long hole mining

long hole mining

Lost drill rods in up holes are a common problem in the underground mining industry which pose a serious hazard to personnel and equipment working below The long hole plug provides an engineered solution to remove the hazard instantly allowing works to continue below In this article we will discuss about the types of drilling methods used in mining The types are 1 Percussive Drilling 2 Rotary Drilling Method 1 Percussive Drilling In this method which is the oldest one of drilling the hole is drilled by striking a number at short in intervals on the rock by a chisel type tool and between the blows To remove the hazard without wasting valuable production time and capital ME SAFE developed the long hole plug LHP to safely secure lost rods from drill holes In finding a solution to this common mining industry issue ME SAFE has won the Australian Mining Prospect Awards Schenck Process Excellence in Mine Safety Occupational Health and Safety OH amp S title in 16 3 2017 nbsp 0183 32 A long stope distributes the broken ore well along the level and tramming is thus facilitated Disadvantages The principal disadvantage of a flat back stope is that if filling is used and kept close to the back it must be distributed in wheelbarrows or cars Rill Cut Stoping Miningcrawler down the hole for underground mining multifunction drilling rig 5200 Drilling diameter 89 mm 762 mm Drilling depth 0 m 100 m The 5200 can be used to drill from 3 5 inch 89 mm to 30 inch 762mm diameter holes Most applications allow the machine to drill to a depth greater than 330 ft 100 m

Long hole production drilling Archives Mining

28 12 2011 nbsp 0183 32 Long hole open stoping mining method metman Materials OP 28 Dec 11 20 11 This method is one of two methods used at Barrick Golds underground Rodeo Creek extension of the Miekle Meikle portion of the Goldstrike Complex in Northern Nevada USA I am looking for an explanation and diagram without any success This link Work directly with the principal at one of their flagship gold mines In this role you will be responsible for safely and efficiently operating Atlas M7C E7C production drill rigs Working 12 hours per day on an even time roster FIFO from Perth this position is offered on a contract basis commencing immediately Download scientific diagram Long hole stoping and removing ore after blasting from publication Underground mining Methods Underground Mining Methods Soft rock Mining Methods Blast mining Rama Mining Tools is a leading manufacturer exporter and supplier of Simba Junior A ring drilling machine is specially designed to drill holes in 360 degree rotation for conventional drilling A long hole drilling machine is available in 3 versions 1 Standard Simba Junior 2 Mini Simba Junior 3 Lateral Simba Junior 22 9 2009 nbsp 0183 32 The Simba S7 D is now available for long hole drilling in the small to medium range drift size Focus has been to develop a versatile reliable and safe drill rig for mining conditions

I UNDERGROUND BLASTING Mining and Blasting – Weblog of

a long hole drilling machine for modern mining Mining and Construction has launched the Solo 5 series a long hole drilling machines for underground excavation applications The latest versions of the established Solo family to meet industryRetreat mining is a process that recovers the supporting coal pillars working from the back of the mine towards the entrance hence the word retreat Room and pillar mining advances inward away from the entrance of the mine Other underground mining methods include Hard rock mining bore hole mining drift and fill mining long hole slope Cut and fill mining is a method of short hole mining used in steeply dipping or irregular ore zones in particular where the hanging wall limits the use of long hole methods The ore is mined in horizontal or slightly inclined slices and then filled with waste rock sand or tailings Long Hole Mining Jumbo CABLE R55 Home Shop Jumbo de Barrenos La Long Hole Mining Jumbo CABLE R55 CABLE R55 Jumbo de Barrenos Largos Minero CABLE R55 quantity Add to cart Quote Categories Jumbos Mineros Mining Machinery Mining New Description specs 11 8 2021 nbsp 0183 32 A 7 200 t d shaft operation using long hole shrinkage LHS mining will provide an additional 13 years of mine life to the Karowe operation after a five year construction period The 767 m deep production shaft will be equipped with two 21 t skips for production hoisting and a service cage for man and material movement through the mine

Mine Master underground long hole drilling rig Production

Longitudinal longhole retreat is a branch of the generic mining method known as sublevel stoping For longitudinal retreat the long axis of the stope is along or parallel to the strike of the orebody It may also be referred to as bench stoping or sublevel benching Three variations of this mining method are avoca eureka and creeping cone 1 2 2022 nbsp 0183 32 The entire process is mechanized Longwall mining machines are about 800 feet 240 meters in width and 5 to 10 feet 1 5 to 3 meters tall The miners extract quot panels quot rectangular blocks of coal as wide as the mining machinery and as long as 12 000 feet 3 650 meters Av Industriales Del Poniente 2300 Centro Santa Catarina Nuevo Le 243 n Mexico CP 66350 DTH down the hole hammer long hole drilling is another technique utilized and offers some advantages over drifter drilling Some advantages could be Hole accuracy is much improved due to larger blast holes hammer action down the hole and more rigid drill pipe Hole lengths of up to 60 m can be drilled with acceptable accuracyMcDowell Heavy Equipment Sudbury Ontario new and used construction mining heavy equipment amp parts for surface and underground delivered worldwide Driftech Underground Long Hole Jumbo Drill 3000 Construction Equipment

Improved technologies in longhole blast hole drilling

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