CN108800569B - A kind of tube spacing variation automatically controls the heat exchange tube assemblies of homogeneous heating - Google Patents
A kind of tube spacing variation automatically controls the heat exchange tube assemblies of homogeneous heating Download PDFInfo
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- CN108800569B CN108800569B CN201810412604.5A CN201810412604A CN108800569B CN 108800569 B CN108800569 B CN 108800569B CN 201810412604 A CN201810412604 A CN 201810412604A CN 108800569 B CN108800569 B CN 108800569B
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- pipe box
- heat exchanger
- electric heater
- heater unit
- left pipe
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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
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/002—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release using electrical energy supply
-
- 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
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
- F24H7/0208—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply
- F24H7/0233—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid using electrical energy supply the transfer fluid being water
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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
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0472—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being helically or spirally coiled
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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
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- 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
-
- 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
- F24H9/1818—Arrangement or mounting of electric heating means
-
- 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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
- F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
- F28F9/02—Header boxes; End plates
- F28F9/0236—Header boxes; End plates floating elements
- F28F9/0241—Header boxes; End plates floating elements floating end plates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G7/00—Cleaning by vibration or pressure waves
-
- 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
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
- F28F2250/08—Fluid driving means, e.g. pumps, fans
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2265/00—Safety or protection arrangements; Arrangements for preventing malfunction
- F28F2265/24—Safety or protection arrangements; Arrangements for preventing malfunction for electrical insulation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Resistance Heating (AREA)
Abstract
The present invention provides a kind of heat exchanger assemblies for controlling homogeneous heating, including left pipe box, right pipe box and heat exchanger tube, the heat-exchanging tube bundle is coil pipe, each coil pipe includes more arc-shaped heat exchanger tubes, the end of adjacent heat exchange tubes is connected to, so that more heat exchanger tubes is formed cascaded structure, and the end of heat exchanger tube is made to form heat exchanger tube free end；The center line of more arc-shaped heat exchanger tubes is the circular arc of concentric circles；The concentric circles is using the center of the cross section of left pipe box as the circle in the center of circle；As the center apart from left pipe box is remoter, the distance between adjacent tube bank is increasing.The present invention aiming at the shortcomings in the prior art, provides a kind of heat exchanger assembly of caliber change, can be further improved heat exchange efficiency, controls the uniformity of heating.
Description
Technical field
The present invention relates to a kind of heat-exchanging component more particularly to a kind of heat-exchanging components of immersion heat exchanger.
Background technique
Immersion heat exchanger is one of dividing wall type heat exchanger type.Its structure is simple, manufacture, installation, cleaning and maintenance side
Just, cheap, and especially suitable for the cooling of high-pressure fluid, condensation, so modern be still used widely.This heat exchanger
It is mostly coiled into metal pipe, or various situations about being adapted with container is made, and be immersed in the liquid in container.
But current immersion heat exchanger it is low there are heat exchange efficiency the problems such as, therefore need to increase stirring under normal circumstances
Component increases heat exchange.
Furthermore the heating device of immersion heat exchanger is that an entirety remains unchanged, and there is no according to specific feelings for heating power
Condition changes, and also causes heat exchange efficiency not high.
Summary of the invention
The present invention provides a kind of immersion heat exchanger assembly of Novel structure for the deficiency of water heater in the prior art.
The modular construction is simple, and heat exchange efficiency is high.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of heat exchanger assembly, including left pipe box, right pipe box and heat exchanger tube, heat exchanger tube are connected with left pipe box and right pipe box
Logical, electric heater unit is arranged in left pipe box and/or right pipe box；Filling heating fluid, shape in left pipe box, right pipe box and heat exchanger tube
At heating fluid closed circulation；The electric heater unit is divided into multistage, and the heating power of at least two sections of unit length is different.
Preferably, the heating power of the unit length of electric heater unit adjacent segment is different.
Preferably, the electric heater unit is from the top of left pipe box and/or right pipe box to left pipe box and/or right pipe box
The heating power of bottom, the unit length of different sections constantly increases.
Preferably, from the top of left pipe box and/or right pipe box to the bottom of left pipe box and/or right pipe box, different sections
Constantly increased amplitude is increasing for the heating power of the unit length of electric heater unit.
Preferably, the electric heater unit is electrically heated rod.
Preferably, the electric heater unit is located at the medium position position to the left of right pipe box, i.e., the described electric heating dress
Position between medium position setting in right pipe box and left part wall surface.
Preferably, the center line of the electric heater unit is in the pipe of right pipe box 1 at a distance from the center line of right pipe box
The 1/4-1/3 of radius.
Preferably, the heat-exchanging tube bundle is coil pipe, each coil pipe includes more arc-shaped heat exchanger tubes, adjacent heat exchange tubes
End connection, so that more heat exchanger tubes is formed cascaded structures, and the end of heat exchanger tube is made to form heat exchanger tube free end；More
The center line of arc-shaped heat exchanger tube is the circular arc of concentric circles；The concentric circles is using the center of the cross section of upper header as the center of circle
Circle.
Preferably, the coil pipe be it is multiple, the multiple coil pipe be parallel-connection structure.
Preferably, the internal diameter of left pipe box is R1, the internal diameter of right pipe box is R2, and the power of the electric heater unit of left pipe box is
P1, the power of the electric heater unit of right pipe box are P2, meet following relationship:
P1/P2=a*(R1/R2)2-b*(R1/R2)+c；
A, b, c are coefficients, wherein 0.82 < a < 0.91,1.95 <b < 2.05,2.67 < c < 2.77；
Wherein 58mm < R1 < 87mm;
29mm<R2<68mm；
1.2<R1/R2<2.1；
950W<P1<1500W；
400W<P2<1000W。
Preferably, a, c increase with the increase of R1/R2, b reduces.
The present invention has the advantage that
1, electric heater unit of the present invention carries out segmentally heating, further improves heating efficiency, improves heat exchanger group
The heat exchange efficiency of part.
2, the configuration of the present invention is simple, it is easy to operate, directly heat exchanger assembly submergence can be used in a fluid.
3, floating coiled pipe is applied to immersion heat-exchanging component by the present invention, and by the way that floating coiled pipe is arranged, heating fluid is heated
After can generate volume expansion, induction floating coiled pipe free end BC, B ' C ' generates vibration, thus augmentation of heat transfer.
4, the present invention optimizes the best relation of the parameter of floating coiled pipe, to further increase by largely testing
Heating efficiency.
5, the present invention is by the setting of the electric heater unit power of different bobbin carriages, improves the equal of heating efficiency and its heating
Even property.
Detailed description of the invention:
Fig. 1 is the schematic cross-section of immersion heat exchanger assembly.
Fig. 2 is the schematic cross-section that the heat exchanger assembly of floating coiled pipe structure is arranged.
Fig. 3 is the Section A-A view in Fig. 2.
Fig. 4 is the scale diagrams of Fig. 3 structure.
Fig. 5 is the structural schematic diagram of resistance heater.
In figure: 1, floating coiled pipe, 2, left pipe box, 3, free end, 4 tube banks, 5 electric heater units, 51 first electric heating dress
It sets, 52 second electric heater units, 6, right pipe box.
Specific embodiment
Fig. 1-2 illustrates the section schematic diagram of immersion heat-exchanging component, as shown in Figure 1, a kind of immersion heat exchanger assembly,
Including left pipe box 2, right pipe box 6 and heat exchanger tube, heat exchanger tube is connected with left pipe box 2 and right pipe box 6, and the setting of electric heater unit 5 exists
In left pipe box 2 and/or right pipe box 6；Filling heating fluid in left pipe box 2, right pipe box 6 and heat exchanger tube, heats fluid in left pipe box 2
With close flow is carried out in right pipe box 6 and heat exchanger tube.
The electric heater unit 5 is used to heat the interior fluid of heat-exchanging component, and heat exchange is then heated by the fluid of heating
Fluid outside device assembly.
Preferably, electric heater unit 5 is arranged in left pipe box 2 or right pipe box 6.
Preferably, heat exchanger tube is straight tube.
Preferably, the heat exchanger tube is floating coiled pipe 1.
Floating coiled pipe 1 is one group or multiple groups, and every group of floating coiled pipe 1 includes more arc-shaped tube banks 4, and more arc-shaped
Tube bank 4 center line be concentric circles circular arc, it is adjacent tube bank 4 end connection so that coil pipe 1 end formed tube bank
Free end 3, such as the free end 3 in Fig. 3.
Preferably, the heating fluid is conduction oil.Certainly, those skilled in the art can be according to the temperature of heating
It needs to select other suitable fluids.
Traditional floating coiled pipe is all to carry out vibration scale removal effect using the impact of the flowing of fluid to carry out augmentation of heat transfer, all
It is to be used for forced-convection heat transfer, and the water flowing in immersion heat exchanger is poor, forced-convection heat transfer flowing can not be carried out, and originally
Floating coiled pipe is applied to immersion heat exchanger for the first time by invention, by the way that floating coiled pipe is arranged, can generate body after heating fluid is heated
Product expansion, induction 1 free end 3 of floating coiled pipe generates vibration, because the vibration is transferred to surrounding fluid, generates to the fluid of surrounding
Disturbance effect, to produce the effect of augmentation of heat transfer.
In the present invention, it because electric heater unit 5 is arranged in left pipe box 2 and/or right pipe box 6, can directly keep away
Exempt from fluid to contact with electric heater unit, to avoid getting an electric shock, plays the role of protection.
Preferably, the left pipe box 2, right pipe box 6 and floating coiled pipe 1 are all circular tube structures.
Preferably, the tube bank of floating coiled pipe 1 is elastic tube bundle.
By the way that elastic tube bundle is arranged in the tube bank of floating coiled pipe 1, the coefficient of heat transfer can be further improved.
Preferably, the concentric circles is using the center of left pipe box 2 as the circle in the center of circle.That is the tube bank 4 of floating coiled pipe 1 surrounds
Left pipe box 2 center line arrangement.
As shown in figure 3, tube bank 4 not instead of one complete circle, reserves an oral area, to form the freedom of tube bank
End.Angle where the circular arc of the oral area is 65-85 degree, i.e. the sum of Fig. 4 angle b and c is 65-85 degree.
Preferably, the caliber of the left pipe box 2 is greater than the caliber of right pipe box 6.
By above-mentioned setting, can further augmentation of heat transfer, improve the heat exchange efficiency of 8-15%.
Preferably, the internal diameter of left pipe box is R1, the internal diameter of right pipe box is R2, then 1.5 < R1/R2 < 2.5.
It is preferably provided with by above-mentioned, heat exchange efficiency is enabled to reach best.
Preferably, the distance between adjacent tube bank is increasing as the center apart from left pipe box 2 is remoter.
Preferably, the increasing amplitude of the distance between adjacent tube bank constantly increases.
It is preferably provided with by above-mentioned, can be further improved heat exchange efficiency, increase the uniformity of heating.It is sent out by experiment
It is existing, the heat exchange efficiency of 10-11% can be improved by above-mentioned setting.
Preferably, the diameter of tube bank is increasing as the center apart from left pipe box 2 is remoter.
Preferably, the increasing amplitude of diameter of tube bank constantly increases.
It is preferably provided with by above-mentioned, can be further improved heat exchange efficiency, increase the uniformity of heating.It is sent out by experiment
It is existing, 10% or so heat exchange efficiency can be improved by above-mentioned setting.
Preferably, electric heater unit 5 is separately positioned in left pipe box 2 and right pipe box 6 as described in Figure 1, i.e., the first electricity adds
Thermal 51 is arranged in left pipe box 2, and the second electric heater unit 52 is arranged in right pipe box 6.
Preferably, left pipe box 2 is identical with the length of right pipe box 6.
It is greater than the caliber of right pipe box as the caliber of preferred left pipe box.
Preferably, as shown in Figure 1, 2, when water heater operation, the heating power of the first electric heater unit 51 is big
In the heating power of the second electric heater unit 52.It by above-mentioned setting, is found through experiments that, enables to heating device component
Heat exchange efficiency is higher, more uniform to the heat exchange of fluid.
Preferably, the heating power of the first electric heater unit 51 is the 1.3-2.8 of the power of the second electric heater unit 52
Times, preferably 1.5-2.4 times, further preferably 1.9-2.2 times.
It is found in numerical simulation and corresponding test, left pipe box 2, the size of right pipe box 6 and the first electric heating dress
Set 51 and second electric heater unit 52 power between proportionate relationship heating efficiency and uniformity can be had an impact.Such as
The size of fruit left pipe box 2 and right pipe box 6 difference is too many, and 52 heating power of the first electric heater unit 51 and the second electric heater unit
It differs smaller, then can generate that heating efficiency is low and non-uniform phenomenon occurs in heating, similarly if left pipe box 2, right pipe box 6
Size disparity is too small and the first electric heater unit 51 and 52 heating power of the second electric heater unit difference it is bigger, also will appear
The heat exchange thermal efficiency is low and non-uniform phenomenon occurs in heat exchange.Therefore the present invention is by a large amount of numerical simulation, to above-mentioned relationship
It is summarized, by being verified.Left pipe box 2, the size of right pipe box 6 and the first electric heater unit 51 are obtained
Best relation between 52 heating power of the second electric heater unit.
Preferably, the internal diameter of left pipe box is R1, the internal diameter of right pipe box is R2, the heating function of the electric heater unit of left pipe box
Rate is P1, and the heating power of the electric heater unit of right pipe box is P2, meets following relationship:
P1/P2=a*(R1/R2)2-b*(R1/R2)+c；
A, b, c are coefficients, wherein 0.82 < a < 0.91,1.95 <b < 2.05,2.67 < c < 2.77；
Wherein 58mm < R1 < 87mm;
29mm<R2<68mm；
1.2<R1/R2<2.1；It is preferred that 1.5 < P1/P2 < 2.3;
950W<P1<1500W；
400W<P2<1000W。
Preferably, a, c increase with the increase of R1/R2, b reduces.
Preferably, tube bank quantity be 3-5 root, preferably 3 or 4.
Preferably, a=0.87, b=2, c=2.72.
The distance of 6 center line of left pipe box 2 and right pipe box is 220-270mm；Preferably 240-250mm.
The radius of tube bank is preferably 10-25mm；
P1, P2 are the total heating powers for the electric heating assembling device being arranged in left pipe box and right pipe box.Such as left pipe box
Or when the right pipe box multiple electric heater units of setting, P1, P2 are the heating function of multiple electric heater units in left pipe box and right pipe box
The sum of rate.
Preferably, in the tube bank adjacent thereto of the circular arc where the tube bank center line of left pipe box center line recently
The distance between circular arc where heart line (such as the distance between center of arc's line in Fig. 3 where tube bank A and B) is two root canals
1.1-2.0 times of beam mean outside diameter (outer dia), preferably 1.2-1.7 times, preferably 1.3-1.5 times.
The weighted average of two pipe diameters of average out to of the diameter of two tube banks.
Preferably, end part aligning of the tube bank in the same side, in the same plane, the extended line of end (or end
The plane at place) by the middle line of left pipe box 2, as shown in Figure 4.
Further preferably, the electric heater unit 5 is electrically heated rod.
Electric heater unit of the present invention, as shown in figure 3, the left pipe box 2 is connected with the end floating coiled pipe A；Right pipe box 6
It is connected with the end floating coiled pipe D.
Preferably, as shown in figure 3, the first end that the inside of floating coiled pipe 1 is restrained is connect with left pipe box 2, second end with
One end connection is restrained in adjacent outside, and one end of the outermost tube bank of floating coiled pipe 1 is connect with right pipe box 6, adjacent tube bank
End connection, to form a concatenated structure.
The angle c that the plane where plane and 6 center line of left pipe box 2 and right pipe box where first end is formed is 40-50
Degree.
The angle b that the plane where plane and 6 center line of left pipe box 2 and right pipe box where second end is formed is 25-35
Degree.
By the design of above-mentioned preferred angle, so that the vibration of free end reaches most preferably, so that heating efficiency reaches
To optimal.
As shown in figure 3, the tube bank of floating coiled pipe is 4, A, B, C, D connection are restrained.Certainly, four are not limited to, it can be with
It is set as needed multiple, specific connection structure is identical as Fig. 4.
The floating coiled pipe 1 be it is multiple, multiple floating coiled pipes 1 independently connect left pipe box 2 and right pipe box 6, i.e., multiple
Floating coiled pipe 1 is parallel-connection structure.
Preferably, 5 cross section of electric heater unit is preferably circular.
Preferably, electric heater unit 5 is electrically heated rod.
Preferably, the electric heater unit 51 is located at the medium position position to the right of left pipe box 2, i.e., the described electric heating
Device is located at the position between the medium position and right part wall surface of left pipe box.
Preferably, the center line of the electric heater unit 51 is the pipe of left pipe box 1 at a distance from the center line of left pipe box
The 1/4-1/3 of inside radius.
Preferably, the electric heater unit 52 is located at the medium position position to the left of right pipe box 2, i.e., the described electric heating
Device 52 is located at the position between the medium position and left part wall surface of right pipe box.
Preferably, the center line of the electric heater unit 52 is the pipe of right pipe box 1 at a distance from the center line of right pipe box
The 1/4-1/3 of inside radius.
It is found through experiments that, by being so arranged, can be improved the heat exchange efficiency of 10-13% or so, and can make
The fluid heating obtained in heat exchange tube assemblies is more uniform, and the optimal of heating effect can be reached by setting, to reach heat transfer effect
It is optimal.
Preferably, the electric heater unit 5 is from the top of left pipe box 2 and/or right pipe box 6 to left pipe box 2 and/or right pipe
The heating power of the lower part of case 6, unit length constantly increases.That is 5 upper position heating power highest of electric calorifie installation, lower portion
The heating power set is minimum.
Preferably, from the top of left pipe box 2 and/or right pipe box 6 to the lower part of left pipe box 2 and/or right pipe box 6, electricity adds
Constantly increased amplitude is increasing for the heating power of the unit length of thermal 5.
By the design of above-mentioned optimization, heat exchange efficiency can be further improved.Because main cause is the low stream of temperature
Body all be located at lower part, by so set, enlarged lower part heating power, to improve the heat exchange efficiency of lower part.Pass through reality
It issues after examination and approval now, heat exchange efficiency 15-18% can be improved by above-mentioned setting.
Preferably, the electric heater unit 5 divides for multistage, from the top of left pipe box 2 and/or right pipe box 6 to left pipe box 2
And/or the lower part of right pipe box 6, the heating power of the unit length of the electric heater unit of the difference section constantly increase.It is i.e. electric
5 upper position heating power of thermal is minimum, the heating power highest of lower end.
Preferably, from the top of left pipe box 2 and/or right pipe box 6 to the lower part of left pipe box 2 and/or right pipe box 6, it is different
Constantly increased amplitude is increasing for the heating power of the unit length of the electric heater unit 5 of section.
It is on the one hand easy to process by the design of above-mentioned optimization, it can be further improved heat exchange efficiency.Principle and front
It is identical.It is found through experiments that, 15% or so heat exchange efficiency can be improved by above-mentioned setting.
Fig. 5 illustrates electric heater unit 5 and divides structure for multistage.
The electric heater unit is by the way of resistance heating.
Preferably, the electric heater unit 5 is rod resistance.Preferably, quantity is one or more.
Preferably, the electric heater unit 5 is resistance wire.Preferably, quantity is one or more.
Preferably, the electric heater unit 5(as one or more preferred rod resistance or one or more
Resistance wire) from the top of left pipe box 2 and/or right pipe box 6 to the lower end of lower tube box, the outer diameter of electric heater unit is smaller and smaller, i.e.,
Electric heater unit is more and more thinner.That is electric calorifie installation lower position is most thin, and top is most thick.Such as shown in figure 5, by above-mentioned excellent
Change setting, the heating power for reaching electric heater unit different location is different, to improve electrically heated efficiency.
Preferably, from the top of left pipe box 2 and/or right pipe box 6 to the lower part of left pipe box 2 and/or right pipe box 6, electricity adds
The amplitude that 5 outer diameter of thermal becomes smaller is increasing.
Change by using outer diameter, so that the resistance of lower part is maximum, heat generation rate is maximum, to improve heat exchange tube assemblies
Heat exchange efficiency.
It is found through experiments that, by above-mentioned optimal setting, so that electrically heated utilization efficiency highest, so that heat pipe reaches
Optimal electric heating utilization efficiency, can be improved 15% or so heat utilization efficiency.
Preferably, the outer shape of electric heater unit is parabolical shape.
In multi-segment structure, from the top of left pipe box 2 and/or right pipe box 6 to the lower part of left pipe box 2 and/or right pipe box 6,
The caliber of the electric heater unit 5 of different sections is smaller and smaller.Such as shown in Figure 5.
In multi-segment structure, from the top of left pipe box 2 and/or right pipe box 6 to the lower part of left pipe box 2 and/or right pipe box 6,
The amplitude that the caliber of the electric heater unit 5 of different sections is smaller and smaller is constantly increasing.
First electric heater unit 51 and/or the second electric heater unit 52 are more, first electric heater unit 51
And/or second electric heater unit 52 around the center line of left pipe box and/or right pipe box be arranged.
By so set, the uniformity of heat exchange can be further provided for.
Present apparatus structure is simple, using conveniently, is used directly for various occasions.Such as it is directly placed at the intracorporal stream of case
It exchanges heat in body with fluid, is used as radiator, submergence is in air.As spray-type evaporator, liquid is directly sprayed
Leaching is on heat exchanger assembly.
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 (4)
1. a kind of heat exchanger assembly, including left pipe box, right pipe box and heat exchanger tube, heat exchanger tube are connected with left pipe box and right pipe box,
Electric heater unit is arranged in left pipe box and/or right pipe box；Filling heating fluid, forms in left pipe box, right pipe box and heat exchanger tube
Heat fluid closed circulation；The heat exchanger tube is coil pipe, and each coil pipe includes more arc-shaped heat exchanger tubes, adjacent heat exchange tubes
End connection, makes more heat exchanger tubes form cascaded structure, and the end of heat exchanger tube is made to form heat exchanger tube free end；More circles
The center line of the heat exchanger tube of arc is the circular arc of concentric circles；The concentric circles is using the center of the cross section of left pipe box as the center of circle
Circle；As the center apart from left pipe box is remoter, the distance between adjacent tube bank is increasing；The electric heater unit is divided into more
The heating power of section, at least two sections of unit length is different；The heating power of the unit length of electric heater unit adjacent segment is different；
The electric heater unit is from the top of left pipe box and/or right pipe box to the bottom of left pipe box and/or right pipe box, the unit of different sections
The heating power of length constantly increases.
2. heat exchanger assembly as described in claim 1, which is characterized in that as the center apart from left pipe box is remoter, adjacent tubes
The increasing amplitude of the distance between beam constantly increases.
3. heat exchanger assembly as described in claim 1, from the top of left pipe box and/or right pipe box to left pipe box and/or right pipe
The bottom of case, constantly increased amplitude is increasing for the heating power of the unit length of the electric heater unit of different sections.
4. heat exchanger assembly as described in claim 1, which is characterized in that the electric heater unit is electrically heated rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810412604.5A CN108800569B (en) | 2016-08-20 | 2016-08-20 | A kind of tube spacing variation automatically controls the heat exchange tube assemblies of homogeneous heating |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610690486.5A CN106595046B (en) | 2016-08-20 | 2016-08-20 | A kind of immersion heat exchange tube assemblies of heat stepwise |
| CN201810412604.5A CN108800569B (en) | 2016-08-20 | 2016-08-20 | A kind of tube spacing variation automatically controls the heat exchange tube assemblies of homogeneous heating |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610690486.5A Division CN106595046B (en) | 2016-08-20 | 2016-08-20 | A kind of immersion heat exchange tube assemblies of heat stepwise |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108800569A CN108800569A (en) | 2018-11-13 |
| CN108800569B true CN108800569B (en) | 2019-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810412611.5A Expired - Fee Related CN108800990B (en) | 2016-08-20 | 2016-08-20 | A kind of left and right bobbin carriage automatically controls the heat exchange tube assemblies of heating power |
| CN201810412536.2A Expired - Fee Related CN108800568B (en) | 2016-08-20 | 2016-08-20 | A kind of uniformly heated heat exchange tube assemblies of caliber change automatic control |
| CN201610690486.5A Expired - Fee Related CN106595046B (en) | 2016-08-20 | 2016-08-20 | A kind of immersion heat exchange tube assemblies of heat stepwise |
| CN201810412604.5A Expired - Fee Related CN108800569B (en) | 2016-08-20 | 2016-08-20 | A kind of tube spacing variation automatically controls the heat exchange tube assemblies of homogeneous heating |
Family Applications Before (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810412611.5A Expired - Fee Related CN108800990B (en) | 2016-08-20 | 2016-08-20 | A kind of left and right bobbin carriage automatically controls the heat exchange tube assemblies of heating power |
| CN201810412536.2A Expired - Fee Related CN108800568B (en) | 2016-08-20 | 2016-08-20 | A kind of uniformly heated heat exchange tube assemblies of caliber change automatic control |
| CN201610690486.5A Expired - Fee Related CN106595046B (en) | 2016-08-20 | 2016-08-20 | A kind of immersion heat exchange tube assemblies of heat stepwise |
Country Status (1)
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| CN (4) | CN108800990B (en) |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106595046B (en) | 2018-05-18 |
| CN108800568B (en) | 2019-05-21 |
| CN108800568A (en) | 2018-11-13 |
| CN108800990B (en) | 2019-05-21 |
| CN108800990A (en) | 2018-11-13 |
| CN108800569A (en) | 2018-11-13 |
| CN106595046A (en) | 2017-04-26 |
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