Air Blower Pipe Size Calculation No
Description
1 2 3 4
Cell ell 5 Cell ell 6 Cell ell 7 Cell ell 8 Total
a a Design a )%T de&and per Capacit< o! de&and per :N&'(; di!!$ser di!!$sers di!!$ser 19.01 5120 20.0 4,867 19.01 5120 20.0 4,867 18.93 4480 20.0 4,240 18.80 2720 20.0 2,557 17,440 16,531
We design te !lo"rate re#$ired !or D% stes points C$rrent D% )et *oints re#$ired+20C -
No
20,000 17,440
Nos. o! Di!!$ser :nos;
*ercentage o! air cons$&ption to te cells
1 Co&&on ain eader 2 Di D istri$tion eader to Cell 8 3 Co&&on Co&&on eader eader a!ter a!ter cell 8
136
4 Di D istri$tion eader to Cell 7 5 Co&&on Co&&on eader eader a!ter a!ter cell 7 6 Di D istri$tion eader to Cell 6
Description
7 Co&&on Co&&on eader eader a!ter a!ter cell 6 8 Di D istri$tion eader to Cell 5 Total Air Blower Pipe Sizing Calculation Common main header
N&'(r N&'(r e#$ired o! D% )et *oint:&'(r;
a. air!lo" per di!!$ser :N&'(r;
e#$ired &a ir !lo" rate:&'(r;
10 ti&es o! re#$ired D% set points :&'(r;
Calc$lated pipe si=e:&&;
15.60
2,720
17,440
1000
20
2,720
2,720 14,720
224
25.69
4,480
1000
20
4,480
4,480
256
29.36
20
5,120
10,240 5,120
1000
5,120
256 872
29.36 100
5,120 5,120 14,720
20
5,120 17,440
300 300
5,120
e&ar/s
eisting pipe
Part 1 1 ir !lo" 2 Di!!$ser s$&ergence
20000 &3(r 4.77 &
3 Di!!$ser *ress$re oss
0.041 /*a
4 &ient Te&perat$re Te&perat$re 5 eat ain tr$ lo"er
40 deg C 70 deg C
eat loss in &ains
10 deg C
!
20000
101.3 149.041
373 313
20000
0.679678746
1.192
Actual Air "low #
11$$
m3%hr
7 &ient *ress$re
101.3 /*a
Part 2 &ecommended 'elocitie( ain eader
) 10
&(s
Distri$tion eader Droppers(>one eaders
10 ) 15 15 ) 25
&(s &(s
Common -eader ater Cell ! Part 1 1 ir !lo" 2 Di!!$ser s$&ergence 3 Di!!$ser *ress$re oss 4 &ient Te&perat$re 5 eat ain tr$ lo"er eat loss in &ains 7 &ient *ress$re
14/720 4.77 0.041 40 70 10 101.3
&3(r & /*a deg C deg C deg C /*a
*i 10 *+
3.14159 1000
$ "low &ate
11$$ m3%hr
'elocit,
5.73 m%(
14720
101.3 149.041
373 313
14720
0.679678746
1.192
!
Actual Air "low #
11$23
m3%hr
Part 2 &ecommended 'elocitie( ain eader
) 10
&(s
Distri$tion eader Droppers(>one eaders
10 ) 15 15 ) 25
&(s &(s
Common -eader ater Cell 7 Part 1 1 ir !lo" 2 Di!!$ser s$&ergence 3 Di!!$ser *ress$re oss 4 &ient Te&perat$re 5 eat ain tr$ lo"er eat loss in &ains
*i 10 *+ $ "low &ate
11$23 m3%hr
'elocit,
4.22 m%(
10/240 &3(r 4.77 & 0.041 40 70 10
/*a deg C deg C deg C
3.14159 1000
!
10240
101.3 149.041
373 313
10240
0.679678746
1.192
Actual Air "low #
!2$4
m3%hr
7 &ient *ress$re
101.3 /*a
Part 2 &ecommended 'elocitie( ain eader
) 10
&(s
Distri$tion eader Droppers(>one eaders
10 ) 15 15 ) 25
&(s &(s
*i 10 *+
3.14159 1000
$ "low &ate 'elocit,
Common -eader ater Cell Part 1 1 ir !lo" 2 Di!!$ser s$&ergence 3 Di!!$ser *ress$re oss 4 &ient Te&perat$re 5 eat ain tr$ lo"er eat loss in &ains 7 &ient *ress$re
5/120 4.77 0.041 40 70 10 101.3
&3(r & /*a deg C deg C deg C /*a
!2$4 m3%hr 2.$3 m%(
5120
101.3 149.041
373 313
5120
0.679678746
1.192
!
Actual Air "low #
Part 2 &ecommended 'elocitie( ain eader
) 10
&(s
Distri$tion eader Droppers(>one eaders
10 ) 15 15 ) 25
&(s &(s
*i 10 *+ $ "low &ate 'elocit,
3.14159 300 4147 m3%hr 1.30 m%(
4147
m3%hr
$nder tis contract
eisting pipe
eisting pipe $nder tis contract r$er !leile ose 150
?
@
150
?
@
150 150
?
@
?
@
1000 600
1000
Blo"er 1
to cell 8
200
?
@
200 200
? ?
@
600
Blo"er 2
to cell 7
1000 600
@ 200
? @
Blo"er 3
Total ct$ated ?alAe 13 nos DN 150 4 nos DN 200 8 nos DN 300 1 No. Total Ter&al ass @lo"&eter13 nos DN 150 4 nos DN 200 8 Nos. DN 300 1 No.
?
@
200
?
@
200
?
@
200
?
@
1000
to cell 6
1000 200
?ct$ated B$tter!l< ?alAe @Ter&al ass @lo"&eter
200
300 ?
200
@
200
$nder tis contract 200 300
to cell 5
eisting pipe
