CN206648367U - A kind of device for preventing ice crystal from being propagated in subcooled water flowing - Google Patents
A kind of device for preventing ice crystal from being propagated in subcooled water flowing Download PDFInfo
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- CN206648367U CN206648367U CN201720403308.XU CN201720403308U CN206648367U CN 206648367 U CN206648367 U CN 206648367U CN 201720403308 U CN201720403308 U CN 201720403308U CN 206648367 U CN206648367 U CN 206648367U
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Abstract
The utility model prevents ice crystal from including preventing transmission pipe in the device of supercooling water transmission to be a kind of, promote brilliant device, air blower and pipeline, it is characterised in that, preventing transmission pipe includes preventing transmission tube inlet, preventing transmission pipe exports, and cold water runner, cold water runner periphery is provided with shell, the structure of connection external air source is provided with shell, the air chamber formed between cold water runner outer peripheral face and above-mentioned shell, connectivity structure is provided with the inner pipe wall of cold water runner, the connectivity structure makes cold water runner inner peripheral surface form air cushion layer；The outlet of preventing transmission pipe is connected by pipeline with promoting brilliant device inlet tube, is promoted brilliant device outlet and is connected by pipeline with air blower, air blower is connected as external air source with the preventing transmission pipe.The utility model device can effectively block ice crystal adverse current to propagate, and avoid that water- to-water heat exchanger inner icing is subcooled, runner blocks, it is ensured that the reliable and stable operation of supercooling ability of swimming characteristics of dynamic ice slurry reparation technology.
Description
Technical field
Supercooling ability of swimming characteristics of dynamic ice slurry preparation technique is the utility model is related to, ice crystal is prevented in subcooled water more particularly to one kind
The device of middle propagation.
Background technology
Subcooled water refers to the natural supercooling characteristic that water has, although temperature remains to already below freezing point temperature (0 DEG C)
Keep non-icing liquid condition under certain condition, the water under this state is just subcooled water.Supercooling ability of swimming characteristics of dynamic ice slurry is produced
Technology is a kind of new and effective ice making technique, and its general principle is aqueous water using high-performance heat exchanger (such as plate type heat exchanger)
Cooling down is subcooled water during away from heat exchanger to -2 DEG C.Subcooled water enters the brilliant device of rush immediately after leaving heat exchanger, promotees
There is the space of Ultrasonic Radiation in brilliant device, subcooled water will be changed into ice slurry rapidly under the stimulation of ultrasonic wave wherein.Ice slurry is most
After be transported in Ice Storage Tank and store.It is a kind of ice-making technology of advanced energy-conservation that ability of swimming dynamic ice-making technique, which is subcooled, has heat transfer
The outstanding advantages such as efficiency high, energy consumption for cooling be low, are widely used in the fields such as central air-conditioning cold-storage, technical cooling, fishery, have
Very wide market prospects.
It is subcooled in ability of swimming characteristics of dynamic ice slurry reparation technology in the presence of a crucial technical barrier --- ice crystal is in subcooled water
Propagate.Subcooled water be it is a kind of be below the freezing point but the temporary transient metastable state liquid that does not freeze also, its under the stimulation of various external interferences all
There is very strong phase transformation icing trend, these interference include flow-disturbing, shock, Ultrasonic Radiation, ice crystal excite that (ice crystal is that subcooled water is excellent
Good nucleator) etc..In characteristics of dynamic ice slurry producing process, it is ice slurry to promote in brilliant device 3, wherein in the presence of substantial amounts of crystal ice granule, this
A little crystal ice granules are the natural excellent icing nucleators of subcooled water, can be with rapid induction supercooled water icing.Even if subcooled water is present
One larger flow velocity, also it is not enough to the induction icing trend for preventing these ice crystals along countercurrent direction to subcooled water, especially ice
The ice of crystalline substance induction subcooled water generation has quite a few to be firmly attached on circulation duct internal face, and this part ice can not more pass through
Supercooling water flow velocity is increased to wash away, therefore final result is that ice crystal along pipeline wall, propagate step by step by adverse current " creeping ", most
After spread into supercooling water- to-water heat exchanger 4.Once ice crystal spreads into supercooling water- to-water heat exchanger 4, then can quickly result in inside heat exchanger
Freeze, runner blocks, and loses exchange capability of heat, so as to which whole ice-make cycle is forced to stop.Therefore, in order to ensure system is steady for a long time
Determine reliability service, it is necessary to effectively block the adverse current of above-mentioned ice crystal to propagate.This just needs in subcooled water heat exchanger exit and promotees brilliant device
The device that can effectively block ice crystal adverse current to propagate is set on the connecting leg between entrance, just can ensure that subcooled water formula characteristics of dynamic ice slurry system
The reliable and stable operation of taking technique.
In the prior art, commonplace ice crystal blocking propagation technology is mainly chuck heating.This method be by
The outer wall side heating of subcooled water circulation duct, while exigent polishing and hydrophobic coat processing are carried out to inner wall surface thereof, with
Reach the purpose for blocking ice crystal to propagate.Problems be present in this method：The unstability of one side heat source can obvious shadow
Ring and block efficiency.In practicality, the stability of heat source is difficult to control.Thermal source is typically carried by refrigeration host computer cooling circulating water
For in different seasons, cooling temperature of circulating water fluctuation is larger, and circular flow is also difficult to dynamic monitoring, therefore frequently results in ice
Brilliant transmission blockage ability declines or failure.On the other hand, in pipe after the processing of polished and hydrophobic coat, its surface appearance can be with
The passage of run time and run down, and this also results in the decline or failure of ice crystal transmission blockage ability.Therefore, using folder
Set heating can influence the long-time stability and reliability of ice slurry reparation technology process.
Chinese patent CN1409078A discloses ice making method and ice maker, and specifically discloses and prevented in the device
Ice absorption in the device of connection inside pipe wall, water (non-subcooled water) injection before heat exchanger entrance entered by the way of the flow type pump with injection on
Annular fracture is stated, is allowed to be formed about the thin-walled water layer of a non-supercooling in inside pipe wall face, ice crystal is prevented on wall with this
Attachment.This technology difficulty in the control of distribution flow type pump with injection and main flow flow is very big, and assignment of traffic is unreasonable will to be caused to block
Ice making two kinds of negative consequences of efficiency are sacrificed in failure；The water-carrying capacity flowed out from the gap d of connecting tube is difficult to control, so as to cause
The stability of liquid film is poor；And the liquid film is formed by 0.5 DEG C of water, and the water temperature of the liquid film easily changes, it is not easy to controls
System.
Utility model content
To solve the above problems, the utility model discloses a kind of new dress for preventing ice crystal from being propagated in subcooled water flowing
Put, the device can effectively block ice crystal adverse current to propagate, and ensure the work of heat exchanger normal table.
Concrete technical scheme of the present utility model is：
A kind of preventing transmission pipe for preventing ice crystal from propagating, the preventing transmission pipe include preventing transmission tube inlet, and the outlet of preventing transmission pipe is cold
Water flow passage, it is characterised in that cold water runner periphery is provided with shell, and the structure of connection external air source, cold water are provided with shell
The air chamber formed between runner outer peripheral face and above-mentioned shell, connectivity structure is provided with the inner pipe wall of cold water runner, the connection
Structure makes cold water runner inner peripheral surface form air cushion layer.Described connectivity structure is through hole, and the through hole is uniformly densely arranged at
On the inner pipe wall of cold water runner；The structure setting of the connection external air source is chamber inlet.
A kind of device for preventing ice crystal in supercooling water transmission, the device include preventing transmission pipe, promote brilliant device, air blower and pipe
Road, it is characterised in that preventing transmission pipe includes preventing transmission tube inlet, and the outlet of preventing transmission pipe, cold water runner, cold water runner periphery is set
Have shell, be provided with shell connection external air source structure, the air chamber formed between cold water runner outer peripheral face and above-mentioned shell,
Connectivity structure is provided with the inner pipe wall of cold water runner, the connectivity structure makes cold water runner inner peripheral surface form air cushion layer；Anti- biography
Broadcast pipe outlet by pipeline with promoting brilliant device inlet tube to be connected, promote brilliant device outlet and be connected by pipeline with air blower, air blower is made
It is connected for external air source with the preventing transmission pipe.Described connectivity structure is through hole, and the through hole is uniformly densely arranged at
On the inner pipe wall of cold water runner；The structure setting of the connection external air source is chamber inlet.
Further, it is described to promote to be provided with the brilliant device of ultrasonic wave rush in brilliant device 3.Promote brilliant device and be additionally provided with the delay of ice slurry ice slurry
Chamber and gas separation chamber, being connected between ice slurry residual chamber and gas separation chamber, the ice slurry residual chamber, which is arranged on, promotees brilliant device bottom,
It is shaped as cylindrical space；The gas separation chamber, which is arranged at, promotees brilliant device top, and it is shaped as a top returning for cone
Turn container；Described to promote brilliant device outlet as gas separation chamber outlet, it is arranged at the top of gas separation chamber.
In addition, promoting to be additionally provided with liquid level sensor in brilliant device, situation is lifted for detecting the liquid level promoted in brilliant device.Gas point
From being provided with aeration valve in the connecting tube of chamber and air blower.
A kind of refrigeration system for including the device for preventing ice crystal in supercooling water transmission, in addition to Ice Storage Tank, water pump and
Water- to-water heat exchanger is subcooled, it is characterised in that the cold water inlet pipe of the Ice Storage Tank connection supercooling water- to-water heat exchanger, the subcooled water heat exchange
The cooling water outlet pipe connection preventing transmission tube inlet of device；The water pump is connected with Ice Storage Tank, for driving the water in Ice Storage Tank to flow to
In the supercooling water- to-water heat exchanger.
The utility model can realize following beneficial effect compared with prior art：
1. air can be formed about one layer of uniform air cushion layer in the internal face of punching inner tube 103.Air cushion layer has " light
The fluid-mechanical effect of cunning ", serves the effect of isolation, and subcooled water and the internal face of supercooling water flow passage 104 will be caused to keep apart
Come, also ice crystal will be caused can not to be attached on tube wall face due to the presence of air cushion, effectively prevent creeping for ice crystal.Therefore,
Air cushion layer serves the technique effect for preventing that ice crystal from propagating, it is ensured that swims across the continuous and steady operation bar of cold-water heat exchanger thereon
Part.
2. being used as separation layer using air cushion layer, air cushion layer only needs to control its return air quantity and air pressure, without
Extra addition thermal source is wanted, control process need not carry out management and control to the temperature of air cushion layer.The control device of air capacity and air pressure
Simple and flexible, control method stability are good.By the control for air pressure, so as to reach the mesh of control air cushion layer characteristic
, and then realize isolation of the air cushion layer to subcooled water and the barrier effect to ice crystal.
3. the isolation pipe device simple general-purpose, barrier effect is good, and cost is low, and stability is good, is applicable to a variety of refrigeration systems
In system.And the pipeline of original refrigeration system need not be reequiped, such as be polished and handled with hydrophobic coat, and not
The structure and annexation of original refrigeration system can be influenceed.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model device；
Fig. 2 is the schematic diagram of preventing transmission pipe.
Embodiment
With reference to the drawings and specific embodiments, the utility model is described in further detail.In Fig. 1, clear water is by water pump
(not shown) circulation driving, flows out from Ice Storage Tank (not shown), enters supercooling water- to-water heat exchanger 4 via cold water inlet pipe 5.Clear water exists
In cold-water heat exchanger, it is cooled to -2 DEG C (0 DEG C of the temperature that are below the freezing point), is formed by the low temperature refrigerant from refrigeration system (not shown)
Subcooled water, then discharge supercooling water- to-water heat exchanger 4 by cooling water outlet pipe 6.Subcooled water flows through preventing transmission pipe 1, enters and promotees brilliant device
It is interior；Specifically, flowed into from preventing transmission tube inlet 107, flow through the supercooling water flow passage 104 of preventing transmission pipe 1, then from preventing transmission pipe
The outflow of outlet 108, the brilliant device 3 of rush is flowed into from brilliant device inlet tube 7 is promoted.Promote that the rush for promoting subcooled water phase transformation to freeze is installed in brilliant device 3
Brilliant device (not shown), the rush crystalline substance device may be configured as ultrasonic wave and promote brilliant device.In the case where ultrasonic wave promotees brilliant effect, -2 DEG C of supercooling
Water is changed into rapidly ice slurry in the bottom ice slurry residual chamber 301 for promoting brilliant device 3, and temperature returns to 0 DEG C.The ice slurry of above-mentioned generation
Leave the brilliant device 3 of rush through the brilliant device ice slurry outlet 9 of rush and return to Ice Storage Tank and store.In Ice Storage Tank, because density be present in ice, water
Difference and natural layering, continue water therein to be sent to water inlet pipe 5, so as to the above-mentioned mistake of circulation progress again and again by water pump
The producing process of cold water and ice slurry, increasing water is gradually produced into ice in final Ice Storage Tank.
In fig. 2, the series connection access preventing transmission pipe 1 between supercooling water- to-water heat exchanger 4 and the brilliant device 3 of rush, that is, be subcooled water outlet pipe 6
It is connected with preventing transmission tube inlet 107, promotees brilliant device inlet tube 7 and be connected with preventing transmission pipe outlet 108.Promoting the gas separation of brilliant device 3
Connected between chamber 302 and the air chamber 102 of preventing transmission pipe 1 air blower 2, i.e. the entrance phase of gas separation chamber outlet 8 and air blower 2
Even, the chamber inlet 106 of preventing transmission pipe 1 is connected with the outlet of air blower 2.Gas separation chamber 8 in the connecting tube of air blower 2 with setting
It is equipped with valve.
When subcooled water flows through the supercooling water flow passage 104 of preventing transmission pipe 1, the air chamber by air blower 2 toward preventing transmission pipe 1
The air with certain pressure is sent into 102.These air are in the presence of air blower pressure, along punching inner tube 103 surface
Upper intensive a large amount of fine through holes 105 enter the inside supercooling water flow passage 104 of punching inner tube 103, and in punching inner tube 103
Near wall forms one layer of uniform air cushion layer.Gas in air cushion layer can mix with the subcooled water in supercooling water flow passage 104 quickly
With flow away, but because above-mentioned air blower 2 continuous operation, air also continually supplement enter above-mentioned air cushion layer, therefore before
It is existing all the time in dynamic to state air cushion layer.The presence of above-mentioned air cushion layer causes subcooled water with the inwall of water flow passage 104 is subcooled
Separation layer is formd between face, and air cushion has the fluid-mechanical effect of very " smooth ".So, come from downstream travel
Ice crystal, it can not be attached to due to the presence of air cushion on tube wall face, therefore ice crystal, which is propagated, loses foundation, in supercooling water flow velocity
Under washing away, it is effectively blocked near preventing transmission pipe 1, it is ensured that swimming across the continuous and steady operation bar of cold-water heat exchanger thereon
Part.
On the other hand, entrainment is finally all mixed into rush from above-mentioned through hole 105 into the air that water flow passage 104 is subcooled
Brilliant device 3, because air-liquid density variation is huge, floating gathers the gas separation chamber for promoting the brilliant top of device 3 to most of air rapidly
In 302, few partial air is then carried secretly from the brilliant device ice slurry outlet 9 of rush by ice slurry to flow out.It is gathered in gas separation chamber 302
Air then continues to be sent into air chamber 102 through gas separation chamber outlet 8 is pressurized under being drawn of air blower, circulates aforementioned process.
Due to there is sub-fraction to leave system by ice slurry entrainment in the total amount of above-mentioned circulation air all the time, circulation air is being
Reserves in system can be fewer and fewer, therefore is demarcated by being arranged in ice slurry residual chamber 301 and gas separation chamber 302 in the brilliant device 3 of rush
The liquid level sensor 11 of (near horizontal plane i.e. therein) carrys out the reserves of circulation air in detecting system near face.Work as circulation air
When reserves are reduced, the liquid level that above-mentioned liquid level sensor 11 detects will rise.When the reserves of circulation air are reduced under setting
During limit value, then aeration valve 10 is opened, toward the interior necessary air of supplement of system；When circulation air reserves add to sets target value
When, then close aeration valve 10.
As a kind of preferred scheme, frequency conversion air blower can be selected in above-mentioned air blower, so as to be transported by adjusting air blower
Turn frequency and accurately control return air quantity, the blocking for making preventing transmission pipe 1 propagate ice crystal is just right, that is, reaches and block ice crystal to pass
The purpose broadcast, fan energy consumption can be made minimum again.
Embodiment not limited to this of the present utility model, according to the above of the present utility model, utilizes the general of this area
Logical technological know-how and customary means, under the premise of the above-mentioned basic fundamental thought of the utility model is not departed from, the utility model may be used also
To make the modification of other diversified forms, replacement or change, all fall within the utility model rights protection scope.
Claims (9)
1. a kind of preventing transmission pipe for preventing ice crystal from propagating, the preventing transmission pipe includes preventing transmission tube inlet, the outlet of preventing transmission pipe, cold water
Runner, it is characterised in that cold water runner periphery is provided with shell, and the structure of connection external air source, cold water stream are provided with shell
The air chamber formed between road outer peripheral face and above-mentioned shell, connectivity structure is provided with the inner pipe wall of cold water runner, the connection knot
Structure makes cold water runner inner peripheral surface form air cushion layer.
2. a kind of preventing transmission pipe as claimed in claim 1, it is characterised in that described connectivity structure is through hole, the through hole
Uniformly densely it is arranged on the inner pipe wall of cold water runner；The structure setting of the connection external air source is chamber inlet.
3. a kind of device for preventing ice crystal in supercooling water transmission, the device include preventing transmission pipe, promote brilliant device, air blower and pipe
Road, it is characterised in that preventing transmission pipe includes preventing transmission tube inlet, and the outlet of preventing transmission pipe, cold water runner, cold water runner periphery is set
Have shell, be provided with shell connection external air source structure, the air chamber formed between cold water runner outer peripheral face and above-mentioned shell,
Connectivity structure is provided with the inner pipe wall of cold water runner, the connectivity structure makes cold water runner inner peripheral surface form air cushion layer；Anti- biography
Broadcast pipe outlet by pipeline with promoting brilliant device inlet tube to be connected, promote brilliant device outlet and be connected by pipeline with air blower, air blower is made
It is connected for external air source with the preventing transmission pipe.
4. a kind of prevent ice crystal in the device of supercooling water transmission as claimed in claim 3, it is characterised in that described connection knot
Structure is through hole, and the through hole is uniformly densely arranged on the inner pipe wall of cold water runner；The structure of the connection external air source
It is arranged to chamber inlet.
5. a kind of prevent ice crystal in the device of supercooling water transmission as claimed in claim 3, it is characterised in that described to promote brilliant device 3
Inside it is provided with ultrasonic wave and promotees brilliant device.
6. a kind of prevent ice crystal in the device of supercooling water transmission as described in claim 3 or 5, it is characterised in that described to promote crystalline substance
Device includes ice slurry ice slurry residual chamber and gas separation chamber, is connected between ice slurry residual chamber and gas separation chamber, and the ice slurry is detained
Chamber, which is arranged on, promotees brilliant device bottom, and it is shaped as cylindrical space；The gas separation chamber, which is arranged at, promotees brilliant device top, and it is shaped as
One top is conical revolving body container；Described to promote brilliant device outlet as gas separation chamber outlet, it is arranged at gas separation chamber
Top.
7. a kind of prevent ice crystal in the device of supercooling water transmission as claimed in claim 6, it is characterised in that described to promote in brilliant device
Liquid level sensor is additionally provided with, situation is lifted for detecting the liquid level promoted in brilliant device.
8. it is a kind of as claimed in claim 7 prevent ice crystal supercooling water transmission device, it is characterised in that gas separation chamber with
Aeration valve is provided with the connecting tube of air blower.
9. a kind of refrigeration system for including the device for preventing ice crystal in supercooling water transmission, in addition to Ice Storage Tank, water pump and mistake
Cold-water heat exchanger, it is characterised in that the cold water inlet pipe of the Ice Storage Tank connection supercooling water- to-water heat exchanger, the supercooling water- to-water heat exchanger
Cooling water outlet pipe connection preventing transmission tube inlet；The water pump is connected with Ice Storage Tank, for driving the water in Ice Storage Tank to flow to institute
State in supercooling water- to-water heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720403308.XU CN206648367U (en) | 2017-04-17 | 2017-04-17 | A kind of device for preventing ice crystal from being propagated in subcooled water flowing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720403308.XU CN206648367U (en) | 2017-04-17 | 2017-04-17 | A kind of device for preventing ice crystal from being propagated in subcooled water flowing |
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| Publication Number | Publication Date |
|---|---|
| CN206648367U true CN206648367U (en) | 2017-11-17 |
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ID=60277779
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720403308.XU Active CN206648367U (en) | 2017-04-17 | 2017-04-17 | A kind of device for preventing ice crystal from being propagated in subcooled water flowing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206648367U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895624A (en) * | 2017-04-17 | 2017-06-27 | 广州高菱机电工程有限公司 | A kind of device and ice making method that prevent ice crystal from being propagated in subcooled water flowing |
-
2017
- 2017-04-17 CN CN201720403308.XU patent/CN206648367U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106895624A (en) * | 2017-04-17 | 2017-06-27 | 广州高菱机电工程有限公司 | A kind of device and ice making method that prevent ice crystal from being propagated in subcooled water flowing |
| CN106895624B (en) * | 2017-04-17 | 2022-10-18 | 广州高菱机电工程有限公司 | Device for preventing ice crystals from spreading in supercooled water flow and ice making method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180413 Address after: 510520 Tianhe District, Guangzhou Province, Guang Shan Road, No. two, room second, floor 202, room 604 Patentee after: GUANGZHOU KOLIN ENERGY TECHNOLOGY CO., LTD. Address before: Two road 510520 Guangdong city of Guangzhou province Tianhe District Guangshan No. 604 Tianhe Software Park building C Room 201 Ke Mu Lang Park Patentee before: GUANGZHOU KOLIN MECHANICAL & ELECTRICAL ENGINEERING CO., LTD. |
|
| TR01 | Transfer of patent right |