Our Services

Combination Mobile Crushing Plant

Combination Mobile Crushing Plant

Compared with fixed production lines,Combination Mobile Crusher have a shorter engineering period and rapider transition, which not only reduces the investment risk and opportunity cost of the investors, but also avoids the demolition and construction

C6X Series Jaw Crusher

C6X Series Jaw Crusher

C6X Jaw Crusher on structure and production efficiency present advanced modern technologies. Our Company's C6X Jaw Crusher can solve such problems of the existing jaw crushers as low production efficiency, difficult installation and maintenance. At pr

HGT Hydraulic Gyratory Crusher

HGT Hydraulic Gyratory Crusher

HGT Gyratory Crusher is a new-type intelligent coarse crusher with big capacity and high efficiency. It integrates mechanical, hydraulic, electric, automated, and intelligent controlling technologies which grant it with advantages traditional crushing

European Type Jaw Crusher PEW

European Type Jaw Crusher PEW

Jaw crushers has stationary jaw crusher, portable jaw crusher and mobile jaw crusher (crawler jaw crusher). Jaw crusher (PEW Series) is not only able to be used together with mine-selecting and gravel processing equipments but also be used independen

VSI5X Vertical Shaft Impact Crusher

VSI5X Vertical Shaft Impact Crusher

VSI Crushers Working Principle Raw material falls down into feed hopper, and then enters rotor through central entrance hole. It is accelerated in high-speed rotor, and then is thrown out at speed of 60-75m/s. When hitting anvil, it is crushed. Final

VSI Vertical Shaft Impact Crusher

VSI Vertical Shaft Impact Crusher

VSI Series vertical shaft impact crusher is designed by reputed German expert of SBM and every index is in worlds leading standard. It incorporates three crushing types and it can be operated 720 hours continuously. Nowadays, VSI crusher has replaced

VUS aggregate optimization system

VUS aggregate optimization system

The VU system is a global most-advanced dry-process sand-making system. The system is constructed like a tower. Its fully-enclosed layout features high integration. It integrates the functions of high-efficiency sand making, particle shape optimizatio

MTW-Z European Trapezium Mill

MTW-Z European Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

5X Series Roller Grinding Mill

5X Series Roller Grinding Mill

Grinding roller of MB5X Pendulum Roller Grinding Mill l adopts diluted oil lubrication. It is a technology initiated domestically which is maintenance-free and easy to operate. Diluted oil lubrication is oil bath lubrication, more convenient than grea

MTW Trapezium Mill

MTW Trapezium Mill

MTW European Grinding Mill is innovatively designed through deep research on grinding mills and development experience. It absorbs the latest European powder grinding technology and concept, and combines the suggestions of 9158 customers on grinding m

LM Vertical Mill

LM Vertical Mill

LM Vertical Grinding Mill integrates crushing, drying, grinding, separating and transport. The structure is simple while the layout is compact. Its occupational area is about 50% of that of the ball-milling system. The LM grinding mill can also be arr

TGM Trapezium Mill

TGM Trapezium Mill

TGM Super Pressure Trapezium Mill The operation principle of main unit of Trapezium mill is that main unit runs with the central shaft that is driven by a gear box. The top of the shaft is connected with a quincunx stand on which a grinding roller is

Mining Equipment Reliability SpringerLink

This chapter presents various important aspects of mining equipment reliability including reasons for improving mining equipment reliability, open pit system reliability analysis, programmable electronic mining system failures, fault tree analysis of shovel machine, and dumper tyre reliability and factors affecting their reliability.

More

Design of Coal Equipment Life Cycle Reliability Management

A new coal mine equipment management system based on network is proposed in the paper. The principle of the mine production equipment service life cycle is introduced, the maintenance management information system framework and function modules are designed which combines with the characteristics of the mine production equipment to equipment status.

More

Reliability analysis of mining equipment: A case study of

Apr 01, 2008· To improve the reliability of mining machines, the most important measures requiring immediate attention are to grasp and remove the factors causing problems in all steps of the life cycle, such as planning, design, construction and maintenance, and to evaluate quantitatively the reliability model based on the failure history data.

More

(PDF) Reliability centred maintenance (RCM) for heavy

In this paper, Case studies of reliability and maintainability of HEMM used in an open cast coal mine in India are discussed based on the principles of reliability centred maintenance (RCM).

More

Mining Equipment Reliability, Maintainability, and Safety

According to a study based on the United States Mine Safety and Health Administration (MSHA) coal, metal, and non-metal operator- and contractor-reported data, there were 1926 mine electrical

More

Analysis and Design on Coal Mining Machinery System

The rational design of coal mining machinery improves the efficiency of coal production and reduces the production cost. Basing on specific mining examples, a set of mining machinery system was obtained by technologically analyzing the calculation of production efficiency, as well as the selection of mining machinery, supporting device, and conveyor etc.

More

Mining equipment reliability: A review ScienceDirect

Aug 01, 1992· Mining equipment reliability 1141 Of the 197 articles reviewed, a significant proportion (about 38 percent) are exclu- sively on Coal mining equipment reliability. Only about 9 articles are exclusively on Ore mining equipment reliability-a relatively insignificant proportion.

More

(PDF) Availability analysis of selected mining machinery

reliability. Coal cut by a longw all shearer is transported by an armoured face conve yor. The coal mining rate is 80.71%, and the cutting specific energy consumption is 585.64 w.h/m3

More

Machines Used in Coal Mining Career Trend

Nov 28, 2018· The panel being worked on may be up to 800 feet in width and 7,000 feet in length. Mined coal is deposited onto a conveyor that moves the coal to a collection area. Hydraulically powered shields over the machine provide ceiling support. Longwall mining is more efficient than room and pillar mining, but the equipment is more expensive.

More

Equipment Selection for Surface Mining: A Review

however, for large-scale open pit mining in particular, the \truck and loader" material movement practice is the preferred method of materials handling (Czaplicki, 1992; Ta et al., 2005). Throughout this paper, we consider a \loader" to be any type of high productivity excavating equipment, which may include a mining loader, shovel or excavator.

More

Reliability Simulation of Mining System for Mechanized

This paper first analyzes the logical relationship in mining system of fully mechanized coal face and then establishes the system reliability calculation model and simulation model. Based on the running technological data from the mechanized coal

More

(PDF) Reliability-based maintenance analysis of Armored

Mining Equipment Reliability, Maintainability, and Safety subsystems for the coal shearer based on field data and machine design. on spray jets of double-drum shearer machine in Tabas Coal

More

Dynamic reliability analysis for planetary gear system in

Nov 01, 2016· A mining shearer is critical for maintaining efficiency and security in underground coal mining, for which reliability, maintainability and safety are prominent factors. the planetary gearbox is extensively used in the design of mining equipment. 2.1. Performance of transmission system in shearer B. WenPractical reliability-based design

More

The Design and Implementation of Coal Mine Monitoring

(6) Among coal mine safety rules, there are a large amount of procedures involving the collaborative operation between people, equipment, transportation tools and mining process, for the The Design and Implementation of Coal Mine Monitoring System Based

More

Mechanical Design of End Support in Coal Mine Scientific.Net

End support on coal face is an important equipment of improving the work efficiency and the safety of coal mine production. Based on the work environment and the requirements for end support, the research analyzed the mechanical design of end support, such as its structure and composition. Moreover, several features which need to be paid attention to in the design

More

Intelligent Mining Technology for an Underground Metal

Jun 01, 2018· Integrated communication, sensors, artificial intelligence, virtual reality, information technologies, computer technologies, and unmanned control equipment were combined in order to achieve intelligent mining technologies, as shown in Fig. 2.Such technologies are based

More