According to reports, in recent years, the focus of the development of China's tire industry has shifted from the past “scale, quantity, and speed” to a rational development track characterized by “structure, quality, brand, and benefits”. Cai Weimin, secretary general of the tire division of China Rubber Industry Association , pointed out that if we want to go steadily faster on this road and successfully implement the industrial transfer mode and structural adjustment, we must put energy conservation and emission reduction and improve energy use efficiency on the development of the industry. Location.

At present, energy conservation and consumption reduction activities have been carried out in depth in the tire industry. Among them, the promotion and application of a number of new technologies and new processes have resulted in a significant reduction in the energy consumption of the industrial value-added of the tire industry.

For example, the rubber refining process is the highest energy consumption in tire production, accounting for about 40% of the energy consumption of the entire tire production process. At present, a number of companies have successfully developed a low-temperature one-step process for refining plastics. This technology changes the traditional multi-stage mixing to one-time mixing, that is, the compound is cooled by the first open mill after high-temperature smelting by the mixer, and then distributed symmetrically to the surrounding multi-platform through the central delivery system. The mixer performs continuous low-temperature mixing to directly obtain the final rubber. The entire process enhances the mixing of the auxiliary machine, and the entire process is automatically controlled. The new process reduces the intermediate transfer link of the rubber compound, thereby reducing the amount of space occupied by the rotary rubber compound and saving more than 1/2 of the floor space. The time for converting raw materials into compound rubber is shortened from 12 hours to 30 minutes, which greatly saves raw materials. Cost; achieve about 20% reduction in electricity consumption per ton of plastic and more than double production efficiency.

Another example is the promotion of nitrogen vulcanization technology is one of the major highlights of energy saving and emission reduction in the tire industry. In the past, tires used superheated water for heating during the vulcanization process. Actually, the heat of the circulating superheated water was absorbed only by a small part of the tire, and a large amount of hot water performed an ineffective cycle. Nitrogen is used instead of hot water as the internal pressure medium for vulcanization. It is more advanced than the existing over-hot water vulcanization process in terms of production efficiency, product quality, production cost, and energy consumption.

In addition to breakthroughs in new technology, Cai Weimin revealed that in the next step, the tire division of the China Rubber Association will further promote energy conservation and consumption reduction in four areas: first, help companies establish correct concepts, and realize that energy conservation and consumption reduction are The importance of strengthening and expanding; Second, it will focus on promoting the successful experience and advanced technology of some companies; Thirdly, it will jointly formulate tire process management regulations and green tire specifications to promote the development of green tire industrialization; Fourth, it will strive to promote related industries and The coordinated development of the tire industry supports the development and application of green additives, special carbon black, steel cords, and new materials such as gutta percha. The rubber equipment industry must keep abreast of the development needs of tire companies, and pay attention to and grasp the development of green tires. Information dynamics.

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