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US20010044088A1 - Vaporizing burner - Google Patents

Vaporizing burner Download PDF

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Publication number
US20010044088A1
US20010044088A1 US09/887,316 US88731601A US2001044088A1 US 20010044088 A1 US20010044088 A1 US 20010044088A1 US 88731601 A US88731601 A US 88731601A US 2001044088 A1 US2001044088 A1 US 2001044088A1
Authority
US
United States
Prior art keywords
tube
combustion
liquid fuel
air
fireplace
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.)
Abandoned
Application number
US09/887,316
Other languages
English (en)
Inventor
Fernand Haag
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 US20010044088A1 publication Critical patent/US20010044088A1/en
Abandoned legal-status Critical Current

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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
    • F23D5/12—Details
    • F23D5/123—Inserts promoting evaporation
    • 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
    • F23D5/045—Pot-type evaporators, i.e. using a partially-enclosed combustion space with forced draft
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24B—DOMESTIC STOVES OR RANGES FOR SOLID FUELS; IMPLEMENTS FOR USE IN CONNECTION WITH STOVES OR RANGES
    • F24B1/00—Stoves or ranges
    • F24B1/18—Stoves with open fires, e.g. fireplaces
    • F24B1/1802—Stoves with open fires, e.g. fireplaces adapted for the use of both solid fuel and another type of fuel or energy supply 

Definitions

  • the present invention relates to a vaporizing burner and its feed, the burner being suitable for fitting to a closed fireplace enabling it to be transformed from a woodburning fireplace to a liquid fuel fireplace.
  • a closed woodburning fireplace presents constraints concerning the handling of fuel and cleaning the hearth which discourage continuous use.
  • the device of the invention makes it possible to remedy those drawbacks, e.g. for power in the range 2 kilowatts (kW) to 14 kW.
  • the first portion is the device for feeding fuel.
  • This device comprises a conventional feed (mini-tank, filter, solenoid valves, constant level vessel), an air-liquid separator, and an inclined double-walled tube that penetrates into the fireplace via the rear wall of the hood and whose final end is terminated at a point vertically above the center of the burner by two downwardly bent tubes of small diameter that are spaced apart by a few millimeters.
  • the portion of the tube outside the fireplace includes a cross enabling it to be filled with distilled water via a flexible transparent tube for monitoring water level, and for continuously monitoring pressure, by means of a conventional pressure gauge; the assembly as a whole forming a sealed radiator for cooling the inner portion.
  • the portion of the tube inside the fireplace is held by a larger-diameter tube terminated by a portion extending vertically downwards that protects the liquid fuel after it has left the feed tube.
  • this tube can be surrounded by a tube of greater diameter, or in its vertical portion by an air-water heat-recovering cooler of appropriate shape. This tube can pivot inside its support about the feed tube so as to leave the hearth unencumbered, e.g. while burning wood.
  • the continuous slope of the double-walled tube makes it possible firstly for liquid fuel to flow under gravity inside the small-diameter inner tube, and secondly to cool said fuel by a heat-pipe effect produced by demineralized water in the outer tube surrounding the fuel.
  • the water flows within the tube and cools the injector tube.
  • the temperature of the injector tube thus remains within highly acceptable limits.
  • a cold water pressure of about 0.5 bars is good on average.
  • This first portion is considered as being fixed relative to the fireplace.
  • the second portion which provides combustion is the assembly which is placed in the center of the hearth.
  • This assembly comprises two distinct portions.
  • the first is the box feeding the fresh air necessary for combustion.
  • This box is of a shape that is adapted to each type of fireplace so as to make the fireplace air inlet match the air inlet of the box.
  • the box contains a propeller type fan having a vertical axis which coincides with the liquid fall axis; this variable speed fan can be a low voltage fan.
  • the second portion is the hearth proper, which is placed vertically above the fan, on a circular stamped metal support standing on two rear adjustment screws situated at 120° from each other.
  • Its center has a vaporizing receptacle in the form of a “Mexican hat” placed thereon. It can be in one piece or in two.
  • the conical portion having a small angle at the apex receives the drops of liquid fuel and prevents them from splashing into the burner.
  • the receptacle is preferably made of ceramic glass and is easy to clean. It is centered by a circular piece having six rods, or by a stamping in the bottom of the burner.
  • a central tube prevents the drops of liquid fuel from coming into direct contact with the flames.
  • the simplest structure comprises the central wall with a bottom, all made of metal, placed on the outer wall of transparent ceramic glass.
  • An intermediate piece provides support and centering.
  • the combustion pot can be a commercially available stamping, such as a pressure cooker.
  • the outer wall makes it possible to see the reddening of the pot and the combustion at various spots through the air injection holes of the pot.
  • a more sophisticated structure comprises two walls of transparent ceramic glass giving a full view of combustion.
  • Vertical fins placed radially between the two walls serve to eliminate the turbulence effect due to the fan, where this effect can lead to poor combustion.
  • a metal sheet is spaced a few millimeters beneath the combustion pot and serves to protect the fan from the heat due to direct radiation emitted by the bottom of the pot.
  • a shape stamped out of sheet metal enhances air flow. Behind the hearth, a polished sheet metal portion in the form of a vertical axis circular arc reflects the light from the hearth in a forward direction.
  • thermocouples in the top of the hearth provide safety for the system, by acting on two normally-closed solenoid valves placed in series in the fuel circuit.
  • a contactor enables the two valves to be opened when lighting the fire.
  • Gravity feed can be replaced by a system using a variable flow rate micropump. Under such circumstances, it is no longer necessary to have the air-liquid separator.
  • the entire burner and fuel feed assembly can be a self-contained heating system without it necessarily being installed in a fireplace.
  • injector tube and coolers cooper, or better stainless steel
  • box aluminum alloy
  • hearth components refractory stainless steel or ceramic glass, stainless steel;
  • reflecting screen polished aluminum.
  • FIG. 1 is a general diagram of the installation.
  • FIG. 2 shows the fuel feed device
  • FIG. 3 comprises a left half-section showing the burner and its accessories together with the metal inside wall and the outer wall of transparent ceramic glass, and a right half-section showing a variant with two walls of transparent ceramic glass.
  • FIG. 4 is a section through the air-water heat-recovery cooler (minus its support and its connections).
  • the device comprises:
  • FIG. 1 a reflecting screen 47 , two centering screws 21 .
  • a fuel inlet 1 with its various accessories, an air-liquid separator 2 , a small-diameter injector tube 3 , a cooling tube 4 with its axial abutment, a pressure gauge 5 , a transparent tube 6 , a filling cock 7 , a valve coupling for setting level and for setting air pressure 8 , the wall of the fireplace hood 9 , a support 10 fixed on the hood by screws 11 and springs 12 , a two-part holding and protection tube 13 , a centering system 14 , a centering system 15 , a protective tube 16 , a centering system 17 , a protective tube 18 together with holding screws 19 therefor, two gaskets 29 , two downwardly bent outlets 30 .
  • FIG. 3 on the left-hand side, an air-feed box, a hearth support 20 , a fan 22 , a deflector 23 , a heat screen 24 , support legs 5 , a combustion pot 26 with its air injection holes at various levels, a receptacle 27 , a horizontal stamped disk 28 , disks of grid or expanded metal or perforated sheet metal 31 (with the number of these disks depending on the type of burner), a tube 32 , a circular stamped support 33 , peripheral spacers 34 on axes 35 , vertical peripheral radial fins 36 , a stamped ring 37 , a transparent ceramic glass tube 38 , two safety thermocouples 39 , and in a variant, on the right-hand side of FIG.
  • a heat-recovery cooler 49 (minus its support and its couplings).

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Evaporation-Type Combustion Burners (AREA)
  • Solid-Fuel Combustion (AREA)
US09/887,316 1998-12-31 2001-06-22 Vaporizing burner Abandoned US20010044088A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR9816790A FR2788107B1 (fr) 1998-12-31 1998-12-31 Dispositif adaptable a une cheminee a foyer ferme, transformant celle-ci en cheminee a combustible liquide
FRFR98/16790 1998-12-31
PCT/FR1999/003194 WO2000040899A1 (fr) 1998-12-31 1999-12-17 Bruleur a gazeification

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/FR1999/003194 Continuation WO2000040899A1 (fr) 1998-12-31 1999-12-17 Bruleur a gazeification

Publications (1)

Publication Number Publication Date
US20010044088A1 true US20010044088A1 (en) 2001-11-22

Family

ID=9534814

Family Applications (1)

Application Number Title Priority Date Filing Date
US09/887,316 Abandoned US20010044088A1 (en) 1998-12-31 2001-06-22 Vaporizing burner

Country Status (5)

Country Link
US (1) US20010044088A1 (fr)
EP (1) EP1147340A1 (fr)
AU (1) AU1665100A (fr)
FR (1) FR2788107B1 (fr)
WO (1) WO2000040899A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102434879A (zh) * 2011-12-08 2012-05-02 黄成源 壁炉燃烧装置
CN103939955A (zh) * 2014-05-04 2014-07-23 黔东南道燃新能源有限公司 环保气化猛火炉
CN112155695A (zh) * 2020-10-28 2021-01-01 河南省洛阳正骨医院（河南省骨科医院） 一种静脉血管穿刺辅助工具

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMO20130003A1 (it) * 2013-01-11 2014-07-12 Metalliq S R L Bruciatore a combustibile liquido per caminetti o simili

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1380261A (fr) * 1964-01-23 1964-11-27 Brûleur à mazout à évaporation muni d'une soufflante
FR2168996A1 (fr) * 1972-01-28 1973-09-07 Soulier Jean Luc
NL7713627A (en) * 1977-12-08 1979-06-12 Antwerp Construction Nederland High viscosity liq. burner for central heating boiler - has sleeve for gaseous coolant round feed pipe and liquid coolant pipe
BE886435A (fr) * 1980-12-01 1981-04-01 Pais Giuseppe Repariteur de flammes pour appareil de chauffage au gaz ou au mazout.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102434879A (zh) * 2011-12-08 2012-05-02 黄成源 壁炉燃烧装置
CN103939955A (zh) * 2014-05-04 2014-07-23 黔东南道燃新能源有限公司 环保气化猛火炉
CN112155695A (zh) * 2020-10-28 2021-01-01 河南省洛阳正骨医院（河南省骨科医院） 一种静脉血管穿刺辅助工具

Also Published As

Publication number Publication date
FR2788107A1 (fr) 2000-07-07
AU1665100A (en) 2000-07-24
WO2000040899A1 (fr) 2000-07-13
EP1147340A1 (fr) 2001-10-24
FR2788107B1 (fr) 2001-02-09

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Legal Events

Date Code Title Description
STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION