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CN108981436A - Heat exchanger and water heater - Google Patents

Heat exchanger and water heater Download PDF

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Publication number
CN108981436A
CN108981436A CN201710406675.XA CN201710406675A CN108981436A CN 108981436 A CN108981436 A CN 108981436A CN 201710406675 A CN201710406675 A CN 201710406675A CN 108981436 A CN108981436 A CN 108981436A
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CN
China
Prior art keywords
heat exchanger
fin
phase
change material
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710406675.XA
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Chinese (zh)
Inventor
岳宝
刘和成
大森宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Midea Group Co Ltd
Original Assignee
Midea Group Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Midea Group Co Ltd filed Critical Midea Group Co Ltd
Priority to CN201710406675.XA priority Critical patent/CN108981436A/en
Publication of CN108981436A publication Critical patent/CN108981436A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28HEAT EXCHANGE IN GENERAL
    • F28DHEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D20/00Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
    • F28D20/02Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
    • F28D20/021Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/14Thermal energy storage

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The present invention provides a kind of heat exchanger and water heaters, wherein heat exchanger includes: shell;Heat exchanger tube, serpentine-like to be arranged in shell, heat exchanger tube is provided with inlet and outlet;Phase-change material is arranged in shell;Fin is arranged in shell, and heat exchanger tube passes through fin;Wherein, spacing of fin is gradually increased by water inlet to water outlet.Heat exchanger provided by the invention, phase-change material is arranged in shell, spacing of fin is gradually reduced by water inlet to water outlet, the speed of phase-change material release/absorption heat of water outlet is set to become faster, to keep phase-change material solidification/thawing speed of different location identical, and then make phase-change material in each region separated by heat exchanger tube solidification/thawing completely simultaneously, the effective rate of utilization of the heat of phase-change material is further improved, the heat exchange efficiency of heat exchanger is improved.

Description

Heat exchanger and water heater
Technical field
The present invention relates to fields of home appliance technology, in particular to a kind of heat exchanger and water heater.
Background technique
Currently, substituting water tank in domestic, electric water heater using phase change material heat exchanger, not only can substantially reducing electric heating The volume of hydrophone, the slough that water tank can also be avoided to occur, reduces the generation of scale, increases the hygiene and health experience of user.
In the related technology, on the one hand, the finned tube exchanger applied to air-conditioning or refrigerator is entirely standardized heat exchange member The parameters such as component, i.e. caliber, tube spacing, fin thickness, fin shape and fin density are all standard serializations.Such fin The heat transferring medium of heat exchange of heat pipe is refrigerant and air, and the heat exchange between refrigerant and air is by free convection or pressure pair What the mode of stream carried out, thus the basic design parameters of heat exchanger are to calculate to obtain based on heat convection model or Heat transfer corelation 's.
On the other hand, applied to the finned tube exchanger of phase-change material, (i.e. pipe internal channel is water, manages outer filling phase transformation material Material, at the same in order to make the heat exchange of phase-change material more abundant, reinforce exchanging heat with fin on the outside of pipe), between water and phase-change material Heat exchange is that (i.e. solid phase phase-change material fully relies on thermally conductive transmitting heat, and the big liquid phase material of viscosity is in addition to right based on thermally conductive The mode of stream heat exchange carries out hot transmitting, also based on thermally conductive), it, must if being designed referring to refrigerator or finned tube heat exchanger of air conditioner Biggish error can be so generated, or even the heat exchanger of design is not able to satisfy heat exchange property requirement.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.
For this purpose, it is an advantage of the invention to provide a kind of heat exchangers.
It is a further object of the invention to provide a kind of water heaters.
In view of this, a purpose according to the present invention proposes a kind of heat exchanger, comprising: shell;Heat exchanger tube, it is serpentine-like It is arranged in shell, heat exchanger tube is provided with inlet and outlet;Phase-change material is arranged in shell;Fin is arranged in shell Interior, heat exchanger tube passes through fin;Wherein, spacing of fin is gradually reduced by water inlet to water outlet.
Heat exchanger provided by the invention, phase-change material are arranged in shell, and heat exchanger tube passes through fin and serpentine-like setting exists In shell, spacing of fin is gradually increased by water inlet to water outlet.When phase-change heat-exchanger heat release, cold water flows to out from water inlet The mouth of a river, heat pass to cold water by phase-change material, and phase-change material gradually solidifies, until solidification exothermic process completely is completed.Wherein, Cold water is gradually risen by water inlet to water outlet water temperature, lower closer to water inlet water temperature, higher closer to water outlet water temperature, temperature Spend the faster of lower position phase-change material solidification, and since spacing of fin is gradually increased by water inlet to water outlet, water inlet Place's fin density is bigger than water outlet fin density, i.e. the low position fin density of water temperature is big, and the position that fin density is big Thermal conductivity is good, and this improves the thermal conductivity of water inlet position, the speed for making the phase-change material of water inlet discharge heat becomes Fastly, that is, the raising of water temperature in heat exchanger tube is accelerated, and then slows down the setting rate of water inlet phase-change material, to make difference The speed of the phase-change material solidification of position is identical, and then makes phase-change material in each region separated by heat exchanger tube while coagulating completely Gu;On the contrary, high-temperature-hot-water flow to water outlet by water inlet along heat exchanger tube, and water temperature is gradually reduced when phase-change heat-exchanger heat accumulation, Since fin density is gradually reduced by water inlet to water outlet, and then the thermal conductivity of water inlet is accelerated, slowed down in heat exchanger tube The reduction of water temperature, the speed for making the phase-change material of water outlet absorb heat becomes faster, so that the phase-change material of different location be made to melt The speed of change is identical, and then melts phase-change material completely simultaneously in each region separated by heat exchanger tube, further improves The effective rate of utilization of the heat of phase-change material improves the heat exchange efficiency of heat exchanger.
In addition, the heat exchanger in above-described embodiment provided by the invention can also have following additional technical feature:
In the above-mentioned technical solutions, it is preferable that between the spacing of fin of water outlet and the spacing of fin of water inlet The value range of ratio is 1.2 to 2.
In the technical scheme, spacing of fin is gradually increased by water inlet to water outlet, makes the phase-change material of different location Thawing/solidification speed is identical, and then makes phase-change material in the thawing/solidification completely simultaneously of each region for being separated by heat exchanger tube, Ratio between the spacing of fin of water outlet and the spacing of fin of water inlet further ensures difference between 1.2 to 2 The phase-change material in region melts/solidifies simultaneously, and then improves the heat exchange efficiency of heat exchanger.
In the above-mentioned technical solutions, it is preferable that fin is monoblock type fin or split type fin.
In the technical scheme, fin can be monoblock type, be also possible to split type.On the one hand, fin is arranged to Monoblock type fin reduces processing cost convenient for the installation and maintenance of heat exchanger;On the other hand, fin is arranged to split type wing Piece, the bigger position of spacing between fin, the wing height setting of fin it is higher, heat exchange area is increased, so that heat passes It passs faster, and then phase-change material is made to realize thawing/solidification completely simultaneously in each region separated by heat exchanger tube, further The heat exchange efficiency for improving phase-change material, has saved cost;Wherein, the shape of fin can be rectangular, circle or other shapes.
In the above-mentioned technical solutions, it is preferable that fin is helical fin.
In the technical scheme, fin is arranged to helical fin, on the one hand, eliminate tube expansion work in the prior art Sequence simplifies the processing technology of heat exchanger, reduces the processing cost of heat exchanger;On the other hand, when phase-change material is in liquid phase When, helical fin enhances the heat convection effect of phase-change material, to improve the heat exchange efficiency of heat exchanger.Wherein, fin It can be circular flat wing, or Filamentous winding, split fin.
In the above-mentioned technical solutions, it is preferable that the half of the spacing between tube bank and the difference of wing height are less than or equal to The 1/X of the caliber of heat exchanger tube;The value range of X is 5 to 10.
In the technical scheme, it is interbank away from half and the difference of wing height of helical fin be less than or equal to heat exchanger tube The 1/10 to 1/5 of caliber, to keep biggish rotation wing screw pitch, consequently facilitating filling and the holding liquid phase phase-change material of phase-change material Mobility.The screw pitch and wing height of helical fin be according to the physical parameter of selected phase-change material, pipe parameter be designed with it is excellent Change, wherein the value range of X is preferably 5 to 10, and then reduces the material cost and processing cost of entire heat exchanger.
In the above-mentioned technical solutions, it is preferable that the value range of the screw pitch of helical fin is 3mm to 8mm.
In the technical scheme, the value range of the screw pitch of helical fin is 3mm to 8mm, convenient for the filling of phase-change material Mobility with liquid phase phase-change material is kept, improves the heat convection effect of phase-change material, and then improve changing for heat exchanger The thermal efficiency.
In the above-mentioned technical solutions, it is preferable that aperture is provided on fin, between adjacent tube bank.
In the technical scheme, except setting heat exchange pore on fin for being also arranged in addition to connecting heat exchanger tube on fin Aperture, had both increased the Convective of phase-change material, and had enhanced the convection effects of phase-change material, and then improve changing for heat exchanger The thermal efficiency, while being convenient for the filling of phase-change material again.In addition, fin transfers heat to phase-change material by heat-conducting mode, institute Aperture is arranged on the fin only between adjacent tube bank, the heating conduction of fin is so in turn ensured.Wherein, the cloth in hole Row's mode is in-line arrangement, to further increase the heat exchange efficiency of heat exchanger.
In the above-mentioned technical solutions, it is preferable that the value range of the pitch-row of aperture be it is interbank away from heat exchange tube diameter The 1/8 to 1/3 of difference.
In the technical scheme, fin transfers heat to phase-change material in thermally conductive form, the phase-change material of liquid phase it Between exchanged heat by convection current, the pitch-row of fin aperture depend mainly on the size of three aspect factor: phase-change material filling Convenience, the influence to the heat exchange property in a manner of conduction heat transfer and in a manner of convective heat transfer, and pitch-row is arranged interbank Between 1/8 to 1/3 of difference away from heat exchange tube diameter, the thermally conductive heat exchange property of fin not only ensure that, but also improve phase transformation material The Convective Heat Transfer of material, to further improve the heat exchange efficiency of heat exchanger.
In the above-mentioned technical solutions, it is preferable that the diameter of heat exchanger tube bending part be greater than its corresponding to it is interbank away from.
In the technical scheme, by the diameter design of heat exchanger tube bending part be greater than it is interbank away from, thus realize it is interbank away from U-shaped bending when smaller, during solving heat exchanger processing, U-shaped radius bend is smaller, and difficulty of processing is bigger, U-shaped bending half When diameter is too small, the problem of when bending will appear flat tube.
In the above-mentioned technical solutions, it is preferable that the value range of heat exchanger tube bending radian is 180 degree to 240 degree.
In the technical scheme, the bending tube of heat exchanger tube is formed by tube body bending, does not need to be welded, and ensure that heat exchange The sealing performance of pipe and the surface roughness of heat exchanger tube, meanwhile, by the setting of the value range of heat exchanger tube bending radian 180 degree extremely 240 degree, there is flat tube when so as to avoid bending, reduce difficulty of processing.
Second object of the present invention proposes a kind of water heater, because including heat exchanger described in first purpose, therefore, Whole advantageous effects with the heat exchanger.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures Obviously and it is readily appreciated that, in which:
Fig. 1 shows the structural schematic diagram of the heat exchanger of spacings of fin such as or not first aspect present invention embodiment offer;
Fig. 2 shows the structural schematic diagrams of the heat exchanger with helical fin;
Fig. 3 shows the structural schematic diagram of fin aperture;
Fig. 4 shows the structural schematic diagram of the bending tube of heat exchanger.
Wherein, the corresponding relationship in Fig. 1 to Fig. 4 between appended drawing reference and component names are as follows:
1 heat exchanger, 10 shells, 12 heat exchanger tubes, 122 water inlets, 124 water outlets, 126 bending tubes, 14 phase-change materials, 16 wings Piece, 162 helical fins, 164 heat exchange pores, 166 apertures.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below Specific embodiment limitation.
The heat exchanger 1 described according to some embodiments of the invention is described referring to Fig. 1 to Fig. 4.
The invention proposes a kind of heat exchangers 1, comprising: shell 10;Heat exchanger tube 12, it is serpentine-like to be arranged in shell 10, it changes Heat pipe 12 is provided with water inlet 122 and water outlet 124;Phase-change material 14 is arranged in shell 10;Fin 16 is arranged in shell In 10, heat exchanger tube 12 passes through fin 16;Wherein, 16 spacing of fin is gradually increased by water inlet 122 to water outlet 124.
As shown in Figure 1, heat exchanger 1 provided by the invention, phase-change material 14 is arranged in shell 10, and heat exchanger tube 12 passes through wing Piece 16 and it is serpentine-like be arranged in shell 10,16 spacing of fin is gradually increased by water inlet 122 to water outlet 124.Work as phase inversion When hot 1 heat release of device, cold water flows to water outlet 124 from water inlet 122, and heat passes to cold water, phase-change material by phase-change material 14 14 gradually solidify, until solidification exothermic process completely is completed.Wherein, cold water is gradually risen by water inlet 122 to 124 water temperature of water outlet Height, lower closer to 122 water temperature of water inlet, higher closer to 124 water temperature of water outlet, the lower position phase-change material 14 of temperature is solidifying Solid speed it is faster, and since the spacing of fin 16 is gradually increased by water inlet 122 to water outlet 124, fin at water inlet 122 16 density of fin is big at 16 density ratio water outlets 124, i.e. 16 density of position fin of water inlet 122 is big, and 16 density of fin Big position thermal conductivity is good, this improves the thermal conductivity of the high position of water temperature, releases the phase-change material 14 at water outlet 124 The speed of thermal discharge becomes faster, that is, accelerates the raising of water temperature in heat exchanger tube, and then slows down the solidification of water inlet phase-change material Speed so that the speed for solidifying the phase-change material 14 of different location is identical, and then divides phase-change material 14 by heat exchanger tube 12 Each region separated solidification completely simultaneously;When 1 heat accumulation of phase-change heat-exchanger, high-temperature-hot-water is flowed along heat exchanger tube 12 by water inlet 122 To water outlet 124, for heat by Water transport to phase-change material 14, phase-change material 14 is heated, so that it is gradually become liquid by solid-state, i.e., Gradually melt.Wherein water temperature is gradually reduced along water flowing direction, and water temperature is higher at water inlet 122, closer to water outlet Water temperature is lower at 124, and since 16 density of fin is gradually reduced by water inlet 122 to water outlet 124, and then accelerate water inlet The thermal conductivity at place slows down the reduction of water temperature in heat exchanger tube, and the speed for making the phase-change material 14 at water outlet 124 absorb heat becomes Fastly, so that the speed for melting the phase-change material 14 of different location is identical, and then separate phase-change material 14 by heat exchanger tube 12 Each region opened is melted completely simultaneously, is further improved the effective rate of utilization of the heat of phase-change material 14, is improved heat exchanger 1 Heat exchange efficiency.
In one embodiment of the invention, it is preferable that at 16 spacing of fin and water inlet 122 at water outlet 124 The value range of ratio between 16 spacing of fin is 1.2 to 2.
In this embodiment, 16 spacing of fin is gradually increased by water inlet 122 to water outlet 124, makes the phase of different location Change 14 thawings of material/solidification speed is identical, and then keeps phase-change material 14 complete simultaneously in each region separated by heat exchanger tube 12 Full thawing/solidification, ratio between 16 spacing of fin at water outlet 124 and 16 spacing of fin at water inlet 122 1.2 to It between 2, further ensures the phase-change material 14 of different zones while melting/solidifying, and then improve the heat exchange effect of heat exchanger 1 Rate.
In one embodiment of the invention, it is preferable that fin 16 is monoblock type fin (not shown) or split type Fin (not shown).
In this embodiment, fin 16 can be monoblock type, be also possible to split type.On the one hand, fin 16 is arranged Integral formula fin reduces processing cost convenient for the installation and maintenance of heat exchanger 1;On the other hand, fin 16 is arranged to fission Formula fin, the bigger position of spacing between fin 16, the wing height setting of fin 16 it is higher, increase heat exchange area, with Make heat transfer faster, so make phase-change material 14 realized in each region for being separated by heat exchanger tube 12 melt completely simultaneously/ Solidification, further improves the heat exchange efficiency of phase-change material 14, has saved cost;Wherein, the shape of fin 16 can be side Shape, circle or other shapes.
In one embodiment of the invention, it is preferable that as shown in Fig. 2, fin 16 is helical fin 162.
In this embodiment, fin 16 is arranged to helical fin 162, on the one hand, eliminate tube expansion in the prior art Process simplifies the processing technology of heat exchanger 1, reduces the processing cost of heat exchanger 1;On the other hand, at phase-change material 14 When liquid phase, helical fin 162 enhances the heat convection effect of phase-change material 14, to improve the heat exchange effect of heat exchanger 1 Rate.Wherein, fin 16 can be circular flat wing, or Filamentous winding, and split fin.
In one embodiment of the invention, it is preferable that the difference of spacing and wing height between tube bank is less than or equal to heat exchange The 1/X of the caliber of pipe 12;The value range of X is 5 to 10.
In this embodiment, it is interbank away from half and helical fin 162 wing height difference be less than or equal to heat exchanger tube The 1/10 of 12 caliber or 1/5, to keep biggish rotation wing screw pitch, consequently facilitating the filling and holding liquid phase phase of phase-change material 14 Become the mobility of material 14.The screw pitch and wing height of helical fin 162 are according to the physical parameter of selected phase-change material 14, pipe parameter It is designed and optimizes, wherein the value range of X is preferably 5 to 10, and then reduces the material cost of entire heat exchanger 1 and add Work cost.
In one embodiment of the invention, it is preferable that the value range of the screw pitch of helical fin 162 is 3mm to 8mm.
In this embodiment, the value range of the screw pitch of helical fin 162 is 3mm to 8mm, convenient for filling for phase-change material 14 Note and the mobility for keeping liquid phase phase-change material 14, improve the heat convection effect of phase-change material 14, and then improve heat exchange The heat exchange efficiency of device 1.
In one embodiment of the invention, it is preferable that as shown in figure 3, being provided with aperture on fin 16, be located at adjacent tubes Between beam.
In this embodiment, on fin 16 in addition to setting heat exchange pore 164 is used to connect heat exchanger tube 12, also in fin 16 It is upper to be provided with aperture 166, the Convective of phase-change material 14 had both been increased, the convection effects of phase-change material 14, Jin Erti are enhanced The high heat exchange efficiency of heat exchanger 1, while being convenient for the filling of phase-change material 14 again.In addition, fin 16 will be warm by heat-conducting mode Amount passes to phase-change material 14, so aperture 166 is only arranged on the fin 16 between adjacent tube bank, so in turn ensures The heating conduction of fin 16.Wherein, the mode of arranging in hole is in-line arrangement, to further increase the heat exchange efficiency of heat exchanger 1.
In one embodiment of the invention, it is preferable that the value range of the pitch-row of aperture 166 be it is interbank away from heat exchange The 1/8 to 1/3 of the difference of 12 caliber of pipe.
In this embodiment, fin 16 transfers heat to phase-change material 14, the phase-change material of liquid phase in thermally conductive form It is exchanged heat between 14 by convection current, the factor for depending mainly on the size of three aspects of the pitch-row of 16 aperture 166 of fin: phase transformation material The convenience of 14 filling of material, the influence to the heat exchange property in a manner of conduction heat transfer and in a manner of convective heat transfer, and pitch-row is set It sets between the 1/8 to 1/3 of the interbank difference away from 12 caliber of heat exchanger tube, both ensure that the thermally conductive heat exchange property of fin 16, The Convective Heat Transfer of phase-change material 14 is improved again, to further improve the heat exchange efficiency of heat exchanger 1.
In one embodiment of the invention, it is preferable that as shown in figure 4, the diameter of 12 bending part of heat exchanger tube is greater than its institute It is corresponding it is interbank away from.
In this embodiment, the diameter d1 of 12 bending part of heat exchanger tube is set greater than it is interbank away from d2, to realize pipe Interfascicular away from it is smaller when U-shaped bending, solve in 1 process of heat exchanger, U-shaped radius bend is smaller, and difficulty of processing is bigger, U When type radius bend is too small, the problem of when bending will appear flat tube.
In one embodiment of the invention, it is preferable that the value range of 12 bending radian of heat exchanger tube is 180 degree to 240 Degree.
In this embodiment, the bending tube 126 of heat exchanger tube 12 is formed by tube body bending, is not needed to be welded, be ensure that The sealing performance of heat exchanger tube 12 and the surface roughness of heat exchanger tube 12, meanwhile, the value range of 12 bending radian of heat exchanger tube is set It sets in 180 degree to 240 degree, flat tube occurs when so as to avoid bending, reduce difficulty of processing.
Second embodiment of the invention proposes a kind of water heater, because including heat exchanger 1 described in one embodiment, Therefore, with whole advantageous effects of the heat exchanger 1.
In the present invention, the terms such as term " installation ", " connected ", " connection ", " fixation " shall be understood in a broad sense, for example, " connection " may be fixed connection or may be dismantle connection, or integral connection;" connected " can be directly connected, It can be indirectly connected through an intermediary.For the ordinary skill in the art, on can understanding as the case may be State the concrete meaning of term in the present invention.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc. Mean that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one reality of the invention It applies in example or example.In the present specification, schematic expression of the above terms are not necessarily referring to identical embodiment or reality Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more of the embodiments or examples with Suitable mode combines.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (12)

1. a kind of heat exchanger characterized by comprising
Shell;
Heat exchanger tube, serpentine-like to be arranged in the shell, the heat exchanger tube is provided with inlet and outlet;
Phase-change material is arranged in the shell;
Fin is arranged in the shell, and the heat exchanger tube passes through the fin;
Wherein, the spacing of fin is gradually increased by the water inlet to the water outlet.
2. heat exchanger according to claim 1, which is characterized in that
The value model of ratio between the spacing of fin of the water outlet and the spacing of fin of the water inlet Enclose is 1.2 to 2.
3. heat exchanger according to claim 1, which is characterized in that
The fin is monoblock type fin or split type fin.
4. heat exchanger according to claim 1, which is characterized in that
The fin is helical fin.
5. heat exchanger according to claim 4, which is characterized in that
The difference of the half of spacing between the tube bank and the wing height is less than or equal to the 1/ of the caliber of the heat exchanger tube X。
6. heat exchanger according to claim 5, which is characterized in that
The value range of the X is 5 to 10.
7. heat exchanger according to claim 4, which is characterized in that
The value range of the screw pitch of the helical fin is 3mm to 8mm.
8. heat exchanger according to any one of claim 1 to 7, which is characterized in that
It is provided with aperture on the fin, between the adjacent tube bank.
9. heat exchanger according to claim 8, which is characterized in that
The value range of the pitch-row of the aperture is interbank 1/8 to 1/3 away from the difference with the heat exchange tube diameter.
10. heat exchanger according to any one of claim 1 to 7, which is characterized in that
The diameter of the heat exchanger tube bending part be greater than its corresponding to it is described it is interbank away from.
11. heat exchanger according to any one of claim 1 to 7, which is characterized in that
The value range of the heat exchanger tube bending radian is 180 degree to 240 degree.
12. a kind of water heater, which is characterized in that including the heat exchanger as described in any one of claims 1 to 11.
CN201710406675.XA 2017-06-02 2017-06-02 Heat exchanger and water heater Pending CN108981436A (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201710406675.XA CN108981436A (en) 2017-06-02 2017-06-02 Heat exchanger and water heater

Publications (1)

Publication Number Publication Date
CN108981436A true CN108981436A (en) 2018-12-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111765792A (en) * 2020-07-01 2020-10-13 南京航空航天大学 Phase-change heat storage device based on ultrasonic wave enhanced heat transfer and operation method thereof
CN111765791A (en) * 2020-07-01 2020-10-13 南京航空航天大学 Phase-change heat storage device and method based on vibration enhanced heat transfer

Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101639296A (en) * 2009-08-24 2010-02-03 北京桑达太阳能技术有限公司 Thermal storage type vacuum tube
CN101883964A (en) * 2008-03-07 2010-11-10 Lg电子株式会社 Heat exchanger
CN101889187A (en) * 2008-03-07 2010-11-17 Lg电子株式会社 Heat exchanger and method of manufacturing the same
US20100314091A1 (en) * 2003-11-17 2010-12-16 Melter S.A. De C.V. Water cooled panel
CN102089602A (en) * 2008-07-07 2011-06-08 阿塞里克股份有限公司 An evaporator
CN202902697U (en) * 2012-10-26 2013-04-24 Tcl家用电器(惠州)有限公司 Refrigerator heat exchanger
CN103925824A (en) * 2014-05-05 2014-07-16 山东省能源与环境研究院 Single-tube-bundle split solid heat accumulation heat exchanger
CN204227982U (en) * 2014-11-15 2015-03-25 无锡佳隆机电换热设备有限公司 Finned tube
CN104864756A (en) * 2015-06-04 2015-08-26 华北电力大学 High-temperature phase change heat accumulator adopting gradual changing fins
CN205102657U (en) * 2015-10-20 2016-03-23 四川五环石化装备有限公司 High -efficient fin formula heat exchange tube of foraminiferous type
CN105716462A (en) * 2014-12-05 2016-06-29 中广核太阳能开发有限公司 Solid heat storage and exchange machine, solid heat storage system and solid heat storage method
CN205717928U (en) * 2016-04-25 2016-11-23 芜湖美的厨卫电器制造有限公司 Heat exchanger and phase-change heat-storage water heater
CN205717927U (en) * 2016-04-25 2016-11-23 芜湖美的厨卫电器制造有限公司 Heat exchanger and phase-change heat storage electric water heater
CN106796050A (en) * 2014-10-08 2017-05-31 贝卡尔特燃烧技术股份有限公司 Heat exchanger

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100314091A1 (en) * 2003-11-17 2010-12-16 Melter S.A. De C.V. Water cooled panel
CN101883964A (en) * 2008-03-07 2010-11-10 Lg电子株式会社 Heat exchanger
CN101889187A (en) * 2008-03-07 2010-11-17 Lg电子株式会社 Heat exchanger and method of manufacturing the same
CN102089602A (en) * 2008-07-07 2011-06-08 阿塞里克股份有限公司 An evaporator
CN101639296A (en) * 2009-08-24 2010-02-03 北京桑达太阳能技术有限公司 Thermal storage type vacuum tube
CN202902697U (en) * 2012-10-26 2013-04-24 Tcl家用电器(惠州)有限公司 Refrigerator heat exchanger
CN103925824A (en) * 2014-05-05 2014-07-16 山东省能源与环境研究院 Single-tube-bundle split solid heat accumulation heat exchanger
CN106796050A (en) * 2014-10-08 2017-05-31 贝卡尔特燃烧技术股份有限公司 Heat exchanger
CN204227982U (en) * 2014-11-15 2015-03-25 无锡佳隆机电换热设备有限公司 Finned tube
CN105716462A (en) * 2014-12-05 2016-06-29 中广核太阳能开发有限公司 Solid heat storage and exchange machine, solid heat storage system and solid heat storage method
CN104864756A (en) * 2015-06-04 2015-08-26 华北电力大学 High-temperature phase change heat accumulator adopting gradual changing fins
CN205102657U (en) * 2015-10-20 2016-03-23 四川五环石化装备有限公司 High -efficient fin formula heat exchange tube of foraminiferous type
CN205717928U (en) * 2016-04-25 2016-11-23 芜湖美的厨卫电器制造有限公司 Heat exchanger and phase-change heat-storage water heater
CN205717927U (en) * 2016-04-25 2016-11-23 芜湖美的厨卫电器制造有限公司 Heat exchanger and phase-change heat storage electric water heater

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111765792A (en) * 2020-07-01 2020-10-13 南京航空航天大学 Phase-change heat storage device based on ultrasonic wave enhanced heat transfer and operation method thereof
CN111765791A (en) * 2020-07-01 2020-10-13 南京航空航天大学 Phase-change heat storage device and method based on vibration enhanced heat transfer

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