Ventsim design is the worlds best selling mine ventilation software, used and trusted by over 1500 mines, universities, consultants, government and research organisations. This requirement is integrated into the mining law of those nations who possess that type of legislation. Ventilation safety training pdf files mine safety and. Underground mine design, planning, and engineering srk. It also has a section for specific operations that specifies volumetric flow rate, minimum duct velocity, and hood entry losses for a wide range of baselevel operations. This program provides professional development in mine ventilation and mine environment monitoring for mining engineers and other mining personnel. The first activity in the mine ventilation planning and design process is the establishment of a basic or initial ventilation network and an appropriate database containing all necessary data. Practical mine ventilation engineering effective, flexible, and. Ventsim design is an expert tool thats useful in all stages of ventilation design, from assessing needs and selecting hardware in the early planning stages to ongoing optimization of everyday operations in a working mine.
Mine inspection system mine design ventilation layout must take spon. It has the symbol and is used in the square law for pressure drop, where in english units. This 170page colour manual is intended to provide an overview of auxiliary ventilation and to present guidelines for the design, and effective. In pace with our ever increasing demand for metals and with many of the known shallow deposits already exploited, the mining industry is forced to enter into deeper and unexplored territories in search for new deposits. It also has a section for specific operations that specifies volumetric flow rate, minimum duct velocity, and hood entry losses for. John is a consultant with over 6 years of experience in mine ventilation system design and analyses for metal, nonmetal, and coal mines around the world. This is useful in explaining mining ventilation concepts to engineering students and. Ventilation pressures need to be watched carefully. Although mine plans continually evolve, it is important for farsighted decision making to identity overall design constraints and critical design scenarios for the longer term. Jun 24, 2016 rules for calculation of air requirements in underground mines the main parameter of the mine ventilation system is the flow of fresh air to be blown in the workplace.
Howden mine ventilation engineers use ventsim design simulations to create an optimized plan based on your existing mine. Mvs has been providing engineering services and computer software to the mining and tunneling industries since 1983. Mine ventilation is defined as a combined system of shafting, ducting and a welldesigned combination of fans, mine ventilation is a basic need of mining industries, it is required for providing adequate oxygen for the workforce and to dilute and exhaust dangerous gasses in the underground mine, it is also required to take a smoke of machine equipment out because many. Sep 30, 2015 ventiliation design considerations for underground mines part 1 september 30, 2015 by cbpower in howtos and tutorials. Pdf this paper describes a case study for the ventilation planning at tki companys omerler b mine in tuncbilek coal basin which is located. He manages a small team of engineers in the design and implementation of underground mine ventilation systems for mining and civil projects around the world. It provides an indepth look, for practitioners who design and operate mines, into the health and safety aspects of environmental conditions in the underground workplace. Effective planning involves all disciplines and singularly the most important in hotrock mines is that of ventcooling. High differential pressures across pillars and slack coal will cause issues. Mine ventilation services mvs, a new business unit of srk consulting u.
Mcpherson 3 now, while the temperature of the mass of rock surrounding the shaft may change relatively slowly with time, the air temperature at the shaft entrance can change from hour to hour and, especially, between day and night. Ventsim design is a complete integrated mine and tunnel ventilation software package for the design and testing of ventilation circuits including airflow, pressure, heat. Sealants for air leakage one of the main requirements of any efficient mine ventilation system is coursing of fresh air through specified paths to the work places with minimum leakage. In order to provide ventilation to underground mining operations, mining ventilation engineers will put together a complex system to ensure a mine is operated both safely and economically. Atkinson resistance is commonly used in mine ventilation to characterise the resistance to airflow of a duct of irregular size and shape, such as a mine roadway. A properly designed mine ventilation system can remove contaminants. Auxiliary mine ventilation manual workplace safety north. Efficient ventilation of underground mines consists in having such complete control of air currents that there is always supplied at places where men work sufficient moving air to allow working at maximum capacity without injury to health. From the supply point of view of oxygen requirements for human consumption and internal combustion engines diesel, there are specific rules to be observed which are adopted in. Ventsim design is a complete integrated mine and tunnel. Our ventsim design software is the ultimate 3d mine ventilation design solution. To maintain adequate ventilation through the life of a mine, careful advance planning is essential. Pdf ventilation planning and design of the omerler b mine. Design and sizing of ventilation gas laws energychanges head losses and mine heads head gradients in mine openings head losses air power mathematical modeling for control conclusions outline 1 air.
Introduction to mine ventilating principles and practices cdc. Inspectors should observe and document the general condition and operation of ventilation systems when conducting an inspection. A properly designed mine ventilation system can remove contaminants from the atmosphere or dilute the contaminants in the atmosphere to safe levels. Ventiliation design considerations for underground mines part 1 september 30, 2015 by cbpower in howtos and tutorials. The hazard analysis will need to encompass not limited to. Mine ventilation and air conditioning, 3rd edition wiley. Chapter 18 ventilation mine safety and health administration. Ventilation within any type of underground mine functions in order to introduce fresh air into the workspace of the workers, while simultaneously removing contaminated. Subsurface ventilation engineering book srk consulting. Thus the total energy costs of the secondary ventilation represents about 25% of the overall mining energy costs. The second minidesign involves a ventilation network scenario using ventsim, and students develop a design process, select and use engineering tools. You can also simulate and animate air flow and fan behaviour in real time and analyse mine ventilation within a rich and dynamic visual environment.
Splitmine ventilation is a minewide ventilation method designed to deliver the bulk. Splitmine ventilation of the three ventilation methods, splitmine ventilation is the simplest in terms of layout and design, as the mine is split into separate intake and exhaust sides. The society for mining, metallurgy and exploration is pleased to announce the upcoming 16th north american mine ventilation symposium, which will be held at colorado school of mines in golden, colorado from june 17 through 22, 2017 the north american mine ventilation symposium is organized by the underground ventilation committee uvc of the society for mining, metallurgy and. Two basic types of ventilation systems include homotropal and antitropial systems. Chapter 9 mine ventilation systems practical mine ventilation engineering 6. The objective of auxiliary ventilation in underground mines is to deliver sufficient air quantity and quality to all workplaces through the use of a combination of fans, ducts and air flow controls. The diploma is structured to meet the needs of both the metalliferous and coal mining sectors. The main objective of an underground mine ventilation system is clear. Basic ventilation system underground where d is a ventilation door or airlock, r is a mine regulator and 1, 2, 3 are working places with a surface exhaust fan. Wallace has over 30 years of underground ventilation experience.
The state of the mine ventilation needs to be monitored to ensure that the quantity of air is maintained consistently and that emitted gas levels are maintained below safe threshold levels. Leakage of air cannot be entirely eliminated in a ventilation system because of practical constraints. Because of these surface variations, it is common for the. Split mine ventilation of the three ventilation methods, split mine ventilation is the simplest in terms of layout and design, as the mine is split into separate intake and exhaust sides. There are many graphic descriptions of methane and coal dust explosions, the suffering of mining communities, the heroism of rescue at. Monitoring is done both manually and by the use of continuously operating monitors that may indicate remotely, often to the surface. Ventilation system design for the codelco new level project. The software results exactly resemble the mine layout in all three dimensions as shown in fig. Ventilation in underground mines and tunnels worksafe. The air current at working faces shall under all conditions have a sufficient quantity to dilute, render harmless, and carry away flammable, explosive, noxious, and harmful gasses, dusts, smoke, and fumes, this quantity shall be specified in the approved ventilation plan. Splitmine ventilation is a minewide ventilation method designed to deliver the bulk of the main mine fans airflow to the last open crosscuts near. Thus the total energy costs of the secondary ventilation. Mine production is designed to be 7,000 tpd with an option to increase it to 180,000 tpd.
Worldwide there are less than five firms that specialize in only underground mine ventilation. Oct 17, 2017 appropriate mine ventilation improves the productivity of the mineworkers, reduced accidents within the mine and fewer chronic conditions associated with contaminant inhalation. Rules for calculation of air requirements in underground mines the main parameter of the mine ventilation system is the flow of fresh air to be blown in the workplace. Ventiliation design considerations for underground mines. Underground mine design, planning, and engineering increase project efficiency and productivity through rigorous mining method selection and use of advanced technology we have extensive global underground mine engineering and operating experience across most. The results of those analyses may then be considered, together with the other aspects of mine design, at the general planning meetings. This video demonstrates the recording of a simulator developed by octave simulation services pvt. Changes in mining conditions or mine design which may lead to hazards such as spon. This chapter provides the fundamentals of mine ventilation. The practice of mine ventilation engineering sciencedirect. Line bratticevent tubing as a short term measure, fireresistant line brattices may be tacked to roof, sides, and floor in underground coal mines to provide temporary stoppings where pressure differentials are low in and around working areas. Bureau of mines usbm and national institute for occupational safety and health niosh research to examine factors that had a significant influence on mine ace ventilation design during the past century. Ventilation of underground mine linkedin slideshare. About mine ventilation systems we have expertise in designing main and auxiliary ventilation systems, including heating and cooling plants.
While learning ventilation system basics, regulations and design principles, mining engineering students obtain handson experience through the use of the mines mine ventilation laboratory and the edgar experimental mine. If we then look at the general breakdown of installed power of the secondary fan to primary vent fans, the ratio is around 2. Tube bundle gas detection systems may be worth considering. Most mine ventilation engineers are involved in ventilation planning and design in some capacity. It allows you to create a 3d model of your tunnels, shafts and raises using your existing 3d mine drawings. Ventilation basic mining processterminology introduction. Development of coal mine face ventilation systems during the. Blank ventilation map mine map used in ventilation training. This study focuses on one of the key design aspects of mine ventilation fans, i. Quality assurance standards for mine ventilation models and ventilation planning. Monitoring is done both manually and by the use of continuously operating. The topic of mine fans, their design and usage, among other related topics is explored more in detail below. Blank ventilation map mine map used in ventilation training in excel format.
Modeling software has become an integral part of planning and developing ventilation systems in partnership with graphical mine design software packages to. No matter the stage of your project, we can support you, from scoping study level designs, to detailed construction design, to optimizing existing systems. Significant advances in ventilation control strategies through remote sensors and monitoring capabilities have been developed to. The mines mining ventilation laboratory features two experimental arrangements. Split mine ventilation is a mine wide ventilation method designed to deliver the bulk of the main mine fans airflow to the last open crosscuts near. The panel was established under section 11 of the mine improvement and new emergency response miner act of 2006. Mine ventilation an overview page 2 revolution, the working of seams rich in methane gas, inadequate ventilation, furnaces located in methaneladen return air and the open flames of candles. This revised edition presents an engineering design approach to ventilation and air conditioning as part of the comprehensive environmental control of the mine atmosphere. Ventsim user conference showcases our latest products and brings together ventsim users from around the globe to share their experience and knoweldge. Mine ventilation design effective mine ventilation begins with design of the system. Modern metal mine ventilation practice is to ventilate with multiple fans, usually surface fans in combination with booster fans underground. Advance ventilation planning involves the consideration of two principal factors. Ventilation modelling software used by a competent experienced ventilation engineer is extremely download pdf. The basic components of any type of mine ventilation system involve a combination of pipes, ducts, fans, cooling and heating systems, and occasionally air cleaning equipment 1.
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