Anti-dissipation dust collecting device for lead and lead alloy smelting

The utility model relates to the technical field of smelting dust collection equipment, in particular to an anti-dissipation dust collection device for lead and lead alloy smelting, which comprises an annular cover body, the annular cover body is covered above a base, and the base is welded at an opening of an external smelting boiler; a negative pressure connecting pipe opening, an operation opening, a first air inlet grid and a second air inlet grid are sequentially arranged on the annular cover body in the clockwise direction, and an equipment mounting groove is formed in the top of the annular cover body. The anti-dissipation dust collection device for lead and lead alloy smelting has good air tightness. 本实用新型涉及冶炼收尘设备技术领域，特别涉及一种铅及铅合金冶炼用防逸散收尘装置，包括有环形罩体，所述环形罩体罩设在一基座的上方，所述基座焊接在外部熔炼锅炉口处；在所述环形罩体上沿顺时针方向上依次依次设有负压连接管口、作业口、第一进气栅、第二进气栅，在所述环形罩体的顶部开设有设备安装槽。本实用新型的一种铅及铅合金冶炼用防逸散收尘装置，其具有良好的气密性。