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Introduction

Bimonthly, started in 1957
Administrator
Shanxi Provincial Education Department
Sponsor
Taiyuan University of Technology
Publisher
Ed. Office of Journal of TYUT
Editor-in-Chief
SUN Hongbin
ISSN: 1007-9432
CN: 14-1220/N

Links

Shanxi Provincial Education Department

Taiyuan University of Technology

location： home> 2023,54(04)

Barrier and Sorption Properties of Polymer-modified Bentonite to Steel Slag Leachate and Its Cr(Ⅲ) Ion

【Purposes】To prevent containment barriers failure caused by the high hydraulic conductivity of conventional bentonite to chemically aggressive leachates, the polymer-modified bentonite (PMB) was developed. 【Methods】 The permeability tests were conducted to investigate the hydraulic conductivity of PMB to high salinity solution, strong alkalinity solution, and steel slag leachate. Moreover, the effects of sorption time, solution pH, and initial Cr(Ⅲ) concentration on Cr(Ⅲ) adsorption were in...

Taiyuan University of technology 2023,54(04): JIANG Lusha, CHEN Xiaoxiong, PU Hefu, DONG Xiaoqiang, XIE Shiping. ;

PDFviewed：abstract

Progress on Tribological Characteristics and Surface Texturing of Plunger Pairs in Axial Piston Pump

【Purposes】 It was expected to provide a reference for improving the performance, lifetime and service safety of piston pump. 【Methods】 This work reviewed the oil film charateristics of plunger pairs from the view of theoretical calculation and simulation. The thickness field, pressure field, and temperature field of oil film were analyzed to elucidate the lubrication performance. The tribological characteristics of plunger pairs, and the effect of lubrication medium and matching materials on ...

Taiyuan University of technology 2023,54(04): LIN Naiming, WANG Jie, WANG Qiang, WANG Huanhuan, YUAN Shuo, LIU Zhiqi, ZENG Qunfeng, WU Yucheng. ;

PDFviewed：abstract

Research Progress on Diffusion Behavior and Carbon-isotope Fractionation Models of Deep Natural Gas

【Purposes】 In China, the exploration and development of deep oil and gas resources have gained significant attention in recent years. In order to meet the demands of development, many scholars have conducted research on the process of deep natural gas diffusion and have made noteworthy advancements. 【Methods】 Aimg to evaluate the applicability of deep natural gas diffusion behavior and the carbon isotope fractionation effect, the study is based on an analysis of Fick diffusion, Knudsen diffus...

Taiyuan University of technology 2023,54(04): DONG Haiyu, ZOU Yu, WANG Guojian, LIU Dongna, ZHOU Rui. ;

PDFviewed：abstract

Development of Mass Transfer Model of Electrochemically Switched Ion Permselective Membrane Separation Process

【Purposes】 Electrochemically switched ion permselective (ESIP) is a novel ion selective membrane separation technology, which has been applied for the efficient, continuous and selective separation of low-concentration target ions. However, the ion transfer in the ESIP membrane is disobedient to the Nernst-Planck theory, and the development of mass transfer model of ESIP contributes to the understanding of ESIP separation process. 【Methods】 In the ESIP membrane separation system, a modified N...

Taiyuan University of technology 2023,54(04): GAO Fengfeng, ZHANG Xuefeng, ZHANG Zhonglin, HAO Xiaogang. ;

PDFviewed：abstract

Ionic Magnetic COFs Loaded with GOx for Cascade Reaction of Nanoenzymes and Natural Enzymes

【Purposes】 Combining the high selectivity of natural enzymes with the high stability of nanoenzymes in a one-pot reaction has emerged as an ideal solution to improving the diversity/complexity of biocatalytic cascades and the stability of multi-enzyme systems. 【Methods】 In this paper, we designed and synthesized an ionic magnetic Fe3O4@EB-COFs material to prepare glucose oxidase (GOx)-magnetic covalent organic framework material(GOx/Fe3O4@EB-COFs) through electrostatic interaction induction. ...

Taiyuan University of technology 2023,54(04): GAO Fengfeng, ZHANG Xuefeng, ZHANG Zhonglin, HAO Xiaogang. ;

PDFviewed：abstract

Effect of Homogenization Modified Xanthan Gum on Gel Ink Dispersion System

【Purposes】 The excellent thickening and suspension properties of Xanthan Gum meet the R&D needs of high-end gel ink, but its rigid structure will lead to the flocculation of carbon black particles in the gel ink, which is not conducive to dispersion. 【Methods】 The effect of homogenization modification on the system dispersion and stabilization of carbon black particles in Xanthan Gum gel ink was studied, and the mechanism was discussed. 【Findings】 The results indicate that the gel ink w...

Taiyuan University of technology 2023,54(04): GUO Tongrui, LIU Shoujun, YANG Song, WU Zhenjiang, ZHAO Wei, LI Xiaokun, LUO Gan. ;

PDFviewed：abstract

Preparation and Potassium Ions Storage Properties of P3-Type K0.5MnO2 as an Advanced Layered Cathode Material for Potassium-Ion Batteries

【Purposes】 K-ion batteries (KIBs) have attracted considerable attention as a potential alternative to Li-ion batteries because of their low cost and high energy density. However, the development of KIBs has been severely limited by the lack of cathodes with high specific capacity and good cycle performance. 【Methods】 In this research, P3-type K0.5MnO2 as a new cathode material for KIBs was prepared through hydrothermal method, sol-gel method, and oxalate co-precipitation method, separately. 【...

Taiyuan University of technology 2023,54(04): YU Man, ZHANG Bo, LU Zhonghua, CHEN Liang, ZHANG Ding, LIU Shibin, XU Shoudong. ;

PDFviewed：abstract

Study on C3H8/C3H6 Reverse Adsorption and Separation Performance of Metal-organic Framework MIL-126(Fe)

【Purposes】 Propylene is an important olefin raw material, and the removal of propane impurities in it is very important in actual production. Metal-organic frameworks (MOFs) have great prospects for the separation and purification of propane/propylene. Among them, propane-selective adsorbents can be used to obtain high-purity propylene products in one step, which has extremely high industrial value. MIL-126(Fe) has great potential for preferential adsorption of alkanes becaused of the abundant ...

Taiyuan University of technology 2023,54(04): ZHAO Xuanyu, WANG Deyin, WANG Yong, WANG Yongzhen. ;

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Preparation and Energy Storage Properties of Copper-Based Electrode on Silicon Substrate

【Purposes】 Transition element oxides, sulfides, and hydroxides are widely used as a kind of pseudocapacitance materials owing to their excellent theoretical specific capacitance, high power density, and low cost. However, most of the transition element-based electrodes are fabricated under abnormal temperatures combined with conductive agent and binder, which deeply restricts their application towards silicon-based micro-supercapacitor (MSC). 【Methods】 In this research, one layer of titanium ...

Taiyuan University of technology 2023,54(04): ZHANG Wenlei, WANG Weiheng, CHAI Chenyu, SUN Yongjiao, HU Jie, LI Gang. ;

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Deep Learning-based Segmentation Method for Organic Matter Identification in Oil Shale CT Images

【Purposes】 The density of organic matter in oil shale is much lower than that of other rock matrix, so the gray value of organic matter in CT images is often close that of pore fractures, which results in problems such as inconspicuous difference in gray value and blurred boundary between organic matter and rock in the images. In order to accurately identify the organic matter in the segmented oil shale CT images, the image segmentation methods in the field of deep learning are studied, and the...

Taiyuan University of technology 2023,54(04): WANG Xin, YANG Dong, HUANG Xudong. ;

PDFviewed：abstract

Study on Hydrogeological Conditions and Water Source Identification of 8+9# Coalbed Methane Reservoir in Sanjiao Block

【Purposes】 The productivity of 8+9# coalbed methane wells in Sanjiao Block is poor owing to the intrusion of external water. Therefore, clarifying the hydrogeological characteristics and identifying its impact on the coalbed methane (CBM) development have become the key to increasing CBM production capacity. 【Methods】 On the basis of actual geological and production data, Fisher discriminant theory is used to identify water sources, and logging interpretation is further used to identify the d...

Taiyuan University of technology 2023,54(04): WANG Feng, CHANG Suoliang, YAN Xinlu, MENG Yanjun, ZHAO Dekang. ;

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Mine Pressure Characteristics in Fully Mechanized Working Face while Mining Under Residual Coal Pillar and Hydraulic Fracturing Roof Cutting Control

【Purposes】In order to study the characteristics of strong mine pressure under the influence of concentrated stress in fully mechanized mining face under residual pillar, the 31106 working face of Huoluowan Mine passing through the overlying concentrated coal pillar is taken as the engineering background. 【Methods】 The mine pressure characteristics and support adaptability during passing through the coal pillar are analyzed through the measured support resistance of the working face. The simil...

Taiyuan University of technology 2023,54(04): WU Wenda, WANG Tianchen, BAI Jianbiao. ;

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Study on the Failure Law of Surrounding Rocks Caused by Multiple Coal Seam Mining and the Prevention and Controlling Technology of Water Inrush from Roof Goaf

【Purposes】 As a result of the ongoing replenishment of groundwater, a multifaceted system for the storage and circulation of groundwater has developed within overlying goaf and roadway. Coal mines encounter technical challenges in preventing and managing water damage in the roof goaf during the process of multiple coal seam composite mining, leading to a substantial requirement for daily roof water exploration and drainage engineering. 【Methods】 This paper focuses on the roof and floor rocks ...

Taiyuan University of technology 2023,54(04): LIU Qin, LIU Wu. ;

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Numerical Experimental Investigations of the Effect of Confining Pressure Unloading Rate on Sandstone Mechanical Properties

【Purposes】 This work is conducted to exclude the superimposed effect of natural rock specimen discreteness and multiple stress path conversion in test process on results, and to further investigate the influence mechanism of the confining pressure unloading rate on rock failure and instability. 【Methods】 The discrete element method was used to carry out homogeneous numerical specimens under constant axial pressure and two fixed confining pressure unloading rates. The macroscopic and mesoscopi...

Taiyuan University of technology 2023,54(04): ZHANG Jian, GUO Liangliang. ;

PDFviewed：abstract

Research on the Mechanical Properties of Red Mud-coal Metakaolin Geopolymer Concrete Based on Orthogonal Tests

【Purposes】 This work is conducted to achieve the objectives of carbon emission reduction and resource utilization of solid waste. 【Methods】 Geopolymer concrete was prepared from red mud and coal-metakaolin, and the effect of four factors on its mechanical properties was investigated with an orthogonal test method. 【Findings】 The water-binder ratio was found to have a significant effect on the strength of the geopolymer concrete, followed by Na2O/H2O, while the curing conditions and the aggr...

Taiyuan University of technology 2023,54(04): BAI Xiaohong, XUE Shiqiang, GUO Tiantian, PENG Liming, QI Yanqing, SONG Bo, WAN Pei, MA Fuli, HAN Pengju. ;

PDFviewed：abstract

Dynamic Response of Free Standing Columns under Horizontal Earthquake

【Purposes】 Free standing columns are one of the typical features of traditional timber and stone buildings. Columns are the key components for transmitting vertical loads in traditional structures. Dead weight of the superstructure transmits to columns through the component at the top of the columns. The dynamic response characteristics of free standing columns subjected to horizontal earthquakes are analyzed in this research. 【Methods】 A two-dimensional rigid body model of a column was estab...

Taiyuan University of technology 2023,54(04): GAO Chao, LI Yuxin. ;

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Spatial and Temporal Distribution Characteristics of Modern Industrial Heritage in Taiyuan City and the Construction of Heritage Groups

【Purposes】 Taking Taiyuan City as the subject research area, this work tries to explore the spatial and temporal distribution characteristics and influencing factors of 59 modern industrial heritage sites in Taiyuan City, Shanxi Province. 【Methods】 Scale analysis, mathematical analysis and GIS spatial analysis methods were used. 【Conclusions】 The results indicate that: ①During the time of “First Five-Year Plan” and “Second Five-Year Plan” after the foundation of the People’s Republic ...

Taiyuan University of technology 2023,54(04): KANG Feng, ZHANG Zibo, CAO Ruji. ;

PDFviewed：abstract

Study on Mechanical Properties of Carbon Fiber Modified Fly Ash-metakaolin Geopolymer Concrete

【Purposes】 Geopolymer concrete has attracted wide attention because of its high strength, good durability, low carbon, and environmental protection, but its application is restricted by the poor crack resistance and toughness. 【Method】 In this study, 10 groups of carbon fibers with varying volume contents were mixed into fly ash-metakaolin geopolymer concrete, and the effects of carbon fiber volume contents on axial compressive strength, elastic modulus, flexural strength, and the folding-com...

Taiyuan University of technology 2023,54(04): SHEN Keyu. ;

PDFviewed：abstract

Layout Optimization and Design of Ribs for the Carriage of Large Mining Dump Truck Based on Bionic Structure

【Purposes】 In order to meet the requirements of lightweight design of large mining dump truck carriage, the rib layout is optimized on the basis of bionic structure. 【Methods】 The basic structure and functional characteristics of a mining dump truck are introduced. The load-bearing characteristics of the carriage under various working conditions are analyzed, and the carriage with full loads and uniform speed or static state is selected as the limit working condition for the bottom plate. The...

Taiyuan University of technology 2023,54(04): HUANG Lei, YANG Guobiao, WANG Zhixia, MENG Wenjun, WANG Zhaohua. ;

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Motion Modal Analysis and Trajectory Switching of a Detachable Wheel Legged Quadruped Robot

【Purposes】 Coal mine underground terrain is complex and changeable and the air contains a variety of inflammable and explosive gases, which has high risk. In order to reduce the risk and improve the efficiency of inspection, a separable wheelleg quadruped robot with multiple motion modes is proposed in this paper. 【Methods】 Five main motion modes of the robot, including leg mode, wheel mode, wheel leg mixed mode, body separation combined mode, and arms clamping mode were analyzed. The single ...

Taiyuan University of technology 2023,54(04): DOU Yuhan, ZHANG Jinzhu, WANG Tao, XIONG Xiaoyan, WU Bing. ;

PDFviewed：abstract