1. What is steam boiler?
Answer: Steam boiler is a steam generator producing steam at high pressure than atmosphere
Figure 1.1 : Steam Generator
2. What is temperature?
Answer: It is a measurement of heat energy level of hotness.
It is a measurement of Hotness / Heat Energy
Figure 1.2 : Temperature
3. What is pressure?
Answer: It is a measurement of force per units’ area.
Figure 1.3 : Pressure Gauge
4. What types of boiler?
a) Electric Steam Boiler
Capacity: 15 kg/hr to 500 kg/hr
Pressure: 7 barg to 10 barg
7 kg/cm2 to 10 kg/cm2
100 psig to 145 psig
Manufacture: Simon (Australia)
Fulton (USA)
Figure 1.4: Electric Steam Boiler
Capacity: 1000 PPH – 60000 PHH
Manufacture: Mechmar Titan Boiler
IBAC Robey Boilers
Maxitherm
Figure 1.5: Fire Tube Boiler
c) Water Tube Boiler – liquid fuel and solid fuel
Capacity: 200 kg/hr – 60000 kg/hr
Manufacture: Fraser I
Fraser II (1993-1994)
Bi Drum
Figure 1.6: Water Tube Boiler
5. What types of pass in Fire Tube Boiler?
a) Two (2) pass fire tube boiler.
Figure 1.7: Two Pass Reverse Flame Fire Tube Boiler
b) Three (3) Pass Fire Tube Boiler
Figure 1.8: Three Pass Fire Tube Boiler
6. What are other types of boiler?
a) Combine Boiler (Water Tube – Fire Tube Combination Boiler)
Figure 1.9: Combine Boiler
b) Water Tube Boiler (Bi-Drum)
Figure 1.10: Bi-Drum Water Tube Boiler
Figure 1.11: Principal of Bi-Drum Boiler
c) Tubeless Boiler
Figure 1.12: Tubeless Boiler
