Coal Mine Anemometer

  • Mining instruments & meters, Mining instruments & meters ...

    CFJD25 coal mine wind speed meter digital anemometer. $50.00 - $80.00 / Unit. 1 Unit (Min. Order) 100m explosion-proof Portable Laser distance meter. $300.00 - $500.00 / Piece. 1 Piece (Min. Order) optical interference methane CH4 gas detector for mine …

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  • "Biram's Patent" Anemometer | National Museum of American ...

    The anemometer measures wind velocity in order to determine the volume of air entering or exiting mine shafts. It was invented in 1844 by Benjamin Biram (1804-1857), house steward to the Earl Fitzwilliam, who owned several coal mines …

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  • Glossary of Coal Mining Terms - DOL

    Anemometer - instrument for measuring air velocity. Angle of repose - the maximum angle from horizontal at which a given material will rest on a given surface without sliding or rolling. Anthracite - coal with a volatile ratio equal to 0.12 or less. ... coal mining). other. ...

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  • OTA KEIKI SEISAKUSHO

    Welcome to Our Company. We manufactured mechanical type Anemometer Brand OTAWA for all Coal, and other mining industries which are most compatible and user-friendly for hazardous use in underground mines. Recently launched Electronic type intrinsic safe …

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  • How to use a taylor anemometer - YouTube

    Nov 29, 2016· Video list all parts on tool, and how to use them.

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  • Compact Anemometer | Coal Age

    Compact Anemometer. Feb 8, 2013 ... Surface Miner Offers Practical Alternative for Australian Coal Mine. September 21, 2015. Search for: Subscribe. Print Edition (Free) Weekly eNewsletter. ... CA Sidebar 02 (aka BoomBox_02) Top 10 Coal …

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  • Ventilation - Safety Training PDF Files - Mine Safety and ...

    Bureau of Mine Bulletin 589: The importance of the ventilating system in coal mining is recognized universally, and standards for ventilating requirements have been established by State mine-inspection and the Federal Coal Mine Safety Act. 1.4 Mb: Basic Mine Ventilation 55-slide presentation covering the subject of Basic Mine Ventilation…

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  • UNDERGROUND MINE VENTILATION SURVEY

    Underground coal mine ventilation systems are particularly complex because of multiple seam working methods which splits the underground air network into different districts or/and panels ... tubes etc. and quantity by anemometer …

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  • Miscellaneous Mining Items/Queen & Co. Anemometer

    QUEEN & COMPANY ANEMOMETER - An original Queen & Co. mining anemometer with leather case, brass shell of the instrument is marked EVERHART BRASS WORKS, SCRANTON, PA and measures 4 1/4 in. diameter and 1 3/4 in. width, one large dial and three small dials, marked on dial QUEEN & CO. PHILA and No. 1314, ca.1897-1912 (This is the only mining anemometer …

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  • MEASUREMENT OF AIRFLOW IN A SIMULATED …

    measure airflow in a simulated mine entry. Results of tests conducted in the entry showed that the anemometer is a valuable tool for measuring mine airflow conditions near the face. BACKGROUND The highest methane concentrations in coalmines are usually found near faces of entries where coal …

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  • Glossary-of-mining-terms.docx - Abutment In coal mining(1 ...

    Anemometer - Instrument for measuring air velocity. Angle of dip - The angle at which strata or mineral deposits are inclined to the horizontal plane. Angle of draw - In coal mine subsidence, …

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  • Keuffel & Esser Co. Anemometer | National Museum of ...

    The Keuffel & Esser Company of New York manufactured and sold this anemometer during the late 19th century. Keuffel & Esser was a large manufacturer of scientific measuring instruments starting in the middle of the 19th century and is well-represented in the collections across the museum. Anemometers measured the velocity of the air currents in mines …

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  • Coal Mine Mechanical Anemometer - fotografiza.pl

    Coal Mine Mechanical Anemometer. ... Earthmoving spare part tata in hyderabad justdial. uses of roll crusher uses for stone crusher run equipment used in mining industry and uses uses of coal crusher …

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  • CDC - Mining - Funding Opportunities - NIOSH

    Portable, intrinsically safe logging anemometer for use in evaluating engineering controls in underground coal mining. ... Mine ventilation topics such as respirable coal mine dust, silica, and diesel particulate matter, which might impact the choice of mining …

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  • MEASUREMENT OF AIRFLOW IN A SIMULATED …

    measure airflow in a simulated mine entry. Results of tests conducted in the entry showed that the anemometer is a valuable tool for measuring mine airflow conditions near the face. BACKGROUND The highest methane concentrations in coalmines are usually found near faces of entries where coal is …

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  • University of Wollongong Research Online

    monitoring installation on main fan systems at a Bowen basin coal mine are discussed. According to McPherson (2006), prior to the invention of vane anemometers (Figure 1) in the nineteenth century, the only practicable means of measuring rates of airflow in mines …

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  • coal mine mechanical anemometer, coal mine mechanical ...

    1,170 coal mine mechanical anemometer products are offered for sale by suppliers on Alibaba.com, of which other test instruments accounts for 1%, speed measuring instruments …

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  • Rare Antique Davis Instrument Coal Mine Anemometer ...

    Nov 30, 2020· A mechanical anemometer is an instrument used to measure the volume of air flow entering or exiting a mine shaft. It was invented by Benjamin Biram in 1844. He was …

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  • CDC - Mining - Sonic Anemometer Airflow Monitoring ...

    Two ultrasonic anemometers were assessed in the laboratory, for the influence of dust deposition. The effects of two different dusts, rock dust and coal dust were evaluated. The dust exposure testing showed that coal dust rarely affected the ultrasonic anemometers and was easy to clean off of the instruments.

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  • Tektronix A2 4 Intrinsically Safe Ball Bearing Anemometer ...

    Just wondering if you can get coal mine mechanical anemometers in m/s Sam. Asked on 9/30/2015 by Boaty from Griffith, Australia. 1 answer. STAFF EXPERT. A: Unfortunately, this unit will only read in …

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  • Basic Mine Ventilation

    Anemometer. A high speed anemometer is most often used for high velocity air measurements! Air always flows from a point of higher to lower pressure. * Blowing fans create a high pressure point immediately inby the fan. Air travels from this high point through the mine to the surface. * Exhausting fans create a low pressure point immediately inby

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  • coal mine mechanical anemometer, coal mine mechanical ...

    About product and suppliers: 1,170 coal mine mechanical anemometer products are offered for sale by suppliers on Alibaba.com, of which other test instruments accounts for 1%, speed measuring …

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  • MSHA - Program Policy Manual - Volume V; 71.209 through 75.386

    Nothing stated above abrogates, alters, or diminishes mine operators' responsibility under Section 303(z)(2) of the Mine Act and 30 C.F.R. Section 75.334(b)(1) to ensure that bleeder systems are effective and maintained so as to continuously dilute, render harmless, and carry away methane and other explosive gases within areas that have been ...

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  • Chapter 6. Ventilation Surveys - Mine Ventilation Services

    for the measurement of airspeed in mines divide into three groups depending upon (i) mechanical effects, (ii) dynamic (velocity) pressure of the airflow and (iii) thermal effects. 6.2.1. Rotating vane anemometers The vast majority of airspeed measurements made manually underground are gained from a rotating vane (windmill type) anemometer.

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  • Miners Anemometer | Hand Held Meter for Mining Industry

    Mine managers are responsible for surveying and managing mine ventilation system using handy tools like mining anemometers. A mining anemometer, just one of the tools that mine managers depend on to protect their teams, is used in underground mining operations to measure the volume of air that is entering and exiting a mine.

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  • Method Factors for Anemometer Measurement at Pipe …

    Bureau of Mines Report of Investigations/l987 Method Factors for Anemometer Measurement at Pipe Outlets By F. Garcia and J. Cervik UNITED STATES DEPARTMENT OF THE INTERIOR

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  • Determination of velocity correction factors for real-time ...

    Nov 16, 2017· When there are installations of air velocity sensors in the mining industry for real-time airflow monitoring, a problem exists with how the monitored air velocity at a fixed location corresponds to the average air velocity, which is used to determine the volume flow rate of air in an entry with the cross-sectional area. Correction …

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  • CDC - Mining - Sonic Anemometer Airflow Monitoring ...

    Two ultrasonic anemometers were assessed in the laboratory, for the influence of dust deposition. The effects of two different dusts, rock dust and coal dust were evaluated. The dust exposure testing showed that coal dust rarely affected the ultrasonic anemometers …

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  • Chapter 1: Mine Ventilation – An Overview

    Perhaps the greatest classical paper on mine ventilation was one entitled 'On the theory of the ventilation of mines', presented by John Job Atkinson to the North of England Institute of Mining Engineers in December, 1854. Atkinson was a mining agent—an intermediary between manage-ment and the mine …

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  • Pocket Mining Anemometer | Environment | Geneq

    PMA-2008 POCKET MINING ANEMOMETER The PMA-2008 Pocket Mining Anemometer is a battery-operated, electronic anemometer small enough to fit into a shirt pocket. Dustproof and waterproof, it can provide quick readings of airflow up to 9999 FPM or 9999 M/S in its metric mode. No adjustments or calibrations required.

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