Charging of explosives into boreholes

Details Charging of explosives into boreholes Charging of explosives into boreholes

F - Mech Eng,Light,Heat,Weapons

42

D

102/10

F42D 1/10 (2006.01)

Patent

CA 1312777

AECI 567 ABSTRACT "Charging of Explosives into Boreholes" The invention provides a method of charging a pumpable explosive into a borehole, and to a borehole charging assembly for this purpose. The method involves pumping the pumpable explosive into the borehole and, while the explosive is being pumped into the borehole, mixing a sensitizing agent into the explosive to enable gas bubbles of size 70 to 200 microns in diameter to be formed in the explosive. The assembly comprises a container for a pumpable, unsensitized explosive, a second container for a sensitizing agent and a pump for pumping explosive. The assembly incluces a mixing device which is connected in series with the pump outlet.

531148

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