• 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:
    Um bei einer kombinierten Gasturbinen-Dampfturbinen-Anlage mit vorgeschalteter Kohlevergasungsanlage die Wärme des erzugten Rohgases im Sinne einer Optimierung des Wirkungsgrades der Gesamtanlage besser auszunutzen und gleichzeitig die Stickoxidbildung zu verringern, sind vor und hinter dem Rohgas-Reingas-W-rmetauscher (21) der Kohlevergasungsanlage ein Hochdruck- und ein Niederdruck-Dampferzeuger (19, 22) angeordnet, deren Dampf in den Kreislauf der Dampfturbinenanlagen eingespeist wird. Der Brennkammer (4) der Gasturbinenanlage wird außerdem der bei der Luftzerlegung in der Kohlevergasungsanlage anfallende Stickstoff vollständig zugeführt.
    公开号:SU1327795A3
    申请号:SU843737247
    申请日:1984-05-14
    公开日:1987-07-30
    发明作者:Гебель Конрад；Бекер Бернард
    申请人:Крафтверк Унион А.Г. (Фирма)；
    IPC主号:
    专利说明:

    evaporates the water supplied by the pump 30 from eiviKOCTH 1 1, the washing installation 25 and the installation 26 of the hydrogen sulfide compartment. The nitrogen obtained in block 15 is supplied to the combustion chamber (CS) 4 via an intermediate receiver 33 and compressor 34. In this case, nitrogen can be mixed into the purified gas before
    one
    The invention relates to power plant engineering and is used to generate electricity from gas and coal through a combined process in which the waste heat of a gas turbine is used for
    the subsequent steam process and gas is used as fuel from
    gasification installation coal.
    The aim of the invention is to increase the efficiency and reduce the concentration of carbon monoxide.
    The drawing shows a diagram of a combined power plant
    The combined unit consists of a gas turbine and steam turbine power units and a fuel gasification unit.
    The gas turbine power unit contains a gas turbine 1, an air compressor 2 and an electric generator 3. A combustion chamber 4 is connected to a gas turbine 1 with burner devices (not shown), the exhaust gas pipeline 5 of a gas turbine 1 is connected to a steam generator 6 of a steam turbine power unit containing turbines 7 and 8, high and low pressure, respectively, for driving the electric generator 9. A capacitor 10, feed water tank 1 and feed water pump 12 are connected in series in the steam turbine power unit circuit.
    The coal gasification unit contains a gas generator. 13, to which the oxygen removal pipe 14 from the air decomposition unit 15 is connected. On line 14, an oxygen receiver 16 and a compressor 17 are successively placed. The inlet air decomposition unit 15 is connected to the air inlet of CS 4 or is supplied separately to the COP 4 burners. To improve the heat output T 19, the primary side of T 19 can branch off the gas pipeline 28, which takes back part of the raw gas to the cooling zone of the gas generator 13 3 s, p. f-ly, 1 ill.
    to the compressor 2 of the gas turbine 1 and also for the additional supply of the required air to the starting compressor 18.
    A high pressure heat exchanger 19 is connected in series to the gas generator 13 and connected via a heated medium at the inlet to the feedwater tank 11 of the steam turbine power unit via a pump 20 and pipe 21, and at the outlet pipe 22 to a steam line between the steam generator 6 and high pressure turbine 7.
    A high-pressure gas heat exchanger 23, a low-pressure heat exchanger 24, and a hydrogen sulfide separation unit 26 are connected in series with the high pressure exchanger 19, connected to the sulfur production unit 27. Gas pipeline 28-generated gas is connected to the combustion chamber 4 of the gas turbine power unit.
    The high pressure heat exchanger 19 is provided with a bypass 29 included in the gas line 28, and the low pressure heat exchanger 24 is connected via a heated medium at the inlet to the feed water tank 11 by means of a pump 30, and at the outlet a pipe 31 to the low pressure turbine 8. The pipeline 32 for venting nitrogen from the air decomposition unit 15 is connected to the gas line 28 by the combustion chamber 4 or to the burner devices (not shown) of the latter by means of the successively installed receiver 33 and compressor 34.
    Combined power plant operates as follows.
    The oxygen received in the air decomposition unit 15 is supplied through
    313
    the receiver 16 and the compressor 17 to the gas generator 13, where gas is generated from the fuel (coal) entering it. The generated gas passes through a high-pressure heat exchanger 19, where it heats and evaporates the feed water supplied by the pump 20 from the tank 11, a gas heat exchanger 23 in which it heats the purified gas, a low pressure heat exchanger 24 where it heats and evaporates the feed water, supplied by the pump 30 from the tank 11, the washing unit 25 and the installation 26 of the hydrogen sulfide compartment. The purified generated gas, heated in the gas heat exchanger 23, enters the combustion chamber 4 of the gas turbine power unit.
    The nitrogen produced in the air decomposition unit 15 is supplied via compressor 34 to the combustion chamber 4. At the same time, nitrogen can be added to the cleaned gas before entering the combustion chamber 4 or separately sent to the burners of the combustion chamber 4 of the gas turbine.
    The oxygen escaping from the air decomposition unit 15 is supplied to the oxygen compressor 17 through an oxygen-receiving intermediate pressure tank 16 located between the air decomposition unit 15 and the oxygen compressor 17.
    Similarly, the nitrogen produced in the air decomposition unit 15 is supplied to the nitrogen compressor 34 through a pressurized nitrogen intermediate receiver 33.
    To improve the heat output of the high-pressure heat exchanger 19, a gas pipeline 28 may be connected along the primary side of this heat exchanger, which drains back part of the raw gas cooled to (approximate value) in the cooling zone of the gas generator 13.
    权利要求:
    Claims (4)
    [1]
    Claim 1. Combined power plant with gas turbine steam turbine power units and gasification installation
    VNINPI Order 3398/58 Circulation 481 - Subscription Proizv.-polyr. pr-tie, Uzhgorod, st. Project, 4
    954
    a fuel in which a gas turbine power unit containing an air compressor, a combustion chamber with burners, a gas turbine with an electric generator, is connected to exhaust gas gases of a gas turbine to a steam generator of a steam turbine power unit having a high and low pressure steam turbines with an electric generator, a condenser, and a feedwater pump, wherein the gasification unit comprises an air decomposition unit with nitrogen and oxygen venting pipelines, a gas generator. Connected on the inlet side to the oxygen removal pipeline, and on the outlet side via a gas pipeline with a high pressure heat exchanger and a gas heat exchanger in series with it — to the combustion chamber of the gas turbine unit, the high pressure heat exchanger (heating medium) has a bypass, and steam generator of a steam turbine power unit, characterized in that, in order to increase efficiency and reduce the concentration of carbon monoxide, the installation is additionally equipped with heat exchange ICOM low pressure connected on the heating medium to the gas after the gas heat exchanger and the outlet for heated medium - to the low pressure steam turbine, the outlet conduit nitrogen air separation unit is connected to the gas before the combustion chamber or to burners latter.
    [2]
    2. The installation according to claim 1, characterized in that it is provided with a receiver for the latter and a compressor sequentially arranged on the oxygen exhaust pipe.
    [3]
    3. Installation on PP. 1 and 2, characterized in that it is provided with a nitrogen receiver and compressor, successively placed on the nitrogen withdrawal pipe,
    [4]
    4. Installation on PP. 1-3, characterized in that the bypass of the high-pressure heat exchanger is included in the gas pipeline.
    类似技术:
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    同族专利:
    公开号 | 公开日
    DK159734B|1990-11-26|
    AU2879984A|1984-12-06|
    EP0148973A3|1986-02-05|
    DK265684D0|1984-05-30|
    IE55155B1|1990-06-06|
    BR8402605A|1985-04-30|
    FI76626B|1988-07-29|
    DE3319711A1|1984-12-06|
    FI841837A0|1984-05-08|
    IE841350L|1984-11-30|
    AT30260T|1987-10-15|
    ZA844113B|1984-12-24|
    ES8503075A1|1985-02-01|
    DK159734C|1991-04-22|
    FI76626C|1988-11-10|
    MX158912A|1989-03-29|
    IN159916B|1987-06-13|
    JPS59231112A|1984-12-25|
    DE3466791D1|1987-11-19|
    EP0148973B1|1987-10-14|
    NO163152B|1990-01-02|
    NO163152C|1990-04-11|
    FI841837A|1984-12-01|
    UA7137A1|1995-06-30|
    NO842058L|1984-12-03|
    EP0148973A2|1985-07-24|
    GR82054B|1984-12-13|
    US4651519A|1987-03-24|
    ES532943A0|1985-02-01|
    DK265684A|1984-12-01|
    AU570684B2|1988-03-24|
    CA1238195A|1988-06-21|
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    WO2009046522A1|2007-10-10|2009-04-16|Goraczko Adalbert W|Method of retrofitting a coal based power plant with steam gasification|
    CN102759265B|2012-07-12|2014-08-06|西安交通大学|Brown coal predrying power generation system integrated with absorption heat pump|
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    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    DE19833319711|DE3319711A1|1983-05-31|1983-05-31|COMBINED GAS TURBINE-STEAM TURBINE PLANT WITH UPstream COAL GASIFICATION PLANT|
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