Portable siphon farmland irrigation flow measuring device and measuring method implemented by same
A flow measuring device and farmland irrigation technology, which is applied in the direction of measuring device, measuring flow/mass flow, liquid/fluid solid measurement, etc., can solve rare problems, achieve simple calculation formula, overcome low flow measurement accuracy, and reasonable structure
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[0022] Such as figure 1 As shown, a siphon type farmland irrigation flow measurement device includes a double-layer water filter 4, a plastic hose 5, a flowmeter with a propeller 6, and a water outlet hard pipe 8.
[0023] The plastic hose is straddled on the embankment of the farmland irrigation canal, one end of the plastic hose extends under the water surface of the irrigation canal, the other end of the plastic hose is connected with a plastic hard pipe, and the end of the plastic hard pipe leads to the farmland.
[0024] The end of the plastic hose extending into the irrigation canal is provided with a double-layer water filter net 4 .
[0025] A vacuum suction cylinder 6 and a flow meter 7 with a propeller are set on the plastic hose stretching out of the irrigation canal. A flow meter with a propeller is located downstream of the vacuum pump.
[0026] The double-layer water filter net forms the water filter area 1, the plastic hose and the vacuum suction pump form the...
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