6. Optimum ANFO, LAN & UF Resin Production & Distribution
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Transcript of 6. Optimum ANFO, LAN & UF Resin Production & Distribution
BMC - BOS: Case Study - Multi-Product, Multi-Supply Chain (MPMS) Optimisation - Dr BM Cole, Ph.D.Eng.(Pr. Eng.)
Optimisation of Nitrates-based Explosives (ANFO), Fertiliser (LAN) and (UF Resins) Production & Distribution Facility under operational uncertainty
B) Basic Flowchart
No 2 Ammonia Plant - MP (180 bar) - 180 tons/day
No 4 Ammonia Plant - HP (280 bar)
- 1,000 tons/day
Coal (C)
No 7 Nitric Acid Plant
- 3.3 bar
- 80 tons/day
NH3 (N2)
H2O (h)
No 10 HP Nitric Acid Plant
- 8.0 bar
No 9 HP Nitric Acid Plant- 8.7 bar
- 275 tons/day
No 11 DPOP Nitric Acid Plant
- 4.0 & 8.0 bar
- 695 tons/day
NH3 (N4)
55% HNO3
Coal Residue -Solid (R2) +
CO/CO2 (G2)
No 1 Ammonium Nitrate 88% Solution (ANS)1
Plant - 350 tons/day
No 2 Ammonium Nitrate 92% Solution (ANS)2 Plant - 650
No 1 Ammonium Nitrate Plant- 75 tons/day
No 2 Ammonium Nitrate Plant- 125 tons/day
No 3 Ammonium Nitrate Plant- 125 tons/day
No 4 Ammonium Nitrate Plant
- 240 tons/day
Limestone Ammonium Nitrate Plant (LAN)
- 550 tons/day
Limestone (L)
h7
h9
h10
h11
C2 C4
Coal Residue -Solid (R4) +
CO/CO2 (G4)
NH3 Sales (N4)s
(N2)ANS1
NH3 Sales(N2)s
(N4)9
(N4)10
(HN)9
60% HNO3
Nitric Acid
(HN)10
(HN)11
(N2)7
(N4)ANS2
(HN)7
55% HNO3
NA SalesNO/NO2
Tailgas (T7)
NO/NO2
Tailgas (T9)
NO/NO2
Tailgas (T11)NO/NO2Tailgas (T10)
(N4)11
Air (A7)
Air (A9)
Air (A10)
Air (A11)
(WV)ANS192% ANS
Supply Tank
88% ANS Sales (ANS)S
88
(ANS)AN1
(ANS)AN2
(ANS)AN3
(AN)AN1
(AN)AN2
(AN)AN3
(AN)S
(WV)AN3
(WV)AN1
(WV)AN2
88% ANS Supply Tank
92% ANS Sales (ANS)S
92
(WV)AN4
(AN)S
(ANS)AN4
(ANS)LAN(WV)LAN
60% Nitric Acid Sales
LAN Inventort Control
SA Agricultural Industry
Urea Production- Synthesis (Carbomation)
2NH3 + CO2 NH2COONH4
- Decomposition
NH2COONH4 NH2CONH2+ H2O- Concentration
NH3 (Urea)
Carbon Dioxide CO2
Heat
ANFO Production
Fuel Oil
Formaldehyde (CH2O)
UF Res in
H-[-NH-C-NH-]n-OH
||O
pH Control
SA Timber Industry
Urea (NH2CONH2)
UF Resin Condensor(Condensation)
NH2CONH2 + nCH2O
Waste Treatmebt
Reflux Condenser
SA Mining Industry
Scenario 1
Max (ANFO) = 259,024LAN = 70,063
UF Resin = 56, 270
Scenario 2
ANFO = 135,272Max ( LAN) = 189,750
UF Resin = 56,235
Scenario 3
ANFO = 139,234(LAN) = 133,901
Max ( UF Resin ) = 63,500