High-efficiency and energy-saving potassium titanate whisker preparation method
A potassium titanate whisker, high-efficiency and energy-saving technology, applied in the field of material chemistry, can solve problems such as waste of energy, low production efficiency, harsh preparation conditions, etc., to achieve improved energy utilization, excellent thermal insulation performance, and complete crystal structure Effect
Active Publication Date: 2011-02-02
马玉馨
17 Cites 21 Cited by
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The invention discloses a high-efficiency and energy-saving potassium titanate whisker preparation method, which comprises: firstly, mixing and grinding a titanium raw material and a potassium raw material, and preheating; and secondly, calcining, crushing, absorbing and desorbing moisture, converting potassium ions, forming and obtaining pure white potassium titanate whiskers. In the invention, potassium dititanate is crushed by a machine, the moisture absorption and desorption speed is improved, and the production efficiency is improved considerably; through heat recycling, the energy consumption is reduced greatly; heat generated in a high-temperature area is used in a preheating kiln and a constant-temperature moisture absorption and desorption kiln, the structural integrity of the crystals and the utilization rate of raw materials are improved, and the high-efficiency and energy-saving preparation of potassium titanate whisker is realized; and a quantitative injection mode is used to realize the quantitative digestion conversion of the potassium ions, so the effective control of different whiskers is realized and the obtained whisker products have complete crystal structure and contain white crystals with flaky, lamellar or needle-like shapes. The product can be widely used in fields of thermal insulation, reinforcement, corrosion prevention, toughening and the like.
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