【摘要】 研究设计的新型喷射装置有独特的喷头结构和形状 ,用于金属管道内壁喷砂除锈 ,质量达到瑞典工业标准Sa2 5级 ,效率达到 30m2 /h以上 ,喷嘴寿命接近 1 0 0 0h ;在喷砂除锈的同时能在金属管道表面形成一定的表面粗糙度 ,从而提高了涂覆防腐层的附着强度。与传统的酸洗除锈工艺比较 ,应用该新型喷射装置进行喷砂除锈 ,综合优越性突出 ,可望在石油、化工、造船、冶金、机械等领域内得到广泛应用。更多还原

【Abstract】 It designs a new type of cleaning device, with which the rust of metal pipe internal wall can be eliminated. The cleaning quality reaches the class Sa2 5 of Swedish Industry Standard the efficiency surpasses 30m2/h, and the life of its nozzle overtakes 1 000 hours. Because of its unique structure and excellent spray quality, this can be used in many fields such as oil and chemical industry, shipbuilding and machine engineering etc.更多还原