprays

There are situations where it is impractical or impossible to increase the number of counterflowing rinses. It may be too expensive to expand the automated processing line to add counterflowing rinse stations. If, however, the type of work processed can be spray rinsed, then one rinse tank can be dedicated to counterflowing sprays. The technique can produce all the advantages of counterflowing immersion rinses while using only one rinse tank. A piece of off-line equipment delivers counterflow water to the rinse tank in the form of separate, progressively cleaner sprays. The equipment then collects the used spray water and returns it to the proper compartment in the spray equipment.

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