How to make rotating fireworks?

The practice of rotating fireworks is as follows:

1. dispensing: mix potassium nitrate, potassium perchlorate and potassium chlorate according to a fixed ratio, and put them into an instrument to react into pellets;

2. After the ball is formed, it is made into bright beads and wrapped with a layer of black ignition powder; Charging: put the "coal ball" into the shell of fireworks and seal it with adhesive tape; Winding: fuse and then put on the outer packaging.

Fireworks are also called fireworks, fireworks, fireworks and firecrackers. According to "China Fireworks and Firecrackers Standard-Safety and Quality", fireworks and firecrackers are defined as entertainment products that use pyrotechnics as raw materials and produce acousto-optic colors. Working people in China invented it earlier, and it is often used for grand ceremonies or performances.

Fireworks are actually similar in structure to firecrackers, and they all contain black powder and medicine. In order to achieve good performance, fireworks and fireworks bombs are filled with a lot of gunpowder for launching and explosion. For example, a fireworks bomb with a diameter of 20 cm will explode only when it rises to a height of about 200 meters after launch, and the radius covered by these points can be about 80 meters.

Fireworks and firecrackers are the traditional cultural heritage of the Chinese nation. For thousands of years, fireworks and firecrackers culture has flowed in the blood of the Chinese nation like the Yangtze River and the Yellow River. From national celebrations to civil weddings, funerals and celebrations, from the birth of babies to the death of the elderly, fireworks and firecrackers are inseparable. Fireworks and firecrackers have concentrated the wisdom of the working people in China for thousands of years, played a unique role and formed a unique cultural connotation. So we think fireworks are one of the cultural totems of the Chinese nation.