CN110243080A - The solar energy loop circuit heat pipe system of the microbe soil purification of heat pipe variable density - Google Patents
The solar energy loop circuit heat pipe system of the microbe soil purification of heat pipe variable density Download PDFInfo
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- CN110243080A CN110243080A CN201810635888.4A CN201810635888A CN110243080A CN 110243080 A CN110243080 A CN 110243080A CN 201810635888 A CN201810635888 A CN 201810635888A CN 110243080 A CN110243080 A CN 110243080A
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- heat pipe
- gas chamber
- loop circuit
- condensation end
- evaporation ends
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
- F28D15/043—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure forming loops, e.g. capillary pumped loops
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- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention provides a kind of solar energy loop circuit heat pipe systems of the microbe soil of heat pipe variable density purification, including solar energy equipment and loop circuit heat pipe device, the solar energy equipment includes solar thermal collector, heat exchanger, the loop circuit heat pipe is antigravity heat pipe, the loop circuit heat pipe includes evaporation ends and condensation end, and the condensation end is arranged on the outer wall of gas chamber；In the soil, along short transverse from top to lower part, the condensation end of loop circuit heat pipe is increasing in the density of the winding of gas chamber's outer wall for gas chamber's setting.By the variation of condensation end winding density, heat is concentrated on to lower part as far as possible and is exchanged heat, because lower step temperature is low, needed more heats, enhance soil remediation effect.So that whole repair uniformly.It is found through experiments that, can be further improved 11% or so repairing effect by above structure.
Description
Technical field
The present invention relates to the solar energy loop circuit heat pipes that solar energy and heat pipe field more particularly to a kind of microbe soil purify
System.
Background technique
Hot pipe technique is George Ge Luofo of U.S. Los Alamos (Los Alamos) National Laboratory in 1963
One kind of (George Grover) invention is known as the heat transfer element of " heat pipe ", it takes full advantage of heat-conduction principle and phase transformation is situated between
The heat of thermal objects is transmitted to outside heat source rapidly by the quick thermal transport property of matter through heat pipe, and the capacity of heat transmission is more than to appoint
The capacity of heat transmission of what known metal.
The industries such as aerospace, military project were widely used in front of hot pipe technique, since being introduced into radiator manufacturing, so that
People change the mentality of designing of traditional heat sinks, get rid of the list for obtaining more preferable heat dissipation effect by high air quantity motor merely
One radiating mode makes radiator obtain satisfied heat transfer effect using hot pipe technique, opens heat dissipation industry new world.At present
Heat pipe is widely used in various heat exchange equipments, including nuclear power field, such as the UTILIZATION OF VESIDUAL HEAT IN of nuclear power etc..
With industrialized rapid development, soil contamination problem is got worse, and finds a kind of soil sanitation of green high-efficient
Method is extremely urgent.Since last century the eighties, soil remediation industry is gradually risen.The scholars such as Liu Yangsheng, Chen Tongbin are in state
Inside carry out soil remediation research work, the method for proposing to utilize microbial catalyzed degradation organic pollutant, and propose by changing
Become various environmental conditions and carrys out enhancement microbiological degradation to reach improvement purpose.But program Shortcomings: on the one hand do not have
Accomplish energy conservation, is on the other hand limited by more territory restrictions and natural conditions.
It is high by loop circuit heat pipe the present invention provides a kind of solar energy loop circuit heat pipe system of microbe soil purification
Heat transfer efficiency and accurate the control soil moisture, humidity, pH value, to guarantee the activity of microorganism, to reach fast purification soil,
Go the effect of depollution.Device efficiently utilizes solar energy by Driven by Solar Energy, the use of loop circuit heat pipe (LHP), will too
Positive energy flat late heat transfer efficiency maximizes, and reduces the use of remaining energy.
Summary of the invention
The present invention provides a kind of solar energy loop circuit heat pipe systems of microbe soil purification, utilize solar energy and loop heat
Pipe combines, using the performance of antigravity heat pipe and its heat exchange area of expansion, to solve the technical issues of front occurs.
To achieve the goals above, technical scheme is as follows:
A kind of solar energy loop circuit heat pipe system of microbe soil purification, including solar energy equipment and loop circuit heat pipe device,
The solar energy equipment includes solar thermal collector, heat exchanger and blower, and the heat exchanger connects solar thermal collector, the wind
Air is input to heat exchanger by machine, after being heated into hot-air in heat exchanger, into loop circuit heat pipe device；The loop circuit heat pipe dress
It sets including air inlet passageway, air outlet passage, loop circuit heat pipe and gas chamber, the loop circuit heat pipe includes evaporation ends and cold
Solidifying end, the condensation end are arranged on the outer wall of gas chamber；Gas chamber setting in the soil, along short transverse from
The condensation end on top to lower part, loop circuit heat pipe is increasing in the density of the winding of gas chamber's outer wall.
Preferably, along short transverse from top to lower part, condensation end the twining in gas chamber's outer wall of loop circuit heat pipe
Around the increasing amplitude of density be continuously increased.
Preferably, the entrance of the outlet of air inlet passageway, air outlet passage is connected to gas chamber, the heat is empty
Gas exchanges heat during introducing gas chamber from air inlet passageway with evaporation ends, and condensation end is by heat transfer to air chamber
The soil on room periphery.
Preferably, the loop circuit heat pipe is antigravity heat pipe, the evaporation ends are located at condensation end top, the condensation end
Lead to and capillary wick is set in the pipeline of evaporation ends.
Preferably, the gas chamber is flat structure.
Preferably, some or all settings of the capillary wick are in evaporation ends.
Preferably, the evaporation ends include tedge, capillary wick is arranged at least part of the tedge, thus real
The effect of existing antigravity heat pipe；Capillary wick center setting condensation end flows to the pipeline of evaporation ends, and the outside wall surface of evaporation ends, which is surround, to be set
Set longitudinal vertical fin；Air outlet passage be arranged between the vertical fin of adjacent two and with two adjacent vertical fins
Contact；The down-comer of heat pipe be arranged between the vertical fin of adjacent two and with two adjacent vertical fin contacts；It is described
At least part of tedge and down-comer is arranged in air inlet passageway.
Preferably, the top and bottom of gas chamber are planar structure.
Preferably, multiple gas chamber are arranged, the gas inlet channel of the multiple gas chamber is parallel-connection structure.
Preferably, the outside wall surface of the top of gas chamber, lower part and side is arranged in the condensation end.
Preferably, the top and bottom of gas chamber are planar structure.
Preferably, multiple gas chamber are arranged, the gas inlet channel of the multiple gas chamber is parallel-connection structure.
Preferably, the inlet tube of gas chamber is arranged in evaporation ends, at least part of evaporation ends is filled with capillary wick,
Capillary wick center setting condensation end flows to the pipeline of evaporation ends, and the outside wall surface of evaporation ends is around the longitudinal vertical fin of setting.
Preferably, Gas outlet channels be arranged between the vertical fin of adjacent two and with two adjacent vertical wings
Piece contact.
Preferably, evaporation ends flow direction condensation end pipeline be arranged between the vertical fin of adjacent two and with it is adjacent
Two vertical fin contacts.
The pipeline be it is multiple, the Gas outlet channels be multiple, the quantity phase of the pipeline and Gas outlet channels
Deng.
Further preferably, the pipeline is arranged between adjacent Gas outlet channels, and the Gas outlet channels exist
Adjacent evaporation ends flow between condensation end pipeline.
Further preferably, the evaporation ends flow to condensation end pipeline center and adjacent Gas outlet channels centre distance phase
Together；It is identical that the Gas outlet channels center with adjacent gas evaporation end flows to condensation end pipeline centre distance.
Preferably, the radius of Gas outlet channels is R, the radius that evaporation ends flow to condensation end pipeline is r, adjacent fins
Between angle be A, meet claimed below:
Sin (A)=a* (r/R)-b* (r/R)2-c；
A, b, c are parameters,
Wherein 1.23 < a < 1.24,0.225 <b < 0.235,0.0185 < c < 0.0195；
14°<A<30°；
0.24<r/R<0.5；
Further preferably, 0.26 < r/R < 0.38.
Compared with prior art, the present invention has the advantage that:
1) present invention passes through the variation of condensation end winding density, and heat is concentrated on to lower part as far as possible and is exchanged heat, because under
It is low to walk temperature, needs more heats, enhances soil remediation effect.So that whole repair uniformly.It is found through experiments that, by upper
Stating structure can be further improved 11% or so repairing effect.
2) it the invention proposes a kind of soil sanitation device of Novel structure, is changed using solar energy and antigravity heat pipe
Heat, by the heat transfer in gas to soil, by the high heat transfer efficiency of loop circuit heat pipe and the accurate control soil moisture, wet
Degree, pH value, to reach fast purification soil, go the effect of depollution to guarantee the activity of microorganism.
3) present invention winds or is coiled in gas chamber's outer wall and gas chamber by the condensation end of antigravity heat pipe
Area expansion, increase heat exchange area, improve heat transfer effect.
4) improvement and design of the present invention to the structure of loop circuit heat pipe evaporation ends, further increases the coefficient of heat transfer.
5) present invention flows to Gas outlet channels, the evaporation ends of loop circuit heat pipe by a large amount of numerical simulation and experiment
Angle between condensation end pipeline and adjacent fins is optimized, and further increases heat exchange efficiency.
Detailed description of the invention
Fig. 1 is solar thermal collection system structural schematic diagram of the invention.
Fig. 2 is the schematic diagram of one embodiment of heat-pipe apparatus of the invention.
Fig. 3 is the bottom view of Fig. 2.
Fig. 4 is the schematic diagram of another embodiment of heat-pipe apparatus.
Fig. 5 is the sectional view of A-A in Fig. 4.
Fig. 6 is the structural schematic diagram that multiple evaporation ends of the invention flow to condensation end pipeline (descending branch).
Fig. 7 is the pipeline jointing construction schematic diagram of present invention setting capillary wick position.
Fig. 8 is the structural schematic diagram that multiple gases exit lines are arranged.
Appended drawing reference is as follows: 1 solar thermal collector, 2 blowers, 3 heat exchangers, 4 Gas outlet channels, 5 gas inlet channels,
6 loop circuit heat pipe evaporation ends, 7 gas chamber, 8 loop circuit heat pipe condensation ends, 9 evaporation ends flow to condensation end pipeline (descending branch), and 10 is cold
Solidifying end flows to evaporation ends pipeline, 11 gas chamber's inlet tubes, 12 fins, 13 capillary wicks, 14 high temperature melting salt cellars, 15 low-temperature molten salts
Tank.
Specific embodiment
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
Herein, if without specified otherwise, it is related to formula, "/" indicates that division, "×", " * " indicate multiplication.
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
As shown in Figure 1, a kind of solar energy loop circuit heat pipe system of microbe soil purification, including solar thermal collector 1, change
Hot device 3 and blower 2, the heat exchanger 3 connect solar thermal collector 1, and air is input to heat exchanger 3, exchanged heat by the blower 2
After being heated into hot gas in device 3, into the gas inlet channel 5 of loop circuit heat pipe device.The heat pipe setting in the soil, is used for
Soil is repaired.
The present invention has saved the energy by application of solar energy to soil remediation function using this generation of solar energy heating heat source,
Development cost substantially reduces.
Further preferably, high temperature melting salt cellar 14 is respectively set between the solar thermal collector 1 and heat exchanger 3 and low temperature is molten
The upstream of heat exchanger 3 is arranged in salt cellar 15, the high temperature melting salt cellar 14, and the downstream of heat exchanger 3 is arranged in low-temperature molten salt tank 15.It is logical
Setting high temperature melting salt cellar 14 and low-temperature molten salt tank 15 are crossed, to store the high-temperature residual heat thermal energy and low temperature exhaust heat thermal energy of solar energy, with
Meet and carries out heat utilization in bad weather or evening.
Referring to Fig.1, using mature solar energy techniques, the hot-air of controllable high temperature, the high warm of generation are generated
Air is led in the heat-pipe apparatus in buried soil.To save energy.
It include anti-gravity loop circuit heat pipe in the heat-pipe apparatus, as shown in Figure 4 and Figure 5, the heat pipe includes 6 He of evaporation ends
Condensation end 8, the evaporation ends 6 are located at 8 top of condensation end, and described 6 a part of evaporation ends is arranged in the fluid ascent stage, on fluid
Rise section
Capillary wick 13 is arranged at least part of evaporation ends, as shown in Figure 6.
Preferably, evaporation ends include that evaporation ends flow to condensation end pipeline (descending branch) 9, ascent stage two parts.Wherein make
To be preferred, setting condensation end flows to evaporation ends pipeline 10 in the ascent stage.
The solar energy loop circuit heat pipe system of microbe soil purification as shown in Figure 2, the loop circuit heat pipe device include sky
Gas intake channel 5, air outlet passage 4, loop circuit heat pipe and gas chamber 7, the loop circuit heat pipe is as shown in figure 4, include evaporation
End 6 and condensation end 8, the evaporation ends 6 are located at 8 top of condensation end, and the condensation end 8, which leads in the pipelines of evaporation ends 6, is arranged hair
Thin core, the condensation end 8 are arranged on the outer wall of gas chamber；The gas chamber 7 is arranged in the soil, the loop circuit heat pipe
It is antigravity heat pipe, the outlet of air inlet passageway 5, the entrance of air outlet passage 4 are connected to gas chamber 7, and the heat is empty
Gas exchanges heat during introducing gas chamber 7 from air inlet passageway 5 with evaporation ends, and condensation end is by heat transfer to gas
The soil on chamber periphery.
The present invention provides a kind of soil repair systems of the loop circuit heat pipe of Novel structure, by the way that loop circuit heat pipe conduct is arranged
Efficient heat transfer tool, principle is simple, compact-sized, significantly improves cooling efficiency.
Preferably, at least part of the evaporation ends 6 of loop circuit heat pipe is mounted on 7 inlet of gas chamber.Preferably,
The evaporation ends 6 of the loop circuit heat pipe are arranged in the inlet tube 11 of gas chamber.The inlet tube 11 of gas chamber connect air into
Mouth channel 5.
Preferably, the gas inlet channel 5 is arranged at least partially in 7 inlet tube of gas chamber.By such
Setting can make the gas in gas inlet channel 5 directly participate in the heat exchange of soil remediation by inlet tube, flow gas
It is further cooling under the collective effect of body and loop circuit heat pipe, improve heat transfer effect.
Preferably, gas chamber 7 is made of Heat Conduction Material, preferably metal, such as copper, aluminium.Pass through gas chamber
Material, the heat of gas is transmitted outward by chamber, so that a kind of heat exchange mode is increased, so that the heat of gas
Amount passes to external fluid by loop circuit heat pipe, gas chamber.
Preferably, as shown in Fig. 2, the gas chamber 7 is flat structure.By the way that flat tube structure is arranged, can make
It obtains gas chamber and soil contact product increases.
Preferably, as described in Figure 3, from bottom, 7 circular configuration of gas chamber.By the way that circular configuration is arranged,
Heat can be made uniform to periphery heat dissipation.
Preferably, as shown in figure 3, the condensation end 8 is the coil pipe positioned at gas chamber's lower wall surface.
Preferably, the air outlet passage 4 is more.Cooperated by more air outlet ducts, it can be quick
Realization air discharge.
Preferably, the arrival end of air outlet passage 4 extends to the edge of gas chamber from the center of gas chamber.Example
Such as Fig. 8.Certainly, Fig. 8 shows only air outlet passage 4, and other components are not shown.By by air outlet passage 4
The edge of gas chamber is arranged in arrival end, and gas can be forced from center flow channels edge, so that gas participates in whole heat exchange,
Avoid hot-air that short circuit occurs.
Preferably, the coil pipe setting is in a groove as shown in figure 3, groove is arranged in gas chamber's lower wall surface.In order to
The fixation of condensation end.
Preferably, coil arrangement is stretched out from the center of circular configuration, extend the outer end of circular configuration, then towards circle
The center of circle of structure is coiled, as shown in Figure 3.By so set, heat is enabled to first to radiate since the outer end of circular configuration,
Then gradually inwardly.Because the caliber of the coil pipe of outer end is big, more heats are needed, and because hot-air enters gas chamber,
Hot-air transmits heat by chamber outward, and in contrast, middle part heat source is most sufficient, because hot-air is introduced into middle part.By upper
State setting enable on the whole soil be heated evenly.
Preferably, to along circular configuration center to radial direction, increasing (the adjacent coil pipe of the distribution density of coil pipe
Between spacing it is more old smaller).Main cause is will be by so set, enable to heat first to open from the outer end of circular configuration
Begin to radiate, then gradually inwardly.Because the caliber of the coil pipe of outer end is big, more heats are needed, so that integral heat sink is uniform, enhancing
Soil remediation effect.So that whole repair uniformly.
Further preferably, preferably, to along circular configuration center, to radial direction, the distribution density of coil pipe is increasingly
Big amplitude is continuously increased.By numerical simulation and experiment discovery, it can be further improved what soil was heated by above structure
The uniformity.
Preferably, to along circular configuration center, to radial direction, the diameter of coil pipe is increasing.Main cause be by
By so set, enabling to heat first to radiate since the outer end of circular configuration, then gradually inwardly.Because of the disk of outer end
The caliber of pipe is big, needs more heats, so that integral heat sink is uniform, enhances soil remediation effect.So that whole repair uniformly.
Further preferably, preferably, to along circular configuration center, to radial direction, the diameter of coil pipe is increasing
Amplitude is continuously increased.By numerical simulation and experiment discovery, heated uniform of soil can be further improved by above structure
Degree.Enhance soil remediation effect, so that whole repair uniformly.
Preferably, the condensation end is wound around the ring pipe of gas chamber's outer wall.
Preferably, the gas chamber 7 is square structure in terms of lower part.
As another embodiment (not shown), the gas chamber 7 is circular tube structure, and the condensation end is wrapped in circle
Guan Shang.The round tube is vertical with gas chamber's inlet tube 11.
Preferably, the electric heater that setting auxiliary heats in the gas chamber.When the shortage of heat of air when
It waits, passes through electric heater supplementary heating.
Preferably, further include control system, the control system by detect the air themperature of air inlet passageway come
Control electric heater heating.
If the air themperature of measurement is lower than specified value, control system starting electric heater is heated.
If the air themperature of measurement is higher than specified value, control system stops the heating of electric heater.
Further preferably, the inlet tube of gas chamber 7 connects gas inlet channel.
The structure of gas chamber described in Fig. 2 is a kind of preferred embodiment.But knot of the structure of Fig. 4 relative to Fig. 2
Structure, it is weaker in terms of expanding heat exchange area, and also the structure of Fig. 4 is there are embedding more difficult in the soil, but the knot of Fig. 4
Structure is also able to achieve the repair function of soil, therefore also belongs to the scheme of the application.As shown in figure 4, the gas chamber 7 from
The position for connecting inlet tube is downward, has just been initially that diameter becomes larger, diameter starts to gradually become smaller after then having arrived certain position.
Be conducive to gas and complete gas circulation in air chamber indoor moveable, and increases between gas and air chamber locular wall
Heat exchange efficiency.
Preferably, as shown in Fig. 2, the bottom and top of gas chamber 7 are planar structure.
Preferably, multiple gas chamber 7 are arranged, the gas inlet channel 5 of the multiple gas chamber is parallel-connection structure.
Preferably, the Gas outlet channels 5 of the multiple gas chamber are parallel-connection structure.
Preferably, the evaporation ends 6 of loop circuit heat pipe are mounted on gas chamber's inlet tube, the condensation end 8 of loop circuit heat pipe is wound
Outside gas chamber, and external soil directly contacts.Loop circuit heat pipe condenser is wrapped in outside gas chamber, with external soil
It comes into full contact with, increases the heat dissipation of opposite heat tube evaporation ends gas, improve cooling efficiency.
As shown in figure 4, the condensation end is wound around the ring pipe of gas chamber's outer wall.
Preferably, the condensation end 8 of loop circuit heat pipe is in 6 outer wall of gas chamber along short transverse from top to lower part
The density of winding is increasing (between ring pipe and the spacing the old smaller).Main cause is that heat is concentrated on lower part as far as possible
It exchanges heat, because lower step temperature is low, needs more heats, therefore increase heat exchange area by increasing density, enhancing soil
Earth repairing effect.So that whole repair uniformly.It is found through experiments that, can be further improved 11% or so by above structure
Repairing effect.
Further preferably, along short transverse from top to lower part, the condensation end 8 of loop circuit heat pipe is in 6 outer wall of gas chamber
The increasing amplitude of density of winding be continuously increased.It is found through experiments that, can be further improved 5% by above structure
The repairing effect of left and right.
Preferably, the condensation end 8 of loop circuit heat pipe is in 6 outer wall of gas chamber along short transverse from top to lower part
Caliber is increasing.Main cause is that heat is concentrated on to lower part as far as possible to exchange heat, because lower step temperature is low, is needed more
Heat, therefore increase heat exchange area by increasing caliber, enhance soil remediation effect.So that whole repair uniformly.Pass through reality
It issues after examination and approval now,
It can be further improved 10% or so repairing effect by above structure.
Further preferably, along short transverse from top to lower part, the condensation end 8 of loop circuit heat pipe is in 6 outer wall of gas chamber
The increasing amplitude of caliber be continuously increased.It is found through experiments that, can be further improved 5% or so by above structure
Repairing effect.
Preferably, capillary wick 13 is arranged at least part of the evaporation ends 6, capillary force provides working medium reflux and follows
The power of ring, while the working medium amount of reflux being made to reach the demand of heat transfer, to realize the effect of antigravity heat pipe.
By be arranged capillary wick 13, and capillary wick 13 because itself be arranged in evaporation ends so that in the ascent stage 6 of evaporation ends
Naturally flow resistance is generated, so that the steam natural that evaporation ends generate flows to the small evaporation ends of resistance and flows to condensation end pipeline
9, so as to form antigravity heat pipe.
Preferably, the capillary wick 13 was positioned only in the ascent stage of evaporation ends, as being preferably provided at the ascent stage
A part in.Such as Fig. 4, Fig. 6, shown in 7.
Preferably, at least part of Gas outlet channels 4 is arranged in the inlet tube of gas chamber, gas vent
The hot gas of cold air pre-cooling gas feed.By the heat exchange of exit gas and inlet gas, heat transfer effect is further realized, is increased
Add the condensation efficiency of water.
Preferably, the ascent stage of evaporation ends is filled with as shown in figure 4, the inlet tube of gas chamber is arranged in evaporation ends
Capillary wick 13, to provide sufficiently large capillary force, 13 center of capillary wick setting condensation end flows to the pipeline 10 of evaporation ends, by such as
This setting pipeline 10 (in without capillary wick), it is possible to reduce the fluid resistance of pipeline improves antigravity so that working medium reflux is more smooth
Heat-transfer capability under state, the ascent stage outside wall surface of evaporation ends increase heat exchange area, mention around the longitudinal vertical fin 12 of setting
The high heat exchange efficiency with gas.
Pipeline 10 is gas or liquid line, realizes a flexible arrangement, both caliber was smaller, was easily bent.Loop circuit heat pipe
Principle is, if vaporizer side and pipeline 10 are steam pipe line, then principle is the heated internal working medium evaporation of evaporator, and steam is along evaporation
Device upper outlet enters pipeline 10, then flow to lower loop around pipeline, with fluid contact start condense, when steam all condense
Afterwards, evaporator is returned to by the effect of evaporator capillary wick capillary force, to realize the circulation of working medium.
Preferably, being connected between pipeline 10 and capillary wick 13.By connection, can be realized capillary wick 13 and pipeline 10 it
Between fluid circulation so that liquid is by capillary wick uphill process, if generate biggish pressure because of heat absorption, such as
Possibly even there is bubble, then it can be by pipeline 10 come the pressure of balanced evaporator section, to guarantee the equilibrium of pressure.
Further preferably, the capillary wick 13 extends to condensation end, directly to suct the liquid of condensation end.Into one
Step improves the circulation ability of antigravity heat pipe.
Preferably, capillary wick is distributed along short transverse, as shown in Fig. 3.Further preferably, along height decline side
To the capillary force of the capillary wick gradually increases.It is more proximate to condensation end, capillary force is bigger.It is found through experiments that, takes such
Mode can further increase the suction to liquid, can be improved 20% or more suction under identical cost, to improve
Heat transfer effect.
By further analyzing, preliminary reason may be as the capillary force close to condensation end is increasing, so that condensation
The liquid at end can be quickly drawn onto capillary wick, and liquid is constantly flowed to evaporation ends.In flow process, liquid is not
Disconnected heat absorption, then because temperature caused by absorbing heat increases, density becomes smaller, therefore because of variable density reason, the hair for needing it
Thin power obviously becomes smaller, therefore is also easy for up inhaling in the case where capillary force is small.Above-mentioned reason is that the present inventor passes through
What a large amount of experiment and research obtained, the common knowledge of non-this field.
Further preferably, along height descent direction, the amplitude that the capillary force of the capillary wick gradually increases is increasing.
It is found through experiments that, takes such mode, the suction to liquid can be further increased, it can be further under identical cost
The suction for improving 8% or so, to improve heat transfer effect.
Preferably, pipeline is that the through-hole opened up among capillary wick is formed.
Preferably, as shown in fig. 7, the caliber of the heat pipe position of setting capillary wick is greater than the heat pipe position for being not provided with capillary wick
The caliber set.
Further preferably, as shown in fig. 7, the pipe of the heat pipe position of the setting capillary wick and the heat for being not provided with capillary wick
Caliber change between the pipe of pipe position is consecutive variations.It is further preferred that straight line changes.The pipe of Large Diameter Pipeline position and
The pipe of small diameter tube in junction is connected by contractibility.The variation of the caliber of contractibility is linear change.
Preferably, Gas outlet channels 4 are arranged between the vertical fin 12 of adjacent two and erect with adjacent two
Straight fins 12 contact.Pass through such setting, it is possible to reduce the mechanism of the independent support Gas outlet channels 4 of setting, so that structure
Compact, the cold air of exit passageway can be exchanged heat by pipeline and fin, kept the cold degree of fin, enhanced heat transfer effect.
Preferably, the condensation end evaporation ends of evaporation ends flow direction, which flow to condensation end pipeline 9, is arranged in adjacent two vertically
Between fin and with two adjacent vertical fin contacts.Pass through such setting, it is possible to reduce the independent support gas of setting goes out
The mechanism in mouth channel 4, so that compact-sized, the steam in pipeline can reduce system by pipeline to the of short duration a small amount of heat transfer of fin
Overall thermal resistance,
It avoids generating steam superheating in evaporator in ground antigravity, to slow down the temperature in heat pipe start-up course
Reforming phenomena.
Further preferably, the evaporation ends flow to condensation end pipeline 9 than Gas outlet channels 4 closer to evaporation ends pipeline
Outer wall plays respective action so that two above-mentioned diabatic processes can be achieved at the same time.
Further preferably, the diameter that the evaporation ends flow to condensation end pipeline 9 is less than Gas outlet channels 4.
Preferably, flowing to condensation end pipeline 9 along the condensation end evaporation ends that multiple evaporation ends flow directions can be set, such as scheme
4, shown in 6.Condensation end pipeline 9 is flowed to by the way that multiple evaporation ends are arranged, the thermogenetic steam of evaporation ends suction can be made to pass through more
A evaporation ends flow to condensation end pipeline 9 into condensation end, further augmentation of heat transfer, and steam because the fluid in heat pipe absorbs heat
Hair, causes volume to increase, and flows to condensation end pipeline 9 by the way that multiple evaporation ends are arranged, can further relieve stress, improve heat exchange
Effect.
Further preferably, the vertical fin extends through the center of circle of the inlet tube of gas chamber, and the evaporation ends rise
Duan Guanlu and the inlet tube of the gas chamber center of circle having the same.
Preferably, the evaporation ends flow to condensation end pipeline 9 be it is multiple, the multiple evaporation ends flow to condensation end pipeline
9 center of circle is identical as the distance between evaporation ends ascent stage pipeline.
Further preferably, condensation end pipeline 9 is flowed to per one evaporation ends of setting between adjacent two vertical fins 12.Institute
It is parallel-connection structure that the evaporation ends stated, which flow to condensation end pipeline 9,.
Preferably, the Gas outlet channels 4 are multiple, the center of circle of the multiple Gas outlet channels 4 and evaporation ends
The distance between ascent stage pipeline is identical, so that Temperature Distribution is more uniform between fin, and above-mentioned heat transfer effect is become apparent from.
Further preferably, per one Gas outlet channels 4 of setting between adjacent two vertical fins 12.The Gas outlet channels 4
It is parallel-connection structure.
Further preferably, the evaporation ends flow to condensation end pipeline 9 be it is multiple, the Gas outlet channels 4 be multiple, institute
Stating evaporation ends, to flow to condensation end pipeline 9 equal with the quantity of Gas outlet channels 4.
Further preferably, the evaporation ends flow to condensation end pipeline 9 and are arranged between adjacent Gas outlet channels 4,
The Gas outlet channels 4 flow between condensation end pipeline 9 in adjacent evaporation ends.Further preferably, the evaporation ends flow direction
9 center of condensation end pipeline is identical as adjacent 4 centre distance of Gas outlet channels；4 center of Gas outlet channels with it is adjacent
To flow to 9 centre distance of condensation end pipeline identical at gas evaporation end.The i.e. described evaporation ends flow to condensation end pipeline 9 and are arranged adjacent
Gas outlet channels 4 centre, the Gas outlet channels 4 flow among condensation end pipeline 9 in adjacent evaporation ends.I.e. such as
Shown in Fig. 4, evaporation ends flow to the first line between the center of circle at 9 place of condensation end pipeline and the center of circle of evaporation ends 6, adjacent gas
Form the first line, third line between 4 center of circle of body exit passageway and the center of circle of evaporation ends 6, the first line and the second line it
Between the first angle for being formed be equal to the second angle formed between the first line and third line.Similarly, 4 institute of Gas outlet channels
The center of circle and evaporation ends 6 the center of circle between the 4th line, adjacent evaporation ends flow to 9 center of circle of condensation end pipeline and evaporation ends
The 5th line, the 6th line are formed between 6 center of circle, the third angle formed between the 4th line and the 5th line is equal to the 4th
The 4th angle formed between line and the 6th line.On namely in circumferential direction, evaporation ends flow to condensation end pipeline 9 and outlet
Channel 4 is uniformly distributed.
Pass through above-mentioned setting, it is ensured that evaporation ends flow to condensation end pipeline 9 and Gas outlet channels 4 to inlet gas into
Row absorbs heat uniform, avoids local heating uneven.Gas outlet channels 4 can continue to participate in heat exchange after absorbing heat, by heat
Evaporation ends are passed to by fin.
In numerical simulation and it was found that, Gas outlet channels 4 and evaporation ends flow to the caliber difference of condensation end pipeline 9
Cannot be too big, can not be too small, cause if too big Gas outlet channels 4 and evaporation ends flow to the distribution of condensation end pipeline 9 away from
Too far away, the gas converting heat for causing channel 4 and evaporation ends to flow between condensation end pipeline 9 is bad, causes overall heat exchange uneven,
The distance for causing Gas outlet channels 4 and evaporation ends to flow to the distribution of condensation end pipeline 9 if too small is too close, causes close to inlet tube
The gas converting heat of the gas of 11 outer wall and/or the outer wall close to evaporation ends 6 is bad, and the gas in whole inlet tube 11 is caused to change
It is hot uneven；Same reason, the angle between adjacent fins 12 cannot be too big, and it is few to will lead to distribution fin if too big, changes
Thermal effect is excessively bad, also result in Gas outlet channels 4 and evaporation ends flow to the distribution of condensation end pipeline 9 quantity it is very little, cause
Heat exchange is uneven and heat transfer effect is bad, and similarly, the angle between adjacent fins 12 cannot be too small, leads to fin if too small
It is distributed too close, flow resistance increases, and Gas outlet channels 4 and evaporation ends flow to the caliber of condensation end pipeline 9 and are not much different,
But they differ greatly with the exchange capability of heat of homalographic, therefore heat exchange is uneven in such cases, causes heat transfer effect bad.
Therefore it needs to determine optimal size relationship by a large amount of numerical simulation and its experiment.
The radius of Gas outlet channels 4 is R, and evaporation ends flow to the radius of condensation end pipeline 9 for r, between adjacent fins
Angle is A, is met claimed below:
Sin (A)=a* (r/R)-b* (r/R)2-c；
A, b, c are parameters,
Wherein 1.23 < a < 1.24,0.225 <b < 0.235,0.0185 < c < 0.0195；
14°<A<30°；
0.24<r/R<0.5；Further preferably, 0.26 < r/R < 0.38.
Above-mentioned empirical equation be obtained by a large amount of numerical simulations and experiment, and than previous logarithmic function have it is higher
Accuracy, and pass through verification experimental verification, error is substantially within 2.4.
Further preferably, a=1.235, b=0.231, c=0.0190.
Preferably, 3 < the R < 10mm；1.5 < the r < 4.0mm；
Further preferably, the heat pipe caliber for capillary wick position being arranged is 30-40mm, further preferably 32mm；
Further preferably, the heat pipe caliber for being not provided with capillary wick position is 5.0-6.4mm；
Further preferably, it is 5.0-6.4mm that condensation end, which flows to the caliber of the pipeline of evaporation ends,；
Further preferably, 11 caliber of inlet tube is 80-200mm；It is preferred that 120-150mm；
Further preferably, the vertical direction length of fin is 780-1500mm, preferably 1200mm；The length that fin longitudinally extends
Degree accounts for the 95% of 6 outer diameter of evaporation ends and 4 internal diameter difference of Gas outlet channels.The overall heat exchange ability of fin significantly mentions under this length
Height, the coefficient of heat transfer are and relatively small to the effect of the broken ring in boundary layer and the influence of fluid flow effect also in suitable range
After gas filtration, filtered gas is sucked by air chamber by air-introduced machine.Extraneous hot gas is first in the inlet channel 5
It exchanges heat with the low gas of opposite temperature for being discharged into outdoor in outlet passageway, the low gas of temperature leads to heat after heat exchange
It crosses fin and passes to evaporation ends, also have thermally conductive function with the metal outer wall of fluid, the two collective effect completes gas converting heat.Gas
After initially entering gas chamber, hotter gas first slow transits through loop heat pipe evaporator fin channels, with medium in loop circuit heat pipe
Heat exchange is completed, own temperature significantly reduces.Residual gas gos deep into gas chamber 7, is changed by cavity metal outer wall with external fluid
Heat, with the further heat exchange of gas, major refrigeration is provided by loop circuit heat pipe at this time.The evaporation ends 6 of the loop circuit heat pipe absorb
Liquid refrigerant is flashed to gaseous state by the heat of hot gas, then will by the loop circuit heat pipe condensation end 8 that gas chamber is externally wrapped with
Heat is conducted to external fluid, and gaseous working medium is made to be condensed into liquid, and anti-gravity loop circuit heat pipe has can make liquid reflux
Feature.
Preferably, preparing loop heat pipe capillary core using powder metallurgy process.Before starting, the evaporator of loop circuit heat pipe
It is full of working medium in capillary wick, additional cavity and perfusion tube, and is in two phases in steam channel, condenser and steam pipe.
Cooling chamber position using fluid it is cooling supplemented by, the collaboration heat exchange mode based on anti-gravity loop circuit heat pipe, can mention significantly
High gas cooling speed improves heat exchange amount.
Preferably, loop circuit heat pipe condensation end is wrapped in outside gas chamber, increase heat dissipation area.
Compared with prior art, the invention has the following advantages that
1) directly device is heated using the heat of sunlight in daylight abundance, and solar energy can be stored in
In heat storage medium in regenerative apparatus.When not having illumination, device is heated using the energy of storage, has been accomplished completely
Input energy sources are not needed, achieve the purpose that soil warming.
2) for loop circuit heat pipe as efficient heat transfer tool, principle is simple, compact-sized, can effectively increase air heat-exchange face
Product, significantly improves cooling efficiency.
3) loop circuit heat pipe condenser is wrapped in outside condensation chamber, is come into full contact with external soil, and opposite heat tube evaporation ends are increased
The heat dissipation of air improves cooling efficiency.
4) using microorganism as the undertaker of purification task, rather than chemical products, the surplus materials after soil sanitation are pair
Natural ecology structure is completely harmless and can be absorbed the substance utilized, therefore will not generate secondary pollution and will not consume newly
Chemical products.
5) undertaker of the microorganism as purification, maintenance cost is low, can be used for a long time and not have to put into new data, with me
Design device have perfect cooperation.
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 defined by the scope defined by the claims..
Claims (10)
1. a kind of solar energy loop circuit heat pipe system of microbe soil purification, which is characterized in that the system includes solar energy equipment
With loop circuit heat pipe device, the solar energy equipment includes solar thermal collector, heat exchanger and blower, and the heat exchanger connects the sun
Energy heat collector, air is input to heat exchanger by the blower, after being heated into hot-air in heat exchanger, is filled into loop circuit heat pipe
It sets；The loop circuit heat pipe device includes air inlet passageway, air outlet passage, loop circuit heat pipe and gas chamber, the loop
Heat pipe includes evaporation ends and condensation end, and the condensation end is arranged on the outer wall of gas chamber；The gas chamber is arranged in soil
In earth, along short transverse from top to lower part, the condensation end of loop circuit heat pipe is more next in the density of the winding of gas chamber's outer wall
It is bigger.
2. the system as claimed in claim 1, which is characterized in that along short transverse from top to lower part, loop circuit heat pipe it is cold
Solidifying end is continuously increased in the increasing amplitude of the density of the winding of gas chamber's outer wall.
3. the system as claimed in claim 1, which is characterized in that the outlet of air inlet passageway, air outlet passage entrance
It is connected to gas chamber, the hot-air is changed during introducing gas chamber from air inlet passageway with evaporation ends
Heat, condensation end is by heat transfer to the soil on gas chamber periphery.
4. the system as claimed in claim 1, which is characterized in that the loop circuit heat pipe is antigravity heat pipe, the evaporation ends position
In condensation end top, the condensation end, which leads to, is arranged capillary wick in the pipeline of evaporation ends.
5. the system as claimed in claim 1, which is characterized in that the gas chamber is flat structure.
6. system as claimed in claim 4, which is characterized in that some or all settings of the capillary wick are being evaporated
End.
7. the system as claimed in claim 1, which is characterized in that the evaporation ends include tedge, and the tedge is at least
A part setting capillary wick, to realize the effect of antigravity heat pipe；Capillary wick center setting condensation end flows to the pipe of evaporation ends
Road, the outside wall surface of evaporation ends is around the longitudinal vertical fin of setting；Air outlet passage be arranged in the vertical fin of adjacent two it
Between and with two adjacent vertical fin contacts；The down-comer of heat pipe be arranged between the vertical fin of adjacent two and with it is adjacent
Two vertical fin contacts；At least part of the tedge and down-comer is arranged in air inlet passageway.
8. the system as claimed in claim 1, which is characterized in that the top and bottom of the gas chamber are planar structure.
9. the system as claimed in claim 1, which is characterized in that multiple gas chamber, the multiple gas is arranged in the system
The gas inlet channel of chamber is parallel-connection structure.
10. the system as claimed in claim 1, which is characterized in that the condensation end be arranged in the top of gas chamber, lower part and
The outside wall surface of side.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810196438 | 2018-03-09 | ||
| CN201810196438X | 2018-03-09 |
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| CN110243080A true CN110243080A (en) | 2019-09-17 |
| CN110243080B CN110243080B (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810635888.4A Active CN110243080B (en) | 2018-03-09 | 2018-06-20 | Microbial soil purification solar loop heat pipe system with variable heat pipe density |
| CN201810636976.6A Withdrawn CN108801018A (en) | 2018-03-09 | 2018-06-20 | A kind of microbe soil purification solar energy loop circuit heat pipe system of heat pipe caliber height change |
| CN201810636600.5A Active CN110243081B (en) | 2018-03-09 | 2018-06-20 | Solar loop heat pipe system for purifying microbial soil |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810636976.6A Withdrawn CN108801018A (en) | 2018-03-09 | 2018-06-20 | A kind of microbe soil purification solar energy loop circuit heat pipe system of heat pipe caliber height change |
| CN201810636600.5A Active CN110243081B (en) | 2018-03-09 | 2018-06-20 | Solar loop heat pipe system for purifying microbial soil |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112556466A (en) * | 2019-09-26 | 2021-03-26 | 中北大学 | Temperature difference loop heat pipe system |
| CN113108491A (en) * | 2020-01-11 | 2021-07-13 | 青岛佰腾科技有限公司 | Solar heat collecting pipe |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631644A (en) * | 2018-12-03 | 2019-04-16 | 北京工业大学 | Runner preheating device between a kind of energy-saving narrow deep space under suitable adverse circumstances |
| CN111811302B (en) * | 2019-04-11 | 2021-11-30 | 山东大学 | Coil pipe type loop heat pipe |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN110243081A (en) | 2019-09-17 |
| CN110243080B (en) | 2020-08-11 |
| CN110243081B (en) | 2020-08-07 |
| CN108801018A (en) | 2018-11-13 |
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