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ID:34655912
大小:1.41 MB
页数:12页
时间:2019-03-08
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1、VerticalplatepressurefilterVPApressurefiltervpaMechanicaldewateringbypressureAsparticlesgetfinertheresis-Forverticalplatepressurefilterseithercom-Thesecanbeactivatedduringcakedischargepressionoracombinationofcompressiontoensurefullremovalofcakefromthecloths.tanceagainstremovingwaterandairthrou
2、ghblowisused.Thefilterplatesarelinkedtogetherandtoincreases.GravitydewateringTheVPApressurefilterbasicallyconsistsofathemovablehead,sothatthefilterplatescannolongerbeused,pressurefabricatedheadstandandanendframe,areopened“concertina”styleandtoprovidehastobeused.joinedbytwosidebeams,whichsuppor
3、taccuratespacingbetweentheplatesduringthemovablehead(pressurepiece)andtheopening.SimilarlytheclothsupportbarsareBycreatingadifferentialpressurefilterplates,whicharefittedbetweenthealsolinkedtogethertoensurethattheclothsDpacrossacakeofsolids,liquidfixedandmovableheads.arealwayslocatedbetweenfil
4、terplates.canberemovedbyPullingtypehydrauliccylinders,2forVPA10Thefilterclothsupportbarsalsoserveassizeand4forVPA15andVPA20sizefilters,spraypipes,beingfittedwithspraynozzlesCompressionareusedtoopenandclosethefilterandtoandbeingfedfromafixedheaderpipeandprovidethenecessaryclosingforceduringflex
5、iblehoses.Asthespraynozzlesarelocat-“Dewateringbycompressionmeansreplac-filtration.edbetweenthefiltercloths,theclothwashingtheliquidinacakewithparticles”.Filterclothsaresuspendedfromtubularsup-wateriscontainedbetweentheclothsandthroughblowportsandhangbetweenthefilterplates.oversprayiseliminate
6、d.“Dewateringbythroughblowmeansreplac-Theclothsupportbarsarecarriedonanupperingthewaterinacakewithair”.frametowhichvibratormotorsarefitted.2pressurefiltervpatheheartofthesystemisthepressurefilterwhichisavailableintwobasicversions,vpaandvpC.VPAmeansVerticalPlateAirblowanddesignatesthefilterThis
7、machinecanoperatewithpressuresupto16barandiswhichprovidesforcompressedairdewateringofthefilterusedwherehighpressurefiltrationandmembranepressingcake.isrequiredfordewatering.Theoperatingpressureofthismachineisusually7-10barThefieldofappl
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