China's foundry industry should adopt the development model of circular economy
Published:
2018-12-12
Adopting the development mode of circular economy and establishing a resource-saving and environment-friendly foundry industry is an important way to reduce energy consumption.
China's foundry industry should adopt the development model of circular economy
Adopt the development model of circular economy, the establishment of resource-saving, environment-friendly foundry industry is an important way to reduce energy consumption. Various industrial furnaces in the casting production process are the major consumers of resources and the source of environmental pollution. Full use of the casting production process of the furnace kiln waste heat can reduce energy consumption. For example, a factory in Shandong introduced the cupola waste heat into the drying room to dry the castings after painting, achieving the effect of energy saving. Use of cupola waste heat to heat domestic water. According to the German saying: garbage is a misplaced object. Waste reduction, reuse, recycling and remanufacturing in foundry production should be given full attention. It is reported that the cost of dumping a ton of waste sand is higher than the cost of buying new sand, and the regenerated sand is not inferior to the new sand in all indicators. According to the current domestic price of new sand and regenerated sand cost for comparison, regeneration cost is only one-third of the new sand. A large number of slag after granulation can be used as raw materials for the production of cement is a good way to reduce pollutant emissions.
For more than 20 years, the development of China's foundry industry mainly relies on cheap labor and domestic resources, energy, a large number of even excess input to achieve. With the rapid development of China's economy, expanding the scale of domestic energy, resources, ecological constraints on economic growth with each passing day, the development of the foundry industry is also facing a series of major challenges. If still in accordance with the past sloppy, high growth, at the expense of resources and the environment to go down the road is certainly not going to work. China has steadily for six consecutive years in the position of a large producer of castings. However, from China's foundry industry is facing increased energy constraints, increased pressure on environmental safety, increased competition in the international foundry community and intellectual property protection to strengthen the situation, China's foundry to change from a large country to a strong country, to reduce energy consumption by 20% in 5 years, to reduce pollutant emissions by 10%, the only way to rely on innovation and improve the quality of practitioners, by establishing a harmonious manufacturing concept, by developing a circular economy to have hope! .
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