Hand-held aerosol fire suppression apparatus

A hand-held aerosol fire suppression apparatus, comprising safety pole (1), button (2), enclosure of cartridge (4), enclosure of cooling layer (6), jet nozzle (8), tapered jet orifice (9), enclosure of apparatus (10), combustion chamber (11), rear fender (14), piezoelectric ceramics (15), rear cap (17), and safety ring (18);

• wherein the rear cap (17) is screwed to the enclosure of apparatus (10);
• the jet nozzle (8) is screwed or fitted to the enclosure of apparatus (10);
• a chemical agent (5) is installed in the enclosure of cartridge (4) and a cooling material (7) is installed in the enclosure of cooling layer (6) in the enclosure of apparatus (10);
• a thermal insulating layer (3) is installed between the enclosure of apparatus (10) and the enclosure of cartridge (4), between the enclosure of apparatus (10) and the enclosure of cooling layer (6), and between the rear fender (14) and the chemical agent (5);
• the combustion chamber (11) is installed between the enclosure of cartridge (4) and the enclosure of cooling layer (6);
• a groove (12) is arranged on the enclosure of apparatus (10) to facilitate gripping;
• the safety ring (18) is a circular ring connected with a thin wire, and the other end of the thin wire is led into a small hole above the piezoelectric ceramics (15);
• and the tapered jet orifice (9) is arranged between the jet nozzle (8) and the enclosure of cooling layer (6), and the tapered jet orifice (9) has 30˜40 mm inlet diameter and 5˜12 mm outlet diameter.