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The Nanjing Municipal Government held an on-the-spot meeting to accelerate the promotion of modernization (Pukou and Liuhe), and the municipal government issued the “Opinions on Accelerating the Transition from Nanjing Chemical Industry Park to a Circular Eco-Industrial Parkâ€.
Yang Weize, secretary of the Nanjing Municipal Party Committee, requested that the most stringent industry access standards be formulated, and that domestic-funded projects in the new projects in the Chemical Park must reach the domestic advanced level; all foreign-funded projects must reach the world's advanced level; and those that do not meet the development orientation of the park and do not have the conditions for transformation should be "Two high and two low" enterprises will be shut down according to law. Li Shigui, secretary of the Liuhe District Party Committee, said that the second row of 73 companies with “three highs and two lows†will be shut down within the year as scheduled.
The Opinions require that the Nanjing Chemical Industry Park should be accelerated to transform into a recycling-type eco-industrial park. The first-class chemical industry park should be used as a benchmark for transformation, highlighting the ecological environmental protection mechanism, and accelerating the growth of the park. Investment-driven investment and innovation Drive simultaneous change; the industrial structure will change from traditional basic chemicals with high emissions and high consumption to green chemicals and emerging industries with low consumption, low emission, and high efficiency; the ecological environment will be controlled from environmental pollution to ecological protection. The transformation was forced to transform, forming a good development pattern of intensive and efficient green production, a high concentration of scientific and technological talents, and an overall improvement in the quality of the ecological environment.
According to the Opinions, by 2015, Nanjing Chemical Industry Park will achieve a regional output value of over 300 billion yuan, and the contribution rate of high-tech products and the contribution rate of scientific and technological progress will reach more than 60%, and the regional R&D investment will account for 5% of the regional GDP; The comprehensive energy consumption of industrial added value was more than 50% lower than that in the “Eleventh Five-Year†period, less than 2.5 tons of standard coal, the chemical oxygen demand emission intensity per unit of industrial added value was less than 1.2 kg, and the sulfur dioxide emission intensity per unit industrial added value was less than 4.5. Kilograms; regional green coverage rate reached more than 40%, comprehensive strength entered the first square of the development zone in the province; strived to become the province's transformation and upgrading demonstration zone, chemical technology talent core area, and green development leading area, creating a national-level eco-industrial park and National circular economy demonstration area.
Machinery shell with gearbox shell processing
Machinery for typical gearbox shell body parts, main processing plane and hole system, to ensure that the size of the hole in the process of machining precision and position accuracy, handle the relationship between hole and plane. Should follow the principle of surface before hole, namely first processing box on the datum plane, and then to datum plane positioning processing other plane, then processing hole system. Because of the planar area is large, with its positioning can ensure reliable positioning, clamping and firm, and therefore easy to guarantee machining precision holes. Secondly, cut off the casting surface uneven, create conditions to improve the machining precision of holes, facilitate and adjustment of the knife, is conducive to protect the cutting tool. Processing technology should also follow the principle of separate rough finish machining.
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