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Since the beginning of this year, the China Magnesium Salt Branch of the Inorganic Salt Association has taken the low-temperature pyrolysis process of magnesium carbonate as the focus of energy-saving and emission reduction work in the industry. The production of magnesium carbonate by dolomite carbonization is the mainstream process route in China, and also the leading domestic magnesium salt industry. The energy consumption of this process pyrolysis process accounts for more than 60% of the total energy consumption, which is the key to energy conservation and consumption reduction in the industry. The magnesium salt branch organizes Hebei University of Science and Technology, Hebei Mianhe Magnesium Salt Chemical Company and Shijiazhuang Saide Machinery Co., Ltd. to carry out joint research of production, research, and research. At present, industrial trials of magnesium salt low-temperature pyrolysis process technology have been completed. The test results show that the new technology reduces the pyrolysis temperature by 40°C, the energy consumption in the pyrolysis process is reduced by half, and the total energy consumption per unit product is reduced by about 30%. In the next step, the Inorganic Salt Association will promote this energy-saving technology in the magnesium salt industry.
At present, China has become the world's largest producer and consumer of inorganic salts, but the problem of high energy consumption and high pollution in the product structure is quite serious. In the country to vigorously carry out energy-saving emission reduction, especially since July 1 this year, after the full cancellation of export rebates of inorganic salt products, the industry's task of energy-saving emission reduction and structural adjustment is very urgent. The meeting proposed that the magnesium salt industry should introduce product energy consumption quota standards and industry access regulations as soon as possible to curb low-level redundant construction, vigorously eliminate backward production capacity, and must make product refinement, specialization, and high added value as the only industry development. direction.
Inorganic salt has achieved breakthrough in energy saving and consumption reduction
The reporter learned from the magnesium salt industry energy conservation and environmental protection technology information exchange meeting held in Jinan on August 30th that the domestic inorganic salt industry has made new breakthroughs in the energy saving and consumption reduction of magnesium salt production. China's inorganic salt industry association organized the low-temperature pyrolysis process technology of magnesium salt to achieve a successful industrial test, which reduced production energy consumption by about 30%.