Table of Content

15 March 2016, Volume 31 Issue 3

Previous Issue    Next Issue

Mining scheme research of collapse column in Pingshuo East Open-pit Mine

Duan Lishi, HAN Jin, XU Jun

2016, 31(3):  1-3. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract：The article presents two collapse columns based on the actual situation of the worksite in order to make collapsed column production organization and security work well in Pingshuo East Open-pit mine. Collapse column bridge scheme can not only decrease the rock stripping and reduce production safety risk, but also facilitate the form of internal waste dump by comparasion.

Analysis of outsourcing production mode in Huolinhe North Open-pit Mine

AO Qingyou, LIU Zhihua, HE Yuwu

2016, 31(3):  4-6. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: North Open-pit Mine realizes the change of production mode and process in 2014. The production mode turns from the original peeling outsourcing into a stripping, mining all outsourcing. The backward technology of bulldozer front loader is eliminated by the hydraulic anti shovel hook assembly process. North open pit coal mine find ways to exert the advantages of outsourcing production through the analyzing the problem of outsourcing running process for half a year.

Research on technology transformation of raw coal transportation system in Zhahanao'er Open-pit Mine

WANG Dongxu

2016, 31(3):  7-10. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: According to the problems of big fuel consumption and high cost of single bucket - truck technology in raw coal transportation system, combining with mining status and mining strength prediction and analysis in the next five years, Zhahanao'er Open-pit Mine carries out technical transformation on raw coal transportation system from western mining area to 3# crushing station. The formation of new raw coal transportation system has an important impact to save raw coal transportation distance and reduce the raw coal transportation costs.

Production plan management in Fushun East Open-pit Mine

BAO Yan, ZHAO Yingtuo, FENG Ping, SUN Peng

2016, 31(3):  11-13. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: This article introduced the formulation process of production plan, and researched the production plan in Fushun East Open-pit Mine. The production plan included the annual plan, month plan and weekly plan. Through researching all levels of plans, the author made production plan more scientific and reasonable, which promoted the actual production.

Control water system optimization in Pingshuo East Open-pit Mine

LIU Yonggang, CAI Guangqi, HAN Jin

2016, 31(3):  14-16. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: Pingshuo East Open-pit Mine is located at the northern end of Ningwu coalfield in Pingshuo mining area. The main source of mine water is atmospheric precipitation collection. The article introduces the drainage system and optimization of drainage system pipeline, which lays safe foundation for safe production in East Open-pit Mine.

Research on shovel operating efficiency based on soft rock sand layer

FU Wenlin, XIAO Junpeng, LIU Zhuqing, LI Wenhai

2016, 31(3):  17-19. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: Lithology is generally soft in Zahanao'er Open-pit Mine. In order to ensure equipment operation, the mine has a lot of hard rock to backfill and puts in a large number of engineering equipment to carry out field work. The article researches the efficiency development of shovel in the process of soft rock sand layer operation, which saves production cost to the greatest extent.

Dumping engineering optimization in Hesigewula Open-pit Coal Mine north mining area

HUANG Chen, WANG Baihe

2016, 31(3):  20-22. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: Hesigewula Open-pit Coal Mine north mining area plans to mine 1-1 coal seam and partial 2-1 seam outcrop coal. The internal dump is an effective path to decrease construction land and reduce transportation distance, which has the important significance to alleviate the pressure of enterprise management, reduce production costs, ensure the sustainable development of enterprises and improve the efficiency of enterprises through investigating erect a safety and stability of the inner dump.

Technology experiment research on many spherical charges blasting shaft-formirg

LIU Guangxing

2016, 31(3):  23-26. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: The author does an experiment of single hole blasting crater test at the same level with the well drilling test and the similar rock properties site based on the blasting crater theory. The experiment obtains the best buried depth ratio of this kind of rock properties according to results of single hole blasting crater test and actual situation of mine. The author successfully obtains a well-forming up to 32 m in depth through arranging round holes, layering in unequal height, setting the middle layer, up and down multiple sequential explosions and reasonable time delay blasting in different layer.

Analysis on transportation equipments selection in Thar Block I Open-pit Coal Mine

CAI Zhongchao, ZHANG Hong, PENG Min

2016, 31(3):  27-29. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract：This article carries out comparison and analysis on main transportation equipments from direct cost, technology and economy aspects in Thar Block I Open-pit Coal Mine, and determines the dump trucks forms which comply with the actual needs of the open-pit coal mine to reduce production cost in maximization and improve the economic benefits of the open-pit mine.

Application of continuous process in Yuanbaoshan Open-pit Coal Mine

WANG Chenguang, BAI Yu

2016, 31(3):  30-33. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: Since the continuous process system was introduced in Yuanbaoshan Open-pit Coal Mine, the mine gradually accumulated some experience of production, maintenance and management aspects and carried out some technical transformation and technological innovation, which made continuous process system more suitable for meeting the demand of development in Yuanbaoshan Open-pit Coal Mine, and provided reference for other mines.

South slope stability analysis in Zhahanao'er Open-pit Mine

WANG Jinwen, LI Yalei, WANG Yanshun, LI Wenhai

2016, 31(3):  34-36. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: In order to ensure the stripping process safety in Zhahanao'er Open-pit Mine south slope, the article researches the stability of south slope. Through analyzing the effect of weak layers and water on the stability of south slope, the author presents the control scheme of  building  drainage ditch to improve the stability of south slope.

High and steep casting step stability analysis and monitoring scheme application

XU Kun

2016, 31(3):  37-41. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: The article analyzes the stability coefficient calculation mechanism of different landslide forms and the horizontal and vertical stress produced by vibration load. Using numerical simulation, the author obtains the safety factor of high and steep casting step, and adopts the slope radar to non-contact monitor casting step according to the technical characteristics and operating situation of high steep casting step in Heidaigou Open-pit Mine.

 

Optimization transform of measurement control net in Rujigou Anthracite Branch

YAN Huaimin

2016, 31(3):  42-45. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: Based on the actual need of unified planning and future mining survey work, the mine formulates and implements the optimization transform scheme of measuring control net. Through practice, it proves that the optimization transform work achieves the expected effect.

Slope stability analysis in Weijiamao Open-pit Coal Mine based on Slide software

ZHANG Yonggui, LIU Hongyu, SHI Xiaodong

2016, 31(3):  46-49. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: According to the specific engineering and geological characteristics in Weijiamao Open-pit Coal Mine, the article selects three typical stope profile, uses Slide slope analysis software to carry out calculation. The results show that slope stability is in accordance with slope design code in open-pit coal mine and each slope is stable, which has important guiding significance for safety production operation in Weijiamao Open-pit Coal Mine.

Analysis and control of truck tire damage in  Pingshuo East Open-pit Mine

LIU Weiyu, YAO Guodong, HAN Feng, ZHAO Jun

2016, 31(3):  50-52. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: Taking truck tires as the research object, the author analyzes the reasons of causing tire normal wear and abnormal wear from the driver's driving behavior, work environment, tire repair and replacement aspects, an presents the measures of improving transportation road quality, strengthening the tire pressure detection, tracking management, formulating tire assessment method and tire reverse contract to reduce production cost and improve the economic benefit.

Establishment of geology survey water control information management system in coal mine

LI Jingtao, MA Yingying, MA Yanhui

2016, 31(3):  53-56. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: The geology survey water control information management system uses C/S + B/S hybrid architecture, including "professional software" and "integrated management" and "business information "three subsystems. Based on geological database, survey database, reserves database and network management platform, the system can realize the geology survey information to share, and realize the standardization and automation of the basic business work, such as geology, survey, water control, reserve management.

Analysis of transformer operation characteristics

CHEN Xu

2016, 31(3):  57-59. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: The transformer is an important part of the power supply system. From the technology parameter of transformer, on the basis of transformer equivalent circuit, the article researches the calculation of transformer short-circuit current, the characteristics of current when no-load pressure and no-load closing. The author analyzes the operating characteristics of transformer from many aspects.

Analysis of SF33900 truck steering failure

DU Xiao, GAO Lei

2016, 31(3):  60-63. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: Owing to poor road condition and long time load operation, the hydraulic steering system failure of SF33900 type 220 t electric wheel dump truck frequently emerges to affect the normal operation of truck. The article describes the steering failure of SF33900 truck, analyzes the reasons, and determines the exclusion method.

Analysis of 730E truck no traction fault electricity reason

QU Youbin

2016, 31(3):  64-66. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: The article puts forward a new opinion and treatment method in order to solve the fault that 730E truck does not display the fault code with no traction through analyzing the control circuit and main circuit of 730E truck, which makes 730E truck to better service the mine and ensure the smooth completion of the production task.

930E truck parking brake failure diagnosis and elimination method

GUO Bao

2016, 31(3):  67-70. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: The article describes the failure phenomenon of 930E truck parking brake failure and finds the failure reasons including the working fluid contamination, steering brake pump damage, parking brake solenoid valve failure or serious wear through analyzing the structure and working principle of the components of the parking brake system. The author puts forward the related solutions of failure mentioned above.

Rear nitrogen cylinder maintenance technology of 630E dump truck

DONG Xin

2016, 31(3):  71-73. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: The article describes the design, application and its using effect of maintenance engineering equipment through analyzing the problems of maintaining rear nitrogen cylinder of 630E dump trucks. At the same time, the author illustrates the maintaining process and content of 630E dump trucks rear nitrogen cylinder. The design of maintenance engineering equipment effectively decreases the labor intensity of maintenance personnel and improves the maintenance quality of rear nitrogen cylinder, which has strong practicability and popularization.

Application of ICOAL in short-term planning establishment in Ha'erwusu Open-pit Coal Mine

ZHANG Liang, YANG Yang, LIU Yu, LIU Haiping, CAO Zhiyong

2016, 31(3):  74-77. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract：Combining with using ICoal software to carry out the medium-term and long-term planning in Ha'erwusu Open-pit Coal Mine, the author carries out compiling monthly plan, including mining location, dumping position, transportation path optimization, and the coordination between mining equipment and transportation equipment. The results show that using ICoal to compile short-term plan can improve the efficiency of mine plan, which achieves the purpose of developing work quickly.

Fault analysis of 930E truck automatic lubrication system

LI Fei, LU Yichi

2016, 31(3):  78-80. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: According to the fault phenomenon of 930E truck automatic lubrication system failure, from the composition and work principle of automatic lubrication system, the article obtains the main reasons which cause the faults, such as oil shortage in grease barrel, lubricating oil pipe line with air, injector fault, manual solenoid valve failure, timer failure, Lincoln pump device failure.

Application of centralized lubrication in Heidaigou Open-pit Coal Mine mining and drilling equipment

WANG Rongjun

2016, 31(3):  81-83. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: Through introducing the main mining equipment of Heidaigou Open-pit Coal Mine, the article elaborates three kinds of mining equipment centralized lubrication application, shows the role of lubrication on ensuring equipment normal operation in mechanical equipment, especially large open-pit mining drilling equipment.

 

Effective ways of preventing welding operation accident in mine

LIU Qinbo, CHEN Zhihong

2016, 31(3):  84-86. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: In order to avoid the accidents caused by the welding operation work. The article analyzes the reasons of mining enterprises production accidents from four aspects and puts forward the effective ways to avoid welding accident. In addition, the author gives the suggestions for the government to strengthen supervision.

Safety risk control in Pingshuo East Open-pit Mine

LIU Guo

2016, 31(3):  87-90. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: Taking Pingshuo East Open-pit Mine for example, the article systematically analyzes safety risk, focuses on evaluating safety risk of slope, blasting, mining, transportation and dumping system in production system, and takes preventive measures to ensure the safety and efficiency of production organization.

Lean management in Shenshan Open-pit Coal Mine

SUN Yu

2016, 31(3):  91-93. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: Through the development of lean activity, Shenshan Open-pit Coal Mine improves the operation efficiency of coal mine and the site management level, and explores an effective way of improving operation efficiency and reducing cost, which plays a positive role in ensuring and promoting the healthy and stable development of coal mine safety and benefit.

Discussion of equipment management after adjusting production process in Buzhaoba Open-pit Mine

WANG Hongchang

2016, 31(3):  94-96. 

Asbtract ( )   PDF  

Related Articles | Metrics

Abstract: This article focuses on elaborating the change of equipment management structure, maintenance mode and maintenance team after adjusting technology in Buzhaoba Open-pit Mine, and the importance of management in equipment repair, maintenance and information construction aspects.