Ash Handling Ppt Ay-gu

7/25/2019 Ash Handling Ppt Ay-gu

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ASH HANDLING

SYSTEMBY : TEAM MECHANICAL

MAHAN SUPER THERMAL POWER PROJECT

1. PLOT PLAN.2. BASIC CONCEPTS OF ASH HANDLING.3. THE ASH HANDLING SYSTEM FOR MAHAN.

4. ANALYSIS OF ASH [MAHAN].. BOTTOM ASH HANDLING SYSTEM.!. FLY ASH HANDLING SYSTEM.". TECHNICAL DATAS.

#. ASH DISPOSAL SYSTEM.

PLOT PLAN

SITE O$ER $IEW% LOCATION

W&'( )* A*& H'+,-)+/

Ash Handling is the method of collecting, Storage and conveying ash

from various ash residue left over from the combustion of coal.

The types of ash include bottom ash and fly ash and resulting from the

combustion of coal. Ash handling systems may employ pneumatic ash

conveying or mechanical ash conveyors.

BASIC CONCEPTS

1. Conveying of BOTTO ASH from the furnace bottom hoppers to the

BOTTO ASH S!"O by SC#A$%# CHA!& CO&'%(O#S,C"!&)%#

*#!&+%# and B%"T CO&'%(O#S.

.#emoval of -ly Ash from %CO&O!S%#, A$H and %S$ HO$$%#S

by +%&S% $HAS% $&%AT!C S(ST%.

THE ASH HANDLING SYSTEM FOR MAHANPROJECT [20 ! MW]:

ANALYSIS OF ASH [MAHAN]

1.S)O2 !1.2

2.A-2O3 2!."2

3.F2O3 4.!

4.T)O2 1.""

.P2O .!2

!.M+O .3

".C'O 1

#.MO 1.#3

5.SO3 .#

A* 67 *68)98'()+* ;7< (8&+)8'- ,'('*&(.

COAL CONSUMPTION = UNIT 44! TPH.

OF ASH IN COAL 43 151."# TPH.

OF BOTTOM ASH 2 3#.4 OR 4 TPH.

OF FLY ASH # 13.3 TPH OR 14 TPH.

MODE OF OPERATION TIMER MODE > PROBE MODE.

NO. OF HOURS OF OPERATION OF FLY ASH IN A SHIFT OF # HRS ! HRS.

NO OF BOTTOM ASH SILO FOR EACH UNIT 1.

CAPACITY OF EACH BOTTOM ASH SILO "2 T.

NO OF FLY ASH SILO FOR EACH UNIT 3.

CAPACITY OF EACH FLY ASH SILO 1 T.

ASH HANDLING SYSTEM IN BRIEF :

OPERATING TIME FOR BOTTOM ASH E$ACUATION AND DISPOSAL SYSTEM ! H7*.

WATER RE?UIRED BY HCSD PUMP FOR DISPOSAL OF ASH 1! 8@.< = H7.

CAPACITY OF EACH HCSD PUMP 3# 8@.< = H7.

NUMBER OF ASH SLURRY PUMPS FOR EACH UNIT 32W1S

T& ((< '*& ;7<, 8<@*()+ ; 8'- )+ (& ;@7+'8 )-- ,)*8&'7, )+ ( ' ,7 ((< '*& &667. T& ((< '*&&667 *&'-- 7;7'8(7 -)+, '+, '(7 +-* '7 67),, ;78-)+ ; 7;7'8(7 -)+*. B((< '*& &667 '+, ;@7+'8 '7-8, '(7 *'-)+ '77'+<+(* .

S87'67 8&')+ 8+7*1W1S *&'-- 67),, - ((<'*& &667 ( (7'8( (& ((< '*& . T& *87'67 8&')+8+7* *&'-- 9((, )(& '(7 9--, (7@&* ( K@+8& (&((< '*& 8-)+7*. T& ((< '*& *&'-- ,)*8&'7,8+()+@@*- ;7< (& ((< '*& &667 ( *87'67 8&')+

BOTTOM ASH HANDLING SYSTEMBAH

CONTINUED

T& K@+8&, ((< '*& 8-)+7* ,)*8&'7, *87'67 8&')+8+7 *&'-- 87@*&, (& '**8)'(, 8-)+7 7)+,7 ( !<<*) ( +'- <) )(& '*& )+ <))+ ('+ ;7 &)& 8+8+(7'()+*-@77 ,)*6*'-.

B6'** 8&@( *&'-- 67),, ;7 ,)*8&'7)+ ((< '*& 8-)+7* +( 7@+, ;7 <'+@'- 8-'7'+8 &+7 (& 8-)+7 7)+,7 )* @( ; *7)8.

T& ((< '*& *&'-- (&+ 8+, ;7< 8-)+7 7)+,7 (((<

'*& *)- (&7@& *7)* ; -( 8+7* &')+ *6, ; 1<=*.

T&7 *&'-- O+ 1 ((< '*& *)- ; 8'6'8)( "2 T% ;7 '8& ;(& @+)(*. T& ((< '*& 8--8(, )+ (& *)- *&'-- )(&7,)*6*, (7@8* )(& (& &-6 ; )7'(7 ;,7 )+ ,7 ;7< 7@-, 8+, ( (&

')('()+ ('+ ;7 ( ,)*6*'- <))+ )( )(& '*&.

BOTTOM ASH SYSTEM

BOTTO ASH HO$$%#

SB%#*%+ SC#A$$%# CHA!& CO&'%(O#

C"!&)%# *#!&+%#

B%"T 1

B%"T /

BOTTO ASH S!"O

'!B#ATO#( -%%+%#

O$%& T#C)

'!B#ATO#( -%%+%# CO&'%(O# B%"T

ASH +!'%#T%#

!0!&* TA&)

S#*% HO$$%#

HCS+ $$

HCS+ $O&+

ASH AT%# "!&%

BOTTOM ASH SYSTEM FLOW DIAGRAM

BOTTOM ASH HOPPER

TECHNICAL SPECIFICATION OFBOTTOM ASH HOPPER

1.NO OF BAH 1 FOR EACH UNIT.2. TYPE W SHAPED.3. NO. OF O=L 2.4. DISTANCE BETWEEN TOP OF HOPPER AND OPERATING

WATER LE$EL 3 <<.. THICQNESS OF HOPPER PLATE 1 <<.!. FURNACE TEMP AT HOPPER I=L 1 C.".TYPE OF LINING MONOLITHIC CASTABLE REFRACTORY.#. HEIGHT OF HOPPER 315 <<.5. WIDTH 15!42 <<.

1. HOPPER O=L DIA 12 <<.11. HOPPER OUTER ANGLE 25.12. $OLUME 122 <3 .13. DENSITY OF B.A # Q=8@ <.14. STORING CAPACITY OF BOTTOM ASHHOPPER5".! TPH.

UBMERGED CHAIN CON$EYOR SYSTEMS

TECHNICAL SPECIFICATIONS

1. NO. OF SUBMERGED CHAIN CON$EYOR 2.2. TYPE CHAINPULLEY TYPE.3. TOTAL SPAN 2#3 <<.4. TOTAL LENGTH 31# <<.!. CAPACITY ! (6&". ASH O=L TEMP !# 8.

$IBRATING FEEDER

1. CAPACITY OF $IBRATING FEEDER ! TPH

2. THICQNESS OF FEEDER TROUGH 1

SUBMERGED CHAIN CON$EYOR SYSTEMS

BELT CON$EYOR

1.WIDTH OF BELT CON$EYOR ! <<.2. TROUGHING ANGLE 3.3. BELT SPEED 1 <=*.4. CAPACITY TPH.

CLINQER GRINDER

1. CAPACITY ! TPH BELOW SCRAPPER CHAIN.

2. NO. RE?URED 4 [2 FOR EACH SYS]

3. LOCATION BELOW SCRAPPER CHAINCON$EYOR.

4. MAX O=P SIE PERMISSIBLE !<<.

. MATERIAL OF CONSTRUCTION CHROMIUM MOLYBDENUM $ANADIUM COMPOUND.

!. MATERIAL OF ROLLER MANGANESE STEEL.

BOTTOM ASH SILO

NO OF BOTTOM ASH SILO : 1 FOR EACH UNIT.

CAPACITY : "2 T.HEIGHT 1.5 <(.

CON$EYOR DETAILS

F- A*& H'+,-)+ S*(<D+* P&'* P7**@7 P+@<'()8 S*(<

T& '*& 8--8(, '( (& ESP &667* *&'-- 7')( ;, )+( I+,)),@'- (7'+*<)((7 **-* 67),,- '8& &667. O+ )+)()'()+ O; '*& 8--8()+**(<% (& )+-( '- *&'-- 6+ '+, '-- (& '*&( ;, )+( (& (7'+*<)((7 **- ;7 67 ,(7<)+,

()< ';(7 &)8& (& )+-( '- *&'-- 8-* (&7@&6+@<'()8 67**@7 ! ( " =8<2 . A;(7'7,*% (&8+)+ 8<67**, ')7 ).. - ')7 67**@7 3 ( 4=8<2 *&'-- '--, ( )+( (& (7'+*<)((7**- 6+)+ (& ')7 )+-( '-.

O+8 (& ,*)7, 8+)+ 67**@7 )* 7'8&,)+*), (& **-% (& '*& *&'-- 8+, ( (&7*68() I+(7<,)'( *@7 &667. F7< &7 '*& )-- 8+, ( (& '*&*)- )(& (& &-6 ; 8<67**, ')7 (&7@& (7'+*67(

6)6)+.

FLY ASH FLOW DIAGRAM

%CO&O!S%#

A!# $#%2H%AT%#

!SH -"( ASH S!"O

+#( &"OA+!&* CHT%

C"OS%+ T#C)

ASH CO&+!T!O&%#

O$%& T#C)

$A++"% !0T#%

!0!&* TA&)

S#*% HO$$%#

HCS+ $$HCS+ $O&+ ASH AT%# "!&%

+%&S%'%(O#

-"( ASH -"O +*

-"( ASH

-ly Ash Handling System

T& 7K@)7<+( ; 8<67**, ')7 ;7 8+)+ '*&;7< (& (7'+*<)((7* ( (& *(7' *)- )-- <( ;@74 *6'7'( 8+(7);@'- 8<67**7*% + 1 7)+ ;7'8& @+)( @+,7 +7<'- 67'()+ 8+,)()+* '+, ( 2

7)+ ;7 '8& @+)( @+,7 <7+8 8+,)()+*.

I( )* 8+*),7, (&'( '*& &'+,-)+ **(< ; '+ + @+)()-- )+ <7+8 67'()+ &)- (&'( ; (&7 @+)( )-- )+ +7<'- 67'()+.

COMPRESSED AIR SYS

+%&S%'%(O# S(ST%

I+(7<,)'( S@7 H667

T '*& *@7 &667* '8& ; # (++* 8'6'8)( @-, 67),, ;7 '8& U+)( + '77'+, +( ( '8& (&7 ( +'-*(7)+ ; '*&.

T& )+(7<,)'( *@7 &667 &'* + 67),, ( 7,@8 (&+@<7 ; '*& 8+)+ -)+ ,)*8&'7)+ '*& ( *)- '+, '-* (67), )+(7<,)'( *(7' ; '*& ;7 <')+(+'+8 6@76*.

S(7' > D)*6*'- O; F- A*& F7<S)-

T& ,7 '*& 8--8(, )+ '*& *)-* *&'-- @+-',, )+ 6+(7@8* (&7@& '*& 8+,)()+7 67),, - '8& *)-.

E'8& *)- *&'-- 67),, )(& F@7 4 @(-(* ; &)8& (@(-(**&'-- ;7 (7@8 -',)+ ,7 '+, ( (6 -',)+ '+, (&7

@(-( *&'-- 67),, )(& '*& 8+,)()+7 ;7 8+)+ '*& ( ')('()+ ('+ '+, (& (&7 )-- 67),, ;7 ;@(@7 @*.

CAPACITY OF ASH CONDITIONER 12 TPHNO OF ASH CONDITIONERS 1 FOR EACH FLY ASH SILO

ASH CONDITIONER

NO OF HOPPER !.

TOTAL ASH COLLECTION IN ! NO OF HOPPERS 5! QG=HR.

ASH CON$EYING = CYCLE OF # HRS GENERATION TO BE E$ACUATED IN !.4 HRS 12 QG= HR

DESIGNED ASH CON$EYING RATE CONSIDERED BELOW ECO HOPPER 1! QG = HR

ASH CON$EYING RATE = HOPPER BELOW ECO HOPPER 2!!!.!" QG = HR.

NO OF CYCLES 1.

ASH CON$EYED = CYCLE 2!!!.!!=1 1"".""# QG= HR.

ECO HOPPER ASH COLLECTION

TOTAL NO OF APH HOPPERS 4.

TOTAL ASH GENERATION IN 4 HOPPERS 5! QG=HR.

ASH CON$EYING RATE IN TOTAL # HRS GENERATION TO BE E$ACUATED IN !.4 HRS 12 QG=HR.

DESIGNED ASH CON$EYING RATE 1! QG=HR.

ASH CON$EYING RATE = HOPPER 4 QG=HR.

NO OF CYCLE 1.

ASH CON$EYED = CYCLE 4=1 2!!.!" QG=HR.

APH ASH HOPPERS

ASH COLLECTION BELOW 1 ST > 2 ND FIELD OF ESP HOPPERS.

ASH COLLECTION RATE= HOPPER IN FIRST FIELD 1!33 QG=HR.

TOTAL COLLECTION POINT IN THE FIRST FIELD #.

TOTAL ASH COLLECTION IN # HOPPERS 13!4 QG=HR.

ASH CON$EYING RATE IN TOTAL CONSIDERING # HRS GENERATION TO BE E$ACUATED IN ! HRS 1"333 QG=HR.

DESIGNED ASH CON$EYING RATE CONSIDERED FOR FIRST FIELD 224 QG=HR.

ASH CON$EYING RATE = HOPPER IN 1ST FIELD 2# QG=HR.

NO OF CYCLES 1.

ASH CON$EYED = CYCLE 2#=1 1#!!.!" QG=HR.

ASH COLLECTION BELOW 1 ST > 2 ND FIELD OF ESPHOPPERS

ASH COLLECTION RATE = HOPPER IN THIRD FIELD ! QG =HR.

TOTAL COLLECTION POINT IN THE FIELD #.

TOTAL COLLECTION IN # HOPPERS 2 QG=HR.

ASH CON$EYING RATE IN TOTAL # HRS GENERATION TO BE E$ACUATED IN !.4 HRS !##"

QG=HR.

DESIGNED ASH CON$EYING RATE IN THE FIELD 1! QG=HR.

ASH CON$EYING RATE = HOPPER IN THE FIELD 2 QG=HR.

NO OF CYCLE 1.

ASH CON$EYED =CYCLE 2=1 133.33 QG=HR.

ASH COLLECTION BELOW THIRD FIELD OF ESP HOPPER

ASH +!S$OSA"

Ash Handling Ppt Ay-gu

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