CN207991342U - A kind of heat pipe heat accumulation heat exchanger of communicating pipe quantity variation - Google Patents
A kind of heat pipe heat accumulation heat exchanger of communicating pipe quantity variation Download PDFInfo
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- CN207991342U CN207991342U CN201820255240.XU CN201820255240U CN207991342U CN 207991342 U CN207991342 U CN 207991342U CN 201820255240 U CN201820255240 U CN 201820255240U CN 207991342 U CN207991342 U CN 207991342U
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- 238000009825 accumulation Methods 0.000 title claims abstract description 12
- 238000003860 storage Methods 0.000 claims abstract description 62
- 238000001704 evaporation Methods 0.000 claims abstract description 32
- 230000008020 evaporation Effects 0.000 claims abstract description 32
- 230000005494 condensation Effects 0.000 claims abstract description 14
- 238000009833 condensation Methods 0.000 claims abstract description 14
- 230000005484 gravity Effects 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 14
- 239000012188 paraffin wax Substances 0.000 claims description 7
- 101000838411 Homo sapiens Tubulin epsilon chain Proteins 0.000 claims description 5
- 102100028984 Tubulin epsilon chain Human genes 0.000 claims description 5
- 239000012530 fluid Substances 0.000 abstract description 33
- 238000010521 absorption reaction Methods 0.000 description 14
- 238000000034 method Methods 0.000 description 13
- 238000009826 distribution Methods 0.000 description 12
- 238000002474 experimental method Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 8
- 238000005338 heat storage Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 238000005303 weighing Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012795 verification Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000005191 phase separation Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000011232 storage material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004781 supercooling Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/10—Geothermal energy
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model provides a kind of heat pipe heat accumulation heat exchanger of communicating pipe quantity variation, including gravity assisted heat pipe, the heat pipe includes evaporation ends and condensation end, the evaporation ends are arranged in storage heater, and the storage heater is arranged in heat source, and the condensation end is arranged in the container of low-temperature receiver, the evaporation ends include multiple ends, multiple communicating pipes are set between adjacent end, from the center of storage heater to the outer wall direction of storage heater, communicating pipe quantity be continuously increased.The utility model can ensure to reach pressure equilibrium as soon as possible in fluid thermal histories by the variation of communicating pipe quantity.
Description
Technical field
The utility model is related to a kind of heat exchanger technology more particularly to a kind of heat pipe heat accumulation heat exchangers.
Background technology
Hot pipe technique is George Ge Luofo of U.S. Los Alamos (Los Alamos) National Laboratory in 1963
One kind of (George Grover) utility model is known as the heat transfer element of " heat pipe ", it takes full advantage of heat-conduction principle and phase
The heat of thermal objects, is transmitted to outside heat source rapidly by the quick thermal transport property for becoming medium through heat pipe, and the capacity of heat transmission is super
Cross the capacity of heat transmission of any known metal.
The industries such as aerospace, military project were widely used in before hot pipe technique, since being introduced into radiator manufacturing so that
People change the mentality of designing of traditional heat sinks, have broken away from and simple have obtained the list of more preferable heat dissipation effect by high air quantity motor
One radiating mode opens heat dissipation industry new world using hot pipe technique so that radiator obtains satisfied heat transfer effect.At present
Heat pipe is widely used in various heat transmission equipments, including the UTILIZATION OF VESIDUAL HEAT IN etc. of nuclear power field, such as nuclear power.
In the prior art, the shape of heat pipe affects the endotherm area of evaporation ends, therefore general evaporation ends heat absorption range ratio
It is smaller, it sometimes needs that multiple heat pipes are arranged in heat source to meet heat absorption demand；And more evaporation ends there are when, it is each
Evaporation ends will produce the non-uniform phenomenon of heat absorption because the position in heat source is different.
It is essentially all using gravity assisted heat pipe, and because of condensation end of heat pipe evaporation ends in current heat tube heat accumulator
Caliber is identical, causes heating surface area small, can not preferably expand heat exchange area, therefore in view of the above-mentioned problems, the utility model exists
It is improved on the basis of the utility model of front, provides a kind of new heat tube heat accumulator, by the variation of heat storage capacity, into
One step improves heat transfer effect, makes full use of heat source, reduces energy consumption.
Utility model content
The utility model provides a kind of new heat pipe structure, and the pressure of balanced evaporation ends is energy saving.
To achieve the goals above, the technical solution of the utility model is as follows：
A kind of heat pipe heat accumulation heat exchanger of communicating pipe quantity variation, including gravity assisted heat pipe, the heat pipe include evaporation ends and
Condensation end, the evaporation ends are arranged in storage heater, and the storage heater is arranged in heat source, and the condensation end is arranged in low-temperature receiver
In container, the evaporation ends include multiple ends, and multiple communicating pipes are arranged between adjacent end, from the center of storage heater to storage
The outer wall direction of hot device, communicating pipe quantity be continuously increased.
Preferably, from the center of storage heater to the outer wall direction of storage heater, communicating pipe the ever-increasing amplitude of quantity get over
Come bigger.
Preferably, the heat source is geothermal energy.
Preferably, the fusing point of heat-storing material is 60-80 degrees Celsius in the storage heater.
Preferably, the heat-storing material in the storage heater is paraffin.
Preferably, the cross-sectional area of the storage heater is 10-26 times of vessel cross-sectional area.
Preferably, the heat pipe includes vertical portion, horizontal component and VERTICAL TUBE, the wherein bottom end connection of vertical portion
Horizontal component, direction of the horizontal component from the bottom end of vertical portion away from vertical portion extend, the horizontal component
Lower part is connected to multiple VERTICAL TUBEs, and wherein VERTICAL TUBE is the evaporation ends of heat pipe, and vertical portion is the condensation end of heat pipe.
Preferably, the horizontal component is flat tube structure, VERTICAL TUBE is circular tube structure.
Preferably, horizontal component is square structure.
Preferably, the VERTICAL TUBE is multiple rows of, wherein adjacent two rows are to be staggered in arrangement.
Preferably, the center of circle of VERTICAL TUBE and two closed on the VERTICAL TUBE center of circle of adjacent row constitute isosceles triangle, institute
State VERTICAL TUBE the center of circle be located at isosceles triangle apex angle point position.
Preferably, the outer diameter of VERTICAL TUBE is d, the distance between adjacent VERTICAL TUBE center of circle of same row is L, VERTICAL TUBE
The apex angle that 3 center of circle and two closed on the VERTICAL TUBE center of circle of adjacent row constitute isosceles triangle is A, then meets claimed below：
Sin (A)=a-b*Ln (d/L), wherein Ln are logarithmic functions, and a, b are parameters, meet following require：
0.095<a<0.105,0.29<b<0.31；0.1<d/L<0.7.
Preferably, tapering into d/L, a is increasing, and b is increasing.
Preferably, 15 °<A<80°.
Preferably, 20 °<A<40°.
Preferably, 0.2<d/L<0.5.
Compared with prior art, the utility model has the following advantages：
1) the utility model is by the variation of communicating pipe quantity, be be in order to which the communicating pipes of more connection areas are arranged,
Because closer to the outer wall direction of storage heater 4, amount of stored heat is most, and fluid is heated also more, and the steam pressure in VERTICAL TUBE 3 is also got over
Greatly, therefore by above-mentioned setting, can ensure to reach pressure equilibrium as soon as possible in fluid thermal histories.
2) the utility model is more than the cross-sectional area of the container where low-temperature receiver by the cross-sectional area of storage heater, can be into one
The heat exchange area of the increase storage heater and heat source of step, and more heats can be stored, further meet the requirement of heating.
3) structure of the evaporation ends of the utility model opposite heat tube is improved, and the evaporation ends of heat pipe is extended to farther
Direction, in the case where not changing the condensation end volume of heat pipe so that the endotherm areas of the evaporation ends of heat pipe increases, in this way can be with
The heat absorption range for expanding heat pipe, can absorb the heat of heat source distalmost end.Heat pipe evaporation ends in compared with the existing technology and cold
Solidifying end is consistent size, can improve 40% or more heat exchange efficiency.The volume and floor space for reducing heat exchanger simultaneously, make
It obtains compact-sized.
4) communicating pipe is arranged in adjacent evaporation ends in the utility model, can lead to pressure not in the heated difference of VERTICAL TUBE
With in the case of, the fluid in evaporation ends that pressure can be made big quickly flows to the small evaporation ends of pressure, to keep whole
Body pressure is balanced, avoids hot-spot or supercooling.
5) research of a large amount of numerical simulation and experiment has been carried out, distributed architecture of the opposite heat tube in storage heater has carried out most
Excellent structure, and the best relative formula that heat pipe is distributed is obtained by research, the distribution of heat pipe is further increased, reaches best
Heat absorption reduces cost.
6) communicating pipe is arranged in the utility model between adjacent heat pipe, realizes that the pressure between heat pipe is balanced, heat exchange is equal
Weighing apparatus.
Description of the drawings
Fig. 1 is the utility model heat pipe structure schematic diagram.
Fig. 2 is schematic diagrames of the Fig. 1 from bottom.
Fig. 3 is the heat pipe partial structural diagram that communicating pipe is arranged in the utility model.
Fig. 4 is the utility model heat pipe specific implementation mode structural schematic diagram.
The structural schematic diagram of communicating pipe is set between the utility model heat pipe that Fig. 5 is Fig. 4.
Fig. 6 is the partial enlargement mark schematic diagram of Fig. 2.
In figure：8 communicating pipe of 1 vertical portion, 2 horizontal component, 3 VERTICAL TUBE, 4 storage heater, 5 low-temperature receiver, 7 communicating pipe of 6 heat source
9 containers
Specific implementation mode
Specific embodiment of the present utility model 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.
Specific embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings.
The bottom end connection of a kind of heat pipe, including vertical portion 1, horizontal component 2 and VERTICAL TUBE 3, wherein vertical portion 1 is horizontal
Part 2, direction of the horizontal component 2 from the bottom end of vertical portion 1 away from vertical portion 1 extend, the horizontal component 2
Lower part is connected to multiple VERTICAL TUBEs 3, and wherein VERTICAL TUBE 3 is the evaporation ends of heat pipe, and vertical portion 1 is the condensation end of heat pipe.
The utility model heat pipe absorbs heat from heat source in operation, by VERTICAL TUBE 3, then the stream in VERTICAL TUBE 3
Body is evaporated, and vertical portion is entered by horizontal component, then rejects heat to low-temperature receiver in vertical portion, fluid carries out
Condensation, VERTICAL TUBE 3 is entered back by the effect of gravity.
The structure of the evaporation ends by the way that heat pipe is arranged of the utility model opposite heat tube is improved, by the evaporation ends of heat pipe
Farther direction is extended to, in the case where not changing the condensation end volume of heat pipe so that the endotherm area of the evaporation ends of heat pipe
Increase, the heat absorption range of heat pipe can be expanded in this way, the heat of heat source distalmost end can be absorbed.Heat in compared with the existing technology
Pipe evaporation ends and condensation end are consistent size, can improve 45% or more heat exchange efficiency.The volume of condensation end is reduced simultaneously
And floor space so that compact-sized.
In addition, the utility model is used as the evaporation ends of heat pipe by the way that multiple VERTICAL TUBEs 3 are arranged so that each VERTICAL TUBE 3 is made
The absorption of heat is added for independent endothermic tube one by one, also increases the endotherm area of integral heat pipe evaporation ends.
Preferably, the heat source can be soil or boiler exhaust gas etc..
Preferably, the low-temperature receiver is water or air.
Preferably, the horizontal component 2 is flat tube structure, VERTICAL TUBE 3 is circular tube structure.By the way that horizontal component is arranged
For flat tube structure, the distribution of VERTICAL TUBE 3 can be increased, further increase the absorption of heat.
Further preferably, horizontal component 2 is square structure.
Preferably, as shown in Fig. 2, the VERTICAL TUBE 3 is multiple rows of, wherein adjacent two rows are to be staggered in arrangement.Pass through mistake
Row arrangement, can further increase the caloric receptivity of heat pipe.
Preferably, VERTICAL TUBE 3 is located at the extended line of the center line of the center of circle connecting line segment of the adjacent upright pipe 3 of adjacent row
On.I.e. two closed on VERTICAL TUBE, 3 center of circle in the center of circle of VERTICAL TUBE 3 and adjacent row constitutes isosceles triangle, the VERTICAL TUBE
The center of circle is located at the position of the point of isosceles triangle apex angle.
Preferably, as shown in figure 3, communicating pipe 8 is arranged between at least two adjacent VERTICAL TUBEs 3.It finds under study for action,
During vertical section is absorbed heat, it may appear that the absorption heat of the endothermic tube of different location is different, leads to the pressure between VERTICAL TUBE 3
Power or temperature are different, straightened portion pipe 3 can be caused to be heated so excessively high, cause the lost of life, once a VERTICAL TUBE 3 occurs
Problem may cause entire heat pipe the problem of can not using occur.The utility model is by largely studying, adjacent vertical
Communicating pipe 8 is arranged in pipe, can VERTICAL TUBE is heated different lead to pressure difference in the case of, can make big vertical of pressure
Fluid in pipe 3 quickly flows to the small VERTICAL TUBE 3 of pressure, to keep integral pressure balanced, avoids hot-spot or mistake
It is cold.
Preferably, from 3 lower part of VERTICAL TUBE to 3 top of VERTICAL TUBE, are set between adjacent VERTICAL TUBE 3 multiple communicating pipes 8.
By the way that multiple communicating pipes are arranged, fluid continuous counterpressure in evaporation process of absorbing heat is enabled to, ensures entire VERTICAL TUBE
Interior pressure is balanced.
Preferably, from 3 lower part of VERTICAL TUBE to 3 top of VERTICAL TUBE, constantly reduce the distance between adjacent communicating pipe 8.This
Purpose is in order to which more communicating pipes are arranged, because of flowing up with fluid, fluid is constantly heated, as fluid is continuous
It is heated, it is heated more and more uneven in different thermal-collecting tubes, therefore by above-mentioned setting, can ensure in process fluid flow
In reach as soon as possible pressure equilibrium.
Preferably, from 3 lower part of VERTICAL TUBE to 3 top of VERTICAL TUBE, the distance between adjacent communicating pipe ever-reduced width
It spends increasing.It is found through experiments that, above-mentioned setting, can ensure that more excellent in process fluid flow to reach pressure equal faster
Weighing apparatus.This is also the best mode of communicating got by largely studying pressure changes in distribution rule.
Preferably, from 3 lower part of VERTICAL TUBE to 3 top of VERTICAL TUBE, the diameter of communicating pipe 8 is continuously increased.This purpose be for
Setting ensures the connection area of bigger, because of flowing up with fluid, fluid is constantly heated, as fluid is continuous
It is heated, it is heated more and more uneven in different thermal-collecting tubes, therefore by above-mentioned setting, can ensure in process fluid flow
Reach pressure equilibrium as soon as possible.
Preferably, from 3 lower part of VERTICAL TUBE to 3 top of VERTICAL TUBE, the ever-increasing amplitude of diameter of communicating pipe 8 is increasingly
Greatly.Be found through experiments that, above-mentioned setting, can ensure in process fluid flow it is more excellent faster reach pressure equilibrium.This
It is the best mode of communicating got by largely studying pressure changes in distribution rule.
Fig. 4 illustrates a kind of heat pipe and utilizes system, preferably, as shown in figure 4, the VERTICAL TUBE 3 of heat pipe is arranged in accumulation of heat
In device 4.The storage heater 4 is arranged in heat source.The heat source can be geothermal energy.
Preferably, the fusing point of heat-storing material is 60-80 degrees Celsius in the storage heater 4, preferably 65 degrees Celsius.
Preferably, the heat-storing material in the storage heater 4 is paraffin.
The utility model can be got up the heat storage in heat source 6, and because storage heater by the way that storage heater 4 is arranged
Hot melt it is bigger, therefore more heats can be stored, therefore heat pipe can more fully utilize the heat of dry heat source 6,
And because of setting storage heater, storage heater and 6 contact area bigger of heat source, and can greatly reduce heat pipe and heat source 6 it
Between thermal contact resistance, easy for installation, endothermic effect will be much better than heat pipe and individually be placed in heat source 6.Therefore it is stored by being arranged
Hot device can greatly improve the heat absorption efficiency of heat pipe.It is found through experiments that, by the way that storage heater is arranged, can improve 15-20%'s
The efficiency of heating surface can further save the energy.
Preferably, the heat source is the geothermal energy of xeothermic rock stratum, the low-temperature receiver is water, and heat pipe is used for the exploitation of shale gas
Middle heating water generates steam, introduces steam into rammell to carry out the exploitation of shale gas.
Preferably, the cross section of the storage heater 4 is square structure, the cross-sectional area of the storage heater 4 is more than low-temperature receiver
The cross-sectional area of the container 9 at place.It is more than the cross-sectional area of the container 9 where low-temperature receiver by the cross-sectional area of storage heater 4, it can be with
It is further to increase the heat exchange area of storage heater and heat source 6, and more heats can be stored, further meet wanting for heating
It asks.
Preferably, the cross-sectional area of the storage heater 4 and container 9 is square structure.The length of side of storage heater 4, which is more than, to be held
The length of side of device 9.
Preferably, the cross-sectional area of the storage heater 4 is 10-26 times of 9 cross-sectional area of container, preferably 18 times.
Preferably, from the center of storage heater 4 to the direction of the outer wall of storage heater, the storage of the heat-storing material in storage heater 4
Thermal energy power gradually dies down.
Gradually changing for the heat storage capacity of heat-storing material is taken, heat storage capacity can be further increased, it is vertical to realize
Pipe 3 is evenly heated.Because more arriving storage heater outer wall, then because being in direct contact with heat source, therefore temperature highest herein, accumulation of heat
Material can be heated directly, and after heat-storing material is by abundant accumulation of heat, heat can be transmitted to the inside of storage heater.Pass through storage heater
The variation of the heat storage capacity of heat-storing material, it is ensured that, can be inside by heat at once after external heat-storing material reaches accumulation of heat saturation
Portion transmits, and ensures that inside also stores heat.In this way, different location of the VERTICAL TUBE 3 in storage heater can fully absorb heat, avoid
Heat pipe overheat, the heat absorption of some heat pipes is inadequate, ensures that the heat absorption of integral heat pipe is uniform, avoids part superheated steam from damaging, causes
Product it is difficult in maintenance.It is arranged in this way, can is that the service life of heat pipe entirety reaches identical.Simultaneously so that low-temperature receiver is also whole
Body homogeneous heating.
Preferably, gradually subtracting from the center of storage heater 4 to the outer wall direction of storage heater 4, the heat storage capacity of heat-storing material
Weak amplitude gradually increases.It is found by experiment and numerical simulation, takes this set, the heat absorption of heat pipe can be further increased
The uniformity.
Preferably, from the center of storage heater 4 to the outer wall direction of storage heater 4, communicating pipe, 8 quantity was continuously increased.This mesh
Be in order to which more communicating pipes are arranged because closer to the outer wall direction of storage heater 4, amount of stored heat is most, and fluid is heated also more,
Steam pressure in VERTICAL TUBE 3 is also bigger, therefore by above-mentioned setting, can ensure as soon as possible to reach in fluid thermal histories
Pressure is balanced.
Preferably, from the center of storage heater 4 to the outer wall direction of storage heater 4, communicating pipe the ever-increasing amplitude of 8 quantity
It is increasing.It is found through experiments that, above-mentioned setting, can ensure that more excellent in fluid thermal histories to reach pressure equal faster
Weighing apparatus.This is also the best mode of communicating got by largely studying pressure changes in distribution rule.
As being preferably continuously increased from the center of storage heater 4 to the outer wall direction of storage heater 4, the diameter of communicating pipe 8.This mesh
Be in order to be arranged ensure bigger connection area because closer to the outer wall direction of storage heater 4, amount of stored heat is most, fluid by
Heat is also more, and the steam pressure in VERTICAL TUBE 3 is also bigger, therefore by above-mentioned setting, can ensure in fluid thermal histories to the greatest extent
Fast reaches pressure equilibrium.
Preferably, from the center of storage heater 4 to the outer wall direction of storage heater 4, the ever-increasing width of diameter of communicating pipe 8
It spends increasing.It is found through experiments that, above-mentioned setting, can ensure that more excellent in process fluid flow to reach pressure equal faster
Weighing apparatus.This is also the best mode of communicating got by largely studying pressure changes in distribution rule.
Accumulation of heat paraffin is loaded in storage heater.Paraffin class phase change heat storage material have latent heat of phase change it is high, almost without
Surfusion, melt when steam pressure is low, be not susceptible to chemical reaction and chemical stability preferably, without phase separation and corrosion
The advantages such as property and price are low, become the first choice of heat-storing material.Paraffin embeds VERTICAL TUBE 3.VERTICAL TUBE 3, which absorbs, comes from storage heater
The heat of interior paraffin realizes the heating to low-temperature receiver in top vertical portion heat release.
It is found by numerical simulation and experiment, between the distance between VERTICAL TUBE 3, including the distance and adjacent row of same row
Distance cannot be too small, it is too small that heat pipe distribution can be caused excessive, cause the caloric receptivity of every heat pipe insufficient, crossing conference leads to heat pipe
Distribution is very little, causes heat pipe to overheat, therefore the application sums up by a large amount of numerical simulation and experiment and carrys out heat pipe VERTICAL TUBE 3
The distribution of the optimization of distribution so that heat pipe can neither recept the caloric deficiency, and it is excessive to recept the caloric.
As shown in fig. 6, the outer diameter of VERTICAL TUBE 3 is d, the distance between adjacent 3 center of circle of VERTICAL TUBE of same row is L, is erected
The apex angle that the center of circle of straight tube 3 and two closed on VERTICAL TUBE, 3 center of circle of adjacent row constitute isosceles triangle is A, then meets following
It is required that：
Sin (A)=a-b*Ln (d/L), wherein Ln are logarithmic functions, and a, b are parameters, meet following require：
0.095<a<0.105,0.29<b<0.31；
Further preferably, the a=0.1016, b=0.3043.
Preferably, tapering into d/L, a is increasing, and b is increasing.
Preferably, 15 °<A<80°.
Further preferably, 20 °<A<40°.
0.1<d/L<0.7, further preferably, 0.2<d/L<0.5.
Above-mentioned empirical equation is obtained by a large amount of numerical simulations and experiment, the structure obtained by above-mentioned relation formula, energy
It is enough to realize the heat pipe structure optimized, and pass through verification experimental verification, error is substantially within 3%.
The heat absorption capacity 900-1100W of heat pipe, further preferably 1000W；
100-120 degrees Celsius of the temperature of heat source, further preferably 110 DEG C.
Heat pipe horizontal component shown in Fig. 2 is preferably square, the length of side be 400-600 millimeters, further preferably 500
Millimeter.
3 outside diameter d of VERTICAL TUBE is 9-12 millimeters, further preferably 11mm.
Preferably, as shown in figure 4, including two heat pipes in the system, the horizontal component 2 of described two heat pipes divides
Do not extend by the way that two symmetrical heat pipes are arranged towards opposite direction, can absorb heat in different directions, meet the need of heat exchange
It asks.
Preferably, as shown in figure 5, communicating pipe 7 is arranged between the VERTICAL TUBE 3 of two heat pipes adjacent to each other.By setting
Communicating pipe is set, can be even to avoid uneven heating between heat pipe, it realizes that the pressure between heat pipe is balanced, avoids between different heat pipes
Defect caused by uneven heating is even.
Preferably, from 3 lower part of VERTICAL TUBE to 3 top of VERTICAL TUBE, constantly reduce the distance between adjacent communicating pipe 7.This
Purpose is in order to which more communicating pipes are arranged, because of flowing up with fluid, fluid is constantly heated, as fluid is continuous
It is heated, it is heated more and more uneven in different heat pipes, therefore by above-mentioned setting, can ensure in process fluid flow
Reach pressure equilibrium as soon as possible.
Preferably, from 3 lower part of VERTICAL TUBE to 3 top of VERTICAL TUBE, the distance between adjacent communicating pipe 7 ever-reduced width
It spends increasing.It is found through experiments that, above-mentioned setting, can ensure that more excellent in process fluid flow to reach pressure equal faster
Weighing apparatus.This is also the best mode of communicating got by largely studying pressure changes in distribution rule.
Preferably, from 3 lower part of VERTICAL TUBE to 3 top of VERTICAL TUBE, the diameter of communicating pipe 7 is continuously increased.This purpose be for
Setting ensures the connection area of bigger, because of flowing up with fluid, fluid is constantly heated, as fluid is continuous
It is heated, it is heated more and more uneven in different heat pipes, therefore by above-mentioned setting, can ensure in process fluid flow to the greatest extent
Fast reaches pressure equilibrium.
Preferably, from 3 lower part of VERTICAL TUBE to 3 top of VERTICAL TUBE, the ever-increasing amplitude of diameter of communicating pipe 7 is increasingly
Greatly.Be found through experiments that, above-mentioned setting, can ensure in process fluid flow it is more excellent faster reach pressure equilibrium.This
It is the best mode of communicating got by largely studying pressure changes in distribution rule.
Although the utility model has been disclosed in the preferred embodiments as above, the utility model is not limited to this.Any
Field technology personnel can make various changes or modifications, therefore this practicality without departing from the spirit and scope of the utility model
Novel protection domain should be subject to claim limited range.
Claims (10)
1. a kind of heat pipe heat accumulation heat exchanger of communicating pipe quantity variation, including gravity assisted heat pipe, the heat pipe includes evaporation ends and cold
Solidifying end, the evaporation ends are arranged in storage heater, and the storage heater is arranged in heat source, and the appearance in low-temperature receiver is arranged in the condensation end
In device, the evaporation ends include multiple ends, and multiple communicating pipes are arranged between adjacent end, from the center of storage heater to accumulation of heat
The outer wall direction of device, communicating pipe quantity be continuously increased.
2. heat exchanger as described in claim 1, which is characterized in that from the center of storage heater to the outer wall direction of storage heater, even
The ever-increasing amplitude of siphunculus quantity is increasing.
3. heat exchanger as described in claim 1, which is characterized in that the heat source is geothermal energy.
4. heat exchanger as described in claim 1, which is characterized in that the fusing point of heat-storing material is that 60-80 takes the photograph in the storage heater
Family name's degree.
5. heat exchanger as described in claim 1, which is characterized in that the heat-storing material in the storage heater is paraffin.
6. heat exchanger as described in claim 1, which is characterized in that the heat pipe includes vertical portion, horizontal component and vertical
Pipe, the wherein bottom end of vertical portion are connected to horizontal component, and the horizontal component is from the bottom end of vertical portion away from vertical portion
The direction divided extends, and the horizontal component lower part is connected to multiple VERTICAL TUBEs, and wherein VERTICAL TUBE is the evaporation ends of heat pipe, vertical portion
It is the condensation end of heat pipe.
7. heat exchanger as claimed in claim 6, which is characterized in that the VERTICAL TUBE is multiple rows of, wherein adjacent two rows of for mistake
Row arrangement.
8. heat exchanger as claimed in claim 7, which is characterized in that the center of circle of VERTICAL TUBE and two closed on of adjacent row are vertical
The pipe center of circle constitutes isosceles triangle, and the center of circle of the VERTICAL TUBE is located at the position of the point of isosceles triangle apex angle.
9. heat exchanger as claimed in claim 8, which is characterized in that the outer diameter of VERTICAL TUBE is d, the adjacent VERTICAL TUBE of same row
The distance between center of circle is L, and the center of circle of VERTICAL TUBE 3 and two closed on the VERTICAL TUBE center of circle of adjacent row constitute isosceles triangle
Apex angle is A, then meets claimed below：
Sin (A)=a-b*Ln (d/L), wherein Ln are logarithmic functions, and a, b are parameters, meet following require：
0.095<a<0.105,0.29<b<0.31；0.1<d/L<0.7.
10. heat exchanger as claimed in claim 9, which is characterized in that with tapering into for d/L, a is increasing, and b is increasingly
Greatly.
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| CN108204759A (en) * | 2018-02-13 | 2018-06-26 | 国网山东节能服务有限公司 | A kind of heat pipe heat accumulation heat exchanger of communicating pipe quantity variation |
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