Blog

Some important festivals, everyone will go to fireworks, fireworks and firecrackers, is a way to express festive feelings, not only the Chinese do, but also foreign entertainment such as fireworks show. But the celebrations are happy, and the hidden dangers hidden behind the gorgeous fireworks are not to be underestimated.

Damage to the respiratory system, nervous system

Fireworks and firecrackers produce gases such as sulfur dioxide, nitrogen monoxide, and nitrogen dioxide. These toxic and harmful gases are invisible “killers.” When the concentration of harmful substances such as sulfur dioxide and sulfur trioxide in the air exceeds the allowable value, it will stimulate the respiratory mucosa of the human body, damage the lung tissue, cause or induce bronchitis, bronchitis, pneumonia, emphysema and other diseases, and can be associated with hemoglobin in the human body. Combined, causing hypoxia and developing symptoms of poisoning.

The oxynitride in the smoke generated by the fireworks and firecrackers is photochemically oxidized by ultraviolet rays from the sun, producing a photochemical smog, which is a toxic secondary pollutant that stimulates the human eye and nasal mucosa. Causes lesions and can cause headaches. Death can occur when people are exposed to excessive levels of nitrogen oxides for a long time.

When a large number of firecrackers were fired during the Spring Festival, the concentration of sulfur dioxide and carbon monoxide in the air increased significantly. The nitrogen dioxide, sulfur dioxide and respirable particulate matter in the air exceeded the national standards.

Easy to cause cardiovascular and cerebrovascular diseases

Firecrackers will produce noise pollution. According to the environmental protection department’s monitoring of firecracker pollution during the Spring Festival of 10 cities such as Wuhan, Shanghai and Beijing, it was found that the noise in the firecrackers area is as high as 135 decibels, and the noise that people can accept at night cannot exceed 45 decibels. High-intensity noise is a serious hazard to patients with diseases such as cerebrovascular disease and heart disease.

Injury hearing

Experts remind you to protect your ears from the “knocking deafness” when you release fireworks and firecrackers during the Spring Festival. Knock deafness is a type of neurological deafness, and the ear is stimulated by noise beyond the ability to withstand, and the ear nerves cause damage. The initial symptoms of deafness deafness are the hearing loss of high frequency sounds, which is the hearing loss of squeaks. As time goes by, the symptoms will become more and more obvious. Those who have been injured by firecrackers will have serious problems. Hearing loss.

In order to avoid the “knocking deafness” injury, everyone should be away from the firecrackers when setting off firecrackers during the Spring Festival, or use both hands, cotton balls, earplugs to protect the ears.

Injury

Every year in the Spring Festival, there are cases of fire and firecracker burns. Most of the wounded parts are the eyes and hands of the patient. The eyes are especially fragile. The cornea is burnt, infected, and ulcerated. In addition, foreign bodies enter and burn severely, causing the eyeball to be removed.

Once someone has been burned by fireworks, quickly remove the fired clothes, flush the cold water as soon as possible to prevent the burn area from expanding, and then gently cover the wound with sterile gauze. If there is no sterile gauze, immediately replace it with a clean handkerchief and towel. If the head is burned, use a clean towel soaked in ice to wrap the cold pack.