Composite oxidant for fireworks and crackers

Abstract

The invention discloses a composite oxidant for fireworks and crackers. The composite oxidant consists of the following components in part by weight: 20 to 80 parts of potassium perchlorate, 30 to 100 parts of nitrate, 1 to 2 parts of potassium permanganate and 10 to 20 parts of perlite powder. The composite oxidant is prepared by combining cheap and available oxidants, namely the potassium perchlorate, the nitrate, the potassium permanganate and a flame-retarding antiknock agent which serve as the main components, so that the oxidizability of each component can be fully exerted, and a great amount of new practical properties are generated due to interaction of the components.

Description

technical field [0001] The invention relates to an oxidizing agent for fireworks and firecrackers, in particular to a composite oxidizing agent for fireworks and firecrackers. Background technique [0002] Potassium chlorate is currently the most commonly used oxidant in fireworks and firecrackers. It is a strong oxidant. Its thermal decomposition process is an exothermic reaction with low decomposition temperature and good flammability. Therefore, fireworks and firecrackers that use potassium chlorate as an oxidant have a better discharge effect, but after the mixed agent composed of potassium chlorate and sulfur or sulfide is put into use, not only the incidence of accidents increases, but also the destructive power of accidents increases greatly. . In order to improve the safety during the production, storage and use of fireworks and firecrackers, it has become the direction pursued by researchers in the fireworks and firecrackers industry and the development direction...

AI Technical Summary

Problems solved by technology

However, since the thermal decomposition process of potassium perchlorate is an endothermic reaction, the temperature required for decomposition is high and the oxygen release rate is slow, so the firework and firecracker products that only use potassium perchlorate instead of potassium chlorate as the oxidant are relatively poor in setting off, and the cost is relatively low. also higher

Someone has also successfully developed a safe firecracker medicinal oxidant without potassium chlorate, that is, using potassium perchlorate and barium nitrate to replace the previously used potassium perchlorate. Although the safety has been improved, due to the high price, it cannot be promoted to completely replace it Potassium chlorate