Size and class of shells
1, size
The sizes of shells are: 1 inch, 2 inch, 2.5 inches, 3 inches, 4 inches, 5 inches, 6 inches, 7 inches, 8 inches, 9 inches, 10 inches, 12 inches, 16 inches, 24 inches, etc. Japan allows the production of 32-inch or even 48-inch shells, but only domestically allows the production and export of shells smaller than or equal to 6 inches.
2. Types
The types of shells include: mines-MINE, cylindrical shells-CYLINDER SHELL and shells-KANTO-SHELL, etc. Wait. High-altitude shells can be divided into several small categories such as spherical bright beads, cylindrical bright beads, modeling patterns, floating types, hanging types, cylindrical types, and mother bullet types.
3, level
According to national standards, fireworks
and firecrackers are divided into four levels, and the dangers are A, B, C from high to low. , D. Fireworks with a diameter of more than 72 mm are Class A fireworks. Class A is suitable for products that are discharged by professional discharge personnel under specific conditions. Class B is suitable for products that are set off in large open spaces outdoors. When set off according to the instructions, people or property more than 25 meters away from the product and its discharge trajectory should not be harmed. Class C is suitable for products that are released in relatively open outdoor spaces. When the product is released according to the instructions, people or property more than 5 meters away from the product and its release trajectory should not be harmed. Class D is suitable for close-range firing. When firing according to the instructions, people or property more than 1 meter away from the product and its firing trajectory should not be harmed. Class A shells cannot be marketed.
Fireworks
The main effect colors included in the shells are: red, blue, orange, yellow, purple, white, gold, silver, green, cyan. The types of effects included in the shells include daisy, daisy, garland, with comet tail effect (with a similar comet tail effect when the ball lifts off), popping coconut tree, waterfall, crown waterfall, golden coconut tree, etc. .
Specific requirements for the discharge of shells
1. The fireworks must be approved by the relevant departments before being discharged, and the discharge must be operated by qualified professional personnel. .
2. Units undertaking large-scale fireworks display operations shall have the corresponding barrel qualifications for large-scale fireworks display and fireworks display barrels; Personnel and personnel responsible for the installation, filling, ignition, testing, etc. of the discharge operation shall have the discharge operation certificate.
3. Full-time security guards and full-time custodians should be set up on-site for the discharge of fireworks; minors shall not engage in the discharge of fireworks, and the discharge operators should not go to work after drinking.
4. The sudden change of wind direction at the scene may endanger the viewing personnel; the wind force exceeds level 6 or may endanger the safety of buildings, power communication facilities and the public in the safe area; sudden rain, fog, etc. should be suspended or terminated set off.
5. The warning range and time for large-scale fireworks, the location and time of traffic control, and the location and location of fire-fighting equipment shall be determined by the headquarters.
6. Emergency passages should be set up at the discharge operation site to ensure the smooth flow of the emergency fleet.
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