Impeller-driven rotary nozzle and rotation speed adjusting method thereof

A technology of rotating nozzles and rotating speeds, which is applied to botanical equipment and methods, spraying devices with movable outlets, spraying devices, etc., and can solve the problems of complex structure of rotating spraying elements, difficult adjustment of hydraulic performance parameters, and insufficient stability of work. , to achieve the effect of improving spraying uniformity, convenient and reliable adjustment, and realizing optimal settings

Active Publication Date: 2020-06-26
JIANGSU UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Aiming at the deficiencies in the prior art, the present invention provides an impeller-driven rotary nozzle and a method for adjusting its rotational speed. The problems to be solved are that the structure of the rotary spraying element is complicated, the hydraulic performance parameters are difficult to adjust, the energy consumption is high, and the work is not enough Stable key technical issues, with the advantages of simple product structure, low energy consumption, reliable operation, etc.

Method used

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  • Impeller-driven rotary nozzle and rotation speed adjusting method thereof
  • Impeller-driven rotary nozzle and rotation speed adjusting method thereof

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Effect test

Embodiment 1

[0033] Embodiment 1: The structural form of impeller 8 is the semi-open impeller shape that comprises blade and rear cover plate, and damping device 4 adopts spring damping, and when the rotating speed of test record is 10 seconds per circle, spraying uniformity coefficient is 88%, spraying The shooting range is 7.4 meters, and the median particle size of sprayed water droplets is 0.7 mm. After adjusting the damping coefficient of the damping device 4, the rotating speed can be changed to 60 seconds per revolution, the spraying uniformity coefficient is 85%, the spraying range is 7.9 meters, and the median diameter of sprayed water droplets is 0.9 mm.

Embodiment 2

[0034] Embodiment 2: damping device 4 adopts spring damping, and the structural form of impeller 8 is the closed impeller shape that comprises blade, front and rear cover plate, and rotation speed is 20 seconds per circle, and spraying uniformity coefficient is 75%, and spraying range is 9.8 meters, the median particle size of the sprayed water droplets is 1.2 mm. Increased spray range of impeller-driven performance-adjustable rotary elements.

Embodiment 3

[0035]Embodiment 3: The damping device 4 adopts spring damping, and the structural form of the impeller 8 is a semi-open impeller shape including blades and a rear cover plate, the rotation speed is 20 seconds per circle, the spraying uniformity coefficient is 87%, and the spraying range is 7.6 m, the median diameter of the sprayed water droplets is 0.8 mm. Improved spray uniformity from the impeller drive performance adjustable rotary element.

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Abstract

The invention provides an impeller-driven rotary nozzle and a rotation speed adjusting method thereof. The impeller-driven rotary nozzle comprises a damping device, a rotating body, a nozzle and an impeller, wherein the nozzle is mounted on a support frame; one end of the rotating body is rotatably mounted on the nozzle; the impeller is arranged on the rotating body and drives the rotating body torotate through the nozzle; the other end of the rotating body is rotatably mounted on the support frame; and the damping device is arranged between the rotating body and the support frame and used for adjusting the resistance of the rotating body in the rotation process. The impeller-driven rotary nozzle can solve the key technical problems that a rotary spraying element is complex in structure,hydraulic performance parameters are not easy to adjust, energy consumption is high, and work is not stable enough, and has the advantages of simple product structure, low energy consumption, reliableoperation and the like.

Description

technical field [0001] The invention relates to the technical field of agricultural water-saving irrigation, in particular to an impeller-driven rotary nozzle and a method for adjusting its rotation speed. Background technique [0002] The rotary sprinkler element is the key equipment in the sprinkler micro-irrigation system. Its performance directly affects the irrigation effect. Currently, the widely used rotary sprinkler element equipment has the following shortcomings in application. The spray element equipment achieved It is not easy to adjust the important hydraulic performance, such as rotation speed, spraying range, spraying uniformity, spraying water droplet size and other parameters; the structure of the driving parts of the rotary spraying element is relatively complicated, and it is necessary to overcome various problems in the process of realizing the rotation. Only this kind of resistance can complete the spraying, resulting in high energy consumption. Therefo...

Claims

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Application Information

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IPC IPC(8): B05B3/04A01G25/02
CPCB05B3/04A01G25/02Y02A40/22
Inventor 朱兴业陆梦雅袁寿其姜晨龙
Owner JIANGSU UNIV
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