CHAPTER 1: INTRODUCTION TO BOILER

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