FLUIDIZED BED GASIFICATION
#1

PRESENTED BY:
MURALI KRISHNAN.M

[attachment=10952]
FLUIDIZED BED GASIFICATION
INTRODUCTION

 GASIFICATION
 FLUIDIZED BED???
 GRANULAR SAND LIKEMATERIAL+FUEL IS FLUIDIZED BY UPWARD PASSAGE OF AIR
 MOST SUITABLE METHOD FOR GASIFICATION OF COAL AND OTHER FUELS & BIOMASS
FLUIDIZED BED TECHNOLOGY
FUEL IS FED IN TO THE SAND BED (PRE HEATED-1200 deg F)
AIR IS FORCED THROUGH BOTTOM
SAND BED TAKES ON A FLUID LIKE CHARACTER
BED IS VIOLENTLY MIXED&AGITATED
TEMP-1400-1700 deg F
THIS IS FLUIDIZED BED
FLUIDIZATION???
THE FLUIDIZATION OCCURS WHEN THE DRAG FORCE ON THE PARTICLES IN THE BED DUE TO THE UPWARD FLOWING GAS JUST EQUALS THE WEIGHT OF THE BED
TYPES
BUBBLING FB-:
LOW FLUIDIZATION VELOCITY
70-90% OF SULPHUR REMOVEL
CIRCULATING FB-:
HIGH VELOCITY
90-95% OF SULPHUR REMOVEL FROM COAL
FLUIDIZED BED COMBUSTION
COMBUSTION TECHNOLOGY USED IN POWER PLANTS.
FLUIDIZED BEDS SUSPEND SOLID FUELS ON UPWARD-BLOWING JETS OF AIR DURING THE COMBUSTION PROCESS.
TUBULENT MIXING OF GAS&SOLID FUELS
THUMBLING ACTION PROVIDES MORE EFFECTIVE CHEMICAL REACTION &HEAT TRANSFER
TYPES OF FBC
FBC

PFBC
ADVANCED PFBC
GFBCC (GASIFICATION FLUIDIZED
BED COMBUSTION COMBINED CYCLE)
CHIPPS (COMBUSTION BASED HIGH
PERFORMANCE POWER SYSTEM)
FLUIDIZED BED GASIFICATION
COAL OR SOLID/LIQUID WASTES ARE
INJECTED IN TO THE BED
AIR IS FORCED UPWARDS THROUGH NOZZLES
FLUIDIZATION OCCURS WHEN,DRAG FORCE ON THE SAND
BED DUE TO FORCED AIR = WEIGHT OF THE BED
TUBULENT MIXING OF PARTICLE (SAND+FUEL+AIR)
THUMBLING ACTION PROVIDES MORE EFFECTIVE CHEMICAL
REACTION&HEAT TRANSFER
FUELS QUICKLY DECOMPOSED TO FLUE GASES (COMBUSTIBLE GAS)
LARGE ASH PARTICLE ARE REMOVED BY PRECLEANER
AFTER CLEANING FLUE GAS IS USED FOR POWER GENERATION
Ex: STEAM TURBINE,GAS TURBINE etc…
Reply

Important Note..!

If you are not satisfied with above reply ,..Please

ASK HERE

So that we will collect data for you and will made reply to the request....OR try below "QUICK REPLY" box to add a reply to this page
Popular Searches: plasma arc gasification, how do testing load in bed, burdwan university bed, bed result from lucknow university, design of circuit diagram of microcontroller for temperature control of gasification, bunk bed university, kj somaiya college for bed,

[-]
Quick Reply
Message
Type your reply to this message here.

Image Verification
Please enter the text contained within the image into the text box below it. This process is used to prevent automated spam bots.
Image Verification
(case insensitive)

Possibly Related Threads...
Thread Author Replies Views Last Post
  pressurized fluidized bed summer project pal 1 1,491 14-01-2011, 11:52 PM
Last Post: summer project pal
  Modeling Mechanical Systems using Virtual Test Bed full report project report tiger 0 1,542 15-02-2010, 01:06 PM
Last Post: project report tiger

Forum Jump: