JP6384100B2 - 容器回転型ミキサーおよび容器回転型ミキサーの設計方法 - Google Patents
容器回転型ミキサーおよび容器回転型ミキサーの設計方法 Download PDFInfo
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- JP6384100B2 JP6384100B2 JP2014086513A JP2014086513A JP6384100B2 JP 6384100 B2 JP6384100 B2 JP 6384100B2 JP 2014086513 A JP2014086513 A JP 2014086513A JP 2014086513 A JP2014086513 A JP 2014086513A JP 6384100 B2 JP6384100 B2 JP 6384100B2
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- 238000000034 method Methods 0.000 title claims description 17
- 239000002245 particle Substances 0.000 claims description 146
- 239000002994 raw material Substances 0.000 claims description 84
- 238000006243 chemical reaction Methods 0.000 claims description 70
- 230000002093 peripheral effect Effects 0.000 claims description 46
- 238000011439 discrete element method Methods 0.000 claims description 45
- 238000013461 design Methods 0.000 claims description 7
- 238000003756 stirring Methods 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 description 49
- 239000007789 gas Substances 0.000 description 45
- 238000005096 rolling process Methods 0.000 description 30
- 238000012545 processing Methods 0.000 description 19
- 230000009257 reactivity Effects 0.000 description 14
- 238000002474 experimental method Methods 0.000 description 12
- 230000007423 decrease Effects 0.000 description 10
- 230000007704 transition Effects 0.000 description 10
- 230000000694 effects Effects 0.000 description 9
- 230000004048 modification Effects 0.000 description 9
- 238000012986 modification Methods 0.000 description 9
- 239000000126 substance Substances 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000005204 segregation Methods 0.000 description 4
- 239000008187 granular material Substances 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- 230000001737 promoting effect Effects 0.000 description 3
- 239000002893 slag Substances 0.000 description 3
- 238000009628 steelmaking Methods 0.000 description 3
- 244000126211 Hericium coralloides Species 0.000 description 2
- 239000011362 coarse particle Substances 0.000 description 2
- 239000010419 fine particle Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000013461 intermediate chemical Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
Images
Landscapes
- Mixers With Rotating Receptacles And Mixers With Vibration Mechanisms (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Description
α1=α2.max=0.56,
α2.min=α3=0.44,
t0=0,
tα2=200,
tα3=∞,
s1=0.000274,
s2=0.00100,
s3=0.00113,
C=12.3
から出口にかけて断続的に複数配置された例が示されている。この例においても、入口付近での原料粒子の滞留を緩和するとともに、原料粒子が雰囲気ガスに接触(暴露)する機会を多くして反応性を向上させる効果が得られる。
2,2t 周面リフター
3,3m,3s,3c 中央リフター
Claims (5)
- 中心軸を略水平方向として配置された円筒容器を回転させて、該円筒容器内に投入された原料を撹拌しながら前記円筒容器内の雰囲気ガスと反応させる容器回転型ミキサーであって、
前記円筒容器の内周面から突出する周面リフターと、
前記円筒容器の断面中心から放射状に突出する中央リフターと
を備え、
前記中央リフターの断面形状が、前記円筒容器の一端にある入口から他の一端にある出口に向かって徐々に小さくなることを特徴とする容器回転型ミキサー。 - 前記中央リフターの配置が断続的であることを特徴とする、請求項1に記載の容器回転型ミキサー。
- 前記中央リフターが前記中心軸回りの螺旋構造を有することを特徴とする、請求項1または2に記載の容器回転型ミキサー。
- 前記中央リフターがメッシュ構造を有することを特徴とする、請求項1〜3のいずれか1項に記載の容器回転型ミキサー。
- 請求項1〜4のいずれか1項に記載の容器回転型ミキサーの設計方法であって、
離散要素法(DEM)を用いて前記原料を構成する粒子の混同度合、前記粒子の前記雰囲気ガスへの暴露度合、または前記粒子の前記雰囲気ガスとの反応度合のうちの少なくともいずれかを解析した結果を定量的に評価して前記周面リフターおよび前記中央リフターを設計することを特徴とする設計方法。
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JP2014086513A JP6384100B2 (ja) | 2014-04-18 | 2014-04-18 | 容器回転型ミキサーおよび容器回転型ミキサーの設計方法 |
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Publications (2)
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JP2015206525A JP2015206525A (ja) | 2015-11-19 |
JP6384100B2 true JP6384100B2 (ja) | 2018-09-05 |
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Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5448924A (en) * | 1976-07-17 | 1979-04-17 | Keiichi Imai | Multiple spindle revolution concrete mexer |
JPS5849777Y2 (ja) * | 1980-09-10 | 1983-11-14 | 企業組合 静岡機械製作所 | 合組機 |
JPH0753703Y2 (ja) * | 1991-12-26 | 1995-12-13 | 北越物産株式会社 | 混合機 |
US6860735B1 (en) * | 2000-09-21 | 2005-03-01 | S. Mac Co., Ltd. | Rotary kiln |
JP2002105980A (ja) * | 2000-10-02 | 2002-04-10 | Sumitomo (Shi) Construction Machinery Manufacturing Co Ltd | 連続固化処理装置 |
JP4328215B2 (ja) * | 2004-01-13 | 2009-09-09 | 新日本製鐵株式会社 | 製鋼スラグの処理方法 |
JP4540044B2 (ja) * | 2004-06-08 | 2010-09-08 | 大平洋金属株式会社 | 回転式熱交換装置用リフター、それを装備した回転式熱交換装置、およびニッケル酸化鉱石の熱処理法 |
JP2008105005A (ja) * | 2006-10-26 | 2008-05-08 | Yozo Yamamoto | 回転攪拌装置 |
JP2013023698A (ja) * | 2011-07-15 | 2013-02-04 | Nippon Steel & Sumitomo Metal Corp | 粒子挙動の解析方法 |
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