EP0244074A3 - Safety systems for coal pulverizing mills - Google Patents

Safety systems for coal pulverizing mills Download PDF

Info

Publication number
EP0244074A3
EP0244074A3 EP87302255A EP87302255A EP0244074A3 EP 0244074 A3 EP0244074 A3 EP 0244074A3 EP 87302255 A EP87302255 A EP 87302255A EP 87302255 A EP87302255 A EP 87302255A EP 0244074 A3 EP0244074 A3 EP 0244074A3
Authority
EP
European Patent Office
Prior art keywords
safety systems
coal pulverizing
pulverizing mills
mills
coal
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP87302255A
Other versions
EP0244074A2 (en
EP0244074B1 (en
Inventor
Scotty Young Jewett
John W. Robertson, Jr.
Gordon Davies Woolbert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
INTERNATIONAL CONTROL AUTOMATION FINANCE SA
Original Assignee
Babcock and Wilcox Co
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 Babcock and Wilcox Co filed Critical Babcock and Wilcox Co
Publication of EP0244074A2 publication Critical patent/EP0244074A2/en
Publication of EP0244074A3 publication Critical patent/EP0244074A3/en
Application granted granted Critical
Publication of EP0244074B1 publication Critical patent/EP0244074B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
    • B02C23/24—Passing gas through crushing or disintegrating zone
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
    • B02C23/04—Safety devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Disintegrating Or Milling (AREA)
  • Crushing And Grinding (AREA)
EP87302255A 1986-04-29 1987-03-17 Safety systems for coal pulverizing mills Expired - Lifetime EP0244074B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US85770086A 1986-04-29 1986-04-29
US857700 1986-04-29

Publications (3)

Publication Number Publication Date
EP0244074A2 EP0244074A2 (en) 1987-11-04
EP0244074A3 true EP0244074A3 (en) 1988-08-10
EP0244074B1 EP0244074B1 (en) 1990-10-24

Family

ID=25326555

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87302255A Expired - Lifetime EP0244074B1 (en) 1986-04-29 1987-03-17 Safety systems for coal pulverizing mills

Country Status (12)

Country Link
EP (1) EP0244074B1 (en)
JP (1) JPS62258759A (en)
KR (1) KR950001974B1 (en)
AU (1) AU591260B2 (en)
BR (1) BR8702407A (en)
CA (1) CA1269150A (en)
DE (1) DE3765686D1 (en)
ES (1) ES2018824B3 (en)
HK (1) HK42692A (en)
IN (1) IN166429B (en)
MX (1) MX168789B (en)
SG (1) SG36192G (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2782023B1 (en) * 1998-08-05 2000-09-08 Air Liquide DEVICE AND METHOD FOR GRINDING CLOSED CONTAINERS CONTAINING POWDER
KR100460658B1 (en) * 2000-06-29 2004-12-09 주식회사 포스코 An apparatus for analysising and controlling oxygen concentration of a fine coke device
KR100868440B1 (en) * 2002-07-03 2008-11-11 주식회사 포스코 Apparatus for controlling exhaust gas of pulverizer coal production equipment of blast furence
JP4551101B2 (en) * 2004-02-27 2010-09-22 三菱重工業株式会社 MILUINATO OXYGEN CONCENTRATION MEASURING DEVICE, MILLINATE OXYGEN SUPPLY DEVICE, AND MILLINATE OXYGEN CONCENTRATION METHOD
JP5385851B2 (en) * 2010-05-17 2014-01-08 株式会社神戸製鋼所 Crusher ignition prevention method and ignition prevention device
DE102011112741B4 (en) * 2011-09-07 2015-09-03 Werner Hofmann Inert gas covered closed grinding and screening plant
JP6057146B2 (en) * 2012-04-25 2017-01-11 宇部興産機械株式会社 Grinding system
KR101980178B1 (en) * 2012-09-21 2019-05-20 한국전력공사 Pulverizer machine having fire detection device and fire suppression unit
US9494319B2 (en) 2013-03-15 2016-11-15 General Electric Technology Gmbh Pulverizer monitoring
CN104152196B (en) * 2014-05-30 2016-06-29 中国石油化工股份有限公司青岛安全工程研究院 The complete explosion-proof method of coal petrography oil device
CN108237010B (en) * 2017-05-16 2019-08-09 安徽工业大学 A kind of coal pulverizer safe operation detection system and its detection method
CN107797965A (en) * 2017-10-23 2018-03-13 内蒙古岱海发电有限责任公司 A kind of update method and system of pulverizer outlet temperature secure setting
CN112536145B (en) * 2020-11-20 2022-06-21 西安热工研究院有限公司 Medium-speed coal mill operation safety on-line monitoring and early warning system and method
CN115301391B (en) * 2022-08-04 2023-12-15 中国能源建设集团西北电力试验研究院有限公司 Intelligent control shutdown method for direct-blowing pulverizing system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2799848A (en) * 1953-12-17 1957-07-16 Glantz Lester Murray Two-level control system
US3237634A (en) * 1966-03-01 Process control system
US4031747A (en) * 1976-08-16 1977-06-28 Beckman Instruments, Inc. Misfire monitor for engine analysis having automatic rescaling
EP0132974A2 (en) * 1983-08-01 1985-02-13 The Babcock & Wilcox Company Safety systems for coal pulverizers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3912015A (en) * 1974-06-17 1975-10-14 Armco Steel Corp System for the safe handling of pulverized coal
GB1485448A (en) * 1974-11-11 1977-09-14 Boc International Ltd Comminuting combustible material
JPS5820247A (en) * 1981-07-30 1983-02-05 バブコツク日立株式会社 Detection of ignition in mill
JPS6094154A (en) * 1983-10-28 1985-05-27 三菱重工業株式会社 Explosion-proof coarse garbage crusher

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3237634A (en) * 1966-03-01 Process control system
US2799848A (en) * 1953-12-17 1957-07-16 Glantz Lester Murray Two-level control system
US4031747A (en) * 1976-08-16 1977-06-28 Beckman Instruments, Inc. Misfire monitor for engine analysis having automatic rescaling
EP0132974A2 (en) * 1983-08-01 1985-02-13 The Babcock & Wilcox Company Safety systems for coal pulverizers

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
POWER, vol. 127, no. 7, July 1983, pages 95-97, Concord, New Hampshire, US; P. BAUR: "Coal users: mill-fire-monitoring technology is out of the woods" *
ZKG INTERNATIONAL (ZEMENT-KALK-GIPS), vol. 37, no. 4, April 1984, pages 163-180, Bauverlag GmbH, Wiesbaden, DE; B. THIER: "Sicherer Betrieb von Kohlenmahlanlagen"; F. SCHNEIDER: "Sicherheitstechnische betriebserfahrungen in Kohlenmahlanlagen und ihre Konsequenzen"; E. SCHERRER: "Neuere Erkenntnisse über die Sicherheitstechnik beim Umgang mit Braunkohlenstaub" *

Also Published As

Publication number Publication date
JPS62258759A (en) 1987-11-11
MX168789B (en) 1993-06-08
CA1269150A (en) 1990-05-15
AU591260B2 (en) 1989-11-30
AU7106387A (en) 1987-11-05
KR870010430A (en) 1987-11-30
HK42692A (en) 1992-06-19
EP0244074A2 (en) 1987-11-04
SG36192G (en) 1992-05-22
ES2018824B3 (en) 1991-05-16
IN166429B (en) 1990-05-05
KR950001974B1 (en) 1995-03-08
DE3765686D1 (en) 1990-11-29
EP0244074B1 (en) 1990-10-24
BR8702407A (en) 1988-02-17

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