Mix-delivery system for explosives

Details Mix-delivery system for explosives Mix-delivery system for explosives

1986-05-28

1987-08-11

Nelson, Peter A.

Ammunition and explosive-charge making

Loading fireworks and bursting charges

Placing, tamping, or priming charge in blast hole

86 2012, 149 2, 149 60, 1491096, 264 34, F42B 300

Patent

active

046853758

ABSTRACT:
Method and apparatus for making aqueous slurry explosives are disclosed. The components of the aqueous slurry explosive are mixed in a variable speed rotary mixer where the speed of the mixer is determined by the sequence of addition of the explosive components. The explosive components generally comprise water; an inorganic oxidizing salt such as ammonium nitrate; organic liquid such as propylene glycol; organic solids such as sugar; air entraining agents such as microspheres; densifying agents such as hot ammonium nitrate solutions; thickening agents such as flours and guar gums and pH adjustors and self-explosives. The aqueous slurry explosive may be formed using ambient temperature water. The apparatus is particularly suited as a mobile unit for use in the field.

REFERENCES:
patent: 3886010 (1975-05-01), Thornley et al.
patent: 4142928 (1979-03-01), Stewart
patent: 4216040 (1980-08-01), Sudweeks et al.
patent: 4388254 (1983-06-01), Maes et al.
patent: 4439254 (1984-03-01), Mullay
patent: 4585495 (1986-04-01), Honeyman et al.

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