this is the one of the best reserch done on the coal and its uses and its history...Full description
proximate analysis of coal and TGA analysis
Deskripsi lengkap
Cokinga Coal
astm coalFull description
SOP Coal Getting
coalFull description
Full description
coalFull description
Descripción completa
Full description
hakitFull description
hakitDeskripsi lengkap
1. Chimne Chimneyy Sizin Sizingg Calc Calcula ulatio tion n Sl. No 1 2 " +
Description No of Boilers connected
Units N
1
1
Kg/hr
177728
181228
!" / sec
#7$7%
#&$87
*fg
!" / sec
#7$7%
#&$87
,ce
! / sec
Flue Ga Gas Fl Flow ra rate/ bo boiler 'esign Flue Gas Flow rate for chi!ne( si)ing ,elocit( of Flue Gas considered at the to- of .hi!ne(
#
'ensit( of Flue gas
f
g/!"
%
'ensit( of a!bient air
a
g/!"
7
e!-erature of flue gases
f
8
nlet3duct centre line ele4ation
5ci
10
Fuel Flow rate / boiler
11
otal Fuel flow rate
12
ul-hur in Fuel b( 9t$:
1" 1+ 1# 1% 17
1* 1&
ha-e and i)e of the flue gas inlet duct ,elocit( of Flue Gas at the inlet of .hi!ne( ;se full 5eight of .hi!ne( E!ission rate of < 2 =*s > 2 x *f x 9/100:? @e6uired 5eight of .hi!ne( [ ! 1" # $% s&'.( )
Selecte+ eight of Chimney
@e6uired nside 'ia!eter at to- of .hi!ne( [D!$"%fg
/0ce&)
Data Performance Worst Coal Coal
o
Remarks
Excess air 20
18 0$8#+7
0$8+08 1$1+%
.
1+0
!
8$&
Kg / hr
2#81&
"0&%+
*f
Kg / hr
2#81&
"0&%+
9s
0$+"
0$#
!!x!!
20%0x1%"8
,ci
!/sec
1+
5
!
101$1
101$1
*s
Kg/hr
222
"0&$%+
5c
!
70$8
7 8 $2
5c
m
11'
11'
't
!
2$022
2$0#8
Fuel 6uantit( is considered with 1 blow down$
,s per -en+er
Sl. No
Description
2'
Selecte+ 3nsi+e Diameter at top of Chimney Pro5i+e+ 3nsi+e Diameter at 6ottom of Chimney
21
Units
Data Performance Worst Coal Coal
'ts
m
2.'4
2.'4
Dbs
m
4.78'
4.78'
Remarks
2.
Chimney Draft Calculation9
,
Chimney eight $m&
Dia. $m& : -ip
;< -emp.
;< %t=y
elocity
110
2$0%
1"&$70
#&$87
17$&7
10#
2$++7
1"&$71
#&$87
12$7+
100
2$%0%
1"&$7"
#&$87
11$2"
&"
%$2$81+
1"&$7#
#&$87
&$%"
87$01
"$02"
1"&$77
#&$87
8$"#
80$+1
"$2"2
1"&$7&
#&$87
7$"0
7"$81
"$++1
1"&$81
#&$87
%$++
%7$21
"$%+&
1"&$8"
#&$87
#$7"
%0$%1
"$8#8
1"&$8+
#&$87
#$12
#+$01
+$0%7
1"&$8%
#&$87
+$%1
,
Chimney eight $m&
Dia. $m& : -ip
;< -emp.
;< %t=y
elocity
+7$+1
+$27%
1"&$88
#&$87
+$17
+0$81
+$+8#
1"&$&0
#&$87
"$7&
"+$21
+$%&+
1"&$&2
#&$87
"$+%
27$%1
+$&0"
1"&$&+
#&$87
"$17
21$01 1+$+1
#$11
1"&$&% 1"&$&8
#&$87 #&$87
2$&2 2$%&
#$"2
7$81
>
tac effect
C
'raft Aosses 4erage nside 'ia!eter 'a4g:
i ii
4erage ,elocit( ,:
iii
Friction Aoss de:
i4
Exit Aoss d:
#$7&8 2%$17 !!9.
+$"1# ! +$0&% !/s
> nside 'ia!eter at to- of .hi!ne(C nside 'ia!eter at botto! of .hi!ne(:/2 > =Flue Gas Flow rate x + / "$1+ x 4erage nside 'ia!eterD2:?
1"$88# !!9.
> ,ce 2/2g:f
1+$0& !!9.
> Friction AossC Friction Aoss: >3 tac effectC otal 'raft Aoss in the .hi!ne(
4ii
.onsidered of tac effect
2"$##
4iii
ercentage 'raft 4ailable 8#$78
2$27
> 5c - 5ci : x a 3 f :
> 0$012 x 5,2/2g'a4g:f
312$08 !!9.
4i
#&$87
0$202 !!9.
otal 'raft Aoss in the .hi!ne( Net .hi!ne( Effect 3:4e sign for suction:
4
1+0$00
>0$& x tac effect >= tac effect 3 otal 'raft Aoss in the .hi!ne(:/ otal 'raft Aoss in the .hi!ne(? x 100
