A new way of cleaner production in the foundry industry

Clean production and sustainable development in the foundry industry has become one of the hot topics in today's society, and it is also the top priority of today's environmental issues. The foundry industry is a major resource resource and environmental pollution, and has encountered unprecedented challenges. Therefore, traditional casting continuously absorbs high-tech and forms a series of advanced casting technologies. Casting production methods continue to develop in the direction of high efficiency, high intelligence, high flexibility, cleanliness and intensification. Casting production from material synthesis to forming, the process is complex, coherent, a wide variety of raw and auxiliary materials, is a systematic project. Casting is also a major energy and material consumer, with poor working conditions and serious environmental pollution. Therefore, it is imperative for the foundry industry to take the road of intensive clean production. China lacks scientific rules and management for the foundry industry, with extensive development and plant sites small and scattered. There are widespread problems such as poor overall quality of castings, low production efficiency, and poor technical and economic benefits. In particular, it is worth noting that the government and the industry have not paid enough attention to it. Vigorously promote and promote intensive casting, clean production has become an urgent need in China.

Overcoming the so-called extensive intensification is to increase the output of talents, technology and wealth, especially quality, scientific management and management to obtain greater output and social and economic benefits. Intensification relies on the government to play a leading role, and enterprises as the main body.

The foundry relies on scientific and technological progress and adopts advanced casting technology to make casting continuously from experience and skill to scientific advanced casting technology. The main features are melt clean, fine casting structure (high performance) and smooth surface, high dimensional accuracy (less, no cutting). It can be called a precision clean casting process.

The World Environment and Development Agenda 21 emphasizes the sustainable development strategy of human society and economy and proposes the concept of cleaner production. Standing in the long-term perspective of human society and enterprises, the environment and development must be highly unified. To be sustainable, production under environmental protection, energy saving and consumption reduction is the last word. As producers and operators, the cleaning of production objects must be taken seriously, otherwise enterprises cannot survive and develop. The so-called cleaning production (CleaningProduction) should be, the rational use of resources, the minimum use or use of renewable materials and energy, cleaning processing (CleaningProcessing). From product design, raw materials to production, using science, advanced technology, technical equipment and management, prevention-oriented, production process control, production of comprehensive quality products. The products produced are energy-saving, reducing consumption, less pollution, safe, reliable and long-life in the whole process of processing and application. The production site and the environment are safe, clean, comfortable, quiet, and the emissions are less harmful, non-toxic, small in quantity and maximized recycling applications (near zero emissions). Promote preventive intensive pollution control systems. This will result in lower overall production costs and better economic returns. Cleaner production will bring two fundamental changes to the environment. (1) From the end treatment to the real defense, promote the rational consumption of resources: (2) the production mode, from extensive to intensive, making environmental protection and development coordination possible, applying advanced technology and equipment to achieve environmental protection plus Efficiency, emphasis on environmental protection is also quality.

Cleaner production will become a top priority in the 21st century world economic development strategy. The international "extraordinary conflict" may rewrite the 21st century international trade pattern. Industrialized countries rely on advanced technology to replace “non-tariff barriers” with “green barriers” to curb the entry of products from developing countries into the international market. For this reason, enterprises must take the initiative to clear the barriers to cleaner production. Clean production is not only necessary for enterprises to save energy and reduce consumption, reduce pollution, reduce costs and improve efficiency. It is also necessary to break through the green barriers set by industrialized countries and firmly occupy the international market. This is also a visionary entrepreneur who has taken the initiative to invest heavily in clean production technology and development of "green" products and the implementation of international corporate standards.