Ventilation modelling software used by a competent experienced ventilation engineer is extremely download pdf 3. Some of the issues mine operators have needed to address recently are increased airflow requirements to dilute diesel particulates in metal and nonmetal mines. Ventilation of underground mine linkedin slideshare. Methods to improve mine ventilation system efficiency. It is preferable that the student is working at a mine site. Our products deliver energy savings and productivity. 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.
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. Mine ventilation offers numerous opportunities for energy and cost savings. Homotropal systems allow for the airflow within the mine to be. 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. Case study about how an ivac pv500 unit was the the most economical, safest and expedient way to stop the air loss in a mine ventilation circuit. 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. Although it contributes nothing directly to the production phase of an operation, the lack of proper ventilation often will cause lower worker efficiency and decreased productivity, increased accident rates, and absenteeism. The main objective of these studies is to develop algorithms to identify the primary mine ventilation systems that minimize the fan power costs, including their. Although it contributes noth ing directly to the production phase of an operation, the lack of proper ventilation often will cause. Introduction to mine ventilating principles and practices cdc. The air flows along intake airways to the working areas or places where the majority of pollutants are added to the air. Natural galleries and other connected openings control elements of the air flow dams, fences, doors, regulators, etc. Some approaches to improve the ventilation system in underground. Engineered for the harsh underground mine environment.
We believe in building on the best, and therefore our total mine ventilation solution is built upon the worlds best oem ventilation equipment, paired with the worlds most used mine mapping software ventsim and leveraging partnerships with some of the biggest names in the world. Chapter 18 ventilation mine safety and health administration. Pdf ventilation planning and design of the omerler b mine. Ventilation on demand is the conceptual name of any optimisation in mine ventilation systems that targets the intelligent and controlled supply of individual mine sites with the required quantities of air. Used in commercialindustrial, heavyduty heatingcooling systems that require heavyduty. 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. Jul 16, 2017 resistance and air flow characteristicsmcpherson. Should there be surplus air, in which some of these options may result financial and other benefits can be obtained. Homotropal systems allow for the airflow within the mine to be transported in the same direction as the fresh air, whereas antitropal systems remove contaminated air in the opposite direction of fresh air entering the mine. Line bratticevent tubing as a short term measure, fireresistant line brattices may be tacked to roof, sides, and floor in. In designing mine ventilation systems, tltturbo aims for the best possible system efficiencies. Since the first symposium in 1982, the uvc has sought to provide mine ventilation engineers and technicians in the underground coal, metal, and industrial mineral mining industry with the latest information and operating practices from the field and promote the exchange of ideas and research in a variety of related areas to include the. Mining ventilation automation principles and design mathematical modeling of the mine.
Mine ventilation ivac heavyduty industrial vacuum systems. Although it contributes nothing directly to the production phase of an operation, the lack of proper ventilation. Mine ventilation ducting reliable solutions by plascorp. The manager of an underground mine must ensure that a plan of the ventilation system at the mine is kept at the mine that shows the direction, course and volume of air currents, and the position of all air doors, stoppings, fans, regulators and ventilating devices, in the mine. Mine ventilation metalair is committed to the design, development, fabrication and installation of high performance steel ventilation ducting products for underground mining and tunneling, and industrial. They involve the estimation of numerous interdependent parameters pertaining to the network status. Mine ventilation society of south africa annual conference. Mine ventilation ducting underground ventilation systems. As such it is as much concerned with the planning process and methodology as it is with. Natural galleries and other connected openings control elements of the. Mcpherson 3 fresh air enters the system through one or more downcast shafts, drifts slopes, adits, or other connections to surface. Our products deliver energy savings and productivity improvements while meeting the highest health and safety standards. When it comes to mine ventilation ducting, it is imperative that the underground ventilation system is of the highest quality to guarantee maximum effectiveness and safety and rest assured that that is exactly what you will be getting when you choose plascorp. In chapter 4, mine fans were classified in terms of their location, main fans handling all of the air passing through the system, booster fans assisting the throughflow of air in discrete areas of the mine and auxiliary fans to overcome the resistance of ducts in blind headings.
Ivac industrial vacuum systems are designed for heavy. Maestro digital mine serves the underground mine ventilation and automation sector. Efforts by government and private industry to improve and modify. A properly designed mine ventilation system can remove contaminants. Through aerodynamic optimization, smart drive technology and blade adjustment we are able to reach fan efficiencies of up to 90% and system efficiencies of up to 85%.
Mine ventilation monitoring systems maestro digital mine. Underground mine ventilation provides a flow of air to the underground workings of a mine of sufficient volume to dilute and remove dust and noxious gases typically no x, so 2, methane, co 2 and co and. 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. Both of these issues are addressed using mine ventilation systems. This revised edition presents an engineering design approach to ventilation and air conditioning as part of the comprehensive environmental control of the mine atmosphere. In many countries, the main ventilation fans for coal mines are required, by law, to be placed on surface and may also be subject to other restrictions such as being. Industrial fan silencers, mine ventilation, axial fans. Assessments are geared to practical evaluation of mine ventilation systems. A properly designed mine ventilation system can remove contaminants from the atmosphere or dilute the contaminants in the atmosphere to safe levels. When it comes to mine ventilation ducting, it is imperative that the underground ventilation system is of the highest quality to guarantee maximum. Ventsim design creates an accurate simulation of the. Airflow sensitivity assessment based on underground mine.
The manager of an underground mine must ensure that a plan of the ventilation system at the mine is kept at the mine that shows the direction, course and volume. This video contains snippets of a complete elearning course on mine ventilation systems developed by octave simulation services private limited. Development of coal mine face ventilation systems during the. Development of coal mine face ventilation systems during. Air force research laboratory 711th human performance wing. Pdf within the mining industry, a safe and economical mine ventilation system is an essential component of all underground mines. Most mine ventilation engineers are involved in ventilation planning and design in some capacity. Inspectors should observe and document the general condition and operation of ventilation systems when conducting an inspection. Abc ventilation systems is a verticallyintegrated manufacturer of flexible and semirigid polymer products and air distribution systems for mine and tunnel ventilation.
Large axial fans are employed to push fresh outdoor air into the mine. Mine ventilation is a crucial factor for the sake of underground. Accurately model, design, evaluate, and optimize underground mine ventilation systems. The importance of the ventilating system in coal mining is recognized. Auxiliary mine ventilation manual workplace safety north. Mvs has been providing engineering services and computer software to the mining and tunneling industries since 1983.
Our ventilation control software is revolutionising the mining industry. The primary ventilation system thus consists of an intake or intakes or downcasts through which the fresh air passes, the mine workings, and an exhaust or. In present day mining, ventilation systems designed and operated to maintain efficient operations will normally enable a high standard of occupational health and safety to be achieved. Mine ventilation systems ventilation is the control of air movement, its amount, and direction. World leaders in mine ventilation and cooling systems. This chapter provides the fundamentals of mine ventilation. Two basic types of ventilation systems include homotropal and antitropial systems. Flowthrough ventilation is the main ventilation circuit for the mine. Please note information from minerals council regarding mec registrations and exams dates please note that the registrations for the july 2020 examination closes. As such it is as much concerned with the planning process and. As this is a professional development course, it is essential that the student has access to a mine site with the support of industry. In present day mining, ventilation systems designed and operated to maintain efficient.
Ventilation systems of mines are often too complex to predict and control the flow without numerical modeling. The air is distributed through the mine via internal ventilation raises and ramps, and flows are controlled by regulators and permanently mounted ventilation fans. 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. 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.
Ventilation safety training pdf files mine safety and. Mine ventilation systems practical mine ventilation engineering to be published by intertec puslishing co. 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. Subsurface ventilation engineering textbook srk consulting. Rich visual 3d mine ventilation simulation software. Jun 24, 2016 4 layouts ventilation ventilation systems in mines components of the ventilation system. Backward incline bi the tips of the blades are inclined away from the direction of rotation. Ventilation modelling software used by a competent experienced ventilation engineer is extremely download pdf. 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. Some approaches to improve the ventilation system in underground potash mines i. The air distribution in the mine should be effective.
Air enters the mine from surface via a shaft, ventilation raise or adit. 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. Mine ventilation metalair is committed to the design, development, fabrication and installation of high performance steel ventilation ducting products for underground mining and tunneling, and industrial applications. Ventilation of any underground mine is a process of identifying the potential hazards from a mining system and implementing a ventilation system that ensures the. Quality assurance standards for mine ventilation models and ventilation planning. Subsurface ventilation systems mine ventilation services. 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. Chapter 9 mine ventilation systems practical mine ventilation engineering 6.
Bbe are the driving force, codevelopers and managers of the mining industrys customised software for the analysis of mine ventilation networks, for airflow and. To ensure the safety of workers, these mine ventilation systems must be running at all times while the mine is populated. 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. Correct design, implementation and maintenance of mine ventilation is therefore of fundamental importance. We believe in building on the best, and therefore our total mine ventilation solution is built. Ventilation systems are established to delivering breathable fresh air. Technology center in mine systems design and ground control, office of mineral. Mine ventilation services mvs, a new business unit of srk consulting u. Bbe are the driving force, codevelopers and managers of the mining industrys customised software for the analysis of mine ventilation networks, for airflow and contaminant tracking, with emphasis on full thermodynamic solutions for refrigeration and cooling systems in deep hot mines. The ventilation technical guide is designed to assist in both the management and execution of ventilation programs across the air force. Basic mine ventilation mine safety and health quizzes. Apr 04, 20 this video contains snippets of a complete elearning course on mine ventilation systems developed by octave simulation services private limited. Ventilation is the control of air movement, its amount, and direction.
Guidance about underground air quality and ventilation. Mine ventilation and air conditioning, 3rd edition wiley. Inspectors should observe and document the general. Without an effective ventilation system, no underground facility that requires.
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