CN107178847A - Nano-fluid ice cold-storage central cooling system - Google Patents
Nano-fluid ice cold-storage central cooling system Download PDFInfo
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- CN107178847A CN107178847A CN201710461568.7A CN201710461568A CN107178847A CN 107178847 A CN107178847 A CN 107178847A CN 201710461568 A CN201710461568 A CN 201710461568A CN 107178847 A CN107178847 A CN 107178847A
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- water
- working medium
- cold
- nano
- branch pipe
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Classifications
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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
- 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 cold-storage central cooling system, working medium separating tube is provided with the side wall in the left side of cold-accumulating box, working medium return duct is provided with the side wall on right side, connected between working medium separating tube and working medium return duct by many evaporating branch pipes, every evaporating branch pipe overcoat water spray branch pipe, the water main pipe of side of the water inlet end of every water spray branch pipe with being arranged on working medium return duct is connected, and has distance between water side and working medium separating tube；Top between the water side of water spray branch pipe and working medium separating tube 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, supply-water pump and ice crystal filter are disposed with the pipeline that water main pipe is connected with cold-accumulating box outlet at bottom；Working medium return duct is connected with refrigeration compressor import, and the outlet of refrigeration compressor is connected with condenser, and condenser is connected by choke valve with working medium separating tube, can continuous ice-making it is brilliant, improve ice making efficiency.
Description
Technical field
The present invention relates to a kind of nano-fluid ice cold-storage central cooling system, belong to Refrigeration Engineering field.
Background technology
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 network low ebb, be that user saves operation power charge.The ice making mode of current ice-storage air-conditioning mainly has two kinds：
One kind is static ice making mode, i.e., frozen outside cooling tube or in ice filling container, and ice is in relative static conditions in itself；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 is existed
Because the increase thermal resistance of ice layer thickness increases, causing the coefficient of performance of refrigeration machine reduces, energy consumption increase, and ice storage sump volume
Greatly, the shortcomings of one-time investment is high.The development course of dynamic ice-making is shorter, and not yet there is large-scale dynamic type ice-reserving in current China
System.
The U of CN 203478475 disclose a kind of new type of plate ice formula water cooling refrigeration system, including compression condensation machine, water-locator,
Evaporation plate is provided with below evaporation plate, Ice Storage Tank, water circulating pump, described water-locator, evaporation plate is arranged in Ice Storage Tank, ice-reserving
Trench bottom is connected by pipeline with water-locator, and water circulating pump is provided with the middle of the pipeline between Ice Storage Tank and water-locator, 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-locator is sprayed from top to bottom, and water is flowed along evaporation plate while freezing, and the ice of knot is more and more thicker, it is not easy to come off, and
Influence heat transfer, ice-making effect is poor.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention provides a kind of nano-fluid ice cold-storage central cooling system, can be continuous
Produce ice crystal, ice making efficiency high.
To achieve these goals, technical scheme is as follows：A kind of nano-fluid ice cold-storage central cooling system,
Including cold-accumulating box, the cold-accumulating box is built 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, which is provided with working medium separating tube, the side wall on right side, is provided with working medium return duct, the working medium separating tube and working medium return duct
It is parallel, and they are respectively positioned on the water surface top in cold-accumulating box, pass through many steamings between the working medium separating tube and working medium return duct
Branch pipe connection is sent out, every evaporating branch pipe overcoat water spray branch pipe has between the inwall of the water spray branch pipe and the outer wall of evaporating branch pipe
Distance, the water main pipe of side of the water inlet end with being arranged on working medium return duct of every water spray branch pipe is connected, water side and working medium
There is distance between separating tube；
Every spray water branch pipe water side and working medium separating tube between top be provided with nano-fluid separating tube, own
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, supply-water pump and ice crystal filter are disposed with connected pipeline；
The working medium return duct is connected with refrigeration compressor import, and the outlet of the refrigeration compressor is connected with condenser,
The condenser is connected by choke valve with working medium separating tube.
In such scheme：Liquid level gauge is provided with the cold-accumulating box.
Using such scheme, the cold-storage pumped out by supply-water pump current direction 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 port of export bleed pipe of water spray branch pipe；Highly concentrated nano fluid is through spray
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 nano-particle, the ice crystal of formation drops
In cold-accumulating box.Run after a period of time, liquid level gauge shows that liquid level becomes zero, show that ice crystal has been filled with cold-accumulating box, complete ice cold-storage mistake
Journey.
The present invention utilizes subcooled water dynamic ice principle, and the energy consumption of freezing process is substantially reduced, and meets wanting for energy-conserving and environment-protective
Ask.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 is proposed to spray into a small amount of highly concentrated nano fluid to solve the supercooled state of water removal in subcooled water, and nano-particle is done
For the heterogeneous nucleation agent of water, the nucleation rate of subcooled water is improved, ice making efficiency is improved.The journey deiced is not present in whole process
Sequence.
In such scheme：The pipeline that the water adjusting valve is connected with water main pipe passes through highly concentrated nano fluid cooler.Profit
With the liquid cooling highly concentrated nano fluid flowed through.
In such scheme：All water spray branch pipes are connected by branch pipe centering bar of spraying water, the water spray branch pipe centering bar
Two ends be separately fixed on the side wall of the front and rear side of cold-accumulating box.To ensure the concentric of water spray branch pipe and evaporating branch pipe.
In such scheme：4-10000 root evaporating branch pipes are distributed between the working medium separating tube and working medium return duct.
Beneficial effect：The nano-fluid ice cold-storage central cooling system of the present invention belongs to dynamic ice-storage, can continuously produce
Ice crystal, it is not necessary to deice program, the energy consumption of freezing process is low, meets the requirement of energy-conserving and environment-protective.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 is proposed will be a small amount of high
Concentration nano-fluid is sprayed into solve the supercooled state of water removal in subcooled water, and nano-particle is improved as the heterogeneous nucleation agent of water
The nucleation rate of subcooled water, improves ice making efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the 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.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples：
Embodiment 1, as Figure 1-4：The nano-fluid ice cold-storage central cooling system of the present invention is by supply-water pump 1, water transfer
Valve 2, liquid level gauge 3, working medium return duct 4, water spray branch pipe 5, evaporating branch pipe 6, water main pipe 7, working medium separating tube 8, water spray branch pipe are determined
Core bar 9, choke valve 10, refrigeration compressor 11, condenser 12, cold-accumulating box 13, cold-storage water 14, ice crystal filter 15, jet pump
16th, highly concentrated nano fluid 17, cooler 18, nozzle 19, nano-fluid separating tube 20 are constituted.
Cold-accumulating box 13 is provided with liquid level gauge 3 built with cold-storage water 14 on cold-accumulating box 13.The side wall in the left side of cold-accumulating box 13
On be provided with along its length on working medium separating tube 8, the side wall on right side and be provided with working medium return duct 4 along its length, working medium point
Liquid pipe 8 is parallel with working medium return duct 4, and they are respectively positioned on above the water surface in cold-accumulating box 13, working medium separating tube 8 and working medium backflow
Connected between pipe 4 by many evaporating branch pipes 6,4-10000 roots preferably are distributed between working medium separating tube 8 and working medium return duct 4
Evaporating branch pipe 6.Every overcoat of evaporating branch pipe 6 is sprayed water branch pipe 5, spray water have between the inwall of branch pipe 5 and the outer wall of evaporating branch pipe 6 away from
From the water main pipe 7 of side of the water inlet end with being arranged on working medium return duct 4 of every water spray branch pipe 5 is connected, water side 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
Two ends are separately fixed on the side wall of the front and rear side of cold-accumulating box 13.To ensure evaporating branch pipe 6 and the concentric installation of water spray branch pipe 5.
Every spray water branch pipe 5 water side and working medium separating tube 8 between top be provided with nano-fluid separating tube 20,
All upper end imports of nano-fluid separating tube 20 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 the phase of highly concentrated nano fluid cooler 18 of nano-fluid jet pump 16
Even, in the built-in highly concentrated nano fluid 17 of 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 with the bottom of cold-accumulating box 13
Water adjusting valve 2, supply-water pump 1 and ice crystal filter 15 are disposed with 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, reduction energy
Consumption.
Working medium return duct 4 is connected with the import of refrigeration compressor 11, and the outlet of refrigeration compressor 11 is connected with condenser 12, cold
Condenser 12 is connected by choke valve 10 with working medium separating tube 8.
The cryogenic fluid flowed out through choke valve 10 uniformly flows into evaporating branch pipe 6, and is flowed in water spray branch pipe 5 is wherein absorbed
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 with evaporating branch pipe 6
Annular crack in when flowing through, speed reaches certain flow rate, and the icing core that cold-storage water 14 formed can will be subcooled and wash from this
Wall and unlikely form ice cube and block pipeline.When supercooling cold-storage is flowed out with water 14 with certain speed, part may
Strike working medium separating tube 8 and formed and remain in a standstill and splash into the mixture of some subcooled waters and ice crystal and fall on the inside of cold-accumulating box 13.
The density of wherein ice crystal is smaller therefore swims on the liquid level of cold-storage water 14.The water after supercooled state is cooled to simultaneously from water spray branch
When outside the port of export 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 subcooled water sprayed from the highly concentrated nano fluid of each nozzle 19 ejection and from water spray branch pipe 5 is either
The uncrystallized subcooled water mixing rebounded from working medium separating tube 8, a part of subcooled water nucleation and crystallization on nano-particle, formation
Ice crystal drops in cold-accumulating box.Run after a period of time, liquid level gauge shows that liquid level becomes zero, shows that ice crystal has been filled with cold-accumulating box, complete
Into ice process of cool.
The present invention is not limited to above-mentioned specific embodiment, it will be appreciated that one of ordinary skill in the art is without creative
Work just can make many modifications and variations according to the design of the present invention.In a word, all technical staff 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 in the protection domain being defined in the patent claims.
Claims (5)
1. a kind of nano-fluid ice cold-storage central cooling system, including cold-accumulating box (13), the cold-accumulating box (13) is built with cold-storage
With water (14), it is characterised in that：Working medium separating tube is provided with along its length on the side wall in the left side of the cold-accumulating box (13)
(8) working medium return duct (4), is provided with the side wall on right side, the working medium separating tube (8) is parallel with working medium return duct (4), and it
Be respectively positioned on above the water surface in cold-accumulating box (13), pass through many between the working medium separating tube (8) and working medium return duct (4) and steam
Send out branch pipe (6) connection, every evaporating branch pipe (6) overcoat water spray branch pipe (5), the inwall and evaporating branch pipe of the water spray branch pipe (5)
(6) there are distance, the water supply of side of the water inlet end of every water spray branch pipe (5) with being arranged on working medium return duct (4) between outer wall
Main pipe (7) is connected, and has distance between water side and working medium separating tube (8)；
Every spray water branch pipe (5) water side and working medium separating tube (8) between top be 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
Connection nozzle (19) in the lower end outlet of meter Liu Ti separating tubes (20), inlet line and the 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), supply-water pump (1) and ice crystal filter (15) are disposed with the connected pipeline of outlet at bottom；
The working medium return duct (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 choke valve (10) with working medium separating tube (8).
2. nano-fluid ice cold-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 cold-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) is connected, and the two ends of the water spray branch pipe centering bar (9) are separately fixed at cold-accumulating box (13)
Front and rear side side wall on.
4. according to any one of the claim 1-3 nano-fluid ice cold-storage central cooling systems, it is characterised in that：The working medium
4-10000 roots evaporating branch pipe (6) is distributed between separating tube (8) and working medium return duct (4).
5. nano-fluid ice cold-storage central cooling system according to claim 1, it is characterised in that：On the cold-accumulating box (13)
It is provided with liquid level gauge (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 true CN107178847A (en) | 2017-09-19 |
| CN107178847B CN107178847B (en) | 2019-07-12 |
Family
ID=59835495
Family Applications (1)
| 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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| CN (1) | CN107178847B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842960A (en) * | 2017-11-24 | 2018-03-27 | 江苏高菱蓄能科技有限公司 | One kind preheating deicing ice cold accumulating pond |
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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107842960A (en) * | 2017-11-24 | 2018-03-27 | 江苏高菱蓄能科技有限公司 | One kind preheating deicing ice cold accumulating pond |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107178847B (en) | 2019-07-12 |
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