Cast charge and application thereof to production of firework propellant

Abstract

The invention relates to a cast charge and application thereof to production of a firework propellant. The cast charge is potassium hydrogen terephthalate prepared by mixing terephthalic acid and potassium hydroxide in water to generate a chemical reaction. The cast charge is applied to production of the firework propellant, wherein the firework propellant is prepared by mixing the following components in percentage by weight: 60-70% of potassium perchlorate, 25-35% of cast charge and 2-5% of adhesive and pelletizing a mixture through a sugar coating machine. During the production of the cast charge disclosed by the invention, raw materials are not directly mixed with a strong oxidant, thus very safe production and transportation of the cast charge are realized; when the cast charge is applied to production of the firework propellant, as long as the cast charge is mixed with the potassium perchlorate and the adhesive before the production and is not mechanically machined and the cast charge is not directly stored and conveyed for a long time, potential safety hazard is greatly reduced; in addition, the usage amount of the firework propellant produced by the cast charge disclosed by the invention is only 6g and is 60% of that of a traditional firework propellant, thus the cost is reduced.

Description

technical field [0001] The invention relates to the field of fireworks production, in particular to a propellant and its application in the production of fireworks propellants. Background technique [0002] The propellant used in the existing fireworks production is composed of potassium nitrate, charcoal, and sulfur, which are put into a closed electric ball mill in proportion to pulverize and mix, then use a large hydraulic press to press into tablets, and after drying, use a crusher to break into particles shape, screening for the finished product. These steps of operation have to go through mechanical friction, and safety accidents such as explosions or fires often occur during production; in addition, the state currently stipulates that the propellants used in fireworks production must be purchased from designated manufacturers, and there are also potential safety hazards during long-distance transportation. Its safety accident also occurs from time to time; In additio...

AI Technical Summary

Problems solved by technology

These steps of operation have to go through mechanical friction, and safety accidents such as explosions or fires often occur during production; in addition, the state currently stipulates that the propellants used in fireworks production must be purchased from designated manufacturers, and there are also potential safety hazards during long-distance transportation. Its safety accident also occurs from time to time; In addition, the amount of traditional propellant used is as high as 10 grams, and the total cost is also higher