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Production system for mixing and calcining cement clinker by replacing coal with ammonia fuel
The invention discloses a production system for mixing and calcining cement clinker by replacing coal with ammonia fuel, and relates to the technical field of ammonia energy application, the system comprises: a decomposing furnace unit for preheating and decomposing cement raw material by using waste heat of a rotary kiln; the rotary kiln unit is used for calcining and conveying cement clinker; the ammonia fuel storage and conveying unit is used for storing ammonia fuel and supplying the ammonia fuel to the decomposing furnace ammonia combustion unit, the rotary kiln ammonia combustion unit and the tail gas treatment unit respectively; the decomposing furnace ammonia combustion unit is used for combusting ammonia fuel in the decomposing furnace and providing heat energy for decomposing the cement raw material; the rotary kiln ammonia combustion unit is used for combusting ammonia fuel in a rotary kiln and providing heat energy for calcining cement clinker; the tail gas treatment unit is used for treating tail gas generated by the decomposing furnace and the rotary kiln; compared with the prior art, the method has the beneficial effects that carbon-free ammonia is used as fuel to replace coal in cement clinker production, and the technical problem that clean energy in the cement production industry replaces coal to calcine cement clinker is solved.
本发明公开了一种氨燃料替代煤掺混煅烧水泥熟料的生产系统,涉及氨能源应用技术领域,该系统包括:分解炉单元,利用回转窑余热预热和分解水泥生料;回转窑单元,用于煅烧并输送水泥熟料;氨燃料储存与输送单元,用于氨燃料储存并将氨燃料分别供给分解炉氨燃烧单元、回转窑氨燃烧单元、尾气处理单元;分解炉氨燃烧单元,用于氨燃料在分解炉内燃烧,为分解水泥生料提供热能;回转窑氨燃烧单元,用于氨燃料在回转窑内燃烧,为煅烧水泥熟料提供热能;尾气处理单元,用于处理分解炉和回转窑产生的尾气;与现有技术相比,本发明的有益效果是:以不含碳的氨作燃料,替代水泥熟料生产中的煤,解决水泥生产行业清洁能源替代煤煅烧水泥熟料的技术难题。
Production system for mixing and calcining cement clinker by replacing coal with ammonia fuel
The invention discloses a production system for mixing and calcining cement clinker by replacing coal with ammonia fuel, and relates to the technical field of ammonia energy application, the system comprises: a decomposing furnace unit for preheating and decomposing cement raw material by using waste heat of a rotary kiln; the rotary kiln unit is used for calcining and conveying cement clinker; the ammonia fuel storage and conveying unit is used for storing ammonia fuel and supplying the ammonia fuel to the decomposing furnace ammonia combustion unit, the rotary kiln ammonia combustion unit and the tail gas treatment unit respectively; the decomposing furnace ammonia combustion unit is used for combusting ammonia fuel in the decomposing furnace and providing heat energy for decomposing the cement raw material; the rotary kiln ammonia combustion unit is used for combusting ammonia fuel in a rotary kiln and providing heat energy for calcining cement clinker; the tail gas treatment unit is used for treating tail gas generated by the decomposing furnace and the rotary kiln; compared with the prior art, the method has the beneficial effects that carbon-free ammonia is used as fuel to replace coal in cement clinker production, and the technical problem that clean energy in the cement production industry replaces coal to calcine cement clinker is solved.
本发明公开了一种氨燃料替代煤掺混煅烧水泥熟料的生产系统,涉及氨能源应用技术领域,该系统包括:分解炉单元,利用回转窑余热预热和分解水泥生料;回转窑单元,用于煅烧并输送水泥熟料;氨燃料储存与输送单元,用于氨燃料储存并将氨燃料分别供给分解炉氨燃烧单元、回转窑氨燃烧单元、尾气处理单元;分解炉氨燃烧单元,用于氨燃料在分解炉内燃烧,为分解水泥生料提供热能;回转窑氨燃烧单元,用于氨燃料在回转窑内燃烧,为煅烧水泥熟料提供热能;尾气处理单元,用于处理分解炉和回转窑产生的尾气;与现有技术相比,本发明的有益效果是:以不含碳的氨作燃料,替代水泥熟料生产中的煤,解决水泥生产行业清洁能源替代煤煅烧水泥熟料的技术难题。
Production system for mixing and calcining cement clinker by replacing coal with ammonia fuel
一种氨燃料替代煤掺混煅烧水泥熟料的生产系统
BIAN JINLIANG (Autor:in) / LIU SAINAN (Autor:in) / BAI YUN (Autor:in) / CHANG SUN-YOUNG (Autor:in) / ZHAO YUN (Autor:in)
27.06.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
Low-carbon cement calcining process for replacing limestone clinker with carbide slag
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