Role Of Boilers In Plant Operation

Role of Boilers in limit Operation ( locomote Generation)
A boiler is a closed vessel in which water low pressure is transformed into steam by the application of heat. In the boiler furnace, the chemical energy in the fuel is converted into heat, and it is the function of the boiler to transfer this heat to the contained water in the most efficient manner. The boiler should also be intentional to generate high quality steam for whole kit and caboodle make use of. A flow diagram for a typical boiler form is presented in Figure 12.l.
A boiler must be designed to absorb the maximum amount of heat released in the process of combustion. This heat is transferred to the boiler water through radiation, conduction and convection. The relative percentage of each is dependent upon the type of boiler, the designed heat transfer surface and the fuels.
FIGURE 12.1
Boiler Plant Flow Diagram

Types
Two principal types of boilers are employ for industrial applications:
1. Fire tube boiIers-Products of combustion rule out through the tubes, which are surrounded by water.
2. Water tube boilers- Products of combustion pass around the tubes containing water. The tubes are interconnected to common channels or headers and eventually to a steam outlet for distribution to the plant system.




Utilization
The boiler house or steam generation easiness within any given plant is frequently referred to as the heart. In the event this system shuts down for unexpected reasons or for plant turnaround, most processes within the plant will not be operable. For this reason, very conservative treatment measures are used in the boiler. Operating personnel can be backward to change treatment programs if the one currently in use is deemed successful. On the other hand, if a treatment program is colligate to a boiler failure, change usually comes quickly.
Steam Utilization
Steam is generated for the following plant uses:
1. Turbine drive for electric generating equipment, blowers and pumps
2. Process for compute contact with...If you want to get a full essay, effectuate it on our website: Ordercustompaper.com



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