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WO2010031088A2 - Dispositif de cuisson destiné à être utilisé avec des combustibles solides ou semi-solides - Google Patents

Dispositif de cuisson destiné à être utilisé avec des combustibles solides ou semi-solides Download PDF

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Publication number
WO2010031088A2
WO2010031088A2 PCT/ZA2009/000084 ZA2009000084W WO2010031088A2 WO 2010031088 A2 WO2010031088 A2 WO 2010031088A2 ZA 2009000084 W ZA2009000084 W ZA 2009000084W WO 2010031088 A2 WO2010031088 A2 WO 2010031088A2
Authority
WO
WIPO (PCT)
Prior art keywords
burner
solid
orifices
openings
semisolid
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.)
Ceased
Application number
PCT/ZA2009/000084
Other languages
English (en)
Other versions
WO2010031088A8 (fr
WO2010031088A3 (fr
Inventor
Richard James Pocock
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2010031088A2 publication Critical patent/WO2010031088A2/fr
Anticipated expiration legal-status Critical
Priority to ZA2011/02468A priority Critical patent/ZA201102468B/en
Publication of WO2010031088A3 publication Critical patent/WO2010031088A3/fr
Publication of WO2010031088A8 publication Critical patent/WO2010031088A8/fr
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D5/00—Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel
    • F23D5/02—Burners in which liquid fuel evaporates in the combustion space, with or without chemical conversion of evaporated fuel the liquid forming a pool, e.g. bowl-type evaporators, dish-type evaporators
    • F23D5/04—Pot-type evaporators, i.e. using a partially-enclosed combustion space
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
    • F23B20/00—Combustion apparatus specially adapted for portability or transportability
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24C—DOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C5/00—Stoves or ranges for liquid fuels
    • F24C5/20—Stoves or ranges for liquid fuels with special adaptation for travelling, e.g. collapsible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
    • F23D2900/05001—Burner using gel type fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M2900/00—Special features of, or arrangements for combustion chambers
    • F23M2900/05004—Special materials for walls or lining

Definitions

  • the invention related to a cooking device for use with solid or semi-solid fuels.
  • Paraffin cookers are the most popular due to the low price of the device and the relatively inexpensive and readily available paraffin fuel.
  • Paraffin fuelled stoves have various other negative side effects such as Respiratory (breathing) illnesses caused by the fumes and smoke.
  • paraffin as a fuel in these burners.
  • the most stable and most successful fuel to be devised for this purpose is an ethanol based semi solid fuel.
  • the gel burns without difficulty and is very stable and therefore relatively safe.
  • the fumes and smoke released from burning has less adverse effects from those of paraffin.
  • a burner for solid or semisolid fuel including a plurality of orifices located around the shell at or near the combustion zone, characterised in that the orifices have axes at an angle to the tangent at the orifices and are configured to deflect the air being drawn into the burner in a direction around the inside curvature of the burner.
  • the configuration is adapted to cause the air to swirl in the burner at or near the combustion zone and the air may follow a spiral path in the burner at or near the combustion zone
  • the orifices may be pressed inwardly into the wall of the burner at an angle to the tangent at the orifice to form opposed lips one extending inwardly and the other outwardly of the burner
  • the orifices may have a tear drop shape in the plane of the angle
  • the orifices may be angled or orientated or otherwise adapted to produce a spiral effect as air is drawn through the orifices to replace the gases of combustion.
  • the burner may include a shell which has corresponding or registering openings.
  • the openings in the shell may be manipulated to allow less air into the pathway and thereby cause a dampening effect on the spiral effect and subsequently on the heat of the flame.
  • Relative rotation of the shell and the container allows the openings to move between a first position in which the openings are registering and a second position in which they are closed and intermediate positions to regulate the size of the openings.
  • the chamber may comprise a substantially circular metal container which is treated to withstand high heat. In the preferred form the container is treated with an enamel based paint which is baked onto the container.
  • a burner includes a stand which is adapted to support the burner above ground level.
  • the stand is a tripod which includes three upwardly extending members for supporting the burner.
  • the burner rests on a base formed by horizontally extending members of the tripod while the upwardly extending members hook over the top lip of the outer container for a secure fit.
  • Figure 1 is an isometric view of a burner according to the invention
  • Figure 2 is a top view of the burner
  • Figure 3 is an exploded isometric view of the burner.
  • Figure 4 is an isometric side view of the combustion chamber
  • Figure 5 is a top view of the chamber
  • a burner 10 for use with solid or semi-solid fuels such as ethanol gel 11 includes an inner combustion chamber 12 and an outer container or shell 14.
  • the combustion chamber includes a series of orifices 16 which may be described as having a tear drop shape shaped in cross section, the orifices having axes at an angle to the tangent at the orifices and are configured to deflect the air being drawn into the burner in a direction around the inside curvature of the burner.
  • the configuration is adapted to cause the air to swirl in the burner at or near the combustion zone as indicated by the arrow A in Figure 5 and the air may follow a spiral path in the burner at or near the combustion zone
  • the orifices may be pressed inwardly into the wail of the burner at an angle to the tangent at the orifice to form opposed lips one extending inwardly and the other outwardly of the burner
  • the orifices may have a tear drop shape in the plane of the angle
  • the outer shell includes openings 18 corresponding to the orifices 16 in a first position in which they are in register and, on relative rotation of the container and the shell to vary the effective passageway to regulate the amount of air that is drawn therethrough.
  • a member (not shown) is provided for controlling the airflow through the openings in the shell.
  • the member may be in the form of a tight-fitting ring to cover all the openings.
  • the burner also includes a stand 20 and a partial lid 22 with an opening 24 for the flame.
  • the stand includes three legs 26 and members 28 to engage the burner on the lip 30 of the outer container.
  • the stand is adapted to support the burner above ground level as shown in the drawings.
  • the fuel in the combustion chamber is lit.
  • the flame consumes the oxygen in the combustion chamber and carbon dioxide and water is produced as the products of combustion.
  • Air is drawn through the openings and the orifices into the combustion zone. The air-flow causes a whirling effect in the combustion zone and subsequently a continual accelerated air supply. This causes a warmer and more effective flame.

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)
  • Gas Burners (AREA)
  • Cookers (AREA)

Abstract

L'invention concerne un réchaud 10 pour combustibles solides et semi-solides comme un combustible gélifié à base d'éthanol, comportant une chambre 12 dotée d'ouvertures 16 placées suivant un certain angle dans ses parois latérales afin de provoquer un effet de rotation ou de tourbillon lorsque le combustible brûle, les gaz de combustion étant remplacés par de l'air aspiré à travers les ouvertures 16. Cet effet amène la flamme à émettre plus de chaleur, rendant le réchaud ou le dispositif de cuisson plus efficace. Le réchaud comprend également une coque extérieure 14 dotée d'ouvertures 18 correspondantes. Il est possible de faire pivoter indépendamment ladite coque 14 afin d'agir sur la taille des ouvertures 16 de la chambre 12, et par conséquent sur la chaleur émise par la flamme.
PCT/ZA2009/000084 2008-09-11 2009-09-11 Dispositif de cuisson destiné à être utilisé avec des combustibles solides ou semi-solides Ceased WO2010031088A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ZA2011/02468A ZA201102468B (en) 2008-09-11 2011-04-01 Cooking device for use with solid or semi-solid fuels

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ZA200807927 2008-09-11
ZA2008/07927 2008-09-11

Publications (3)

Publication Number Publication Date
WO2010031088A2 true WO2010031088A2 (fr) 2010-03-18
WO2010031088A3 WO2010031088A3 (fr) 2011-04-07
WO2010031088A8 WO2010031088A8 (fr) 2012-04-12

Family

ID=41462206

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ZA2009/000084 Ceased WO2010031088A2 (fr) 2008-09-11 2009-09-11 Dispositif de cuisson destiné à être utilisé avec des combustibles solides ou semi-solides

Country Status (2)

Country Link
WO (1) WO2010031088A2 (fr)
ZA (1) ZA201102468B (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012000562A1 (fr) * 2010-07-02 2012-01-05 Schwoererhaus Kg Brûleur éthanol, destiné en particulier à brûler du bioéthanol
ITUD20110168A1 (it) * 2011-10-21 2013-04-22 Univ Degli Studi Udine Stufa pirolitica

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE480438A (fr) *
DE403850C (de) * 1923-05-04 1924-10-07 Meta A G Heizbrenner fuer Metaldehyd
US2255929A (en) * 1935-03-04 1941-09-16 Columbus Metal Products Inc Thermally controlled oil burner
US2357587A (en) * 1942-02-25 1944-09-05 Swartzbaugh Mfg Company Oil burner
FR1331743A (fr) * 1962-08-13 1963-07-05 Perfectionnement apporté aux pots de combustion pour fuel domestique
FR1367756A (fr) * 1963-06-27 1964-07-24 Dispositif à réchaud pour le maintien en température d'aliments disposés sur desplats et des assiettes
US4775437A (en) * 1985-07-26 1988-10-04 Toyotomi Kogyo Co., Ltd. Process of forming cylinder wall of burning cylinder for use in heating apparatus
DE102008012794B3 (de) * 2008-03-05 2009-08-20 Auerhahn Bestecke Gmbh Feuerungseinrichtung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012000562A1 (fr) * 2010-07-02 2012-01-05 Schwoererhaus Kg Brûleur éthanol, destiné en particulier à brûler du bioéthanol
ITUD20110168A1 (it) * 2011-10-21 2013-04-22 Univ Degli Studi Udine Stufa pirolitica

Also Published As

Publication number Publication date
ZA201102468B (en) 2012-07-25
WO2010031088A8 (fr) 2012-04-12
WO2010031088A3 (fr) 2011-04-07

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