WO1999017059A1 - Procede et dispositif de traitement des dechets - Google Patents

Procede et dispositif de traitement des dechets Download PDF

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Publication number
WO1999017059A1
WO1999017059A1 PCT/DE1998/002802 DE9802802W WO9917059A1 WO 1999017059 A1 WO1999017059 A1 WO 1999017059A1 DE 9802802 W DE9802802 W DE 9802802W WO 9917059 A1 WO9917059 A1 WO 9917059A1
Authority
WO
WIPO (PCT)
Prior art keywords
waste
bales
disposal system
waste disposal
packed
Prior art date
Application number
PCT/DE1998/002802
Other languages
German (de)
English (en)
Inventor
Diedrich Schmitz
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO1999017059A1 publication Critical patent/WO1999017059A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B1/00—Dumping solid waste
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09B—DISPOSAL OF SOLID WASTE
    • B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
    • B09B3/20—Agglomeration, binding or encapsulation of solid waste

Definitions

  • the invention relates to a method and a device for treating waste before thermal processing in a waste disposal plant, in particular in a smoldering-burning plant.
  • the essential components of the plant for thermal waste disposal using the smoldering-firing process include a smoldering device (smoldering drum, pyrolysis reactor, conversion drum) and a high-temperature combustion chamber.
  • a smoldering device smoldering drum, pyrolysis reactor, conversion drum
  • the smoldering device converts the waste fed in via a waste transport device into a smoldering or pyrolysis process that takes place in a stoichiometric manner into smoldering gas and pyrolysis residues (solid carbonaceous carbonized material).
  • the sulfur gas and the pyrolysis residue are fed to the burner of the high-temperature combustion chamber after suitable processing, in particular after sorting out recyclable fractions.
  • High-temperature combustion chamber creates molten slag, which is removed via a fume hood and which, after cooling, is in a glass-like form.
  • the resulting flue gas is fed to a comb as an outlet via a smoke gas line.
  • a waste heat steam generator as a cooling device
  • a dust filter system and a smoke gas cleaning system are installed.
  • a gas compressor in the flue gas line, which is arranged directly at the outlet of the flue gas cleaning system and can be designed as a draft fan.
  • the built-in gas compressor is used to maintain a vacuum, even if only slight, in the smoldering drum. This negative pressure prevents the smoldering gas from flowing through the ring seals
  • the energy of the waste heat steam generator can be fed to a steam power plant to generate electricity.
  • Waste of different types e.g. shredded household garbage, domestic garbage rather industrial waste and shredded bulky garbage, but also dewatered sludge, fed to the feed opening and thus to the smoldering drum.
  • the current concept in smoldering plants provides for the delivered waste to be stored in two bunkers prior to thermal treatment, in a deep bunker for coarse waste and in a deep bunker for fine waste.
  • the term “deep bunker” is understood to mean a warehouse whose base plate is somewhat lower than the surrounding ground. Such deep bunkers are very expensive to build.
  • this object is achieved in accordance with the invention in that the waste is comminuted in that at least some of the comminuted waste is pressed into bales is that the bales are packed, that the packaged Bal ⁇ be stored len, that the wrapped bale to be unpacked after some time, and in that the unpacked waste for thermal processing in the waste disposal system is provided.
  • This object is with respect to the means for erfmdungsgelois Be ⁇ treatment of waste direction achieved by a ⁇ A, which is characterized by a) a Zerklem mecanicsein ⁇ chtung for shredding the waste, b) a baler for pressing the crushed waste into bales and packaging the bale with a packaging sleeve, for example with a rope, tape, net or a film, c) a storage point for the packaged bale, d) an unpacking device for unpacking the packaged bale and e) means for feeding the unpacked bale for loading Opening of the waste disposal facility.
  • a particularly preferred development of the device is characterized in that the comminution device, the baling press and preferably also the unpacking device are arranged in a flat bunker.
  • a flat bunker is relatively inexpensive producible ⁇ bar. It may have a flat bottom plate whose surface is arranged approximately on Erdêthohe and through waste-transportation vehicles ⁇ easy to reach, and, preferably, side walls and comprise a DACn.
  • a device for treating waste with a flake bunker has a particular advantage: it requires no deep bunker for fine and / or coarse waste, so that the relatively high costs for these buildings are saved.
  • such a device for treating waste can cooperate with a waste disposal system which can comprise one or more strands (processing limits) for thermal processing, in particular one or more smoldering devices.
  • the very particularly preferred embodiments can be characterized briefly as follows: The delivered waste is first unloaded in a flat bunker, and from there it is sent for thermal processing. The part of the waste that cannot be thermally processed in a given period of time, that is, for example, that cannot be burned or carbonized in the next 24 or 48 hours, is pressed into bales. These bales are provided with a packaging envelope, for example wrapped with a film. The bales can then be stored in the flat bunker for a longer period, but preferably outdoors. They can then be sent to thermal processing at a non-delivery time, for example at the weekend. Elaborate deep bunkers are not required for the storage and treatment of the waste before thermal processing.
  • FIG. 1 shows in supervision a device for treating waste with a flat bunker, disposal facility with a single processing line
  • FIG. 2 shows a device for treating waste in supervision, which is used in connection with a waste disposal system with two processing lines,
  • FIG. 3 shows a somewhat different embodiment of a device for treating waste under supervision
  • FIG. 5 shows the device of FIG. 3 in connection with a waste disposal system in a second side view.
  • FIG. 1 shows schematically a device 2 for treating waste A before thermal treatment in a waste disposal system 4.
  • This waste disposal system 4 can specifically be a smoldering and burning system of the type known from EP-A-0 302 310.
  • the treatment of waste A takes place in a rectangular flat bunker 6, which comprises a flat concrete base plate 8, approximately at ground level, two longitudinal walls 10 and two transverse walls 12.
  • the transverse walls 12 have mutually opposite gates 14 for the passage of waste vehicles (not shown).
  • the longitudinal walls 10 can have a length of e.g. 40 m and the cross wall 12 can have a length of e.g. 35 m.
  • a roof (not shown) can preferably be provided for the flat bunker 6.
  • the delivered waste A here does not become longer than a predetermined period of time, for example not longer than 24 Stored for hours.
  • a wheel loader 20 is provided for transporting the waste A within the flat plate 6.
  • a waste crushing device 22 m in the form of a shredder is located approximately in the center of the base plate 8, that is to say close to the waste disposal facility 4. It serves to crush the waste A delivered by the wheel loader 20. Furthermore, there is a transport device or device 24 for supplying waste, e.g. a conveyor belt. This device 24 is provided with a deflection device 26 for deflecting the comminuted waste A. This function is indicated by a double arrow. There is also a baler 28 for pressing the shredded waste A into bales and for packing the bales with a packaging sleeve, e.g. with a rope, ribbon, net and / or a foil.
  • a packaging sleeve e.g. with a rope, ribbon, net and / or a foil.
  • the shredded waste A which has been fed in can optionally be placed in the baler 28 or in a container 30.
  • this container 30 is ei ⁇ nen Sammelbehalter for further transport device 32, such as a conveyor belt, such as a steel plate belt or before ⁇ Trains t a scrim incline elevator.
  • This transport device 32 leads to a feed hopper 34, which is arranged at a certain height (eg 13 m) above the base plate 8. From here, the feed opening 3 ⁇ (see also FIG. 5) of the waste disposal system 4 is supplied with comminuted waste A.
  • This feed opening 36 is located on a chute 38, which leads to a schematically indicated screw conveyor 40 in front of the pyrolysis or smoldering device 42.
  • a conveyor belt 44 for the packed and thus finished bales B is arranged at the outlet of the baler 28.
  • These bales B can be picked up on the ground with a gripping vehicle 46, that is to say with a vehicle with a bale gripper. plate 8 and possibly also via one of the gates 14 from ⁇ em flat bunker 6 to be transported.
  • a storage point 48 for the packed bales B in a further corner there is a storage point 48 for the packed bales B in a further corner. Intermediate storage for the delivery-free time, e.g. for the weekend or for public holidays.
  • a corresponding storage location 50 for the storage of bales B in the delivery-free time is also outside of the flat bunker 6 on the transverse wall 12 outdoors.
  • the storage location 50 can also be located at a more distant landfill, that is to say not in the immediate vicinity of the waste disposal facility 4.
  • an unpacking device 52 for unpacking the packed bales B, e.g. a bale ripper provided.
  • This unpacking device 52 is followed by means for feeding the unpacked bales to the opening 36 of the waste disposal system 4.
  • These means include a further conveyor belt 54, which leads to the container 30, the transport device 32, which is designed in particular as a garbage inclined elevator, and the feed bunker 34, which is connected to the fall night 38 and thus to the loading opening 36 of the waste disposal system 4 m.
  • the wheel loader 20 is used for the transport of the case A in the flat bunker 6 and the gripping vehicle 46 is used for the transport of the finished bales B.
  • the waste A is tipped over by the falling vehicles on the base plate 8 at the storage locations 16, 18 and pushed together there by the wheel loader 20 to a height of, for example, 2 m.
  • the two bearing surfaces 16, 18 can be covered with waste A from different points of view.
  • the waste A is then crushed by the wheel loader 20 within the predetermined period of time. device 22 abandoned. From there it is fed to the container 30 via the transport device 24 and the deflection device 26, which then has the different position than shown in FIG. 1.
  • the waste A reaches the waste disposal facility 4 from the container 30.
  • the container 30 is preferably the feed container for a waste inclined elevator 32. When the container 30 is full, it would be pulled up on an inclined rail to the feed bunker 34 in front of the pyrolysis device 42 and emptied there.
  • garbage A is picked up. For this e.g. not all of the waste A that is delivered in one day is thermally processed. This waste A is fed from the crushing device 22 via the transport device 24 to the baler 28. It leaves the baler 28 in the form of storable bales B.
  • waste supply to the pyrolysis device 42 and to the baler 28 can be carried out alternately. It is then only necessary to turn the deflection device 26 on the transport device 24 between the shredding device 22 and the baler 28. In this way, waste A can be reset at any time during the day for the weekend or for holidays via the baler 28.
  • the balls B are transported in from the storage locations 48, 50, and the waste A is transferred from the bales B via the bale ripper 52 and the transport device 54 m to the container 30 of the waste scraper elevator 32 given.
  • the bale ripper 52 cuts the packaging open with knives so that waste is released. The waste no longer needs to be shredded via the shredding device 22. So is ensures a continuous operation of the waste disposal facility 4.
  • waste A can still be accepted. It is shredded, packed and then stored either on its own premises or at a remote landfill. This shows that the concept presented here is very flexible.
  • a waste disposal system 4 which is equipped with two lines P, Q and thus two pyrolysis or smoldering devices 42P, 42Q, is equipped according to FIG. 2 with two waste crushing devices 22P, 22Q, in particular shredders.
  • a single baler 28Q with a downstream conveyor belt 44Q is sufficient for the finished bales B.
  • a separate ripper 52P, 52Q with a connected conveyor belt 54P or 54Q is provided for each line P, Q.
  • the reference numerals of the components correspond to those of Figure 1; they are only supplemented by the symbol for the associated line P or Q.
  • FIGS. 3 to 5 show a somewhat modified embodiment of a device 2 for treating waste A.
  • the device 2 again comprises a waste shredding device 22 and a baler 28, which are arranged opposite one another on the base plate 8 of a flat bunker 6. Between them there is a device 24 for supplying waste, which in turn is provided with a deflection device 26.
  • This Umlenkem ⁇ ch- tung 26 is used here again to selectively drop the A to the baler 28 for passing or processing of the Einrich ⁇ to guide 22 via a chute 56 into a container 30th
  • This container 30 works together with a transport device 32, in particular in the form of a waste inclined elevator. It is clear from FIG.
  • An unpacking device 52 is also shown in FIGS. 3 and 4. This is preferably designed as a bale ripper. It is provided with a conveyor belt and a chute 54. The bale ripper can be arranged, for example, at a height of 3 m above the base plate 8.
  • the chute 56 serves to transport the waste A from the unpacking device 52 to the transport device 32, which, as already explained, is preferably designed as an inclined elevator.
  • the packaged bales B are transported by means of a vehicle 46 to a storage location 48 or 50, which is either close to the waste disposal facility 4 or away from it. Due to the packaging, odorless storage outdoors is possible.

Abstract

Les déchets (A) sont déchargés avant traitement thermique dans une trémie plate (6). La partie de déchets dans la la trémie (A) qui ne peut être soumise à un traitement thermique dans un délai préétabli, par exemple 24 heures, est pressée et empaquetée, éventuellement avec une enveloppe plastique, à l'aide d'une presse (28) à mettre en balles (B). Les balles (B) ainsi empaquetées peuvent aussi être stockées plus longtemps dans un lieu (48, 50) prévu à cet effet, par exemple en plein air. Ils seront acheminés ultérieurement vers le traitement thermique, en particulier pendant le week-end, où il n'y a pas d'arrivage, ou le vendredi. Ce stockage temporaire permet une manutention flexible des balles de déchets (B) empaquetées.
PCT/DE1998/002802 1997-09-30 1998-09-21 Procede et dispositif de traitement des dechets WO1999017059A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19743334.0 1997-09-30
DE19743334A DE19743334A1 (de) 1997-09-30 1997-09-30 Verfahren und Einrichtung zur Behandlung von Abfall

Publications (1)

Publication Number Publication Date
WO1999017059A1 true WO1999017059A1 (fr) 1999-04-08

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Application Number Title Priority Date Filing Date
PCT/DE1998/002802 WO1999017059A1 (fr) 1997-09-30 1998-09-21 Procede et dispositif de traitement des dechets

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DE (1) DE19743334A1 (fr)
WO (1) WO1999017059A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0118310A2 (fr) * 1983-03-07 1984-09-12 Earl W. Hall Installation et procédé pour le traitement des déchets solides
EP0302310A1 (fr) 1987-08-03 1989-02-08 Siemens Aktiengesellschaft Procédé et dispositif pour l'élimination thermique de déchets
DE3830153A1 (de) 1988-09-05 1990-03-15 Siemens Ag Pyrolysereaktor mit indirekter und direkter beheizung
DE29606272U1 (de) * 1996-04-04 1996-07-04 Doppstadt Werner Anlage zur Müllverdichtung
EP0787948A1 (fr) * 1996-01-31 1997-08-06 Esys-Montenay Installation de traitement de déchets tels que déchets urbains ou ordures ménagères
DE19613578A1 (de) * 1996-04-04 1997-10-09 Werner Doppstadt Verfahren und Vorrichtung zum Umhüllen von Preßballen mit einer Folie

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1920239A1 (de) * 1969-04-22 1970-11-19 Eberhard Faber Inc Markier- und vorfuehrbares Schichtstoff-Foliengebilde
DE3023420A1 (de) * 1980-06-23 1982-01-14 Josef 8399 Ruhstorf Probsteder Ofen fuer abfallbrennstoffe
DE3616947A1 (de) * 1986-05-20 1987-11-26 Organ Faser Technology Co Verfahren zum herstellen von presslingen aus feuchtem abfall und vorrichtung zur durchfuehrung des verfahrens
AT397571B (de) * 1988-05-02 1994-05-25 Schindler Ing Hans Müllverbrennungsanlage
DE4130416C1 (fr) * 1991-09-10 1992-12-10 Thermoselect Ag, Vaduz, Li
JPH05264019A (ja) * 1992-03-19 1993-10-12 Takahashi Netsuriyuutai Res:Yugen 有機可燃物の乾留焼却方法ならびにそれに用いる乾留焼却炉および乾留液貯留槽
EP0667489A3 (fr) * 1994-02-09 1996-04-24 Entsorgung Dortmund Gmbh Procédé et dispositif pour le traitement de déchets avant leur incinération.

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0118310A2 (fr) * 1983-03-07 1984-09-12 Earl W. Hall Installation et procédé pour le traitement des déchets solides
EP0302310A1 (fr) 1987-08-03 1989-02-08 Siemens Aktiengesellschaft Procédé et dispositif pour l'élimination thermique de déchets
DE3830153A1 (de) 1988-09-05 1990-03-15 Siemens Ag Pyrolysereaktor mit indirekter und direkter beheizung
EP0787948A1 (fr) * 1996-01-31 1997-08-06 Esys-Montenay Installation de traitement de déchets tels que déchets urbains ou ordures ménagères
DE29606272U1 (de) * 1996-04-04 1996-07-04 Doppstadt Werner Anlage zur Müllverdichtung
DE19613578A1 (de) * 1996-04-04 1997-10-09 Werner Doppstadt Verfahren und Vorrichtung zum Umhüllen von Preßballen mit einer Folie

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