Patents Assigned to Taiyuan University of Technology
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Patent number: 11473427Abstract: A physical simulation test method for detecting a position of a ponding goaf in the excavation, which relates to physical detection of mines. This method includes: fabricating an experimental model of a composition similar to that of an excavating tunnel; fabricating a transient transmitting coil and receiving coil; connecting the coil to a wire and placing them in model A; connecting the coil to a transient electromagnetometer; injecting water into a trapezoidal goaf through a pre-buried plastic pipe; after the goaf is filled with water, immediately switching the transient electromagnetometer on to collect data; respectively transferring the coil to models B, C and D, injecting water and switching on the transient electromagnetometer to collect data; statistically analyzing detection and imaging results of the four models; and comparing the detection results with the actual data to determine detection accuracy and correction coefficient.Type: GrantFiled: August 11, 2019Date of Patent: October 18, 2022Assignee: Taiyuan University of TechnologyInventors: Guorui Feng, Jiaqing Cui, Haina Jiang, Zhen Li, Cheng Song, Xiong Shen, Xiaohong Niu, Shengyong Hu, Yanna Han
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Publication number: 20220283267Abstract: The present disclosure relates to a radar ranging system based on a true random generator and a ranging method thereof. The present disclosure adopts the following technical scheme: the system comprises a radar signal modulation and transmission unit and a radar signal receiving and processing unit, wherein the radar signal modulation and transmission unit inputs and stores a true random binary sequence generated by the true random generator in a memory, and cyclically outputs the true random binary sequence to a BPSK modulator for phase modulation. The receiving and amplifying unit receives the reflected radar signal. The down-sampling unit down samples the intermediate frequency signal generated by the mixers. The data processing unit converts the sampled analog signal into a digital signal and cross-correlates the signal with the true random binary sequence in the memory, so as to obtain the distance to the object side to be measured.Type: ApplicationFiled: September 10, 2021Publication date: September 8, 2022Applicant: Taiyuan University of TechnologyInventors: Jianguo ZHANG, Rui HOU, Hang XU, Li LIU, Zhiwei JIA, Yuncai WANG
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Patent number: 11420183Abstract: This invention introduces a method of preparing a carbon-based sulfur-loading iron-containing adsorbent for mercury removal, which can solve the problems in the prior art that sulfur-rich heavy organic materials have low-value utilization and the elemental mercury in atmosphere is hard to be efficiently and economically removed by the existing mercury removal agents. A carbon-based sulfur-loading iron-containing adsorbent for mercury removal is prepared in this invention. The adsorbent with a porous structure is prepared in situ by performing steps such as chemical activation of sulfur-rich heavy organic materials that are rich in iron. The adsorbent prepared herein has good mercury removal performance in simulated coal-fired flue gas. This invention not only improves the utilization value of sulfur-rich heavy organic materials, but also prevents SOX pollution caused by the combustion of sulfur-rich heavy organic materials and controls mercury pollution in the coal-fired flue gas.Type: GrantFiled: March 28, 2020Date of Patent: August 23, 2022Assignees: Taiyuan University of Technology, China Shenhua Coal to Liquid & Chemical Co., ltd.Inventors: Jiancheng Wang, Qihuang Huo, Huijun Chen, Lina Han, Geping Shu, Liping Chang, Weiren Bao
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Patent number: 11326251Abstract: The present invention discloses a method for preparing surface-active onion-like carbon nanospheres based on vapor deposition, comprising: directly preparing high-surface-activity onion-like carbon nanospheres formed by coating ferroferric oxide nano-particles on an onion-like graphitized shell by taking liquid small organic molecule alkane n-dodecane as a carbon source to perform chemical vapor deposition at high temperature of 650˜700° C. in an inert carrier gas environment with existence of a ferrocene catalyst. An onion-like carbon nanosphere product prepared according to the present invention has good surface activity and thermal stability, is wide in practicability, and can be widely applied to the fields of adsorbing materials, energy storage materials, catalytic materials, medical materials and the like.Type: GrantFiled: February 24, 2020Date of Patent: May 10, 2022Assignee: Taiyuan University of TechnologyInventors: Lei Qin, Weifeng Liu, Yan Cui, Xuguang Liu, Yongzhen Yang
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Patent number: 11320021Abstract: A method and device for preventing impact vibration of a lift system include: acquiring a load weight in a lift container; obtaining preset basic parameters of a lift system; according to the load weight in the lift container and the basic parameters of the lift system, determining a fundamental wave vibration period of a lifting rope when the lift system starts; according to the fundamental wave vibration period and preset calculation parameters of the lift system, determining time-varying simulation parameters of an acceleration of the lift system during a lifting process; according to determined time-varying simulation parameters of the acceleration, lifting the lift container.Type: GrantFiled: December 8, 2016Date of Patent: May 3, 2022Assignee: TAIYUAN UNIVERSITY OF TECHNOLOGYInventors: Ziming Kou, Juan Wu, Yujin Li, Jianwei Yang, Jing Zhang, Yufei Xue
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Patent number: 11299378Abstract: A double-drum linkage winding type hoisting system includes a first hoisting drum and a second hoisting drum. The first hoisting drum and the second hoisting drum are engaged and linked through engagement structures on outer circumferences of the first hoisting drum and the second hoisting drum or are linked through a linkage intermediate member. A first hoisting rope is wound around the first hoisting drum. A second hoisting rope is wound around the second hoisting drum. The first hoisting rope and the second hoisting rope are not connected with each other.Type: GrantFiled: May 15, 2020Date of Patent: April 12, 2022Assignees: TAIYUAN UNIVERSITY OF TECHNOLOGY, Pingdingshan Tianan Coal Mining Co., LtdInventors: Ziming Kou, Xingzi Tu, Yandong Wang, Juan Wu, Xiaoniu Zhang, Huaxin Chen, Lipeng Zhu, Li'nan Zhang, Bo Huang, Jian Lin
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Patent number: 11293460Abstract: The present invention provides an engineering machinery hydraulic system with compensation differential pressure controllable, uses an electronic pressure compensating valve to solve the problem of flow mismatch under conditions of pressure over-limit and flow saturation, and realizes proportional shunt control and high-precision flow distribution of the system. The engineering machinery hydraulic system disclosed in the present invention has the advantages of low energy consumption, fast response speed, and high flow control precision.Type: GrantFiled: December 16, 2019Date of Patent: April 5, 2022Assignee: TAIYUAN UNIVERSITY OF TECHNOLOGYInventors: Long Quan, Bo Wang, Lei Ge, Xiangyu Wang, Zepeng Li, He Liu
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Patent number: 11270869Abstract: This invention relates to a plasma chemical vapor deposition microwave resonant cavity, which has a high focusing ability and can be flexibly configured. The resonant cavity is a rotary body formed by two isosceles triangles intersecting at the vertex angles with a Boolean union operation. The base angles of the two triangles are 50°˜75°. Between 2n?˜(2n+0.5) ?, the base lengths of the two triangles are equal or have an n? difference, where n is an integer and ? is the microwave wavelength. The distance between the centroids of the upper and the lower isosceles triangles is 0˜4/5?. A strongly focused electric field can be formed in the cavity by adjusting the base lengths, base angles and centroid distance. Different dielectric windows, microwave coupling modes and gas inlet and outlet modes can be selected in the cavity to fit specific applications. The cavity has simple structures.Type: GrantFiled: February 5, 2018Date of Patent: March 8, 2022Assignee: TAIYUAN UNIVERSITY OF TECHNOLOGYInventors: Shengwang Yu, Ke Zheng, Jie Gao, Mingjie Lu, Hongkong Wang, Liangliang Li, Mina Ren
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Patent number: 11242488Abstract: A device for determining an expansion pressure and an expansion displacement generated by coking coal based on self-regulation of a spring includes a pyrolysis reactor, which is provided in a high temperature carbonization furnace. Two porous pressing plates are provided at both sides of a coal sample, and two metal filter plates are provided at both sides of the sample. Upper and lower openings of the reactor are sealed respectively with a connecting flange. The pressing plate above the sample is connected to a mounting baffle of a detection mechanism through a lightweight connecting rod and a spring. The detection mechanism is provided with a displacement sensor and a pressure sensor. This application further provides a detection method using the above device.Type: GrantFiled: July 2, 2021Date of Patent: February 8, 2022Assignee: Taiyuan University of TechnologyInventors: Meijun Wang, Nuannuan Yang, Kechang Xie, Yanfeng Shen, Xiurong Ren, Liping Chang, Weiren Bao
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Patent number: 11242230Abstract: A mine explosion-isolating hoisting device with a built-in type permanent magnet motor includes a spindle fixed on the ground; a permanent magnet motor stator fixed on the spindle; a drum rotating relative to the spindle, the drum surrounding the spindle circumferentially; and a permanent magnet motor external rotor fixed by a spoke plate and rotating relative to the spindle; the drum is connected to the permanent magnet motor external rotor via an isolating disc; and a radial distance between an outer circumferential surface of the permanent magnet motor external rotor and an inner wall of the drum is greater than a preset value.Type: GrantFiled: May 21, 2020Date of Patent: February 8, 2022Assignees: TAIYUAN UNIVERSITY OF TECHNOLOGY, Guiyang Plateau Machinery Company LimitedInventors: Ziming Kou, Zhensheng Wang, Juan Wu, Deling Xie, Yandong Wang, Yinru Bai, Keliang Zhu, Waiwen Zhang, Li'nan Zhang, Lipeng Zhu
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Patent number: 11216252Abstract: The present disclosure provides a high-speed random number generation method and device, comprising an entropy source module and an entropy sampling module. The entropy source module is an autonomous Boolean network formed by digital logic gates, the network is formed by an XNOR gate and (N?1) XOR gates, wherein the value of N is equal to 3n (n is a positive integer), and the entropy source can generate chaotic signals having wide and flat frequency spectrum. The entropy sampling module of the present disclosure is formed by D flip flops used for sampling and quantizing the chaotic signals to generate random number sequences. The random number sequences generated by the present disclosure can pass test standards (NIST and Diehard statistic tests) of random number industry and have excellent random statistic characteristics.Type: GrantFiled: November 26, 2018Date of Patent: January 4, 2022Assignee: Taiyuan University of TechnologyInventors: Jianguo Zhang, Qiqi Zhang, Yuncai Wang, Anbang Wang, Pu Li
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Patent number: 11203095Abstract: A rock sanding device includes a base, a bottom sanding plate, an adjustable connecting rod, an elastic loader, a connector, a side sanding brush, a top sanding plate, an inner rod, a prong and a drill rod. The top of the drill rod is fixedly connected with the rotating shaft of the external water drilling rig and the external water drilling rig has a water inlet joint to introduce water into the drill rod. The inner rod and drill rod are connected and fixed coaxially, and the bottom of the drill rod is symmetrically welded with four prongs. The rock specimen is placed in the center of the side sanding brush. The top sanding plate and the bottom sanding plate are provided in the top side and bottom side of the rock specimen, respectively.Type: GrantFiled: December 4, 2018Date of Patent: December 21, 2021Assignee: Taiyuan University of TechnologyInventors: Zhixin Jin, Chunwang Zhang, Guorui Feng, Xuanmin Song, Shengyong Hu, Yujiang Zhang, Tingye Qi, Zhen Li
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Publication number: 20210388562Abstract: A turnout apparatus for an overhead monorail includes a frame, an input fixed rail docking an input rail, output fixed rails each docking an output rail, and movable rails disposed between the input fixed rail and the output fixed rails. The input fixed rail is disposed at one end of the frame. The output fixed rails include a first output fixed rail and a second output fixed rail disposed at the other end of the frame. The movable rails include a first movable rail docking the input fixed rail and the first output fixed rail, and a second movable rail docking the input fixed rail and the second output fixed rail. The first and second movable rails are fixed and rotatable about a horizontal line as an axis. Directions toward which upper rail surfaces of the first movable rail and the second movable rail face differ by 180 degrees.Type: ApplicationFiled: April 3, 2019Publication date: December 16, 2021Applicant: TAIYUAN UNIVERSITY OF TECHNOLOGYInventors: Ziming KOU, Guijun GAO, Jing ZHANG, Fuli SUN, Jiabao XUE
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Patent number: 11174125Abstract: An overwinding buffer device and method are employed for a vertical hoisting system including a derrick and a hoisting container. A hydraulic buffer device is disposed on the derrick, the hydraulic buffer device including at least one buffering hydraulic cylinder and buffering pressure rollers disposed corresponding to the buffering hydraulic cylinders; the buffering hydraulic cylinders are disposed on the derrick; piston rods of the buffering hydraulic cylinders are disposed horizontally and outer ends of the piston rods face towards the hoisting container; the buffering pressure rollers are horizontally fixed on an outer side wall of the hoisting container and arced surfaces of the buffering pressure rollers face towards the piston rods of the buffering hydraulic cylinders.Type: GrantFiled: October 31, 2016Date of Patent: November 16, 2021Assignee: TAIYUAN UNIVERSITY OF TECHNOLOGYInventors: Ziming Kou, Juan Wu, Jianwei Yang, Guijun Gao, Jing Zhang, Peng Zhang, Liangji Zhao
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Publication number: 20210334073Abstract: The present disclosure provides a high-speed random number generation method and device, comprising an entropy source module and an entropy sampling module. The entropy source module is an autonomous Boolean network formed by digital logic gates, the network is formed by an XNOR gate and (N?1) XOR gates, wherein the value of N is equal to 3n (n is a positive integer), and the entropy source can generate chaotic signals having wide and flat frequency spectrum. The entropy sampling module of the present disclosure is formed by D flip flops used for sampling and quantizing the chaotic signals to generate random number sequences. The random number sequences generated by the present disclosure can pass test standards (NIST and Diehard statistic tests) of random number industry and have excellent random statistic characteristics.Type: ApplicationFiled: November 26, 2018Publication date: October 28, 2021Applicant: Taiyuan University of TechnologyInventors: Yuncai WANG, Qiqi ZHANG, Jianguo ZHANG, Anbang WANG, Pu LI
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Patent number: 11130533Abstract: A giant gully-crossing vehicle for polar scientific expeditions, including a gully-crossing bridge and a vehicle body. The vehicle body includes a stage and a travelling portion. The stage includes a top platform, a front bottom plate, a rear bottom plate and a multifunctional lock platform assembly. The front bottom plate and the rear bottom plate are capable of sliding independently relative to the top platform. The travelling portion includes a first travelling component, a second travelling component, a third travelling component, a fourth travelling component, a fifth travelling component and a sixth travelling component which are symmetrically provided at left and right sides of the stage and below the stage. Bridge bodies of the bridge components can be assembled to two gully-crossing bridges, and are connected to the multifunctional lock platform assembly when crossing gullies.Type: GrantFiled: June 21, 2019Date of Patent: September 28, 2021Assignees: Taiyuan University of Science and Technology, Taiyuan University of TechnologyInventors: Fuqiang Zhao, Qingxue Huang, Baoyu Chang, Pengyang Du
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Patent number: 11131328Abstract: The present invention discloses a load-sensing multi-way valve with a variable differential pressure, where each valve group uses a new element: an electro-hydraulic pressure compensation valve, so as to implement continuous real-time adjustment and control of compensated differential pressure and real-time position feedback and monitoring of a compensation valve trim, and overcome a flow mismatch problem of a conventional LS system in a flow saturation working condition and problems of a fixed shunting proportion of an LUDV system and poor operation coordination of actuators. The load-sensing multi-way valve with a variable differential pressure disclosed in the present invention has advantages such as strong working condition applicability, high flow distribution accuracy, and strong technicality.Type: GrantFiled: December 23, 2019Date of Patent: September 28, 2021Assignee: TAIYUAN UNIVERSITY OF TECHNOLOGYInventors: Long Quan, Bo Wang, Yunxiao Hao, He Wang, Zepeng Li, Lianpeng Xia
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Publication number: 20210284500Abstract: An overwinding buffer device and method are employed for a vertical hoisting system including a derrick and a hoisting container. A hydraulic buffer device is disposed on the derrick, the hydraulic buffer device including at least one buffering hydraulic cylinder and buffering pressure rollers disposed corresponding to the buffering hydraulic cylinders; the buffering hydraulic cylinders are disposed on the derrick; piston rods of the buffering hydraulic cylinders are disposed horizontally and outer ends of the piston rods face towards the hoisting container; the buffering pressure rollers are horizontally fixed on an outer side wall of the hoisting container and arced surfaces of the buffering pressure rollers face towards the piston rods of the buffering hydraulic cylinders.Type: ApplicationFiled: October 31, 2016Publication date: September 16, 2021Applicant: TAIYUAN UNIVERSITY OF TECHNOLOGYInventors: Ziming KOU, Juan WU, Jianwei YANG, Guijun GAO, Jing ZHANG, Peng ZHANG, Liangji ZHAO
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Publication number: 20210285513Abstract: A method and device for preventing impact vibration of a lift system include: acquiring a load weight in a lift container; obtaining preset basic parameters of a lift system; according to the load weight in the lift container and the basic parameters of the lift system, determining a fundamental wave vibration period of a lifting rope when the lift system starts; according to the fundamental wave vibration period and preset calculation parameters of the lift system, determining time-varying simulation parameters of an acceleration of the lift system during a lifting process; according to determined time-varying simulation parameters of the acceleration, lifting the lift container.Type: ApplicationFiled: December 8, 2016Publication date: September 16, 2021Applicant: TAIYUAN UNIVERSITY OF TECHNOLOGYInventors: Ziming KOU, Juan WU, Yujin LI, Jianwei YANG, Jing ZHANG, Yufei XUE
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Patent number: 11110440Abstract: A composite catalyst for coal depolymerization, the catalyst includes an agent A and an agent B. The agent A includes an iron salt-based catalyst, and the agent B includes a metal salt-based catalyst different from the iron salt-based catalyst. The agent A and the agent B are alternately added during use.Type: GrantFiled: August 2, 2018Date of Patent: September 7, 2021Assignee: TAIYUAN UNIVERSITY OF TECHNOLOGYInventors: Wei Huang, Litong Liang, Qian Zhang, Jianwei Liu, Juntian Huai, Xiaogang Hao, Zhonglin Zhang