Acid filling pot

The acid filling kettle comprises a kettle body and an impurity storage cover, an opening is formed in the top of the kettle body, an acid outlet is formed in the bottom of the kettle body, the impurity storage cover is connected with the acid outlet, a flow guide plate is arranged in the kettle body, a ring piece is fixedly connected in the impurity storage cover, and the flow guide plate is connected with the ring piece. The ring piece and the inner wall of the impurity storage cover are enclosed to form a precipitation space for accommodating precipitated impurities, and the impurity storage cover is provided with a through groove for the guide plate to penetrate out. The acid injection device has the effect of improving the influence on the quality of the storage battery caused by the fact that impurities in sulfuric acid enter the storage battery during acid injection. 本申请涉及一种注酸壶，其涉及蓄电池酸液添加领域，其包括壶身和蓄杂盖，所述壶身顶部设置有开口，所述壶身的底部设置有出酸口，所述蓄杂盖和所述出酸口连接，所述壶身内设置有导流板，所述蓄杂盖内固定连接有环片，所述环片和所述蓄杂盖内壁围合形成用于容纳沉淀杂质的沉淀空间，所述蓄杂盖上开