The purpose of our company is to win the market by quality, to cooperate with integrity and to aim at "producing quality products and providing excellent services".
As Zong Shen, LONCIN, Li Fan, and Xinyuan, Runtong Yinxiang, silver steel and other OEM support
Company mailbox:
Company phone:
023-68242910
底部版权
©2018 Chongqing hengniu Machinery Manufacturing Co., Ltd. all rights reserved.
Company address：
Xi Ma Town, Beibei District, Chongqing
NEWS CENTER
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Maintenance Method and Starting Notice of Oil Pump
Oilpumpsareoftenusedtotransporthighlycorrosive,abrasiveorvariablefluids.Pumpshell,shaftandbearingrawmaterialsmustfirstbematchedwiththepumpingliquid.Whenhightemperatureisconsidered,theplanningofoilpumpbecomescomplicated,andeventhethermalexpansionofvariousdataneedstobeconsidered.Intheoperationofoilpumps,differentqualityfactorsshouldbetakenintoaccounttoplayanimportantroleintalentandensurethattheycanplayanimportantroleintheprofession.Thepreheatingoftheoilpumpisright.Itcanpreventpartsfrombeingdamagedbyhightemperatureshock.Preheatingisrecommendedwhenthetemperatureofpumpingfluidishigherthan150C.Whenusingmechanicalseals,theoilpumpshouldbepreheatedtowithin30degreesofoperatingtemperaturedifferenceinordertopreventdamagetothesealingsurface.Jacketpumpcanbepreheatedbysteam,heatmediumandelectricheatingmethod.Viscosityistheresistanceoffluidmovement.Theproblemofhighviscosityoperationishowtomakethefluidenterthepump.Theoilpumprotatesveryslowlysothatthefluidentersthecavitybetweentheunmeshedteeth,whichconstitutesthesuctionforcetosuckthefluidintothepump.Thetighterthegap,thebettertheinternalsealingandsuctionoftheoilpump.(1)Preparationsbeforestartingtheoilpump:1.Whetherthesteeringofthetestmotoriscorrect(withthedirectionindicatedonthepumpbody),thetesttimeshouldbeshorttopreventtheinternalchangeofthepumpfromdryingandwearingoutofthegrindingpartsduetothenon-liquidsmoothness;2.Turnovertheexhaustvalvetofillthewholepumpbodyandclosetheexhaustvalveafterbeingfull;3.Checkwhetherthepartsarenormal;4.Thehightemperaturetypeshouldbepreheatedfirst,andthetemperatureshouldberaised.Speed50C/htoensureuniformheatingofcomponents.(2)Engineoilpumpstart:1.Closepumpoutletvalve;2.Openpumpinletvalvecompletely;3.Startmotor,inquirewhetherpumpoperationisnormal;4.Dispatchoutletvalveopeningtotherequiredworkingconditions,suchastheuserinstalledflowmeterorpressuregaugeatthepumpoutlet,shouldmakethepumpworkattheratedpointslistedinthefunctionparametertablebydispatchingoutletvalveopening,suchastheuseratthepumpoutlet.Whennoflowmeterorpressuregaugeisinstalled,theoutletvalveopeningshouldbeadjusted;themotorcurrentofthepumpshouldbemeasuredtomakethemotoroperatewithintheratedcurrent,otherwisetheoutletvalveopeningadjustedwellwillberelatedtothesmallandpipelineworkingconditions;5.Tochecktheleakagestatusoftheshaftseal,theleakageofthemechanicalsealshouldbelessthan3drops/dropinnormaltime.6.Lookatthemotor,thetemperatureriseatthebearingislessthan80C.(3)Oilpumpmaintenancemethods:1.Oftenfatliquoring,electricoildrumpumpforhigh-speedwork,smoothgreaseiseasytoevaporate,sothatthebearingsmoothcanbekeptclean,andpayattentiontoreplacement.2.Oilpumpsareofteninspectedforrepairs.Electricoildrumpumpsshouldbeinspectedandrepairedfrequently.Powersupplywiresshouldbeinspected:internalwiring,plugs,switchesareoutstanding,insulationresistanceisnormal,brushtailstockisloose,commutatorandbrushcontactisoutstanding,armaturewindingexpansionstatorissuitableforinterruption,bearingandrollingpartsaredamaged,etc.3.Keeptheelectricpumpsinadry,cleanandnon-corrosiveenvironment.4.Keepeachpartandchangethesamepartswell.Whendisassemblingandinspectingtheoilpump,everypartshouldbewellpreserved.Specialattentionshouldbepaidtotheflameproofsurfaceofflameproofparts,theflameproofsurfaceofflameproofparts,theinsulatinglinerandsleeve,whichcannotbedamaged.Iftherearedamages,newidenticalpartsshouldbereplaced.Substitutematerialsorpartsthatdonotconformtotheoriginalstandardsshouldnotbeselected,andthepartsshouldbeinstalledinaccordancewiththeoriginalstandards.Fixthepositionfirst,anddon'tloseit.5.Theoilpumpshouldpayattentiontotheinsulationresistance,andplacetheelectricpumpsunnecessaryorusedinwetenvironmentforalongtime.Theinsulationresistanceofthewindingscanbemeasuredbya500Vmegohmmeterbeforeusing.Iftheinsulationresistancebetweenthewindingandthemotorcaseislessthan7megaohms,thewindingwillbedulltreated.Ourcompany[ChongqingHengniuMachineryManufacturingCo.,Ltd]focusesonthedevelopmentofbasicproducts,strivestopromotetechnologicalinnovation,andcontinuouslyimprovesthequalityandeconomicbenefitsofenterprises.OurcompanyhassuccessfullydevelopedCY80,JY110,F25,F27andotherdomesticoilpumpsforconstruction.In2004,afterturningitsbusinesstoprivateenterprises,thecompanyhassuccessivelymatchedZongshen,Longxin,Lifan,Runtong,Xinyuan,Yinxiang,Yingangandothermainenginefactories,producingmorethan50kindsofoilpumpsandmorethan10kindsofwaterpumps.Nowthecompanyhasreachedtheannualproductioncapacityof4millionsetsofoilpumpsand1millionsetsofwaterpumps.Scale,ourcompany'sproductshavebeenwellreceivedbymajormainframefactoriesformanyyears.
2018-11-28
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Reliable performance and high wear resistance of small flow impurity residue pump
Residualoilpumpisakindofpumpwhichisdifferentfromgearpumpandsuitableforconveyingseriouswearofpumpproducts.Intheprocessofconveyingheavyoil,kerosene,tarandsoon,theeffectisverygood,whichavoidsthewearofordinarygearpumpshaftandsleeve.Inpetroleumexploitation,thebiggestuseofcentrifugalpumpissecondaryrecoverybywaterinjection.Whatlevelcanasmallflowresidualoilpumpachieve?JintaiXiaobiangivesyouadetailedexplanationandexplanation.Thesepumpsincludeunitsthatcollectcrudeoilusedonthecontinentsandoceans,unitsforpipelinetransportationofcrudeoilandrefinedproducts,andloadingandunloadingunitsoftankers,tankertrucks,bargesorrailwaytankers,allofwhichcanbereferredtoassmall-flowresidualoilpumps.Theproductsaremanufacturedwithhighstrengthwearresistantmaterials,whichareusedtotransportdifferentpetroleumproductsinthewholetemperatureandpressurerange.Thestabilityoftheproductsisbetter.Jintaispecializesinmanufacturingresidualoilpumps,includingreciprocatingpumpsforcirculatingmudduringdrillingoperationsandsubmergedcentrifugalpumpsdrivenbydeepwellsuckerrodpumps,hydraulicsuckerrod-lesspumpsormotors,whichhavegoodproductqualityandlowrepairingrate.Centrifugalpumpsareusedtotransportvariousliquidsinallliquidpipelinesintheworld.Atpresent,thereareZYBandGWBseriesofsmallflowresiduepumps.
2018-04-19
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Improvement of Market Situation of High Temperature Gear Oil Pump
Hightemperaturegearoilpumpcanreducetherejectionrate.Inthedie-castingprocess,themouldbeginstoneedpreheating.Inthepast,ittooktimeandmoneytoraisethetemperatureofthemouldbybeatingseveralmodelsofalloysolution.Withdie-castingtemperaturemachine,diepreheatingcanbedirectlyheatedtotherequiredtemperaturewithdie-castingtemperaturemachine,andwasteproductswillnotoccurduringpreheating;die-castingtemperaturemachinecanreducethewasterateto80%,andtheheatingtimeto30%.Thedistancebetweentheinletoftheintakepipeofthehightemperaturegearoilpumpandthebottomandwalloftheintakepoolislessthanthediameteroftheintake.Ifthereissedimentandotherpollutantsatthebottomofthepond,whenthedistancebetweentheinletandthebottomofthepondislessthan1.5timesofthediameter,itwillresultinpoorwaterintakeorsedimentimpuritiessuctionduringpumping,whichwillblocktheinlet.Hightemperaturegearoilpumpapplications:widelyusedinplasticrubberprocessingindustry,textileprintinganddyeingindustry,paintindustry,woodprocessingindustry,foodindustry,paperprintingandotherliquidheatcarrierheatingindustry.KCG,2CGMiniatureHighTemperatureGearPumpStructuralFeatures:Thisseriesofhightemperaturepumpconsistsofgear,shaft,pumpcover,shaftendsealandotherparts,allpartsaremadeofsuitabletemperatureresistantmaterials.TheworkingpartsofKCGand2CGhightemperaturepumpsarelubricatedbythemediumtheytransport.KCGhightemperaturepumpisequippedwithsafetyvalve,whichcanpreventdamagetopumpandmotorcausedbyoverload.Ironcastingssuchasbottomvalvesandelbowsofhigh-temperaturegearpumpsshouldbecleanedwithsteelwirebrushes,thencoatedwithanti-rustpaintandthenpainted,andstoredinthemachineroomorstorageroomafterdrying.Commonlyusedcoldwaterpumpsrefertopumpsthatcantransportliquidsbelow80degreesC.Theyarecalledcoldwaterpumps,andpumpswhosetemperaturesrangefrom80degreesCto120degreesCarecalledhotwaterpumps.KCG,2CGminiaturehightemperaturegearpumpusesPTFEasrawmaterial,whichhasexcellentthermaladaptabilityandensuresthesealingfunctionathightemperature.1.Beforeuse,checkthecables,switches,shockprotectorsandsoon.Switchesandotherelectricalappliancesshouldoperatenormally,andthecablesshouldnotbedamaged,andpayattentiontocarefullyidentifyingthecables.Yellowandgreendouble-colorwiresaregroundingwirestoavoidtheoccurrenceofleakageandelectricshock.(1)Thedistancebetweentheinletoftheintakepipeandthebottomandwalloftheintakepoolislessthanthediameteroftheintakepipe.Ifthereissedimentandotherpollutantsatthebottomofthepond,whenthedistancebetweentheinletandthebottomofthepondislessthan1.5timesofthediameter,itwillresultinpoorwaterintakeorsedimentimpuritiessuctionduringpumping,whichwillblocktheinlet.(2)Whentheinletdepthoftheintakepipeisnotenough,itwillcauseawhirlpoolaroundtheintakepipe,whichwillaffectthewaterandreducetheoutflow.Theexactinstallationmethodisthatthewaterinflowdepthofsmallandmedium-sizedpumpsshouldnotbelessthan300-600mmandthatoflargepumpsshouldnotbelessthan600-1000mm.Itiswellknownthatgearpump,screwpump,marinecentrifugalpump,rotorpump,specialgearpumpandotherrelatedindustriesrelyonthefoundryindustry.Withtheincreasingenvironmentalpollutioninrecentyears,hazeinvadesusfromtimetotime.Thiswilldefinitelyeliminatelow-endproducts,specialgearpumpsandotherrelatedproductswillbegreatlyimproved.IbelievethatMadeinChinawilldefinitelyexperiencethesublimationofPhoenixNirvana,letChinesewisdominfluencetheworld,letMadeinChinaspreadallovertheworld,andrealizethegreatrejuvenationoftheChinesedream!
2018-04-19
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Current Situation and Development Trend of Industrial Pump Industry in China
Accordingtostatistics,therearemorethan2000pumpmanufacturersofacertainscaleinChina.Thewholepumpindustryproducesabout450series,morethan5000varieties.GeneralpumpscanbebasicallydesignedandproducedinChina.Sincethe1980s,Chinahasintroducedmorethan100seriesandmorethan2000varieties,whichnotonlygreatlyimpactedthedomesticbackwardpumpmarket,butalsonarrowedthegapwithforeignproducts.Inaddition,throughjointventuresandcooperationwithforeigncountries,thetechnologylevelofkeypumpsinChinaisapproachingtheadvancedlevelofsimilarpumpsabroad.Fromthecurrentsituation,thedomesticpumpmanufacturingindustryiscomposedofthreepartsofenterprises.Thesethreepartsofenterprisesare:state-ownedenterprisesreformedbyjoint-stocksystem;jointventuresandforeign-controlledjoint-stockenterprisesandalargenumberofprivateenterprises.Accordingtotheanalysisofsalesperformanceinrecentyears,theleadingpumpmanufacturerisalargeprivatepumpmanufacturer.Theynotonlyrankhigh-endpumpmanufacturingindustry,becomethebackboneofthepumpmanufacturingindustry,butalsohavetheabilitytofollow-updevelopment.However,alargenumberofsmallandmedium-sizedprivateenterprisesarestillatthebottomoftheindustrialchain.Iftheydonotstriveforprogressanddonotwanttodevelopjointly,itwillbedifficultforthemtocontinueforalongtime.Althoughthestate-ownedenterprisesafterthereformofthejoint-stocksystemhavebeenstrugglingforquitealongtime,itisgratifyingthatafterintegrationandrestructuring,theyhavegraduallysteppedoutofthetroughandbecomeagrowingforceinthepumpmanufacturingindustry.Stockcompanies,orevenwholly-ownedenterprises,currentlyoccupyanimportantpositioninthedomesticpumpmanufacturingindustry.Someformerlyseniorlargestate-ownedenterpriseshavetradedtheirmarket,landandhumanresourcesfortechnologysharesofforeignpumpmanufacturingenterprises.Thishasenabledustorapidlyimprovethelevelofsomekeypumps,andatthesametime,thesejointventuresorforeign-fundedenterprisesthemselveshavebecomeverypopularinChina.Butweshouldalsoseethatmostofthepumpsmanufacturedbytheseenterprisesarestillinthemanufacturingcategoryofordinarypumps,andthereallyneededhigh-endproductsstillneedtobeimportedfromabroad.Sofar,thedomesticpumpindustryhasnotformedarealbrandadvantage.Thedevelopmentofpumpindustrymainlydependsonstrongdomesticdemand.Duetothestrongdomesticdemandinthenextfewyears,thereisroomforthedevelopmentofdomesticpumpindustry.Butthecompetitionisfierce,includingwiththeforeignpumpindustry.Duetothegraduallossofcomparativeadvantageofthedomesticpumpindustryandthedeteriorationofexportconditions,theexportofpumpsisexpectedtobesuppressed.Itisexpectedthatthepumpproductswillbediversifiedandthematchingcapacitywillbefurtherimproved.AsthedomesticpolicyofencouragingnewproductstobemadeinChinawasfirstoutlinedbythegovernment,itisexpectedthatthedevelopmentofurgentlyneededhigh-endpumpsinChinawillbestronglypromoted.Somenewproducts,suchasenergy-savingandenvironmentalprotectionelectromagneticheatpump,willbepromotedandappliedundertheguidanceofthepolicy.Thelevelofpumpdesignandadvancedmanufacturingtechnologywillbefurtherimprovedinlargepumpfactories.Thecombinationofthetwotechnologieswillbringaqualitativeleaptopumpfactories.Asmentionedearlier,thecompetitionindomesticpumpindustryisintensifying,whichwillleadtothegradualeliminationofsomepumpmanufacturingenterprisesandenterpriseswhosetechnologycannotkeepupwiththerequirements.Inthefuture,domesticdemandforpumpproductswillmainlyfocusonthefollowingareas:Environmentalprotectionindustry:Thestateintendstoinvestahugesumofmoneyintheconstructionofsewagetreatmentplantsandindustrialwastewatertreatmentplants.WaterSupplyProject:TheSouth-to-NorthWaterTransferProjectanditsbranchwatersupplyprojectarestillurgentlypromotedinChina.PowerStation:ThereisstillashortageofelectricityinsomepartsofChina,andtheconstructionofnewpowerstationsisinevitable.Therefore,thereisstillastrongdemandforpumpsforvariouspowerstations.PetroleumandPetrochemicalIndustry:PetroleumandPetrochemicalIndustrystillhasgreatdevelopmentspaceinthefutureandinChina.Therefore,variouspetrochemicalandpetroleumpumpsareingreatdemandinChina.FarmlandWaterConservancyConstruction:Withthenationalpolicybenefitingtheruralareas,thegapoffarmlandwaterconservancyconstructionwillinevitablybesupplementedatafasterpace.Thisisanareawheredemandcannotbeunderestimated.Before2015,thedomesticeconomywasstilldevelopingvigorously,andthedemandforpumpsinallwalksoflifewasstillstrong.Therefore,relyingondomesticdemand,China'spumpindustrystillhasroomfordevelopment.
2018-04-19
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The cause of leakage of water pump? How to deal with the leakage of water pump?
1.CausesofWaterLeakageinPumps(1)Whenthepumpisinstalled,thewatersealringassemblyisnotinstalledinplace,causingthepumptocontinuetoleak.Becausethereisawaterringonthepumpshaftcorrespondingtotheinspectionhole,whenthewatersealleaks,thecoolingwaterwillbethrownoutanddrippedoutfromtheinspectionholeofthepumpwhenitmeetsthewaterringalongthepumpshaft,whichcanpreventthecoolingwaterfromenteringthebearinganddestroyinglubrication.Inaddition,whenreplacingthewaterretainingring,thepumpbodyandthepumpcovercannotbewellcombinedandsealed,whichwillalsocausewaterleakage.(2)Theworkingenvironmentofconstructionmachineryisharsh,whichcaneasilycauseunevenwearandtearbetweenrubber-woodgasketandbushingendsurface.Springisimmersedinwaterforalongtime,whichiseasytorustandreduceelasticity,andcanalsocausewaterleakage.(3)Itispossibletofreezeandcrackthepumpbodyandcausewaterleakageifthewaterisforgottenornotdischargedinwinter,andwhenthetemperatureistoohigh,andthewatervaporinthecoolingsystemfreezesaftercondensation.(4)Oldmachines,wear,rustandagingfailureofpartsinwatersealsarealsothecausesofwaterleakageofpumps.Whentheconstructionmachineryisparkedforalongtime,thereisnocoolingwaterintheengine,whichcausestherubbersealinggaskettobedeformedduetodryingandcontraction.Afteraddingwater,therubbersealinggasketwillexpandbutnotcompletelyrestoretoitsoriginalstate,whichwillcauseasmallamountofleakage.Inaddition,thenewlyinstalledbakelitesealgasketandcastironbushinghavenotbeenfullyrun-in,whichwillalsoleadtoasmallamountofwaterleakageofthepump.2.EmergencymeasuresIfitisfoundthatthepumpoftheengineisleakingwater,itmustnotstopworkingimmediately.Itshouldkeepitsworkingspeedattheloweststablespeed,andaddwatertotheinnersideofthecoolingsystematthesametime.(Note:whenopeningthenozzlecover,acovershouldbeplacedaboveittopreventsteamfromburning),sothattheenginecancooldown,driveatashorttimeandaslowspeed,andthengotoanearbyconcealedplace.Exclude.Ifthepumpcasebreaksdownandleaks,orthepumpinternalpartsaredamagedandlosethepumpfunction,therelevantpartscanbereplacedasappropriatetoeliminatethefailure.Ifthepumpisbadlydamagedandthereisnorepairconditionontheway,theinletandoutletpipesofthepumpcanbedirectlyconnectedtomakefulluseofthenaturalcirculationofhotandcoldwatertotemporarilykeeptheengineatnormaltemperature;oraninnertubeorbucketcanbeusedasacontainertofirmlyfixit,andthentworubberpipesareintroducedfromthecontainer,oneofwhichisconnectedtotheinletoftheengine,andtheotherisconnectedtotheinletoftheengine.Oneisconnectedtotheoutletoftheengine,theotherendofthetwopipesisinsertedintothecontainer,andtherubberpipeshouldbefixedfirmly.Ifonlythepumpshellcracksandleaks,thecrackscanbecleanedupandthenbondedwithadhesives.Inordertomeettheemergency,eggwhiteandcementcanbemixedintoastickymassandappliedtothecracks,whichcanbeusedafterseveralminutesofsolidification.Inthecourseofrunningorworkingofconstructionmachinery,leakageofwatersealofpumpsisalsoacommonoccurrence.Emergencytreatmentcanbecarriedoutaslongastherearenofaultssuchasdamageorswellingdeformationofthewaterthrowingring,insufficientspringforceorbreakageofthewaterseal.Theconcretemethodsofemergencytreatmentareasfollows:ifthewatersealofthepumpleaksslightlyduetoimpropersealing,butthewearisnotserious,anabrasiveclothcanbelaidontheglassplateortheflatplate,andthesealingsurfaceofthewatersealcanbesmoothed,orthebakelitewatersealcanbeturnedoverandusedagain.However,itshouldbenotedthatthecontactsurfacebetweenthewatersealandthepumpbodyshouldbegroundtoensureitssealingperformance.
2018-04-19
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