US3738103A - Power plant process - Google Patents

Power plant process Download PDF

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Publication number
US3738103A
US3738103A US00066257A US3738103DA US3738103A US 3738103 A US3738103 A US 3738103A US 00066257 A US00066257 A US 00066257A US 3738103D A US3738103D A US 3738103DA US 3738103 A US3738103 A US 3738103A
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steam
gas
turbine
cracked
boiler
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US00066257A
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English (en)
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P Rudolph
E Kapp
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GEA Group AG
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Metallgesellschaft AG
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C3/00—Gas-turbine plants characterised by the use of combustion products as the working fluid
    • F02C3/20—Gas-turbine plants characterised by the use of combustion products as the working fluid using a special fuel, oxidant, or dilution fluid to generate the combustion products
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/22—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by decomposition of gaseous or liquid organic compounds
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/36—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using oxygen or mixtures containing oxygen as gasifying agents
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B3/00—Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen
    • C01B3/02—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen
    • C01B3/32—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air
    • C01B3/34—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents
    • C01B3/38—Production of hydrogen or of gaseous mixtures containing a substantial proportion of hydrogen by reaction of gaseous or liquid organic compounds with gasifying agents, e.g. water, carbon dioxide, air by reaction of hydrocarbons with gasifying agents using catalysts
    • C01B3/386—Catalytic partial combustion
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01K—STEAM ENGINE PLANTS; STEAM ACCUMULATORS; ENGINE PLANTS NOT OTHERWISE PROVIDED FOR; ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
    • F01K3/00—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein
    • F01K3/18—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters
    • F01K3/188—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters using heat from a specified chemical reaction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency
    • Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines

Definitions

  • the cracked, compressed gas may also be fully ex- 56] References Cited panded in a gas turbine to perform work and thereafter combusted and a portion of the hot combustion gas UNITED STATES PATENTS therefrom is fed to a boiler to generate steam to drive a steam turbine and the balance is recycled to an exter- 60/ nally heated cracker and then to the boiler. 3:304:712 2/1967 Pacault et al. 60/39.l8 B 4 Claims, 3 Drawing Figures .lL 9 g m PMENIED 3.738.103
  • the present invention relates to a power plant process in which hydrocarbon-containing, liquid or gaseous fuels are fired.
  • FIG. 1 is a flow diagram illustrating the power plant process of this invention
  • FIG. 2 is a flow diagram illustrating an alternate embodiment of the power plant process of this invention.
  • FIG. 3 is a flow diagram illustrating another alternate embodiment of the power plant process of this invention.
  • the feed hydrocarbons may be thermally or catalytically cracked with steam in an endothermic reaction with an indirect supply of heat, e.g., in a tubular heater.
  • the cracking may be effected in an autothermic process with steam and an addition of oxygen or air'or mixtures thereof and carbon dioxide may also be admixed to the'feed mixture.
  • the power plant process according to the invention is characterized in that the fuel before being burnt is cracked with steam and under a pressure which is higher than the pressure in the combustion chamber to produce a gas which is high in CO and H and is expanded to perform work in a gas turbine before it is admitted to the combustion chamber.
  • the fuel consists preferably of hydrocarbon mixtures which can be cracked with steam by the known steam reforming process and are either available at a pressure which is higher than the pressure in the combustion chamber or can be pressurized to said elevated pressure.
  • the operation according to the invention may seem to involve an uneconomical complication of the power plant process.
  • the factors range from 2.6 to 3.
  • Liquid hydrocarbons can be pressurized to a higher pressure by a pump having a capacity which corresponds to the liquid volume.
  • the work of compression is required to pressurize gaseous hydrocarbons to that higher pressure unless said gases are available under a sufficiently elevated pressure, such as is the case, e.g., with natural gas and with some exhaust gases from refineries.
  • the expanded gas may be supplied in the process according to the invention to a steam boiler power plant or a turbine power plant. Both embodiments are shown by way of Example in FIGS. 1 to 3 in flow schemes.
  • the process of'the invention involves expansion of a cracked gas produced under pressure prior to being fed to a steam turbine power plant.
  • the power plant to which the cracked gas produced under pressure is admitted is a gas turbine power plant.
  • the plant according to FIG. 1 comprises a cracking reactor 4, a gas turbine 6, which drives an air compressor 7 and an electric generator 8, a steam boiler 11, a steam turbine 12 provided with a condenser 13, and an electric generator 14.
  • the cracking reactor consists of a shaft furnace which is filled with a cracking catalyst, e.g., a nickel catalyst on a magnesia support.
  • a cracking catalyst e.g., a nickel catalyst on a magnesia support.
  • the feed hydrocarbons used as a fuel are subjected to autothermic cracking with steam, which is extracted by a conduit 3 from a medium-pressure outlet of the stem turbine 12, and with an addition of air.
  • the fuel itself is supplied through conduit 1.
  • Air is pressurized in the compressor 7 to the pressure in the cracking reactor and is supplied through conduit 2 to the reactor 4 to supply the heat required for the endothermic crack reaction.
  • Fuel, steam and air are mixed in known manner as or before they enter the cracking reactor.
  • the cracked gas produced in the cracking reactor 4 is conducted through conduit 5 to the turbine 6 and expanded in the latter to the ambient pressure.
  • the work performed by the turbine is expended in the air compressor 7 and the electric generator 8.
  • the cracked gas which has been expanded and cooled flows from turbine 6 through a conduit 17 to the combustion chamber of the steam boiler 11 and is burnt therein with air which has been preheated in known manner by a utilization of waste heat and is supplied through conduit 9.
  • the flue gas is exhausted through conduit 10.
  • the steam which is generated in the steam boiler 11 flows in conduit 16 to a multi-stage steam turbine 12, from which part of the steam is extracted behind the first stage under the pressure which is required to crack the fuel in the reactor 4.
  • the remaining steam is expanded to ambient pressure in the second stage of the steam turbine 12 and is then condensed in the condensor 13.
  • the inserted fuel is cracked under a much higher pressure so that the cracked gas which has been expandedcan be burnt under a higher pressure.
  • the plant shown in FIG. 2 consists of a cracking reactor 104, a first gas turbine 106 used to expand the cracked gas, a combustion chamber 112, a second gas turbine 113 fed with flue gas, a waste heat boiler 116, a steam turbine 118 provided with a condensor 119, air compressors 114 and 107 and electric generators 108, 115, 120.
  • the hydrocarbons fed as a fuel are supplied into the cracking reactor 104 through conduit 101.
  • the air which is required for autothermic cracking is sucked through conduit 121 by the first compressor 114, precompressed by the latter to the mean pressure in the combustion chamber, and conducted through a conduit 122 and a waste heat boiler 11], in which the heat of compression is utilized to produce the steam for the cracking reaction.
  • Part of the precompressed air is branched off behind the waste heat boiler 111 by a conduit 109 and supplied to the combustion chamber 112 of the second gas turbine.
  • the other part is supplied in conduit 123 to the second compressor 107, in which the air is compressed to the pressure of the cracking reaction and discharges the compressed air through conduit 102 to the cracking reactor 104, the steam for the cracking reaction is supplied from waste heat boiler 111 through conduit 103 to cracking reactor 104.
  • cracked gas produced under pressure flows from the cracking reactor in conduit 105 to the first gas turbine 106, in which the gas is expanded to an intermediate pressure to perform work.
  • the work is performed in the second air compressor 107 and the electric generator 108.
  • the cracked gas which has been expanded to intermediate pressure flows from the gas trubine 106 through the conduit 124 to the combustion chamber 112 of the second gas turbine and is burnt in the latter with precompressed air from conduit 109.
  • the resulting hot combustion flue gas is conducted in conduit to the second gas turbine 113 and is expanded therein to ambient pressure with performance of work.
  • the work performed in the gas turbine 113 is expanded in the first air compressor 114 and the electric generator 115.
  • the exhaust gas from the second gas turbine is conducted through conduit to the waste heat boiler 116 and is passed from the latter through conduit 110 to the chimney.
  • the steam produced in waste heat boiler 116 is passed in conduit 117 to the steam turbine 118 and is deposited behind the same in condenser 119.
  • the steam turbine 118 drives the electric generator 120.
  • the plant shown in FIG. 3 consists of a cracking reactor 204, a gas turbine 206, which drives an electric generator 208, a steam boiler 21 1 and a steam turbine 212, which is provided with a condenser 213 and drives an electric generator 214.
  • the cracking reactor 204 is an externally heated tubular heater, the tubes of which are filled with a cracking catalyst, e.g., a nickel catalyst on an alumina support, Hence, the hydrocarbons fed as fuel are cracked with steam and with a supply of sensible heat.
  • a cracking catalyst e.g., a nickel catalyst on an alumina support
  • Steam is extracted through a conduit 202 from an intermediate-pressure outlet of the steam turbine 212.
  • Fuel is fed through conduit 201.
  • Hot flue gas is supplied through conduit 203 and caused to flow around the cracking tubes to deliver part of its sensible heat.
  • the cracked gas produced in the cracking reactor 204 is supplied through conduit 205 to the turbine 206, which drives the electric generator 208.
  • the cracked gas which has been expanded in the turbine flows through a conduit 215 to a combustion chamber 207, in which it is burnt with air from conduit 209. Part of the flue gas flows through conduit 216 directly to the steam boiler 211.
  • the remaining flue gas is conducted in conduit 203 to the cracking reactor 204 and when it has delivered part of its sensible heat is also supplied to the steam boiler 211 through 217.
  • the cooled flue gas is exhausted from the steam boiler through conduit 218.
  • the steam which has been generated flows through conduit 210 into the turbine 212, in which part of the steam is extracted behind the first expansion stage and supplied through conduit 202 to the cracking reactor 204.
  • the remaining steam is completely expanded and condensed in condenser 213.
  • the turbine drives the electric generator 214.
  • EXAMPLE 1 CO; 5.6% by volume CO l0.l% by volume H, 30.3of by volume by 2 42.7% by volume H 0 l l.3% by volume Total: l00.0% by volume Heat due to calorific value Sensible heat 8060 kilocalories 965 kilocalories Total: 9025 kilocalories
  • the expanded gas is burnt with 7.2 standard cubic meters of air 9 to produce 13.13 standard cubic meters of flue gas 10, the heat of which is used to generate steam in a steam boiler 11.
  • the steam drives the steam turbine 12, which is provided with a condenser 13.
  • the steam turbine 12 drives the electric generator 14, which generates electric power.
  • a good steam process requires 2,200 kilocalories per kWh if all losses are taken into account Heat available in the gas Heat content of generated steam From the remainder of 9025 kilocalories 410 kilocalories 8615 kilocalories,
  • EXAMPLE 2 In the embodiment shown in FIG. 2, 1.17 standard cubic meters of methane 101 are also cracked in the cracking unit 104, which is supplied with 4 standard cubic meters air 102 and 0.754 standard cubic meters steam 103, In this case, cracking is effected under a pressure of 40 kilograms per square centimeter absolute pressure and at 820C on a catalyst.
  • the cracked gas contains methane in view of equilibrium requirements so that a small additional amount of methane passes through the cracking unit without being changed therein. This additional amount of methane has not been taken into account in the calculation because it does not change the basic process.
  • the above reference to 1.17 standard cubic meters of methane thus relates only to the methane which is completely cracked to form also 7.43 standard cubic meters of gas 105 having the same composition as in Example 1.
  • the pressure is reduced to kilograms per square centimeter absolute pressure in a gas turbine 106 so that a temperature of 540C. is obtained and 0.88 kWh are generated, 0.27 kWh of which are expended in the air compressor 107 so that 0.61 kWh of electric energy are generated in the electric generator 108.
  • the steam required in the cracking unit is generated in this case r in the waste heat boiler 111 from feed water heated turbine 113 and is expanded therein to ambient pressure, whereby a temperature of 390C is obtained.
  • the exhaust gases are cooled to C in a succeeding waste heat boiler 116 so that additional 6.7 kilograms of steam 117 under a pressure of 10 kilograms per square centimeter absolute pressure are generated.
  • a steam turbine 118 provided with a condenser 119 drives the lectric generator 120, which generates 1.14 kWh of electric energy.
  • the electric energy produced in the overall process thus amounts to 0.61 3.50 +1.14 5.25 kWh so that the heat rate is 1,900 kilocalories per kWh.
  • the total air requirement 121 amounts to 47.3 standard cubic meters.
  • EXAMPLE 3 A true comparison process may be carried out in the plant of FIG. 2. This comparison process begins in the combustion chamber 112 and comprises burning the 1.17 standard cubic meters methane directly with 54.4 standard cubic meters air 109 to produce 55.5 standard cubic meters flue gas 110, which is admitted to the gas turbine 113 at a temperature of 820C.
  • the flue gas is again cooled in the waste heat boiler 116 to generate 7.5 kilograms steam 117 under a pressure of 10 kilograms per square centimeter absolute pressure.
  • This steam is used to generate 1.28 kWh by means of a steam turbine 118, provided with the condenser 119, and of the electric generator 120.
  • the electric energy produced in the overall process thus amounts to 3.80 +1.28 5.08 kWh.
  • the heat rate of 1,970 kilocalories per hour is higher than in the process according to the invention.
  • the air requirement is also correspondingly higher.
  • EXAMPLE 4 In the embodiment shown in FIG. 3, 1.17 standard cubic meters methane 201 having a heat content of 10,000 kilocalories due to the net calorific value, are catalytically cracked under a pressure of 10 kilograms per square centimeter absolute pressure and at 820C in a tubular cracking unit 204 supplied with 3.06 standard cubic meters H 0 202 and with flue gas 203.
  • the flue gas supplied to the cracking unit delivers 4,050 kilocalories to the cracking reaction, which results in the formation of 657 standard cubic meters of moist gas 205 having the following composition:
  • the calorific value is 1,886 kilocalories per standard cubic meter.
  • This gas is admitted at 820C to the gas turbine 206, where it is expanded to ambient pressure.
  • the turbine performs work amounting to 1.18 kWh, and this work is expended in the electric generator 208 to generate electric energy.
  • the expended gas exhausted from the gas turbine is burnt in a combustion chamber 207 supplied with l 1.2 standard cubic meters air, whereby 15.34 standard cubic meters of hot flue gas are produced. 6.86 standard cubic meters of that flue gas are supplied through conduit 203 to cracking unit 204 and leave the latter by conduit 217 at about 900C and are further utilized in the steam boiler 211.
  • the remaining 8.57 standard cubic meters of flue gas directly enter the steam boiler.
  • the steam generated in the steam boiler drives the steam turbine 212, which is provided with a condenser 213.
  • the steam turbine 212 drives the electric generator 214, which generates electric energy.
  • the cracked gas has the following heat content:
  • Sensible heat 12,400 kilocalories 1,870 kilocalories Total: 14,270 kilocalories ered from the turbine 212 to the cracking unit has a heat content of 1,660 kilocalories so that the remainder which is available to generate electric energy amounts to 7,546 kilocalories and can be used in a good steam power process to generate 7,546:2,200 3.40 kWh.
  • Power plant process comprising a. cracking a fluid hydrocarbon fuel with steam and- /or air under pressure to form a gaseous mixture high in carbon monoxide and hydrogen;

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Health & Medical Sciences (AREA)
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US00066257A 1969-09-01 1970-08-24 Power plant process Expired - Lifetime US3738103A (en)

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DE19691944307 DE1944307A1 (de) 1969-09-01 1969-09-01 Turbinenkraftwerksprozess

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DE (1) DE1944307A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2059155A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1297712A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895488A (en) * 1973-01-25 1975-07-22 Siemens Ag Gas turbine
US4239693A (en) * 1979-06-22 1980-12-16 Foster Wheeler Energy Corporation Process for production of methanol
US4273743A (en) * 1978-11-02 1981-06-16 Texaco Inc. Combination chemical plant and Brayton-cycle power plant
US4313304A (en) * 1979-07-26 1982-02-02 The United States Of America As Represented By The United States Department Of Energy Radiant energy collection and conversion apparatus and method
FR2495606A1 (fr) * 1980-12-05 1982-06-11 Foster Wheeler Energy Corp Procede pour produire un produit de reaction brut, par exemple du methanol, par recuperation des gaz de vidange de l'etape de synthese
US4403601A (en) * 1979-07-26 1983-09-13 Hunt Arlon J Radiation receiver
US4617109A (en) * 1985-12-23 1986-10-14 The M. W. Kellogg Company Combustion air preheating
US4712610A (en) * 1986-11-28 1987-12-15 United Technologies Corporation Chemical heat pipe employing self-driven chemical pump based on a molar increase
US4900333A (en) * 1986-09-23 1990-02-13 Veg-Gasinstituut N.V. Method of carrying out a gas combustion process with recovery of a part of the heat present in the combustion gases
US5595059A (en) * 1995-03-02 1997-01-21 Westingthouse Electric Corporation Combined cycle power plant with thermochemical recuperation and flue gas recirculation
US5927063A (en) * 1997-08-19 1999-07-27 Exxon Chemical Patents Inc. High efficiency reformed methanol gas turbine power plants
US7077878B1 (en) * 1999-09-24 2006-07-18 Dr. Mühlen Gmbh & Co. Kg Method for gasifying organic materials and mixtures of materials
US20070295734A1 (en) * 2004-11-26 2007-12-27 Nissan Motor Co., Ltd. Thermal Insulating Container for a Heat Generating Unit of a Fuel Cell System
US20100232561A1 (en) * 2007-01-09 2010-09-16 Michael Joseph Boss Nuclear power generation method and system
US20110162380A1 (en) * 2010-01-04 2011-07-07 General Electric Company Method to increase net plant output of a derated igcc plant
US9346721B2 (en) 2013-06-25 2016-05-24 Exxonmobil Chemical Patents Inc. Hydrocarbon conversion

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CH623888A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1977-10-04 1981-06-30 Bbc Brown Boveri & Cie
CA1116415A (en) * 1978-01-03 1982-01-19 William W. Hoehing Process and apparatus for operating a gas turbine on vaporized fuel oil
GB2064006B (en) * 1979-11-24 1983-09-14 Rolls Royce Dual fuel system for a gas turbine engine
DE68914051T2 (de) * 1988-04-05 1994-07-21 Ici Plc Gasturbine.
US5165224A (en) * 1991-05-15 1992-11-24 United Technologies Corporation Method and system for lean premixed/prevaporized combustion
US7572183B2 (en) 2005-08-30 2009-08-11 Igt Gaming machine including redo feature

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US1659930A (en) * 1924-09-08 1928-02-21 Milon J Trumble Combined distilling and cracking process and apparatus therefor
US2960823A (en) * 1955-05-27 1960-11-22 Phillips Petroleum Co Process and apparatus for the improved combustion of liquid fuels
US3208832A (en) * 1961-12-15 1965-09-28 Combustion Eng Combination of regenerator and super-charged vapor generator
US3304712A (en) * 1963-11-09 1967-02-21 Pacault Pierre Henri Steam and gas turbine power plant
US3320154A (en) * 1963-05-29 1967-05-16 Michikazu Takeyoshi Method for cracking hydrocarbon products
US3325992A (en) * 1966-04-26 1967-06-20 Gen Electric Combined steam turbine gas turbine cycle
US3329605A (en) * 1963-07-23 1967-07-04 Michikazu Takeyoshi Gaseous phase cracking reaction methods
US3505811A (en) * 1968-09-23 1970-04-14 Gen Electric Control system for a combined gas turbine and steam turbine power plant

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1659930A (en) * 1924-09-08 1928-02-21 Milon J Trumble Combined distilling and cracking process and apparatus therefor
US2960823A (en) * 1955-05-27 1960-11-22 Phillips Petroleum Co Process and apparatus for the improved combustion of liquid fuels
US3208832A (en) * 1961-12-15 1965-09-28 Combustion Eng Combination of regenerator and super-charged vapor generator
US3320154A (en) * 1963-05-29 1967-05-16 Michikazu Takeyoshi Method for cracking hydrocarbon products
US3329605A (en) * 1963-07-23 1967-07-04 Michikazu Takeyoshi Gaseous phase cracking reaction methods
US3304712A (en) * 1963-11-09 1967-02-21 Pacault Pierre Henri Steam and gas turbine power plant
US3325992A (en) * 1966-04-26 1967-06-20 Gen Electric Combined steam turbine gas turbine cycle
US3505811A (en) * 1968-09-23 1970-04-14 Gen Electric Control system for a combined gas turbine and steam turbine power plant

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3895488A (en) * 1973-01-25 1975-07-22 Siemens Ag Gas turbine
US4273743A (en) * 1978-11-02 1981-06-16 Texaco Inc. Combination chemical plant and Brayton-cycle power plant
US4239693A (en) * 1979-06-22 1980-12-16 Foster Wheeler Energy Corporation Process for production of methanol
US4313304A (en) * 1979-07-26 1982-02-02 The United States Of America As Represented By The United States Department Of Energy Radiant energy collection and conversion apparatus and method
US4403601A (en) * 1979-07-26 1983-09-13 Hunt Arlon J Radiation receiver
FR2495606A1 (fr) * 1980-12-05 1982-06-11 Foster Wheeler Energy Corp Procede pour produire un produit de reaction brut, par exemple du methanol, par recuperation des gaz de vidange de l'etape de synthese
US4617109A (en) * 1985-12-23 1986-10-14 The M. W. Kellogg Company Combustion air preheating
US4900333A (en) * 1986-09-23 1990-02-13 Veg-Gasinstituut N.V. Method of carrying out a gas combustion process with recovery of a part of the heat present in the combustion gases
US4712610A (en) * 1986-11-28 1987-12-15 United Technologies Corporation Chemical heat pipe employing self-driven chemical pump based on a molar increase
US5595059A (en) * 1995-03-02 1997-01-21 Westingthouse Electric Corporation Combined cycle power plant with thermochemical recuperation and flue gas recirculation
US5927063A (en) * 1997-08-19 1999-07-27 Exxon Chemical Patents Inc. High efficiency reformed methanol gas turbine power plants
US7077878B1 (en) * 1999-09-24 2006-07-18 Dr. Mühlen Gmbh & Co. Kg Method for gasifying organic materials and mixtures of materials
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FR2059155A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-05-28
DE1944307A1 (de) 1971-03-11
NL7012588A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1971-03-03
GB1297712A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1972-11-29

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