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Jet cavitation generator

A generator and cavitation technology, which is applied in the field of jet cavitation, can solve the problems that the structure is not easy to clean, the fluid property requirements are high, and it is difficult to adapt to the cavitation requirements. simple effect

Active Publication Date: 2020-12-29
DALIAN UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Commonly used jet cavitation generators are difficult to disassemble, the structure is not easy to clean, and the requirements for the properties of the fluid are high, so it is difficult to adapt to the cavitation requirements of different sizes and different working conditions

Method used

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Embodiment 1

[0027] The fluid flows into the cavitation generator at a flow rate of 1m / s through the fluid inlet, and when passing through the cavitation element 2, it first enters the fluid redistribution area. The thickness of the disk is 5mm, and a d 2 for The row of holes on the disc allows the fluid to be evenly redistributed. After the redistribution is uniform, it enters the fluid fully developed area, including the cylindrical section and the conical section with the ports gradually increasing. The length of the cylindrical section a is 10mm, and the length of the conical section b is 20mm. The fluid fully developed area can make the fluid fully develop after passing through the row of holes. . Finally, the fluid enters the jet cavitation zone, which is a solid disc. The size of the end face of the disc is equal to the maximum port size of the circular table section in the fully developed fluid zone. The gap t between the disc and the shell is 1 mm, and the thickness c is 5 mm. ...

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Abstract

The invention discloses a jet cavitation generator, and belongs to the technical field of jet cavitation. The jet cavitation generator is composed of a shell and a cavitation element, and has the advantages of being suitable for multi-element and multi-phase fluid, capable of bearing high pressure, wide in application size range and capable of generating a stable and efficient cavitation field. The jet flow cavitator comprises the shell and the cavitation element, small holes are formed in the cavitation element in the incoming flow direction to enable fluid to be evenly redistributed, then the fluid is fully developed through a cylindrical section and a gradually-increasing circular truncated cone section, then the fluid enters a cavitation section, and the area of a flow channel is reduced, so that the fluid is cavitated. The jet cavitation generator can be applied to the fields of cavitation cleaning, effective sterilization, emulsion generation, two-dimensional layered material stripping and the like.

Description

technical field [0001] The invention relates to a jet cavitation generator, which belongs to the technical field of jet cavitation. Background technique [0002] The phenomenon of cavitation originally originated from the cavitation erosion of propeller blades in the 19th century, which seriously endangered the safety of shipping. However, with the continuous progress of research in recent years, the theory of cavitation has been gradually improved, and the cognition of cavitation has gradually changed from being harmful to the active use of micro-jet and shock waves generated by cavitation collapse. [0003] At present, ultrasonic cavitation and jet cavitation are mainly used in cavitation methods, and jet cavitation is widely used in cavitation cleaning, effective sterilization, emulsion formation, secondary cavitation due to its advantages of low energy consumption and continuous production. Dimensional layered material stripping and other fields. [0004] Commonly used...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05B1/34
CPCB05B1/34
Inventor 银建中向皓明
Owner DALIAN UNIV OF TECH
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