Self-excited wet gas flow measuring device

A self-excited wet gas flow measuring device, comprising a housing, wherein the housing is provided with a wet gas inlet for introducing a wet gas, a dry gas outlet for outputting a dry gas and a liquid outlet for outputting a liquid, a middle of the housing is mounted with a mist catching filter screen to divide a hollow cavity inside the housing into a dry gas region and a wet gas region, the wet gas inlet and the liquid outlet are both disposed in the wet gas region, the dry gas outlet is disposed in the dry gas region, a gas flowmeter for metering the dry gas is provided at the dry gas outlet, a control device for controlling opening and closing of the liquid outlet and quantitatively outputting the liquid is provided within the wet gas region, and a detection counting device for detecting whether there is a liquid output and counting is provided at the liquid outlet;

• wherein a dry gas transmission pipeline is connected at the dry gas outlet, a liquid transmission pipeline is connected at the liquid outlet, the dry gas transmission pipeline and the liquid transmission pipeline communicate with each other, and a wet gas transmission pipeline is connected at a location where the dry gas transmission pipeline communicates with the liquid transmission pipeline;
• and
• wherein the liquid transmission pipeline comprises a siphon pipe and a connecting pipeline, a first end of the siphon pipe is in communication with the liquid outlet, a second end of the siphon pipe is connected with a first end of the connecting pipeline, a second end of the connecting pipeline is in communication with the dry gas transmission pipeline, and a middle of the siphon pipe is arranged obliquely upward.