喷涂料施工技术（Spraying coating construction technology）.docVIP

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喷涂料施工技术（Spraying coating construction technology）.doc

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喷涂料施工技术（Spraying coating construction technology）

喷涂料施工技术（Spraying coating construction technology） I. main features of spray coating construction technology (1) the wide application of spraying paint has changed the kiln structure of the cement industry, and its performance is reliable and the service life is prolonged. The cement producers dont need to store extra costly special-shaped bricks. (two), spray coating and brick lining compared to no Zhuanfeng, good integrity, abrasion resistance, small thermal conductivity, good energy-saving effect. (three) saving time and cost by using templates or less templates than pouring materials. (four) spray coating construction speed, up to 6-10 tons per hour, construction of vertical distance can be lost to 80 meters high, horizontal distance can be lost to 200 meters away. Therefore, each maintenance time is short, the operation cost is low, and the kiln utilization system is high. Two. Spray coating applied in various parts of NSP cement kiln (1) kiln hood; environment condition The kiln head is positioned at the discharge end of the rotary kiln, and the coal injection pipe extends into the kiln body through the kiln head cover. The part is affected by a certain degree of abrasion, and the surface of the refractory is covered with dust and radiated by fire. The operating temperature is 1100-1200 degrees centigrade. Suggested material 1) mullite spray coating 16 (HR-DGl6) 2) mullite high strength spray coating 18 ((HR, -DG18)) The spray coating is suitable for the bottom wall and the nozzle wall and top. The choice of material depends on the specific conditions. LG-l0 is sprayed with 75mm as the bottom insulation material, and then sprayed with 200-250mm. The anchor hooks used are 1 chromium, 18 nickel, 9 titanium, and 321 stainless steel anchor hooks, with a spacing of 250-300mm. (two) inlet cone (inlet cone); environment condition The feed end of a rotary kiln is usually tapered, and its lining is a complex brick. But because of lining difficult, now generally use cast