Chapter: Mechanical and Electrical : Power Plant Engineering : Coal Based Thermal Power Plants

Classification of boilers

The steam boilers are classified according to the following conditions

Classification of boilers

The steam boilers are classified according to the following conditions

1. According to the relative position of water and hot gases

a. Fire tube boiler [Cochran Boiler]

b. Water tube boiler [ Babcock –Wilcox Boiler]

2. According to the axis of shell

a. Vertical boiler [Cochran Boiler]

b. Horizontal boiler [Lancashire Boiler]

3. According to the position of boiler

a. Internally fired boiler [ all fire tube boilers] [Cochran Boilers]

b. Externally fired boiler [ all water tube boilers] [Babcock and Wilcox Boilers]

4. According to the pressure developed

a. Low pressure boiler [Pressure less than 80 bar]

b. High pressure boiler [Pressure greater than 80 bar]

5. According to the method of water circulation

a. Natural circulation [all low pressure boilers] [ Cochran Boiler]

b. Forced circulation [all high pressure boilers] [ LaMont Boiler]

6. According to the use of the boiler

a. Stationary boiler [Cochran Boiler]

b. Mobile boiler [Locomotive Boiler]

7. According to the number of drums

a. Single Drum

b. Multi Drum

8. According to the nature of

draught a. Natural Draught

b. Forced Draught

Study Material, Lecturing Notes, Assignment, Reference, Wiki description explanation, brief detail

Mechanical and Electrical : Power Plant Engineering : Coal Based Thermal Power Plants : Classification of boilers |