EP0950855A2 - Procédé et dispositif pour l'incinération de matières particulaires - Google Patents

Procédé et dispositif pour l'incinération de matières particulaires Download PDF

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Publication number
EP0950855A2
EP0950855A2 EP99103353A EP99103353A EP0950855A2 EP 0950855 A2 EP0950855 A2 EP 0950855A2 EP 99103353 A EP99103353 A EP 99103353A EP 99103353 A EP99103353 A EP 99103353A EP 0950855 A2 EP0950855 A2 EP 0950855A2
Authority
EP
European Patent Office
Prior art keywords
air
combustion chamber
fresh air
cyclone furnace
cyclone
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.)
Withdrawn
Application number
EP99103353A
Other languages
German (de)
English (en)
Other versions
EP0950855A3 (fr
Inventor
Erwin Dipl.-Ing. Brunnmair
Gerhard Dipl.-Ing. Moosmann
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.)
Andritz AG
Original Assignee
Andritz Patentverwaltungs 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 Andritz Patentverwaltungs GmbH filed Critical Andritz Patentverwaltungs GmbH
Publication of EP0950855A2 publication Critical patent/EP0950855A2/fr
Publication of EP0950855A3 publication Critical patent/EP0950855A3/fr
Withdrawn legal-status Critical Current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
    • 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
    • F23G5/32—Incineration of waste; Incinerator constructions; Details, accessories or control therefor the waste being subjected to a whirling movement, e.g. cyclonic incinerators
    • 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
    • F23G5/165—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber arranged at a different level
    • 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
    • F23G2205/20—Waste feed arrangements using airblast or pneumatic feeding
    • 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
    • F23G2209/26—Biowaste

Definitions

  • the invention relates to a method and a device for combustion of particulate solids, especially biological ones Waste materials with a low calorific value.
  • Such a method is known for example from WO 92/14969.
  • This process uses finely ground, dried sludge together with primary air in a bricked combustion chamber for combustion blown in.
  • the cyclone combustion chamber in which mainly takes place in solid combustion, becomes solid set amount of damp, reduced oxygen content, air to prevent of the sintered ash.
  • the amount of air for the primary air just like that of the secondary air, is fixed for a certain furnace size set.
  • the heating output is regulated by adding more or less fuel with the fixed primary air volume.
  • the aim of the invention is the combustion of organic fuels, especially sewage sludge, at low temperatures, preferably at 850 ° C, and thus fuels with a low ash melting point without Burn ash sintering and also better separation to reach the ashes to protect the following components.
  • the invention is therefore characterized in that the waste materials ge together with fresh air in a substoichiometric ratio into the combustion chamber be blown in.
  • the fresh air flow can therefore easily match the Combustion capacity can be adjusted.
  • cooling air or additional fresh air creates another Oxygen supply and thus further combustion under air or Excess oxygen. This ensures that a complete The fuel burns out and also prevents CO formation becomes.
  • a favorable further development of the invention is characterized in that that cooling air is introduced into the combustion chamber above the fresh air supply becomes. This ensures good dust separation without harmful ones Secondary flow reached.
  • An advantageous embodiment of the invention is characterized in that that a moist, oxygen-reduced air is used as cooling air is, the air from the drying circuit upstream Sludge drying system can be removed. Thereby the combustion temperature can already be found in the upper part of the combustion chamber keep it low.
  • An advantageous development of the invention is characterized in that that additional cooling air is fed into the core of the cyclone. Thereby can favorably overheat and melt ash inside the Combustion chamber can be avoided.
  • a favorable further development of the invention is characterized in that that the cooling air quantities are different in size or adjustable. This makes it easy to regulate the temperature in the combustion chamber.
  • a favorable embodiment of the invention is characterized in that that additional fresh air is supplied through a dip tube. So that can the ash separation can be significantly improved.
  • An advantageous embodiment of the invention is characterized in that that the fresh air supply is regulated depending on the burner output.
  • the cooling air supply can be dependent on the Burner output can be regulated. This way you can always get an optimal one Combustion and low temperature reach and then on Avoid sintering the ashes.
  • the invention further relates to a device for the combustion of particulate solids, especially biological waste with low calorific value, with a cyclone furnace. It is according to the invention characterized in that the cyclone furnace a guide tube for targeted Fresh air supply, also in the transition (cyclone neck) between the secondary combustion chamber and the primary combustion chamber of the cyclone furnace a dip tube can be provided. This makes it special good adaptation of the fresh air volume to the combustion performance possible.
  • An advantageous embodiment of the invention is characterized in that that the guide tube is arranged centrally in the cyclone furnace, the guide tube Air outlet openings in the area of the primary combustion chamber of the cyclone furnace can have. This allows the fresh air to be directed to the required positions are introduced.
  • a favorable further development of the invention is characterized in that that the dip tube has a double jacket, through the additional Fresh air is introduced into the primary combustion chamber. With that, besides the fresh air supply also ensures appropriate cooling become.
  • FIG. 1 shows a cyclone furnace according to the invention
  • FIG. 2 shows another 3 shows a detail from FIG. 2
  • FIG. 4 shows a variant of the invention analog section
  • Fig. 5 shows a section through Fig. 1 along line V-V
  • FIG. 6 shows an overall system for drying and burning Represents mud.
  • Fig. 1 shows a cyclone furnace 1 with an adjustable and tangentially arranged nozzle 2, through the ground fuel, in the
  • the main thing is biological waste, together with fresh air as combustion air in a substoichiometric ratio in the primary part 3 of the Combustion chamber 4 is blown.
  • the mixture is burned in the oven a burner 5 to support materials with low calorific value or is arranged in the start-up phase.
  • the ashes are over one Discharge 6 discharged from the cyclone furnace 1.
  • the fed through the nozzle 2 Fresh air flow can affect the combustion output to the desired extent or the amount of fuel to be adjusted.
  • the cooling air is tangential as secondary air for combustion via an inlet 6 ' blown into the combustion chamber 3 above the primary air supply 2.
  • the finely ground fuel from the primary air supply 2 contains, via the cyclone neck 8 into the secondary combustion chamber 9 is carried out.
  • the flue gases then exit through an outlet 10 the cyclone furnace 1 and are subsequently used for the Heat e.g. a heat exchanger for heating the dryer air an upstream dryer circuit.
  • Air from the dryer circuit is fed to the incinerator.
  • Air from the dryer circuit is fed to the incinerator.
  • a central guide tube 12 can be used through which through targeted arrangement of holes 13 cooling air into the interior of the Combustion chamber 3 can be passed, with an overheating inside of the combustion chamber 3 can be avoided.
  • the guide tube 12 extends with its lower end into the ash discharge 6.
  • Fig. 2 shows an analog design, the guide tube 12 is omitted.
  • a 1 represents the dip tube 43, which in the combustion chamber 3 is sufficient.
  • FIG. 3 shows an example of the area of the cyclone neck 8 with dip tube 43 according to the embodiment of Fig. 2.
  • feed pipes here 44 for additional fresh air to see that in a double jacket 45 of Dip tube 43 opens.
  • the fresh air supplied is here as cooling air used and then led to the core of the cyclone. From there it flows with the remaining air from the combustion chamber 3 into the Secondary combustion chamber 9.
  • Fig. 4 shows an analog section like Fig. 3. In addition, here is still to see the guide tube 12. 4 thus shows the combination of the guide tube 12 and dip tube 43.
  • Fig. 5 shows a section along line V-V in Fig. 1, with particular emphasis here the arrangement of the tangential nozzles 2, 11 and the secondary air supply 6 are recognizable.
  • the arrangement of the guide tube 12 can also be seen and the burner 5.
  • the last fresh air supply for post-combustion can be replaced via an exchangeable, internally cooled dip tube 43 (see FIG. 3, 4) take place, whereby the ash separation compared to the known Systems is significantly improved.
  • FIG. 6 shows the system diagram of an overall system for sludge treatment / Sludge disposal.
  • the facility consists of one Drying part 14 with sludge dryer 21 and air circulation, and a combustion part 15 with a cyclone furnace 1.
  • Pre-dewatered sludge is fed to a silo 17 via a line 16 and is already dried with a collected in silo 18 Sludge mixed in mixer 19. This mixture is made over a Line 20, into which hot drying air is also blown, into one Dryer 21 introduced.
  • a (three-pass) drum dryer is a (three-pass) drum dryer. However, it can also be a fluidized bed or fluid bed dryer or another directly heated dryer can be used.
  • the one with dried Sludge granules loaded with moist exhaust air is a filter 22 fed to separate the solid particles.
  • a circulating air fan 23 the moist exhaust air is fed to a condenser 24, which is designed here as a spray condenser.
  • the dried and cooled Air is passed through a recirculation line 25, the majority via line 26 and a heat exchanger 27 in which they are heated again is introduced into line 20, whereupon the air circuit again begins.
  • the remaining part of the circulating air is via line 28 as secondary air as described above at various points in the cyclone furnace blown in.
  • the exhaust gas that is discharged from the cyclone furnace 1 exits is fed via line 29 to the heat exchanger 27, in which it its energy content to the circulating air for heating the drying air delivers.
  • the flue gas then goes through a cleaning system, represented here by a dust filter 30 and a cooler 31, which here is again designed as a spray cooler, and is via line 32 to the Atmosphere.
  • the solid granules from the filter 22 are first fed to a cooler 33, from where it is fed to a sieve 34. Part of the granules is fed back into the silo 18 via line 35 and serves as backmixing material, sufficient dryness for the material supply to ensure the dryer 21.
  • the regulation of the material supply and mixing takes place in a known manner.
  • a partial flow of the material from screen 34 is fed to a silo 36 and then finely ground in a crusher 37.
  • This material is called Fuel from line 38 together with the combustion air Line 39 injected into the cyclone furnace 1.
  • the cyclone furnace 1 was already described above.
  • the resulting ash is cooled in a cooler 40 and discharged from the system and deposited via conveyors 41, 42 or recycled.
  • the invention is not restricted to the examples shown. It can e.g. B. other types of dryers or condensers etc. ver be applied.
  • the entire drying section can be done differently if it is a recirculation system in which the solid preferably crushed at the end and fed to the cyclone furnace becomes.
  • the exhaust gas heat exchanger can also be arranged elsewhere become.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)
  • Treatment Of Sludge (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Processing Of Solid Wastes (AREA)
EP99103353A 1998-04-17 1999-02-20 Procédé et dispositif pour l'incinération de matières particulaires Withdrawn EP0950855A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT0064798A AT406901B (de) 1998-04-17 1998-04-17 Verfahren und vorrichtung zur verbrennung von partikelförmigen feststoffen
AT64798 1998-04-17

Publications (2)

Publication Number Publication Date
EP0950855A2 true EP0950855A2 (fr) 1999-10-20
EP0950855A3 EP0950855A3 (fr) 1999-12-29

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP99103353A Withdrawn EP0950855A3 (fr) 1998-04-17 1999-02-20 Procédé et dispositif pour l'incinération de matières particulaires

Country Status (9)

Country Link
US (2) US6216610B1 (fr)
EP (1) EP0950855A3 (fr)
JP (1) JPH11325439A (fr)
KR (1) KR19990083127A (fr)
AT (1) AT406901B (fr)
CA (1) CA2266770A1 (fr)
CZ (1) CZ125399A3 (fr)
HU (1) HUP9900553A3 (fr)
PL (1) PL332526A1 (fr)

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ES2191506A1 (es) * 2000-03-22 2003-09-01 Tecnica Instaladora Iberica S Instalacion de postcombustion para aparatos generadores de efluentes con componentes organicos gaseosos.
CN106090882A (zh) * 2016-06-14 2016-11-09 西安圣华农业科技股份有限公司 分腔燃烧及自动除渣的生物质颗粒自动燃烧设备
CN110107901A (zh) * 2019-04-26 2019-08-09 北京科太亚洲生态科技股份有限公司 一种三废一体化反应器废弃物的控制系统及控制方法

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KR100413057B1 (ko) * 2000-08-22 2003-12-31 한국과학기술연구원 토네이도의 원리를 이용한 그라운드 플레어의 소각 용량증대방법 및 그 장치
US6601526B2 (en) * 2001-01-09 2003-08-05 Board Of Supervisors Of Louisiana State University And Agricultural And Mechanical College Compact dual cyclone combustor
EP2278222A1 (fr) * 2004-05-19 2011-01-26 Innovative Energy, Inc. Procédé et appareil de combustion
US7669348B2 (en) * 2006-10-10 2010-03-02 Rdp Company Apparatus, method and system for treating sewage sludge
US9657989B2 (en) * 2008-04-07 2017-05-23 Wastedry, Llc Systems and methods for processing municipal wastewater treatment sewage sludge
US20100012006A1 (en) * 2008-07-15 2010-01-21 Covanta Energy Corporation System and method for gasification-combustion process using post combustor
CA2730936A1 (fr) * 2008-07-15 2010-01-21 Covanta Energy Corporation Systeme et procede pour un processus de gazeification-combustion utilisant une chambre de postcombustion
US8707875B2 (en) 2009-05-18 2014-04-29 Covanta Energy Corporation Gasification combustion system
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JP5174618B2 (ja) * 2008-10-31 2013-04-03 株式会社日立製作所 酸素燃焼ボイラシステム及び酸素燃焼ボイラシステムの制御方法
US8701573B2 (en) * 2009-05-18 2014-04-22 Convanta Energy Corporation Gasification combustion system
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DE102009060882A1 (de) * 2009-12-30 2011-07-07 Wörle Umwelttechnik GmbH, 74172 Brennersystem
CN101900322B (zh) * 2010-04-01 2015-05-27 广东迪奥技术有限公司 一种双筒双回程分级燃烧装置
CN101956987A (zh) * 2010-11-02 2011-01-26 无锡爱姆迪环保科技有限公司 一种智能型污泥焚烧炉
FR2970764B1 (fr) * 2011-01-21 2013-02-22 Expl Energetique De Sous Produits Ind Et Agricoles Exedia Dispositif de combustion, unite d'incineration comprenant un tel dispositif de combustion, et procede de mise en oeuvre d'un tel dispositif de combustion
CA2887282C (fr) * 2012-10-24 2020-07-14 Maralto Environmental Technologies Ltd. Echangeur de chaleur et procede permettant de chauffer un liquide de fracturation
DE102013207724A1 (de) * 2013-04-26 2014-10-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verbrennungsanlage mit verbesserter Lüftung und zyklonartiger Brennkammer
US10252611B2 (en) * 2015-01-22 2019-04-09 Ford Global Technologies, Llc Active seal arrangement for use with vehicle condensers
US11499778B2 (en) 2017-03-03 2022-11-15 Douglas Technical Limited Apparatus and method for continuously drying bulk goods, in particular wood chips and/or wood fibers comprising a solid fired hot gas generator
CN110382961A (zh) * 2017-03-03 2019-10-25 道格拉斯科技有限公司 用于连续干燥散装物品、特别是木屑和/或木纤维的包括热气旋风分离器的设备和方法
CN106881336A (zh) * 2017-04-14 2017-06-23 重庆秋松环保科技有限公司 垃圾处理系统
KR101736838B1 (ko) * 2017-04-20 2017-05-29 채재우 물과 연소공기의 열분해를 이용한 하이브리드형 연소장치
UA125909C2 (uk) 2017-06-06 2022-07-06 Даґлас Текнікал Лімітед Установка і спосіб безперервного сушіння насипних матеріалів
WO2019041014A1 (fr) * 2017-09-01 2019-03-07 Carlos Pereira Filho Alberto Réacteur pour procédé de combustion avancée destiné à brûler de la biomasse et des déchets

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2191506A1 (es) * 2000-03-22 2003-09-01 Tecnica Instaladora Iberica S Instalacion de postcombustion para aparatos generadores de efluentes con componentes organicos gaseosos.
CN106090882A (zh) * 2016-06-14 2016-11-09 西安圣华农业科技股份有限公司 分腔燃烧及自动除渣的生物质颗粒自动燃烧设备
CN110107901A (zh) * 2019-04-26 2019-08-09 北京科太亚洲生态科技股份有限公司 一种三废一体化反应器废弃物的控制系统及控制方法

Also Published As

Publication number Publication date
CA2266770A1 (fr) 1999-10-17
US6216610B1 (en) 2001-04-17
EP0950855A3 (fr) 1999-12-29
HUP9900553A3 (en) 2000-12-28
US6401636B2 (en) 2002-06-11
KR19990083127A (ko) 1999-11-25
HUP9900553A2 (hu) 2000-02-28
AT406901B (de) 2000-10-25
ATA64798A (de) 2000-02-15
JPH11325439A (ja) 1999-11-26
CZ125399A3 (cs) 1999-11-17
US20010015160A1 (en) 2001-08-23
HU9900553D0 (en) 1999-05-28
PL332526A1 (en) 1999-10-25

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