Blast pipe relief device

The utility model relates to a boats and ships technical field, in particular to blast pipe relief device, include: first bleeder pipe, second bleeder pipe, two -way solenoid valve, electric cabinet and liquid level alarm. The one end and the blast pipe of first bleeder pipe are connected, and the other end is connected with the bottom of a ship's hold, the one end and the first bleeder pipe of second bleeder pipe are connected, and the other end is connected with the bottom of a ship's hold, first bleeder pipe sets up bent pipe structure with the junction of second bleeder pipe. The liquid level alarm sets up on first bleeder pipe, two -way solenoid valve sets up on first bleeder pipe, liquid level alarm and two -way solenoid valve are connected with the electric cabinet. The embodiment of the utility model provides a blast pipe relief device crosses and to open cigarette ash and the sewage of two -way solenoid valve from the first bleeder pipe lower extreme discharge bent pipe structure in, can dredge the b