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Turbulence energy-reinforced hydraulic transient cavitated venturi tube

A Venturi, turbulent flow technology, applied in fluid mixers, chemical instruments and methods, dissolution, etc., can solve the problems of small cavitation intensity, weak transient cavitation characteristics, and limited strengthening effect of chemical reaction process. Enhance the effect of transient cavitation, easy processing and high sewage treatment efficiency

Inactive Publication Date: 2014-03-26
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The Venturi tube is one of the main components currently used to produce hydraulic cavitation effects, but the cavitation intensity of the traditional Venturi tube to produce hydraulic cavitation is small, especially the transient cavitation characteristics are weak, and it is used in chemical reaction processes The reinforcement effect is limited

Method used

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  • Turbulence energy-reinforced hydraulic transient cavitated venturi tube
  • Turbulence energy-reinforced hydraulic transient cavitated venturi tube
  • Turbulence energy-reinforced hydraulic transient cavitated venturi tube

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] exist figure 1 , 2 , 3, the turbulent flow of this embodiment can strengthen the hydraulic transient cavitation venturi tube is composed of the shell 1, the left bracket 2, the turbulence rod 3, and the right bracket 4 are connected.

[0026] The housing 1 of this embodiment is cylindrical, and the two ends of the housing 1 are provided with integral flanges for connecting with the water pipeline. When communicating with the water pipeline, the inner diameter of the water pipeline should be the same as that of the housing 1 have the same inner diameter, the left side of the housing 1 is fixedly connected with a left bracket 2 with a threaded fastening connector, and the right side of the housing 1 is fixedly connected with a right bracket 4 with a screwed fastening connector, and the turbulence bar 3 The left end of the turbulence rod 3 is fixedly connected to the left bracket 2 through threads, and the right end of the turbulence rod 3 is connected to the right bracke...

Embodiment 2

[0034] The turbulent flow bar 3 of this embodiment is composed of two turbulent flow units 3 - 1 , a sawtooth cylinder 3 - 2 , and two end cylinders 3 - 3 connected as a whole. The turbulence unit 3-1 is composed of a zeroth-order cylinder 3-1.1, a first-order cylinder 3-1.2, and a second-order cylinder 3-1.3. The left and right sides of the zeroth-order cylinder 3-1.1 respectively have symmetrical and connected first-order cylinders 3-1.2, and the axially outer sides of the first-order cylinder 3-1.2 respectively have symmetrical and connected first-order cylinders The second-order cylinder 3-1.3, the axial length of the zeroth-order cylinder is D / 2, and D is the inner diameter of the shell 1 . The second-stage cylinder 3-1.3 on the left is integrated with the end cylinder 3-3 on the left, and the second-stage cylinder 3-1.3 on the right is integrated with the sawtooth cylinder 3-2. The diameter D1 of the zeroth-order cylinder 3-1.1 of this embodiment is 3D / 4, and the diameter...

Embodiment 3

[0038] The turbulent flow bar 3 of this embodiment is composed of two turbulent flow units 3 - 1 , a sawtooth cylinder 3 - 2 , and two end cylinders 3 - 3 connected as a whole. exist Figure 5 Among them, the turbulence unit 3-1 on the left is composed of the zeroth-order cylinder 3-1.1, the first-order cylinder 3-1.2, the second-order cylinder 3-1.3, the third-order cylinder 3-1.4, the fourth-order cylinder The cylinders 3-1.5 are connected as one body. The left and right sides of the zeroth-order cylinder 3-1.1 are respectively symmetrical and connected as a whole to form the first-order cylinder 3-1.2, and the axial outer sides of the first-order cylinder 3-1.2 are each symmetrical and connected to form a second-order cylinder. The second-order cylinder 3-1.3, the axially outer sides of the second-order cylinder 3-1.3 each have symmetry, and are connected as a whole to have a third-order cylinder 3-1.4, and the axially outer sides of the third-order cylinder 3-1.4 each hav...

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Abstract

The invention provides a turbulence energy-reinforced hydraulic transient cavitated venturi tube, wherein a left support is arranged at the left side in a housing, a right support is arranged at the right side in the housing, the left end of a turbulence rod is arranged on the left support, the right end of the turbulence rod is arranged on the right support, a gap between the turbulence rod and the inner wall of the housing is a water flow passageway, at least two levels of venturi tubes which are connected with each other in series and surrounds the whole turbulence rod are arranged between the turbulence rod and the inner wall of the housing, and a throat part of the venturi tube is formed between the part of the turbulence rod with the maximum diameter and the inner wall of the housing. The turbulence energy-reinforced hydraulic transient cavitated venturi tube with the structure provided by the invention is simple in structure, convenient to install, and free from dead angle in the process of treatment, the transient cavitation in the process of hydraulic cavitation can be effectively reinforced, the turbulence energy-reinforced hydraulic transient cavitated venturi tube is high in sewage treatment efficiency, the technical problems of less cavitation strength, low phonochemistry reaction efficiency and the like in the conventional venturi tube hydraulic cavitation can be solved, and the turbulence energy-reinforced hydraulic transient cavitated venturi tube can be used for sewage treatment.

Description

technical field [0001] The invention belongs to the technical field of hydraulic cavitation for strengthening chemical reaction process, and in particular relates to a Venturi tube with turbulent flow energy strengthening hydraulic transient cavitation. Background technique [0002] A large number of studies have shown that hydrodynamic cavitation has a significant strengthening effect on the chemical reaction process. Compared with ultrasonic cavitation in terms of energy efficiency and scale, it is simple, easy to implement, low energy consumption, high efficiency, and large cavitation area. It can be used in large The advantages of flow medium processing and so on. However, hydrodynamic cavitation has problems such as small cavitation intensity and low efficiency for sonochemical reactions. In response to this problem, technical personnel in relevant professional fields have conducted systematic research from basic to application, and have achieved many meaningful result...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B01F5/00
Inventor 张宗权苗润才吴俊林杨宗立鲁百佐刘志存王文成
Owner SHAANXI NORMAL UNIV