EP1348906B1 - Verfahren zur Beeinflussung der Eigenschaften von Verbrennungsrückständen aus einer Verbrennungsanlage - Google Patents
Verfahren zur Beeinflussung der Eigenschaften von Verbrennungsrückständen aus einer Verbrennungsanlage Download PDFInfo
- Publication number
- EP1348906B1 EP1348906B1 EP03001180A EP03001180A EP1348906B1 EP 1348906 B1 EP1348906 B1 EP 1348906B1 EP 03001180 A EP03001180 A EP 03001180A EP 03001180 A EP03001180 A EP 03001180A EP 1348906 B1 EP1348906 B1 EP 1348906B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- incineration
- process according
- residues
- slag
- combustion
- 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 description 29
- 239000002893 slag Substances 0.000 claims abstract description 44
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000010881 fly ash Substances 0.000 claims abstract description 6
- 238000005245 sintering Methods 0.000 claims description 10
- 238000000926 separation method Methods 0.000 claims description 6
- 238000004056 waste incineration Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 239000002956 ash Substances 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 abstract description 2
- 238000005303 weighing Methods 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 41
- 238000002844 melting Methods 0.000 description 21
- 230000008018 melting Effects 0.000 description 21
- 239000000446 fuel Substances 0.000 description 14
- 238000010304 firing Methods 0.000 description 8
- 239000002699 waste material Substances 0.000 description 4
- 239000003344 environmental pollutant Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 239000012633 leachable Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 231100001240 inorganic pollutant Toxicity 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000013589 supplement 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
- F23G5/50—Control or safety arrangements
-
- 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
- F23G2201/00—Pretreatment
- F23G2201/60—Separating
- F23G2201/602—Separating different sizes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2202/00—Combustion
- F23G2202/20—Combustion to temperatures melting waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2207/00—Control
- F23G2207/30—Oxidant supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/30—Solid combustion residues, e.g. bottom or flyash
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2900/00—Special features of, or arrangements for incinerators
- F23G2900/50206—Pelletising waste before combustion
Definitions
- the invention relates to a method for influencing the properties of combustion residues from a Incineration plant, in particular a waste incineration plant, where the fuel is on a grate burned and the resulting combustion residues by appropriate combustion control on a elevated temperature are brought.
- molten Combustion residues Due to the high temperatures in the treatment of Combustion residues in a smelting stage are molten Combustion residues due to low levels of organic Marked connections. While typical Slags from waste incineration plants still unburned, usually measured as loss on ignition, from 1 to 5% by weight show the loss on ignition of molten combustion residues at below 0.3 wt .-%. In addition, are molten Combustion residues due to small proportions characterized by leachable salts and heavy metals, because these either evaporated or in the case of cooling the Melt forming glass matrix are involved.
- the object of the invention is the combustion process so too influence and regulate that completely sintered Slag with the desired quality without the use of downstream melting or glazing units obtained becomes.
- a "completely sintered slag" becomes a material understood that consists of sintered and / or melted chunks, typically a grain size of at least 2 to 8 mm. These chunks consist of combustion residues of garbage by complete or superficial Melting are agglomerated.
- the sintered or smelted pieces may be due to gas release during sintering or melting quite a porous Have structure.
- the possible porosity of the fully sintered Slag is due to the fact that the temperature the molten slag in the fuel bed is not high is enough to have a sufficiently low viscosity and thus to cause expulsion of gas bubbles, which in the Glass technology is also referred to as Läutern. This is different the completely sintered slag of typical vitrified slags that are in downstream high-temperature process in crucible furnaces lined with refractory material or other melt aggregates.
- the fully sintered slag can also constituents of waste, such as glass or metals, containing of the combustion process largely unaffected the Walk through grate, so in the narrower sense in the fuel bed neither melted nor sintered, but in terms of Burnout and leachable pollutants the desired properties have.
- Residual slag will be the slag constituents below not sintered and / or melted are. Residual slag is characterized by a comparison to completely sintered slag smaller grain size as well higher loss on ignition and proportion of leachable pollutants.
- the above task is based on a Method of the type described above according to the invention solved by the fact that the combustion control so led that is already in the fuel bed of the main combustion zone a sintering and / or melting the Combustion residue to slag takes place, and that still not or not completely sintered or molten Combustion residue at the end of the combustion process deposited and fed to the combustion process again become.
- the basic idea of the invention is thus, on the one hand to influence the combustion process on the grate so that already a sintering and / or melting process the firing grate takes place in the main combustion zone, and that each still not sintered or molten Incineration residues are returned, at the second or third pass the desired Sintering and / or melting experience.
- the focus of the inventive concept is therefore the sintering and / or melting process of the combustion residues already in the fuel bed of the main combustion zone, which was not thought possible until now. It is namely for mechanical firing grates extremely harmful, if liquid slag between the individual grate bars or Other movable parts of the Feuerungsrostes arrives. Out For this reason one has a melting of the slag on the Avoided rust and made sure that in the fuel bed the Melting temperature of the slag is not reached.
- the sintered and / or melting in the upper part of the fuel bed instead, because from the top the largest heat effect by the Radiation of the flame body takes place and from below by supplying relatively cold primary combustion air the Temperature of the directly on the Feuerungsrost lying Material can be kept lower than on the top of the fuel bed. Because with such a combustion control not the entire incipient combustion residues in a completely sintered slag with the desired Quality can be converted, those are Combustion residue, which does not yet have the character of completely sintered slag, the combustion process fed again.
- an oxygen enrichment of the primary combustion air to about 25 vol .-% to 40 vol .-% is made.
- Another advantageous measure is that a preheating the primary air temperature to values of approx. 100 ° C to 400 ° C is performed. These measures may vary depending on Conditions are used separately or combined. Preferably, depending on the nature of the Burning the fuel bed temperature in the main combustion zone set to 1,000 ° C to 1,400 ° C.
- the separation of not completely sintered from the completely sintered slag is by classifying the Slag after discharge from the combustion system possible by making a separation cut at a grain size from e.g. 2 to 10 mm lays.
- the oversize corresponds to the completely sintered slag, while the undersized represents the fraction to be recycled.
- the separation can be done either by sieving or in further advantageous embodiment of the invention by a combination of sieves and a washing process done.
- the fine fraction with a particle size of less than 2 to 10 mm is returned to the combustion process. there can return by adding to the given Fuel or by immediate task on the Burning bed done. To avoid dust formation and Improvement of the handling ability can precede the fine fraction the return be pelletisisert or briquetted.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Gasification And Melting Of Waste (AREA)
- Processing Of Solid Wastes (AREA)
- Incineration Of Waste (AREA)
- Regulation And Control Of Combustion (AREA)
Description
- Figur 1:
- ein Flußdiagramm eines Basisverfahrens und
- Figur 2:
- eine erweiterte Ausführungsform des Verfahrens nach Figur 1.
Claims (11)
- Verfahren zur Beeinflussung der Eigenschaften von Verbrennungsrückständen aus einer Verbrennungsanlage, insbesondere einer Abfallverbrennungsanlage, bei dem der Brennstoff auf einem Feuerungsrost verbrannt und die dabei anfallenden Verbrennungsrückstände durch entsprechende Regelung der Verbrennung auf eine erhöhte Temperatur gebracht werden, dadurch gekennzeichnet, dass die Verbrennungsregelung so geführt wird, dass bereits im Brennbett der Hauptverbrennungszone ein Sinterungs- und/oder Schmelzvorgang der Verbrennungsrückstände zu Schlacke erfolgt und dass nicht geschmolzene oder gesinterte Verbrennungsrückstände am Ende des Verbrennungsvorganges abgeschieden und dem Feuerungsrost erneut zugeführt werden.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Verbrennungsregelung eine Sauerstoffanreicherung der Primärverbrennungsluft auf 25 Vol.-% bis 40 Vol.-% umfasst.
- Verfahren nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Verbrennungsregelung eine Vorwärmung der Primärverbrennungsluft auf 100°C bis 400°C umfasst.
- Verfahren nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, dass die Brennbetttemperatur auf 1.000°C bis 1.400°C eingestellt wird.
- Verfahren nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Verbrennungsregelung so eingestellt wird, dass ein Anteil an vollständig gesinterter Schlacke von 25 % bis 75 % der gesamten Verbrennungsrückstände anfällt.
- Verfahren nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass die beim Verbrennungsvorgang anfallende Flugasche dem Verbrennungsvorgang wieder zugeführt wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass eine Trennung der vollständig gesinterten von noch nicht vollständig gesinterter Schlacke erfolgt.
- Verfahren nach Anspruch 7, dadurch gekennzeichnet, dass die Trennung mittels eines Siebschnittes bei 2 bis 10 mm Korngröße erfolgt.
- Verfahren nach einem der Ansprüche 1 bis 8, dadurch gekennzeichnet, dass die Verbrennungsrückstände vor der Rückführung pelletisiert oder brikettiert werden.
- Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Rückführung der Verbrennungsrückstände durch Beimischen zu dem aufzugebenden Brennstoff erfolgt.
- Verfahren nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass die Rückführung der Verbrennungsrückstände durch unmittelbare Aufgabe auf das Brennbett erfolgt.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10213788A DE10213788B4 (de) | 2002-03-27 | 2002-03-27 | Verfahren zur Beeinflussung der Eigenschaften von Verbrennungsrückständen aus einer Verbrennungsanlage |
DE10213788 | 2002-03-27 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1348906A1 EP1348906A1 (de) | 2003-10-01 |
EP1348906B1 true EP1348906B1 (de) | 2005-08-10 |
Family
ID=27798211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03001180A Expired - Lifetime EP1348906B1 (de) | 2002-03-27 | 2003-01-21 | Verfahren zur Beeinflussung der Eigenschaften von Verbrennungsrückständen aus einer Verbrennungsanlage |
Country Status (11)
Country | Link |
---|---|
US (1) | US6748882B2 (de) |
EP (1) | EP1348906B1 (de) |
CN (1) | CN100352554C (de) |
AT (1) | ATE301803T1 (de) |
BR (1) | BR0300827B1 (de) |
CA (1) | CA2423745C (de) |
DE (2) | DE10213788B4 (de) |
DK (1) | DK1348906T3 (de) |
ES (1) | ES2247432T3 (de) |
PL (1) | PL200093B1 (de) |
RU (1) | RU2258179C2 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004050098B4 (de) | 2004-10-14 | 2007-05-31 | Martin GmbH für Umwelt- und Energietechnik | Verbrennungsanlage, insbesondere Abfallverbrennungsanlage |
DE102006026434B3 (de) * | 2006-06-07 | 2007-12-13 | Forschungszentrum Karlsruhe Gmbh | Verfahren zur Verbesserung der Schlackequalität von Rostfeuerungsanlagen |
RU2415339C2 (ru) * | 2008-05-29 | 2011-03-27 | Мартин ГмбХ Фюр Умвельт-Унд Энергитехник | Установка для сжигания и способ регулирования установки для сжигания |
CN104180376B (zh) * | 2014-07-18 | 2016-07-13 | 广东华信达节能环保有限公司 | 一种垃圾焚烧处理工艺 |
CN110125141A (zh) * | 2019-05-14 | 2019-08-16 | 北京环境工程技术有限公司 | 用于垃圾焚烧飞灰熔融的床层材料及制备工艺与处理方法 |
CN113566210A (zh) * | 2021-07-30 | 2021-10-29 | 云南紫辰集团生物科技有限公司 | 一种用于离心喷雾干燥的甘蔗渣焚烧热风炉 |
DE102021006192A1 (de) | 2021-12-15 | 2023-06-15 | Martin GmbH für Umwelt- und Energietechnik | Verfahren zur Verbrennung von Abfall und Vorrichtung zur Durchführung eines derartigen Verfahrens |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE701606C (de) * | 1938-04-08 | 1941-01-20 | Bromsregulator Svenska Ab | Gestaengeanordnung fuer Eisenbahnwagenbremsen |
US2891493A (en) * | 1954-09-07 | 1959-06-23 | Babcock & Wilcox Co | Method of and apparatus for burning particle-form fuel |
US3745941A (en) * | 1971-12-03 | 1973-07-17 | B Reilly | Slagging refuse incinerators |
DE3735061A1 (de) * | 1987-10-16 | 1989-04-27 | Fischer Reinhard | Verfahren zur beseitigung von abfaellen durch verbrennen mit sauerstoff |
DE3937866A1 (de) * | 1989-03-06 | 1990-09-13 | Pauli Balduin | Rostanordnung und verfahren zum verbrennen von muell und abfall |
DE8915970U1 (de) * | 1989-09-02 | 1992-07-23 | Oschatz Gmbh, 4300 Essen, De | |
DK168245B1 (da) * | 1990-07-03 | 1994-02-28 | Lund Milj Teknik A S V | Fremgangsmåde og anlæg til forbrænding af fast og eventuelt flydende affald af forskellig art |
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 |
US6199492B1 (en) * | 1992-02-26 | 2001-03-13 | KüNSTLER JOHANN HANS | Process for melting down combustion residues into slag |
DE4301814A1 (de) * | 1993-01-23 | 1994-07-28 | Steinmueller Gmbh L & C | Verfahren zum Verbrennen eines im wesentlichen aus Kunststoff bestehenden Abfalls, insbesondere PVC-Abfall |
DE4404418C2 (de) * | 1994-02-11 | 1997-10-23 | Martin Umwelt & Energietech | Verfahren zum Verbrennen von Brenngut, insbesondere Müll |
DE4429958A1 (de) * | 1994-08-24 | 1996-02-29 | Noell Abfall & Energietech | Verfahren und Vorrichtung zur thermischen Behandlung von Rostschlacken |
TW277101B (en) * | 1995-01-21 | 1996-06-01 | Abb Man Ag | Process for treating slag from refuse incineration plants |
DK90796A (da) * | 1996-08-28 | 1998-03-01 | Thomas Hoejlund Christensen | Metode til udvaskning og kemisk stabilisering af flyveaske, røgrensningsprodukter og andre metalholdige materialer |
DE59709100D1 (de) * | 1997-02-28 | 2003-02-13 | Alstom | Verfahren und Vorrichtung zur thermischen Behandlung von Flugstäuben aus Rostverbrennungsanlagen |
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 |
DE19817119A1 (de) * | 1998-04-17 | 1999-10-21 | Kohlenstaubtechnik Dr Schoppe | Verfahren und Vorrichtung zur vollständigen Verbrennung stückiger, aschehaltiger Brennstoffe |
DE19820038C2 (de) * | 1998-05-05 | 2000-03-23 | Martin Umwelt & Energietech | Verfahren zum Regeln der Feuerleistung von Verbrennungsanlagen |
CN1092088C (zh) * | 1998-08-26 | 2002-10-09 | 苏进邦 | 一种废弃物处理系统 |
DE19856417A1 (de) * | 1998-12-08 | 2000-06-15 | Krc Umwelttechnik Gmbh | Verfahren zum Einsatz von Ersatzstoffen mit geringer Dichte und zur Verbesserung des Wirkungsgrades eines Kessels mit Rostfeuerung und Rostkessel |
-
2002
- 2002-03-27 DE DE10213788A patent/DE10213788B4/de not_active Expired - Lifetime
-
2003
- 2003-01-21 ES ES03001180T patent/ES2247432T3/es not_active Expired - Lifetime
- 2003-01-21 EP EP03001180A patent/EP1348906B1/de not_active Expired - Lifetime
- 2003-01-21 DE DE50300924T patent/DE50300924D1/de not_active Expired - Lifetime
- 2003-01-21 AT AT03001180T patent/ATE301803T1/de active
- 2003-01-21 DK DK03001180T patent/DK1348906T3/da active
- 2003-03-19 CN CNB2005100920211A patent/CN100352554C/zh not_active Expired - Fee Related
- 2003-03-24 PL PL359318A patent/PL200093B1/pl unknown
- 2003-03-26 RU RU2003108438/03A patent/RU2258179C2/ru active
- 2003-03-26 CA CA002423745A patent/CA2423745C/en not_active Expired - Lifetime
- 2003-03-26 BR BRPI0300827-4A patent/BR0300827B1/pt not_active IP Right Cessation
- 2003-03-27 US US10/400,722 patent/US6748882B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DK1348906T3 (da) | 2005-11-07 |
US20030183138A1 (en) | 2003-10-02 |
BR0300827A (pt) | 2004-08-17 |
ATE301803T1 (de) | 2005-08-15 |
US6748882B2 (en) | 2004-06-15 |
ES2247432T3 (es) | 2006-03-01 |
PL359318A1 (en) | 2003-10-06 |
CA2423745A1 (en) | 2003-09-27 |
CA2423745C (en) | 2008-09-09 |
BR0300827B1 (pt) | 2011-06-28 |
RU2258179C2 (ru) | 2005-08-10 |
PL200093B1 (pl) | 2008-12-31 |
CN1727067A (zh) | 2006-02-01 |
DE10213788A1 (de) | 2003-10-23 |
DE50300924D1 (de) | 2005-09-15 |
EP1348906A1 (de) | 2003-10-01 |
CN100352554C (zh) | 2007-12-05 |
DE10213788B4 (de) | 2007-04-26 |
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