EP3789118A1 - Broyeur à chocs destiné au concassage des solides - Google Patents

Broyeur à chocs destiné au concassage des solides Download PDF

Info

Publication number: EP3789118A1
Authority: EP; European Patent Office
Prior art keywords: impact; rotor; mill according; impact mill; hammers
Prior art date: 2019-08-21
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.): Granted

Application number

EP20000284.8A

Other languages

German (de)

English (en)

Other versions

EP3789118B1 (fr

EP3789118C0 (fr

Inventor

Michael Riggenmann

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Trenn- und Sortiertechnik GmbH

Original Assignee

Trenn- und Sortiertechnik GmbH

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.)

2019-08-21

Filing date

2020-08-14

Publication date

2021-03-10

2020-08-14 Application filed by Trenn- und Sortiertechnik GmbH filed Critical Trenn- und Sortiertechnik GmbH

2021-03-10 Publication of EP3789118A1 publication Critical patent/EP3789118A1/fr

2025-05-28 Application granted granted Critical

2025-05-28 Publication of EP3789118B1 publication Critical patent/EP3789118B1/fr

2025-05-28 Publication of EP3789118C0 publication Critical patent/EP3789118C0/fr

Status Active legal-status Critical Current

2040-08-14 Anticipated expiration legal-status Critical

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
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B02C13/16—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices with beaters hinged to the rotor
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/14—Disintegrating by mills having rotary beater elements ; Hammer mills with vertical rotor shaft, e.g. combined with sifting devices
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/282—Shape or inner surface of mill-housings
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C13/00—Disintegrating by mills having rotary beater elements ; Hammer mills
- B02C13/26—Details
- B02C13/28—Shape or construction of beater elements
- B02C2013/2808—Shape or construction of beater elements the beater elements are attached to disks mounted on a shaft

Definitions

the invention relates to an impact mill for the comminution of solids, in particular waste materials, and for the separation of composite materials made of metals, plastics, minerals and the like, consisting of a rotor arranged on a machine base with a vertically arranged rotor shaft and a housing jacket enclosing the rotor shaft at a distance, wherein the housing jacket is provided on its inside with interchangeably arranged impact ribs running in the axial direction of the rotor shaft and the rotor is provided with also exchangeable impact hammers opposite the impact ribs, and the impact ribs and the impact hammers are each arranged essentially evenly over the circumference.
Such devices are known from the prior art and are used there in order to achieve a separation of composite materials, in particular their unlocking.
Composites of metal and plastics are of particular importance here; however, composite materials made of different metals or different plastics can also be unlocked.
the separation is achieved in that the physical properties of the individual components of the composite materials are different, whereby when the materials hit the impact ribs or the hammers, a different elastic or plastic deformation is achieved, as a result of which the separation occurs.
the size of the "granulate" formed which is dependent on the spatial conditions in the impact mill, also has a great influence on the result of the subsequent separation quality. It is therefore desirable to be able to make a mutual spatial adjustment of the impact ribs and impact hammers, especially since the distance also influences the wear and tear of the striking tools when used as intended, so that a reduction in the regular maintenance or replacement of the striking tools can be achieved
the invention is therefore based on the object of designing an impact mill of the type mentioned in such a way that the impact hammers can be adjusted relative to the impact ribs and are accessible with little effort, so that additional inspections, cleaning and any replacement that may have become necessary are simple and easy can be done in a short time.
the rotor has one or more axially offset rotor plates on which the hammers are pivotably and radially adjustable.
the advantage achieved by the invention consists essentially in the fact that the distance between the hammers and the impact ribs can easily be adapted to the material to be ground by the radial adjustment of the hammers.
an adjusting disc can be detachably arranged for each percussion hammer on each of the rotor plates, on which each percussion hammer is eccentrically arranged with a hinge pin. The mutual distance can then be changed by turning the adjusting disk.
the circumferential contour of the adjusting disk is advantageously formed by a regular polygon, the rotating position of the adjusting disk being able to be connected to the rotor plate in a changeable manner.
a suitable and therefore preferred design within the scope of the invention is selected such that the adjusting disk is formed by a 12-cornered polygon.
the rotor plates are provided with receptacles for the non-rotating connection of the adjusting disks.
the housing jacket is formed by two housing half-shells which can be separated from one another and which are divided by a plane running in the axis of the rotor shaft.
each housing half-shell is connected near its axially extending edge to a pivot shaft parallel to the rotor shaft.
the two housing half-shells - after separation from one another - can simply be swiveled open so that the housing half-shells remain connected to the impact mill for further processing, which facilitates the inspection and mechanical work for replacing the impact ribs.
the pivot shafts are supported with their lower end on the machine base and with their upper end in a U-shaped machine frame that extends over the machine base and is connected to it.
housing half-shells are mounted axially displaceably on the pivot shafts. This makes it possible to lift the housing half-shells slightly from the machine base in order to pivot them open.
the invention provides that the housing half-shells are screwed to one another at their axially extending edges and / or to their edge adjacent to the machine base.
the housing half-shells are closed by a semicircular cover on their edge facing away from the machine base, the cover being provided with a filling / supply air opening. In this way, the impact mill can be continuously charged with composite material to be separated.
a material outlet / exhaust air opening is provided within the housing shell in the bottom of the machine base.
the rotor shaft is mounted in a bearing on the machine base and on the machine frame between the pivot shafts.
the impact ribs advantageously rest in a groove in the door halves and alternately have a different radial height.
the impact ribs protruding radially further inward form suitable edges at which the composite material can be opened up.
the throughput of material can be increased in that an air flow is generated via the supply air or exhaust air opening.
the impact mill shown in the drawing is used to crush solids, in particular waste materials, and to separate composite materials made of metals, plastics, minerals and the like.
the impact mill consists in detail of a rotor 2 arranged on a machine base 1 with a vertically arranged rotor shaft 3 and a housing jacket 4 enclosing the rotor shaft 3 at a distance.
the housing jacket 4 is provided on its inside with interchangeably arranged impact ribs 5 extending in the axial direction of the rotor shaft.
the rotor 2 is also provided with exchangeable hammer hammers 6 opposite the impact ribs 5.
the impact ribs 5 and the demolition hammers 6 are in this case each arranged essentially evenly distributed over the circumference.
the rotor 2 according to FIG Fig. 3 one or more axially offset rotor plates 13 on which the hammers 6 are pivotably and radially adjustable.
an adjusting disk 14 is detachably arranged on each of the rotor plates 13 for each percussion hammer 6, on which each percussion hammer 6 is eccentrically arranged with a hinge pin.
the circumferential contour of the adjusting disk 14 is formed by a regular polygon, the rotating position of the adjusting disk 14 being able to be connected to the rotor plate 13 such that it can be changed.
the number of corners of the polygon can be chosen largely arbitrarily;
the adjusting disk 14 is formed by a 12-cornered polygon.
the rotor plates 13 are provided with receptacles for the non-rotatable connection of the adjusting disks 14 in a manner not shown in detail.
the hammers 6 are provided with pincer-shaped connection means which encompass the rotor plate 13 on both sides and are connected to the adjusting disk by means of a hinge pin.
the housing jacket 4 is formed by two housing half-shells 4.1, 4.2, which can be separated from one another and which are divided by a plane running in the axis of the rotor shaft 3. This results in two housing half-shells 4.1, 4.2 of the same size, which can be easily separated from one another for maintenance work.
each of the two housing half-shells 4.1, 4.2 is connected near its axially extending edge to a pivot shaft 7 parallel to the rotor shaft 3.
the Pivot shafts 7 are mounted with their lower end on the machine base 1 and with their upper end on a U-shaped machine frame 8 which is connected to the machine base 1 and overlaps it.
housing half-shells 4.1, 4.2 In order to be able to simply pivot open the housing half-shells 4.1, 4.2, they are mounted on the pivot shafts 7 in an axially displaceable manner. This makes it easier to open by slightly lifting the housing half-shells 4.1, 4.2, especially if comminuted solids have penetrated between the lower edge of the housing half-shell and the machine base, which can generate friction when opening.
the housing half-shells 4.1, 4.2 are screwed to one another at their axially extending edges and / or to the machine base 1 at their edge resting on the latter. How to continue from the Figures 1 to 3 As can be seen, the housing half-shells 4.1, 4.2 are closed at their edge facing away from the machine base 1 by a semicircular cover 9. In this cover 9 a filling opening 10 is provided, which is used on the one hand to fill in the solids to be comminuted; at the same time, this opening 10 can also be used for supply air.
an outlet opening 11 is provided within the housing shell 4 in the bottom of the machine base 1, through which on the one hand the comminuted material and on the other hand the exhaust air can be discharged.
the rotor shaft 3 is also mounted in a bearing 12 on the machine base 1 on the one hand and on the machine frame 8 on the other hand between the pivot shafts 7.
the impact ribs 5 rest in a groove of the housing half-shells 4.1,4.2 in a manner not shown in the drawing and alternately have a different radial height so that the impact rib 5 protruding radially inward is used to comminute the solids.
the arrangement of the hammers 6 is chosen so that the distance between them and the impact ribs 5 decreases vertically downwards, so that the solids are continuously comminuted on the way from the filling opening 10 above to the outlet opening below.

Landscapes

Engineering & Computer Science (AREA)
Food Science & Technology (AREA)
Crushing And Pulverization Processes (AREA)

EP20000284.8A 2019-08-21 2020-08-14 Broyeur à chocs destiné au concassage des solides Active EP3789118B1 (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE102019005890.9A DE102019005890A1 (de)	2019-08-21	2019-08-21	Prallmühle zur Zerkleinerung von Feststoffen

Publications (3)

Publication Number	Publication Date
EP3789118A1 true EP3789118A1 (fr)	2021-03-10
EP3789118B1 EP3789118B1 (fr)	2025-05-28
EP3789118C0 EP3789118C0 (fr)	2025-05-28

Family

ID=72139423

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20000284.8A Active EP3789118B1 (fr)	2019-08-21	2020-08-14	Broyeur à chocs destiné au concassage des solides

Country Status (3)

Country	Link
US (1)	US11697120B2 (fr)
EP (1)	EP3789118B1 (fr)
DE (1)	DE102019005890A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN116422418B (zh) *	2023-04-23	2025-07-18	山东惟远新材料装备有限公司	一种超细粉碎分级机

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US20090159732A1 (en) *	2005-12-08	2009-06-25	Swissrtec Gmbh	Rotor For An Impact Crusher
WO2013167398A1 (fr) *	2012-05-08	2013-11-14	Pms Handelskontor Gmbh	Dispositif de fractionnement
US20160144371A1 (en) *	2014-02-14	2016-05-26	Glennon C. Sontag	Grinder
WO2018224118A1 (fr) *	2017-06-04	2018-12-13	TARTECH eco industries AG	Dispositif pour la séparation de conglomérats composés de matériaux de densités différentes

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2019
- 2019-08-21 DE DE102019005890.9A patent/DE102019005890A1/de active Pending
2020
- 2020-08-14 EP EP20000284.8A patent/EP3789118B1/fr active Active
- 2020-08-21 US US16/999,103 patent/US11697120B2/en active Active

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US20090159732A1 (en) *	2005-12-08	2009-06-25	Swissrtec Gmbh	Rotor For An Impact Crusher
WO2007114444A1 (fr) *	2006-04-05	2007-10-11	Max Co., Ltd.	Dispositif d'elimination
WO2013167398A1 (fr) *	2012-05-08	2013-11-14	Pms Handelskontor Gmbh	Dispositif de fractionnement
US20160144371A1 (en) *	2014-02-14	2016-05-26	Glennon C. Sontag	Grinder
WO2018224118A1 (fr) *	2017-06-04	2018-12-13	TARTECH eco industries AG	Dispositif pour la séparation de conglomérats composés de matériaux de densités différentes

Also Published As

Publication number	Publication date
US20210053068A1 (en)	2021-02-25
US11697120B2 (en)	2023-07-11
EP3789118B1 (fr)	2025-05-28
EP3789118C0 (fr)	2025-05-28
DE102019005890A1 (de)	2021-02-25

Publication	Publication Date	Title
EP1536892B1 (fr)	2006-04-26	Dispositif de broyage
EP0376011B1 (fr)	1994-04-20	Enveloppe pour concasseur de ferrailles
EP0203272B1 (fr)	1989-11-08	Appareil broyeur comportant un rotor tournant
DE3643529C1 (de)	1988-03-17	Sortiereinrichtung im Gutauslass einer Zerkleinerungsmaschine fuer Schrott
DE202021100642U1 (de)	2022-05-11	Vorrichtung zum Zerkleinern und/oder Aufbereiten von Materialien und Verwendung einer solchen Vorrichtung
EP3791961B1 (fr)	2023-08-09	Broyeur à chocs destiné au concassage des solides
DE1782130B1 (de)	1971-11-25	Schleumuehle
EP3789118A1 (fr)	2021-03-10	Broyeur à chocs destiné au concassage des solides
DE1149229B (de)	1963-05-22	Vorrichtung zum Brechen fester Stoffe
DE102017103956A1 (de)	2018-08-30	Prallreaktor
DE19903526B4 (de)	2018-04-12	Separationseinrichtung für aus unterschiedlichen Stoffen zusammengesetzte Produkte
DE202016001917U1 (de)	2017-05-26	Zerkleinerungsmaschine
DE3905682C2 (fr)	1990-11-22
DE10016388C2 (de)	2003-04-10	Mahlvorrichtung und Verfahren zur Erzeugung von Feinstmehlpartikeln im Nanometerbereich
DE102023209331B3 (de)	2024-11-14	Vorrichtung zum Zerkleinern von metallischem Gut und Teilesatz
DE637713C (de)	1937-06-02	Schlaegermuehle
DE1141864B (de)	1962-12-27	Sichtmuehle
DE3013662A1 (de)	1981-10-15	Horizontal-prallmuehle
DE102007060072A1 (de)	2009-06-18	Wirbelstrommühle
CH665569A5 (de)	1988-05-31	Schlaegeraufhaengung von hammermuehlen.
DE20216056U1 (de)	2004-03-04	Vorrichtung zum Zerkleinern von Aufgabegut
DE19903525A1 (de)	2000-08-03	Zerlegungseinrichtung für Altgeräte
DE2808011C2 (fr)	1989-07-20
DE307979C (fr)
EP2155395B1 (fr)	2013-08-21	Broyeur à impacts

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