CN105276844B - A kind of plate-fin solar heat-preservation system - Google Patents
A kind of plate-fin solar heat-preservation system Download PDFInfo
- Publication number
- CN105276844B CN105276844B CN201510723262.5A CN201510723262A CN105276844B CN 105276844 B CN105276844 B CN 105276844B CN 201510723262 A CN201510723262 A CN 201510723262A CN 105276844 B CN105276844 B CN 105276844B
- Authority
- CN
- China
- Prior art keywords
- heat
- fin
- sloping portion
- dissipating pipe
- hot water
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention provides a kind of plate-fin solar heat-preservation system, including heat collector, hot water storage tank and heat-dissipating pipe, heat-dissipating pipe is arranged in hot water storage tank, and the hot water of the heat collector heating passes through heat-dissipating pipe, and hot water storage tank is transferred heat to by heat-dissipating pipe；The heat-dissipating pipe is plate-fin heat-dissipating pipe, the plate-fin heat-dissipating pipe includes flat tube and the fin that is arranged in flat tube, the flat tube includes tube wall parallel to each other, the fin is arranged between tube wall, the fin includes the sloping portion for favouring tube wall, prominent point is processed by impact style on sloping portion, to make the fluid of sloping portion both sides pass through the hole connection that impact style is formed on sloping portion；The prominent point extends outwardly from sloping portion along hot water flow direction.The plate wing cooling fin of the prominent point of punching press is applied to solar heat-preservation system by the present invention, solves the problems, such as that the heat exchange efficiency containing on-condensible gas is low, it will be apparent that improve heat exchange efficiency, greatly saved the energy.
Description
Technical field
The invention belongs to field of solar energy more particularly to a kind of solar energy systems of accumulation of heat.
Background technology
With the rapid development of modern social economy, the mankind are increasing to the demand of the energy.However coal, oil, day
The traditional energies storage levels such as right gas constantly reduce, are increasingly in short supply, cause rising steadily for price, while conventional fossil fuel causes
Problem of environmental pollution it is also further serious, these all limit the raising of the development and human life quality of society significantly.The energy
Problem has become most one of distinct issues of contemporary world.Thus seek the new energy, especially free of contamination cleaning energy
Source has become the hot spot of present people's research.
Solar energy is a kind of inexhaustible clean energy resource, and stock number is huge, and earth surface is received every year
Solar radiant energy total amount be 1 × 1018KWh is more than 10,000 times of the world year consumption gross energy.Countries in the world are all too
It is positive can using important one as new energy development, the Chinese government exists《The government work report》Also it clearly proposes to accumulate already
New energy is developed in pole, and wherein the utilization of solar energy is especially in occupation of prominent position.However since solar radiation arrival is tellurian
Energy density is small（About one kilowatt every square metre）, and be discontinuous again, this brings certain tired to large-scale utilization
It is difficult.Therefore, it in order to utilize solar energy extensively, not only to solve the problems, such as technical, but also economically must be able to conventional energy
Source mutually competes.
Under normal circumstances, the water of heat collector heating needs to pass to other fluids by way of heat exchange, or carries out
Storage.But the water circulation system of solar thermal collection system is a closed system, recirculated water circulating-heating, but recycling
It will produce some on-condensible gases in water cycle process, in addition, in the case that sometimes sunray is strong, the water meeting in heat collector
Carbonated drink hot water is formed, therefore in the case where the water of heating is exchanged heat, because there are on-condensible gas or because forming carbonated drink
Hot water, so as to cause the reduction of the coefficient of heat transfer so that solar energy is unable to fully utilize.
In view of the above-mentioned problems, the present invention provides a kind of new solar heat-preservation system, to solve solar water with
Its fluid exchanged heat in the case of the low problem of the coefficient of heat transfer.
Invention content
The present invention provides a kind of new solar heat-preservation systems, to solve the technical issues of front occurs.
To achieve the goals above, technical scheme is as follows：
A kind of solar heat-preservation system, including heat collector, hot water storage tank and heat-dissipating pipe, heat-dissipating pipe are arranged in hot water storage tank
In, the hot water of the heat collector heating passes through heat-dissipating pipe, and hot water storage tank is transferred heat to by heat-dissipating pipe；It is characterized in that,
The heat-dissipating pipe is plate-fin heat-dissipating pipe, and the plate-fin heat-dissipating pipe includes flat tube and the fin that is arranged in flat tube, described flat
Pipe includes tube wall parallel to each other, and between tube wall, the fin includes the sloping portion for favouring tube wall for the fin setting,
Prominent point is processed by impact style on sloping portion, to make the fluid of sloping portion both sides pass through punching press side on sloping portion
The hole connection that formula is formed；The prominent point extends outwardly from sloping portion along hot water flow direction.
Preferably, the fin includes horizontal component and sloping portion, the horizontal component with tube walls parallel and with
Tube wall sticks together, and the sloping portion is connect with horizontal component.
Preferably, the prominent point is isosceles triangle, the bottom edge of the isosceles triangle is arranged on sloping portion, phase
The distance of adjacent tube wall is H, and the length on isosceles triangle bottom edge is h, and the distance of adjacent sloping portion is w, isosceles triangle
Apex angle be b, the angle of the extending direction of the prominent point and the flow direction of hot water is a, sharp between sloping portion and tube wall
The angle at angle is c, meets following formula：
c6*h/H=c1*Ln(L*sin(a)/（w*sin(c))+c2,
sin(b/2)=c3+c4*sin(a)-c5*(sin(a))2,
Wherein Ln is logarithmic function, and c1, c2, c3, c4, c5 are coefficients,
0.24<c1<0.25, 0.68<c2<0.70,0.87<c3<0.88,0.68< c4<0.70,1.14<c5<1.15,
7.0<c6<7.5；
19°<a<71 °, 55 °<b<165°,90°<c<70°；
10mm<w<15mm, 6mm<H<14mm；
0.19<L*sin(a)/w<0.41, 0.29<7*h/H<0.47；
H is with opposite the distance between the face of adjacent tube wall, and W is with the opposite face of adjacent sloping portion along tube wall
Distance on direction, L be isosceles triangle vertex to bottom edge midpoint distance.
Preferably, c1=0.245, c2=0.694,
C3=0.873, c4=0.691, c5=1.1454, c6=7.11.
Preferably, the angle of the flow direction of the extending direction and hot water of the prominent point is a, the same rake sets up separately
Multiple prominent points are set, along the flow direction of hot water, the angle a is smaller and smaller.
Preferably, multiple prominent points are arranged in the same sloping portion, multiple prominent points are staggeredly from two epitaxial lateral overgrowth of sloping portion
It stretches.
Preferably, the length that the prominent point extends is L, multiple prominent points are arranged in the same sloping portion, along hot water
Flow direction, the length L are smaller and smaller.
Preferably, the prominent point is isosceles triangle, the bottom edge of the isosceles triangle is arranged on sloping portion, makees
To be preferred, bottom edge is identical as the angle of inclination of sloping portion, and the apex angle of the isosceles triangle is b, and the same rake sets up separately
Multiple prominent points are set, along the flow direction of hot water, the apex angle b is increasing.
Preferably, the prominent point is isosceles triangle, the bottom edge of the isosceles triangle is arranged on sloping portion, makees
To be preferred, bottom edge is identical as the angle of inclination of sloping portion, and the bottom edge of the isosceles triangle is S1, and the same rake sets up separately
Multiple prominent points are set, along the flow direction of hot water, the S1 is smaller and smaller.
Compared with prior art, plate heat exchanger of the invention and its heat exchange tube wall have the following advantages：
1）The plate wing cooling fin of the prominent point of punching press is applied to solar heat-preservation system by the present invention, is solved containing fixed gas
The low problem of the heat exchange efficiency of body, has greatly saved the energy, has overcome the low problem of solar heat-exchange system effectiveness, it will be apparent that
Improve heat exchange efficiency.
2）On the one hand laminar sublayer can be destroyed, on the other hand compared with " punching " fin, not because heat-transfer surface is lost in punching
Product, and " point " and " hole " can disturb fluid on different height respectively, strengthen different thermal resistance links；
3）The aperture that punching press " prominent point " is formed, by the influence of " prominent point " downstream pressure field, it can be achieved that fin media of both sides
Pressure and mass exchange, the stability of viscous sublayer and liquid film is damaged, enhanced heat exchange；
4）For the hot water containing on-condensible gas, it can be realized by " prominent point " and expand gas-liquid interface and gas phase boundary
With the contact area of cooling wall and enhance disturbance；
5）Through a large number of experiments, it is determined that the structure size of best plate-fin heat-dissipating pipe；
6）Distance by designing adjacent tube wall is H, and the length on isosceles triangle bottom edge is h, adjacent sloping portion
Distance be w, the apex angle of isosceles triangle is b, and the angle of the extending direction of the prominent point and the flow direction of hot water is a etc.
Parameter improves heat exchange efficiency or reduces Fluid pressure along the variation of fluid flow direction.
Description of the drawings
Fig. 1 is the structural schematic diagram of solar heat-preservation system of the present invention；
Fig. 2 is the improved structure schematic diagram of solar heat-preservation system of the present invention；
Fig. 3 is the improved structure schematic diagram of solar heat-preservation system of the present invention；
Fig. 4 is the structural schematic diagram in a plate-fin heat-dissipating pipe cross section of the invention；
Fig. 5 is the schematic diagram of the prominent sharp structures slope part planar of present invention setting；
Fig. 6 is another schematic diagram of the prominent sharp structures slope part planar of present invention setting；
Fig. 7 is the prominent sharp structural schematic diagram of the triangle of the present invention；
Fig. 8 is the section structural schematic diagram in the prominent sharp runner of triangle of the present invention；
The structural schematic diagram that the prominent point of Fig. 9 present invention extends to sloping portion both sides；
Figure 10 is the structural schematic diagram in a plate-fin heat-dissipating pipe cross section of the invention.
Reference numeral is as follows：
1 plate wing cooling fin, 2 fluid channels, 3 tube walls, 4 sloping portions, 5 horizontal components, 6 prominent points, 7 fins, 8 heat collectors, 9
Circulating pump, 10 hot water storage tanks, 11 seal members.
Specific implementation mode
The specific implementation mode of the present invention is described in detail below in conjunction with the accompanying drawings.
Herein, if without specified otherwise, it is related to formula, "/" indicates that division, "×", " * " indicate multiplication.
As shown in Figure 1, a kind of solar heat-preservation system, including heat collector 8, hot water storage tank 10 and heat-dissipating pipe 1, heat-dissipating pipe 1
It is arranged in hot water storage tank 10, the hot water that the heat collector 8 heats passes through heat-dissipating pipe 1, and storage is transferred heat to by heat-dissipating pipe 1
Water in boiler 10, the hot water circuit after heat exchange are returned in heat collector 8 and are heated.It is preferred that being recycled to collection by circulating pump 9
In hot device 8.
Fig. 2 illustrates the improved embodiment of Fig. 1.As shown in Fig. 2, the heat-dissipating pipe is the multiple of parallel connection.By setting
The heat-dissipating pipe for setting multiple parallel connections, can increase heat exchange area.
Fig. 3 illustrates the improved embodiment of Fig. 1.As shown in figure 3, the heat-dissipating pipe is concatenated multiple.By setting
Multiple concatenated heat-dissipating pipes are set, heat exchange area can be increased.
As shown in figure 4, the heat-dissipating pipe is plate-fin heat-dissipating pipe, the heat-dissipating pipe includes flat tube and is arranged in flat tube
In fin 7, the flat tube includes tube wall 3 parallel to each other, and fluid channel 2 is formed between the adjacent tube wall 3, described
Fin 7 is set between adjacent tube wall 3.The fin 7 include with 3 inclined sloping portion 4 of tube wall, the sloping portion is mutual
It is parallel.Prominent point 6 is processed by impact style on sloping portion 4, to make the fluid of 4 both sides of sloping portion pass through sloping portion
It is connected to by the hole that impact style is formed on 4；Described prominent sharp 6 extend outwardly from sloping portion 4.
The flat tube can be integrated, and can also be to be existed by upper and lower tube wall and setting as shown in Figure 10
Seal member fission composition between upper and lower tube wall, the seal member 11 are arranged in the left and right sides of Fig. 4.
Because sloping portion 4 is parallel to each other, therefore constitutes parallel four side between adjacent sloping portion 4 and upper and lower tube wall
Shape channel.
By the way that prominent point 6 is arranged, have the following advantages：
1）On the one hand laminar sublayer can be destroyed, does not lose heat exchange area, and " point " and " hole " can be respectively not
With disturbing fluid, enhanced heat exchange in height；
2）Punching press dash forward it is pointed at aperture, by prominent sharp downstream pressure field influence, it can be achieved that fin media of both sides pressure
Power and mass exchange damage the stability of viscous sublayer and liquid film, enhanced heat exchange.
3）For the hot water containing on-condensible gas or two-phase hot water, can be realized by " prominent point " expand gas-liquid interface with
And gas phase boundary and the contact area of cooling wall and enhance disturbance.
Above-mentioned measure is taken in plate-fin heat-dissipating pipe, can greatly improve the heat exchange efficiency of hot water.With it is normal
Hot water heat exchange is compared, and the heat exchange efficiency of 15-25% can be improved.
Preferably, described prominent sharp 6 to be formed by angle with the flow direction of hot water be acute angle.
Preferably, as shown in figure 4, the fin 7 is apsacline fin, the fin 7 includes horizontal component 5 and inclines
Inclined portion point 4, the horizontal component 5 is parallel with tube wall 3 and is sticked together with tube wall 3, the sloping portion 4 and horizontal component 5
Connection.
The flow direction of hot water is from left to right in Fig. 5.But left and right herein only illustrates flowing of the hot water along prominent point
Direction is not offered as practical certain left and right flowing.
As shown in figure 8, the angle of the flow direction of prominent sharp 6 extending direction and hot water is a, as shown in figure 5, along
The flow direction of hot water, the same sloping portion 4 is arranged multiple prominent sharp 6, and along the flow direction of hot water, the angle a is got over
Come bigger.
It is found through experiments that, by becoming larger for angle a, compared with angle a is identical, higher change may be implemented
The thermal efficiency can about improve 10% or so heat exchange efficiency.
Preferably, described prominent sharp 6 length extended are L, along the flow direction of hot water, the same sloping portion 4 is set
Multiple prominent sharp 6 are set, along the flow direction of hot water, the length L is increasing.Be found through experiments that, by length L by
Gradual change is big, and compared with length L is identical, higher heat exchange efficiency may be implemented, and can about improve 9% or so heat exchange effect
Rate.
Preferably, along the flow direction of hot water, the amplitude that length L becomes larger is smaller and smaller.It is found through experiments that, length
The amplitude of L to become larger is smaller and smaller, it is ensured that in the case of heat exchange efficiency, further decreases flow resistance, can about drop
Low 5% or so flow resistance.
Preferably, described prominent sharp 6 be isosceles triangle, the bottom edge of the isosceles triangle is arranged on sloping portion 4,
Preferably, bottom edge is identical as the angle of inclination of sloping portion, the apex angle of the isosceles triangle is b, along the flowing of hot water
Direction, the same sloping portion 4 are arranged multiple prominent sharp 6, along the flow direction of hot water, the case where length remains unchanged on bottom edge
Under, the prominent pinnacle angle b is smaller and smaller.It is found through experiments that, by tapering into for the pinnacle angle b that dashes forward, with the complete phases of apex angle b
Compared with, higher heat exchange efficiency may be implemented, can about improve 8% or so heat exchange efficiency.
Preferably, along the flow direction of hot water, the amplitude that apex angle b becomes smaller is smaller and smaller.It is found through experiments that, apex angle
The amplitude that b becomes smaller is smaller and smaller, it is ensured that in the case of heat exchange efficiency, further decreases flow resistance, can about reduce
4% or so flow resistance.
Preferably, described prominent sharp 6 be isosceles triangle, the bottom edge of the isosceles triangle is arranged on sloping portion,
Preferably, bottom edge is identical as the angle of inclination of sloping portion, the bottom edge length of the isosceles triangle is h, along hot water
Flow direction, the same sloping portion 4 is arranged multiple prominent sharp 6, and along the flow direction of hot water, the same sloping portion 4 is arranged
Multiple prominent points, in the case where apex angle remains unchanged, along the flow direction of hot water, the h is increasing.It is sent out by testing
It is existing, by becoming larger for h, compared with h is identical, higher heat exchange efficiency may be implemented, can about improve 7% or so
Heat exchange efficiency.
Preferably, along the flow direction of hot water, the amplitude that h becomes larger is smaller and smaller.It is found through experiments that, what h became larger
Amplitude is smaller and smaller, it is ensured that in the case of heat exchange efficiency, further decreases flow resistance, can about reduce by 5% or so
Flow resistance.
Preferably, along the flow direction of fluid, same sloping portion setting multiple rows of prominent sharp 6, as it can be seen in figures 5 and 6, often
Row dashes forward the distance between point as S2, and along the flow direction of hot water, the S2 is increasing.Why so set, main
Purpose is becoming larger by S2, realizes in the case where ensureing heat exchange efficiency, further decreases flow resistance.It is sent out by testing
Existing, flow resistance reduces by 10% or so.
It is to calculate distance that the S2, which is with the bottom edge of the prominent point of adjacent row,.
Preferably, as shown in fig. 6, multiple rows of prominent sharp 6 be shifted structure.Hot water is to flow from top to bottom in Fig. 6.But herein
Up and down only illustrate that hot water along the flow direction of prominent point, is not offered as reality and centainly flows up and down.
It finds in an experiment, the distance of adjacent tube wall 3 cannot be excessive, and crossing conference leads to the reduction of heat exchange efficiency, too small meeting
Cause flow resistance excessive, similarly, for the bottom edge length of isosceles triangle, apex angle, prominent point, fin sloping portion distance with
The angle of fluid flow direction all cannot the excessive either too small excessive or too small reduction or flowing that can all lead to heat exchange efficiency
Resistance becomes larger, therefore in the distance of adjacent tube wall 3, the bottom edge length of isosceles triangle, apex angle, prominent point, fin sloping portion
Meet the size relationship of an optimization between the angle of fluid flow direction.
Therefore, the present invention is the thousands of secondary numerical simulations and test data of the heat exchanger by multiple and different sizes,
In the case of meeting industrial requirements pressure-bearing（10MPa or less）, in the case where realizing maximum heat exchange amount, the best heat exchange that sums up
The dimensionally-optimised relationship of tube wall.
The distance of adjacent tube wall is H, and the length on isosceles triangle bottom edge is h, and the distance of adjacent sloping portion is w,
The angle of acute angle between sloping portion and tube wall is c, meets following formula：
c6*h/H=c1*Ln(L*sin(a)/（w*sin(c))+c2,
sin(b/2)=c3+c4*sin(a)-c5*(sin(a))2,
Wherein Ln is logarithmic function, and c1, c2, c3, c4, c5 are coefficients,
0.24<c1<0.25, 0.68<c2<0.70,0.87<c3<0.88,0.68< c4<0.70,1.14<c5<1.15,
7.0<c6<7.5；
19°<a<71 °, 55 °<b<165°,90°<c<70°；
10mm<w<15mm, 6mm<H<14mm；
0.19<L*sin(a)/w<0.41, 0.29<7*h/H<0.47；
H is with opposite the distance between the face of adjacent tube wall, and W is with the opposite face of adjacent sloping portion along tube wall
Distance on direction, L be isosceles triangle vertex to bottom edge midpoint distance.
Preferably, c1=0.245, c2=0.694,
C3=0.873, c4=0.691, c5=1.1454, c6=7.11.
Preferably, 85 °<c<80°.
Preferably, with the increase of angle c, c6 is smaller and smaller.
By the best geometric scale of " the prominent point " that goes out of above-mentioned formula, heat exchange efficiency can be improved, while can be real
Now only to viscous sublayer or comprising liquid film and to including the reinforcing of gas phase boundary different scale internal thermal resistance, avoiding measures mistake
Degree, causes unnecessary drag losses.
Preferably, the bottom edge of the adjacent prominent point of the same row is all on one wire, the adjacent prominent point of same row
Distance is S1, the 3.5 × h<S1<5 × h, wherein S1 be with two neighboring isosceles triangle dash forward point bottom edge midpoint away from
From.
Preferably, the bottom edge of the isosceles triangle of the prominent point of adjacent row is parallel to each other, the vertex of isosceles triangle is on earth
The distance at side midpoint is L, and the distance S2 of adjacent row is 4.2*L<S2<7.2*L.Preferably S2=5.3*L
When the bottom edge difference of the isosceles triangle of adjacent row, the weighted average on two bottom edges is taken to calculate.
Preferably, the angle of the isosceles triangle of same row is identical with bottom edge.I.e. shape is identical, is equal
Shape.
The formula of front is also still applicable in the different prominent point of front and rear row size.
For the specific size parameter that do not mention, it is designed according to normal heat exchanger.
Preferably, as shown in figure 9, be arranged multiple prominent sharp 6 on sloping portion, not homonymy of the prominent point to sloping portion
Extend
Preferably, multiple rows of prominent point is arranged in the same sloping portion, the prominent point of an at least row arranges prominent point to rake with other
The extension side divided is different.
Preferably, the adjacent prominent point of often row extends to the not homonymy of sloping portion.
By so set, can make fluid in the channel of sloping portion both sides replace heat exchanging tampering, further carry
High heat exchange efficiency.Compared in the same side, 8% or so can be improved.
Preferably, cascaded structure as shown in Figure 3, the average length L of the prominent point in different plate wing heat-dissipating pipes 1 is not
Together.Along the flow direction of hot water, average length L constantly increases.Experiment is found, by so set, can improve about
10% heat exchange efficiency.
Average length L is the weighted average of all prominent sharp length.
Along the flow direction of hot water, the increased amplitude of average length L is increasing.Experiment find, by so set,
About 12% heat exchange efficiency can be improved.
Preferably, highest length L is 1.2-1.3 times of minimum length L.
Preferably, fin is arranged outside the heat-dissipating pipe.
Preferably, along the flow direction of hot water, outside fin height constantly increases, and the increased amplitude of height is more next
It is bigger.By increasing fin height, to increase the heat exchange area of fin.Experiment is found, by so set, and fin height
It is identical to compare, about 5% heat exchange efficiency can be improved.
Although the present invention has been disclosed in the preferred embodiments as above, present invention is not limited to this.Any art technology
Personnel can make various changes or modifications, therefore protection scope of the present invention is answered without departing from the spirit and scope of the present invention
When being subject to claim limited range.
Claims (3)
1. a kind of plate-fin solar heat-preservation system, including heat collector, hot water storage tank and heat-dissipating pipe, heat-dissipating pipe is arranged in accumulation of heat water
In case, the hot water of the heat collector heating passes through heat-dissipating pipe, and hot water storage tank is transferred heat to by heat-dissipating pipe；Its feature exists
In the heat-dissipating pipe is plate-fin heat-dissipating pipe, and the plate-fin heat-dissipating pipe includes flat tube and the fin that is arranged in flat tube, described
Flat tube includes tube wall parallel to each other, and the fin is arranged between tube wall, and the fin includes the rake for favouring tube wall
Point, prominent point is processed by impact style on sloping portion, is rushed to make the fluid of sloping portion both sides pass through on sloping portion
The hole connection that pressure mode is formed；The prominent point extends outwardly from sloping portion, and fin, the wing are arranged outside plate-fin heat-dissipating pipe
Piece includes horizontal component, and the horizontal component is sticked together with tube walls parallel and with tube wall, the sloping portion and horizontal part
Divide connection；The prominent point is isosceles triangle, and the bottom edge of the isosceles triangle is arranged on sloping portion, pipe parallel to each other
Distance between wall is H, and the length on isosceles triangle bottom edge is h, and the distance of adjacent sloping portion is w, the top of isosceles triangle
Angle is b, and the angle of the extending direction of the prominent point and the flow direction of hot water is a, the acute angle between sloping portion and tube wall
Angle is c, meets following formula：
c6*h/H=c1*Ln(L*sin(a)/（w*sin(c))+c2,
sin(b/2)=c3+c4*sin(a)-c5*(sin(a))2,
Wherein Ln is logarithmic function, and c1, c2, c3, c4, c5 are coefficients,
0.24<c1<0.25, 0.68<c2<0.70,0.87<c3<0.88,0.68< c4<0.70,1.14<c5<1.15,
7.0<c6<7.5；
19°<a<71 °, 55 °<b<165°,90°<c<70°；
10mm<w<15mm, 6mm<H<14mm；
0.19<L*sin(a)/w<0.41, 0.29<7*h/H<0.47；
L be isosceles triangle vertex to bottom edge midpoint distance.
2. solar heat-preservation system as described in claim 1, which is characterized in that c1=0.245, c2=0.694,
C3=0.873, c4=0.691, c5=1.1454, c6=7.11.
3. solar heat-preservation system as described in claim 1, which is characterized in that with the increase of angle c, c6 is smaller and smaller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510723262.5A CN105276844B (en) | 2015-10-29 | 2015-10-29 | A kind of plate-fin solar heat-preservation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510723262.5A CN105276844B (en) | 2015-10-29 | 2015-10-29 | A kind of plate-fin solar heat-preservation system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105276844A CN105276844A (en) | 2016-01-27 |
| CN105276844B true CN105276844B (en) | 2018-08-17 |
Family
ID=55146307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510723262.5A Expired - Fee Related CN105276844B (en) | 2015-10-29 | 2015-10-29 | A kind of plate-fin solar heat-preservation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105276844B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2419817Y (en) * | 2000-04-07 | 2001-02-21 | 李江波 | Sun light greenhouse temperature riser |
| CN104075464A (en) * | 2014-07-17 | 2014-10-01 | 杭州金培科技有限公司 | Solar heat collector system with heat storage function |
| CN204142069U (en) * | 2014-10-08 | 2015-02-04 | 贵州晟泰铝业有限公司 | A kind of aluminum heat radiating flat tube |
| CN204460146U (en) * | 2015-01-20 | 2015-07-08 | 李泽明 | A kind of solar heat-preservation steam raising plant |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070012430A1 (en) * | 2005-07-18 | 2007-01-18 | Duke Brian E | Heat exchangers with corrugated heat exchange elements of improved strength |
-
2015
- 2015-10-29 CN CN201510723262.5A patent/CN105276844B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2419817Y (en) * | 2000-04-07 | 2001-02-21 | 李江波 | Sun light greenhouse temperature riser |
| CN104075464A (en) * | 2014-07-17 | 2014-10-01 | 杭州金培科技有限公司 | Solar heat collector system with heat storage function |
| CN204142069U (en) * | 2014-10-08 | 2015-02-04 | 贵州晟泰铝业有限公司 | A kind of aluminum heat radiating flat tube |
| CN204460146U (en) * | 2015-01-20 | 2015-07-08 | 李泽明 | A kind of solar heat-preservation steam raising plant |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105276844A (en) | 2016-01-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105387637B (en) | A kind of inner fin heat-collecting tube solar water heater | |
| Yang et al. | Mixed convective cooling of a fin in a channel | |
| Han et al. | Numerical study of thermal and flow characteristics for a fin-and-tube heat exchanger with arc winglet type vortex generators | |
| CN106091432B (en) | A kind of solar energy system of inner fin of heat dissipation pipe apex angle variation | |
| CN101922870B (en) | Dividing wall type heat exchanger | |
| CN105423789A (en) | Triangular inner-fin heat pipe | |
| CN105157253B (en) | Solar phase-change heat storage system | |
| CN107643011A (en) | A kind of D-section Zig Zag passage compact heat exchangers | |
| CN105571165B (en) | A kind of inner rib plate height Axial changes solar water heater | |
| CN105485942B (en) | A kind of solar water heater | |
| CN105276844B (en) | A kind of plate-fin solar heat-preservation system | |
| CN203259054U (en) | Tube fin heat exchanger | |
| CN105318565B (en) | A kind of solar thermal collector | |
| CN105546848B (en) | Solar water heater with collector pipe with inner fins with competitively-changed heights | |
| CN105318573B (en) | Solar water heater | |
| CN205897928U (en) | Lanced fin at tape alternation inclination | |
| CN105318585A (en) | Solar heat collection tube | |
| CN105157459B (en) | It is a kind of that the right angle plate-fin heat exchanger that bur is set is condensed for non-azeotrope multicomponent mixture | |
| CN205679109U (en) | A kind of New High-Efficient Fractal fin for plate-fin heat exchanger | |
| CN202993922U (en) | Six-tube heat exchanger | |
| CN108768292B (en) | A kind of phase transformation liquid cooling system of solar battery arrangement mode | |
| CN203240820U (en) | Flat-plate solar collector with S type heat absorber pipelines | |
| Agrawal et al. | A comprehensive review on solar absorber plate of experimental and numerical investigations | |
| CN202993919U (en) | Industrial heat exchanger | |
| CN105157465B (en) | A kind of right angle plate fin that bur is set |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180705 Address after: 241000 Zhanghe Road, hi tech Industrial Development Zone, Wuhu, Anhui 15 Applicant after: WUHU SPACEFLIGHT SPECIAL CABLE FACTORY CO., LTD. Address before: 266000 room 4, unit 4, two phase 4, Castle Peak Road, Licang, Qingdao, Shandong, 2 Applicant before: Xu Haihui |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180817 Termination date: 20181029 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |