The foundry industry is an energy and resource-intensive industry. The production of castings consumes a large amount of energy and a variety of raw and auxiliary materials, and a large amount of waste is generated in the casting process.
The foundry industry is an energy and resource-intensive industry. The production of castings consumes a large amount of energy and a variety of raw and auxiliary materials, and a large amount of waste is generated in the casting process. The recycling of waste today is known as the “industrial revolution of secondary materialsâ€. The recycling and reuse of three wastes (waste sand, waste residue, waste gas) in foundry has become the focus of attention of founding workers and environmental experts in various countries.
China's casting production has ranked first in the world for six consecutive years. China's foundry enterprises have more than 26,000, the scale is relatively small, and the technology, equipment and management are relatively backward. Therefore, the total waste emissions of China's foundry enterprises are the world. The largest, its environmental pollution and public hazards are also the largest in the world. A large amount of waste sand and waste slag produced by China's foundry enterprises are discharged into the fields, land, dry wells and riversides. They not only occupy a large amount of land, but also contain harmful elements such as sulfur, phosphorus and mercury in the waste residue, which makes the surrounding residents unable to drink groundwater. A large number of harmful poisonous gases and soots are flying everywhere inside and outside the factory, causing serious air pollution. These have aroused the concern of the whole society and the country, and it is also the responsibility of foundry enterprises. Government departments have repeatedly demanded "energy saving and emission reduction", and the state's emphasis on environmental protection will be further improved, which means that the emission requirements for enterprises should also be improved.
Changji Environmental Protection specializes in industrial environmental management, air pollution control, flue gas desulfurization, denitrification and mercury removal, solid waste treatment, and environmental testing services. Changji CHJ-HT activated carbon filter: It adopts coconut shell activated carbon with high adsorption capacity as adsorbent material, which can be used for filtration of mixed sand dust in casting factory, adsorption of organic waste gas for casting, and purification of exhaust gas from electric furnace. It is a dry exhaust gas treatment equipment. Easy maintenance and no secondary pollution. The unique finished structure design, the same volume adsorption area is increased by more than 50% than similar products, thereby improving the purification efficiency, so that the purification rate can reach more than 90%. Activated carbon has a wide range of sources and low prices. It is the best equipment for purifying exhaust gas.
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Changji Environmental Protection, looking forward to your call, 0532-68863854
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Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
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