Simple automatic bait casting device used in seedling raising process

The utility model provides a simple automatic bait casting device used in a seedling raising process, which comprises a feeding tank, a charging pipe, a feeding pipe and a plurality of discharging pipes are arranged on the feeding tank, the charging pipe is positioned at the top of the feeding tank, the feeding pipe is positioned at the bottom of the feeding tank, and the discharging pipes are uniformly distributed on one side of the feeding tank; a three-way joint, an air inlet pipe and a water inlet pipe are further arranged below the feeding tank, and three connecting ends of the three-wayjoint are fixedly connected with the feeding pipe, the air inlet pipe and the water inlet pipe respectively; and regulating valves are arranged on the feeding pipe, the air inlet pipe and the water inlet pipe. According to the simple automatic bait casting device used in the seedling raising process, water is continuously introduced into the feeding tank to dilute bait, feeding is conducted in anoverflow mode, then a smal