CN205448788U - Electrical heating regenerative heat exchanger - Google Patents
Electrical heating regenerative heat exchanger Download PDFInfo
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- CN205448788U CN205448788U CN201620196756.2U CN201620196756U CN205448788U CN 205448788 U CN205448788 U CN 205448788U CN 201620196756 U CN201620196756 U CN 201620196756U CN 205448788 U CN205448788 U CN 205448788U
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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 utility model relates to an electrical heating regenerative heat exchanger, it is inhomogeneous to solve current electrical heating phase -change thermal heat transfer device heat transfer in -process energy distribution, problem that energy utilization is low. This device is equipped with the heat accumulation medium including jar casing, the electric heating pipe of form in the casing, its characterized in that, still be equipped with the heat transfer pipeline in the casing, the heat transfer pipeline is turned back from top to bottom on vertical plane, and it crawls to be coils, and the heat transfer pipeline comes the inflection to return to crawl and set up or surround inside centre of a circle screw set is covered with the casing on the horizontal plane, and casing upper end opening sets up the detachable apron, and the casing is worn out from the apron to the import and the export of heat transfer pipeline, and electric heating pipe stretches into inside the casing downwards from the apron. The utility model discloses carry out even heat transfer, improvement heat utilization efficiency to the not good heat accumulation medium of mobility.
Description
Technical field
This utility model relates to a kind of regenerative apparatus, particularly to a kind of electrical heating regenerative heat exchanger.
Background technology
Since China's reform, an economic road high speed development, GDP ranks the second in the world till now, the environmental problem that China is also experienced at experience western developed country, primary energy coal, oil are extensive in evolution must be used, and causes environmental problem to be on the rise, atmosphere pollution, climate warming.In recent years, China's many ground haze takes place frequently, and has a strong impact on people's daily life and healthy.To this end, prevention and control of air pollution policy and embodiment are launched respectively in State Council and each province and city.Regulation and superseded coal-fired arcola are brought into schedule comprehensively, and " coal changes gas ", " coal changes electricity " have become trend of the times.Wherein " coal changes electricity " direction, main utilization country paddy electricity policy realizes energy-saving and emission-reduction and reduces energy consumption.Utilizing the core of paddy electricity electric energy indirect heating technology mainly in energy storage link, current phase-transition heat-storage system is just becoming the Developing mainstream of indirect heating technology energy storage link.
Existing electrical heating regenerative heat exchange system, CN103629816A patent as disclosed in 12 days March in 2014 of Patent Office of the People's Republic of China, entitled a kind of time-division peak valley electric water heater device based on phase-transition heat-storage.This device includes: water heater liner, electric heater unit, phase-change material, heat exchanging water pipe, heat-insulation layer, outer cover of water heater, intelligent controlling device, temperature digital display screen, alarm, safety exhaust and temperature sensor.Water heater liner is double-deck, it is vacuum layer between inner bag double wall, a certain amount of phase-change material is loaded in water heater liner, electric heater unit, and heat exchanging water pipe is respectively mounted in the cavity being fixed on water heater liner, and be immersed in phase-change material, heat exchanging water pipe includes cold water pipe and hot-water line, cold water pipe running water pipe is connected, and hot-water line is connected with shower, constitutes the waterway circulating of water heater.
Existing electric heating phase transformation heat-storage heat exchanger utilizes the latent-heat storage effect that can absorb and discharge amount of heat in the change procedure back and forth of the solid-liquid of heat storage medium, improve the heat storage capacity of heat storage medium, utilize paddy electrical heating to store heat, meet routine use demand, reduce energy consumption.But existing electric heating phase transformation heat-storage heat exchanger, heat storage medium does not flows under solid state shape, either electrical heating or heat release, easily cause the phenomenon that in heat storage medium storage tank, energetic portions is uneven, capacity usage ratio is low, even not smooth due to heat conduction, cause local burning in heating process, heating system is produced damage.
Summary of the invention
It is uneven that the purpose of this utility model is to solve Energy distribution in existing electric heating phase transformation heat-storage heat-exchanger rig heat transfer process, the problem that capacity usage ratio is low, it is provided that a kind of electrical heating regenerative heat exchanger.
This utility model solves its technical problem and be the technical scheme is that a kind of electrical heating regenerative heat exchanger, housing, electric heating tube including can-like, housing is built with heat storage medium, it is additionally provided with heat exchange pipeline in described housing, heat exchange pipeline is turned back in coiling of crawling at perpendicular up and down, heat exchange pipeline is turned back the most back and forth and is crawled setting or be covered with enclosure interior around the setting of center of circle spiral, housing upper end open also arranges dismountable cover plate, the inlet and outlet of heat exchange pipeline passes housing from cover plate, and electric heating tube extends downwardly into enclosure interior from cover plate.The heat storage medium that this device is suitable for can be the heat storage medium utilizing liquid phase sensible heat, it can also be the heat storage medium utilizing latent heat of phase change, heat exchange pipeline all coils distribution in the horizontal direction with vertical direction, it is covered with the whole space of enclosure interior, make heat exchange pipeline can improve heat utilization efficiency fully with the heat storage medium heat exchange in housing.The electric heater unit of this device started in the paddy electricity time at night, and heat storage medium is carried out accumulation of heat；It is passed through coolant, with heat storage medium heat exchange in heat exchange pipeline needs use heat when.Electric heating tube inserts in housing from cover plate, can be with cover plate dismounting and change, it is also possible to individually dismounting and change.
As preferably, described cover plate is also arranged above sealing electric heating tube electrode the case of protection.
As preferably, described heat exchange pipeline is arranged around center of circle spiral in the horizontal plane, and the import of heat exchange pipeline is arranged on circle centre position, outlet is arranged on edge, and described heat exchange pipeline is gradually reduced from the center of circle to edge coils gap in the horizontal plane.Circulation coolant in heat exchange pipeline, import department's refrigerant temperature is low, heat exchange is violent, consumes heat storage medium heat big, and exit refrigerant temperature is high, heat exchange ratio is shallower, heat storage medium heat is consumed little, and for needing to use the heat storage medium of phase-transition heat-storage, mobility is poor, easily causing heat skewness, heat transfer effect is deteriorated.Therefore, arranging the most sparse at import department heat exchange pipeline, and exit heat exchange pipeline is arranged closeer, equilibrium utilizes in housing heat everywhere.
As preferably, described electric heating tube distribution density progressively reduces to edge from center in the horizontal plane.Being distributed to corresponding with heat exchange pipeline, casing center position and the coolant heat exchange having just enter into housing, heat release is fast, and therefore, electric heating tube is also distributed closeer, and the most sparse to edge.
As preferably, in described housing, it is additionally provided with the dividing plate of some levels, dividing plate offers the poling hole passed for heat exchange pipeline, described dividing plate is further opened with the flowing hole supplying heat storage medium fill, expanding, flow.Electric heating tube aligns with flowing hole and is downwardly into from flowing hole position.The most corresponding with flowing hole position if there is part electric heating tube, then on dividing plate, offer special heating pore.
As preferably, described dividing plate and heat exchange pipeline are fixed in junction.Heat exchange pipeline and dividing plate form overall heat exchange tube structure, and are independently arranged with housing, can separate replacing with housing.
As preferably, described dividing plate vertically arranges multiple, is supported by distance sink tube between multiple dividing plates.
As preferably, against the diapire of housing as support bottom described distance sink tube, the top of described distance sink tube higher than the dividing plate of the top as the pull bar changing heat exchange pipeline.Dividing plate, as pull bar, is not only formed and supports by distance sink tube, and can be as stress point, by overall to dividing plate and heat exchange pipeline lifting replacing in housing.
As preferably, it is uniformly arranged the filling exit of some fill heat storage mediums described housing top ring week.
The accumulation of heat exothermic processes of above-mentioned electrical heating regenerative heat exchanger, heat storage medium uses can the medium of phase-transition heat-storage；Heat-accumulating process is to use electric heating tube to heat the heat storage medium in housing；Exothermic process is heat storage medium and the coolant heat exchange in heat exchange pipeline, and when heat storage medium exothermic process reaches phase transition temperature, electric heating tube low-power starts holding electric heating tube top layer heat storage medium and is in molten condition.Generally it is electrically heated accumulation of heat in the paddy electricity time at night, peak times of power consumption heat release carries out heat utilization by day, in exothermic process, usual electric heating tube is off heating, and heat storage medium heat release is when reaching phase transition temperature, electric heating tube low-power starts, it is ensured that the heat storage medium on electric heating tube top layer is kept molten by, it is to avoid electric heating tube directly heats solid-state heat storage medium, heat transfer is the best, causes local burning.
This utility model uses the heat exchange pipeline of overall distribution, and the heat storage medium that mobility is the best carries out uniform heat exchange, improves efficiency of utilization；And in heat exchange pipeline placement process, taking into full account the heat exchange difference of inlet and outlet, the distribution of heat exchanging pipeline, the distribution of electric heating tube are adjusted, and make whole heat exchange equalize；When the heat storage medium heat release utilizing phase-transition heat-storage reaches phase transition temperature, electric heating tube low-power starts, it is ensured that the heat storage medium on electric heating tube top layer is kept molten by, it is to avoid electric heating tube directly heats solid-state heat storage medium, and heat transfer is the best, causes local burning.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the side-looking scattergram of heat exchange pipeline in Fig. 1 of the present utility model.
Fig. 3 is the side-looking scattergram of electric heating tube in Fig. 1 of the present utility model.
Fig. 4 is that the heat exchange pipeline of embodiment 1 of the present utility model overlooks scattergram.
Fig. 5 is that the electric heating tube of embodiment 1 of the present utility model overlooks scattergram.
Fig. 6 is the diaphragm structure top view of embodiment 1 of the present utility model.
Fig. 7 is that the heat exchange pipeline of embodiment 2 of the present utility model overlooks scattergram.
Fig. 8 is that the electric heating tube of embodiment 2 of the present utility model overlooks scattergram.
Fig. 9 is the diaphragm structure top view of embodiment 2 of the present utility model.
In figure: 1, electric heating tube, 2, heat exchange pipeline, 3, flowing hole, 4, dividing plate, 5, housing, 6, distance sink tube, 7, cover plate, 8, case, 9, heat-insulation layer, 10, attemperating unit, 11, heat storage medium, a, heat exchange pipeline import, b, heat exchange pipeline export, c, filling exit.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing this utility model is further illustrated.
Embodiment 1: a kind of electrical heating regenerative heat exchanger, as shown in Figures 1 to 6.This device includes housing 5, and housing 5 is the can-like of upper opening, uses the cover plate 7 of Liftable dismounting to cover at upper opening.Fill heat storage medium 11 in housing, heat storage medium is can the medium of phase-transition heat-storage.The ring week of housing upper end is provided with 4 filling exit c, and housing bottom is provided with the outlet of heat storage medium.Being provided with heat exchange pipeline 2 in housing, as shown in Figure 1, 2, heat exchange pipeline is turned back in coiling of crawling at perpendicular up and down, and as shown in Figure 4, turn back the most back and forth setting of crawling of heat exchange pipeline is covered with enclosure interior.As shown in Figure 2,6, the most vertically it is provided with three layers of dividing plate 4 heat exchanging pipeline in housing 5 and forms support, offer the poling hole passed for heat exchange pipeline on dividing plate and be welded and fixed with heat exchange pipeline outer wall in poling hole site, dividing plate 4 is also offered for heat storage medium 11 fill, the flowing hole 3 of flowing.Each layer dividing plate 4 by distance sink tube 6 spacing being vertically arranged and supports, distance sink tube 6 bottom is against housing bottom, prevent the direct pressurized of heat exchange pipeline, distance sink tube upper end is higher than the superiors' dividing plate 4 as pull bar, the lifting being easy to whole heat exchange pipeline is changed, in housing, the liquid level of heat storage medium is higher than the dividing plate 4 of the superiors, less than filling exit c.Heat exchange pipeline import a and heat exchange pipeline outlet b stretches out from cover plate 7 and connects with external pipe.
Such as Fig. 3, shown in 5, electric heating tube 1 extends downwardly in housing 5 from cover plate 7, and is inserted into downwards the bottom in housing through the flowing hole 3 of dividing plate 4.Electric heating tube is the most supporting arranges attemperating unit 10.The electrode to attemperating unit 10, electric heating tube 1 that is arranged over of cover plate forms the case sealing protection.
The accumulation of heat exothermic processes of this device is as follows: heat storage medium uses can the medium of phase-transition heat-storage；Heat-accumulating process is to use electric heating tube to heat the heat storage medium in housing；Exothermic process is heat storage medium and the coolant heat exchange in heat exchange pipeline, and when heat storage medium exothermic process reaches phase transition temperature, electric heating tube low-power starts holding electric heating tube top layer heat storage medium and is in molten condition.It is electrically heated accumulation of heat in the paddy electricity time at night, peak times of power consumption heat release carries out heat utilization by day, in exothermic process, usual electric heating tube is off heating, and heat storage medium heat release is when reaching phase transition temperature, electric heating tube low-power starts, it is ensured that the heat storage medium on electric heating tube top layer is kept molten by, it is to avoid electric heating tube directly heats solid-state heat storage medium, heat transfer is the best, causes local burning.
Embodiment 2: a kind of electrical heating regenerative heat exchanger importing and exporting Position Design heat exchange pipeline distribution density according to heat exchange pipeline, if Fig. 1 to Fig. 3, Fig. 7 are to shown in 9.This device includes housing 5, and housing 5 is the can-like of upper opening, uses the cover plate 7 of Liftable dismounting to cover at upper opening.Fill heat storage medium 11 in housing, heat storage medium is can the medium of phase-transition heat-storage.The ring week of housing upper end is provided with 4 filling exit c, and housing bottom is provided with the outlet of heat storage medium.Heat exchange pipeline 2 it is provided with in housing, as shown in Figure 1, 2, heat exchange pipeline is turned back in coiling of crawling at perpendicular up and down, as shown in Figure 7, heat exchange pipeline is helically arranged around the center of circle at horizontal plane, and import a is centrally located for heat exchange pipeline, and heat exchange pipeline outlet b is positioned at edge, described heat exchange pipeline is gradually reduced from the center of circle to edge coils gap in the horizontal plane, is i.e. gradually increased from the center of circle to the density of edge heat exchange pipeline.Corresponding, electric heating tube 1 distribution density progressively reduces to edge from center in the horizontal plane.Such as Fig. 2, shown in 9, the most vertically it is provided with three layers of dividing plate 4 heat exchanging pipeline in housing 5 and forms support, offer the poling hole passed for heat exchange pipeline on dividing plate and be welded and fixed with heat exchange pipeline outer wall in poling hole site, dividing plate 4 is also offered for heat storage medium 11 fill, the flowing hole 3 of flowing.Each layer dividing plate 4 by distance sink tube 6 spacing being vertically arranged and supports, distance sink tube 6 bottom is against housing bottom, prevent the direct pressurized of heat exchange pipeline, distance sink tube upper end is higher than the superiors' dividing plate 4 as pull bar, the lifting being easy to whole heat exchange pipeline is changed, in housing, the liquid level of heat storage medium is higher than the dividing plate 4 of the superiors, less than filling exit c.Heat exchange pipeline import a and heat exchange pipeline outlet b stretches out from cover plate 7 and connects with external pipe.
Such as Fig. 3, shown in 8, electric heating tube 1 extends downwardly in housing 5 from cover plate 7, and is inserted into downwards the bottom in housing through the flowing hole 3 of dividing plate 4.Electric heating tube 1 distribution density progressively reduces to edge from center in the horizontal plane.Electric heating tube is the most supporting arranges attemperating unit 10.The electrode to attemperating unit 10, electric heating tube 1 that is arranged over of cover plate forms the case sealing protection.
Circulation coolant in heat exchange pipeline, import department's refrigerant temperature is low, heat exchange is violent, consumes heat storage medium heat big, and exit refrigerant temperature is high, heat exchange ratio is shallower, heat storage medium heat is consumed little, and for needing to use the heat storage medium of phase-transition heat-storage, mobility is poor, easily causing heat skewness, heat transfer effect is deteriorated.Therefore, arranging the most sparse at import department heat exchange pipeline, and exit heat exchange pipeline is arranged closeer, equilibrium utilizes in housing heat everywhere.Being distributed to corresponding with heat exchange pipeline, casing center position and the coolant heat exchange having just enter into housing, heat release is fast, and therefore, electric heating tube is also distributed closeer, and the most sparse to edge.
The accumulation of heat exothermic processes of this device is as follows: heat storage medium uses can the heat storage medium of phase-transition heat-storage；Heat-accumulating process is to use electric heating tube to heat the heat storage medium in housing；Exothermic process is heat storage medium and the coolant heat exchange in heat exchange pipeline, and when heat storage medium exothermic process reaches phase transition temperature, electric heating tube low-power starts holding electric heating tube top layer heat storage medium and is in molten condition.It is electrically heated accumulation of heat in the paddy electricity time at night, peak times of power consumption heat release carries out heat utilization by day, in exothermic process, usual electric heating tube is off heating, and heat storage medium heat release is when reaching phase transition temperature, electric heating tube low-power starts, it is ensured that the heat storage medium on electric heating tube top layer is kept molten by, it is to avoid electric heating tube directly heats solid-state heat storage medium, heat transfer is the best, causes local burning.
Claims (9)
1. an electrical heating regenerative heat exchanger, housing, electric heating tube including can-like, housing is built with heat storage medium, it is characterized in that, it is additionally provided with heat exchange pipeline in described housing, heat exchange pipeline is turned back in coiling of crawling at perpendicular up and down, heat exchange pipeline is turned back the most back and forth and is crawled setting or be covered with enclosure interior around the setting of center of circle spiral, housing upper end open also arranges dismountable cover plate, the inlet and outlet of heat exchange pipeline passes housing from cover plate, and electric heating tube extends downwardly into enclosure interior from cover plate.
A kind of electrical heating regenerative heat exchanger the most according to claim 1, it is characterised in that: described cover plate is also arranged above sealing electric heating tube electrode the case of protection.
A kind of electrical heating regenerative heat exchanger the most according to claim 1, it is characterized in that: described heat exchange pipeline is arranged around center of circle spiral in the horizontal plane, the import of heat exchange pipeline is arranged on circle centre position, outlet is arranged on edge, and described heat exchange pipeline is gradually reduced from the center of circle to edge coils gap in the horizontal plane.
A kind of electrical heating regenerative heat exchanger the most according to claim 3, it is characterised in that: described electric heating tube distribution density progressively reduces to edge from center in the horizontal plane.
5. according to a kind of electrical heating regenerative heat exchanger described in claim 1 or 2 or 3 or 4, it is characterized in that: in described housing, be additionally provided with the dividing plate of some levels, offer the poling hole passed for heat exchange pipeline on dividing plate, described dividing plate is further opened with the flowing hole supplying heat storage medium fill, expanding, flow.
A kind of electrical heating regenerative heat exchanger the most according to claim 5, it is characterised in that: described dividing plate and heat exchange pipeline are fixed in junction.
A kind of electrical heating regenerative heat exchanger the most according to claim 5, it is characterised in that: described dividing plate vertically arranges multiple, is supported by distance sink tube between multiple dividing plates.
A kind of electrical heating regenerative heat exchanger the most according to claim 7, it is characterised in that: against the diapire of housing as support bottom described distance sink tube, the top of described distance sink tube higher than the dividing plate of the top as the pull bar changing heat exchange pipeline.
9. according to a kind of electrical heating regenerative heat exchanger described in claim 1 or 2 or 3 or 4, it is characterised in that: it is uniformly arranged the filling exit of some fill heat storage mediums on described housing top ring week.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620196756.2U CN205448788U (en) | 2016-03-15 | 2016-03-15 | Electrical heating regenerative heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620196756.2U CN205448788U (en) | 2016-03-15 | 2016-03-15 | Electrical heating regenerative heat exchanger |
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| CN205448788U true CN205448788U (en) | 2016-08-10 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758241A (en) * | 2016-03-15 | 2016-07-13 | 杭州工电能源科技有限公司 | Electrically-heated energy-storage heat exchanger and heat storing and releasing method thereof |
| CN107091505A (en) * | 2017-05-02 | 2017-08-25 | 珠海格力电器股份有限公司 | Heat storage device and air conditioner with same |
| CN107878948A (en) * | 2017-12-15 | 2018-04-06 | 重庆方盛净化设备有限公司 | Tank wall is provided with the electric heater unit of vertical lattice heat-insulation layer |
| CN108981435A (en) * | 2018-07-09 | 2018-12-11 | 中国建筑西北设计研究院有限公司 | A kind of inner core changeable type storage heater and replacing options |
-
2016
- 2016-03-15 CN CN201620196756.2U patent/CN205448788U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105758241A (en) * | 2016-03-15 | 2016-07-13 | 杭州工电能源科技有限公司 | Electrically-heated energy-storage heat exchanger and heat storing and releasing method thereof |
| CN105758241B (en) * | 2016-03-15 | 2018-06-12 | 上海工电能源科技有限公司 | A kind of electrical heating regenerative heat exchanger |
| CN107091505A (en) * | 2017-05-02 | 2017-08-25 | 珠海格力电器股份有限公司 | Heat storage device and air conditioner with same |
| CN107878948A (en) * | 2017-12-15 | 2018-04-06 | 重庆方盛净化设备有限公司 | Tank wall is provided with the electric heater unit of vertical lattice heat-insulation layer |
| CN108981435A (en) * | 2018-07-09 | 2018-12-11 | 中国建筑西北设计研究院有限公司 | A kind of inner core changeable type storage heater and replacing options |
| CN108981435B (en) * | 2018-07-09 | 2020-08-07 | 中国建筑西北设计研究院有限公司 | Inner core replaceable heat accumulator and replacement method |
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Effective date of registration: 20170406 Address after: 201203 Shanghai city Chinese (Shanghai) free trade zone 498 GuoShouJing Road No. 14 building block 22301-1143 Patentee after: SHANGHAI GD ENERGY TECHNOLOGY Co.,Ltd. Address before: Hangzhou City, Zhejiang province 311100 Chang Road Yuhang Economic Development Zone No. 121 Patentee before: HANGZHOU GONGDIAN ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20221220 Address after: No. 19, Gaoyou Road, Xuhui District, Shanghai 200031 Patentee after: Shanghai Alliance Investment Ltd. Address before: 201203 block 22301-1143, building 14, No. 498, GuoShouJing Road, China (Shanghai) pilot Free Trade Zone, Shanghai Patentee before: SHANGHAI GD ENERGY TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right |