CN208579423U - A kind of efficient heat exchange phase-change heat-exchanger, deformation fin and phase-change accumulation energy case - Google Patents
A kind of efficient heat exchange phase-change heat-exchanger, deformation fin and phase-change accumulation energy case Download PDFInfo
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- CN208579423U CN208579423U CN201820891815.7U CN201820891815U CN208579423U CN 208579423 U CN208579423 U CN 208579423U CN 201820891815 U CN201820891815 U CN 201820891815U CN 208579423 U CN208579423 U CN 208579423U
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Abstract
The utility model provides a kind of efficient heat exchange phase-change heat-exchanger, deformation fin and phase-change accumulation energy case.Deforming fin includes at least two longitudinal regions, wherein piece deformation fin has and each heat pipe transverse tube interfaces of phase-change heat-exchanger and the through-hole that passes through for each heat pipe transverse tube in region longitudinally in each, and in region longitudinally in each, deformation fin is minimum in the thickness of the intersection fin with every heat pipe transverse tube；With deformation fin in the longitudinal region centered on the intersection of every heat pipe transverse tube, each extended over to upper and lower two sides, the thickness of fin gradually increases.The utility model, which passes through, installs the deformation fin additional, and the exchanger heat conduction to solve phase-change accumulation energy case in the prior art is uneven, heat exchanger effectiveness is low, phase-change material is in a series of technical problems such as heat exchanger outer wall condensations, realizes the optimization of heat exchanger effectiveness.
Description
Technical field
The utility model relates to field of new energy technologies more particularly to a kind of efficient heat exchange phase-change heat-exchangers, deformation wing
Piece and phase-change accumulation energy case.
Background technique
For the external systems for realizing thermal energy output various for cogeneration of heat and power, distributed trilogy supply, heating system etc., when
When the heat output of system is greater than real-time heat demand, it is necessary to carry out energy storage.
Phase-change energy storage device realizes the storage and release of thermal energy using phase-change material.Phase-change material has following temperature special
Property: when temperature raising reaches phase transition temperature, the physical state of phase-change material changes, and the temperature of phase-change material itself is in phase
Become before completing and almost remains unchanged, during this, a large amount of heat of transformations are absorbed or released out.To produce in the phase transformation stage
One has been given birth to than wider temperature platform, the appearance of this platform, when allowing us to obtain a metastable constant temperature
Between.The energy storage density of phase-change accumulation energy is high, and heat is mainly distributed near phase transition temperature, therefore practical utilize is easier,
Common energy storage materials of phase change includes magnesium nitrate hexahydrate etc..
Existing phase-change energy storage device includes an energy-storage box, places phase-change material in energy-storage box, heat pipe is responsible for energy-storage box
Inside output and input the fluids thermal medium such as hot water, hot gas.And by the heat exchanger installed in energy-storage box, realize phase-change material with
Heat exchange between heat pipe internal heating medium.The common heat exchanger of energy-storage box includes pipe heat exchanger and finned heat exchanger.
The heat conducting pipe of pipe heat exchanger is passed through energy-storage box by inlet, energy-storage box inside turn arrange, then from exit from
Energy-storage box is drawn.Since heat exchange contact area is only limitted to the outer wall of heat conducting pipe, heat transfer efficiency is not high.Finned heat exchanger is
Pipe heat exchanger heat conducting pipe external parallel, a series of plate heat conduction fins are equally spacedly set, can increase heat exchange contact
Area；But due to phase-change material itself be not easy it is thermally conductive so that the phase-change material heat transfer at middle part is uneven between two panels fin
It is even, heat accumulation low efficiency；Phase-change material is also easy to the contact site generating plate in heat pipe outer wall, fin surface and fin and heat pipe
Caked phenomenon hinders heat transfer, also very unfavorable to the service life of phase-change energy storage device.As it can be seen that at present inside phase-change accumulation energy case
The heat exchanger of installation have the shortcomings that heat exchanger effectiveness is low, heat transfer is insufficient, phase-change material be easy it is hardened.
Utility model content
In view of this, the purpose of the application is to propose a kind of efficient heat exchange phase-change heat-exchanger, deformation fin and phase transformation
Energy-storage box.Heat exchange phase-change heat-exchanger and phase-change accumulation energy case are by installing the deformation fin additional, to solve the storage of phase transformation in the prior art
The exchanger heat conduction of energy case is uneven, heat exchanger effectiveness is low, phase-change material is in a series of technologies such as heat exchanger outer wall condensations
Problem realizes the optimization of heat exchanger effectiveness.
Based on above-mentioned purpose, present applicant proposes a kind of heat exchange phase-change heat-exchangers to deform fin；The every deformation wing
Piece includes at least two longitudinal regions, wherein piece deformation fin has each with phase-change heat-exchanger in region longitudinally in each
Heat pipe transverse tube interfaces and the through-hole passed through for each heat pipe transverse tube, and longitudinally adjacent two through-holes in region longitudinally in each
Longitudinal pitch be L；Also, in region longitudinally in each, thickness of the deformation fin in the intersection fin with every heat pipe transverse tube
Degree is minimum；With deformation fin in the longitudinal region centered on the intersection of every heat pipe transverse tube, to upper and lower two sides
At the 1/2 of the spacing L extended respectively to, the thickness of fin is gradually increased；Wherein deformed with the intersection of every heat pipe transverse tube
Fin with a thickness of 0.15mm-0.25mm, deformed at the 1/2 of spacing L fin with a thickness of 0.3-0.35mm.
Preferably, it is described deformation fin longitudinally in each region transverse width be 5.5-8.5em.
Preferably, the spacing of two laterally adjacent through-holes of the deformation fin is 5.5-8.5cm.
Preferably, the hole interior diameter of the deformation each through-hole of fin is 14-18mm.
Preferably, the number of openings being arranged in each longitudinal region is 8-12.
The utility model additionally provides a kind of heat exchange phase-change heat-exchanger, which is characterized in that including at least two groups heat pipe with
And several above-mentioned deformation fins, wherein every group of heat pipe includes more heat pipe transverse tubes being parallel to each other, and by being arranged described
More of this group of heat pipe heat pipe transverse tubes are connected to become the heat pipe homogeneous tube an of detour by the heat pipe curved tube of heat pipe transverse tube end；
The through-hole in a longitudinal region that more heat pipe transverse tubes of one group of heat pipe deform fin from every passes through.
Preferably, distance of the deformation fin described in adjacent two panels in through hole is 3.5-4.5mm.
Preferably, the deformation fin the piece number that one group of phase-change heat-exchanger includes is 40-65 piece.
The utility model additionally provides a kind of phase-change accumulation energy case, including a seal case, installs in the seal case
Heat exchange phase-change heat-exchanger is stated, and fills phase-change material in the seal case.
Preferably, the seal case has vacuum interlayer.
Heat exchange phase-change heat-exchanger, deformation fin and phase-change accumulation energy case provided by the present application effectively increase heat exchange phase transformation
The heat exchange area of heat exchanger enhances the heat transfer between heat pipe internal heating fluid and phase-change material, only adopts compared to the prior art
With heat pipe structure, heat transfer parameter is 3-11 times；Also, deforming fin has good thermal expansion and cold contraction effect, so that having tied
Brilliant phase-change material can voluntarily fall off, and avoid being bonded in heat pipe and fin surface for a long time and influencing to conduct heat；Using non-homogeneous
The fin of thickness further enhances capacity of heat transmission, and is conducive to phase-change material in the convection current of liquid phase state, can more have
Effect is removed to be condensed with heat pipe and the phase-change material on pipe wing surface is prevented；The utility model deforms the thickness of fin, through-hole spacing, leads to
The parameters such as hole number (i.e. heat pipe spacing and heat pipe quantity), through-hole aperture homogeneously should give optimization, and the heat that optimization may be implemented is handed over
Transsexual energy.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, the application's is other
Feature, objects and advantages will become more apparent upon:
Fig. 1 is the deformation fin structure schematic diagram of the embodiment of the present application；
Fig. 2 is the phase-change accumulation energy box structure schematic diagram of the embodiment of the present application；
Fig. 3 is the structural schematic diagram of the heat exchange phase-change heat-exchanger of the embodiment of the present application；
Fig. 4 is the deformation fin and heat pipe the schematic diagram of the section structure of the embodiment of the present application.
Specific embodiment
The application is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining relevant utility model, rather than the restriction to the utility model.It further needs exist for illustrating
, part relevant to related utility model is illustrated only for ease of description, in attached drawing.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The application is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It is this that the utility model embodiment, which provides a kind of heat exchange phase-change heat-exchanger, deformation fin and phase-change accumulation energy case, Fig. 1,
Deform the structural schematic diagram of fin.The every deformation fin includes at least two longitudinal region Z1, Z2......, wherein often
In a longitudinal region, which, which deforms fin, has with each heat pipe transverse tube interfaces of phase-change heat-exchanger and for each heat pipe transverse tube
The through-hole H passed through, and in region longitudinally in each, the longitudinal pitch of two longitudinally adjacent through-hole H is L；Also, each vertical
Into region, deformation fin is minimum in the thickness T1 of the intersection fin with every heat pipe transverse tube；As deformation fin is described
In longitudinal region centered on the intersection of every heat pipe transverse tube, the spacing L extended respectively to upper and lower two sides 1/2 at,
The thickness of fin is gradually increased to T2；It is being wherein 0.15mm- with the thickness T1 of the intersection of every heat pipe transverse tube deformation fin
0.21mm preferably can be used in 0.25mm；The thickness T2 that fin is deformed at the 1/2 of spacing L is 0.3-0.35mm, preferably
0.33mm.The deformation fin region Z1 longitudinally in each, Z2...... have equal width, and region longitudinally in each is laterally wide
Degree W is 5.5-8.5cm, preferably 7.3cm, and correspondingly, the spacing W of two laterally adjacent through-hole H of the deformation fin is also
5.5-8.5cm preferably 7.3cm.The hole interior diameter of the deformation each through-hole H of fin is 14-18mm, preferably 16mm, with every
The pipe outside diameter of heat pipe transverse tube is consistent.Although only depicting two through-holes in Fig. 1, those skilled in the art be will be seen that, be
Reach enough heat exchange efficiencies, the number of openings being arranged in each longitudinal region Z1, Z2...... is 8-12.Such as
Shown in Fig. 1 and 4, the outside wall surface of deformation fin 4 is in cambered surface.Since the heating conduction of fin itself is higher than the phase-change material,
Therefore, in the position far from the heat pipe, the thickness of fin can be thickened suitably, thus for far from the phase transformation material at the heat pipe
Material conducts more heats.In addition, it is to influence a big factor of heat exchange efficiency that phase-change material, which condenses into dirty phenomenon in heat pipe outer wall,；
By the non-homogeneous arc deformation fin of above-mentioned progressive thickness, may be implemented it is non-homogeneous expand with heat and contract with cold, it is cold closer to heat pipe heat expansion
Contracting effect is more obvious, and can be played the role of stirring to condensation phase change material and is detached from；Under liquid phase state, phase-change material is in heat pipe
Convection current is carried out between fin, the non-uniform shapes for deforming fin are conducive to convection current in intersection, so that crystallized phase
Becoming material can be removed by convection current, avoid being bonded in heat pipe and fin surface for a long time and influencing to conduct heat.
By installing above-mentioned deformation fin, the utility model additionally provides a kind of heat exchange phase-change heat-exchanger, Yi Jian
The phase-change accumulation energy case of the heat exchange phase-change heat-exchanger is filled.As shown in Fig. 2, phase-change accumulation energy case includes: seal case 1, phase transformation material
Material 2, heat pipe 3 and deformation fin 4.The shape of the seal case 1 can be cylindrical or prismatic (such as cuboid) etc.
Various proper shapes, the utility model are without limitation.Heat pipe 3 and deformation fin 4 form heat exchange phase-change heat-exchanger.Institute
State the common phase-change material such as filling phase-change material 2, such as magnesium nitrate hexahydrate in seal case 1；The cabinet of the seal case 1
Wall has vacuum interlayer, heat-insulated inside and outside cabinet to increase.
As shown in figure 3, heat exchange phase-change heat-exchanger includes at least two groups heat pipe 3 and several above-mentioned deformation fins 4,
In every group of heat pipe 3 include more heat pipe transverse tube 3A being parallel to each other, and the heat pipe by the way that heat pipe transverse tube end is arranged in is bent
More of this group of heat pipe heat pipe transverse tube 3A are connected to become the heat pipe homogeneous tube 3 an of detour by pipe 3B.More of one group of heat pipe 3
The through-hole H in a longitudinal region that heat pipe transverse tube 3A deforms fin 4 from every is passed through.The institute that heat exchange phase-change heat-exchanger includes
Stating deformation fin 4 has multi-disc, and deformation fin 4 described in multi-disc is arranged in parallel in the seal case 1, the adjacent deformation wing
The distance between piece 4 is identical；Distance of the deformation fin 4 at through-hole H is 3.5-4.5mm described in adjacent two panels, preferably
4mm, and the total the piece number for deforming fin 4 that one group of phase-change heat-exchanger includes is 40-65 piece.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.Those skilled in the art
Member is it should be appreciated that utility model range involved in the application, however it is not limited to made of the specific combination of above-mentioned technical characteristic
Technical solution, at the same should also cover do not depart from above-mentioned utility model design in the case where, by above-mentioned technical characteristic or its be equal
Feature carries out any combination and other technical solutions for being formed.Such as features described above and (but being not limited to) disclosed herein have
The technical solution for thering is the technical characteristic of similar functions to be replaced mutually and being formed.
Claims (10)
1. a kind of heat exchange phase-change heat-exchanger deforms fin, which is characterized in that the every deformation fin includes at least two vertical
To region, wherein piece deformation fin has with each heat pipe transverse tube interfaces of phase-change heat-exchanger simultaneously in region longitudinally in each
For the through-hole that each heat pipe transverse tube passes through, and the longitudinal pitch of longitudinally adjacent two through-holes in region longitudinally in each is L；And
And in region longitudinally in each, deformation fin is minimum in the thickness of the intersection fin with every heat pipe transverse tube；With deformation wing
Piece in the longitudinal region centered on the intersection of every heat pipe transverse tube, the spacing L that is extended respectively to upper and lower two sides
1/2 at, the thickness of fin gradually increases；Wherein with the intersection of every heat pipe transverse tube deformation fin with a thickness of
0.15mm-0.25mm, at the 1/2 of spacing L deform fin with a thickness of 0.3-0.35mm.
2. heat exchange phase-change heat-exchanger according to claim 1 deforms fin, which is characterized in that the deformation fin is each
The transverse width of longitudinal region is 5.5-8.5cm.
3. heat exchange phase-change heat-exchanger according to claim 1 deforms fin, which is characterized in that the deformation fin is lateral
The spacing of two adjacent through-holes is 10-15.5cm.
4. heat exchange phase-change heat-exchanger according to claim 1 deforms fin, which is characterized in that the deformation fin is each
The hole interior diameter of through-hole is 14-18mm.
5. heat exchange phase-change heat-exchanger according to claim 1 deforms fin, which is characterized in that in each longitudinal region
The number of openings being arranged in domain is 8-12.
6. a kind of heat exchange phase-change heat-exchanger, which is characterized in that including at least two groups heat pipe, and if dry plate claim 1-5
Any one of described in deformation fin, wherein every group of heat pipe includes more heat pipe transverse tubes being parallel to each other, and existed by setting
More of this group of heat pipe heat pipe transverse tubes are connected to become the heat pipe of a detour by the heat pipe curved tube of heat pipe transverse tube end
Homogeneous tube；The through-hole in a longitudinal region that more heat pipe transverse tubes of one group of heat pipe deform fin from every passes through.
7. heat exchange phase-change heat-exchanger according to claim 6, which is characterized in that deformation fin is logical described in adjacent two panels
Distance at hole is 3.5-4.5mm.
8. heat exchange phase-change heat-exchanger according to claim 6, which is characterized in that the deformation that one group of phase-change heat-exchanger includes
Fin the piece number is 40-65 piece.
9. a kind of phase-change accumulation energy case, including a seal case, which is characterized in that install the claims in the seal case
Heat exchange phase-change heat-exchanger described in any one of 6-8, and phase-change material is filled in the seal case.
10. phase-change accumulation energy case according to claim 9, which is characterized in that the seal case has vacuum interlayer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820891815.7U CN208579423U (en) | 2018-06-08 | 2018-06-08 | A kind of efficient heat exchange phase-change heat-exchanger, deformation fin and phase-change accumulation energy case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820891815.7U CN208579423U (en) | 2018-06-08 | 2018-06-08 | A kind of efficient heat exchange phase-change heat-exchanger, deformation fin and phase-change accumulation energy case |
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| Publication Number | Publication Date |
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| CN208579423U true CN208579423U (en) | 2019-03-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820891815.7U Active CN208579423U (en) | 2018-06-08 | 2018-06-08 | A kind of efficient heat exchange phase-change heat-exchanger, deformation fin and phase-change accumulation energy case |
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