• 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:
    1. A combustion device for an energy boiler with a series of pilot nozzles, each of which contains a housing with a cylindrical circular air duct equipped at the inlet with a control valve installed in the channel of the central control fuel nozzle on which an air blade is installed in the area of its mouth a swirler, and a coaxial aero mix feed manifold with an annular outlet nozzle, arranged around a control nozzle, consisting of coaxial shells having A pipe tangentially connected to the aero mix supply pipeline, while the inner diameter of the collector is equal to the outer swirler, characterized in that, in order to improve the quality of combustion when working on brown coal dust, the swirler is extended along the air course beyond the limits of the collector, its annular nozzle is widening. During the air mixture, the nozzle control is made to remove the Hoftif and the collector itself has a length of 2/3 of the length of the air channel. i 2. Method of operation of the combustion device for an energy boiler (L with a series of pilot nozzles by supplying an aerosy mixture of a fuel-like fuel and primary air to the annular collector, supplying secondary air flow to the cylindrical air channel of circular sections and oil to the central control nozzle, 4 4 O) characterized in that, in order to improve the quality of combustion when operating on a coal-fired coal, the content of pulverized fuel in the aero mix is maintained in a mass ratio to the primary air within 3-10, and injector control oschnost chosen equal to 4-6% 1oschnosti ignition nozzle.
    公开号:SU1144627A3
    申请号:SU823499613
    申请日:1982-10-12
    公开日:1985-03-07
    发明作者:Фойгт Карл；Камм Юрген；Йон Норберт
    申请人:Рейниш-Вестфелишес Электрицитетсверк Аг (Фирма)；
    IPC主号:
    专利说明:

    The invention relates to energy and can be used in various industries in the combustion of brown coal dust. Power boilers. A combustion device is known for an energy boiler with a series of power nozzles, each of which has a housing with a cylindrical circular air channel fitted with a control valve at the inlet, a central control fuel nozzle installed in the channel, in which an airborne swirler, and a coaxial collector for delivering an air mixture with a ring outlet nozzle, located around the control nozzle, consisting of coaxial shells having e. a distribution chamber tangentially connected to the pipeline for supplying an air mixture; The disadvantage of this furnace device is the impossibility of burning in it a high-quality brown coal drain. There is also known a method of operating a furnace device of an energy boiler with ignition nozzles 1 and by supplying an air mixture of pulverized fuel and primary air to the annular manifold, supplying secondary air flow to the cylindrical air channel of circular section and oil to the central control nozzle | j1. The disadvantage of this method of operation of the combustion device is also the impossibility of burning a high-quality brown coal drain. The aim of the invention is to improve the quality of combustion when working on brown coal dust. This goal is achieved by the fact that in a furnace for an energy boiler with a series of pilot nozzles, each of which contains a housing with a cylindrical circular air channel of the circular section, fitted at the entrance with a central control fuel nozzle, in which In the area of its mouth, an airborne vortex vortex is installed, and a coaxial collector for the delivery of an air mixture with an annular outlet nozzle, located around the control nozzle, consisting of coaxial shells having At the inlet there is a distribution chamber tangentially connected to the aero mix supply pipeline, the inner diameter of the collector being equal to the outer diameter of the swirl, the turbulence is drawn along the air course beyond the limits of the collector, its annular nozzle is expanding along the aero mix, the control nozzle is removable and the collector has a length of 2/3 of the length of the air channel. This goal is achieved by the fact that according to the method of operation of the furnace of an energy boiler with pilot nozzles by supplying a mixture of pulverized fuel and primary air to the annular collector, supplying secondary air flow to the cylindrical air channel of circular cross section and oil to the central control nozzle, the content of pulverized fuel in air mixtures are supported in mass ratio to the primary air within 3-10, and the power of the test nozzle is chosen equal to 4-6% of the power of combustion nozzles. FIG. 1 shows a heating nozzle of a furnace for an energy boiler, longitudinal section; in fig. 2 shows section A-A in FIG. 1. The heating nozzle includes a housing 1 with a cylindrical air duct 2 of circular cross section, equipped at the inlet with a control valve 3, a central control fuel nozzle 4 placed in the duct 2, on. which has an air vaned swirler 5 in its mouth area, and a coaxial collector 6 supplying an air mixture with an annular beneficial nozzle 7 located around the control nozzle 4, consisting of coaxial shells 8 and 9, having a distribution chamber 10 at the inlet, tangentially connected to supply pipe 11 air mixture, while the inner diameter of the collector 6 is equal to the outer diameter of the swirl 5. The swirl 5 is out of the collector 6, its annular nozzle 7 is made expanding along the air mixture, the control nozzle KA 4 is made removable, and the collector 6 ime31
    The length is 2/3 the length of the air channel 2.
    A flooring device for an energy boiler with a series of pilot nozzles operates as follows.
    In the pipeline supplying the aerosol mixture is fed - an aero mix of brown coal nipple with primary air. It enters the distribution chamber 10, from where through the collector 6 is supplied to the outlet nozzle 7 and exits to the combustion zone. Secondary air is supplied through the air duct 2, and the air is twisted.
    and 5 enters the combustion zone, and the oil is fed to the control nozzle 4. At the same time, the content of brown coal dust in the slurry is mass-wise relative to the primary one within 3-10, and the power of the control nozzle is equal to 4-6% of the power of the pilot nozzle. Thus, the invention allows to improve the quality of combustion when working on brown coal dust.
    Pu.t
    权利要求:
    Claims (1)
    [1]
    -TURNING DEVICE FOR POWER BOILER WITH A NUMBER OF BORING NOZZLES AND METHOD OF ITS OPERATION.
    (57) 1. A furnace device for a power boiler with a number of kindling nozzles, each of which contains a body with a cylindrical air channel of circular cross section, equipped with an inlet regulating flap, a central control fuel nozzle located in the channel, on which in the area of its mouth an air-bladed swirler is installed, and a coaxial collector of the air mixture with an annular output nozzle located around the control nozzle, consisting of coaxial shells having a distribution chamber at the inlet, connected to the air mixture supply pipeline, the inner diameter of the collector is equal to the outer diameter of the swirl, characterized in that, in order to improve the quality of combustion when working on brown dust, the swirl is removed along the air outside the collector, its annular nozzle is made expanding along the air mixture the control nozzle is removable ^ and the collector itself has a length of 2/3 of the length of the air channel.
    ί 2. The method of operation of the combustion device for an energy boiler with a number of ignition nozzles by feeding a mixture of pulverized fuel and primary air to the annular manifold, supplying a stream of secondary air to the cylindrical air duct of circular cross section and oil to the central control nozzle, characterized in that, with In order to improve the quality of combustion when working on brown coal dust, the content of pulverized fuel in the mixture is supported in a mass ratio to the primary air in the range of 3-10, and the power of the control noy nozzle is chosen to be 4-6H ignition power injector.
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    同族专利:
    公开号 | 公开日
    AU8756682A|1983-04-21|
    YU211182A|1986-12-31|
    PL139824B1|1987-02-28|
    IN158023B|1986-08-16|
    YU43526B|1989-08-31|
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    CA1199861A|1986-01-28|
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    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US1468008A|1922-11-18|1923-09-18|Charles W Dyson|Process of and apparatus for burning powdered fuel|
    US1953090A|1931-11-17|1934-04-03|Guysbert B Vroom|Burner for liquid or comminuted solid fuels|
    US2046767A|1932-05-25|1936-07-07|Sinclair Refining Co|Combustion apparatus|
    GB967275A|1961-03-08|1964-08-19|Babcock & Wilcox Ltd|Improvements in combustion apparatus|
    US3147795A|1961-12-27|1964-09-08|Combustion Eng|Burner utilizing an eddy plate for proper mixing of fuel and air|
    US3822654A|1973-01-08|1974-07-09|S Ghelfi|Burner for burning various liquid and gaseous combustibles or fuels|
    US4132180A|1975-07-31|1979-01-02|Fredrick William L|Apparatus and method for enhancing combustibility of solid fuels|
    US4147116A|1977-09-19|1979-04-03|Coal Tech Inc.|Pulverized coal burner for furnace and operating method|
    US4206712A|1978-06-29|1980-06-10|Foster Wheeler Energy Corporation|Fuel-staging coal burner|
    DE2933040C2|1979-08-16|1988-12-22|L. & C. Steinmueller Gmbh, 5270 Gummersbach, De|
    DE2933060C2|1979-08-16|1987-01-22|L. & C. Steinmueller Gmbh, 5270 Gummersbach, De|
    US4304196A|1979-10-17|1981-12-08|Combustion Engineering, Inc.|Apparatus for tilting low load coal nozzle|
    US4326702A|1979-10-22|1982-04-27|Oueneau Paul E|Sprinkler burner for introducing particulate material and a gas into a reactor|
    DE3125901C2|1981-07-01|1990-12-13|Deutsche Babcock Ag, 4200 Oberhausen, De|
    US4377134A|1981-08-03|1983-03-22|Combustion Engineering, Inc.|Steam temperature control with overfire air firing|
    US4457241A|1981-12-23|1984-07-03|Riley Stoker Corporation|Method of burning pulverized coal|
    US4434747A|1982-07-01|1984-03-06|Combustion Engineering, Inc.|Burner-tilt drive apparatus for a pulverized coal fired steam generator|
    US4438709A|1982-09-27|1984-03-27|Combustion Engineering, Inc.|System and method for firing coal having a significant mineral content|
    US4425855A|1983-03-04|1984-01-17|Combustion Engineering, Inc.|Secondary air control damper arrangement|FR2581444B1|1985-05-03|1988-11-10|Charbonnages De France|PROCESS FOR THE COMBUSTION OF FLUID FUELS AND A TURBULENCE BURNER SUITABLE FOR ITS IMPLEMENTATION|
    DD251476A3|1985-11-12|1987-11-18|Freiberg Brennstoffinst|COAL DUST BURNER|
    US4722287A|1986-07-07|1988-02-02|Combustion Engineering, Inc.|Sorbent injection system|
    US4930430A|1988-03-04|1990-06-05|Northern Engineering Industries Plc|Burners|
    IT1231511B|1989-09-08|1991-12-07|Ente Naz Energia Elettrica|IMPROVEMENTS IN A FUEL BURNER FOR A BOILER|
    AT176948T|1990-06-29|1999-03-15|Babcock Hitachi Kk|COMBUSTION DEVICE|
    US5588379A|1991-03-20|1996-12-31|Witteveen; Gustaaf J.|Mixing device and method for gaseous liquid of pulverised substances|
    DE4325643A1|1993-07-30|1995-02-02|Lentjes Kraftwerkstechnik|Burners for burning dusty fuel|
    US8105074B2|2008-06-30|2012-01-31|Praxair Technology, Inc.|Reliable ignition of hot oxygen generator|
    US8578965B2|2010-08-17|2013-11-12|Babcock & Wilcox Canada Ltd.|Device and method for supplying a sorbent|
    US20140157790A1|2012-12-10|2014-06-12|Zilkha Biomass Power Llc|Combustor assembly and methods of using same|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19813140798|DE3140798C2|1981-10-14|1981-10-14|Pilot burner for a power plant boiler|
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