CN103017449B - Heat exchange system - Google Patents
Heat exchange system Download PDFInfo
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- CN103017449B CN103017449B CN201210529860.5A CN201210529860A CN103017449B CN 103017449 B CN103017449 B CN 103017449B CN 201210529860 A CN201210529860 A CN 201210529860A CN 103017449 B CN103017449 B CN 103017449B
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- cooling
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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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Devices That Are Associated With Refrigeration Equipment (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
Abstract
The invention discloses a heat exchange system, comprising a refrigeration layer (1), a cold storage layer (2), a cooling channel (4) and a device (5) to be cooled, wherein the refrigeration layer (1) and the cold storage layer (2) are both arranged below the device (5) to be cooled, the cold storage layer (2) is arranged above the refrigeration layer (1), the outer side of the cold storage layer (2) is provided with a heat-insulation layer (3), and the cooling channel (4) is arranged in the device (5) to be cooled and is connected with the cold storage layer (2). According to the invention, the remained energy of the heat exchange system per se is used as energy to be consumed for refrigeration, an airflow is generated by virtue of the effect that gas is heated to expand and rise, so that conveying equipment is omitted, the consumed electric energy is reduced greatly, and the cold storage layer is arranged so that refrigeration equipment is unnecessary to start and stop frequently and thus is prolonged in service life.
Description
Technical field
The invention belongs to field of radiating, especially relate to a kind of heat-exchange system.
Background technology
In traditional architectures, heat-exchange system generally needs refrigeration plant to produce cold, such as, utilize compressor cooling, then carries cold by conveying equipments such as pumps, and cooled device often has complementary energy to be wasted.In cold use procedure, generally immediately produce cold with operating mode, under some operating mode, the frequent start-stop of refrigeration plant possibility, causes the efficiency of refrigeration plant to decline, reduces the service life of refrigeration plant simultaneously.
Summary of the invention
The object of the invention is to, a kind of heat-exchange system is provided, it utilizes self complementary energy as energy consumption for cooling, utilize when gases are heated, they expand rise, thus generation air-flow, eliminate conveying equipment, significantly reduce institute's consuming electric power, being provided with storage cooling layer need not start-stop refrigeration plant frequently, extends the service life of equipment.
Technical scheme of the present invention: a kind of heat-exchange system, comprise refrigerating layer, storage cooling layer, cooling duct and cooled device, refrigerating layer and storage cooling layer are all located at below cooled device, storage cooling layer is located at above refrigerating layer, be provided with heat-insulation layer cooling duct outside storage cooling layer to be located in cooled device, and cooling duct is connected with storage cooling layer.Storage cooling layer is set above refrigerating layer, like this can not with operating mode frequent start-stop refrigeration plant, by cold storage cooling layer storage, extend the service life of refrigeration plant; In cooled device above storage cooling layer, cooling duct is set, utilize cold fluid and hot fluid density contrast, expand after being heated in cold fluid heat transfer process, density reduces, thus produces gas flowing, produces local depression, cold fluid is as compensator fluid, add in system, make the conveying equipment eliminating cold in heat-exchange system, decrease the energy consumption of whole system.
In aforesaid this heat-exchange system, described cooling duct and cooled device junction are provided with heat exchange tube wall.
In aforesaid this heat-exchange system, be also provided with more than 10 heat radiations in inside, cooling duct and check sheet.Sheet is checked in the heat radiation arranged in cooling duct, not only increases area of dissipation, plays a supporting role simultaneously to cooling duct, improve cooling channel structure intensity.
Different according to heat exchange structure, can increase area of dissipation by increase radiating fin quantity, as shown in Figure 3, heat exchange area can increase by more than 10 times, and airflow direction is for move from bottom to top along fin parallel direction.
In aforesaid this heat-exchange system, described storage cooling layer adopts cooling storage.Adopt cooling storage in storage cooling layer, utilize during system phase transformation and have larger enthalpy change, substantially increase storage cold, refrigeration area variations in temperature is little simultaneously, also reduces the temperature difference of storage cool region environment, reduces insulation cost, and improve energy storage effect.
Heat-insulation layer design and construction cost Main Basis operating mode are formulated, and wherein topmost parameter is the temperature of warmed body and the temperature difference of thermal insulator temperature.Temperature difference difference is more, and insulation layer thickness requires higher.Utilize ice storage to carry out cold storage, insulation layer thickness required is at the same temperature identical, but the enthalpy change produced due to phase transformation during ice-out is far longer than the enthalpy change brought when water heats up, so its cold stored is huger.And relatively identical with needs cold, ice storage is thinner relative to required insulation layer thickness, and cost is lower.
In aforesaid this heat-exchange system, described cooling storage adopts ice storage.
In aforesaid this heat-exchange system, described heat-insulation layer adopts vacuum heat-insulating layer.
In aforesaid this heat-exchange system, the energy source of supply of described refrigerating layer is in cooled device complementary energy.Use cooled device complementary energy to freeze, save electric energy loss in system further.Especially zinc-bromine flow battery system, battery pile, in maintenance process, is generally taked to discharge on resistance, and storage power is lost, and causes system effectiveness to reduce.Owing to there being storage air-cooled structure in the present invention, in battery maintenance process, be cold energy by electric energy conversion, and store, realize " zero energy consumption ", system energy efficiency is improved greatly.
In aforesaid this heat-exchange system, described heat radiation is checked on sheet and is also provided with fan.Fan is arranged on radiating fin, to tackle cooling requirements during strong heat exchange demand operating mode, obtains larger heat exchange amount when not changing its primary structure.
Compared with prior art, the present invention arranges storage cooling layer above refrigerating layer, like this can not with operating mode frequent start-stop refrigeration plant, by cold storage cooling layer storage, extend the service life of refrigeration plant; In cooled device above storage cooling layer, cooling duct is set, utilize cold fluid and hot fluid density contrast, expand after being heated in cold fluid heat transfer process, density reduces, thus produces gas flowing, produces local depression, cold fluid is as compensator fluid, add in system, make the conveying equipment eliminating cold in heat-exchange system, decrease the energy consumption of whole system; Sheet is checked in the heat radiation arranged in cooling duct, not only increases area of dissipation, plays a supporting role simultaneously to cooling duct, improve cooling channel structure intensity; Adopt cooling storage in storage cooling layer, utilize enthalpy change amount during system phase transformation, substantially increase storage cold, refrigeration area variations in temperature is little simultaneously, also reduces the temperature difference of storage cool region environment, reduces insulation cost, and improve energy storage effect; Use cooled device complementary energy to freeze, save electric energy loss in system further.Especially zinc-bromine flow battery system, battery pile, in maintenance process, is generally taked to discharge on resistance, and storage power is lost, and causes system effectiveness to reduce.Owing to there being storage air-cooled structure in the present invention, in battery maintenance process, be cold energy by electric energy conversion, and store.Realize " zero energy consumption ", system effectiveness is improved greatly.
According to heat transfer requirements, coordinate arbitrarily the cold capacity of storage, refrigeration work consumption, and to change the combination change heat exchange area that sheet is checked in heat radiation.In zinc-bromine flow battery system, can be used for the cooling to storage tank or pile.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the top view of cooling duct;
Fig. 3 is cooling duct partial sectional view;
Fig. 4 is the structural representation that sheet is checked in heat radiation.
Being labeled as in accompanying drawing: 1-refrigerating layer, 2-stores up cooling layer, 3-heat-insulation layer, 4-cooling duct, and 5-is cooled device, and 6-heat radiation checks sheet, 7-heat exchange tube wall, 8-fan.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further illustrated, but not as the foundation limited the present invention.
Embodiments of the invention 1: as shown in Figure 1, a kind of heat-exchange system, comprise refrigerating layer 1, storage cooling layer 2, cooling duct 4 and cooled device 5, refrigerating layer 1 and storage cooling layer 2 are all located at below cooled device 5, storage cooling layer 2 is located at above refrigerating layer 1, be provided with heat-insulation layer 3 cooling duct 4 outside storage cooling layer 2 to be located in cooled device 5, and cooling duct 4 is connected with storage cooling layer 2.
As shown in Figure 2, described cooling duct 4 is provided with heat exchange tube wall 7 with cooled device 5 junction; Also be provided with 10 heat radiations in inside, cooling duct 4 and check sheet 6.
Described storage cooling layer 2 adopts cooling storage; Described cooling storage adopts ice storage.
Described heat-insulation layer 3 adopts vacuum heat-insulating layer.
The energy source of supply of described refrigerating layer 1 is in cooled device 5 complementary energy.
Described heat radiation is checked on sheet 6 and is also provided with fan 8.
Embodiments of the invention 2: as shown in Figure 1, a kind of heat-exchange system, comprise refrigerating layer 1, storage cooling layer 2, cooling duct 4 and cooled device 5, refrigerating layer 1 and storage cooling layer 2 are all located at below cooled device 5, storage cooling layer 2 is located at above refrigerating layer 1, be provided with heat-insulation layer 3 cooling duct 4 outside storage cooling layer 2 to be located in cooled device 5, and cooling duct 4 is connected with storage cooling layer 2.
As shown in Figure 2, described cooling duct 4 is provided with heat exchange tube wall 7 with cooled device 5 junction; Also be provided with 100 heat radiations in inside, cooling duct 4 and check sheet 6.
Described storage cooling layer 2 adopts cooling storage; Described cooling storage adopts ice storage.
Described heat-insulation layer 3 adopts vacuum heat-insulating layer.
The energy source of supply of described refrigerating layer 1 is in cooled device 5 complementary energy.
Described heat radiation is checked on sheet 6 and is also provided with fan 8.
Embodiments of the invention 3: as shown in Figure 1, a kind of heat-exchange system, comprise refrigerating layer 1, storage cooling layer 2, cooling duct 4 and cooled device 5, refrigerating layer 1 and storage cooling layer 2 are all located at below cooled device 5, storage cooling layer 2 is located at above refrigerating layer 1, be provided with heat-insulation layer 3 cooling duct 4 outside storage cooling layer 2 to be located in cooled device 5, and cooling duct 4 is connected with storage cooling layer 2.
As shown in Figure 2, described cooling duct 4 is provided with heat exchange tube wall 7 with cooled device 5 junction; Also be provided with 1000 heat radiations in inside, cooling duct 4 and check sheet 6.
Described storage cooling layer 2 adopts cooling storage; Described cooling storage adopts ice storage.
Described heat-insulation layer 3 adopts vacuum heat-insulating layer.
The energy source of supply of described refrigerating layer 1 is in cooled device 5 complementary energy.
Described heat radiation is checked on sheet 6 and is also provided with fan 8.
Operation principle: refrigerating layer 1 produces cold, is stored in colds such as ice in cooling layer 2, under the effect of heat-insulation layer 3, keeps temperature-resistant.Storage cooling layer 2 overhead gas enters from cooling duct 4.After heat exchange occurs for gas permeation heat exchange tube wall in cooling duct 47 and cooled device 5, gas temperature rises, and expands, and produces air-flow upwards, discharges above cooling duct 4.Cause cold fluid from heat-insulation layer 2 auto-compensation to cooling duct 4, thus on the basis of not consumes energy, utilize density contrast, completion system heat exchange.
The present invention also can be used for heating intensification, and when heating, lower floor's storage cooling layer, for becoming except thermosphere, now then forms a upper strata low temperature, the inversion environment of lower floor's high temperature, and due to the effect of density contrast, lower floor's heating fluid nature moves to upper strata, carries out heat exchange.
Claims (7)
1. a heat-exchange system, it is characterized in that: comprise refrigerating layer (1), storage cooling layer (2), cooling duct (4) and cooled device (5), cooled device (5) below is all located in refrigerating layer (1) and storage cooling layer (2), refrigerating layer (1) top is located in storage cooling layer (2), storage cooling layer (2) outside is provided with heat-insulation layer (3), cooling duct (4) is located in cooled device (5), and cooling duct (4) are connected with storage cooling layer (2); Also be provided with more than 10 heat radiations in cooling duct (4) inside and check sheet (6).
2. a kind of heat-exchange system according to claim 1, is characterized in that: described cooling duct (4) and cooled device (5) junction are provided with heat exchange tube wall (7).
3. a kind of heat-exchange system according to claim 1, is characterized in that: described storage cooling layer (2) adopts cooling storage.
4. a kind of heat-exchange system according to claim 3, is characterized in that: described cooling storage adopts ice storage.
5. a kind of heat-exchange system according to claim 1, is characterized in that: described heat-insulation layer (3) adopts vacuum heat-insulating layer.
6. a kind of heat-exchange system according to claim 1, is characterized in that: the energy source of supply of described refrigerating layer (1) is in cooled device (5) complementary energy.
7. a kind of heat-exchange system according to claim 2, is characterized in that: described heat radiation is checked on sheet (6) and is also provided with fan (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529860.5A CN103017449B (en) | 2012-12-10 | 2012-12-10 | Heat exchange system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210529860.5A CN103017449B (en) | 2012-12-10 | 2012-12-10 | Heat exchange system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103017449A CN103017449A (en) | 2013-04-03 |
| CN103017449B true CN103017449B (en) | 2015-04-15 |
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| CN201210529860.5A Active CN103017449B (en) | 2012-12-10 | 2012-12-10 | Heat exchange system |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000180082A (en) * | 1998-12-16 | 2000-06-30 | Mitsubishi Cable Ind Ltd | Cold storage heat exchanger |
| CN101004332A (en) * | 2007-01-25 | 2007-07-25 | 南京大学 | Heat pipe accumulator |
| CN200940970Y (en) * | 2006-06-02 | 2007-08-29 | 潘阳 | Thermal pipe type ice storage, melting ice and refrigerator |
| CN200962861Y (en) * | 2006-09-29 | 2007-10-24 | 北京工业大学 | Heat energy storing unit structure type cooling clothes device |
| CN201043780Y (en) * | 2007-03-26 | 2008-04-02 | 陈定兴 | Electric energy accumulation working medium direct-motion phase inversion heat supplying device |
| CN101344344A (en) * | 2008-08-25 | 2009-01-14 | 南京大学 | Heat pipe semiconductor refrigeration and cold accumulation system |
| CN102261706A (en) * | 2011-05-27 | 2011-11-30 | 南京师范大学 | Natural cold source multi-temperature-level cold accumulation system based on heat pipe |
| CN102374804A (en) * | 2011-09-28 | 2012-03-14 | 江苏科技大学 | Heat pipe cold accumulation device |
| CN202522115U (en) * | 2012-04-25 | 2012-11-07 | 路生吉 | Efficient plate-type phase-change heat storage device |
-
2012
- 2012-12-10 CN CN201210529860.5A patent/CN103017449B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000180082A (en) * | 1998-12-16 | 2000-06-30 | Mitsubishi Cable Ind Ltd | Cold storage heat exchanger |
| CN200940970Y (en) * | 2006-06-02 | 2007-08-29 | 潘阳 | Thermal pipe type ice storage, melting ice and refrigerator |
| CN200962861Y (en) * | 2006-09-29 | 2007-10-24 | 北京工业大学 | Heat energy storing unit structure type cooling clothes device |
| CN101004332A (en) * | 2007-01-25 | 2007-07-25 | 南京大学 | Heat pipe accumulator |
| CN201043780Y (en) * | 2007-03-26 | 2008-04-02 | 陈定兴 | Electric energy accumulation working medium direct-motion phase inversion heat supplying device |
| CN101344344A (en) * | 2008-08-25 | 2009-01-14 | 南京大学 | Heat pipe semiconductor refrigeration and cold accumulation system |
| CN102261706A (en) * | 2011-05-27 | 2011-11-30 | 南京师范大学 | Natural cold source multi-temperature-level cold accumulation system based on heat pipe |
| CN102374804A (en) * | 2011-09-28 | 2012-03-14 | 江苏科技大学 | Heat pipe cold accumulation device |
| CN202522115U (en) * | 2012-04-25 | 2012-11-07 | 路生吉 | Efficient plate-type phase-change heat storage device |
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| CN103017449A (en) | 2013-04-03 |
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Effective date of registration: 20220329 Address after: 210000 No. 109, zhuangpai Road, moling street, Jiangning District, Nanjing, Jiangsu Province (Jiangning Development Zone) Patentee after: Jiangsu HengAn Energy Storage Technology Co.,Ltd. Address before: 810600 Zhongguancun base, floor 1, No. 211, Ping'an Avenue, Ping'an County, Haidong Prefecture, Qinghai Province Patentee before: QINGHAI BAINENG HUITONG NEW ENERGY SCIENCE & TECHNOLOGY CO.,LTD. |
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