Water feeding pump of steam boiler

The utility model discloses a steam boiler feed pump which comprises a pump body, a water inlet is connected with a connecting pipe through a flange, the connecting pipe is respectively connected with a first filter bin and a second filter bin through water guide pipes, and filter plates are arranged on the inner wall of the first filter bin and the inner wall of the second filter bin. The water inlet sides of the first filtering bin and the second filtering bin are connected with a water inlet pipe through a water distribution pipe fitting, the water outlet side of the second filtering bin is connected with the water inlet side of the first filtering bin through a backflow pipe fitting, and a backflushing assembly for backflushing and spraying water into the first filtering bin and the second filtering bin is arranged on the water guide pipe. According to the water feeding pump, the water flow channels of the first filtering bin and the second filtering bin can be switched and adjusted by changing the workin