Simulation of the 200 MWe tonghae thermal power plant circulating fluidized bed combustor by using IEA-CFBC model

1999 ◽  
Vol 16 (5) ◽  
pp. 640-645 ◽  
Author(s):  
Jong-Min Lee ◽  
Jae-Sung Kim
Keyword(s):  
Power Plant ◽  
Fluidized Bed ◽  
Thermal Power Plant ◽  
Circulating Fluidized Bed ◽  
Thermal Power ◽  
Fluidized Bed Combustor

scholarly journals Cost Management of a CFBC Boiler in a Thermal Power Plant

2019 ◽  
Vol 8 (6S2) ◽  
pp. 883-887
Keyword(s):  
Power Plant ◽  
Fluidized Bed ◽  
Thermal Power Plant ◽  
Circulating Fluidized Bed ◽  
Thermal Power ◽  
Thermal Capacity ◽  
Fluidized Bed Combustion ◽  
Magnetic Separator ◽  
Power Stations ◽  
Bed Material

India, being the world's third most noteworthy power maker with all out exhibited purpose of containments of 344.69 GW, contributing 68% of thermal Capacity. Subsequently, Thermal power producing stations are basic. As an electrical architect, exceptional consideration ought to be taken to decrease coal utilization in Thermal power generating stations. In Thermal power producing stations, boilers utilized are Circulating Fluidized Bed Combustion (CFBC) and Atmospheric Fluidized Bed Combustion (AFBC). These boilers utilize bed material to keep up warmth in the boiler. 210MW and under 210 MW generators in the Thermal power producing stations are utilizing CFBC boilers. After a nearby examination of thermal power stations, it is discovered that the bed material including over 5% of engaging parts are open in the bed material which is horrendous. This happens where magnetic separator at the bed material stacking point is missing or far off. From this time forward it is proposed to introduce a magnetic separator at the bed material stacking point. With this establishment of magnetic separator hardware, boiler efficiency can be reached out to 2.1% more, to keep up the required temperature and to maintain a strategic distance from boiler stoppages. An endeavor has been made to perceive the usage required presenting attractive separator and it has been discovered that the reward period is obliged to roughly 1 to 2 years if the engaging sections in the bed material are 5%and 10% respectively. The Proposed issue is endeavored with MATLAB condition and cost examination of thermal power plant is separated and existing synthesis information. The test outcomes displayed that the proposed framework gives an attainable game-plan gigantic theory saves and liberal for consistent assignments.

An Investigation Into the Operation of the Twin-Exit Loop-Seal of a Circulating Fluidized Bed Boiler in a Thermal Power Plant and Its Design Implication

2009 ◽  
Vol 131 (4) ◽  
Author(s):  
Prabir Basu ◽  
Munish Chandel ◽  
James Butler ◽  
Animesh Dutta
Keyword(s):  
Power Plant ◽  
Fluidized Bed ◽  
Thermal Power Plant ◽  
Circulating Fluidized Bed ◽  
Thermal Power ◽  
Scale Model ◽  
Circulation Rate ◽  
Cfb Boiler ◽  
Solids Circulation Rate ◽  
New Findings

Loop-seal is a critical component of a circulating fluidized bed (CFB) boiler, and yet very little information on its working or design is available in published literature. Among the limited available information, none is on twin-exit loop-seal though it is one of the most commonly used loop-seal in large commercial CFB boilers. To circulate larger amounts of solids, a twin-exit loop-seal provides larger solids flow sections. It receives solids from one standpipe but delivers it through two recycle chambers and two delivery pipes. The present research was conducted in a twin-exit loop-seal of a 3.2 MWth CFB boiler operating in a thermal power plant for cofiring purpose. Data obtained in this industrial unit were supplemented with those collected in a single-exit bench-scale loop-seal in the authors’ laboratory from the single-exit loop-seal in a 65 t/h CFB boiler and a scale model of a 30 MW CFB boiler. The effect of recycle chamber’s aeration on the solids circulation rate was studied for several particle sizes. Results suggest that the total solids circulation rate does not increase proportionately with the increase in loop-seal discharge area provided by the twin-exit loop-seals. The linear horizontal velocities of solids and the minimum aeration in the recycle chambers are comparable to those measured in a single-exit loop-seal. The implication of these new findings on the design procedure of loop-seals is discussed.

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