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LAMPIRAN NERACA MASSA FINISH MILL LINE I
Cement
Reject SP
Cement Miil
BM
Fresh Feed
Perhitungan Neraca Massa: Data yang diketahui: Flow Clinker
: 164.58
ton/hr
Flow Additive
: 43.36
ton/hr
Flow Gypsum
: 6.99
ton/hr
Flow Reject
: 51.7
ton/hr
Flow Outlet Cement Mill
: 214.93
ton/hr
Flow Cement
: 266.63
ton/hr
Flow Fresh Feed
: 214.93
ton/hr
N (Motor Power)
: 45,02 KWH
MC Clinker
:0
MC Gypsum
: 0,1
MC Additive
: 0,111
X Clinker
:78,4
%
X Gypsum
:3,2
%
X Additive
:18,4
%
T Clinker
: 150
o
T Additive
: 30
o
T Gypsum
: 30
o
T Cement outlet mill
: 101
o
T inlet air
: 25
o
T outlet air
: 30
o
T reference
: 25
o
P dynamic
:
mmH2O
P static
: 72
mmH2O
C C C C C C C
Neraca Massa Pada Ball Mill Reject
Clinker
Additive
BALL MILL Additive Clinker Gypsum
Gypsum
INPUT (basis 1 jam operasi) 1. Massa material klinker
= fraksi massa klinker x flow fresh feed
= 0.784 x 214938,750 kg = 168511,98 kg Mc
= MC klinker x Massa material klinker = 0 x 168511,98 kg = 0 kg
2. Massa material aditif
= fraksi massa aditif x flow fresh feed = 0.184 x 214938,750 kg = 39548,73 kg
Mc
= MC aditif x Massa material aditif = 0.111 x 39548,750 kg = 29596,9013 kg
3 Massa material gibsum
= fraksi massa gibsum x flow fresh feed = 0.032 x 214938,750kg = 6878,04 kg
Mc
=MC gibsum x Massa material gibsum = 0.1 x 6878,04 kg = 853,244 kg
Total Massa Material
= 214938,750 kg
Total Mc
= Mc klinker + Mc aditif + Mc gibsum = 0 kg + 29596,9013 kg + 53,244 kg = 5153,37147 kg
4.Reject
= 51700 kg
Total Input
= Total Massa Material + Reject + Total Mc material = 14938,750 kg + 51700 kg + 5153,37147kg = 271.792,121 kg
OUTPUT (basis 1 jam operasi) 1. Cement Mill 1. Massa material klinker
= Fraksi massa klinker x total inlet = 0.784 x 266638,75 kg = 209044,78 kg
2. Massa material aditif
= Fraksi massa aditif x total inlet = 0.184 x 266638,75 kg = 49061,53 kg
3. Massa material gibsum
= Fraksi massa gibsum x total inlet = 0.032 x 266638,75 kg = 8532,44 kg
Total Massa Material Cement Mill 2. Total Mc
= 266638,75 kg = Mc klinker + Mc aditif + Mc gibsum = 0 kg + 29596,9013 kg + 53,244 kg = 5153,37147 kg
Total Output
= Total massa material cement mill + Total Mc = 266638,75 kg + 266638,75 kg = 271.792,121 kg
Tabel Input dan Output Neraca Massa Ball Mill Kg/hr
INPUT
Kg/hr
OUTPUT
Clinker
168511,98
Clinker
209044,78
Mc clinker
0,00
Additive
49061,53
Gypsum
8532,44
Mc.Total
5153,37147
Total
271.792,121
Additive
39548,73 kg
Mc Additive
29596,9013
Gypsum
6878,04
Mc gypsum
853,244
Reject
51700
Total
271.792,121
Neraca Massa pada Separator
SEPARATOR Cement Mill
Cement Miil
Reject
INPUT (basis 1 jam operasi) 1. Cement mill
1. Massa material klinker
= Fraksi massa klinker x total inlet = 0.784 x 266638,75 kg = 209044,78 kg
2. Massa material aditif
= Fraksi massa aditif x total inlet = 0.184 x 266638,75 kg = 49061,53 kg
3. Massa material gibsum
= Fraksi massa gibsum x total inlet = 0.032 x 266638,75 kg = 8532,44 kg
Total Massa Material Cement Mill
Total Input
= 266638,75 kg
= 266638,75 kg
OUTPUT (basis 1 jam operasi)
1.Reject 1. Massa material klinker
= Fraksi massa klinker x Total reject = 0.784 x 51700 kg = 40532,8 kg
2. Massa material aditif
= Fraksi massa aditif x Total reject = 0.184 x 51700 kg = 9512,8 kg
3. Massa material gibsum
= Fraksi massa gibsum x Total reject = 0.032 x 51700 kg = 1654,4 kg
Total massa material reject
= 51700 kg
2. Cement 1. Massa material klinker
= fraksi massa klinker x flow fresh feed
= 0.784 x 214938,750 kg = 168511,98 kg 2. Massa material aditif
= fraksi massa aditif x flow fresh feed = 0.184 x 214938,750 kg = 39548,73 kg
3 Massa material gibsum
= fraksi massa gibsum x flow fresh feed = 0.032 x 214938,750kg = 6878,04 kg
Total Massa Material Cement
= 214938,750 kg
Total Output
= Total massa material reject + Total massa material cement
= 51700 kg + 214938,750 kg
= 266638,75 kg
Tabel Input dan Output Neraca Massa Separator INPUT
OUTPUT
Kg/hr
Clinker
209044,78
Clinker
168511,98
Additive
49061,53
Additive
9512,8
Gypsum
8532,44
Gypsum
6878,04
Reject
51700
Total
266638,75
Total
Kg/hr
266638,75
NERACA PANAS FINISH MILL LINE 1 Q. Reject
Q.Clinker Q.Cement Miil
FINISH MILL Q.Additive Q.Gypsum
Q. Udara
Data yang diketahui : Specific Heat Clinker
: (0.00064.Tcement +0.733)
kj/kg oC
Specific Hea Additive
: 0.217
kkal/kg oC
Specific Hea Gypsum
: 0.26
kkal/kg oC
X Clinker
:78,4
%
X Additive
:16.2
%
X Gypsum
: 2.7
%
Flow Reject
: 51.7
ton/hr
Menghitung cp cement Cp Clinker
= (0.00046.Tcement +0.733) kj/kgoC = (0.00046 x 101 + 0.733) kj/kg oC = 0.79646 kj/kg oC = 796.46 j/kg oC =189.63 kal/kg oC =0.18963 kkal /kg oC
Cp Cement
= (Cp Clinker x Fraks massa) + (Cp Additive x fraksi massa) + (Cp Gibsum x Fraksi massa) = (0.19093 x 0.748) + (0.217 x 0.162) + (0.26 x 0.072) = 0.1847 kkal/kg oC
Neraca Panas pada Ball Mill
INPUT (basis 1 jam operasi) 1.Frees Feed 1. Clinker Heat (Qk)
= m cp ΔT = 164583,33 kg x 0.18963 kkal /kg oC x (150 -30) oC = 3771309,524 kkal
2. Additive Heat (Qa)
= m cp ΔT = 43363,75 kg x 0.217 kkal /kg oC x (3030) oC = 0 kkal
3.Gybsum Heat (Qgi)
= m cp ΔT
= 6991,67 kg x 0.26 kkal /kg oC x (30 -30) oC = 0 kkal
Total heat fresh feed
2. Reject
= 3771309,524 kkal
= m cp ΔT = 51700 kg x 0.1847 kkal/kg oC x (75-30) = 429812,4553 kkal
3. Udara yang diventing (Quv) Massa venting udara
= volume udara venting /densitas udara = 294000 m3 / 0.915 kg/ m3 = 321311.4754 kg
Massa udara yang diventing
= massa venting udara – massa penguapan air = 294000 m3 / 0.915 kg/ m3 = 321311.4754 kg
Quv
= m cp ΔT = 321311.4754 kg x 1.01 kj/kg oC x (30-30) o
C
= 0 kj = 0 kkal
Total Input
= Q. fresh feed + Q. reject + Quv
= 3771309,524 kkal + 429812,4553 kkal + 0 kkal
= 4201121,979 kkal
OUTPUT (basis 1 jam operasi) 1.Cement Mill 1. Clinker Heat (Qk)
= m cp ΔT = 209044,78 kg x 0.18963 kkal /kg oC x ( 150-101) oC = 1955962,325 kkal
2. Additive Heat (Qa)
= m cp ΔT = 49061,53 kg x 0.217 kkal /kg oC x ( 10130) oC = 755890,9927 kkal
3.Gybsum Heat (Qgi)
= m cp ΔT = 8532,44 kg x 0.26 kkal /kg oC x (101 -30) oC = 157508,8424 kkal
Total heat cement mill
= 2869362,16 kkal
2. Udara yang diventing (Quv) Massa venting udara
= volume udara venting /densitas udara = 294000 m3 / 0.915 kg/ m3 = 321311.4754 kg
Massa udara yang diventing
= massa venting udara – massa penguapan air = 294000 m3 / 0.915 kg/ m3
= 321311.4754 kg Quv
= m cp ΔT = 321311.4754 kg x 1.01 kj/kg oC x (30-101 ) oC = -22677123,1 kj = -22677,1231 j = -5399,315024 kal = -5399315,024 kkal = -20,65055308 kkal
Total Output
= Q. Cement Mill + Quv
= 51700 kg + 214938,750 kg
= 266638,75 kg Tabel Input dan Output Neraca Panas Ball Mill Kg/hr
INPUT
OUTPUT
Kg/hr
Q.Clinker
3771309,524
Q.Clinker
1955962,32
Q.Additive
0,00
Q.Additive
755890,9927
Q.Gypsum
0,00
Q.Gypsum
157508,8424
Q.Reject
0,00
Q.Loss
1331780,47
Q.udara
429812,46
Total
4201121.98
Total
4201121.98
Neraca Panas pada Separator INPUT (basis 1 jam operasi) 1.Cement Mill 1. Clinker Heat (Qk)
= m cp ΔT = 209044,78 kg x 0.18963 kkal /kg oC x ( 150-101) oC = 1955962,325 kkal
2. Additive Heat (Qa)
= m cp ΔT = 49061,53 kg x 0.217 kkal /kg oC x ( 10130) oC = 755890,9927 kkal
3.Gybsum Heat (Qgi)
= m cp ΔT = 8532,44 kg x 0.26 kkal /kg oC x (101 -30) oC = 157508,8424 kkal
Total Heat Cement Mill
= 2869362,16 kkal
2. Udara yang diventing (Quv) Massa venting udara
= volume udara venting /densitas udara = 294000 m3 / 0.915 kg/ m3 = 321311.4754 kg
Massa udara yang diventing
= massa venting udara – massa penguapan air = 294000 m3 / 0.915 kg/ m3 = 321311.4754 kg
Quv
= m cp ΔT = 321311.4754 kg x 1.01 kj/kg oC x ( 30101) oC = 22677123,1 kj = 22677,1231 j = 5399,315024 kal = 5399315,024 kkal = 20,65055308 kkal
Total Input
= Q.Cement Mill + Quv = 2869362,16 kkal + 20,65055308 kkal/kg = 2869382,81 kkal
OUTPUT (basis 1 jam operasi) 1.Produk 1. Clinker Heat (Qk)
= m cp ΔT = 209044,78 kg x 0.18963 kkal /kg oC x (101 -150) oC = 1576710,426 kkal
2. Additive Heat (Qa)
= m cp ΔT = 49061,53 kg x 0.217 kkal /kg oC x (10130) oC = 146563,7096 kkal
3.Gybsum Heat (Qgi)
= m cp ΔT = 8532,44 kg x 0.26 kkal /kg oC x (101 -30) oC = 126968,6184 kkal
Total heat produk
= 1850242,754 kkal
2. Reject
= m cp ΔT = 51700 kg x 0.1847 kkal/kg oC x (75-30) o C = 429812,4553 kkal
3. Udara yang diventing (Quv) Massa venting udara
= volume udara venting /densitas udara = 294000 m3 / 0.915 kg/ m3 = 321311.4754 kg
Massa udara yang diventing
= massa venting udara – massa penguapan air = 294000 m3 / 0.915 kg/ m3 = 321311.4754 kg
Quv
= m cp ΔT = 321311.4754 kg x 1.01 kj/kg oC x ( 75-30) o
C
=14372,8245 kj =14372824,5 j =3422,101071 kal = 3422101,071 kkal = 13,08837871 kkal
Total Output
= Q.produk + Q.reject + Quv =1850242,754 kkal + 429812,4553 kkal +13,08837871 kkal =266638,75 kkal
Tabel Input dan Output Neraca Massa Separator INPUT
OUTPUT
Kkal/hr
Q.Clinker
1955962,325
Q.Clinker
1576710,43
Q.Additive
755890,9927
Q.Additive
146563,7096
Q.Gypsum
157508,8424
Q.Gypsum
126968,6184
Q.Udara
20,65055308
Q.Reject
429812,4553
Q.Udara
13,08837871
Q.Loss
589314,51
Total
266638,75
Total
Kkal/hr
266638,75
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