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IN2012DN00628A - - Google Patents

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Publication number
IN2012DN00628A
IN2012DN00628A IN628DEN2012A IN2012DN00628A IN 2012DN00628 A IN2012DN00628 A IN 2012DN00628A IN 628DEN2012 A IN628DEN2012 A IN 628DEN2012A IN 2012DN00628 A IN2012DN00628 A IN 2012DN00628A
Authority
IN
India
Prior art keywords
alternatively
assembly
grinding
controller
electronic signal
Prior art date
Application number
Inventor
Richard Brian Stone
Lawrence Scott Farris
Matthew Alan Munyon
Original Assignee
Alstom Technology Ltd
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 Alstom Technology Ltd filed Critical Alstom Technology Ltd
Publication of IN2012DN00628A publication Critical patent/IN2012DN00628A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C25/00—Control arrangements specially adapted for crushing or disintegrating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/04—Mills with pressed pendularly-mounted rollers, e.g. spring pressed

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

A pulverizer 60 includes a spring assembly 10 that urges a grinding roller 72 of a journal assembly 68 onto a grinding surface 66 of a grinding table 64. The force applied is monitored by a load cell 32 located within spring assembly 10 that creates an electronic signal. A controller 83 receives the electronic signal and stores and/or displays it and alternatively acts to adjust the applied force to a desired value. Alternatively, adjustable forces or mechanical dampening may be applied to journal assembly 68 by controller 83. Alternatively, additional sensors may measure displacement of the journal assembly and rotation of the grinding table for other calculations.
IN628DEN2012 2009-06-24 2010-05-12 IN2012DN00628A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/490,668 US8132750B2 (en) 2009-06-24 2009-06-24 Force monitor for pulverizer integral spring assembly
PCT/US2010/034492 WO2011005358A1 (en) 2009-06-24 2010-05-12 Force monitor for pulverizer integral spring assembly

Publications (1)

Publication Number Publication Date
IN2012DN00628A true IN2012DN00628A (en) 2015-06-12

Family

ID=42768143

Family Applications (1)

Application Number Title Priority Date Filing Date
IN628DEN2012 IN2012DN00628A (en) 2009-06-24 2010-05-12

Country Status (10)

Country Link
US (1) US8132750B2 (en)
EP (1) EP2445640A1 (en)
JP (1) JP5858910B2 (en)
KR (1) KR101364474B1 (en)
CN (1) CN102481579B (en)
AU (1) AU2010271133B2 (en)
CA (1) CA2765908C (en)
IL (1) IL216999A0 (en)
IN (1) IN2012DN00628A (en)
WO (1) WO2011005358A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8602338B2 (en) 2010-11-22 2013-12-10 Alstom Technology Ltd Oscillation monitor for pulverizer journal assembly
US9650217B1 (en) * 2011-04-22 2017-05-16 Sudenga Industries, Inc. Bin sweep with weight-sensitive link
JP2013066860A (en) * 2011-09-22 2013-04-18 Mitsubishi Heavy Ind Ltd Vertical mill
US9429977B2 (en) 2012-10-05 2016-08-30 Alstom Technology Ltd Relief spring stop bolt assembly for shallow bowl mills
DE102013200578A1 (en) * 2013-01-16 2014-07-17 Siemens Aktiengesellschaft Method for drive control
US9457353B2 (en) 2013-01-31 2016-10-04 Orlando Utilities Commission Coal pulverizer monitoring system and associated methods
JP5972815B2 (en) * 2013-03-21 2016-08-17 三菱日立パワーシステムズ株式会社 Coal mill
US20160121335A1 (en) * 2014-10-31 2016-05-05 Loesche Gmbh Grinding roller
US10082443B2 (en) * 2016-02-26 2018-09-25 General Electric Technology Gmbh System and method for monitoring bearing health in a journal assembly
US10493462B2 (en) * 2016-06-21 2019-12-03 General Electric Technology Gmbh System, method and apparatus for upgrading a pulverizer
US10519833B2 (en) 2016-06-21 2019-12-31 General Electric Technology Gmbh System and method for improving the performance of a selective catalyst reduction system in a heat recovery steam generator
CN106523566B (en) * 2016-10-20 2018-08-03 许继电气股份有限公司 Primary and secondary spring assembly and its spring base

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB954872A (en) 1962-04-26 1964-04-08 Foundry Mechanisations Baillot Improvements in or relating to sand mills
US3881348A (en) * 1973-06-20 1975-05-06 Combustion Eng Hydraulic spring adjusting device for bowl mills
GB2067094B (en) * 1980-01-11 1984-05-16 Foster Wheeler Power Prod Edge-runner mill
US4372496A (en) * 1980-10-01 1983-02-08 Combustion Engineering, Inc. Electronic controller of hydraulic pressure for journal loading of bowl mill
JPS57147025A (en) * 1981-03-06 1982-09-10 Akebono Brake Ind Co Ltd Load cell
CN2155945Y (en) 1993-03-30 1994-02-16 华东电力试验研究所 Online measuring spring loading type medium speed coal grinder
JP3440343B2 (en) * 1994-05-13 2003-08-25 日本ギア工業株式会社 Torque calibration device for electric valve drive
US5538192A (en) * 1994-08-16 1996-07-23 Parham; Robert L. Plunger can and spring compressor
JPH08112538A (en) * 1994-10-17 1996-05-07 Ishikawajima Harima Heavy Ind Co Ltd Mill roller rolling force control method and apparatus
JPH11216379A (en) * 1998-02-02 1999-08-10 Babcock Hitachi Kk Crusher
CN2569918Y (en) * 2002-08-29 2003-09-03 宜兴市明兴粉体机械有限公司 Drag bar type pressure regulating flour milling machine
US7226010B2 (en) * 2004-02-27 2007-06-05 Abb Inc. Method and apparatus for solid fuel pulverizing operation and maintenance optimization
EP1916462A4 (en) * 2004-08-24 2014-09-10 Shikoku Res Inst Electrically-operated valve diagnosing method and device therefor
CN100408190C (en) * 2005-12-22 2008-08-06 上海重型机器厂有限公司 Bowl type medium speed coal mill
US7584917B2 (en) 2007-03-29 2009-09-08 Alstom Technology Ltd Seal for coiled spring assembly
CN101380606A (en) * 2007-09-06 2009-03-11 上海重型机器厂有限公司 Bowl type half-speed grinding mill

Also Published As

Publication number Publication date
WO2011005358A1 (en) 2011-01-13
US8132750B2 (en) 2012-03-13
JP2012531300A (en) 2012-12-10
CN102481579B (en) 2014-05-07
CA2765908A1 (en) 2011-01-13
US20100327094A1 (en) 2010-12-30
AU2010271133A1 (en) 2012-02-09
JP5858910B2 (en) 2016-02-10
CN102481579A (en) 2012-05-30
AU2010271133B2 (en) 2015-09-17
IL216999A0 (en) 2012-02-29
EP2445640A1 (en) 2012-05-02
KR20120040200A (en) 2012-04-26
KR101364474B1 (en) 2014-02-19
CA2765908C (en) 2013-09-03

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