CN105757860A - Cylindrical dynamic water cold storage device with rotation partition - Google Patents

Cylindrical dynamic water cold storage device with rotation partition Download PDF

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Publication number
CN105757860A
CN105757860A CN201610281132.5A CN201610281132A CN105757860A CN 105757860 A CN105757860 A CN 105757860A CN 201610281132 A CN201610281132 A CN 201610281132A CN 105757860 A CN105757860 A CN 105757860A
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China
Prior art keywords
rotary motion
cylindrical
central shaft
cold
storage device
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CN201610281132.5A
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CN105757860B (en
Inventor
董凯军
胡涛
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Guangzhou Institute of Energy Conversion of CAS
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Guangzhou Institute of Energy Conversion of CAS
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0007Air-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
    • F24F5/0017Air-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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

The invention discloses a cylindrical dynamic water cold storage device with a rotation partition.The rotation partition installed in the cylindrical water cold storage device is mainly made of waterproof and heat preservation material.During cold storage/release, the partition is dragged by an external motor to rotate and slide along a rotation rail, and therefore the cold storage/release process without temperature layering is achieved.The temperature layering of a conventional water cold storage device is eliminated, and therefore cold storage/release efficiency is far better than that of other similar water cold storage devices.

Description

With the cylindrical Dynamic Water cold-storage device that rotary motion separates
Technical field
The present invention relates to technical field of air conditioner refrigeration, be specifically related to a kind of cylindrical Dynamic Water cold-storage device separated with rotary motion.
Background technology
Water cool-storage technology technology carries out the technology of cold storage as a kind of sensible heat utilizing water: need not cold or need the cold less time period (during electrical network low ebb at night, also it is simultaneously air conditioner load low ebb) utilize refrigeration plant to make water at low temperature to store, then cold in idle call or technique with cold peak period (during electrical network peak on daytime, be generally also air conditioner load peak) to meet demand.Effective way as a kind of electric power peak load shifting, the effect of economical operation, energy-conserving and environment-protective can be played, be widely used, but how reduce taking up room of water cold storage cell body in actual applications, reduce cold-storage loss, improve utilization ratio and seem particular importance.
Current water cold storage technology mainly adopts the forms such as double flute or multi-groove type, labyrinth type, single cavity diaphragm type, single cavity thermal stratification formula.Dual grooved always has a cell body not to be utilized, and space availability ratio is low;Multi-groove type system is run needs multiple valve transfer, system complex, runs control difficulty big;Labyrinth type water flow velocity is wayward, is easily formed whirlpool or short circuit forms dead band, there is the cold warm water mixing of part, the shortcomings such as water resistance is bigger in addition;Single cavity diaphragm type septation constantly draws high up and down, and the requirement of film is higher, and practicality is low;Commonly use single cavity thermal stratification formula at present, mainly utilize water density when 4 DEG C maximum, utilize when without stirring, occur that the phenomenon of " cold lower part and hot upper part " carries out natural temperature layering cold-storage, however it is necessary that careful design, construction, ensure that thermoclinic thickness is little as much as possible, to improve cold-storage efficiency, and cold-storage temperature is minimum is not less than 4 DEG C.
Summary of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of cylindrical Dynamic Water cold-storage device separated with rotary motion, to improve efficiency and the effect of water cold storage.
To achieve these goals, the present invention adopts the technical scheme that:
A kind of cylindrical Dynamic Water cold-storage device separated with rotary motion, separates 2 including cylindrical accumulator 3, central shaft 6, fixing waterproof and heat-insulating baffle plate 1 and rotary motion;
Described central shaft 6 is fixed on central shaft 6 line of described cylindrical accumulator 3;
Described fixing waterproof and heat-insulating baffle plate 1 and described rotary motion separate the structure of 2 and include:
It is internal that described fixing waterproof and heat-insulating baffle plate 1 is fixed on described cylindrical accumulator 3 through described central shaft 6, and the inner space of described cylindrical accumulator 3 is divided into two parts of equity;Described rotary motion separates 2 and is arranged at described cylindrical accumulator 3 inside, intersect with described fixing waterproof and heat-insulating baffle plate 1 at described central shaft 6 place, and around described central shaft 180 degree rotation, together with described fixing aqueous humor thermal baffle, the inner space of cylindrical accumulator 3 can be isolated into four symmetrical between two parts;
Or
It is internal that described fixing waterproof and heat-insulating baffle plate 1 is positioned at described cylindrical accumulator 3, is fixed on described central shaft 6, and another side is fixed on the inwall of described cylindrical accumulator 3;Described rotary motion separate 2 while around described central shaft 6, the inner space of described cylinder accumulator 3, along the inwall 360 degree rotation of described cylindrical accumulator 3, is separated into two parts by another side together with described fixing waterproof and heat-insulating baffle plate 1.
Compared with prior art, the beneficial effects of the present invention is:
Adopt lightweight, the insulation material fabrication and installation of waterproof separate in the rotary motion within device, the thermal stratification that Main Function is formed when being eliminate water cold storage;This rotary motion is separated above the central shaft being arranged on cylindrical water cold accumulation device, together with fixing waterproof and heat-insulating baffle plate, water cold accumulation device inner space is isolated into two parts or four symmetrical between two parts;When rotary motion separates and stores/let cool operation with prevention under the effect fixing waterproof and heat-insulating baffle plate, cold warm water directly contacts, and the energy figure caused that directly mixes eliminating cold warm water declines.
Adopting the water cold accumulation device of this structure along with the flowing of cold-storage water, rotary motion separates rotation on the vertical central shaft of device, corresponding to the change of cold warm water volume, dynamically changes segregate two parts spatial volume.
Realize cold-storage owing to being independent of thermal stratification, it is possible to break through the lower limit of layering cold-storage water temperature 4 DEG C, reduce cold-storage water temperature further, improve the water-retention temperature difference, reduce the volume of cold-storage cell body.
Owing to being absent from thermal stratification phenomenon, thus having broken away from the restriction of flow stability and uniformity, this device can be removed the water-locator in thermal stratification method.Which reduce the Dead space that in thermal stratification method, water-locator takies, improve unit volume storage density of cold.
Accompanying drawing explanation
Fig. 1 is the cylindrical Dynamic Water cold-storage device schematic diagram separated with rotary motion of the present invention.
Fig. 2 is the cylindrical Dynamic Water cold-storage device schematic cross-section separated with rotary motion of the present invention.
Fig. 3 is the swing-around trajectory schematic diagram that in the present invention, rotary motion separates;
Fig. 4 is the cylindrical Dynamic Water cold-storage device charging schematic diagram separated with rotary motion of the present invention;
Fig. 5 is the cylindrical Dynamic Water cold-storage device discharging schematic diagram separated with rotary motion of the present invention;
Wherein 1 rotary motion separates, 2 fixing waterproof and heat-insulating baffle plates, 3 cylindrical accumulators, 4 swing-around trajectory dishes, 5 motion pulleys or rolling bearing, 6 central shafts, 7 rotating force contact heads (can pass through belt or gear coordinates with this contact head), 8,9 cold-storages go out hydrospace/let cool into water space (area of space that namely AEJFCH and DEJIBG respectively constitutes), 10,11 cold-storages water inlet spaces/let cool out hydrospace (area of space that namely AEJFDI and BEJGCH respectively constitutes), 12 flexible gaskets.
Detailed description of the invention
Below in conjunction with detailed description of the invention, the present invention is further illustrated.
The cylindrical Dynamic Water cold-storage device separated with rotary motion of the present invention, as it is shown in figure 1, include cylindrical accumulator 3, central shaft 6, fixing waterproof and heat-insulating baffle plate 1 and rotary motion to separate 2.
Central shaft 6 is fixed on the central axis of cylindrical accumulator 3;
Fixing waterproof and heat-insulating baffle plate 1 and rotary motion separate the structure of 2 two kinds:
The first: as it is shown in figure 1, fixing waterproof and heat-insulating baffle plate is fixed on inside cylindrical accumulator through central shaft, and the inner space of cylindrical accumulator is divided into two parts of equity;Rotary motion separation is arranged at inside cylindrical accumulator, intersect with fixing waterproof and heat-insulating baffle plate in central axis, and around central shaft 180 degree rotation, together with fixing aqueous humor thermal baffle, the inner space of cylindrical accumulator can be isolated into four symmetrical between two parts;
The second: fixing waterproof and heat-insulating baffle plate is positioned at inside cylindrical accumulator, is fixed on central shaft, another side is fixed on the inwall of cylindrical accumulator;It is that rotary motion separates while around central shaft, the inner space of cylindrical accumulator, along the inwall 360 degree rotation of cylindrical accumulator, is separated into two parts by another side together with fixing waterproof and heat-insulating baffle plate.
Cylindrical shape accumulator 3, protect outward polyurethane heat insulation material and overcoat, adopt density slightly larger than water, heat conductivity is less and the sandwich of waterproof separates 1 as rotary motion, and rotary motion separates 1 and adopts flexible sealing with central shaft 6, the inwall of cylindrical water cold storage device 3 and basal sliding contact interface.
Preferably, the top of central shaft 6 arranges rotating force contact head 7, and rotating force contact head 7 is connected with motor belt, separates 1 rotation according to storing the flow-control driven by motor belt drives rotary motion let cool.The external swing-around trajectory dish 4 in top of cylindrical accumulator 3, swing-around trajectory dish 4 is provided with motion skidding 5 (or rolling bearing). and motion skidding 5 is rotated motion separation 2 and rotates along swing-around trajectory dish 4.
Below based on the first structure that fixing waterproof and heat-insulating baffle plate 1 and rotary motion separate 2, introduce the work process of this water cold accumulation device.
Charging: as shown in Figure 4, cold-storage is gone out hydrospace 8 by cold-storage water pump, in 9, the warm water of about 12 DEG C (or higher temperature) pumps, enter handpiece Water Chilling Units, prepare the chilled water of 12 DEG C, then under cold-storage water pump effect, send into cold-storage water inlet space 10, in 11, this process goes out hydrospace 8 according to from cold-storage, 9 pump entrance cold-storage water inlet space 10 after handpiece Water Chilling Units is lowered the temperature, the water rate control rotary motion of 11 separates 1 and rotates according to rotation arrows direction in schematic diagram 4, ensure 4 the area of space liquid level equilibriums separated, this process cold-storage goes out hydrospace 8, 9 volumes constantly reduce, cold-storage water inlet space 10, 11 volumes constantly increase, persistently cold-storage is gone out hydrospace 8 simultaneously, in 9, warm water stores in cold-storage water inlet space 10 after being cooled to 12 DEG C, 11;Complete one cold-storage week after date, 12 DEG C of warm water in device are all prepared into the chilled water of 12 DEG C and are stored in cold-storage water inlet space 10,11, meanwhile, cold-storage water inlet space 10,11 reaches the maximum volume close to whole water cold accumulation device, cold-storage goes out hydrospace 8,9 volume and reaches minimum, there's almost no 12 DEG C of warm water in whole water cold accumulation device, charging terminates.
nullDischarging: as shown in Figure 5,Let cool water pump and will let cool out hydrospace 10、The chilled water of 12 DEG C in 11 pumps,Enter tail end air conditioner equipment,The warm water of 12 DEG C (or higher temperatures) is become after letting cool,Then send under letting cool water pump effect and let cool into water space 8、In 9,This process is according to from letting cool out hydrospace 10、11 pump and enter and let cool into water space 8 after tail end air conditioner equipment heats up、The water rate control rotary motion of 9 separates 1 and rotates according to rotation arrows direction in schematic diagram 5,Ensure 4 the area of space liquid level equilibriums separated,This process lets cool out hydrospace 10、11 volumes constantly reduce,Let cool into water space 8、9 volumes constantly increase,Persistently will let cool out hydrospace 10 simultaneously、Chilled water in 11 is delivered to after being warming up to 12 DEG C (or higher temperatures) and is let cool into water space 8、9;Week after date is let cool completing one, the chilled water of 12 DEG C in device all becomes the warm water of 12 DEG C (or higher temperatures) and stores and letting cool in water space 8,9, meanwhile, let cool and reach the maximum volume close to whole water cold accumulation device into water space 8,9, let cool out hydrospace 10,11 volume and reach minimum, there's almost no the chilled water of 12 DEG C in whole water cold accumulation device, discharging terminates.
So can realize 1 12 DEG C of big temperature difference cold-storages, in this external cold-storage, discharging cold course, chilled water is separated by rotary motion with warm water always and fixes waterproof and heat-insulating baffle plate and is isolated in the internal different spaces region of device, prevent hot and cold water directly to mix the energy figure caused to decline, improve storage density of cold and cold-storage efficiency.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment is also not used to limit the scope of the claims of the present invention, and all equivalences done without departing from the present invention are implemented or change, and are intended to be limited solely by the scope of the claims of this case.

Claims (5)

1. the cylindrical Dynamic Water cold-storage device separated with rotary motion, it is characterised in that
(2) are separated including cylindrical accumulator (3), central shaft (6), fixing waterproof and heat-insulating baffle plate (1) and rotary motion;
Described central shaft (6) is fixed on central shaft (6) line of described cylindrical accumulator (3);
Described fixing waterproof and heat-insulating baffle plate (1) and described rotary motion separate the structure of (2) and including:
Described fixing waterproof and heat-insulating baffle plate (1) is fixed on described cylindrical accumulator (3) inside through described central shaft (6), and the inner space of described cylindrical accumulator (3) is divided into two parts of equity;Described rotary motion separates (2) and is arranged at described cylindrical accumulator (3) inside, intersect with described fixing waterproof and heat-insulating baffle plate (1) at described central shaft (6) place, and around described central shaft (6) 180 degree rotation, together with described fixing aqueous humor thermal baffle, the inner space of cylindrical accumulator (3) can be isolated into four symmetrical between two parts;
Or
It is internal that described fixing waterproof and heat-insulating baffle plate (1) is positioned at described cylindrical accumulator (3), is fixed on described central shaft (6), and another side is fixed on the inwall of described cylindrical accumulator (3);Described rotary motion separate (2) while around described central shaft (6), the inner space of described cylindrical accumulator (3), along the inwall 360 degree rotation of described cylindrical accumulator (3), is separated into two parts by another side together with described fixing waterproof and heat-insulating baffle plate (1).
2. the cylindrical Dynamic Water cold-storage device separated with rotary motion according to claim 1, it is characterised in that
Arranging rotating force contact head (7) on the top of described central shaft (6), the belt of motor connects this rotating force contact head (7), drives described rotary motion to separate (2) and rotates.
3. the cylindrical Dynamic Water cold-storage device separated with rotary motion according to claim 2, it is characterised in that
The external swing-around trajectory dish (4) in top of described cylindrical accumulator (3), swing-around trajectory dish (4) is provided with motion skidding (5);
Described motion skidding (5) drives described rotary motion separation (2) to rotate along described swing-around trajectory dish (4).
4. the cylindrical Dynamic Water cold-storage device separated with rotary motion according to claim 1 or 2 or 3, it is characterised in that
Described rotary motion separates (2) and adopts the material making of lightweight, waterproof, insulation, and has certain rigidity.
5. the cylindrical Dynamic Water cold-storage device separated with rotary motion according to claim 1 or 2 or 3, it is characterised in that
Described rotary motion separates (2) and adopts flexible sealing to be connected with described central shaft (6), the described inwall of cylindrical accumulator (3) and the contact surface of bottom.
CN201610281132.5A 2016-04-29 2016-04-29 The cylindrical dynamic water cold accumulation device separated with rotary motion Active CN105757860B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108167988A (en) * 2018-01-24 2018-06-15 中国科学院广州能源研究所 A kind of big temperature difference hot pocket type cold-storage device, cold accumulation system and energy-saving control method entirely
CN110933912A (en) * 2019-12-07 2020-03-27 广东科云辰航计算科技有限责任公司 Cold-storage energy-saving device for data center

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CN203785145U (en) * 2014-03-31 2014-08-20 中国科学院广州能源研究所 Spiral type large temperature difference water cold storage apparatus
CN104964370A (en) * 2015-07-23 2015-10-07 中国科学院广州能源研究所 Chilled water storage device
CN105157134A (en) * 2015-06-24 2015-12-16 许文辉 Energy-saving chilled water storage structure
CN205717671U (en) * 2016-05-18 2016-11-23 中国科学院广州能源研究所 The cylindrical Dynamic Water cold-storage device separated with rotary motion

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005061703A (en) * 2003-08-11 2005-03-10 Tokyo Electric Power Co Inc:The Nitrogen type gas-liquid interface shielding liquid tank
CN201607078U (en) * 2009-11-02 2010-10-13 上海汽车资产经营有限公司 Combined-type water energy storage device
CN203100025U (en) * 2012-12-25 2013-07-31 中国科学院广州能源研究所 Movable separated-type water cooling storage device
CN103940013A (en) * 2014-03-31 2014-07-23 中国科学院广州能源研究所 Spiral large-temperature-difference water cold accumulation device
CN203785145U (en) * 2014-03-31 2014-08-20 中国科学院广州能源研究所 Spiral type large temperature difference water cold storage apparatus
CN105157134A (en) * 2015-06-24 2015-12-16 许文辉 Energy-saving chilled water storage structure
CN104964370A (en) * 2015-07-23 2015-10-07 中国科学院广州能源研究所 Chilled water storage device
CN205717671U (en) * 2016-05-18 2016-11-23 中国科学院广州能源研究所 The cylindrical Dynamic Water cold-storage device separated with rotary motion

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108167988A (en) * 2018-01-24 2018-06-15 中国科学院广州能源研究所 A kind of big temperature difference hot pocket type cold-storage device, cold accumulation system and energy-saving control method entirely
CN110933912A (en) * 2019-12-07 2020-03-27 广东科云辰航计算科技有限责任公司 Cold-storage energy-saving device for data center
CN110933912B (en) * 2019-12-07 2021-04-27 广东科云辰航计算科技有限责任公司 Cold-storage energy-saving device for data center

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