EP0876844B1 - Procédé et appareil pour le traitement de déchets - Google Patents

Procédé et appareil pour le traitement de déchets Download PDF

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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
Application number
EP98108158A
Other languages
German (de)
English (en)
Other versions
EP0876844A2 (fr
EP0876844A3 (fr
Inventor
Hans Dr.-Ing. Friedmann
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.)
Individual
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of EP0876844A2 publication Critical patent/EP0876844A2/fr
Publication of EP0876844A3 publication Critical patent/EP0876844A3/fr
Application granted granted Critical
Publication of EP0876844B1 publication Critical patent/EP0876844B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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)

Claims (11)

  1. Dispositif pour le traitement de déchets à portions organiques comprenant au moins un tambour de concassage pivotant qui dispose d'une élimination off lourde où le tambour de concassage (12)
    présente à son intérieur au moins un corps de broyage étant disposé de façon qu'il(s) est (sont) librement mobile(s),
    est formé de façon que le ou les corps de broyage est (sont) retenu(s) dans ce tambour de concassage (12) au moyen d'un dispositif de bornage (16),
    présente un anneau d'arrêt (18) qui retient des déchets non concassés dans ce tambour de concassage (12) jusqu' à ce qu'ils atteignent une certaine grosseur de particules préalablement déterminée correspondant audit anneau d'arrêt et
    présente au rayon d'une axe de rotation (36) deux orifices (32, 34) étant disposés l'un en face de l'autre,
    caracterisé en ce que
    le premier orifice (34) est formé de telle façon qu'il sert comme orifice d'aspiration des déchets à traiter et au même temps comme orifice de décharge des composants organiques concassés des déchets et le deuxième orifice (32) étant disposé en face du premier orifice est formé de telle façon qu' il sert comme orifice de décharge des composants inorganiques séparés des déchets où le premier orifice (34) présente un diamètre plus large que le deuxième orifice (32) et le transport des composants inorganiques concassés qui se sont déposés vers le deuxième orifice (32) s'ensuit au moyen d'une vis à extraction.
  2. Dispositif selon la revendication 1,
    caracterisé en ce que
    le corps de broyage consiste de pierre ou d' une bille de métal.
  3. Dispositif selon l'une des revendications précédentes,
    caracterisé en ce que
    le dispositif (10) comporte un dispositif de criblage gros (26) etant disposé derrière le tambour de concassage (12) qui sert à l'emmagasinage et au criblage des déchets organiques concassés.
  4. Dispositif selon la revendication 3,
    caractérisé en ce que
    le dispositif de criblage gros (26) présente une largeur de mailles de crible de 8 mm à 30 mm.
  5. Dispositif selon l'une des revendications précédentes,
    caracterisé en ce que
    le dispositif (10) comporte un dispositif de criblage fin (28) étant disposé devant ou derrière le dispositif de criblage gros (26).
  6. Dispositif selon la revendication 5,
    caracterisé en ce que
    le dispositif de criblage fin (28) présente une largeur de mailles de crible de 0,5 mm à 3 mm.
  7. Dispositif selon l'une des revendications 3 à 6,
    caracterisé en ce que
    le dispositif de criblage gros (26) et/ou le dispositif de criblage fin (28) sont des machines à cribler à ondulation linéaire.
  8. Procédé de traitement de déchets à portions organiques au moyen d'un dispositif selon la revendication 1,
    caracterisé en ce que
    ce procédé comprend les étapes suivantes:
    a) Introduction des déchets à traiter dans un tambour de concassage (12) à travers un premier orifice (34) et séparation des composants inorganiques et organiques des déchets où les composants inorganiques sont dégagés à travers un deuxième orifice (32) du tambour de concassage (12) disposé en face du premier orifice (34);
    b) Concassage des composants organiques des déchets jusqu' à l'atteinte d'une certaine grosseur de particules préalablement déterminée;
    c) Décharge de l'aqueuse suspension organique qui se produit du tambour de concassage (12) à travers le premier orifice (34) sur un crible gros (26);
    d) Criblage gros de la suspension organique et écartement des composants organiques non concassables;
    e) Décharge de la suspension organique qui se produit du crible gros (26) sur un crible fin (28);
    f) Criblage fin de la suspension organique et recyclage partiel d'eau pauvre en matières solides dans le tambour de concassage (12); et
    g) Décharge de la supension organique qui se produit en vue de l'ultérieur traitement biologique.
  9. Procédé selon la revendication 8,
    caracterisé en ce que
    le criblage fin de la suspension organique est effectué avant le criblage gros.
  10. Procédé selon la revendication 8 ou 9,
    caraeterisé en ce que
    l'on effectue un criblage gros et/ou un criblage fin à plusieures étapes.
  11. Procédé selon l'une quelconque des revendications 8 à 10,
    caracterisé en ce que
    des portions de sable des composants inorganiques écartés des déchets sont amenées à un lavage des sables.
EP98108158A 1997-05-06 1998-05-05 Procédé et appareil pour le traitement de déchets Expired - Lifetime EP0876844B1 (fr)

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 (fr) 1998-11-11
EP0876844A3 EP0876844A3 (fr) 1999-05-12
EP0876844B1 true EP0876844B1 (fr) 2003-01-02

Family

ID=7828797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98108158A Expired - Lifetime EP0876844B1 (fr) 1997-05-06 1998-05-05 Procédé et appareil pour le traitement de déchets

Country Status (4)

Country Link
EP (1) EP0876844B1 (fr)
AT (1) ATE230304T1 (fr)
DE (2) DE19719145C1 (fr)
ES (1) ES2190555T3 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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
ITMO20110056A1 (it) * 2011-03-14 2012-09-15 Sitec Castellarano S P A Procedimento per il trattamento di materiali di rifiuto
WO2012123807A1 (fr) * 2011-03-14 2012-09-20 Sitec Castellarano S.P.A. Procédé de gestion des déchets
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL51374C (fr) * 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
DE3905123A1 (de) * 1989-02-20 1990-08-23 Kloeckner Humboldt Deutz Ag Sichter zum sichten von koernigem 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

Also Published As

Publication number Publication date
EP0876844A2 (fr) 1998-11-11
EP0876844A3 (fr) 1999-05-12
DE59806782D1 (de) 2003-02-06
DE19719145C1 (de) 1998-12-17
ES2190555T3 (es) 2003-08-01
ATE230304T1 (de) 2003-01-15

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