ã€ALUMINIUM NETWORK】In the production process of aluminum foil foil rolling mill, rolling oil (base oil is kerosene) is used as cooling and lubricant, and rolling oil is polluted by heavy oil (such as hydraulic oil) during the cycle. The increase of the heavy oil content will cause the product surface to form yellow spots during annealing. At present, there is no good solution at home and only the oil in the entire tank can be replaced. The project equipment is designed for the removal of heavy oil in the rolling oil and designed and developed technology and environmental protection equipment.
The technical principle of this device is to use the difference in physicochemical characteristics of the components in the rolling oil, to separate rolling oil and heavy oil by vacuum distillation, and to use a combination of back pressure and flow control to solve the problem of material conveying accuracy; The solution of gas-phase rolling oil condensation is solved by the method of thin tube bundles, multiple tubes, and large inlets; multi-stage and multi-point chained alarm protection is used to ensure the safety of the equipment; shell-mounted design is convenient for installation and maintenance.
The device has the characteristics of flexible operation mode, low operating cost, compact design, high degree of automation and perfect security measures; the quality of the rolling oil after regeneration (initial boiling point ≥ 205°C, final boiling point ≤ 280°C, heavy oil content ≤ 0.1 %) Meet the mill oil standard. The first device was applied to Alcoa (Shanghai) Co., Ltd. in April 2005. The physical and chemical properties of the reclaimed rolling oil fully meet the rolling mill oil standard, and all performance indicators have reached the world's advanced level.
The device can be widely used in aluminum foil processing plants, and is an effective quality control method for producing high-quality, high-value-added products. It not only improves product quality and reduces the use of new oil, but also turns waste into treasure and improves the company's Environmental protection, clean production and recycling economy. At present, there is no precedent for the installation in the country, and only a handful of rolling mill production plants in Europe have the ability to design and manufacture, which is a pioneering and innovative project.
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