Table of Contents
What is the difference between Afbc and CFBC boiler?
AFBC means atmospheric fluidized bed combustion, where the furnace pressure is atmospheric pressure. CFBC boiler stands for circulating fluidized bed combustion boiler, the furnace is pressurised and the furnace gas is recirculated to capture the unburnt carbon, to increase the thermal efficiency of the boiler.
Why it is called as Afbc boiler?
Atmospheric Fluidized Bed Combustion System (AFBC) Atmospheric Fluidized bed combustion boilers are most common and simple FBC boiler where combustion takes place at layer of sand or sand like material. Bubbling of sand bed is created with the help of fluidizing air of velocity 1.2-3.7 m/sec.
What is the meaning of Afbc?
Acronym. Definition. AFBC. Atmospheric Fluidized-Bed Combustion (power generation, associated with coal-fired power plants)
How does a CFBC boiler work?
A circulating fluidized bed (CFB) boiler features higher gas velocity (superficial flow velocity) in the furnace (combustor) compared with a bubbling fluidized bed (BFB) boiler. The boiler activates a mixture of particles and gas to improve combustion reaction.
What is CFBC boiler details?
The Circulating Fluidized Bed Combustion(CFBC) boiler is the most advanced steam generatortechnology. Among many distinguishable advantages of CFBC boilers, itachievesvery low NOx and Sox emission by capturing sulfur contents of the fuel during the burning process.
What does CFBC stand for?
CFBC
| Acronym | Definition |
|---|---|
| CFBC | Circulating Fluidized Bed Combustion |
| CFBC | Childfree by Choice |
| CFBC | Champion Forest Baptist Church (Houston, TX) |
| CFBC | Cross Florida Barge Canal |
What is the major disadvantage of the Benson boiler?
Explanation: The major disadvantage of the Benson boiler is that when water transforms into steam in the convective section of the evaporator, salts are deposited in the transformation zone.
What is the major advantage of the Benson boiler?
Advantages of Benson Boiler The cost of the boiler is low because there is no water and steam drum. There is no pressure limit, therefore supercritical pressure may be used. The high pressure avoids the bubble formation in the tubes which increases the heat transfer rate. It is a lightweight boiler.
What is IR CFBC boiler?
Internal Recirculation – Circulating Fluidised Bed Combustion (IR – CFBC) The boiler with its simplified, cost-effective and efficient design provides improved performance.
What is the major disadvantage of the Benson boilers?
What is the major advantages of the Benson boiler?
How many drums does a Benson boiler have?
So, We can say that the Bonson boiler contains zero number of a water drum. Water circulates inside the tube which surrounded by hot flue gases.
What is afafbc boiler?
Afbc is air fluidized bed combustion boiler . this type of boiler the bed is having pa ( primary air nozzles) through which air passes and burn the fuel which is present on the bed . basically light density fuel is used for this type of boiler.
What is AfBC and CFBC?
AFBC (Atmospheric Fluidized Bed Combustion) : Comparatively lesser residence time, turbulence and lower combustion efficiency and lower desulfurization. CFBC (Circulating Fluidized Bed Combustion) : higher residence time, turbulence and combustion efficiency.
What is the use of fly ash in a FBC boiler?
The fly ash of the FBC boiler is more than other boilers. The combustion efficiency can be increased by utilizing the fly ash in some units. It is happening because the speed of the particle is very high. The fly ash travels with the flue gases, which is taken out at various stages from the FBC unit.
What is fluidization bed combustion in a boiler?
In afbc boiler fluidization bed combustion is method of burning of solids fuel in which the fuel is continuous fed into hot fluidized bed of inert bed material. Inert fluidized bed is heated to the ignition temperature of fuel and fuel is supplied continuously into the bed.