China's aluminum processing urgently needs to make up the waste tank to optimize the cycle short board

Europe

Europe is the second largest aluminum can material production and consumption area in the world, and thus it is the second largest recycling and recycling area for waste cans. The recovery rate in 2015 was close to 74% and the number of tanks recovered was approximately 28 billion. Europe has six renewable plants or projects with a total production capacity of 996 kt/a, including the largest Nabisite plant at Nobelis Aluminum.

In 1991, the recovery rate of waste cans in Europe was only 23%. In 2011, the recovery rate was 68%, more than three times that of 20 years ago. In addition to the use of the 3104 alloy for the recovery of waste cans in Europe, the rest of the regeneratively produced engine blocks for motorcycle engines have been most efficiently utilized.

According to European Aluminum Association statistics, in 2012, the European 27 countries (including Turkey) reached a record level of 69.5% in the recycling rate of cans, and the highest recovery rates were 97% in Finland and Belgium (including Luxembourg), followed by Germany and Norway. It is 96%, and the lowest in Latvia is only 30%. In 2012, Europe regenerated 3104 alloys from recycled 365 kt waste cans, and emitted 3.12 mt of greenhouse gases, equivalent to a year's greenhouse gas emissions of 340,000 European citizens. According to the recycling goals set by the European Aluminum Association, the recycling rate in 2020 should reach 80% and in 2015 it should reach 75%.

Nasitster Recycling and Recycling Center

The center is located within the area of ​​the Nasitister rolling mill in Germany, and is a wholly-owned company of Novelis. The regenerated 3104 alloy ingot has a production capacity of 400kt/a. It is the world's largest recycling can At the center, the maximum length of the ingot produced is 10m. After the casting is completed, it is transported to the rolling mill for rolling 3104 alloy strips. The Nasitster Recycling Center began trial production in June 2014 and employs 200 people. The recycling and recycling center began construction in March 2013. The plant was capped in June and the equipment installation was completed in November. It took only 15 months from the start of construction to the casting of the first large ingot. From October 2015, production was full at full capacity, and the time from trial production to production was only 16 months. It is reported that Novelis plans to build two recycling projects for waste cans in Europe. The site and scale have not yet been determined. Obviously, the scale of each project will not be greater than the center of Nasitster.

In order to obtain the maximum economic benefits, all the facilities of the center are tailor-made and reach the world's advanced level. There are 18 kinds of wastes recovered, with a recovery of about 370 kt/a, of which 90% is purchased from the market because about 20% of the recycled alloy components are required to be purchased from the market, because when reconstituted alloys are formulated, they need to be about 20% of the remelted ingots, so the scrap purchased from the market will not exceed 370kt/a. After the pre-treatment of the recovered waste, it is smelted and cast into ingots for rolled cans and auto sheet strips, and cast aluminum alloys for die-cast auto parts.

The center has 3 crushers with a production capacity of 25t/h each and a hh rotary crusher with a capacity of 5t/h. The total production capacity is 80t/h, and 3 production lines are formed respectively: a flexible integrated treatment line and a waste can Processing line, a processing chip processing line. The 25t/h crusher equipped with X-ray sorting device is the largest and newest system in the current aluminum waste treatment.

There are 3 rotary kiln with a production capacity of 20t/h each, which is used to dry the moisture on the crushing waste cans and the volatilization of the coating. The fragments are heated to 550°C. The temperature of the flue gas after combustion of the organic coating gas is 850 °C, can be used for building heating or recycling, used to heat waste cans, remove organic coatings, and the use of Rankine cycle principle, can produce 19MV of electrical energy. The quality of organic paint on scrap aluminum cans accounts for about 2.5%.

The center has three 130t side chamber furnaces for smelting pretreated scraps of waste canisters. It was designed by the engineering and technical personnel of Novelis Aluminium and McArthur Thermal Energy, and built by the McSegeser company. With high thermal efficiency, rapid melting, and melting at low temperatures, the main chamber temperature is only about 675 °C, which can greatly reduce the oxidation of the charge and melt, and the amount of slag is significantly reduced.

There are three sets of 175t dual-chamber smelting and holding furnaces with a melting temperature of about 760°C. Aluminum smelts are provided to two Wagstaff semi-continuous casting machines and 10m × 2.1m × 0.6m aluminum can be cast. Alloy slabs, such a 3104 alloy strip rolled by a slab, can be punched into 1.5 million tanks.

Hydro Aluminium expands Alunov rolling mill recycling production line

Hydro directly invested €45 million in the construction of a recycled aluminum can recycling line at the Alunov aluminum sheet rolling mill in Germany, with a production capacity of 50kt/a, which can be put into production in 2016. At that time, the company will regenerate. The 3104 alloy production capacity will be doubled to reach 100kt/a. The new production line will employ 40 people. With the commissioning of the new production line, Heidelberg Aluminum Company has further strengthened and enhanced the power and business of the Alvin Al-Alunov Aluminum Strip Plant at the Grevenbroich rolling mill. These three plants have formed a In the complete industrial chain, the slabs cast in the Rhein Aluminium Plant are supplied to the Alunov Rolling Plant and rolled into coils, most of which are supplied to the Grevenbroye Rolling Plant for the production of aluminium foil and very thin strips. The Alunov Rolling Mill is a joint venture between Hydro Aluminium and Novelis Aluminium, each holding 50% of the shares, so it has also been reported that this project has been listed as a part of Novelis Aluminium. The recycled 3104 alloy ingot produced by the recycling workshop can meet the company's 25% demand for the alloy ingot.

British Latford Recycling Plant

The Latford Recycling Plant is a wholly owned subsidiary of Novelis Aluminium, located in the town of Latterford, Warrington County, United Kingdom. In November 2013, Novelis invested 6 million pounds in the conversion and expansion of the plant to increase the production capacity of regenerated 3104 alloy slabs to 220kt/a, making it the second largest recycling can recycling enterprise in Europe. The plant has 165 employees.

Rolling Mill Recycling Workshop in Milan, Italy

In May 2013, Nobles Aluminium invested 12 million Euros in a can-drop can recycling-casting production line at the Pifu Emer Mill in Milan, Italy. The plant is a complete flat rolled aluminum product company with 400 employees. At this point, Nobles Aluminium has four recycling cans in Europe. The plant regenerated 3104 alloy slabs with a production capacity of 100kt/a.

Austrian non-ferrous metals processing company is the only non-ferrous metal rolling company in the country. It can produce semi-finished products such as aluminum, copper and other metals, but the output of aluminum is the largest. The waste aluminum cans built in the aluminum processing plant has been in 2015. Started production in July.

Norway Hall Maistra recycling factory

In November 2013, Hydro Aluminum stated that in order to build a more environmentally friendly society, it will increase the recycling of waste cans in Norway. The recycling plant was built in Hall Maistra and uses the French recycling process. The company will participate in this project and will be responsible for the recycling of waste cans. Their cooperation will shorten the transportation distance of aluminum scrap, benefit the environmental protection and increase the recovery rate. The LYCEL company can recycle 6,200 tons of waste cans each year, and Hydro will reclaim the recycled aluminum scraps and foundry corporate parts and roll the PS plate of aluminum plate and strip.

Newbrianc rolling mill will use oxygen combustion technology to melt aluminum scrap

In June 2015, Linde Gas under the Linde Group signed a cooperative research and development agreement with Kennel Aluminum Co., Ltd. The waste aluminum smelting furnace of Kennedy Aluminum will use Linde's oxyfuel technology with the goal of: Fuel The consumption is reduced by 50% and the melting rate is increased by 20%. Once this research work is completed, the smelting furnace in the smelting shop of the Ken Alcoa Company's Newcastle-Salk rolling mill in France will use oxyfuel technology. The joint study also involved the participation of the Kennel Aluminum Technology Center. According to the plan, all the work can be completed in December 2016. The recycling capacity of used cans in this factory is about 100kt/a.