Patents by Inventor Zhinan Yu
Zhinan Yu 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).
-
Publication number: 20240382919Abstract: A short contact reaction system for preparing ethylene and propylene from methanol includes an MTO short contact reactor, a riser reactor, a dense bed, and a stripper. The MTO short contact reactor has the following components coaxially distributed from inside to outside: a methanol feeding pipeline, a filter pipe wall, a product gas channel, and a catalyst distributor arranged at the top of the reactor, and a seal pipe arranged at the bottom of the reactor. The seal pipe is located in the stripper. The diameter at the top of the product gas channel is smaller than the diameter at the bottom of the product gas channel. Methanol is in crossflow contact with the descending coked catalyst II in the MTO short contact reactor.Type: ApplicationFiled: September 28, 2022Publication date: November 21, 2024Inventors: Xiaohong LI, Guozhen QI, Zhinan YU, Fei PENG, Hongtao WANG, Yijun ZHENG
-
Patent number: 12117391Abstract: The present invention provides a method and a system for remote imaging of explosive gases in an area. The method comprises: illuminating the area with a light source having a uniform light intensity distribution over an infrared wavelength range; acquiring images of the illuminated area with an image sensor through gas detection filters having bandpass central wavelength corresponding to absorption curves of target gases respectively; determining existence of the target gases based on the acquired images; predicting distribution of gas concertation for existing target gases respectively by using a non-linear prediction model; and constructing gas distribution images of the area based on the predicted distribution of gas concertation. The present invention can recognize different gases with overlapping absorption curves and provide more accurate prediction of gas concentrations.Type: GrantFiled: March 21, 2023Date of Patent: October 15, 2024Assignee: Hong Kong Applied Science and Technology Research Institute Company LimitedInventors: Naixiang Wang, Mengting Wu, Yuelin Wang, Zhinan Yu, Ming Leung Vincent Tse
-
Patent number: 12105053Abstract: A method for classifying a glass object via acoustic analysis by a classifying apparatus is provided. The method including: receiving, by a processor, sound data of a knock sound generated by applying a knocking operation on the glass object; determining, by the processor, a type of the glass object by performing a knock-sound analysis to the sound data, wherein the type of the glass object includes an organic glass and an inorganic glass; if the type of the glass object is determined as the inorganic glass, receiving, by the processor, echo data of an echo induced by applying an ultrasonic-echo operation on the glass object; and determining, by the processor, a further type of the glass object by performing an echo-decay analysis to the echo data, wherein the further type of the glass object includes a crystal glass, a borosilicate glass and a soda-lime glass.Type: GrantFiled: March 7, 2022Date of Patent: October 1, 2024Assignee: Hong Kong Applied Science and Technology Research Institute Company LimitedInventors: Zhinan Yu, Chun Chung Chan
-
Publication number: 20240319085Abstract: The present invention provides a method and a system for remote imaging of explosive gases in an area. The method comprises: illuminating the area with a light source having a uniform light intensity distribution over an infrared wavelength range; acquiring images of the illuminated area with an image sensor through gas detection filters having bandpass central wavelength corresponding to absorption curves of target gases respectively; determining existence of the target gases based on the acquired images; predicting distribution of gas concertation for existing target gases respectively by using a non-linear prediction model; and constructing gas distribution images of the area based on the predicted distribution of gas concertation. The present invention can recognize different gases with overlapping absorption curves and provide more accurate prediction of gas concentrations.Type: ApplicationFiled: March 21, 2023Publication date: September 26, 2024Inventors: Naixiang WANG, Mengting WU, Yuelin WANG, Zhinan YU, Ming Leung Vincent TSE
-
Publication number: 20240246052Abstract: A fluidized bed reactor, a device for preparing low-carbon olefin, and a method for preparing low-carbon olefin are provided. The reaction zone of the fluidized bed reactor is sequentially, from bottom to top, provided with a raw material first distributor, a raw material second distributor and a catalyst distributor; the catalyst distributor is connected with the catalyst second feeding inlet; a dense-phase zone is formed between the raw material first distributor and the raw material second distributor, and the area where the catalyst distributor is located is formed as a catalyst distribution zone connected with the dense-phase zone; and at least one catalyst first feeding inlet(s) is provided on the side wall of reactor of the dense-phase zone. The distribution of the catalyst and the full contact of the catalyst with the raw materials can be achieved using the fluidized bed reactor and the device.Type: ApplicationFiled: June 23, 2022Publication date: July 25, 2024Inventors: Hongyuan ZONG, Guozhen QI, Pan GAO, Xiaohong LI, Jing CAO, Zhinan YU, Yanxue WANG, Fei PENG
-
Publication number: 20230348340Abstract: A device for mixing at least two granular materials has a first lifting tube used for loading first particles and a second lifting tube surrounding and coaxial to the first lifting tube and used for loading second particles. The upper part of said first lifting tube extends beyond the top of said second lifting tube, and at least part of the upper part of the first lifting tube and at least part of the upper part of the second lift tube are located inside a fast bed precipitator, allowing the first and second particles to be transported by means of the first and second lifting tubes to the interior of said fast bed precipitator and mixed.Type: ApplicationFiled: September 15, 2021Publication date: November 2, 2023Inventors: Hongyuan ZONG, Xiaohong LI, Guozhen QI, Hongtao WANG, Zhinan YU, Yijun ZHENG, Li WANG
-
Publication number: 20230137544Abstract: The present invention relates to a process of converting methanol to olefins, comprising: feeding a feedstock comprising methanol to a fluidized bed reactor to contact with catalysts to produce an olefin product, wherein the process at least partially deactivates the catalysts to format least partially deactivated catalysts; feeding spent catalysts from the at least partially deactivated catalysts to a regenerator for regeneration, thereby forming regenerated catalysts, and returning the activated catalysts from the regenerated catalysts to the reactor via a regenerated catalyst line; characterized in that on the regenerated catalyst line, the oxygen content by volume in the gas phase component at the outlet of the regenerated catalyst line is controlled to be less than 0.1%, preferably less than 0.05%, and more preferably less than 0.01%.Type: ApplicationFiled: March 12, 2021Publication date: May 4, 2023Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPECInventors: Hongyuan ZONG, Guozhen QI, Jing CAO, Hongtao WANG, Zhinan YU, Yijun ZHENG
-
Publication number: 20230139652Abstract: The invention relates to a method for regulating the gas velocity of the empty bed in a fluidized bed, wherein solid catalysts are used as fluidized particles or as a part of fluidized particles, characterized in that the gas velocity of the empty bed ? of the reaction zone of the fluidized bed is measured, compared with the bed average catalyst density ? of the solid catalysts in the reaction zone of the fluidized bed, the gas velocity of the empty bed ? being adjusted as required such that the gas velocity of the empty bed ? and the bed average catalyst density ? satisfy the formula (I) below: ?=0.356?3?4.319?2?35.57?+M; wherein M=250?; where ? is provided in m/s and ? is provided in kg/m3. The method can be used for the industrial production of lower olefin.Type: ApplicationFiled: September 16, 2020Publication date: May 4, 2023Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPECInventors: Hongyuan ZONG, Guozhen QI, Jing CAO, Xiaohong LI, Zhinan YU, Li WANG
-
Publication number: 20220341880Abstract: A method for classifying a glass object via acoustic analysis by a classifying apparatus is provided. The method including: receiving, by a processor, sound data of a knock sound generated by applying a knocking operation on the glass object; determining, by the processor, a type of the glass object by performing a knock-sound analysis to the sound data, wherein the type of the glass object includes an organic glass and an inorganic glass; if the type of the glass object is determined as the inorganic glass, receiving, by the processor, echo data of an echo induced by applying an ultrasonic-echo operation on the glass object; and determining, by the processor, a further type of the glass object by performing an echo-decay analysis to the echo data, wherein the further type of the glass object includes a crystal glass, a borosilicate glass and a soda-lime glass.Type: ApplicationFiled: March 7, 2022Publication date: October 27, 2022Inventors: Zhinan YU, Chun Chung CHAN
-
Patent number: 11402326Abstract: Systems and methods in which multi-dimensional metric monitoring is used with respect to multi-wavelength scattering for smoke detection are described. A multi-dimensional metric may dynamically track a slope of a relationship between scattered light of multiple wavelengths of scattered light being monitored. A multi-dimensional metric monitoring smoke detection algorithm may utilize multi-dimensional thresholds with respect to monitoring of the multi-dimensional metric for initiating a fire alarm and resetting the fire alarm. An optical measuring chamber utilized for providing multi-wavelength scattering signals utilized in deriving a multi-dimensional metric for smoke detection may be configured for wide-scattering-angle signal collection, such as using a light trapping sub-chamber having a light-guide diaphragm assembly configured for wide-scattering-angle signal collection.Type: GrantFiled: September 25, 2020Date of Patent: August 2, 2022Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.Inventors: Zhinan Yu, Chun Chung Chan, Jiangquan Mai, Fangyi Shi
-
Publication number: 20220099572Abstract: Systems and methods in which multi-dimensional metric monitoring is used with respect to multi-wavelength scattering for smoke detection are described. A multi-dimensional metric may dynamically track a slope of a relationship between scattered light of multiple wavelengths of scattered light being monitored. A multi-dimensional metric monitoring smoke detection algorithm may utilize multi-dimensional thresholds with respect to monitoring of the multi-dimensional metric for initiating a fire alarm and resetting the fire alarm. An optical measuring chamber utilized for providing multi-wavelength scattering signals utilized in deriving a multi-dimensional metric for smoke detection may be configured for wide-scattering-angle signal collection, such as using a light trapping sub-chamber having a light-guide diaphragm assembly configured for wide-scattering-angle signal collection.Type: ApplicationFiled: September 25, 2020Publication date: March 31, 2022Inventors: Zhinan Yu, Chun Chung Chan, Jiangquan Mai, Fangyi Shi
-
Patent number: 9895671Abstract: A fluidized bed reactor is provided, comprising an inlet zone at a lower position, an outlet zone at an upper position, and a reaction zone between the inlet zone and the outlet zone. A guide plate with through holes is disposed in the reaction zone, comprising a dense channel region in an intermediate region thereof and a sparse channel region disposed on a periphery thereof and encompassing the dense channel region. Catalysts in said fluidized bed reactor can be homogeneously distributed in the reaction zone thereof, whereby the reaction efficiency can be improved. A reaction regeneration apparatus comprising said fluidized bed reactor, and a process for preparing olefins from oxygenates and a process for preparing aromatic hydrocarbons from oxygenates using the reaction regeneration apparatus.Type: GrantFiled: October 13, 2015Date of Patent: February 20, 2018Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPECInventors: Weimin Yang, Xiaohong Li, Siqing Zhong, Guozhen Qi, Jun Xu, Zhinan Yu
-
Patent number: 9855539Abstract: Device for use in a fluidized bed reactor includes a gas-solid separator communicated with an outlet of the fluidized bed reactor; a vertically arranged damper, a solid outlet of the gas-solid separator communicated with a lower region of the damper, a gas outlet of the gas-solid separator communicated with an upper region of the damper; a fine gas-solid separator, an inlet of the fine gas-solid separator communicated with the upper region of the damper, and a solid outlet of the fine gas-solid separator communicated with the lower region of the damper. Product from the fluidized bed reactor is fed into the preliminary gas-solid separator, most solid catalysts separated and fed into the lower region; the product entraining the rest catalysts is fed into the upper region, and into the fine gas-solid separator, the rest catalysts fed into the lower region; and final product is obtained from the fine gas-solid separator.Type: GrantFiled: October 13, 2015Date of Patent: January 2, 2018Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY SINOPECInventors: Jun Xu, Songyuan Gu, Siqing Zhong, Yongming Jin, Zhinan Yu, Guozhen Qi, Xiaohong Li
-
Publication number: 20160102033Abstract: A fluidized bed reactor is provided, comprising an inlet zone at a lower position, an outlet zone at an upper position, and a reaction zone between the inlet zone and the outlet zone. A guide plate with through holes is disposed in the reaction zone, comprising a dense channel region in an intermediate region thereof and a sparse channel region disposed on a periphery thereof and encompassing the dense channel region. Catalysts in said fluidized bed reactor can be homogeneously distributed in the reaction zone thereof, whereby the reaction efficiency can be improved. A reaction regeneration apparatus comprising said fluidized bed reactor, and a process for preparing olefins from oxygenates and a process for preparing aromatic hydrocarbons from oxygenates using the reaction regeneration apparatus.Type: ApplicationFiled: October 13, 2015Publication date: April 14, 2016Applicants: China Petroleum & Chemical Corporation, Shanghai Research Institute of Petrochemical Technology SINOPECInventors: Weimin YANG, Xiaohong LI, Siqing ZHONG, Guozhen QI, Jun XU, Zhinan YU
-
Publication number: 20160101396Abstract: Device for use in a fluidized bed reactor includes a gas-solid separator communicated with an outlet of the fluidized bed reactor; a vertically arranged damper, a solid outlet of the gas-solid separator communicated with a lower region of the damper, a gas outlet of the gas-solid separator communicated with an upper region of the damper; a fine gas-solid separator, an inlet of the fine gas-solid separator communicated with the upper region of the damper, and a solid outlet of the fine gas-solid separator communicated with the lower region of the damper. Product from the fluidized bed reactor is fed into the preliminary gas-solid separator, most solid catalysts separated and fed into the lower region; the product entraining the rest catalysts is fed into the upper region, and into the fine gas-solid separator, the rest catalysts fed into the lower region; and final product is obtained from the fine gas-solid separator.Type: ApplicationFiled: October 13, 2015Publication date: April 14, 2016Applicants: CHINA PETROLEUM & CHEMICAL CORPORATION, Shanghai Research Institute Of Petrochemical Technology, SINOPECInventors: Jun XU, Songyuan GU, Siqing ZHONG, Yongming JIN, Zhinan YU, Guozhen QI, Xiaohong LI
-
Patent number: 9295963Abstract: A process for producing light olefins is provided. A feedstock enters a pre-reaction zone and contacts a catalyst comprising at least one silicon-aluminophosphate molecular sieve and produces a gas-phase stream; the gas-phase stream and the catalyst enter at least one riser, and the gas-phase stream and the catalyst pass from an outlet of the at least one riser and enter a gas-solid rapid separation zone; the separated gas-phase stream enters a separation section; a first portion of the separated catalyst returns to the pre-reaction zone, and a second portion is regenerated in a regenerator; wherein an inlet of the at least one riser extends into the pre-reaction zone, about 60% to about 90% of the height of the at least one riser passes through a heat exchange zone, and the outlet extends into the gas-solid rapid separation zone.Type: GrantFiled: March 5, 2014Date of Patent: March 29, 2016Assignees: China Petroleum & Chemical Corporation, Shanghai Research Institute of Petrochemical Technology, SinopecInventors: Guozhen Qi, Siqing Zhong, Wei Chen, Zhinan Yu
-
Patent number: 9233350Abstract: The invention provides a start-up method for a reaction-regeneration unit for preparing light olefins from methanol, which comprises: (a) heating a regenerator with an auxiliary combustion chamber and a reactor with a start-up furnace; (b) charging a catalyst into the regenerator and reactor; (c) closing a spent catalyst slide valve and a regenerated catalyst slide valve after the reactor reaches about 350° C. or more; (d) feeding methanol to the reactor after the dense phase stage of the regenerator reaches about 350° C. or more; (e) opening the spent catalyst slide valve and introducing a carbon deposited catalyst from the reactor to the regenerator after the dense phase stage reaches about 400° C. or more and the average amount of carbon deposits on the catalyst in the reactor reaches about 2.5% or more; (f) raising the regenerator to above about 580° C.; and (g) stopping the start-up furnace and auxiliary combustion chamber.Type: GrantFiled: January 8, 2013Date of Patent: January 12, 2016Assignees: CHINA PETROLEUM & CHEMICAL CORPORATION, SHANGHAI RESEARCH INSTITUTE OF PETROCHEMICAL TECHNOLOGY, SINOPECInventors: Guozhen Qi, Siqing Zhong, Zhinan Yu, Yongming Jin
-
Publication number: 20140186231Abstract: A process for producing light olefins is provided. A feedstock enters a pre-reaction zone and contacts a catalyst comprising at least one silicon-aluminophosphate molecular sieve and produces a gas-phase stream; the gas-phase stream and the catalyst enter at least one riser, and the gas-phase stream and the catalyst pass from an outlet of the at least one riser and enter a gas-solid rapid separation zone; the separated gas-phase stream enters a separation section; a first portion of the separated catalyst returns to the pre-reaction zone, and a second portion is regenerated in a regenerator; wherein an inlet of the at least one riser extends into the pre-reaction zone, about 60% to about 90% of the height of the at least one riser passes through a heat exchange zone, and the outlet extends into the gas-solid rapid separation zone.Type: ApplicationFiled: March 5, 2014Publication date: July 3, 2014Applicants: Shanghai Research Institute of Petrochemical Technology, Sinopec, CHINA PETROLEUM & CHEMICAL CORPORATIONInventors: Guozhen QI, Siqing ZHONG, Wei CHEN, Zhinan YU
-
Patent number: 8692045Abstract: A process for producing light olefins is provided. A feedstock enters a pre-reaction zone and contacts a catalyst comprising at least one silicon-aluminophosphate molecular sieve and produces a gas-phase stream; the gas-phase stream and the catalyst enter at least one riser, and the gas-phase stream and the catalyst pass from an outlet of the at least one riser and enter a gas-solid rapid separation zone; the separated gas-phase stream enters a separation section; a first portion of the separated catalyst returns to the pre-reaction zone, and a second portion is regenerated in a regenerator; wherein an inlet of the at least one riser extends into the pre-reaction zone, about 60% to about 90% of the height of the at least one riser passes through a heat exchange zone, and the outlet extends into the gas-solid rapid separation zone.Type: GrantFiled: November 16, 2011Date of Patent: April 8, 2014Assignees: China Petroleum & Chemical Corporation, Shanghai Research Institute of Petrochemical TechnologyInventors: Guozhen Qi, Siqing Zhong, Wei Chen, Zhinan Yu
-
Publication number: 20120123179Abstract: A process for producing light olefins. A feedstock enters a pre-reaction zone and contacts a catalyst comprising at least one silicon-aluminophosphate molecular sieve and produces a gas-phase stream and a catalyst to be regenerated; the gas-phase stream and catalyst to be regenerated enter at least one riser, and the gas-phase stream and catalyst to be regenerated pass from an outlet of the at least one riser and enter a gas-solid rapid separation zone; the separated gas-phase stream enters a separation section; a first portion of the separated catalyst returns to the pre-reaction zone, and a second portion is regenerated in a regenerator; wherein an inlet of the at least one riser extends into the pre-reaction zone, about 60% to about 90% of the height of the at least one riser passes through a heat exchange zone, and the outlet extends into the gas-solid rapid separation zone.Type: ApplicationFiled: November 16, 2011Publication date: May 17, 2012Inventors: Guozhen QI, Siqing Zhong, Wei Chen, Zhinan Yu