EP0686809A1 - Méthode et dispositif pour le traitement de déchets - Google Patents

Méthode et dispositif pour le traitement de déchets Download PDF

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Publication number
EP0686809A1
EP0686809A1 EP95108189A EP95108189A EP0686809A1 EP 0686809 A1 EP0686809 A1 EP 0686809A1 EP 95108189 A EP95108189 A EP 95108189A EP 95108189 A EP95108189 A EP 95108189A EP 0686809 A1 EP0686809 A1 EP 0686809A1
Authority
EP
European Patent Office
Prior art keywords
carbonization
carbon
waste
residue
line
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
Application number
EP95108189A
Other languages
German (de)
English (en)
Other versions
EP0686809B1 (fr
Inventor
Herbert Dr. Tratz
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.)
Siemens AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of EP0686809A1 publication Critical patent/EP0686809A1/fr
Application granted granted Critical
Publication of EP0686809B1 publication Critical patent/EP0686809B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/20—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having rotating or oscillating drums
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/006—General arrangement of incineration plant, e.g. flow sheets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber

Definitions

  • the invention relates to a method for waste processing, wherein part of the waste is carbonized, whereby carbonization gas and carbonization residue are formed, and wherein a carbon-rich fraction is separated from the carbonization residue.
  • the invention also relates to a plant for waste processing with a rotary kiln, in which a burner is arranged, and with a carbonization drum, the output side of which is connected to a carbonization gas line and to a separation device for solid carbonization residue, from which a line for a carbon-rich fraction of the carbonization residue originates .
  • a system for waste processing in which part of the delivered waste is placed in a rotary kiln and another part in a smoldering drum, is from the table template of the SBW (Sonderab fallentsorgung Baden-They GmbH), which is discussed at the Forum Baden- wrote's special waste management forum "Treatment Procedures" submitted in June 1993 are known.
  • SBW Nonderab fallentsorgung Baden-They GmbH
  • part of the waste is charred.
  • the carbonization gas is used as an energy source for the incineration of the remaining waste.
  • the smoldering residue from the smoldering process is fractionated, whereby metals and other inert components are separated out separately.
  • a remaining carbon-rich fraction of the smoldering residue is mixed with the delivered waste in order to increase its calorific value.
  • the invention was based on the object of specifying a method and a system which enable a significantly longer operating time and less maintenance of the rotary kiln.
  • the object of specifying a suitable method is achieved according to the invention in that at least part of the carbon-rich fraction of the smoldering residue is used as fuel for a support flame for burning another part of the waste.
  • the carbon-containing fraction of the carbonization residue are used directly as fuel for the support flame, which is necessary to be able to burn waste with a low calorific value, which is usually hazardous waste. Because the carbon-rich fraction is used as fuel and not only to increase the calorific value of waste, it puts less strain on the rotary kiln and the maintenance of the rotary kiln can be restricted. In addition, other fuel that would be necessary to heat the rotary kiln is advantageously saved. Neither natural gas nor heating oil need be used.
  • the rest of the carbonization gas and the rest of the carbon-rich fraction can be burned. This combustion can take place in an afterburning chamber which is connected downstream of the rotary kiln.
  • the waste to be disposed of is pre-sorted in such a way that normal household waste, which has a high calorific value, is carbonized and that special waste, the calorific value of which is low, is incinerated in a rotary kiln.
  • Special waste containers e.g. Barrels, unopened, can be placed directly in the very large rotary kiln.
  • the rotary kiln is heated with carbonization gas and carbon-containing carbonization residue from the carbonization process, which are produced specifically for this purpose from household waste with a carbonization drum. Excess carbonization gas and excess carbon-rich carbonate residues can be burned in the afterburning chamber without stressing the rotary kiln.
  • the object of specifying a suitable plant for waste processing is achieved according to the invention in that the line for the carbon-rich fraction of the smoldering residue is connected to the burner in the rotary kiln.
  • the carbon-rich fraction of the smoldering residue is used directly to heat the rotary kiln. Since the carbon-rich fraction is not fed into the rotary kiln together with the waste, the rotary kiln is less stressed and requires less maintenance.
  • the carbonization gas line emanating from the carbonization drum can also be connected to the burner in the rotary kiln.
  • the fuel for this burner can therefore be carbonization gas and / or carbon-containing carbonization residue. No external fuel, such as natural gas, is therefore advantageously required.
  • the carbonization gas line and / or the line for the carbon-rich fraction of the carbonization residue can, for example, in addition to the burner in the rotary kiln, also be connected directly to an afterburning chamber downstream of the rotary kiln.
  • the carbonization line and / or the line for the carbon-rich fraction are connected to controllable distribution devices which are connected to the burner by first line branches and to the afterburner chamber by second line branches.
  • first garbage entry device for domestic waste which is connected to the entrance of the smoldering drum
  • second garbage entry device for special waste which is connected to the entrance of the rotary kiln.
  • the advantage is achieved in particular that combined household and special waste can be disposed of without a fuel must be purchased to heat the hazardous waste.
  • the throughput through the rotary kiln is reduced to such an extent that one can get by with a small, inexpensive rotary kiln, which moreover requires less maintenance than a large rotary kiln.
  • the drawing shows a plant for waste processing according to the invention.
  • Special waste can be disposed of with the system shown. This can also be used in containers, e.g. Barrels to be delivered.
  • the hazardous waste is fed into a rotary kiln 2 via an entry device 1. Both the entry device 1 and the rotary kiln 2 are so large that the containers do not need to be opened.
  • Whole filled drums can be put into the rotary kiln 2.
  • the temperature is about 1300 ° C.
  • the rotary kiln 2 opens into an afterburning chamber 3 which does not rotate. There the temperature is between 1200 ° C and 1300 ° C.
  • a slag discharge 4 and a flue gas discharge 5 emanate from the afterburning chamber 3. The slag and the flue gas are further processed in the usual way.
  • the flue gas can be passed through a waste heat boiler 6 for heat dissipation. From there it reaches a chimney 8 via a flue gas cleaning device 7. Since the hazardous waste has a very low calorific value, it must be heated in the rotary kiln 2 by a burner 9 arranged there. A fuel must be supplied to this burner 9.
  • a smoldering drum 10 which is fed in via an entry device 11 domestic waste, which in usually has a high calorific value. Smoldering gas and solid smoldering residue are formed in the smoldering drum 10.
  • the carbonization gas is fed to a distribution device 12 via a carbonization gas line 15. From there, carbonization gas is fed to the burner 9 as fuel via a line branch 15a. The remaining carbonization gas passes from the distribution device 12 via a line branch 15b directly into the afterburning chamber 3.
  • the carbonization residue arrives from a discharge housing 10a of the carbonization drum 10 in a separating device 13. There the coarse portions are separated from the fine portions of the carbonization residue.
  • the coarse fractions are stones, metals and other inert substances which are released via a discharge 17. They can be further separated and used again.
  • the fine portion is high in carbon. It is fed to a distribution device 14 via a line 16. From there, carbon-rich smoldering residue is fed to the burner 9 as fuel via a line branch 16a. The remaining carbon-rich smoldering residue reaches the afterburning chamber 3 from the distribution device 14 via a line branch 16b.
  • the distribution devices 12, 14 supply only as much fuel to the burner 9 as is required there.
  • a similar burner (not shown), which can be located in the afterburning chamber 3, can also be supplied with carbonization gas and carbon-rich carbonization residue.
  • the advantage is achieved that the heating energy, which is necessary for the disposal of hazardous waste, is generated from domestic waste with the help of a smoldering drum 10 operated in parallel.
  • use of the carbonaceous smoldering residue is possible. Since excess carbonization residue, as well as excess carbonization gas, which are not necessary for heating the hazardous waste, are fed directly into the afterburning chamber 3, you get by with a relatively small and therefore inexpensive rotary kiln 2, which requires little maintenance.
EP95108189A 1994-06-10 1995-05-29 Méthode et dispositif pour le traitement de déchets Expired - Lifetime EP0686809B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4420420 1994-06-10
DE4420420A DE4420420A1 (de) 1994-06-10 1994-06-10 Verfahren und Anlage zur Abfallverarbeitung

Publications (2)

Publication Number Publication Date
EP0686809A1 true EP0686809A1 (fr) 1995-12-13
EP0686809B1 EP0686809B1 (fr) 1998-01-14

Family

ID=6520341

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95108189A Expired - Lifetime EP0686809B1 (fr) 1994-06-10 1995-05-29 Méthode et dispositif pour le traitement de déchets

Country Status (6)

Country Link
US (1) US5724900A (fr)
EP (1) EP0686809B1 (fr)
AT (1) ATE162291T1 (fr)
DE (2) DE4420420A1 (fr)
DK (1) DK0686809T3 (fr)
ES (1) ES2111354T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0908674A1 (fr) * 1997-10-13 1999-04-14 Asea Brown Boveri AG Procédé pour la combustion de déchets dans un incinérateur et pour le traitement des scories provenants de l'incinération

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6199492B1 (en) * 1992-02-26 2001-03-13 KüNSTLER JOHANN HANS Process for melting down combustion residues into slag
DE19706606A1 (de) * 1997-02-20 1998-08-27 Babcock Anlagen Gmbh Verfahren zur Regelung der Temperatur in thermischen Abfallbehandlunganlagen und Abfallbehandlunganlage
DE19723911A1 (de) * 1997-06-06 1998-12-10 Wolfgang Wuth Vorrichtung zum Schwelen und zur Schwelgasnachverbrennung
US6189463B1 (en) * 1998-05-12 2001-02-20 General Technology, Inc. Methods and apparatus for incinerating combustible waste material such as farm animal biomass
AT3951U3 (de) * 1999-09-24 2001-04-25 Gregor Dipl Ing Rosinger Svk-verfahren zur sterilen energetischen verwertung von klinikmüll
US7087140B1 (en) 2001-09-10 2006-08-08 Menian Harry H Carbonizing waste processing apparatus
US6807916B2 (en) * 2002-09-25 2004-10-26 Continental Cement Company, Llc Integrated pyrolysis systems and methods
DE202005019846U1 (de) * 2005-12-16 2006-02-23 Inora Ag Vorrichtung zum energetischen Verwerten von festen Abfällen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310534A1 (de) * 1983-03-23 1984-10-04 C. Deilmann AG, 4444 Bad Bentheim Einrichtung zur gewinnung von energie aus pyrolisierbaren, kohlenstoffhaltigen abfallstoffen wechselnder zusammensetzung
DE3626106A1 (de) * 1986-08-01 1988-02-11 Babcock Anlagen Ag Vorrichtung zur pyrolyse von abfallstoffen
DE4102255A1 (de) * 1990-02-08 1991-08-14 K & K Ofenbau Gmbh Verwendung einer hausmuellverbrennungsanlage zum zweistufigen verbrennen von spezialabfall

Family Cites Families (7)

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Publication number Priority date Publication date Assignee Title
DE3633212A1 (de) * 1986-09-30 1988-04-14 Kwu Umwelttechnik Gmbh Pyrolyseanlage
DE3708220A1 (de) * 1987-03-13 1988-09-22 Krupp Polysius Ag Verfahren und anlage zur ausnutzung der heizenergie von haus- und gewerbemuell
DE3811820A1 (de) * 1987-08-03 1989-02-16 Siemens Ag Verfahren und anlage zur thermischen abfallentsorgung
DE3730729A1 (de) * 1987-09-12 1989-03-30 Gutehoffnungshuette Man Anlage zum verschwelen von abfallstoffen und verunreinigten stoffen
KR900700824A (ko) * 1988-03-18 1990-08-17 원본미기재 고체물질로 부터 휘발성 유기 화합물을 박리시키는 방법 및 장치
US5123364A (en) * 1989-11-08 1992-06-23 American Combustion, Inc. Method and apparatus for co-processing hazardous wastes
CZ43993A3 (en) * 1992-03-25 1994-02-16 Ormat Ind Ltd Process for producing heating gas from a low-grade solid fuel, and apparatus for making the same

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3310534A1 (de) * 1983-03-23 1984-10-04 C. Deilmann AG, 4444 Bad Bentheim Einrichtung zur gewinnung von energie aus pyrolisierbaren, kohlenstoffhaltigen abfallstoffen wechselnder zusammensetzung
DE3626106A1 (de) * 1986-08-01 1988-02-11 Babcock Anlagen Ag Vorrichtung zur pyrolyse von abfallstoffen
DE4102255A1 (de) * 1990-02-08 1991-08-14 K & K Ofenbau Gmbh Verwendung einer hausmuellverbrennungsanlage zum zweistufigen verbrennen von spezialabfall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0908674A1 (fr) * 1997-10-13 1999-04-14 Asea Brown Boveri AG Procédé pour la combustion de déchets dans un incinérateur et pour le traitement des scories provenants de l'incinération

Also Published As

Publication number Publication date
US5724900A (en) 1998-03-10
DK0686809T3 (da) 1998-09-14
ATE162291T1 (de) 1998-01-15
DE4420420A1 (de) 1995-12-14
DE59501252D1 (de) 1998-02-19
ES2111354T3 (es) 1998-03-01
EP0686809B1 (fr) 1998-01-14

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