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采用焊补及喷涂技术修复罗茨鼓风机的实践１９８７年我厂硫酸车间生产能力由７ｋｔ／ａ扩大到１５ｋｔ／ａ。改造后的炉前风机仍采用原主鼓风机（Ｄ３６×６０－８０／３５００）。１９９５年５月２７日，该风机的转子产生严重的摩擦撞击声，停机检查，找出原因是该机的主...
The use of welding and spraying technology to repair Roots blower practice 1987 factory production capacity of sulfuric acid plant from 7kt / a expanded to 15kt / a. After the transformation of the furnace fan is still the original main blower (D36 × 60-80 / 3500). May 27, 1995, the fan rotor produces serious friction impact sound, stop checking to find out the reason is that the machine’s main ...