Reshaping Lub neej yav tom ntej ntawm Granulation: Yuav ua li cas Systematically daws cov teeb meem ntawm Sawb Breakage, Khoom Leakage, Thiab Blackening - Daim ntawv qhia rau kev xaiv thiab txheej txheem qhov tob optimization raws li tib txoj kev taw qhia Ob chav ntsia hlau Extruder
Taw qhia: "tus neeg tua tsis pom" ntawm qhov chaw granulation thiab txoj hauv kev los rhuav tshem qhov xwm txheej
Nyob rau hauv 2025, thaum cov yas ncig kev lag luam vam meej, lub ntiaj teb no yas pellet kev lag luam yog nthuav nyob rau hauv ib tug unprecedented pace. Txawm li cas los xij, thaum nrhiav kev ua haujlwm zoo extruder muaj peev xwm, peb qhov loj "pib tua neeg" ntawm kev tawg, los ntshav, thiab blackening tseem plague countless hloov factories thiab recycled khoom rhiav. Tshwj xeeb tshaj yog nrog cov tuam txhab tshiab xws li UBQ Cov Khoom Siv hloov cov khoom pov tseg hauv tsev rau hauv cov khoom siv yas, qhov nyuaj ntawm cov ntaub ntawv raw ua rau muaj teeb meem ntau dua rau cov khoom siv.
Vim li cas koj cov kab ntau lawm ib txwm kaw los ntxuav cov carbide? Vim li cas tib lub mis tsis tuaj yeem ua tiav qhov tsim siab tshaj plaws hauv kev tsim khoom? Cov lus teb feem ntau yog tsis nyob rau hauv cov ntaub ntawv raw lawv tus kheej, tab sis nyob rau hauv kev xaiv logic ntawm lub co rotating ntxaib ntsia hlau extruder thiab qhov sib txuam℃ntawm lub qhov rais txheej txheem.
Tsab ntawv xov xwm no yuav hais txog "Kev Tshawb Fawb Kev Lag Luam ntawm Tuam Tshoj Plastic Particle Kev Lag Luam los ntawm 2025 txog 2031" thiab cov qauv tshiab kawg ntawm K 2025 (Dusseldorf International Plastics thiab Rubber Exhibition), ua ke nrog kev xyaum ua haujlwm ntawm Nanjing Kelongwell Chemical Machinery Co., Ltd. hauv thaj tsam ntawm cov yas extruders rau kev daws teeb meem, ua tiav cov txheej txheem rau koj.
1. Cov hauv paus ntsiab lus ntawm qhov teeb meem: Lub cev hauv qab lub logic ntawm peb qhov ua txhaum loj
Yuav kom daws tau qhov teeb meem, nws yog ib qho tsim nyog yuav tsum xub nkag siab txog cov dej mechanics thiab cov ntsiab lus thermodynamic tom qab qhov txhaum.
1.1 Broken bar: tus yam ntxwv ntawm qhov tsis sib xws ntawm lub zog yaj thiab lub siab
Cov khoom tawg yog qhov kev xav tau tshaj plaws "lub teeb liab" hauv kev tsim khoom. Nws tsis yog tsuas yog tawg ntawm cov khoom siv sawb, tab sis kuj yog ib qho kev tshwm sim ntawm kev hloov pauv siab thiab lub zog tsis txaus ntawm cov yaj ntawm qhov tuag.
· Cov laj thawj tseem ceeb: Tsis ruaj khov rov qab siab los ntawm cov ntxaij lim dej txhaws, "theem sib cais" tshwm sim los ntawm qhov sib txawv tseem ceeb hauv MFR (melt flow rate) ntawm raw cov ntaub ntawv, los yog cov roj seem uas tshwm sim los ntawm lub tshuab nqus tsev tsis txaus, ua rau muaj kev ntxhov siab nyob rau hauv traction.
· Cov ntaub ntawv txhawb nqa: Raws li kev tshawb fawb ntawm cov tuam txhab yas hloov kho, kev tawg los ntawm cov khoom siv tsis huv lossis cov yas tsis zoo rau ntau tshaj 40% ntawm tag nrho cov kev ua tsis tiav, uas feem ntau cuam tshuam ncaj qha rau "mob siab" lossis "siab" kev npaj ntawm cov ntsia hlau shearing ntsiab.
1.2 Cov khoom siv emission: Qhov kev ua si ntawm kev xa khoom muaj peev xwm thiab kev ua haujlwm tawm
Cov khoom siv raw yog muab faib ua cov ntaub ntawv raw thiab clinker.
· Raw khoom tawm: feem ntau pom nyob rau hauv qhov chaw pub mis los yog ntuj tso pa tawm. Yog vim li cas yog tias lub peev xwm conveying ntawm cov ntsia hlau ua ke tsis sib haum nrog lub peev xwm plasticizing, thiab cov khoom yog "squeezed" tawm ntawm qhov chaw nres nkoj los ntawm cov ntaub ntawv tom ntej ua ntej nws yuav yaj tag.
· Clinker emission (nqus chaw nres nkoj emission): Qhov no yog qhov teeb meem nyuaj tshaj plaws nyob rau hauv siab -kawg hloov kho (xws li engineering yas reinforcement). Thaum qhov kub thiab txias hauv lub tshuab nqus tsev yog siab dhau, ua rau poob sai sai hauv cov viscosity ntawm cov yaj, los yog thaum txoj hauj lwm ntawm qhov rov qab threaded tivthaiv tsim tsis raug, uas ua rau tsis tshua muaj siab nyob rau hauv cheeb tsam ntawd, lub zog nqus tsev vacuum yuav ncaj qha nqus cov yaj mus rau hauv lub tshuab nqus tsev raj.
· Cov ntsiab lus mob hauv kev lag luam: Ntau yam dav dav - lub hom phiaj yas extruders feem ntau muaj kev "kua" ntawm qhov chaw nres nkoj lub tshuab nqus tsev thaum cuam tshuam nrog kev ua haujlwm siab (xws li 65% lossis ntau dua talc hmoov) lossis cov nplaim hluav taws kub hnyiab vim tsis muaj qhov ntim dawb tsim.
1.3 Blackening/Dub Spot: The "Timer" of Hot History
Blackening (dub me ntsis, yellowing) yog ib qho teeb meem nyuaj uas cuam tshuam rau qib khoom thiab tseem yog ib qho kev txhawj xeeb tseem ceeb rau cov neeg siv khoom thoob ntiaj teb thaum lub sij hawm kuaj xyuas lub Hoobkas.
· Hluav taws kub thiab shearing: Cov cua kub ntau dhau ua rau cov kub kub hauv zos melting ntau dhau, tshwj xeeb tshaj yog rau cov nplaim hluav taws kub (xws li bromine thiab liab phosphorus) lossis cov khoom siv hluav taws xob kub uas nyob hauv qhov chaw tuag ntev ntev, ua rau carbonization.
· Cov pa phem zais: Nws tsis yog ib qho teeb meem ntawm cov khoom siv raw xwb. Raws li kev tshawb fawb hauv "Daim ntawv thov ntawm Engineering Plastics", cov pa roj carbonization tau khaws cia hauv qhov sib txawv ntawm cov ntsia hlau thiab lub thoob tom qab hnav, nrog rau cov oligomers condensed thiab dripped los ntawm lub tshuab nqus tsev chaw nres nkoj, yog lub hauv paus ntawm cov pob dub.
· Cov xwm txheej tam sim no: Nrog rau cov kev cai nruj zuj zus ntawm European Union rau cov khoom noj khoom noj khoom haus qib siv cov khoom siv rov ua dua tshiab (rHDPE, rPP), cov kev cai tshiab hauv 2025 tau tsa cov qauv tswj rau cov pob dub (<200 μ m) by 30%, which puts geometric requirements on the self-cleaning performance of equipment.
2. Qhov tseem ceeb ntawm kev tawg: Yuav ua li cas xaiv txoj cai "siab-efficiency extruder"?
Nyob rau hauv lub ntsej muag ntawm cov teeb meem saum toj no, cov txheej txheem yooj yim kho feem ntau kho cov tsos mob es tsis yog lub hauv paus. Xaiv ib tug co rotating ntxaib ntsia hlau extruder yog qhov tseem ceeb xaiv ib tug ua ke ntawm "screw geometry + torque ceev + thermal tswj qhov tseeb". Rau cov neeg siv khoom uas nrhiav tus nqi siab- ua tau zoo thiab sim cov ntaub ntawv tshiab xws li biodegradable plastics PLA/PBAT, qhov ntev hauv qab no yog qhov tseem ceeb.
2.1 Siab torque: tsis tsuas yog lub hwj chim, tab sis kuj yog ib tug "maj" lav
· Cov ntsiab lus piav qhia: Lub zog siab dua txhais tau hais tias cov zis siab tuaj yeem ua tiav txawm tias qhov nrawm nrawm. Qhov no tsis tsuas yog txo qhov kev pheej hmoo ntawm cov cua sov hauv zos uas tshwm sim los ntawm qhov siab -kev sib txhuam ceev ntawm cov ntaub ntawv, tab sis kuj muab "qhov rais txheej txheem" dav dua rau cov ntaub ntawv kub xws li ntoo yas thiab cov khoom siv hluav taws xob.
· Kev Lag Luam Kev Lag Luam: TEX-44 Alpha III, pib los ntawm JSW hauv xyoo 2013, coj kev lag luam nrog 36% nce torque. Nyob rau hnub no hauv 2025, cov tiam tshiab sib luagntxaib ntsia hlau extrudertsim los ntawm Nanjing Kelongwell Chemical Machinery Co., Ltd. ua tiav lub zog tso zis nyob rau hauv siab ntim cov xwm txheej los ntawm kev ua kom zoo tshaj qhov kev faib khoom ntawm lub gearbox, zoo daws cov teeb meem ntawm cov kab tawg uas tshwm sim los ntawm qhov tsis ruaj khov hauv cov ntaub ntawv fiberglass.
2.2 Screw Combination: "Lego Philosophy" ntawm Modular Design
Tsis muaj ib qho ntsia hlau tuaj yeem daws txhua yam teeb meem. Lub hauv paus ntawm kev ua tau zoo extruder yog nyob rau hauv kev sib xyaw ua ke ntawm nws cov khoom siv ntsia hlau modular.
· Kev daws rau cov khoom xau:
· Cov khoom siv rov qab los yog cov hniav txhuam hniav yuav tsum tau muab tso rau pem hauv ntej ntawm qhov chaw nres nkoj lub tshuab nqus tsev kom tsim tau "melt seal" thiab tiv thaiv cov khoom xau los ntawm lub tshuab nqus tsev.
· Rau cov neeg siv khoom uas tab tom sim granulate cov ntaub ntawv rov ua dua thawj zaug, vim yog cov impurities siab thiab loj viscosity fluctuations nyob rau hauv cov ntaub ntawv recycled, Nanjing Kelongwell pom zoo kom siv ib tug ua ke ntawm cov hlau lead conveying ntsiab thiab kneading block gradient xim kom zoo dispersion nyob rau hauv qis shear thiab tsis txhob muaj siab fluctuations thiab breakage los ntawm frequent lim.
· Kev daws rau blackening:
· Siv tus kheej- ntxuav cov khoom siv threaded, cov nyhuv "scraping" yog ua tiav los ntawm qhov sib txawv me me ntawm cov ntsia hlau ntug thiab phab ntsa chim (tsuas yog 0.1mm-0.2mm), tshem tawm cov kab tuag ntawm cov khoom tuav thiab lub cev tiv thaiv cov khoom carbonization.
2.3 nam piv (L / D): Chaw tshwj xeeb rau cov txheej txheem tshwj xeeb
· Cov ntaub ntawv txhais lus: Qhov sib piv ntawm cov ntsiab lus ntxaib ntsia hlau extruders tau hloov zuj zus los ntawm 28: 1-32: 1 thaum ntxov mus rau 36: 1-52: 1.
· Kev txiav txim siab tawm tswv yim: Yog tias koj lub hom phiaj yog sim ua cov ntaub ntawv tshiab, xws li biodegradable plastics (uas yuav tsum tau siv sij hawm nyob ntev dua los ua kom tiav cov tshuaj tiv thaiv) lossis siab puv masterbatch (uas yuav tsum muaj ntau- theem kev noj zaub mov thiab tso pa tawm), nws raug nquahu kom xaiv cov khoom siv nrog L / D Ntau dua lossis sib npaug li 40: 1. Qhov no tsis tsuas yog muab qhov ntev txaus rau lub ntuj tso tawm thiab lub tshuab nqus tsev twj tso kua mis, tab sis kuj tseem txo qis lub zog shear ntawm ib ntu, ua tiav "tsawg- kub sib xyaw".
Tswv yim Q&A: Dab tsi yuav tsum yog thawj kauj ruam thaum muaj teeb meem tshwm sim?
Txhawm rau pab koj nrhiav qhov tsis raug ntau dua, peb tau teeb tsa cov lus nug thiab lus teb tseem ceeb hauv qab no:
Q1: Cov iav fiber reinforced nylon (PA + GF) feem ntau tawg thaum lub sijhawm tsim khoom, tab sis qhov kub thiab txias yog qhov qub thaum kuaj xyuas. Vim li cas?
A: Qhov xwm txheej no feem ntau yog "plasticization cuav".
ib. Xyuas cov lim: Cov iav zoo hauv cov iav fiberglass tuaj yeem txhaws lub lim, ua rau lub nraub qaum siab nce thiab poob tam sim, ua rau cov kab tawg. Nws raug nquahu kom siv 40/60/40 mesh stainless hlau laminated lim thiab saib xyuas qhov ua haujlwm microwave ntawm tus tswv tsev tam sim no.
b. Xyuas cov dej kub: Nylon belongs rau crystalline plastics. Yog tias cov dej kub qis dhau lawm, cov khoom siv sawb yuav maj mam dhau los ua tawv thiab nkig thaum txias, thiab tawg hauv traction thiab ncab. Sim tsa cov dej kub kom txog 40-50℃kom tswj tau qhov "flexibility" ntawm cov khoom siv ua ntej nkag mus rau granulator.
Q2: Lub tshuab nqus tsev chaw nres nkoj ib txwm tso tawm cov khoom siv, thiab txo tus nqi pub mis yog qhov tsis muaj txiaj ntsig. Kuv yuav ua li cas?
A: Qhov no yog ib qho kev sib txuas ntawm cov ntsia hlau uas tsis sib xws nrog lub tshuab nqus tsev.
ib. Kev tuav thaum muaj xwm txheej ceev: Kev kho kom zoo thiab txo qhov ntim ntawm lub tshuab nqus tsev twj tso kua mis (yog tias muaj qhov hloov pauv zaus), thiab txo qhov ntsuas kub ntawm qhov seem ntawm lub thoob (los ntawm 5-10 degree) kom cov viscosity ntawm yaj.
b. Txoj kev daws teeb meem: Tshawb xyuas cov ntsia hlau teeb tsa tom qab nres lub tshuab. Paub meej tias muaj ib qho rov qab threaded tivthaiv hauv qab lub tshuab nqus tsev chaw nres nkoj. Yog tias muaj, xyuas seb nws puas hnav los yog nyob deb dhau mus rau pem hauv ntej. Technical engineers ntawm Nanjing Kelongwell feem ntau tsim cov groove sib sib zog nqus threads ntawm no, zoo txo qhov ntim ntawm qhov zawj thiab daws cov teeb meem ntawm cov khoom to.
Q3: Puas muaj cov pob dub nyob rau saum npoo ntawm cov khoom uas tsis tuaj yeem tshem tawm, tab sis lawv sai sai rov tshwm sim tom qab kaw rau kev ntxuav?
A: Qhov no yog qhov txuas ntxiv carbonization tshwm sim los ntawm "lub ces kaum tuag ntawm cov khoom siv".
ib. Tshawb xyuas qhov chaw nres nkoj: Cov chaw tso pa tawm ntuj thiab cov chaw nres nkoj lub tshuab nqus tsev uas tsis tau ntxuav rau lub sijhawm ntev feem ntau suav nrog cov txheej txheem siab - qhov kub thiab txias ntawm cov phab ntsa sab hauv, uas ua rau cov pob dub thaum nws poob rau hauv cov yaj. Qhia tsim kom muaj tus qauv rau "kev tu lub tso pa tawm ib zaug".
b. Txheeb xyuas qhov hnav ntawm cov ntsia hlau: Rau cov khoom siv nrog lub neej ua haujlwm ntev, qhov sib txawv ntawm cov ntsia hlau thiab lub thoob yuav nce, thiab cov yaj yuav tsim ib txheej nyias nyias ntawm qhov tsis sib xws, uas yuav decompose nyob rau hauv lub caij ntuj sov. Nyob rau lub sijhawm no, nws yog ib qho tsim nyog yuav tsum tau nqis peev los hloov cov nitride steel los yog ob chav alloy threaded Cheebtsam nrog kev hnav tsis kam thiab siab smoothness.
3. Lub neej yav tom ntej nyob ntawm no: qhov sib npaug ntawm qhov kev tiv thaiv ib puag ncig thiab tus nqi -kev ua tau zoo
Saib rov qab ntawm 2025, yas granulation tsis yog ib qho yooj yim txheej txheem ntawm melting thiab txiav, tab sis ib tug complex system engineering uas muaj xws li carbon footprint accounting thiab ncig kev lag luam.
3.1 Cov ntaub ntawv uas tau tsav "pob tshab granulation"
Niaj hnub siv tau zoo extruders tau txais kev lag luam 4.0. Los ntawm embedding siab sensors thiab melting kub thermocouples nyob rau hauv lub chim, ua ke nrog lub DCS tswj system, peb yuav ntes microsecond theem siab fluctuations nyob rau hauv lub sij hawm.
· Kev saib xyuas tsis tu ncua: Siv AI algorithms los txheeb xyuas qhov hloov pauv ntawm lub zog thiab muab 3-7 hnub ua ntej ceeb toom ntawm kev pheej hmoo ntawm "cov ntaub ntawv to" lossis "kev tawg", txo qis kev poob qis ntawm ntau dua 50%.
3.2 Tsim kom muaj txiaj ntsig zoo rau cov neeg siv khoom
Rau cov neeg siv khoom thoob ntiaj teb uas tau hloov kho tshiab, Nanjing Kelongwell Chemical Machinery Co., Ltd. muab tsis yog ib qho khoom siv xwb, tab sis kuj tseem muaj cov ntaub ntawv ntawm "cov txheej txheem txheej txheem + cov khoom tsis muaj".
· Tus nqi xaiv zoo: Muab piv rau European hom xws li Coperion thiab Leistritz, Suavntxaib ntsia hlau extrudercov tuam txhab ua kom luv cov peev txheej rov qab mus rau 1.5-2 xyoo dhau los ntawm kev tsim qauv, thaum ua kom ntseeg tau tias qhov tshwj xeeb torque yog ze rau qib thoob ntiaj teb thawj kab.
· Kev coj ua ib puag ncig: Rau cov khoom siv biobased tshiab xws li UBQ masterbatch lossis cov neeg siv khoom siv rov ua dua tshiab (PCR), kev tsim cov ntsia hlau zoo tuaj yeem ua tiav cov khoom tawg yooj yim hauv qhov kub thiab txias, zam cov khoom degradation thiab ua tiav txog li 95% kaw- siv cov khoom siv hauv tsev tsis muaj pov tseg.
Xaus: Cia txhua qhov khoom yug los zoo kawg nkaus thiab flawlessly
Kev daws cov kab tawg, cov khoom xau, thiab blackening yog qhov tseem ceeb tshaj plaws ntawm "kev tswj hwm txheej txheem". Pib los ntawm kev xaiv qhov tsim nyogco rotating ntxaib ntsia hlau extruder, kom nkag siab tob txog lub luag haujlwm ntawm txhua txoj hlua khi hauv lub thoob, thiab tom qab ntawd ua kom zoo tshaj plaws siv cov ntaub ntawv -tsav cov cuab yeej, Nanjing Kelongwell Chemical Machinery Co., Ltd. txaus siab ua haujlwm nrog koj los txhim kho lub peev xwm ntau lawm thaum tiv thaiv kev purity thiab zoo ntawm txhua cov khoom yas.
