Method for coating high energy explosive crystals

Details Method for coating high energy explosive crystals Method for coating high energy explosive crystals

1985-02-08

1988-09-13

Miller, Edward A.

Explosive and thermic compositions or charges

Structure or arrangement of component or product

Coated component

C06B 4522

Patent

active

047707283

ABSTRACT:
A method for coating high energy explosive crystals is carried out in a fluidized bed apparatus, in which moist explosive crystals are predried and coated with a dispersion of flegmatizing and binding agents injected into said apparatus through nozzles, whereby said explosive crystals form agglomerates and said agglomerates form granules. Water from the dispersion is evaporated and the granules ready for use are discharged.
The method is particularly suitable for coating HMX, RDX and pentrite and may be used on explosive crystals having a grain size of about 1 mm, as well as about 150 microns and even below 20 microns.
The dispersion comprises, as a main ingredient, for instance plastic or wax.

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patent: 4350542 (1982-09-01), Kincaid et al.
patent: 4389263 (1983-06-01), Allen
patent: 4428786 (1984-01-01), Arni
patent: 4430241 (1984-02-01), Fiorucci

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