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164 lines
5.4 KiB
164 lines
5.4 KiB
*NAME: FURNACE
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*ROWS: 18
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*COLUMNS: 18
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*NONZERO: 90
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*OPT SOLN: 2141.923551
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*SOURCE: Linear Programming--Electric-Arc Furnace Steelmaking
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* Data Processing Application. N.Y.: IBM Corp.
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*APPLICATION: Electric-Arc Furnace Steelmaking
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*COMMENTS: fixed MPS format
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* encoded by Andrew Makhorin <mao@gnu.org>
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*
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NAME FURNACE
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ROWS
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N VALUE $ Price per pound (of initial charge materials)
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E CR $ Chromium
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E MN $ Manganese
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E SI $ Silicon
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E C $ Carbon
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E FE $ Iron
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E TOTCHG $ Total elements charged
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E CRSLAG $ Chromium-oxidized-to-slag relationship
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E TOTCRS $ Total modified chromium specification constraint
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E MN/CR $ Total manganese specification constraint
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E FESLAG $ Iron-oxidized-to-slag relationship
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G ENDFE $ Total iron specification constraint
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L CSPEC $ Total carbon specification constraint
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E BASE $ Basicity relationship
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L SISPEC $ Total silicon specification constraint
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G TOTAL $ Total end metal
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L TOTRS4 $ Inventory limitation on 430 grade scrap
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L TOTRCF $ Inventory limitation on low-carbon ferrochrome
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COLUMNS
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* Steel scrap
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STSCP VALUE .02
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CR 0
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MN .01
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SI .002
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C .006
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FE .982
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* 430 grade scrap
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SP430 VALUE .075
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CR .16
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MN .01
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SI .0095
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C .0012
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FE .8143
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TOTRS4 1
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* High-carbon ferrochrome
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HCFCR VALUE .27
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CR .556
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MN 0
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SI .02
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C .08
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FE .334
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* Low-carbon ferrochrome
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LCFCR VALUE .40
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CR .65
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MN 0
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SI .01
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C .0009
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FE .3391
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TOTRCF 1
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* Chromium initially charged
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CRIT VALUE 0
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CR -1
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TOTCHG 1
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CRSLAG 1
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* Manganese initially charged
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MNIT VALUE 0
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MN -1
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TOTCHG 1
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CRSLAG 1
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MN/CR .98
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* Silicon initially charged
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SIIT VALUE 0
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SI -1
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TOTCHG 1
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CSPEC -5
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BASE 2.14
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TOTAL -1
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* Carbon initially charged
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CEIT VALUE 0
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C -1
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TOTCHG 1
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TOTAL -1
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* Iron initially charged
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FEIT VALUE 0
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FE -1
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TOTCHG 1
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ENDFE 1
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* Total initial charge weight
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TICW VALUE 0
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TOTCHG -1
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CRSLAG -.074
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TOTCRS .074
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FESLAG .075
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CSPEC 5
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TOTAL 1
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* Modified chromium in the slag
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ISCR VALUE 0
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CRSLAG -1
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TOTCRS .95
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FESLAG -1
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CSPEC -.25
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SISPEC -.395
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TOTAL -.05
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* Chrome silicide additive at refining stage
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CRSI VALUE .27
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TOTCRS .39
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ENDFE .18
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BASE 2.7606
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SISPEC .43
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TOTAL .57
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* 430 grade scrap at refining stage
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RS430 VALUE .075
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TOTCRS .17
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MN/CR .01
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ENDFE .8143
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CSPEC 12
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SISPEC .0095
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TOTAL 1
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TOTRS4 1
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* Low-carbon ferrochrome at refining stage
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RCFCR VALUE .40
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TOTCRS .65
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ENDFE .3391
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CSPEC 9
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SISPEC .01
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TOTAL 1
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TOTRCF 1
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* Iron in the slag
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ISFE VALUE 0
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FESLAG -1
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ENDFE -.05
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CSPEC -.25
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SISPEC -.238
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TOTAL -.05
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* Lime at refining stage
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LIME VALUE .01
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BASE -2
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* Low-carbon ferrochrome at finishing stage
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FCFCR VALUE .40
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TOTCRS .65
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ENDFE .3391
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CSPEC 9
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SISPEC .01
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TOTAL 1
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TOTRCF 1
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* Slack in the chromium and manganese specifications
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SIS VALUE 0
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TOTCRS 1
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MN/CR 1
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RHS
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TOTCRS 3400
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MN/CR 200
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ENDFE 16200
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CSPEC 100000
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SISPEC 200
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TOTAL 20000
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TOTRS4 2000
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TOTRCF 2000
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BOUNDS
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UP HCFCR 2000
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ENDATA
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