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A fluidized bed boiler is a type of industrial boiler that uses a fluidized bed of solid particles, typically sand or ash, to combust fuel efficiently at lower temperatures. The process involves blowing air through the bed, causing the solids to behave like a fluid, which enhances heat transfer and combustion efficiency. There are two main types of fluidized bed boilers: bubbling fluidized bed (BFB) boilers, where the bed bubbles up due to air flow, and circulating fluidized bed (CFB) boilers, where particles are continuously circulated through the system for better combustion and heat transfer. Both types are known for their ability to burn a wide variety of fuels, including biomass and waste materials, with reduced emissions.
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What is circulating fluidized bed boiler?
A circulating fluidized bed boiler helps to hold fuels in a solid states in upwards air jets when combustion occurs. This creates a mixture of unstable solids and gasses, which can promote chemical processing.
What is the difference in Boiler efficiency between CFBC Boiler and PF Boiler while firing powdery coal -50 percent less than 5 mm size?
Cfbc stands for circulating fludised bed combustion where as afbc is for atmospheric fluidise bed combustion afbc bed fluidising velocity is approx 4 m/s and in cfbc boiler fluidising velocity is 9-10 m/s. cfbc having low SOx & NOx comparative with afbc cfbc having higher efficiency up to 98.5 % then afbc boiler,cfbc boiler power consumption is more comparative to afbc.
What is the purpose of wall seal blower in cfbc boiler?
The wall seal blower in a Circulating Fluidized Bed Combustion (CFBC) boiler serves to maintain a proper seal between the combustion chamber and the external environment. By creating a slight negative pressure, it prevents the escape of flue gases and ensures efficient combustion by maintaining the required airflow. Additionally, it helps to enhance the overall efficiency of the boiler by optimizing the circulation of the bed material and improving the combustion process.
What causes clinker formation in boiler?
Clinkers, also known as slag, consist of the noncombustible elements and minerals found in coal that melt and fuse together as lumpy ashes from coal combustion. Boiler operators consider clinkers to be miserable stuff
What is well stream fluid?
well stream fluid is a term used in oil field engineering.lets consider about the offshore oil field. If the oil reservoir is there beneath the sea bed, then the seabed is drilled and then the pipes are inserted through the drilled sea bed. the fluid (in liquid form because natural gas comes out first) obtained when the pipe reaches the oil reservoir is called as the well stream fluid.
What is afbc boiler?
Atmospheric Fluidized Bed Combustion Boiler (AFBC boiler) is a type of operational boiler. In a AFBC boiler a little more fluidized bed combustor is added than a conventional shell boiler.
How do you get the queen ant out of an ant bed?
On the lighter sideBy serving her breakfast in bed and spilling the orange juice.
What is the meaning of cfbc boiler?
The boiler in which fluidisation and combustion is done in the bed with the help of (pa,sa&ta)air and ash(un burnt particle) is re-used through cyclone and siphone to the bed is called cfbc boiler.
Cfbc boiler full form?
Circulating fluidised bed combustion
What is afbc boiler full form?
atmospheric fluidized bed combustion
What is circulating fluidized bed boiler?
A circulating fluidized bed boiler helps to hold fuels in a solid states in upwards air jets when combustion occurs. This creates a mixture of unstable solids and gasses, which can promote chemical processing.
Can you list all wingless insects you know?
ant, bed bugs
What is the difference in Boiler efficiency between CFBC Boiler and PF Boiler while firing powdery coal -50 percent less than 5 mm size?
Cfbc stands for circulating fludised bed combustion where as afbc is for atmospheric fluidise bed combustion afbc bed fluidising velocity is approx 4 m/s and in cfbc boiler fluidising velocity is 9-10 m/s. cfbc having low SOx & NOx comparative with afbc cfbc having higher efficiency up to 98.5 % then afbc boiler,cfbc boiler power consumption is more comparative to afbc.
What is the composition of the bed material which is used in thermal boiler?
The bed material used in a thermal boiler typically consists of sand, limestone, and ash. Sand helps to support and distribute the fuel evenly within the combustion chamber, while limestone helps to capture sulfur emissions. Ash is the residue left behind after combustion.
How do bed bug marks look?
They look very similar to ant bites, but particularly smaller.
What types of rocks lay in a bed?
River bed rocks
What is the inch long colored bug in your flower bed that looks like a big 4 legged ant but is not a ant?
Cow killer. Its a wingless wasp that looks like a huge red ant, may not always be red. But most of the time is.
