Rotational-flow air mixing type water spraying device
A water-spraying device and air-mixing technology, which is applied in the direction of spraying device, water-supplying device, liquid spraying device, etc., can solve the problems of poor dissolved air effect, low jet flow utilization rate, and inability to guarantee the jet-air mixing state, etc., to reduce energy consumption, avoid energy loss, better effect of mixing
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[0034] This embodiment provides a swirling air-mixing water spray device, such as figure 1 , figure 2 and image 3 As shown, the fluid medium of the swirling air-mixing water spray device is clear water at 20°C, and its structure includes a water inlet pipe 1, a pre-swirling section 2, a speed-up section 3, a swirling section 4, and an air-mixing chamber 5 , the front end nozzle 6 and the air pipe 7, the water inlet pipe 1, the pre-swirl section 2, the speed-up section 3, the swirl flow section 4, the mixing chamber 5 and the front-end nozzle 6 along the fluid The flow direction is sequentially connected. The inlet pipe diameter D 1 =20mm, the average flow velocity v of the water in the water inlet pipe 1 = 0.6m / s.
[0035] The water inlet pipe 1 communicates with the inlet end of the pre-rotation section 2, the outlet end of the pre-rotation section 2 communicates with the inlet end of the speed-up section 3, and the pre-rotation section 2 has a guide groove on the inne...
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