JP2015091741A - セメント製造設備の運転方法 - Google Patents
セメント製造設備の運転方法 Download PDFInfo
- Publication number
- JP2015091741A JP2015091741A JP2014133477A JP2014133477A JP2015091741A JP 2015091741 A JP2015091741 A JP 2015091741A JP 2014133477 A JP2014133477 A JP 2014133477A JP 2014133477 A JP2014133477 A JP 2014133477A JP 2015091741 A JP2015091741 A JP 2015091741A
- Authority
- JP
- Japan
- Prior art keywords
- cement
- air
- fuel
- cooler
- preheater
- 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
Links
- 239000004568 cement Substances 0.000 title claims abstract description 98
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000007789 gas Substances 0.000 claims abstract description 58
- 238000001354 calcination Methods 0.000 claims abstract description 45
- 239000000446 fuel Substances 0.000 claims abstract description 31
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000001301 oxygen Substances 0.000 claims abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 20
- 239000002994 raw material Substances 0.000 claims description 39
- 238000002485 combustion reaction Methods 0.000 claims description 30
- 238000010304 firing Methods 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 8
- 238000011017 operating method Methods 0.000 claims description 2
- 239000003245 coal Substances 0.000 description 20
- 238000006243 chemical reaction Methods 0.000 description 16
- 238000004088 simulation Methods 0.000 description 8
- 238000004364 calculation method Methods 0.000 description 7
- 238000006114 decarboxylation reaction Methods 0.000 description 7
- 239000002245 particle Substances 0.000 description 7
- 239000000567 combustion gas Substances 0.000 description 6
- 238000012546 transfer Methods 0.000 description 6
- 230000003247 decreasing effect Effects 0.000 description 4
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 241000183024 Populus tremula Species 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002309 gasification Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000010977 unit operation Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 108010014172 Factor V Proteins 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005261 decarburization Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/434—Preheating with addition of fuel, e.g. calcining
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/006—Cement-clinker used in the unground state in mortar - or concrete compositions
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B7/00—Hydraulic cements
- C04B7/36—Manufacture of hydraulic cements in general
- C04B7/43—Heat treatment, e.g. precalcining, burning, melting; Cooling
- C04B7/44—Burning; Melting
- C04B7/4407—Treatment or selection of the fuel therefor, e.g. use of hazardous waste as secondary fuel ; Use of particular energy sources, e.g. waste hot gases from other processes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/003—Systems for controlling combustion using detectors sensitive to combustion gas properties
- F23N5/006—Systems for controlling combustion using detectors sensitive to combustion gas properties the detector being sensitive to oxygen
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/10—Rotary-drum furnaces, i.e. horizontal or slightly inclined internally heated, e.g. by means of passages in the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D99/00—Subject matter not provided for in other groups of this subclass
- F27D99/0001—Heating elements or systems
- F27D99/0033—Heating elements or systems using burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2223/00—Signal processing; Details thereof
- F23N2223/40—Simulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D2017/009—Cyclone for separating fines from gas
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Furnace Details (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
Description
他方、通常仮焼炉の排ガス出口には、当該仮焼炉内における燃焼状態を確認するために酸素(O2)濃度計が設置されている。
k:反応速度[1/s]
A:2.2×108 [1/s]
E:2.0×105[J/mol]
R:気体定数 8.314
T:温度[K]
X:脱炭酸率(質量基準)
PCO2:計算におけるCO2分圧
PCO2_eq:所定温度でのCO2の平衡分圧
2 仮焼炉
2a、6a O2濃度計
3 セメントキルン
4 クーラー
8 微粉炭(第1の燃料)
10 3次空気
11 流量調整弁
13 微粉炭(第2の燃料)
15 2次空気
16 排気
Claims (2)
- セメント原料を予熱するプレヒーターと、このプレヒーターから抜き出された上記セメント原料の少なくとも一部を仮焼成する仮焼炉と、上記プレヒーターおよび仮焼炉を経た上記セメント原料を焼成してセメントクリンカとするセメントキルンと、このセメントキルンから排出された上記セメントクリンカを冷却するクーラーとを備え、上記仮焼炉に、導入される上記セメント原料を仮焼するに必要な量の第1の燃料を供給し、上記セメントキルンに、内部を焼成温度に保持するに必要な量の第2の燃料を燃焼用の1次空気と共に供給し、かつ上記クーラーに、上記セメントクリンカを冷却するための一定量の空気を導入し、当該空気のうちの一部を上記第2の燃料の燃焼を補助する2次空気として上記セメントキルンに供給し、他の一部を上記第1の燃料を燃焼させる3次空気として上記仮焼炉に供給するとともに、残部を当該クーラーから排気するセメント製造設備の運転方法において、
予め上記仮焼炉の排ガス出口における第1の酸素濃度と上記第1および第2の燃料によって決定される熱量原単位との関係、並びに上記プレヒーターの排ガス出口における第2の酸素濃度と上記熱量原単位との関係を求めておき、
上記第1および第2の酸素濃度が、いずれも上記熱量原単位が最小となる上記酸素濃度の値を含む範囲内になるように、上記3次空気および上記クーラーからの排気の風量を調整することを特徴とするセメント製造設備の運転方法。 - 上記仮焼炉に、上記第1の燃料を一定の供給量で供給するとともに、上記セメントキルンに、上記第2の燃料を上記焼成温度に保持するために必要な供給量に調整しつつ供給することを特徴とする請求項1に記載のセメント製造設備の運転方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014133477A JP6327016B2 (ja) | 2013-09-30 | 2014-06-30 | セメント製造設備の運転方法 |
Applications Claiming Priority (3)
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---|---|---|---|
JP2013204005 | 2013-09-30 | ||
JP2013204005 | 2013-09-30 | ||
JP2014133477A JP6327016B2 (ja) | 2013-09-30 | 2014-06-30 | セメント製造設備の運転方法 |
Publications (2)
Publication Number | Publication Date |
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JP2015091741A true JP2015091741A (ja) | 2015-05-14 |
JP6327016B2 JP6327016B2 (ja) | 2018-05-23 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2014133477A Active JP6327016B2 (ja) | 2013-09-30 | 2014-06-30 | セメント製造設備の運転方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10131576B2 (ja) |
JP (1) | JP6327016B2 (ja) |
CN (1) | CN105579415B (ja) |
AU (1) | AU2014326102B2 (ja) |
MY (1) | MY176197A (ja) |
WO (1) | WO2015045227A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI127753B (en) * | 2017-06-09 | 2019-01-31 | Bioshare Ab | Recovery of chemicals from fuel streams |
DE102018215348A1 (de) * | 2018-09-10 | 2020-03-12 | Thyssenkrupp Ag | Kühler zum Kühlen von Klinker und Verfahren zum Betreiben eines Kühlers zum Kühlen von Klinker |
EP4247767B1 (de) * | 2021-02-12 | 2024-01-17 | thyssenkrupp Polysius GmbH | Verfahren zur thermischen behandlung von flugfähigem rohmaterial |
BE1029102B1 (de) * | 2021-02-12 | 2022-09-12 | Thyssenkrupp Ag | Anlage und Verfahren zur thermischen Behandlung von flugfähigem Rohmaterial |
CN115164610B (zh) * | 2022-05-23 | 2024-06-11 | 华中科技大学 | 一种基于co/o2的水泥分解炉燃烧优化方法及系统 |
CN115183593B (zh) * | 2022-07-06 | 2024-06-07 | 天津水泥工业设计研究院有限公司 | 一种可实现节能降耗的水泥窑全氧燃烧多介质分区供风篦冷机系统 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006016216A (ja) * | 2004-06-30 | 2006-01-19 | Mitsubishi Materials Corp | シミュレーション方法、シミュレーションプログラムおよび記憶媒体 |
JP2007176716A (ja) * | 2005-12-27 | 2007-07-12 | Mitsubishi Materials Corp | セメントキルンの運転制御方法およびセメントの製造方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3366374A (en) * | 1965-11-23 | 1968-01-30 | Leeds & Northrup Co | Method and apparatus for control of rotary kiln exit gas conditions |
JPS5238569B2 (ja) * | 1973-07-03 | 1977-09-29 | ||
JPS5347497Y2 (ja) * | 1974-02-19 | 1978-11-14 | ||
JPS5848494B2 (ja) | 1975-06-24 | 1983-10-28 | 太平洋セメント株式会社 | 複合通風系を有するセメント焼成装置の制御方法 |
JPS5849648A (ja) | 1981-09-18 | 1983-03-23 | 日本セメント株式会社 | セメント原料仮焼方法及び装置 |
JPS6374944A (ja) | 1986-09-17 | 1988-04-05 | 株式会社神戸製鋼所 | 粉末原料焼成装置 |
US6488765B1 (en) * | 1997-07-30 | 2002-12-03 | Cemex, Inc. | Oxygen enrichment of cement kiln system combustion |
US5882190A (en) | 1997-12-02 | 1999-03-16 | Doumet; Joseph Elias | Control of cement clinker production by analysis of sulfur in the end product |
US6309210B1 (en) | 1999-03-16 | 2001-10-30 | L'air Liquide, Societe Anonyme Pour L'etude Et, L'exploitation Des Procedes Georges Claude | Kiln universal oxygen enrichment |
FR2795808B1 (fr) * | 1999-07-02 | 2001-09-14 | Air Liquide | Procede de combustion, applicable a la fabrication de ciment |
JP5040737B2 (ja) | 2008-03-07 | 2012-10-03 | 宇部興産株式会社 | セメント製造装置の運転方法 |
KR101586107B1 (ko) * | 2008-05-07 | 2016-01-15 | 미츠비시 마테리알 가부시키가이샤 | 시멘트 제조 설비에 있어서의 co₂ 가스의 회수 방법 및 회수 설비 |
DE102008036088B4 (de) * | 2008-08-04 | 2012-06-28 | Thyssenkrupp Polysius Ag | Verfahren zum Betreiben einer Zementanlage |
JP2010235334A (ja) | 2009-03-30 | 2010-10-21 | Taiheiyo Cement Corp | 水銀水溶化方法 |
-
2014
- 2014-06-30 WO PCT/JP2014/003457 patent/WO2015045227A1/ja active Application Filing
- 2014-06-30 MY MYPI2016700272A patent/MY176197A/en unknown
- 2014-06-30 CN CN201480054046.XA patent/CN105579415B/zh active Active
- 2014-06-30 US US14/916,465 patent/US10131576B2/en active Active
- 2014-06-30 AU AU2014326102A patent/AU2014326102B2/en active Active
- 2014-06-30 JP JP2014133477A patent/JP6327016B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006016216A (ja) * | 2004-06-30 | 2006-01-19 | Mitsubishi Materials Corp | シミュレーション方法、シミュレーションプログラムおよび記憶媒体 |
JP2007176716A (ja) * | 2005-12-27 | 2007-07-12 | Mitsubishi Materials Corp | セメントキルンの運転制御方法およびセメントの製造方法 |
Also Published As
Publication number | Publication date |
---|---|
AU2014326102B2 (en) | 2017-06-29 |
US20160214893A1 (en) | 2016-07-28 |
CN105579415A (zh) | 2016-05-11 |
MY176197A (en) | 2020-07-24 |
CN105579415B (zh) | 2017-09-22 |
AU2014326102A1 (en) | 2016-02-25 |
WO2015045227A1 (ja) | 2015-04-02 |
JP6327016B2 (ja) | 2018-05-23 |
US10131576B2 (en) | 2018-11-20 |
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