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HRP20231268T1 - Postupak i uređaj za mljevenje termoplastičnog polimera i za proizvodnju materijala u prahu od njega - Google Patents

Postupak i uređaj za mljevenje termoplastičnog polimera i za proizvodnju materijala u prahu od njega Download PDF

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Publication number
HRP20231268T1
HRP20231268T1 HRP20231268TT HRP20231268T HRP20231268T1 HR P20231268 T1 HRP20231268 T1 HR P20231268T1 HR P20231268T T HRP20231268T T HR P20231268TT HR P20231268 T HRP20231268 T HR P20231268T HR P20231268 T1 HRP20231268 T1 HR P20231268T1
Authority
HR
Croatia
Prior art keywords
thermoplastic polymer
comminuting
separating agent
weight
initial powder
Prior art date
Application number
HRP20231268TT
Other languages
English (en)
Inventor
Dittmar OTTEN
Original Assignee
Dressler Group GmbH & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dressler Group GmbH & Co. KG filed Critical Dressler Group GmbH & Co. KG
Publication of HRP20231268T1 publication Critical patent/HRP20231268T1/hr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/10—Making granules by moulding the material, i.e. treating it in the molten state
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
    • B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/12—Making granules characterised by structure or composition
    • B29B2009/125—Micropellets, microgranules, microparticles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • B29B2009/163—Coating, i.e. applying a layer of liquid or solid material on the granule
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B9/00—Making granules
    • B29B9/16—Auxiliary treatment of granules
    • B29B2009/166—Deforming granules to give a special form, e.g. spheroidizing, rounding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2101/00—Use of unspecified macromolecular compounds as moulding material
    • B29K2101/12—Thermoplastic materials
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Disintegrating Or Milling (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Developing Agents For Electrophotography (AREA)

Claims (10)

1. Postupak za usitnjavanje termoplastičnog polimera, i za proizvodnju praškaste tvari s unaprijed definiranom raspodjelom zrna iz toga, koji ima sljedeće korake postupka: - unaprijed definiranje željene raspodjele zrna praškaste tvari, - usitnjavanje termoplastičnog polimera, dostavljenog u obliku gruda, u uređaju za usitnjavanje kako bi se proizveo početni prah koji sadrži zrnca, - prosijavanje navedenog početnog praha najmanje jednom dok se ne dobije praškasta tvar s unaprijed definiranom raspodjelom zrna, pri čemu se sredstvo za odvajanje uvodi u uređaj za usitnjavanje u koraku usitnjavanja, pri čemu sredstvo za odvajanje ima oblik finog praha i oblaže zrnca početnog praha na način prašine, čime se smanjuje ljepljivost početnog praha i sposobnost stvaranja aglomerata, pri čemu se a) korak usitnjavanja provodi u mlinu koji je dio uređaja za usitnjavanje i tijekom tog procesa rashladno sredstvo se dovodi u uređaj za usitnjavanje na temperaturi < -50°C, ili b) korak usitnjavanja koristi toranj za raspršivanje, u kojem se termoplastični polimer usitnjava taljenjem ili otapanjem i zatim atomiziranjem pomoću najmanje jedne mlaznice za raspršivanje, pri čemu se rashladno sredstvo dovodi u uređaj za usitnjavanje na temperaturi < -50°C .
2. Postupak prema zahtjevu 1, naznačen time što je sredstvo za odvajanje odabrano iz najmanje jednog iz sljedeće skupine: surfaktanti, voskovi, metalni sapuni.
3. Postupak prema zahtjevu 1 ili 2, naznačen time što da je sredstvo za odvajanje hidrofobno.
4. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time što sredstvo za odvajanje ima temperaturu tališta koja se razlikuje od temperature tališta polimera za najviše 30°C.
5. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time što se sredstvo za odvajanje dovodi prije završetka proizvodnje početnog praha.
6. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time što se najmanje jedno mehanički pomicano sito (46), posebno vibrirajuće sito (46), sito (46) koje izvodi prevrtanje ili sito (46) koje se pobuđuje ultrazvukom, koristi u koraku prosijavanja.
7. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time što se sredstvo za odvajanje daje u težinskom postotku koji ne prelazi 5% u odnosu na težinu termoplastičnog polimera.
8. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time što se sredstvo za odvajanje daje u težinskom postotku koji nije manji od 0.1 težinskog postotka u odnosu na težinu termoplastičnog polimera.
9. Postupak prema bilo kojem od prethodnih zahtjeva, naznačen time što termoplastični polimer ima tvrdoću Shore A manju od 90 na normalnoj temperaturi.
10. Uređaj za izvođenje postupka prema bilo kojem od zahtjeva 1 do 9, koji je konfiguriran za usitnjavanje termoplastičnog polimera i proizvodnju praškaste tvari s unaprijed definiranom distribucijom zrna, koji ima kao karakteristična svojstva - uređaj za usitnjavanje termoplastičnih polimera koji se dostavlja u obliku gruda, koji uključuje mlin ili toranj za raspršivanje, i koji ima ulaz za termoplastični polimer, izlaz (42) za početni prah, i dovodni vod (30) za rashladno sredstvo s temperaturom < -50°C, - i uređaj za prosijavanje (44) koji je postavljen nizvodno od uređaja za usitnjavanje i povezan s njim preko cjevovoda u kojima se prenosi početni prah, pri čemu uređaj za prosijavanje (44) ima najmanje jedno sito (46) koje je dizajnirano za unaprijed definiranu distribuciju žitarica, pri čemu uređaj za usitnjavanje ima sredstvo za uvođenje sredstva za odvajanje u uređaj za usitnjavanje.
HRP20231268TT 2018-08-03 2019-07-16 Postupak i uređaj za mljevenje termoplastičnog polimera i za proizvodnju materijala u prahu od njega HRP20231268T1 (hr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102018118913 2018-08-03
PCT/EP2019/069103 WO2020025312A1 (de) 2018-08-03 2019-07-16 Verfahren und vorrichtung zum zerkleinern eines kunststoffs und zur herstellung von pulverförmigen stoffen aus diesem kunststoff
EP19740559.0A EP3829843B1 (de) 2018-08-03 2019-07-16 Verfahren und vorrichtung zum zerkleinern eines thermoplastischen polymers und zur herstellung eines pulverförmigen stoffs daraus

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HRP20231268T1 true HRP20231268T1 (hr) 2024-02-02

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Country Status (13)

Country Link
US (1) US11534941B2 (hr)
EP (1) EP3829843B1 (hr)
JP (1) JP7200352B2 (hr)
KR (1) KR102695492B1 (hr)
CN (1) CN112543697A (hr)
AU (1) AU2019314951B2 (hr)
CA (1) CA3107048C (hr)
ES (1) ES2962647T3 (hr)
HR (1) HRP20231268T1 (hr)
HU (1) HUE063716T2 (hr)
PL (1) PL3829843T3 (hr)
RS (1) RS64715B1 (hr)
WO (1) WO2020025312A1 (hr)

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Also Published As

Publication number Publication date
EP3829843C0 (de) 2023-08-23
PL3829843T3 (pl) 2024-02-26
KR102695492B1 (ko) 2024-08-16
RS64715B1 (sr) 2023-11-30
CN112543697A (zh) 2021-03-23
HUE063716T2 (hu) 2024-01-28
JP7200352B2 (ja) 2023-01-06
AU2019314951B2 (en) 2022-03-10
EP3829843A1 (de) 2021-06-09
WO2020025312A1 (de) 2020-02-06
CA3107048C (en) 2023-06-13
AU2019314951A1 (en) 2021-02-11
JP2021533215A (ja) 2021-12-02
CA3107048A1 (en) 2020-02-06
US20210299912A1 (en) 2021-09-30
US11534941B2 (en) 2022-12-27
ES2962647T3 (es) 2024-03-20
EP3829843B1 (de) 2023-08-23
KR20210024105A (ko) 2021-03-04

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