Hose emptying and blowing test system

The utility model discloses a hose emptying and blowing test system which is used for emptying and blowing test of a tested hose. Comprising a liquid inlet device, a liquid inlet pipeline, a liquid discharging pipeline, a liquid collecting device and a weight measuring device which are sequentially connected from high to low. Wherein the liquid inlet device is provided with a first liquid path stop valve, the blow-off gas inlet is provided with a first gas path stop valve, and the liquid collecting device is provided with a second gas path stop valve. When the first liquid path stop valve is opened and the first gas path stop valve and the second gas path stop valve are closed, propellant in the liquid inlet device is filled into a tested hose through the liquid inlet pipeline; when the first liquid path stop valve is closed and the first gas path stop valve and the second gas path stop valve are opened, blow-off gas enters the tested hose through the blow-off gas inlet to perform emptying blow-off on the pro