Corrosion-resistant furnace basin

The utility model relates to a corrosion-resistant stove basin for coal stoves, which has the structure that a bottom plate is provided with a mounting hole of a stove core, the mounting hole is in a single opening and short cylinder style. The utility model is characterized in that the corrosion-resistant furnace basin has a fume outlet extending segment (1), the length of which can extend to the outside of the back plate of the coal stove, the bottom of the extending segment (1) equals to the bottom plate of the stove basin, and the outlet point of the extending segment (1) is connected with a corrosion-resistant cylinder (2), the bottom of which is lower than the bottom of the extending segment (1). The utility model has the advantages that the harmful gas and water can be prevented from returning into the stove basin and corroding the parts of the coal stove, the jam of the fume outlet can be prevented, and the service life of the coal stove can be prolonged.