Coatings&Washing

8/19/2019 Coatings&Washing

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Performance Improvements forPerformance Improvements forTurbomachineryTurbomachinery

Anti-Fouling & On-line Washing


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Charge Gas CompressorCharge Gas Compressor


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Charge Gas CompressorCharge Gas Compressor


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y!rogen "ecycle Compressory!rogen "ecycle Compressor


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Original Anti-Fouling CoatingOriginal Anti-Fouling Coating

Pos Coat !ultilayer system

"luoropolymer organic top coat


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Pos- -CoatPos- -Coat Advantages

Retard fouling process and prolong runtimes of compressors

!inimi#e fouling related $ibration %nhance rotor reliability and impro$e efficiency Reduce cleaning and turnaround costs Pre$ent corrosion related damage, which is a fre&uent cause of

catastrophic failure Applications

Centrifugal compressor rotors ' diaphragms and aialcompressor rotors ' stator blades and P turbine components *ypical applications include+

Cracked gas compressors at ethylene plants atural gas compressors -as turbine compressor sections

.ndustrial air compressors team turbine P stage blades and disk below 011o"

Properties *ypical thickness 1211312114 in2 (12511250 mm) *ypical surface finish Ra601 micro in2 (12115 mm) !a temperature 0117" (8417C) continuous

4117" (9507C) : 5 hour afe p; range 3 to <


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#e$t Generation Coatings#e$t Generation Coatings Pos Coat Plus

!ulti or ingle layer system *eflon *ype =rganic top coat (nonstick)

-al$anic acrificial basecoat (corrosion)


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Pos- -Coat PlusPos- -Coat Plus Advantages

Retard fouling process and prolong runtimes of compressors

!inimi#e fouling related $ibration %nhance rotor reliability and impro$e efficiency Reduce cleaning and turnaround costs Pre$ent corrosion related damage, which is a fre&uent cause of

catastrophic failure Applications

Centrifugal compressor rotors ' diaphragms and aialcompressor rotors ' stator blades

*ypical applications include+o Cracked gas compressors at ethylene plantso atural gas compressorso -as turbine compressor sections

o .ndustrial air compressors Properties

*ypical thickness (!layer) 12119 in2 (121> mm) *ypical thickness (layer) 12115 in2 (1219 mm) *ypical surface finish Ra601 micro in2 (12115 mm) !a temperature 9117" (5017C) continuous afe p; range 3 to <


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#e$t Generation Coatings#e$t Generation Coatings Pos 089

;ea$yduty metallic coating ickelPhosphorous alloy

? ess susceptible to tress Corrosion Cracking


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Pos- -Coat %'Pos- -Coat %' Advantages

Retard fouling process and prolong runtime of compressors !inimi#e fouling related $ibration %nhance rotor reliability and impro$e efficiency Reduce cleaning and turnaround costs Pre$ent corrosion related damage, which is a fre&uent cause of

catastrophic failure Pre$ent corrosion related damage to maintain material integrity @llow inline inAection cleaning w/o deteriorating coating system

Applications Centrifugal compressor rotors ' diaphragms *ypical applications include+

Chlorine gas compressors Cracked gas compressors at ethylene plants ;ydrogen recycle compressors at refinery plants atural gas compressors

Properties *ypical thickness 12118 12119 in2 (1210 121> mm) *ypical surface finish Ra630 micro in2 (12115 mm)

!a temperature 0017" (8


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Comparison - Coatings vs( )are *teelComparison - Coatings vs( )are *teel

0

20

40

60

80

0 200 400 600 800 1000 1200 1400

Bare Steel

EL-Ni (550!"P

EL-Ni#"P

o $ l % e i

g & t ' ( g )

Scr$* +,cles


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*+,,A"*+,,A"

A IG. *+CC/**F+.

COATI#G **T/, O0/"

T/ /A"* FO" A#TI-

FO+.I#G & CO""O*IO#

P"OT/CTIO#

A #/W COATI#G **T/,WIT *+P/"IO" A#TI-FO+.I#G P/"FO",A#C/

A ,O"/ 1+"A)./,/TA..IC A#TI-FO+.I#G& CO""O*IO# "/*I*TA#TCOATI#G **T/,

I#T/#1/1 FO" TO*/APP.ICATIO#* "/2+I"I#GAGG"/**I0/ I#-.I#/I#3/CTIO#*

523 523


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Cleaning PhilosophyCleaning Philosophy

Pre$enti$e !aintenance

.mpact the egradation Cur$e

tart Clean, eep it Clean


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Cleaning ,echanismsCleaning ,echanisms

!echanical

Dse of abrasi$es

By;and (!echanical)

Eashing (Chemical / Eater)

ol$ent Eashing ystem *reatments

Boiler feed water for eample


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Washing Techni4uesWashing Techni4ues

.n-line (/ngested in Process! Eater

=il

etergent

.-line (+ran Soa!

Eater etergent


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+entri$gal +opressor +leaning+entri$gal +opressor +leaningS,stesS,stes

%ater provides cooling &ic& retards t&e

rate o pol,eri3ation *$t oers little in

cleaning capa*ilit, %ater cannot *e $sed

in soe closed s,ste processes

%as& oil solvents provide soe cleaning

*, dissolving soe organic containants

*$t do little to retard and in act a,contri*$te tot&e pol,eri3ation

pro*le /norganic containants are not

sol$*le in petrole$ distillates


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Cleaning CapabilitiesCleaning Capabilities

Chemical Cleaners

o##le @ssemblies kid Packages


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*ystem 1esign*ystem 1esign

.nAection ystems can ha$e the

following subsystems+

o##le array or manifoldno##lering2

"luid deli$ery system

Control system


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Flui! 1elivery *ystemsFlui! 1elivery *ystems

7E9/7E: +.#P.NEN;S

7-#+

A/7 P9#P


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#o55le Assemblies#o55le Assemblies

Cleaning

F=nline

F=ffline

"ogging

!ass "low (: 9G total)


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Typical ,ultistage Centrifugal Compressor

*uction1ischarge

Impellers

1riven /n!

Case

"otor


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;eperat$re?Press$re

@

%ater or

solvents

inected into

s$ction port

ro eternalsid

;,pical +ooling /nection S,ste

+ontainants

eit into

disc&arge port

separators

Spra, No33les

NoteC D " o total ass lo

t&ro$g& t&e $nit (incl$dingno33les!


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;,pes o Sids;,pes o Sids

Basic kids

Custom kids

Dpgrades and modificationsto installed/eisting skids


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Basic SidBasic Sid

Constant flow at constant pressure !any rates a$ailable

@ll wetted surfaces

afety shutoff (flow or temp) !eets most =%! flowrates


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Basic SidBasic Sid


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+$sto Sids+$sto Sids

Capabilities+F PC

F ;eated tanks

F

@P. compliant or %plosion proof F *railer mounting

F *ouch pad controls

F

V"+ !ultifunctiononline

offline


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+$sto Sids+$sto Sids


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S,ste :esign

Control ystems 7ange ro t&e siple to t&e

cople

+onstant vol$e s,stes needonl, provide t&e reF$isite F$antit,

o l$id at t&e appropriate press$re

;&is is essentiall, an G.n-.Hs,steI an$all, operated and

onitored

+ t i l + +l i+ t i l + +l i


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Eperience &as s&on t&at Gcooie

c$tterH sol$tions are seldo eective

7ecogni3ing t&e diic$lt, o devising a

single sol$tion or a cople and d,naic

pro*leI taes an approac& &ic& $tili3es

t&e appropriate tec&nolog, or t&e site

speciic pro*le

+entri$gal +opressor +leaning+entri$gal +opressor +leaning

S,steS,ste


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+&eical +leaners+&eical +leaners

Non-laa*le

Non-;oic

Biodegrada*le

#eets All .E# Speciications


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An, $estionsJAn, $estionsJ

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