EP0686809B1 - Verfahren und Anlage zur Abfallverarbeitung - Google Patents
Verfahren und Anlage zur Abfallverarbeitung Download PDFInfo
- Publication number
- EP0686809B1 EP0686809B1 EP95108189A EP95108189A EP0686809B1 EP 0686809 B1 EP0686809 B1 EP 0686809B1 EP 95108189 A EP95108189 A EP 95108189A EP 95108189 A EP95108189 A EP 95108189A EP 0686809 B1 EP0686809 B1 EP 0686809B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- low
- carbon
- temperature carbonization
- residue
- rich fraction
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000002699 waste material Substances 0.000 title claims description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 35
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 35
- 239000000446 fuel Substances 0.000 claims abstract description 18
- 238000003763 carbonization Methods 0.000 claims description 39
- 239000010813 municipal solid waste Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 3
- 238000003303 reheating Methods 0.000 claims 5
- 231100001261 hazardous Toxicity 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 20
- 239000002920 hazardous waste Substances 0.000 description 9
- 239000010791 domestic waste Substances 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 4
- 239000003546 flue gas Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000003345 natural gas Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000010799 household hazardous waste Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Classifications
-
- 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 processing waste, whereby part of the waste is carbonized, causing carbonization gas and smoldering residue arise, and whereby from smoldering residue a carbon-rich fraction is separated.
- the invention also relates to a plant for waste processing with a rotary kiln in which a burner is arranged is, and with a smoldering drum, the output side with a Carbonization line and with a separator for solid Smolder residue is connected, from which a line for a carbon-rich fraction of the smoldering residue runs out.
- the one shown there on page 12 Part of the waste is planted with carbon.
- the Smoldering gas is used as an energy source for the combustion of the remaining waste used.
- Smolder residue is fractionated, whereby metals and other inert components are separated separately.
- a remaining carbon-rich fraction of the smoldering residue is added to the delivered waste to increase its calorific value to increase.
- the invention was based on the object, a method and a To specify the system, which has a significantly higher operating time and allow less maintenance of the rotary kiln.
- the task of specifying a suitable procedure is performed according to solved the invention in that at least a portion of the carbon-rich Fraction of the smoldering residue as fuel for a support flame to burn another part of the Waste is used.
- the carbon-containing one Fraction of the smoldering residue are used directly as fuel used for the support flame that is necessary to To be able to incinerate waste with a low calorific value is usually hazardous waste. Because the carbon-rich Fraction as fuel and not only to increase the Calorific value of waste is used, it loads the rotary kiln less and the maintenance of the rotary kiln can be restricted. In addition, other will advantageously Fuel necessary to heat the rotary kiln would be saved. Neither natural gas nor heating oil are used to become.
- the waste to be disposed of is pre-sorted in such a way that normal household waste that has a high calorific value, is polluted and that hazardous waste, whose calorific value is low is burned in a rotary kiln.
- Special waste containers e.g. Barrels, unopened directly in the very large rotary kiln.
- the necessary heating the rotary kiln is made with carbonization and carbonaceous gas Smolder residue from the smoldering process, which is targeted to made from household waste with a smoldering drum will. Excess carbonization gas and excess carbon-rich Sulfur residues can without the rotary kiln to be burned in the afterburner.
- the task of specifying a suitable waste processing plant is solved 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 becomes immediate used to heat the rotary kiln. Since the carbon-rich fraction not together with the waste in the rotary kiln is fed, the rotary kiln becomes less burdened and less frequent maintenance.
- the carbonization gas line emanating from the carbonization drum can also be connected to the burner in the rotary kiln.
- Fuel for this burner can therefore be carbonization gas and / or carbon-containing smoldering residue.
- the carbonization line and / or the line for the Carbon-rich fraction of the smoldering residue can, for example as well as directly with the burner in the rotary kiln with an afterburner downstream of the rotary kiln be connected.
- the carbonization line and / or the line for the carbon-rich fraction with controllable distribution devices connected by using first line branches the burner and through second line branches with the afterburning chamber are connected. It is thus advantageously possible that the carbonization gas and the carbon-rich fraction of the smoldering residue on the burner and on the afterburner be distributed that the burner is always optimal Amount of fuel received.
- a first waste entry device for Household garbage present with the entrance of the smoldering drum is connected, and it is a second refuse entry device available for hazardous waste with the entrance of the rotary kiln connected is.
- This has the advantage that the Hazardous waste in the rotary kiln and in the downstream afterburner is eliminated and that with the smoldering drum certain fuel for the burner of the rotary kiln Household waste is generated.
- the drawing shows a plant for waste processing 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 arrives via an entry device 1 in a rotary kiln 2. Both the entry device 1 and the rotary kiln 2 are so large that the containers do not need to be opened. It can be whole stuffed Barrels are placed in the rotary kiln 2. in the Rotary tube furnace 2, the temperature is about 1300 ° C.
- the rotary kiln 2 opens into an afterburning chamber 3, which is not turns. There the temperature is between 1200 ° C and 1300 ° C.
- a slag discharge leads from the afterburning chamber 3 4 and a flue gas discharge line 5. The slag and that Flue gas is processed in the usual way.
- the flue gas can be passed through a waste heat boiler 6 for heat dissipation will. From there it passes through a flue gas cleaning device 7 to a chimney 8. Since the hazardous waste one has very low calorific value, it must pass through in rotary kiln 2 a burner 9 arranged there can be heated. This Burner 9 must be supplied with fuel.
- a smoldering drum 10 which over an entry device 11 household waste is fed in usually has a high calorific value.
- carbonization gas and solid carbonization residue are formed.
- the Carbonization gas is supplied via a carbonization gas line 15 to a distribution device 12 supplied. From there, smoldering gas is passed through a Line branch 15a fed to the burner 9 as fuel. The remaining carbonization gas comes from the distribution device 12 from a line branch 15b directly into the afterburning chamber 3.
- the smoldering residue comes from a discharge housing 10a of the smoldering drum 10 in a separating device 13. There the coarse portions are from the fine portions of the smoldering residue Cut.
- the rough parts are stones, Metals and other inert substances that are discharged 17 be delivered. They can be further separated and reused will.
- the fine portion is high in carbon. He will via a line 16 to a distribution device 14. From there, carbon-rich smoldering residue is sent over a Line branch 16a fed to the burner 9 as fuel. The remaining carbon-rich smoldering residue comes from the distribution device 14 from a line branch 16b directly into the afterburning chamber 3.
- the distribution devices 12, 14 only feed the burner 9 with as much fuel as is required there becomes.
- a Similar burner, not shown, located in the afterburning chamber 3 can be located with carbonization gas and high carbon Smolder residue are supplied.
- the advantage is achieved that the Heating energy necessary for the disposal of hazardous waste with the help of a smoldering drum 10 operated in parallel is generated from household waste. At the same time is a use of carbon-containing carbonization residues possible. Because 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, one comes with a relatively small and therefore inexpensive Rotary kiln 2, which requires little maintenance.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Incineration Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
- Gasification And Melting Of Waste (AREA)
- Fertilizers (AREA)
Description
Claims (9)
- Verfahren zur Abfallverarbeitung, wobei ein Teil des Abfalls verschwelt wird, wodurch Schwelgas und Schwelreststoff entstehen, und wobei vom Schwelreststoff eine kohlenstoffreiche Fraktion abgetrennt wird,
dadurch gekennzeichnet, daß zumindest ein Teil der kohlenstoffreichen Fraktion des Schwelreststoffes als Brennstoff für eine Stützflamme zum Verbrennen eines anderen Teils des Abfalls verwendet wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß der Rest der kohlenstoffreichen Fraktion verbrannt wird. - Verfahren nach einem der Ansprüche 1 oder 2,
dadurch gekennzeichnet, daß Hausmüll verschwelt wird und daß zumindest ein Teil des dabei gebildeten Schwelgases und/oder der dabei gebildeten kohlenstoffreichen Fraktion des Schwelreststoffes als Brennstoff für eine Stützflamme zum Verbrennen von Sondermüll verwendet wird. - Anlage zur Abfallverarbeitung mit einem Drehrohrofen (2), in dem ein Brenner (9) angeordnet ist, und mit einer Schweltrommel (10), die ausgangsseitig mit einer Schwelgasleitung (15) und mit einer Trennvorrichtung (13) für festen Schwelreststoff verbunden ist, von der eine Leitung (16) für eine kohlenstoffreiche Fraktion des Schwelreststoffes ausgeht,
dadurch gekennzeichnet, daß die Leitung (16-16a) für die kohlenstoffreiche Fraktion mit dem Brenner (9) im Drehrohrofen (2) verbunden ist. - Anlage nach Anspruch 4, wobei der Drehrohrofen (2) ausgangsseitig mit einer Nachbrennkammer (3) verbunden ist,
dadurch gekennzeichnet, daß die Leitung (16-16a, 16-16b) für die kohlenstoffreiche Fraktion außer mit dem Brenner (9) auch mit einem Eingang der Nachbrennkammer (3) verbunden ist. - Anlage nach Anspruch 5,
dadurch gekennzeichnet, daß die Leitung (16) für die kohlenstoffreiche Fraktion mit einer steuerbaren Verteileinrichtung (14) verbunden ist, die durch einen ersten Leitungszweig (16a) mit dem Brenner (9) und durch einen zweiten Leitungszweig (16b) mit der Nachbrennkammer (3) verbunden ist. - Anlage nach einem der Ansprüche 5 oder 6, wobei die Schwelgasleitung (15-15a) mit dem Brenner (9) im Drehrohrofen (2) verbunden ist,
dadurch gekennzeichnet, daß die Schwelgasleitung (15-15b) auch mit dem Eingang der Nachbrennkammer (3) verbunden ist. - Anlage nach Anspruch 7,
dadurch gekennzeichnet, daß die Schwelgasleituing (15) mit einer steuerbaren Verteileinrichtung (12) verbunden ist, die durch einen ersten Leitungszweig (15a) mit dem Brenner (9) und durch einen zweiten Leitungszweig (15b) mit der Nachbrennkammer (3) verbunden ist. - Anlage nach einem der Ansprüche 4 bis 8,
dadurch gekennzeichnet, daß eine erste Eintragsvorrichtung (11) für Hausmüll mit dem Eingang der Schweltrommel (10) verbunden ist und daß eine zweite Eintragsvorrichtung (1) für Sondermüll mit dem Eingang des Drehrohrofens (2) verbunden ist.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE4420420A DE4420420A1 (de) | 1994-06-10 | 1994-06-10 | Verfahren und Anlage zur Abfallverarbeitung |
| DE4420420 | 1994-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0686809A1 EP0686809A1 (de) | 1995-12-13 |
| EP0686809B1 true EP0686809B1 (de) | 1998-01-14 |
Family
ID=6520341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95108189A Expired - Lifetime EP0686809B1 (de) | 1994-06-10 | 1995-05-29 | Verfahren und Anlage zur Abfallverarbeitung |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5724900A (de) |
| EP (1) | EP0686809B1 (de) |
| AT (1) | ATE162291T1 (de) |
| DE (2) | DE4420420A1 (de) |
| DK (1) | DK0686809T3 (de) |
| ES (1) | ES2111354T3 (de) |
Families Citing this family (9)
| 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 |
| EP0908674A1 (de) * | 1997-10-13 | 1999-04-14 | Asea Brown Boveri AG | Verfahren zur Verbrennung von Müll in einem Verbrennungsofen und zur Aufbereitung der Schlacke aus der Müllverbrennung |
| 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 |
Family Cites Families (10)
| 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 |
| 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 |
| DE4102255A1 (de) * | 1990-02-08 | 1991-08-14 | K & K Ofenbau Gmbh | Verwendung einer hausmuellverbrennungsanlage zum zweistufigen verbrennen von spezialabfall |
| 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 |
-
1994
- 1994-06-10 DE DE4420420A patent/DE4420420A1/de not_active Withdrawn
-
1995
- 1995-05-29 AT AT95108189T patent/ATE162291T1/de not_active IP Right Cessation
- 1995-05-29 DE DE59501252T patent/DE59501252D1/de not_active Expired - Fee Related
- 1995-05-29 ES ES95108189T patent/ES2111354T3/es not_active Expired - Lifetime
- 1995-05-29 DK DK95108189T patent/DK0686809T3/da active
- 1995-05-29 EP EP95108189A patent/EP0686809B1/de not_active Expired - Lifetime
- 1995-06-02 US US08/458,489 patent/US5724900A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| ATE162291T1 (de) | 1998-01-15 |
| DK0686809T3 (da) | 1998-09-14 |
| EP0686809A1 (de) | 1995-12-13 |
| US5724900A (en) | 1998-03-10 |
| DE4420420A1 (de) | 1995-12-14 |
| ES2111354T3 (es) | 1998-03-01 |
| DE59501252D1 (de) | 1998-02-19 |
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