EP2467588A1 - Verfahren und vorrichtung zur verwertung von biomassse - Google Patents
Verfahren und vorrichtung zur verwertung von biomassseInfo
- Publication number
- EP2467588A1 EP2467588A1 EP10745200A EP10745200A EP2467588A1 EP 2467588 A1 EP2467588 A1 EP 2467588A1 EP 10745200 A EP10745200 A EP 10745200A EP 10745200 A EP10745200 A EP 10745200A EP 2467588 A1 EP2467588 A1 EP 2467588A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas
- thermal energy
- turbine
- gas turbine
- downstream
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000002028 Biomass Substances 0.000 title description 5
- 239000007789 gas Substances 0.000 claims abstract description 98
- 238000002309 gasification Methods 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000003546 flue gas Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000001816 cooling Methods 0.000 claims description 10
- 229920006395 saturated elastomer Polymers 0.000 claims description 10
- 239000002918 waste heat Substances 0.000 claims description 5
- 239000000567 combustion gas Substances 0.000 claims description 4
- 239000000446 fuel Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 239000002737 fuel gas Substances 0.000 claims 1
- 239000000779 smoke Substances 0.000 abstract 1
- 238000002485 combustion reaction Methods 0.000 description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 8
- 239000000428 dust Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- F02C3/26—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 the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension
- F02C3/28—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 the fuel or oxidant being solid or pulverulent, e.g. in slurry or suspension using a separate gas producer for gasifying the fuel before 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
- 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
- F01K23/067—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 the combustion heat coming from a gasification or pyrolysis process, e.g. coal gasification
-
- 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
- F02C1/00—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid
- F02C1/04—Gas-turbine plants characterised by the use of hot gases or unheated pressurised gases, as the working fluid the working fluid being heated indirectly
-
- 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
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/18—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use using the waste heat of gas-turbine plants outside the plants themselves, e.g. gas-turbine power heat plants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0916—Biomass
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0956—Air or oxygen enriched air
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1603—Integration of gasification processes with another plant or parts within the plant with gas treatment
- C10J2300/1606—Combustion processes
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1671—Integration of gasification processes with another plant or parts within the plant with the production of electricity
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1861—Heat exchange between at least two process streams
- C10J2300/1869—Heat exchange between at least two process streams with one stream being air, oxygen or ozone
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/18—Details of the gasification process, e.g. loops, autothermal operation
- C10J2300/1861—Heat exchange between at least two process streams
- C10J2300/1892—Heat exchange between at least two process streams with one stream being water/steam
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/02—Fixed-bed gasification of lump fuel
- C10J3/20—Apparatus; Plants
-
- 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]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
-
- 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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
-
- 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 invention relates to a method for converting thermal energy from carbonaceous raw materials into mechanical work, according to the preamble of claim 1, and to a device for converting thermal energy into mechanical work, according to the preamble of claim 9.
- the invention will be described with reference to biomass However, it should be noted that the inventive method and the device according to the invention can also be used for other carbonaceous products.
- DE 100 39 246 C2 relates to a method for converting thermal energy into mechanical work, wherein a first and a second means for storing thermal energy are switched on alternately in a turbine branch.
- the disadvantage here is the formation of dust in the flue gases, which must be removed for example by means of a cyclone.
- DE 102 27 074 A1 describes a method for the gasification of biomass and a system for this purpose.
- the substances are burned in a gas-tightly separated from a gasification reactor combustion chamber and introduced the heat energy from the combustion chamber in the gasification reactor.
- DE 198 36 428 C2 discloses methods and apparatus for gasification of biomass, in particular of wood pulp.
- a fixed bed Degassing at temperatures up to 600 0 C and in a downstream second gasification stage, a fluidized bed gasification at temperatures between 800 0 C and 100O 0 C.
- the present invention is therefore an object of the invention to provide a method and apparatus for converting thermal energy from combustion or gasification of carbonaceous raw materials into mechanical work available, which has a high efficiency and high efficiency while avoiding dust in the Allow flue gases. Furthermore, a method is to be created, which feeds the resulting energies, in particular waste heat, in turn to the process.
- An essential point of the invention is that a method for converting thermal energy from carbonaceous raw materials into mechanical work with at least a first and a second means for storing thermal energy, which are switched at least temporarily alternately in a turbine branch with a downstream gas turbine following Steps:
- a gasification of the carbonaceous raw materials takes place in a gasifier and the product gas is supplied to the gasifier downstream gas burner.
- the use of a carburettor before the step of combustion in the gas burner enables in particular a significant reduction of dust, in particular fine dust in the flue gases.
- a reduced dust content allows the use of higher temperatures during gas combustion.
- a higher efficiency in power generation can be achieved.
- the reduction of fine dust also has a positive effect on the service life of the gas turbine.
- downstream is understood in particular to be a downstream in relation to the respective gases to be processed.
- the gas burner is connected directly downstream of the gasifier.
- the device for storing thermal energy is preferably also suitable for emitting the stored thermal energy, for example in the form of hot air.
- the invention proposes to obtain the product gas for the gas burner from an additional gasification process, so that in this respect no additional dust particles, as in the prior art arise.
- the recovered in the means for storing thermal energy hot air is preferably delivered to the gas turbine.
- heated water vapor or air or a mixture of water vapor and air is introduced into the gasifier as gasification agent and used for gasification.
- the gasifier is advantageously fed to a further gaseous medium as combustion gas.
- combustion gas comes z.
- hot air oxygen, oxygen-enriched air and the like into consideration.
- a fixed-bed countercurrent carburetor is used as the carburetor.
- different types of carburetors according to the prior art can be used.
- the particular advantage of a countercurrent fixed bed gasifier is that within this reactor individual zones are formed in which different temperatures and thus different processes occur. The different temperatures are based on the fact that the respective processes are strongly endothermic and the heat only comes from below.
- At least one further heat exchanger arranged downstream of a compressor of the gas turbine is advantageously provided, which at least partially cools supplied hot air and supplies it as cold air to the first and / or second device for storing thermal energy.
- this is intended to ensure an increase in efficiency of the stored energy.
- by cooling the air the temperature of the flue gas - A - ses be reduced.
- the valve-like means is used for emergency shutdown and is preferably arranged in a bypass between a feed to the expander and a discharge line from the compressor of the gas turbine.
- the waste heat from at least one gasification-following process is used for saturated steam production.
- This relates in particular to the supply of waste heat to at least one of the gas turbine downstream heat exchanger, is heated with the water.
- a heat exchanger for heating air is provided.
- the waste heat donating gas is that gas which exits the gas turbine and still has a very high temperature.
- the saturated steam is generated by means of a gas turbine downstream heat exchanger before it is fed to the carburetor.
- Cooling is preferably effected by means of at least one heat exchanger and the thermal energy obtained by the cooling is decoupled as usable heat. This further contributes to environmental compatibility and to increasing the efficiency of the process.
- relaxed hot air from the turbine is re-supplied to the gas burner to further increase the efficiency of the process.
- combustion air leaving the gas turbine can in turn be supplied to the gas burner via a corresponding supply line.
- relaxed hot air from the gas turbine is used to generate energy by means of another steam turbine.
- this additional steam turbine could be integrated into a separate water circuit and the water in this circuit can be vaporized and overheated by a heat exchanger. After exiting the steam turbine, the steam is condensed and compressed in the liquid state by a pump before it passes over the heat exchanger again.
- a gas burner for burning a fuel at least a first and a second means for storing thermal energy, which at least temporarily alternately in a turbine branch with a downstream gas turbine or its expander are switched on and at least one connecting line, which supplies flue gases formed in the gas burner to the devices for storing thermal energy, wherein the gas burner is preceded by a carburetor for generating the fuel.
- the apparatus comprises a compressor for compressing the air supplied to the devices for storing thermal energy, wherein this compressor is particularly preferably part of the gas turbine.
- the flue gases arise during the combustion of a product gas, which in turn is produced in a gasifier.
- a temporary alternately switching on of the devices for storing thermal energy is understood to mean that at least partially in selected periods of time one of the two devices is supplied with flue gas, while the other device delivers hot air to the gas turbine.
- a plurality of devices for storing thermal energy may be provided, which operate at least partially with a time delay.
- one of these means for storing thermal energy may be supplied with flue gas while one or more of the other devices is releasing the hot air.
- the devices for storing thermal energy work at least partially delayed.
- the turbine branch downstream means are provided for cooling a gas.
- These means for cooling the gas are preferably heat exchangers, which, as mentioned above, can simultaneously heat air, so as to produce hot air, which can be supplied to the gasifier.
- these means saturated steam can be generated, which can also be supplied to the gasifier.
- a means for alternately switching at least one first device and at least one second device into the turbine branch is preferably provided.
- These alternately switching-on means may, for example, be a multiplicity of controllable valves, which in each case permit the flue gas to be fed alternately into the means for storing thermal energy or allow alternate discharge of heated air to the gas turbine.
- temperature sensors can be provided, which respectively measure the temperatures at corresponding points of the devices for storing thermal energy and switch the corresponding valves in response to these measurements, so that optimal supply of the gas turbines with hot air is made possible at all times and furthermore an efficient one Recharging the means for storing thermal energy is enabled.
- the gas turbine or a part thereof preferably also acts as a compressor to compress supplied air and to supply cold air to be heated in turn to the devices for storing thermal energy.
- the gas turbine is connected downstream of at least one heat exchanger.
- At least one and preferably a plurality of heat exchangers for decoupling thermal energy is switched on between the gas turbine and the gasifier.
- the gas turbine downstream of another steam turbine.
- the hot air from the first gas turbine can be used again to generate electricity.
- the current efficiency can be further improved.
- Fig. 1 is a first flowchart
- Fig. 2 is a second flowchart
- Fig. 3 is a third flowchart.
- Fig. 1 shows a schematic flow diagram of the use of a device according to the invention for the conversion of thermal energy from carbonaceous raw materials into mechanical work.
- the reference numeral 1 refers to a fixed bed countercurrent reactor.
- the raw material 14 is introduced from above into the reactor 1 and the gasification agent (e.g., air) is fed along a supply line 16 from below. In this way it is achieved that the gasification agent and the product gas flow through the reaction space in the opposite direction to the fuel flow.
- the resulting ash in the carburetor 1 is discharged downwards, that is, along the arrow P1.
- the product gas enters the gas burner 2 and is burned. Subsequently, the resulting in the gas burner 2 flue gases are passed through a connecting line 3 in a first 4 or second 6 Schüttgutregenerator and supplied by the bulk regenerators 4,6 hot air 7 via a line 21 to a gas turbine 8.
- a generator G is arranged on the gas turbine 8.
- the reference numeral 23 denotes a discharge pipe for discharging the flue gas generated in the means 4, 6 for storing thermal energy.
- the first regenerator 4 From the first regenerator 4 leads a line 22 to the gas turbine 8.
- the from the gas turbine. 8 Exiting exhaust air is supplied via a further line 26 to the gas burner 2 as preheated combustion air.
- the first 4 and the second regenerator 6 can be operated alternately in the turbine branch T or in a so-called preheating branch.
- the reference numeral 60 refers to a generator coupled to the turbine 8.
- the reference numerals 32, 34, 36, 38, 40, 42, 44, 46 each refer to controllable valves, the supply of the flue gas to the bulk regenerators 4.6 (valves 44 and 46) and the discharge of the hot air of bulk regenerators 4, 6 to the gas turbine 8 (valves 36 and 42), the delivery of flue gas (valves 32 and 38) as well as vice versa the supply of cold air (valves 34 and 40) to the bulk regenerators 4.6 control.
- the respectively black drawn valves are in an open state and the only rimmed valves in a closed state.
- Reference numerals 52, 54, 56 respectively refer to compressors for compressing air (reference numeral 56), flue gas (reference numeral 52) and exhaust air (reference numeral 54).
- air is supplied via the line 25 of the gas turbine 8 and passed through a further heat exchanger 15 to be supplied as cold air in bulk regenerators 4 and 6.
- the reference numeral 61 designates a valve-like means between the compressor and a gas turbine engine expander for turning off the turbine branch. Between the turbine and the heat exchanger 15, a water supply is possible. In this branch, another valve 63 is provided.
- heat exchangers 1 1, 12 and 13 are turned on to supply heated both air and water as a gasification agent to the fixed bed countercurrent reactor 1.
- a cooling is effected by means of at least one heat exchanger 13 and the thermal energy obtained by the cooling is decoupled as usable heat.
- the heat exchanger 13 is directly downstream of the turbine branch T. By means of this device, it is possible to use the decoupled heat (for hot water production) at a higher temperature level.
- the heat exchanger 1 1, 12 for heating air and water as a gasification agent are connected downstream.
- the order of the heat exchangers is changed in the two embodiments shown. While in the embodiment shown in Figure 1, the first heat exchanger 12, which receives the combustion air with the highest temperature, for generating hot air, the next heat exchanger 1 1 for generating saturated steam and the last heat exchanger 13 for generating heat, is in the shown in Figure 2 with the hottest air generates heat and then hot air or saturated steam. Furthermore, it would also be possible to exchange the two heat exchangers 12 and 1 1 with respect to their order.
- the reference numeral 58 in the two figures refers to a pump for conveying water.
- the reference numeral 10 in the figures refers to the combustion gas and the reference numeral 9 designates the saturated steam.
- Fig. 3 shows another embodiment of the present invention.
- a further circuit 70 is provided, which is connected downstream of the gas turbine 8. More specifically, the hot air from the gas turbine 8 is passed through a heat exchanger 71, which is integrated in this circuit 70. Through the heat exchanger, water of the circuit 70 is heated and fed to a steam turbine 72, which in turn drives a generator 74.
- the reference numeral 78 refers to a pump and the reference numeral 76 to a capacitor.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Processing Of Solid Wastes (AREA)
- Carbon And Carbon Compounds (AREA)
- Coke Industry (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102009038323A DE102009038323A1 (de) | 2009-08-21 | 2009-08-21 | Verfahren und Vorrichtung zur Verwertung von Biomasse |
PCT/EP2010/061753 WO2011020767A1 (de) | 2009-08-21 | 2010-08-12 | Verfahren und vorrichtung zur verwertung von biomassse |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2467588A1 true EP2467588A1 (de) | 2012-06-27 |
Family
ID=43038095
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP10745200A Withdrawn EP2467588A1 (de) | 2009-08-21 | 2010-08-12 | Verfahren und vorrichtung zur verwertung von biomassse |
Country Status (12)
Country | Link |
---|---|
US (1) | US8621872B2 (zh) |
EP (1) | EP2467588A1 (zh) |
JP (1) | JP5580897B2 (zh) |
CN (1) | CN102482996B (zh) |
AU (1) | AU2010285055B2 (zh) |
BR (1) | BR112012003584A2 (zh) |
CA (1) | CA2771145A1 (zh) |
DE (1) | DE102009038323A1 (zh) |
EA (1) | EA201290057A1 (zh) |
NZ (1) | NZ598329A (zh) |
UA (1) | UA107196C2 (zh) |
WO (1) | WO2011020767A1 (zh) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
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- 2010-08-12 CA CA2771145A patent/CA2771145A1/en not_active Abandoned
- 2010-08-12 UA UAA201203399A patent/UA107196C2/uk unknown
- 2010-08-12 EP EP10745200A patent/EP2467588A1/de not_active Withdrawn
- 2010-08-12 US US13/390,655 patent/US8621872B2/en not_active Expired - Fee Related
- 2010-08-12 BR BR112012003584A patent/BR112012003584A2/pt not_active IP Right Cessation
- 2010-08-12 EA EA201290057A patent/EA201290057A1/ru unknown
- 2010-08-12 WO PCT/EP2010/061753 patent/WO2011020767A1/de active Application Filing
- 2010-08-12 CN CN201080037009.XA patent/CN102482996B/zh not_active Expired - Fee Related
- 2010-08-12 NZ NZ598329A patent/NZ598329A/en not_active IP Right Cessation
- 2010-08-12 AU AU2010285055A patent/AU2010285055B2/en not_active Ceased
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Also Published As
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US8621872B2 (en) | 2014-01-07 |
JP5580897B2 (ja) | 2014-08-27 |
JP2013502526A (ja) | 2013-01-24 |
US20120137702A1 (en) | 2012-06-07 |
UA107196C2 (uk) | 2014-12-10 |
DE102009038323A1 (de) | 2011-02-24 |
CN102482996B (zh) | 2014-10-29 |
EA201290057A1 (ru) | 2012-08-30 |
NZ598329A (en) | 2014-08-29 |
WO2011020767A1 (de) | 2011-02-24 |
CA2771145A1 (en) | 2011-02-24 |
AU2010285055B2 (en) | 2016-07-14 |
CN102482996A (zh) | 2012-05-30 |
BR112012003584A2 (pt) | 2016-03-15 |
AU2010285055A1 (en) | 2012-03-15 |
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