A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
MANUFACTURING SYSTEM OF CEMENT CLINKER AND MANUFACTURING METHOD OF CEMENT CLINKER
To provide a cement clinker manufacturing system capable of heightening a carbon dioxide gas concentration about a portion of gas, and capable of reducing a concentration of carbon dioxide gas for other exhaust gas.SOLUTION: A cement clinker manufacturing system 1 comprises: a cyclone preheating device 2; a rotary kiln 3; a calcination furnace 4 for promoting decarboxylation of a raw material; a clinker cooler 5; a kiln exhaust gas discharge path 6; a combustion-supporting gas supply path 9 for guiding combustion-supporting gas of which oxygen concentration is heightened to the calcination furnace 4; a lime-containing raw material supply path 20 for supplying the lime-containing raw material recovered at raw material recovering means 11a, 11b to any one of the cyclone heat exchangers 2a to 2c; a second decarboxylated raw material supply path 13 for supplying a portion of the decarboxylated raw material to the cyclone heat exchanger 2d; and a decarboxylated raw material supply amount control device 15 for adjusting a temperature in the cyclone heat exchanger 2c by adjusting an amount of the raw material supplied to the cyclone heat exchanger 2d.SELECTED DRAWING: Figure 1
【課題】一部の排ガスについては、炭酸ガス濃度を高くし、他の排ガスについては、炭酸ガスの濃度を低くすることができるセメントクリンカ製造システムを提供する。【解決手段】サイクロン式予熱装置２と、ロータリーキルン３と、原料の脱炭酸を促進するためのか焼炉４と、クリンカクーラー５と、キルン排ガス排出路６とを含み、酸素濃度を高めた支燃性ガスをか焼炉４に導くための支燃性ガス供給路９と、原料回収手段１１ａ，１１ｂで回収された生石灰含有原料をサイクロン式熱交換器２ａ～２ｃのいずれかに供給するため生石灰含有原料供給路２０と、脱炭酸された原料の一部をサイクロン式熱交換器２ｄに供給するための第二の脱炭酸原料供給路１３と、サイクロン式熱交換器２ｄに供給される原料の量を調整して、サイクロン式熱交換器２ｃ内の温度を調整するための脱炭酸原料供給量制御装置１５を含むセメントクリンカ製造システム１。【選択図】図１
MANUFACTURING SYSTEM OF CEMENT CLINKER AND MANUFACTURING METHOD OF CEMENT CLINKER
To provide a cement clinker manufacturing system capable of heightening a carbon dioxide gas concentration about a portion of gas, and capable of reducing a concentration of carbon dioxide gas for other exhaust gas.SOLUTION: A cement clinker manufacturing system 1 comprises: a cyclone preheating device 2; a rotary kiln 3; a calcination furnace 4 for promoting decarboxylation of a raw material; a clinker cooler 5; a kiln exhaust gas discharge path 6; a combustion-supporting gas supply path 9 for guiding combustion-supporting gas of which oxygen concentration is heightened to the calcination furnace 4; a lime-containing raw material supply path 20 for supplying the lime-containing raw material recovered at raw material recovering means 11a, 11b to any one of the cyclone heat exchangers 2a to 2c; a second decarboxylated raw material supply path 13 for supplying a portion of the decarboxylated raw material to the cyclone heat exchanger 2d; and a decarboxylated raw material supply amount control device 15 for adjusting a temperature in the cyclone heat exchanger 2c by adjusting an amount of the raw material supplied to the cyclone heat exchanger 2d.SELECTED DRAWING: Figure 1
【課題】一部の排ガスについては、炭酸ガス濃度を高くし、他の排ガスについては、炭酸ガスの濃度を低くすることができるセメントクリンカ製造システムを提供する。【解決手段】サイクロン式予熱装置２と、ロータリーキルン３と、原料の脱炭酸を促進するためのか焼炉４と、クリンカクーラー５と、キルン排ガス排出路６とを含み、酸素濃度を高めた支燃性ガスをか焼炉４に導くための支燃性ガス供給路９と、原料回収手段１１ａ，１１ｂで回収された生石灰含有原料をサイクロン式熱交換器２ａ～２ｃのいずれかに供給するため生石灰含有原料供給路２０と、脱炭酸された原料の一部をサイクロン式熱交換器２ｄに供給するための第二の脱炭酸原料供給路１３と、サイクロン式熱交換器２ｄに供給される原料の量を調整して、サイクロン式熱交換器２ｃ内の温度を調整するための脱炭酸原料供給量制御装置１５を含むセメントクリンカ製造システム１。【選択図】図１
MANUFACTURING SYSTEM OF CEMENT CLINKER AND MANUFACTURING METHOD OF CEMENT CLINKER
セメントクリンカ製造システム及びセメントクリンカ製造方法
KIMURA TAKAYUKI (author) / HONMA KENICHI (author) / TERASAKI JUNICHI (author)
2022-10-06
Patent
Electronic Resource
Japanese
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