EP0750160A2 - Ölbefeuerter Brenner - Google Patents

Ölbefeuerter Brenner Download PDF

Info

Publication number
EP0750160A2
EP0750160A2 EP96304630A EP96304630A EP0750160A2 EP 0750160 A2 EP0750160 A2 EP 0750160A2 EP 96304630 A EP96304630 A EP 96304630A EP 96304630 A EP96304630 A EP 96304630A EP 0750160 A2 EP0750160 A2 EP 0750160A2
Authority
EP
European Patent Office
Prior art keywords
oil
channel
well
fired apparatus
fired
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.)
Withdrawn
Application number
EP96304630A
Other languages
English (en)
French (fr)
Other versions
EP0750160A3 (de
Inventor
Richard John Smith
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.)
Don Heating Products Ltd
Original Assignee
Don Heating Products Ltd
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 Don Heating Products Ltd filed Critical Don Heating Products Ltd
Publication of EP0750160A2 publication Critical patent/EP0750160A2/de
Publication of EP0750160A3 publication Critical patent/EP0750160A3/de
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23D—BURNERS
    • F23D3/00—Burners using capillary action
    • F23D3/02—Wick burners

Definitions

  • the invention relates to an oil-fired apparatus.
  • One previous form of oil-fired apparatus comprises a base member having a central well which receives oil from a supply and which is surrounded by an annular channel which supports a wick.
  • the wick lies between annular shells supported by the base member.
  • the well is connected to the channel by one or more radial passageways via which oil from the well can be supplied to the wick.
  • an oil-fired apparatus comprising a well for oil and a channel for supporting a wick which is fed with the oil from the well, the channel having a surface which, in use, lies beneath the oil level in the apparatus and which defines an opening directly above the well to allow oil from the well to enter the channel and feed the wick.
  • the channel may be endless and is preferably annular. In such a case the well is preferably offset from the centre of the annulus.
  • Two upwardly extending perforated shells may be provided, one on each side of the channel. Where the channel is annular, the channel and shells may be concentric.
  • Closure means may be provided to close an upper end of the inner shell to prevent air escaping therethrough.
  • the apparatus may include air inlet means for admitting air into the apparatus.
  • the well and channel may be formed in a base member. Where shells are provided, they may be supported by the base member.
  • a plurality of channels may be provided, each channel having a said surface which, in use, lies beneath the oil level in the burner apparatus and which defines an opening directly above the well to allow oil from the well to enter the channel.
  • the burner comprises an annular base member 46 which has walls 47, 49 defining an annular channel 48.
  • the base member 46 has a well 12 arranged off-centre of the base member towards an edge thereof.
  • the well 12 has an inlet port 11 for diesel oil and an outlet port 50 in an upper part thereof directly beneath the channel allowing direct fluid communication between the well 12 and the annular channel 48.
  • the base member 46 has three mounting lugs 39 equispaced around its periphery.
  • the walls 47, 49 have respective shoulders 47a, 49a at their upper ends.
  • the shoulders 47a, 49a support inner and outer shells 27, 29 respectively.
  • the shells 27, 29 are formed with a multiplicity of perforations 28, eg. of approximately 2mm in diameter.
  • the inner shell 27 may have an unperforated cylindrical inner shroud (32a) (shown in broken lines) located therewithin and mounted thereto by means of an annular mounting flange 33a secured to the upper end of the shroud 32a as viewed in Fig. 1.
  • the flange 33a has an upwardly extending out-turned section 34a which rests on the upper edge of the inner shell 27.
  • the inner shroud 32a is spaced inwardly of the inner shell 27 so as to define a passageway 35a for air A.
  • the flange 33a closes the upper end of the passageway 35a.
  • An inlet 36a to the passageway 35a is defined between the lower edge of the shroud 32a and the wall 47.
  • An unperforated cylindrical outer shroud 32b may be arranged around the outer shell 29.
  • the shroud 32b is mounted on the outer shell 29 in similar manner to the way in which the inner shroud 32a is mounted on the inner shell 27.
  • the outer shroud 32b is spaced from the outer shell 29 so as to define a passageway 35b for air.
  • the flange 33b closes the upper end of passageway 35b.
  • An inlet 36b for the passageway 35b is defined between the lower edge of the shroud 32b and the wall 49.
  • a cylindrical wick 37 is located in the annular channel 48, so as to extend around the well 12.
  • a circular base restrictor 52 extends from a top wall of the well 12 across the space defined by the annular base member 46.
  • An annular top restrictor 54 is mounted above an annular opening 56 defined between the shells 27, 29, and through which combustion gases can leave the burner.
  • the restrictors 52, 54 restrict the flow of air through the burner.
  • the top restrictor 54 also aids combustion of unburned fuel in the combustion gases.
  • the burner of Fig. 1 is mounted in an appliance such as a boiler by means of the lugs 39.
  • Fuel F is fed to the well 12 from a supply (not shown).
  • the fuel fills the well 12 and rises within the annular channel 48 to the level indicated at L.
  • the oil is absorbed by the wick 37 and during operation of the burner is maintained at level L.
  • Fuel F on the wick 37 is ignited, air entering the burner via openings 36a, 36b, up the passageways 35a, 35b and through the perforations 28 in shells 27, 29.
  • shrouds 32a, 32b are provided, the shells 27, 29 are heated by the burning oil and the shrouds 32a, 32b minimise the heat loss from the shells 27, 29.
  • the burner is thus maintained at a sufficient temperature to burn diesel oil effectively.
  • the burner produces a flame which burns until almost the top of the shells 27, 29 which reduces problems of carbonization.
  • the base member 46 can be produced more easily than the base of our previous design as there is no need to utilise radial passageways.
  • the base 46 will be made of cast iron and the shells 27, 29 and where provided, the shrouds 32a, 32b will be made from sheet metal such as stainless steel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Wick-Type Burners And Burners With Porous Materials (AREA)
EP96304630A 1995-06-22 1996-06-21 Ölbefeuerter Brenner Withdrawn EP0750160A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9512738 1995-06-22
GB9512738A GB2302585B (en) 1995-06-22 1995-06-22 An oil-fired apparatus

Publications (2)

Publication Number Publication Date
EP0750160A2 true EP0750160A2 (de) 1996-12-27
EP0750160A3 EP0750160A3 (de) 1998-01-14

Family

ID=10776515

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96304630A Withdrawn EP0750160A3 (de) 1995-06-22 1996-06-21 Ölbefeuerter Brenner

Country Status (2)

Country Link
EP (1) EP0750160A3 (de)
GB (1) GB2302585B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2317221B (en) * 1996-09-02 2000-03-15 Don Heating Products Ltd Oil fired apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB816204A (en) * 1955-04-04 1959-07-08 Leonard William Levey Improvements in fuel oil burning appliances
GB407864A (en) * 1932-07-30 1934-03-29 Gilbert & Barker Mfg Co Improvements in oil burners
GB519191A (en) * 1938-09-16 1940-03-19 John Power Considine Improvements relating to oil burners
GB846408A (en) * 1957-12-09 1960-08-31 Oil Equipment And Engineering Improvements in oil-burning space-heating appliances
GB877097A (en) * 1959-07-22 1961-09-13 Lion Stamping Company Ltd Improvements relating to vaporised oil burners
GB882922A (en) * 1959-09-18 1961-11-22 Valor Co Ltd Improvements in burners for oil fuel
GB9412534D0 (en) * 1994-06-22 1994-08-10 Don Eng South West Ltd Oil-fired burner

Also Published As

Publication number Publication date
GB9512738D0 (en) 1995-08-23
GB2302585A (en) 1997-01-22
GB2302585B (en) 1998-11-25
EP0750160A3 (de) 1998-01-14

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