Patents by Inventor Huiyan Zhang
Huiyan Zhang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 12276236Abstract: The provided is energy storage method and device for biomass cascade pyrolysis coupled with new energy power generation. The key point of the technical solution is that, with inexpensive, clean and safe biomass as energy storage medium, the redundant unstable electric energy is converted by a cascade pyrolysis energy storage system into an easy-to-store liquid and solid chemical energy in biomass pyrolytic products, and based on use requirements, can be further converted into clean fuels for power generation or exported renewable chemicals, so as to realize continuous stable output of the new energy power generation systems. Furthermore, the cascade pyrolysis energy storage system can, based on the principle of “energy level matching”, fully recover and utilize the electric energy, high-temperature heat energy and low-temperature heat energy generated in pyrolysis processes, thereby maximizing the energy utilization efficiency of the system.Type: GrantFiled: November 25, 2024Date of Patent: April 15, 2025Assignee: SOUTHEAST UNIVERSITYInventors: Huiyan Zhang, Yinhai Su, Bo Peng, Sheng Chu, Yujie Tao, Qi Cao, Rui Xiao
-
Publication number: 20250084805Abstract: The provided is energy storage method and device for biomass cascade pyrolysis coupled with new energy power generation. The key point of the technical solution is that, with inexpensive, clean and safe biomass as energy storage medium, the redundant unstable electric energy is converted by a cascade pyrolysis energy storage system into an easy-to-store liquid and solid chemical energy in biomass pyrolytic products, and based on use requirements, can be further converted into clean fuels for power generation or exported renewable chemicals, so as to realize continuous stable output of the new energy power generation systems. Furthermore, the cascade pyrolysis energy storage system can, based on the principle of “energy level matching”, fully recover and utilize the electric energy, high-temperature heat energy and low-temperature heat energy generated in pyrolysis processes, thereby maximizing the energy utilization efficiency of the system.Type: ApplicationFiled: November 25, 2024Publication date: March 13, 2025Applicant: SOUTHEAST UNIVERSITYInventors: Huiyan ZHANG, Yinhai SU, Bo PENG, Sheng CHU, Yujie TAO, Qi CAO, Rui XIAO
-
Publication number: 20250075130Abstract: The provided is a novel heat-induction decoking device and method tailored for the thermal conversion of solid fuels. The efficient heat-induction decoking device for the thermal conversion of the solid fuels includes: a decoking tank body, which is configured to condense a macromolecular tar in a pyrolysis gas and discharge the condensed tar from a bottom to a tar tank for storage; an electromagnetic induction heating system, which is disposed on an outer wall surface of the decoking tank body to heat the outer wall surface of the decoking tank body; an ultrasonic vibration decoking system, which is disposed on the decoking tank body to enable the decoking tank body to generate vibration by ultrasonic wave so as to enhance tar fluidity. This innovative design not only reduces energy consumption and equipment wear but also extends system operational lifespan, thereby offering substantial improvements in economic and environmental sustainability.Type: ApplicationFiled: November 21, 2024Publication date: March 6, 2025Applicant: SOUTHEAST UNIVERSITYInventors: Huiyan ZHANG, Siyu WANG, Kai WU, Jiajun YU, Yihan WANG, Bingbing LUO
-
Pyrolysis vapor outlet anti-coking device and method of adsorbing medium self-recycling regeneration
Patent number: 12138580Abstract: A pyrolysis vapor outlet anti-coking device of adsorbing medium self-recycling regeneration includes a particle flow adsorbing system and a medium burning regeneration recycling system in mutual communication. The particle flow adsorbing system is configured to enable an easy-to-coke component to be adsorbed on an outer surface of an adsorbing medium to form a coking layer, and convey the a coking adsorbing medium into the medium burning regeneration recycling system. The medium burning regeneration recycling system is configured to quickly burn the coking layer on the outer surface of the adsorbing medium to realize regeneration of the adsorbing medium and convey the regenerated adsorbing medium into the particle flow adsorbing system for recycling use.Type: GrantFiled: November 22, 2022Date of Patent: November 12, 2024Assignee: SOUTHEAST UNIVERSITYInventors: Huiyan Zhang, Bo Peng, Siyu Wang, Rui Xiao -
Patent number: 12138575Abstract: The present disclosure relates to a pyrolysis bio-oil fractional condensation device and method capable of cooling medium self-circulation. The device includes a primary condensation system, a secondary condensation system and a cooling medium self-regulation heat exchange system. The primary condensation system uses the temperature-regulated cooling medium to condense the macromolecular tar by direct heat exchange with the pyrolysis volatiles. The condensed tar is heated, pushed and scraped with a rotary mechanism to prevent adhesion. The spray liquid in the secondary condensation system exchange heat with the uncondensed volatiles directly for secondary condensation.Type: GrantFiled: December 20, 2021Date of Patent: November 12, 2024Assignee: SOUTHEAST UNIVERSITYInventors: Huiyan Zhang, Shuping Zhang, Bo Peng, Rui Xiao
-
PYROLYSIS VAPOR OUTLET ANTI-COKING DEVICE AND METHOD OF ADSORBING MEDIUM SELF-RECYCLING REGENERATION
Publication number: 20240325964Abstract: A pyrolysis vapor outlet anti-coking device of adsorbing medium self-recycling regeneration includes a particle flow adsorbing system and a medium burning regeneration recycling system in mutual communication. The particle flow adsorbing system is configured to enable an easy-to-coke component to be adsorbed on an outer surface of an adsorbing medium to form a coking layer, and convey the a coking adsorbing medium into the medium burning regeneration recycling system. The medium burning regeneration recycling system is configured to quickly burn the coking layer on the outer surface of the adsorbing medium to realize regeneration of the adsorbing medium and convey the regenerated adsorbing medium into the particle flow adsorbing system for recycling use.Type: ApplicationFiled: November 22, 2022Publication date: October 3, 2024Applicant: SOUTHEAST UNIVERSITYInventors: Huiyan ZHANG, Bo PENG, Siyu WANG, Rui XIAO -
Publication number: 20240101428Abstract: A meshed catalyst based high-yield preparation and regeneration method for carbon nanotubes and hydrogen includes the following steps: step one, adding waste plastic into a low-temperature pyrolysis section, conducting slow heating, and continuously introducing nitrogen; step two, using a multilayer stainless steel mesh obtained through laminated pressing and vacuum sintering as a catalyst, introducing the volatiles into a high-temperature catalytic section, conducting a catalytic reaction under the action of a meshed stainless steel catalyst obtained through acid etching and calcination pretreatment, generating the carbon nanotubes on a surface of the catalyst, and meanwhile generating high-purity hydrogen; and step three, after temperature drop, conducting ultrasonic treatment on a stainless steel mesh after the reaction, achieving physical stripping of the carbon nanotubes from the stainless steel mesh, then placing the stainless steel mesh subjected to secondary calcination in a system for recycling, andType: ApplicationFiled: April 27, 2022Publication date: March 28, 2024Inventors: Huiyan ZHANG, Dongyang JIANG, Qingyu LIU, Ru HONG, Bo PENG, Rui XIAO
-
Publication number: 20230419073Abstract: The present disclosure provides a method for predicting gasification characteristics of biomass char, including the following steps: step 10): acquiring training data of biomass char gasification; step 20): establishing a BP neural network model including an input layer, a hidden layer and an output layer, input parameters of the BP neural network model being char making temperature, char specific surface area and gasification time, and output parameters being char conversion rate; step 30): training the BP neural network model by adopting the training data, and optimizing the BP neural network model by adopting a particle swarm optimization algorithm to obtain a BP neural network model with high prediction precision; and step 40): predicting the char conversion rate by using the BP neural network model with high prediction precision.Type: ApplicationFiled: April 27, 2022Publication date: December 28, 2023Inventors: Huiyan ZHANG, Zhenting ZHA, Zefeng GE, Yuna MA
-
Publication number: 20230348804Abstract: A device for online co-production of carbon-containing precursors and high-quality oxygen-containing fuels from biomass pyrolysis gas includes a spray polymerization reactor, where a biomass pyrolysis gas inlet and a polymerization agent inlet are provided on the spray polymerization reactor, an outlet of the spray polymerization reactor is connected to an inlet of a catalytic reactor, and an outlet of the catalytic reactor is connected to an inlet of a condenser; a spray pipe is arranged at a top in the spray polymerization reactor, and a detachable collector for collecting the carbon-containing precursors is mounted at a bottom of the spray polymerization reactor; and a catalyst is arranged in the catalytic reactor, such that micromolecular pyrolysis gas is catalytically converted into the high-quality oxygen-containing fuels.Type: ApplicationFiled: December 20, 2021Publication date: November 2, 2023Inventors: Huiyan ZHANG, Ziwei LI, Rui XIAO, Xiaowen LI
-
System and method for preparing carbon nanofiber and hydrogen through continuous microwave pyrolysis
Patent number: 11760635Abstract: The present disclosure relates to a system and a method for preparing carbon nanofiber and hydrogen through continuous microwave pyrolysis. The system includes four apparatus. The melting and feeding apparatus is to heat and melt feedstocks. The microwave pyrolysis apparatus is for catalytic pyrolysis and includes a feedstock inlet, a gas outlet and a carbon outlet. The gas purification and utilization apparatus is for hydrogen purification and residual gas separation, The power generation apparatus includes a generator and a small internal combustion engine utilizing residual gas as fuel, and the generated smoke is conveyed to the melting and feeding apparatus for feedstocks melting. According to the present disclosure, a poly-generation system for co-producing high-performance carbon materials and hydrogen through plastic wastes with greatly increased energy utilization rate is formed to solve the technical problems of low product yield and high energy consumption in traditional pyrolysis.Type: GrantFiled: December 20, 2021Date of Patent: September 19, 2023Assignee: SOUTHEAST UNIVERSITYInventors: Huiyan Zhang, YIhan Wang, Xiaodi Li -
Publication number: 20230256356Abstract: The present disclosure relates to a pyrolysis bio-oil fractional condensation device and method capable of cooling medium self-circulation. The device includes a primary condensation system, a secondary condensation system and a cooling medium self-regulation heat exchange system. The primary condensation system uses the temperature-regulated cooling medium to condense the macromolecular tar by direct heat exchange with the pyrolysis volatiles. The condensed tar is heated, pushed and scraped with a rotary mechanism to prevent adhesion. The spray liquid in the secondary condensation system exchange heat with the uncondensed volatiles directly for secondary condensation.Type: ApplicationFiled: December 20, 2021Publication date: August 17, 2023Inventors: Huiyan ZHANG, Shuping ZHANG, Bo PENG, Rui XIAO
-
SYSTEM AND METHOD FOR PREPARING CARBON NANOFIBER AND HYDROGEN THROUGH CONTINUOUS MICROWAVE PYROLYSIS
Publication number: 20230192490Abstract: The present disclosure relates to a system and a method for preparing carbon nanofiber and hydrogen through continuous microwave pyrolysis. The system includes four apparatus. The melting and feeding apparatus is to heat and melt feedstocks. The microwave pyrolysis apparatus is for catalytic pyrolysis and includes a feedstock inlet, a gas outlet and a carbon outlet. The gas purification and utilization apparatus is for hydrogen purification and residual gas separation, The power generation apparatus includes a generator and a small internal combustion engine utilizing residual gas as fuel, and the generated smoke is conveyed to the melting and feeding apparatus for feedstocks melting. According to the present disclosure, a poly-generation system for co-producing high-performance carbon materials and hydrogen through plastic wastes with greatly increased energy utilization rate is formed to solve the technical problems of low product yield and high energy consumption in traditional pyrolysis.Type: ApplicationFiled: December 20, 2021Publication date: June 22, 2023Inventors: Huiyan ZHANG, Yihan WANG, Xiaodi LI -
Publication number: 20230134219Abstract: A biomass pyrolysis device and a biomass pyrolysis method is for optimal matching of thermal energy and microwave energy, wherein the device comprises a power generation system, a drying device and a microwave pyrolysis device; wherein the drying device is a cylinder nested with a flue gas layer and a material layer, a material inlet of the drying device is connected with a feeding device, and a volatile outlet is connected with a condensing unit; the microwave pyrolysis device is connected with a material outlet of the drying device, and a pyrolysis gas outlet of the microwave pyrolysis device is connected with the condensing unit; the condensing unit is connected with the power generation system, and waste gas generated by the power generation system is introduced into the flue gas layer of the drying device.Type: ApplicationFiled: December 22, 2020Publication date: May 4, 2023Inventors: Huiyan ZHANG, Shuping ZHANG, Qing DONG, Rui XIAO, Xiaodi LI
-
Publication number: 20230105763Abstract: A low-temperature plasma regeneration system and a low-temperature plasma regeneration method is for inactivated activated carbon, wherein the system comprises a gas supply system, a plasma reaction apparatus and a waste gas treatment apparatus, wherein the gas supply system is configured for supplying gas and water vapor; the plasma reaction apparatus comprises a top electrode, a grounded lower electrode, a regeneration reactor arranged between the electrodes, and a high-voltage alternating current power supply connected with the top electrode; a stirrer is arranged in the regeneration reactor, a gas inlet is arranged at the center position of the top of the reactor, and gas outlets are arranged around the reactor. The system of the present invention has a simple and compact structure, a convenient operation and a function of reaction-and-premix integration.Type: ApplicationFiled: December 22, 2020Publication date: April 6, 2023Inventors: Huiyan ZHANG, Jiawei WANG, Rui XIAO
-
Patent number: 9725653Abstract: Devices and methods for preparing oxygen-containing liquid fuel by bio-oil catalytic conversion. A device includes a biomass fast thermal cracking system for preparing bio-oil, a bio-oil oil-water separating system for separating the bio-oil into oil phase bio-oil and water phase bio-oil that is output to an oil phase bio-oil chemical chain hydrogen production system, and a water phase bio-oil catalytic hydrogenation system. The hydrogen production system outputs produced hydrogen to the water phase bio-oil catalytic hydrogenation system to prepare a liquid fuel. A method includes the steps: thermally cracking the biomass to prepare bio-oil, separating the water phase and the oil phase, producing hydrogen from the oil phase bio-oil through a chemical chain method so as to provide a hydrogen source for the water phase bio-oil to carry out two-stage catalytic hydrogenation in a slurry bed, and separating and purifying the hydrogenated products to obtain an oxygen-containing liquid fuel.Type: GrantFiled: December 5, 2012Date of Patent: August 8, 2017Assignee: SOUTHEAST UNIVERSITYInventors: Rui Xiao, Huiyan Zhang, Yong Zhang, Dekui Shen
-
Publication number: 20150099908Abstract: Devices and methods for preparing oxygen-containing liquid fuel by bio-oil catalytic conversion. A device includes a biomass fast thermal cracking system for preparing bio-oil, a bio-oil oil-water separating system for separating the bio-oil into oil phase bio-oil and water phase bio-oil that is output to an oil phase bio-oil chemical chain hydrogen production system, and a water phase bio-oil catalytic hydrogenation system. The hydrogen production system outputs produced hydrogen to the water phase bio-oil catalytic hydrogenation system to prepare a liquid fuel. A method includes the steps: thermally cracking the biomass to prepare bio-oil, separating the water phase and the oil phase, producing hydrogen from the oil phase bio-oil through a chemical chain method so as to provide a hydrogen source for the water phase bio-oil to carry out two-stage catalytic hydrogenation in a slurry bed, and separating and purifying the hydrogenated products to obtain an oxygen-containing liquid fuel.Type: ApplicationFiled: December 5, 2012Publication date: April 9, 2015Inventors: Rui Xiao, Huiyan Zhang, Yong Zhang, Dekui Shen
-
Publication number: 20130060070Abstract: The invention relates to methods for producing fluid hydrocarbon products, and more specifically, to methods for producing fluid hydrocarbon product via catalytic pyrolysis. The reactants comprise solid hydrocarbonaceous materials, and hydrogen or a source of hydrogen (e.g., an alcohol). The products may include specific aromatic compounds (e.g., benzene, toluene, naphthalene, xylene, etc.).Type: ApplicationFiled: August 13, 2012Publication date: March 7, 2013Applicant: UNIVERSITY OF MASSACHUSETTSInventors: George W. Huber, Huiyan Zhang, Torren Carlson
-
Patent number: 7818019Abstract: The present invention relates to technique for optimized assignment of Abis transmission resources based on dynamic statistical time division multiplexing, the method comprising the steps of: assigning a set of 64 k TS's to GPRS/EGPRS services on an Abis link, the set of 64 k TS's shared among all BTS's connected to the Abis interface; a PCU assigning sufficient Abis transmission resources to a TRX based on the load thereof if the TRX has EGPRS services; a BSC interconnecting Abis transmission resources and BSC-PCU transmission resources and informing a BTS that said Abis transmission resources have been assigned to a TRE mapped to the TRX; the PCU reassigning bandwidth of the Abis transmission resources based on changes in the load of the TRX; in each TRX, all RTS's statistical-time-division-multiplexing all transmission resources of the TRX based on flow in different periods for different RTS's.Type: GrantFiled: January 25, 2007Date of Patent: October 19, 2010Assignee: Alcatel LucentInventors: Enyuan Qian, Huiyan Zhang, Lingfeng Lin, Jun Song, Yang Wu, Chunting Li, Yi Zhang, Ke Feng
-
Publication number: 20070177543Abstract: The present invention relates to technique for optimized assignment of Abis transmission resources based on dynamic statistical time division multiplexing, the method comprising the steps of: assigning a set of 64 k TS's to GPRS/EGPRS services on an Abis link, the set of 64 k TS's shared among all BTS's connected to the Abis interface; a PCU assigning sufficient Abis transmission resources to a TRX based on the load thereof if the TRX has EGPRS services; a BSC interconnecting Abis transmission resources and BSC-PCU transmission resources and informing a BTS that said Abis transmission resources have been assigned to a TRE mapped to the TRX; the PCU reassigning bandwidth of the Abis transmission resources based on changes in the load of the TRX; in each TRX, all RTS's statistical-time-division-multiplexing all transmission resources of the TRX based on flow in different periods for different RTS's.Type: ApplicationFiled: January 25, 2007Publication date: August 2, 2007Applicant: Alcatel LucentInventors: Enyuan Qian, Huiyan Zhang, Lingfeng Lin, Jun Song, Yang Wu, Chunting Li, Yi Zhang, Ke Feng
-
Patent number: D1045173Type: GrantFiled: February 28, 2024Date of Patent: October 1, 2024Inventor: Huiyan Zhang