Steam (Thermal) power Plant
A steam power plant, also known as thermal power plant, is using steam as working fluid. Steam is produced in a boiler using coal as fuel and is used to…
Hazardous Area Classification
Area Classification The type of protective technique selected and the level of protection it must provide depend upon the potential hazard caused by using electrical apparatus in a location where…
HRSG Duct Burner – Combustion Air
Combustion Air and Turbine Exhaust Gas Temperature and Composition Oxygen used for supplementary firing in HRSG co-generation applications is provided by the residual in the turbine exhaust gas instead of…
Igniter Classification
Igniter: A permanently installed device that provides proven ignition energy to light off the main burner. Class 1 Igniter. An igniter that is applied to ignite the fuel input through…
ASH SCREW COOLER
1.1. Bottom Ash Ash is discharge from the bottom of the combustor to maintain the required inventory. Higher bed pressure drop as an indication of accumulation of over sizeparticle-mostly stones, shale, and agglomerated…
DESIGN OF HEATING SURFACES
The first step in the design of heating surfaces is determining the heat duties of different components of the boiler heating surfaces. Atypical boiler would use the following four types…
PRINCIPLE OF CIRCULATION
1. Principles of Circulation Subcooled FW enters the drum, mixes with the circulating boiler water, and attains saturation temperature instantly, as the boiling, circulating water is several times the incoming…
Boiler Feedwater Pump Balancing Line
Due to pressure difference across the pump there is always thrust on the rotor toward suction side of pump due to fluid. Therefore, there balancing system is required. Balancing drum…
Boiler Design Step
STEP-1 Received data from customer Steam output, feedwater inlet Fuel analysis, boiler type Power plant heat balance STEP-2 Boiler Thermal Sizing: Combustion, efficiency, steam output calculation, Furnace, Back pass &…
