Lesson 3: Balancing

Question 1

It is the amount or volume of material throughput handled over a specific time period with a target specific quality or characteristic.

Answer 1

Capacity

Question 2

Three types of capacity (3)

Answer 2

1. Rated Capacity
2. Potential Capacity
3. Operating Capacity

Question 3

“nameplate” specifications, from the manufacturer

Answer 3

Rated capacity

Question 4

Total capacity of all installed equipment

Answer 4

Potential capacity

Question 5

All equipment simultaneously operating in a given run

Answer 5

Operating capacity

Question 6

Capacity standards (3)

Answer 6

1. Station or major equipment
2. Support or minor equipment
3. May or may not consider abnormal conditions

Question 7

Heaters: For normal forward heating and liming

Answer 7

5.25 m^2/tch

Question 8

Heaters: For fractional liming with double heating stages

Answer 8

1.25 m^2/tch

Question 9

Clarifiers: Multi-tray

Answer 9

2.4 m^3/tch

Question 10

Clarifiers: Trayless

Answer 10

0.65-0.92 m^3/tch

Question 11

Evaporators: Quadruple

Answer 11

28 (0.5 kg/cm^2; 7 psi)
24 (1 kg/cm^2; 14 psi)
22 (1.5 kg/cm^2; 21 psi)

Question 12

Evaporators: Quintuple

Answer 12

36 (0.5 kg/cm^2; 7 psi)
31 (1 kg/cm^2; 14 psi)
28 (1.5 kg/cm^2; 21 psi)

Question 13

Vacuum Pans: High-grade batch pans

Answer 13

1.0 m^3/tch

Question 14

Vacuum Pans: High-grade CVP

Answer 14

0.55 m^3/tch

Question 15

Vacuum Pans: Low-grade batch pans

Answer 15

0.62 m^3/tch

Question 16

Vacuum Pans: Low-grade CVP

Answer 16

0.33 m^3/tch

Question 17

Centrifugals: High-grade

Answer 17

0.1873 m^3/tch

Question 18

Centrifugals: Low-grade

Answer 18

0.0375 m^3/tch

Question 19

Boilers for steam generation

Answer 19

50-60% on cane

Question 20

Electricity generation (Turbo-generators): Without refinery

Answer 20

18-23 kW/tch

Question 21

Electricity generation (Turbo-generators): With refinery

Answer 21

18-28 kW/tch

Question 22

Limiting capacity principle

Answer 22

Lowest Hole in the Barrel Principle