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334results about How to "Reduce carbon emissions" patented technology

Compact natural gas steam reformer with linear countercurrent heat exchanger

The present invention is natural gas steam reforming apparatus for generating an output gas mixture of carbon dioxide and hydrogen. The apparatus is made from two enclosures. A first enclosure contains a source of water, superheated steam, and channels, located within a lower portion of the first enclosure, which contain a water-gas-shift catalyst for converting CO into CO2 and H2. The heat from hot gas flowing through the channels is released into the first enclosure to boil the water to generate the superheated steam. A second enclosure, contained within an upper portion of the first enclosure, includes a steam inlet for receiving the superheated steam from the first enclosure; a combustion chamber; and a reformation chamber. The combustion chamber is used for combusting a portion of the natural gas to generate additional steam, heat, and a hot gas mixture of CO2, CO, and H2. The reformation chamber is used for steam reforming a remaining portion of the natural gas to generate additional hot gas mixture of CO2, CO, and H2. The hot gas mixture is directed through the channels installed in the first enclosure in which the water-gas-shift catalyst converts residual CO into additional CO2 and additional H2, to produce an output gas mixture of carbon dioxide and hydrogen. In the present invention, the first and second enclosures function as a top-to-bottom linear countercurrent heat exchanger. In one embodiment of the present invention, an external third enclosure containing a combustion chamber and a boiler for combusting natural gas with ambient air may be used to boil additional water into superheated steam which is then fed into the first enclosure.
Owner:PIONEER ENERGY

Energy consumption control system and method for area buildings

The invention discloses an energy consumption control system and method for area buildings, relating to the technical field of comprehensive building energy consumption control. The system comprises a distributed video sensor unit, machine vision recognition unit, a distributed comfort sensor unit, a subarea information fusion unit, a single building control unit and an area control center unit, wherein the distributed video sensor unit comprises a plurality of video sensors distributed in different subareas in one building, the machine vision recognition unit is connected with the distributed video sensor unit, the distributed comfort sensor unit comprises a plurality of comfort sensors distributed in different subareas in the one building, the subarea information fusion unit is used for generating a distribution control demand of each subarea in the one building, the single building control unit is used for generating the control demand of the one building, and the area control center unit is used for performing area energy consumption balance and optimization to generate control information. The system provided by the invention can be used for realizing area energy consumption balance and optimization, energy consumption balance and optimization of buildings and consumption balance and optimization of cold and heat sources and a tail end so as to finally obtain the optimal point of balance between comfort and energy consumption and reduce the energy consumption and carbon emission of area buildings.
Owner:北京四季微熵科技有限公司

Microgrid-based regional interconnection system and method for electric vehicle charging stations

The invention discloses a microgrid-based regional interconnection system and method for electric vehicle charging stations. The system is established in a layered architecture mode and comprises a central control unit, regional coordination scheduling units, microgrid data scheduling units and electric vehicle charging station units. The control unit is a control unit of a highest layer, takes charge of scheduling allocation of the regional coordination scheduling units, and sends a decision and an allocation instruction to each layer. The regional coordination scheduling units are in charge of integrating data in regions, transmitting the data to a data knowledge base, and transmitting the decision and the instruction of the central control unit to other units. The microgrid data scheduling units monitor running states of a distributed power generation system and an energy storage apparatus, acquire electric quantity data in a microgrid, and transmit the electric quantity data to the regional coordination scheduling units through soft buses. The electric vehicle charging station units acquire data of the charging stations in the regions and transmit the data to the regional coordination scheduling units on one hand, and perform energy management of local battery energy storage units on the other hand. According to the system and the method, the charging stations can be better served and the resources are reasonably allocated for realizing microgrid energy scheduling.
Owner:NANJING UNIV OF SCI & TECH

Automatic electric power scheduling system and method

The invention discloses an automatic electric power scheduling system and method. The automatic electric power scheduling system comprises an electric power scheduling control system, an electric power scheduling command system and an electric power scheduling early-warning system. The electric power scheduling control system further comprises a resource control system and a power grid electric power scheduling system. The electric power scheduling command system comprises a power grid scheduling command platform and user web terminals connected to the power grid scheduling command platform. The electric power scheduling early-warning system is capable of giving an alarm. According to the invention, market integration based on load responses is combined with a control mode, and a technical framework of active and reactive power spares participating in an electric power market based on down-to-up load responses is provided. By providing the active and reactive power spare capacity of an electric power system, and on the premise that the safe and stable operation of the electric power system is not affected, the operation economy of the electric power system is improved, the operation economic benefit of the electric power system is improved, the carbon discharge capacity of a power plant is reduced, and both economic benefits and environment benefits are achieved.
Owner:SISHUI POWER SUPPLY COMPANY OF STATE GRID SHANDONG ELECTRIC POWER
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