CN104792207A - Phase-change energy storage box - Google Patents
Phase-change energy storage box Download PDFInfo
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- CN104792207A CN104792207A CN201510182761.8A CN201510182761A CN104792207A CN 104792207 A CN104792207 A CN 104792207A CN 201510182761 A CN201510182761 A CN 201510182761A CN 104792207 A CN104792207 A CN 104792207A
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- heat exchanger
- heat
- refrigerant
- phase
- heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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Abstract
The invention discloses a phase-change energy storage box. Heat is absorbed through phase change of energy storage materials and is accumulated in the phase-change materials, the phase-change energy storage box becomes a heat preservation box, and a guarantee is provided for a user for using heat at any time. The phase-change energy storage box comprises a box body, a refrigerant heat exchanger, a heating medium heat exchanger and an electric auxiliary heater. The box body is internally filled with the solid-liquid phase-changer energy storage materials, a heat preserving layer is installed outside the box body, and the refrigerant heat exchanger, the heating medium heat exchanger and the electric auxiliary heater are arranged in the solid-liquid phase-change energy storage materials in the box body; the box body is provided with a maintenance hole; a refrigerant inlet of the refrigerant heat exchanger is connected with a refrigerant inlet connecting pipe penetrating through the box body and the heat preserving layer, and a refrigerant outlet of the refrigerant heat exchanger is connected with a refrigerant outlet connecting pipe penetrating through the box body and the heat preserving layer; a heating medium inlet of the heating medium heat exchanger is connected with a heating medium inlet connecting pipe penetrating through the box body and the heat preserving layer, and a heating medium outlet of the heating medium heat exchanger is connected with a heating medium outlet connecting pipe penetrating through the box body and the heat preserving layer.
Description
Technical field
The present invention relates to technical field of heat exchange, particularly relate to a kind of phase-changing energy-storing case being carried out accumulation of energy by phase-change material.
Background technology
Along with improving constantly of people's living standard, the demand of people to domestic hot-water is also more and more higher, and people wish that they want just can directly use with when hot water, and does not need to wait for, requires to ensure its quality, constant temperature water supply simultaneously.
Current hot water supply system adopts the structural design of mounting heat exchanger in water tank mostly.By heat exchanger by the water heating in water tank, resupply user and use.
Because the heat transfer effect of heat exchanger is lower, the volume ratio of general water tank is larger.Meanwhile, the heat exchange due to heat exchanger is subject to the impact of thermal source, often causes the unstability of supply water temperature, and impact uses.
Also same problem is there is in the hot-air system of other field of heat exchange.
Summary of the invention
The object of the invention is the technological deficiency for existing in prior art, and a kind of phase-changing energy-storing case is provided, and absorbed heat by the phase transformation of energy-accumulation material itself, simultaneously that accumulation of heat is inner at phase-change material, become an incubator, for user provides safeguard by heat at any time.
The technical scheme adopted for realizing object of the present invention is:
A kind of phase-changing energy-storing case, comprise envelope, refrigerant heat exchanger, heating-medium heat exchanger and electric heating device, energy storage system with solid-liquid phase change material is filled with in described envelope, described envelope outside is provided with heat-insulation layer, and described refrigerant heat exchanger, heating-medium heat exchanger and electric heating device are placed in the energy storage system with solid-liquid phase change material in described envelope; Described envelope is provided with service hatch; The refrigerant inlet of described refrigerant heat exchanger is connected with the refrigerant inlet adapter through described envelope and heat-insulation layer, the refrigerant exit of described refrigerant heat exchanger is connected with the refrigerant exit adapter through described envelope and heat-insulation layer, the heating agent entrance of described heating-medium heat exchanger is connected with the heating agent inlet connection through described envelope and heat-insulation layer, the heating agent outlet of described heating-medium heat exchanger is connected with the heating agent discharge connection through described envelope and heat-insulation layer.
Described envelope inside is provided with temperature measuring equipment.
Described energy storage system with solid-liquid phase change material is stearic acid, three tristearin, paraffin, sodium sulphate, calcium chloride, magnesium chloride etc. and hydrate thereof.
Described heating-medium heat exchanger is the heat exchange coil of copper material, and described heat exchange coil coils uniformly and is rolled in described energy storage materials of phase change inside; Described refrigerant heat exchanger comprises separating tube, the collector tube thin heat exchanger tube parallel with Duo Gen, and described in every root, the two ends of thin heat exchanger tube are communicated with collector tube with described separating tube respectively.
Described refrigerant heat exchanger is the heat exchange coil of copper material, and described heat exchange coil coils uniformly and is rolled in described energy storage materials of phase change inside; Described heating-medium heat exchanger is the large heat exchange of heat pipe of buffering.
Described refrigerant heat exchanger and heating-medium heat exchanger are respectively arranged with multiple heat exchange fin.
Described heat-insulation layer is polyurethane foaming layer.
Described envelope is steel material.
Compared with prior art, the invention has the beneficial effects as follows:
1, accumulation of energy case of the present invention is absorbed heat by the phase transformation of energy-accumulation material itself, simultaneously that accumulation of heat is inner at phase-change material, becomes an incubator, for user provides safeguard by heat at any time.The lasting temperature-constant operation of heating system can be ensured, ensured Heating quality.When providing identical heat, the volume of envelope can be reduced.
2, accumulation of energy case synthesizer parts of the present invention are all very simple, be conducive to assembling and produce, and its installation is simple and convenient.
3, accumulation of energy case indirect heat exchange of the present invention, does not affect the water quality of user's hot water.
Accompanying drawing explanation
Figure 1 shows that the schematic diagram of the copper heat exchange coil of employing of the present invention as the phase-changing energy-storing case of heating-medium heat exchanger;
Figure 2 shows that the schematic diagram of the copper heat exchange coil of employing of the present invention as the phase-changing energy-storing case of refrigerant heat exchanger.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Embodiment 1
The present invention adopt copper heat exchange coil as the phase-changing energy-storing case of heating-medium heat exchanger schematic diagram as shown in Figure 1, comprise envelope 2, refrigerant heat exchanger 6, heating-medium heat exchanger 5 and electric heating device 7, in order to ensure the intensity of envelope, described envelope 2 is steel material.Be filled with energy storage system with solid-liquid phase change material 4 in described envelope 2, described envelope 2 outside is provided with heat-insulation layer 1, and described heat-insulation layer 1 can adopt multiple insulation material, and the heat-insulation layer in the present embodiment is polyurethane foaming layer.Described refrigerant heat exchanger 6, heating-medium heat exchanger 5 and electric heating device 7 are placed in the energy storage system with solid-liquid phase change material 4 in described envelope 2.Described envelope 2 is provided with service hatch.The refrigerant inlet of described refrigerant heat exchanger 6 is connected with the refrigerant inlet adapter 10 through described envelope 2 and heat-insulation layer 1, the refrigerant exit of described refrigerant heat exchanger 6 is connected with the refrigerant exit adapter 11 through described envelope 2 and heat-insulation layer 1, the heating agent entrance of described heating-medium heat exchanger 5 is connected with the heating agent inlet connection 8 through described envelope 2 and heat-insulation layer 1, the heating agent outlet of described heating-medium heat exchanger 5 is connected with the heating agent discharge connection 9 through described envelope 2 and heat-insulation layer 1.In the present embodiment, described heating-medium heat exchanger 5 is the heat exchange coil of copper material, and described heat exchange coil coils uniformly and is rolled in described energy storage materials of phase change 4 inside.Described refrigerant heat exchanger 6 comprises separating tube 12, the collector tube 13 thin heat exchanger tube 14 parallel with Duo Gen, and described in every root, the two ends of thin heat exchanger tube 14 are communicated with collector tube 13 with described separating tube 12 respectively.
For the ease of understanding the variations in temperature in accumulation of energy case, described envelope 2 inside is provided with temperature measuring equipment 3.
Described energy storage system with solid-liquid phase change material is stearic acid, three tristearin, paraffin, sodium sulphate, calcium chloride, magnesium chloride etc. and hydrate thereof.
In order to improve heat transfer effect, described refrigerant heat exchanger 6 and heating-medium heat exchanger 5 are respectively arranged with multiple heat exchange fin.
Embodiment 2
The present invention adopt copper heat exchange coil as the phase-changing energy-storing case of refrigerant heat exchanger schematic diagram as shown in Figure 2, comprise envelope 2, refrigerant heat exchanger 6, heating-medium heat exchanger 5 and electric heating device 7, in order to ensure the intensity of envelope, described envelope 2 is steel material.Be filled with energy storage system with solid-liquid phase change material 4 in described envelope 2, described envelope 2 outside is provided with heat-insulation layer 1, and described heat-insulation layer 1 can adopt multiple insulation material, and the heat-insulation layer in the present embodiment is polyurethane foaming layer.Described refrigerant heat exchanger 6, heating-medium heat exchanger 5 and electric heating device 7 are placed in the energy storage system with solid-liquid phase change material 4 in described envelope 2.Described envelope 2 is provided with service hatch.The refrigerant inlet of described refrigerant heat exchanger 6 is connected with the refrigerant inlet adapter 10 through described envelope 2 and heat-insulation layer 1, the refrigerant exit of described refrigerant heat exchanger 6 is connected with the refrigerant exit adapter 11 through described envelope 2 and heat-insulation layer 1, the heating agent entrance of described heating-medium heat exchanger 5 is connected with the heating agent inlet connection 8 through described envelope 2 and heat-insulation layer 1, the heating agent outlet of described heating-medium heat exchanger 5 is connected with the heating agent discharge connection 9 through described envelope 2 and heat-insulation layer 1.In the present embodiment, described heating-medium heat exchanger 5 is the heat exchange coil of copper material, and described heat exchange coil coils uniformly and is rolled in described energy storage materials of phase change 4 inside.In the present embodiment, described refrigerant heat exchanger 6 is the heat exchange coil of copper material, and described heat exchange coil coils uniformly and is rolled in described energy storage materials of phase change 4 inside.Described heating-medium heat exchanger 5 is the large heat exchange of heat pipe of buffering.
According to difference that is temperature required or heat-supplying mode, can adopt in two ways.
A kind of mode is: heating agent is entered in heating-medium heat exchanger by heating agent inlet connection, and flows out from heating agent discharge connection, and heat is passed to energy storage materials of phase change by heating-medium heat exchanger, by energy storage materials of phase change store heat.When needs use heat, pass into refrigerant from refrigerant inlet adapter, in refrigerant heat exchanger, energy storage materials of phase change transfers heat to refrigerant, flows out after refrigerant temperature is raised from refrigerant exit adapter.When the heat that energy storage materials of phase change stores can not meet use needs, open electric heating device heating.Electric heating device, while heating phase-change material, transfers heat to plate type heat exchanger.Thus ensure from refrigerant exit adapter flow out for constant temperature thermal source.
Another kind of mode is: heating agent is entered in heating-medium heat exchanger by heating agent inlet connection, and flows out from heating agent discharge connection, and heat is passed to energy storage materials of phase change by heating-medium heat exchanger, by energy storage materials of phase change store heat.Meanwhile, refrigerant flows into refrigerant heat exchanger from refrigerant inlet adapter, and the heat of storage is passed to refrigerant and carries out exchange heat by energy storage materials of phase change, flows out after refrigerant temperature is raised from refrigerant exit adapter.When the heat of heating agent can not meet use needs, open electric heating device and heat.Electric heating device, while heating phase-change material, transfers heat to plate type heat exchanger.Thus ensure from refrigerant exit adapter flow out for constant temperature thermal source.
Accumulation of energy case of the present invention is absorbed heat by the phase transformation of energy-accumulation material itself, simultaneously that accumulation of heat is inner at phase-change material, becomes an incubator, for user provides safeguard by heat at any time.The lasting temperature-constant operation of heating system can be ensured, ensured Heating quality.Identical heat is provided, the volume of envelope can be reduced.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a phase-changing energy-storing case, it is characterized in that, comprise envelope, refrigerant heat exchanger, heating-medium heat exchanger and electric heating device, energy storage system with solid-liquid phase change material is filled with in described envelope, described envelope outside is provided with heat-insulation layer, and described refrigerant heat exchanger, heating-medium heat exchanger and electric heating device are placed in the energy storage system with solid-liquid phase change material in described envelope; Described envelope is provided with service hatch; The refrigerant inlet of described refrigerant heat exchanger is connected with the refrigerant inlet adapter through described envelope and heat-insulation layer, the refrigerant exit of described refrigerant heat exchanger is connected with the refrigerant exit adapter through described envelope and heat-insulation layer, the heating agent entrance of described heating-medium heat exchanger is connected with the heating agent inlet connection through described envelope and heat-insulation layer, the heating agent outlet of described heating-medium heat exchanger is connected with the heating agent discharge connection through described envelope and heat-insulation layer.
2. phase-changing energy-storing case according to claim 1, is characterized in that, described envelope inside is provided with temperature measuring equipment.
3. phase-changing energy-storing case according to claim 1, is characterized in that, described energy storage system with solid-liquid phase change material is stearic acid, three tristearin, paraffin, sodium sulphate, calcium chloride, magnesium chloride and hydrate thereof.
4. phase-changing energy-storing case according to claim 1, is characterized in that, described heating-medium heat exchanger is the heat exchange coil of copper material, and described heat exchange coil coils uniformly and is rolled in described energy storage materials of phase change inside; Described refrigerant heat exchanger comprises separating tube, the collector tube thin heat exchanger tube parallel with Duo Gen, and described in every root, the two ends of thin heat exchanger tube are communicated with collector tube with described separating tube respectively.
5. phase-changing energy-storing case according to claim 1, is characterized in that, described refrigerant heat exchanger is the heat exchange coil of copper material, and described heat exchange coil coils uniformly and is rolled in described energy storage materials of phase change inside; Described heating-medium heat exchanger is the large heat exchange of heat pipe of buffering.
6. phase-changing energy-storing case according to claim 1, is characterized in that, described refrigerant heat exchanger and heating-medium heat exchanger are respectively arranged with multiple heat exchange fin.
7. phase-changing energy-storing case according to claim 1, is characterized in that, described heat-insulation layer is polyurethane foaming layer.
8. phase-changing energy-storing case according to claim 1, is characterized in that, described envelope is steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510182761.8A CN104792207A (en) | 2015-04-17 | 2015-04-17 | Phase-change energy storage box |
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| CN201510182761.8A CN104792207A (en) | 2015-04-17 | 2015-04-17 | Phase-change energy storage box |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387744A (en) * | 2015-12-22 | 2016-03-09 | 华南理工大学 | Process energy-saving heat accumulator capable of separating cold fluid from heat fluid |
| CN106985724A (en) * | 2017-03-20 | 2017-07-28 | 齐齐哈尔市丰华节能环保发展有限公司 | A kind of mobile accumulation of heat car based on phase-change material |
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| CN106985724A (en) * | 2017-03-20 | 2017-07-28 | 齐齐哈尔市丰华节能环保发展有限公司 | A kind of mobile accumulation of heat car based on phase-change material |
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Application publication date: 20150722 |