Patents Assigned to University of Science and Technology Beijing
  • Patent number: 12264879
    Abstract: A kiln system is provided, including a drying section, a preheating section, a firing section, a soaking section, a cooling section, and a decarburization section arranged between the drying section and the preheating section. The decarburization section includes an ignition zone, a hot air combustion/pyrolysis zone, and a waste heat recovery pipeline. A heat source is introduced into the ignition zone so that the temperature of the ceramsite of the raw materials with heating values in the zone is 400° C. to 900° C. The hot air combustion/pyrolysis zone is configured for combusting or pyrolyzing carbon-containing materials and organic components in the raw materials with heating values in the ceramsite. The waste heat recovery pipeline is configured for discharging decarburization exhaust gas and recovering heat released after the raw materials with heating values in the ceramsite are combusted or pyrolyzed in the decarburization exhaust gas.
    Type: Grant
    Filed: January 27, 2022
    Date of Patent: April 1, 2025
    Assignees: University of Science and Technology Beijing, Shandong Econ Energy Saving Technology Co., Ltd
    Inventors: Yu Li, Changqing Yao
  • Publication number: 20250075290
    Abstract: A multi-source solid waste recycling method based on composition design for calcium-silicon-aluminum-magnesium oxide includes collecting multi-source solid waste composition data; calculating and designing compositions of calcium oxide, silicon oxide, aluminum oxide and magnesium oxide units to obtain an inorganic non-metallic raw material with a target composition; and melts the raw material into slag, and uses carbon, metallic aluminum, aluminum nitride, aluminum carbide, silicon nitride and silicon carbide in the multi-source solid waste as reducing agents. The slag provides a high-temperature homogeneous reaction environment and serves as a “solvent” for reactants, the reducing agents reduce valuable metals in the slag to obtain an alloy, thereby achieving recovery of the valuable metals, and the slag is used for the inorganic non-metallic material in a high-value mode.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 6, 2025
    Applicant: University of Science and Technology Beijing
    Inventors: Shengen ZHANG, Hanlin SHEN, Bo LIU
  • Patent number: 12242779
    Abstract: A machine learning-based method for designing a high-strength high-toughness steel, including: (S1) obtaining data and filling in missing parts to form a data set; (S2) selecting feature data in the data set to form a standard data set; (S3) constructing two machine learning models of the high-strength high-toughness steel; (S4) completing training after the two models are evaluated to be qualified; (S5) finding frontier points, drawing a Pareto front, and distinguishing a known region and a feature space; (S6) in the feature space, setting a step for the feature data, drawing a grid space, and performing multiple training predictions on each grid point by using the models, to obtain predicted Gaussian distributions of two objectives; and (S7) searching for an expected improvement point through an efficient global optimization algorithm, and obtaining design parameter values of corresponding features.
    Type: Grant
    Filed: July 28, 2021
    Date of Patent: March 4, 2025
    Assignee: University of Science and Technology Beijing
    Inventors: Yu Yan, Ruize Sun, Mingxing Lu, Yanjing Su, Lijie Qiao
  • Patent number: 12234521
    Abstract: The application provides a method for controlling nitrogen in steelmaking by spraying hydrogen containing plasma, including: using a mixture of hydrogen rich gas and argon gas to generate hydrogen plasma for denitrification of molten steel during at least one of arc furnace smelting, ladle refining, VOD refining, and RH refining. The method for controlling nitrogen in steelmaking by spraying hydrogen containing plasma provided in the application can effectively remove nitrogen from the molten steel by spraying a mixture of argon gas and hydrogen rich gas into the molten steel through a hollow electrode and plasma torch, reducing electrode consumption and electricity consumption per ton steel, and also reducing arc radiation heat loss, improving heating rate, thereby shortening smelting time and reducing production costs.
    Type: Grant
    Filed: May 21, 2024
    Date of Patent: February 25, 2025
    Assignees: Xuanhua Iron and Steel Group Co., Ltd., University of Science and Technology Beijing, HBZX HIGH TECH CO., LTD.
    Inventors: Hongbin Wang, Guangsheng Wei, Rong Zhu, Minghai Zhang, Jinlong Wang, Jianping Jia, Yongqiang Yang, Jianzhong Wang, Yunxiang Zhao, Xin Li, Ceng Li, Huan Chang
  • Patent number: 12230401
    Abstract: The present disclosure provides an intelligent decision reasoning method for type-based diagnosis and treatment of a cardiovascular disease, a device, and a product, and relates to the medical field. The present disclosure adopts a risk factor mining model of a cardiovascular disease and a drug attribute association mining model of the cardiovascular disease to extract relevant information from cardiovascular data, achieving precise prediction of a fine-grained cardiovascular disease type and effectively promoting precision medicine. Based on a clinical diagnostic dataset and a clinical symptom diagnosis knowledge system of the cardiovascular disease, a type-based auxiliary diagnosis model of the cardiovascular disease is constructed, and intelligent decision reasoning is performed to obtain an association rule.
    Type: Grant
    Filed: April 3, 2024
    Date of Patent: February 18, 2025
    Assignees: University of Science and Technology Beijing, Peking Union Medical College
    Inventors: Hongzhen Cui, Meihua Piao, Yunfeng Peng, Shichao Wang, Longhao Zhang, Haoming Ma, Xiaoyue Zhu
  • Patent number: 12226826
    Abstract: The present invention provides a high-strength and high-plasticity titanium matrix composite and a preparation method thereof. The preparation method includes: preparing high-oxygen hydride-dehydride titanium powder using a high-temperature rotary ball grinding treatment process, in which the prepared hydride-dehydride titanium powder has a particle size of 10-40 ?m, and has an oxygen content of 0.8-1.5 wt. %; preparing high-purity ultra-fine oxygen adsorbent powder using a wet grinding method of high-energy vibration ball grinding treatment process; in which a purity of the oxygen adsorbent powder is ?99.9%, and a particle size of the oxygen adsorbent powder is ?8 ?m; mixing the high-oxygen hydride-dehydride titanium powder with the oxygen adsorbent powder in a protective atmosphere, and then press-forming the powder obtained after mixing to obtain a raw material blank; and performing atmosphere protective sintering treatment on the raw material blank to obtain a titanium matrix composite.
    Type: Grant
    Filed: August 17, 2020
    Date of Patent: February 18, 2025
    Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
    Inventors: Xin Lu, Yu Pan, Yucheng Yang, Jiazhen Zhang, Wei Xu, Bowen Liu, Ce Zhang, Jianzhuo Sun, Yanjun Liu, Xuanhui Qu
  • Patent number: 12221679
    Abstract: Disclosed are an antimicrobial high-entropy alloy FeCoNiCrCe and a preparation method thereof, falling within the technical field of high-entropy alloys. The high-entropy alloy in the present disclosure has an expression: FeCoNiCrCex, 0.1?x?0.5, and a proportion of each element is a molar ratio. In the present disclosure, the microstructure and mechanical and antimicrobial performances of high-entropy alloy FeCoNiCrCex are improved by adjusting a content of Ce.
    Type: Grant
    Filed: February 27, 2024
    Date of Patent: February 11, 2025
    Assignee: University of Science and Technology Beijing
    Inventors: Hongchang Qian, Jianguo Gao, Weiwei Chang, Dawei Zhang
  • Publication number: 20250011941
    Abstract: This invention pertains to corrosion inhibition, specifically involving a Platanus acerifolia leaf extract inhibitor. The extract serves to inhibit corrosion of copper in sulfuric acid or steel in hydrochloric acid. In sulfuric acid, inhibition efficiency reaches 96.7%, while in hydrochloric acid, it achieves 93.1% efficiency on Q235 steel. This Platanus acerifolia leaf extract inhibitor exhibits robust corrosion inhibition on copper in sulfuric acid and steel in hydrochloric acid, offering comprehensive anti-corrosion performance suitable for various materials.
    Type: Application
    Filed: March 7, 2024
    Publication date: January 9, 2025
    Applicant: University of Science and Technology Beijing
    Inventors: Yujie QIANG, Boyuan RAN, Xianghong LI, Tengfei XIANG, Yu WAN, Yusheng LI
  • Patent number: 12162065
    Abstract: A thin metal strip continuous casting method using momentum flow distribution, comprising the steps of: adjusting the position of a flow distribution device (2), and starting a double-roller thin strip continuous casting apparatus; molten metal (3) forming a uniform sheet-shaped molten metal flow (4) having an initial momentum after the molten metal (3) passes through the flow distribution device; the sheet-shaped molten metal flow entering a molten pool (5) at a superheat degree of 50-100° C. and an initial velocity of 0.5-2 m/s, wherein the flow distribution device is spaced apart from the molten pool; under the action of the initial velocity of the molten metal and in the molten pool, forming a whirlpool, which is adjacent to surfaces of two cooling rollers and has a momentum stirring action; and completing the solidification of the molten metal under the momentum stirring action of the whirlpool along with the rotation of the two cooling rollers.
    Type: Grant
    Filed: July 21, 2022
    Date of Patent: December 10, 2024
    Assignee: University of Science and Technology Beijing
    Inventors: Cheng Zhou, Dongpo Xuan, You Zhou, Tianliang Jiang, Biji Zhu, Wenhao Fan, Zhihao Zhang, Jianxin Xie
  • Publication number: 20240401161
    Abstract: The application provides a method for controlling nitrogen in steelmaking by spraying hydrogen containing plasma, including: using a mixture of hydrogen rich gas and argon gas to generate hydrogen plasma for denitrification of molten steel during at least one of arc furnace smelting, ladle refining, VOD refining, and RH refining. The method for controlling nitrogen in steelmaking by spraying hydrogen containing plasma provided in the application can effectively remove nitrogen from the molten steel by spraying a mixture of argon gas and hydrogen rich gas into the molten steel through a hollow electrode and plasma torch, reducing electrode consumption and electricity consumption per ton steel, and also reducing arc radiation heat loss, improving heating rate, thereby shortening smelting time and reducing production costs.
    Type: Application
    Filed: May 21, 2024
    Publication date: December 5, 2024
    Applicants: Xuanhua Iron and Steel Group Co., Ltd., University of Science and Technology Beijing, HBZX HIGH TECH CO., LTD.
    Inventors: Hongbin WANG, Guangsheng WEI, Rong ZHU, Minghai ZHANG, Jinlong WANG, Jianping JIA, Yongqiang YANG, Jianzhong WANG, Yunxiang ZHAO, Xin LI, Ceng LI, Huan CHANG
  • Publication number: 20240401237
    Abstract: Disclosed is a method for preparing a directionally solidified TiAl alloy, including: (1) melting and casting a master alloy to obtain a TiAl alloy ingot; (2) processing the TiAl alloy ingot into a sample rod, and placing the sample rod into a refractory metal crucible and then assembling the refractory metal crucible to a directional solidification furnace; (3) vacuumizing the directional solidification furnace, and heating the directional solidification furnace to gradually raise a temperature to exceed a melting point of the sample rod, and conducting heat preservation to melt the sample rod uniformly to obtain a molten TiAl alloy; and (4) directionally pulling the molten TiAl alloy after the heat preservation to allow directional growth to a growth length, stopping the directionally pulling, and taking out an obtained sample to obtain a test rod of the directionally solidified TiAl.
    Type: Application
    Filed: March 19, 2024
    Publication date: December 5, 2024
    Applicant: University of Science and Technology Beijing
    Inventors: Yongfeng Liang, Fuqiang Zhang, Junpin Lin, Leming Xu, Gang Yang, Xianfei Ding
  • Patent number: 12157931
    Abstract: The present disclosure provides a method for co-extraction of vanadium, titanium and chromium from vanadium slag. The method selectively reduces pyroxene and fayalite wrapped on spinel through low-temperature hydrogen reduction, iron removal by ferric chloride, and low-temperature leaching of the vanadium slag by oxalic acid, thereby destroying a structure of the spinel, dissociating a spinel phase and a silicate phase, and fully exposing the spinel phase. The method also directly leaches the vanadium slag at a low temperature by acidity and strong complexation of the oxalic acid, and destroys the structure of the spinel, such that vanadium, titanium, chromium and oxalate are complexed into a solution to co-extract vanadium, titanium and chromium. The present disclosure extracts vanadium, titanium and chromium from the vanadium slag, with a leaching rate each being greater than 99%.
    Type: Grant
    Filed: May 9, 2022
    Date of Patent: December 3, 2024
    Assignee: University of Science and Technology Beijing
    Inventors: Baijun Yan, Zihui Dong, Jie Zhang
  • Patent number: 12152212
    Abstract: Disclosed is a method for recycling a coal liquefaction residue. The method includes S1, drying a coal liquefaction residue and pulverizing to obtain a pulverized coal liquefaction residue; S2, subjecting the pulverized coal liquefaction residue to a solvothermal extraction in an autoclave to obtain an extract liquid and a residue; S3, distilling the extract liquid and recovering an organic solvent to obtain a solid extract.
    Type: Grant
    Filed: June 14, 2022
    Date of Patent: November 26, 2024
    Assignee: University of Science and Technology Beijing
    Inventors: Haibin Zuo, Yajie Wang
  • Patent number: 12146200
    Abstract: A method for controlling a temperature of a molten steel during ladle furnace (LF) refining based on interpretable machine learning includes: acquiring process data of the LF refining and a target temperature of the molten steel during the LF refining; acquiring a prediction model for the temperature of the molten steel during the LF refining; calculating a base value for prediction of the temperature of the molten steel, SHapley Additive explanations (SHAP) values of key factor parameters, and a relationship trend between the key factor parameters and the SHAP values; and calculating a predicted value of the temperature of the molten steel during the LF refining, and acquiring a control result for the temperature of the molten steel during the LF refining according to the relationship trend and the predicted value of the temperature of the molten steel during the LF refining.
    Type: Grant
    Filed: May 6, 2024
    Date of Patent: November 19, 2024
    Assignee: University of Science and Technology Beijing
    Inventors: Qing Liu, Zicheng Xin, Jiangshan Zhang
  • Patent number: 12147742
    Abstract: A method for numerical reconstruction and heat transfer characteristics evaluation of a microstructure of thermal barrier coatings containing microcracks includes the following steps: determining a simulation area and size settings, generating random microcracks with different morphological characteristics and placing the microcracks in the simulation area, and determining whether a space occupied by the microcracks reaches a porosity ratio of the preset microcracks, building a general pore model of thermal barrier coatings (TBCs) based on the QSGS method, reconstructing true mesoscopic morphologies of the TBCs, determining whether the preset volume fraction has been reached, and building a heat transfer analysis model based on the thermal Lattice Boltzmann method to calculate heat insulation performance parameters such as temperature distribution, and thermal conductivity.
    Type: Grant
    Filed: September 27, 2023
    Date of Patent: November 19, 2024
    Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
    Inventors: Ningning Liu, Linjing Huang, Ruifeng Dou, Mengqi Yu, Linxi Zhang, Zhi Wen, Xunliang Liu
  • Patent number: 12139974
    Abstract: A petroleum drill-string shock absorber includes a drill collar nipple, a driving unit, an outer shell, a helical guideway, a drill bit base, a woven metal ring and a vibration-absorbing composite beam, the vibration-absorbing composite beam consists of a sheet metal and a flexible material gasket bonded by an adhesive; the drill collar nipple is connected with the helical guideway; the helical guideway is connected with the drill bit base; the driving unit rotates on the helical guideway; the outer shell is connected with the drill bit base; a metal seal ring is configured to seal a space formed between the outer shell and the drill collar nipple, a sealed space is formed among the drill collar nipple, the outer shell and the drill bit base; the woven metal ring is placed between the helical guideway and the drill bit base configured to absorb an axial impact vibration.
    Type: Grant
    Filed: March 22, 2022
    Date of Patent: November 12, 2024
    Assignees: University of Science and Technology Beijing, Shunde Graduate School, University of Science and Technology Beijing
    Inventors: Haiping Liu, Qi Lv, Dashan Shen, Donghang Han, Dongmei Zhu
  • Publication number: 20240367221
    Abstract: A thin metal strip continuous casting method using momentum flow distribution, comprising the steps of: adjusting the position of a flow distribution device (2), and starting a double-roller thin strip continuous casting apparatus; molten metal (3) forming a uniform sheet-shaped molten metal flow (4) having an initial momentum after the molten metal (3) passes through the flow distribution device; the sheet-shaped molten metal flow entering a molten pool (5) at a superheat degree of 50-100° C. and an initial velocity of 0.5-2 m/s, wherein the flow distribution device is spaced apart from the molten pool; under the action of the initial velocity of the molten metal and in the molten pool, forming a whirlpool, which is adjacent to surfaces of two cooling rollers and has a momentum stirring action; and completing the solidification of the molten metal under the momentum stirring action of the whirlpool along with the rotation of the two cooling rollers.
    Type: Application
    Filed: July 21, 2022
    Publication date: November 7, 2024
    Applicant: University of Science and Technology Beijing
    Inventors: Cheng Zhou, Dongpo Xuan, You Zhou, Tianliang Jiang, Biji Zhu, Wenhao Fan, Zhihao Zhang, Jianxin Xie
  • Patent number: 12128893
    Abstract: An intervention-based shared control method and apparatus in forward collision avoidance scenario of autonomous vehicle includes: acquiring vehicle state data of the autonomous vehicle and inputting the vehicle state data into a constructed forward collision avoidance control model to obtain an optimal nominal collision avoidance trajectory of the autonomous vehicle; and acquiring steering input data of a driver in controlling the autonomous vehicle, and obtaining the shared control method in the forward collision avoidance scenario of the autonomous vehicle. The present disclosure proposes a vehicle model decoupling method for control solution and risk prediction in a high-velocity forward collision avoidance scenario.
    Type: Grant
    Filed: December 27, 2023
    Date of Patent: October 29, 2024
    Assignee: University of Science and Technology Beijing
    Inventors: Jingliang Duan, Liming Xiao, Junjie Zhao, Guangyuan Yu, Xuan Li, Chen Huang, Fei Ma
  • Patent number: 12123063
    Abstract: A converter bottom blowing system comprises a first gas source connected in parallel with a lime powder silo, a lime powder blowing tank and a first injector, where a first cut-off valve is arranged between the lime powder blowing tank and the first injector; a second gas source connected in parallel with the biochar powder silo, the biochar powder blowing tank and the second injector, where a second cut-off valve is arranged between the biochar powder blowing tank and the second injector; a converter, where a plurality of bottom blowing lances are arrayed at a bottom of a converter, the bottom blowing lances are connected with the first injector and the second injector through a three-way valve, a third cut-off valve is arranged between the first injector and the three-way valve, and a fourth cut-off valve is arranged between the second injector and the three-way valve.
    Type: Grant
    Filed: August 30, 2023
    Date of Patent: October 22, 2024
    Assignees: University of Science and Technology Beijing, Beijing Kemi Rongcheng Energy Technology Co., Ltd.
    Inventors: Kai Dong, Xin Ren, Rong Zhu, Guangsheng Wei, Chao Feng, Rongfang Su, Shaoyan Hu, Yun Zhou, Chunyang Wang, Zhitao Xue, Linghui Meng
  • Publication number: 20240286143
    Abstract: Solid-liquid separation equipment includes a pulverizing and drying device. The pulverizing and drying device includes a pulverizing device and a drying device connected with one another. The pulverizing device has a pulverizing shell, an inlet, a main shaft and impellers, and the main shaft and the impellers are arranged in the pulverizing shell. The impellers are configured to rotate around the main shaft. The inlet forms a sidewall of the pulverizing shell and is intersected with the main shaft or an extension line of the main shaft. A gap is defined between an outer peripheral end of the impeller and the wall of the pulverizing shell. The sludge is efficiently and deeply dried in a condition with no phase change. The sludge is graded, pulverized and dried. During the pulverizing and drying process, the water is liquefied and centrifugally separated, and the water is not completely phase-transformed and removed.
    Type: Application
    Filed: February 20, 2024
    Publication date: August 29, 2024
    Applicants: University of Science and Technology Beijing, Suzhou Weihang Environmental Technology Co., LTD.
    Inventors: Chen HONG, Yanxiao SI, Jirong LI, Yang WANG