Abstract: The present invention provides a modular installation (1) for carrying out a method of manufacturing an explosive emulsion precursor comprising at least three containers: —a first container (100) for preparing an aqueous phase, including a dissolution first tank (110); and —at least one second and/or third container (200, 300) including a second tank for preparing oily phase (210) and a third tank for preparing emulsion (310); and —at least one fourth and/or fifth container (400, 500) including means (410) for feeding heat and means (510) for feeding electrical energy; and —said first, second and/or third containers (100, 200, 300) being juxtaposed over at least a portion of one of their walls (100a, 300b, 200b) and being provided with openings (170, 370a, 275, 375, 270b) in their walls.