Gambar

Simbul

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Laporan praktek kerja industri di PT Krakatau Steel

DIAGRAM SIRKULASI CLOSED COOLING / SISTEM TERTUTUP

Nitrogen VO2 ( 1-2 ) V28

Air Compressor V06 & 106

Q = 430 N m3/h H = 30 bar

V = 15870 N m3/h P1 = 30 bar

V21

P2 = 6 bar V22

V3

V20

Tank Emergency T101 / T102

V19

V24

V23

V25

Tank Balance

T105 ( 1-2 ) V = 100 m3

T103/T104

175 m3 / Tank

28 - 30 bar

7 m3/Tank

6 bar

3 bar

V4

V5

V18

V7

V10

Basin Soft Water

Note :

V1 V2

P21.1-4 ( BSP )

Q = 360 m / h

V11

H = 50 mWS/ 75 kw

V12

V13

CC

Q = 210 m3/ h

P19.1-3 ( SSP-1 ) Q = 320 m3/ h H = 57 mWS / 75 kw

V14

V = 215 m3 P126-1 / 2 Q = 0 - 500 Lt / h H = 30 mWS / 0.37 kw

Q = 265 m3/ h

3

V16 MUW

V27

P18.1-4 ( BSP ) P17.1-3 ( SSP-1 )

V15 Tank Chemical V = 1000 Lt

V17

V6 V9

V8

H E

V26

P124-1 / 2 Q = 40 m3/ h H = 80 mWS / 18.5 kw

: Normal Line Circulation : Emergency Line Circulation : Filling line

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Laporan praktek kerja industri di PT Krakatau Steel

GAMBAR SKEMATIK PROSES REGENERASI

V2 V3

F1

TK HCl

P25 -1/ 2

V4 V7 V5

F10 / F11

V8

Bak 23 V1

V6

CO1/CO2

V10 V11

V9

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V12

V13

V14

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Laporan praktek kerja industri di PT Krakatau Steel

DIAGRAM SIRCULASI SYSTEM KONTAK TERBUKA LANGSUNG ( DIRECT COOLING )

Concast COOLING TOWER CELL A

BSP

SSP-1

P10-1/2/3

P15-1/2/3

Q = 168 m/h

Q = 295 m/h

H = 83 mWS

H = 96 mWS

Gravel

V = 1600 M3

Filter

Make Up

Settling

Water

Cyclon P30 - 1/2/3/4

F03,04,05,07,08

SO1-SO3

Q = 475 m3/h Block Rake

H=4

bar

P12 - 1/2 ( BSP ) Q = 230 m3 / h H = 65 mWS

Scale mixing Cyclon

P14-1/2/3 Q = 118 m/h H = 70 mWS

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DIAGRAM SIRCULASI SYSTEM KONTAK TERBUKA LANGSUNG ( DIRECT COOLING )

Concast COOLING TOWER CELL A

BSP

SSP-1

P10-1/2/3

P15-1/2/3

Q = 168 m/h

Q = 295 m/h

H = 83 mWS

H = 96 mWS

Gravel

V = 1600 M3

Gravel

Filter

Filter

Make Up

Settling

Water

Cyclon

Cyclon

SO1-SO3

SO4

P30 - 1/2/3/4

F03,04,05,07,08

Settling

F09

Q = 475 m3/h Block Rake P12 - 1/2 ( BSP )

P14-1/2/3

Q = 230 m3 / h

Q = 118 m/h

H = 65 mWS

H = 70 mWS

H=4

bar

Scale mixing Cyclon Oil separator

P-20 - 1/2

P08 - 1/2 ( Back Wash ) Emergency ( Filter tdk berfungsi ) P29 - 1/2 Canal ke laut

Canal ke laut Canal WTP

Keterangan : Sirkulasi air pendingin open machine dan secondary cooling BSP / SSP-1. Sirculasi Back Wash Gravel Filter. Saluran Pembuangan ( Emergency ). Aliran air bocoran dari closed system ( MC & CMC ) mengandung Nitrit yang keluar melalui oil separator.

Laporan praktek kerja industri di PT Krakatau Steel

DIAGRAM SIRKULASI SYSTEM KONTAK TERBUKA TAK LANGSUNG ( INDIRECT COOLING )

Pabrik Gas Industri P.01 - 1/2 Q = 530 m3/h H = 62 mWS Mainstation I

Bak Return

MAKE UP

Mainstation I COOLING TOWER

P132 - 1/2 Q = 490 m3 / h

WATER ( CELL BCD )

P.02-1/2

Mainstation II

Bak Return

Q = 1085 m3/h

Mainstation II

V = 4800 M3

P102 - 1/2 F06

By pass

Q = 535 m3 / h

Gravel filter P04 - 1/2 Q = 400 m3/h

Heat Exchanger Closed system

P05-1/2/3/4 Q = 1185 m3/h H = 2.5 bar E A F

Bak Return Furnace

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P06 - 1/2/3/4/5/6/7

P31 - 1/2/3/4/5/6/7

Q = 530 m3 / h

Q = 535 m3 / h

P = 6 bar

P = 2.5 bar

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Laporan praktek kerja industri di PT Krakatau Steel

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Laporan praktek kerja industri di PT Krakatau Steel

DIAGRAM SIRKULASI SYSTEM KONTAK TERBUKA TAK LANGSUNG ( INDIRECT COOLING ) WATER COOLING PANEL ( WCP )

t : + 370C Cooling Tower Cell EF

By Pass

Make Up

Vol : 3200 m3

Water

Kap : 5400 m3 / h

Gravel Filter F 112

t : + 320C

P1.04 ( 4 - 2 ) Q = 350 m3 H = 35 mWS

EAF

P1.02 ( 4 - 9 ) BSP & SSP Q = 562 m3 H = 70 mWS Kap : per EAF BSP : 348 m3 / h SSP : 512 m3 / h Tek : + 5 bar Emgr Line DR Air Krenceng

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