DIFFERENCE BETWEEN AFBC AND CFBC BOILER PDF

Dear all, please tell me what is different between AFBC BOILER amp CFBC BOILER. Difference Between AFBC And CFBC Boilers. The CFBC boiler has more advantages than AFBC boiler. a. High efficiency. (fbc) boiler to heat the Water that is mixed with a refractory material. With warming water temperatures will produce refractory materials that will.

Author: Taur Taumuro
Country: Finland
Language: English (Spanish)
Genre: Technology
Published (Last): 14 December 2005
Pages: 256
PDF File Size: 14.80 Mb
ePub File Size: 3.99 Mb
ISBN: 794-5-41345-419-6
Downloads: 46675
Price: Free* [*Free Regsitration Required]
Uploader: Zulkijinn

In compared with under feeding system this is more reliable.

What is the Difference Between AFBC and CFBC Boiler

What is the function of cyclone in cfbc boiler? The water and steam circuit, the natural circulation of water and heat transfer surfaces are all the same in both the systems. There is the difference in the pressure of air beteen … furnace and return leg. In over b … ed system coal is carried by conveyer belt from bunker to spreader that’s time coal aafbc approx mm crushed.

Difference Between AFBC And CFBC Boilers–ZBG

Difference between hot cyclone and cold cyclone in cfbc? Differences between afbc and cfbc diffeernce For 3-pass boiler we … are used hot cyclone. Merge this question into. The steam comes out vertically. The total air for combustion and differencd balanced draught system is the same in both the systems. The technology is proven and is in use for nearly a century. Most of the coal fired power plants use the Pulverized Coal PC firing technology.

  CANCIDAS PACKAGE INSERT PDF

Generally the Phosphate dozing is done in the drum of the boiler.

Comparison of Circulating Fluidized Bed Boiler and Pulverized Coal Boiler

CFBC boiler operation procedure? To prevent this erosion a thin layer of refractory covers the lower half of the furnace, upper transition areas and the cyclone.

In reheater system we use hot cyclone to improve the efficiency of boiler. Now these days have some boiler have both feeding system.

Comparison of Circulating Fluidized Bed Boiler and Pulverized Coal Boiler

In under bed feeding coal size crushed approx mm which is throw from conveyer to combustion panel. This requires only a simple limestone storage and handling unit.

The furnace and the cyclones in the CFB boilers are subject to a lot of erosion due to the circulation of particles like ash and sand. Circulating fluidised bed combustion. The time energy and facility required to didference coal is much lesser than pulverizing coal.

  LEO BRAUDY AND MARSHALL COHEN FILM THEORY AND CRITICISM PDF

With warming water temperatures will produce refractory materials that will ignite the oil in the wa … ter. What is the purpose of phosphate dosing in AFBC boilers?

With warming water temperatures will produce refractory materials that will ignite the oil in the water. In a AFBC boiler a little more fluidized bedcombustor is added than a conventional sh … ell boiler.

Refractory materials are heated in water to take it. How do you lightup afbc boiler? Working of cfbc boiler? Fluidized beds suspend solid fuels on vertically blowing jets of ai … r during the combustion process. CFBC signifies “Chemical diffdrence circulating fluid-bed combustion,” and is often used in power plants.

This type of fuel feeding system accept over size of fuel also. What is afbc boiler? Fuel feeding in cfbc boilers?

In hot aand flue gas temperature is above ‘c. Would you like to merge this question into it? The key differences are listed below. PC firing utilises coal ground to a very fine powder sprayed into the furnace for combustion.