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Method for calcining belite sulphoaluminate cement clinker by totally utilizing industrial waste residues
The invention discloses a method for calcining belite sulphoaluminate cement clinker by totally utilizing industrial waste residues, and acetylene sludge, coal ash, electrolytic aluminum slag and desulphurization gypsum serve as raw materials. The method includes the specific operation steps that 1, the raw materials are dried; 2, by weight, 50-60% of the dry acetylene sludge, 20-30% of the dry coal ash, 7-10% of the dry electrolytic aluminum slag and 10-15% of the dry desulphurization gypsum form a mixed material; 3, boric acid is added to the mixed material, grinding is conducted on the mixed material obtained after the boric acid is added, and powdery raw cement is obtained; 4, the raw cement is calcined till cement clinker minerals are all formed, and cement clinker is obtained and cooled to the room temperature. By means of the method, the problem of waste residue utilization can be effectively solved, waste is changed to be valuable things, high-quality cement products similar to ordinary portland cement clinker can be produced, and the method is an industrial waste residue utilization channel of high additional value.
Method for calcining belite sulphoaluminate cement clinker by totally utilizing industrial waste residues
The invention discloses a method for calcining belite sulphoaluminate cement clinker by totally utilizing industrial waste residues, and acetylene sludge, coal ash, electrolytic aluminum slag and desulphurization gypsum serve as raw materials. The method includes the specific operation steps that 1, the raw materials are dried; 2, by weight, 50-60% of the dry acetylene sludge, 20-30% of the dry coal ash, 7-10% of the dry electrolytic aluminum slag and 10-15% of the dry desulphurization gypsum form a mixed material; 3, boric acid is added to the mixed material, grinding is conducted on the mixed material obtained after the boric acid is added, and powdery raw cement is obtained; 4, the raw cement is calcined till cement clinker minerals are all formed, and cement clinker is obtained and cooled to the room temperature. By means of the method, the problem of waste residue utilization can be effectively solved, waste is changed to be valuable things, high-quality cement products similar to ordinary portland cement clinker can be produced, and the method is an industrial waste residue utilization channel of high additional value.
Method for calcining belite sulphoaluminate cement clinker by totally utilizing industrial waste residues
YAO PIQIANG (author) / WU QIUSHENG (author) / HAN HUI (author) / HUANG XI (author) / SONG FEI (author)
2016-02-10
Patent
Electronic Resource
English
IPC:
C04B
Kalk
,
LIME
| European Patent Office | 2024
| European Patent Office | 2024
| European Patent Office | 2024
| European Patent Office | 2024