EP0876844B1 - Vorrichtung und Verfahren zur Aufbereitung von Abfällen - Google Patents
Vorrichtung und Verfahren zur Aufbereitung von Abfällen Download PDFInfo
- Publication number
- EP0876844B1 EP0876844B1 EP98108158A EP98108158A EP0876844B1 EP 0876844 B1 EP0876844 B1 EP 0876844B1 EP 98108158 A EP98108158 A EP 98108158A EP 98108158 A EP98108158 A EP 98108158A EP 0876844 B1 EP0876844 B1 EP 0876844B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- waste
- opening
- drum
- organic
- coarse
- 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
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
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
- B02C17/1855—Discharging devices combined with sorting or separating of material with separator defining termination of crushing zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/007—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls specially adapted for disintegrating refuse
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/04—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
- B02C17/18—Details
- B02C17/183—Feeding or discharging devices
- B02C17/1835—Discharging devices combined with sorting or separating of material
- B02C17/185—Discharging devices combined with sorting or separating of material with more than one separator
Definitions
- the present invention relates to a device and a Process for the treatment of waste with organic Proportions, with at least one rotating crushing drum with heavy material discharge, the crushing drum at least one freely movable inside Has grinding media and the grinding media or media by means of a Separating device retained in the comminution drum will and will and the shredding drum one Retaining ring, the uncrushed waste up to Reaching a corresponding, predetermined particle size in the shredding drum holds back and in the area of an axis of rotation has two opposing openings.
- EP-A-0 302 551 describes an apparatus and a Waste treatment and treatment processes. Doing so the waste is shredded with the help of a shredding device, the finely ground ingredients separated from the coarser components that are difficult or difficult to grind be separated. The finely ground fraction contains organic and inorganic components. Also in US-A-5 322 792 Processing device for waste described does not allow simple, fast and complete separation from inorganic and organic components of the to be processed Waste.
- the object of the present invention is therefore a device and a method for processing waste organic components of the type mentioned at the beginning provide which is a fully automated and continuous Treatment of waste when using cheaper Apparatus and less energy consumption with simultaneous separation guaranteed of organic and inorganic components.
- a shredding drum has waste in the area of their Axis of rotation on two opposite openings, the first opening for the entry of the waste to be treated and for Discharge of shredded organic components of the waste and the second opening for discharging the separated inorganic constituents of the waste, the first Opening has a larger diameter than the second Opening and transportation of the sunken crushed inorganic components for the second opening by means of a Screw discharge takes place.
- the device has one of the comminution drums downstream coarse screening device for picking up and screening the crushed organic waste.
- This coarse screening device a fine screen device can be connected upstream or downstream. This ensures that possible through the crushing drum sieved residual impurities not separated be, so that for the subsequent biodegradation predominantly pure organic suspension is available. additionally can be a part of the low solids separated by the sieving Water into the crushing drum for adjustment a predetermined and advantageous solids content and the Viscosity of the waste returned in the shredding drum become. This ensures an environmentally friendly and resource-saving Processing waste.
- the process according to the invention for the treatment of waste is using the previously described invention Device operated.
- a first process step the waste to be processed in the shredding drum introduced, the separation of the inorganic and organic components of the waste takes place.
- the inorganic Ingredients are opened through a second opening of the shredding drum dissipated.
- the one in the shredding drum remaining organic components of the waste are in a second process step up to a predetermined particle size crushed.
- This creates an organic, watery one Suspension coming from the crushing drum onto a coarse screen is carried out. In doing so, non-crushable organic Components separated.
- the resulting organic suspension is removed from the coarse screen in a further process step a fine sieve is discharged. After another fine screening of the organic suspension becomes the low-solids water obtained partially returned to the shredding drum.
- one last step is the resulting organic Suspended suspension of further biological treatment.
- the fine screening of the organic suspension before Coarse screening carried out can be designed in several stages.
- the figure shows a device 10 for processing waste, especially organic waste.
- the device 10 includes a rotatable shredding drum 12 Heavy material discharge, a coarse screening device 26 and one Fine screening device 28.
- the comminution drum 12 has in inside of it at least one freely moving grinding element (not shown).
- the or the grinding media exist usually made of stone or metal balls.
- the or the Grinding bodies are in the comminution drum by means of a separating device 16 12 withheld. Via a waste entry chute 14 is the waste to be processed into the interior of the Crushing drum 12 transferred.
- the comminution drum 12 also has a retaining ring 18 on the uncrushed waste until a corresponding, predetermined particle size in the comminution drum 12 holds back. Furthermore, the comminution drum 12 in the region of its axis of rotation 36 two opposing openings 32, 34 on.
- the first opening 34 is used for entry of the waste to be processed via the waste entry chute 14 and for the discharge of the crushed organic components of the Descent via a second discharge chute 24.
- the second opening 32 is used to discharge the separated inorganic constituents waste via a first discharge chute 20.
- the separated ones inorganic components, especially the sand content of the Waste are fed to a sand wash (not shown).
- the coarse screening device downstream of the comminution drum 12 26 takes the discharged from the crushing drum 12 crushed organic waste and carries out screening this through.
- the coarse screening device 26 has one Mesh size of 8 - 30 mm. Those remaining on the coarse screen 26 coarser organic components are removed and further recycling or disposal. in this connection it is in particular parts made of wood, leather or Plastic.
- the device 10 also has one of the coarse screening device 26 downstream fine screening device 28.
- the one in the coarse screening device 26 already roughly sieved organic suspension is fed to the fine screen device 28.
- the fine screening device 28 has a mesh size of 0.5 mm to 3 mm on. Part of the low-residue water can be discharged through one of the Fine screening device 28 leading to the comminution drum 12 Water return device 30 into the comminution drum 12 be returned.
- Both the coarse sieve and the fine sieve device 26, 28 can be designed as a tension shaft screening machine his.
- the waste to be processed in the shredding drum 12 introduced.
- the separation of inorganic takes place and organic components of the waste.
- the organic components swim in the upper area of the aqueous suspension forming in the comminution drum 12.
- the inorganic parts sink and become Opening 32 transported. This is done using a so-called Screw discharge (not shown).
- the organic Ingredients become up to a predetermined particle size crushed and then transferred to the coarse screen 26 as above already described. After another, finer screening the resulting organic suspension of the other biological Treatment e.g. fed in fermentation towers.
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Processing Of Solid Wastes (AREA)
- Crushing And Grinding (AREA)
- Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
- Crushing And Pulverization Processes (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Description
Claims (11)
- Vorrichtung zur Aufbereitung von Abfällen mit organischen Anteilen, mit mindestens einer drehbaren Zerkleinerungstrommel mit Schwerstoffausschleusung, wobei die Zerlcleinerungstrommel (12) in ihrem Inneren mindestens einen frei beweglich angeordneten Mahlkörper aufweist und der oder die Mahlkörper mittels einer Trennvorrichtung (16) in der Zerkleinerungstrommel (12) zurückgehalten wird bzw. werden und die Zerkleinerungstrommel (12) einen Rückhaltering (18) aufweist, der unzerkleinerte Abfälle bis zum Erreichen einer entsprechenden, vorbestimmten Teilchengröße in der Zerkleinerungstrommel (12) zurückhält und im Bereich einer Drehachse (36) zwei sich gegenüberliegende Öffnungen (32, 34) aufweist,
dadurch gekennzeichnet, daß die erste Öffnung (34) zum Eintrag der aufzubereitenden Abfälle und zum Austrag der zerkleinerten organischen Bestandteile des Abfalls und die zweite, gegenüberliegende Öffnung (32) zum Austrag von abgetrennten anorganischen Bestandteilen des Abfalls ausgebildet ist, wobei die erste Öffnung (34) einen größeren Durchmesser aufweist als die zweite Öffnung (32) und der Transport der abgesunkenen zerkleinerten anorganischen Bestandteile zur zweiten Öffnung (32) mittels eines Schneckenaustrags erfolgt. - Vorrichtung nach Anspruch 1,
dadurch gekennzeichnet, daß der Mahlkörper aus Stein oder einer Metallkugel besteht. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Vorrichtung (10) eine der Zerkleinerungstrommel (12) nachgeschaltete Grobsiebvorrichtung (26) zur Aufnahme und Siebung der zerkleinerten organischen Abfälle aufweist. - Vorrichtung nach Anspruch 3,
dadurch gekennzeichnet, daß die Grobsiebvorrichtung (26) eine Siebmaschenweite von 8 mm bis 30 mm aufweist. - Vorrichtung nach einem der vorhergehenden Ansprüche,
dadurch gekennzeichnet, daß die Vorrichtung (10) eine der Grobsiebvorrichtung (26) vor- oder nachgeschaltete Feinsiebvorrichtung (28) aufweist. - Vorrichtung nach Anspruch 5,
dadurch gekennzeichnet, daß die Feinsiebvorrichtung (28) eine Siebmaschenweite von 0,5 mm bis 3 mm aufweist. - Vorrichtung nach einem der Ansprüche 3 bis 6,
dadurch gekennzeichnet, daß die Grobsieb- und/oder Feinsiebvorrichtung (26, 28) eine Spannwellensiebmaschine ist. - Verfahren zur Aufbereitung von Abfällen mit organischen Anteilen unter Verwendung einer Vorrichtung gemäß Anspruch 1,
dadurch gekennzeichnet, daß das Verfahren folgende Schritte umfasst:a) Einbringen von aufzubereitenden Abfällen in eine Zerkleinerungstrommel (12) über eine erste Öffnung (34) und Trennung von anorganischen und organischen Bestandteilen des Abfalls, wobei die anorganischen Bestandteile über eine zweite, der ersten Öffnung (34) gegenüberliegenden Öffnung (32) der Zerkleinerungstrommel (12) abgeführt werden;b) Zerkleinerung der organischen Bestandteile des Abfalls bis zu einer vorbestimmten Teilchengröße;c) Austrag einer entstehenden organischen, wässrigen Suspension aus der Zerkleinerungstrommel (12) über die erste Öffnung (34) auf ein Grobsieb (26);d) Grobsiebung der organischen Suspension und Abtrennung nicht zerkleinerbarer organischer Bestandteile;e) Austrag der entstehenden organischen Suspension aus dem Grobsieb (26) auf ein Feinsieb (28);f) Feinsiebung der organischen Suspension und teilweise Rückführung von feststoffarmem Wasser in die Zerkleinerungstrommel (12); undg) Austrag der entstehenden organischen Suspension zur weiteren biologischen Behandlung. - Verfahren nach Anspruch 8,
dadurch gekennzeichnet, daß die Feinsiebung der organischen Suspension vor der Grobsiebung durchgeführt wird. - Verfahren nach Anspruch 8 oder 9,
dadurch gekennzeichnet, daß eine mehrstufige Grob- und/oder Feinsiebung durchgeführt wird. - Verfahren nach einem der Ansprüche 8 bis 10,
dadurch gekennzeichnet, daß Sandanteile der abgetrennten anorganischen Bestandteile des Abfalls einer Sandwäsche zugeführt werden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19719145A DE19719145C1 (de) | 1997-05-06 | 1997-05-06 | Vorrichtung und Verfahren zur Aufbereitung von Abfällen |
DE19719145 | 1997-05-06 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0876844A2 EP0876844A2 (de) | 1998-11-11 |
EP0876844A3 EP0876844A3 (de) | 1999-05-12 |
EP0876844B1 true EP0876844B1 (de) | 2003-01-02 |
Family
ID=7828797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98108158A Expired - Lifetime EP0876844B1 (de) | 1997-05-06 | 1998-05-05 | Vorrichtung und Verfahren zur Aufbereitung von Abfällen |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0876844B1 (de) |
AT (1) | ATE230304T1 (de) |
DE (2) | DE19719145C1 (de) |
ES (1) | ES2190555T3 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19907908C2 (de) * | 1999-02-24 | 2001-05-17 | Schwabacher Abfallwirtschafts | Verfahren zur Aufbereitung von Bioabfall in Stofflösern mit kontinuierlichem Mülleintrag auf Bioabfallvergärungsanlagen |
EP2686118A1 (de) * | 2011-03-14 | 2014-01-22 | Sitec Castellarano S.p.A. | Verfahren zur handhabung von abfallmaterial |
ITMO20110056A1 (it) * | 2011-03-14 | 2012-09-15 | Sitec Castellarano S P A | Procedimento per il trattamento di materiali di rifiuto |
CN103285976B (zh) * | 2013-06-04 | 2016-05-18 | 江西稀有金属钨业控股集团有限公司 | 一种磨机出口除碎钢球装置及过滤碎钢球的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL51374C (de) * | 1936-09-16 | 1900-01-01 | ||
DE2254844A1 (de) * | 1972-11-09 | 1974-05-22 | Loesche Kg | Verfahren und einrichtung zur aufbereitung von muell |
IT1228926B (it) * | 1987-08-07 | 1991-07-10 | Snam Progetti | Procedimento e apparecchiatura per il trattamento di rifiuti solidi urbani |
DE3803298A1 (de) * | 1988-02-04 | 1989-08-17 | Gav Ges Fuer Anaerobe Verfahre | Vorrichtung zum zerkleinern und fraktionieren von vorsortiertem, organischem nassmuell |
DE8916267U1 (de) * | 1989-02-20 | 1996-08-08 | Klöckner-Humboldt-Deutz AG, 51063 Köln | Sichter zum Sichten von körnigem Gut und Mahlanlage mit Einschaltung eines solchen Sichters |
US5322792A (en) * | 1991-04-18 | 1994-06-21 | Tucker Hughes, Inc. | Process and machines for transforming household waste |
-
1997
- 1997-05-06 DE DE19719145A patent/DE19719145C1/de not_active Expired - Fee Related
-
1998
- 1998-05-05 AT AT98108158T patent/ATE230304T1/de not_active IP Right Cessation
- 1998-05-05 EP EP98108158A patent/EP0876844B1/de not_active Expired - Lifetime
- 1998-05-05 DE DE59806782T patent/DE59806782D1/de not_active Expired - Fee Related
- 1998-05-05 ES ES98108158T patent/ES2190555T3/es not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0876844A3 (de) | 1999-05-12 |
DE19719145C1 (de) | 1998-12-17 |
EP0876844A2 (de) | 1998-11-11 |
ES2190555T3 (es) | 2003-08-01 |
ATE230304T1 (de) | 2003-01-15 |
DE59806782D1 (de) | 2003-02-06 |
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