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实用新型
CN201082901Y 防止钝化斑迹的钝化槽 失效 - 权利终止

防止钝化斑迹的钝化槽
摘要：
本实用新型涉及一种钝化设备，特别涉及一种钝化带钢用的喷淋挤干钝化槽。一种防止钝化斑迹的钝化槽，包括槽体以及设置在槽体内的三对挤干辊和两对喷淋管，第一对挤干辊安装在槽体入口处，第二、第三对挤干辊分别设置在第一、第二对喷淋管后端，各对挤干辊均分为上挤干辊和下挤干辊，各对喷淋管也均分为上喷淋管和下喷淋管；第一对上、下两个喷淋管喷射角度分别对准第二对上、下两个挤干辊与带钢的接触线位置或接触线旁，第二对上、下两个喷淋管喷射角度分别对准第三对上、下两个挤干辊与带钢的接触线位置或接触线旁。本实用新型对带钢表面涂液均匀，大大降低钝化后产生斑迹现象。
摘要（英）：

The utility model relates to a passivating device, and particularly relates to a spraying and drying passivation groove for passivating steel strips which is also a passvation spots-free passivation groove comprising a groove body and three pairs of drying rollers and two pairs of spraying pipes, where in the first pair of drying rollers is arranged at the entrance of the groove body, and the second pair and the third pair of drying rollers are respectively arranged on the rear ends of the first pair and the second pair of spraying pipes. Each pair of drying rollers consists of an upper drying roller and a lower drying roller, and each pair of spraying pipes consists of an upper spraying pipe and a lower spraying pipe. Spraying angles of the first pair of upper and lower two spraying pipes are respectively aiming at the contact lines or sides of the contact lines of the upper and lower two drying rollers and a steel strip. Spraying angles of the second pair of upper and lower two spraying pipes are respectively aiming at the contact lines or sides of the contact lines of the upper and lower two drying rollers and the steel strip. The utility model can coating liquid uniformly on the surface of the steel strip, thereby greatly reducing spots produced after passivation.

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