一种阳极泥硫酸化焙烧蒸硒尾气处理装置

Abstract

本实用新型适用于金属回收技术领域，提供了一种阳极泥硫酸化焙烧蒸硒尾气处理装置，包括处理箱、设置在处理箱内部的过滤仓和搅拌组件以及设置在过滤仓四角处的限位条，所述处理箱上设有进气管，所述过滤仓包括构造框以及覆盖构造框设置的过滤网，所述构造框由多个构造横杆、构造竖杆和构造纵杆连接而成，所述构造纵杆一侧设有滑条，所述滑条滑动设置在限位条内部。该装置解决了焙烧产生的烟气呈无组织排放，不便于将烟气中的SO2还原成单体粗硒以及吸收废液难以与单体硒分离的问题，达到了将焙烧产生的烟气与水溶液反应，生成单体粗硒后将剩余吸收废液与单体粗硒分离便于后续分别进行处理的的效果。

Claims

1. A device for treating the tail gas of the sulfuric acid roasting of anode slime to evaporate selenium, characterized in that: The equipment includes a processing box (1), a filter chamber (3) and a stirring assembly (4) located inside the processing box (1), and a limiting strip (2) located at the four corners of the filter chamber (3). The processing box (1) is provided with an air inlet pipe (14). The filter chamber (3) includes a structural frame (31) and a filter screen (33) covering the structural frame (31). The structural frame (31) is composed of multiple structural horizontal bars (311), structural vertical bars (312) and structural longitudinal bars (313) connected together. A sliding bar (32) is provided on one side of the structural longitudinal bar (313). The sliding bar (32) is slidably located inside the limiting strip (2).

2. A device for treating the tail gas of the anode slime sulphatizing roasting and distilling selenium, according to claim 1, characterized in that: The filter chamber (3) has a top-open structure. Except for the top, the other planes of the filter chamber (3) are covered with filter screens (33). Handles (34) are provided on the two structural vertical rods (312) located at the top of the filter chamber (3).

3. A device for treating the tail gas of the anode slime sulphatizing roasting and distilling selenium, according to claim 2, characterized in that: The structural crossbar (311) is arranged along the X-axis, the structural vertical bar (312) is arranged along the Y-axis, the structural longitudinal bar (313) is arranged along the Z-axis, and the slide bar (32) is arranged along the Z-axis.

4. A device for treating the tail gas of the anode slime sulphatizing roasting and distilling selenium, according to claim 1, characterized in that: The limiting bar (2) includes a fixing part (21), an abutting part (23) that abuts against the slide bar (32), and a bent part (22) that connects the fixing part (21) and the abutting part (23). The abutting part (23) has a groove (24) inside which the slide bar (32) can slide.

5. A device for treating the tail gas of the anode slime sulphatizing roasting and distilling selenium, according to claim 4, characterized in that: The fixing part (21) is installed on the inner wall of the processing box (1), the abutting part (23) is set perpendicular to the installation direction of the fixing part (21), and the bending part (22) is an L-shaped structure with one end connected to the fixing part (21) and the other end connected to the abutting part (23).

6. A device for treating the tail gas of the anode slime sulphatizing roasting and distilling selenium, according to claim 5, characterized in that: The abutting part (23) is provided with a first abutting wall (231) and a second abutting wall (232) that abut against both sides of the slide bar (32), and a groove (24) is formed between the first abutting wall (231) and the second abutting wall (232).

7. A device for treating the tail gas of the anode slime sulphatizing roasting and distilling selenium, according to claim 1, characterized in that: The processing box (1) has a fixed cover (11) on one side of its top and a rotating cover (12) on the other side. An air inlet pipe (14) is provided on the rotating cover (12). A water inlet pipe (15) and a drain pipe (16) are provided on the side wall of the processing box (1) away from the rotating cover (12).

8. A device for treating the tail gas of the anode slime sulphatizing roasting and distilling selenium, according to claim 7, characterized in that: The stirring assembly (4) includes a motor (41) mounted on the top of the fixed cover (11), a rotating shaft (42) extending downward through the fixed cover (11), and a stirring blade (43) arranged around the rotating shaft (42). A connecting rod (44) is provided between the stirring blade (43) and the rotating shaft (42).

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