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EP2818250B1 - Procédé de préparation de cendres d'incinération de déchets - Google Patents

Procédé de préparation de cendres d'incinération de déchets Download PDF

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Publication number
EP2818250B1
EP2818250B1 EP14168812.7A EP14168812A EP2818250B1 EP 2818250 B1 EP2818250 B1 EP 2818250B1 EP 14168812 A EP14168812 A EP 14168812A EP 2818250 B1 EP2818250 B1 EP 2818250B1
Authority
EP
European Patent Office
Prior art keywords
separated
floating
fraction
heavy
waste incineration
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.)
Active
Application number
EP14168812.7A
Other languages
German (de)
English (en)
Other versions
EP2818250A1 (fr
Inventor
Gerhard Stockinger
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.)
NUA Abfallwirtschaft GmbH
Original Assignee
NUA Abfallwirtschaft 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.)
Filing date
Publication date
Application filed by NUA Abfallwirtschaft GmbH filed Critical NUA Abfallwirtschaft GmbH
Priority to RS20200142A priority Critical patent/RS59887B1/sr
Priority to SI201431475T priority patent/SI2818250T1/sl
Priority to PL14168812T priority patent/PL2818250T3/pl
Publication of EP2818250A1 publication Critical patent/EP2818250A1/fr
Application granted granted Critical
Publication of EP2818250B1 publication Critical patent/EP2818250B1/fr
Priority to HRP20200231TT priority patent/HRP20200231T1/hr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B9/00—General arrangement of separating plant, e.g. flow sheets
    • B03B9/04—General arrangement of separating plant, e.g. flow sheets specially adapted for furnace residues, smeltings, or foundry slags
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03B—SEPARATING SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS
    • B03B5/00—Washing granular, powdered or lumpy materials; Wet separating
    • B03B5/02—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation
    • B03B5/10—Washing granular, powdered or lumpy materials; Wet separating using shaken, pulsated or stirred beds as the principal means of separation on jigs

Definitions

  • the invention relates to a method for the treatment of waste incineration slag.
  • waste incineration slag is first comminuted and sieved and then separated by a vibrating settling separator into different fractions of different densities.
  • the separation takes place in a heavy fraction comprising metals, a light fraction comprising mineral and a floating fraction comprising plastics, wood, paper or aerated concrete.
  • the separated heavy cargo is transported directly into a heavy goods storage and the floating goods are transported directly to a floating goods warehouse.
  • the light material is passed through an induction separator for separating metallic materials.
  • the vibratory settling separator can be provided, in particular in existing separation processes and separation plants, instead of or in addition to known separation mechanisms.
  • the order of the deposition mechanisms used can also be adapted to the respective task.
  • the separation of slag constituents according to the invention by a vibratory settling separator makes use of the usually higher specific density of metals compared to mineral constituents of the slag.
  • the result of the process is a metal fraction enriched with mischmetals, as well as a mineral fraction without metals, and a floating fraction comprising plastics, wood, paper or aerated concrete.
  • the separation takes place in a water bath.
  • the physical property of solids, according to which they have different sedimentation behavior, in particular different sedimentation rates, at different density in the flowing, pulsating water is utilized.
  • the different settling behavior in a water bath is used to slow the settling of lighter particles by creating an upward flow in the water bath, to suspend and subtract them, while the heavier particles fall against the upward flow and are deposited in such a way.
  • the invention relates in addition to the method for the treatment of waste incineration slag on the use of a vibratory settling separator for the separation of metallic residues in the treatment of waste incineration slag.
  • Fig. 1 shows the essential steps of an embodiment of the method according to the invention in the form of a flow chart.
  • a magnetic separator separates the magnetizable materials before the material is introduced into the vibratory jig. This has several dewatering screens in the present embodiment, see description of Fig. 2 ,
  • the remaining water can be separated into coarse sludge and fine sludge and optionally passed through a helical separator or separation hearth, and the filtered-out residual metals are also transported to a heavy goods storage.
  • the aggregates mentioned can be used in addition to the vibratory placement technique.
  • Fig. 2 shows a vibrating settling separator for use in the method according to the invention.
  • Waste incineration slag is introduced into a water-filled chamber with a sieve, wherein the chamber is pulsatingly pressurized, thereby forming a pulsating water level in the chamber.
  • the introduced slag separates according to their density in components that float at different heights in the chamber in the water bath: Denser components drift down, less dense components drift upwards.
  • the heavy material is withdrawn via a controller.
  • Fig. 3a - 3b show schematic sketches of a device according to the invention for the treatment of waste incineration slag.
  • the slag is fed by means of a wheel loader via a hopper a task conveyor belt and over this to the upper end of the jig (module 2) in approx. Transported 6.00 m height.
  • an overband magnet located after the hopper on the feed conveyor belt, and laterally dropped into a collection container for recovery.
  • the jigging machine is on a rd. 2.50 m high steel frame construction constructed (module 1), which houses the control technology and the associated switch boxes.
  • the jig itself has a height of approx. 3.50 m and consists of a water-filled box in which the water mechanically with approx. Moving 60 strokes per minute vertically up or down, whereby the water filling is placed in a vertically oscillating motion.
  • the water movement can also be done pneumatically.
  • the material flow> 1-2 mm remaining on the perforated plate is separated by the pulsating movement of the water body into particles of larger and smaller density.
  • the heavy fraction is withdrawn via a float-controlled discharge device at the end of the box of the jigging machine, the light fraction via an overlying discharge device. Both material streams, separated in such a way, are fed to the subsequent dewatering device (module 4).
  • the water treatment device (module 4) is on a rd. 2.00 m high steel frame support structure (Module 3) built.
  • the collecting container for the water arising from the drainage is installed, in which the material flow ⁇ 0.5 mm - 2 mm is also introduced from the jigging machine.
  • module 4 the sludge with a diameter of about 0.1 mm is separated by a hydrocyclone and fed to the light fraction.
  • the excess water from this treatment step is discharged into the reservoir to the water cycle.
  • the drainage facilities consist of three high-frequency vibrating drainage channels. On one of these grooves, the light fraction is abandoned, and the separated by the vibration of the gutters of the particles of water flows into the arranged below in module 3 collection container.
  • the heavy fraction On the second drainage channel, the heavy fraction is abandoned and also dehydrated as described above. From the dewatering the now reduced to two fractions material flows slide on two arranged downstream discharge belts, one of which throws the FE and NE metal mixture in a collection troughs for further utilization and the other the further demetallized slag on the surface of the waste body. From there, this discharge is picked up by a wheel loader and installed in the landfill.

Landscapes

  • Processing Of Solid Wastes (AREA)
  • Separation Of Solids By Using Liquids Or Pneumatic Power (AREA)
  • Gasification And Melting Of Waste (AREA)

Claims (6)

  1. Procédé de traitement de scories d'incinération de déchets, dans lequel des scories d'incinération de déchets broyées et tamisées sont séparées par un séparateur vibrant décanteur en fractions de densité différente, dans lequel la séparation s'effectue en une fraction lourde comprenant des métaux, une fraction légère comprenant des minéraux, et une fraction flottante comprenant des matières plastiques, du bois, du papier ou du béton de gaz, et dans lequel la séparation a lieu dans un liquide, à savoir dans un bain d'eau oscillant verticalement, caractérisé en ce que le produit lourd séparé est transporté directement dans une réserve de produit lourd et le produit flottant est transporté directement dans une réserve de produit flottant, et en ce que le produit léger passe par un séparateur à induction pour séparer les matériaux métalliques.
  2. Procédé selon la revendication 1, caractérisé en ce que des particules plus petites sont séparées par une tôle perforée avec une perforation de 0,5 mm - 2 mm qui est inclinée verticalement en direction du flux de matériau dans la partie supérieure du bain d'eau.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le produit flottant dans la zone de surface du bain d'eau est séparé séparément.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que pour la séparation les scories d'incinération de déchets passent en outre par un ou plusieurs séparateurs magnétiques, séparateurs à induction et/ou séparateurs hélicoïdaux, qui sont disposés avant ou après le séparateur vibrant décanteur.
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que pour la déshydratation le matériau séparé passe par un canal de déshydratation oscillant à haute fréquence.
  6. Utilisation d'un séparateur vibrant décanteur pour séparer des composants de densité différente dans le traitement de scories d'incinération de déchets broyées et tamisées, dans laquelle une séparation s'effectue en une fraction lourde comprenant des métaux, une fraction légère comprenant des minéraux, et une fraction flottante comprenant des matières plastiques, du bois, du papier ou du béton de gaz, et dans lequel la séparation a lieu dans un liquide, à savoir dans un bain d'eau oscillant verticalement, caractérisé en ce que le produit lourd séparé est transporté directement dans une réserve de produit lourd et le produit flottant est transporté directement dans une réserve de produit flottant, et en ce que le produit léger passe par un séparateur à induction pour séparer les matériaux métalliques.
EP14168812.7A 2013-06-27 2014-05-19 Procédé de préparation de cendres d'incinération de déchets Active EP2818250B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
RS20200142A RS59887B1 (sr) 2013-06-27 2014-05-19 Metoda za preradu šljake od spaljenog otpada
SI201431475T SI2818250T1 (sl) 2013-06-27 2014-05-19 Postopek za obdelavo odpadne žlindre s sežiganjem
PL14168812T PL2818250T3 (pl) 2013-06-27 2014-05-19 Sposób obróbki żużla ze spalania odpadów
HRP20200231TT HRP20200231T1 (hr) 2013-06-27 2020-02-12 Metoda za preradu šljake od spaljenog otpada

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT500962013 2013-06-27

Publications (2)

Publication Number Publication Date
EP2818250A1 EP2818250A1 (fr) 2014-12-31
EP2818250B1 true EP2818250B1 (fr) 2019-11-20

Family

ID=50735931

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14168812.7A Active EP2818250B1 (fr) 2013-06-27 2014-05-19 Procédé de préparation de cendres d'incinération de déchets

Country Status (9)

Country Link
EP (1) EP2818250B1 (fr)
DK (1) DK2818250T3 (fr)
ES (1) ES2769545T3 (fr)
HR (1) HRP20200231T1 (fr)
HU (1) HUE048399T2 (fr)
PL (1) PL2818250T3 (fr)
PT (1) PT2818250T (fr)
RS (1) RS59887B1 (fr)
SI (1) SI2818250T1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110937835A (zh) * 2019-12-25 2020-03-31 湖南军信环保股份有限公司 一种垃圾焚烧炉渣资源化利用的方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110482745A (zh) * 2019-09-05 2019-11-22 广东绿富域资源再生科技有限公司 一种垃圾焚烧炉渣的污水处理系统及污水处理方法
CN114392828B (zh) * 2022-01-25 2023-04-11 郑州绿清环保科技有限公司 一种垃圾焚烧发电厂炉渣的资源化综合处理方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010234217A (ja) * 2009-03-30 2010-10-21 Kubota Corp 粉粒体処理システム及び粉粒体処理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE410048C (de) * 1921-01-04 1925-08-29 Ambi Arthur Mueller Bauten Fa Schlackenscheider
DE852532C (de) * 1950-03-31 1952-10-16 Nat Coal Board Verfahren zur Aufbereitung von Kohle
DE4123277C1 (en) * 1991-07-13 1993-05-27 Rwe Entsorgung Ag, 4300 Essen, De Handling waste combustion slag allowing removal of valuable materials - by reducing raw slag material and then removing dust components and wet sorting to separate light fraction
DE19747504A1 (de) * 1997-10-28 1999-04-29 Babcock Anlagen Gmbh Verfahren zur Behandlung von Verbrennungsrückständen

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010234217A (ja) * 2009-03-30 2010-10-21 Kubota Corp 粉粒体処理システム及び粉粒体処理方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110937835A (zh) * 2019-12-25 2020-03-31 湖南军信环保股份有限公司 一种垃圾焚烧炉渣资源化利用的方法

Also Published As

Publication number Publication date
DK2818250T3 (da) 2020-02-17
HRP20200231T1 (hr) 2020-05-15
HUE048399T2 (hu) 2020-08-28
RS59887B1 (sr) 2020-03-31
PL2818250T3 (pl) 2020-05-18
ES2769545T3 (es) 2020-06-26
SI2818250T1 (sl) 2020-07-31
EP2818250A1 (fr) 2014-12-31
PT2818250T (pt) 2020-02-03

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