EP0761310B1 - Procédé et installation de broyage et de tamisage de matériau - Google Patents
Procédé et installation de broyage et de tamisage de matériau Download PDFInfo
- Publication number
- EP0761310B1 EP0761310B1 EP96111417A EP96111417A EP0761310B1 EP 0761310 B1 EP0761310 B1 EP 0761310B1 EP 96111417 A EP96111417 A EP 96111417A EP 96111417 A EP96111417 A EP 96111417A EP 0761310 B1 EP0761310 B1 EP 0761310B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mill
- classifier
- gas
- line
- coolant
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
Links
- 239000000463 material Substances 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000003801 milling Methods 0.000 title claims 3
- 238000009434 installation Methods 0.000 title 1
- 239000002826 coolant Substances 0.000 claims abstract description 22
- 239000012080 ambient air Substances 0.000 claims abstract description 6
- 239000002245 particle Substances 0.000 claims description 9
- 238000005057 refrigeration Methods 0.000 claims 1
- 238000000227 grinding Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 21
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 11
- 239000007788 liquid Substances 0.000 description 9
- 239000003795 chemical substances by application Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 5
- 238000012432 intermediate storage Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001035 drying Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012216 screening Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 241000761427 Boraras micros Species 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/24—Passing gas through crushing or disintegrating zone
- B02C23/32—Passing gas through crushing or disintegrating zone with return of oversize material to crushing or disintegrating zone
-
- 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
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
- B02C23/22—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating with recirculation of material to crushing or disintegrating zone
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S241/00—Solid material comminution or disintegration
- Y10S241/14—Grinding in inert, controlled atmosphere
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S241/00—Solid material comminution or disintegration
- Y10S241/37—Cryogenic cooling
Definitions
- the invention relates to a method for grinding and classifying regrind according to the preamble of claim 1 and one for implementation device suitable for the method.
- DE-PS 38 33 830 C2 shows a device of the applicant for the Production of extremely fine dusts with particle sizes down to less than 10 Micrometer in which a classifier is integrated.
- EP 0 044 507 A1 describes a process in which labels are applied to plastic parts Views are separated.
- EP 0 317 935 B1 there is a device shown in which the cold gas emerging from a mill by a Cyclone is freed from particles.
- DE-OS 23 18 549 that is Cold grinding ground material is classified by a sieving device.
- the writings mentioned in the prior art relate either others rely on the production of extremely fine dusts Based on tasks.
- EP 0 044 507 A1 does not refer to particle size but separated according to material properties.
- EP 0 610 162 A2 describes a device for cryogenic decomposition and screening of solid waste, in which the waste by Brittle contact with a cryogenic coolant, crushed in a mill and then into individual components using a view is classified.
- the classifiers are in a closed pneumatic Cycle arranged and with a dry carrier medium operated. This prevents water from getting on the cooled Regrind condensed.
- the invention is therefore based on the object, a method and a To create device with which the production of fine goods cost-saving and can be carried out with less time.
- the feed is via a Hopper 1 placed on a screw conveyor 2, which is the feed feeds to a rotary valve 4 via a metal separator 3, the one cooling screw 5, which is injected 6 with liquid Coolant is filled with the feed.
- the exit the cooling screw 5 is connected to a mill 8 via the line 7, whose outlet 9 is connected to a funnel 10, which leads into a rotary valve 11.
- From the cellular wheel sluice 11 leads a connection 12 to the line 13, which in an external Sifter 14 opens.
- a line 15 branches from the classifier 14 with a rotary valve 16, which opens into the funnel 1 and serves to return Kochkom.
- Another line 17 is used for Removal of the fine material and opens into a cyclone 18, the output side is equipped with a rotary valve 19.
- Line 20 which has a valve 21 and a blower 22 leads back into the line 13.
- a line 23 which with is equipped with a valve 24 and in the fine material chamber 25 of the Classifier 14 opens.
- a line branches from line 20 26, which via a valve 27 and a filter 28 into a rotary valve 29 as well as the surroundings.
- On the funnel 10 is a line 31 connected to a filter 32 which is gaseous Coolant returns to line 7.
- Branch off from line 31 the lines 33 and 34, which are equipped with the valves 35 and 36 are.
- Line 34 is connected to line 20, line 33 leads to the surroundings.
- the feed material is now transferred to the screw conveyor via the hopper 1 2 abandoned, which the feed material over the metal separator 3 introduces into the rotary valve 4, which is the feed of Cooling screw 5 feeds.
- the liquid coolant in this case liquid nitrogen, entered into the cooling screw 5.
- the feed material is cooled and embrittled. That on this way pretreated feed is through line 7 fed to the mill 8, which crushes the feed material. That on this Way crushed in the vaporized liquid nitrogen gas stream Regrind is via the outlet 9, the hopper 10 and the rotary valve 11 fed from which the shredded via the connection 12 Grist in the cold gas stream is conveyed into the classifier 14.
- the Device is along the route from mill 8 via the exit 9, the funnel 10, the rotary valve 11 and the connection 12 sealed gas-tight to the environment. This is a Entry of ambient air and the associated moisture are excluded.
- the shredded regrind gets into the cold gas stream of the Coolant via line 13 in the classifier 14, in which the oversize is separated from the fines.
- the overcomer arrives via line 15 and the rotary valve 16 back into the hopper 1.
- the fine goods will conveyed via line 17 into a cyclone 18 in which it is from the cold gas stream separated and discharged via the rotary valve 19.
- the remaining cold gas passes through line 20 via the blower 22 in the form of a circuit again in line 13, which it again fed to the sifter.
- line 20 can via the 30th continue to supply liquid nitrogen, which evaporates in line 20 to avoid any loss of cold gas within the classifier circuit to compensate.
- the gas stream is passed through a filter 28 which is the cold gas of particles emerging from the filter polluting the environment could be liberated.
- the separated particles can can be separated and collected via a rotary valve 29.
- the funnel 10 also branches off in a gastight fashion Line 31, which leads through the filter 32, which in turn occurs Separates particles.
- the gas stream emerging from the filter, which is a has low temperature, can continue in the cycle line 31 can be returned to line 7 for total consumption to reduce liquid nitrogen as a coolant.
- excess cold gas can be supplied via line 33 to the Valve 35 is equipped to be released to the environment. It is also possible, the classifier circuit through line 34, which with the Valve 36 is equipped with additional cold gas from the grinding process supply by feeding the cold gas into line 20 possible cycle gas losses in the closed classifier circuit to compensate.
- the classifier gas cycle is narrower and only includes the fine chamber of the classifier, the line 17 with the cyclone 18, the Line 20 with the blower 22 and the line return 23 with the valve 24.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Disintegrating Or Milling (AREA)
- Crushing And Grinding (AREA)
- Combined Means For Separation Of Solids (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- General Preparation And Processing Of Foods (AREA)
Claims (10)
- Procédé de broyage et de tamisage de produits à broyer selon lequel on casse le produit à broyer par un agent frigorifique et on le réduit dans un broyeur (8), le produit réduit étant fourni à une installation de tamisage (14) à l'abri de l'air ambiant, cette installation assurant le classement du produit broyé.
caractérisé en ce que
l'installation de tamisage (14) est intégrée dans un circuit de gaz de tamisage, séparé du broyeur (8),
ce circuit de gaz de tamisage utilisant l'agent réfrigérant déjà utilisé pour rendre les produits cassants et le produit broyé est transféré dans l'installation de tamisage (14) dans une atmosphère d'agent réfrigérant à l'état gazeux. - Procédé selon la revendication 1
caractérisé en ce que
les grains de dimension excessive séparés dans l'installation de tamisage (14) sont réintroduits dans le broyeur (8). - Procédé selon l'une quelconque des revendications 1 ou 2,
caractérisé en ce qu'
une partie de l'agent réfrigérant utilisée dans le broyeur (8) est fournie au circuit de gaz de tamisage à l'état gazeux pour compenser les pertes de gaz et les pertes de frigories du circuit de gaz de tamisage. - Procédé selon l'une quelconque des revendications 1 à 3,
caractérisé en ce qu'
une partie de l'agent frigorifique utilisée dans le broyeur (8) est de nouveau fournie de nouveau au broyeur (8) à l'état gazeux. - Procédé selon l'une quelconque des revendications 1 à 4,
caractérisé en ce que
les grains de taille excessive séparés dans l'installation de tamisage (14) sont réintroduits dans le procédé de broyage à l'état froid. - Dispositif comportant un broyeur (8) pour réduire des produits à broyer, le broyeur (8) étant combiné à une installation de tamisage (14) reliée au broyeur par des moyens permettant le transfert des produits broyés dans l'installation de tamisage (14) sans contact avec l'air ambiant,
caractérisé en ce que
l'installation de tamisage (14) est intégrée dans un circuit de gaz de tamisage distinct de celui du broyeur (8), cette installation étant reliée par une conduite (34) à une conduite (20, 23) à la sortie du broyeur (8), pour introduire l'agent frigorifique gazeux dans le circuit de gaz de tamisage. - Dispositif selon la revendication 6,
caractérisé en ce que
l'installation de tamisage (14) est reliée au broyeur (8) par des moyens fournissant au broyeur (8) les grains de taille excessive. - Dispositif selon l'une quelconque des revendications 6 ou 7,
caractérisé en ce qu'
une conduite (31) est prévue sur le côté de sortie du broyeur (8), cette conduite étant reliée à l'entrée du broyeur (8). - Dispositif selon l'une quelconque des revendications 6 à 8.
caractérisé par
un filtre (32) monté dans la conduite (31) partant de la sorite du broyeur (8). - Dispositif selon l'une quelconque des revendications 6 à 9,
caractérisé en ce que
la conduite (20) du circuit de gaz de tamisage comporte une sortie de gaz avec un filtre (28) et une sortie de particules.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19533078A DE19533078A1 (de) | 1995-09-07 | 1995-09-07 | Verfahren und Vorrichtung zum Mahlen und Sichten von Mahlgut |
DE19533078 | 1995-09-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0761310A1 EP0761310A1 (fr) | 1997-03-12 |
EP0761310B1 true EP0761310B1 (fr) | 2002-10-09 |
Family
ID=7771520
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP96111417A Expired - Lifetime EP0761310B1 (fr) | 1995-09-07 | 1996-07-16 | Procédé et installation de broyage et de tamisage de matériau |
Country Status (9)
Country | Link |
---|---|
US (1) | US5887803A (fr) |
EP (1) | EP0761310B1 (fr) |
AT (1) | ATE225684T1 (fr) |
BR (1) | BR9603679A (fr) |
CA (1) | CA2183175C (fr) |
DE (2) | DE19533078A1 (fr) |
ES (1) | ES2187594T3 (fr) |
HU (1) | HU221131B1 (fr) |
MX (1) | MX9603467A (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CZ284889B6 (cs) * | 1998-07-17 | 1999-03-17 | Eduard Gutfreund | Zařízení pro zpracování průmyslového pryžového a plastového odpadu |
US6521278B1 (en) | 2000-09-12 | 2003-02-18 | Mars, Incorporated | Food materials with improved flavor and functionality due to size reduction in a modified atmosphere |
DE10053013A1 (de) * | 2000-10-17 | 2002-04-25 | Recom Patent & License Gmbh | Anlage zur Aufbereitung von Altgummi |
DE10059442A1 (de) | 2000-11-30 | 2002-06-13 | Messer Griesheim Gmbh | Vorrichtung und Verfahren zur Herstellung von Feingut aus chemisch aktivem Mahlgut |
CN100415362C (zh) * | 2001-01-21 | 2008-09-03 | 尹兴伊 | 用带扬料板的回转窑焙烧硅藻土生产防虫剂的方法 |
DE10122259A1 (de) * | 2001-05-08 | 2002-11-14 | Fact Future Advanced Composite | Vorrichtung zum Abscheiden von Stofffraktionen |
IL193633A (en) | 2008-08-21 | 2015-05-31 | Ecotech Recycling Ltd | A device and method for separating solid particles |
DE102011112741B4 (de) * | 2011-09-07 | 2015-09-03 | Werner Hofmann | Inertgasgedeckte geschlossene Mahl-und Siebanlage |
US9873813B2 (en) * | 2013-02-15 | 2018-01-23 | Ohio State Innovation Foundation | Bioprocessing of harvested plant materials for extraction of biopolymers and related materials and methods |
DE102014112154A1 (de) * | 2014-08-26 | 2016-03-03 | Netzsch Trockenmahltechnik Gmbh | Verfahren zur klassierung von feststoff- produktfraktionen, trennvorrichtung und zerkleinerungsanlage |
CN107754980A (zh) * | 2017-12-08 | 2018-03-06 | 扬州天地源机电制造有限公司 | 一种电动式且有效防止浪费的药片粉碎装置 |
CN108043548A (zh) * | 2017-12-22 | 2018-05-18 | 合肥市脍炙人家家居用品有限责任公司 | 一种混凝土粉碎机 |
CN110975973B (zh) * | 2019-12-12 | 2021-11-23 | 聊城科创节能设备有限公司 | 一种利用颚式破碎控制收集重新破碎自动上料的装置 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE935762C (de) * | 1953-04-03 | 1955-11-24 | Condux Werk | Zerkleinerungsanlage, insbesondere fuer waermeempfindliche Stoffe |
DE2318549A1 (de) * | 1972-04-13 | 1973-11-08 | Union Carbide Corp | Kryogenes zerkleinerungsverfahren |
DE2311933C3 (de) * | 1973-03-09 | 1979-12-20 | Linde Ag, 6200 Wiesbaden | Verfahren und Vorrichtung zur Zerkleinerung von Stoffen bei tiefen Temperaturen |
GB1534274A (en) * | 1975-01-21 | 1978-11-29 | Boc International Ltd | Size reduction |
GB1581030A (en) * | 1977-06-16 | 1980-12-10 | Boc Ltd | Comminution process |
IT1062860B (it) * | 1976-02-16 | 1985-02-11 | Italo Danioni S D F | Impianto di macinazione a temperature criogeniche |
DE2743766A1 (de) * | 1977-09-29 | 1979-04-12 | Bayer Ag | Zerkleinern von festen stoffen |
FR2456556A1 (fr) * | 1979-05-18 | 1980-12-12 | Air Liquide | Procede et installation de broyage cryogenique de produits |
US4406411A (en) * | 1979-09-10 | 1983-09-27 | Ford Motor Company | Reclamation and rejuvenation of plastic and metal from metallized plastic |
DE3027251C2 (de) * | 1980-07-18 | 1982-08-19 | Tyczka GmbH & Co Gesellschaft für Gase, Wassertechnik, Engineering, 8192 Geretsried | Verfahren zur Wiederverwertung von mit Etiketten beklebten Kunststoffteilen |
US4721256A (en) * | 1984-07-26 | 1988-01-26 | University Of Queensland | Comminution of coal, ores and industrial minerals and rocks |
US4934609A (en) * | 1984-10-19 | 1990-06-19 | International Flavors & Fragrances Inc. | Fragrance-containing polymeric particles suspended in antiperspirant and/or deodorant vehicle |
FR2609790B1 (fr) * | 1987-01-16 | 1989-03-31 | Air Liquide | Procede et installation d'alimentation d'un appareil en azote |
CA1328862C (fr) * | 1987-11-25 | 1994-04-26 | Andrew Paul Ondush | Methode et appareil de broyage fin |
DE3833830A1 (de) * | 1988-10-05 | 1990-04-12 | Messer Griesheim Gmbh | Verfahren und vorrichtung zum kaltmahlen |
US4863106A (en) * | 1988-10-13 | 1989-09-05 | Tde, Inc. | Process for low temperature comminution of scrap tires |
SU1747167A1 (ru) * | 1990-07-31 | 1992-07-15 | Балашихинское научно-производственное объединение криогенного машиностроения им.40-летия Октября | Установка дл измельчени материалов при низких температурах |
IT1271454B (it) * | 1993-01-28 | 1997-05-28 | Pro Co Gen Progettazioni E Cos | Impianto di criotrasformazione e selezione di rifiuti solidi urbani. |
US5588600A (en) * | 1995-06-07 | 1996-12-31 | Perfido; Kenneth F. | Process and apparatus for making crumb rubber from vehicle tires |
-
1995
- 1995-09-07 DE DE19533078A patent/DE19533078A1/de not_active Ceased
-
1996
- 1996-07-16 ES ES96111417T patent/ES2187594T3/es not_active Expired - Lifetime
- 1996-07-16 DE DE59609772T patent/DE59609772D1/de not_active Expired - Lifetime
- 1996-07-16 EP EP96111417A patent/EP0761310B1/fr not_active Expired - Lifetime
- 1996-07-16 AT AT96111417T patent/ATE225684T1/de not_active IP Right Cessation
- 1996-08-12 CA CA002183175A patent/CA2183175C/fr not_active Expired - Fee Related
- 1996-08-16 MX MX9603467A patent/MX9603467A/es not_active IP Right Cessation
- 1996-08-20 US US08/699,924 patent/US5887803A/en not_active Expired - Fee Related
- 1996-08-30 HU HU9602384A patent/HU221131B1/hu not_active IP Right Cessation
- 1996-09-06 BR BR9603679A patent/BR9603679A/pt not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE59609772D1 (de) | 2002-11-14 |
ES2187594T3 (es) | 2003-06-16 |
CA2183175A1 (fr) | 1997-03-08 |
DE19533078A1 (de) | 1997-03-13 |
EP0761310A1 (fr) | 1997-03-12 |
HUP9602384A2 (en) | 1997-05-28 |
HU9602384D0 (en) | 1996-10-28 |
BR9603679A (pt) | 1998-08-25 |
HU221131B1 (en) | 2002-08-28 |
HUP9602384A3 (en) | 1998-06-29 |
ATE225684T1 (de) | 2002-10-15 |
MX9603467A (es) | 1997-03-29 |
CA2183175C (fr) | 2005-10-18 |
US5887803A (en) | 1999-03-30 |
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