Screening / Sizing

Quiz

1. Crushers produce the material, but what do screens do?

2. What is the industry's rule of thumb for depth of bed?

3. What are the main obstacles to efficient screening?

4. What type of screen became a real solution to eliminate serious blinding and pegging problems on one or more screen decks?

5. What type of screen is the optimal choice for most producers?

6. How can screen media be described?

7. What choices are available for screen media material?

8. What type of screen is generally applied in wet applications?

9. What type of screens combine wire screens with rubber or urethane strips?

10. What screen is the best option if an operation has frequent media changeouts due to varying product specifications?

Quiz Answers

1. Separate the material

2. Depth of bed (in dry screening) should not exceed four times the opening size at the discharge end of the screen.

3. Plugging, blinding and carryover

4. Flex-mat-type screens

5. Incline screen

6. Mesh or screening surface applied to each deck of the vibrating screen

7. Wire cloth, perforated and flame-cut plate, polyurethane, rubber and hybrid media

8. Polyurethane

9. Hybrid screens

10. Wire cloth