WO1991014552A1 - Verfahren zum aufbereiten gummihaltigen abfalls für die weiterverarbeitung - Google Patents
Verfahren zum aufbereiten gummihaltigen abfalls für die weiterverarbeitung Download PDFInfo
- Publication number
- WO1991014552A1 WO1991014552A1 PCT/EP1991/000583 EP9100583W WO9114552A1 WO 1991014552 A1 WO1991014552 A1 WO 1991014552A1 EP 9100583 W EP9100583 W EP 9100583W WO 9114552 A1 WO9114552 A1 WO 9114552A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- waste
- screw press
- rubber
- cooling
- screw
- Prior art date
Links
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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B17/0404—Disintegrating plastics, e.g. by milling to powder
- B29B17/0408—Disintegrating plastics, e.g. by milling to powder using cryogenic systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/18—Use of auxiliary physical effects, e.g. ultrasonics, irradiation, for disintegrating
- B02C19/186—Use of cold or heat for disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/22—Crushing mills with screw-shaped crushing means
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
- F25D3/11—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air with conveyors carrying articles to be cooled through the cooling space
-
- 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
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/0424—Specific disintegrating techniques; devices therefor
- B29B2017/046—Extruder as pressing tool with calibrated die openings for forming and disintegrating pasty or melted material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2030/00—Pneumatic or solid tyres or parts thereof
-
- 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
Definitions
- the invention relates to a method for processing rubber-containing waste for further processing.
- Rubber-containing waste such as used rubber, car tires, reinforced rubber seals e.g. for windows and doors, in particular also of automobiles, rubber-containing hoses such as oil hoses, or the like. is currently more or less pre-shredded depending on the subsequent processing and further use. The waste is then partially, still further processed, an attempt being made to separate the individual components of the waste materials.
- metals such as iron, steel or iron wires, plastics, fibers, nonwovens or the like can also be used. to be available.
- the mixture of the individual components emerging from the mill is then separated.
- ice parts can be pulled out by means of a magnet. Fibers or the like can be suctioned off if necessary.
- the mixture of individual components can also be separated by sieving.
- the mills have a very large volume in the work area, which is why a great deal of coolant, such as liquid nitrogen or the like. must be admitted.
- the invention is therefore based on the object of providing a method for processing rubber-containing waste for further processing which is more economical in terms of energy consumption and in which less coolant, such as nitrogen or the like. is needed.
- the process according to the invention reduces the consumption of liquid nitrogen or other coolant to far less than 50% of the coolant quantity which was previously the case with the known processes, such as grinding in mills or the like. was necessary since the free volume between the waste parts in the screw press is reduced to a very great extent and is even reduced to a few volume percentages.
- the metallic components are exposed from the other components.
- the rubber is also ground and pressed so strongly that plastic and / or fiber components separate from it.
- liquid nitrogen is added to the waste for cooling.
- Nitrogen has a boiling point of -195.8 ° C.
- the waste material can be cooled to around -120 ° C by using liquid nitrogen. It emerges from the screw press at a temperature of around 50 ° C.
- temperatures as low as necessary are not necessary, such as in the preparation of Used tires, the rubber of which is already brittle, are mixed with cold water for cooling.
- the coolant can be mixed with the waste even before the waste is fed into the screw press, an optimal cooling of the waste parts resulting from an intimate mixing between the waste parts and the coolant.
- vulcanization or post-vulcanization can also be prevented when grinding the waste in a screw press.
- part of the coolant such as liquid nitrogen or water
- the residual liquid is separated from the solid parts after exiting the screw press.
- the solid waste is preferably pre-crushed before being fed into the screw press, the rubber-containing waste e.g. is introduced into the screw press in granular form. This not only makes it easier to introduce the waste into the screw press, but moreover the smaller parts can be cooled more easily and more quickly.
- the components emerging from the screw press are also easier to separate from one another.
- the granules from rubber-containing waste, e.g. Old tires can have a diameter of 10 mm to 40 mm.
- the metallic components are also in a smaller form, so that they can be more easily separated from the other components by magnets or by sieving.
- the pressure on the waste can be up to 100 bar in the screw press.
- the air present between the granulate parts is extracted from the waste to be fed into the screw press. If there is air in the screw press, the temperature in the screw press increases Screw press too strong, which is why more coolant would have to be added.
- the liquid evaporates like water or liquid nitrogen. This evaporated liquid is advantageously collected and cooled again.
- the components of the screw press such as screw casing, screw or the like, are also preferably used. through liquid nitrogen, cold water or the like, which is conducted in cooling channels. cooled, which not only improves the cooling, but the coolant can also be reused without cleaning.
- the mixture of the individual waste components emerging from the screw press is then subjected to a separation process, such as sieving, extraction of the metallic parts by magnets or the like. subject.
- the screw press can e.g. a training as described in WO-A-83 / 03.999, DE-A-3.714.508, DE-A-3.714.509 and DE-A-3.714.518. It is a screw press with two screws arranged parallel to each other. However, other screw presses can also be used.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP91506809A JPH05505773A (ja) | 1990-03-28 | 1991-03-26 | ゴム含有廃棄物の再加工のための処理方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4009902.4 | 1990-03-28 | ||
DE19904009902 DE4009902A1 (de) | 1990-03-28 | 1990-03-28 | Verfahren zum aufbereiten gummihaltigen abfalls fuer die weiterverarbeitung |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1991014552A1 true WO1991014552A1 (de) | 1991-10-03 |
Family
ID=6403210
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1991/000583 WO1991014552A1 (de) | 1990-03-28 | 1991-03-26 | Verfahren zum aufbereiten gummihaltigen abfalls für die weiterverarbeitung |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0528808A1 (de) |
JP (1) | JPH05505773A (de) |
CA (1) | CA2079209A1 (de) |
DE (1) | DE4009902A1 (de) |
WO (1) | WO1991014552A1 (de) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0596835A1 (de) * | 1992-11-03 | 1994-05-11 | Illinois Institute Of Technology | Extrusion von Polymeren in festem Zustand zur Herstellung von Pulver |
US5395055A (en) * | 1992-11-03 | 1995-03-07 | Illinois Institute Of Technology | Solid state shear extrusion pulverization |
US5397065A (en) * | 1992-11-03 | 1995-03-14 | Illinois Institute Of Technology | Solid state shear extrusion pulverization |
US5415354A (en) * | 1992-11-03 | 1995-05-16 | Illinois Institute Of Technology | Solid state shear extrusion pulverization |
DE19611951A1 (de) * | 1996-03-26 | 1997-10-02 | Werner Trapp | Verfahren zum Zerkleinern von Gummi- und Kunststoffabfällen |
US5704555A (en) * | 1993-08-02 | 1998-01-06 | Illinois Institute Of Technology | Single-screw extruder for solid state shear extrusion pulverization and method |
US5743471A (en) * | 1993-08-02 | 1998-04-28 | Illinois Institute Of Technology | Solid state shear extrusion pulverization |
US5883140A (en) * | 1993-12-06 | 1999-03-16 | National Rubber L.L.C. | Process for regeneration of rubber |
US5992335A (en) * | 1996-09-13 | 1999-11-30 | Nkk Corporation | Method of blowing synthetic resin into furnace and apparatus therefor |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10050295A1 (de) * | 2000-10-10 | 2002-04-11 | Buehler Ag | Mehrwellen-Extruder und Verfahren zur Aufbereitung und/oder Vorarbeitung von mit Füllstoff versetzten Elastomeren |
WO2004050320A1 (en) | 2002-12-02 | 2004-06-17 | Pirelli & C. S.P.A. | Extrusion pulverization process of a vulcanized rubber material |
DE10357968B4 (de) * | 2003-07-02 | 2008-04-03 | Bernd Zenker | Recyclinganlage und Verfahren zur Kaltzerkleinerung von Gummi-Erzeugnissen, Stahl-Gummi-Verbunden und Stahlcord |
DE102006028563A1 (de) * | 2006-06-22 | 2007-12-27 | Phoenix Conveyor Belt Systems Gmbh | Verfahren zum Trennen von Gummi und Metall im Rahmen der Wiederverwertung von Alt-Metall-Gummi-Artikeln |
DE102021112308A1 (de) | 2021-05-11 | 2022-11-17 | Harburg-Freudenberger Maschinenbau Gmbh | Verfahren und Vorrichtung zum Pressen |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2412586A (en) * | 1943-08-20 | 1946-12-17 | Boston Woven Hose & Rubber Com | Grinding of rubber scrap |
FR2107597A5 (de) * | 1970-09-14 | 1972-05-05 | Union Carbide Corp | |
US4041115A (en) * | 1975-05-12 | 1977-08-09 | E. I. Du Pont De Nemours And Company | Continuous process for preparing particulate microporous, open-celled polymer structures in a screw-type extruder |
DE3714509A1 (de) * | 1987-04-30 | 1988-11-10 | Wilfried Schraufstetter | Zwei schnecken aufweisende schneckenpresse, insbesondere zum zerkleinern von materialien |
DE8901206U1 (de) * | 1989-02-03 | 1989-03-23 | IGS Dosiertechnik Schmittinger Handels- und Vertriebs GmbH, 86459 Gessertshausen | Schneckenförderer |
-
1990
- 1990-03-28 DE DE19904009902 patent/DE4009902A1/de not_active Withdrawn
-
1991
- 1991-03-26 CA CA 2079209 patent/CA2079209A1/en not_active Abandoned
- 1991-03-26 EP EP91906707A patent/EP0528808A1/de not_active Withdrawn
- 1991-03-26 JP JP91506809A patent/JPH05505773A/ja active Pending
- 1991-03-26 WO PCT/EP1991/000583 patent/WO1991014552A1/de not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2412586A (en) * | 1943-08-20 | 1946-12-17 | Boston Woven Hose & Rubber Com | Grinding of rubber scrap |
FR2107597A5 (de) * | 1970-09-14 | 1972-05-05 | Union Carbide Corp | |
US4041115A (en) * | 1975-05-12 | 1977-08-09 | E. I. Du Pont De Nemours And Company | Continuous process for preparing particulate microporous, open-celled polymer structures in a screw-type extruder |
DE3714509A1 (de) * | 1987-04-30 | 1988-11-10 | Wilfried Schraufstetter | Zwei schnecken aufweisende schneckenpresse, insbesondere zum zerkleinern von materialien |
DE8901206U1 (de) * | 1989-02-03 | 1989-03-23 | IGS Dosiertechnik Schmittinger Handels- und Vertriebs GmbH, 86459 Gessertshausen | Schneckenförderer |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0596835A1 (de) * | 1992-11-03 | 1994-05-11 | Illinois Institute Of Technology | Extrusion von Polymeren in festem Zustand zur Herstellung von Pulver |
US5395055A (en) * | 1992-11-03 | 1995-03-07 | Illinois Institute Of Technology | Solid state shear extrusion pulverization |
US5397065A (en) * | 1992-11-03 | 1995-03-14 | Illinois Institute Of Technology | Solid state shear extrusion pulverization |
US5415354A (en) * | 1992-11-03 | 1995-05-16 | Illinois Institute Of Technology | Solid state shear extrusion pulverization |
US5743471A (en) * | 1993-08-02 | 1998-04-28 | Illinois Institute Of Technology | Solid state shear extrusion pulverization |
US5704555A (en) * | 1993-08-02 | 1998-01-06 | Illinois Institute Of Technology | Single-screw extruder for solid state shear extrusion pulverization and method |
US5883140A (en) * | 1993-12-06 | 1999-03-16 | National Rubber L.L.C. | Process for regeneration of rubber |
DE19611951A1 (de) * | 1996-03-26 | 1997-10-02 | Werner Trapp | Verfahren zum Zerkleinern von Gummi- und Kunststoffabfällen |
US5992335A (en) * | 1996-09-13 | 1999-11-30 | Nkk Corporation | Method of blowing synthetic resin into furnace and apparatus therefor |
US6085672A (en) * | 1996-09-13 | 2000-07-11 | Nkk Corporation | Apparatus for blowing synthetic resin into furnace |
US6230634B1 (en) | 1996-09-13 | 2001-05-15 | Nkk Corporation | Method of blowing synthetic resin into a furnace |
US6540798B2 (en) | 1996-09-13 | 2003-04-01 | Nkk Corporation | Method of processing synthetic resins into a furnace fuel and method for blowing synthetic resins as a fuel into a furnace |
US6660052B1 (en) | 1996-09-13 | 2003-12-09 | Nkk Corporation | Method for blowing synthetic resins as a fuel into a furnace |
Also Published As
Publication number | Publication date |
---|---|
JPH05505773A (ja) | 1993-08-26 |
CA2079209A1 (en) | 1991-09-29 |
DE4009902A1 (de) | 1991-10-02 |
EP0528808A1 (de) | 1993-03-03 |
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