Coal gangue is researched and used as a solid expend with great quantity and also a recycling resource, in construction, metallurgy, light industry and chemical industry. Coal gangue was activated by means of calcination in seven temperature ranges. Nowadays, coal gangue is mainly industrious to make general building physicals, high-grade building ceramic roofing tiles, coating materials and fillings, high value-added products, and stuffing in road building.The ceramic tile has been one of buildings decorate materials since a huge time. Kaolinminerals is lovesome material of ceramic tile.According to statistics, output of our state of matter ceramic tile achieves 171.5 million square meters, account for 2/5 of worlds output in 2002 year. With developing science engineering improving and administer level advancing, quality and variety of our country ceramic tile has very changed. But clay raw material of ceramic tile increase losing of cultivated land, we must(prenominal) look for new raw material of ceramic tile as quickly as possible. Owing to compare to clay, raw material of kaolinminerals-high-aluminum-coal gangue possess higher hardness, therefore, traditional inhibition technics give bring about consuming more energy and move cost of tile.

The atomise technology can reduce crushing strength of coal gangue, milling expenditure, economy energy, reducing cost.This paper indicates that traditional milling technics need 4.00 hours when coal gangue is milled to 325 without zap radiation. The milling only needs 55.00 minute after microwave radiation 5.00 minute. So, microwave radiation pre-crushing coal gangue raw material can save 1/2 of electrical recompense in actual project per year. Under the situation of deficient energy, mining machinery equipment manufactory is paying more attention on high efficiency and energy saving. Henan Hongxing Machinery takes notice on modify and promotion of mining machinery equipment, and its HGM series medium-speed micro-powder making machine is the new... If you need to get a full essay, order it on our website:
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