3. Maximize design capacity efficiency, and operate within budget. 4. Ease control and monitoring during plant operations 5. For future upgrading of the process plant 6. eliminate delays in commissioning which is extremely costly exercise in terms of profit loss due to loss of production 7.Web
قرأ أكثر
After the accident and during the rescue process, the rescue team found that the smoke in the roadway of the Liujiamao coal mine was heavy, and the highest CO concentration measured underground was 4.204 × 10-3 %. On January 11th, ambulance crews found two open flames in the underground parts of the Qian'an coal mine.Web
قرأ أكثر
Mechanical cooling of the entire mining tunnel, widely used in deep coal mines, has a significant energy-intensive consumption, particularly for intelligent mining tunnels. Therefore, localized cooling would benefit the intelligent mining industry. Current studies on the temperature, relative humidity, and air velocity under localized cooling for …Web
قرأ أكثر
DOI: 10.1016/j.psep.2021.10.015 Corpus ID: 239123157; Influence of airflow movement on methane migration in coal mine goafs with spontaneous coal combustion @article{Li2021InfluenceOA, title={Influence of airflow movement on methane migration in coal mine goafs with spontaneous coal combustion}, author={Lin Li and Botao Qin and …Web
قرأ أكثر
The article deals with the possibility of efficient control of small and medium-scale biomass-fired boilers by implementing low-cost sensors to sense the trend of carbon monoxide emissions into control of …Web
قرأ أكثر
In the process of green and smart mine construction under the context of carbon neutrality, China's coal safety situation has been continuously improved in recent years. In order to recognize the development of coal production in China and prepare for future monitoring and prevention of safety incidents, this study mainly elaborated on the …Web
قرأ أكثر
22) later argued that CP in the mining industry is "a superior level of environmental performance, which can only be achieved through improved strategy and housekeeping, sound process control, optimized plant layout, and the implementation of efficient management techniques". The authors further indicated that attaining CP at …Web
قرأ أكثر
Therefore, it is urgent to profoundly study intelligent monitoring, early warning, and prevention of mine disasters in order to achieve intelligent control of the entire process of mine safety risks and ensure energy security and green mining in coal mines. The aim of this Special Issue is to solicit original research articles and review papers ...Web
قرأ أكثر
Xstrata is a global diversified mining group with its headquarters in Zug, Switzerland. Xstrata's businesses maintain a meaningful position in seven major international commodity markets: copper, coking coal, thermal coal, ferrochrome, nickel, vanadium and zinc, with recycling facilities, additional exposures to gold, cobalt, lead and …Web
قرأ أكثر
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.Web
قرأ أكثر
Some history and modern practice of Process Control in metallurgical operations is reviewed. Clearly the early deliverables from the pioneer days in t…Web
قرأ أكثر
There is a huge amount of solid waste generated in coal resource exploitation and utilization, leading to effects on the environment and hindering sustainable development. Aiming at the difficulty of disposal of coal-based solid waste from high-yield, high-efficiency mines, this research proposed a technique of gangue grouting filling in …Web
قرأ أكثر
Based on the analysis of the process of China's intelligent construction, this paper describes the safety management and control risks and the technical challenges faced by China's intelligent coal mine construction in terms of norms and standards, data acquisition, subsystem and terminal sensors, multisystem integration, safety risk ...Web
قرأ أكثر
mining, process of extracting useful minerals from the surface of the Earth, including the seas.A mineral, with a few exceptions, is an inorganic substance occurring in nature that has a definite chemical composition and distinctive physical properties or molecular structure. (One organic substance, coal, is often discussed as a mineral as …Web
قرأ أكثر
25th International Conference on Ground Control in Mining 284 ABSTRACT Bowie Resources maintains one of the most pro-active ground control programs in the U.S. mining industry today. Its guiding philosophy is that everyone in the organization, from the miners at the face all the way through the top management, are involved in ground control.Web
قرأ أكثر
The coal mine in deep mining can easily form a compound dynamic disaster with the characteristics of rock burst and gas outburst. In this paper, the analytic hierarchy process (AHP) and the entropy weight method (EWM) are combined, and the fuzzy comprehensive evaluation (FCE) secondary evaluation model of compound dynamic …Web
قرأ أكثر
Spontaneous combustion of coal has long been a thermal dynamic hazard during coal mining, storage, and transport, posing a great threat to coal mine safety.Especially coal spontaneous combustion in longwall goaf poses a great threat to underground working crew. To investigate such a mine safety issue with more insights …Web
قرأ أكثر
Protective coal seam mining (PCSM) is one of the most significant mitigation measures of regional outburst in the process of deep coal seam mining, which has high outburst risk in China.Web
قرأ أكثر
This paper presents a comprehensive quantitative approach for managing safety in coal mines with a multicriteria decision-making model by using fuzzy mathematics. We develop a set of factors that affect the management of safety in coal mines, including ventilation, the mine roof, and mine temperature. The factors also include mine dust, …Web
قرأ أكثر
To study the stability control of stope mining roadways below remaining coal pillars, the present study investigates the destabilization mechanism of coal pillars and roadways in …Web
قرأ أكثر
DOI: 10.1016/J.IJHEATMASSTRANSFER.2019.07.004 Corpus ID: 198470510; Philosophy of longwall goaf inertisation for coal self-heating control, proactive or reactive? @article{Zhang2019PhilosophyOL, title={Philosophy of longwall goaf inertisation for coal self-heating control, proactive or reactive?}, author={Jian Zhang and Jingyu An and …Web
قرأ أكثر
"Full text available only in PDF format" References. 1. HOLLAND-BATT, A.B. Spiral separation: theory and simulation, Transactions of the Institute of Mining and Metallurgy (Section C: Mineral Processing and Extractive Metallurgy), 1989, vol. 98, pp. C46-C60.[ Links ] 2. HOLLAND-BATT, A.B. Interpretation of spiral and sluice tests, Transactions of …Web
قرأ أكثر
This document describes the process plant and the control philosophy. 2. PROCESS DESCRIPTION. Processing of gold bearing ore includes the following activities: Crushing. Grinding and gravity concentration. Flotation. Cyanidation of gravity and flotation concentrates. Acid washing and elution of loaded carbon. Regeneration of eluted carbonWeb
قرأ أكثر
Underground mining. In underground coal mining, the working environment is completely enclosed by the geologic medium, which consists of the coal seam and the overlying and underlying strata. Access to the coal seam is gained by suitable openings from the surface, and a network of roadways driven in the seam then facilitates the installation of ...Web
قرأ أكثر
The primary objective of this paper is to present a model of a process management system developed to support the restructuring of Polish enterprises of the …Web
قرأ أكثر
Anglo Platinum's control schema for a Run-of-Mine (ROM) ball milling comminution circuit follows a layered approach that involves basic control (regulatory, interlock and sequence control), fuzzy ...Web
قرأ أكثر
The primary objective of process control systems is to reduce risk and prevent to develop abnormal operating conditions by introducing safety interlock systems …Web
قرأ أكثر
coal mining, extraction of coal deposits from the surface of Earth and from underground. Tavantolgoi coal mine, southern Gobi, Mongolia. Coal is the most abundant fossil fuel on Earth. Its predominant use has always been for producing heat energy. It was the basic energy source that fueled the Industrial Revolution of the 18th and 19th ...Web
قرأ أكثر
The Potential for Automation and Process Control in Coal Preparation. Several coal preparation plants are presently "automated" to the extent of automatic …Web
قرأ أكثر
Application of Six-hierarchy model in "2.14" gas explosion accident in Sunjiawan mine. 5.1. Outline of the coal mine accident. On February 14, 2005, a particularly serious gas explosion occurred in Haizhou vertical shaft of the Sunjiawan coal mine, Liaoning province in China, which killed 214 people, injured 30 people.Web
قرأ أكثر
Minerals Automation Standard represents a complete philosophy on how to operate a mining plant, how to make diagnoses to keep downtimes to a minimum in the event of a …Web
قرأ أكثر
This paper describes a visual interactive simulation system of technological processes intended for the development and execution of simulation and emulation …Web
قرأ أكثر
Process Control Philosophy Coal Mine. Study On Whole Process Quality Control In Coal. process quality control should be done from optimizing each process in production, and expend the quality control to the process in order to find and get rid of the main factors which affect the coal quality. Now the mine did not achieve to the process level ...Web
قرأ أكثر