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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 efficiently obtaining exhaust gas high in a concentration of carbon dioxide gas and capable of making an exhaust amount of exhaust gas smaller.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 calcination furnace exhaust gas discharge path 10; a combustion-supporting gas supply path 9 for guiding the combustion-supporting gas of which oxygen content is heightened into the calcination furnace 4 to exchange heat between the combustion-supporting gas and carbon dioxide gas-containing exhaust gas flowing through the calcination furnace exhaust gas discharge path 10; first recovery means 11a for recovering a lime-containing raw material provided in the midway of the calcination furnace exhaust gas discharge path 10; and a calcination furnace exhaust gas supply path 19 that is in the midway of the calcination furnace exhaust gas discharge path 10 and connected to the calcination furnace exhaust gas discharge path 10 at a position on a wake side than the first recovery means 11a to converge a portion of carbon dioxide gas-containing discharge gas of the discharge path 10 to the combustion-supporting gas.SELECTED DRAWING: Figure 1
【課題】炭酸ガスの濃度の高い排ガスを効率的に得ることができ、排ガスの排出量を小さ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、か焼炉排ガス排出路１０と、酸素濃度を高めた支燃性ガスをか焼炉４内に導き、か焼炉排ガス排出路１０の中を流通する炭酸ガス含有排ガスと上記支燃性ガスを熱交換するための支燃性ガス供給路９と、か焼炉排ガス排出路１０の途中に配設された生石灰含有原料を回収するための第一の回収手段１１ａと、か焼炉排ガス排出路１０の途中であり第一の回収手段１１ａよりも後流側の位置でか焼炉排ガス排出路１０と連結し、該排出路１０の炭酸ガス含有排ガスの一部を上記支燃性ガスに合流させるためのか焼炉排ガス供給路１９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 efficiently obtaining exhaust gas high in a concentration of carbon dioxide gas and capable of making an exhaust amount of exhaust gas smaller.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 calcination furnace exhaust gas discharge path 10; a combustion-supporting gas supply path 9 for guiding the combustion-supporting gas of which oxygen content is heightened into the calcination furnace 4 to exchange heat between the combustion-supporting gas and carbon dioxide gas-containing exhaust gas flowing through the calcination furnace exhaust gas discharge path 10; first recovery means 11a for recovering a lime-containing raw material provided in the midway of the calcination furnace exhaust gas discharge path 10; and a calcination furnace exhaust gas supply path 19 that is in the midway of the calcination furnace exhaust gas discharge path 10 and connected to the calcination furnace exhaust gas discharge path 10 at a position on a wake side than the first recovery means 11a to converge a portion of carbon dioxide gas-containing discharge gas of the discharge path 10 to the combustion-supporting gas.SELECTED DRAWING: Figure 1
【課題】炭酸ガスの濃度の高い排ガスを効率的に得ることができ、排ガスの排出量を小さ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、か焼炉排ガス排出路１０と、酸素濃度を高めた支燃性ガスをか焼炉４内に導き、か焼炉排ガス排出路１０の中を流通する炭酸ガス含有排ガスと上記支燃性ガスを熱交換するための支燃性ガス供給路９と、か焼炉排ガス排出路１０の途中に配設された生石灰含有原料を回収するための第一の回収手段１１ａと、か焼炉排ガス排出路１０の途中であり第一の回収手段１１ａよりも後流側の位置でか焼炉排ガス排出路１０と連結し、該排出路１０の炭酸ガス含有排ガスの一部を上記支燃性ガスに合流させるためのか焼炉排ガス供給路１９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
IPC:
C04B
Kalk
,
LIME
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