Steam pressure automatic control and grid connection system

The utility model provides a steam pressure automatic control and grid connection system which comprises a synthetic furnace, a flash tank is arranged on one side of the synthetic furnace, the flash tank and the synthetic furnace are communicated through a pipeline, a steam outlet pipeline is arranged at the top of the flash tank, and a first pressure stabilizing device and a check valve are sequentially arranged on the side portion of the steam outlet pipeline. The water inlet of the synthetic furnace is provided with a pure water inlet pipeline, and the pure water inlet pipeline is provided with a second pressure stabilizing device. According to the utility model, through the installation of the automatic control system and the optimization of the pipeline, the purposes that the pressure of the flash tank can be automatically controlled and adjusted between 0.2 MPa and 0.4 MPa, the steam is automatically conveyed after reaching the specified pressure, and the steam is automatically emptied when being overpr