CO-R OT AT ING T SE : F L E XIBIL IT Y IN PL AST IC R E - - PowerPoint PPT Presentation

co r ot at ing t se f l e xibil it y in pl ast ic r e
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CO-R OT AT ING T SE : F L E XIBIL IT Y IN PL AST IC R E - - PowerPoint PPT Presentation

CO-R OT AT ING T SE : F L E XIBIL IT Y IN PL AST IC R E CYCL ING PR E SE NT AT ION SCHE ME I ntruduc tio n E xtrude r de sig n fle xib ility Pro c e ss fle xib ility Adva nc e d Re c yc ling e xa mple s Re se rve d


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SLIDE 1

CO-R OT AT ING T SE : F L E XIBIL IT Y IN PL AST IC R E CYCL ING

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SLIDE 2

PR E SE NT AT ION SCHE ME

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

I ntruduc tio n E xtrude r de sig n fle xib ility Pro c e ss fle xib ility Adva nc e d Re c yc ling e xa mple s

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SLIDE 3

INT R ODUCT ION

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

Plastic re c yc ling e xtrusion proc e ss is a g e ne ric de finitio n tha t c o ve r a wide ra ng e

  • f diffe re nt po ssib ilitie s

We can face “simple” re -granulation re q ue st o r c o mple x c ompounding o r

ble nding pro c e sse s R E

  • GR

ANUL AT ION:

  • No t c o nta mina te d sing le pla stic type industria l sc ra p  e a sy jo b !!!
  • Co nta mina te d wa ste  stro ng de vo la tiliza tio n & filte ring pe rfo rma nc e re q uire d
  • Multi-pla stic s wa ste  stro ng mixing pe rfo rma nc e re q uire d

COMPOUNDING: mixing o f so lid pa rtic le s in the pla stic ma trix BL E NDING: mixing o f two o r mo re diffe re nt pla stic s (o fte n no t c o mpa tib le )

The last 2 situations are typical when it’s necessary to give a “new life” to an

use le ss pla stic wa ste to me e t e nd -pro duc t spe c s

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SLIDE 4

INT R ODUCT ION

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

A re c yc ling c o mpa ny tha t wa nts to c o ve r suc h wide ra ng e o f po ssib ilitie s

  • ffe re d b y the ma rke t ne e ds to ha ve a fle xible e xtrusion solution

Co-rotating T SE is the mo st fle xib le a nd pe rfo rming so lutio n fo r sa tisfy the pla stic

re c yc ling pro c e ss re q uire me nts

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SLIDE 5

PR E SE NT AT ION SCHE ME

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

I ntro duc tio n E xtrude r de sig n fle xib ility Pro c e ss fle xib ility Adva nc e d Re c yc ling e xa mple s

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SLIDE 6

F L E XIBIL IT Y: MODUL AR DE SIGN

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

Modular design Different barrels sectors available:

  • main feeding barrel
  • close barrel
  • side feeding barrel
  • injection barrel
  • venting barrel

Easy re-configuration Easy m aintenance Maximun flexibility

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SLIDE 7

F L E XIBIL IT Y: MODUL AR DE SIGN

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

A lo t o f diffe re nt sc re w e le me nts a re a va ila b le to c o mpo se a sc re w c o nfig ura tio n:

Conve ying e le me nt Kne ading e le me nt Mixing e le me nt Sc r e w c onfiguration de pe nds o n: 1) Polyme r type

2) F

ille r

  • r fibe r type

3) Additive s 4) F

  • rmulation
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SLIDE 8

F L E XIBIL IT Y: MUL T IPL E F E E DING POINT S

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

Po ssib ility to fe e d solid ingre die nts in a dva nc e d po sitio ns (fille rs, fib e rs, a dditive s, po lyme rs) Po ssib ility to fe e d liquid ingre die nts in a dva nc e d po sitio ns (pla stic ize rs, sila ne ,

peroxide, foaming agents,…)

F

  • r so lid ing re die nts side fe e de rs a re use d

F

  • r liq uid ing re die nt inje c tor

s a re use d

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SLIDE 9

F L E XIBIL IT Y: MUL T IPL E VE NT ING POINT S

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

F e e ding lo w b ulk de nsity so lid ma te ria ls → air in the pro c e ss

Moisture in re c yc le d ma te ria ls

Pro c e ss vo la tile side produc ts (re a c tio ns), vo la tile c ontaminats With multiple a tmo sphe ric a nd va c uum ve nting do me s a ll tho se vo la tile c o mpo ne nts c a n b e e xtra c te d fro m the pro c e ss → final produc t quality

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SLIDE 10

PR E SE NT AT ION SCHE ME

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

I ntro duc tio n E xtrude r de sig n fle xib ility Pro c e ss fle xib ility Adva nc e d Re c yc ling e xa mple s

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SLIDE 11

R E CYCL ING E XT R USION PROCE SS

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

Solid conveying Melting Material feeding Dispersive m ixing Distributive m ixing Venting Metering Good quality Fixed variation

  • f the m aterial

enthalpy H

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SLIDE 12

PR OCE SS E F F ICIE NCY & PR ODUCT QUAL IT Y

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2017 Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2016 Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2016

Solid c onve ying Me lting Mate r ial fe e ding Dispe r sive mixing Distr ibutive mixing Ve nting Me te r ing

Ma ximize inta ke pe rfo rma nc e Ma ximize inta ke pe rfo rma nc e Ma ximize me lting e ffic ie nc y Rig ht me lt T fo r ne xt ste p Co rre c t a g g lo me ra te / dro ple ts size Unifo rm c o mpo sitio n Co rre c t so lute final c o nc e ntra tio n Ge ne ra te P in a sho rte st a xia l le ng ht

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SLIDE 13

DISPE R SIVE / DIST R IBUT IVE MIXING

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

Not mixe d Distributive mixing Dispe rsive mixing We ll mixe d Go o d she a r stra in F lo w re -o rie nta tio n Go o d she a r stre ss E no ug h lo a d time

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SLIDE 14

VAR IABL E S in a R E CYCL ING E XT R USION PR OCE SS

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

A lot of variable parame te rs in a re c yc ling proc e ss!!!

Bulk de nsity o f the g rinde d po lyme r Rhe o lo g y o f the po lyme r/ s Co nta mina nts na ture a nd % All o f the m ha ve a stro ng influe nc e o n the pro c e ss pe rfo rma nc e → syste m

fle xibility is a ke y po int!

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SLIDE 15

PR OCE SS PAR AME T E R S AVAIL ABL E

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

T he fo llo wing proc e ss parame te rs ne e ds to b e a da pte d to the spe c ific re c yc ling re q uire me nts:

  • she ar / e longational stre sse s o n the pro duc t
  • pro duc t he a ting thro ug h visc ous dissipation
  • re side nc e time in the diffe re nt pro c e ss se c tio ns

T he c o -ro ta ting T SE

  • ffe rs the po ssib ility to a djust the va lue s o f the a b o ve

parameters “playing” with:

  • sc re w c o nfig ura tio n
  • sc re w spe e d
  • filling ra tio o f the sc re w (e xtrude r c a pa c ity)
  • b a rre l te mpe ra ture
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SLIDE 16

SHE AR / E L ONGAT IONAL ST RE SSE S

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

She a r / e lo ng a tio na l stre sse s a re influe nc ing :

  • dispe rsive mixing q ua lity
  • distributive mixing q ua lity
  • ove r

he ating o f the pro duc t

T he sc r

e w c onfiguration & spe e d c a n a djust the inte nsity o f the the se stre sse s 2700 1/s 150 1/s 200 1/s 800 1/s

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SLIDE 17

SHE AR / E L ONGAT IONAL ST RE SSE S

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

Po ssib ility to re duc e the stre ss tra nsfe rre d to the ma te ria l using spe c ial mixing

e le me nts

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SLIDE 18

R E SIDE NCE T IME

tmin

σ

T

min : dispe rsive mixing inde x

σ : distributive mixing inde x

Re side nc e time in the diffe re nt sc re w e le me nts is influe nc ing :

  • dispe rsive mixing q ua lity
  • distributive mixing q ua lity
  • ove r

he ating o f the pro duc t

T he e xtrude r

c apac ity, sc r e w c onfiguration & spe e d c a n mo dify the re side nc e

time distrib utio n c urve

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SLIDE 19

R E SIDE NCE T IME sc r e w c onfigur ation

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

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SLIDE 20

R E SIDE NCE T IME sc r e w c onfigur ation

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

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SLIDE 21

R E SIDE NCE T IME

  • pe r

ational c ondition se t-up

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

  • Increasing capacity and screw speed :

1) reduces the average tr 2) makes the distribution narrower

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SLIDE 22

ME L T T E MPE R AT UR E

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

HE AT ING COOL ING

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SLIDE 23

ME L T T E MPE R AT UR E

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

I nflue nc e d b y the visc ous dissipation inside the pro duc t T he impa c t o f the c onduc tive he at thro ug h the b a rre l is minima l! Ma na g ing the she aring o n the po lyme r → c ontrol on the me lt te mpe rature

de ve lopme nt Sc r e w c onfiguration, sc r e w spe e d, c apac ity

Rhe o lo g y o f the re c yc le d ma te ria l is the sta rting po int fo r a fine se t-up o f the a b o ve c o nditio ns

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SLIDE 24

ME L T T E MPE R AT UR E

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

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SLIDE 25

PR E SE NT AT ION SCHE ME

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

I ntro duc tio n E xtrude r de sig n fle xib ility Pro c e ss fle xib ility Adva nc e d Re c yc ling e xa mple s

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SLIDE 26

R E CYCL E D ADVANCE D COMPOUND E XAMPL E

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

PE T/ HDPE b le nd PE T/ PE + 15% glass fibe r

re pla c ing PA.6 + 30% g la ss fib e r

PE T/ PE + 15% glass fibe r + HF F R PE T+ T PE + 30% glass fibe r

re pla c ing PA.6 + 50% g la ss fib e r

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SLIDE 27

E CO IMPAT T O pr

  • je c t

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

2009 pro je c t a wa rde d a nd fina nc e d b y Re g io ne L

  • mb a rdia

Gre e n de sig ning o f c o mpo site pro duc ts with the use o f he te ro g e ne o us po st c o nsume r wa ste ma te ria l I mpro ve d a ppe a l q ua lity o f the pro duc ts o pe ns ne w o ppo rtunitie s fo r a pplic a tio ns whe re a e sthe tic a spe c t is c ritic a l Sta rting ma te ria l: washe d Plast Mix (PP, L DPE , HDPE , pa pe r, me ta ls)

not-washe d PlastMix (PP, L

DPE , HDPE , PE T , PA, PVC, pa pe r, me ta ls

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SLIDE 28

E CO IMPAT T O pr

  • je c t

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

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SLIDE 29

E COSHE E T

  • PR

O pr

  • je c t

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

2017 pro je c t a wa rde d a nd fina nc e d b y E uro pe a n Co mmunity HORI ZONT 2020

T AR GE T

: c r

e ate an alte r native solution to plywood starting fr

  • m mixe d plastic waste

and obtain a produc t suita ble for high stre ngth applic ations in the c onstruc tion industry

Under development ………………..

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SLIDE 30

ICMA & PL AST IC R E CYCL ING

Re se rve d & Co nfide ntia l - Pro pe rty o f Ic ma Sa n Gio rg io S.p.A. - 2018

L

  • ng time e xpe rie nc e in pla stic re c yc ling e xtrusio n pro c e ss

Mo re tha n 70 e xtrusio n line s so ld fo r pla stic re c yc ling Pro je c ts fo r granulation a nd dire c t e xtrusio n o f she e t a nd profile s

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SLIDE 31

T HANKS F OR YOUR AT T E NT ION ANY QUE ST IONS???