Experimental Study On Cement Clinker Co-Generation In Pulverized Coal Combustion Boilers Of Power Plants  

Oleh:

Wang, Wenlong ; Luo, Zhongyang ; Shi, Zhenglun ; Cen, Ke-Fa

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Waste Management & Research vol. 24 no. 3 (Jun. 2006), page 207-214.
Topik: Cement clinker co-generation; pulverized coal combustion (PCC); power generation; zero waste; resource conservation; wmr 796–5
Fulltext: 207.pdf (246.3KB)

Isi artikel

The idea to co-generate cement clinker in pulverized coal combustion (PCC) boilers of power plants is introduced and discussed. An experimental study and theoretical analysis showed this idea to be feasible and promising. By adding quick lime as well as other mineralizers to the coal and grinding the mixture before combustion, sulfoaluminate cement clinker with a high content of silicate (SCCHS) could be generated. The main mineral phases in SCCHS are 2CaO · SiO2 (dicalcium-silicate), 3CaO · 3Al2O3 · CaSO4 (calcium-sulfoaluminate) and 2CaO · Al2O3 · SiO2 (gehlenite). Performance tests showed that the SCCHS met the requirements for utilization in common construction. Based on this idea, zero solid waste generation from PCC would be realized. Furthermore, thermal power production and cement production could be combined, and this would have a significant effect on both environmental protection and natural resource saving.

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