Patents Assigned to University of Science and Technology Beijing
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Patent number: 12221679Abstract: 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: GrantFiled: February 27, 2024Date of Patent: February 11, 2025Assignee: University of Science and Technology BeijingInventors: Hongchang Qian, Jianguo Gao, Weiwei Chang, Dawei Zhang
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Publication number: 20250011941Abstract: 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: ApplicationFiled: March 7, 2024Publication date: January 9, 2025Applicant: University of Science and Technology BeijingInventors: Yujie QIANG, Boyuan RAN, Xianghong LI, Tengfei XIANG, Yu WAN, Yusheng LI
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Patent number: 12162065Abstract: 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: GrantFiled: July 21, 2022Date of Patent: December 10, 2024Assignee: University of Science and Technology BeijingInventors: Cheng Zhou, Dongpo Xuan, You Zhou, Tianliang Jiang, Biji Zhu, Wenhao Fan, Zhihao Zhang, Jianxin Xie
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Publication number: 20240401161Abstract: 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: ApplicationFiled: May 21, 2024Publication date: December 5, 2024Applicants: 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
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Publication number: 20240401237Abstract: 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: ApplicationFiled: March 19, 2024Publication date: December 5, 2024Applicant: University of Science and Technology BeijingInventors: Yongfeng Liang, Fuqiang Zhang, Junpin Lin, Leming Xu, Gang Yang, Xianfei Ding
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Patent number: 12157931Abstract: 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: GrantFiled: May 9, 2022Date of Patent: December 3, 2024Assignee: University of Science and Technology BeijingInventors: Baijun Yan, Zihui Dong, Jie Zhang
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Patent number: 12152212Abstract: 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: GrantFiled: June 14, 2022Date of Patent: November 26, 2024Assignee: University of Science and Technology BeijingInventors: Haibin Zuo, Yajie Wang
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Patent number: 12146200Abstract: 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: GrantFiled: May 6, 2024Date of Patent: November 19, 2024Assignee: University of Science and Technology BeijingInventors: Qing Liu, Zicheng Xin, Jiangshan Zhang
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Patent number: 12147742Abstract: 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: GrantFiled: September 27, 2023Date of Patent: November 19, 2024Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJINGInventors: Ningning Liu, Linjing Huang, Ruifeng Dou, Mengqi Yu, Linxi Zhang, Zhi Wen, Xunliang Liu
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Patent number: 12139974Abstract: 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: GrantFiled: March 22, 2022Date of Patent: November 12, 2024Assignees: University of Science and Technology Beijing, Shunde Graduate School, University of Science and Technology BeijingInventors: Haiping Liu, Qi Lv, Dashan Shen, Donghang Han, Dongmei Zhu
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Publication number: 20240367221Abstract: 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: ApplicationFiled: July 21, 2022Publication date: November 7, 2024Applicant: University of Science and Technology BeijingInventors: Cheng Zhou, Dongpo Xuan, You Zhou, Tianliang Jiang, Biji Zhu, Wenhao Fan, Zhihao Zhang, Jianxin Xie
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Patent number: 12128893Abstract: 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: GrantFiled: December 27, 2023Date of Patent: October 29, 2024Assignee: University of Science and Technology BeijingInventors: Jingliang Duan, Liming Xiao, Junjie Zhao, Guangyuan Yu, Xuan Li, Chen Huang, Fei Ma
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Patent number: 12123063Abstract: 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: GrantFiled: August 30, 2023Date of Patent: October 22, 2024Assignees: 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
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Publication number: 20240286143Abstract: 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: ApplicationFiled: February 20, 2024Publication date: August 29, 2024Applicants: University of Science and Technology Beijing, Suzhou Weihang Environmental Technology Co., LTD.Inventors: Chen HONG, Yanxiao SI, Jirong LI, Yang WANG
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Patent number: 12071349Abstract: A composite aerogel based on graphdiyne motif arrangement and a preparation method thereof are provided by the embodiments of the disclosure, belonging to the technical field of photothermal evaporation materials, including firstly growing graphdiyne on a surface of the graphene oxide to obtain a graphdiyne-coated graphene oxide, taking an additional graphene oxide, adding the additional graphene oxide and the graphdiyne-coated graphene oxide obtained by the coupling reaction into pure water, and ultrasonically mixing to obtain a mixed dispersion, adding a polyvinyl alcohol aqueous solution into the mixed dispersion, and transferring to a reaction kettle after ultrasonic mixing, putting the reaction kettle after sealing into a blast drying box for hydrothermal reaction to obtain a gel structure, and cleaning the gel structure, and freeze-drying to obtain a composite aerogel containing graphdiyne-coated reduced graphene oxide and reduced graphene oxide.Type: GrantFiled: December 27, 2023Date of Patent: August 27, 2024Assignee: University of Science and Technology BeijingInventors: Yue Zhang, Zhaozhao Xiong, Zhuo Kang, Fulong Dai, Shuang Hu, Kaikai Ma, Yifan Zhao, Yaxin Pan, Xiao Hu
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Publication number: 20240261851Abstract: The present application discloses a refractory material with the function of cleaning molten steel, a preparation method therefor and the use thereof. The material phase of the refractory material of the present application comprises one or more of CA6, CMA, corundum and ZrO2. The refractory material prepared by the present application has a high purity, good erosion resistance, good slag permeability resistance and high thermal shock stability, reduces the amount of refractory material eroded into molten steel, reduces the pollution of the molten steel, and can also give full play to the performance advantages of high-purity raw materials.Type: ApplicationFiled: May 10, 2022Publication date: August 8, 2024Applicants: THE UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING, ZIBO CITY LUZHONG REFRACTORIES CO., LTD., ZIBO LANGFENG HIGH TEMPERATURE MATERIALS CO., LTD.Inventors: Junhong CHEN, Jisheng FENG, Yuanping JIA, Bin LI, Bo ZHU, Guangqi LI, Yutao GUO
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Publication number: 20240253621Abstract: 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: ApplicationFiled: December 27, 2023Publication date: August 1, 2024Applicant: University of Science and Technology BeijingInventors: Jingliang DUAN, Liming XIAO, Junjie ZHAO, Guangyuan YU, Xuan LI, Chen HUANG, Fei MA
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Publication number: 20240256829Abstract: A wind power generation quantile prediction method based on machine mental model and self-attention includes: using human cognitive decision-making mechanism for reference to construct the machine mental model as the basic framework of WQPMMSA, and then the seasonal power generation rules and intraday power generation trend are encoded into WQPMMSA as the input information of the prediction method, using the self-attention layer to replace the recurrent neural network in the original machine mental model, and establishing the statistical relationship between the seasonal power generation rules and the intraday power generation trend effectively, reducing the long-range forgetting of the original machine mental model-convert the continuous rank probability score in the integral form into a summation form, and using it as a loss function to train WQPMMSA, so that WQPMMSA approaches the optimal quantile prediction result with the highest efficiency.Type: ApplicationFiled: September 7, 2023Publication date: August 1, 2024Applicant: University of Science and Technology BeijingInventors: Tianyu HU, Huimin MA, Xiao ZHANG, Hao LIU, Kangsheng WANG
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HIGH-PURITY COMPACT CALCIUM HEXA-ALUMINATE-BASED REFRACTORY MATERIAL AND PREPARATION METHOD THEREFOR
Publication number: 20240254051Abstract: The present invention belongs to the technical field of refractory materials, and disclosed are a high-purity compact calcium hexa-aluminate-based refractory material, a preparation method therefor, and a working lining using the same. The mixing ratio is adjusted according to the chemical composition of the final product to contain raw materials containing CaO, Al2O3 and ZrO2, the mixing ratio enabling the ratio of the chemical composition CaO:Al2O3:ZrO2 calculated according to parts by mass to be 45.5-95.5%:2.0-8.4%:0-50%; and the chemical composition are placed into a high-temperature furnace and a mold for hot-pressing is carried out, the maximum temperature is 1550-1800° C., and the hot-pressing strength is 0.5-30 MPa.Type: ApplicationFiled: May 9, 2022Publication date: August 1, 2024Applicants: ZIBO CITY LUZHONG REFRACTORIES CO., LTD., THE UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING, ZIBO LANGFENG HIGH TEMPERATURE MATERIALS CO., LTD.Inventors: Junhong CHEN, Jisheng FENG, Yuanping JIA, Bin LI, Bo ZHU, Guangqi LI, Yutao GUO -
Publication number: 20240247328Abstract: 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: ApplicationFiled: August 30, 2023Publication date: July 25, 2024Applicants: 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