The year 2013 is the first year of comprehensive implementation of the "18th National Congress" spirit. It is a crucial year for the implementation of the 12th Five-Year Plan. It is a year that lays a solid foundation for building a well-to-do society in an all-round way, but it is also a Chinese economy and industry. All face many risks, difficulties and uncertain periods. The rubber industry needs to analyze the situation, clarify the thinking, and seek advantages and avoid disadvantages, adjust the transformation, improve the quality and efficiency of economic operation, and make progress in stability to ensure the steady and healthy development of the industry. Recognize the development of the industry From an international perspective, China's development is still in an important period of strategic opportunities, but the international environment has undergone great changes. In 2013, the world economy is still in a period of deep adjustment, the world economy will continue to grow at a low rate, international demand will be weak, and trade protectionism will intensify in various situations, which will increase pressure on the foreign trade of the Chinese rubber industry. Developed countries will return to the manufacturing industry. The competition for industrial transfer in developing countries also causes double “squeezing†to the Chinese rubber industry; the low-carbon economy leads the way of development and becomes an international new rule. Chinese rubber companies are no longer faced with the traditional opportunity of simply integrating into the global division of labor system and expanding product exports; instead, they are forcing new opportunities and new challenges for enterprises to improve their innovation capabilities and promote transformation and upgrading. From a domestic point of view, the contradictions between the downward pressure on China's economic growth and the relative surplus of production capacity are still outstanding. The factors that underpin the rapid growth of China's rubber industry have weakened, and the labor, resources, and environmental costs have all increased. The international and domestic demand is weak. In the economic cycle in which time is still to be seen, the rapid growth of the rubber industry as it has in the past will be very difficult to occur; the investment-driven, scale-up, and export-oriented development models we are familiar with are all undergoing major changes, and the old development models have become more space. The smaller the industry, the industry has entered a period of major adjustment and transformation. Industry adjustment needs to grasp the direction and focus Recognizing and analyzing the changes facing the development environment and stages of China's rubber industry, we can further see that the rubber industry will face serious external economic environment and its own development contradictions and problems. The industry and enterprises must grasp the direction and focus of adjustment and transformation. First of all, we must strengthen our ability to independently innovate and shift our development from scale expansion to quality improvement and efficiency. Over the years, China's rubber companies generally suffer from low technical levels, weak product development capabilities, and low-tech, low-grade, low-value-added, homogenous competition. In the period of rapid economic growth and good market demand, the contradiction between supply and demand is often obscured. When the economic growth rate has dropped and the domestic and foreign markets have slumped, the structural surplus of production capacity has exceeded the contradiction of supply exceeding demand. In 2012, the operating rate of large-sized tire enterprises was about 95%, the operating rate of medium-sized enterprises was about 75%, and that of small-sized enterprises was about 60%. The operating rate of enterprises was generally insufficient. However, it is worth noting that, according to preliminary statistics, in 2012, China's semi-steel tires will have an annual production capacity of about 50 million pieces, and all steel tyres will have an annual production capacity of about 10 million pieces. If the demand for tires in 2013 cannot be enlarged by more than 10%, the operating rate of Chinese tire companies will be lower than in 2012. In addition, in 2013, there were a number of tire construction/expansion projects that were successively completed. The structural surplus of the Chinese tire industry was even more pronounced. In addition, hose tape and other rubber products are also the same. In the state of oversupply, the investment intensity has not diminished, and Xinjiang projects have been continuously put into production. In the past two years, more than 10 large-scale hose tape companies have been newly built or put into operation successively, and the steel wire rope production line has exceeded one hundred, and only the steel wire rope production line in Shandong has exceeded 50. The expansion of production capacity can be achieved from small to large, but it cannot be changed from big to strong. Therefore, we must focus our development on scaling up, shifting to improving quality and efficiency, and making a fuss about innovations in technology, marketing, management, etc. We must increase investment in R&D, enhance our capacity for independent innovation, eliminate backward production capacity, and research and develop high-tech products. Increase the value chain, increase product added value, increase efficiency, enable catch-up drive and element-driven economy, and shift to quality-effectiveness and innovation-driven economy. By increasing quality and efficiency, we can win longer-term sustainable development instead of relying mainly on scale-up. Secondly, to promote the industrialization of “ green tires â€, this is in response to the implementation of EU tire labeling regulations, and it is an important part of accelerating tire quality upgrades and structural adjustments. At present, the China Rubber Association has proposed the "Green Tire" Industrialization Program (Draft for Soliciting Opinions) and discussed the development of the "Green Tire Industry Development." It has basically formed the "Green Tire" product target requirements and the green tire recommended process conditions. , green tire energy and resource indicators, green tires, environmental protection raw materials recommended guide directory, etc. 5 preliminary views. In order to promote the industrialization of green tires in an orderly manner, it is recommended that the “Green Tire†voluntary declaration system be introduced first. The voluntary declaration of technical indicators should include tire rolling resistance, tire wet skid resistance, and tire noise. Then it went up to national regulations and introduced China's "tire labeling system." Tire industry development requires the country to "open the way" In order to promote the development of “green tiresâ€, it is recommended that the state give incentives to pioneers in the production of green products, and introduce similar subsidies for electric vehicles or related policies for energy conservation and emissions reduction. To promote the use of "green tires", it is recommended that relevant departments should further promote and coordinate the "green revolution" of the industries related to the tire industry. If the automobile industry is encouraged to increase the proportion of demand for "green tires" and strengthen the management of irrational road transport status, the "green tires" can play its due role. The construction of a tire testing ground is a necessary condition for realizing the industrialization of "green tires", and it is also a demand for China's tire adjustment structure, product upgrades, and a shift from a big tire country to a tire power country. At present, in order to cope with the European Union's "Tire Labeling Act," most tire companies can only choose testing institutions of EU member states. Their high testing costs and long cycle time have a significant impact on domestic tire exports. At present, some tire companies in China have already spent as much as tens of millions of dollars. Not only that, no tire testing ground has become an insurmountable bottleneck for Chinese companies’ independent innovation. Compared with international famous brands, the biggest problem for Chinese companies is the lack of scientific and technological development and independent innovation capabilities. There is no data obtained from the actual use of tests in tire testing sites, which seriously restricts the development of Chinese tire high-tech products and the improvement of independent innovation capabilities. The construction of China's tire testing ground requires the enthusiasm of the industry and the enterprise. It also requires the government's attention and support in policies, projects, and funds.
Polyacrylamide (PAM) is a water-soluble polymer, which is insoluble in most organic solvents, has good flocculating properties, can reduce frictional resistance between liquids, Can be divided into non-ionic, anionic, cationic and amphoteric four types.
When PAM is used for flocculation, it is related to the surface properties of the species being flocculated, especially the potential, viscosity, turbidity, and pH of the suspension. The kinetic potential of the particle surface is the reason for particle inhibition. Can reduce the potential and condense.
Granular polyacrylamide flocculant cannot be directly added to sewage. It must be dissolved in water before use, and its aqueous solution are used to treat sewage.The water in which the particulate polymer is dissolved should be clean. Generally tap water is suitable for formulating polymer solutions. Strong ACID, strong alkali, high salt water is not suitable for preparation. Water at room temperature is ok, no necessary to heat. Dissolution is slow when the water temperature is below 5 ° C. Increasing the water temperature will accelerate the dissolution rate, but above 40 ° C will accelerate the degradation of the polymer and affect the use effect. The solution concentration is recommended to be 0.1% -0.3%.
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