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Qingdao Guihe Measurement&Control Technology Co.,Ltd all rights reserved   鲁ICP备16008661号  Powered by www.300.cn


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Dongjia Road ,Huangdao District Qingdao city

Qingdao Guihe Measurement&Control Technology Co.,Ltd

Qingdao Guihe Technology Co.,Ltd was established in August 2003 ,we are the professional manufacturer for petrol station and oil depot equipment .Through more than 13 years of hard work & development


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0532-88189858

2019-01-11 10:39:00
Double pipe leak detector construction guide
一、Wiringeffectdiagram:二、Constructionrendering:
2019-01-11 10:28:00
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:
2019-01-11 10:07:00
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).
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