CA1269150A - Apparatus and method for monitoring low-level combustibles - Google Patents
Apparatus and method for monitoring low-level combustiblesInfo
- Publication number
- CA1269150A CA1269150A CA000530556A CA530556A CA1269150A CA 1269150 A CA1269150 A CA 1269150A CA 000530556 A CA000530556 A CA 000530556A CA 530556 A CA530556 A CA 530556A CA 1269150 A CA1269150 A CA 1269150A
- Authority
- CA
- Canada
- Prior art keywords
- level
- pulverizing mill
- coal pulverizing
- signal
- mill
- 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.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title abstract description 12
- 238000012544 monitoring process Methods 0.000 title abstract description 9
- 238000010298 pulverizing process Methods 0.000 claims abstract description 77
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000003245 coal Substances 0.000 claims abstract description 62
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 60
- 229910002091 carbon monoxide Inorganic materials 0.000 claims abstract description 58
- 239000001301 oxygen Substances 0.000 claims abstract description 46
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 46
- 239000007789 gas Substances 0.000 claims abstract description 22
- 230000008859 change Effects 0.000 claims abstract description 10
- 231100001261 hazardous Toxicity 0.000 claims description 13
- 230000009471 action Effects 0.000 claims description 4
- 208000007542 Paresis Diseases 0.000 claims 1
- 208000012318 pareses Diseases 0.000 claims 1
- 229940105305 carbon monoxide Drugs 0.000 abstract description 50
- 238000005259 measurement Methods 0.000 abstract description 16
- 238000004880 explosion Methods 0.000 description 9
- 239000000523 sample Substances 0.000 description 7
- 239000000306 component Substances 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 6
- 238000007254 oxidation reaction Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000001514 detection method Methods 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 101100252165 Mus musculus Rnd2 gene Proteins 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000003935 attention Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- MEKDPHXPVMKCON-UHFFFAOYSA-N ethane;methane Chemical compound C.CC MEKDPHXPVMKCON-UHFFFAOYSA-N 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- BHMLFPOTZYRDKA-IRXDYDNUSA-N (2s)-2-[(s)-(2-iodophenoxy)-phenylmethyl]morpholine Chemical compound IC1=CC=CC=C1O[C@@H](C=1C=CC=CC=1)[C@H]1OCCNC1 BHMLFPOTZYRDKA-IRXDYDNUSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000003077 lignite Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US85770086A | 1986-04-29 | 1986-04-29 | |
| US857,700 | 1986-04-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1269150A true CA1269150A (en) | 1990-05-15 |
Family
ID=25326555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000530556A Expired - Fee Related CA1269150A (en) | 1986-04-29 | 1987-02-25 | Apparatus and method for monitoring low-level combustibles |
Country Status (12)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2782023B1 (fr) | 1998-08-05 | 2000-09-08 | Air Liquide | Dispositif et procede de broyage de recipients fermes contenant une poudre |
| KR100460658B1 (ko) * | 2000-06-29 | 2004-12-09 | 주식회사 포스코 | 미분탄제조장치의 산소농도분석 및 조절장치 |
| KR100868440B1 (ko) * | 2002-07-03 | 2008-11-11 | 주식회사 포스코 | 고로의 미분탄 제조설비의 배가스 제어 장치 |
| JP4551101B2 (ja) * | 2004-02-27 | 2010-09-22 | 三菱重工業株式会社 | ミルイナート酸素濃度測定装置、ミルイナート酸素供給装置およびミルイナート酸素濃度測定方法 |
| JP5385851B2 (ja) * | 2010-05-17 | 2014-01-08 | 株式会社神戸製鋼所 | 粉砕機の発火防止方法及び発火防止装置 |
| DE102011112741B4 (de) * | 2011-09-07 | 2015-09-03 | Werner Hofmann | Inertgasgedeckte geschlossene Mahl-und Siebanlage |
| JP6057146B2 (ja) * | 2012-04-25 | 2017-01-11 | 宇部興産機械株式会社 | 粉砕システム |
| KR101980178B1 (ko) * | 2012-09-21 | 2019-05-20 | 한국전력공사 | 화재 감지 및 진화 장치를 구비하는 미분기 |
| US9494319B2 (en) | 2013-03-15 | 2016-11-15 | General Electric Technology Gmbh | Pulverizer monitoring |
| CN104152196B (zh) * | 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 | 煤岩油装置成套防爆方法 |
| CN108237010B (zh) * | 2017-05-16 | 2019-08-09 | 安徽工业大学 | 一种磨煤机安全运行检测系统及其检测方法 |
| CN107797965A (zh) * | 2017-10-23 | 2018-03-13 | 内蒙古岱海发电有限责任公司 | 一种磨煤机出口温度安全设定值的更新方法及系统 |
| CN112536145B (zh) * | 2020-11-20 | 2022-06-21 | 西安热工研究院有限公司 | 一种中速磨煤机运行安全在线监测与预警系统及方法 |
| CN115301391B (zh) * | 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 | 一种直吹式制粉系统智能控制停运方法 |
Family Cites Families (8)
| 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 |
| 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 |
| US4031747A (en) * | 1976-08-16 | 1977-06-28 | Beckman Instruments, Inc. | Misfire monitor for engine analysis having automatic rescaling |
| JPS5820247A (ja) * | 1981-07-30 | 1983-02-05 | バブコツク日立株式会社 | ミル内の発火検知方法 |
| KR900002655B1 (ko) * | 1983-08-01 | 1990-04-21 | 더 뱁콕 앤드 윌콕스 컴퍼니 | 석탄미분쇄기의 안전제어시스템 |
| JPS6094154A (ja) * | 1983-10-28 | 1985-05-27 | 三菱重工業株式会社 | 防爆型粗大ごみ破砕機 |
-
1986
- 1986-11-14 IN IN823/CAL/86A patent/IN166429B/en unknown
- 1986-12-24 KR KR1019860011219A patent/KR950001974B1/ko not_active Expired - Fee Related
-
1987
- 1987-02-25 CA CA000530556A patent/CA1269150A/en not_active Expired - Fee Related
- 1987-03-17 EP EP87302255A patent/EP0244074B1/en not_active Expired - Lifetime
- 1987-03-17 DE DE8787302255T patent/DE3765686D1/de not_active Expired - Fee Related
- 1987-03-17 ES ES87302255T patent/ES2018824B3/es not_active Expired - Lifetime
- 1987-04-03 AU AU71063/87A patent/AU591260B2/en not_active Ceased
- 1987-04-28 JP JP62103439A patent/JPS62258759A/ja active Pending
- 1987-04-29 BR BR8702407A patent/BR8702407A/pt unknown
- 1987-04-29 MX MX006272A patent/MX168789B/es unknown
-
1992
- 1992-03-31 SG SG361/92A patent/SG36192G/en unknown
- 1992-06-11 HK HK426/92A patent/HK42692A/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| BR8702407A (pt) | 1988-02-17 |
| IN166429B (enrdf_load_stackoverflow) | 1990-05-05 |
| SG36192G (en) | 1992-05-22 |
| EP0244074A3 (en) | 1988-08-10 |
| DE3765686D1 (de) | 1990-11-29 |
| EP0244074B1 (en) | 1990-10-24 |
| KR950001974B1 (ko) | 1995-03-08 |
| AU7106387A (en) | 1987-11-05 |
| MX168789B (es) | 1993-06-08 |
| KR870010430A (ko) | 1987-11-30 |
| HK42692A (en) | 1992-06-19 |
| JPS62258759A (ja) | 1987-11-11 |
| EP0244074A2 (en) | 1987-11-04 |
| ES2018824B3 (es) | 1991-05-16 |
| AU591260B2 (en) | 1989-11-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1269150A (en) | Apparatus and method for monitoring low-level combustibles | |
| EP0305446B1 (en) | Coal pulverizer inerting and fire extinguishing system | |
| US4846410A (en) | Apparatus for monitoring low-level combustibles | |
| CA2817208C (en) | System and method for monitoring operational characteristics of pulverizers | |
| US4778113A (en) | Apparatus for monitoring low level combustibles | |
| EP0132974B1 (en) | Safety systems for coal pulverizers | |
| US4653698A (en) | Safety system for coal pulverizers | |
| CN106439885A (zh) | 一种原煤直吹式制粉装置 | |
| CN111495565A (zh) | 一种发电机组燃煤锅炉的磨煤机防爆检测系统及方法 | |
| CN213255047U (zh) | 一种磨煤机防爆控制系统 | |
| US4099165A (en) | Fire detection apparatus in a preheater | |
| Stephan | Coal dust explosion hazards | |
| Zalosh | Review of coal pulverizer fire and explosion incidents | |
| JP3025524B2 (ja) | 微粉炭燃焼装置の制御装置 | |
| CN206145710U (zh) | 一种原煤直吹式制粉装置 | |
| Cashdollar et al. | Coal pulverizer explosions | |
| JPS6168147A (ja) | ボ−ルミルの異常振動監視装置 | |
| JPH1089666A (ja) | 微粉炭ミル | |
| JPH026575B2 (enrdf_load_stackoverflow) | ||
| KR100883824B1 (ko) | 미분탄 공급장치로 유입되는 괴탄을 검출하기 위한괴탄검출장치 | |
| JPS5929052A (ja) | パイライトボツクスの発火を防止する粉砕装置 | |
| Paul | System design and safety considerations for grinding high volatile coal | |
| White | Detecting pulverizer fes before they start | |
| JPS645215B2 (enrdf_load_stackoverflow) | ||
| CS210949B1 (cs) | Způsob zjišťování přerušeni dodávky paliva do fluidního ohniště a zařízení k provádění tohoto způsobu |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |