Maintenance
Maintenance
TokeepthePHEingoodconditionregularmaintenanceofthecomponentisrequired.Itis
recommendedtorecordmaintenanceofthePHE.
Theplatesneedstobecleanedonaregularbasis.Thefrequencydependsonseveralof
factorssuchastypeofmediaandtemperatures.
Differentmethodscanbeusedtoperformcleaning.Referto“Cleaning–Non-productside”on
page18orareconditioningatanAlfaLavalservicecenter.
AfteralongertimeofuseitcanberequiredtoregasketingthePHEbyexchangingthegaskets.
Referto“Regasketing”onpage29.
Othermaintenancethatshouldbeperformedregulary:
•Keepcarryingbarandguidingbarcleanandgrease.
•Keepthetighteningboltscleanedandgreased.
Cleaning–Non-productside
TheCleaning-In-Place(CIP)equipmentpermitscleaningofthePHEwithoutopeningit.The
purposeofcleaningwithCIPareasfollows:
•Cleaningoffoulinganddescalingoflimedeposits
•Passivationofcleanedsurfacestoreducesusceptibilitytocorrosion
•Neutralizationofcleaningliquidsbeforedraining.
FollowtheinstructionsoftheCIPequipment.
Warning!
Useproperprotectiveequipment,suchassafetyboots,safetyglovesandeyeprotection,
whenusingthecleaningagents.
Warning!
Corrosivecleaningliquids.Cancauseseriousinjuriestoskinandeye!
CIPequipment
ContactAlfaLavalsalesrepresentativeforsizeofCIPequipment.
Caution!
Theresidualsafteracleaningprocedureshallbehandledaccordingtothelocal
envionmentalregulations.Afterneutralizationmostcleaningsolutionsmaybedrained
tothewastewatersystemundertheconditionthatthefoulingdepositsdonotcontain
heavymetals,othertoxicorenvironmentallydangerouscompounds.Itisrecommended
theneutralizedchemicalstobeanalysedforanytypeofhazardouscompoundsthat
wereremovedfromthesystempriortodisposal.
DocumentIDLanguageEdition
18InstructionManual-PlateHeatExchangers3490010217EN2014-11