High quality, rugged and custom configured stone dusters for underground coal mining in Australia. High pressure and mechanical bulk dusters, portable and hand held dusters and a fully integrated automatic system for the pneumatic …
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We engineer the most advanced surface and underground mining solutions for the world's best miners to unlock productivity, enhance safety, and reduce maintenance requirements. Start the conversation (+61) 1800 987 525 (+1) 866 276 4637 ... stone dusting systems, conveyor accessories and fabrications for specific projects and applications.
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Firefly's range of underground mining products include those used in drilling and boring applications, lubrication, ventilation, grouting, stone dusting and unit support. As well as carrying out repairs and maintenance, Firefly carries out extensive research and development into market requirements to deliver mining equipment of the highest ...
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third strategy is to mix the coal dust with limestone dust, also known as rock dusting or stone dusting. This works to increase the total incombustible content (TIC) of the dust that collects in …
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Our stone dusters just work, with minimal moving parts or breakdown issues, even in the harshest underground environments. We make our Razer stone dusters at our Tomago fabrication center and are also able to refurbish stone …
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explosions in underground coal mines. The application of dry stone dust contaminates the mine ventilation with inhalable dust well above the recommended limits for personal exposure. Mining operations maintain a balance between production needs and compliance and schedule non production events to carry out dry stone dusting.
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Articulated Dump Trucks . Our Articulated Dump Trucks designed to work in underground mines are ideal for use in restricted spaces. These robust machines have proven to be reliable. Most of the Articulated Dump Trucks are available in standard or low-profile versions.
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Systematic and economic evaluation of the wet form rock dusting process in underground coal mine applications was conducted at the end to determine the safety effects, potential benefits and ...
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The system consists of a bulk silo mounted above a borehole leading down into the mine. The silo is filled by a delivery tanker and the stone duster is filled underground via the borehole and remote controls situated at the filling site underground. The stone duster can also be filled on surface with a screw conveyor system.
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Non-compliant stone dust supplied to underground coal mine . INCIDENT . A routine targeted assessment of the explosion suppression systems was conducted by the Resources Regulator at a Hunter Valley underground coal operationon . 9 November 2016. Inspectors obtained samples of stone dust to verify compliance with the legislated requirement.
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Moorlarben Coal Mine, located in the coalfields of the Mudgee Region of New South Wales, Australia was looking for a low maintenance, streamlined stone dusting system to reduce both time and manpower involved in stone dusting …
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However, fugitive dust from underground mining activities should always be of key concern. Prolonged exposure to dust particles which are smaller than 10 microns in size (PM10 dust) is proven to cause many adverse health effects such as asbestosis, silicosis and coal pneumoconiosis (black lung disease). This is because these dust particles are ...
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As an explosion control measure, rock dusting has been used in underground coal mines in many major coal producing countries with different standards. The effectiveness of the rock dust in reducing explosion intensity has been proven by historic events and laboratory experiments. The main functions of rock dust in controlling mine explosions (i.e., isolator, …
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underground diesel machines. personnel transporters; underground loaders (lhd) ramcar; mechanical grader; underground electrical machines. aux fans; mobile boot ends; shuttle car; feeder breaker; retriever; qds equipment / lhd …
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This first-of-its-kind pull-behind battery-powered duster provides operators with many options over hand dusting. Pull the duster behind a rubber tire ride to blanket dust belt drives, take ups, under belt lines and across areas not easily accessible for hand dusting. 150 lb. hopper standard, Optional 400 lb. hopper
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The POD duster can be set to apply full dusting to the ribs and roof (hand sprayed) of the mine, or it can be set up to operate as a trickle duster. The PD series duster is a pneumatically controlled stone duster used in areas inaccessible to the TDT flinger duster range, providing a wider range of dust delivery applications.
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Both standards are designed to prevent accumulations of combustible materials and reduce the danger of a mine fire or explosion. MSHA's rock dusting standard at 30 C.F.R. § 75.402 requires that all underground areas of a coal mine be rock dusted to within 40 feet of all working faces and that all crosscuts that are less than 40 feet from a ...
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Apply stone dust using stone dusting equipment in an underground coal mine : ORIGINATOR: SGB Mining and Minerals : PRIMARY OR DELEGATED QUALITY ASSURANCE FUNCTIONARY - FIELD: SUBFIELD: Field 06 - Manufacturing, Engineering and Technology: Fabrication and Extraction : ABET BAND: UNIT STANDARD TYPE: PRE-2009 NQF LEVEL: NQF LEVEL: …
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This Recognised Standard does not reduce obligations to comply with stone dusting requirements as per Sections 300, 301,302 & 303 of the CMSHR 2017. 2 Scope . ... underground coal mine, and has the potential to propagate to every part of a mine resulting in multiple fatalities.
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TDT 1200 Razor Flinger Duster The TDT 1200 Razer Flinger Duster is the safest and most efficient machine for underground roadway dusting. The machine consists of a hopper that delivers stone dust via an Auger to the dual flinger motors. …
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Rock Dusting (Definition of Rock dust) Pulverized limestone, dolomite, gypsum, anhydrite, shale, adobe, or other inert material, preferably light colored, 100 percent of which will pass through a sieve having 20 meshes per linear inch …
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Advances in stonedusting. I will talk about and show footage relating to the basics about Stonedust methane and coal dust explosions why previous wet dusting attempts failed ACARP project C16014 - Advances in wet slurry dusting how the slurry additive process works Slideshow 280933 by pavel
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The document lists 20 types of mine plans and sections that are required by mining regulations. They include surface plans, underground plans, vertical sections, ventilation plans, combined seam plans, geological plans, rescue plans, water danger plans, abandoned mine plans, stone dusting plans, sampling plans, firefighting plans, joint survey plans, electrical …
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stone dust & bulk storage. stone dusting machines; bulk stone dust and handling filling system; auxiliary equipment. maintenance & lubrication (rigid frame) maintenance & lubrication (articulated utility vehicles) scissors lift (articulated utility vehicles) scissors lift (rigid frame utility vehicles) crane unit; telehandler
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Coal dust is a hazardous by-product of the coal mining process. Owing to the adoption of mass production technology, the large amount of coal dust produced in underground coal mines has enhanced the prevalence of coal dust explosions and human health hazards [1].Coal dust explosion is a major threat to the mining industry due to the loss of valuable …
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Taken as a whole, this report provides proactive approaches to current rock dusting practices that will improve the application of rock dust in all underground areas of a …
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face area: active mining area in underground mine where coal is being produced float coal dust: coal dust consisting of particles that can pass a No. 200 mesh (74 μm) sieve gob: the caved area of a retreat mining panel, including longwalls headgate: the conveyor and fresh air side of a longwall panel IMC: Incombustible Matter Content in mine dust
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Coal dust explosion 1 kg Coal dust explosion 75kg Coal dust explosion 75kg Wet stone dusting Wet dusting was always viewed as an opportunity to help overcome reductions in cutting times due to stoppages caused by stone dusting. The onset of 7 day operations compounded the problem and attempts were made to apply stone dust as a slurry.
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• Mine dust samples to assess the incombustible content (IC) for determining any rock dust deficient areas common to all nine mines, • Information and issues related to rock dusting, and …
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Strata Worldwide was founded on its line of engineered secondary roof supports for underground mining. We offer options in timber, steel and concrete. 003. Industrial Pneumatic Pumps. ... Stone Dusting Systems (Australia) High pressure and mechanical bulk dusters, portable and hand held dusters and a fully integrated automatic system for the ...
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Stone Dusting - Stone dusting involves the application of an inert dust to the roof, ribs and floor of the mine roadway to render coal dust inert. Stone dust can be applied in any one of several ways, however automated stone dusters are now commonly use. Stone Dust Properties Stone dust is a pulverized inert material such as
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WHILE underground coal mines around the world are busy applying stone dust slurry to their roadways, the practice could actually be ineffective in preventing the propagation of a coal dust explosion. However, new Australian research could provide a solution to stop stone dust caking and allow it to do its job – rendering the atmosphere inert in an explosion or …
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Because the volume of rock dust which can be dispersed over a given time frame is limited by the 2014 dust rule, that rock dust application method tends to limit productivity of the mine and does not allow for a timely dusting of the mine's , exposed coal seam, thereby increasing the amount of coal mine dust that has the potential to be ...
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A sealed part of an underground mine is also under the ERZ0 zone. ERZ1 zone is classified where the methane concentration is between 0.5% and 2%. Also, in places where mining is being carried out, other than by brushing in an outbye location; connection/repair work, to a methane drainage pipeline; exploratory holes for exploration or seam ...
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Rock dust is a pulverized stone used to cover coal dust and render accumulations of it inert. ... Mine-wide automated dusting systems—System can be controlled by programmable logic controllers requiring less labor. ... Report of Investigation. December 7, 1992. Underground Coal Mine Explosion. #3 Mine ID. No. 44-06594. Southmountain Coal Co ...
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• carries out analysis of limestone dust (stone dust) for use as an explosion suppressant in underground coal mines • determines the incombustible content of roadway dust in an …
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The stone dusting method, dusting frequency, triggers for application of stone dust etc. were not detailed in the SOP. In longwall returns, stone dust was mainly applied by hanging 1 tonne stone dust bags at 20m intervals/from POD duster in MG through compressed air pipe line, in LW MG by bulk dusting and conveyor road by trickle duster.
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