CA2569886A1 - Method and apparatus for high temperature heat treatment of combustible material in particular waste - Google Patents

Method and apparatus for high temperature heat treatment of combustible material in particular waste Download PDF

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Publication number
CA2569886A1
CA2569886A1 CA002569886A CA2569886A CA2569886A1 CA 2569886 A1 CA2569886 A1 CA 2569886A1 CA 002569886 A CA002569886 A CA 002569886A CA 2569886 A CA2569886 A CA 2569886A CA 2569886 A1 CA2569886 A1 CA 2569886A1
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CA
Canada
Prior art keywords
gas
chamber
combustion chamber
combustible material
burnt
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
CA002569886A
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French (fr)
Other versions
CA2569886C (en
Inventor
Enzo Morandi
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.)
SCOUTECH Srl
Original Assignee
Certo S.R.L.
Enzo Morandi
Scoutech S.R.L.
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 Certo S.R.L., Enzo Morandi, Scoutech S.R.L. filed Critical Certo S.R.L.
Publication of CA2569886A1 publication Critical patent/CA2569886A1/en
Application granted granted Critical
Publication of CA2569886C publication Critical patent/CA2569886C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F23G5/50—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
    • F23G5/02—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
    • F23G5/0273—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using indirect heating
    • 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
    • F23G5/10—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating electric
    • 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
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/10—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/12—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of plastics, e.g. rubber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00—Arrangements of devices for treating smoke or fumes
    • F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/04—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material using washing fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00—Combustion
    • F23G2202/10—Combustion in two or more stages
    • F23G2202/104—Combustion in two or more stages with ash melting stage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
    • F23G2203/101—Furnace arrangements with stepped or inclined grate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
    • F23G2203/80—Furnaces with other means for moving the waste through the combustion zone
    • F23G2203/803—Rams or pushers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/10—Arrangement of sensing devices
    • F23G2207/101—Arrangement of sensing devices for temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/10—Arrangement of sensing devices
    • F23G2207/102—Arrangement of sensing devices for pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2207/00—Control
    • F23G2207/10—Arrangement of sensing devices
    • F23G2207/108—Arrangement of sensing devices for hydrocarbon concentration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/20—Medical materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2209/00—Specific waste
    • F23G2209/22—Waste papers
    • 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
    • F23G2209/261—Woodwaste
    • 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
    • F23G2209/262—Agricultural waste
    • 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
    • F23G2209/281—Tyres
    • 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
    • F23G2900/00001—Exhaust gas recirculation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J2900/00—Special arrangements for conducting or purifying combustion fumes; Treatment of fumes or ashes
    • F23J2900/01005—Mixing water to ash
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
    • F23L2900/07009—Injection of steam into the combustion chamber

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Processing Of Solid Wastes (AREA)
  • Gasification And Melting Of Waste (AREA)
  • Incineration Of Waste (AREA)

Abstract

Apparatus (1) for high temperature heat treatment of combustible material, in particular municipal solid waste (waste products), or waste combustible of a desired nature, provided solid and not explosive, comprising a pyrolysis chamber (41) in which the material to treat is heated in a reducing environment to a temperature suitable for making a first molecular break of the substances in they present and a combustion chamber (42) within which is achieved a full combustion of the combustible material fed by feeding oxygen in amount predetermined. The full combustion of the combustible material executed in combustion chamber (42) of the apparatus (1) produces, in particular, gas at high temperature that is sent to the pyrolysis chamber in order to raise remarkably the temperature of pyrolysis. This associated to the introducing water vapour, through a duct (6), and of air, through a duct (7), in pyrolysis chamber (41) produce semiwater gas that is then burnt in combustion chamber (42) by feeding a current (8) of a fluid containing oxygen to raise the combustion temperature in order to carry out the process to temperature that assures the molecular break of the totality of the toxic substances. <IMAGE>

Claims (15)

1. Method for high temperature heat treatment of combustible material, in particular of waste, said heat treatment being carried out between a pyrolysis chamber wherein said combustible material is heated in a reducing environment and a combustion chamber wherein said combustible material is completely burnt characterised in that in said pyrolysis chamber gas and vapour are inserted at high temperature, said introduction causing the production of semiwater gas, wherein said gas at high temperature is burnt gas drawn downstream said combustion chamber, said semiwater gas formed in said pyrolysis chamber being burnt once reached said combustion chamber, thus causing a considerable rise of the combustion temperature.
2. Method, according to claim 1, wherein said semiwater gas is produced in said pyrolysis chamber sending a vapour jet and a gas jet at high temperature on the burning material which is arranged on a grid, and then said burning material achieves said combustion chamber by moving said grid .
3. Method, according to claim 1, wherein said semiwater gas reaches a predetermined zone of said combustion chamber according to a path different from that of said combustible material.
4. Method, according to claim 1, wherein said gas at high temperature produced in said combustion chamber crosses a post-combustion chamber within which a further heating is effected by feeding a current containing oxygen with completion of said combustion, said burnt gas produced in said post-combustion chamber having a low oxygen content and being in part sent to said pyrolysis chamber.
5. Method, according to claim 1, wherein a gas produced in one of said chambers is conveyed between a starting chamber and an arrival chamber by a system comprising a conveying fluid current that is supplied within a duct that connects said chambers, said conveying fluid being supplied to said duct direct towards said arrival chamber at a suitable speed to cause a suction of said gas inside said duct.
6. Method, according to claim 6, wherein conveying said burnt gas to said pyrolysis chamber is made sending in said duct water vapour as conveying fluid, said water vapour being used to obtain water gas in said pyrolysis chamber.
7. Method, according to claim 6, wherein conveying said semiwater gas from said pyrolysis chamber to said combustion chamber is made sending in said duct variably oxygenated gas as conveying fluid, said amount of oxygen supplied being adjustable according to the process conditions.
8. Method, according to claim 1, wherein said burnt gas before being conveyed to said pyrolysis chamber are separated from possible solid particles suspended giving a vortical movement of said burnt gas separates from said solid particles by centrifugal acceleration.
9. Method, according to claim 1, wherein a step is provided of feeding said combustible, material in said pyrolysis chamber that is made forcing the passage through a tapered duct in order to reduce its volume.
10. Apparatus for heat treatment of combustible material, in particular waste, comprising a pyrolysis chamber wherein said combustible material is heated in a reducing environment and a combustion chamber to which said combustible material moves for being completely burnt, characterised in that said pyrolysis chamber comprises means for feeding a gas at high temperature drawn from said combustion chamber and vapour, in order to make semiwater gas which, once reached said combustion chamber, is burnt for causing a considerable rise of the combustion temperature.
11. Apparatus, according to claim 14, wherein means are provided for conveying said semiwater gas from said pyrolysis chamber to said combustion chamber according to a path different from that of said combustible material.
12. Apparatus, according to claim 14, wherein downstream said combustion chamber a post-combustion chamber is provided within which a further said gas is further heated at high temperature obtaining burnt gas by feeding a current containing oxygen, said further heating causing a full decomposition of the part of said gas not yet dissociated.
13. Apparatus, according to claim 14, wherein means are provided for connecting a starting chamber to an arrival chamber, in particular for conveying said semiwater gas from said pyrolysis chamber to said combustion chamber or for conveying at least one part of said burnt gas up to said pyrolysis chamber, comprising at least one duct communicating with both said chambers among which said conveyance has to be executed, within which a conveying fluid current is fed, said conveying fluid being supplied to said duct at a suitable speed to cause a suction inside, in particular of said semiwater gas or of said burnt gas.
14. Apparatus, according to claim 14, wherein means are provided for feeding said combustible material in said pyrolysis chamber comprising means for forcing the passage through a tapered duct in order to reduce its volume.
15. Apparatus, according to claim 14, where in each chamber of the apparatus directional elements are provided of the gas flow obtained during the heat treatment of the combustible material.
CA2569886A 2004-06-10 2005-06-03 Method and apparatus for high temperature heat treatment of combustible material in particular waste Expired - Fee Related CA2569886C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP04425425A EP1607681B1 (en) 2004-06-10 2004-06-10 Method and apparatus for high temperature heat treatment of combustible material in particular waste
EP04425425.8 2004-06-10
PCT/EP2005/005996 WO2005121645A1 (en) 2004-06-10 2005-06-03 Method and apparatus for high temperature heat treatment of combustible material in particular waste

Publications (2)

Publication Number Publication Date
CA2569886A1 true CA2569886A1 (en) 2005-12-22
CA2569886C CA2569886C (en) 2011-10-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA2569886A Expired - Fee Related CA2569886C (en) 2004-06-10 2005-06-03 Method and apparatus for high temperature heat treatment of combustible material in particular waste

Country Status (11)

Country Link
US (1) US20080282946A1 (en)
EP (1) EP1607681B1 (en)
AT (1) ATE517292T1 (en)
CA (1) CA2569886C (en)
CY (1) CY1112534T1 (en)
DK (1) DK1607681T3 (en)
ES (1) ES2369907T3 (en)
PL (1) PL1607681T3 (en)
PT (1) PT1607681E (en)
SI (1) SI1607681T1 (en)
WO (1) WO2005121645A1 (en)

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Also Published As

Publication number Publication date
PT1607681E (en) 2011-10-24
US20080282946A1 (en) 2008-11-20
EP1607681B1 (en) 2011-07-20
CY1112534T1 (en) 2015-12-09
DK1607681T3 (en) 2011-11-14
WO2005121645A1 (en) 2005-12-22
ES2369907T3 (en) 2011-12-09
ATE517292T1 (en) 2011-08-15
PL1607681T3 (en) 2011-12-30
EP1607681A1 (en) 2005-12-21
SI1607681T1 (en) 2011-11-30
CA2569886C (en) 2011-10-11

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Effective date: 20160603