CN111380132A - Supercooled water dynamic ice storage device and ice making method thereof - Google Patents
Supercooled water dynamic ice storage device and ice making method thereof Download PDFInfo
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- CN111380132A CN111380132A CN202010214305.8A CN202010214305A CN111380132A CN 111380132 A CN111380132 A CN 111380132A CN 202010214305 A CN202010214305 A CN 202010214305A CN 111380132 A CN111380132 A CN 111380132A
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- water
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- inner cylinder
- subcooler
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/0017—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using cold storage bodies, e.g. ice
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25C—PRODUCING, WORKING OR HANDLING ICE
- F25C1/00—Producing ice
- F25C1/12—Producing ice by freezing water on cooled surfaces, e.g. to form slabs
- F25C1/14—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes
- F25C1/145—Producing ice by freezing water on cooled surfaces, e.g. to form slabs to form thin sheets which are removed by scraping or wedging, e.g. in the form of flakes from the inner walls of cooled bodies
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention relates to supercooled water dynamic ice storage equipment and an ice making method thereof. The ice making method of the equipment can realize the dynamic ice making function in the cold storage tank, ice in the cold storage tank is melted into water and then enters the subcooler again to realize the circulating ice making, and meanwhile, in the process of making subcooled water by the subcooler, the inner cylinder can not generate the ice blockage phenomenon due to the icing of the inner cylinder wall.
Description
Technical Field
The invention relates to the field of ice cold storage air conditioners, in particular to supercooled water dynamic ice cold storage equipment and an ice making method thereof.
Background
Ice storage has been greatly developed in recent years as an effective means for peak clipping and valley filling. The mainstream technologies in the current market are static ice cold storage and dynamic ice cold storage respectively. The supercooled water dynamic ice storage is one kind of dynamic ice storage technology, and has the key idea that water is cooled to 0 deg.c inside a supercooler without phase change, and the supercooled water is eliminated in a cold storage tank and phase changed to become 0 deg.c ice, so that sensible heat is converted into latent heat for storing and dynamic ice making is realized.
However, the supercooled water dynamic ice storage technology is easy to have ice blockage in practical application, namely, ice layers are gradually formed on the wall surface of the supercooler by water, so that the ice blockage is caused.
Disclosure of Invention
The invention aims to provide a supercooled water dynamic ice storage device for solving the problems of high control difficulty and easy ice blockage of a supercooled water dynamic ice storage technology, and the invention also aims to provide an ice making method of the ice storage device for solving the problems of complex ice making and easy ice blockage.
The technical scheme of the invention provides supercooled water dynamic ice cold storage equipment which is characterized by comprising a cold storage device, an ice storage tank and a water pump which are connected in pairs through pipelines, wherein water circulates in the supercooled water dynamic cold storage equipment, the water is cooled into supercooled water in the cold storage device and then enters the ice storage tank, and the water in the ice storage tank enters the cold storage device again for cooling under the action of the water pump;
the cold accumulation device comprises a refrigeration system and a vertical subcooler, wherein a water inlet of the subcooler is connected with the water pump through a pipeline, a water outlet of the subcooler is connected with the ice storage tank through a pipeline, and the refrigeration system supplies refrigerant to the subcooler.
Preferably, the method comprises the following steps: the subcooler comprises an outer cylinder, an inner cylinder sleeved in the outer cylinder, a central transmission shaft penetrating through the axes of the outer cylinder and the inner cylinder, a plurality of blades fixedly arranged on the central transmission shaft, and a rotating motor connected with the central transmission shaft, wherein a certain gap is reserved between the outer cylinder and the inner cylinder to form a cavity;
the water inlet and the water outlet of the subcooler are connected with the inner cavity of the inner barrel, and water enters the inner cavity of the inner barrel and exchanges heat with the wall of the inner barrel to form subcooled water.
Preferably, the method comprises the following steps: one end of the central transmission shaft, which is close to the water inlet, is provided with a single layer or multiple layers, and each layer is evenly provided with a plurality of blades around the axis.
Preferably, the method comprises the following steps: the blade is a plastic blade or a metal blade.
Preferably, the method comprises the following steps: the inner wall of the inner cylinder is made into a smooth surface.
Preferably, the method comprises the following steps: and a filtering device is arranged between the cold accumulation device and the water pump, so that the purity of water entering the cold accumulation device is improved.
The invention provides an ice making method of ice storage equipment, which is characterized by comprising the following steps:
⑴ adding solvent with a certain concentration into the inner cylinder of the cooler;
⑵ the refrigerating system is started, and the supply refrigerant enters the cavity from the refrigerant inlet, and flows out of the cavity from the refrigerant outlet after heat exchange with the inner cylinder wall.
⑶ starting the rotary motor to drive the central transmission shaft to rotate, the blades stirring to drive the water in the inner cylinder to generate violent turbulent motion, the closer to the inner cylinder wall, the more violent the turbulence degree of the water flow;
⑷ starting the water pump, pumping the water in the ice storage tank into the subcooler under the action of the water pump, cooling the water to a subcooled state after the water enters the inner cavity of the inner cylinder of the subcooler and exchanges heat with the inner cylinder wall, and then discharging the water into the ice storage tank through the water outlet to complete one-time circulation.
Compared with the prior art, the invention has the beneficial effects that:
⑴ the dynamic ice storage equipment of supercooled water has stable structure, recycles the melted water in the cold storage tank to the supercooler, exchanges heat with the refrigerant in the cavity in the inner cylinder of the supercooler to form supercooled water flowing into the cold storage tank, and completes dynamic ice making in the cold storage tank, and time-limited circulation ice making.
⑵ the subcooler uses the center drive shaft to drive the blades to rotate, drives the water in the inner cylinder to generate violent turbulent motion and get closer to the inner wall of the inner cylinder, the turbulent degree of the water flow is more violent, the water flow in unit time is higher, the ice blockage phenomenon caused by icing of the inner cylinder wall is prevented, compared with the dynamic ice storage of common subcooled water, the technology reduces the risk of the conventional subcooled water dynamic ice storage freezing pipe.
⑶ use plastic or metal blades to reduce the weight of the device, reduce the power of the rotating machine, and reduce the manufacturing and operating costs of the device.
⑷ A certain concentration of solvent is added into the subcooler to inhibit the freezing point of water, and further prevent the inner wall of the inner cylinder from freezing to cause ice blockage.
Drawings
Fig. 1 is a schematic structural view of a first embodiment of a supercooled water dynamic ice thermal storage apparatus;
fig. 2 is a schematic structural view of a second embodiment of the supercooled water dynamic ice thermal storage device;
FIG. 3 is a side cross-sectional view of a subcooler.
Description of the main component symbols:
| 1 |
11 |
111 |
112 |
| 12 |
13 |
14 |
15 rotating |
| 16 |
17 |
18 |
2 |
| 3 |
4 filtering device |
Detailed Description
The invention will be described in more detail below with reference to the accompanying drawings:
example 1:
referring to fig. 1 and 3, a supercooled water dynamic ice storage device comprises a cold storage device, an ice storage tank 2, a water pump 3 and a filtering device 4 which are connected in pairs through pipelines, wherein the cold storage device comprises a refrigeration system and a vertical supercooler 1, and the supercooler 1 is communicated with the outside through a water inlet 16 and a water outlet 17;
the subcooler 1 comprises an outer cylinder 11, an inner cylinder 12 sleeved in the outer cylinder, a central transmission shaft 13 penetrating through the axes of the outer cylinder 11 and the inner cylinder 12, a plurality of layers of blades 14 which are fixedly arranged on the central transmission shaft 13 and are uniformly distributed on each layer around a shaft, and a rotating motor 15 connected with the central transmission shaft.
A gap is reserved between the outer cylinder 11 and the inner cylinder 12 to form a cavity 18, a refrigerant inlet 111 and a refrigerant outlet 112 are respectively arranged in the cylinder of the outer cylinder in a penetrating manner, a refrigerant is supplied by a refrigerating system, and the refrigerant enters the cavity 18 from the refrigerant inlet 111, circularly flows in the cavity 18, exchanges heat with the inner cylinder wall and then flows out from the refrigerant outlet 112;
the water inlet 16 and the water outlet 17 of the subcooler are connected with the inner cavity of the inner cylinder 12, and water enters the inner cavity of the inner cylinder 12 to exchange heat with the wall of the inner cylinder to form subcooled water.
The inner wall of the inner barrel 12 is made into a smooth surface, so that ice blockage caused by icing on the inner wall of the inner barrel 12 is avoided.
The blade 14 is a plastic blade or a metal blade.
The blades in the form can drive water in the inner barrel to generate violent radial movement, and the more the blades are close to the inner wall of the inner barrel from the position of the central transmission shaft to the inner wall of the inner barrel, the more violent the turbulence degree of the water flow is
Example 2:
referring to fig. 2, the second embodiment is different from the first embodiment in that the central transmission shaft 13 is provided with blades 14, and a single layer of blades 14 uniformly distributed around the shaft is arranged at one end of the central transmission shaft 13 close to the water outlet 17.
The blades in the form can drive water in the inner barrel to generate violent radial and axial turbulence movement, and the closer to the inner wall of the inner barrel from the central transmission shaft, the more violent the turbulence degree of the water flow.
An ice making method of supercooled water dynamic ice storage equipment specifically comprises the following steps:
⑴ adding solvent with a certain concentration into the inner cylinder of the cooler;
⑵ the refrigerating system is started, and the supply refrigerant enters the cavity from the refrigerant inlet, and flows out of the cavity from the refrigerant outlet after heat exchange with the inner cylinder wall.
⑶ starting the rotary motor to drive the central transmission shaft to rotate, the blades stirring to drive the water in the inner cylinder to generate violent turbulent motion, the closer to the inner cylinder wall, the more violent the turbulence degree of the water flow;
⑷ starting the water pump, pumping the water in the ice storage tank into the subcooler under the action of the water pump, cooling the water to a subcooled state after the water enters the inner cavity of the inner cylinder of the subcooler and exchanges heat with the inner cylinder wall, and then discharging the water into the ice storage tank through the water outlet to complete one-time circulation.
The blade forms used in the two embodiments are only preferred embodiments, and no matter what form the blade is made, the blade rotation is utilized, so that the water in the inner cavity of the inner barrel violently produces water and violently moves in a turbulent mode in the axial direction or the radial direction, and the design that the water is kept in an overcooled state and is not easy to freeze is within the protection scope of the invention.
The above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.
Claims (7)
1. The supercooled water dynamic ice cold storage equipment is characterized by comprising a cold storage device, an ice storage tank and a water pump which are connected in pairs through pipelines, wherein water circulates in the supercooled water dynamic cold storage equipment, the water is cooled into supercooled water in the cold storage device and then enters the ice storage tank, and the water in the ice storage tank enters the cold storage device again for cooling under the action of the water pump;
the cold accumulation device comprises a refrigeration system and a vertical subcooler, wherein a water inlet of the subcooler is connected with the water pump through a pipeline, a water outlet of the subcooler is connected with the ice storage tank through a pipeline, and the refrigeration system supplies refrigerant to the subcooler.
2. The supercooled water dynamic ice storage device of claim 1, wherein the supercooler comprises an outer cylinder, an inner cylinder sleeved inside the outer cylinder, a central transmission shaft penetrating through the axes of the outer cylinder and the inner cylinder, a plurality of blades fixedly arranged on the central transmission shaft, and a rotating motor connected with the central transmission shaft, a certain gap is reserved between the outer cylinder and the inner cylinder to form a cavity, a refrigerant inlet and a refrigerant outlet are respectively penetrated through the cylinder body of the outer cylinder, a refrigerant supplied by the refrigeration system enters the cavity from the refrigerant inlet, and flows out of the cavity from the refrigerant outlet after circulating flow in the cavity and heat exchange with the inner cylinder wall;
the water inlet and the water outlet of the subcooler are connected with the inner cavity of the inner barrel, and water enters the inner cavity of the inner barrel and exchanges heat with the wall of the inner barrel to form subcooled water.
3. The subcooled water dynamic ice storage device of claim 2, wherein the central drive shaft is provided with a single layer or multiple layers near the water inlet and each layer is provided with a plurality of blades uniformly arranged around the axis.
4. A subcooled water dynamic ice thermal storage apparatus according to claim 2 or 3, characterized in that said blades are plastic or metal blades.
5. The supercooled water dynamic ice thermal storage device according to claim 2, wherein the inner wall of the inner cylinder is made into a smooth surface.
6. The supercooled water dynamic ice storage apparatus as claimed in claim 1, wherein a filtering device is further provided between the cold storage device and the water pump to improve the purity of the water entering the cold storage device.
7. An ice making method of ice storage equipment is characterized by comprising the following steps:
⑴ adding solvent with a certain concentration into the inner cylinder of the cooler;
⑵ the refrigerating system is started, and the supply refrigerant enters the cavity from the refrigerant inlet, and flows out of the cavity from the refrigerant outlet after heat exchange with the inner cylinder wall.
⑶ starting the rotary motor to drive the central transmission shaft to rotate, the blades stirring to drive the water in the inner cylinder to generate violent turbulent motion, the closer to the inner cylinder wall, the more violent the turbulence degree of the water flow;
⑷ starting the water pump, pumping the water in the ice storage tank into the subcooler under the action of the water pump, cooling the water to a subcooled state after the water enters the inner cavity of the inner cylinder of the subcooler and exchanges heat with the inner cylinder wall, and then discharging the water into the ice storage tank through the water outlet to complete one-time circulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214305.8A CN111380132A (en) | 2020-03-24 | 2020-03-24 | Supercooled water dynamic ice storage device and ice making method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010214305.8A CN111380132A (en) | 2020-03-24 | 2020-03-24 | Supercooled water dynamic ice storage device and ice making method thereof |
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| CN111380132A true CN111380132A (en) | 2020-07-07 |
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| CN202010214305.8A Pending CN111380132A (en) | 2020-03-24 | 2020-03-24 | Supercooled water dynamic ice storage device and ice making method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111912064A (en) * | 2020-08-18 | 2020-11-10 | 广东精冷源建设有限公司 | Novel cold-storage system of phase change cold-storage air conditioner room |
| CN114992732A (en) * | 2022-05-27 | 2022-09-02 | 河北工程大学 | Longitudinal heat exchange ice energy storage heat exchanger |
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