BAB IV NERACA PANAS
Kapasitas pabrik : 30.000 ton tahun
:
jam 24
hari 1
hari 330
tahun 1
ton kg
1000 tahun
ton 30.000
× ×
×
: 3787,8788 kgjam Waktu operasi
: 330 hari tahun : 24 jam hari
Satuan operasi : kkal jam
Suhu referensi : 25
o
C
1. Tangki Pengencer H
2
SO
4
M-116
Neraca panas total : ∆H
1
+ ∆H
2
+ ∆H
P
= ∆H
3
+ Q
loss
Tabel 4.1 Neraca Panas Pada Tangki Pengencer H
2
SO
4
Panas masuk kkaljam Panas keluar kkaljam
∆H
1
: 5005,9400 ∆H
2
: 5859,9842 ∆H
P
: 49,3680 ∆H
3
: 51415,8246 Q
loss
: 519,3518
Total : 51935,1764 Total : 51935,1764
2. Heater H
2
SO
4
E-118
Neraca panas total : ∆H
1
+ Q = ∆H
2
+ Q
loss
∆H
P
Q
loss
∆H
3
∆H
2
∆H
1
T=30
o
C
T=30
o
C T=29,4203
o
C
Q ∆H
1
T
1
=30
o
C ∆H
2
T
2
=75
o
C Q
loss
Universitas Sumatera Utara
Tabel 4.2 Neraca Panas Pada Heater H
2
SO
4
Panas masuk kkaljam Panas keluar kkaljam
∆H
1
: 51415,8246 Q : 562557,4374
∆H
2
: 607833,5294 Q
loss
: 6139,7326
Total : 613973,2620 Total : 613973,2620
3. Reaktor R-110
Neraca panas total : ∆H
1
+ ∆H
2
+ ∆H
4
+ ∆H
R
= ∆H
3
+ ∆H
5
+Q
loss
Tabel 4.3 Neraca Panas Pada Reaktor Panas masuk kkaljam
Panas keluar kkaljam
∆H
1
: 528822,2972 ∆H
2
: 607833,5294 ∆H
R
: 557807,7445 ∆H
3
: 622542,2991 Q
serap
: 1054976,6184 Q
loss
: 16944,6355
Total : 1694463,5531 Total : 1694463,5531
4. Heater E-122
Neraca panas total : ∆H
1
+ Q = ∆H
2
+ Q
loss
Tabel 4.4 Neraca Panas Pada Heater Panas masuk kkaljam
Panas keluar kkaljam
∆H
1
: 56156,4376 Q : 397135,8698
∆H
2
: 448759,3844 Q
loss
: 4532,9231
Total : 4523292,3075 Total : 4523292,3075
∆H
R
∆H
1
∆H
4
∆H
3
∆H
5
∆H
2
T=30
o
C T=-40
o
C T=10
o
C T=75
o
C Q
loss
Q ∆H
1
T
1
=45
o
C ∆H
2
T
2
=65
o
C Q
loss
Universitas Sumatera Utara
5. Evaporator V-120
Neraca Panas Total.
Qloss Q
3 2
1
+ ∆Η
+ ∆Η
= +
∆Η
Tabel 4.5 Neraca Panas Pada Evaporator Panas masuk kkaljam
Panas keluar kkaljam
∆H
1
: 448759,3844 Q : 2344008,4198
∆H
3
: 318156,3999 ∆H
2
: 2446683,7263 Q
loss
: 27927,6780
Total : 2792767,8042 Total : 2792767,8042
6. Kondensor Barometrik E-123
Neraca panas total : ∆H
1
+ ∆H
3
= ∆H
2
+ ∆H
4
Tabel 4.6 Neraca Panas Pada Kondensor Barometrik Panas masuk kkaljam
Panas keluar kkaljam
∆H
1
: 242789,8546 ∆H
3
: 40464,9758 ∆H
2
: 121394,9273 ∆H
4
: 161859,9031
Total : 283254,8304 Total : 283254,8304
7. Kristalizer X-125
∆H
1
∆H
2
∆H
3
Q Q
loss
T
1
=65
o
C T
1
=75
o
C
∆H
1
T
1
=75
o
C ∆H
2
T
2
=50
o
C ∆H
3
∆H
4
T
2
=30
o
C
T
4
=45
o
C
Q
serap
∆H
1
T
1
=75
o
C ∆H
2
T
2
=14
o
C
Universitas Sumatera Utara
Neraca panas total : ∆H
1
= ∆H
2
+ Q
serap
Tabel 4.7 Neraca Panas Pada Kristalizer Panas masuk kkaljam
Panas keluar kkaljam
∆H
1
: 318156,3999 ∆H
2
: -64369,6612 Q
serap
: 382526,0611
Total : 318156,3999 Total : 318156,3999
8. Rotary Dryer B-130
Neraca panas total : ∆H
1
+ ∆H
4
= ∆H
2
+ ∆H
3
+ Q
loss
Tabel 4.8 Neraca Panas Pada Rotary Dryer Panas masuk kkaljam
Panas keluar kkaljam
∆H
1
: 6029,7935 ∆H
4
: 66234,4341 ∆H
2
: 55927,2623 ∆H
3
: 6214,1395 Q
loss
: 10122,8259
Total : 72264,2277 Total : 72264,2277
9. Heater Udara E-134
Neraca panas total : ∆H
1
+ Q = ∆H
2
+ Q
loss
Tabel 4.9 Neraca Panas Pada Heater Udara Panas masuk kkaljam
Panas keluar kkaljam
∆H
1
: 1258,8729 Q : 25139,3009
∆H
2
: 24875,3280 Q
loss
: 1522,8458
Total : 26398,1738 Total : 26398,1738
∆H
1
T
1
=30
o
C ∆H
2
T
2
=85
o
C ∆H
3
∆H
4
T
3
=85
o
C
T
4
=120
o
C Q
loss
Q ∆H
1
T
1
=30
o
C ∆H
2
T
2
=120
o
C Q
loss
Universitas Sumatera Utara
BAB V SPESIFIKASI PERALATAN