[China Aluminum Industry Net] When producing alumina by the alkali method, the aluminum ore is treated with alkali (NaOH or Na2CO3) to convert the alumina in the ore to a solution of sodium aluminate. Impurities such as iron and titanium in the ore and most of the silicon become insoluble compounds. The insoluble residue (red mud) is separated from the solution, discarded after washing or subjected to a comprehensive treatment to recover the useful components therein. According to the inspection of the Chinese New Year, Zhisheng Weihua high-temperature anti-corrosion coating expert pointed out that pure sodium aluminate solution can be used to separate aluminum hydroxide solution. After separation, washing and calcination, alumina products are obtained, and alumina is produced by aluminum electrolysis Al.
Do a good job in the research and development of smelting anti-corrosion coatings to improve the anti-corrosion performance of anti-corrosion coatings. The purpose of smelting anti-corrosive paints and anti-corrosion paints is to be able to withstand the long-term industrial production and corrosion-resistant technical requirements of coated objects, and to protect the substrate from corrosion and long-lasting coatings. Zhisheng Weihua anti-corrosion coating technical engineer pointed out that industrial anti-corrosion coatings should have excellent corrosion resistance, heat resistance, meet industrial production and safety technology needs, meet the industrial equipment requirements of mechanical strength, flexibility, with long-term acid and alkali resistance . Demand for industrial anti-corrosion coatings continues to rise, and anti-corrosion coatings meet the industry's basic table requirements.
Good industrial smelting and anti-corrosion coatings are mainly used in the chemical and petroleum industries, railways, highways and bridges, metallurgical industries, power and energy industries, machinery and textile industries, aerospace, ocean water, automotive machinery, shipbuilding and container industries. In the industries of chemical industry, petroleum, food, and light industry, the vast majority of equipment and pipelines are corroded due to the presence of corrosive media, and the concentration and temperature of corrosive media change at any time, so corrosion is severely smelted. Weihua ZS series anti-corrosion coatings are suitable for anti-corrosion requirements on various industrial equipment. They are made of various anti-corrosion materials to make coatings or linings. They can completely isolate metal equipment from corrosive media, prevent corrosion and abrasion of equipment, and improve equipment. Corrosion resistance, wear resistance, safety and long life.
The research and development of China's Zhisheng anti-corrosion coating has developed rapidly. Based on the traditional Chi Sheng anti-corrosion coatings, many new anti-corrosion coatings with excellent performance have been developed and applied in practical projects. Practice has proved that these Shengweihua's new type of anti-corrosion coating has excellent performance. Some varieties have met or exceeded the same kind of coatings abroad. China's large-scale anti-corrosion coating company, Beijing Zhisheng Weihua Chemical Co., Ltd., in the research and development of inorganic anti-corrosion coatings, the company has spent more than 10 years of research and development of inorganic polymerization technology has been at the forefront of the world, Beijing Zhisheng Weihua Chemical Co., Ltd. developed the ability to survive 2300 °C high temperature corrosion ZS-811 high temperature anti-corrosion coating, anti-fire directly anti-corrosion; ZS-822 high-temperature ceramic composite anti-corrosion coating, temperature can reach 1400 °C, high temperature anti-oxidation ability, high purity and no volatile, it can withstand strong solvents and mixing Solvent long-term immersion; ZS-833 flexible high temperature ceramic anticorrosive coating, with good ceramic and good flexibility, suitable for corrosion under special conditions; resistant to hydrofluoric acid resistant to hydrofluoric acid ZS-1033 anticorrosion Coatings; ZS-1041 flue gas anti-corrosion coating that can withstand high temperature flue gas and smoke condensate water; ZS-1042 anti-corrosion coating for desulfurization, strong corrosion resistance, abrasion resistance and thermal shock; able to withstand seawater and seawater wet Gas Corrosion ZS-711 Inorganic Anti-corrosion Coatings; Can Add Heat Exchanger Anticorrosion Coatings Acid Resistant Coating ZS-722 Thermal Conductive Anticorrosion Coatings; Resists Corrosion Under Strong Friction Impact ZS-10 31Abrasion-resistant and anti-corrosion coatings; ZS-821 ceramic anti-corrosion coatings that can withstand corrosion and corrosion of ethers, fluorines, and oils; ZS-1034 resistant to most acid-base corrosion, salts, solvents, and intermediate media. Acid-base anti-corrosion coating; resistant to nitric acid, concentrated sulfuric acid, concentrated hydrochloric acid strong oxidation corrosion ZS-1032 resistant to oxidation and anti-corrosion coating; ZS-1023 oxidation resistant anti-corrosion coating resistant to oxidation corrosion at high temperature of 3000°C, above Zhisheng anti-corrosion coating Different anticorrosive coatings are used under different acid and corrosion resistance conditions. It can be used to protect the surface from contact with strong chemicals. Zhisheng Weihua has successfully developed these various Zhisheng anti-corrosion coatings with high technological content, wide application prospects, and promising market prospects. Zhisheng Weihua is also an expert in the Zhisheng anti-corrosion industry. Can be used under harsh conditions and has long-lasting antiseptic life. Zhisheng anti-corrosion coatings can generally be used in chemical atmospheric and marine environments for 10 years or more, even in acid, alkali, salt, and solvent media, and in Under certain temperature conditions, it can also be used for more than 5 years.
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