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

Pending Publication Date: 2019-07-12
JIANGSU UNIV ZHENJIANG RES INST OF FLUID ENG EQUIP TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The air mixing method designed in this patent is relatively simple, which causes the energy loss of the jet during the air mixing process, which reduces the utilization rate of the jet, and the air mixing method has a poor gas dissolving effect, and cannot guarantee that the jet can still maintain the air mixing after it is ejected state

Method used

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  • Rotational-flow air mixing type water spraying device
  • Rotational-flow air mixing type water spraying device
  • Rotational-flow air mixing type water spraying device

Examples

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Embodiment

[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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Abstract

The invention provides a rotational-flow air mixing type water spraying device. The rotational-flow air mixing type water spraying device comprises a water inlet section, a pre-rotating section, an accelerating section, a rotational flow section, an air mixing chamber, a front-end spray nozzle and an air ventilating pipe, wherein the pre-rotating section is a pipeline with flow guide grooves distributed on the surface of the inner wall; the accelerating section is a gradually-shrinking flow channel with the wall face forming the hopper shape; the rotational flow section comprises a flow diverting section, a rotational-flow pipeline and a jet flow nozzle, the flow diverting section is a pipeline with a flow diverting plate arranged inside, the rotational-flow pipeline comprises two conveying pipelines distributed in a double helix structure along the horizontal line direction, and the jet flow nozzle is a flow channel with the outlet forming an X-shaped gap; and the air mixing chamber comprises an air mixing chamber outer protection wall and an air mixing cavity. The rotational-flow air mixing type water spraying device can well generate rotational jet flow, then the air-mixing property of the jet flow is promoted, the air mixing effect is improved, and the property of a spray head is improved.

Description

technical field [0001] The invention relates to the field of water jet cleaning devices, in particular to a swirling air-mixing water spray device for an intelligent toilet. Background technique [0002] At present, water jet injection technology is widely used in cleaning, scouring and other fields. Low-pressure water jets are mostly used for cleaning and scouring of food processing, agricultural products, kitchen utensils, and environmental cleaning. These cleaning, flushing volumes are large and wide, and the water consumption is relatively large. Therefore, in the case of increasingly precious water resources, the application of water-air mixing nozzles in the cleaning field has become increasingly prominent. [0003] At present, the water spray device used on the smart toilet generally uses a motor or a pump to compress water and air into a closed cavity, so that the gas and liquid are mixed to achieve a better cleaning effect. However, this method causes waste of en...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03D9/08B05B7/04B05B7/10
CPCE03D9/08B05B7/0416B05B7/10
Inventor 王凯芦鑫刘厚林谈明高王勇董亮景玉成
Owner JIANGSU UNIV ZHENJIANG RES INST OF FLUID ENG EQUIP TECH
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