Table of Content

15 May 2016, Volume 31 Issue 5

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Optimization on mining and loading operation mode in Pingshuo East Open-pit Mine

YANG Wenzhong, ZHAO Dengjuan

2016, 31(5):  1-3. 

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Abstract: According to the composition elements of system production time, combining the characteristics of the whole mobile crushing station semi-continuous system equipment, the article presents two kinds of different operation modes of system mining and loading to parallel advance operation and arc mining operation.

Burnt rock water control scheme in Jiangjun Gobi No.2 Open-pit Coal Mine stope north slope

ZHANG Chunfeng, FU Zhong, ZHANG Dexiao, JIA Hongjun

2016, 31(5):  4-7. 

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Abstract： According to the actual geological situation in Jiangjun Gobi No.2 Open-pit Coal Mine, the article analyzed compared three technical schemes of the curtain grouting, water drainage and curtain drainage. The author thought the curtain grouting was feasible under the geological conditions, which greatly reduced the investment and the production cost of waterproof and drainage, and was beneficial to the slope stability, and provided water security for Jiangjun Gobi No.2 Open-pit Coal Mine development.

Application of RCC dam project in Shengli East No.2 Open-pit Coal Mine

JIANG Lianjun

2016, 31(5):  8-11. 

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Abstract: Shengli East No.2 Open-pit Mine adopts cleaning slip RCC dam method to control landslide of stope south slope and recovery coal. The article introduces the calculation process and construction steps of the scheme. Through implementing the scheme, the mine not only improves the slope stability, but also creates the double benefit of safety economy.

Analysis of hydrogeological characteristics and water control measures in Pingshuo East Open-pit Mine

LIU Weiyu, HAO Jifeng, LIU Yonggang

2016, 31(5):  12-15. 

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Abstract: Pingshuo East Open-pit Mine is located in north of Ningwu coalfield Pingshuo mine area, which has geological reserves 1.849 billion. The article introduces the hydrogeological characteristics and water control measures in East Open-pit Mine, which lay a solid foundation for the safety production in East Open-pit Mine.

Analysis on crushing station location selection in Xingwang Open-pit Mine

WANG Lei, ZHANG Mingzhong, YU Han

2016, 31(5):  16-19. 

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Abstract: The article researches the crushing station location of mining production system, adopts the principle of minimizing transportation cost, analyzes transportation path and cost constitution, and determines the final location of crushing station.

Goaf governance measures in Pingshuo East Open-pit Mine

GUO Jiong, LV Jianzhou, ZHAO Jun, HE Feng, HAN Feng, YAO Guodong

2016, 31(5):  20-23. 

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Abstract: Through analyzing the unique characteristics of goaf in Pingshuo East Open-pit Mine mining area, combining with the actual production of open-pit mine, the author obtains the governance principles of the goaf. According to the different type of goaf ,the article presents the different governance approach, on the basis of it, and analyzes using deep borehole blasting method to control goaf, which has reference and guidance to other open-pit mines.

First mining area east geological structure in Heidaigou Open-pit Coal Mine

WAN Guoxiang

2016, 31(5):  24-27. 

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Abstract: Graben structure distributes along coal seam mining advance direction in Heidaigou Open-pit Coal Mine first mining area, which not only affects production safety, but also pollutes coal quality and causes coal resource loss. In order to ensure to safely pass the structural belt and reduce the loss of coal resources, the mine takes the effective measures and strictly implements the relevant safety operation regulations.

Application of crawler type semi-fixed crusher station in Shengli East No.2 Open-pit Coal Mine

GAO Xiaoyu

2016, 31(5):  28-30. 

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Abstract: The article introduces the working principle, structure and technical parameters of crawler type semi-fixed crusher station, which can achieve quick shift, greatly shorten the shift time and improve production efficiency. The performance of crawler type semi-fixed crusher station is stable , and its effect is good in Shengli East No.2 Open-pit Coal Mine.

Mining situation analysis in Fushun West Open-pit Mine eastern area

DOU Ziyu, YIN Youde, XIA Shouliang, SUN Peng

2016, 31(5):  31-33. 

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Abstract: The article presents the technology scheme of using the overburden in East Open-pit Mine to backfill West Open-pit Mine. East Open-pit Mine and West Open-pit Mine unites to redesign north slope E1200 - E3300. This article introduces the mining operation process in West Open-pit Mine eastern area, analyzes eastern area mining scheme from economy and technology aspects, and presents the proper mining scheme according to the whole mining project.

GPS production scheduling system construction in the foreign open-pit mine

HE Shuai

2016, 31(5):  34-36. 

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Abstract: Through discussing the implementation of GPS production scheduling system in the foreign open-pit mine, the article expounds the composition of system, which effectively improves the efficiency of mining equipment and enthusiasm of the staff, and solves the problems in the production scheduling of the mine, and has practical significance.

Application research of 3D laser detection in Open-pit Mine goaf

WANG Zhipeng, WANG Jun, LI Wei, DING Xinpin, ZHANG Jianping, LIU Bowen

2016, 31(5):  37-39. 

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Abstract：This article describes the working principle, operation steps, data processing way of C-ALS drilling 3D laser scanning system，and illustrates the effect of 3D laser scanning technology in safety production based on domestic open-pit coal mine goaf 3D laser detection project. Practice shows that 3D laser detection method is more effective method of goaf detection，which can accurately realize the visualization of hidden goaf by scanning，and provide the reliable data for the open-pit mine goaf treatment.

Power supply and distribution design of EPC project of ground production system in Xiwan Open-pit Coal Mine

CHI Qiuxia

2016, 31(5):  40-44. 

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Abstract: Power supply and distribution design of production system mainly includes the setting place and structure of the variable transformer room, electrical equipment composition indoor the variable distribution room, wiring connection mode,the electrical equipment selection, load rate and guarantee rate of transformer, laying mode and selection of the power supply and distribution line. 

Research and application of digital monitoring system based on wireless net bridge in open-pit mine

WANG Xia

2016, 31(5):  45-47. 

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Abstract：Through researching the digital monitoring system and wireless net bridge, the mine establishes wireless network digital monitoring system to meet the production needs of open-pit mine. Jilangde Open-pit Mine uses wireless net bridge technology to build the digital monitoring system, which is stable and clear picture, and can meet the real-time monitoring, playback and alarm requirements.

 

Central multi-point driving technology and application example of long distance belt conveyor

LIU Bing

2016, 31(5):  48-50. 

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Abstract: The article introduces the types, principle and its advantages and disadvantages of central multi-point driving technology and the conditions of meeting long distance belt conveyor driving device for adopting central multi-point driving technology. Through application examples comparison, adopting central drum unloading central driving technology brings economic benefits.

Fault analysis of DM45 rig crawler frame distortion

DONG Xin

2016, 31(5):  51-54. 

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Abstract: The article elaborates and analyzes the faults of "four-wheel area" caused by DM45 rig crawler frame distortion. The author makes the detailed technology scheme according to the distortion correction, and comparatively analyzes the effect before and after correction, which provides reference for repair work of "four-wheel area" for mining equipment.

Monitoring alarm system design of D11T bulldozer transmission system

REN Dongjie, DONG Xin

2016, 31(5):  55-57. 

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Abstract: According to the phenomenon of D11T bulldozers transmission oil pressure insufficient and high temperature transmission oil in the process of running, the article introduces and analyzes the repair scheme of faults, and elaborates the design principle of monitoring alarm system, which provides reference for improving starting  rate and fault repair of large mining crawler type bulldozers.

MT4400 truck AC generator decomposition and assembly method improvement

WANG Xu, WU Bin

2016, 31(5):  58-61. 

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Abstract: MT4400 trucks as the main upper coal equipment has been put into production for many years in Haerwusu Open-pit Mine. This article mainly introduces a kind of simple and fast main generator replacement method, which improves the efficiency and effectively saves the replacement cost.

Use of high step dumping technology and safety technology measures in Huagou Open-pit Mine

FENG Shenguang, ZHAO Yonggang, FENG Shenzhi

2016, 31(5):  62-64. 

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Abstract: Combining the safety production management experience of Huagou Open-pit Mine and other similar mines, the article elaborates the use conditions of technology and the characteristics of mine safety production management work with high step dumping technology.

Effect of end gas purification treatment on oil shale retorting technology in Fushun

SHAN Mingzhi

2016, 31(5):  65-67. 

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Abstract: The article analyzes the effect of end gas purification treatment on oil recovery rate and heating furnace system running and desulphurization system running. Through data comparison, the article summarizes the effect of end gas purification treatment before and after the modification.

Impact analysis and quality evaluation of groundwater environment in Open-pit Coal Mine

WU Tao

2016, 31(5):  68-71. 

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Abstract: Taking the groundwater environment of Lu'an Xinjiang Coal Chemical Industry  Company open-pit coal mine as the research background, the article defined the ground water aquifer, confining bed and recharge condition, and adopted Kusakin formula to calculate the influenced radius of groundwater，and analyzed the effect of open-pit coal mining on the capacity and quality of the mining area groundwater. Through collecting the monitoring data of the groundwater from the monitoring points, the mine adopted the method of single factor pollution index to make the effective evaluation on monitoring results.

Discussion on energy saving evaluation report compilation issues in Open-pit Coal Mine

ZHANG Shoutao

2016, 31(5):  72-74. 

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Abstract: According to the compilation experience of energy saving evaluation report in Inner Mongolia, Qinghai, Xinjiang in recent years, the article analyzes several key issues of energy saving evaluation report compilation and elaborates some experience, which can provide reference for the similar energy saving evaluation report compilation.

Preventive measures of traffic accidents in open-pit mine

LU Shusheng

2016, 31(5):  75-78. 

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Abstract: This article analyzes the new situation of traffic safety, traffic accident reasons, and countermeasures taken in practice in open-pit mine, and puts forward improving traffic safety culture, promoting traffic safety science and technology to effectively prevent and reduce traffic accidents in open-pit mines.

Effect of steel polypropylene hybrid fiber on the concrete resistance to impact

ZHOU Qi, ZHAO Wen, ZHANG Zhao

2016, 31(5):  79-82. 

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Abstract: The experiment of steer/ polypropylene hybrid fiber reinforced concrete slump and resistance to impact is carried out through orthogonal design. The results show that hybrid fiber is remarkable for resistance to impact of concrete, which reflects that different elastic modulus fiber is different for resistance to impact of concrete at different phase，and the optimum mix proportion under the specific condition is found for hybrid fiber reinforced concrete.

Research and practice on the oil shale resources development potential evaluation

WANG Zhongxin, ZHAO Dandan

2016, 31(5):  83-87. 

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Abstract: The article establishes the evaluation index system of oil shale resources development potential, presents a series of evaluation index of comprehensive transportation work, and overcomes the limitation of traditional evaluation using the single stripping ratio index. Based on the theory of ecological footprint, the article puts forward the comprehensive footprint index to characterize the occupied intensity of ecological resources used in the development of resources, and achieves the regional comparison and mineral comparison among the indicators. Based on the principle of optimization and fuzzy mathematics, the author establishes the evaluation model of oil shale resources development potential and obtains the weight of each evaluation index.

Discussion on  technical talents training in equipment maintenance enterprise

YANG Baoze

2016, 31(5):  88-90. 

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Abstract: Through describing the problems in the skill personnel training aspects in the equipment maintenance center, taking the maintenance fitter for example, the article adopts three steps model to make a skilled team, which provides reference for the staff training and personnel training of other equipment maintenance enterprises.

Coal enterprise talent present situation and management new thoughts

QI Yujun, JI Dongmei

2016, 31(5):  91-93. 

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Abstract: Building a young talent team who leads coal enterprise innovation and supports enterprise to reform and develop is the primary task of coal enterprises. The article discusses the present situation of coal enterprises young talent, and presents the strategic conception of young talent team construction.

Developing and utilizing science and technology archives to create economic benefit for enterprises

WU Yanxin, QI Ruifeng, GENG Hongxia, LIU Chang, TAO Yonghong, LI Xiaohui

2016, 31(5):  94-96. 

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Abstract: Enterprise archives are the core knowledge assets and information resources, and the development and utilization of the archives can create some economic benefit. The article discusses the ways and methods of improving the economic benefits of developing archives from the aspects of innovation, improving the collection and utilization of archives information, checking various points and strictly controlling the archives quality.