CN107036478B - A kind of annular and separation device heat exchanger containing on-condensible gas - Google Patents
A kind of annular and separation device heat exchanger containing on-condensible gas Download PDFInfo
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- CN107036478B CN107036478B CN201710321690.4A CN201710321690A CN107036478B CN 107036478 B CN107036478 B CN 107036478B CN 201710321690 A CN201710321690 A CN 201710321690A CN 107036478 B CN107036478 B CN 107036478B
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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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
- F28D7/163—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation with conduit assemblies having a particular shape, e.g. square or annular; with assemblies of conduits having different geometrical features; with multiple groups of conduits connected in series or parallel and arranged inside common casing
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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
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/16—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged in parallel spaced relation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/40—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only inside the tubular element
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- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention provides a kind of ring structure segmenting device shell-and-tube heat exchanger containing on-condensible gas, including shell, end socket is respectively set in the shell both ends, tube sheet is arranged in the link position of the end socket and shell, the tube sheet at heat exchanger tube connection both ends, gas phase in biphase gas and liquid flow is insoluble or slightly solubility gas, i.e. in heat transfer process, gas will not be dissolved in liquid, separating device is set in the heat exchanger tube, the separating device includes core and shell, the core setting is in the shell, the shell is connected and fixed with heat transfer tube wall, the core includes multiple concentric tubes and fin, the fin connects adjacent concentric tube.The present invention provides a kind of heat exchanger of the separating device of Novel structure, and there are when gas liquid two-phase flow in pipeline, with respect to the background art, further augmentation of heat transfer weakens the vibration of pipeline, reduces noise level.
Description
Technical field
The present invention relates to a kind of shell-and-tube heat exchangers, exchange heat more particularly, to a kind of two-phase flow containing on-condensible gas
Device.
Background technique
Two phase flow heat transfer containing on-condensible gas is mixed into universally present in heat-exchanger rig, such as in heat transfer process
On-condensible gas, or because of the on-condensible gas that ageing equipment generates during fluid transport, it is (main that there are also such as natural gas liquefactions
Wanting ingredient is -42 DEG C of -162 DEG C of methane of boiling point, -88 DEG C of ethane of boiling point, boiling point propane etc.) during different boiling blending agent
Condensation, air separation, azeotrope refrigeration, petroleum or cracking waste plastics, the industries such as biogas production main technique mistake
Journey.
Fluid containing on-condensible gas is in heat transfer process because the presence of gas phase, will lead to that heat exchange efficiency is low, and deterioration is changed
Heat, process fluid flow is unstable, and will lead to the generation of water hammer.When the phase of two-phase working substance does not mix uniformly
And when discontinuously flowing, large-sized liquid group can occupy air mass space at high speed, cause two-phase flow unstable, thus tempestuously
Impact device and pipeline generate sharp pounding and noise, seriously threaten equipment operational safety.
For the Heat exchanger problem of biphase gas and liquid flow, it has therefore already been proposed that new settling mode solves above-mentioned ask
Topic, such as Publication No. CN105258535A patent application destroy laminar sublayer by setting bur, can by " thorn " and " hole "
To disturb fluid on different height respectively, to carry out augmentation of heat transfer.But above-mentioned technology does not solve biphase gas and liquid flow
Vibration and noise problem in heat exchanger, and structure is complicated for above-mentioned settling mode, and because of the dimensional problem of bur, nothing
Method guarantees the disturbance on the entire cross section in the middle part of heat exchanger tube, cannot achieve the uniform of gas phase liquid phase on the whole, noise and shake
Dynamic problem is still serious.In view of the above-mentioned problems, the present invention provides a kind of heat exchangers of the separating device of Novel structure, to solve
Certainly above-mentioned problem.
Also a kind of multitube separating device is devised in earlier application, it is shown in Figure 8.But such device is in operation
It was found that the space A formed between three root canals is relatively small, because empty because being to be closely linked between pipe
Between A be that the convex arc of three root canals is formed, therefore most of area stenosis of space A will cause fluid and cannot be introduced into and passes through, and cause
Fluid short can not play the role of good current stabilization to affect the heat exchange of fluid.Simultaneously as more root canals of above structure
Subgroup is combined, and manufacture is difficult.
Summary of the invention
The object of the present invention is to provide a kind of heat exchangers of the separating device of Novel structure, and there are gas-liquid two-phases in pipeline
When flowing, weaken the vibration in biphase gas and liquid flow heat exchanger tube, reduces noise level, while augmentation of heat transfer.
To achieve the goals above, technical scheme is as follows:
End socket, the company of the end socket and shell is respectively set in a kind of shell-and-tube heat exchanger, including shell, the shell both ends
Position setting tube sheet is connect, heat exchanger tube connects the tube sheet at both ends, and the gas phase in biphase gas and liquid flow is insoluble or slightly solubility gas, i.e.,
In heat transfer process, gas will not be dissolved in liquid, be arranged separating device in the heat exchanger tube, and the separating device includes core and outer
Shell, in the shell, the shell is connected and fixed with heat transfer tube wall for core setting, the core include multiple concentric tubes with
Fin, the fin connect adjacent concentric tube.
Preferably, intercommunicating pore is arranged on the concentric tube and fin.
Preferably, the extended line of the fin passes through the center of circle of concentric tube.
Preferably, the length of heat exchanger tube is L, distance apart from heat exchange tube inlet is X, between adjacent separating device away from
From for S, S=F1(X), meet following require:
S '>0, S ">0,0≤X<L/2；
S '<0, S ">0, L/2≤X≤L.
Preferably, the length of heat exchanger tube is L, the distance apart from heat exchange tube inlet is X, and the length of separating device is C, C
=F2(X), meet following require:
C '<0, C ">0,0≤X<L/2；
C '>0, C ">0, L/2≤X<L.
Preferably, the length of heat exchanger tube is L, the distance apart from heat exchange tube inlet is X, and adjacent fin and its fin connect
The hydraulic diameter of the annular distance limited between the concentric tube connect is D, D=F3(X), meet following require:
D '>0, D ">0,0≤X<L/2；
D '<0, D ">0, L/2≤X≤L.
Preferably, groove is arranged in the heat transfer tube wall, the shell of the separating device is arranged in groove, described outer
The inner wall of shell and the aligning inner of heat exchanger tube.
Preferably, heat exchanger tube is welded for multi-segment structure, separating device is arranged in the junction of multi-segment structure.
Preferably, the distance between adjacent separating device is S, the length of separating device is C, and the outer diameter of heat exchanger tube is W,
The radius of neighboring concentric pipe is respectively R2And R1, wherein R2>R1, the radian of the circular arc between adjacent fin is h, is met as follows
It is required that:
S/C=a-b*LN (W/E)；
E=((h*R2 2-h*R1 2)/2)1/2；
Wherein LN is logarithmic function, and a, b are parameters, wherein 16.1 < a < 17.2,7.9 <b < 8.8；
Wherein the spacing of separating device is the both ends the distance between opposite with adjacent separating device；
34<W<58mm；
7<E<12；
14<C<23mm；
50<S<70mm。
Preferably, a=16.5, b=8.4.
Compared with prior art, of the invention to have the advantage that
1) the present invention provides a kind of separating devices of Novel structure, separate two-phase fluid relative to by separating device
At liquid and gas, liquid phase is divided into small liquid group, gas phase is divided into minute bubbles, inhibits the reflux of liquid phase, promotes gas phase suitable
Channel Group is dynamic, plays the role of regime flow, has the effect of vibration and noise reducing.Relative to multitube separating device, further increase
Steady flow result, augmentation of heat transfer, and be simple to manufacture.
2) present invention is equivalent to by setting separating device and increases interior heat exchange area in heat exchanger tube, enhance heat exchange,
Improve heat transfer effect.
3) present invention avoids existing because gas-liquid two-phase is divided in the entire cross-section location of heat exchanger tube
Only heat transfer tube wall face is split in technology, expands gas-liquid interface and gas phase to realize on entirely heat exchange tube section
The contact area of boundary layer and cooling wall simultaneously enhances disturbance, reduces noise and vibration, enhances heat transfer.
4) present invention is by setting up the distance between adjacent separating device, the length of separating device in heat exchanger tube length side
The rule variation of the parameters size such as outer diameter of degree, annular distance reduces noise to further reach steady flow result, improves heat exchange effect
Fruit.
5) present invention widely grind by heat exchange rule caused by the variation to annular and separation device parameters
Study carefully, when meeting flow resistance, realizes the best relation formula of the effect of vibration and noise reducing.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of two-phase flow tube shell type heat exchanger of the invention；
Fig. 2 is the heat transfer tube structure diagram of two-phase flow tube shell type heat exchanger of the invention；
Fig. 3 separating device structural schematic diagram of the present invention；
Fig. 4 is separating device of the present invention arrangement schematic diagram in heat exchanger tube；
Fig. 5 is another schematic diagram that separating device of the present invention is arranged in heat exchanger tube.
Fig. 6 is that separating device of the present invention arranges cross-sectional view in heat exchanger tube.
Fig. 7 is the scale diagrams of separating device of the present invention.
Fig. 8 is the structural schematic diagram of the two-phase flow tube shell type heat exchanger in background technique.
Appended drawing reference is as follows: front head 1, cover flange 2, front tube sheet 3, shell 4, separating device 5, heat exchanger tube 6, back tube sheet
7, cover flange 8, rear head 9, support 10, support 11, tube-side inlet pipe 12, tube side outlet 13, shell side inlet pipe 14, shell side
Outlet 15, separating device shell 51, annular distance 52, fin 53, concentric tube 54
Specific embodiment
Specific embodiments of the present invention will be described in detail with reference to the accompanying drawing.
Herein, if without specified otherwise, it is related to formula, "/" indicates that division, "×", " * " indicate multiplication.
It should be noted that if the two phase flow that the present invention mentions is biphase gas and liquid flow, gas herein without specified otherwise
Body is insoluble or slightly solubility gas, i.e., in heat transfer process, gas will not be dissolved in liquid.
A kind of shell-and-tube heat exchanger as shown in Figure 1, the shell-and-tube heat exchanger include shell 4, heat exchanger tube 6, tube side
Inlet tube 12, tube side outlet 13, shell side inlet adapter tube 14 and shell-side outlet adapter tube 15；6 groups of multiple heat exchanger tubes disposed in parallel
At heat-exchanging tube bundle be connected to front tube sheet 3, on back tube sheet 7；The front end of the front tube sheet 3 is connect with front head 1, back tube sheet 7
Rear end connects rear head 9；The tube-side inlet pipe 12 is arranged on rear head 9；The tube side outlet 13 is arranged preceding
On end socket 1；The shell side inlet adapter tube 14 and shell-side outlet adapter tube 15 is arranged on shell 4；The fluid of two phase flow is from pipe
Journey inlet tube 12 enters, and exchanges heat by heat exchanger tube, goes out from tube side outlet 13.
As illustrated in figures 4-5, annular and separation device 5 is set in heat exchanger tube 6.The structure of the annular and separation device 5 is shown in figure
3.As shown in figure 3, the separating device 5 includes core and shell 51, the core is arranged in shell 51, the shell with change
Heat pipe inner wall is connected and fixed, and the core includes multiple concentric tubes 54 and fin 53, and the fin 53 connects adjacent concentric tube
54.It is limited between the concentric tube 54 that adjacent fin 53 and its fin 53 connect and forms annular distance 52.
Annular and separation device is arranged in the present invention in heat exchanger tube, by multitube separating device by the liquid phase in two-phase fluid
It is separated with gas phase, liquid phase is divided into small liquid group, gas phase is divided into minute bubbles, inhibits the reflux of liquid phase, promotes gas phase
Smooth outflow plays the role of regime flow, has the effect of vibration and noise reducing.Relative to multitube separating device, further mention
High steady flow result, augmentation of heat transfer, and be simple to manufacture.
The present invention is equivalent to by setting annular and separation device and increases interior heat exchange area in heat exchanger tube, enhanced and changed
Heat improves heat transfer effect.
The present invention is because all cross-section locations by gas-liquid two-phase in all heat exchanger tubes are divided, thus entire
The segmentation of gas-liquid interface and gas phase boundary and the contact area of cooling wall are realized on heat exchange tube section and enhances disturbance, greatly
Big reduces noise and vibration, enhances heat transfer.
Preferably, preferably, intercommunicating pore is arranged on the concentric tube 54 and/or fin 53.
Intercommunicating pore is set between adjacent annular distance, the connection between annular distance 52 is realized by intercommunicating pore.
Pass through setting intercommunicating pore, it is ensured that it is interconnected between adjacent annular distance, pressure that can uniformly between annular distance,
It so that the fluid of high pressure runner flows to low pressure, while can also further separate liquid and gas while fluid flows, have
Stablize two-phase flow conducive to further.
Preferably, the extended line of the fin passes through the center of circle of concentric tube.
Preferably, along the flow direction of heat exchange tube fluid, the multiple separating devices of setting in heat exchanger tube, from heat exchanger tube
Entrance to the middle part of heat exchanger tube, the distance between adjacent separating device is increasingly longer, from the middle part of heat exchanger tube to heat exchanger tube
Outlet, the distance between adjacent separating device are shorter and shorter.I.e. the length of heat exchanger tube is L, the distance apart from heat exchange tube inlet
For X, the distance between adjacent separating device is S, S=F1(X), S ' is the first order derivative of S, meets following require:
S '>0,0≤X<L/2；
S ' < 0, L/2≤X≤L；
Main cause is because containing on-condensible gas in fluid, and along the flow direction of fluid, on-condensible gas is still
In the presence of, will not because heat exchange tube fluid heat release and condense.From 6 entrance of heat exchanger tube to 6 middle part of heat exchanger tube, because fluid seals in the past
First 1 enters in heat exchanger tube, and in the flowing of the front of heat exchanger tube 6, the vibration of fluid and noise are relatively smaller, therefore can will divide at this time
Every the larger of the distance between device setting, damping both may be implemented and reduced noise, while resistance can also be reduced.But
Backward from the middle part of heat exchanger tube, because in the presence of the variation from heat exchanger tube 6 to the space of 9 this section of rear head from small to large, this
The variation of section will lead to quickly flowing upwards out and assemble for gas, and liquid also quickly can flow out and assemble in item lower part, therefore empty
Between variation will lead to the gas phase (air mass) of aggregation and enter end socket from tubesheet location, due to gas (vapour) liquid density contrast, air mass, which leaves, to be connect
Pipe position will move rapidly upward, and air mass original spatial position is pushed away the liquid of wall surface while also will be sprung back and hit rapidly by air mass
Wall surface is hit, water hammer is formed.Gas (vapour) liquid phase is more discontinuous, and air mass aggregation is bigger, and water hammer energy is bigger.Water hammer can be made
At the vibration of biggish noise and mechanical shock, equipment is damaged.Therefore in order to avoid the generation of this phenomenon, it is arranged at this time
The distance between adjacent separating device it is shorter and shorter, to constantly separate gas phase and liquid phase in fluid delivery process, from
And vibration and noise are reduced to the full extent.
It is found through experiments that, by above-mentioned setting, can both reduce vibration and noise to the full extent, while can protect
Card reduces the flow resistance of fluid.
Further preferably, from the entrance of heat exchanger tube to the middle part of heat exchanger tube, the distance between adjacent separating device is increasingly
Long amplitude is continuously increased, and from the middle part of heat exchanger tube to the outlet of heat exchanger tube, the distance between adjacent separating device is increasingly
Short amplitude is continuously increased.That is S " is the second derivative of S, meets following require:
S ">0,0≤X<L/2；
S " > 0, L/2≤X≤L；
It is found through experiments that, by being reduced simultaneously so set, 10% or so vibration and noise can be further decreased
The resistance of flowing 5% or so.
Preferably, the length of each separating device remains unchanged.
Preferably, other than the distance between adjacent separating device, separating device others parameter (such as length,
Caliber etc.) it remains unchanged.
Preferably, along the flow direction of fluid in heat exchanger tube 6, the multiple separating devices 5 of setting in heat exchanger tube 6, from changing
For the entrance of heat pipe 6 to the middle part of heat exchanger tube 6, the length of separating device 5 is shorter and shorter, from the middle part of heat exchanger tube 6 to heat exchanger tube 6
Outlet, the length of separating device 5 are increasingly longer.I.e. the length of separating device is C, C=F2(X), C ' is the first order derivative of C, full
Foot is following to be required:
C ' < 0,0≤X < L/2；
C ' > 0, L/2≤X≤L；
Further preferably, from the entrance of heat exchanger tube to the middle part of heat exchanger tube, the shorter and shorter amplitude of the length of separating device
It is continuously increased, from the middle part of heat exchanger tube to the outlet of heat exchanger tube, the increasingly longer amplitude of the length of separating device is continuously increased.I.e.
C " is the second derivative of C, meets following require:
C ">0,0≤X<L/2；
C " > 0, L/2≤X≤L；
The variation of the distance between for example adjacent separating device of specific reason is identical.
Preferably, the distance between adjacent separating device remains unchanged.
Preferably, the length in addition to separating device is outside one's consideration, separating device others parameter (such as adjacent spacing, caliber
Deng) remain unchanged.
Preferably, along the flow direction of fluid in heat exchanger tube 6, the multiple separating devices of setting in heat exchanger tube 6, from heat exchange
The entrance of pipe 6 is to the middle part of heat exchanger tube 6, and the hydraulic diameter of the annular distance 52 in different separating devices 5 is increasing, from heat exchanger tube
The hydraulic diameter at middle part to the outlet of heat exchanger tube, the annular distance 52 in different separating devices 5 is smaller and smaller.That is the annular distance of separating device
Hydraulic diameter be D, D=F3(X), D ' is the first order derivative of D, meets following require:
D '>0,0≤X<L/2；
D ' < 0, L/2≤X≤L；
Preferably, the annular distance hydraulic diameter of separating device is increasing from the entrance of heat exchanger tube to the middle part of heat exchanger tube
Amplitude be continuously increased, from the middle part of heat exchanger tube to the outlet of heat exchanger tube, the annular distance hydraulic diameter of separating device is smaller and smaller
Amplitude is continuously increased.I.e.
D " is the second derivative of D, meets following require:
D ">0,0≤X<L/2；
D " > 0, L/2≤X≤L.
The variation of the distance between for example adjacent separating device of specific reason is identical.
Preferably, the length of separating device and the distance of adjacent separating device remain unchanged.
Preferably, other than the annular distance hydraulic diameter of separating device, separating device others parameter (such as length, phase
The distance between adjacent separating device etc.) it remains unchanged.
Further preferably, as shown in figure 4, groove is arranged inside the heat exchanger tube 6, the shell 51 of the separating device 5 is set
It sets in groove.
Preferably, the aligning inner of the inner wall of shell 51 and heat exchanger tube 6.By alignment, so that heat transfer tube wall face table
Reach on face in the same plane, guarantees the smooth of surface.
Preferably, the thickness of shell 51 is less than the depth of groove, heat transfer tube wall face can be made to form groove in this way,
To carry out augmentation of heat transfer.
Further there is choosing, as shown in figure 5, heat exchanger tube 6 is welded for multi-segment structure, the junction setting point of multi-segment structure
Every device 5.This mode makes being simple to manufacture for the heat exchanger tube that separating device is arranged, and cost reduces.
It is learnt by analyzing and testing, the spacing between separating device cannot be excessive, leads to damping noise reduction if excessive
Effect it is bad, while can not be too small, cause resistance excessive if too small, similarly, the diameter of annular distance can not it is excessive or
Too small, the effect for also resulting in damping noise reduction is bad or resistance is excessive, therefore the present invention is through a large number of experiments, preferentially full
The normal flow resistance of foot (total pressure-bearing be 10Mpa hereinafter, the on-way resistance of single heat exchange tube be less than or equal to 50Pa/M)
In the case of, so that being optimal of damping noise reduction, has arranged the optimal relationship of parameters.
The distance between adjacent separating device is S, and the length of separating device is C, and the outer diameter of heat exchanger tube is W, neighboring concentric
Pipe 2 of arbitrary neighborhood (such as in 3 concentric tubes in Fig. 6) radius is respectively R2And R1, wherein R2>R1And/or shell
51 and the radius of adjacent concentric tube are respectively R2And R1, (such as the radius of the shell 51 in Fig. 6 is R2, what is be connected with shell is same
The radius of heart pipe is R1), the radian of the circular arc between adjacent fin is h, meet following require:
S/C=a-b*LN (W/E)；
E=((h*R2 2-h*R1 2)/2)1/2；
Wherein LN is logarithmic function, and a, b are parameters, wherein 16.1 < a < 17.2,7.9 <b < 8.8；
34<W<58mm；
7<E<12；
14<C<23mm；
50<S<70mm。
Preferably, 16.3 < a < 16.6,8.2 <b < 8.5.
Wherein the interval S of separating device is the both ends the distance between opposite with adjacent separating device；I.e. front separates dress
The distance between the front end of the tail end set and separating device below.Referring specifically to the mark of Fig. 4.
Shell 51 is actually considered as outermost concentric tube to participate in calculating together in above formula.
Radian h is the radian limited with the medium line of fin 53, referring to Fig. 7；The radius of concentric tube is respectively R2And R1Be with
The average value of the internal diameter of concentric tube and outer diameter calculates.
Further preferably, a=16.5, b=8.4.
Preferably, heat exchanger tube length L is between 3000-7500mm.Further preferably, between 4500-6000mm.
Further preferably, 40mm < W < 50mm；
18mm<C<20mm；
55mm<S<60mm。
By the preferred of the optimal geometric scale of above-mentioned formula, can be realized under the conditions of meeting normal flow resistance,
Damping noise reduction reaches optimum efficiency.
Preferably, concentric tube is 2-4, preferably 3.
Further preferably, as the increase of W/E, a are continuously increased, b constantly reduces.
For parameters such as other parameters, such as tube wall, shell wall thickness according to normal standard setting.
Preferably, fluid is water in shell side.
Preferably, tube side inner fluid speed 3-5m/S.
Preferably, the length L of heat exchanger tube and the diameter of the housing ratio of heat exchanger are 6-10.
Preferably, concentric tube and fin extend in the whole length direction of separating device 5.I.e. concentric tube and fin and
The length of the annular distance 52 formed between concentric tube and fin is equal to the length of separating device 5.
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 (7)
1. a kind of shell-and-tube heat exchanger, including shell, end socket, the connection of the end socket and shell is respectively set in the shell both ends
Tube sheet is arranged in position, and heat exchanger tube connects the tube sheet at both ends, and the gas phase in biphase gas and liquid flow is insoluble or slightly solubility gas, that is, is changed
In thermal process, gas will not be dissolved in liquid, which is characterized in that separating device, the separating device packet are arranged in the heat exchanger tube
Core and shell are included, in the shell, the shell is connected and fixed with heat transfer tube wall for the core setting, and the core includes more
A concentric tube and fin, the fin connect adjacent concentric tube；Concentric tube is 2-4.
2. heat exchanger as described in claim 1, which is characterized in that intercommunicating pore is arranged on the concentric tube and fin.
3. heat exchanger as described in claim 1, which is characterized in that the extended line of the fin passes through the center of circle of concentric tube.
4. heat exchanger as described in claim 1, which is characterized in that groove, the separating device is arranged in the heat transfer tube wall
Shell be arranged in groove, the inner wall of the shell and the aligning inner of heat exchanger tube.
5. heat exchanger as claimed in claim 4, which is characterized in that heat exchanger tube is welded for multi-segment structure, multi-segment structure
Separating device is arranged in junction.
6. heat exchanger as described in claim 1, which is characterized in that the distance between adjacent separating device is S, separating device
Length is C, and the outer diameter of heat exchanger tube is W, and the radius of neighboring concentric pipe is respectively R2And R1, wherein R2>R1, fin quantity be it is multiple,
The radian of circular arc between adjacent fin is h, meets following require:
S/C=a-b*LN (W/E)；
E=((h*R2 2-h*R1 2)/2)1/2；
Wherein LN is logarithmic function, and a, b are parameters, wherein 16.1 < a < 17.2,7.9 <b < 8.8；
Wherein the spacing of separating device is the both ends the distance between opposite with adjacent separating device；
34<W<58mm；
7<E<12；
14<C<23mm；
50<S<70mm。
7. heat exchanger as claimed in claim 6, which is characterized in that a=16.5, b=8.4.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810860218.2A CN108827037B (en) | 2017-05-09 | 2017-05-09 | Design method of gas-liquid two-phase flow heat exchanger |
| CN201710321690.4A CN107036478B (en) | 2017-05-09 | 2017-05-09 | A kind of annular and separation device heat exchanger containing on-condensible gas |
| CN201810857399.3A CN109084603B (en) | 2017-05-09 | 2017-05-09 | Design method of annular separation device in gas-liquid two-phase flow heat exchange tube |
| CN201810858041.2A CN108827036B (en) | 2017-05-09 | 2017-05-09 | Shell and tube heat exchanger |
| CN201810857589.5A CN109115006B (en) | 2017-05-09 | 2017-05-09 | Annular separation device for gas-liquid two-phase flow heat exchange tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710321690.4A CN107036478B (en) | 2017-05-09 | 2017-05-09 | A kind of annular and separation device heat exchanger containing on-condensible gas |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810858041.2A Division CN108827036B (en) | 2017-05-09 | 2017-05-09 | Shell and tube heat exchanger |
| CN201810857399.3A Division CN109084603B (en) | 2017-05-09 | 2017-05-09 | Design method of annular separation device in gas-liquid two-phase flow heat exchange tube |
| CN201810857589.5A Division CN109115006B (en) | 2017-05-09 | 2017-05-09 | Annular separation device for gas-liquid two-phase flow heat exchange tube |
| CN201810860218.2A Division CN108827037B (en) | 2017-05-09 | 2017-05-09 | Design method of gas-liquid two-phase flow heat exchanger |
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| CN107036478B true CN107036478B (en) | 2019-02-26 |
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| CN201810858041.2A Active CN108827036B (en) | 2017-05-09 | 2017-05-09 | Shell and tube heat exchanger |
| CN201810857589.5A Active CN109115006B (en) | 2017-05-09 | 2017-05-09 | Annular separation device for gas-liquid two-phase flow heat exchange tube |
| CN201710321690.4A Active CN107036478B (en) | 2017-05-09 | 2017-05-09 | A kind of annular and separation device heat exchanger containing on-condensible gas |
| CN201810860218.2A Expired - Fee Related CN108827037B (en) | 2017-05-09 | 2017-05-09 | Design method of gas-liquid two-phase flow heat exchanger |
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| CN201810858041.2A Active CN108827036B (en) | 2017-05-09 | 2017-05-09 | Shell and tube heat exchanger |
| CN201810857589.5A Active CN109115006B (en) | 2017-05-09 | 2017-05-09 | Annular separation device for gas-liquid two-phase flow heat exchange tube |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107044788B (en) * | 2017-05-09 | 2019-02-26 | 山东大学 | A kind of condensable annular and separation device heat exchanger |
| CN109612309B (en) * | 2018-12-18 | 2020-03-17 | 青岛吉云德和商贸有限公司 | Liquid medicine shell-and-tube heat exchanger for heating fumigation |
| CN109612307B (en) * | 2018-12-18 | 2020-03-17 | 青岛吉云德和商贸有限公司 | Structure optimization method for shell-and-tube heat exchanger of liquid medicine for fumigation |
| CN111678366B (en) * | 2020-04-23 | 2021-11-19 | 山东建筑大学 | Heat storage shell-and-tube heat exchanger and leakage detection method |
| CN113035400B (en) * | 2021-03-05 | 2023-01-03 | 哈尔滨工程大学 | Passive high-efficiency heat exchanger of sparse-membrane containment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1098373A1 (en) * | 1982-11-03 | 1985-11-30 | Предприятие П/Я В-2679 | Heat-exchanging pipe |
| SU1332140A1 (en) * | 1986-04-28 | 1987-08-23 | Киевский Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции | Heat exchange pipe for vertical heat exchanger |
| SU1351341A1 (en) * | 1985-06-25 | 1992-09-15 | Предприятие П/Я В-2679 | Heat-exchange pipe |
| JPH0749194A (en) * | 1992-09-25 | 1995-02-21 | Ryusuke Shimizu | Mixer using twisted plate element with two or more through-holes as heating and cooling element |
| CN1831462A (en) * | 2005-03-07 | 2006-09-13 | 松下电器产业株式会社 | Heat transfer pipe |
| CN101566437A (en) * | 2008-04-26 | 2009-10-28 | 赵文阁 | Composite sleeve double-helix heat exchanger |
| WO2011021636A1 (en) * | 2009-08-21 | 2011-02-24 | ダイキン工業株式会社 | Heat exchanger and refrigeration device with same |
| CN104279770A (en) * | 2014-10-11 | 2015-01-14 | 南京工业大学 | Solar medium-high-temperature loop heat pipe steam generator |
| CN107044788A (en) * | 2017-05-09 | 2017-08-15 | 山东大学 | A kind of condensable annular and separation device heat exchanger |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4345045A1 (en) * | 1993-12-31 | 1995-07-06 | Hoechst Ag | Heat exchange tube with built-in element |
| EP1701117B1 (en) * | 2001-07-23 | 2008-12-10 | Zexel Valeo Climate Control Corporation | Refrigerant tubing for a vehicle air conditioning system |
| CN2682365Y (en) * | 2004-01-05 | 2005-03-02 | 齐世泽 | Pipe shell type stainless steel node pipe heat exchanger |
| CN201196538Y (en) * | 2008-03-27 | 2009-02-18 | 董泗清 | Air-water, water-water two-phase integral heat exchanger |
| CN101639374A (en) * | 2009-08-26 | 2010-02-03 | 姚贤卿 | Multiphase flow rectifying device |
| CN101725740B (en) * | 2009-12-31 | 2012-03-28 | 广东联塑科技实业有限公司 | Impeller type water hammer-resistant mute check valve |
| CN103673418B (en) * | 2012-09-12 | 2016-08-03 | 珠海格力电器股份有限公司 | Refrigerant flow divider flow stabilizer and air-conditioner |
| CN205102621U (en) * | 2015-11-06 | 2016-03-23 | 洛阳双瑞特种装备有限公司 | High -efficiency steam condenser |
| CN205784735U (en) * | 2016-05-20 | 2016-12-07 | 徐州紫聚石化设备有限公司 | A kind of environment-friendly high-efficiency tubular heat exchanger |
| CN106679466B (en) * | 2017-02-13 | 2017-09-15 | 中国核动力研究设计院 | A kind of Porous Media Two phase Flow shell-and-tube heat exchanger and its stabilising arrangement |
-
2017
- 2017-05-09 CN CN201810857399.3A patent/CN109084603B/en active Active
- 2017-05-09 CN CN201810858041.2A patent/CN108827036B/en active Active
- 2017-05-09 CN CN201810857589.5A patent/CN109115006B/en active Active
- 2017-05-09 CN CN201710321690.4A patent/CN107036478B/en active Active
- 2017-05-09 CN CN201810860218.2A patent/CN108827037B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1098373A1 (en) * | 1982-11-03 | 1985-11-30 | Предприятие П/Я В-2679 | Heat-exchanging pipe |
| SU1351341A1 (en) * | 1985-06-25 | 1992-09-15 | Предприятие П/Я В-2679 | Heat-exchange pipe |
| SU1332140A1 (en) * | 1986-04-28 | 1987-08-23 | Киевский Политехнический Институт Им.50-Летия Великой Октябрьской Социалистической Революции | Heat exchange pipe for vertical heat exchanger |
| JPH0749194A (en) * | 1992-09-25 | 1995-02-21 | Ryusuke Shimizu | Mixer using twisted plate element with two or more through-holes as heating and cooling element |
| CN1831462A (en) * | 2005-03-07 | 2006-09-13 | 松下电器产业株式会社 | Heat transfer pipe |
| CN101566437A (en) * | 2008-04-26 | 2009-10-28 | 赵文阁 | Composite sleeve double-helix heat exchanger |
| WO2011021636A1 (en) * | 2009-08-21 | 2011-02-24 | ダイキン工業株式会社 | Heat exchanger and refrigeration device with same |
| CN104279770A (en) * | 2014-10-11 | 2015-01-14 | 南京工业大学 | Solar medium-high-temperature loop heat pipe steam generator |
| CN107044788A (en) * | 2017-05-09 | 2017-08-15 | 山东大学 | A kind of condensable annular and separation device heat exchanger |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108827037A (en) | 2018-11-16 |
| CN108827037B (en) | 2020-04-24 |
| CN109115006A (en) | 2019-01-01 |
| CN108827036A (en) | 2018-11-16 |
| CN108827036B (en) | 2020-04-24 |
| CN109084603B (en) | 2019-12-31 |
| CN109084603A (en) | 2018-12-25 |
| CN109115006B (en) | 2020-04-24 |
| CN107036478A (en) | 2017-08-11 |
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