CN114434336A - Instant ice particle preparation and utilization device and jet flow method - Google Patents

Instant ice particle preparation and utilization device and jet flow method Download PDF

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Publication number
CN114434336A
CN114434336A CN202210090921.6A CN202210090921A CN114434336A CN 114434336 A CN114434336 A CN 114434336A CN 202210090921 A CN202210090921 A CN 202210090921A CN 114434336 A CN114434336 A CN 114434336A
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ice
push rod
ice particle
control system
liquid nitrogen
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CN114434336B (en
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
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Henan University of Technology
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Henan University of Technology
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C1/00Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
    • B24C1/003Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods using material which dissolves or changes phase after the treatment, e.g. ice, CO2
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C5/00Devices or accessories for generating abrasive blasts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C7/00Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
    • B24C7/0046Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a gaseous carrier
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24CABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
    • B24C9/00Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)

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, wherein the device comprises a temperature control system, an ice particle generation control system and an ice particle collection and ejection system, the temperature control system is communicated with the ice particle generation control system through a set liquid nitrogen conveying pipeline, the lower part of the ice particle generation control system is communicated with the ice particle collection and ejection system through an ice particle collection cavity, liquid drops with different particle sizes generated by a liquid drop generator are injected on the outer wall surface of an ice forming cavity containing liquid nitrogen, the liquid drops are condensed into ice particles in a phase change manner under a low-temperature condition, then the ice particles are scraped into the collection cavity through a blade, and then the ice particles are accelerated by high-speed airflow in the ejection pipeline to form a high-speed ice particle jet flow erosion workpiece, so that the surface treatment work is completed.

Description

Instant ice particle preparation and utilization device and jet flow method
Technical Field
The invention belongs to the technical field of ice particle jet, and particularly relates to an ice particle instant preparation and utilization device and a jet method.
Background
As a novel green environment-friendly new process, the ice particle jet technology has wide development prospect in the fields of surface cleaning and descaling and surface depainting. The jet flow of ice particles belongs to one of the sand blasting and paint removing methods, and is based on the principle of abrasive jet flow, the ice particles are used for replacing the traditional abrasive by utilizing the strength and hardness of the ice particles, and the high-speed ice particle flow formed under the drive of a high-speed fluid erodes the surface of a workpiece to fulfill the aims of removing paint and rust on the surface of the workpiece.
The ice particles are used as a power source of ice particle jet flow, and the physical and mechanical properties of the ice particles determine the erosion performance of the ice particle jet flow to a certain extent, so that the preparation of proper ice particles is the premise of improving the erosion performance of the ice particle jet flow. There are four existing methods for preparing ice particles: the method comprises the first ice breaking preparation method, the second vacuum rapid cooling method, the third refrigerant direct contact method and the fourth supercooling dynamic icing method. The ice-breaking preparation method has low ice-making efficiency, ice is easy to melt during crushing and screening, and most of the crushed ice has edges and corners, so that the surface of a workpiece can be damaged during erosion of the workpiece; ice prepared by the vacuum rapid cooling method is seriously bonded and has poor practicability; the ice particles prepared by a refrigerant direct contact method are seriously bonded; the ice particles prepared by the supercooling method have low generation rate and high requirement on equipment.
At present, the ice particle jet technology widely adopts a method of directly contacting small liquid drops generated by an atomizing nozzle with a refrigerant to prepare ice particles, and then the prepared ice particles are placed in an ejector for ejection; the hardness and the grain size of the ice grains prepared by the method are not controllable, and the generated ice grains are seriously bonded, low in utilization rate and high in energy consumption.
Disclosure of Invention
The invention aims to provide an instant preparation and utilization device and a jet flow method for ice particles. The invention overcomes the problem of ice particle adhesion caused by a direct contact method of a refrigerant, and solves the problem of ice particle size by replacing liquid drop generators with different specifications. In addition, the temperature control system designed by the invention controls the ice temperature through liquid nitrogen flow, reduces the energy consumption for preparing ice particles to a certain extent, integrates the injection and acceleration of the ice particles into a whole, enables the ice particles to have high-speed impact capacity, improves the utilization rate of the ice particles, makes up the defects of the existing ice particle jet flow technology for preparing and injecting the ice particles, and has certain significance for improving the ice particle jet flow technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
the device comprises a temperature control system, an ice particle generation control system and an ice particle collection ejection system, wherein the temperature control system is communicated with the ice particle generation control system through a set liquid nitrogen conveying pipeline, and the lower part of the ice particle generation control system is communicated with the ice particle collection ejection system through an ice particle collection cavity.
Further, temperature control system includes the liquid nitrogen container, sets up solenoid valve and temperature sensor on liquid nitrogen container outlet pipe way, solenoid valve and temperature sensor are connected with the switch board electricity, and liquid nitrogen container outlet pipe stretches into the icing intracavity that ice particle generated control system, and temperature control system is used for detecting the temperature of liquid nitrogen, is convenient for control the temperature that the liquid drop generated, ensures going on smoothly of whole process.
Furthermore, the ice particle generation control system comprises an ice forming cavity, a blade control assembly and a liquid drop generator, wherein the blade control assembly is arranged outside the ice forming cavity and comprises a motor, an electric push rod fixedly connected with an output shaft of the motor and a blade mounting frame arranged at the tail end of the electric push rod, a circular blade is arranged at the bottom of the blade mounting frame, and the inner diameter of the circular blade is matched with the outer diameter of the ice forming cavity and used for cutting off ice particles on the outer wall of the ice forming cavity; the liquid drop generater comprises an injector, the tail end of the injector is located at the outer wall face of the icing cavity, the injector is controlled by a mechanical arm to move left and right, the mechanical arm is controlled by a single chip microcomputer, the single chip microcomputer is electrically connected with a control cabinet, the injector is supplied with water by a water supply tank, the electric push rod comprises a first push rod, a second push rod and a third push rod, the second push rod is hinged to the lower portion of the first push rod and the second push rod, the third push rod is coaxial with the central shaft of the icing cavity, the three tail ends of the push rods are provided with a rectangular blade mounting frame, a circular blade is located at the bottom of the blade mounting frame, and an ice particle generation control system controls the generation and cutting of ice particles.
Further, the ice particle is collected and is penetrated the system and collect the chamber including the hourglass hopper-shaped ice particle that is located into ice chamber bottom, the ice particle is collected the chamber bottom and is equipped with and draws the injection pipeline, draw and penetrate the pipeline bottom and be equipped with the cone nozzle, still include high-pressure gas cylinder, high-pressure gas cylinder passes through pipeline and draws and penetrate pipeline UNICOM, pipeline is located and draws the inside part tip of pipeline to be equipped with the shrinkage type nozzle, the ice particle is collected and is drawn the system of penetrating and be used for carrying out instant use with the ice particle that generates, draw the compressed air that penetrates in the terminal nozzle of pipeline and unite high-pressure gas cylinder to promote the high-speed striking of ice particle and send the workpiece surface to be handled, the combined use effect is stronger.
Furthermore, the two liquid nitrogen tanks are fixedly connected through a connecting piece, outlets of the two liquid nitrogen tanks are collected into a total outlet pipeline, the outlet pipeline penetrates through a preformed hole of the icing cavity and extends into the icing cavity, a displacement sensor is arranged beside the outlet pipeline, the two liquid nitrogen tanks are arranged so that the liquid nitrogen can be supplied continuously, the displacement sensor is controlled by the joint single chip microcomputer to guarantee asynchronous action of the blade and the liquid drop generator, and the control is more accurate.
Furthermore, the number of the water supply tanks is two, each water supply tank is connected with the liquid drop generator through a water supply pipeline, and a flow valve and a booster pump are arranged on the water supply pipeline.
A jet flow method of an ice particle instant preparation utilization device comprises the following steps:
(1) preparing injectors with different specifications according to the diameter of ice particles to be prepared, and fixedly connecting a mechanical arm with a liquid drop generator;
(2) opening a switch of a control cabinet, opening the switch of a liquid nitrogen tank by an electromagnetic valve when the temperature of a temperature sensor connected with the liquid nitrogen tank is higher than minus 80 ℃, enabling the liquid nitrogen to enter an icing cavity, closing a valve when the temperature is lower than minus 150 ℃, and opening the valve again when the temperature is higher than minus 80 ℃ so as to circularly control the temperature, wherein nitrogen is discharged from a preformed hole in the upper part of the icing cavity, and simultaneously opening a switch of a water supply tank and a switch of a booster pump to adjust a flow valve of the water supply tank;
(4) when the water supply tank normally runs, a motor switch is started, the rotating speed is adjusted to the minimum value, an air compressor is started to pressurize an air bottle, the pressurization is stopped when the pressure meets the requirement, the rotating speed is adjusted to start the blade to act, a signal generated by the movement of the blade is transmitted to the single chip microcomputer by the displacement sensor, the single chip microcomputer receives the signal and then starts the mechanical arm to move the liquid drop generator to the outer wall surface of the ice forming cavity, when ice particles are generated on the outer wall surface, the liquid drop generator is moved to the original position by the mechanical arm, the ice particles generated on the wall surface are scraped by the blade to fall off into the ice particle collecting cavity, high-speed air flow and the ice particles are mixed in the injection pipeline and enter the nozzle, the high-speed air flow accelerates the ice particles in the nozzle to form ice particle jet flow to erode a workpiece, and the purpose of removing paint and removing rust on the surface is achieved;
(5) when the equipment is closed, firstly, the switches of the water supply tank and the booster pump are closed, then, the switches of the control cabinet and the air compressor are closed, and when the reading of the temperature sensor is 0, the motor is closed, and the device stops working;
(6) preparing ice particles with other particle sizes, and replacing the needle tube to repeat the steps (1) to (5);
(7) the control cabinet adjusts the liquid nitrogen flow according to the temperature sensor to change the hardness and the temperature of the ice particles, and adjusts the rotating speed of the motor to change the temperature and the hardness of the ice particles.
The invention has the advantages that:
1. the invention provides a new method for instantly preparing and instantly utilizing ice particles, which is characterized in that a temperature control system is communicated with an ice particle generation system, the temperature control system controls the ice forming temperature through liquid nitrogen flow, the energy consumption is reduced, an ice particle collecting injection system is arranged, and the injection and acceleration of the ice particles are integrated, so that on one hand, the ice particle preparation and injection integration is realized, on the other hand, the ice particles have high-speed impact capacity, and the quality and the utilization rate of the ice particles are improved;
2. the device has a simple principle, the hardness and the particle size of ice particles are controllable, the liquid drop generator is electrically connected with the single chip microcomputer, the blade is linked with the liquid drop generator to realize the automation of ice formation, and the ice particle generation efficiency is improved;
3. the device realizes the control of the quantity of formed ice by setting the quantity of the liquid drop generators, and simultaneously avoids the problem of ice particle adhesion generated when ice particles are generated by a refrigerant direct contact method;
4. the hardness and the temperature of the ice particles prepared by the invention can be regulated and controlled, the control cabinet controls the opening of the electromagnetic valve according to the readings of the temperature sensor, thereby realizing the flow control of liquid nitrogen, achieving the control of the hardness and the temperature of the ice particles, regulating the rotating speed of the motor to realize the controllable falling speed of the ice particles, and further controlling the temperature of the ice particles.
Drawings
FIG. 1 is a schematic diagram of the present invention.
FIG. 2 is a block diagram of an ice particle collection and ejection system of the present invention.
Detailed Description
As shown in the figure, the novel ice particle instant preparation and utilization device comprises a temperature control system, an ice particle generation control system and an ice particle collection and ejection system, wherein the temperature control system is communicated with the ice particle generation control system through a set liquid nitrogen conveying pipeline, the lower part of the ice particle generation control system is communicated with the ice particle collection and ejection system through an ice particle collection cavity, the temperature control system comprises two liquid nitrogen tanks 3, the two liquid nitrogen tanks 3 are fixedly connected through a connecting piece 4, the outlets of the two liquid nitrogen tanks 3 are converged into a total outlet pipeline, the outlet pipeline penetrates through a preformed hole 26 of the ice forming cavity and extends into the ice forming cavity, a displacement sensor 5 is arranged beside the outlet pipeline, the two liquid nitrogen tanks are arranged so as to ensure the continuous supply of liquid nitrogen, and the displacement sensor is combined with a single chip microcomputer to control and can ensure the asynchronous action of a blade and a liquid drop generator, control more accurately, still including setting up solenoid valve 6 and temperature sensor 7 on 3 outlet pipe of liquid nitrogen container, solenoid valve 6 and temperature sensor 5 are connected with switch board 15 electricity, and 3 outlet pipe of liquid nitrogen container stretch into to ice grain formation control system's icing chamber 8 in, and temperature control system is used for detecting the temperature of liquid nitrogen, is convenient for control the temperature that the liquid drop generated, ensures going on smoothly of whole process. The ice particle generation control system comprises an ice forming cavity 8, a blade control assembly and a liquid drop generator, wherein the blade control assembly is arranged outside the ice forming cavity 8, the blade control assembly comprises a motor 1, an electric push rod 2 fixedly connected with an output shaft of the motor, and a blade mounting frame arranged at the tail end of the electric push rod 2, a circular blade 12 is arranged at the bottom of the blade mounting frame, and the inner diameter of the circular blade 12 is matched with the outer diameter of the ice forming cavity 8 and used for cutting off ice particles on the outer wall of the ice forming cavity; the drop generator 10 comprises an injector 25, in the embodiment, 10 injectors 25 which are parallel up and down are arranged, the tail end of the injector 25 is positioned on the outer wall surface of the icing cavity, the injector 25 is controlled by a mechanical arm 9 to move left and right, the mechanical arm 9 is controlled by a single chip microcomputer 24, the single chip microcomputer 24 is electrically connected with the control cabinet 15, the injector 25 is supplied with water by the water supply tank 14, the electric push rod comprises a first push rod, a second push rod arranged at the lower part of the first push rod and hinged with the first push rod, a third push rod arranged at the lower part of the second push rod and hinged with the second push rod, the third push rod is coaxial with the central shaft of the ice forming cavity, the three tail ends of the third push rod are provided with rectangular blade mounting racks, the annular blade 12 is positioned at the bottom of the blade mounting frame, the ice particle generation control system controls the generation and cutting of ice particles, the annular blade is convenient to control by using a multi-section electric push rod, and the arrangement form saves space; the ice particle collecting and ejecting system comprises a funnel-shaped ice particle collecting cavity 13 positioned at the bottom of an ice forming cavity 8, an ejecting pipeline 23 is arranged at the bottom of the ice particle collecting cavity 13, a conical nozzle 22 is arranged at the bottom of the ejecting pipeline 23, the ice particle collecting and ejecting system further comprises a high-pressure gas cylinder 18, the high-pressure gas cylinder 18 is communicated with the ejecting pipeline 23 through a conveying pipeline 28, the conveying pipeline 28 is positioned at the end part of the ejecting pipeline 23, the part of the end part of the ejecting pipeline is provided with a shrinkage nozzle 29, the ice particle collecting and ejecting system is used for instantly using generated ice particles, compressed air in a combined high-pressure gas cylinder of an ejecting pipeline end nozzle pushes the ice particles to collide at high speed to the surface of a workpiece to be processed, and the combined using effect is stronger. The number of the water supply tanks 14 is two, each water supply tank is connected with the droplet generator 10 through a water supply pipeline, and a flow valve 19 and a booster pump 20 are arranged on each water supply pipeline;
when the device is used specifically, the liquid nitrogen tank 3 is used for providing cold energy required by an ice forming system, a switch of a control cabinet is turned on, when the temperature of a temperature sensor connected with the liquid nitrogen tank is higher than minus 80 ℃, the electromagnetic valve 7 is used for opening the switch of the liquid nitrogen tank 3, liquid nitrogen enters the ice forming cavity 9, when the temperature is lower than minus 150 ℃, the valve is closed, when the temperature is higher than minus 80 ℃, the valve is opened again, the temperature is controlled circularly, nitrogen is discharged from a preformed hole 26 in the upper part of the ice forming cavity, and simultaneously, a switch of the water supply tank 14 and a switch of the booster pump 20 are turned on, and a flow valve 19 of the water supply tank 14 is adjusted; the mechanical arm 9 fixes the liquid drop generator 10, the liquid drop generator 10 is provided with replaceable injectors 25 with different specifications, the particle sizes of ice particles can be controlled by the injectors, the liquid drop generator 10 is connected with an external water supply pipeline 13, the water supply pipeline is connected with a water supply tank branch, a main pipeline collected by a plurality of branches is provided with a switch for controlling a water tank 14 and a flow valve 19 for displaying the flow of a water supply main pipeline, a booster pump 20 is connected with the water supply tank to control the formation of liquid drops, and a blade 12 is sleeved on the multi-section electric push rod 2 of the motor and used for scraping the ice particles generated on the outer wall surface.
The device for realizing the instant preparation and injection of ice particles comprises the following specific steps:
(1) checking the connection condition of the whole device to ensure that the connection is error-free, checking the air tightness of valves, pipelines and connection positions at all positions, and ensuring the communication of the whole system;
(2) adding prepared distilled water into a water tank 14, preparing injectors with different specifications (controlling the particle size of liquid drops) according to the diameter of ice particles to be prepared, connecting the injectors with the tail end of a liquid drop generator, and fixing a single chip microcomputer on the liquid drop generator 10;
(3) connecting the prepared blade 12 to the electric push rod 2, connecting the electric push rod 2 with the upper motor 1, and electrically connecting the displacement sensor 5 with the single chip microcomputer 24;
(4) installing a nozzle 22 at the outlet of the pipeline, starting an air compressor 17 to inflate a high-pressure air bottle 18, and stopping pressurization when the pressure meets the experimental requirements;
(5) opening a switch of a control cabinet 15, when the temperature of a temperature sensor 7 connected with a liquid nitrogen tank 3 is higher than minus 80 ℃, opening the switch of the liquid nitrogen tank 3 by an electromagnetic valve 6, enabling the liquid nitrogen to enter an ice forming cavity, closing a valve when the temperature is lower than minus 150 ℃, and opening the valve again when the temperature is higher than minus 80 ℃ so as to circularly control the temperature, wherein nitrogen is discharged from a preformed hole in the upper part of the ice forming cavity, and simultaneously opening a switch of a water supply tank 14 and a switch of a booster pump 20 to adjust a flow valve 19 of the water supply tank;
(6) when the water tank 14 normally runs, a switch of the motor 1 is started, the rotating speed is adjusted to the minimum value, the rotating speed is properly adjusted according to needs to enable the rotating shaft to drive the blade to move up and down along the outer wall surface of the ice forming cavity, the single chip microcomputer 5 receives an electric signal of a displacement sensor 24 on the rotating shaft, a mechanical arm 9 is started to move a liquid drop generator 10 to the outer wall surface of the ice forming cavity, liquid drops are injected onto the outer wall surface of the ice forming cavity 8 through an injector 25, after ice particles on the wall surface are formed, the mechanical arm 9 moves the liquid drop generator 10 to the original position, the motor 1 enables the blade 12 to act to scrape the ice particles generated on the wall surface at the moment, the ice particles fall into a collecting cavity 13 and enter an injection pipeline 23 to be mixed with high-speed air flow to enter a nozzle 22, the high-speed air flow accelerates the ice particles in the nozzle 22 to form an ice particle jet flow to erode the workpiece 16, and the surface is cleaned;
(7) after the erosion of the workpiece is finished, firstly, the switches of the water supply tank 14 and the booster pump 20 are closed, then, the switches of the control cabinet 15 and the air compressor 17 are closed, when the reading of the temperature sensor 7 is 0, the motor 1 is closed, and the whole system stops working;
(8) when ice particles 27 with other particle sizes need to be prepared, replacing the injector and repeating the steps (1) to (7);
(9) the temperature and hardness of the ice particles are controlled by controlling the flow of liquid nitrogen and reducing the rotational speed of the motor.
The invention provides a method for instantly preparing and instantly utilizing ice particles, which realizes the injection integration of ice particle preparation and realizes instant use of ice particles. The device is simple in principle, the hardness and the particle size of ice particles are controllable, the conical ice particle collecting cavity is communicated with the injection pipeline, the problem of ice particle bonding is avoided, ice particles are utilized immediately, the ice particle utilization rate is improved, the displacement sensor and the single chip microcomputer are electrically communicated, ice particle preparation automation is realized, waste of a refrigerant is avoided, the ice forming time is reduced, and the generation rate and the ice particle quality of the ice particles are improved.

Claims (6)

1. An ice particle instant preparation and utilization device is characterized in that: the device comprises a temperature control system, an ice particle generation control system and an ice particle collection injection system, wherein the temperature control system is communicated with the ice particle generation control system through a set liquid nitrogen conveying pipeline, and the lower part of the ice particle generation control system is communicated with the ice particle collection injection system through an ice particle collection cavity; the temperature control system comprises a liquid nitrogen tank, an electromagnetic valve and a temperature sensor are arranged on an outlet pipeline of the liquid nitrogen tank, the electromagnetic valve and the temperature sensor are electrically connected with the control cabinet, an outlet pipeline of the liquid nitrogen tank extends into an icing cavity of the ice particle generation control system, the two liquid nitrogen tanks are fixedly connected through a connecting piece, outlets of the two liquid nitrogen tanks are gathered in an overall outlet pipeline, the outlet pipeline penetrates through a preformed hole of the icing cavity and extends into the icing cavity, and a displacement sensor is arranged beside the outlet pipeline.
2. An apparatus for instantly preparing and utilizing ice particles as claimed in claim 1, wherein: the ice particle generation control system comprises an ice forming cavity, a blade control assembly and a liquid drop generator, wherein the blade control assembly is arranged outside the ice forming cavity and comprises a motor, an electric push rod fixedly connected with an output shaft of the motor and a blade mounting frame arranged at the tail end of the electric push rod, a circular blade is arranged at the bottom of the blade mounting frame, and the inner diameter of the circular blade is matched with the outer diameter of the ice forming cavity and is used for cutting off ice particles on the outer wall of the ice forming cavity; the liquid drop generator comprises an injector, the tail end of the injector is located on the outer wall surface of the ice forming cavity, the injector is controlled to move left and right by a mechanical arm, the mechanical arm is controlled by a single chip microcomputer, the single chip microcomputer is electrically connected with a control cabinet, and the injector is supplied with water by a water supply tank.
3. An apparatus for instantly preparing and utilizing ice particles as claimed in claim 2, wherein: the electric push rod comprises a first push rod, a second push rod and a third push rod, wherein the second push rod is arranged on the lower portion of the first push rod and hinged to the first push rod, the third push rod is arranged on the lower portion of the second push rod and hinged to the second push rod, the third push rod is coaxial with a central shaft of the ice forming cavity, a rectangular blade mounting frame is arranged at the three tail ends of the third push rod, and the annular blades are located at the bottom of the blade mounting frame.
4. An apparatus for instantly preparing and utilizing ice particles as claimed in claim 3, wherein: the ice particle collecting and ejecting system comprises a funnel-shaped ice particle collecting cavity positioned at the bottom of an ice forming cavity, an ejecting pipeline is arranged at the bottom of the ice particle collecting cavity, a conical nozzle is arranged at the bottom of the ejecting pipeline, the ice particle collecting system also comprises a high-pressure gas cylinder, the high-pressure gas cylinder is communicated with the ejecting pipeline through a conveying pipeline, and the end part of the conveying pipeline, which is positioned inside the ejecting pipeline, is provided with a shrinkage nozzle.
5. An apparatus for instantly preparing and utilizing ice particles as claimed in claim 4, wherein: the water supply tank is two, and every water supply tank passes through water supply pipe and is connected with the liquid drop generater, is equipped with flow valve and booster pump on the water supply pipe.
6. A fluidic method of an instant ice particle preparation utilizing device as claimed in any one of claims 1 to 5, comprising the steps of:
(1) preparing injectors with different specifications according to the diameter of ice particles to be prepared, and fixedly connecting a mechanical arm with a liquid drop generator;
(2) opening a switch of a control cabinet, opening the switch of a liquid nitrogen tank by an electromagnetic valve when the temperature of a temperature sensor connected with the liquid nitrogen tank is higher than minus 80 ℃, enabling the liquid nitrogen to enter an icing cavity, closing a valve when the temperature is lower than minus 150 ℃, and opening the valve again when the temperature is higher than minus 80 ℃ so as to circularly control the temperature, wherein nitrogen is discharged from a preformed hole in the upper part of the icing cavity, and simultaneously opening a switch of a water supply tank and a switch of a booster pump to adjust a flow valve of the water supply tank;
(4) when the water supply tank normally operates, a motor switch is started, the rotating speed is adjusted to the minimum value, an air compressor is started to pressurize an air bottle, the pressurization is stopped when the pressure meets the requirement, the rotating speed is adjusted to start the blade to act, the displacement sensor transmits a signal of the movement of the blade to the single chip microcomputer, the single chip microcomputer starts the mechanical arm to move the liquid drop generator to the position of the outer wall surface of the ice forming cavity after receiving the signal, when ice particles are generated on the outer wall surface, the mechanical arm moves the liquid drop generator to the original position, the blade acts to scrape the ice particles generated on the wall surface, the ice particles fall into the ice particle collecting cavity, high-speed air flow and the ice particles in the injection pipeline are mixed and enter the nozzle, the high-speed air flow accelerates the ice particles in the nozzle to form ice particle jet flow to erode workpieces, and the purpose of removing paint and removing rust on the surface is achieved;
(5) when the equipment is closed, firstly, the switches of the water supply tank and the booster pump are closed, then, the switches of the control cabinet and the air compressor are closed, and when the reading of the temperature sensor is 0, the motor is closed, and the device stops working;
(6) preparing ice particles with other particle sizes, and replacing the needle tube to repeat the steps (1) to (5);
(7) the control cabinet adjusts the liquid nitrogen flow according to the temperature sensor to change the hardness and the temperature of the ice particles, and adjusts the rotating speed of the motor to change the temperature and the hardness of the ice particles.
CN202210090921.6A 2022-01-26 2022-01-26 Instant ice particle preparation and utilization device and jet flow method Active CN114434336B (en)

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Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04360766A (en) * 1991-06-04 1992-12-14 Ishikawajima Harima Heavy Ind Co Ltd Ice blasting device and manufacture of ice blasting ice grain
US5283989A (en) * 1990-05-30 1994-02-08 Mitsubishi Denki Kabushiki Kaisha Apparatus for polishing an article with frozen particles
WO2001003887A1 (en) * 1999-07-12 2001-01-18 Swinburne Limited Method and apparatus for machining and processing of materials
CN106425887A (en) * 2016-12-07 2017-02-22 河南理工大学 Front and rear mixed ice particle gas jet device and method
CN106475911A (en) * 2016-12-07 2017-03-08 河南理工大学 A kind of ice pellets gas jet quick preparation device and method
CN107214628A (en) * 2017-08-04 2017-09-29 安徽理工大学 Ice pellets medium the Premixed Abrasive Water Jet generating means is based under a kind of submerged mixture of ice and water state
CN107283326A (en) * 2017-06-30 2017-10-24 中国石油大学(北京) Liquid nitrogen and ice pellets abrasive jetting method and its generating means
CN206868751U (en) * 2017-06-12 2018-01-12 孙洪孟 Portable ice jet-flow cleaning machine
CN109015390A (en) * 2017-06-12 2018-12-18 孙洪孟 Ice jet cleaning equipment
CN109397103A (en) * 2018-11-30 2019-03-01 吉林大学 A kind of jet stream processing unit (plant) based on ice particle
CN110548729A (en) * 2018-06-01 2019-12-10 大连福兰特科技有限公司 ice particle jet type surface treatment equipment
CN112856879A (en) * 2021-02-04 2021-05-28 河南理工大学 Scraper type ice particle instant preparation device and method

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5283989A (en) * 1990-05-30 1994-02-08 Mitsubishi Denki Kabushiki Kaisha Apparatus for polishing an article with frozen particles
JPH04360766A (en) * 1991-06-04 1992-12-14 Ishikawajima Harima Heavy Ind Co Ltd Ice blasting device and manufacture of ice blasting ice grain
WO2001003887A1 (en) * 1999-07-12 2001-01-18 Swinburne Limited Method and apparatus for machining and processing of materials
CN106425887A (en) * 2016-12-07 2017-02-22 河南理工大学 Front and rear mixed ice particle gas jet device and method
CN106475911A (en) * 2016-12-07 2017-03-08 河南理工大学 A kind of ice pellets gas jet quick preparation device and method
CN206868751U (en) * 2017-06-12 2018-01-12 孙洪孟 Portable ice jet-flow cleaning machine
CN109015390A (en) * 2017-06-12 2018-12-18 孙洪孟 Ice jet cleaning equipment
CN107283326A (en) * 2017-06-30 2017-10-24 中国石油大学(北京) Liquid nitrogen and ice pellets abrasive jetting method and its generating means
CN107214628A (en) * 2017-08-04 2017-09-29 安徽理工大学 Ice pellets medium the Premixed Abrasive Water Jet generating means is based under a kind of submerged mixture of ice and water state
CN110548729A (en) * 2018-06-01 2019-12-10 大连福兰特科技有限公司 ice particle jet type surface treatment equipment
CN109397103A (en) * 2018-11-30 2019-03-01 吉林大学 A kind of jet stream processing unit (plant) based on ice particle
CN112856879A (en) * 2021-02-04 2021-05-28 河南理工大学 Scraper type ice particle instant preparation device and method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
张东速等: "冰粒射流及冰粒制备", 《重庆大学学报(自然科学版)》 *
李德玉等: "冰射流中的冰粒制备技术", 《煤炭学报》 *

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