C - Chemistry – Metallurgy – 06 – B
Patent
C - Chemistry, Metallurgy
06
B
52/50
C06B 21/00 (2006.01)
Patent
CA 2031517
The invention relates to a method of and an apparatus for producing tribasic propellant charge powders. An operationally safe and continuous course of the production process is obtained according to the invention by first preparing a fully gelatinized dibasic intermediate product of nitrocellulose and a blasting or eplosive oil, without solvent, in a shearing mill (1). The intermediate product is granulated and supplied to an extruder (4) into which the third crystalline energy carrier and solvents are introduced. There the pulverous mixture is homogenized and extruded to form powder strands which are moist with solvent.
Pour obtenir un processus ininterrompu et de fonctionnement sûr, on a prévu de fabriquer dans un laminoir à cisaillement (1), sans solvant pour commencer, un produit intermédiaire complètement gélatinifié bibasique consistant en de la nitrocellulose et de la nitroglycérine. On granule ce produit intermédiaire et on l'introduit dans une extrudeuse (4), où l'on introduit également le troisième porteur d'énergie cristallin et des solvants. La masse pulvérulente est alors homogénéisée et extrudée, et l'on obtient ainsi des barres de poudre humidifiées par solvants.
Miehling Wolfgang
Mogendorf Klaus-Dieter
Cassan Maclean
Wnc-Nitrochemie G.m.b.h.
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