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ABOUT US

Nanjing Juli Chemical Machinery Co., Ltd

2005
/Year
Founded in 2005
1600
Million yuan
Registered capital of 16 million yuan
20000
㎡
Covers an area of more than 20,000 square meters

Nanjing Juli Chemical Machinery Co., Ltd. is a company specializing in the development of plastic polymer compounding and modifying equipment with co-rotating twin-screw extruder as the core, as well as the technical development of related processes and engineering fields, as well as the scientific research, development and production of auxiliary equipment Manufacturer company. There are many senior engineers, senior experts and experienced on-site commissioning engineers who have been engaged in research and production in the twin-screw field (formerly Coperion Keya, Ganhua Machinery, South Rubber and Plastics) for many years. The registered capital is 16 million yuan.

Nanjing Juli Chemical Machinery Co., Ltd

Top Ten Chinese Twin Screw Extruder Companies

Top Ten Enterprises in China's Modified Plastics Industry

PROJECTS

南通環洋新型建材有限公司

pro

Twin Screw Extruder

企業理念

Sheet Extruder

企業理念

Single Screw Extruder

pro

Degradable Material Extrusion

企業理念

Twin Screw Underwater Pelletizing

企業理念

Screw Elements

ADVANTAGE

Nanjing Juli Chemical Machinery Co., Ltd

Nanjing Juli Chemical Machinery Co., Ltd

Service support

Provide customers with return visits from planning, production, preparation, debugging, installation, maintenance, etc.

Nanjing Juli Chemical Machinery Co., Ltd

Honor

Covering an area of more than 20,000 square meters, it has obtained 8 national new utility patents and 2 invention patents.

Nanjing Juli Chemical Machinery Co., Ltd

Attentive service

Solve problems with the spirit of "focus, innovation, pragmatism, and customer-centric".

Nanjing Juli Chemical Machinery Co., Ltd

Experience

"Establishing a brand and entering the world" is the goal that the company has been pursuing tirelessly since its establishment

PROJECTS

Nanjing Juli Chemical Machinery Co., Ltd

Establish a brand and enter the world

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NEWS CENTER

Nanjing Juli Chemical Machinery Co., Ltd

About the structure process analysis of twin screw extruder

2020-07-30 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/

About the structure process analysis of twin screw extruder

What are the technical parameters of a single screw extruder

2020-07-30 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)

What are the technical parameters of a single screw extruder

Two more effective cleaning agents for starting the double screw extruder

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

Two more effective cleaning agents for starting the double screw extruder

Introduction to plastic modified granulator

2020-07-17 1.Thebasicstructureoftheplasticmodifiedgranulator:1.Twin-screwmainengine2.Waterstretchhead3.Conveyorbelt4.Pelletizer5.Silo??2.Basicintroductionofplasticmodifiedgranulatoroftwinscrewgranulator:???Thetwin-screwgranulatorhasagoodplasticizingeffectonthematerialthroughtheshearingcombinationofmanyscrewblocks,andcanbesuitableforvariousmaterialsbychangingthecombinationofscrewelements.

Introduction to plastic modified granulator

CONTACT INFORMATION

No. 77 Tangtong Road / No. 9 Boguang Road, Hushu Town, Jiangning District, Nanjing City

+86-25-85099576

OFFICIAL ACCOUNTS

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