Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
  • F23B50/00—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone
  • F23B50/02—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone the fuel forming a column, stack or thick layer with the combustion zone at its bottom
  • F23B50/08—Combustion apparatus in which the fuel is fed into or through the combustion zone by gravity, e.g. from a fuel storage situated above the combustion zone the fuel forming a column, stack or thick layer with the combustion zone at its bottom with fuel-deflecting bodies forming free combustion spaces inside the fuel layer
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
  • F23B10/00—Combustion apparatus characterised by the combination of two or more combustion chambers
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
  • F23B5/00—Combustion apparatus with arrangements for burning uncombusted material from primary combustion
  • F23B5/04—Combustion apparatus with arrangements for burning uncombusted material from primary combustion in separate combustion chamber; on separate grate
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
  • F23B80/00—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel
• • 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 
  • F23C6/00—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion
  • F23C6/04—Combustion apparatus characterised by the combination of two or more combustion chambers or combustion zones, e.g. for staged combustion in series connection
• • 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
  • F23L15/00—Heating of air supplied for combustion
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E20/00—Combustion technologies with mitigation potential
  • Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Definitions

• the present invention relates to a combustion device comprising a combustion reactor and a postcombustion of the gases resulting from the combustion of combustible materials.
• the present invention relates to a combustion device comprising a combustion chamber, a primary reactor and a gas suction and exhaust pipe, for which the gas suction and exhaust pipe passes through the primary reactor. More particularly, the primary reactor opens into an afterburner chamber and the suction tube and gas exhaust through the primary reactor discharges the afterburner gas from the afterburner.
• the gas suction and exhaust tube is concentric with the primary reactor.
• This configuration makes it possible to heat the oxidant by licking said tube, which is advantageously concentric with the combustion reactor.
• This device also makes it possible to pass the afterburner gases through the evacuation tube itself subjected externally to the heat of the primary combustion.
• the combustion chamber is a primary combustion chamber receiving the fuel connected to the afterburner by the primary reactor.
• the exhaust gases are burned by venturi effect at the outlet of the gases.
• a traditional fan-type suction system carries out the suction of the gases out of the suction and exhaust tube.
• said suction and exhaust tube is configured so that the exhaust of the burnt gases becomes autonomous by the chimney effect once the combustion is started.
• the primary reactor preferably comprises intake ports through which the oxidant is sucked.
• the reactor is also advantageously provided with lights arranged around the primary reactor and through which the oxidant comes into contact with the fuel disposed in the combustion chamber.
• FIG. 1 an embodiment of a reactor according to the invention in section
• FIG. 2 an exemplary embodiment of a primary reactor for the reactor of FIG. 1
• FIG. 3 an exemplary embodiment of an improved reactor according to the invention
• FIG. 4 a cutaway perspective view of a combustion vessel and a primary reactor according to a particular embodiment of the invention
• Figure 5 a schematic sectional view of an exemplary embodiment of an improved afterburner chamber.
• the present invention relates to a combustion device comprising a combustion reactor and an afterburner chamber, an example of which is shown in FIG. 1. It comprises a combustion chamber 1, a primary combustion reactor 2, a fresh gas inlet consisting of a first lights, intake ports 5 of the primary reactor 2. The oxidizer (air) is sucked through the air inlets formed by the inlet ports 5 of the primary reactor 2 and comes into contact with the fuel
• the combustion chamber 1 is connected to the afterburner chamber 7 by the primary reactor 2.
• the flames and the combustion gases 8 arrive from the primary reactor 2 in the afterburner chamber 7.
• the device according to the example comprises a tube 4 for exhaust and gas evacuation concentric with the tube of the primary reactor 2.
• This arrangement makes it possible to heat the oxidant by licking the gas exhaust tube, concentric tube to the primary combustion reactor 2.
• This device also makes it possible to pass the afterburner gases through the evacuation tube itself subjected externally to the heat of the primary combustion.
• the poor gases produced in the combustion chamber 1 can either be reintroduced into the primary combustion reactor 2 or be recovered for another use.
• the exhaust 9 of the flue gas 12 may be effected by a venturi effect or by a conventional suction system type fan.
• the operating principle of the device is as follows: The suction 9 of the flue gases 12 is started.
• the fuel 11 is introduced into the combustion chamber 1 and at start-up, it is ignited by an external supply of fire produced either by a gas burner, fuel oil or other energy 10, flame introduced into an air inlet 5 of the primary reactor , either directly in the combustion chamber 1 such that a fire is lit.
• the combustion reaction occurs through the second lumens 3 and is performed around the exhaust tube 4 afterburner gas.
• the combustion contributes to the heating of the gas evacuation tube 4 and the gas evacuation tube, passing inside the primary reactor tube 2, rises in temperature and warms, at the inlet of the primary reactor 2, the oxidant (air) entering through the intake ports 5.
• the combustion is improved by the heating of the oxidizer (air) by (e) gas evacuation tube 4.
• the afterburning gases 12 are better burned because they pass through the evacuation tube 4 mounted red during the passage of the primary reactor 2.
• the poor gases produced in the combustion chamber 1 can either be reintroduced into the primary combustion reactor 2 or be recovered for another use.
• the adjustment of the combustion is carried out by more or less sealing of the openings 3 present on the primary reactor tube 2,
• the air inlet ports 5 at the beginning of the primary reactor tube may be more or less closed to increase or reduce the amount of oxidant (air) introduced into the primary reactor 2 and the adjustment of the suction power of the gases of the reactor. post-combustion 12 accelerates or slows down combustion.
• one or more adjustable air inlets 6 are advantageously made on the end of the primary reactor tube 2.
• the afterburner chamber 7 is joined sealingly to the tube of the primary reactor 2.
• the installation operates in horizontal, vertical or oblique position, the only need being to change the position of the combustion chamber 1 load.
• FIG. 3 represents an improved device according to the invention for which the tank is equipped with a tube 13 made of refractory steel equipped with a worm 14, to supply products to be dried and / or to undergo pyrolysis, allowing certain products to be dried and subjected to pyrolysis.
• the tube is loaded outside the tank by means of a tank 24, the product passing through the tank and opening in the upper part of the reactor primary.
• the steam emitted during drying is then sucked by the vacuum and burns.
• the worm is rotated by a motor 25.
• Figure 4 shows an improvement of the combustion vessel.
• the primary reactor by its configuration, allows the pyrolysis of a fuel in its upper part. This pyrolysis allows a perfect combustion but, depending on the products, can create a "vault" that can block the descent of the fuel.
• the device comprises means for grinding the fuel which comprise at least one tubular mandrel 15 passing through the vessel 1 and are equipped with mixing means 16.
• the fuel grinding means are composed of two tubular mandrels 15.
• FIG. 5 corresponds to an improved embodiment of the afterburner chamber 7.
• This improved afterburner comprises firstly the addition of an adjustable air inlet 17 directly in the afterburner chamber to allow the total combustion of certain fuels requiring more oxidant than the others, for example tires.
• This air inlet is adjustable according to the example by a valve 26.
• the improved chamber comprises secondly the addition of a device for regulating the temperature of the afterburner chamber by creating a vacuum 21 between the chamber 7 itself and a thermal insulator 20 surrounding it, and the addition of means for blowing fresh air into this vacuum 21 between the outer walls of the tank surrounding the chamber 7 and internal of the thermal insulation and thereby cooling the surrounding vessel (a chamber 7.
• This device is particularly useful for reducing the temperature of the tank surrounding the afterburner chamber 7 during the combustion of used tires or other products that can raise the temperature of this tank to more than 1260 ° C while the materials may constitute the tank are optionally limited in temperature, for example a material such as refractory steel does not support more than 1200 ° which requires limiting the temperature of the tank.
• the temperature control device makes it possible to control the temperature of the tank of the afterburner chamber 7 when it reaches or exceeds the critical temperature thresholds for the materials constituting it (1200 ° for refractory steel as previously seen).
• the means for blowing air into the vacuum 21 are made according to the example by a first conduit 19 open on the outside, a fan 18 for adjusting the amount of air admitted and a conduit 23, air intake itself disposed between the fan and the chamber 7.
• the recovery via a duct 22 of this superheated air at the outlet of the vacuum can further participate in the production of an energy recovery device.
• the device represented in FIGS. 3 and 4 comprises a recovery tank 27.
• the primary combustion chamber 1 receiving the fuel 11 may be cylindrical, square, conical or oval, rectangular or parallelepipedic
• the primary reactor 2 may itself be cylindrical, square, truncated conical, oval, rectangular or parallelepipedal and pierced with lights 3 allowing the contact of the fuel 11 and the oxidizer (air) of any round, oval, rectangle, square, parallelepiped geometric pattern
• the gas evacuation tube 4 and disposed within this primary reactor 2 may be cylindrical, square, truncated conical, oval, rectangle or parailelepiped or any other section.

Landscapes

• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Thermal Sciences (AREA)
• Incineration Of Waste (AREA)
• Solid-Fuel Combustion (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=35839020

Family Applications (1)

Country Status (6)

Cited By (1)

Families Citing this family (1)

Citations (1)

Family Cites Families (10)

• 2005
  • 2005-05-31 FR FR0505513A patent/FR2886377B1/fr not_active Expired - Fee Related
• 2006
  • 2006-05-18 PT PT103483A patent/PT103483A/pt not_active IP Right Cessation
  • 2006-05-22 ES ES200601323A patent/ES2333922B1/es not_active Withdrawn - After Issue
  • 2006-05-31 EP EP06794473A patent/EP1896772A2/de not_active Withdrawn
  • 2006-05-31 US US11/915,792 patent/US20090286191A1/en not_active Abandoned
  • 2006-05-31 WO PCT/FR2006/050496 patent/WO2007003830A2/fr not_active Ceased

Patent Citations (1)

Also Published As

Similar Documents

Legal Events