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Light burned magnesia powder will become the main development direction in the future

2019-07-18
Times

Light burned magnesia powder is a small man-made block for construction. Also known as light fired magnesia powder sintered brick. Solid clay refractory brick is one of the ancient building materials in the world. From the mausoleum of Qin Shihuang in Shaanxi to the great wall of Ming and Qing Dynasties in Beijing, it has inherited the architectural civilization history of the Chinese nation for thousands of years. So far, it is still a building material loved by Chinese people. Clay refractory brick is made of local materials, cheap and durable. It also has the advantages of fire prevention, heat insulation, sound insulation and moisture absorption. It is widely used in civil engineering. Olive sand


However, the large-scale production of clay refractory bricks has caused damage to the cultivated land area in China. China's per capita cultivated land resources are less than 40% of the world average, but 700000 mu of good farmland will be damaged a year due to the construction of houses in urban and rural areas and the firing of clay refractory bricks. This is a warning issued by the "seminar on new wall materials in 12 southern provinces and cities" held in Nanchang in 2004. In China, wall materials account for about 70% of the whole building materials, of which clay refractory bricks still occupy a leading position in wall materials. The clay resources required for the production of solid clay refractory bricks are more high-quality clay in arable land. Therefore, its damage to land resources can be seen.


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In order to change this traditional firing method that seriously wastes land resources, the "opinions on the development and promotion of new wall materials" jointly issued by the former National Building Materials Bureau and other departments were approved and transmitted as early as 12 years ago, and the "timetable for banning the use of solid clay refractory bricks" was put forward for 170 large and medium-sized cities in China. Shaanxi refractory industry closely followed the national policy guidance, made effective adjustments to the production of clay refractory bricks by refractory enterprises, made great efforts to innovate, used environmental protection materials instead of clay, and strive to achieve the result that the use value is consistent with that of clay bricks.


Downstream demand decreased, and the growth rate of demand for clay refractory bricks decreased. The downstream demand is also affected by the national macro-control, the growth rate of national refractory output slows down, and the new production capacity of steel and cement industries decreases, resulting in a decline in the growth rate of refractory demand.


Therefore, from the perspective of the current policy situation and the industry environment, the structural adjustment of the supply side of light burned magnesium powder has become the focus of the future development of iron and steel, cement, glass and other industries, and the national macro-control is deepening and strengthening. Therefore, it is impossible for these industries to have explosive growth in new production capacity in the near future


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