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OurcompanyhassignedanannualsupplyagreementwithCNOOC(China)Co.,LTD

Ourcompanywonthebiddingfor2016ceramicproppantofChinaNationalPetroleumCorporationandsignedthesupplyagreement

Our company won the bidding for 2016 ceramic proppant of China National Petroleum Corporation and signed the supply agreement

Spheroidizationprocessofceramsitesand.Intheprocess,thefreshwetceramsitesandandthecirculatingsieveresiduearemixedevenlyandusedasthefeedforthedrum.Atthefeedendofrotarydrum,therearetwowaystoincreasetheparticlesizeoffreshfeed,oneisthatthefreshpowdercladdingisontheexistingrecycledgranule,theotheristogeneratenewagglomerates.Iftheoperationisstable,mustmakethestabilityofthemassofthenewnucleargenerationrateandgrainsizemeettherequirementsofmassproductionratesareequal,infactit'sdifficulttoachievethebalanceofaccurate,becauseevenifthewetcontentintherawmaterialintheprocessofnodulizingandrawmaterialinputflowrateremainsthesame,intheprocessofmaterialcirculationwillalsochange(pulse).Intypicalindustrialoperations,thecycletimeisbetween8and12minutes,thematerialcyclevolumeis150%to300%ofthefeedflow,andthefluctuationrangeis20%oftheaverage. Becausetherotarycylinderdoesnothavethesameautomaticscreeningfunctionastheswashplate,thesizedistributionrangeofmaterialdischargedfromthecylinderisverywide.Therefore,thecirculardrumsuwawithaclosed-circuitwaytosiftleftovermaterialbacktothedrumentrance(ofcourse,ifthereisasieveonthethingshouldbebroken).Inaddition,aswiththeoriginalceramsitespheroidization,ifthedesiredparticlesizeisincreasedinonepass,thelengthoftherotarycylindermustbelarge.Therefore,itisnecessarytocirculatethematerialthroughtherotatingcylinderseveraltimes.Ifcyclicoperationisadopted,largespaceisrequiredandthesameauxiliarymachinesastheslantingplategranulatorarecommonlyused.Inaddition,controlproblemsexistinthespheroidizationprocessitself. CarterandWrightdescribethefluctuationsinthespheroidizationprocessofceramsitesand.Ifthereistoomuchfluctuationinoperation,itisprobablycausedbylowmoisturecontent.Thepelletizationratebegantodecreaseduetooperationalfluctuations,thematerialcirculationvolumeincreased,andthelumpcoregrowthratewasfurtherhinderedbecausemostofthefreshrawmaterialswereusedforthegranularitycoarseningoftherecycledmaterials.Duetothedecreaseofnucleargrowthrate,thespheroidizationprocesstendstobeinterrupted,thatis,thecoarseningofcircularballsizeactuallypreventstheformationofagglomeratesuntilthecircularballsizeislargeenoughtoberequired.Whenmostofthesystemmeetsthegranularityrequirementsandisspheroidized,thecorereforms.Thewholeprocessstartsalloveragain. Thus,theincreasednucleargrowthratecanobviouslyimprovethestabilityofsystemblowing.Thefillingofwaterbysprayintherotatingcylindercanreducetheamountofmaterialcirculationandreducethefluctuationoftheprocess.However,theformedlumpsmayhavelowstrengthandirregularshape,sowhenthematerialcirculationisrelativelylarge,fluctuationshouldbeavoidedandtheoperationshouldbestable,otherwisetheproductqualitymayhaveproblems.Therearemanywaystomaintainstability,themostimportantistofollowtheoperationalrequirementsofcarefuldesign.Becauseofthemoisturecontentofrawmaterials,inputrate,rotatingspeedandchangesintheinnersurfaceoftherotatingcylinderwillaffectthestabilityofoperation,sothedesignshouldbecareful. Theuseofmulti-systemcirculatoryequipmenthelpstomitigateoperationalfluctuations.Themaximumfluctuationsgeneratedbyonesystemcanbecompensatedforbytheminimumfluctuationsgeneratedbyanothersystem.Inordertomaintainstableoperation,adouble-rotatingbarrelprocesscanalsobeadoptedtoproperlycontroloperatingconditions.First,proportionalcoresaregeneratedinthefirstrotatingbarreltoformlumps,andthenmorerawmaterialsaretransferredtothesecondrotatingbarrel,inwhichseedsarecoarse-grainedintoqualifiedproductsbycladdingmethod.

Ceramicfilterfeatures: Developedporesurface,thegrowthsurfaceareaofavarietyofmicroorganisms,onitssurface,theformationofastable,highlyactivebiofilm,high-qualitysewage. Regularshape,mediumdensity,easybackflushing,lowenergyconsumption,donotruninbackflushingmaterials.Irregulargranularfiltermaterialtoovercomeflowresistance,andeasytoplugthecauseofoxidationpond,backwashstrength,easytocleanbrokenshortcomings. Thedistributionoffilterholesovercomesthedefectscausedbyunevenporedistribution,suchaslargeloss,difficultyinpluggingandcompaction. Ithasgoodclassification,pollutionbearingcapacity,highutilizationrateoffiltrationheadloss,slowsizeincrease,longoperationcycle,andproducesalotofwater. Highcompressivestrength,wearresistance,stablephysicalandchemicalproperties,longlife.Hightemperatureinorganicinertmaterial,long-termimmersionwateremissionwillnotreleaseanymaterial,nosecondarypollution. Ceramicfilterwithoutsuspendedsubstances,turbidity,chroma,iron,manganese,volatiletoxicandharmfulwithblocking,filtration,adsorption,diffusionofgasesinthebiologicalaeratedfiltersewagetreatmentsystem,notonlyreducechemicaloxygendemand,"threenitrogen"(ammonianitrogen,nitratenitrogen,nitritenitrogen),TPhasasignificanteffect.Itcantreatorganicindustrialwastewater,industrialmixeddrainage,micropollutedwaterandotheralternativewatertreatmentquartzsandfiltermaterialanthracite,biodegradability.Ceramsitefiltercanbeusedinchemicalplants,cementplantsandotherchimneyinsulationlayertreatment,cementkilncold,hotsmokeboxinsulation,heatpipeinsulationtreatment;Boilerinsulationtreatment;Thermalinsulationequipment.

(1)Steamcycleisusedtoreducesteamwaste BBTtypeenergy-savingceramiccuringkilnusescirculatingsteam.Whenthecuringofthefirstkilnisover,thevalveattheendofthekilnisopened,andthesteamispumpedintothenextcuringkilnwithaninduceddraftfan,andsoon.Whenthelasttencuringkilnisfinished,thesteaminsidewillbepumpedintothefirststeamcuring.Somostofthewasteheatisused.Thisovercomesthewasteheatofdingtraditionalcuringkiln.Intraditionalcuringkilns,whencuringthejoint,wasteheatinthekilnisreleasedbytheopenkilndoor,whichwastesenergy. ThecirculationdesignofBBTtypeenergy-savingcuringkilnhasscientificrationality. (2)Goodthermalinsulationstructure Inordertoreducetheconsumptionofheatenergy,BBTenergy-savingceramiccuringkilnhasdesignedanadvancedinsulationstructure.Thewall,roof,bottom,doorandotherpartsofthekilnareallconstructedwithinsulationmaterials.Thewallandkilnroofarecomposedofthreelayers,andtheouterwallisheatinsulationpaint,whichestablishesthefirstinsulationdefenseline.Theinsideofthethermalinsulationtreadislightthermalinsulationbrick,thethermalconductivityofthisbrickislessthann05W/m.K,canbeusedperliteordriftbeads.Betweentheinnerandouterinsulationbricksisthesandwichinsulationmateriallayer,whichcanbemadeofpolystyreneinsulationboardwithathicknessof50cm.Inthisway,thewholewallhasestablishedthreelinesofinsulation,thatis,insulationcoatinglayer,insulationbricklayer,polystyrenefoamplasticboardsandwichlayer.Withthiswell-litinsulation,littleheatislost.Thestructureofthewallandkilnroofisbasicallythesame.Inordertofurtherimprovetheheatpreservationandinsulationeffectandpreventheatfromescapingtotheground,thegroundisalsodesignedforheatpreservationandinsulation.Thewholegroundisalsocomposedofthreelayers,thebottomlayerofsufficientperliteinsulationlayer,itismadeofperliteandcementmortarcastingwhole.Aboveperlitemortaristhermalinsulationbrick.Ontopofthethermalinsulationbrickishightemperatureresistantsiliconethermalinsulationpaint.Sothegroundalsohasthreelinesofdefenseagainstheatloss.Meanwhile,thedoorofthecuringkilnalsoadoptstheheatpreservationandinsulationdesign,whichisalsocomposedofthreekindsofheatinsulationlayers.Thesandwichlayerispolystyrenefoam,whichisgenerally10~15cmthick.Thesandwichplateiscoveredwithsteelplateprotectionlayer.Duetotherapidheattransferofthesteelplate,alayerofsiliconeheatinsulationcoatingissprayedonthesteelplatetoreducetheheatlossofthesteelplate. (3)Automatictemperaturecontrolandhumiditycontrolstructure Inadditiontogoodthermalinsulationeffect,BBTtypeenergy-savingcuringkilnusesRtocontroltemperatureandhumidity.Thecuringkilnisequippedwithtemperatureandhumiditysensorsinthekiln.Thesensorcantransferthekilntemperatureandhumiditytothecontrolleratanytime,andthecontrollercommandstheinletandoutletmechanism,soastorealizetheautomaticregulationofthekilntemperatureandhumidity,reducetheerrorofmanualcontrolandtheinfluenceofunnecessaryhumanfactors,soitcancompletelyguaranteethetemperatureandhumidityrequiredbythedesign. (4)Safetycontroldevice DuetoAlargeamountofsteamflowingthroughthekiln,thesteamwillgenerateAcertainpressure.Inaddition,thesealingpropertyofthecuringkilnisstrong.WhentheamountofsteampassingthroughAislarge,itiseasytocausecertaindanger.Inordertopreventsafetyaccidents,BBTtypeenergy-savingmaintenancekilnisinstalledwithpressuredetectionandcontroldeviceandalarmdevice.Whenthepressurereachesthealarmline,thealarmwillautomaticallyalarm,andthesensorwillcommandthepressureregulatingmechanismtoimmediatelykeeptheliquorpressurewithinthesaferange.Makesurethedesigndoesn'tcauseanysafetyproblems.