The battery is widely used as a convenient and applicable DC power supply for power plants, industrial, mining enterprises to change the electric center and various types of motor vehicles. The battery insulation cover can prevent battery leakage, because in the assembly process, it is important to ensure that the safety production of the battery is important in the assembly process. At present, the lead-acid battery has been included in the directory of hazardous chemicals. my country has also attached great importance to the safety production of lead-acid batteries, strengthening safety prevention on battery production and assembly, and has formulated the "Lead Work Safety Rules".
Waste battery pollution and its treatment have become one of the focus of society. The people of the National Environmental Protection Administration's scientific and technical standards believe that as China's battery production and the expansion of the number of times, the type of waste battery is getting more and more. Waste batteries contain electrolyte solutions such as mercury, lead, cadmium, nickel, etc., and have different degrees of harm to the human body and ecological environment.
It is understood that this is mainly harmful to human health and the environment. The waste cells included in hazardous waste are mainly, homozygous batteries; lead-acid batteries; cadmium batteries mainly have nickel-cadmium batteries. According to data, the part of the battery is rotten underground, and the 1 square meter will lose permanent utilization value; a plate buckle can cause 600 tons of water to contaminate, which is equivalent to a person's drinking water. With regard to several substances that have threats in the natural environment, mercury, lead, cadmium, etc. are contained in the battery. If the battery is used in the garbage dump or discard, the leakage of mercury and heavy metal will penetrate in the soil, and underground water is To contamination, then mixed with fish, crops, human living environment, producing direct and indirect damage to human health.
Once the body absorbs these heavy metals, what disease will happen? According to experts, mercury is a very poisonous heavy metal, which has great destructive damage to the central nervous system of the human body. At present, China has a 5% mercury content of mercury-containing alkaline dry batteries as high as 1% -5%, and the amained dry battery mercury content is 0.025%. China's battery production and mercury consumption reached tens of tons per year. Cadmium can easily cause chronic poisoning in the human body, main diseases are emphysema, bone softer, anemia, which may cause paralysis to the human body. It is possible to interfere with renal function due to the entry of the human body.
Experts believe that due to the characteristics of battery pollution with long cycle, concealment, potential harm is quite serious, and improper treatment will cause secondary pollution. According to Dr. Yang Yifu, some farmers in the coastal provinces were in the process of lead recovery of lead-acid batteries in China, because improper recovery treatment, the lead and sulfuric acid waste liquid were poured off. It will not only lead to lead poisoning, but also make local crops to grow. How to timely and safely recycle and deal with waste batteries, which has become increasingly prominent issues. Therefore, the use of the battery insulation cover has become necessary.
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