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 efficiently obtaining exhaust gas having a high carbon dioxide gas concentration and from which chlorine is removed.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 to the calcination furnace 4; a calcination furnace exhaust gas discharge path 10; a calcination furnace exhaust gas temperature lowering device 11 for lowering a temperature of carbon dioxide gas-containing exhaust gas flowing through the exhaust gas discharge path 10; a dust collector 12 for recovering a lime-containing raw material from the carbon dioxide gas-containing exhaust gas; and a water washing device 13 for washing the recovered lime-containing raw material; and an exhaust gas treatment agent supply device 25 for supplying at least a portion of a lime-containing residue generated by water washing into a calcination furnace exhaust gas supply path 10 between the calcination furnace exhaust gas temperature lowering device 11 and the dust collector 12.SELECTED DRAWING: Figure 1
【課題】炭酸ガス濃度が高くかつ塩素が除去された排ガスを効率的に得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ことである。【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、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、か焼炉排ガス排出路１０と、該排ガス排出路１０の中を流通する炭酸ガス含有排ガスの温度を低下するためのか焼炉排ガス温度低下装置１１と、上記炭酸ガス含有排ガスから生石灰含有原料を回収するための集塵装置１２と、回収された生石灰含有原料を水洗するための水洗装置１３と、水洗で生じた消石灰含有残渣の少なくとも一部を、か焼炉排ガス温度低下装置１１と集塵装置１２の間の、か焼炉排ガス供給路１０内に供給するための排ガス処理剤供給装置２５と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 having a high carbon dioxide gas concentration and from which chlorine is removed.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 to the calcination furnace 4; a calcination furnace exhaust gas discharge path 10; a calcination furnace exhaust gas temperature lowering device 11 for lowering a temperature of carbon dioxide gas-containing exhaust gas flowing through the exhaust gas discharge path 10; a dust collector 12 for recovering a lime-containing raw material from the carbon dioxide gas-containing exhaust gas; and a water washing device 13 for washing the recovered lime-containing raw material; and an exhaust gas treatment agent supply device 25 for supplying at least a portion of a lime-containing residue generated by water washing into a calcination furnace exhaust gas supply path 10 between the calcination furnace exhaust gas temperature lowering device 11 and the dust collector 12.SELECTED DRAWING: Figure 1
【課題】炭酸ガス濃度が高くかつ塩素が除去された排ガスを効率的に得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ことである。【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、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、か焼炉排ガス排出路１０と、該排ガス排出路１０の中を流通する炭酸ガス含有排ガスの温度を低下するためのか焼炉排ガス温度低下装置１１と、上記炭酸ガス含有排ガスから生石灰含有原料を回収するための集塵装置１２と、回収された生石灰含有原料を水洗するための水洗装置１３と、水洗で生じた消石灰含有残渣の少なくとも一部を、か焼炉排ガス温度低下装置１１と集塵装置１２の間の、か焼炉排ガス供給路１０内に供給するための排ガス処理剤供給装置２５と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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