Presented at National Boiler Workshop – Introduction to CFBC Boilers by Satyanarayana Senapathi, VP Anjani Steels. ISGEC – CFBC boilers are easy to operate. ISGEC CFBC boiler has high residence time, fly ash recirulation, high turbulence and electrostatic precipitator type. Y Cube Engineered Solutions Private Limited offering CFBC Boiler in Goregaon East, Mumbai, Maharashtra. Get contact details, address, map on Indiamart.

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Leave a Reply Cancel reply Enter your comment here Follow me on Twitter My Tweets. The hot gases from the cyclone pass to bpiler heat transfer surfaces and go out of the boiler. Hence the name Circulating Fluidized Bed combustion. Fill in your details below or click an icon to log in: This is one way of burning pulverised coal detils electricity generation plant. To find out more, including how to control cookies, see here: This bed material is fluidized by primary air a part of combustion air.

For high Sulphur coals Limestone addition to the bed material reduces SO 2 emissions.

Bellows provide air to the coal from the bottom of the bed. Ash spouts in the furnace remove the ash from the bottom of the furnace. Bed is where the coal or fuel spreads.


The coal combustion takes place in this suspended condition. Start up is by oil burners in the furnace.

How Circulating Fluidized Bed Boilers Work?

Do not waste Energy on steam leakage in boiler. Some portion is lost in the ash during the operation and this has to bboiler made-up. The fluidised action promotes complete coal combustion at relatively low temperatures, and provides a means to transfer combustion heat efficiently from the bed to the steam tubes.

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CFBC Boiler

CFBC uses crushed coal of 3 to 6 mm size. Menu Boildr to content About Contact. Nozzles in the furnace walls at various levels distribute the Combustion air in the furnace. Notify me of new comments via email.

Circulating Fluidized Bed combustion gives the flexibility to burn a wide range of fuels with optimum efficiency and reduced emissions. In the olden days blacksmiths used to heat the iron by placing fcbc on a bed of coal.

ISGEC | CFBC Boilers | Circulating Fluidised Bed Combustion Boilers

If You are looking industrial chimney for a boiler, then You will Call Us: At the bottom of the boiler furnace there is a bed of inert material. This returns to the furnace for recirculation. Fluidized Bed combustion is something similar to this.

This article boller explains these issues. At adequately high air speed, the bed acts as a fluid resulting in rapid mixing of the particles.

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In the cyclone the heavier particles separate from the gas and falls to detxils hopper of the cyclone.

Air supply is from under the bed at high pressure. You are commenting using your Facebook account. Email required Address never made public. The diagram below shows the schematic of a CFB boiler.

This requires only a crusher not a pulverizer. Fine particles of partly burned coal, ash and bed material are carried along with the flue gases to the upper areas of the furnace and then into a cyclone. Different boiler manufacturers adopt different methods of cyclone separationthe fluidizing nozzles etc. What are the advantages? It vfbc a process different from Pulverized Fuel where coal is milled to fine powder similar to talcum powder and fired. You are commenting using your WordPress.

The concentration cbc ash is dependent of coal ash mineral matter content and ash mineral matter goes along with flue gases out of the boiler.

How Circulating Fluidized Bed Boilers Work?

Blog Statshits. How does this technology work? Primary air fans provide the preheated Fluidizing air.