EP0876844A2 - Vorrichtung und Verfahren zur Aufbereitung von Abfällen - Google Patents
Vorrichtung und Verfahren zur Aufbereitung von Abfällen Download PDFInfo
- Publication number
- EP0876844A2 EP0876844A2 EP98108158A EP98108158A EP0876844A2 EP 0876844 A2 EP0876844 A2 EP 0876844A2 EP 98108158 A EP98108158 A EP 98108158A EP 98108158 A EP98108158 A EP 98108158A EP 0876844 A2 EP0876844 A2 EP 0876844A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- waste
- organic
- drum
- coarse
- screening
- 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.)
- Granted
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 an apparatus and a method for the treatment of waste, especially waste with organic components, with at least one rotatable shredding drum with heavy material discharge.
- the object of the present invention is therefore a device and a method for processing waste from the beginning to provide the type mentioned, which is a fully automatic and continuous treatment of waste when in use Guaranteed cheaper equipment and less energy consumption.
- a device for processing waste has at least one shredding drum inside a freely movable grinding media, the or the grinding media by means of a separating device in the comminution drum is held back. Also points the shredding drum has a retaining ring, the unreduced Waste until reaching a corresponding predetermined Retains particle size in the comminution drum.
- Design of the shredding drum ensures that a fully automatic and continuous preparation of the Waste is possible. Energy consumption is also essential less than in known devices. Since the invention Device can be operated continuously, too very high throughputs can be achieved.
- the device according to the invention shows the shredding drum in the area of its axis of rotation two opposite openings, the first Opening for the entry of the waste to be treated and for discharge of the crushed organic components of the waste and the second opening for the discharge of the separated inorganic constituents of waste.
- 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 sieve 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.
- the process according to the invention for the treatment of waste is made 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.
- 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, the resulting low solids water partially returned to the shredding drum.
- one last process step is the resulting organic Suspended suspension of further biological treatment.
- the fine screening of the organic suspension before Coarse screening carried out is the fine screening of the organic suspension before Coarse screening carried out.
- the coarse and / or Fine screening can be designed in several stages.
- the figure shows a device 10 for processing waste, especially waste with organic components.
- 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 movable grinding element (not shown).
- the grinding media are made 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, the waste to be processed is disposed of inside 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 of 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 Sieve mesh width of 8 - 30 mm. Those remaining on the coarse screen 26 coarser organic components are removed and further recycling or disposal. Here 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. A part of the low-residue water can over 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 be.
- 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 can e.g. via a so-called Screw discharge (not shown) take place.
- 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)
Abstract
Description
Claims (12)
- Vorrichtung zur Aufbereitung von Abfällen, insbesondere Abfälle mit organischen Anteilen, mit mindestens einer drehbaren Zerkleinerungstrommel mit Schwerstoffausschleusung,
dadurch gekennzeichnet,
daß die Zerkleinerungstrommel (12) in ihrem Inneren mindestens einen frei beweglich angeordneten Mahlkörper aufweist, wobei 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. - 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 Zerkleinerungstrommel (12) im Bereich ihrer Drehachse (36) zwei sich gegenüberliegende Öffnungen (32, 34) aufweist, wobei die erste Öffnung (34) zum Eintrag der aufzubereitenden Abfälle und zum Austrag der zerkleinerten organischen Bestandteile des Abfalls und die zweite Öffnung (32) zum Austrag der abgetrennten anorganischen Bestandteile des Abfalls dient. - 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 4,
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 Vorichtung (10) eine der Grobsiebvorrichtung (26) vor- oder nachgeschaltete Feinsiebvorrichtung (28) aufweist. - Vorrichtung nach Anspruch 6,
dadurch gekennzeichnet,
daß die Feinsiebvorrichtung (28) eine Siebmaschenweite von 0,5 mm bis 3 mm aufweist. - Vorrichtung nach einem der Ansprüche 4 bis 7,
dadurch gekennzeichnet,
daß die Grobsieb- und/oder Feinsiebvorrichtung (26, 28) eine Spannwellensiebmaschine ist. - Verfahren zur Aufbereitung von Abfällen unter Verwendung einer Vorrichtung gemäß Anspruch 1,
dadurch gekennzeichnet,
daß das Verfahren folgende Schritte umfaßt:a) Einbringen von aufzubereitenden Abfällen in eine Zerkleinerungstrommel (12) und Trennung der anorganischen und organischen Bestandteile des Abfalls, wobei die anorganischen Bestandteile über eine zweite Öffnung (32) der Zerkleinerungstrommel (12) abgeführt werden;b) Zerkleinerung der organischen Bestandteile des Abfalls bis zu einer vorbestimmten Teilchengröße;c) Austrag der entstehenden organischen, wässrigen Suspension aus der Zerkleinerungstrommel (12) 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 9,
dadurch gekennzeichnet,
daß die Feinsiebung der organischen Suspension vor der Grobsiebung durchgeführt wird. - Verfahren nach Anspruch 9 oder 10,
dadurch gekennzeichnet,
daß eine mehrstufige Grob- und/oder Feinsiebung durchgeführt wird. - Verfahren nach einem der Ansprüche 9 bis 11,
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 |
---|---|---|---|
DE19719145 | 1997-05-06 | ||
DE19719145A DE19719145C1 (de) | 1997-05-06 | 1997-05-06 | Vorrichtung und Verfahren zur Aufbereitung von Abfällen |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0876844A2 true EP0876844A2 (de) | 1998-11-11 |
EP0876844A3 EP0876844A3 (de) | 1999-05-12 |
EP0876844B1 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) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMO20110056A1 (it) * | 2011-03-14 | 2012-09-15 | Sitec Castellarano S P A | Procedimento per il trattamento di materiali di rifiuto |
WO2012123807A1 (en) * | 2011-03-14 | 2012-09-20 | Sitec Castellarano S.P.A. | Process for handling waste material |
CN103285976A (zh) * | 2013-06-04 | 2013-09-11 | 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 |
Families Citing this family (1)
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 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR826816A (fr) * | 1936-09-16 | 1938-04-11 | Procédé et appareils pour le traitement d'ordures ménagères et déchets analogues | |
DE2254844A1 (de) * | 1972-11-09 | 1974-05-22 | Loesche Kg | Verfahren und einrichtung zur aufbereitung von muell |
EP0302551A2 (de) * | 1987-08-07 | 1989-02-08 | SNAMPROGETTI S.p.A. | Verfahren und Vorrichtung zum Behandeln von festen Stadtabfällen |
DE3803298A1 (de) * | 1988-02-04 | 1989-08-17 | Gav Ges Fuer Anaerobe Verfahre | Vorrichtung zum zerkleinern und fraktionieren von vorsortiertem, organischem nassmuell |
US5322792A (en) * | 1991-04-18 | 1994-06-21 | Tucker Hughes, Inc. | Process and machines for transforming household waste |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
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 ES ES98108158T patent/ES2190555T3/es not_active Expired - Lifetime
- 1998-05-05 DE DE59806782T patent/DE59806782D1/de not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR826816A (fr) * | 1936-09-16 | 1938-04-11 | Procédé et appareils pour le traitement d'ordures ménagères et déchets analogues | |
DE2254844A1 (de) * | 1972-11-09 | 1974-05-22 | Loesche Kg | Verfahren und einrichtung zur aufbereitung von muell |
EP0302551A2 (de) * | 1987-08-07 | 1989-02-08 | SNAMPROGETTI S.p.A. | Verfahren und Vorrichtung zum Behandeln von festen Stadtabfällen |
DE3803298A1 (de) * | 1988-02-04 | 1989-08-17 | Gav Ges Fuer Anaerobe Verfahre | Vorrichtung zum zerkleinern und fraktionieren von vorsortiertem, organischem nassmuell |
US5322792A (en) * | 1991-04-18 | 1994-06-21 | Tucker Hughes, Inc. | Process and machines for transforming household waste |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITMO20110056A1 (it) * | 2011-03-14 | 2012-09-15 | Sitec Castellarano S P A | Procedimento per il trattamento di materiali di rifiuto |
WO2012123807A1 (en) * | 2011-03-14 | 2012-09-20 | Sitec Castellarano S.P.A. | Process for handling waste material |
CN103285976A (zh) * | 2013-06-04 | 2013-09-11 | 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 |
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 |
Also Published As
Publication number | Publication date |
---|---|
DE19719145C1 (de) | 1998-12-17 |
ES2190555T3 (es) | 2003-08-01 |
DE59806782D1 (de) | 2003-02-06 |
EP0876844B1 (de) | 2003-01-02 |
EP0876844A3 (de) | 1999-05-12 |
ATE230304T1 (de) | 2003-01-15 |
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