Patent ID: 9028616
Filing Date: 2015-05-12
Classification: B08B,F42B,F42D

Abstract:
1. A Method for cleaning the inside of a pressure tight container for blasting treatment, the method being performed after a blasting step in which an object to be blasted and a blasting explosive are set and blasted inside the pressure tight container, the method comprising: a setting step of setting a cleaning explosive different from the blasting explosive inside the pressure tight container after the blasting step, and setting a solid separating material formed by a plurality of granular elements inside the pressure tight container and at a position which allows the separating material to be scattered to an inner wall surface of the pressure tight container by explosion of the cleaning explosive and to collide with the inner wall surface of the pressure tight container, the separating material being capable of removing adhering substances adhering to the inner wall surface of the pressure tight container after the blasting step by colliding with the adhering substance; and a removing step of exploding the cleaning explosive inside the pressure tight container to partially decompose a residue of the object to be blasted remaining inside the pressure tight container after the blasting step, wherein the removing step causes the granular elements to scatter to and collide with different parts of the inner wall surface of the pressure tight container to remove the adhering substances.