CN107178847B - Nano-fluid ice storage central cooling system - Google Patents
Nano-fluid ice storage central cooling system Download PDFInfo
- Publication number
- CN107178847B CN107178847B CN201710461568.7A CN201710461568A CN107178847B CN 107178847 B CN107178847 B CN 107178847B CN 201710461568 A CN201710461568 A CN 201710461568A CN 107178847 B CN107178847 B CN 107178847B
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- Prior art keywords
- water
- working medium
- branch pipe
- nano
- cold
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
-
- 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
-
- 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
- F25C2400/00—Auxiliary features or devices for producing, working or handling ice
- F25C2400/10—Refrigerator units
-
- 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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses a kind of nano-fluid ice storage central cooling systems, working medium separating tube is provided on the side wall in the left side of cold-accumulating box, working medium return pipe is provided on the side wall on right side, pass through more evaporating branch pipe connections between working medium separating tube and working medium return pipe, every evaporating branch pipe housing water spray branch pipe, the water inlet end of every water spray branch pipe is connected with the water main pipe for the side that working medium return pipe is arranged in, and has distance between water outlet and working medium separating tube；Top between the water outlet and working medium separating tube of water spray branch pipe is provided with the nozzle of spray nano-fluid, water main pipe is connected by pipeline with the outlet at bottom of cold-accumulating box, and water adjusting valve, water supply pump and ice crystal filter are disposed on the pipeline that water main pipe is connected with cold-accumulating box outlet at bottom；Working medium return pipe is connected with refrigeration compressor import, and the outlet of refrigeration compressor is connected with condenser, and condenser is connected by throttle valve with working medium separating tube, can continuous ice-making crystalline substance, improve ice making efficiency.
Description
Technical field
The present invention relates to a kind of nano-fluid ice storage central cooling systems, belong to Refrigeration Engineering field.
Background technique
Economic rapid growth causes to sharply increase electricity needs, and ice-storage air-conditioning can shift Peak power use, fill
Divide and utilize the cheap electric power of power grid low ebb, saves operation power charge for user.At present there are mainly two types of the ice making modes of ice-storage air-conditioning:
One is static ice making modes, i.e., freeze outside cooling tube or in ice filling container, ice itself is in relative static conditions；It is another
It is dynamic ice-making, i.e. ice is to be kept in motion relative to ice making equipment.Static ice-making system is simple, but static ice making there is
Since the increase thermal resistance of ice layer thickness increases, the coefficient of performance of refrigeration machine is caused to reduce, energy consumption increases, and ice storage sump volume
Greatly, the disadvantages of one-time investment is high.The development course of dynamic ice-making is shorter, and there has been no large-scale dynamic type ice-reservings in China at present
System.
203478475 U of CN discloses a kind of new type of plate ice formula water cooling refrigeration system, including compression condensation machine, water distributor,
Evaporation plate, Ice Storage Tank, water circulating pump, the water distributor lower section are provided with evaporation plate, and evaporation plate is arranged in Ice Storage Tank, ice-reserving
Trench bottom is connect by pipeline with water distributor, and water circulating pump is provided among the pipeline between Ice Storage Tank and water distributor, is compressed cold
Solidifying machine is connected in Ice Storage Tank by refrigerant line, and the refrigerant line in Ice Storage Tank is wrapped in outside evaporation plate.Water passes through
Water distributor sprays from top to bottom, and water freezes while flowing along evaporation plate, and the ice of knot is more and more thicker, it is not easy to it falls off, and
Heat transfer is influenced, ice-making effect is poor.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of nano-fluid ice storage central cooling systems, can be continuous
Ice crystal is produced, is made ice high-efficient.
To achieve the goals above, technical scheme is as follows: a kind of nano-fluid ice storage central cooling system,
Including cold-accumulating box, the cold-accumulating box is provided with cold-storage water, it is characterised in that: along length on the side wall in the left side of the cold-accumulating box
Direction is provided with working medium separating tube, and working medium return pipe, the working medium separating tube and working medium return pipe are provided on the side wall on right side
In parallel, and they are respectively positioned on above the water surface in cold-accumulating box, pass through more steamings between the working medium separating tube and working medium return pipe
Branch pipe connection is sent out, every evaporating branch pipe housing water spray branch pipe has between the inner wall of the water spray branch pipe and the outer wall of evaporating branch pipe
The water inlet end of distance, every water spray branch pipe is connected with the water main pipe for the side that working medium return pipe is arranged in, water outlet and working medium
There is distance between separating tube；
Top between the water outlet and working medium separating tube of every water spray branch pipe is provided with nano-fluid separating tube, owns
The upper end import of nano-fluid separating tube is connected with the outlet line of nano-fluid jet pump, the lower end of the nano-fluid separating tube
Nozzle is connected in outlet, the inlet line of the nano-fluid jet pump is connected with highly concentrated nano fluid cooler；
The water main pipe is connected by pipeline with the outlet at bottom of cold-accumulating box, in water main pipe and cold-accumulating box outlet at bottom
Water adjusting valve, water supply pump and ice crystal filter are disposed on connected pipeline；
The working medium return pipe is connected with refrigeration compressor import, and the outlet of the refrigeration compressor is connected with condenser,
The condenser is connected by throttle valve with working medium separating tube.
In above scheme: being provided with liquidometer on the cold-accumulating box.
Using the above scheme, from the cold-storage water flow that water supply pump pumps out to water main pipe, then uniform divided flows are to evaporating branch pipe
In outer water spray branch pipe, it is cooled to after supercooled state outside the outlet end bleed pipe of water spray branch pipe；Highly concentrated nano fluid is through spraying
Penetrate pump and be pumped into nano-fluid separating tube, then evenly distribute to each nozzle, from each nozzle spray highly concentrated nano fluid with
The subcooled water mixing sprayed from water spray branch pipe, a part of subcooled water nucleation and crystallization on nanoparticle, the ice crystal of formation are fallen
In cold-accumulating box.After running a period of time, liquidometer shows that liquid level becomes zero, shows that ice crystal has been filled with cold-accumulating box, completes ice storage mistake
Journey.
The present invention utilizes subcooled water dynamic ice principle, and the energy consumption of freezing process substantially reduces, and meets energy-saving and environment-friendly want
It asks.Simultaneously as the degree of supercooling of water is big, still in liquid condition when water is below freezing point temperature, to make subcooled water fast nucleation
Crystallization, the present invention propose to spray into a small amount of highly concentrated nano fluid that nanoparticle is done to solve the supercooled state removed water in subcooled water
For the heterogeneous nucleation agent of water, the nucleation rate of subcooled water is improved, improves ice making efficiency.The journey deiced is not present in whole process
Sequence.
In above scheme: the pipeline that the water adjusting valve is connected with water main pipe passes through highly concentrated nano fluid cooler.Benefit
With the cooling highly concentrated nano fluid of the liquid flowed through.
In above scheme: all water spray branch pipes are connected by branch pipe centering bar of spraying water, the water spray branch pipe centering bar
Both ends be separately fixed on the side wall of front and back side of cold-accumulating box.To guarantee the concentric of water spray branch pipe and evaporating branch pipe.
In above scheme: 4-10000 root evaporating branch pipe being distributed between the working medium separating tube and working medium return pipe.
The utility model has the advantages that nano-fluid ice storage central cooling system of the invention belongs to dynamic ice-storage, can continuously produce
Ice crystal does not need to deice program, and low energy consumption for freezing process, meets energy-saving and environment-friendly requirement.Simultaneously as the degree of supercooling of water
Greatly, still in liquid condition when water is below freezing point temperature, to crystallize subcooled water fast nucleation, the present invention proposes will be a small amount of high
Concentration nano-fluid sprays into subcooled water the supercooled state for solving water removal, and nanoparticle is improved as the heterogeneous nucleation agent of water
The nucleation rate of subcooled water improves ice making efficiency.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is cold-accumulating box top view.
Fig. 3 is water spray branch pipe, evaporating branch pipe, arrangement of nozzles figure.
Fig. 4 is water spray branch pipe, evaporating branch pipe, arrangement of nozzles figure.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
Embodiment 1, as shown in Figs 1-4: nano-fluid ice storage central cooling system of the invention is by water supply pump 1, water transfer
Valve 2, liquidometer 3, working medium return pipe 4, water spray branch pipe 5, evaporating branch pipe 6, water main pipe 7, working medium separating tube 8, water spray branch pipe are fixed
Core bar 9, throttle valve 10, refrigeration compressor 11, condenser 12, cold-accumulating box 13, cold-storage water 14, ice crystal filter 15, jet pump
16, highly concentrated nano fluid 17, cooler 18, nozzle 19, nano-fluid separating tube 20 form.
Cold-accumulating box 13 is provided with cold-storage water 14, and liquidometer 3 is provided on cold-accumulating box 13.The side wall in the left side of cold-accumulating box 13
On be provided with working medium separating tube 8 along its length, be provided with working medium return pipe 4 on the side wall on right side along its length, working medium point
Liquid pipe 8 is parallel with working medium return pipe 4, and they are respectively positioned on above the water surface in cold-accumulating box 13, working medium separating tube 8 and working medium reflux
It is connected between pipe 4 by more evaporating branch pipes 6,4-10000 root preferably is distributed between working medium separating tube 8 and working medium return pipe 4
Evaporating branch pipe 6.Every 6 housing of evaporating branch pipe is sprayed water branch pipe 5, spray water have between the inner wall of branch pipe 5 and the outer wall of evaporating branch pipe 6 away from
From the water inlet end of every water spray branch pipe 5 is connected with the water main pipe 7 for the side that working medium return pipe 4 is arranged in, water outlet and working medium
There is distance between separating tube 8.All water spray branch pipes 5 are connected by branch pipe centering bar 9 of spraying water, water spray branch pipe centering bar 9
Both ends are separately fixed on the side wall of front and back side of cold-accumulating box 13.To guarantee evaporating branch pipe 6 and the water spray concentric installation of branch pipe 5.
Top between the water outlet and working medium separating tube 8 of every water spray branch pipe 5 is provided with nano-fluid separating tube 20,
All 20 upper end imports of nano-fluid separating tube are connected with the outlet line of nano-fluid jet pump 16, nano-fluid separating tube 20
Lower end outlet on connect nozzle 19, inlet line and 18 phase of highly concentrated nano fluid cooler of nano-fluid jet pump 16
Even, highly concentrated nano fluid 17 is filled in highly concentrated nano fluid cooler 18.
Water main pipe 7 is connected by pipeline with the outlet at bottom of cold-accumulating box 13, is gone out in water main pipe 7 and 13 bottom of cold-accumulating box
Water adjusting valve 2, water supply pump 1 and ice crystal filter 15 are disposed on the connected pipeline of mouth.Water adjusting valve 2 is connected with water main pipe 7
Pipeline pass through highly concentrated nano fluid cooler 18, highly concentrated nano fluid is cooled down using the water flowed through, reduce energy
Consumption.
Working medium return pipe 4 is connected with 11 import of refrigeration compressor, and the outlet of refrigeration compressor 11 is connected with condenser 12, cold
Condenser 12 is connected by throttle valve 10 with working medium separating tube 8.
The cryogenic fluid flowed out through throttle valve 10 uniformly flows into evaporating branch pipe 6, and flows in wherein absorbing water spray branch pipe 5
The cold-storage the crossed heat of water 14, forms it into subcooled water.Water supply water supplying pump is formed by water spray branch pipe 5 and evaporating branch pipe 6
Annular crack in when flowing through, speed reaches certain flow rate, supercooling cold-storage water 14 can be formed by icing core and wash from this
Wall surface and unlikely form ice cube and block pipeline.When supercooling cold-storage is flowed out with water 14 with certain speed, part may
It strikes working medium separating tube 8 and is formed and remain in a standstill and splash into the mixture of several subcooled waters and ice crystal and fall on 13 the inside of cold-accumulating box.
Wherein the density of ice crystal is smaller therefore swim on the liquid level of cold-storage water 14.While the water after supercooled state is cooled to from water spray branch
When outside the outlet end bleed pipe of pipe 6, highly concentrated nano fluid is pumped into nano-fluid separating tube 20 through jet pump 16, then evenly distributes
To each nozzle 19, the highly concentrated nano fluid sprayed from each nozzle 19 and the subcooled water sprayed from water spray branch pipe 5 are either
The uncrystallized subcooled water mixing to rebound from working medium separating tube 8, a part of subcooled water nucleation and crystallization on nanoparticle, formation
Ice crystal is fallen in cold-accumulating box.After running a period of time, liquidometer shows that liquid level becomes zero, shows that ice crystal has been filled with cold-accumulating box, complete
At ice storage process.
The present invention is not limited to above-mentioned specific embodiment, it should be understood that those skilled in the art are without creativeness
Labour, which according to the present invention can conceive, makes many modifications and variations.In short, all technician in the art are according to this
The design of invention passes through the available technical side of logical analysis, reasoning, or a limited experiment on the basis of existing technology
Case, all should be within the scope of protection determined by the claims.
Claims (5)
1. a kind of nano-fluid ice storage central cooling system, including cold-accumulating box (13), the cold-accumulating box (13) is provided with cold-storage
With water (14), it is characterised in that: be provided with working medium separating tube along its length on the side wall in the left side of the cold-accumulating box (13)
(8), it being provided on the side wall on right side working medium return pipe (4), the working medium separating tube (8) is parallel with working medium return pipe (4), and it
Be respectively positioned on above the water surface in cold-accumulating box (13), steamed between the working medium separating tube (8) and working medium return pipe (4) by more
Branch pipe (6) connection is sent out, every evaporating branch pipe (6) housing is sprayed water branch pipe (5), the inner wall and evaporating branch pipe of water spray branch pipe (5)
(6) there is distance between outer wall, water supply pump (1), which supplies water, is being formed by annular crack by water spray branch pipe (5) and evaporating branch pipe (6)
In when flowing through, speed reaches certain flow rate, supercooling cold-storage can be formed by icing core with water (14) and wash from evaporating branch pipe (6)
Wall surface and water spray branch pipe (5) wall surface and it is unlikely form ice cube and block pipeline, every water spray branch pipe (5) water inlet end with set
It sets the water main pipe (7) in the side of working medium return pipe (4) to be connected, has distance between water outlet and working medium separating tube (8)；
Top between the water outlet and working medium separating tube (8) of every water spray branch pipe (5) is provided with nano-fluid separating tube
(20), all nano-fluid separating tube (20) upper end imports are connected with the outlet line of nano-fluid jet pump (16), described to receive
Nozzle (19) are connected in the lower end outlet of meter Liu Ti separating tube (20), the inlet line and height of the nano-fluid jet pump (16)
Concentration nano-fluid cooler (18) is connected；
The water main pipe (7) is connected by pipeline with the outlet at bottom of cold-accumulating box (13), in water main pipe (7) and cold-accumulating box
(13) water adjusting valve (2), water supply pump (1) and ice crystal filter (15) are disposed on the connected pipeline of outlet at bottom；
The working medium return pipe (4) is connected with refrigeration compressor (11) import, the outlet and condensation of the refrigeration compressor (11)
Device (12) is connected, and the condenser (12) is connected by throttle valve (10) with working medium separating tube (8).
2. nano-fluid ice storage central cooling system according to claim 1, it is characterised in that: the water adjusting valve (2) with
The connected pipeline of water main pipe (7) passes through highly concentrated nano fluid cooler (18).
3. nano-fluid ice storage central cooling system according to claim 1, it is characterised in that: all water spray branch pipes (5)
By spraying water, branch pipe centering bar (9) are connected, and the both ends of water spray branch pipe centering bar (9) are separately fixed at cold-accumulating box (13)
Front and back side side wall on.
4. any one of -3 nano-fluid ice storage central cooling system according to claim 1, it is characterised in that: the work
4-10000 root evaporating branch pipe (6) is distributed between matter separating tube (8) and working medium return pipe (4).
5. nano-fluid ice storage central cooling system according to claim 1, it is characterised in that: on the cold-accumulating box (13)
It is provided with liquidometer (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461568.7A CN107178847B (en) | 2017-06-16 | 2017-06-16 | Nano-fluid ice storage central cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710461568.7A CN107178847B (en) | 2017-06-16 | 2017-06-16 | Nano-fluid ice storage central cooling system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107178847A CN107178847A (en) | 2017-09-19 |
| CN107178847B true CN107178847B (en) | 2019-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710461568.7A Expired - Fee Related CN107178847B (en) | 2017-06-16 | 2017-06-16 | Nano-fluid ice storage central cooling system |
Country Status (1)
| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842960B (en) * | 2017-11-24 | 2023-08-01 | 江苏高菱蓄能科技有限公司 | Pre-heating deicing ice cold accumulation pool |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58195725A (en) * | 1982-05-11 | 1983-11-15 | Toyota Motor Corp | Air conditioning system utilising heat accumulated in ice |
| JPH0719688A (en) * | 1993-06-30 | 1995-01-20 | Osaka Gas Co Ltd | Plate-shaped ice-making equipment |
| CN2514297Y (en) * | 2001-12-12 | 2002-10-02 | 河南冰熊冰粒机有限公司 | Evaporator for spray type icing machine without ice mould |
| CN102119309A (en) * | 2008-08-11 | 2011-07-06 | 星崎电机株式会社 | Water spray pipe for downflow type ice making machine |
| CN202403362U (en) * | 2012-01-09 | 2012-08-29 | 重庆大学 | Integral pin-fin tube type ice storage tank |
-
2017
- 2017-06-16 CN CN201710461568.7A patent/CN107178847B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58195725A (en) * | 1982-05-11 | 1983-11-15 | Toyota Motor Corp | Air conditioning system utilising heat accumulated in ice |
| JPH0719688A (en) * | 1993-06-30 | 1995-01-20 | Osaka Gas Co Ltd | Plate-shaped ice-making equipment |
| CN2514297Y (en) * | 2001-12-12 | 2002-10-02 | 河南冰熊冰粒机有限公司 | Evaporator for spray type icing machine without ice mould |
| CN102119309A (en) * | 2008-08-11 | 2011-07-06 | 星崎电机株式会社 | Water spray pipe for downflow type ice making machine |
| CN202403362U (en) * | 2012-01-09 | 2012-08-29 | 重庆大学 | Integral pin-fin tube type ice storage tank |
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| Publication number | Publication date |
|---|---|
| CN107178847A (en) | 2017-09-19 |
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Granted publication date: 20190712 Termination date: 20210616 |