The fluorinated mica crystals have very good
high temperature resistance, corrosion resistance and light transmission
properties, and can work for a long time at a high temperature of 1100°C.
No reaction occurs
with strong acids and alkalis; complete light transmittance (pure and
transparent). The natural mica plates traditionally used in the observation
window of high-pressure boiler water level gauge are all brown, and the light
transmittance is not good, and the temperature resistance is in the range of
200-700°C, especially the corrosion resistance is poor. The boiler steam drum
water in thermal power plants contains alkali. After reacting with natural mica
and alkali, it is washed with hot air and hot water, and it is prone to
fluffing, scaling, and being broken. In the short term (about 1-2 months), the
water level is not clearly understood. After being broken, it can easily cause
leakage. The fluorite mica does not react with the acid-base solution, and does
not react with water in the hydration reaction, so that it does not form a
layer, does not scale, and does not break. In the long-term (2 to 3 years)
scouring of high-temperature and high-pressure water (including acid and
alkali), the original clarity and transparency can still be maintained. In
China, it has been widely applied to the observation window of steam boiler
water level gauge in high-pressure boilers of thermal power plants. It has also
been selected by Japanese BBK company and NDK (Colin) company for the
observation window of high pressure boiler drum level gauge.
High Temperature Mica Gasket,High Temperature Gaskets,High Temperature Gasket Material,High Temperature Insulation Materials Changchun City Taiyuan FluorphlogopiteCo. Ltd. , https://www.micaslice.com
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.
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%.