ZA955222B - Device for measuring the quantity of coal in a ball grinder - Google Patents

Device for measuring the quantity of coal in a ball grinder

Info

Publication number
ZA955222B
ZA955222B ZA955222A ZA955222A ZA955222B ZA 955222 B ZA955222 B ZA 955222B ZA 955222 A ZA955222 A ZA 955222A ZA 955222 A ZA955222 A ZA 955222A ZA 955222 B ZA955222 B ZA 955222B
Authority
ZA
South Africa
Prior art keywords
coal
measuring
ball grinder
grinder
ball
Prior art date
Application number
ZA955222A
Other languages
English (en)
Inventor
Daniel Fontanille
Jacques Barbot
Original Assignee
Gec Alsthom Stein Ind
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gec Alsthom Stein Ind filed Critical Gec Alsthom Stein Ind
Publication of ZA955222B publication Critical patent/ZA955222B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/36—Detecting the response signal, e.g. electronic circuits specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/1805—Monitoring devices for tumbling mills
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
    • G01N29/04—Analysing solids
    • G01N29/11—Analysing solids by measuring attenuation of acoustic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/01—Indexing codes associated with the measuring variable
    • G01N2291/011—Velocity or travel time
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/02—Indexing codes associated with the analysed material
    • G01N2291/028—Material parameters
    • G01N2291/02854—Length, thickness
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2291/00—Indexing codes associated with group G01N29/00
    • G01N2291/10—Number of transducers
    • G01N2291/102—Number of transducers one emitter, one receiver

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Acoustics & Sound (AREA)
  • Crushing And Grinding (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measuring Volume Flow (AREA)
ZA955222A 1994-06-24 1995-06-23 Device for measuring the quantity of coal in a ball grinder ZA955222B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9407807A FR2721711B1 (fr) 1994-06-24 1994-06-24 Dispositif de mesure de la quantité de charbon dans un broyeur à boulets.

Publications (1)

Publication Number Publication Date
ZA955222B true ZA955222B (en) 1996-02-14

Family

ID=9464638

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA955222A ZA955222B (en) 1994-06-24 1995-06-23 Device for measuring the quantity of coal in a ball grinder

Country Status (6)

Country Link
US (1) US5987966A (xx)
CN (1) CN1124845A (xx)
CA (1) CA2152533C (xx)
FR (1) FR2721711B1 (xx)
RU (1) RU2145261C1 (xx)
ZA (1) ZA955222B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2745731B1 (fr) * 1996-03-08 1998-04-17 Gec Alsthom Stein Ind Broyeur a boulets
DE502005008989D1 (de) * 2004-07-23 2010-03-25 Betr Forsch Inst Angew Forsch Ultraschallempfänger mit frühzeitiger Signaldigitalisierung und dessen Verwendung
AU2011380685B2 (en) * 2011-11-10 2016-10-13 Ett Transferencia De Tecnologías Spa Direct visual monitoring method and system for sensing the interior of a rotary mineral mill
CN102788610B (zh) * 2012-03-09 2014-11-19 山东理工大学 球磨机内部球石群及矿料动态分布检测系统及方法
US10126266B2 (en) 2014-12-29 2018-11-13 Concentric Meter Corporation Fluid parameter sensor and meter
US9752911B2 (en) 2014-12-29 2017-09-05 Concentric Meter Corporation Fluid parameter sensor and meter
US10107784B2 (en) 2014-12-29 2018-10-23 Concentric Meter Corporation Electromagnetic transducer
CN106269097A (zh) * 2016-08-24 2017-01-04 桂林浩新科技服务有限公司 一种超声波感应的球磨机
CN114522776B (zh) * 2022-04-23 2022-06-24 南通腾宇环保设备有限公司 锌浮渣筛分-研磨方法

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1411223A (en) * 1971-11-05 1975-10-22 Wilson Walton Int Ltd Apparatus and method for measuring the level of the contents of a container
US3984895A (en) * 1973-11-01 1976-10-12 Fiber Controls Corporation Density sensing and controlling equipment
US3925850A (en) * 1973-11-01 1975-12-16 Fibers Controls Corp Density sensing and controlling equipment
US4212201A (en) * 1978-08-23 1980-07-15 Shell Oil Company Ultrasonic sensor
GB2054146B (en) * 1979-07-06 1984-08-22 Bond L J Ultrasonic testing
FR2476934A1 (fr) * 1980-02-22 1981-08-28 Cepe Oscillateur a cristal compense en temperature.
US4399701A (en) * 1980-06-03 1983-08-23 Unisearch Limited Method and means for detecting decay in wood
DE3412615C2 (de) * 1984-04-04 1986-07-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 8000 München Verfahren zur Korngrößenbestimmung in einem polykristallinen Werkstoff
US4590803A (en) * 1984-06-28 1986-05-27 Westinghouse Electric Corp. Acoustic waveguide monitoring
US4624129A (en) * 1985-04-15 1986-11-25 Haynes Joel E Acoustical dry product density sensor
US4930511A (en) * 1988-05-11 1990-06-05 Lunar Radiation, Inc. Ultrasonic densitometer device and method
WO1990010849A1 (en) * 1989-03-09 1990-09-20 Robert Bosch Gmbh Acoustic fluid level detector
US4909449A (en) * 1989-03-10 1990-03-20 Etheridge Johnny E Primary crushing stage control system
US5280724A (en) * 1989-06-22 1994-01-25 Nissan Motor Co., Ltd. Ultrasonic inspection method for detecting defects in solid objects
JPH0353137A (ja) * 1989-07-20 1991-03-07 Yakichi Higo 応力測定法
JPH04118525A (ja) * 1989-12-28 1992-04-20 Kureha Chem Ind Co Ltd 移動している筒状体内の液面レベル検出方法

Also Published As

Publication number Publication date
CN1124845A (zh) 1996-06-19
CA2152533A1 (fr) 1995-12-25
FR2721711B1 (fr) 1996-07-26
US5987966A (en) 1999-11-23
FR2721711A1 (fr) 1995-12-29
RU2145261C1 (ru) 2000-02-10
CA2152533C (fr) 2000-01-04

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