<313132362DC3D6C1BEC6EDC1FD2D342E43344D4D4120B0F8C1A420B1E2BCFAC6EDB6F72E687770>1.1 MMA ·················································································· 1 1.2 ·································································································· 1
2. MMA 2.1 MMA ·················································································· 2 2.2 MMA Block Flow Diagram ································································ 3 2.3 ························································································ 4 2.4 MMA ·················································································· 5
3. MMA 3.1 ······································································ 22 3.2 ································································ 24
4. MMA 4.1 ······································· 37 4.2 ·································· 39
5. 5.1 ··························································································· 42 5.2 P&ID ·························································································· 63
CONTENTS6. 6.1 ····························································································· 69 6.2 ····························································································· 69 6.3 ················································································· 72 6.4 ··········································································· 72 6.5 HB MAA ································································ 73 6.6 MACR ·················································································· 74 6.7 MAA ···················································································· 74 6.8 ··········································································· 74 6.9 ··························································································· 75
7. ·································································································· 76
1 MMA
1.1 MMA MMA(Methyl Methacrylate) (, , ), (, , ), (, , ), ACH(, , , ) , . MMA PMMA(Poly Methyl Methacrylate) , , , , . PMMA MMA , , , , .
< 1-1> (T/Y)
MMA LG-MMA() ()
95 15
1.2 MTBE : Methyl Tert-Buthyl Ether MMA : Methyl Methacrylate PMMA : Poly Methyl Methacrylate MACR : Metacrolein MAA : Metacrylic Acid ACH : Acetone Cyanohydrin HB : Heptane, Buthyene TPA : Phthalic acid HQ, : Hydroquinone PTZ : Phenothiazine HTS : Heat transfer salt()
Iso-butylene/MMA
2 MMA
2.1 MMA HB MAA MACR MAA Ester MMA
(Isobutylene) Craking Reactor , 3 . (Metacrolein : MACR) (Metacrylic Acid : MAA) . HB MAA HB MAA, , (Acrlyic acid : AA), MACR . HB MAA (Vaporizer) MACR . . MACR MACR (Stripping) . MACR . MACR . MAA MAA MAA MAA . MAA Ester (MeOH) (MMA) . MMA . MAA . , .
2. MMA
3
< 2-1> MMA MTBE, (C-4),
HQ(Hydroquinone), PTZ(Phenothiazin)
Iso-butylene/MMA
6
(Isobutylene) Craking Reactor , 3 .
. Craking Reactor MTBE Hold Drum(VE-1401) MTBE (HE-1401) . MTBE MTBE Cracking Gas Cooler(HE-1402) Cracking Reactor(RE-1402) . , Cracking Reactor Shell . . . , DME (Di-Methyl-ether) PWH(Demineralized Water) . Shell side .
. Washer(CO-1403) Sieve Tray (Demineralized Water) . (CO-1405) . (CO-1404) . , (HE-1424) . (HE-1454) . Washer .
. Washer(CO-1403) (CO-1405) MTBE iC4 . (HE-1455) , . PIC , inert gas Blow down , .
2. MMA
Iso-butylene/MMA
8
. 1 (RE-1001) MACR , MACR 2 (RE-1002 A/B) MAA .
1) 1 (HE-1004) 2kg/cm2G Superheater
(HE-1024) Superheating, (VE-1024) RE-1001 Feed Mixer(MX-1001) .
() (CM-1001A) (CM-1002A) 1 (RE-1001) . .
Shell & Tube Type Quenching Intermediate Tube Sheet. 1 Intermediate Tube Sheet Tube , (Heat Transfer Salt) shell side .
Intermediate Tube Sheet MACR , MACR MAA . ( ) 340 380 MACR MAA .
Intermediate Tube Sheet Quenching , 285 Quenching. MACR (Auto-Oxidation) . Quenching Tube Corrugated Plate , Quenching (PU-1001C) .
2) 2 1 MACR (stripping, CO-1502)
MACR (CM-1001A) . MACR (HE-1522) 2 (HE-1012) .
2. MMA
9
2 (MX-1002) 2 . MACR 70~80% Tube 2
MAA . ( ) 280~320 MACR MAA
. (HE-1052)
.. , 2 (HE-1012) (Start-Up Furnace, FN-1001) .
HN holder(VE-1090) . HN holder scrubbing column(CO-1101) (Purge) . .
. HB MAA RE-1002A/B (HE-1002)
MAA HB(heptane, butadiene) Scrubbing Column(CO-1101) Quenching.
Scrubbing Column MAA MACR Venturi Scrubber(SR-1101A) Mist Separator(SR-1101B) MACR (CO-3501) . Quenching (TPA) .
, MACR MAA MAA flash (SE-1106, HE-1107) .
1) Scrubbing Column MAA MACR 2 Scrubbing
Column(CO-1101) , HB Quenching.
HB 40% MAA MAA HB
Iso-butylene/MMA
10
. MAA HB MAA flash evaporator(SE-1106, HE-1107) .
HB Hydroquinone(HQ) Phenothiazine(PTZ) , Foam (Anti-Foaming Agent) .
Quenching Gas Venturi Scrubber(SR-1101A) , Quenching (TPA) , Column .
2) MAA (Flash System) , Pre-concentrator
(SE-1106) final (HE-1107). (Flash Drum) shell&tube Reboiler
Flash , Thin-film . . Thin-film flash
. Hydroquinone(HQ) (HE-1126, HE-1127) .
. MACR MAA MACR Scrubbing Column Venturi Scrubber(SR-1101A/B) MACR (CO-1501) . MAA MACR MACR (CO-1502) 2 .
1) MACR Venturi Scrubber MACR (CO-1501) ,
MACR MAA . MACR 35 MAA
MACR MACR(RE-1511) 2.5 MACR Bottom Liquid .
Scrubber(CO-1503) ,
2. MMA
11
Separator(ME-1501) . Bottom liquid MAA HQ . foam . Mist Seperator (ME-1501) CO-1502 (PW)
2) MACR (Stripping) MACR Feed Pre-
heater(HE-1512D) MACR (CO-1502) , MACR .
2 MAA , Scrubber(CO-1503) MAA Tray , MACR (CO-1502) Top Gas Preheater(HE-1522) 2 (RE-1002A/B) . Column MAA HQ . Foam .
3) , flash (SE-1106) MAA
(CO-1102) , MACR 200 Torr HQ (HE-1122) Vent Drum(ME-1162) .
Iso-butylene/MMA
2. MMA
13
. MAA MAA MAA , MAA(CO-1103) MAA . (CO-1105) . Feed MAA Ester .
1) MAA MAA (VE-1132) 40wt% MAA MAA
(CO-1103) , n- (VE-1113) .
MAA . MAA , (CO-1105) .
2) MAA (CO-1103) (CO-1105)
, , Ester Grade MAA Crude MAA (VE-1211) Ester . Column 105 Torr . MAA Phenothiazine(PTZ) O2 Reboiler .
3) (CM-1165A/B) Vent Gas
(CO-1164) . (FN-1601) .
. 1 (HE-1006A) 2 (HE-1006C)
220 (RE-1006) . (FN-1006) (RE-3006) .
(RE-1006) 300~400
Iso-butylene/MMA
14
. RE-1006 HE-1006C by-pass .
50% 1 , (CM-3002A) MACR (CO-3502) .
. 4 . 4 , .. Column(CO-1404) Bottom Liquid MAA (HE-1107) Flashing Residue MAA (CO-1103) CO-3201 Bottom Evaporator(HE-1231) Flashing Residue
1) Incinerator Incinerator(FN-1601) , 1000 .
2) (BO-1601) , 200 .
3) (CO-1103) (EV-1651A/B) . .
2. MMA
Iso-butylene/MMA
16
. Ester Ester grade MAA Ester (RE-1201A/B) (MeOH) Ester . . MAA (CO-1202) , , MAA . (CO-1202) Receiver(VE-1222) Ester , (CO-1205) . Ester .
1) Ester (CO-1105) Ester-grade MAA Ester
(FT-1211A/B) (MeOH) MeOH .
Ester-grade MAA MeOH, MeOH MAA feed mixer (MX-1211A/B) RE-1201A/B . MAA (MeOH) . 80~95. RE-1201A/B (HE-1211A) . Start-up (HE-1211B) .
2) MAA MAA (CO-1202) ,
MMA , .
(HE-1222B) Tank(VE-1222) , Ester . (CO-1205) ester (CO-1202) reflux , (CO-1206) . HQ Reflux (HE- 1222A) . (HE-1222A) Vent- condenser (HE-1262)
2. MMA
. Rebolier (HE-1232) .
3) MMA, MAA MAA (CO-1202)
(CO-1201) . MAA MMA (VE-1221) , Reflux. 60 Torr.
(CO-1201) (HE-1231B) . , (WWIS) . 45 Torr film . HQ Vent Condenser(HE-1261B) . VE-1246A/B HQ (HE-1221A) HE-1221A Vent Condenser (HE-1261A) . HE-1231A . HE-1231B Drum(VE-3231B)
4) MAA (VE-1222) (CO-
1206) feed heater(HE-1215) (CO-1205) .
MMA , (HE-1225) , , Reflux. Column . Column HQ HE-1225 HE-1235 .
. MAA (VE-1222) (CO-1206) (CO-1207) MMA .
Iso-butylene/MMA
1) MAA (VE-1222) (CO-1206)
100% Crude MMA .
(HE-1226) (CO-1205) (VE-1226) . Column . Column HQ , HE-3236 .
2) Final Column (CO-1206) Crude MMA 100 Torr
final column(CO-1207) . MMA (HE-1227A) (HE- 1227B)
(FT-1227A) . VE-1246A/B Column MMA HQ product HQ Tray , . MMA FT-1227 AO-30 .
3) Ester Vent (CO-1264)
(Scrubbing), .
2.4.5 Blowdown and Slop Drum System . Isobutylene
Liquid Purge Blow Down System . Blow Down System Header . PSV Header : C4 Gas Line
( TK-1813, HE-1004, VE-1024 )
2. MMA
Gas Header : C4 Vaporizing block Gas Line
. HB , MACR , MAA MAA , , Column Liquid Purge Blow Down Recovery System . Blow Down System header . VE-1160A Closed header : liquid Section VE-1160B dike Open ditch : Waste liquid WWT Drain dike Open ditch : Dike
drainage
. , , , Column Liquid Purge Blow Down Recovery System . Blow Down System header . VE-1260A Closed header : liquid Section VE-1260B dike Open ditch : Waste liquid WWT Drain dike Open ditch : Dike
drain
. , , Column Liquid Purge Blow Down Recovery System . Blow Down System header . TK-1603 Closed header : Waste liquid WWT Drain dike Open ditch : Dike
drain
2.4.6 Emergency Shut-Down .
Emergency Shut-down
Iso-butylene/MMA
20
. <DCS(Distributed Control System) > Emergency Shut-down DCS . (Pump, , ) 2 Control Valve .
, Steam, Hot Water, Hot Solvent Feed .
Control Room DCS
Block Valve By-pass Valve Close Pump Discharge Valve Close(SDN(Sodium Nitrite), Defoamer, Steam
Condensate ) Plant (, , , ) External Flushing Fluid Line Block Valve Close
<Emergency Shut-down Control Valve > Line Control Valve Close Feed Line Control Valve Close Extraction Unit Balance Line Control Valve Open
. Utility Failure <Power Failure> , . System Control , Control Valve . , Feed .
<Steam Failure> Stream , SRC BTM ACN SRC System
2. MMA
.
<Cooling Water Failure> Cooling Water System Control .
<Air Failure> Instrument Air Stop . Pump Control Valve Close Feed Pump Mechanical Seal Pump Stop.
Iso-butylene/MMA
3 MMA
3.1 MMA < 3-1> MTBE, , · .
< 3-1> MMA
(%) ()
()
MTBE C5H120 2.5 15.1 LC50:23,576
ppm(4hr -)
CH3OH 6 36 LC50:6,400ppm (4hr -) 11 385
Methacrylic Acid CH2CCH3CO OH 1.6 8.8
LD50:500 mg/kg
(-) 77 68
. Iso-Butylene Mixed-C4 , -76 2~11.5% , ( , ) , .
3. MMA
23
. MTBE Mixed-C4 -10 2.5~15.1% , ( , ) , .
. MMA MMA MAA 10 · 1.7~8.2% , .
. MAA , 11 6~36% , . , ( , ) , .
.
O2 . (TPA ) Column , Equipment .
Iso-butylene/MMA
3.2.1
(CO-1405) .
(CO-1405) MTBE iC4 .
Cracking Reactor MeOH Recovered Tower Washer
Cracking
- DME (Di-Methyl-ether)
PWH(Demineralized Water) Washer

MTBE,
MTBE 2.5-15.1%, -10 , .
3. MMA
25
- ,
1
- Intermediate Tube Sheet MACR
- MACR MAA
- Shell&Tube ( ) - Intermediate Tube Sheet (Quenching ) - - -
-

- ( ) 340~380 - MACR Quenching
285
- 76 , 1~9 % , NFPA 4 . ,
Iso-butylene/MMA
- MACR 70~80 % 2 MAA
- (Furnace)
-
- 2 Shell&Tube (2) - - - (Furnace) - -
- (
) - ( ) 280~320 - (
) (, ) - ,
- MAA 77 , 1.6~8.8 Vol%, TWA 20 PPM .
- MACR - 15 , (LD50) 810 mg/m3(, 2 ).
- -
27
3.2.3 MAA HB MAA
- MAA HB Scrub
-bing Column Quenching - Quenching Venturi Scrubber
TPA(Phthalic acid) - MAA Pre- concentrator

- Scrubbing Column - Venturi Scrubber - Pre-concentrator(Shell&Tube Reboiler) - (Thin-film )
- Scrubbing MAA
(HQ, Hydroquinone PTZ, Phenothiazine )
- Foam ( ) - TPA (Column
. )
- PTZ

Iso-butylene/MMA
- Venturi Scrubber MACR
MAA - MACR Stripper MAA - Scrubber
Separator
- MACR (column) - Scrubber - Mist separator
- Stripper (HQ, Hydroquinone ) - Foam ( ) - (
)
LD50(, ) 200 mg/kg .
3. MMA
29
MACR
Feed Preheater (Stripper)
- MAA - MACR Gas Preheater
2 - MAA
MACR
- Feed Preheater - (Stripper) - Top Gas Preheater -
- Stripper MAA
Vent Drum HQ - Foam ( ) - MAA (200
Torr)
3.2.5 MAA MAA
- MAA (40 wt%) MAA
, (n-) , MAA
- , - MAA

- MAA (Column) - MAA - n- - - MAA - MAA
- (105 Torr) - MAA
HQ , Reboiler - (
) -
- MAA - n-, ,

31
3.2.6 MAA
-
MAA (Feed mixer)
-
- MAA MAA,
- (2) - Feed mixer - MAA (column)
- Ester 80~95
- - (HQ Reflux, , Vent
condenser , Reboiler
- MAA - 5.5~-44 V%,
(TWA) 200 PPM, 11
Iso-butylene/MMA

- Feed heater
- MMA
- (column) - - - Feed heater
- - (HQ Reflux, ,
Feed heater
- MMA 1.7~8.2 V%, (TWA) 100 PPM, 10 .
-
33
-
MMA . - , Crude
MMA . - Crude MMA Final column
- MMA ,

- - - Final Column - MMA - MMA -
- MMA (HQ 3 Tray
) - MMA -
- MMA -
Iso-butylene/MMA
3.2.8 MMA
MMA
- - -
- -
- MMA
35
3.2.9 (Blowdown)
- Column Bottom Liquid MAA Flashing Residue MAA Bottom Evaporator Flashing
Residue
- (Incinerator) -
- Incinerator (
1,000 ) - ,
200 - Start-up & Shut down
- - - Pilot Gas(LPG)
Iso-butylene/MMA

MACR, MAA - Liquid Purge
Blow Down System . PSV Header : C4
Gas Line Gas Header : C4 Vaporizing block
Gas Line
- , , Column Liquid Purge Blow Down Recovery System . Closed header liquid
(Dike) Open Ditch WWT
Drain Open ditch :
Drainage
- , , Column Liquid
Purge Blow Down . Closed header

- , , Column Liquid Purge Blow Down . Closed header (Waste
liquid) WWT
37
4.1
. 1993 1 28 11:45 L () MMA
. - : 1 - : -
. MMA (HTS : Heat
transfer salt) Jacket 3 .
’93. 1. 27 Hold tank, KNO3 NaNO2 Hopper Chute Chute 2 Heating coil .
’93. 1. 28 3 chute 2 , 1 Hold tank 240 ,
Process side(Reactor) .
. 1)
Iso-butylene/MMA
2)
. 1)
. HTS HTS HTS Reactor Jacket Jacket
Hold tank Steam Coil Leak
4 2 HTS , 3 HTS , 4 Coil leak Coil leak test(N2 : 24 /, 4) , 1 .
4. MMA
39
2) HTS Hold tank N2 Sealing HTS Make-up Hold tank
.
. 1)
HTS HTS Vessel seal tank(ME-) (RD-)
HTS Hold tank (N2)
Sealing 2)
Spare part 100% ( 3EA 2EA Spare part
)
. Emergency manual ,

4.2
. 2006 8 13 18:40 PMMA 1 (Bag Filter) BF-B , 19:00
Iso-butylene/MMA
. - : - - :
.
(/G ()
BF-B (Bag Filter) PMMA 0.02 4 60 80 2,440×
4,800 :sus304
. 1) :
2) :
3) PMMA(Poly Methyl Methacrylate) (DR-) (CY-) 1 50 (Powder) (BF-B)
4)
<1> (BF-B) <2> Bag filter
4. MMA
41
. 1) : 2)
- ()
- 1) 300 mg/ ,
Pulse Air 20 g/ .
2) , , , .
.
- , () ,
- ,
Iso-butylene/MMA
5.1
5.1.1 . Flooding
1) Tray Flooding Flooding .
2) Packing Column Flooding Packing Column Flooding Pressure Drop . Liquid , Packing Dry Bed
. Pressure Drop Vapor . Liquid , Vapor Pressure
Drop . Vapor , Liquid Flow
, Pressure Drop . , Column Liquid Accumulation Vapor . Liquid Accumulation , Liquid Packing Top , , Vapor Flow Pressure Drop .
3) Column Flooding Flooding Column Liquid Accumulation . Accumulation Flooding Tray Tray . Column Liquid . Flooding .
5.
43
Column (Dp) Column Dp Bottom Liquid Loss Column Top Tray Entrainment (Column Temperature Profile ) Column pressure Drop
, Tray Pressure Drop Tray Spacing 5060% Flooding .
Pressure Drop Vapor Rate Pressure Drop Pressure Drop Flooding . Flooding Point Vapor Liquid Flow Pressure Drop .
Column Top Tray Entrainment Reboiler Heat Input , Reflux .
(Loss of Separation) Flooding Tray or Packing , Vapor Entrainment Liquid , Tray .
. Column Column
- , Rating - - Elevation Support - Cladding - Trays: (No. of Tray), , Spacing, Levelness, Liquid Seal, Weir Height,
Valve , Sieve Hole Diameter Pitch, , Weep Holes, Support - Partition Walls , , Seal - Distributor: , Levelness, Orientation, Size, Openings - Nozzles: , Rating - Vortex Breaker, Baffles, Wear Plates
Iso-butylene/MMA
44
- Demisters Coalescing Screens: , , Support Tightness - Thermowells , , Metallurgy - Level Instrument , , Metallurgy - / Fireproofing
Tray Column Packed Column - High Liquid Rates : Liquid
- Large Diameter Column : Vapor & Liquid mal-distribution
- Complex Column : Alternative Feeds Side Draw-off Nozzle
- Performance Prediction : Data
- Low Weight Higher Turndown - Maintenance : Column wall inspection, Cleaning
- Low pressure drop : Vacuum Service
- Large Revamp ( Type Size)
- Small Diameter Column : Cartridge type trays
- Corrosive Systems : (Ceramic, Plastic, etc.)
- Foaming - Low Liquid Holdup: Operation Column Polymeriza- tion Degradation
. Column Hydraulics and Troubleshooting 1) Tray Hydraulics
Jet Flooding Tray Vapor Capacity Vapor , Liquid Tray Carry Over Tray Flooding
Downcomer Flooding (1) Downcomer Choke Flooding : Liquid Load Top Downcomer Area
Liquid Downcomer Tray Flood
(2) Downcomer Back-up Flooding : Downcomer Aerated Froth Tray Spacing Liquid Tray , Tray Flood Aerated Froth = Clear liquid() + Form liquid(
)
45
Weeping : Bubbling Area Sieve Valve Holes Liquid ( 5 - 10 % Weep Fraction Tray Efficiency Drop )
Dumping : Outlet Weir D/C Liquid 2) Entrainment : Vapor Gas Liquid Tray
Tray Mass Transfer Tray Efficiency Overhead Vapor Line Damage Froth Regime Liquid Spray Regime Jetting
3) Tray Pressure Drop Vapor Dry Sieve Holes Valve Unit Pressure Drop Tray Deck Clear Liquid Head Sieve Tray : 0.004~0.007kg/cm2/tray Valve Tray : 0.006~0.01kg/cm2/tray
Iso-butylene/MMA
5.1.2 Fired Heaters
. Fired Heater - Design Pressure, Tube Temperature, Tube - Pressure Drip Velocity - Burners Control System, , Turndown Ratio, - Stack Damper - Outlet Flange - Snuffing Steam
. Fired Heater - Snuffing Steam : line - Pilot Burner : - Fire Box Purging Sequences :
- Flame Detector :
5.
47
: 1 : 1 2
-
- Natural Draft (DAMPER )
- - - - - KO Drum - KO Drum level gage high level alarm - Damper failure Fail safe damper - Tube failure low flow alarm low flow cutoff
, - 1000psi - Coil - Tube - - -

49
. Fire Box - / (, CO) - Tube
. Interlock - Low Low( , , IDF
, , ) - Low Low - Low Low - IDF (IDF (1000 RPM)
    )
- Low Low - Low Low - High High - IDF Interlock(
IDF IDF
- - Low Low
5.1.3
. - - , (Heat Duty), / , / , - , , ,, , - , , -
. - , PFD, P&ID
Iso-butylene/MMA
50
- , PFD, P&ID - Heat Duty - Vibration Check - /
10 Water 93
- /
5.3kg/cm2g( 23" ) 1.1 1.8kg/cm2g
70kg/cm2g 1.05
7kg/cm2g Maximum Shut off Pressure Tube Rupture
( ) (, )
- Vessel : = Vessel + high liquid level static head
- Vessel : = Vessel + high liquid level static head + Line Press Drop(at Rated Flow)
- Tube Rupture : 10/13 Rule() - Pump Shut off Pressure
: Zero Differential Head + Maximum Ps
. , Channel, Channel Cover ASTM , Sheet ASTM
5.
51
. Carbon Steel : 38 mm Low Alloy Steel(Carbon Steel - ½ Mo) : 16 mm Alloy(Chrom - Moly) : Alloy Austenitic St. Steel :
. TEMA Class "R" C.S Pressure Part 1/8 ( Alloy)
. 100% (ASME Section VIII) Carbon Steel : 32 mm(11/4) Low Alloy Steel(Carbon Steel - ½ Mo) : 19 mm(3/4) Alloy(11/4%Chrom -1/2% Moly) : 16 mm(5/8) Alloy(21/4%Chrom -13% Moly) : Austenitic St. Steel : Hydrogen Sulfide, Hot Caustic Lethal Service Case( ) Pneumatic Test Case( )
Iso-butylene/MMA
52
. (ASME Code) 100% : 1.0 Spot : 0.85 No Radiographing : 0.7
. Effect of Fouling Fouling Tube Side Service
- Tube Side Shell Side
Tube Side - (Cooling Water) - (corrosive) (sediment) - Fouling - - , -
- Shell . - Condensing Steam Tube Side . - / Shell Side
.
- Shell & Tube Type - Heat Duty
- Cooling Water - Hot Fluid Cold - Shell Tube - Cooling Water Return Bypass
5.
53
5.1.4
. KS D 3521( ) : 350 ,
KS D 3515( ) : 30/
350 , KS D 3503( ) :
- 16kg/ , - 350 , - 10kg/
- , KS D 3507( ) : 10kg/
.
. : 3mm
- : 1.5mm - : 2.5mm
- : 1.5mm - : 2.5mm
. : 1mm , , :
.
- Carolimeter, , ,
Iso-butylene/MMA
54
Mechanism , .
→ Mechanism
- Mechnism (Boiling Point)
→ PSV

- , (MSDS) , , , ,
→
- (2,550 Btu/hr/horsepower) , Wet Surface Area (Fouling)
- , , , , , ,
-
(Heating Source)
5.
55
- ( Steam)
(Cooling Source) -
(Cooling Source) -
(Laboratory or Pilot Plant) (Product Scale) Scale - up - Hot Spot
-
- , Ethylene Oxide organic oxide

. - - ()
Iso-butylene/MMA
56
-
- Semi-batch - - -
-
Solid
- (Boiling Point)
. () Check List
- Mechanism - - - - (Cooling) - - - (Steam or Hot-oil ) - - (Side Reaction)
() Check List - , -
PSV Rupture Disk polymer Rupture Disk PSV Sizing Two-Phase
-
5.
57

- (SIS) SIS System ( Fired Heater ) 2 out of 3 voting System
Temperature Rating, Pressure Rating, Vacuum Rating, Shell Thickness, Metallurgy, Vessel Elevation, Support Internal .
5.1.5
. 1 , . (1) 3.5/g (2) 0.3% (H2S)
(3) 10ppm (Sour water)
(4) 5% (Alkanolamines)

< 5-1> H2S
. (Nelson Chart) .
(kg/.A) 0 35.1 70.3 105. 140 . 175 . 210.9 351.6 492.3 562.6 703.2
6.0Cr-0.5Mo Steel
3.0Cr-0.5Mo Steel
2.25Cr-1.0Mo Steel
2.0Cr-0.5Mo Steel
Carbon Steel(Killed)
1.25Cr-0.5Mo Steel
1.0Cr-0.5Mo Steel
600
500
400
300 0 500 10 0 1 5 0 2 00 2 5 0 3000 5000 7000 8000 10000
(psia)
59
1. . 2. . 3. . ( .
(Surface Decarburization) - - - - - - (Internal Decarburization)
. : Demethanizer/Methanator/MAPD Converter :
1) ()
A-283 -29~343 A-285 -29~482 A-515 -29~538 A-516 -45~538
A387 Gr 2 -29~538 A-387 -29~649
A-240(300) -198~538
()
A-106 Gr B -29~538 API 5L Gr A,B -29~538
A-53 Gr B -29~482 A-333 Gr 1 -45~343 A-334 Gr 1 -45~343
A-333 Gr 3,4 -100~343 A-334 Gr 3 -100~343
A-335 Gr P1,P2 -29~538 A-335 Gr P5,P7,P9,P11,P12,P22 -29~649
A-312(300) -198~816 B-407&514(Incoloy 800/800H) 816
B-165(Monel 400) -198~816 B-619(Hastelloy B-2) -29~427 B-619(Hastelloy C276) -29~538
B-464(Carpenter) -29~427 B-474(Carpenter-20) -29~427
Iso-butylene/MMA
- Naphtha Cracking Heater - Methanator - Methanator Feed Heater
2) - Demethanizer - H2&CH4 Separator - - BD Retrograde Drum - Off Gas Exchanger No.1&2&3&4&5&6&7
. RT 100%

- - 38mm - 25mm - - 1 -
- Charge Gas Dryer - Caustic/Water Wash Tower - Propylene Fractionator - Super High Pressure Steam Drum - Binary Refrigerant Accumulator

61
. 1)
(1) (2) Caustic (3)
. .
(1) , (2) NACE Caustic SODA Service CHART

Iso-butylene/MMA
62
. : Spent Caustic Coalescer : Caustic Soda
.

KS B6733 10
38mm (, 32mm 38mm 95 , )
P-1, 2
16mm P-3, 4, 5 P-6, 7, 8, 11A
16mm(, 95 ) P-9A, 9B
- - -45 0.4

- Craking Reactor - IB Storage Tank - Boiler - Deaer - Superheater - Preheater
- 2001-59( , )
5.
63
P&ID B-1-2001
HE-(IB Superheater) tube (10/13 Rule ). 10/13 Rule : Tube 13
kg/cm2 Shell 10 kg/cm2
Shell
2002
HE-(2nd Air Preheater) Tube(50 kg/cm2) .
2003
RE-(First Oxidation Reactor) Shell 1.3 kg/cm2, LN 3kg/cm2 (Regualtor) .
5.2 P&ID
P&ID 2004
RE-A/B(Second Oxidation Reactor) RDA/B Flare System
2050 Air Comp. PSV ,
2060 FN-(Start-up Furnace) LPG
Start-up Furnace (Flame detector , )
5.
65
VE-(Solvent tank) VOC Hood
2102
CO-(Extractor)(PSV) , MAA ,
2104
VE-A Flame Arrestor NC open
Iso-butylene/MMA
P&ID 2213 HQ Inhibitor MSDS 2414
HE-(Cracking Gas Condenser) PSV 8 kg/cm2 , P&ID 6 kg/cm2
2418
HE-A(Methanol After Cooler) Tube PSVA 8 kg/cm2 , P&ID 6 kg/cm2
2504
PSV ( : 1.9 kg/cm2
) , HE- 1.2 kg/cm2(CO- :1.9 kg/cm2)
5.
67
P&ID 2602
VE-(Common spare tank) BL- () CSO .
2605
VE-(MAA Solution tank) BL- () CSO .
26022
EV-(Vaporizer) , ( )
HE-(Preheater) data , ( )
Iso-butylene/MMA
P&ID 26023
VE-(Air holder) 9.5 kg/cm2 , .
26025
VE-(Steam drum) 50 kg/cm2
PSV1/2 50 kg/cm2 , .
2803 ME-(Deodorizer) Vent Flare Flare System .
5.
69
6
6.1 .
P &ID List List Deviation List P &ID
. (Check Valve) Node . , (Steam Tracing, Electrical Heat Tracing) Node
.
. Input Flow as well as Output Flow part of .
6.2 , , , , , .
. H2 Attack Down Stream Hydrocarbon Flooding Sampling Point Over Flow
Iso-butylene/MMA
70
PSV Senario Design Pressure Design Temperature Bottom Line Pump NPSHA
. (Heat Exchanger) Sheet Pinhole Heat Exchanger Block Valve Cold Fluid Vaporizing Vibration Fouling Efficiency Thermal Expansion Joint Flashing Erosion & Corrosion Shell & Tube Design Pressure Shell & Tube Design Temperature 10/13 Rule PSV
. (Reactor) Channeling Overheating Regeneration Air, Instrument Air Plant Air
. (Fired Heater) Hot Spot Plugging(Coking ) Tube Fail Fired Heater Stack Damper Fired Heater Start up Outlet Flange Hydrocarbon
Leak Fired Heater Back Firing Desalter outlet Snuffing Steam : line
5.
71
Pilot Burner : Fire Box Purging Sequences :
Flame Detector :
: 1 : 1 2

Natural Draft (DAMPER )
KO Drum KO Drum Level gage high Level alarm Damper failure Fail safe damper Tube failure Low Flow alarm Low Flow cutoff
, 1000psi Coil Tube

. (Compressor) Centrifugal Compressor Dynamic Compressor Surge
Compressor Liquid Carry Over Compressor Reciprocating Compressor Compressor
Iso-butylene/MMA
72
. (Pump) Minimum Flow Pump Mechanical Seal Fail Hydrocarbon
. Hydrocarbon Tube
Leak Pinhole Hydrocarbon Cooling Tower Steam Condensate .
6.3 Craking Reactor , DME (Di-Methyl-ether) PWH(Demineralized Water) . Shell side . Washer . MTBE (Isobutylene Tower) MTBE . PIC , inert gas Blow down , .
6.4
6.4.1 1 () (Flamable Limit)
. MACR MAA
. MACR (Auto-Oxidation) Quenching ,
285 Quenching .
5.
73
HTS() (KNO3, Potassium Nitrate NaNO2, Sodium Nitrite) .
HTS HTS Vessel seal tank HTS Hold tank (N2)
Sealing , MAA
.
6.4.2 2
. MACR MAA
. MAA .
(Regulator) . Spare part 100%
6.5 HB MAA
6.5.1 Scrubbing Column
- . Hydroquinone(HQ) Pheno- thiazine(PTZ)
, Foam (Anti-Foaming Agent) .
HQ PTZ .
Iso-butylene/MMA
74
6.5.2 MAA Thin-film () Fouling(
) HQ .
- MAA , Steam Tracing line .
6.6 MACR (Stripper) Bottom liquid MAA HQ
. Foam . .
6.7 MAA . MAA Phenothiazine(PTZ)
Reboiler .
- Reboiler Tube() Shell() Shell .(10/13 Rule )
6.8 6.8.1
.( 80~95 )
6.8.2 MAA HQ Reflux ,
Rebolier .
5.
75
6.8.3 60 Torr , ( Film
) 45 Torr . HQ , Reboiler
.
6.8.4 ,
. HQ , Reboiler .
6.9
6.9.1 , . HQ Reboiler .
6.9.2 Final Column MMA . MMA MAA Emergency
Vent(cover) .
7