Factors which determine total primary volume capacity and pressure requirements for a mine include the extent and depth of the mine, the complexity, and the stoping. Mining ventilation automation principles and design mathematical modeling of the mine. Most versatile control tool in mining engineering mining ventilation. Because of these surface variations, it is common for the. Describe and apply fan behaviour laws to ventilation systems. Select and operate mine fans determine natural ventilation in a mine know the features of us coal mine ventilation system and methods to design homework 35 % ethics report 5% project report 15 %. Chemistry and technology of mixed paints 8vo, 3 oo materials for permanent painting i2mo, 2 oo todd, j. Indian mining laws require that ventilation surveys be conducted in 1st degree gassy mines at least once every 30 days while air quantity surveys in 2nd and 3rd. The mine head is really a difference in head to move the desired quantity of air.
Nptel, online courses and certification, learn for free. An ability to decide and design ventilation system for underground mine. After the completion of the course, the student is expected to know about. Describe and apply the principles of fluid flow to ventilation systems. Ventilation 1 background the main objective of an underground mine ventilation system is clear. Introduction to mine ventilating principles and practices cdc. An introduction to underground mine environment and ventilation web. The purpose of mine ventilation is to create the necessary working conditions by supplying enough quantity of fresh air to every person in the mine.
The book summarizes the latest knowledge created in the past 40 years in these areas. Splitmine ventilation is a minewide ventilation method designed to deliver the bulk of the main mine fans airflow to the last open crosscuts near. Thefirst perth course was held in 1995 and has become the main venue for the courses with the majority of. Mutmansky, phd, is professor emeritus of mining engineering at pennsylvania state university in university park. Jul 16, 2017 resistance and air flow characteristicsmcpherson. Additional resistances have to be added to allow for shock losses at changes of direction, junctions, etc. The courses started at mount isa in 1981 and have since been delivered across australia. Ventilation the application of the mine openings and. Design and develop a ventilation system for a mine. While blasting in hot strata the temperature of hole should not exceed. Air enters the mine from surface via a shaft, ventilation raise or adit. Hartman, phd, was drummond chair and professor of mining engineering at the university of alabama in tuscaloosa.
Same problem is solved using the three pressure terms of bernoullis equation, and also by the concept of pt,ps and pv that are relevant for the gauge. Alternating current engineering 8vo, boards o 75 townsend, j. 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. The practice of ventilation is continually evolving with new technological advances developed. Ventilation is the control of air movement, its amount, and direction. Mining engineering an introduction to underground mine. Page 39 machinery 8vo, 3 oo titherley, aw laboratory course of organic chemistry 8vo, 2 oo toch, m. Mishra, oxford university press, 1994 mine ventilation gb mishra pdf download. Development of coal mine face ventilation systems during. The authors also coauthored mine ventilation and air conditioning, third edition, published by wiley.
Advanced mine ventilation presents the reader with a unique book providing the theory and applications for designing mine ventilation with computers, controlling respirable coal dust and diesel particulate matter, combustible gas control and, mine fire management. Monitoring is done both manually and by the use of continuously operating monitors that may indicate remotely, often to the surface. This is intended to provide practical guidance to anyone engaged in mining on how they can meet health and safety obligations around ventilation. 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. 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. If it is found to be unsafe, the men must be removed from the mine until the mine is restored to a safe.
This project deals with the pressure and air quantity survey of. Nptel mining engineering video lecture online study material. It is actively involved in research in the broad areas of mine fire and explosions, model studies in ventilation, rock mechanics, underground and surface. An ability to estimate the requirements of ventilation in an underground mine 3. Ventilation of underground mine linkedin slideshare. As per provision of regulation 170 1a of cmr 1957 danger zone is an area falling a radius of 8. The relationship between ventilation pressure and quantity follows a simple square law, pressure is proportional to quantity squared, or for an airway pressure drop equals a constant, known as the resistance, times quantity squared. Mine ventilation and air conditioning hartman, howard l. To gain insights of mine air, mine climate and mine ventilation 2. Ventilation in underground mines and tunnels pdf 1. Mine ventilation basics and advanced concepts contact. Flowthrough ventilation is the main ventilation circuit for the mine. Learn for free, pay a small fee for exam and get a certificate.
Useful for gate, dgms first class exam, dgms second class exam, college exams. The source of these gases are equipment that runs on diesel engines, blasting with explosives, and the orebody itself. Mine static head applies to a series or seriesequivalent system includes all decreases in total head between entrance and discharge mine h s. This is a conference paper which sums up the entire process of flow losses in a mine ventilation shaft. Where b blast ability c compressive strength t tensile strength of a rock. Mine air conditioning and ventilation clicking on a companys name will take you to their web site. It explains the concepts and approach to solve numerical questions based on mine ventilation. Solarultravioletexposures insurface mining operations are likelyto contribute to the occurrence ofsquamous cell and basal cell carcinomas, although this is an inference drawn from studies of outdoor workers in other industries 2830. Apply to mining engineer, technician, general foreman and more.
Arsenic is sometimes a contaminant of metal ores and has been commercially extracted during copper smelting with an accompanying risk of lung cancer 8588. 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. The design for the preventilation system of the okaba coal deposit required 145 m 3 s of air with a main fan pressure of 2. This approved code of practice outlines the ventilation needed for different types of mining and tunnelling operations. Chapter 9 mine ventilation systems practical mine ventilation engineering 6. 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. Ventilation basic mining processterminology introduction. The air is distributed through the mine via internal ventilation raises and ramps, and flows are controlled by regulators and permanently mounted ventilation fans. Exposures to nickel compounds in some nickel refineries have been reported to increase the risk of lung cancer and nasal sinus cancer 8992. Our ventilation control software is revolutionising the mining industry. Ms excel to formulate and solve a ventilation network problem. Pdf modelling of okaba underground coal mine ventilation system.
Use vnetpc software to simulate a complex mine ventilation system. Mine ventilation risks free download as powerpoint presentation. Mine schedule optimisation with ventilation constraints. Pdf modelling of okaba underground coal mine ventilation. Nptel syllabus an introduction to underground mine. Most underground coal mines in india employ an exhaust i. Pdf investigation on fire potential of ventilation ducts. The mine ventilation society of australia mvsa was founded in 2012 by australian mine ventilation practitioners, who share a common passion, dedication, and commitment to ensure a safe and healthy work environment for fellow underground mine workers. Splitmine ventilation is a minewide ventilation method designed to deliver the bulk. The mining ventilation laboratory is equipped with instruments to determine absolute barometer and relative manometer air pressure, wet and dry bulb temperature, quantitative testing for a variety of mine gases and contaminants, and a variety of anemometers. The ventilation training courses have becoe bencharks minmpractical mine ventilation education and over 500 personnel from mines, consulting copanies and state m mining inspectorates have attended. 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 to regulate temperature. The mines mining ventilation laboratory features two experimental arrangements.
This course will provide knowledge on supply and control of air for underground mines. The design for the pre ventilation system of the okaba coal deposit required 145 m 3 s of air with a main fan pressure of 2. A mine ventilation system clears contaminants out of an underground mine, providing fresh air to workers and equipment. Oct 10, 2011 in the case of any mine having extensive workings below ground, if the chief inspector by an order in writing so requires, the manager shall be assisted by a ventilation officer, holding such qualification as the chief inspector may specify in the order, who shall be responsible for supervising the maintenance of the ventilation system of the. To comprehend the ventilation requirements of an underground mine.
Although it contributes noth ing directly to the production phase of an operation, the lack of proper ventilation often will cause. Introduction to mining and mineral processing engineering. Monitoring is done both manually and by the use of continuously operating. Nptel syllabus an introduction to underground mine environment and ventilation web course course outline this course will provide knowledge on supply and control of air for underground mines and the removal of contaminants.
Chapter 18 ventilation mine safety and health administration. When one and onehalf percent or more methane is present in a working place or an intake air course, including an air course in which a belt conveyor is located or an area where mining equipment is being installed or removed, only work necessary. Contaminants including explosive fumes containing nitrous oxide and carbon monoxide, airborne dust, and naturally occurring gases such as. The common method of solving ventilation problems at that time was to abandon the e. In the case of any mine having extensive workings below ground, if the chief inspector by an order in writing so requires, the manager shall be assisted by a ventilation officer, holding such qualification as the chief inspector may specify in the order, who shall be responsible for supervising the maintenance of the ventilation system of the. A ventilation research study was conducted by the national institute for occupational safety and health and a cooperating trona mine in the green river basin of wyoming, usa. Mine ventilation systems practical mine ventilation engineering to be published by intertec puslishing co.
Using the measured, calculated or assumed values, a ventilation model for the mine can be builtup as the combined resistance of roadways connected together in series or parallel, and the overall mine resistance can be calculated. Analysis of mine air, mine climate, natural ventilation, mechanical ventilation and to conduct ventilation survey modules teaching hours module 1. 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. Nptel mining engineering an introduction to underground. 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. Pdf ventilation planning and design of the omerler b mine. Ventilation planning introduction underground coal. Ventilation in underground mines and tunnels worksafe.
To ensure adequate ventilation of a mine, provision is made for suitable paths airways or to gain insights of mine air, mine climate and mine ventilation. 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. Describe environmental hazards found in mines and outline the ventilation control measures that detect, monitor, minimise andor manage these. When examining mine ventilation plans and maps check to ensure that the elements required by 30 cfr 57.