WO2017141051A1 - Brûleur - Google Patents

Brûleur Download PDF

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Publication number
WO2017141051A1
WO2017141051A1 PCT/GB2017/050423 GB2017050423W WO2017141051A1 WO 2017141051 A1 WO2017141051 A1 WO 2017141051A1 GB 2017050423 W GB2017050423 W GB 2017050423W WO 2017141051 A1 WO2017141051 A1 WO 2017141051A1
Authority
WO
WIPO (PCT)
Prior art keywords
chamber
combustion
wall
auger
cylindrical wall
Prior art date
Application number
PCT/GB2017/050423
Other languages
English (en)
Inventor
Michael Harris
Original Assignee
Mgh Burners Limited
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 Mgh Burners Limited filed Critical Mgh Burners Limited
Publication of WO2017141051A1 publication Critical patent/WO2017141051A1/fr

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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
    • F23G5/44—Details; Accessories
    • F23G5/442—Waste feed arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
    • F23B30/02—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts
    • F23B30/04—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts with fuel-supporting surfaces that are rotatable around a horizontal or inclined axis and support the fuel on their inside, e.g. cylindrical grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
    • F23B30/02—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts
    • F23B30/06—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts with fuel supporting surfaces that are specially adapted for advancing fuel through the combustion zone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
    • F23B30/02—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts
    • F23B30/06—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts with fuel supporting surfaces that are specially adapted for advancing fuel through the combustion zone
    • F23B30/08—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts with fuel supporting surfaces that are specially adapted for advancing fuel through the combustion zone with fuel-supporting surfaces that move through the combustion zone, e.g. with chain grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
    • F23B40/06—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B40/00—Combustion apparatus with driven means for feeding fuel into the combustion chamber
    • F23B40/06—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface
    • F23B40/08—Combustion apparatus with driven means for feeding fuel into the combustion chamber the fuel being fed along the fuel-supporting surface into pot- or trough-shaped grates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN  A CARRIER GAS OR AIR 
    • F23C7/00—Combustion apparatus characterised by arrangements for air supply
    • F23C7/002—Combustion apparatus characterised by arrangements for air supply the air being submitted to a rotary or spinning motion
    • 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
    • F23G5/0276—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage using direct 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
    • F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • 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
    • F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
    • F23G5/05—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying using drying grates
    • 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
    • F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
    • 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
    • F23G5/24—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having a vertical, substantially cylindrical, 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
    • F23G5/32—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
    • F23G5/44—Details; Accessories
    • F23G5/442—Waste feed arrangements
    • F23G5/444—Waste feed arrangements for solid waste
    • 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
    • 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
    • F23G7/105—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of field or garden waste or biomasses of wood waste
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2200/00—Waste incineration
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/10—Drying by heat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/10—Drying by heat
    • F23G2201/101—Drying by heat using indirect heat transfer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G2201/00—Pretreatment
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    • F23G2201/301—Treating pyrogases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G2201/00—Pretreatment
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    • F23G2201/302—Treating pyrosolids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G2201/303—Burning pyrogases
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
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    • F23G2201/30—Pyrolysing
    • F23G2201/304—Burning pyrosolids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2201/00—Pretreatment
    • F23G2201/40—Gasification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G2201/60—Separating
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    • F23G2201/00—Pretreatment
    • F23G2201/60—Separating
    • F23G2201/601—Separating different calorific values
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    • F23G2201/00—Pretreatment
    • F23G2201/60—Separating
    • F23G2201/603—Separating recyclable material
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    • F23G2201/701—Blending with additives
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    • F23G2201/80—Shredding
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    • F23G2201/90—Cooling
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    • F23G2203/207—Rotary drum furnace with air supply ports in the sidewall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
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    • F23G2203/208—Rotary drum furnace with interior agitating members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
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    • F23G2203/209—Rotary drum furnace with variable inclination of rotation axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
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    • F23G2203/21—Rotary drum furnace with variable speed of rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
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    • F23G2203/212—Sealing arrangements between rotary and stationary parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G2203/30—Cyclonic combustion furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G2203/40—Stationary bed furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G2203/403—Stationary bed furnace with substantial cylindrical combustion chamber
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G2203/00—Furnace arrangements
    • F23G2203/50—Fluidised bed furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
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    • F23G2203/50—Fluidised bed furnace
    • F23G2203/501—Fluidised bed furnace with external recirculation of entrained bed material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2203/00—Furnace arrangements
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    • F23G2203/502—Fluidised bed furnace with recirculation of bed material inside combustion chamber
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    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
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    • F23G2203/50—Fluidised bed furnace
    • F23G2203/503—Fluidised bed furnace with two or more fluidised beds
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
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    • F23G2203/504—Fluidised bed furnace with essentially horizontal flow of bed material
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    • F23G2203/505—Fluidised bed furnace with fluidised bed rotated as a whole
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    • F23G2203/60—Mobile furnace
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    • F23G2203/70—Modular furnace
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • F23G2203/00—Furnace arrangements
    • F23G2203/80—Furnaces with other means for moving the waste through the combustion zone
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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    • 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
    • F23G2203/801—Furnaces with other means for moving the waste through the combustion zone using conveyors
    • 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
    • F23G2203/801—Furnaces with other means for moving the waste through the combustion zone using conveyors
    • F23G2203/8013—Screw conveyors
    • 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
    • F23G2203/801—Furnaces with other means for moving the waste through the combustion zone using conveyors
    • F23G2203/8016—Belt conveyors
    • 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
    • F23G2203/00—Furnace arrangements
    • F23G2203/80—Furnaces with other means for moving the waste through the combustion zone
    • F23G2203/805—Furnaces with other means for moving the waste through the combustion zone using a rotating hearth
    • 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
    • F23G2205/12—Waste feed arrangements using conveyors
    • F23G2205/121—Screw conveyor
    • 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
    • F23G2900/50201—Waste pyrolysis, gasification or cracking by indirect heat transfer

Definitions

  • This invention relates to a combustion apparatus suitable for combusting waste materials.
  • WO2015033170A1 discloses a combustion apparatus suitable for combusting waste material, having a cylindrical combustion chamber with a feed in an end wall of the combustible material and an offset air feed to create a swirling combustion. Hot gases exit through the opposite end wall to the solids feed, and any solid residue is removed through an outlet at the lowest point in the cylinder wall, by means of an auger. Summary of the Invention
  • a combustion apparatus comprises a combustion chamber having a cylindrical wall extending between first and second end walls, a feed inlet for combustible material extending through the first end wall or through the cylindrical wall adjacent to the first end wall, a combustion gas outlet through the centre of the second wall, an air inlet connected to a blower, the air inlet extending through the cylindrical wall to direct a flow of air, in use, offset from the central longitudinal axis of the chamber whereby to cause a flow circulation around the cylindrical wall within the chamber, and a tube ex- tending axially along the chamber and through the centre of the combustion gas outlet, the tube containing an auger to convey particulate material from a feed outside the chamber, through the first end wall to discharge outside the chamber.
  • the tube is preferably provided with perforations therethrough at least on an upper surface thereof.
  • the feed outside the chamber may comprise a hopper.
  • a receiving vessel may be provided outside the chamber for receiving particulate material discharged by the auger.
  • the combustion apparatus of the invention can be used for drying particulate materials or for combusting materials, for example waste material, unsuitable for feed to the combustion chamber direct, for example because excessive moisture content or where a greater dwell time for the combustion process is required in order to achieve complete combustion.
  • the speed of the auger within the tube may be varied to enable the dwell time to be optimised.
  • the combustion apparatus of the invention is configured to burn waste materials of all types, and is suitable for burning waste wood-based materials such as chipboard containing adhesives, where a high combustion temperature is necessary to avoid the discharge of toxic or harmful gases.
  • the combustion gases from the apparatus may be passed through a heat exchanger to extract useful energy and then to particulate filters/cleaners to ensure that the final discharge to the atmosphere meets appropriate standards.
  • Figure 1 is a diagrammatic cross-sectional elevation of the combus- tion apparatus.
  • Figure 2 is a cross-section on line A-A in Figure 1 .
  • the combustion apparatus comprises a cylindrical combustion chamber 1 , suitably formed of steel lined with refractory material such as a refractory cement. Thermal insulation material may also be incorporated to minimise heat losses from the chamber.
  • the chamber has first and second end walls 2 and 3, the first end wall 2 having an inlet 4 through which an auger 5 delivers comminuted waste material 6 from a feed hopper 7.
  • the auger is driven by an electric motor 8 whose speed can be controlled to deliver the waste material at a de- sired rate to maintain full combustion.
  • a central outlet 9 is provided in the second wall for the hot combustion gases to be conducted via a flue 10 to a heat exchanger/boiler (not shown), where useful energy can be recovered, for example by a steam-driven electricity generator.
  • a blower 1 1 supplies air for the combustion process through an inlet 12 through the cylindrical wall of the combustion chamber 1 in a generally tangential direction to the inner cylindrical surface so as to create a rotary air flow within the combustion chamber.
  • the inlet 12 preferably includes a fuel oil spray nozzle and associated igniter, represented at 13, used at the start of the com- bustion process to heat the combustion chamber to a sufficient temperature to support combustion of the waste material. When this achieved, the fuel oil supply can be turned off. It will be appreciated that other starter fuels could be employed, for example methane/natural gas.
  • a tube 15 passes through the first end wall 2 to extend along the axis of the chamber 1 to pass through the centre of the outlet 9 and through the wall of the flue 10.
  • the tube 15 contains a second auger 16, driven by a variable- speed electric motor 17, to convey material from a secondary feed hopper 18 to a discharge chute 19 for collection of any residual material in a container 20.
  • the tube 15 is provided with a plurality of apertures therethrough along the uppermost part of the tube for the release of any gases into the combustion chamber.
  • the tube and the auger are suitably formed of a heat resistant steel or possibly of a ceramic material or a combination of such materials.
  • combustion apparatus of the invention can be used in either of two modes:
  • the dried material is collected in the container 20, while in the second case the combustion residue or ash is collected.
  • the apparatus as illustrated has the feed of solid waste material at the upper side of the first end wall 2, it will be appreciated that the feed could be positioned at the lower part of the end wall or at an intermediate position.
  • the combustion air inlet can also be positioned below or above the central axis of the chamber.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)

Abstract

La présente invention concerne un appareil de combustion comprenant une chambre de combustion (1) dotée d'une paroi cylindrique qui s'étend entre des première et seconde parois d'extrémité (2, 3). Une entrée d'alimentation (4) pour matériau combustible s'étend à travers la première paroi d'extrémité (2) ou à travers la paroi cylindrique adjacente à la première paroi d'extrémité, et une sortie de gaz de combustion (9) traverse le centre de la seconde paroi (3). Une entrée d'air (12) est reliée à une soufflante (11), ladite entrée d'air s'étendant à travers la paroi cylindrique afin de diriger un flux d'air, en décalage de l'axe longitudinal central de la chambre de manière à provoquer un écoulement autour de la paroi cylindrique au sein de la chambre. Un tube (15) s'étend axialement le long de la chambre et à travers le centre de la sortie de gaz de combustion (9), ledit tube (15) contenant une vis sans fin (16) permettant de transporter une matière particulaire à partir d'une alimentation (18) située à l'extérieur de la chambre puis à travers la première paroi d'extrémité (2) afin de l'évacuer hors de la chambre. L'appareil peut être utilisé pour le séchage de matériau ou pour la combustion de matériau supplémentaire.
PCT/GB2017/050423 2016-02-18 2017-02-17 Brûleur WO2017141051A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1602878.9A GB2547454A (en) 2016-02-18 2016-02-18 Burner
GB1602878.9 2016-02-18

Publications (1)

Publication Number Publication Date
WO2017141051A1 true WO2017141051A1 (fr) 2017-08-24

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PCT/GB2017/050423 WO2017141051A1 (fr) 2016-02-18 2017-02-17 Brûleur

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Country Link
GB (1) GB2547454A (fr)
WO (1) WO2017141051A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT202200008948A1 (it) * 2022-05-03 2023-11-03 Girolami S R L Sistema di combustione di biomassa con metodo di adduzione sorgivo

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3835451A1 (de) * 1988-10-18 1990-04-19 Heinz Bergmann Verfahren und vorrichtung zur temperaturbehandlung von abfaellen
DE4317412A1 (de) * 1993-05-18 1994-11-24 Wegner & Co Verfahrenstechnik Anlage zur thermischen Behandlung von kohlenstoffhaltigem Material
CA2421462A1 (fr) * 2002-03-08 2003-09-08 Malcolm D. Lefcort Gazeifieur et bruleur de dechets humides a deux etages
WO2015033170A1 (fr) * 2013-09-09 2015-03-12 M G H Recycling Limited Appareil de combustion pour la combustion de matériaux recyclables ou de déchets

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2198519B (en) * 1986-12-04 1990-10-03 John Hall Improved solid fuel burner
US5846072A (en) * 1994-09-19 1998-12-08 Merichem Company Indirect-fired, all ceramic pyrochemical reactor
GB2359874B (en) * 2000-02-29 2003-12-31 Andrew William Webster Gasification auger

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3835451A1 (de) * 1988-10-18 1990-04-19 Heinz Bergmann Verfahren und vorrichtung zur temperaturbehandlung von abfaellen
DE4317412A1 (de) * 1993-05-18 1994-11-24 Wegner & Co Verfahrenstechnik Anlage zur thermischen Behandlung von kohlenstoffhaltigem Material
CA2421462A1 (fr) * 2002-03-08 2003-09-08 Malcolm D. Lefcort Gazeifieur et bruleur de dechets humides a deux etages
WO2015033170A1 (fr) * 2013-09-09 2015-03-12 M G H Recycling Limited Appareil de combustion pour la combustion de matériaux recyclables ou de déchets

Also Published As

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GB201602878D0 (en) 2016-04-06
GB2547454A (en) 2017-08-23

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