摘要:
A method, system, and apparatus including a compressed air energy storage system that includes an ambient air intake configured to intake a quantity of ambient air for storage in a compressed air storage volume, a compression system having a compression path that is configured to convey air compressed by the compression system through the compression system, a first path configured to convey ambient air to the compression system, a second path proceeding from the compression system to the compressed air storage volume and configured to convey compressed air to the compressed air storage volume, and a dehumidifying system. The dehumidifying system is coupleable to at least one of the first path that proceeds from the ambient air intake to the compression system, the compression path, and the second path. The dehumidifying system includes a dehumidifying component configured to remove moisture from the ambient air and/or the compressed air.
摘要:
Disclosed herein are systems and methods for reducing power plant CO2 emissions. In one embodiment, a method for reducing emissions in a combustion stream, comprises: combusting a gaseous stream to produce an exhaust stream comprising carbon dioxide, and separating CO2 from the exhaust stream by passing CO2 through a membrane to produce a CO2 product stream and a CO2 lean exhaust stream.
摘要:
A power generation system includes a first gas turbine system. The first turbine system includes a first combustion chamber configured to combust a first fuel stream of primarily hydrogen that is substantially free of carbon-based fuels, a first compressor configured to supply a first portion of compressed oxidant to the first combustion chamber and a first turbine configured to receive a first discharge from the first combustion chamber and generate a first exhaust and electrical energy. The power generation system further includes a second gas turbine system. The second turbine system includes a second combustion chamber configured to combust a second fuel stream to generate a second discharge, wherein the first compressor of the first gas turbine system is configured to supply a second portion of compressed oxidant to the second combustion chamber and a second turbine configured to receive the second discharge from the second combustion chamber to generate a second exhaust and electrical energy. A second compressor is configured to receive the second exhaust comprising carbon dioxide and to discharge a recycle stream to the second combustion chamber and a split stream to a separator system adapted to recover carbon dioxide. The power generation system also includes a hydrogen generation system configured to receive a third fuel and steam to generate the first fuel and a third exhaust gas, wherein the third exhaust gas is recycled into the second combustion chamber.
摘要:
A power generation system includes a first compressor, a second compressor, a combustor configured to receive compressed air from the second compressor to produce an exhaust stream, a first turbine, and a power turbine. The first turbine is configured to receive the exhaust stream, generate a rotational power from the exhaust stream, output the rotational power to a second compressor, and output the exhaust stream. The system includes a coupling device configured to couple and decouple the first compressor to/from a second turbine, an electrical generator coupled to an output of the power turbine and configured to output electrical power, and a controller configured to cause the coupling device to mechanically decouple the second turbine from the first compressor, and cause the coupling device to direct compressed air from an air storage cavern to an inlet of the second compressor.
摘要:
A system includes a compression system fluidly coupled to a compartment to compress a first quantity of gas for storage in the compartment, the compression system including a compression path to convey the first quantity of gas; an expansion system fluidly coupled to the compartment to expand a second quantity of gas from the compartment, the expansion system including an expansion path to convey the second quantity of gas; a first path fluidly coupled to the compression path to convey the first quantity of gas to the compartment; a second path fluidly coupled to the expansion path to convey the second quantity of gas from the compartment to the expansion system; and a separation unit fluidly coupled to one of the first path, second path, compression path, and expansion path, wherein the separation unit removes a quantity of carbon dioxide from one of the first and second quantities of gas.
摘要:
Disclosed herein are systems and methods for reducing power plant CO2 emissions. In one embodiment, a method for reducing emissions in a combustion stream, comprises: combusting a gaseous stream to produce an exhaust stream comprising carbon dioxide, and separating CO2 from the exhaust stream by passing CO2 through a membrane to produce a CO2 product stream and a CO2 lean exhaust stream.
摘要翻译:本文公开了用于减少发电厂CO 2排放的系统和方法。 在一个实施方案中,一种用于减少燃烧流中的排放的方法包括:燃烧气流以产生包含二氧化碳的排气流,并通过使CO 2从排气流中分离出CO 2, 2通过膜以产生CO 2 CO 2产物流和CO 2贫排气流。
摘要:
A system and method for a thermal energy storage system is disclosed, the thermal energy storage system comprising a plurality of pressure vessels arranged in close proximity to one another, each of the pressure vessels having a wall comprising an outer surface and an inner surface spaced from the outer surface by a respective wall thickness and surrounding an interior volume of the pressure vessel. The interior volume has a first end in fluid communication with one or more compressors and one or more turbines and a second end in fluid communication with at least one of one or more additional compressors, one or more additional turbines, and at least one compressed air storage component. The thermal energy storage system further comprises a thermal storage medium positioned in the interior volume of each of the plurality of pressure vessels.
摘要:
A method, system, and apparatus including a compressed air energy storage (CAES) system including a compression train with a compressor path, a storage volume configured to store compressed air, a compressed air path configured to provide passage of compressed air egressing from the compression train to the storage volume, and a heat recovery system coupled to at least one of the compressor path and the compressed air path and configured to draw heat from at least one of the compressor path and the compressed air path to a first liquid. The compression train is configured to provide passage of compressed air from a first compressor to a second compressor. The heat recovery system includes a first evaporator configured to evaporate the first liquid to a first gas and a first generator configured to produce electricity based on an expansion of the first gas.
摘要:
A system and method for compressing and expanding air in a compressed air energy storage (CAES) system is disclosed. A CAES system is provided that is alternately operable in a compression mode and an expansion mode and includes therein a motor-generator unit and a drive shaft connected to the motor-generator unit that is configured to transmit rotational power to and from the motor-generator unit. The CAES system also includes at least one reversible compressor-expander unit coupled to the drive shaft and configured to selectively compress and expand air, and an air storage unit connected to the reversible compressor-expander unit and configured to store compressed air received therefrom, with the at least one reversible compressor-expander unit compressing air during the compression mode and expanding air during the expansion mode.
摘要:
A carbon dioxide separation system includes a compressor for receiving an exhaust gas comprising CO2 and generate a compressed exhaust gas and a separator configured to receive the compressed exhaust gas and generate a CO2 lean stream. The separator includes a first flow path for receiving the compressed exhaust gas, a second flow path for directing a sweep fluid therethrough, and a material with selective permeability of carbon dioxide for separating the first and the second flow paths and for promoting carbon dioxide transport therebetween. The system further includes an expander coupled to the compressor for receiving and expanding the CO2 lean stream to generate power and an expanded CO2 lean stream.