CN209207270U - A kind of device preparing ice pellets gas jet using subcooled water - Google Patents
A kind of device preparing ice pellets gas jet using subcooled water Download PDFInfo
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- CN209207270U CN209207270U CN201822064806.3U CN201822064806U CN209207270U CN 209207270 U CN209207270 U CN 209207270U CN 201822064806 U CN201822064806 U CN 201822064806U CN 209207270 U CN209207270 U CN 209207270U
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- China
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- liquid nitrogen
- ice pellets
- heat exchange
- gas jet
- water
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Abstract
A kind of device preparing ice pellets gas jet using subcooled water, including the high pressure gas cylinder being connect by second branch pipeline with the distinguished and admirable circulatory system, the high pressure gas cylinder is connect by first branch pipeline with the first liquid nitrogen case, the first liquid nitrogen case other end is connected by collecting pipe with nozzle, collecting pipe between the first liquid nitrogen case and nozzle is equipped with atomization box, the distinguished and admirable circulatory system includes heat exchanger, the heat exchanger upper end is connect with second branch pipeline, heat exchanger left end is connected respectively at the second liquid nitrogen case with blower by pipeline with threeway, the connection of the right end of the other end and heat exchange box, heat exchange box bottom is connected by the atomizer of pipeline and atomization box.Using the method and apparatus of the utility model, it can quickly prepare ice pellets and form ice pellets gas jet.
Description
Technical field
The utility model relates to ice pellets gas jet technical fields more particularly to a kind of utilization subcooled water to prepare ice pellets gas
The device of jet stream.
Background technique
Gas abradant jet at the beginning of the invention due to its simple structure, energy consumption less, erosion effect is good and is widely used in
All trades and professions, such as industrially, abrasive material gas jet are used for surface depainting and derusting, and it is broken to be applied to erosion in coal mine field
Coal；But with the extensive use of gas jet, its drawback is also gradually showing, since abrasive material is mostly the material that hardness is high, density is big
Material can inevitably cause internal material centainly to damage when to body surface depainting and derusting, and without suitable substitution
Abrasive material；Simultaneously in some biggish engineerings, the dosage of abrasive material is huge, and one side abrasive material can not recycle, and causes larger waste, separately
On the one hand, abrasive material is broken into small respirable dust and suspended particulate due to hitting erosion, and be bound to aggravating working environment, together
When influence staff health；Therefore the researcher of various countries is in the substitute for constantly looking for conventional abrasive material；Ice is not
Mohs' hardness variation range under synthermal is 2-4, and hardness is moderate, can remove the paint and rusty stain on surface, in damaging
Portion's device, at the same ice pellets spray after aggravating working environment and health threat will not be caused to staff, thus make ice pellets
Substitute for traditional gas jet stream abrasive material is possibly realized.
Preparing ice pellets at this stage, there are mainly three types of methods: water ice is crushed to small by (1) icebreaking method using mechanical device
Particle, this method is easy, but the ice pellets partial size that this method crushes is random, need to screen appropriate particle size use again, this is just dropped
The preparation speed of low ice pellets, is not easy to the preservation of ice pellets；(2) low-temperature freezing, by water mist spray to being placed with low temperature nitrogen (liquid
Nitrogen) space in, water mist flash freeze formed ice pellets, it is rapid that this method prepares ice pellets, but due to drop and low temperature nitrogen (liquid
Nitrogen) directly contact, the decline of ice pellets temperature is very fast, and should not control, and causes the more difficult assurance of the hardness of ice pellets；The apparatus structure simultaneously
It is complicated, cumbersome, energy consumption it is larger；(3) Liu Yong et al. discloses " a kind of ice pellets gas jet quick preparation device and method ",
Application number 201611113564.1, this method are sprayed into the drop after atomization in high-speed flow using atomizer, subsequent drop
It is contacted with the mixed gas of liquid nitrogen and air, this method compensates for the deficiency of low-temperature freezing, the gaseous mixture of liquid nitrogen and air
Temperature is suitable, and the hardness of ice pellets is more easily adjusted, but there is also some problems to be easy warm remittance such as drop phase transformation not in time
And larger drop is formed, while drop can be viscous on duct wall, cause pipeline effective diameter to reduce after icing, is easy blocking.
Utility model content
Based on the above deficiency, problem to be solved in the utility model is to overcome above-mentioned the deficiencies in the prior art, it is therefore intended that
A kind of ice pellets gas jet preparation facilities and method quickly, efficient, easy is provided.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of device preparing ice pellets gas jet using subcooled water, including high pressure gas cylinder, the high pressure gas cylinder pass through the
One tap line is connected with the first liquid nitrogen case, and the first liquid nitrogen case other end is connected by collecting pipe with nozzle, and described first
Collecting pipe between liquid nitrogen case and nozzle is equipped with atomization box；High pressure gas cylinder is connected with distinguished and admirable cyclic system by second branch pipeline
System, the distinguished and admirable circulatory system includes heat exchanger, and the heat exchanger upper end is connect with second branch pipeline, and heat exchanger left end passes through
Pipeline is connected with threeway, and threeway is connect with the second liquid nitrogen case and blower respectively, and the right end connection of the blower other end and heat exchange box is changed
Hot tank bottom is connect by pipeline with the atomizer inside atomization box.
Further, the heat exchanger includes the cold water pipes being arranged in heat exchange box, and heat exchange box upper end is equipped with cold water pipe
Road water filling port, heat exchange box bottom end are equipped with cold water pipes water outlet, and water outlet lower channel is equipped with check valve, in heat exchange box top
Air taking port is equipped at the heart, the heat exchange box left and right ends are respectively equipped with ultrasonic generator and reflector.
Further, the first temperature sensor is equipped in the cold water pipes, bypassing circulation pipeline inner blower lower end is equipped with
Second temperature sensor, the first liquid nitrogen bottom end is equipped with thermostat valve, and is controlled by computer.
Further, the first branch pipeline is equipped with the first pressure reducing valve, and second branch pipeline is equipped with the second decompression
Valve.
Further, the first branch pipeline and second branch pipeline are common pressure-bearing pipe, and remaining pipes are to protect
Wen Guan is covered with thermal insulation material outside and can carry certain pressure.
Further, the first liquid nitrogen case is equipped with the first safety valve, and the second liquid nitrogen case is equipped with the second safety valve, wind
It flows in circulating line, is equipped with third safety valve close to pipeline on the left of heat exchange box.
Further, spiral winding pipe is equipped in the first liquid nitrogen case, spiral winding pipe immerses in liquid nitrogen.
Further, the specification of second safety valve is greater than third safety valve.
Compared with prior art, the utility model has the following beneficial effects:
1. the utility model is less than 0 °C of water not frozen yet using subcooled water, receives disturbance or the nuclei of condensation are artificially added
Then flash freeze prepares ice pellets, compensates for viscous on duct wall since large water droplet can not quickly freeze, and is easy obstruction
The phenomenon that；
2. the utility model uses liquid nitrogen as refrigerant, while assisting accelerating distinguished and admirable circulation rate using blower, accelerate
Distilled water fast cooling controls liquid nitrogen flow, section by thermostat valve using computer monitoring airflow temperature and distillation coolant-temperature gage
Accelerate the speed of subcooled water while energy；
3. the utility model prepares high-speed low temperature gas using the device of " liquid nitrogen bath " formula, it ensure that water droplets condense
Inhibit in ultralow temperature high-speed gas at after ice pellets particle, shape size is uniform, it can also be ensured that ice pellets is evenly distributed, together
Shi Caiyong " liquid nitrogen bath " prevents influence of the moisture extra in air to equipment；
4. the utility model uses ultrasonic levitation device, prevent because the dust on heat exchanger inner wall encounters high cold water and stands
It freezes, is not available device；
5. obtained greatly simplified and finer control relative to original fluidic device, reduce jet stream operation at
This, improves the efficiency and precision of jet stream operation.
Detailed description of the invention
Fig. 1 is the overall schematic of the utility model；
Fig. 2 is heat exchange box sectional view.
Specific embodiment
A kind of device preparing ice pellets gas jet using subcooled water as depicted in figs. 1 and 2, including distinguished and admirable circulation 12,
Wherein distinguished and admirable circulation 12 is connect by second branch pipeline 3 with high pressure gas cylinder 1, passes through the atomization in pipeline 121 and spray chamber 17
Nozzle 16 connects, and wherein 17 bottom end of spray chamber is connect with collecting pipe 7, and 7 one end of collecting pipe is connect with the first liquid nitrogen case 6, the other end
It is connect with nozzle 18, the first liquid nitrogen case 6 connect by first branch pipeline 2 with high pressure gas cylinder 1, is recycled 12 wherein distinguished and admirable and is included the
Two liquid nitrogen casees 9,9 bottom end of the second liquid nitrogen case are connected with pipeline 121, and 121 one end of pipeline is connect by threeway one end with blower 11, separately
One end is connect with 8 left end of heat exchange box, and 8 right end of heat exchange box is connected by pipeline 121 with blower 11, is wherein equipped with and is changed in heat exchange box 8
Hot device 82,82 upper end of heat exchanger are equipped with water filling port 81, are wherein equipped with second temperature sensor 13 in 11 bottom end pipeline 121 of blower,
The first temperature sensor 84 is equipped in heat exchange box 8 in heat exchanger 82, wherein being equipped with thermostat valve between the second liquid nitrogen case 9 and threeway
10, wherein the one 84, second temperature sensor 13 and thermostat valve 10 have the control of computer 19, wherein 8 or so two points of heat exchange box
It She You not supersonic generator 85 and reflector 86；Wherein first branch pipeline 2 is equipped with the first pressure reducing valve 4, second branch pipe
Line 3 is equipped with the second pressure reducing valve 5, and pipeline is equipped with check valve 15,8 left side pipeline of heat exchange box between heat exchange box 8 and spray chamber 17
It is equipped with third safety valve 14, wherein being respectively equipped with the first safety valve 62,61 and of the first note nitrogen mouth on the one 4, second liquid nitrogen case 9
Second safety valve 92, the second note nitrogen mouth 91；Wherein first branch pipeline 2 and second branch pipeline 3 are common pressure-bearing pipe, remaining
Pipeline 121 is insulating tube, is covered with thermal insulation material 122 outside and can carry certain pressure；Wherein the specification of the second safety valve 92 is big
In third safety valve 14.
A kind of device preparing ice pellets gas jet using subcooled water, specific embodiment are, to prepare -2 °C of supercooling
For water, comprising the following steps:
1) subcooled water is prepared, is closed after injecting distilled water 83 into the heat exchanger 82 of heat exchange box 8 by water filling port 81 first
Water filling port 81, the overfill that do not inject open supersonic generator 85, open the second note nitrogen mouth 91 and infuse into the second liquid nitrogen case 9
The second note nitrogen mouth 91 is closed immediately after entering liquid nitrogen；Starting blower 11, the liquid nitrogen for flowing into distinguished and admirable circulation 12 is uniformly mixed by blower 11,
It subsequently flows into heat exchange box 8, carries out heat with the distilled water in heat exchanger 82 and exchange, it is distinguished and admirable by distinguished and admirable circulation 12 after heating
Second temperature sensor 13 is again passed by, if airflow temperature is greater than -2 °C, computer 19 controls thermostat valve 10 and opens, if
Airflow temperature is lower than -2 °C, then computer 19 controls thermostat valve 10 and closes；It is exchanged by the heat of certain time, in heat exchanger 82
When first temperature sensor 84 of distilled water 83 reaches -2 °C, then distilled water 83 becomes subcooled water, when the 1st on computer 19
When stable and identical with 13 registration of second temperature sensor, subcooled water preparation is finished；
2) ice pellets is prepared, the first note nitrogen mouth 61 is opened into injection liquid nitrogen while step (1) is completed and is then immediately closed off.It adjusts
Saving the first pressure reducing valve 4 makes the high-speed flow in high pressure gas cylinder 1 after the spiral winding pipe in the first liquid nitrogen case 6, due to heat
It is low-temperature airflow in exchange, collecting pipe 7 and spray chamber 17, and is sprayed out of nozzle 18；Then the second pressure reducing valve 5 is adjusted, is controlled
5 pressure of the second pressure reducing valve is made greater than the first pressure reducing valve 4, subcooled water sprays into spray chamber 17 by atomizer 16 by check valve 15,
Subcooled water is influenced by atomization vibration, and fast nucleation freezes, and forms ice pellets；Ice pellets falls into collecting pipe 7, ice pellets from spray chamber 17
Accelerated to spray out of nozzle 18 by high pressure draught, forms ice pellets gas jet；
3) raw material are recycled, at the end of, since subcooled water receives vibration, ice-nucleus easy to form, so that triggering is large-scale
Icing phenomenon, the subcooled water being not used should continue to spray, until the complete ejection position of subcooled water in heat exchanger 82, is closed simultaneously
Close blower 11 and supersonic generator 85, the one 4 and second pressure reducing valve 5, open the 1st and second 91 pairs of note nitrogen mouth be not used
Liquid nitrogen recycled.
Compared with prior art, the utility model has the following beneficial effects:
1. the utility model is less than 0 °C of water not frozen yet using subcooled water, receives disturbance or the nuclei of condensation are artificially added
Then flash freeze prepares ice pellets, compensates for viscous on duct wall since large water droplet can not quickly freeze, and is easy obstruction
The phenomenon that；
2. the utility model uses liquid nitrogen as refrigerant, while assisting accelerating distinguished and admirable circulation rate using blower, accelerate
Distilled water fast cooling controls liquid nitrogen flow, section by thermostat valve using computer monitoring airflow temperature and distillation coolant-temperature gage
Accelerate the speed of subcooled water while energy；
3. the utility model prepares high-speed low temperature gas using the device of " liquid nitrogen bath " formula, it ensure that water droplets condense
Inhibit in ultralow temperature high-speed gas at after ice pellets particle, shape size is uniform, it can also be ensured that ice pellets is evenly distributed, together
Shi Caiyong " liquid nitrogen bath " prevents influence of the moisture extra in air to equipment；
4. the utility model uses ultrasonic levitation device, prevent because the dust on heat exchanger inner wall encounters high cold water and stands
It freezes, is not available device；
5. obtained greatly simplified and finer control relative to original fluidic device, reduce jet stream operation at
This, improves the efficiency and precision of jet stream operation.
Claims (8)
1. a kind of device for preparing ice pellets gas jet using subcooled water, which is characterized in that including high pressure gas cylinder, the high pressure gas
Bottle is connected with the first liquid nitrogen case by first branch pipeline, and the first liquid nitrogen case other end is connected by collecting pipe with nozzle,
Collecting pipe between the first liquid nitrogen case and nozzle is equipped with atomization box；High pressure gas cylinder is connected with wind by second branch pipeline
Flow circulating system, the distinguished and admirable circulatory system includes heat exchanger, and the heat exchanger upper end is connect with second branch pipeline, heat exchanger
Left end is connected with threeway by pipeline, and threeway is connect with the second liquid nitrogen case and blower respectively, the right side of the blower other end and heat exchange box
End connection, heat exchange box bottom are connect by pipeline with the atomizer inside atomization box.
2. the device according to claim 1 for preparing ice pellets gas jet using subcooled water, which is characterized in that the heat exchange
Device includes the cold water pipes being arranged in heat exchange box, and heat exchange box upper end is equipped with cold water pipes water filling port, and heat exchange box bottom end is equipped with cold
Waterpipe water outlet, water outlet lower channel are equipped with check valve, are equipped with air taking port, the heat exchange box at the center of heat exchange box top
Left and right ends are respectively equipped with ultrasonic generator and reflector.
3. the device according to claim 2 for preparing ice pellets gas jet using subcooled water, which is characterized in that the cold water
The first temperature sensor is equipped in pipeline, bypassing circulation pipeline inner blower lower end is equipped with second temperature sensor, the first liquid nitrogen case
Bottom end is equipped with thermostat valve, and is controlled by computer.
4. the device according to claim 1 for preparing ice pellets gas jet using subcooled water, which is characterized in that described first
Bypass line is equipped with the first pressure reducing valve, and second branch pipeline is equipped with the second pressure reducing valve.
5. the device according to claim 1 for preparing ice pellets gas jet using subcooled water, which is characterized in that described first
Tap line and second branch pipeline are common pressure-bearing pipe, and remaining pipes are insulating tube, are covered with thermal insulation material outside and can hold
Carry certain pressure.
6. the device according to claim 1 for preparing ice pellets gas jet using subcooled water, which is characterized in that described first
Liquid nitrogen case is equipped with the first safety valve, and the second liquid nitrogen case is equipped with the second safety valve, left close to heat exchange box in distinguished and admirable circulating line
Side ducts are equipped with third safety valve.
7. the device according to claim 1 for preparing ice pellets gas jet using subcooled water, which is characterized in that described first
Spiral winding pipe is equipped in liquid nitrogen case, spiral winding pipe immerses in liquid nitrogen.
8. the device according to claim 6 for preparing ice pellets gas jet using subcooled water, which is characterized in that described second
The specification of safety valve is greater than third safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064806.3U CN209207270U (en) | 2018-12-10 | 2018-12-10 | A kind of device preparing ice pellets gas jet using subcooled water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822064806.3U CN209207270U (en) | 2018-12-10 | 2018-12-10 | A kind of device preparing ice pellets gas jet using subcooled water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209207270U true CN209207270U (en) | 2019-08-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822064806.3U Expired - Fee Related CN209207270U (en) | 2018-12-10 | 2018-12-10 | A kind of device preparing ice pellets gas jet using subcooled water |
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| CN (1) | CN209207270U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262474A (en) * | 2018-12-10 | 2019-01-25 | 河南理工大学 | A kind of device and method preparing ice pellets gas jet using subcooled water |
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2018
- 2018-12-10 CN CN201822064806.3U patent/CN209207270U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109262474A (en) * | 2018-12-10 | 2019-01-25 | 河南理工大学 | A kind of device and method preparing ice pellets gas jet using subcooled water |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190806 Termination date: 20201210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |