China's research and development work on the continuous casting and rolling of twin-roll aluminum strips commenced in October 1963, and in September 1964 produced 10mm thick cast strips at the Northeast Light Alloy Processing Plant. The thickness of the cast strips produced in 1965 was 700mm, 1982 650×1600mm double roller continuous rolling mill was successfully developed in North China aluminum processing plant. After nearly 40 years of hard work, the continuous casting and rolling technology of aluminum plate and double roll has been rapidly promoted and popularized in China. The company has undergone absorption and digestion of foreign advanced technologies and has been doing development and design and manufacturing. A lot of work. In 1995, China relied on the φ960×1550mm large-scale twin-roll continuous casting machine in the North China Aluminum Industry Co., Ltd. At present, there are a total of 123 aluminum strip continuous roll casting machines in China, with a total strip production capacity of 900,000 tons/year, including 12 double-roll continuous casting mills imported from abroad, with a total capacity of 142,000 tons/year. Installed in North China Aluminum Industry Co., Ltd., Fushun Aluminum Plant, Taiyuan Aluminum Factory, Alcoa Shanghai Aluminum Foil Co., Ltd., Ruisheng Aluminum Group, and Luoyang Copper Processing Plant. The advantages of aluminum strip continuous roll casting technology are: 1. With less investment and quick results, the investment recovery period is short. It is feasible for small and medium-sized aluminum sheet rolling mills. 2. With large metal throughput, recycled waste can be used as raw material, the production cost is low, and the price is quite competitive. 3. Obviously reduce the time from the aluminum water-ingot-hot-rolled strip or re-rolling, eliminating the need for ingots, milling, blanking and Other processes, and improve labor productivity. 4. Reduce energy consumption for a series of processes required for hot rolling. 5. The production line of twin-roll continuous casting and rolling process has a reasonable configuration, compact structure and convenient operation. With the rapid development of China's aluminum processing industry, many domestic industries such as the aviation industry, electronics industry, automobile industry WTO, face the severe situation of global economic integration, due to the limitations of the continuous casting and rolling technology of aluminum plate with double rolls, using double The aluminum strip produced by the roll continuous casting and rolling process technology can no longer meet the needs of multi-alloy and multi-species in the domestic and international markets. In addition, there is a proportion between aluminum sheet strip hot rolling wool and aluminum sheet strip continuous casting and rolling production in China. Disadvantages, the ratio of wool produced by the continuous casting and rolling process of aluminum plate with double rolls is too large. How should we develop and consolidate our country's aluminum strip continuous roll casting technology? 1. The government's macro-control measures, starting from the actual conditions of domestic twin-roll continuous casting mills, appropriately control the scale and control the newly launched twin-roll continuous casting and rolling mill project. At the same time, accelerating the development of aluminum sheet strip hot rolling projects, the ratio of wool sheet aluminum billet hot rolling wool and aluminum sheet continuous casting with double rolls will tend to be reasonable. According to the experts concerned, each accounted for 50%. According to relevant information, China’s aluminum sheet strip hot-rolled wool production capacity was 770,000 tons/year, the double-roll continuous casting and rolling aluminum strip production capacity was 90 tons/year, and the cast-rolled aluminum strip production capacity accounted for 54% of the total production capacity. The world's hot-rolled strip billet production capacity is 22.8 million tons/year, accounting for 82.6% of the total production capacity. The world's total capacity for continuous casting and rolling of aluminum strip is only 4.8 million tons/year, accounting for only 17.4% of the total production capacity. At present, there are three single-stand and double-coil hot-rolling mills in China's mainland, there is still one hot-rolling mill under construction, and five hot-rolling mill projects have completed feasibility study reports. By 2006, there will be 10 in China. The hot rolling mill is put into operation. 2. Renovate and renovate the existing twin-roll continuous casting mill, increase the installed capacity of existing continuous casting mills, increase production capacity, and increase labor productivity. The small twin-roll continuous casting mills with backward technology and equipment should be eliminated, and the eliminated production capacity should be compensated by the upgrading and expansion measures. It is necessary to improve the technical level of the overall twin-roll continuous casting and rolling process in China. For example, mathematical model simulation tests and data processing are used to obtain better process parameters, and artificial intelligence is used to control the machine, video technology, instrumentation monitoring, and hydraulic technology. Into the aluminum strip with two-roll continuous casting and rolling technology, to achieve the entire production process automation and better operation. 3. To improve and improve the quality and condition of the continuous roll-rolling aluminum strip with double rolls, and to eliminate defects such as white strips, black spots, large grains, sticking rolls and cracked edges of the cast strip. The continuous rolling process technology of twin rolls is characterized by continuous uninterrupted production. Any accidents or frequent interruptions caused by power outages will cause the quality of the cast plate to fluctuate. Therefore, it is very important to maintain the long-term stable operation of the twin roll continuous casting mill. . It is necessary to strengthen degassing and filtration of aluminum water, add grain refiners, and at the same time, strengthen the responsibility of cast-rolling machine operators and conduct education on process discipline. Learning from foreign advanced experience, installing edge milling machines on a two-roll continuous mill to eliminate cracks is helpful for improving the overall yield of strip and foil and reducing geometric scrap. 4. Accelerate the research and development of the production of alloy aluminum strips using the aluminum strip double roll continuous casting and rolling process technology. In view of the limitations of the continuous casting and rolling technology of aluminum strip and double roll, the domestic aluminum strip continuous roll casting machine in China can basically only be used for the production of pure aluminum and 3003 cast-rolling plates, and has not been able to meet the growing domestic demand for many. This kind of aluminum alloy sheet foil product requirements. The aluminum strip produced by the twin roll continuous casting mill is mainly used for aluminum foil wool, fin wool, and high surface aluminum raw materials because of its poor deep drawing performance. Foreign countries have been researching and developing the production of aluminum alloy strips using the twin-roll continuous casting and rolling process technology, especially aluminum cylinders, cylinder heads and pull ring wool (3004, 5082, and 5182). According to relevant data reports, France’s Pischne company has The traditional twin-roll continuous casting and rolling mill was tested on the production of aluminum cylinders, cylinder heads and ring pulls, and succeeded in its new generation of ultra-thin high-speed continuous casting and rolling mills. It has already been put into industrial production at one of its subsidiary aluminum processing plants. In this respect, there is still much work to be done in our country, for example, the theoretical study of the two-roll continuous casting and rolling technology, the metallographic structure and surface quality of the cast aluminum strip, the equipment and refractories of the two-roll continuous casting mill. Research and improvement. 5. The development and application of the ultra-thin high-speed double-roll continuous casting and rolling machine shall be emphasized, and the world's advanced ultra-thin high-speed double-roll continuous casting and rolling technology level shall be caught as soon as possible. According to foreign technical reports, the ultra-thin high-speed double-roll continuous casting and rolling technology has been further developed compared with the traditional two-roll continuous casting and rolling process technology. The thickness of the aluminum strip product is even thinner, and the production speed is faster due to its equipment installation level and labor. With high productivity, it has attracted the attention of people and experts in the aluminum industry in the world. The Bischneider Ultrasonic high-speed twin-roll continuous casting and rolling mill was installed at its Neuf-Brisah plant and was put into trial operation as early as June 1996. The thickness of the aluminum strip was in the range of 2 to 3 mm, and the book could reach 1 mm. Strip width is 2020mm? High casting speed is 15m/min. In addition, the ultra-high-speed twin-roll caster of Italy's Fatah Hunter Co., Ltd. rolls aluminum strips with a thickness of 1.3 mm, a high casting speed of up to 38 m/min, a normal casting speed of 14 m/min, and a thick cast strip width. 2184mm. Our country has already carried out this work. The large-scale ultra-high-speed twin-roll continuous casting and rolling mill jointly developed by South China University of Science and Technology and North China Aluminum Co., Ltd. has been put into trial operation in North China Aluminum Co., Ltd. It should be noted that in the country should no longer expand the scope, should concentrate on doing a good job of North China Aluminum Co., Ltd. Ultrabook high-speed two-roll continuous casting and rolling mill research and development and testing work, the accumulation of experience, do not have to cause investment waste. Ningbo Kyson Cool Electronic Technology Co., Ltd. , https://www.zjkysoncool.com