Powder for inhibiting firing and explosion of coal dust

The invention discloses powder for inhibiting firing and explosion of coal dust. The powder is characterized by comprising calcium carbonate, latex powder and quick-dry powder, wherein the grain size of the calcium carbonate is 100 to 400 meshes, and the mass part ratio of the calcium carbonate to l...

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Bibliographic Details
Main Author ZHANG LINGBIN
Format Patent
LanguageChinese
English
Published 12.01.2011
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS
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Summary:The invention discloses powder for inhibiting firing and explosion of coal dust. The powder is characterized by comprising calcium carbonate, latex powder and quick-dry powder, wherein the grain size of the calcium carbonate is 100 to 400 meshes, and the mass part ratio of the calcium carbonate to latex powder to quick-dry powder is 100:3-10:3-10. When used, the powder is mixed with water and then sprayed. Compared with the prior art, the powder of the invention has the advantages of good flame retardant effect, good adhesion and the like.
Bibliography:Application Number: CN20101270231