Double pipe leak detector construction guide
一、Wiringeffectdiagram:二、Constructionrendering:
Double tank leak detector construction guide
First,theorderdata:◆Flangediameterofthemountingport.◆Mountingflangefacetothebottomofthetank.Second,specialconsiderations:◆SYW-EtypeleakdetectionsensormustbecombinedwithGH-SLItypedoubletankleakdetectortoformanintrinsicallysafeexplosion-proofsystemforuseinhazardousareas.◆TheGH-SLIdoubletankleakdetectormustbeplacedinanon-hazardouslocationthatdoesnotcontainexplosivegasmixtures.TheSYW-Etypeleakdetectionsensorbelongstotheintrinsicallysafeproduct.ItmustbeequippedwiththeassociatedequipmentsafetybarrierwhenconnectingwiththeGH-SLItypedoubletankleakdetector.Theconnectioncableisafour-coreshieldedwire(itmusthaveaninsulatingsheath)),theshieldmustbegroundedtothegroundoftheGH-SLItypedoubletankleakdetectorinasafeplace.◆Cablewiringshouldeliminatetheinfluenceofelectromagneticinterferenceasmuchaspossible,andthecabledistributioncapacitanceislessthan1.0μFandthedistributedinductanceislessthan1mH.◆Usersarenotallowedtoreplacethecomponentsofthesensorwithoutauthorization,affectingtheexplosion-proofperformanceoftheproduct.Themanufacturershouldjointlysolvethefaultsintheoperationtopreventtheoccurrenceofsafetyaccidents.◆Theinstallation,useandmaintenanceoftheproductshouldcomplywiththeproductspecification,GB3836-2010explosion-proofstandard,automotiverefuelingdesignandconstructionspecificationsandothernationalstandards;mustbeinstalledbytheunitwithexplosion-proofelectricalequipmentinstallation,useandmaintenancequalifications.Third,wiringtransformation:◆Theprobeofeachtankneedsaseparatecommunicationcabletoconnecttothetouchconsole.Thecommunicationcablesofallprobesmustbeworninthegalvanizedpipe(theelbowconnectionisrequiredatthebend).Ensurethattheinsulationsheathofthecommunicationcableisnotdamaged;◆Wiringnumber:Thecommunicationcablerequirementnumberofeachtankfromthemanholetothetouchroomofthemonitoringroom.Thenumberisbasedonthetanknumber,whichisconvenientfordistinguishingandinstalling;◆Thecommunicationlinecannotbeworninthesametubeasotherlines,andthedistancefromotherlinesisgreaterthan400mm.◆485bussystemwiringcanbeusedunderspecialcircumstances,asshownbelow: Effectchart Constructiondrawing:
Gas station level gauge construction guide
First,thetankarearisertransformation: ◆4inchriserprocessingandwelding:therisermustbeweldedverticallytothemanholecover,andtheinsideofthemanholecovershouldnotexceed50mm.Theinnerwalloftheriserissmoothandfreeofweldingslag; ◆Therightsideoftheriserweldingpositionshouldbefreeofobstaclestothebottomofthetank,otherwiseitwilleasilycausethefloattomovepoorly; ◆Theexposedlengthofthegalvanizedthreadingpipeinthemanholewallis100mm,theexternalthread(G3/4)is25mmlong,thecommunicationcableisexposed500-600mm(asshowninFigure1),andthesurroundingareaisfreeofobstacleswithin150mm.Noobstacleswithin300mminfront; ◆Thecenteroftheblindplateshallbeweldedwithalengthof50mmgalvanizedpipeandtheouterwirepipethread(G3/4)withalengthof25mm; ◆Asbestospadsealisaddedbetweentheflangeandtheblindplate,andthecopperbarisusedforbridging; Second,wiringtransformation:(Figure2) ◆Theprobeofeachtankneedsaseparatecommunicationcabletoconnecttothetouchconsole.Thecommunicationcablesofallprobesmustbeworninthegalvanizedpipe(theelbowconnectionisrequiredatthebend).Ensurethattheinsulationsheathofthecommunicationcableisnotdamaged; ◆Wiringnumber:Thecommunicationcablerequirementnumberofeachtankfromthemanholetothetouchroomofthemonitoringroom.Thenumberisbasedonthetanknumber,whichisconvenientfordistinguishingandinstalling; ◆Theliquidlevelmetercommunicationcan'tbeworninthesametubewithotherlines,andthedistancefromotherlinesismorethan400mm.。 Third,thetankmonitoringroomtransformationprogram: ◆Touchingconsolefixedposition:AsshowninFigure3,twoholeswithdiameterΦ8anddepthof60mmaredrilledwithimpactdrill,TCC-1holespacingis270mm,TCM-2holespacingis250mm.ExpansiontubesizeΦ8×48twopieces,panheadwoodscrewsST4×60twopieces; ◆Indoorwiring:fromtheirrigationareatothemonitoringroom,thefour-coreshieldedcabletothetouch-typeconsoleisonlybelowthehorizontalorverticalline,thecornerisconnectedwithelbows,allthecablesareinthelineslot,nobarelinesThetwoendsofthecableslotshouldbesealed(includingallgroundingwires),andthecabledirectlyundertheconsoleisreservedforabout0.5meters; ◆Groundingwire:Touchtypeconsoleandpowersocket(plugstrip)requirereliablegrounding,groundingresistanceislessthan1Ω,groundingwireismulti-strandcoppercord,diameterrequirementis≥4mm2,andthedistancebetweentheplug(power)andtheconsoleisthefarthest.Mustnotexceed1.5meters; ◆Threadingpipe:Thethreadingpipeismorethan200mmawayfromtheindoorfloor,andtheindoorthreadingpipeportneedstobesealedwithexplosion-proofmud; ◆Outdoorexplosion-proofelectricbellwiring:Thefour-coreshieldedcablepassesthroughthecabletroughfromtheconsoleofthemonitoringroomtotheinstallationoftheexplosion-proofelectricbellinthetankarea.Thecablefortheinstallationoftheexplosion-proofelectricbellisreservedfor2meters,andthecablebelowtheconsoleisreservedforabout0.5meters.. Constructionrequirements: 1.Theriserweldingpositionisascloseaspossibletothetankdiameterposition; 2.Theriserisperpendiculartotheoillevelofthetank; 3.Theinnerwalloftheriserissmoothandhasnoweldingslag; 4.Noobstaclesintheverticalareabelowtheriser. Blindboardprocessingrequirements: 1.Thesizeofthemountingholeoftheblindplateismatchedwiththepipeflange; 2.Smoothwelding,noweldingslag; 3.Surfacespraytreatment(anti-rustpaintorsilverpowder). Riserprocessingrequirements: 1.Theouterdiameteroftheriserandtheinnerdiameteroftheflangeshouldnotbetoolarge; 2.Theriserweldingpositionisascloseaspossibletothetankdiameterposition; 3.Theriserisperpendiculartotheoillevelofthetank; 4.Theinnerandouterwallsoftheriseraresmoothandhavenoweldingslag; 5.Noobstaclesintheverticalareadirectlybelowtheriser; 6.Surfacespraytreatment(anti-rustpaintorsilverpowder).
