About mine ventilation systems we have expertise in designing main and auxiliary ventilation systems, including heating and cooling plants. 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. Monitoring is done both manually and by the use of continuously operating. Mine ventilation services mvs, a new business unit of srk consulting u. There are many graphic descriptions of methane and coal dust explosions, the suffering of mining communities, the heroism of rescue at. Advance ventilation planning involves the consideration of two principal factors. This program provides professional development in mine ventilation and mine environment monitoring for mining engineers and other mining personnel. Changes in mining conditions or mine design which may lead to hazards such as spon. Worldwide there are less than five firms that specialize in only underground mine ventilation. The results of those analyses may then be considered, together with the other aspects of mine design, at the general planning meetings. The practice of mine ventilation engineering sciencedirect.
Mvs has been providing engineering services and computer software to the mining and tunneling industries since 1983. Howden mine ventilation engineers use ventsim design simulations to create an optimized plan based on your existing mine. 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. Splitmine ventilation is a minewide ventilation method designed to deliver the bulk of the main mine fans airflow to the last open crosscuts near.
It has the symbol and is used in the square law for pressure drop, where in english units. If we then look at the general breakdown of installed power of the secondary fan to primary vent fans, the ratio is around 2. The third minidesign involves a mine heating and cooling scenario using ventsim, and students develop a design process, evaluate engineering tools and identify the tools limitations. Our ventsim design software is the ultimate 3d mine ventilation design solution. 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. 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. Ventilation modelling software used by a competent experienced ventilation engineer is extremely download pdf 3. 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. Underground mine design, planning, and engineering srk. Blank ventilation map mine map used in ventilation training. Monitoring is done both manually and by the use of continuously operating monitors that may indicate remotely, often to the surface. Significant advances in ventilation control strategies through remote sensors and monitoring capabilities have been developed to. Thus the total energy costs of the secondary ventilation represents about 25% of the overall mining energy costs.
Ventsim design is a complete integrated mine and tunnel ventilation software package for the design and testing of ventilation circuits including airflow, pressure, heat. Ventilation system design for the codelco new level project. Subsurface ventilation engineering book srk consulting. The second minidesign involves a ventilation network scenario using ventsim, and students develop a design process, select and use engineering tools. Because of these surface variations, it is common for the. 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. Blank ventilation map mine map used in ventilation training in excel format.
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. Ventilation basic mining processterminology introduction. Ventiliation design considerations for underground mines. 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.
Mine ventilation and air conditioning, 3rd edition wiley. 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. 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. Modern metal mine ventilation practice is to ventilate with multiple fans, usually surface fans in combination with booster fans underground. A properly designed mine ventilation system can remove contaminants from the atmosphere or dilute the contaminants in the atmosphere to safe levels.
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. Mine inspection system mine design ventilation layout must take spon. 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. 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. 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. Chapter 9 mine ventilation systems practical mine ventilation engineering 6. This chapter provides the fundamentals of mine ventilation. The hazard analysis will need to encompass not limited to. The panel was established under section 11 of the mine improvement and new emergency response miner act of 2006. Sep 30, 2015 ventiliation design considerations for underground mines part 1 september 30, 2015 by cbpower in howtos and tutorials. Auxiliary mine ventilation manual workplace safety north.
A properly designed mine ventilation system can remove contaminants. 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. This revised edition presents an engineering design approach to ventilation and air conditioning as part of the comprehensive environmental control of the mine atmosphere. Mine ventilation networks are now developed with on screen graphic construction andor importing of mine networks from mine design software andor computer aided design cad packages. 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. 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. Ventilation of underground mine linkedin slideshare. Pdf this paper describes a case study for the ventilation planning at tki companys omerler b mine in tuncbilek coal basin which is located. Splitmine ventilation is a minewide ventilation method designed to deliver the bulk. Development of coal mine face ventilation systems during. Effective planning involves all disciplines and singularly the most important in hotrock mines is that of ventcooling. 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. Ventsim design is a complete integrated mine and tunnel.
Inspectors should observe and document the general condition and operation of ventilation systems when conducting an inspection. This video demonstrates the recording of a simulator developed by octave simulation services pvt. Pdf ventilation planning and design of the omerler b mine. Ventsim user conference showcases our latest products and brings together ventsim users from around the globe to share their experience and knoweldge. This 170page colour manual is intended to provide an overview of auxiliary ventilation and to present guidelines for the design, and effective. This requirement is integrated into the mining law of those nations who possess that type of legislation. The mines mining ventilation laboratory features two experimental arrangements. 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. 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. Ventiliation design considerations for underground mines part 1 september 30, 2015 by cbpower in howtos and tutorials. Chapter 18 ventilation mine safety and health administration. Quality assurance standards for mine ventilation models and ventilation planning.
Practical mine ventilation engineering effective, flexible, and. The software results exactly resemble the mine layout in all three dimensions as shown in fig. High differential pressures across pillars and slack coal will cause issues. Ventilation modelling software used by a competent experienced ventilation engineer is extremely download pdf. Ventilation safety training pdf files mine safety and. It allows you to create a 3d model of your tunnels, shafts and raises using your existing 3d mine drawings.
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. Introduction to mine ventilating principles and practices cdc. Modeling software has become an integral part of planning and developing ventilation systems in partnership with graphical mine design software packages to. This study focuses on one of the key design aspects of mine ventilation fans, i.
This is useful in explaining mining ventilation concepts to engineering students and. Ventilation within any type of underground mine functions in order to introduce fresh air into the workspace of the workers, while simultaneously removing contaminated. 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. The topic of mine fans, their design and usage, among other related topics is explored more in detail below.
It also has a section for specific operations that specifies volumetric flow rate, minimum duct velocity, and hood entry losses for. Ventsim design is the worlds best selling mine ventilation software, used and trusted by over 1500 mines, universities, consultants, government and research organisations. 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. Ventilation in underground mines and tunnels worksafe. 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. 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. Mine production is designed to be 7,000 tpd with an option to increase it to 180,000 tpd. 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. 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.
Ventilation pressures need to be watched carefully. No matter the stage of your project, we can support you, from scoping study level designs, to detailed construction design, to optimizing existing systems. Two basic types of ventilation systems include homotropal and antitropial systems. Most mine ventilation engineers are involved in ventilation planning and design in some capacity. 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. Jul 16, 2017 resistance and air flow characteristicsmcpherson. 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. 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. Development of coal mine face ventilation systems during the. 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. 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.
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