15
Jul.
31, 2025
17
Jul.
31, 2025
How many filtration types of phosphate slag produced in phosphate production?
Principle: use gravity to make the phosphating slag natural precipitation at the bottom of the pool, the supernatant is discharged.
Applicable scene: slag volume is small, treatment requirements are not high occasions.
Advantages: low cost, simple operation.
Disadvantages: low efficiency, need to be left for a long time, slag water content is high.
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18
Jul.
31, 2025
How to control the concentration of pharmaceuticals through ampere-hour meter equipment
Through experiments to determine the amount of active ingredients in the drug solution consumed per unit of electricity (Ah) (such as g/Ah). Example:
For every 1000Ah consumed, 5L of concentrated phosphate solution needs to be replenished to maintain the concentration.
Proportioning factor (K):
K
=
Make-up volume (L or g)
Cumulative Ah
K=
Cumulative Ah
Make-up volume (L or g)
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19
Jul.
31, 2025
Difference between blower and induced draft fan in electroplating production
Equipment Core Role Application Scenario
Blower To force fresh air or process gas into the system - To provide oxygen for plating tanks (e.g. acid copper plating requires air agitation)
- Maintains positive pressure in the workshop and prevents the entry of external contaminants
Induced draft fan Extracts exhaust gases, acid mist or harmful gases from the system - Removes acid mist from plating ba
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20
Jul.
31, 2025
What are the bases commonly used in electroplating production?
In electroplating production, alkali (alkaline substance) is mainly used for oil removal, activation, plating solution pH adjustment, neutralisation treatment and so on. The following are the bases commonly used in the plating process and their functions, properties and precautions:
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