Steam generator with automatic blowdown device

The utility model discloses a steam generator with an automatic blowdown device, which comprises a heat exchanger and a steam-water separator, the bottom of the steam-water separator is provided with the automatic blowdown device, the automatic blowdown device comprises a blowdown pipe, a manual blowdown valve and an automatic blowdown electromagnetic valve, and a blowdown outlet is communicated with the steam-water separator through the blowdown pipe. And the manual blow-down valve and the automatic blow-down electromagnetic valve are arranged on the blow-down pipe in parallel. The steam generator is ingenious and reasonable in design and high in practicability, sewage discharging operation in the steam generator can be facilitated through the automatic sewage discharging device, the manual sewage discharging valve and the automatic sewage discharging electromagnetic valve are arranged in parallel, sewage can be regularly and accurately discharged by controlling the valve opening time of the automatic sewage