EP0353491A1 - Installation pour brûler des déchets spéciaux - Google Patents

Installation pour brûler des déchets spéciaux Download PDF

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Publication number
EP0353491A1
EP0353491A1 EP89112462A EP89112462A EP0353491A1 EP 0353491 A1 EP0353491 A1 EP 0353491A1 EP 89112462 A EP89112462 A EP 89112462A EP 89112462 A EP89112462 A EP 89112462A EP 0353491 A1 EP0353491 A1 EP 0353491A1
Authority
EP
European Patent Office
Prior art keywords
combustion chamber
waste
combustion
chamber
rotary kiln
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
EP89112462A
Other languages
German (de)
English (en)
Other versions
EP0353491B1 (fr
Inventor
Martin Rudolf Zweifel
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.)
ABB Immobilien AG
Alstom SA
Original Assignee
ABB Management AG
W and E Umwelttechnik 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=4243946&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0353491(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by ABB Management AG, W and E Umwelttechnik AG filed Critical ABB Management AG
Priority to AT89112462T priority Critical patent/ATE95291T1/de
Publication of EP0353491A1 publication Critical patent/EP0353491A1/fr
Application granted granted Critical
Publication of EP0353491B1 publication Critical patent/EP0353491B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • F23G5/008—Incineration of waste; Incinerator constructions; Details, accessories or control therefor adapted for burning two or more kinds, e.g. liquid and solid, of waste being fed through separate inlets
    • 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
    • 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
    • F23G2205/00—Waste feed arrangements
    • F23G2205/16—Waste feed arrangements using chute
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2205/00—Waste feed arrangements
    • F23G2205/18—Waste feed arrangements using airlock systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/12—Sludge, slurries or mixtures of liquids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/28—Plastics or rubber like materials
    • 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
    • F23G2900/52001—Rotary drums with co-current flows of waste and gas
    • 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
    • F23G2900/54401—Feeding waste in containers, bags or barrels

Definitions

  • the invention relates to a process for the combustion of gaseous, liquid and solid industrial waste, referred to as special waste, wherein a rotary kiln with an adjoining afterburning chamber arranged in series is provided.
  • a rotary kiln In a known system, a rotary kiln is used, the end of which opens into an afterburning chamber. In the afterburning chamber, the flue gases coming from the rotary kiln are afterburned. Most of the hazardous waste is incinerated in the rotary kiln. During the incineration process, a precise balance of the waste, according to the characteristics determined before the incineration, is a prerequisite for trouble-free operation Business. Decisive for an efficient combustion are not only the right temperatures in the rotary kiln, but it is also important that the dwell times are long enough. This is the only way to achieve an efficient combustion of the gases and solid substances as well as a good burnout of the residual materials.
  • the rotary kiln On the inlet-side, water-cooled end wall of the rotary kiln are filling devices for solid waste and barrels as well as burners and lances for liquid combustible materials, sludge, polymerizing waste etc., as well as for supporting fuels and nozzles for the primary combustion air if necessary.
  • Injection devices for liquid waste, in particular aqueous waste with little or no calorific value, as well as secondary air nozzles and an additional auxiliary burner are installed in the afterburner chamber downstream of the rotary tube.
  • all of the hazardous waste is brought into the rotary kiln via the front wall and burned, except for waste water with no or low calorific value, which is injected into the afterburning chamber. If this waste water were burned in a rotary kiln, this would cause the combustion temperature to be throttled too much.
  • Biogas can also be introduced directly into the afterburner, as this gas burns out very quickly.
  • Solids and sludge are fed in through the inlet end wall to maintain a certain basic load on the rotary kiln.
  • a multi-fuel burner possibly with a lance, is used for the automatic temperature control of the rotary kiln, with which gas as well as high-calorific liquid waste can be burned. These substances can be injected individually or in combination with other substances.
  • This burner is integrated on the one hand in the temperature control circuit of the afterburner chamber - the temperature in the rotary kiln and in the afterburning chamber can be set between 950 o C and 1300 o C - and on the other hand in the control circuit, which determines the amount of steam or regulates the hot water of a boiler system downstream of the combustion part of the system.
  • This burner has its own combustion air supply and is also used as a start-up burner.
  • the primary air quantity is the main air volume for combustion in a rotary kiln.
  • the separate injection of primary air through the end wall of the rotary tube improves the oxidation conditions by also oxidizing volatile elements in the solid bed forming in the rotary tube furnace.
  • the afterburning chamber In the afterburning chamber, substances are burned that have not yet reacted in the rotary kiln.
  • the unburned gases and solid particles arise primarily during the combustion process, especially at the end of the rotary kiln; because the dwell time there is too short to allow the substances to burn out completely.
  • This afterburning in the afterburning chamber is supported by the secondary air, which is injected into the afterburning chamber under high pressure.
  • the flue gases leave the afterburning chamber burned out and are already cooled down to approx. 650 o C in the subsequent radiation part of the downstream boiler. After the boiler, the gases pass through a filter system in which most of the solid particles are separated from the gas stream.
  • the afterburning chamber is designed as a combustion chamber, with only part of the waste being burned in the rotary kiln and the remaining part of the waste, in particular gaseous and liquid, being fed to the combustion chamber and burned there.
  • the fact that only part of the waste is incinerated in the rotary kiln allows the dimensions of the rotary kiln to be reduced, but the capacity of the system is retained since the remaining part of the waste can now be incinerated in the combustion chamber downstream of the rotary kiln. It is possible to burn out the gases in the combustion chamber as completely as in known systems.
  • the invention also includes a system with which the object is achieved that the method can be carried out optimally.
  • combustion chamber narrows conically in the lower end region and the end of the rotary kiln opens in this region, and at least one burner is arranged in the combustion chamber for the introduction of gaseous and liquid substances of the remaining part of the waste.
  • the incineration plant essentially comprises a rotary kiln 1 and an afterburning chamber 2, in the latter of which the flue gases generated in the rotary kiln 1 during combustion of the waste are completely burned out.
  • the rotary kiln 1 has a water-cooled end wall 3 on the inlet side, on which a filling device 4 for solid waste 5 and barrels 6 is arranged.
  • Burner 7 and lance 8 serve the introduction of liquid, flammable substances and sludge, polymerizing waste and, depending on the need of support fuel;
  • Air nozzles 10 serve to introduce the primary combustion air.
  • the fixed end wall 3 closes off a rotary tube 11 which is supported on bearings 14 and whose speed can be adjusted by means of a drive 12 depending on the type of waste incinerated.
  • the outlet-side end of the rotary tube 11 is an opening 15 with an opening diameter corresponding to the diameter of the rotary tube, which protrudes through the wall of the afterburning chamber 2 into the lower part thereof.
  • Injection devices 16 for liquid waste, in particular aqueous waste without heating value and secondary air nozzles 17, and an additional auxiliary burner 18 are arranged in the afterburning chamber 2. With the support burner 18 it is ensured that the temperature required for the respective combustion process can be maintained; it is therefore only in operation temporarily.
  • the afterburning chamber 2 is intended to ensure that all substances which have not yet reacted in the rotary tube are completely burned. This afterburning is supported by the secondary air introduced by means of the secondary air nozzles 17. The secondary air has to compensate for the temperature profiles in the afterburning chamber.
  • the gases burned out in the afterburning chamber 2 leave the same upwards in the direction of a boiler system. Afterwards, the gases are cleaned in a filter system and separated from the majority of their remaining solid particles. Solid particles that sink into the lower part of the afterburning chamber 2 are removed from the afterburning chamber by a slag discharge 19.
  • FIG. 2 shows a plant according to the invention for the incineration of hazardous waste.
  • the rotary tube 11 of the rotary tube furnace 1 is only partially shown, since this part of the system is carried out unchanged compared to the known systems.
  • a combustion chamber 20 now connects to the rotary tube 11.
  • parts of the resulting hazardous waste in particular gaseous and liquid, mostly high-calorie substances, are burned in the combustion chamber 20.
  • a device 22 for introducing the substances mentioned is installed in the lower part 21 of the combustion chamber 20, which device can comprise one or more burners 23. These burners are arranged in such a way that the gaseous and liquid waste is injected in the center of the vertical flow formed in the combustion chamber 20.
  • the combustion chamber 20 is essentially designed as a standing, tubular chamber which narrows conically in the lower part 21.
  • this lower part 21 there is also the mouth 15 of the rotary tube 11 of the rotary tube furnace. Since the rotary tube 15 rotates, a sealing device 24 is installed to seal the mouth 15 against the wall 24 of the combustion chamber 20, which seals the slide by means of sliding shoes on the rotary tube 11 and was also used by the applicant in known systems for the incineration of hazardous waste.
  • a slag discharge 19 is provided, through which slag sinking in the combustion chamber 20 can be removed.
  • nozzles for the entry of the secondary air (not shown) and lances for the introduction of liquid waste without or with only a very low calorific value (not shown). These nozzles and lances have an approximately tangentially directed axis and thereby generate a vortex flow in the combustion chamber 20 during operation.
  • a constriction 26 is provided, through which the swirl flow is increased by the acceleration of the flue gas flow.
  • the combustion of the remaining part of the waste injected in the center of the combustion chamber 20 creates a flue gas stream which brings additional energy into the combustion chamber 20 for the formation of the vortex flow.
  • the oxygen introduced by the secondary air causes a complete burnout of the smoke gases rising in the combustion chamber 20.
  • the flue gases entering the combustion chamber 20 from below are burned out.
  • the gaseous and liquid waste is also injected from below in the center of the combustion chamber cross section. They are burned from bottom to top while flowing through the combustion chamber 20 and are completely burned out at the upper end 25 of the combustion chamber.
  • the combustion chamber 20 has a conical constriction 26. At this point, the remaining mixture of the flue gases entering the combustion chamber from the rotary tube 11 and the flue gases generated by the combustion of the waste injected directly into the combustion chamber 20 takes place.
  • the combustion chamber 20 is manufactured in a known manner.
  • a refractory lining is introduced, which can be bricked in a known manner from, for example, refractory bricks.
  • the rotary tube 11 is also designed in the same way.
  • the combustion chamber 20 has a greater height than the known post-combustion chambers; however, since other parts of the entire system are even taller, there is no disadvantage. Rather, the length of the combustion chamber 20, its tubular design and dimensioning and the arrangement of the secondary air nozzles result in a flow in the combustion chamber 20, which up to the upper end 25 of the combustion chamber 20 causes an extremely effective combustion of the flue gases, which is that of a known system with a rotary kiln and afterburner at least.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Fertilizers (AREA)
EP89112462A 1988-07-29 1989-07-07 Installation pour brûler des déchets spéciaux Expired - Lifetime EP0353491B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT89112462T ATE95291T1 (de) 1988-07-29 1989-07-07 Anlage zur verbrennung von sondermuell.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2892/88 1988-07-29
CH2892/88A CH679328A5 (fr) 1988-07-29 1988-07-29

Publications (2)

Publication Number Publication Date
EP0353491A1 true EP0353491A1 (fr) 1990-02-07
EP0353491B1 EP0353491B1 (fr) 1993-09-29

Family

ID=4243946

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89112462A Expired - Lifetime EP0353491B1 (fr) 1988-07-29 1989-07-07 Installation pour brûler des déchets spéciaux

Country Status (7)

Country Link
US (1) US5003893A (fr)
EP (1) EP0353491B1 (fr)
JP (1) JPH0730898B2 (fr)
AT (1) ATE95291T1 (fr)
CH (1) CH679328A5 (fr)
DE (1) DE58905747D1 (fr)
ES (1) ES2043974T3 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0579987A1 (fr) * 1992-07-24 1994-01-26 DEUTSCHE BABCOCK ANLAGEN GmbH Four rotatif
EP0710799A3 (fr) * 1994-11-07 1998-01-14 Bayer Ag Procédé d'oxydation thermiques de liquides résiduaires
EP0846918A2 (fr) 1996-12-06 1998-06-10 L. & C. Steinmüller GmbH Methode pour la combustion de combustible dans un four tournant et four tournant pour la mise en oeuvre de ce procédé
DE10036410B4 (de) * 2000-07-26 2013-07-25 Basf Se Verfahren und Vorrichtung zum Ausbrand von Gut in einem Drehrohrofen

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4509695B2 (ja) * 2004-07-28 2010-07-21 月島環境エンジニアリング株式会社 廃液焼却処理方法
JP6772004B2 (ja) * 2016-09-05 2020-10-21 Ｊｘ金属株式会社 燃焼処理装置及びその操業方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1254801B (de) * 1963-05-15 1967-11-23 Basf Ag Verfahren und Anlage zum Verbrennen fester, fluessiger oder teigiger Stoffe
US3664277A (en) * 1970-07-31 1972-05-23 Carborundum Co On-site incinerator
FR2197148A1 (fr) * 1972-08-23 1974-03-22 Mannesmann Ag
FR2271509A1 (fr) * 1974-05-16 1975-12-12 Von Roll Ag
FR2575271A1 (fr) * 1984-12-24 1986-06-27 Chiyoda Chem Eng Construct Co Appareil d'incineration et de fusion
DE3625397A1 (de) * 1986-07-26 1988-02-04 Gutehoffnungshuette Man Nachbrennkammer hinter einem verbrennungsofen einer verbrennungseinrichtung fuer chemischen abfall
FR2605724A1 (fr) * 1986-10-23 1988-04-29 Tunzini Nessi Entreprises Equi Dispositif d'extraction des dechets solides d'une usine d'incineration

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2706395A (en) * 1955-04-19 Flue starting plate
DE1950975A1 (de) * 1969-10-09 1971-04-15 Clean Air Controls Inc Verbrennungsofen
US3785306A (en) * 1972-02-15 1974-01-15 J Jaget Method and apparatus for incinerating refuse
US3842762A (en) * 1973-07-13 1974-10-22 Grumman Ecosyst Corp Apparatus for disposing of solid wastes
JPS5114631U (fr) * 1974-07-20 1976-02-03
US3937154A (en) * 1974-08-28 1976-02-10 Consumat Systems, Inc. Afterburner apparatus for incinerators or the like
JPS5387581A (en) * 1977-01-11 1978-08-02 Mitsui Eng & Shipbuild Co Ltd Apparatus for fusing and combusting waste plastics
JPS5815832U (ja) * 1981-07-24 1983-01-31 三菱重工業株式会社 産業廃棄物等の焼却炉におけるロ−タリキルン羽口部冷却装置
US4583469A (en) * 1985-06-17 1986-04-22 Sani-Therm, Inc. Incinerator
US4768445A (en) * 1986-10-17 1988-09-06 Man Gutehoffnungshutte Gmbh Waste incinerator construction
US4763583A (en) * 1987-01-09 1988-08-16 M & S Engineering & Manufacturing Co., Inc. Self-sustaining wet waste incinerator
DE3703855A1 (de) * 1987-02-07 1988-08-18 Gutehoffnungshuette Man Verbrennungsanlage fuer abfallstoffe

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1254801B (de) * 1963-05-15 1967-11-23 Basf Ag Verfahren und Anlage zum Verbrennen fester, fluessiger oder teigiger Stoffe
US3664277A (en) * 1970-07-31 1972-05-23 Carborundum Co On-site incinerator
FR2197148A1 (fr) * 1972-08-23 1974-03-22 Mannesmann Ag
FR2271509A1 (fr) * 1974-05-16 1975-12-12 Von Roll Ag
FR2575271A1 (fr) * 1984-12-24 1986-06-27 Chiyoda Chem Eng Construct Co Appareil d'incineration et de fusion
DE3625397A1 (de) * 1986-07-26 1988-02-04 Gutehoffnungshuette Man Nachbrennkammer hinter einem verbrennungsofen einer verbrennungseinrichtung fuer chemischen abfall
FR2605724A1 (fr) * 1986-10-23 1988-04-29 Tunzini Nessi Entreprises Equi Dispositif d'extraction des dechets solides d'une usine d'incineration

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0579987A1 (fr) * 1992-07-24 1994-01-26 DEUTSCHE BABCOCK ANLAGEN GmbH Four rotatif
EP0710799A3 (fr) * 1994-11-07 1998-01-14 Bayer Ag Procédé d'oxydation thermiques de liquides résiduaires
EP0846918A2 (fr) 1996-12-06 1998-06-10 L. & C. Steinmüller GmbH Methode pour la combustion de combustible dans un four tournant et four tournant pour la mise en oeuvre de ce procédé
DE19650785C2 (de) * 1996-12-06 1998-12-24 Steinmueller Gmbh L & C Verfahren zum Verbrennen von Brenngut in einem Drehrohrofen und Drehrohrofen zur Durchführung des Verfahrens
EP0846918A3 (fr) * 1996-12-06 1999-01-20 L. & C. Steinmüller GmbH Methode pour la combustion de combustible dans un four tournant et four tournant pour la mise en oeuvre de ce procédé
DE10036410B4 (de) * 2000-07-26 2013-07-25 Basf Se Verfahren und Vorrichtung zum Ausbrand von Gut in einem Drehrohrofen

Also Published As

Publication number Publication date
CH679328A5 (fr) 1992-01-31
US5003893A (en) 1991-04-02
JPH0730898B2 (ja) 1995-04-10
ATE95291T1 (de) 1993-10-15
DE58905747D1 (de) 1993-11-04
JPH02154910A (ja) 1990-06-14
ES2043974T3 (es) 1994-01-01
EP0353491B1 (fr) 1993-09-29

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