CN107966053A - A kind of condensable porous type constant-current stabilizer heat exchanger - Google Patents
A kind of condensable porous type constant-current stabilizer heat exchanger Download PDFInfo
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- CN107966053A CN107966053A CN201710267627.7A CN201710267627A CN107966053A CN 107966053 A CN107966053 A CN 107966053A CN 201710267627 A CN201710267627 A CN 201710267627A CN 107966053 A CN107966053 A CN 107966053A
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- current stabilizer
- shell
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- 239000003381 stabilizer Substances 0.000 title claims abstract description 92
- 238000012546 transfer Methods 0.000 claims abstract description 23
- 230000005514 two-phase flow Effects 0.000 claims abstract description 21
- 239000012071 phase Substances 0.000 claims abstract description 20
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000007791 liquid phase Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 6
- 230000008569 process Effects 0.000 claims abstract description 6
- 230000008439 repair process Effects 0.000 claims abstract description 5
- 239000011148 porous material Substances 0.000 claims description 3
- 230000003416 augmentation Effects 0.000 abstract description 5
- 239000012530 fluid Substances 0.000 description 20
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000009467 reduction Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000001976 improved effect Effects 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000012808 vapor phase Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
- 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
-
- 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
- F28F13/02—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by influencing fluid boundary
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention provides a kind of vehicle repair major flow tube shell type heat exchanger, including housing, the housing both ends set end socket respectively, the link position of the end socket and housing sets tube sheet, heat exchanger tube connects the tube sheet at both ends, vapour phase in stream-liquid two-phase flow can be condensed into liquid phase in heat transfer process, stream-liquid two-phase flow flows in tube side, constant-current stabilizer is set in the heat exchanger tube, the constant-current stabilizer includes core and shell, the core is set in the shell, the shell is connected fixation with heat transfer tube wall, the core is the integral structure part extended along outer cover length direction, a number of through hole is provided with the structural member.The present invention provides a kind of heat exchanger of the constant-current stabilizer of Novel structure, there are during Gas- liquid two-phase flow in pipeline, augmentation of heat transfer, while weaken the vibration of pipeline, reduce noise level.
Description
Technical field
The present invention relates to a kind of shell-and-tube heat exchanger, exchanges heat more particularly, to a kind of two-phase flow containing condensable steam
Device.
Background technology
Stream-liquid two-phase flow heat exchange is universally present in various heat-exchanger rigs, and stream-liquid two-phase flow is in heat transfer process because vapour
The presence of phase, can cause heat exchange efficiency low, deteriorate heat exchange, process fluid flow is unstable, and can cause the hair of water hammer
It is raw.When the phase of two-phase working substance is without uniformly mixing and discontinuous flowing, large-sized liquid group can occupy air mass at high speed
Space, causes two-phase flow unstable, so that tempestuously impact device and pipeline, produces sharp pounding and noise, seriously prestige
It is safe for operation to coerce equipment.
The present inventor also devises a kind of multitube constant-current stabilizer in above applying, shown in Figure 7.But such a dress
Put and find in operation, because be to be closely linked between pipe, therefore the space A formed between three pipes is relatively
It is small, because the convex arc that space A is three pipes is formed, therefore most of area stenosis of space A, fluid can be caused to be difficult to enter
By causing fluid short, so as to have impact on the heat exchange of fluid, good current stabilization can not be played the role of.Simultaneously as above-mentioned knot
Together, manufacture is difficult for more tube combinations of structure.
Therefore in view of the above-mentioned problems, the present invention provides a kind of heat exchanger of the constant-current stabilizer of Novel structure, so as to solve
The problem of above-mentioned.
The content of the invention
The object of the present invention is to provide a kind of heat exchanger of the constant-current stabilizer of Novel structure, there are vehicle repair major in pipeline
During flowing, weaken the vibration in stream-liquid two-phase flow heat exchanger tube, reduce noise level, while augmentation of heat transfer.
To achieve these goals, technical scheme is as follows：
A kind of stream-liquid two-phase flow porous type shell-and-tube heat exchanger, including housing, the housing both ends set end socket, the envelope respectively
The link position of head and housing sets tube sheet, and heat exchanger tube connects the tube sheet at both ends, and the vapour phase in stream-liquid two-phase flow is in heat transfer process
In can be condensed into liquid phase, it is characterised in that stream-liquid two-phase flow flows in tube side, and constant-current stabilizer is set in the heat exchanger tube,
The constant-current stabilizer includes core and shell, and the core is set in the shell, and the shell is connected fixation with heat transfer tube wall,
The core is the integral structure part extended along outer cover length direction, and a number of perforation is provided with the structural member
Hole.
Preferably, the through hole is circular, the distance between adjacent through hole center of circle L1>2R, wherein R are perforations
Pore radius.
Preferably, setting aperture between adjacent through hole, the connection between through hole is realized by aperture.
Preferably, set multiple constant-current stabilizers in heat exchanger tube, the distance apart from heat exchange tube inlet is X, adjacent constant-current stabilizer it
Between distance be S, S=F1(X), following require is met：
S’>0, S”>0。
Preferably, setting multiple constant-current stabilizers in heat exchanger tube, the distance apart from heat exchange tube inlet is X, constant-current stabilizer
Length is C, C=F2(X), following require is met：
C’<0, C”<0。
Preferably, setting multiple constant-current stabilizers in heat exchanger tube, the distance apart from heat exchange tube inlet is X, constant-current stabilizer
Through hole a diameter of D, D=F3(X), following require is met：
D’>0, D”>0。
Preferably, the heat transfer tube wall sets groove, the shell of the constant-current stabilizer 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, the junction of multi-segment structure sets constant-current stabilizer.
Preferably, the distance between adjacent constant-current stabilizer is S, the length of constant-current stabilizer is C, and the outside diameter of heat exchanger tube is W,
The radius of through hole is the distance between R, adjacent through hole center of circle L1, meets following require：
S/C=a-b*LN (W/（2*R）)；
L1/（2*R） =c*(W/（2*R）)-d*(W/（2*R）)2-e
Wherein LN is logarithmic function, and a, b, c, d, e is parameter, wherein 8.4<a<8.8,3.0<b<3.5；2.8<c<3.2,0.32<d
<0.38,5.0<e<5.3；
The spacing of wherein constant-current stabilizer is with the distance between opposite both ends of adjacent constant-current stabilizer；
34<W<58mm；
4<R<6mm;
13<C<21mm；
58<S<69mm；
1.05<L1/（2*R）<1.25.
Preferably, a=8.64, b=3.25, c=3.00, d=0.36, e=5.12.
Compared with prior art, it is of the invention to have the following advantages：
1）The present invention provides a kind of constant-current stabilizer of Novel structure, and two-phase fluid is separated into liquid with respect to constant-current stabilizer
Phase and gas phase, are divided into small liquid group by liquid phase, gas phase are divided into minute bubbles, suppresses the reflux of liquid phase, promote the smooth stream of gas phase
It is dynamic, play the role of regime flow, the effect with vibration and noise reducing.Relative to porous type constant-current stabilizer, current stabilization is further improved
Effect, augmentation of heat transfer, and be simple to manufacture.
2）The present invention, equivalent to interior heat exchange area is added in heat exchanger tube, is strengthened by setting porous type constant-current stabilizer
Heat exchange, improves heat transfer effect.
3）The present invention avoids existing because vehicle repair major is split in the whole cross-section location of heat exchanger tube
Only heat transfer tube wall face is split in technology, so as to expand liquid-vaqor interface and vapour phase entirely being realized on heat exchange tube section
The contact area of boundary layer and cooling wall simultaneously strengthens disturbance, reduces noise and vibrations, enhances heat transfer.
4）The present invention is by setting up the distance between adjacent constant-current stabilizer, the length of constant-current stabilizer in heat exchanger tube length side
Degree, through hole the parameter size such as outside diameter rule change, so as to further reach steady flow result, reduce noise, improve heat exchange
Effect.
5）The present invention has been carried out widely by the rule that exchanges heat caused by the change to porous type constant-current stabilizer parameters
Research, in the case of flow resistance is met, realizes the best relation formula of the effect of vibration and noise reducing.
Brief description of the drawings
Fig. 1 is the structure diagram of the two-phase flow tube shell type heat exchanger of the present invention；
Fig. 2 is the heat exchange tube structure schematic diagram of the two-phase flow tube shell type heat exchanger of the present invention；
Fig. 3 constant-current stabilizer structure diagrams of the present invention；
Fig. 4 is that constant-current stabilizer of the present invention arranges schematic diagram in heat exchanger tube；
Fig. 5 is another schematic diagram that constant-current stabilizer of the present invention is arranged in heat exchanger tube.
Fig. 6 is that constant-current stabilizer of the present invention arranges cross-sectional view in heat exchanger tube.
Fig. 7 is the structure diagram of the two-phase flow tube shell type heat exchanger in background technology.
Reference numeral is as follows：Front head 1, cover flange 2, front tube sheet 3, housing 4, constant-current stabilizer 5, heat exchanger tube 6, back tube sheet
7, cover flange 8, rear head 9, bearing 10, bearing 11, tube-side inlet pipe 12, tube side outlet 13, shell side inlet pipe 14, shell side
Outlet 15, constant-current stabilizer shell 51, hole 52, structural member 53.
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.
If it should be noted that without specified otherwise, the two phase flow that the present invention mentions is stream-liquid two-phase flow, vapour herein
Liquid phase mutually can be condensed into heat transfer process.
A kind of shell-and-tube heat exchanger as shown in Figure 1, the shell-and-tube heat exchanger include housing 4, heat exchanger tube 6, tube side
Inlet tube 12, tube side outlet 13, shell side inlet adapter 14 and shell-side outlet adapter 15；Multiple 6 groups of heat exchanger tubes being arranged in parallel
Into 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 connected 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；Before the tube side outlet 13 is arranged on
On end socket 1；The shell side inlet adapter 14 and shell-side outlet adapter 15 is arranged on housing 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, porous type constant-current stabilizer 5 is set in heat exchanger tube 6.The structure of the porous type constant-current stabilizer 5
See Fig. 3.As shown in figure 3, the constant-current stabilizer 5 includes core and shell 51, the core is arranged in shell 51, the shell
Fixation is connected with heat transfer tube wall, the core is along the integral structure part 53 of outer cover length direction extension, the structure
A number of through hole 52 is provided with part.
The present invention sets porous type constant-current stabilizer in heat exchanger tube, by porous type constant-current stabilizer by the liquid in two-phase fluid
Mutually separated with vapour phase, liquid phase is divided into small liquid group, vapour phase is divided into minute bubbles, suppresses the reflux of liquid phase, promotes vapour
Phase smooth outflow, plays the role of regime flow, has the effect of vibration and noise reducing.Relative to multitube constant-current stabilizer, further
Steady flow result, augmentation of heat transfer are improved, and is simple to manufacture.
The present invention, equivalent to interior heat exchange area is added in heat exchanger tube, is enhanced by setting porous type constant-current stabilizer
Heat exchange, improves heat transfer effect.
The present invention is because all cross-section locations of the vehicle repair major in all heat exchanger tubes are split, so that whole
The segmentation of liquid-vaqor interface and vapour phase boundary layer and the contact area of cooling wall are realized on heat exchange tube section and strengthens disturbance, greatly
Big reduces noise and vibrations, enhances heat transfer.
Preferably, the through hole is circular, the distance between adjacent through hole center of circle L1>2R, wherein R are perforations
Pore radius.
Pass through the distance between through hole center of circle L1>2R so that maintained a certain distance between adjacent through hole 52, from
And ensure each hole and preferably separate two phase flow fluid.
Preferably, the core is the structural member that integration is processed.By setting porous core, can to make
Make simple.
Preferably, setting aperture between adjacent through hole, the connection between through hole 52 is realized by aperture.
By setting aperture, it is ensured that interconnected between adjacent through hole, pressure that can uniformly between through hole
Power so that the fluid of high pressure runner flows to low pressure, while can also further separate liquid phase and vapour phase while fluid flows,
Be conducive to further stablize two-phase flow.
Preferably, along the flow direction of heat exchange tube fluid, heat exchanger tube is interior to set multiple constant-current stabilizers, from heat exchanger tube
Entrance it is increasingly longer to the distance between the outlet of heat exchanger tube, adjacent constant-current stabilizer.Distance apart from heat exchange tube inlet is X,
The distance between adjacent constant-current stabilizer is S, S=F1(X), S ' is the first order derivative of S, meets following require：
S’>0;
Main cause is because containing steam in fluid, therefore along the flow direction of fluid, steam is because heat exchange tube fluid
Heat release and condense, so as to be condensed into liquid phase, this causes along the flow direction of heat exchange tube fluid, and steam can be fewer and fewer, vapour
Vapour phase in liquid two-phase is fewer and fewer, the exchange capability of heat in heat exchanger tube can with vapor-phase conversion for liquid phase and constantly increase,
Vibrations and its noise also can with vapor-phase conversion for liquid phase and constantly reduce.Therefore, the spacing of constant-current stabilizer can be become larger,
Flow resistance on the one hand can be so reduced, on the other hand can also keep low noise and low vibrations, and can also be filled because of current stabilization
Put fewer and fewer as the distribution of inner fin, keep the heat exchange on whole heat exchanger tube uniform, but also material can be saved.
It is found through experiments that, by above-mentioned setting, can both reduces vibrations 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 distance between the outlet of heat exchanger tube, adjacent constant-current stabilizer increasingly
Long amplitude is continuously increased.That is S " is the second derivative of S, meets following require：
S”>0;
It is found through experiments that, sets by doing so, can further reduce by 8% or so vibrations and noise, while reduces flowing
6% or so resistance.
Preferably, the length of each constant-current stabilizer remains unchanged.
Preferably, in addition to the distance between adjacent constant-current stabilizer, constant-current stabilizer others parameter（Such as length,
Caliber etc.）Remain unchanged.
Preferably, along the flow direction of fluid in heat exchanger tube 6, multiple constant-current stabilizers 5 are set, from changing in heat exchanger tube 6
The entrance of heat pipe 6 is shorter and shorter to the outlet of heat exchanger tube 6, the length of constant-current stabilizer 5.I.e. the length of constant-current stabilizer is C, C=F2
(X), C ' is the first order derivative of C, meets following require：
C’<0;
Further preferably, from the entrance of heat exchanger tube to the outlet of heat exchanger tube, the amplitude that the length of constant-current stabilizer is shorter and shorter is continuous
Increase.That is C " is the second derivative of C, meets following require：
C”>0;
The change of the distance between for example adjacent constant-current stabilizer of specific reason is identical.
Preferably, the distance between adjacent constant-current stabilizer remains unchanged.
Preferably, except the length of constant-current stabilizer is outside one's consideration, constant-current stabilizer others parameter（Such as adjacent spacing, caliber
Deng）Remain unchanged.
Preferably, along the flow direction of fluid in heat exchanger tube 6, heat exchanger tube 6 is interior to set multiple constant-current stabilizers, from heat exchange
For the entrance of pipe 6 to the outlet of heat exchanger tube 6, the diameter of the through hole 52 in different constant-current stabilizers 5 is increasing.That is constant-current stabilizer
Through hole a diameter of D, D=F3(X), D ' is the first order derivative of D, meets following require：
D’>0;
Preferably, from the entrance of heat exchanger tube to the outlet of heat exchanger tube, constant-current stabilizer penetrates through the increasing amplitude of bore dia
It is continuously increased.I.e.
D " is the second derivative of D, meets following require：
D”>0。
The change of the distance between for example adjacent constant-current stabilizer of specific reason is identical.
Preferably, the length of constant-current stabilizer and the distance of adjacent constant-current stabilizer remain unchanged.
Preferably, in addition to the perforation bore dia of constant-current stabilizer, constant-current stabilizer others parameter（It is such as length, adjacent
The distance between constant-current stabilizer etc.）Remain unchanged.
Further preferably, as shown in figure 4, the inside of the heat exchanger tube 6 sets groove, the shell 51 of the constant-current stabilizer 5 is set
Put in groove.
Preferably, the aligning inner of the inner wall of shell 51 and heat exchanger tube 6.Pass through alignment so that heat transfer tube wall face table
Reach on face in the same plane, ensure the smooth of surface.
Preferably, the thickness of shell 51 is less than the depth of groove, heat transfer tube wall face can be so caused to form groove,
So as 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 of multi-segment structure is set surely
Flow device 5.The heat exchanger tube that this mode to set constant-current stabilizer is simple to manufacture, cost reduction.
Learnt by analyzing and testing, the spacing between constant-current stabilizer cannot be excessive, causes 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 through hole can not it is excessive or
Person is too small, and it is bad or resistance is excessive to also result in the effect of damping noise reduction, therefore the present invention is by largely testing, preferential
Meet normal flow resistance（Total pressure-bearing is below 10Mpa, or the on-way resistance of single heat exchange tube is less than or equal to 40Pa/M）
In the case of so that being optimal of damping noise reduction, has arranged the optimal relation of parameters.
The distance between adjacent constant-current stabilizer is S, and the length of constant-current stabilizer is C, and the outside diameter of heat exchanger tube is W, through hole
Radius is R, the distance between adjacent through hole center of circle L1, meets following require：
S/C=a-b*LN (W/（2*R）)；
L1/（2*R） =c*(W/（2*R）)-d*(W/（2*R）)2-e；
Wherein LN is logarithmic function, and a, b, c, d, e is parameter, wherein 8.4<a<8.8,3.0<b<3.5；2.8<c<3.2,0.32<d
<0.38,5.0<e<5.3；
The interval S of wherein constant-current stabilizer is with the distance between opposite both ends of adjacent constant-current stabilizer；That is above constant-current stabilizer
Tail end and the distance between front end of constant-current stabilizer below.Referring specifically to the mark of Fig. 4.
34<W<58mm；
4<R<6mm;
13<C<21mm；
58<S<69mm；
1.05<L1/（2*R）<1.25.
Preferably, a=8.64, b=3.25, c=3.00, d=0.36, e=5.12；
It is preferred that 3.8<W/（2*R）<5.0；
Preferably, heat exchanger tube length L is between 3000-7500mm.Further preferably, between 4500-6000mm.
Further preferably, 40mm<W<50mm；
9mm<2R <10mm;
18mm<C<20mm；
55mm<S<60mm。
By the preferred of the optimal geometric scale of above-mentioned formula, can realize under the conditions of meeting normal flow resistance,
Damping noise reduction reaches optimum efficiency.
Further preferably, with W/（2*R）Increase, a is continuously increased, and b constantly reduces.
For other parameters, such as the parameter such as tube wall, housing wall thickness is 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, through hole 52 extends in the whole length direction of constant-current stabilizer 5.I.e. the length of through hole 52 is equal to steady
Flow the length of device 5.
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, can make various changes or modifications, therefore protection scope of the present invention should
When being subject to claim limited range.
Claims (10)
1. a kind of vehicle repair major flow tube shell type heat exchanger, including housing, the housing both ends set end socket respectively, the end socket and
The link position of housing sets tube sheet, and heat exchanger tube connects the tube sheet at both ends, the energy in heat transfer process of the vapour phase in stream-liquid two-phase flow
Enough it is condensed into liquid phase, it is characterised in that stream-liquid two-phase flow flows in tube side, and constant-current stabilizer is set in the heat exchanger tube, described
Constant-current stabilizer includes core and shell, and the core is set in the shell, and the shell is connected fixation with heat transfer tube wall, described
Core is the integral structure part extended along outer cover length direction, and a number of through hole is provided with the structural member.
2. heat exchanger as claimed in claim 1, it is characterised in that the through hole be circular, the adjacent through hole center of circle it
Between distance L1>2R, wherein R are perforation pore radius.
3. heat exchanger as claimed in claim 1, it is characterised in that aperture is set between adjacent through hole, is realized by aperture
Connection between through hole.
4. heat exchanger as claimed in claim 1, it is characterised in that multiple constant-current stabilizers are set in heat exchanger tube, apart from heat exchanger tube
The distance of entrance is that the distance between X, adjacent constant-current stabilizer is S, S=F1(X), following require is met：
S’>0, S”>0。
5. heat exchanger as claimed in claim 1, it is characterised in that multiple constant-current stabilizers are set in heat exchanger tube, apart from heat exchanger tube
The distance of entrance is X, and the length of constant-current stabilizer is C, C=F2(X), following require is met：
C’<0, C”<0。
6. heat exchanger as claimed in claim 1, it is characterised in that multiple constant-current stabilizers are set in heat exchanger tube, apart from heat exchanger tube
The distance of entrance is X, the through hole a diameter of D, D=F of constant-current stabilizer3(X), following require is met：
D’>0, D”>0。
7. heat exchanger as claimed in claim 1, it is characterised in that the heat transfer tube wall sets groove, the constant-current stabilizer
Shell be arranged in groove, the inner wall of the shell and the aligning inner of heat exchanger tube.
8. heat exchanger as claimed in claim 7, it is characterised in that heat exchanger tube is welded for multi-segment structure, multi-segment structure
Junction sets constant-current stabilizer.
9. heat exchanger as claimed in claim 1, it is characterised in that the distance between adjacent constant-current stabilizer is S, constant-current stabilizer
Length is C, and the outside diameter of heat exchanger tube is W, and the radius of through hole is the distance between R, adjacent through hole center of circle L1, is met as follows
It is required that：
S/C=a-b*LN (W/（2*R）)；
L1/（2*R） =c*(W/（2*R）)-d*(W/（2*R）)2-e
Wherein LN is logarithmic function, and a, b, c, d, e is parameter, wherein 8.4<a<8.8,3.0<b<3.5；2.8<c<3.2,0.32<d
<0.38,5.0<e<5.3；
The spacing of wherein constant-current stabilizer is with the distance between opposite both ends of adjacent constant-current stabilizer；
34<W<58mm；
4<R<6mm;
13<C<21mm；
58<S<69mm；
1.05<L1/（2*R）<1.25.
10. heat exchanger as claimed in claim 9, it is characterised in that a=8.64, b=3.25, c=3.00, d=0.36, e=
5.12。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267627.7A CN107966053B (en) | 2017-04-21 | 2017-04-21 | A kind of condensable porous type constant-current stabilizer heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710267627.7A CN107966053B (en) | 2017-04-21 | 2017-04-21 | A kind of condensable porous type constant-current stabilizer heat exchanger |
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| CN107966053A true CN107966053A (en) | 2018-04-27 |
| CN107966053B CN107966053B (en) | 2019-03-08 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0627607A2 (en) * | 1993-06-02 | 1994-12-07 | Wieland-Werke Ag | Steam-heated heat exchanger |
| CN201449176U (en) * | 2009-06-29 | 2010-05-05 | 山东宏易城实业有限公司 | High-efficient double-corrugated turbulent heat exchanger |
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| CN107894178A (en) * | 2017-03-21 | 2018-04-10 | 山东大学 | A kind of constant-current stabilizer spacing becomes the heat exchanger of big condensable gas |
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| EP0627607A2 (en) * | 1993-06-02 | 1994-12-07 | Wieland-Werke Ag | Steam-heated heat exchanger |
| CN201449176U (en) * | 2009-06-29 | 2010-05-05 | 山东宏易城实业有限公司 | High-efficient double-corrugated turbulent heat exchanger |
| CN204944237U (en) * | 2015-07-21 | 2016-01-06 | 天津霍普环保科技有限公司 | A kind of waste gas afterheat recovery unit |
| CN107869924A (en) * | 2017-03-21 | 2018-04-03 | 山东大学 | A kind of shell-and-tube heat exchanger of the condensable multitube constant-current stabilizer of vapour phase |
| CN107869926A (en) * | 2017-03-21 | 2018-04-03 | 山东大学 | The condensable gas heat exchanger that a kind of constant-current stabilizer size tapers into |
| CN107894178A (en) * | 2017-03-21 | 2018-04-10 | 山东大学 | A kind of constant-current stabilizer spacing becomes the heat exchanger of big condensable gas |
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