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Turbulence resonance fluid sounder

A sounder and fluid technology, which is applied in the field of turbulent resonance fluid sounder, can solve problems such as difficulty in further improving cavitation intensity, difficulty in application of reed whistle engineering, and difficulty in finding nodes for reeds, so as to improve wastewater treatment effect and strengthen wastewater treatment. Treatment effect, low cost effect

Inactive Publication Date: 2014-09-24
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the application of reed whistle in sewage treatment is very limited, mainly as follows: (1) It is difficult to increase the amplitude of sound pressure greatly, which makes it difficult to further increase the cavitation intensity; (2) It is difficult for the reed whistle to accurately find the node to set (3) It is difficult to excite reed vibration in viscous media and suspension liquid containing hard particles, which brings difficulties to the wide engineering application of reed whistle

Method used

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  • Turbulence resonance fluid sounder
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Examples

Experimental program
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Effect test

Embodiment 1

[0014] Depend on figure 1 It can be seen that the turbulent resonance fluid sound generator of this embodiment is composed of the inlet plate 1 , the nozzle 2 , the center rod 3 , the resonance rod 4 , the barrier body 5 and the chassis 6 .

[0015] The inlet disk 1 of the present embodiment is a circular plate made of stainless steel, and an inlet with a diameter of 20 mm is processed in the middle of the inlet disk 1, and the inlet extends inwardly to form a nozzle 2 that converges from large to small, and the nozzle 2 Depth H 1 is 48mm, and the outlet diameter is 10mm, that is, the inlet diameter d and outlet diameter d of nozzle 2 0 The ratio is 1:0.5. A circular stainless steel chassis 6 is installed under the inlet plate 1. A barrier body 5 is arranged coaxially with the nozzle 2 in the middle of the chassis 6. The barrier body 5 is a cavity with grooves processed on the top. structure, the periphery of the barrier body 5 is equal to the periphery of the nozzle 2, and ...

Embodiment 2

[0018] The inlet plate 1 of the present embodiment is a circular plate made of stainless steel, and the middle part of the inlet plate 1 is processed with an inlet with a diameter of 20 mm. The inlet extends inwardly to form a convergent nozzle 2. The depth H of the nozzle 2 is 1 is 48mm, and the outlet diameter is 6mm, that is, the inlet diameter d and outlet diameter d of nozzle 2 0 The ratio is 1:0.3. A circular stainless steel chassis 6 is installed under the inlet plate 1. A barrier body 5 is arranged coaxially with the nozzle 2 in the middle of the chassis 6. The barrier body 5 is a cavity with grooves processed on the top. Structure, the periphery of the barrier body 5 is equal to the periphery of the nozzle 2, the opening diameter D of the groove is equal to the outlet diameter d of the nozzle 2 0 Equal, ie 6mm, depth H 2 is 1mm, the wall thickness is 2.5mm, and the distance L between the top of the barrier body 5 and the outlet of the nozzle 2 is 1.2mm, which is 0.2 ...

Embodiment 3

[0021] The inlet plate 1 of the present embodiment is a circular plate made of stainless steel, and the middle part of the inlet plate 1 is processed with an inlet with a diameter of 20 mm. The inlet extends inwardly to form a convergent nozzle 2. The depth H of the nozzle 2 is 1 is 48mm, and the outlet diameter is 12mm, that is, the inlet diameter d and outlet diameter d of nozzle 2 0 The ratio is 1:0.6. A circular stainless steel chassis 6 is installed under the inlet plate 1. A barrier body 5 is arranged coaxially with the nozzle 2 in the middle of the chassis 6. The barrier body 5 is a cavity with grooves processed on the top. structure, the periphery of the barrier body 5 is equal to the periphery of the nozzle 2, and the opening diameter D of the groove is the outlet diameter d of the nozzle 2 0 1.17 times of , namely 14.04mm, depth H 2 The distance L between the top of the barrier body 5 and the outlet of the nozzle 2 is 8.424mm, which is 0.6 times of the diameter D of...

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Abstract

The invention relates to a turbulence resonance fluid sounder. According to the turbulence resonance fluid sounder, a liquid medium is disturbed through interaction of a jet flow of a convergence type nozzle and an obstacle body with grooves, the counteractive is produced to a jet flow near the nozzle, therefore, an alternating pressure field and an alternating speed field are produced between the nozzle and the obstacle body, natural vibration of a resonance rod is simulated, sound waves are then emitted, key technical defects existing in a traditional resonant wedge whistle can be effectively overcome, and the turbulence resonance fluid sounder replaces the traditional resonant wedge whistle to be widely applied to waste water processing. The turbulence resonance fluid sounder is simple in structural design, low in cost, large in sound pressure amplitude, and capable of effectively improving pressure field intensity of a pulse area and cavitation intensity of the pulse area. Meanwhile, vibration energy of the resonant rod enables the sound waves to be spread farther, and therefore the range of a cavitation area is increased. When the turbulence resonance fluid sounder is applied to waste water processing, the ultrasonic wave waste water processing effect can be effectively improved and enhanced, and the turbulence resonance fluid sounder is suitable for industrialized application.

Description

technical field [0001] The invention relates to the technical field of fluid sound research, in particular to a turbulent resonance fluid sound generator. Background technique [0002] In the past two decades, my country's water pollution has been very serious. The main sources of water pollution are industrial wastewater, agricultural wastewater and urban domestic sewage. Especially the "three causes" (carcinogenic, teratogenic, and mutagenic) organic pollutants that are difficult to degrade. They not only consume a large amount of dissolved oxygen in the water body, making the water body lose its ability to purify itself, but also can exist in the environment for a long time. And through the food chain into the human body and gradually accumulated, has constituted a serious threat to human health. At the same time, due to the pollution of water bodies, many water resources cannot be reused, which aggravates the scarcity of water resources and affects the sustainable use o...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G10K9/08C02F1/36
Inventor 沈壮志吴胜举
Owner SHAANXI NORMAL UNIV
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