Classifications

• • 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
  • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
  • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
  • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
  • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
• • 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
  • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
  • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
  • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
  • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
  • F01K23/103—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle with afterburner in exhaust boiler
• • 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
  • F01K1/00—Steam accumulators
  • F01K1/04—Steam accumulators for storing steam in a liquid, e.g. Ruth's type
• • 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
  • F01K13/00—General layout or general methods of operation of complete plants
  • F01K13/02—Controlling, e.g. stopping or starting
• • 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
  • F01K23/00—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids
  • F01K23/02—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled
  • F01K23/06—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle
  • F01K23/10—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle
  • F01K23/103—Plants characterised by more than one engine delivering power external to the plant, the engines being driven by different fluids the engine cycles being thermally coupled combustion heat from one cycle heating the fluid in another cycle with exhaust fluid of one cycle heating the fluid in another cycle with afterburner in exhaust boiler
  • F01K23/105—Regulating means specially adapted therefor
• • 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
  • F01K3/008—Use of steam accumulators of the Ruth type for storing steam in water; Regulating thereof
• • 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
  • F01K3/14—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having both steam accumulator and heater, e.g. superheating accumulator
• • 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
• • 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
  • F01K3/24—Plants characterised by the use of steam or heat accumulators, or intermediate steam heaters, therein having heaters with heating by separately-fired heaters
• • 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
  • F01K7/00—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating
  • F01K7/02—Steam engine plants characterised by the use of specific types of engine; Plants or engines characterised by their use of special steam systems, cycles or processes; Control means specially adapted for such systems, cycles or processes; Use of withdrawn or exhaust steam for feed-water heating the engines being of multiple-expansion type
  • F01K7/025—Consecutive expansion in a turbine or a positive displacement engine
• • 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
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E20/00—Combustion technologies with mitigation potential
  • Y02E20/14—Combined heat and power generation [CHP]
• • 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
  • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
  • Y02E20/00—Combustion technologies with mitigation potential
  • Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]

Definitions

• the invention relates to a method for operating a gas and steam combined cycle power plant according to the preamble of claim 1.
• a method for operating a gas and steam combined cycle power plant and such a gas and steam combined cycle power plant are already well known from the general state of the art.
• the gas and steam power plant is also referred to as a combined cycle power plant and comprises at least one turbine device, at least one generator that can be driven by the turbine device for providing electric power and at least one gas turbine.
• the generator driven by the turbine means the generator can transform mechanical energy into electrical energy or electricity, and this electrical energy or electrical power be ⁇ riding filters.
• the electrical current can then be fed, for example, into a power grid.
• the gas turbine thereby provides exhaust gas, by means of which hot steam is generated.
• the gas turbine is a fuel, in particular a gaseous fuel such as natural gas supplied, wherein the fuel is burned with ⁇ means of the gas turbine.
• the gas turbine is supplied in addition to the fuel oxygen or air, so that from the air and the fuel, a fuel ⁇ air mixture is formed.
• This fuel-air mixture is burned, resulting in exhaust gas of the gas turbine results.
• ⁇ means of the exhaust gas for example, a liquid, in particular water, heated and thereby evaporated, resulting in hot steam.
• the hot steam is generated by means of the exhaust gas of the gas turbine such that by means of the hot exhaust gas of the gas turbine, a liquid as in ⁇ example water is evaporated.
• the steam is supplied to the turbine device, so that the turbine device is driven by means of the steam.
• the generator is driven via the turbine device or by means of the turbine device.
• the gas and steam combined cycle power plant also referred to as gas and steam combined cycle power plant, is a power plant combining the principles of a gas turbine power plant and a steam power plant.
• the gas turbine or its exhaust gas serves as a heat source for a nachgeschal ⁇ ended steam generator, by means of which the steam for the turbine device or for driving the turbine device is generated.
• the turbine means is thus designed as steam turbines ⁇ ne.
• Steam generator produces hot steam, by means of which the tur ⁇ binen articulate and the turbine means of the generator for providing electrical power is driven. Furthermore, the exhaust gas supplied to the steam generator is at least partially removed from the steam generator.
• the gas-and-steam-power plant Kombina ⁇ tion during a time during which the gas and steam combined cycle power plant is switched off to keep warm.
• the gas-and-steam combined cycle power plant is kept warm by means of steam.
• This steam for keeping warm is usually produced by means of a boiler, in particular a gas boilers.
• a liquid such as water is evaporated, for which purpose a fuel ⁇ is used.
• the steam generated by the boiler is passed through at least part of the gas and steam combined cycle power plant to keep it warm.
• the gas-and-steam combination ⁇ power plant after a shutdown of the same can be started as part of a warm start, since the gas-and-steam Kombina ⁇ tion power plant then already sufficiently high temperature at which it can be started has.
• Object of the present invention is to develop a method of the type mentioned in such a way that a particularly efficient operation can be realized.
• This heat which is contained in the exhaust gas downstream of the steam generator or after the steam generator, is used to effect the endothermic chemical reaction.
• the heat contained in the exhaust gas of the endothermic chemical Reacti ⁇ on or educts of the endothermic chemical reaction is supplied.
• at least part of the heat supplied to the endothermic chemical reaction is stored in products of the endothermic chemical reaction, so that a thermochemical storage, in particular a thermochemical heat storage, can be created.
• the heat contained in the exhaust gas of the gas turbine downstream of the steam generator can be at least partially stored, wherein the heat stored in the products can be used for example at a later time and / or for other purposes.
• the invention is particularly based on the idea of heat contained in the exhaust of the gas turbine to the steam generator, wel ⁇ che usually is lost without to use to least save some of the heat contained in the exhaust gas downstream of the steam generator to ⁇ , particularly in the products the endothermic chemical reaction.
• the heat can be stored for district heating purposes.
• an exothermic chemical reaction that is to say a chemical heat-emitting reaction
• the products of the endothermic chemical reaction being precursors of the exothermic chemical reaction or being used as starting materials of the exothermic reaction.
• heat is released, with- means of which it can be warmed ⁇ a medium particularly efficient water.
• Products of the exothermic reaction can be, for example, than the reactants of the endothermic reaction ge ⁇ uses.
• the thermochemical heat storage can be used to realize a particularly high degree of flexibility with regard to the realization of district heating.
• thermochemical heat store it is possible to store heat or energy in the thermochemical heat store, so that, in particular at high heat requirements, a medium, in particular water, can be effectively heated by means of the heat stored in the thermochemical heat store. Since this is used ⁇ energy zeugers contained in the exhaust downstream of the steamer, a particularly high efficiency can be realized.
• the heat stored in the products of the endothermic reaction and released during the exothermic reaction is transferred to the medium, for example, to heat the medium. Then the medium can be used for example for heating purposes, in particular for the realization of district heating.
• At least the part of the heat contained in the exhaust gas downstream of the steam generator is transferred via a heat exchanger to reactants of the endothermic chemical reaction.
• the starting materials used are the exothermic chemical reactants. be used on products of the endothermic chemical reaction.
• the turbine device the heated steam is supplied to drive the turbine device, the gas-and-steam combined power plant from a first Lastb rich start up in a relation to the first load range, second load range.
• the endothermic chemical reaction is effected in the second load range.
• the invention also includes a gas-and-steam combination ⁇ power plant which is designed for performing a method of the invention.
• Advantageous embodiments of the method according to the invention are to be regarded as advantageous Ausgestal ⁇ tions of the gas-and-steam combination power ⁇ plant and vice versa.
• the drawing shows in the single figure is a schematic representation of a combined cycle gas-and-steam power plant, in which a thermochemical heat storage is used to realize a particularly high efficiency.
• the single FIGURE shows a schematic representation of a designated as a whole with 10 gas-and-steam combination ⁇ power plant, which is also referred to as combined cycle power plant or - for better readability - as a power plant.
• the power plant comprises at least one gas turbine 12, which play as fuel is supplied at ⁇ as part of a method for operating the power plant. This supply of fuel to the gas turbine 12 is illustrated in the figure by a directional arrow 14.
• the fuel is, in particular a gaseous fuel such as natural gas at ⁇ game.
• the gas turbine 12 is supplied with air ⁇ , which is illustrated in the figure by a directional arrow 16.
• the fuel is burned, resulting in exhaust gas of the gas turbine 12 results.
• the gas turbine 12 provides the exhaust gas, which is illustrated in the figure by a directional arrow 18.
• the gas turbine 12 for example, forms a mixture of the fuel and the air, this mixture is burned. This results in the exhaust gas of the gas turbine 12.
• the exhaust gas is supplied to a steam generator 20 of the power plant.
• the steam generator 20 is also referred to as a boiler or evaporator.
• the steam generator 20 a liquid, in particular in the form of water supplied.
• a heat transfer from the exhaust gas of the gas turbine 12 to the water whereby the water is heated and evaporated. This will generate steam from the water.
• steam from the steam generator 20 supplied water (liquid) is generated.
• the exhaust gas is cooled, so that it is discharged at ⁇ example, with a first temperature Tl of the steam generator 20.
• the first temperature Tl is at least substantially 90 ° C (degrees Celsius).
• the power plant furthermore comprises a turbine device, denoted as a whole by 22, which in the present case is a first turbine 24 and a second turbine 26 includes.
• the turbine 24 is designed for example as a high-pressure turbine, wherein the turbine 26 is currentlybil ⁇ det as medium-pressure and low-pressure turbine.
• the steam generated by the exhaust gas of the gas turbine 12 and medium help of the steam generator 20 is supplied to the turbine ⁇ device 22, so that the turbine means 22, in particular the turbines 24 and 26, driven by means of the generated hot vapor.
• the Turbinenein ⁇ device 22 does not include, for example, in the figure shown a ⁇ individual turbine wheels, which steam is supplied. As a result, the turbine wheels are driven by means of the steam.
• the turbine wheels are rotatably connected to the shaft 28 so that the shaft 28 is driven by the turbine wheels when the turbine wheels are driven by the steam.
• the power plant further comprises at least one generator 30, which is driven or driven by the turbine device 22 via the shaft 28.
• the generator 30, the shaft 28 provided on the mechanical Ener ⁇ energy is thus supplied, wherein by means of the generator 30, at least a part of the supplied mechanical energy into electrical
• the Genera ⁇ gate 30 can provide this electrical power, which can be fed, for example, in a power grid.
• the steam is removed from the turbine device 22 and fed to a heat exchanger 32, which acts as a capacitor or is formed. By means of the heat exchanger 32, the steam is cooled, whereby the steam condenses. As a result, the steam is again to the aforementioned water, which can be supplied to the steam generator 20 again.
• the heat exchanger 32 In order to cool the steam by means of the heat exchanger 32, the heat exchanger 32, for example, a cooling medium, in particular dere a cooling liquid supplied. It can be carried out, a heat ⁇ transition from the vapor to the cooling liquid, whereby the steam is cooled and condensed in the sequence.
• the power plant has a plurality of lines, not shown in the figure, through which respective flows of the vapor generated by means of the exhaust gas of the gas turbine 12 flow. These flows can have different temperatures.
• different tem- are temperatures T2, T3 and T4 of the illustrated means of the exhaust gas of the Gasturbi ⁇ ne 12 generated steam, the temperature T2, for example 595 ° C, the temperature T3 360 ° C and the Tempe ⁇ temperature T4 240 ° C is.
• the water leaves the condenser, for example, at a temperature T5, which is for example 40 ° C.
• the power plant is activated, that is turned on, and deactivated, ie switched off. For example, the power plant is switched off with only a small power requirement. If the power requirement increases, the power plant is switched on again after switching off.
• This switching which is connected in time to a shutdown of the power plant, preferably takes place as a warm start to turn on the power plant quickly and energy-efficient.
• the power plant after shutdown and during a time during which the power plant is switched off kept warm or heated to excessive cooling ⁇ off or cooling of the To avoid power plant.
• the gas turbine 12 provides its exhaust ⁇ ready, which is supplied to the steam generator 20. Further, the steam generator 20, the water is supplied. By means of the steam generator supplied to the exhaust gas of the gas turbine 12 and by means of the steam generator 20, the water is at least partially ⁇ heated and evaporated, whereby steam is generated. FER ner the steam generator 20, the steam generator 20 supplied exhaust gas of the gas turbine 12 is at least partially removed.
• the power plant comprises a thermochemical heat accumulator 34, which is formed for example by at least one reactor or comprises at least one reactor. Since the Ab ⁇ gas of the gas turbine 12 - relative to a flow direction of exhaust gas of the gas turbine 12 - downstream of the steam generator 20, that is, after the steam generator 20 having the temperature T is contained in the exhaust gas of the gas turbine 12 downstream of the steam ⁇ generator 20 heat , At least part of this heat contained in the exhaust gas of the gas turbine 12 downstream of the steam generator 20 is - as shown in the figure by a directional arrow 36 - the thermochemical heat storage 34 (reactor) supplied.
• thermochemical heat storage 34 supplied heat is used to an endothermic chemical reaction to Be Farming ⁇ ken.
• an endothermic chemical reac ⁇ tion by means of the thermo-chemical heat accumulator 34 supplied heat causes of the discharged exhaust gas 20 from the steam generator.
• the heat supplied to the thermochemical heat accumulator 34 or at least a portion of the heat supplied to the thermochemical heat accumulator 34 is stored in products of the endothermic chemical reaction, the stored heat can be used as needed.
• thermochemi ⁇ cal heat storage 34 in particular the endothermic chemical reaction or educts of the endothermic chemical reaction see example supplied via at least one dressingtau ⁇ shear 38, by which at least a part of the off ⁇ gas flows.
• the heat exchanger 38 is downstream of the steam generator 20 ⁇ assigns.
• the exhaust gas is suit ⁇ cooled.
• the exhaust gas which is supplied to the heat exchanger 38 is, for example - as shown in the figure by a direction arrow 40 - the heat exchanger 38 and discharged downstream of the heat exchanger 38 example ⁇ a temperature T6, which is 70 ° C and clotting ⁇ ger than the temperature Tl is.
• the exhaust gas may have a mass flow of 884 kg / s and a pressure of one bar.
• at least a portion of the effluent from the steam generator 20 exhaust gas to the heat exchanger 38 and the thermochemical heat storage 34, respectively.
• the endothermic chemical reaction is, for example, a forward reaction of a chemical equilibrium reaction. As part of the forward reaction arise from the starting materials of the endothermic chemical reaction products of the endothermic chemical reaction (forward reaction).
• This chemical equilibrium reaction also includes a back reaction which is formed as an exothermic chemical reaction.
• the products of the forward reaction are starting materials of the reverse reaction, products of the reverse reaction being the starting materials of the forward reaction.
• the forward reaction and / or the reverse reaction take place, for example, in the reactor, that is to say in the thermochemical heat store 34.
• heat is released.
• This released as part of the reverse reaction or frge ⁇ put heat can be used for heating purposes, in particular Fernumblezwe ⁇ bridge.
• the heat released in the reverse reaction is used for heating purposes, in particular district heating purposes.
• a fluid is heated, in particular in the form of water.
• the water is supplied to a further heat exchanger 42 of the thermochemical heat accumulator, which is illustrated in the figure by a directional arrow 44.
• the heat released in the reverse reaction is supplied to the heat exchanger 42 through which the water flows through the heat exchanger 42, whereby the water is heated.
• the heated water is removed from the heat exchanger 42, which is illustrated in the figure by a directional arrow 46.
• the water has a mass flow of 1100 kg / s (kilograms per second).
• the water is, for example, with a
• the heat exchanger 42 is supplied.
• the water is heated to a temperature T8 he ⁇ , wherein the temperature T7, for example, 65 ° C (degrees Celsius) and the temperature is 100 ° C T8.
• the temperature Tem ⁇ T8 is greater than the temperature T7, the water having the temperature T7 upstream of the heat exchanger 42 and the tempera ture ⁇ T8 downstream of the heat exchanger 42nd
• the water has a pressure of 14.5 bar, wherein the water is provided with this pressure and the temperature T7 and the heat exchanger 42 is supplied.
• thermochemical heat storage 34 Since the forward reaction is effected at 90 ° C of the exhaust gas, the thermochemical heat storage is loaded at 90 ° C. Since the water is heated to 130 ° C by means of the thermochemical heat accumulator 34, the thermochemical heat storage 34 is discharged at 130 ° C.
• the heat exchanger 38 Through the use of the heat exchanger 38, a spatial separation of the educts of the forward reaction of the exhaust gas can be realized, so that the exhaust gas does not touch the educts of the forward reaction di ⁇ rect. Alternatively, it is conceivable that the exhaust gas directly touches the educts of the forward reaction and thereby flows against or flows around it.
• thermochemical heat storage 34 water can be used, for example, to supply households with hot water and / or to heat households.
• a particularly efficient process can be achieved overall.
• thermochemical Heat accumulator 34 it is conceivable that only a portion of the exhaust gas downstream of the steam generator 20, the heat exchanger 38 and / or only a portion of the water to the heat exchanger 42, in particular an at least substantially continuous heating of the water by means of thermochemical Heat accumulator 34 to ensure.

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• Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical Kinetics & Catalysis (AREA)
• Engine Equipment That Uses Special Cycles (AREA)

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• 2015
  • 2015-10-07 DE DE102015219403.5A patent/DE102015219403A1/de not_active Withdrawn
• 2016
  • 2016-09-26 US US15/761,550 patent/US20180340451A1/en not_active Abandoned
  • 2016-09-26 KR KR1020187012953A patent/KR102159718B1/ko active IP Right Grant
  • 2016-09-26 EP EP16778264.8A patent/EP3344858A1/de not_active Withdrawn
  • 2016-09-26 CN CN201680058362.3A patent/CN108138601A/zh active Pending
  • 2016-09-26 WO PCT/EP2016/072847 patent/WO2017060114A1/de active Application Filing
  • 2016-09-26 JP JP2018517793A patent/JP6741758B2/ja not_active Expired - Fee Related

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