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Beijing Haier Kehua Engineering Plastics Co., Ltd.

Beijing Haier Kehua Engineering Plastics Co., Ltd.

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  • Time of issue:2020-07-31 10:09
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(Summary description)BeijingHaierKehuaEngineeringPlasticsCo.,Ltd. Atthebeginningof2008,ourcompanyhaswonthetrustofBeijingHaierChemicalCo.,Ltd.withitshigh-qualityequipmentandsincereserviceattitude,andhasestablishedalong-termfriendlyandstablebusinessrelationshipwithit.Sofar,ourcompanyhasprovidedninecompaniesTwin-screwextrusionproductionline,modelsareSHJ35,SHJ55,SHJ65,SHJ75,etc.Andwithitspersistenthighqualityandexcellentservice,itishonoredtobeassessedbyBeijingHaierChemicalCo.,Ltd.asa"QualifiedSupplierinMainlandChina".Itisanxiousforcustomersandsolvesproblemsforcustomersinthefirsttime.Ourcompanywillpersistinimplementingit.,Toservethemajorityofuserswithamorecourteousandhigh-qualityindustryattitude.

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Beijing Haier Kehua Engineering Plastics Co., Ltd.

北京海尔科化工程塑料股份有限公司

新闻

Beijing Haier Kehua Engineering Plastics Co., Ltd.

(Summary description)BeijingHaierKehuaEngineeringPlasticsCo.,Ltd. Atthebeginningof2008,ourcompanyhaswonthetrustofBeijingHaierChemicalCo.,Ltd.withitshigh-qualityequipmentandsincereserviceattitude,andhasestablishedalong-termfriendlyandstablebusinessrelationshipwithit.Sofar,ourcompanyhasprovidedninecompaniesTwin-screwextrusionproductionline,modelsareSHJ35,SHJ55,SHJ65,SHJ75,etc.Andwithitspersistenthighqualityandexcellentservice,itishonoredtobeassessedbyBeijingHaierChemicalCo.,Ltd.asa"QualifiedSupplierinMainlandChina".Itisanxiousforcustomersandsolvesproblemsforcustomersinthefirsttime.Ourcompanywillpersistinimplementingit.,Toservethemajorityofuserswithamorecourteousandhigh-qualityindustryattitude.

  • Categories:Engineering case
  • Author:
  • Origin:
  • Time of issue:2020-07-31 10:09
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Beijing Haier Kehua Engineering Plastics Co., Ltd.
  At the beginning of 2008, our company has won the trust of Beijing Haier Chemical Co., Ltd. with its high-quality equipment and sincere service attitude, and has established a long-term friendly and stable business relationship with it. So far, our company has provided nine companies Twin-screw extrusion production line, models are SHJ35, SHJ55, SHJ65, SHJ75, etc. And with its persistent high quality and excellent service, it is honored to be assessed by Beijing Haier Chemical Co., Ltd. as a "Qualified Supplier in Mainland China". It is anxious for customers and solves problems for customers in the first time. Our company will persist in implementing it. , To serve the majority of users with a more courteous and high-quality industry attitude.

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Next: Changzhou Sujin Polymer Technology Co., Ltd.
About the structure process analysis of twin screw extruder

About the structure process analysis of twin screw extruder

Next,theeditorofJuliwillgiveyouabriefintroductionaboutthestructureandprocessanalysisofthetwin-screwextruder:  1.Plasticizingarea  Theplasticizingzoneistoheattheinjectedresintoformamoltenstate.Theconditionssuchastheheatingtemperatureandtimeinthisregionarenotparticularlylimitedaslongasthefluoropolymerhavingaspecificunstableterminalgroupisinamoltenstate.Inthelatterhalfoftheplasticizationzone,itispreferabletoprovidedevolatilizationholestoremoveatleastapartofvolatilecomponentsundernormalpressureorreducedpressure.Then,thepartialpressureofvolatilecomponentsinthestabilizationregiondescribedlatercanbereduced,andthestabilizationtreatmentcanbeeffectivelypromoted.  2.Stabilizationtreatmentarea  ThestabilizationzoneistomeltandkneadandconvertspecificunstableendgroupsintoaCF2H.Thestabilizationtreatmentareaispreferablyformedbyusingakneadingdiscwithoutpropulsion.Here,melt-kneadingiscarriedoutinthepresenceofwaterandoxygen.Itcandirectlyintroducepurewater,ionexchangewater,etc.orwatervapor;itcanalsobeaccompaniedbythefluoropolymertobetreated.Theamountofwateraddedisthesameasthenumberofunstableterminalgroups,butitisactuallypreferabletosupplyanexcessamount,forexample,atleast10timestheamount.Thepressureinthestabilizationzoneisgenerallycontrolledat0.2～10MPa,andthesettemperatureiscontrolledat280～430℃.Thetimetomaintainpressurizationisusuallylessthan10minutes.  Accordingtotheprincipleoftheextrudertoremoveunstableendgroups,themelt-kneadinginthestabilizationzoneispreferablycarriedoutinthepresenceofoxygeninadditiontothepresenceofwater.Airisusuallyusedintermsofeconomy.Inthepresenceofoxygen,thecarbongeneratedbythemoltenkneadedproductisalsoburned,whichcaninhibitthecoloringofthefluoropolymer.Oxygenisaninertgastotheunstableterminalgroupscarboxylandfluorinatedacylgroups.Duringtheprocessofmeltingandkneading,itcanimprovethedevolatilizationefficiencyofvolatilecomponents.  Three,devolatilizationarea  Thedevolatilizationzoneremoveshigh-temperaturevolatilecomponentsgeneratedbythedecompositionofspecificunstableterminalgroups.Theabsolutepressurevariesaccordingtothemoltenstateofthemoltenkneadedproductandtheoperatingconditionsofthescrewofthekneader.Generally,thepressureisreducedtothepointwherethemoltenkneadedproductdoesnotintrudeintotheexhaustnozzle.Itcanbe0.01to0.1MPa,andthetemperatureiscontrolledat25O~Claughataround.  Inthepresenceofacertainamountofwaterandoxygen,FEPextrudingthroughatwin-screwextrudercaneffectivelyremovetheunstableterminalgroupsofFEP.SimplifiestheprocessingprocessofFEPunstableendgroupsandsavesproductioncosts.Whentheobtainedstabilizedpolymerismelt-formed,nobubblesorvoidsaregeneratedinthefinishedproduct,anditisnotcolored. Formoreinformationabouttwinscrewextruders,pleasevisithttp://www.njjl.com/
发布时间 : 2020-07-30 点击 : 0
What are the technical parameters of a single screw extruder

What are the technical parameters of a single screw extruder

Next,theeditorofJuliwillgiveyouabriefintroductionaboutthetechnicalparametersofthesinglescrewextruder? 1.Screwdiameter:referstothediameteroftheoutercircleofthescrew,representedbyD,andtheunitismillimeter(mm).2.Screwlength-to-diameterratio:referstotheratioofthelengthLoftheworkingpartofthescrew(thelengthofthethreadedpart,thatis,thelengthfromthecenterlineofthefeedingporttotheendofthescrew)andthescrewdiameterD,expressedbyL/D.3.Rangeofscrewrotationspeed:referstothemaximumrotationspeedofthescrewtotheminimumrotationspeedofthescrew;nrepresentsthescrewrotationspeed,andtheunitisrevolutionsperminute(r/min).HuahongAnswer4.Powerofthedrivingmotorofthemainscrew:ExpressedbyP,theunitiskilowatt(kW).5.Heatingpowerofextruderbarrel:ExpressedbyE,theunitiskilowatt(kV).6.Theproductioncapacityoftheextruder:expressedbyQ,theunitiskilogramperhour(kg/h).7.Theheightofthecenteroftheextruder:referstothedistancefromthecenterlineofthescrewtotheground,expressedbyH,andtheunitismillimeter(mm).8.Externaldimensionsoftheextruder:referstothetotallength×totalwidth×totalheight,expressedbyL×W×H,andtheunitismillimetersormeters(mmorm)9.Extruderquality:expressedbyW,theunitiskilogramorton(kgort)
发布时间 : 2020-07-30 点击 : 0
Two more effective cleaning agents for starting the double screw extruder

Two more effective cleaning agents for starting the double screw extruder

Next,Iwillgiveyouabriefintroductiontotwomoreeffectivecleaningagentsforstartingthedoublescrewextruder:    1.Mixture:50%HDPE+50%diatomaceousearth    2.Mixture:HDPE+water+decontaminationpowder.TheHDPEisfedintothescrewattheusualspeedatthemeltingtemperature.Stirthedecontaminationpowderwithwaterinabuckettoformaslurry,andslowlyaddtheslurryfromthemainfeedport.Theseslurriesimpact,rub,andcleanthescrewduetofoaming.    Formoreinformationabouttwinscrewextruders,pleasevisithttp://www.njjl.com/
发布时间 : 2020-07-30 点击 : 0

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