• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Summary 90
    公开号:SE1250973A1
    申请号:SE1250973
    申请日:2012-08-31
    公开日:2014-03-01
    发明作者:Baard Lindstroem；Sara Marie Loegdberg；Paula Beneyto Satorres；Frank Pieter Jannis De Groote
    申请人:Reformtech Heating Holding Ab；
    IPC主号:
    专利说明:

    2G Method and apparatus for combustion Background Cíonveritionai combustorsihurners of liquid fuels (like diesei and gasolinei, are normaliyOperating with a diffusion fiame, in which the liquid fuel is evaporated directiy during thecombustion at the flame front which encapsulates the liquid iuei (usually droplets from aninjector spray), resultiiig in high local ternperatures which in turn ieads to high emissions ofsoot and nitroos oxides (NOx), that :are formed at the interface between the fuei and flarneand can resuit in the poilution of the environment uniess expensive cieawup inethods areapplied to the com bustor.
    Summary of the invention ln the niethod and annaratus according to the invention, a solution for completeevaporation and rnixing of the liquid fuel with air is provided, which results in a cleanhornogeneous combustion of the fuei at iower temperatures and conditions that resuit iniower emissions and complete comloustion of the fuel, including elimination of carbon rnonoxide through the perfect niixing of air and fuel during the cornbustion process.
    Qescriptioit of the invention in one embodiinent the comhustion reactor (1) [Figure li comprises a pluralšty, suitablethree reaction :ones (A, B and C), in which A is the iniection zone (wiiere rnixing andevaporation takes piece), where the fuel is ínjected into the combustion chamber, mixedwith air while undergoing gas phase evaporation. Zone A is separated from zone B by a flowconstriction plate (3) designed for recirculation of hot cornbustion products into theinjection zone A. Zone B and C are hoinogeneous oombustion zones separated by a rnixing device (7) for stagednhoniogeneotis conibustion of evaporated fuel and air. ln operation, the liquid fuel is iniected into zone A of the combustion chamher 1, by meansof a high pressure nozzle (10) that operates in the region of 3~2G bars of over pressure wherethe fuel is mixed with air that is continuously introducecl axiaily to the comhustion chamher(l) by a swirier (2), tßvhich inay he of the radiai or axiai type [figure Za and Zb), that producesa swirl strength in the range of 015-25, Thereby, a swirler 2, comprises a swirler base iia, andswirler elements 4h, fiic. in the radial type the swirler elements Lib are provided as “hiades” protruding inwards in thecornbustion chainher at an angle and disposed along a circle concentric with the peripheryof the swirlei' base fila. in the axial type the swirler eiements 4c are provided as "blades"which are located »within an iniet portion heiore entry into the combustion chamberf' lbA:lnfogas på sidan 1 enligt markering:< Figure 1 schematically illustrates an apparatus;Figure 2a shows a radial swirler type;Figure 2b shows an axial swirler type; and Figure 3 shows an alternative constriction plate > B:lnofgas på sidan 1 enligt markering: < Strypningsplattan 3 är lämpligen försedd med en konvex kon 9 för att förbättrarecirkuleringen av förbränningsprodukterna in i insprutningszonen A. >
    权利要求:
    Claims (3)
    [1] 1. Claims: What is claimed is: 1. A combustion apparatus for providing a homogeneous combustion of liquid fuels, 6comprising a combustion chamber (1) having a plurality of reaction zones (A, B, C), one of which is an injection (mixing and evaporation) zone (A), characterized by 1. a swirler (2) for mixing fuel and air configured to operate at a swirl number between 0.6-2.5 in combination with a flow constriction plate (3) where the 70size of the constriction is such that the ratio of the open diameter (de) of the constriction to the combustor diameter (d) is <0.7 and the constrictor plate (3) is placed at a distance 11 from the base of the swirler plate (4) so that L1/de > 1 2. a primary mixing device (7) is placed downstream from the constriction plate 7(3) at a distance (L2) from the constriction plate (3) so that the ratio L2/L1<1 to allow for maximum mixing of the homogeneous combustion process.
    [2] 2. The combustion apparatus according to claim 1, wherein the fuel is any of diesel and gasoline.
    [3] 3. The combustion apparatus according to claim 1, comprising a secondary mixing plate, 80to reduce the total length of the reactor through increased homogenization and/or with a catalyst to operate the process under partial or complete catalytic conditions 4. The combustion apparatus according to claim 1, configured such that in operation the fuel pressure is at an elevated pressure of 3-20 bars to optimize the evaporation in the injection zone 85. The combustion apparatus according to claim 1, wherein the constrictor plate (3) is provided with a convex cone (9), to improve the recirculation of the combustion products into the injection zone (A).
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    同族专利:
    公开号 | 公开日
    CN104822989B|2018-07-17|
    JP6329148B2|2018-05-23|
    EP2890932A4|2016-03-30|
    CN104822989A|2015-08-05|
    HUE035933T2|2018-05-28|
    EP2890932A1|2015-07-08|
    DK2890932T3|2017-09-18|
    PL2890932T3|2017-12-29|
    JP2015529790A|2015-10-08|
    WO2014035329A1|2014-03-06|
    SE537347C2|2015-04-07|
    EP2890932B1|2017-06-28|
    US20150260395A1|2015-09-17|
    US9857075B2|2018-01-02|
    引用文献:
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    SE1250973A|SE537347C2|2012-08-31|2012-08-31|Combustion apparatus|SE1250973A| SE537347C2|2012-08-31|2012-08-31|Combustion apparatus|
    JP2015529754A| JP6329148B2|2012-08-31|2013-08-30|Combustion device|
    PCT/SE2013/051021| WO2014035329A1|2012-08-31|2013-08-30|Method and apparatus for combustion|
    CN201380045345.2A| CN104822989B|2012-08-31|2013-08-30|Method and apparatus used for combustion|
    US14/424,523| US9857075B2|2012-08-31|2013-08-30|Method and apparatus for combustion|
    HUE13832823A| HUE035933T2|2012-08-31|2013-08-30|Method and apparatus for combustion|
    EP13832823.2A| EP2890932B1|2012-08-31|2013-08-30|Method and apparatus for combustion|
    PL13832823T| PL2890932T3|2012-08-31|2013-08-30|Method and apparatus for combustion|
    DK13832823.2T| DK2890932T3|2012-08-31|2013-08-30|METHOD AND APPARATUS FOR COMBUSTION|
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