CN108800548A - A kind of auxiliary reheat loop water-both with hot pipe - Google Patents
A kind of auxiliary reheat loop water-both with hot pipe Download PDFInfo
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- CN108800548A CN108800548A CN201810196001.6A CN201810196001A CN108800548A CN 108800548 A CN108800548 A CN 108800548A CN 201810196001 A CN201810196001 A CN 201810196001A CN 108800548 A CN108800548 A CN 108800548A
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- gas
- gas chamber
- evaporation ends
- shell
- condensation end
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
-
- 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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
Abstract
The present invention provides a kind of auxiliary reheat loop water-both with hot pipe, the water heater includes shell, fluid inlet, hot water outlet, gas inlet channel, Gas outlet channels, loop circuit heat pipe and gas chamber, cold water inlet, hot water outlet are separately positioned on shell, gas chamber's setting is in the housing, the electric heater of setting auxiliary heating in the shell, electric heater setting is multiple, and closer to gas chamber, the heating power of electric heater is lower and lower.The present invention proposes a kind of water heater of Novel structure, is changed by the way that electrical heating power is arranged, the homogeneous heating of whole water may be implemented.
Description
Technical field
The present invention relates to a kind of heat pipe loop circuit heat pipe water heaters.
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) invention is known as the heat transfer element of " heat pipe ", it takes full advantage of heat-conduction principle and is situated between with phase transformation
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 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, heat pipe is typically all the cycle of heat pipe to be realized by gravity, but such heat pipe is only suitable for lower part
The case where heat absorption top heat release, goes not being applicable in for the heat absorption lower part heat release of opposite top.Therefore it is directed to such situation, in this hair
In the pervious invention of person of good sense's energy, present inventor has performed improvement, have invented antigravity heat pipe.
It is essentially all to be steamed using gravity assisted heat pipe, and because of condensation end of heat pipe in current loop circuit heat pipe water heater
Caliber of starting is identical, causes heating surface area small, can not preferably expand heat exchange area, therefore in view of the above-mentioned problems, the present invention exists
It is improved on the basis of the invention of front, provides a kind of new loop circuit heat pipe water heater, further increase heat transfer effect.
Invention content
The present invention provides a kind of new loop circuit heat pipe water heaters, utilize the performance of antigravity heat pipe and its heat exchange of expansion
Area, to solve the technical issues of front occurs.
To achieve the goals above, technical scheme is as follows：
A kind of auxiliary reheat loop water-both with hot pipe, the water heater include shell, fluid inlet, hot water outlet, gas feed
Channel, Gas outlet channels, loop circuit heat pipe and gas chamber, cold water inlet, hot water outlet are separately positioned on shell, the gas
Fluid chamber is arranged in the housing, which is characterized in that the electric heater of setting auxiliary heating, electric heater setting in the shell
Multiple, closer to gas chamber, the heating power of electric heater is lower and lower.
Preferably, the heating power of electric heater it is lower amplitude it is increasing.
Preferably, the heat pipe includes evaporation ends and condensation end, the evaporation ends are located at condensation end top, the condensation
It holds in the pipeline for leading to evaporation ends and capillary wick is set, the condensation end is arranged on the outer wall of gas chamber；The gas chamber
In the housing, the loop circuit heat pipe is antigravity heat pipe for setting, the outlet of gas inlet channel, the entrance of Gas outlet channels with
Gas chamber is connected to, and the gas exchanges heat during introducing gas chamber from gas inlet channel with evaporation ends, cold
Solidifying end is by heat transfer to the fluid in shell.
Preferably, the condensation end is wound around the ring pipe of gas chamber's outer wall.
Preferably, some or all settings of the capillary wick are in evaporation ends.
Preferably, the inlet tube of gas inlet channel connection gas chamber, Gas outlet channels are arranged in gas chamber
Inlet tube in, and from the inlet tube side of gas chamber stretch out.
Preferably, the evaporation ends include tedge, capillary wick is arranged at least part of the tedge, to real
The effect of existing antigravity heat pipe；The centrally disposed condensation end of capillary wick 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 adjacent two vertical fins and with two adjacent vertical fins
Contact；The down-comer of heat pipe be arranged between adjacent two vertical fins and with two adjacent vertical fin contacts；It is described
At least part of ascent stage and descending branch is arranged in air inlet passageway.
Preferably, the fluid inlet is located at the downside of shell, hot water outlet is located at the upside of shell.
Preferably, an inlet tube part for gas chamber extends in shell, the gas chamber being located in shell is transversal
Area tapers into downwards along short transverse.
Preferably, the bottom of gas chamber is planar structure.
Preferably, the multiple gas chamber of setting, the gas inlet channel of the multiple gas chamber are in the shell
Parallel-connection structure.
Preferably, the inlet tube in gas chamber is arranged in evaporation ends, at least part of evaporation ends is filled with capillary wick,
The centrally disposed condensation end of capillary wick 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 adjacent two vertical fins and with two adjacent vertical wings
Piece contacts.
Preferably, evaporation ends flow direction condensation end pipeline be arranged between adjacent two vertical fins and with it is adjacent
Two vertical fin contacts.
The pipeline is multiple, and the Gas outlet channels are 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 4 exist
Adjacent evaporation ends flow between condensation end pipeline 9.
Further preferably, the evaporation ends flow to 9 center of condensation end pipeline and adjacent 4 centre distance of Gas outlet channels
It is identical；It is identical that 4 center of the Gas outlet channels with adjacent gas evaporation end flows to 9 centre distance of condensation end pipeline.
Preferably, the radius of Gas outlet channels 4 is R, the radius that evaporation ends flow to condensation end pipeline 9 is r, adjacent wing
Angle between piece 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.
Compared with prior art, the present invention has the advantage that：
1）The present invention proposes a kind of water heater of Novel structure, is changed by the way that electrical heating power is arranged, be may be implemented whole
The homogeneous heating of water.
2）The present invention proposes a kind of water heater of Novel structure, is exchanged heat using antigravity heat pipe, will be in gas
Heat transfer improves Btu utilization to the low-temperature receiver in water heater.
3）The present invention is wrapped in gas chamber's outer wall and the area of gas chamber by the condensation end of antigravity heat pipe
Expand, increases 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 increase the coefficient of heat transfer.
5）The 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 9 and adjacent fins is optimized, and further increases heat exchange efficiency.
Description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is that regarding for gas chamber's one embodiment of the present invention is intended to.
Fig. 3 is another embodiment sectional view of gas chamber of the present invention.
Fig. 4 is the sectional view of A-A in Fig. 3.
Fig. 5 is the structural schematic diagram of the heat pipe of the present invention.
Fig. 6 is that multiple evaporation ends of the present invention flow to condensation end pipeline（Descending branch）Structural schematic diagram.
Fig. 7 is the pipeline jointing construction schematic diagram of present invention setting capillary wick position.
Reference numeral is as follows：1 shell, 2 cold water inlets, 3 hot water outlets, 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）, 10 condensations
End flows to evaporation ends pipeline, 11 gas chamber's inlet tubes, 12 fins, 13 capillary wicks, 14 electric heaters.
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.
The specific implementation mode of the present invention is described in detail below in conjunction with the accompanying drawings.
A kind of anti-gravity loop circuit heat pipe, as shown in figure 5, the heat pipe includes evaporation ends 6 and condensation end 8, the evaporation ends 6
Positioned at 8 top of condensation end, 6 part setting of the evaporation ends in the fluid ascent stage, the fluid ascent stage evaporation ends at least
Part setting capillary wick 13, as shown in Figure 7.
Preferably, evaporation ends, which include evaporation ends, flows 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.
As shown in Figure 1, a kind of loop circuit heat pipe water heater, the water heater include shell 1, fluid inlet 2, hot water outlet 3,
Gas inlet channel 5, Gas outlet channels 4, loop circuit heat pipe and gas chamber 7, cold water inlet 2, hot water outlet 3 are separately positioned on
On shell 1, the heat pipe includes evaporation ends 6 and condensation end 8, and the evaporation ends 6 are located at 8 top of condensation end, and the condensation end 8 is logical
Capillary wick 13 is set into the pipeline of evaporation ends 6, and the condensation end 8 is arranged on the outer wall of gas chamber 7；The gas chamber
Within the case 1, the loop circuit heat pipe is antigravity heat pipe as described in Figure 5, and the outlet 5 of gas inlet channel, gas go out for 7 settings
The entrance in mouthful channel 4 is connected to gas chamber 7, the gas from gas inlet channel 5 be introduced into gas chamber 7 during and
Evaporation ends 6 exchange heat, and condensation end 8 is by heat transfer to the fluid in shell 1.
The present invention provides a kind of water heaters of the loop circuit heat pipe of Novel structure, are used as efficient biography by the way that loop circuit heat pipe is arranged
Hot tool, principle is simple, compact-sized, significantly improves cooling efficiency.
Preferably, the electric heater that setting auxiliary heats in the shell 1.When shortage of heat, pass through electricity
Heater supplementary heating.
Further there is choosing, the electric heater is symmetrical along the central axis of shell 1, as shown in Figure 1.
Preferably, electric heater setting is multiple, closer to gas chamber 7, the heating power of electric heater 14 is increasingly
It is low.Further there is choosing, closer to gas chamber 7, the amplitude that the heating power of electric heater 14 is lower is increasing.Mainly because
For closer to gas chamber 7, temperature is higher, is changed by the way that electrical heating power is arranged, the homogeneous heating of whole water may be implemented.
Preferably, at least part of the evaporation ends 6 of loop circuit heat pipe is mounted on 7 inlet of gas chamber.
Preferably, the gas inlet channel 5 is arranged at least partially in 7 inlet tube of gas chamber, gas chamber 7
At least part setting of inlet tube is within the case 1.By so set, the gas in gas inlet channel 5 can be made straight
The heat exchange for participating in the fluid in shell 1 is connect, makes gas under the collective effect of fluid and loop circuit heat pipe, it is further cooling, it improves
Heat transfer effect.
Preferably, gas chamber 7 is made of Heat Conduction Material, preferably metal, such as copper, aluminium.Pass through gas chamber
Material so that the heat of gas can outward be transmitted by chamber, to increase a kind of heat exchange mode so that the heat of gas
Amount passes to external fluid by loop circuit heat pipe, gas chamber.
Preferably, the gas is exhaust gas either hot-air.
Further preferably, the inlet tube of gas chamber 7 connects gas inlet channel.
Preferably, as shown in figure 3, the gas chamber 7 is downward from the position of connection inlet tube, be initially just diameter by
Gradual change is big, and diameter starts to taper into after then having arrived certain position.Be conducive to gas in air chamber indoor moveable, complete gas
Cycle, and increase the heat exchange efficiency between gas and air chamber locular wall.
Preferably, as shown in Figure 1, an inlet tube part for gas chamber 7 extends in shell, gas chamber 7 is transversal
Area is greater than the cross-sectional area of inlet tube 11.Gas chamber's cross-sectional area in shell is gradual downwards along short transverse
Become smaller.
Preferably, the average traversal area of gas chamber 7 is 15-30 times of the cross-sectional area of inlet tube 11.
Pass through said structure design so that the big increase of the heat exchange area of gas chamber, and make winding gas chamber
The also big increase of the length of the condensation end of heat pipe 8 of outer wall, increases heat exchange area, further improves heat transfer effect.
It finds under study for action, the heat source fluid in this water heater can only be gas, because if being liquid, then can lead to liquid
Body is all accumulated in chamber 7, it is difficult to is discharged, and because the cross-sectional area of chamber 7 is much larger than inlet pipeline so that excessive
The presence of liquid can cause, because of gravity, chamber 7 can not be made to be well fixed on shell, increase fixed difficulty,
Therefore the heat source in the application can only be gas.
Preferably, as shown in Figure 1, the bottom and top of gas chamber 7 are planar structure.
Preferably, the multiple gas chamber 7 of setting, the gas inlet channel 5 of the multiple gas chamber in the shell 1
For parallel-connection structure.
Preferably, the Gas outlet channels 5 of the multiple gas chamber are parallel-connection structure.
Preferably, the gas chamber 7 be hanging in the shell 1, the bottom of distance from bottom shell 1 with centainly away from
From.It designs in this way, fully bottom can be made to exchange heat with fluid.By hanging structure, also indicate that heat source cannot be liquid
Body, and it is only gas.
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
It is in direct contact with external source outside gas chamber.Loop circuit heat pipe condenser is wrapped in outside gas chamber, is filled with external water
Tap is touched, and the heat dissipation of opposite heat tube evaporation ends gas is increased, and improves cooling efficiency.
The condensation end is wound around the ring pipe of gas chamber's outer wall.
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 density of winding is increasing（It is between ring pipe and the spacing the old smaller）.Main cause is that heat is concentrated on lower part as possible
It exchanges heat, and lower part heat exchange amount is increasing, then the water of heating can be made to flow up, promote the sufficient convection current of water,
Enhance heat transfer effect.It is found through experiments that, 15% or so heat transfer effect can be further increased 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 density of winding be continuously increased.It is found through experiments that, 7% can be further increased by above structure
The heat transfer effect of left and right.
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 the way that capillary wick 13 is arranged, and capillary wick 13 is 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 shown in Fig. 3, Fig. 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 gas feed is pre-chilled in cold air.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, as shown in figure 4, the inlet tube in gas chamber is arranged in evaporation ends, the ascent stage of evaporation ends is filled with
Capillary wick 13, to provide sufficiently large capillary force, 13 centrally disposed condensation end of capillary wick 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 so that working medium reflux is more smooth, improves antigravity
The ascent stage outside wall surface of heat-transfer capability under state, evaporation ends increases heat exchange area, carries 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 low-temperature receiver contact start condense, when steam all condense
Afterwards, evaporator is returned to by evaporator capillary wick capillary force effect, to realize the cycle of working medium.
Preferably, being connected between pipeline 10 and capillary wick 13.By connection, can realize capillary wick 13 and pipeline 10 it
Between fluid circulation so that liquid is by capillary wick uphill process, if generate larger 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 ensure 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, 20% or more suction can be improved 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 in capillary wick, and liquid is constantly flowed to evaporation ends.In flow process, liquid is not
Disconnected heat absorption, then because temperature caused by heat absorption increases, density becomes smaller, therefore because of variable density reason, the hair for making it need
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.
It is formed preferably, pipeline is the through-hole opened up among capillary wick.
Preferably, as shown in fig. 7, the caliber of the heat pipe position of setting capillary wick is more 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 tubule warp in junction is connected by contractibility.The variation of the caliber of contractibility is linear change.
Preferably, Gas outlet channels 4 are arranged between adjacent two vertical fins 12 and are erected 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.
It is arranged at adjacent two vertically preferably, the condensation end evaporation ends of evaporation ends flow direction flow to condensation end pipeline 9
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 avoids generating steam superheating in the antigravity evaporator of ground, to slow down the temperature in heat pipe start-up course
Spend 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 so that two above-mentioned diabatic processes can be achieved at the same time, and play respective action.
Further preferably, the evaporation ends flow to the diameter of condensation end pipeline 9 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 arranged, such as scheme
4, shown in 6.Condensation end pipeline 9 is flowed to by the way that multiple evaporation ends are arranged, it is more can so that the thermogenetic steam of evaporation ends suction passes through
A evaporation ends flow to condensation end pipeline 9 and enter condensation end, further augmentation of heat transfer, and because the fluid heat absorption in heat pipe is steamed
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, it is multiple that the evaporation ends, which flow to condensation end pipeline 9, 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, it is multiple that the evaporation ends, which flow to condensation end pipeline 9, and the Gas outlet channels 4 are 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 are flowed in adjacent evaporation ends between condensation end pipeline 9.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 the 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 in adjacent evaporation ends among condensation end pipeline 9.I.e. such as
Shown in Fig. 4, evaporation ends flow to the first line between the center of circle and the center of circle of evaporation ends 6 at 9 place of condensation end pipeline, 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 the center of circle of evaporation ends 6 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 between causing channel 4 and evaporation ends to flow to condensation end pipeline 9 is bad, causes overall heat exchange uneven,
Cause the distance that Gas outlet channels 4 and evaporation ends flow to the distribution of condensation end pipeline 9 too close if too small, causes close to inlet tube
The gas converting heat of the outer wall of the gas of 11 outer wall and/or close evaporation ends 6 is bad, and the gas in whole inlet tube 11 is caused to change
Heat is uneven；Same reason, the angle between adjacent fins 12 cannot be too big, and it is few to lead to be distributed 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
The uneven and heat transfer effect that exchanges heat is bad, and similarly, the angle between adjacent fins 12 cannot be too small, leads to fin if too small
Distribution is too close, and 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 it is uneven to exchange heat in such cases, causes heat transfer effect bad.
Therefore it needs to determine best 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 is to be obtained by a large amount of numerical simulations and experiment, and have higher than previous logarithmic function
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, described 3<R<10mm；Described 1.5<r<4.0mm；
Further preferably, the heat pipe caliber of setting capillary wick position 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, the caliber that condensation end flows to the pipeline of evaporation ends is 5.0-6.4mm；
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 is longitudinally extended accounts for
6 outer diameter of evaporation ends and the 95% of 4 internal diameter difference of Gas outlet channels.The overall heat exchange ability of fin significantly improves under this length, changes
Hot coefficient is 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 logical in the air inlet first
It exchanges heat with the low gas of opposite temperature for being discharged into outdoor in outlet passageway in road 5, the gas that temperature is low after heat exchange will
Heat passes to evaporation ends by fin, also has heat conduction function, the two collective effect to complete gas and change with the metal outer wall of fluid
Heat.After gas initially enters gas chamber, hotter gas first slow transits through loop heat pipe evaporator fin channels, with loop circuit heat pipe
Interior medium completes heat exchange, and own temperature significantly reduces.Residual gas gos deep into gas chamber 7, passes through cavity metal outer wall and the external world
Fluid heat transfer, with the further heat exchange of gas, major refrigeration is provided by loop circuit heat pipe at this time.The evaporation ends of the loop circuit heat pipe
6 absorb the heat of hot gas, and liquid refrigerant is flashed to gaseous state, are then condensed by the loop circuit heat pipe that gas chamber is externally wrapped with
Heat 8 is conducted to external source by end, and gaseous working medium is made to be condensed into liquid, and anti-gravity loop circuit heat pipe has liquid can be made to return
The characteristics of stream.
Preferably, preparing loop heat pipe capillary core using powder metallurgy process.Before startup, the evaporator of loop circuit heat pipe
It is full of working medium in capillary wick, additional cavity and woven hose, and is in two phases in steam channel, condenser and steam pipe.
Cooling chamber position using low-temperature receiver cooling supplemented by, the collaboration heat exchange mode based on anti-gravity loop circuit heat pipe, can carry significantly
High gas cooling speed improves water yield.
Preferably, loop circuit heat pipe condensation end is wrapped in outside gas chamber, increase heat dissipation area.
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 (10)
1. a kind of auxiliary reheat loop water-both with hot pipe, the water heater include shell, fluid inlet, hot water outlet, gas into
Mouth channel, Gas outlet channels, loop circuit heat pipe and gas chamber, cold water inlet, hot water outlet are separately positioned on shell, described
Gas chamber is arranged in the housing, which is characterized in that the electric heater of setting auxiliary heating, electric heater are set in the shell
Set multiple, closer to gas chamber, the heating power of electric heater is lower and lower.
2. water heater as described in claim 1, closer to gas chamber, the amplitude that the heating power of electric heater is lower is more next
It is bigger.
3. water heater as described in claim 1, the evaporation ends are located at condensation end top, and the condensation end leads to evaporation ends
Capillary wick is set in pipeline, and the condensation end is arranged on the outer wall of gas chamber；The gas chamber is arranged in the housing, institute
It is antigravity heat pipe to state loop circuit heat pipe, and the outlet of gas inlet channel, the entrance of Gas outlet channels are connected to gas chamber, institute
It states during gas is introduced into gas chamber from gas inlet channel and exchanges heat with evaporation ends, condensation end is by heat transfer to shell
Internal fluid.
4. water heater as described in claim 1, which is characterized in that the condensation end is wound around the annular of gas chamber's outer wall
Pipe.
5. water heater as described in claim 1, which is characterized in that some or all settings of the capillary wick are being evaporated
End.
6. water heater as claimed in claim 5, which is characterized in that the evaporation ends include tedge, and the tedge is extremely
Few part setting capillary wick, to realize the effect of antigravity heat pipe；The outside wall surface of evaporation ends is around the longitudinal vertical wing of setting
Piece；Air outlet passage be arranged between adjacent two vertical fins and with two adjacent vertical fin contacts；Heat pipe
Down-comer be arranged between adjacent two vertical fins and with two adjacent vertical fin contacts；The ascent stage is under
At least part for dropping section is arranged in air inlet passageway.
7. water heater as described in claim 1, which is characterized in that the fluid inlet is located at the downside of shell, hot water outlet
Positioned at the upside of shell.
8. water heater as described in claim 1, which is characterized in that an inlet tube part for gas chamber extends in shell,
Gas chamber's cross-sectional area in shell tapers into downwards along short transverse.
9. water heater as claimed in claim 8, which is characterized in that the top and bottom of gas chamber are planar structure.
10. water heater as claimed in claim 9, which is characterized in that the multiple gas chamber of setting in the shell, it is the multiple
The gas inlet channel of gas chamber is parallel-connection structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810196001.6A CN108800548B (en) | 2018-03-09 | 2018-03-09 | A kind of auxiliary reheat loop water-both with hot pipe |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810196001.6A CN108800548B (en) | 2018-03-09 | 2018-03-09 | A kind of auxiliary reheat loop water-both with hot pipe |
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| CN108800548B CN108800548B (en) | 2019-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117835466A (en) * | 2024-03-05 | 2024-04-05 | 西安天隆科技有限公司 | Thermoelectric circulation heating device with auxiliary heat and PCR equipment |
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| CH699989A2 (en) * | 2008-11-29 | 2010-05-31 | Daniel Walser | Stationary heating installation for building, has heat pipe coupling heat pump with thermal receiver in manner to extract calories of hot gas output from compressor of heat pump and transmitting calories of hot gas to thermal receiver |
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| CN108800548B (en) | 2019-10-25 |
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