The amount of lead used in batteries accounts for more than 75% of the total lead consumption

The development of the battery industry has become the main factor driving lead consumption, and the increase in scrap will also increase correspondingly with the increase in battery consumption. At present, the amount of discarded batteries in my country has reached more than 1.5 million tons per year, and 60% to 64% of the total mass in my country is lead.
The amount of lead used in batteries accounts for more than 75% of the total lead consumption. The development of the battery industry has become the main factor driving lead consumption, and the increase in scrap lead-acid batteries will increase correspondingly with the increase in battery consumption. At present, the amount of discarded batteries in my country has reached more than 1.5 million tons per year. Lead-acid batteries account for 60% to 64% of the total mass of lead-acid batteries in China. Lead resources in discarded lead-acid batteries are about 1 million tons. The development of the recycled lead industry has broad prospects. Since the output and technology of my country's secondary lead industry are far behind that of developed countries, it is very necessary and urgent to accelerate the development and construction of engineering technology for comprehensive utilization of secondary lead resources. The current status and problems of the domestic lead recycling industry. my country's secondary lead industry started in the 1950s and has made significant progress in the past ten years. At the end of 2011, the secondary lead production capacity was 5.5926 million tons and the output was 1.35 million tons. It has initially become independent Industry; but from the overall level, there are many recycled lead enterprises, small scale, backward technology, high energy consumption, low lead recovery rate, serious pollution, low metal recovery rate and comprehensive utilization rate. There are nearly 300 waste lead storage battery regeneration plants in the country, and the production capacity of a single set of equipment ranges from tens of tons to thousands of tons, and only 12 have more than 10,000 tons. Small enterprises mainly use traditional smelting processes such as small reverberatory furnaces, blast furnaces and cupolas. The grids and lead mud are mixed together, basically without pretreatment process; some enterprises even use the original earth kiln smelting, waste The fugitive emissions of acid and flue gas cause serious environmental pollution caused by lead and SO2. Some data show [1] that compared with primary lead, recycled lead has greater advantages in terms of energy consumption, water consumption, waste discharge and environmental protection; for every 1t of recycled lead produced, it saves 659kg of standard coal, saves 235m3 of water, and reduces solid waste. It emits 128t and reduces SO20.03t, so the production cost is lower. According to estimates, the production cost of recycled lead is 38% lower than that of primary lead. With the rapid development of China’s economy, the automobile, communications, power, transportation and computer industries have become China’s high-growth industries. The development of these industries has driven the development of the lead-acid battery industry. Lead demand will continue to increase in the next few years. Rapid growth. The lead-acid battery industry’s demand for lead in 2011 was 3 million tons, and it is expected to increase to 5.06 million tons by 2015.　　The production of recycled lead mainly recycles waste batteries. The amount of recycled lead resources in our country is huge and is increasing year by year. In 2011, the output of lead-acid batteries in my country has reached 14.23 million kVAh, consuming 3 million tons of lead; it is estimated that by 2015, the output of lead-acid batteries will reach 240 million kVAh, consuming 3 million tons of lead, and scrap lead-acid batteries will increase accordingly. Lead-acid batteries account for 60% to 64% of the total mass of lead-acid batteries in my country. According to the 'Twelfth Five-Year Recycled Non-ferrous Metal Industry Development PlanLead recycling process technology Regenerated lead resources are mainly used batteries. In western developed countries, there are three main ways to recycle used batteries: first, battery manufacturers are responsible for organizing recycling through their retail network; second, special collection of lead-acid batteries approved by government regulations The mandatory alliance with lead-containing waste recycling and professional recycling companies collect waste batteries and miscellaneous lead, and then deliver them to the recycled lead plant; third, upon approval, the recycled lead plant has established a specific waste lead battery recycling and removal company. Therefore, the recovery rate of waste batteries in developed countries basically reaches 100%.　　 In contrast, although there are many channels for the recycling of waste lead batteries in my country, it is still in a state of disorder in general.　　The supply and marketing systems, battery manufacturing companies (and their sales networks), metal recycling companies in the material department, procurement teams of recycled lead plants, individual professional households, etc. are engaged in the recycling of waste lead batteries. There is currently no set of regulations on the management of waste and miscellaneous lead recycling, and a national recycling network for professional waste and miscellaneous lead recycling has not been established. The entire recycling work is in a state of decentralized operation; the recovery rate of waste batteries and waste miscellaneous lead is less than 85%. Due to the small production scale and low technical level of my country’s secondary lead industry, most manufacturers use small reverberatory furnaces, water jacket furnace smelting and earth furnace earth kiln smelting; while developed countries use mechanical crushing systems such as MA and CX for sorting. Sulfur-lead paste is subjected to pretreatment technologies such as desulfurization, and then the fire method, wet method, and dry-wet combined method are used to recover lead and other valuable substances. The total processing capacity of waste batteries reaches several million tons.　
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