10
2017
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10
State Council: The building materials industry should promote the use of chromium-free refractory materials
Source： Ke Chuang Xin Cai
Release time：2017-10-10 10:43
The State Council recently issued the "Guiding Opinions on Promoting Steady Growth, Structural Adjustment, and Efficiency Improvement in the Building Materials Industry", which makes specific arrangements for resolving overcapacity in the cement and flat glass industries in the coming period, accelerating the transformation and upgrading of the building materials industry, and promoting cost reduction and efficiency improvement for building materials enterprises to achieve development out of difficulties. The Opinions propose that to reduce costs and increase efficiency, the building materials industry should implement green and intelligent development, one measure of which is to promote the use of chromium-free refractory materials.
The State Council's General Office recently issued the "Guiding Opinions on Promoting Steady Growth, Structural Adjustment, and Efficiency Improvement in the Building Materials Industry," outlining specific plans for addressing overcapacity in the cement and flat glass industries in the coming period, accelerating the transformation and upgrading of the building materials industry, and helping building materials enterprises reduce costs, increase efficiency, and achieve sustainable development.
The Opinions propose that to reduce costs and increase efficiency, the building materials industry should pursue green and intelligent development. One measure is to promote the use of chromium-free refractory materials.
In the cement kiln burning zone, magnesia-chromium bricks are commonly used as lining materials. However, under high-temperature, alkaline, and oxidizing atmospheres, Cr3+ in magnesia-chromium bricks can transform into water-soluble Cr6+, which severely damages human skin and mucous membranes, causing papules, ulcers, nasal septum perforation, and respiratory inflammation. It can also cause skin cancer and lung cancer. Therefore, the development and promotion of chromium-free refractory materials are very meaningful and necessary, and the chromium-free conversion of refractory materials will also be an important research and development direction for refractory materials in the future.
Source: Luoyang Kechuang New Materials Co., Ltd.: https://www.kcnh.com/
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