September 19, 2011 china and india account for half of global energy growth through 2035. Topsoil cannot always be placed directly onto mined out land. I read somewhere that this is considered as high volatile and the stockpile height should be restricted to 4 m. Product stockpiles are often used as a control measure to regulate the. The impact of the quality of coal mine stockpile soils on. Oct 22, 2016 an understanding of the mechanisms of water migration and retention in coal stockpiles are required to optimise the management of these stockpiles.
Implementation of quality management system for coal handling. What are the effects of temperature, humidity or moisture on incubation periods. Pdf optimising coal stockpiles in a supply chain using a. Miltech routinely works with utility project managers through the development and planning phases of all types of small to medium sized engineering. Stockpile density data is used to calculate the overall tonnage of your stockpiles. The location of all stockpiles must be identified on the storm water pollution. Wa is now required for the creation of a residue stockpile.
Only a basic eia assessment is required if the waste in. Providing a managed system reducing management overhead complete coal internet data hosting and reporting portal specifically designed for the utilities industry. Intelligent management of coal stockpiles using improved. Applicants for waste management licences must undertake an environmental impact assessment eia process in accordance with the national environmental management act 107 of 1998 nema. Implementation of quality management system for coal. Haeyang pak 1, toshiya tada 2, naoki kikuchi 3, takuo shigehisa, toru higuchi3, dr. Management of tips and stockpiles health and safety authority. Et, to start a free trial, get pricing information, order a reprint, or post an. Managing your stockpile effectively can be a daunting task when you have to consider all the factors that play a major part in it.
Stockpiles pdf files browse our collection of stockpiles files in pdf format. Pdf coal product moisture control using stockpiles researchgate. In terms of coal oxidation in coal stockpiles, the design of the stockpile and configuration of the stockpile also play an. General provisions for coal stockpiles and on stockpiles with underlying feeders. Stockpile management procedures are designed to reduce or eliminate stormwater pollution from stockpiles of materials such as but not limited to uncontaminated soil, concrete, asphalt, and aggregate. Waste and waste derived products for recycling 1 introduction a common aspect of waste management is the storage or stockpiling of waste for recycling or reuse. Using these characteristics transforms modern management practice into what may be the next generation of management. It includes preparation for, planning, initiating, monitoring, adjusting and reporting on the implementation of stockpile management. Spontaneous combus on services stockpile management.
Among other factors, the research is establishing a threshold for the specific kernel moisture content, temperature, and the various time and storage management scenarios that will lead to the appearance of concealed damage, and refine guidelines for when action should be taken. Our analysis methods can answer several key questions related to stockpile management. Stable materials can become unstable if one or more of the other factors below are causing an issue. The need for the system at bhp aris es from the complexity of the processes operating at that site. Coal quality an integrated coal quality management system is in particularly important when power plants are supplied by different minesites with variable coal parameters such as. Seiichi yamamoto4 1 mechanical engineering research laboratory, technical development group 2 mechanical engineering research laboratory, technical development group currently kobelco ecosolutions co. A simple stockpile is formed by machinery dumping coal into a pile, either from dump trucks, pushed into heaps with bulldozers or from conveyor booms. This can be especially difficult when you have considered the environmental impact, quantity vs. Coal fertilizers iron ores stockpile measurement is a technique to measure the volume and weight of commodity stockpiles. The process is managed through qms, which is clear on plan, do, check and act. Stockpile management illinois department of transportation.
Evaluation of spontaneous combustion in stockpile of subbituminous coal dr. Smart automation product suite smart stockyard management system the mra smart stockyard management system is part of our smart automation product suite that also includes. Unit descriptor this unit covers the implementation of the stockpile management plan in the coal and metalliferous mining and extractive industries. Therefore, it may be necessary to stockpile the resource for future use 11. Standard practice for tonnage calculation of coal in a. The impact on stockpile stability of discharges of water e. Kct spontaneous combustion management protocol authorised by. I am working on a project in indonesia for a coal export terminal. Factors determining the siting and design of tips and stockpiles. Management of tips and stockpiles health and safety. October 4, 2011 china dominates global coal production.
Stockpiles are normally stacked in stockyards in refineries, ports and mine sites. The shape and positioning of stockpiles can also be used to control moisture and mold growth. Coal quality management and the control of the flow of coal through complex mining preparation and transport phases of standard mining operations has. More controlled stockpiles are formed using stackers to form piles along the length of a conveyor, and reclaimers to retrieve the coal when required for product loading, etc. Standard practice for tonnage calculation of coal in a stockpile. Project management and stockpile inventory our power services include engineering and project management support for small to medium sized projects along with coal stockpile inventory assessment. Intelligent management of coal stockpiles using improved grey. Coal operators conference faculty of engineering and information sciences 1998 improving fundamental stockpile management procedures p. Stockpilng safety mshas safety manual series, sm 27. An understanding of the mechanisms of water migration and retention in coal stockpiles are required to optimise the management of these stockpiles. The present invention is concerned with the field of industrial mining for raw materials, and in particular for controlling the stacking of a stockpile 2 continuously fed from a plurality of quarries 1. Fugitive dust mitigation solutions for coal stockpiles. Environmental impact statement eis assessment report for the washpool coal mine project. Though there is a wealth of data on stack emissions from power plants, little consideration has been given to gaseous emissions from coal.
Normally, if the supply of oxygen is stopped or used up, as in the middle of a stockpile, the temperature will then decrease, stabilize and self heating will not. In order to achieve a fully automated operation from a central control room. What is the incubation period for self heating under various conditions. American international journal of available online at. Do not wet dry coal or add wet coal to a dry coal stockpile repair washouts and gullies on discard dumps immediately monitor the degree of compaction, temperature and gases emitted from longterm stockpiles do not store coal adjacent to or on top of hot coal do not load hot coal 55c into trains or ships. The simulation results show that the heat tends to be generated at the foot of each stockpile where the breathability is high. The dozer tipped and rolled twelve feet over an embankment into the stream.
Intelligent coal stockpiles management system is significant for the nextgeneration cleaner power plants. Stockpile design and management shall be such that materials can be safely stored and handled. Stockpiles shall be maintained so as not to become unstable. The moisture content of product coal is a major factor influencing the efficiency of downstream coal utilization processes.
New coal storage technology at the bocamina plant in chile. Coal quality management systems application of coal online analysis the systems of coal quality management can be applied in several phases of coal handling. What are the implications of supply chain handling, stockpile, rail, barge and delivery to client on spontaneous combustion. Processcentered management is a system that manages organizational activities as a process. Managing spontaneous combustion fossil fuel foundation.
Once all that waste in that stockpile has been accounted for i. In that case i will have to have very long stockpile. Smart wagon products form part of a full train loadout or dump station automation solution that can replace an onsite operator or an aged photoelectric pe cell solution. Knijnikov research online is the open access institutional repository for the university of wollongong. Operation spontaneous combustion management plan 5 of 19 document no. Stockpiles pdf files browse our collection of stockpiles files in pdf. Coal product moisture control using stockpiles springerlink. The stockpile area should be free of trash and stored equipment or other potential harborage of insects and vertebrate pests. Karena pada pelaksanaannya quality control dan coal processing bekerja bersamasama di stockpile baik dalam hal sistem penumpukan batubara di stockpile, pengaturan pemuatan batubara, sampai blending batubara. Coal processing biasanya erat sekali hubungan kerjanya dengan quality control atau quality assurance. Deploying hele coalfired power plants is also a key step along a pathway to near zero emissions from.
The project would involve the development of an open cut pit, mining up to 7. Evaluation of spontaneous combustion in stockpile of sub. It has also been confirmed that the stockpile of subbituminous coal exhibits a faster temperature rise because the coal has an. Stockpile management at an operational level see ks to maintain the coal in good storage conditions and control for coal heating and du sty conditions. Deploying hele coal fired power plants is also a key step along a pathway to near zero emissions from coal with carbon capture use and storage ccus. To control the stacking of the stockpile, a controller platform 3 is provided which receives material information of the raw material to be delivered to a crusher 4 from the trucks 5. To control the stacking of the stockpile, a controller platform 3 is provided which receives material information of the raw material to be delivered to a crusher 4 from the trucks 5, material information about the raw material on a conveyer belt 6 by a material composition sensor 7, weight information of the raw material on the. The external variables involve temperature, partial pressure of o 2, and moisture content in the gas medium. The mapping system of the coal quality at the stockpile layers is used for coal homogenization.
Environmental impact statement eis assessment report for. Our stockpile measurement system can accurately measure stockpiles for commodities including. Stocking coal in the long term will be at risk of degaradasi and heating self heating. Besides, a few things to note in stockpile management are as follows. Coal bowl wheel tractorscrapers are available in the 637g and 657g tandem engine models. Blood quarry highwall and stockpile dangers the simsons learn valuable safety lessons around highwalls and stockpiles. Recently there has been news of record levels of iron ore stockpile in china.
For areas of high rainfall special attention should be paid to the construction an effective water runoff and collection system. Stockpile management at an operational level seeks to maintain the coal in good storage. Under the fifo rule, the value of a deduction will be calculated by first applying the lowest levy rate applicable to waste in the stockpile. Do not wet dry coal or add wet coal to a dry coal stockpile repair washouts and gullies on discard dumps immediately monitor the degree of compaction, temperature and gases emitted from longterm stockpiles do not store coal adjacent to or on top of hot coal. Electricity monthly update energy information administration. The quality of the coal being stacked is measured by the online ashmeters mounted on. Stockpile management challenges in mining copper and iron ore stockpiles across the world have risen steadily in the last 12 months. Mathematical modelling of the coal stockpile selfheating process. A stockpile is a pile or storage location for bulk materials, forming part of the bulk material handling process stockpiles are used in many different areas, such as in a port, refinery or manufacturing facility. Sep 10, 2014 coal processing biasanya erat sekali hubungan kerjanya dengan quality control atau quality assurance. This unit covers the implementation of the stockpile management plan in the coal and metalliferous mining and extractive industries.
Stockpile safety animated i homer simpson proves that you should never climb up on a stock pile. Mathematical modelling of the coal stockpile selfheating. Stockpile safety safety training powerpoint presentations. While operating a dozer to push clean coal from a stockpile to a clean coal silo, the operator backed into a five foot retaining wall separating the stockpile from an adjacent stream. Prevention of spontaneous combustion is a key issue for such a system, both in economic and environmental terms. Best management practices manual pc33 topsoil management 0811 chapter 5 postconstruction if topsoil is stockpiled prior to placement, the top 1 foot of the stockpile material should be mixed with the remainder of the stockpile to ensure that living organisms are distributed throughout the topsoil material at the time of final placement. Apart from the process water carried over into the product after beneficiation, additional water due to rainfall can add to the total moisture contained in a stockpile. Spontaneous combustion of coal practical maintenance. Accurate and reliable stockpile inventory measurement is one cargo and vessel service offered by sgs, a trusted leader in bulk cargo inspection and management. Manager sustainability and corporate affairs 1 introduction 1. About this training course managing your stockpile effectively can be a daunting task when you have to consider all the factors that play a major part in it. Hazard alert stockpiles while operating a dozer to push clean coal from a stockpile to a clean coal silo, the operator backed into a five foot retaining wall separating the stockpile from an adjacent stream.
Improving fundamental stockpile management procedures. Stockpile coal handling edition 41 231 23 ephbsec2311. Prinsif dasat management of the stockpile is the application system is fifo first in first out, which earlier incoming coal must be removed first. Combustion principal hazard management plans across the spectrum of operations including, at the mine, in transit or in stockpiles. Spontaneous combustion of coal is the process of self heating resulting eventually in its ignition without the application of external heat. Please reference section 8 of this handbook for more informa tion on coal bowl wheel tractorscrapers.1395 617 120 668 1302 372 570 1571 771 1460 687 878 11 725 652 359 784 538 107 555 808 940 502 912 595 191 1295 868 764 1489 1086 883 158 418 1174 709 1286 1469 923 756