CN1712829A - Dynamic ice cool storage method and apparatus thereof - Google Patents
Dynamic ice cool storage method and apparatus thereof Download PDFInfo
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- CN1712829A CN1712829A CNA2005100889219A CN200510088921A CN1712829A CN 1712829 A CN1712829 A CN 1712829A CN A2005100889219 A CNA2005100889219 A CN A2005100889219A CN 200510088921 A CN200510088921 A CN 200510088921A CN 1712829 A CN1712829 A CN 1712829A
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
A method for accumulating cold by dynamic ice includes such steps as loading the mixture of water and the cold medium in the form of liquid colloid deposited under water in a conic energy accumulator, pumping said cold medium from the bottom of said conic energy accumulator into heat exchanger, heat exchanging for cooling it to the temp lower than zero deg.C, holding it in the form of liquid as its setting point is lower than zero deg.C, spraying it into upper water layer in said accumulator by ultrasonic nozzle, and crystallizing the water to form floating ice crystals while depositing said cold medium. Its apparatus is also disclosed.
Description
Technical field
The present invention relates to freeze, the method or the system of cold-storage, relate in particular to a kind of dynamic ice cold-storage method and equipment, be relevant dynamic ice cold-storage method and the structural design of making the equipment of ice crystal.
Background technology
So-called ice cold-storage is in the very low low power consumption phase at night of electric load, by refrigeration the form of cold with ice is stored.In electric load higher peak times of power consumption on daytime, energy stored is discharged, to satisfy the needs of building air-conditioning load.Simultaneously, at the less spring and autumn of air conditioner load, reduce the unlatching of refrigeration machine, the ice-melt of trying one's best is released cold, satisfies air conditioner load.Ice storage air conditioner is the effective ways of " transfer power load " or " balance power load ".
Dynamic ice cold-storage then is for static state ice cold-storage, static ice making mode is cooling tube outside or the ice filling container in icing, ice itself is in relative static conditions all the time; The dynamic ice-making mode has ice crystal, ice slurry to generate in this mode, and ice crystal, ice slurry are kept in motion.
Static ice making has now become the main flow of ice-storage system in the application because system is simple.Yet static ice making method also has the shortcoming of self: thickening of ice sheet increases thermal resistance, causes the coefficient of refrigerating performance (COP) of refrigeration machine to reduce; The inter-adhesive water route that causes of some static system medium floes is stopped up.And the static coil pipe of icing cold-storage generally need be a large amount of, so that cold-producing medium flows through, and make the icing storage of the outer refrigerating medium (water or other liquid) of pipe cold, increased cost, volume and control difficulty.
Summary of the invention
The present invention is for the poor efficiency that thoroughly solves static ice-making system and expensive, and has adopted refrigerant directly to produce the method for ice crystal, and is simple in structure, do not have coil pipe, and ice making efficient height adopts conventional refrigeration unit operation.
The present invention does not adopt coil pipe, has avoided outer the thickening of ice sheet of coil pipe and makes the reduction of coefficient of refrigerating performance.The present invention gets cold by refrigerant, the freezing point of refrigerant is lower than 0 ℃, and it is water insoluble, refrigerant is transported in the heat exchanger by transfer canal, the input temperature of heat exchanger is higher than 0 ℃, the output temperature is lower than 0 ℃, and the refrigerant temperature of outflow heat exchanger is lower than 0 ℃, remains liquid, the refrigerant that is lower than 0 ℃ of liquid state is transferred back energy storage canister, by ultrasonic atomizing nozzle, refrigerant is dispersed in the water layer, the cold of the water fast Absorption refrigerant around the refrigerant, produce crystalline polamer, these crystallizations just are called ice crystal, and owing to little the bubbling through the water column of proportion of ice crystal, refrigerant is then because than great and be sunken to the bottom gradually.
Operation along with refrigeration unit, refrigerant constantly circulation carries cold and water exchange, a large amount of water crystallization and wafing gradually floats on the surface and forms ice crystal or ice slurry (mixture of ice and water), and this ice crystal can be transported by pump, pumps to carry out heat exchange in other heat exchanger.
Have similar patent to set forth the above refrigerant that similarly adopts abroad and produce the structure of ice crystal, but it does not solve the problem of line clogging, a large amount of ice crystals that ice crystal and water reaction produce are easy to accumulate in pipeline opening, and blocking pipe influences refrigerating efficiency.
The present invention has adopted a ultrasonic nozzle, has solved this problem.Ultrasonic nozzle is installed on the front-end pipelines wall of conical nozzle, it is made up of driving power and a plurality of ultrasonic transducer, transducer sends ultrasonic wave, occur ultrasonic field in the liquid in pipeline and produce air bubble, make the refrigerant of flowing through activate, it is small that particle becomes, and increases the exchange area of refrigerant and water, improves heat exchanger effectiveness; And make that the borneol in the refrigerant is pulverized, avoided choking phenomenon; Prevent a large amount of ice crystal plug nozzle mouths that jet hole produces simultaneously; More advantageously ultrasonic field also makes ice crystal and the rapid layering of refrigerant, and refrigerant is owing to than at the bottom of great sink to jar, and ice crystal improves the refrigerant cycle efficieny owing to light specific gravity is kept afloat.
The front end of ultrasonic nozzle also is equipped with an air pump, and it is that the cold air on the energy storage canister ice crystal layer is transported to jet hole by air pump, prevents ice crystal plug nozzle mouth, and quickens refrigerant in contact, the separation of water, improves refrigerating efficiency.The buoyancy of air also can drive ice crystal and float to the water surface rapidly, makes the refrigerant of jet hole fully mix with water, improves refrigerating efficiency.
A sensor also is housed in the ice crystal layer of energy storage canister, mainly controls the operation of refrigeration system by the pressure of perception ice crystal.More and more when the ice crystal quantity of crystallization, can produce one gradually and upward pressure, this pressure can increase along with increasing of ice crystal, just can control the operation of refrigeration unit by this pressure, thereby controls the quantity and the pressure of ice crystal.
The bottom of energy storage canister is taper or inverted trapezoidal structure, helps the landing and the gathering of refrigerant.
Description of drawings
Principle of the present invention, device can further specify by the following drawings:
The structure chart of Fig. 1 dynamic ice-storage system
The structure chart of Fig. 2 ultrasonic nozzle
The application legend of Fig. 3 dynamic ice cold-storage system
As seen from Figure 1, it simple in structure do not have coil pipe, adopts conventional refrigeration host computer operation, and core is the application of refrigerant and the design of ultrasonic nozzle, prevents the ice crystal blocking pipe, improves the contact area of refrigerant and water, the raising refrigerating efficiency.
Fig. 2 has described the structure chart of ultrasonic nozzle, and it is made up of pipeline, conical pipe road junction, transducer and ring flange, and the feasible end that the pipeline of transducer is installed of ring flange connects other pipeline, and the other end connects energy storage canister.
Fig. 3 has shown the application design drawing of a concrete dynamic ice-storage system.
The specific embodiment
Embodiment 1:
Fig. 1 gets cold by refrigerant 4, refrigerant 4 is transported in the heat exchanger 11 by pump 5 by transfer canal, input 9 temperature of heat exchanger 11 are higher than 0 ℃, output 10 temperature are lower than 0 ℃, because the molten point of refrigerant is lower than 0 ℃, the refrigerant of output 10 still is rendered as liquid state, the refrigerant that is lower than 0 ℃ of liquid state is transferred back energy storage canister 1, by ultrasonic atomizing nozzle 6, refrigerant is dispersed in the water layer 3, the cold of the water fast Absorption refrigerant around the refrigerant, produce crystalline polamer, these crystallizations just are called ice crystal 2, and owing to little the bubbling through the water column of proportion of ice crystal, refrigerant is then because than great and at the bottom of being sunken to gradually jar.
Operation along with refrigeration unit, refrigerant constantly circulation exchanges cold and water, a large amount of water crystallization and wafing gradually floats on the surface and forms ice crystal 2 or ice slurry (mixture of ice and water), and this ice crystal can be transported by pump, pumps to carry out heat exchange in other heat exchanger.
Refrigerant 4 be pumped to get in the interchanger 11 cold, may have some moisture 3 and be pumped together in the interchanger, when returning energy storage canister from 10 interchangers, these moisture 3 have had crystallization to become the borneol phenomenon, but because the existence of refrigerant, can not be set in the interchanger 11, and be pulverized, be transferred in the energy storage canister with refrigerant by the ultrasonic atomizatio effect of nozzle 6, ice crystal flies at the water surface, refrigerant is sunken to the bottom, goes round and begins again, and a large amount of ice crystals are given birth to therefrom.
Refrigerant 4 is compounds that a kind of crystallization temperature is lower than water, gets coldly when returning energy storage canister 1 when it, is broken down into countless small particles by ultrasonic ultrasonic delay line memory 6, fully combines with water 3, and moisture then absorbs the cold of refrigerant and crystallization 2 in a large number.
Refrigerant 4 might condense in the process of circularly cooling, and some moisture 3 also can form borneol along with refrigerant is pumped in the heat exchanger 11 in interchanger, and this borneol might block pipeline; Refrigerant is when returning the jet hole 6 of energy storage canister again, because refrigerant produces a large amount of ice crystals with contacting of water, and easy plug nozzle mouth; If refrigerant has the agglomerating phenomenon of condensing, be unfavorable for that refrigerant and water carry out heat exchange, the cold of part refrigerant discharges as yet fully like this, enters next cold circulation at the bottom of just sinking to jar, and this can reduce refrigerating efficiency.Therefore we adopt ultrasonic nozzle 6, and concrete structure Fig. 2 has explanation.
Embodiment 2:
The structure chart of Fig. 2 ultrasonic nozzle is installed in the middle lower inlet place of energy storage canister.The structure of ultrasonic nozzle is made up of pipeline 5, a plurality of ultrasonic transducer 2, ring flange 3, conical nozzle 4 and air pump 6, transducer 2 is installed on the front-end pipelines wall of conical nozzle 4 and nozzle, ultrasonic field appears in the liquid of the ultrasonic wave that transducer sends in pipeline, producing air bubble makes the refrigerant of flowing through activate, it is small that particle becomes, increase the exchange area of refrigerant and water, raise the efficiency; And make that the borneol in the refrigerant is pulverized, avoided the pipeline obstruction phenomenon; Prevent a large amount of ice crystal plug nozzle mouths that jet hole produces simultaneously; More advantageously, because the disturbance of ultrasonic field also makes refrigerant separate rapidly with ice crystal, water, at the bottom of the refrigerant of released cold quantity sinks to jar fully, improved cold next time cycle efficieny.Front end at nozzle also is added with an air pump 6, cold air in the jar is pumped into spray nozzle front end, quickens flowing of refrigerant, do not allow refrigerant and water react the crystal aggregation of generation at jet hole, the buoyancy of air can drive ice crystal and float towards the water surface rapidly, improves refrigerating efficiency.3 on ring flange makes pipeline one end be connected tank body, and the other end and other pipeline join.
Embodiment 3:
Fig. 3 is the concrete application of an ice-storage air-conditioning system.Refrigeration unit 21, condenser 20, expansion valve 22 and heat exchanger 11 constitute a kind of refrigeration cycle, by heat exchanger 11, refrigerant absorbs cold becomes the low temperature refrigerant that is lower than 0 ℃, the low temperature refrigerant passes through ultrasonic nozzle, fully mix with water at jet hole, produce a large amount of ice crystals, ice crystal swims on the water layer of energy storage canister owing to buoyancy function, these ice crystals are pumped in the heat exchanger 32 by water pump 31, and air-conditioning load 34 is then sent into high temperature load water by water pump 33 and carried out heat exchange in the heat exchanger 32, finishes the load kind of refrigeration cycle.
Above example application is a sub-fraction, is not limited to above-mentioned two kinds of embodiments.The present invention also can comprise many other purposes.
Claims (9)
1, a kind of dynamic ice cold-storage method and equipment, it is characterized in that: whole system comprises an energy storage canister, the bottom of energy storage canister is for falling trapezoidal or taper, the bottom of jar is equipped with low temperature and is transmitted refrigerant, the proportion of refrigerant is higher than water, belongs to liquid jelly, can flow, molten point is lower than the crystalline temperature temperature (0 ℃) of water, the top of refrigerant is water layer, and it is cold to be used for the crystallization storage, and refrigerant is got cold flow through ultrasonic nozzle by heat exchanger, ultrasonic nozzle is by transducer, ring flange, conical nozzle, pipeline and air pump are formed, jar middle part ice crystal layer in a pressure sensor is housed, pressure that can the perception ice crystal, thereby the thickness of the operation of control refrigeration unit and control ice crystal.
2, dynamic ice cold-storage method according to claim 1 and equipment is characterized in that: energy storage canister is one and falls trapezoidal or pyramidal structure, at the bottom of helping the refrigerant landing and accumulating in jar, on the wall of the water layer middle and lower part that ultrasonic nozzle is installed on jar.
3, dynamic ice cold-storage method according to claim 1 and equipment is characterized in that: phase-change material is a kind of liquid jelly, 0 ℃ of the low son of freezing point, and water insoluble, proportion is greater than water.
4, dynamic ice cold-storage method according to claim 1 and equipment is characterized in that: refrigerant is positioned at the bottom at the taper or the end of falling the trapezoidal Can, and the upper strata of refrigerant is a water, and as the storage cold carrier, the ice crystal of generation floats on the surface owing to proportion is lighter than water.
5, dynamic ice cold-storage method according to claim 1 and equipment, it is characterized in that: ultrasonic nozzle is made up of transducer, ring flange, conical nozzle, pipeline and air pump, transducer produces ultrasonic wave, ring flange connects jar and other pipeline, conical nozzle is installed on the tank skin, and air pump connects the cold air in nozzle and the jar.
6, dynamic ice cold-storage method according to claim 5 and equipment is characterized in that: have an air pump that the cold air in the jar is blowed to ultrasonic nozzle, the junction of air pump and nozzle can be at the front end of transducer, also can be in the rear end of transducer.
7, dynamic ice cold-storage method according to claim 5 and equipment is characterized in that: transducer produces ultrasonic wave, and disturbance refrigerant and borneol prevent the borneol blocking pipe, and transducer can be applied on other duct wall except that nozzle.
8, dynamic ice cold-storage method according to claim 7 and equipment is characterized in that: hyperacoustic generation can be produced by a plurality of transducers, can be installed in jet hole, prevent that the ice crystal gathering is blocked in jet hole, also can pacify commentaries on classics in the pipeline that refrigerant is flowed through, eliminate the danger of borneol blocking pipe.
9, require described dynamic ice cold-storage method and equipment according to right 1, it is characterized in that: pressure sensor is positioned at the middle and lower part of ice crystal layer, gathering along with ice crystal, can produce one and upward pressure, the size of this pressure of perception just can be controlled the operation of refrigeration unit and the generation of ice crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100889219A CN1712829A (en) | 2005-08-02 | 2005-08-02 | Dynamic ice cool storage method and apparatus thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005100889219A CN1712829A (en) | 2005-08-02 | 2005-08-02 | Dynamic ice cool storage method and apparatus thereof |
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| CN1712829A true CN1712829A (en) | 2005-12-28 |
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| CNA2005100889219A Pending CN1712829A (en) | 2005-08-02 | 2005-08-02 | Dynamic ice cool storage method and apparatus thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100538221C (en) * | 2007-10-12 | 2009-09-09 | 邹杰 | A kind of dynamic ice cold-storage method and equipment |
| CN102679654A (en) * | 2012-05-16 | 2012-09-19 | 广州鑫誉蓄能科技有限公司 | Supercooling disable device utilizing high-pressure water jet mode |
| CN104101565A (en) * | 2014-07-30 | 2014-10-15 | 深圳市计量质量检测研究院 | Corrosion test system |
| CN107208981A (en) * | 2015-01-08 | 2017-09-26 | 最优化有限公司 | The stainless steel and its operating method of latent heat memory cell |
| CN108955320A (en) * | 2018-09-25 | 2018-12-07 | 江苏远卓设备制造有限公司 | Anti-freezing plate heat exchanger |
| CN110186131A (en) * | 2019-06-07 | 2019-08-30 | 广东腾源蓄冷节能科技有限公司 | A kind of efficient ice storage system method |
-
2005
- 2005-08-02 CN CNA2005100889219A patent/CN1712829A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100538221C (en) * | 2007-10-12 | 2009-09-09 | 邹杰 | A kind of dynamic ice cold-storage method and equipment |
| CN102679654A (en) * | 2012-05-16 | 2012-09-19 | 广州鑫誉蓄能科技有限公司 | Supercooling disable device utilizing high-pressure water jet mode |
| CN102679654B (en) * | 2012-05-16 | 2014-07-09 | 广州鑫誉蓄能科技有限公司 | Supercooling disable device utilizing high-pressure water jet mode |
| CN104101565A (en) * | 2014-07-30 | 2014-10-15 | 深圳市计量质量检测研究院 | Corrosion test system |
| CN107208981A (en) * | 2015-01-08 | 2017-09-26 | 最优化有限公司 | The stainless steel and its operating method of latent heat memory cell |
| CN108955320A (en) * | 2018-09-25 | 2018-12-07 | 江苏远卓设备制造有限公司 | Anti-freezing plate heat exchanger |
| CN108955320B (en) * | 2018-09-25 | 2023-12-19 | 江苏远卓设备制造有限公司 | Anti-freezing plate type heat exchanger |
| CN110186131A (en) * | 2019-06-07 | 2019-08-30 | 广东腾源蓄冷节能科技有限公司 | A kind of efficient ice storage system method |
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