Sand core filtering device

The utility model provides a sand core filtering device which comprises a funnel, a sand core filter, a standard plug triangular flask and a drain valve, and the sand core filter is connected betweenthe funnel and the standard plug triangular flask; wherein the plug triangular flask is provided with a water outlet capable of discharging fluid in the plug triangular flask, and the drain valve is arranged at the water outlet so as to control the opening and closing of the water outlet through the drain valve. Compared with the prior art, the sand core filtering device has the advantages that the water outlet is formed in the triangular flask with the standard plug, and the water outlet can be opened and closed through the drain valve, so that frequent disassembly of the sand core filter andthe funnel is avoided, the working time of an operator is further saved, and the filtering efficiency of a solid-liquid mixture is improved. 本实用新型提供一种砂芯过滤装置，包括：漏斗、砂芯过滤器、标塞三角瓶和排水阀，所述砂芯过滤器连接在所述漏斗和所述标塞三角瓶之间；所述标塞三角瓶上设有可将所述标塞三角瓶中的