CN101852525A - Dynamic ice-making method and system thereof - Google Patents
Dynamic ice-making method and system thereof Download PDFInfo
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- CN101852525A CN101852525A CN200910106248A CN200910106248A CN101852525A CN 101852525 A CN101852525 A CN 101852525A CN 200910106248 A CN200910106248 A CN 200910106248A CN 200910106248 A CN200910106248 A CN 200910106248A CN 101852525 A CN101852525 A CN 101852525A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/85—Food storage or conservation, e.g. cooling or drying
Abstract
The invention provides dynamic ice-making method and system thereof. The dynamic ice-making method comprises the steps of adding a carbon nano additive to an ice-storing solution, and mixing to make into a nano ice-making solution. The dynamic ice-making system comprises a refrigeration system and an ice-storing system filled with the carbon nano ice-making solution. By adding the super-hydrophilic and super-lipophilic carbon nano additive to the ice-making solution simultaneously, and uniformly mixing the carbon nano additive and water to make into the nano ice-making solution to enhance the capability of inhibiting ice crystal coalescence, the dynamic ice-making method and system thereof have the advantages of high efficiency and energy saving.
Description
Technical field
The present invention relates to a kind of dynamic ice-making method and system of having improved.
Background technology
Utilizing subcooled water to carry out continuous dynamic ice-making is a kind of new ice making mode that development in recent years is got up, its principle is: water is cooled in subcooler (ice maker) and reaches supercooled state (temperature that promptly is below the freezing point but still non-icing special state), stream is through behind the cold remover, its supercooled state elimination also becomes mixture of ice and water in ice generator, the ice slurry that separates water outlet and higher concentration then by filter, the water that wherein is separated continues to circulate in system, and the ice slurry then is stored in the Ice Storage Tank.Water must be through strict control to the state that freezes via supercooled state, takes place to freeze in ice generator avoiding, thereby cause that ice is stifled.
Yet because the supercooled state in the dynamic ice-making process is a kind of metastable condition, the stifled phenomenon of ice often appears in the less stable of existing dynamic ice-making technology, has influenced ice making efficient; And, existing dynamic ice-making system can be cooled to supercooled state smoothly for the fluid that guarantees to enter in the ice maker, fluid needed to heat (being heated to 10 degrees centigrade usually) before entering system, and then entered subcooler, had caused a large amount of energy wastes like this.
Therefore, provide a kind of energy-efficient dynamic ice-making system and method the real necessity that belongs to.
Summary of the invention
The purpose of this invention is to provide a kind of dynamic ice-making method and system, be intended to solve the defectives such as efficient low and high energy consumption that exist in the existing dynamic ice-making technology.
Dynamic ice-making method provided by the invention is to add the carbon nanometer additive in ice-reserving solution, makes nanometer ice making solution after the mixing.
Further, described carbon nanometer additive is a carbon nano-tube material.
Dynamic ice-making system provided by the invention comprises refrigeration system and is marked with the ice storage system of carbon nanometer ice making solution, comprises cold-producing medium and the compressor, condenser, liquid reservoir, electric expansion valve, the vapour liquid separator that connect successively in the described refrigeration system.
Further, described ice storage system comprises ice maker, Ice Storage Tank, user's water circulating pump and the booster pump that connects successively, and described carbon nanometer ice making solution is contained in ice maker and the Ice Storage Tank.
Further, described ice maker adopts the vertical ice maker of package, and the outlet of ice slurry is arranged on the top of ice maker, and the import of user's backwater circulation is arranged on the bottom of ice maker.
Further, comprise the cold-producing medium that circulates and in ice maker, evaporate gasification in the described refrigeration system.
Dynamic ice-making method and system provided by the invention add in ice making solution and have Superhydrophilic and super oil loving carbon nanometer additive simultaneously, and its beneficial effect is as follows:
1, carbon nanometer additive and water evenly are mixed and made into nanometer ice making fluid, the inhibition ability coalescent to ice crystal will increase greatly;
2, nanometer additive not only can make the heat convection in the ice slurry generative process be strengthened, but also can reduce even eliminate its icing degree of supercooling significantly;
3, carbon nano-particle can be done lubrication, can strengthen the not viscosity of heat exchange surface, and critical heat flux density can improve greatly.
4, adopt the carbon nanometer additive to generate the ice slurry, need before fluid is entering system, additionally not heat, saved the energy.
Description of drawings
Fig. 1 is the structural representation of dynamic ice-making system involved in the present invention.
The specific embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Shown in Fig. 1, dynamic ice-making system provided by the invention comprises refrigeration system and ice storage system two parts.Refrigeration system comprises compressor 1, condenser 2 (air-cooled condenser), liquid reservoir 3, electric expansion valve 4 and the vapour liquid separator 9 that connects successively; Ice storage system comprises ice maker 5, Ice Storage Tank 7, user's water circulating pump 6 and the booster pump 8 that connects successively, in described ice maker 5 and Ice Storage Tank 7, be marked with ice-reserving solution, in the present embodiment, described ice maker 5 adopts the vertical ice maker of package, the outlet of ice slurry is arranged on the top of ice maker 5, the import of user's backwater circulation then is arranged on the bottom of ice maker, water can be recycled by user's water circulating pump 6.
What circulate in the described refrigeration system is R22 type cold-producing medium.Refrigerant gas enters condenser 2 after 1 li on compressor is compressed, in condenser 2, be condensed into liquid, highly pressurised liquid enters electric expansion valve 4 through liquid reservoir 3, enter ice maker 5 after the decompression, cold-producing medium is carburation by evaporation in ice maker 5, and last low-pressure gas does not separate through vapour liquid separator 9 and enters compressor behind the evaporating liquid, finishes kind of refrigeration cycle, the kind of refrigeration cycle of this kind of refrigeration cycle and air-conditioner is similar, does not give unnecessary details at this.
Ice maker 5 in the ice storage system produces and isolated ice slurry enters Ice Storage Tank 7, dynamic ice-making of the present invention is to add the carbon nanometer additive in ice making solution, make ice making solution under the situation that does not reduce freezing point temperature, effectively to suppress growth and the cohesion of ice crystal on heat exchange surface in the solution.Simultaneously, the ice crystal that the carbon nanometer additive generates in can dispersion soln under the low concentration situation, anti-stagnant ice is stifled and reduce the on-way resistance of ice slurry in conveying pipe, has improved the efficient of producing the ice oar continuously.Simultaneously, carbon nano-particle can be reduced in the adhesion on the heat-transfer surface, prolongs the time of producing the ice slurry continuously, increases substantially critical heat flux density.Above-mentioned advantage makes the ice slurry of 5 li generations of ice maker be easy to be transported in the Ice Storage Tank 7, and the ice slurry floats on the liquid level through after the Gravity Separation, and remaining ice making solution enters ice maker 5 continuous ice-makings through booster pump 8.
The preferred material of above-mentioned carbon nanometer additive is a CNT, CNT is a kind of carbon molecule of tubulose, each carbon atom is taked SP2 hydridization on the pipe, each other with carbon-to-carbon σ bond altogether, forms the alveolate texture be made up of the hexagon skeleton as CNT.The a pair of p electronics that has neither part nor lot in hydridization on each carbon atom forms the conjugated pi electron cloud of crossing over whole CNT each other.According to the number of plies difference of pipe, the radial direction that is divided into SWCN and multi-walled carbon nano-tubes CNT is very thin, has only nanoscale.
The above only is preferred embodiment of the present invention, and in order to restriction the present invention, for example, the refrigerant type that adopts in the dynamic ice-making system is not limited to R22, and condenser 2 also is not limited to air cooled condenser, or the like.All any modifications of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the protection domain of claim of the present invention.
Claims (5)
1. a dynamic ice-making method is characterized in that, adds the carbon nanometer additive in ice-reserving solution, makes nanometer ice making solution after the mixing.
2. dynamic ice-making method according to claim 1 is characterized in that: described carbon nanometer additive is a carbon nano-tube material.
3. according to the dynamic ice-making system of the described dynamic ice-making method of claim 1, it comprises refrigeration system, comprise cold-producing medium and the compressor, condenser, liquid reservoir, electric expansion valve, the vapour liquid separator that connect successively in the described refrigeration system, it is characterized in that: described dynamic ice-making system further comprises the ice storage system that is marked with carbon nanometer ice making solution.
4. dynamic ice-making system according to claim 3 is characterized in that: described ice storage system comprises ice maker, Ice Storage Tank, user's water circulating pump and the booster pump that connects successively, and described carbon nanometer ice making solution is contained in ice maker and the Ice Storage Tank.
5. dynamic ice-making system according to claim 4 is characterized in that: described ice maker adopts the vertical ice maker of package, and the outlet of ice slurry is arranged on the top of ice maker, and the import of user's backwater circulation is arranged on the bottom of ice maker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106248A CN101852525A (en) | 2009-03-30 | 2009-03-30 | Dynamic ice-making method and system thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910106248A CN101852525A (en) | 2009-03-30 | 2009-03-30 | Dynamic ice-making method and system thereof |
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| CN101852525A true CN101852525A (en) | 2010-10-06 |
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| CN200910106248A Pending CN101852525A (en) | 2009-03-30 | 2009-03-30 | Dynamic ice-making method and system thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901294A (en) * | 2012-09-28 | 2013-01-30 | 南京航空航天大学 | Frozen steam type ice slurry preparation system by air cycle refrigeration |
| CN107192185A (en) * | 2017-07-17 | 2017-09-22 | 成都中装能源科技有限公司 | Hydraulic agitation device and ice machine in Ice Storage Tank |
| CN107504733A (en) * | 2017-07-25 | 2017-12-22 | 浦江县酉泽水产科技有限公司 | A kind of automatical and efficient ice-making system |
| CN111380132A (en) * | 2020-03-24 | 2020-07-07 | 广东高精机电设备开发有限公司 | Supercooled water dynamic ice storage device and ice making method thereof |
| CN112178996A (en) * | 2020-08-31 | 2021-01-05 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Method for quickly making ice and ice making device |
| US11087038B2 (en) | 2019-05-02 | 2021-08-10 | Suntracker Technologies Ltd. | Importance-directed geometric simplification system and method |
-
2009
- 2009-03-30 CN CN200910106248A patent/CN101852525A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102901294A (en) * | 2012-09-28 | 2013-01-30 | 南京航空航天大学 | Frozen steam type ice slurry preparation system by air cycle refrigeration |
| CN107192185A (en) * | 2017-07-17 | 2017-09-22 | 成都中装能源科技有限公司 | Hydraulic agitation device and ice machine in Ice Storage Tank |
| CN107504733A (en) * | 2017-07-25 | 2017-12-22 | 浦江县酉泽水产科技有限公司 | A kind of automatical and efficient ice-making system |
| US11087038B2 (en) | 2019-05-02 | 2021-08-10 | Suntracker Technologies Ltd. | Importance-directed geometric simplification system and method |
| CN111380132A (en) * | 2020-03-24 | 2020-07-07 | 广东高精机电设备开发有限公司 | Supercooled water dynamic ice storage device and ice making method thereof |
| CN112178996A (en) * | 2020-08-31 | 2021-01-05 | 天津职业技术师范大学(中国职业培训指导教师进修中心) | Method for quickly making ice and ice making device |
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Application publication date: 20101006 |