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Ice particle instant preparation and utilization device and jet flow method

A technology of ice particles and ice cavity, which is applied in the field of instant preparation and utilization of ice particles, can solve the problems of ice particle bonding, and achieve the effects of avoiding ice particle bonding, controllable hardness and particle size, and simple equipment principle

Active Publication Date: 2022-05-06
HENAN POLYTECHNIC UNIV
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  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention overcomes the ice particle sticking problem caused by the direct contact method of refrigerant, and solves the problem of ice particle size by replacing the droplet generator of different specifications

Method used

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  • Ice particle instant preparation and utilization device and jet flow method
  • Ice particle instant preparation and utilization device and jet flow method

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Embodiment Construction

[0027]As shown in the figure, a new device for instant preparation and utilization of ice particles includes a temperature control system, an ice particle generation control system, and an ice particle collection and ejection system. The system is connected, and the lower part of the ice particle generation control system is connected with the ice particle collection and ejection system through the ice particle collection chamber. The temperature control system includes a liquid nitrogen tank 3, and there are two liquid nitrogen tanks 3. They are fixedly connected by connecting piece 4, and the outlets of the two liquid nitrogen tanks 3 are collected in a general outlet pipe, which passes through the reserved hole 26 of the ice forming chamber and extends into the inside of the ice forming chamber. The displacement sensor 5 and the setting of the two liquid nitrogen tanks facilitate the continuous supply of liquid nitrogen. The control of the displacement sensor combined with t...

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Abstract

The invention belongs to the technical field of ice particle jet flow, and particularly discloses an ice particle instant preparation and utilization device and a jet flow method.The ice particle instant preparation and utilization device comprises a temperature control system, an ice particle generation control system and an ice particle collecting and ejecting system.The temperature control system communicates with the ice particle generation control system through an arranged liquid nitrogen conveying pipeline; the liquid drop generator is used for generating liquid drops with different particle sizes, the liquid drops are injected to the outer wall face of the ice forming cavity containing liquid nitrogen, the liquid drops are subjected to phase change under the low-temperature condition to be condensed into ice particles, then the ice particles are scraped into the collecting cavity through the blade, and the ice particles are collected through the ice particle collecting cavity. And then high-speed airflow in the injection pipeline is accelerated to form high-speed ice particle jet flow to erode the workpiece, so that the surface treatment work is completed.

Description

technical field [0001] The invention belongs to the technical field of ice particle jetting, and in particular relates to a device for instant preparation and utilization of ice particles and a jetting method. Background technique [0002] As a new green and environmentally friendly new technology, ice particle jet technology has broad development prospects in the fields of surface cleaning and descaling and surface paint removal. Ice particle jet is a kind of sandblasting and paint removal method. It is based on the principle of abrasive jet. Using the strength and hardness of ice particles, ice particles are used to replace traditional abrasives, and the high-speed ice particle flow formed by the high-speed fluid is eroded. The surface of the workpiece is processed to complete the purpose of removing paint and rust on the surface of the workpiece. [0003] Ice particles are the power source of ice particle jet, and their physical and mechanical properties determine the er...

Claims

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Application Information

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IPC IPC(8): B24C1/00B24C5/00B24C7/00B24C9/00
CPCB24C1/003B24C9/00B24C5/00B24C7/0046
Inventor 刘勇刘笑天魏建平司磊磊徐向宇张宏图张健姚邦华温志辉李波王登科李志平
Owner HENAN POLYTECHNIC UNIV
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