EP1389286B1 - Solid fuel burning method and heating boiler - Google Patents

Solid fuel burning method and heating boiler Download PDF

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Publication number
EP1389286B1
EP1389286B1 EP02764106A EP02764106A EP1389286B1 EP 1389286 B1 EP1389286 B1 EP 1389286B1 EP 02764106 A EP02764106 A EP 02764106A EP 02764106 A EP02764106 A EP 02764106A EP 1389286 B1 EP1389286 B1 EP 1389286B1
Authority
EP
European Patent Office
Prior art keywords
air
combustion chamber
zone
combustion
fuel
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.)
Expired - Lifetime
Application number
EP02764106A
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German (de)
English (en)
French (fr)
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EP1389286A1 (en
Inventor
Edmundas Strupaitis
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Individual
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Publication of EP1389286A1 publication Critical patent/EP1389286A1/en
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Publication of EP1389286B1 publication Critical patent/EP1389286B1/en
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Classifications

    • 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
    • F23L1/00—Passages or apertures for delivering primary air for combustion 
    • 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
    • F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel 
    • F23L9/02—Passages or apertures for delivering secondary air for completing combustion of fuel  by discharging the air above the fire

Definitions

  • the present invention is of the field of heating techniques and relates to a method of the air feed and distribution in combustion chamber and boiler for central heating.
  • the boiler also supplies hot water for domestic purpose.
  • an incinerator of sectional structure which has an airpipe for sending combustion air into a furnace.
  • the airpipe is a straight pipe tapered off at end portion and closed by a plug.
  • the airpipe is also inserted into a furnace through a hole opened on an upper furnace wall.
  • the air is fed into an airpipe by a fan.
  • Combustion air spouts through the airpipe holes and burns fuel, in this case refuse (see patent EP 0636840A1 ).
  • This air feed and distribution in combustion chamber method and combustion device are suitable for safe and intensive refuse firing but it is not effective for long - duration economic fuel burning.
  • a burner for burning, granular, pellet or similarly sized solid heating fuel includes a retort in which solid fuel is ignited and burned.
  • a peripheral electrical igniter is included within the retort for initiating self-sustaining combustion of the solid fuel at its uppermost surface.
  • Combustion air is supplied centrally within the retort and is emitted radially outward for burning solid fuel evenly across its uppermost surface.
  • the object of the present invention is to propose a method of air feed and distribution in a combustion chamber, which will allow simplifying construction of heating boiler.
  • the heating boiler comprises a combustion chamber, which a double wall has a reservoir filled with water to be heated, a smoke outlet opening, a fuel charging means, ash removal openings with door, a water inlet and a water outlet, wherein the combustion chamber is installed vertically and is of the shape of a rounded or polygon cylinder, on the top of which there is a hole, with an air feeding tube able to slide freely up and down with an air distributor at the end of said tube resting on the fuel surface in the combustion chamber, wherein the air distributor is hollow and is of disc shape, on the upper zone of which there is a tip for its connection to the air feeding tube, and on the lower zone of which there is a cone head; On the peripheral zone of the air distributor, on the tip, at the narrow end of the cone head and at its sides there are holes, communicating with the internal cavity of the air distributor.
  • the said purpose is achieved by feeding air into the combustion chamber by a tube from above, the tube has an air distributor at the end, which rests on the fuel, moves down when fuel volume in the combustion chamber decreases and the air is distributed as following: 40 - 60 % is supplied into the combustion zone, 10 - 30 % - onto the edges of the combustion zone, 20 - 40 % - above the combustion zone.
  • the heating boiler comprises of the main parts as the following: combustion chamber 1, air feeding tube 2, air distributor 3, cover 4 and air transmission cylinder 5 connected to it, protective housing 6 and heat insulating wrap 7.
  • the combustion chamber 1 is of the shape of a vertical cylinder and has double wall, i.e. internal 8 and external 9. The reservoir in the wall is filled with water 10.
  • In the upper part of the combustion chamber 1 there is an opening of smoke outlet 11 and a fuel charge opening 12.
  • Fuel charge and ash removal openings 12 and 13 have doors respectively to 14 and 15.
  • the top of the combustion chamber 1 is covered with a cover 4 and a transmission cylinder 5 is inside upper part of the combustion chamber 1.
  • the bottom of the transmission cylinder 5 has a partition prolonging the path of smoke up to the outlet opening 11.
  • the air feeding tube 2 is of telescopic construction striving to decrease its length (a tube of a less diameter is put into another tube of a larger diameter and is able to slide freely inside this tube).
  • the air feeding tube 2 shown in the drawing consists of three tubes of different diameters.
  • the air feeding tube 2 is put into the inside of the combustion chamber 1 via the hole in the bottom of the transmission cylinder 5.
  • the air distributor 3 is hollow and of disc shape. On its upper zone there is a tip 18, and on the lower zone - a cone head 19.
  • the air distributor 3 On the peripheral zone of the air distributor 3, on the tip 18 and at the narrow end and sides of the cone head 19 there are holes respectively to 3a, 18a, 19a and 19b, communicating with the internal cavity of the air distributor.
  • the air distributor 3 is connected to the internal air feeding tube 2a via the tip 18.
  • To the internal air feeding tube 2a there is a thin rope 20 attached which is led out into the exterior of the heating boiler through the cover 4 and over pulleys 21 and 22.
  • the heating boiler is mounted on the foundation 24 produced of bricks or fireproofing concrete. The drawing does not show any water inlet and water outlet.
  • the preparation of the heating boiler for combustion is as the following.
  • the air distributor 3 with the air feeding tube 2 is drawn (lifted) to the bottom of the transmission cylinder 5.
  • the door 14 is opened, and through the fuel charge opening 12 fuel is charged into the combustion chamber 1 up to its top; on the top there is kindling put; when the rope 20 is released the air distributor 3 rests on the kindling and the top part of fuel.
  • the heating boiler functions as the following.
  • the door 14 and valve 23 are opened, the kindling is fired through the fuel charge opening 12 and the door 14 is closed. During the burning of fuel its volume in the combustion chamber 1 is decreasing and the combustion zone is getting (sliding) down.
  • the air with the help of the air distribution 3 is distributed so that one part of air is directly supplied into the combustion zone through the holes 19a and 19b, the second part is supplied onto the edges of the combustion zone through the hole 3a, and the third air part is supplied above the air distributor 3 through the hole 18a.
  • the air supplied into the combustion zone through the cone head 19 (holes 19a and 19b) is used in CO generation, the air supplied through the hole 3a, is partly used for CO generation and partly for CO combustion, and the air supplied in through the hole 18a is used for CO combustion.
  • Air fed to the combustion chamber is distributed as the following: 40-60% is supplied into the combustion zone, 10-30% is supplied onto the edges of the combustion zone, 20-40% above the combustion zone.
  • the heating boiler described above burns fire - wood and other wooden craps, e.g. sawdust.
  • the power of the heating boiler depends on the area of the combustion chamber cross - section, time of combustion - on the height of combustion chamber. Intensity of fuel combustion may be defined manually or by automatic monitoring of the draught gauge by opening or closing the valve 23.
  • the method for feeding and distributing air in a combustion chamber as proposedabove may be applied to heating equipment with various powers.

Landscapes

  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Solid-Fuel Combustion (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Air Supply (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Incineration Of Waste (AREA)
  • Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
  • Combustion Of Fluid Fuel (AREA)
  • Fluidized-Bed Combustion And Resonant Combustion (AREA)
  • Wick-Type Burners And Burners With Porous Materials (AREA)
EP02764106A 2001-04-19 2002-04-12 Solid fuel burning method and heating boiler Expired - Lifetime EP1389286B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
LT2001044 2001-04-19
LT2001044A LT4998B (lt) 2001-04-19 2001-04-19 Kieto kuro deginimo būdas ir šildymo katilas, kuriame šis būdas įgyvendintas
PCT/LT2002/000003 WO2002086390A1 (en) 2001-04-19 2002-04-12 Solid fuel burning method and heating boiler

Publications (2)

Publication Number Publication Date
EP1389286A1 EP1389286A1 (en) 2004-02-18
EP1389286B1 true EP1389286B1 (en) 2007-10-10

Family

ID=19721538

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02764106A Expired - Lifetime EP1389286B1 (en) 2001-04-19 2002-04-12 Solid fuel burning method and heating boiler

Country Status (9)

Country Link
EP (1) EP1389286B1 (lt)
AT (1) ATE375480T1 (lt)
DE (1) DE60222887T2 (lt)
EA (1) EA005303B1 (lt)
EE (1) EE04976B1 (lt)
LT (1) LT4998B (lt)
LV (1) LV13136B (lt)
PL (1) PL202124B1 (lt)
WO (1) WO2002086390A1 (lt)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT6387B (lt) 2015-09-25 2017-04-25 Štrupaitienė Elena Šildymo katilas
RU236713U1 (ru) * 2025-05-05 2025-08-18 Олег Григорьевич Кушнир Печь-обогреватель для жизнеобеспечения населения в районах наводнений с магнитным транспортировочным креплением

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT5542B (lt) 2007-04-25 2009-01-26 Edmundas Štrupaitis Šildymo katilas
LT5644B (lt) 2008-06-10 2010-03-25 Algimantas Butkus Kietojo kuro katilas
RU2431780C2 (ru) * 2009-06-23 2011-10-20 Общество с ограниченной ответственностью Завод "Ферингер и К" Печь
RU2417341C2 (ru) * 2009-06-23 2011-04-27 Общество с ограниченной ответственностью Завод "Ферингер и К" Способ обеспечения горения топлива
RU2429419C2 (ru) * 2009-09-17 2011-09-20 Общество с ограниченной ответственностью "Завод Ферингер и К" Печь
LT5785B (lt) 2010-02-03 2011-11-25 Stanislav ZACHAŽEVSKI Kieto kuro katilas su gravitaciniu kuro padavimu
RU2459145C1 (ru) * 2011-03-25 2012-08-20 Владимир Александрович Илиодоров Способ сжигания твердого топлива и отопительный прибор для его осуществления
WO2013055285A1 (en) * 2011-10-12 2013-04-18 Ecomb Ab (Publ) Combustion chamber supply device and method thereof
RU2502019C1 (ru) * 2012-06-25 2013-12-20 Владимир Александрович Илиодоров Распределитель воздуха твердотопливного отопительного прибора верхнего горения (варианты)
LT5954B (lt) 2012-07-26 2013-07-25 Arūnas NEČIONIS Įvairaus biokuro padavimo ir deginimo sistema bei jos veikimo būdas
LT6094B (lt) 2013-07-10 2014-11-25 Uab "Vakaro Rasa" Viršutinio degimo šildymo prietaisas
RU2525755C1 (ru) * 2013-08-08 2014-08-20 Максим Юрьевич Ваганов Отопительный аппарат верхнего горения
RU2546365C1 (ru) * 2013-10-29 2015-04-10 Владимир Александрович Илиодоров Отопительный котёл длительного горения
RU2561351C1 (ru) * 2014-01-20 2015-08-27 Владимир Александрович Илиодоров Устройство подачи воздуха в отопительных приборах верхнего горения
RU2598617C1 (ru) * 2015-03-27 2016-09-27 Константин Евгеньевич Бессонов Отопительный котел
RU176869U1 (ru) * 2016-04-06 2018-01-31 Максим Юрьевич Ваганов Комбинированный отопительный аппарат верхнего горения
RU171801U1 (ru) * 2017-03-29 2017-06-16 Апетян Павел Мкртычевич Поршень для печи
RU2698343C2 (ru) * 2017-12-28 2019-08-26 Общество с ограниченной ответственностью "Стропува" Портативная печь
RU2709257C1 (ru) * 2019-09-10 2019-12-17 Апетян Павел Мкртычевич Печь
RU2719290C1 (ru) * 2019-10-01 2020-04-17 Апетян Павел Мкртычевич Система верхнего горения печи

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH182328A (de) * 1935-03-01 1936-02-15 Mueller Albert Automatischer Brenner für Kleinkohle.
CH222759A (fr) * 1940-10-31 1942-08-15 Leon Blanchoud Pierre Dispositif régulateur de marche d'un foyer.
US4823710A (en) * 1987-10-13 1989-04-25 Canadian Liquid Air Ltd.- Air Liquide Canada Ltee. Non-peripheral blowing of oxygen-containing gas in steam generating boilers
US4782765A (en) * 1987-10-26 1988-11-08 Mcc Research & Development Corporation Pellet fuel burner
JPH0756371B2 (ja) * 1992-02-21 1995-06-14 熱技研工業株式会社 焼却炉
LT4588B (lt) 1998-01-06 1999-12-27 Antanas Edmundas Skabickas Šildymo įrenginys
DE10021434A1 (de) * 1999-05-03 2000-12-21 E T R En Technik Und Recycling Verbrennungsanlage
AT3840U1 (de) * 1999-07-21 2000-08-25 Beckmann Georg Dr Verfahren zum verbrennen und vergasen von festen biomassen in einem brennraum

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
LT6387B (lt) 2015-09-25 2017-04-25 Štrupaitienė Elena Šildymo katilas
RU236713U1 (ru) * 2025-05-05 2025-08-18 Олег Григорьевич Кушнир Печь-обогреватель для жизнеобеспечения населения в районах наводнений с магнитным транспортировочным креплением

Also Published As

Publication number Publication date
PL202124B1 (pl) 2009-06-30
EA005303B1 (ru) 2004-12-30
LT2001044A (lt) 2002-11-25
LT4998B (lt) 2003-02-25
EE200300508A (et) 2004-02-16
EE04976B1 (et) 2008-02-15
DE60222887T2 (de) 2008-07-24
DE60222887D1 (de) 2007-11-22
LV13136B (en) 2004-05-20
ATE375480T1 (de) 2007-10-15
WO2002086390A1 (en) 2002-10-31
PL368070A1 (en) 2005-03-21
EA200301136A1 (ru) 2004-04-29
EP1389286A1 (en) 2004-02-18

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