CN107664449A - A kind of heat pipe of heat stepwise - Google Patents
A kind of heat pipe of heat stepwise Download PDFInfo
- Publication number
- CN107664449A CN107664449A CN201610608342.0A CN201610608342A CN107664449A CN 107664449 A CN107664449 A CN 107664449A CN 201610608342 A CN201610608342 A CN 201610608342A CN 107664449 A CN107664449 A CN 107664449A
- Authority
- CN
- China
- Prior art keywords
- pipe
- heat
- lower collector
- collector pipe
- upper header
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- F28D15/025—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 having non-capillary condensate return means
-
- 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
-
- 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
- F28D15/06—Control arrangements therefor
Abstract
The invention provides a kind of heat pipe, including lower collector pipe, upper header, heat-exchanging tube bundle and return duct, the heat-exchanging tube bundle is connected with lower collector pipe and upper header, the lower collector pipe is evaporation ends, the condensation end includes upper header, the fluid absorbs heat evaporation in lower collector pipe, is condensed in upper header, the fluid of condensation returns to lower collector pipe by return duct；Return duct connects the position of lower collector pipe and the both side ends of upper header, and electric heater unit is set in the lower collector pipe；The electric heater unit is divided into multistage, and different sections use different heating powers.The present invention further improves the efficiency of heating surface, improves the heat exchange efficiency of heat pipe by setting the segmentation of the physical dimension of electric heater unit to change.
Description
Technical field
The invention belongs to heat pipe field, more particularly to a kind of coil pipe heat pipe.
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 referred to as the heat transfer element of " heat pipe ", and it takes full advantage of heat-conduction principle and is situated between with phase transformation
The quick thermal transport property of matter, the heat of thermal objects is delivered to outside thermal source rapidly through heat pipe, its capacity of heat transmission, which exceedes, appoints
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 radiating effect by high air quantity motor
One radiating mode, using hot pipe technique so that radiator obtains satisfied heat transfer effect, open radiating industry new world.At present
Heat pipe is widely used in various heat transmission equipments, including nuclear power field, such as UTILIZATION OF VESIDUAL HEAT IN of nuclear power etc..
Heat pipe of the prior art is all inactive state in heat transfer process, relies solely on the radiating of condensation end of heat pipe, is permitted
That invents improves the improvement of the structure for the augmentation of heat transfer for being also only condensation end more.On the other hand, in the prior art not to heat
The diverse location of pipe uses different heating powers, causes the efficiency of heat pipe low.
In view of the above-mentioned problems, the invention provides a kind of new heat pipe, so as to solve the heat exchange in the case of heat pipe heat exchanging
Coefficient is low and its exchanges heat the problem of uneven.
The content of the invention
The invention provides a kind of new heat pipe, so as to solve the technical problem above occurred.
To achieve these goals, technical scheme is as follows：
A kind of heat pipe, including lower collector pipe, upper header, heat-exchanging tube bundle and return duct, the heat-exchanging tube bundle and lower collector pipe and upper header
It is connected, the lower collector pipe is evaporation ends, and the condensation end includes upper header, and the fluid absorbs heat evaporation in lower collector pipe,
Condensed in upper header, the fluid of condensation returns to lower collector pipe by return duct；Return duct connects lower collector pipe and the two side ends of upper header
The position in portion, electric heater unit is set in the lower collector pipe；The electric heater unit is divided into multistage, state electric heater unit be divided into it is more
Section, different sections use different heating powers.
It is it is preferred that continuous to the both ends of lower collector pipe, the heating power of the electric heater unit of the different sections from the middle part of lower collector pipe
Reduction.
Preferably, from the middle part of lower collector pipe 1 to the both ends of lower collector pipe, the heating power of the electric heater unit of different sections is not
The amplitude of disconnected reduction is increasing.
Preferably, the electric heater unit is electrically heated rod.
Preferably, the electric heater unit is located at the position between the medium position of lower collector pipe and bottom.
Preferably, the heat-exchanging tube bundle is coil pipe, each coil pipe includes more heat exchanger tubes of circular arc, adjacent heat exchange tubes
End connection, more heat exchanger tubes is formed cascaded structures, and cause the end of heat exchanger tube to form heat exchanger tube free end
Preferably, the electric heater unit center line and lower collector pipe center line distance be lower collector pipe pipe inside radius
1/4-1/3。
Preferably, the center line of the heat exchanger tube of more circular arc is the circular arc of concentric circles.
Preferably, the concentric circles is the circle using the center of the cross section of upper header as the center of circle.
Preferably, the coil pipe is multiple, the multiple coil pipe is parallel-connection structure.
Preferably, the internal diameter of lower collector pipe is R1, the internal diameter of upper header is R2, and the external diameter of heat exchanger tube is D, adjacent heat exchange tubes
The distance of center line be L, meet following relation：
10*（R1/R2）=a-b*Ln (5*D/L), wherein Ln are logarithmic functions, and a, b are coefficients,
Wherein 17.03<a<18.12,9.15<b<10.11；
55mm<R1<100mm；95mm<R2<145mm；
25mm<D<80mm；40mm<L<120mm；
0.45<R1/R2<0.88；
0.5<D/L<0.7。
Preferably, a=17.54, b=9.68.
Preferably, the position of return duct connection lower collector pipe and the both side ends of upper header.
Preferably, the caliber of the lower collector pipe is less than the caliber of upper header.
Preferably, the internal diameter of lower collector pipe is R1, the internal diameter of upper header is R2, then 0.45<R1/R2<0.88.
Preferably, the coil pipe is multiple, the multiple coil pipe is parallel-connection structure.
Preferably, as the center apart from lower collector pipe is more remote, the distance between adjacent heat exchange tubes are increasing.
Compared with prior art, plate type heat exchanger of the invention and its heat exchange tube wall have the following advantages：
1）By the change of the heating power of the segmentation that sets electrically heated rod, the efficiency of heating surface is further improved, improves heat
The heat exchange efficiency of pipe.
2）By setting control device so that can more meet to be actually needed during the use of heat pipe, user can
To control the application temperature of heat pipe as needed, avoid conventional heat pipe can not carry out temperature control well and caused mistake
Heat or surfusion, furthermore achieved that the automation of heat pipe equipment and its popularity of application field.
3）The invention provides a kind of new-type electric heating heat pipe, by setting electric heater unit in heat pipe, electric energy is utilized
To be exchanged heat, single and its thermal source the limitation of the application of conventional heat pipe is avoided so that the application field of heat pipe is more
Extensively, the purpose of environmental protection and energy saving can be reached, improve the utilization ratio of heat pipe.
4）Present invention firstly provides the heat pipe structure of coiled, also, pass through meeting after setting coil pipe, heat exchanging fluid heated
Volumetric expansion is produced, induction coil pipe free end produces vibration.So that surrounding fluid forms further flow-disturbing, further strengthen
Heat transfer.
5）Distance change of the present invention to the pipe diameter size of coil heat exchange pipe and tube pitch apart from the center line of lower collector pipe
Setting, further increase the heat transfer effect of heat pipe.
6）The present invention optimizes the best relation of the parameter of heat pipe, so as to further improve heat exchange by largely testing
Efficiency.
Brief description of the drawings
Fig. 1 is heat-pipe apparatus front schematic view.
Fig. 2 is the Section A-A view in Fig. 1.
Fig. 3 is the scale diagrams of Fig. 2 structures.
Fig. 4 is the structural representation of Fig. 1 setting electric heater unit.
Fig. 5 is the structural representation optimized in Fig. 4.
Fig. 6 is the structural representation of the electric heater unit of parabolic sectional shape.
In figure：1st, lower collector pipe, 2, upper header, 3, coil pipe, 4, heat exchanger tube, 5, return duct, 6, free end, 7, free end, 8,
Electric heater unit, 9 vacuum extractors, 10 power supplys.
Embodiment
The embodiment 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, "/" represents division, and "×", " * " represent multiplication.
It is an object of the present invention to provide an electrically heated heat pipe, such as Figure 4-Figure 6.
A kind of heat pipe, including lower collector pipe 1, upper header 2, heat-exchanging tube bundle and return duct 5, the heat-exchanging tube bundle and lower collector pipe 1
It is connected with upper header 2, the lower collector pipe 1 is evaporation ends, and the condensation end includes upper header 2, and the fluid is in lower collector pipe 1
Heat absorption evaporation, is condensed in upper header 2, and the fluid of condensation returns to lower collector pipe 1 by return duct；Return duct connects the He of lower collector pipe 1
The position of the both side ends of upper header 2, electric heater unit 8 is set in the lower collector pipe 1；The heat pipe also includes temperature control system
System, the temperature control system are used to control the vapor (steam) temperature in heat pipe.
Lower collector pipe 1, upper header 2 and the heat-exchanging tube bundle of heat pipe constitute the passage of fluid circulation.It is provided with and takes out on upper header 2
The inner chamber of lower collector pipe 1, upper header 2 and heat-exchanging tube bundle is evacuated, then by vacuum tube 9, vavuum pump by vacuum orifice pipe 9
Appropriate heat-transfer fluid is poured into by vacuum-pumping tube 9, heat-transfer fluid is finally flowed into lower collector pipe 1.Treat the injection of heat-transfer fluid
Measure after reaching normal capacity, then vacuum-pumping tube 9 is sealed.
Preferably, setting electric heater unit 8 in the lower collector pipe 1, heated using electric heating feeder apparatus 8 in lower collector pipe 1
Fluid.The fluid absorbs electric heating evaporation in lower collector pipe 1, is exchanged heat by least a portion and upper header 2 of coil pipe 3
Afterwards, condensed in upper header 2, the fluid of condensation returns to lower collector pipe 1 by return duct 5.
Preferably, the cross section of electric heater unit 8 is preferably circular.
Preferably, electric heater unit 8 is electrically heated rod.
Preferably, the electric heater unit 8 is located at below the medium position of lower collector pipe 1, i.e., described electric heater unit position
Position between the medium position of lower collector pipe and bottom.
Preferably, the center line of the electric heater unit 8 and the distance of center line of lower collector pipe are in the pipe of lower collector pipe 1
The 1/4-1/3 of radius.
It is found through experiments that, this position can reach the optimal of heating effect, so as to reach the optimal of heat transfer effect.
Preferably, the heat pipe also includes temperature control system, the temperature control system is used to control in heat pipe
Vapor (steam) temperature.Temperature sensor is set in the heat-exchanging tube bundle, for measuring the temperature of the steam generated in coil pipe.Heating rod leads to
Electrical heating, heated rear fluid are atomized rapidly under vacuum conditions, riddle each heat-exchanging tube bundle, upper header 2, lower collector pipe 1.Work as temperature
The temperature of sensor measurement reaches the first predetermined temperature, temperature controller control heater stop heating, works as TEMP
The temperature of device measurement is less than predetermined second temperature, and temperature controller control heating rod is heated.
Preferably, first temperature is identical with second temperature.
Preferably, the first temperature is higher than 5-20 degrees Celsius of second temperature.Preferably 8-13 degrees Celsius.
Preferably, the electric heater unit 8 is from the middle part of lower collector pipe 1（Such as the M positions in Fig. 5）To the two of lower collector pipe
End（Such as E, F position in Fig. 5）, heating power constantly reduces.That is the medium position heating power highest of electric calorifie installation 8, two
The heating power at end is minimum.
Preferably, constantly reduced from the middle part of lower collector pipe 1 to the both ends of lower collector pipe, the heating power of electric heater unit
Amplitude it is increasing.
By the design of above-mentioned optimization, heat exchange efficiency can be further improved.It is found through experiments that, passes through above-mentioned setting
Heat exchange efficiency can be improved.
Preferably, the electric heater unit 8 divides for multistage, from the middle part of lower collector pipe 1（Such as the M positions in Fig. 5）To
The both ends of lower collector pipe（Such as E, F position in Fig. 5）, the heating power of the electric heater unit of the different sections constantly reduces.
I.e. the medium position heating power highest of electric calorifie installation 8, the heating power at both ends are minimum.
Preferably, from the middle part of lower collector pipe 1 to the both ends of lower collector pipe 1, the heating power of the electric heater unit of different sections
The amplitude of continuous reduction is increasing.
By the design of above-mentioned optimization, on the one hand it is easy to process, can further improves heat exchange efficiency.Sent out by testing
It is existing, 15% or so heat exchange efficiency can be improved by above-mentioned setting.
Fig. 5 illustrates electric heater unit 8 and divides structure for multistage.Different sections use different heating powers.
The electric heater unit is by the way of resistance heating.
Preferably, the electric heater unit is rod resistance.Preferably, quantity is one or more.
Preferably, the electric heater unit is resistance wire.Preferably, quantity is one or more.
Preferably, the electric heater unit（As one or more preferred rod resistance or one or more
Resistance wire）From the middle part of lower collector pipe 1 to the both ends of lower collector pipe, the external diameter of electric heater unit is increasing, i.e., electric heater unit is got over
Come thicker.That is electric calorifie installation medium position is most thin, both ends it is most thick.Such as shown in Figure 5,6, by above-mentioned optimal design-aside,
It is different to reach the heating power of electric heater unit diverse location, so as to improve electrically heated efficiency.
Preferably, from the middle part of lower collector pipe 1 to the both ends of lower collector pipe, the big amplitude of electric heater unit external diameter change is increasingly
Greatly.
Change by using external diameter so that middle resistance is maximum, and heat generation rate is maximum so that fluid evaporator, is opened to both ends
Originating heating rate gradually reduces, and cold fluid flows down from both ends, so as to improve the heat exchange efficiency of heat pipe.
It is found through experiments that, passes through above-mentioned optimal design-aside so that electrically heated utilization ratio highest so that heat pipe reaches
Optimal electric heating utilization ratio, it is possible to increase 10% or so heat utilization efficiency.
Preferably, the outer shape of electric heater unit is parabolical shape, as shown in Figure 6.
Preferably, fluid is water.
Further preferably, the heat-exchanging tube bundle is coil pipe, and the heat pipe of specific setting coil pipe is described as follows：
As shown in Figure 1, the heat pipe, including lower collector pipe 1, upper header 2, coil pipe 3 and return duct 5, the coil pipe 3 and lower collector pipe
1 is connected with upper header 2, and the lower collector pipe 1 is evaporation ends, and the condensation end includes at least one of upper header 2 and coil pipe 3
Point, fluid heat absorption evaporation in lower collector pipe 1, after at least a portion and upper header 2 of coil pipe 3 are exchanged heat, upper
Condensed in collector 2, the fluid of condensation returns to lower collector pipe 1 by return duct 5.
Preferably, coil pipe 3 is one or more, for example, Fig. 1 illustrates multiple coil pipes 3.
As shown in figure 1, upper header 2 is located at the top of lower collector pipe 1.
As shown in Fig. 2 each coil pipe 3 includes more heat exchanger tubes 4 of circular arc, the end connection of adjacent heat exchange tubes 4, make more
Root heat exchanger tube 4 forms cascaded structure, and causes the end of heat exchanger tube 4 to form heat exchanger tube free end 6,7.
Heat pipe is exchanged heat when being operated by upper header 2 and coil pipe 3 with other fluids.Other fluids can be with
Only the part with coil pipe 3 is exchanged heat, such as the part of the coil pipe 3 being connected with lower collector pipe 1 in Fig. 2 is not involved in exchanging heat.
Preferably, the part for being not involved in heat exchange is adiabatic end.I.e. now heat pipe includes evaporation ends, condensation end and thermal insulation
End, wherein evaporation ends are lower collector pipes 1, and adiabatic end is a part for the coil pipe 3 being connected with lower collector pipe 1, and remainder is condensation end.
Preferably, only using lower collector pipe 1 as evaporation ends, upper header 2 and coil pipe as condensation end, without adiabatic end.
The invention provides a kind of heat pipe of new structure, by the way that volume can be produced after setting coil pipe, heat exchanging fluid heated
Expansion, so as to form steam, and the volume of steam is far longer than water, therefore the steam formed can carry out quick washing in coil pipe
The flowing of formula.Because volumetric expansion and the flowing of steam, the free end 6,7 of coil pipe 1 can be induced to produce vibration, heat exchanger tube is free
End 6,7 vibration is transferred to during the vibration around heat exchanging fluid, fluid can also produce disturbance between each other so that
Heat exchanging fluid around obtaining forms flow-disturbing, boundary layer is destroyed, so as to realize the purpose of augmentation of heat transfer.
It is found through experiments that, relative to the heat pipe for being constantly in static condition of prior art, heat exchange efficiency improves 25-
35%.
Preferably, the lower collector pipe 1, upper header 2 and coil pipe 3 are all circular tube structures.
Preferably, return duct 5 connects the position of lower collector pipe 1 and the both side ends of upper header 2.So ensure fluid upper
Flow path length in collector 2, can further increase heat-exchange time, improve heat exchange efficiency.
Preferably, heat exchanger tube 4 is elastic heat exchanger tube.Heat exchanger tube 4 is set into elastic heat exchanger tube, can further be increased certainly
By the flow-disturbing held, the coefficient of heat transfer can be further improved.
Preferably, the center line of the heat exchanger tube 4 of more circular arc is the circular arc of concentric circles.
Preferably, the concentric circles is the circle using the center of upper header 2 as the center of circle.I.e. the heat exchanger tube 4 of coil pipe 3 around
The center line arrangement of upper header 2.
As shown in Fig. 2 heat exchanger tube 4 is not a complete circle, but reserve an oral area, so as to formed heat exchanger tube from
By holding.Angle where the circular arc of the oral area is 70-120 degree, i.e. Fig. 3 angles b and c sum is 70-120 degree.
Preferably, the caliber of the lower collector pipe 1 is less than the caliber of upper header 2.
The internal diameter of lower collector pipe is R1, and the internal diameter of upper header is R2, as preferably then 0.45<R1/R2<0.88.
By above-mentioned setting, can further augmentation of heat transfer, improve 8-15% heat exchange efficiency.
Preferably, with more remote apart from the center of upper header 2, the distance between adjacent heat exchange tubes 4 are increasing.Such as
As shown in Fig. 2 along the center of upper header 2 for the center of circle the distance between radial direction, heat exchanger tube BC be more than AB between away from
From the distance between heat exchanger tube CD is more than the distance between BC.
Preferably, the increasing amplitude of the distance between adjacent heat exchange tubes 4 constantly increases.
It is preferably provided with by above-mentioned, can further improves heat exchange efficiency, increases the uniformity of the heat distribution of heat exchange.
It is found through experiments that, 8-12% heat exchange efficiency can be improved by above-mentioned setting.
Preferably, with more remote apart from the center of upper header 2, the diameter of heat exchanger tube 4 is increasing.
Preferably, the increasing amplitude of the diameter of heat exchanger tube 4 constantly increases.
It is preferably provided with by above-mentioned, can further improves heat exchange efficiency, increases the uniformity of heat exchange.Sent out by testing
It is existing, 10% or so heat exchange efficiency can be improved by above-mentioned setting.
Preferably, as shown in figure 1, the coil pipe 4 is multiple, the multiple coil pipe 4 is parallel-connection structure.
In experiments it is found that the distance between lower collector pipe 1, upper header 2 and heat exchanger tube 4 relation can exchange the thermal efficiency with
And uniformity has an impact.If distance is excessive between heat exchanger tube 4, heat exchange efficiency is too poor, and the distance between heat exchanger tube 4 is too
Small, then heat exchanger tube 4 is distributed too close, can also influence heat exchange efficiency, the liquid of the pipe diameter size influence receiving of collector and heat exchanger tube
Or the volume of steam, then the vibration for free end 6,7 can have an impact, so as to influence to exchange heat.Therefore lower collector pipe 1, upper collection
The distance between the size of the caliber of pipe 2 and heat exchanger tube 4 have certain relation.
The present invention is the optimal size relationship summed up by the test data of multiple various sizes of heat pipes.From heat exchange
Heat exchange amount maximum in effect is set out, and calculates nearly 200 kinds of forms.Described size relationship is as follows：
The internal diameter of lower collector pipe is R1, and the internal diameter of upper header is R2, and the external diameter of heat exchanger tube is D, the center line of adjacent heat exchange tubes away from
From being L, meet following relation：
10*（R1/R2）=a-b*Ln (5*D/L), wherein Ln are logarithmic functions, and a, b are coefficients,
Wherein 17.03<a<18.12,9.15<b<10.11；
55mm<R1<100mm；95mm<R2<145mm；
25mm<D<80mm；40mm<L<120mm；
0.45<R1/R2<0.88；Preferably 0.5-0.8, more preferably 0.59<R1/R2<0.71；
0.5<D/L<0.7；It is preferred that 0.58<D/L<0.66.
Preferably, 17.32<a<17.72,9.45<b<9.91；
Further preferably, a=17.54, b=9.68.
Preferably, the quantity of heat exchanger tube is 3-5 roots, preferably 3 or 4.
Preferably, with R1/R2 increase, a numerical value constantly increases, and b numerical value constantly reduces.By this
Change so that the structural parameters of heat pipe more optimize rationally, and the data of calculating are more accurate.
Lower collector pipe 1 and the distance of the center line of upper header 2 are 320-380mm；Preferably 340-360mm.
Preferably, the radius of heat exchanger tube is preferably 10-40mm；Preferably 15-35mm, more preferably 20-
30mm。
If the diameter of adjacent heat exchanger tube is different, diameter D values being averaged for adjacent heat exchanger tube diameter of heat exchanger tube
Value.
Further preferably, the center line of same coil heat exchange pipe 4 is in the same plane.Preferably, the plane is hung down
The plane formed as the center line of lower collector pipe 1 and upper header 2.Preferably, what the center line of different coil heat exchange pipes 4 was formed
Plane is parallel to each other.
Further preferably, the distance between adjacent coil pipe 3 is 2.8-3.6 times of the outer dia of coil heat exchange pipe 4.Adjacent disc
The distance between pipe 3 is calculated with the distance between plane where the center line of coil heat exchange pipe 4.
Further preferably, if coil heat exchange pipe diameter is different, the average value of the diameter of the heat exchanger tube of same coil pipe is taken
It is used as the average diameter of coil pipe.Such as heat pipe A-D average value is taken shown in Fig. 2.Then two adjacent coil pipes 3 is straight
Footpath average value calculates the distance of adjacent coil pipe.
Preferably, end part aligning of the heat exchanger tube in the free end 6,7 of the same side, in approximately the same plane, end is prolonged
Long line（Or the plane where end）By the center line of lower collector pipe 1, as shown in Figure 3.
Preferably, as shown in Fig. 2 the first end of the inner side heat exchanger tube of coil pipe 3 is connected with upper header 2, the second end and phase
Adjacent outside heat exchanger tube one end connection, one end of the outermost heat exchanger tube of coil pipe 3 are connected with lower collector pipe 1, adjacent heat exchanger tube
End connects, so as to form the structure of a series connection.
Preferably, the plane where the line at the center of lower collector pipe 1 and upper header 2 is vertical direction.
As shown in figure 3, the folder that the plane where first end 6 is formed with the plane where lower collector pipe 1 and the center line of upper header 2
Angle c is 40-65 degree.
The angle b that plane where second end 7 is formed with the plane where lower collector pipe 1 and the center line of upper header 2 is 55-
65 degree.
Pass through the design of above-mentioned preferable angle so that the vibration of free end reaches optimal, so that heat exchange efficiency reaches
To optimal.
As shown in Fig. 2 the heat exchanger tube 4 of coil pipe is 4, heat exchanger tube A, B, C, D UNICOMs.Certainly, four are not limited to, can be with
It is arranged as required to multiple, specific attachment structure is identical with Fig. 2.
The coil pipe 3 is multiple, and multiple floating coiled pipes 1 independently connect lower collector pipe 1 and upper header 2, i.e., multiple floatings
Coil pipe 1 is parallel-connection structure.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, it can make various changes or modifications, therefore protection scope of the present invention should
It is defined when by claim limited range.
Claims (10)
1. a kind of heat pipe, including lower collector pipe, upper header, heat-exchanging tube bundle and return duct, the heat-exchanging tube bundle and lower collector pipe and upper collection
Pipe is connected, and the lower collector pipe is evaporation ends, and the condensation end includes upper header, and the fluid absorbs heat evaporation in lower collector pipe,
Condensed in upper header, the fluid of condensation returns to lower collector pipe by return duct；Return duct connects the both sides of lower collector pipe and upper header
The position of end, electric heater unit is set in the lower collector pipe；The electric heater unit is divided into multistage, and different sections are using different
Heating power.
2. heat pipe as claimed in claim 1, filled from the middle part of lower collector pipe to the both ends of lower collector pipe, the electrical heating of the different sections
The heating power put constantly is reduced.
3. heat pipe as claimed in claim 1, it is characterised in that from the middle part of lower collector pipe 1 to the both ends of lower collector pipe, different sections
The amplitude of the continuous reduction of heating power of electric heater unit is increasing.
4. heat pipe as claimed in claim 1, it is characterised in that the electric heater unit is located at medium position and the bottom of lower collector pipe
Position between portion.
5. heat pipe as claimed in claim 4, it is characterised in that the center line of the electric heater unit and the center line of lower collector pipe
Distance be lower collector pipe pipe inside radius 1/4-1/3.
6. heat pipe as claimed in claim 1, it is characterised in that the heat-exchanging tube bundle is coil pipe, and each coil pipe includes circular arc
More heat exchanger tubes, the end connection of adjacent heat exchange tubes, more heat exchanger tubes is formed cascaded structures, and cause the end of heat exchanger tube
Portion forms heat exchanger tube free end, and the center line of the heat exchanger tube of more circular arc is the circular arc of concentric circles.
7. heat pipe as claimed in claim 6, it is characterised in that the concentric circles is using the center of the cross section of upper header as circle
The circle of the heart.
8. heat pipe as claimed in claim 1, it is characterised in that the coil pipe is multiple, and the multiple coil pipe is parallel-connection structure.
9. heat pipe as claimed in claim 7, it is characterised in that the internal diameter of lower collector pipe is R1, and the internal diameter of upper header is R2, heat exchange
The external diameter of pipe is D, and the distance of the center line of adjacent heat exchange tubes is L, meets following relation：
10*（R1/R2）=a-b*Ln (5*D/L), wherein Ln are logarithmic functions, and a, b are coefficients,
Wherein 17.03<a<18.12,9.15<b<10.11；
55mm<R1<100mm；95mm<R2<145mm；
25mm<D<80mm；40mm<L<120mm；
0.45<R1/R2<0.88；
0.5<D/L<0.7。
10. heat pipe as claimed in claim 9, it is characterised in that a=17.54, b=9.68.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811388097.2A CN109506505B (en) | 2016-07-29 | 2016-07-29 | Heat pipe with optimized distance design |
| CN201610608342.0A CN107664449B (en) | 2016-07-29 | 2016-07-29 | A kind of heat pipe of segmentally heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610608342.0A CN107664449B (en) | 2016-07-29 | 2016-07-29 | A kind of heat pipe of segmentally heating |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811388097.2A Division CN109506505B (en) | 2016-07-29 | 2016-07-29 | Heat pipe with optimized distance design |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107664449A true CN107664449A (en) | 2018-02-06 |
| CN107664449B CN107664449B (en) | 2019-06-25 |
Family
ID=61115471
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610608342.0A Active CN107664449B (en) | 2016-07-29 | 2016-07-29 | A kind of heat pipe of segmentally heating |
| CN201811388097.2A Active CN109506505B (en) | 2016-07-29 | 2016-07-29 | Heat pipe with optimized distance design |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811388097.2A Active CN109506505B (en) | 2016-07-29 | 2016-07-29 | Heat pipe with optimized distance design |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN107664449B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631642A (en) * | 2019-01-29 | 2019-04-16 | 青岛金玉大商贸有限公司 | A kind of electric heating loop circuit heat pipe |
| CN109654927A (en) * | 2019-01-29 | 2019-04-19 | 青岛金玉大商贸有限公司 | A kind of optimum design method of electric heating loop circuit heat pipe |
| CN109990262A (en) * | 2018-03-09 | 2019-07-09 | 青岛金玉大商贸有限公司 | A kind of auxiliary heating steam generator |
| CN110793366A (en) * | 2018-04-14 | 2020-02-14 | 青岛科技大学 | Heat pipe |
| CN112298440A (en) * | 2020-10-10 | 2021-02-02 | 传孚科技（厦门）有限公司 | Novel pneumatic power-assisted vehicle and control method thereof |
| CN113465425A (en) * | 2019-04-23 | 2021-10-01 | 山东大学 | Mirror symmetry's loop heat pipe of pipe interval grow design |
| CN113465426A (en) * | 2019-04-23 | 2021-10-01 | 山东大学 | Rotationally symmetrical loop heat pipe with reduced pipe diameter |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111780579B (en) * | 2019-04-04 | 2022-06-14 | 山东大学 | Shell-and-tube heat exchanger with reasonably optimized spacing |
| CN112113336A (en) * | 2019-06-20 | 2020-12-22 | 山东大学 | Heat exchanger with variable liquid level |
| CN112113335A (en) * | 2019-06-20 | 2020-12-22 | 山东大学 | Heat exchanger with variable flow velocity |
| CN112113334A (en) * | 2019-06-20 | 2020-12-22 | 山东大学 | Heat exchanger with variable pressure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1657927A1 (en) * | 1989-06-08 | 1991-06-23 | Московский энергетический институт | Heat transfer device |
| CN201000293Y (en) * | 2006-10-27 | 2008-01-02 | 姚新安 | Hot pipe type heat radiator |
| CN102361522A (en) * | 2011-10-21 | 2012-02-22 | 重庆仪表材料研究所 | Variable section end head unwarming armored heater and preparation method thereof |
| CN102946653A (en) * | 2012-12-07 | 2013-02-27 | 深圳晶蓝地光电科技有限公司 | Variable cross-section high temperature furnace heating body |
| CN104791891A (en) * | 2013-10-16 | 2015-07-22 | 中北大学 | Warming radiator dissipating heat through superconductive liquid |
| CN204649044U (en) * | 2015-05-18 | 2015-09-16 | 华南理工大学 | A kind of follow-on ultra-thin loop circuit heat pipe |
| US20160061532A1 (en) * | 2014-09-02 | 2016-03-03 | Aavid Thermalloy, Llc | Evaporator and condenser section structure for thermosiphon |
-
2016
- 2016-07-29 CN CN201610608342.0A patent/CN107664449B/en active Active
- 2016-07-29 CN CN201811388097.2A patent/CN109506505B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1657927A1 (en) * | 1989-06-08 | 1991-06-23 | Московский энергетический институт | Heat transfer device |
| CN201000293Y (en) * | 2006-10-27 | 2008-01-02 | 姚新安 | Hot pipe type heat radiator |
| CN102361522A (en) * | 2011-10-21 | 2012-02-22 | 重庆仪表材料研究所 | Variable section end head unwarming armored heater and preparation method thereof |
| CN102946653A (en) * | 2012-12-07 | 2013-02-27 | 深圳晶蓝地光电科技有限公司 | Variable cross-section high temperature furnace heating body |
| CN104791891A (en) * | 2013-10-16 | 2015-07-22 | 中北大学 | Warming radiator dissipating heat through superconductive liquid |
| US20160061532A1 (en) * | 2014-09-02 | 2016-03-03 | Aavid Thermalloy, Llc | Evaporator and condenser section structure for thermosiphon |
| CN204649044U (en) * | 2015-05-18 | 2015-09-16 | 华南理工大学 | A kind of follow-on ultra-thin loop circuit heat pipe |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109990262A (en) * | 2018-03-09 | 2019-07-09 | 青岛金玉大商贸有限公司 | A kind of auxiliary heating steam generator |
| CN110793366A (en) * | 2018-04-14 | 2020-02-14 | 青岛科技大学 | Heat pipe |
| CN110793366B (en) * | 2018-04-14 | 2021-05-14 | 青岛科技大学 | Heat pipe |
| CN109631642A (en) * | 2019-01-29 | 2019-04-16 | 青岛金玉大商贸有限公司 | A kind of electric heating loop circuit heat pipe |
| CN109654927A (en) * | 2019-01-29 | 2019-04-19 | 青岛金玉大商贸有限公司 | A kind of optimum design method of electric heating loop circuit heat pipe |
| CN109654927B (en) * | 2019-01-29 | 2020-03-17 | 青岛吉云德和商贸有限公司 | Optimization design method of loop heat pipe for heating medicament liquid |
| CN109631642B (en) * | 2019-01-29 | 2020-06-16 | 青岛佰腾科技有限公司 | Liquid medicine electric heating loop heat pipe for heating fumigation |
| CN113465425A (en) * | 2019-04-23 | 2021-10-01 | 山东大学 | Mirror symmetry's loop heat pipe of pipe interval grow design |
| CN113465426A (en) * | 2019-04-23 | 2021-10-01 | 山东大学 | Rotationally symmetrical loop heat pipe with reduced pipe diameter |
| CN113465425B (en) * | 2019-04-23 | 2022-04-29 | 山东大学 | Mirror symmetry's loop heat pipe of pipe interval grow design |
| CN112298440A (en) * | 2020-10-10 | 2021-02-02 | 传孚科技（厦门）有限公司 | Novel pneumatic power-assisted vehicle and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109506505B (en) | 2020-03-17 |
| CN107664449B (en) | 2019-06-25 |
| CN109506505A (en) | 2019-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107664449B (en) | A kind of heat pipe of segmentally heating | |
| CN107664446B (en) | A kind of heat pipe of intelligent temperature control | |
| CN107664450B (en) | A kind of electric heating coil heat pipe | |
| CN107664447B (en) | A kind of heat pipe of heating device caliber change | |
| CN106871676B (en) | The heat pipe of upper header sectional area variation | |
| CN107631652B (en) | A kind of more heat exchanger tube heat pipes of caliber change | |
| CN107631653B (en) | A kind of more heat exchanger tube heat pipes of spacing variation | |
| CN106595358B (en) | A kind of immersion heat exchange tube assemblies of heating power variation | |
| CN106595046A (en) | Segmented heating type submerged heat exchange tube assembly | |
| CN103940260B (en) | Intelligent cogeneration system | |
| CN110006019B (en) | Suspended structure steam generator | |
| CN104713388B (en) | Combined heat and power generation system with regulating valves adapting to changes | |
| CN105627276B (en) | A kind of built-in paddy electricity steam boiler and the heat-exchange method of exchanging heat of single tank of fused salt heat accumulation | |
| CN103514326A (en) | Thermodynamic calculation method for continuous spiral baffle plate shell-and-tube heat exchanger | |
| CN106839841B (en) | A kind of heat pipe | |
| CN108332590B (en) | A kind of coil pipe heat pipe | |
| CN107664448A (en) | A kind of heat pipe of heating power change | |
| CN105157098B (en) | Utilize the solar heating device of phase-change material as a heat transfer medium | |
| CN106895726B (en) | A kind of heat pipe of setting conducting element | |
| CN106595058A (en) | Immersed heat exchange tube assembly adopting regularly changed heating tube diameters | |
| CN110514042A (en) | Heat pipe bundle double-pipe exchange and waste-heat recovery device | |
| CN104713149B (en) | The co-generation unit that a kind of heat calculates automatically | |
| CN106996709B (en) | A kind of heat pipe of lower collector pipe bending | |
| CN206208080U (en) | Separate heat pipe shower waste water residual heat recovery system | |
| Mustikaningtyas et al. | The Pipe Diameter Effect on Heat Transfer of Helical Coil Heat Exchanger in the Solar Water Heater Storage Tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180930 Address after: 266199 No. nine water East Road, Licang District, Qingdao, Shandong, 599 Applicant after: QINGDAO VOCATIONAL AND TECHNICAL COLLEGE OF HOTEL MANAGEMENT Address before: 266075 room 0201, block A, 75 Fuzhou South Road, Shinan District, Qingdao, Shandong. Applicant before: Zhao Wei |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190530 Address after: 526000 East of Yuanyuan Road, Mugang Town, Zhaoqing City, Guangdong Province Applicant after: Zhaoqing Huayu Electrical Appliance Co., Ltd. Address before: 266199 No. nine water East Road, Licang District, Qingdao, Shandong, 599 Applicant before: QINGDAO VOCATIONAL AND TECHNICAL COLLEGE OF HOTEL MANAGEMENT |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |