DEVICE FOR SPRAYING POWDERY CHEMICAL AGENT AND PROCESS FOR SPRAYING POWDERY CHEMICAL AGENT

摘要

A device (1) for spraying a powdery chemical agent is provided with: a container body (11) in which water (51) is to be put; a cylindrical body (23) which is set so as to penetrate a cap (21) that covers a top opening (13) and both ends of which are present respectively in the inside and outside of the container body (11); one pair of sealing films (25,27) which seal respectively both ends of the cylindrical body (23) that is loaded with a powdery chemical agent (30) and which can be broken by the action of a pressure equal to or higher than a prescribed level; and sodium bicarbonate (41) and citric acid (43) which react with the water (51) present in the container body (11) to generate a reaction gas.