European Advances in Supermarket Refrigeration Leak Reduc

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1、EuropeanAdvancesinSupermarketRefrigerationLeakReductionChristophMeurerSolvayFluorGmbH,GermanyAgendaEuropeanSupermarketsBusinessSpecificsRefrigerationSpecificsEuropeanLegislationandStandardsEmissionresultsfromthefieldMarketStructureGermanySalesAreaNr.ofstoresOtherFoodretail<4000ft²36.332Disco

2、unter≈10.000ft²12.770Supermarket4.000-15.000ft²9.230Cons.market15.000-50.000ft²1.682Hypermarket>50.000ft²681EuropeanSupermarkets–BusinessSpecificsEuropeanSupermarketsAverageRetailSpace[m²]EuropeanSupermarkets–BusinessSpecificsEuropeanSupermarketsShopsaregenerallysmallerDeviationsinbusinessst

3、ructurefromcountrytocountryDiscountersaregainingpopularity–especiallyinGEREuropeanSupermarkets–BusinessSpecificsEuropeanSupermarketsConventionalMultiplexLow-ChargeMultiplexEuropeanSupermarkets–RefrigerationSpecificsEuropeanSupermarketsAccessabilityofpipeworkkeydesigncriteriaforSupermarketcha

4、insLeaktestmethodsarebeingoptimised(pressuredroptestsoverrated/newdetectorsfindleaks<5g/anno)Nr.offlaresreducedTotalpipelengthreducedEuropeanSupermarkets–RefrigerationSpecificsEuropeanSupermarketsCapacityofrefrigerationpackagesrelativelysmalltypicalGERsupermarket:75kWmedium/35kWlowDiscounte

5、rmarkets(GER)usuallyoperatewithplug-infreezersforlowtempanddistributedsystemsformediumtempEuropeanSupermarkets–RefrigerationSpecificsDesignCriteriaPipesshallbejoinedbyweldedorbrazedjointsFlaresjointsshallnotbeusedDetailedrequirementsforrelief/safetyvalves(usuallyblowingtolowpressuresidenotam

6、bient)Systems>300kgshallbelocatedinmachineryrooms(min.compressorracks)….EuropeanSupermarkets–LegislationSTEKRegulation(NL)STEKRegulation(NL)ServiceCriteriaSystemswithcharge>3kgshallbeinspectedannuallySystemswithcharge>1000kgshallbeunderconstantsupervisionLogbooksmustbekeptforallsystems>3kgch

7、argeRefill/topuponlypermittedifleakisidentifiedEuropeanSupermarkets–LegislationEuropeanLegislationService/MaintenanceregulationframeworksimilartoNLSTEKMandatoryserviceintervalls:charge>3kgevery6monthscharge>300kgevery3monthsLegalBaseforthatpartis„P