Gaseous ultrasonic wave flow measuring device of rectification type

The utility model discloses a gaseous ultrasonic wave flow measuring device of rectification type has solved mainly that current gaseous ultrasonic flowmeter measurement accuracy is poor, the narrow scheduling problem of application scope. This gaseous ultrasonic wave flow measuring device of rectification type, including flowmeter body (1), its characterized in that, buret section (12) is surveyed including rectification pipeline section (11) and the constant diameter of continuous connection in flowmeter body (1), rectification pipeline section (11) for two sections and set up respectively in flowmeter body (1) entrance point and exit end, the constant diameter is surveyed buret section (12) and is set up in two sections between rectification pipeline section (11), rectification pipeline section (11) cross -section is the loudspeaker form, and its inner wall is parabolic for turning over, the diameter of rectification pipeline section (11) is along being close to the direction that buret section (12) were s