CN206335473U - A kind of ice pellets gas jet quick preparation device - Google Patents
A kind of ice pellets gas jet quick preparation device Download PDFInfo
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- CN206335473U CN206335473U CN201621332551.9U CN201621332551U CN206335473U CN 206335473 U CN206335473 U CN 206335473U CN 201621332551 U CN201621332551 U CN 201621332551U CN 206335473 U CN206335473 U CN 206335473U
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- gas
- jet
- ice pellets
- liquid nitrogen
- water tank
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Abstract
A kind of ice pellets gas jet quick preparation device, including gases at high pressure portion, water tank, liquid nitrogen container, jet nozzle and jet pipeline;Valve is connected with the gas outlet in gases at high pressure portion;It is provided with water tank and liquid nitrogen container with valvular gas access and outlet;The gas access of water tank, the gas access of liquid nitrogen container and jet pipeline are all connected with the gas outlet in gases at high pressure portion;The outlet of water tank and the outlet of liquid nitrogen container are connected with jet pipeline, and jet nozzle is arranged at the end of jet pipeline;The internal diameter of jet nozzle front end is tapered into, and the internal diameter of jet nozzle end becomes larger.Method and device described in the utility model realizes the integration of the simple and quick preparation of ice pellets and ice pellets gas jet, simple in construction, easy to operate, is not limited by place, can effectively improve operating efficiency.
Description
Technical field
The utility model belongs to ice pellets gas jet technical field, more particularly to a kind of ice pellets gas jet quickly prepares dress
Put.
Background technology
Abradant jet technology appears in the sixties in last century earliest, is specifically divided into abrasive water-jet and abrasive material gas jet
Technology.The technology can obtain preferably cleaning, erosion effect with less power, be widely used in cutting, special processing, brill
In the operations such as hole, rust cleaning and hydraulic flushing in hole.
With the development of abradant jet technology, the shortcoming in conventional abrasives jet application process is also increasingly highlighted.By
In the raising of workload, abrasive material consumption is increased, but conventional abrasives are not easy to reclaim and handled;Secondly, abradant jet can be
The substantial amounts of fine abrasive grains of operation surface remaining, are not suitable with the occasion that surface cleanness requires high;In addition, abradant jet is removed
Its condition of work is poor when rust, cutting operation.Therefore, expert is actively seeking more economical, practical abrasive material, product both at home and abroad
New type abrasive jet is developed in pole, what jet of ice grains was exactly produced in this context, and ice pellets has certain intensity at low temperature
And hardness, the effect of abradant jet can be reached.
At present, the method that prepared by ice pellets mainly has:(1)Trash ice method, such as Poland Galeck and Canada Vickers pass through broken
The ice pellets that ice cube is broken into a diameter of 3mm is carried out ice pellets abradant jet experiment by ice device, and the letter of ice pellets technique is prepared using this method
It is single, easy to operate, but the continuous preparation of ice pellets can not be realized by trash ice method, and ice pellets easily melts in shattering process.(2)Refrigeration
The mode system that the dependence liquid nitrogen that agent method, such as China Mining University Li De jade are proposed directly is contacted with the atomized water Jing Guo precooling treatment
Standby small ice pellets, the low temperature and Particle size requirements of ice pellets, but its technical process complexity and cost can be realized by preparing ice pellets using this method
It is higher.
At present, the method for jet of ice grains mainly has:(1)Using High-Pressure Water method, such as former Huainan Polytechnique College's water under high pressure
Jet laboratory uses ice pellets high-pressure water jet formed by high pressure water jet ice pellets, can provide larger with high pressure water jet ice pellets
Energy, it is to avoid ice pellets such as bonds, blocked at the phenomenon at nozzle.But this method can not make ice pellets persistently be in low temperature field
In, operating efficiency can be reduced.(2)Using air-compressing, two sets of power of utilization that such as former Huainan Mining Industry College east speed is proposed
System realizes that ice pellets is prepared and gas jet respectively, using gas jet technology, can meet the low temperature field during jet of ice grains
It is required that, but its two sets of dynamical systems, energy waste can be caused.
Prepared by above-mentioned ice pellets and fluidics is all ice pellets well prepared in advance, and fluidic system is added using ice pellets as abrasive material
In, jet of ice grains is realized, its device is complicated, it is impossible to realize ice pellets preparation and the integration of jet.
Utility model content
The utility model aims to provide a kind of good ice pellets gas jet quick preparation device of simple in construction, using effect.
In order to solve the above technical problems, the utility model provides following technical scheme:A kind of ice pellets gas jet is fast
Fast preparation facilities, including gases at high pressure portion, water tank, liquid nitrogen container, jet nozzle and jet pipeline;The gas outlet in gases at high pressure portion
On be connected with valve;It is provided with water tank and liquid nitrogen container with valvular gas access and outlet;The gas of water tank enters
Mouth, the gas access of liquid nitrogen container and jet pipeline are all connected with the gas outlet in gases at high pressure portion;The outlet of water tank and liquid nitrogen container
Outlet is connected with jet pipeline, and jet nozzle is arranged at the end of jet pipeline;The internal diameter of jet nozzle front end is tapered into,
The internal diameter of jet nozzle end becomes larger.
Gases at high pressure portion, which includes being provided with air compressor machine, gas feeding duct and at least one gas cylinder, gas cylinder, is respectively connected with valve
Flowmeter is respectively connected with the air intake of door and gas outlet, the gas outlet of each gas cylinder;What air compressor machine connected each gas cylinder enters gas
Mouthful, the gas outlet of each gas cylinder is all connected with gas feeding duct, the gas access of the end connection water tank of gas feeding duct,
The gas access of liquid nitrogen container and jet pipeline.
The gas access of water tank and liquid nitrogen container is respectively arranged at the top of water tank and the top of liquid nitrogen container.
Flowmeter is respectively connected with the outlet of water tank and liquid nitrogen container;Atomizer is also associated with the outlet of water tank,
Atomizer connects jet pipeline.
It is provided with gas feeding duct on pressure detecting portion, jet pipeline and is provided with temperature detecting part.
Pressure detecting portion is pressure gauge;Temperature detecting part is processing unit, display unit and is arranged at jet inner-walls of duct
On temperature sensor, temperature sensor collecting temperature information, and the temperature information collected is transferred into processing unit handles
Temperature information is transferred to display unit and shown by unit.
By above technical scheme, the beneficial effects of the utility model are:1st, device described in the utility model is realized
The simple and quick preparation of ice pellets and the integration of ice pellets gas jet, the device are quickly tied using water and liquid nitrogen in pipeline
Ice, realizes the instant preparation of ice pellets, ice pellets is well mixed in pipeline, it is to avoid the waste of water resource;Meanwhile, setting is penetrated
Flow nozzle can make ice pellets obtain higher speed, it is to avoid the shortcomings of ice pellets melts in fluerics, hardness is reduced, it is ensured that penetrate
Flow effect.2nd, gases at high pressure portion includes air compressor machine, gas feeding duct and at least one gas cylinder, so as to realize conveniently, it is easy to control
System.3rd, the gas access of water tank and liquid nitrogen container is respectively arranged at the top of water tank and the top of liquid nitrogen container, so as to facilitate
The entrance of gas, facilitates mechanism of the gas to water tank and liquid nitrogen container.4th, atomization is also associated with the outlet of water tank
The outlet connection jet pipeline of nozzle, atomizer and liquid nitrogen container, pipeline is realized by the direct contact of water droplets and liquid nitrogen
The quick preparation of middle ice pellets.5th, pressure detecting portion is pressure gauge;Temperature detecting part is that temperature sensor, processing unit and display are single
Member, the monitoring of parameter in the course of work is realized by pressure gauge and temperature sensor, consequently facilitating the control of the course of work.
Brief description of the drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is fluidic nozzle configurations schematic diagram.
Embodiment
A kind of ice pellets gas jet quick preparation device, as shown in figure 1, including gases at high pressure portion, gases at high pressure portion is used for
The gas with pressure is prepared, gases at high pressure portion includes air compressor machine 1, gas feeding duct 11 and at least one gas cylinder 2, this implementation
The quantity of gas cylinder 2 is 3 in example.For the ease of the control of gas, valve is provided with the air intake of gas cylinder 2 and gas outlet
3, pass through the control process for being turned on and off facilitating gas transport of valve 3.Meanwhile, stream is provided with the gas outlet of gas cylinder 2
Gauge 4, the flow of the gas from each gas cylinder out can be learnt by flowmeter 4, can by the monitoring to gas parameter
Adjusted with the process in time to whole ice pellets gas jet, it is ensured that its efficient working condition.Air compressor machine 1 is connected by pipeline
The air intake of each gas cylinder 2 is connect, the gas outlet of each gas cylinder 2 connects gas feeding duct 11 by pipeline.
Pressure detecting portion is provided with gas feeding duct 11, wherein pressure detecting portion is pressure gauge, passes through pressure gauge
The pressure of the gas of gas coming through input channel 11 can be learnt in real time, and it is also advantageous for the monitoring to whole work process.
The end of gas feeding duct 11 is divided into the first via and the second tunnel, and the wherein first via is connected with water tank 6 and liquid nitrogen
Tank 8.Gas access is provided with the top of water tank and liquid nitrogen container, by the way that gas access is arranged at into top, facilitates gas
To the mechanism of the pressure in water tank and liquid nitrogen container.Meanwhile, it is respectively connected with the gas access of water tank and liquid nitrogen container
Valve 3, consequently facilitating the control process that gas is entered in water tank and liquid nitrogen container.The first via of gas feeding duct passes through pipe
Road connects the gas access of water tank and liquid nitrogen container respectively, and storage can be balanced by the way that gas is input in water tank and liquid nitrogen container
Pressure in water pot and liquid nitrogen container, so facilitate water flowed out from water tank and liquid nitrogen flowed out from liquid nitrogen container.
Second tunnel of gas feeding duct 11 is connected with jet pipeline 12, while the second tunnel connection of gas feeding duct is penetrated
The initial end in flow tube road 12.
Also set in the middle part connection water tank 6 of jet pipeline 12 and the outlet of liquid nitrogen container 8, the outlet of water tank and liquid nitrogen container
It is equipped with valve;The valve of water tank outlet, can adjust the flow of water, so that the quality and flow of jet of ice grains are controlled, with full
Jet of ice grains under the conditions of sufficient different operating;The amount of liquid nitrogen of outflow can be controlled by controlling the valve that liquid nitrogen container is exported;Work as water
Flow change when, can adjust the amount of liquid nitrogen makes water droplet fully condense into ice pellets in pipeline;Meanwhile, water tank and liquid nitrogen container
Outlet on be also equipped with flowmeter, be easy to the monitoring of parameter in the course of work by flowmeter.
Atomizer 7 is connected with the outlet of water tank 6 in order to improve the effect of ice pellets, the outlet of atomizer 7 connects
Connect the middle part of jet pipeline 12, from water tank 6 out water be atomized after enter in jet pipeline, in jet pipeline
Ice pellets is formed under liquid nitrogen effect, the quick preparation of ice pellets in pipeline is realized by the direct contact of water droplets and liquid nitrogen.Wherein,
Atomizer is commercially available prod.
Temperature detecting part is provided with jet pipeline 12, wherein temperature detecting part is processing unit, display unit and set
The temperature sensor being placed on jet inner-walls of duct, processing unit can be transferred to by temperature sensor by the temperature detected
In, processing unit shows the temperature information received on the display unit.
Wherein, the model DS18B20 of temperature sensor, processing unit 2 selects single-chip microcomputer;And display unit includes
The display chip being connected with the signal output part of processing unit, the model LCD1602 of display chip.Can by temperature detecting part
To monitor the temperature in jet pipeline in real time.
Jet nozzle 10 is provided with the end of jet pipeline 12, jet nozzle 10 is as shown in Fig. 2 including nozzle body
101, nozzle body 101 is internally provided with ice pellets cavity 102, and the internal diameter of the front end of ice pellets cavity 102 is tapered into from inside to outside, ice
The internal diameter of grain cavity end is become larger from inside to outside, so that gas can obtain higher speed, ice pellets can also be accelerated to
Fair speed, and one section of region of jet nozzle and jet nozzle outlet can maintain relatively low temperature field, and the temperature field can
So that during ensureing jet of ice grains, ice pellets will not melt, and then ensure jet of ice grains effect.
The water stored in water tank, is atomized into droplet by atomizer and enters in jet pipeline;Meanwhile, liquid nitrogen is led to
Incident flow pipeline, creates low temperature environment, droplet is condensed into small ice pellets in jet pipeline, ice pellets is formed by jet nozzle
Gas realizes jet.
When water or liquid nitrogen are finished, the valve of gas cylinder gas outlet can be closed, the quick addition of water or liquid nitrogen is realized.
It is a kind of to carry out the method that ice pellets gas jet is quickly prepared using said apparatus, in turn include the following steps:
(1)Prepare gases at high pressure, air compressor machine generation gases at high pressure, while gases at high pressure, which are entered, realizes storage in gas cylinder;
It can realize that gases at high pressure enter or the out control of gas cylinder using the air intake of gas cylinder and the valve of gas outlet when using.
Before work, the valve at gas cylinder import is first turned on, closes and adds respectively in remaining valve, water tank and liquid nitrogen container
Water and liquid nitrogen, start air compressor machine;When storage pressure reaches arranges value, remaining valve is opened, while ensure that air compressor machine works on,
Wherein the setting value of storage pressure is 0.5~15Mpa, so that entering the pressure of the gases at high pressure of jet pipeline can make
Obtain ice pellets and obtain enough speed;The gas cylinder of setting can ensure the stability of gases at high pressure.
(2)Gases at high pressure are divided into two-way, respectively enter all the way in water tank and in liquid nitrogen container, to balance water tank and liquid
Pressure in nitrogen tank;Jet pipeline is entered all the way in addition, the flow and pressure point of the gases at high pressure entered in jet pipeline
Wei not 0.02~0.58kg/s;0.5~15Mpa, so that ice pellets has enough effluxvelocities.
Specially:Gases at high pressure are entered in gas feeding duct after being come out from gas cylinder, and gas feeding duct is divided into two-way,
The first via of gas feeding duct is entered in water tank and liquid nitrogen container by the gas access of water tank and liquid nitrogen container, realizes storage
The balance of water pot and liquid nitrogen pressure tank, so that water smoothly can flow out from water tank;Liquid nitrogen can be smoothly from liquid nitrogen container
Middle outflow.
(3)Liquid nitrogen forms low temperature field in jet pipeline, and atomized water enters in jet pipeline to be formed under low temperature field action
Ice pellets;
Specially:Liquid nitrogen from the outlet of liquid nitrogen container come out after enter jet pipeline, in jet pipeline form low temperature
;Water in water tank from the outlet of water tank come out after enter atomizer, water is atomized laggard in atomizer
Enter into jet pipeline;The water being atomized forms ice pellets in jet pipeline in the presence of low temperature field.
Herein, the flow-rate ratio for the liquid nitrogen for entering the water in jet pipeline and entering in jet pipeline is 0.1 ~ 0.4, excellent
Elect 0.3 as, under such condition, temperature optimal in pipeline is -100 DEG C after gas and ice pellets mixing, it is ensured that in pipeline
It is maximum with fluerics ice pellets hardness, preferable jet effect is obtained, so as to improve action effect of the liquid nitrogen to water, liquid nitrogen is prevented
Waste.
By making water fogging again so that water enters jet pipeline, the effect of ice pellets can be improved so that in jet pipeline
The ice pellets of suitable size is generated, prevents that water large area in jet pipeline from freezing.
By the temperature data in the jet pipeline monitored of temperature sensor, and the jet nozzle observed comes out
Ice pellets gas jet state, to adjust the valve of water tank and liquid nitrogen container exit, wherein, it is ensured that the temperature in jet pipeline
Spend in -65 DEG C and -100 DEG C, preferably -100 DEG C, so that the Mohs' hardness of ice pellets reaches maximum.
(4)Gases at high pressure drive ice pellets to reach at jet nozzle;
Gases at high pressure in jet pipeline drive ice pellets to fast forward through, and are finally reached at jet nozzle.
(5)Ice pellets sprays from jet nozzle.
Ice pellets enters in the ice pellets cavity of jet nozzle, and path of the ice pellets gas in ice pellets cavity is tapered into first,
Then, become larger, so that ice pellets can obtain larger kinetic energy, it is to avoid ice pellets melts in fluerics, hardness is reduced etc.
Shortcoming;Final ice pellets is sprayed with speed from jet nozzle, and the size of the ice pellets of ejection is that the ice pellets of ejection, which is acted on, to be needed to make
On surface.
Herein, the spouting velocity of ice pellets is 300~500m/s, preferably 400m/s, and the particle diameter of the ice pellets of ejection is 0.053
Between~0.25mm, the action effect of ice pellets can be met in the case where saving energy.
(6)End-of-job;After ice pellets gas jet work is completed, first, water tank and liquid nitrogen container gas are closed successively
Valve at entrance and exit;After 5s, the gas closed in air compressor machine, drained pipeline;Again after 5s, the valve of gas cylinder air inlet is closed
Door, interval 5s closes the valve of gas cylinder gas outlet, and whole work process terminates.Herein, the sequencing that valve is closed is related to
The stability of device, is first operated to the valve on water tank and liquid nitrogen container, it is ensured that the balance of pipeline pressure;Between final
Close the valve of gas cylinder air inlet and the valve of gas outlet successively every 5s, it is ensured that the pressure balance in gas cylinder, it is ensured that work
Process.
In step(1)、(2)、(3)、(4)、(5)During, it is necessary to the moment observation water tank and liquid nitrogen container in water and
Liquid nitrogen, after water or liquid nitrogen run low, closes the valve of gas cylinder gas outlet, is added water into water tank or liquid nitrogen container or liquid nitrogen;It is complete
Cheng Hou, opens the valve of gas cylinder gas outlet so that whole work process proceeds.
Device disclosed in the utility model realizes the integration of the simple and quick preparation of ice pellets and ice pellets gas jet,
The device is quickly frozen using water and liquid nitrogen in pipeline, realizes the instant preparation of ice pellets, and ice pellets is well mixed in pipeline,
Avoid the waste of water resource;Meanwhile, the jet nozzle of setting can make ice pellets obtain higher speed, it is to avoid ice pellets is being penetrated
The shortcomings of stream area melts, hardness is reduced, it is ensured that jet effect;In addition, whole device is simple in construction, and it is easy to operate, not by field
Ground is limited, and can effectively improve operating efficiency.
Claims (9)
1. a kind of ice pellets gas jet quick preparation device, it is characterised in that:Including gases at high pressure portion, water tank, liquid nitrogen container, penetrate
Flow nozzle and jet pipeline;Valve is connected with the gas outlet in gases at high pressure portion;It is provided with and carries on water tank and liquid nitrogen container
The gas access and outlet of valve;The gas access of water tank, the gas access of liquid nitrogen container and jet pipeline are all connected with high pressure gas
The gas outlet in body portion;The outlet of water tank and the outlet of liquid nitrogen container are connected with jet pipeline, and jet nozzle is arranged at jet pipe
The end in road;The internal diameter of jet nozzle front end is tapered into, and the internal diameter of jet nozzle end becomes larger.
2. ice pellets gas jet quick preparation device as claimed in claim 1, it is characterised in that:Gases at high pressure portion includes pneumatics
It is provided with machine, gas feeding duct and at least one gas cylinder, gas cylinder and is all connected with valvular air intake and gas outlet, each gas
Flowmeter is respectively connected with the gas outlet of bottle.
3. ice pellets gas jet quick preparation device as claimed in claim 2, it is characterised in that:Air compressor machine connects each gas cylinder
Air intake, the gas outlet of each gas cylinder is all connected with gas feeding duct, and the end of gas feeding duct connects the gas of water tank
Body entrance, the gas access of liquid nitrogen container and jet pipeline.
4. ice pellets gas jet quick preparation device as claimed in claim 3, it is characterised in that:The gas of water tank and liquid nitrogen container
Body entrance is respectively arranged at the top of water tank and the top of liquid nitrogen container.
5. ice pellets gas jet quick preparation device as claimed in claim 4, it is characterised in that:Water tank and liquid nitrogen container go out
Flowmeter is respectively connected with mouthful.
6. ice pellets gas jet quick preparation device as claimed in claim 5, it is characterised in that:Also connect in the outlet of water tank
It is connected to atomizer, atomizer connection jet pipeline.
7. ice pellets gas jet quick preparation device as claimed in claim 6, it is characterised in that:Set on gas feeding duct
Having be provided with temperature detecting part on pressure detecting portion, jet pipeline.
8. ice pellets gas jet quick preparation device as claimed in claim 7, it is characterised in that:Pressure detecting portion is pressure
Meter.
9. ice pellets gas jet quick preparation device as claimed in claim 8, it is characterised in that:Temperature detecting part is single for processing
Member, display unit and the temperature sensor being arranged on jet inner-walls of duct, temperature sensor collecting temperature information, and will collection
To temperature information be transferred to processing unit, temperature information is transferred to display unit and shown by processing unit.
Priority Applications (1)
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CN201621332551.9U CN206335473U (en) | 2016-12-07 | 2016-12-07 | A kind of ice pellets gas jet quick preparation device |
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CN201621332551.9U CN206335473U (en) | 2016-12-07 | 2016-12-07 | A kind of ice pellets gas jet quick preparation device |
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CN206335473U true CN206335473U (en) | 2017-07-18 |
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ID=59308741
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CN201621332551.9U Withdrawn - After Issue CN206335473U (en) | 2016-12-07 | 2016-12-07 | A kind of ice pellets gas jet quick preparation device |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN111890230A (en) * | 2019-12-31 | 2020-11-06 | 南通仁隆科研仪器有限公司 | Safe, environment-friendly and efficient physical rust removal equipment |
-
2016
- 2016-12-07 CN CN201621332551.9U patent/CN206335473U/en not_active Withdrawn - After Issue
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN106475911B (en) * | 2016-12-07 | 2019-08-06 | 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 |
CN107214628B (en) * | 2017-08-04 | 2019-02-19 | 安徽理工大学 | One kind being based on ice pellets medium submerged the Premixed Abrasive Water Jet generating device |
CN111890230A (en) * | 2019-12-31 | 2020-11-06 | 南通仁隆科研仪器有限公司 | Safe, environment-friendly and efficient physical rust removal equipment |
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AV01 | Patent right actively abandoned | ||
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Granted publication date: 20170718 Effective date of abandoning: 20190806 |