CN105318768A - Inclined plate type fin - Google Patents
Inclined plate type fin Download PDFInfo
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- CN105318768A CN105318768A CN201510701903.7A CN201510701903A CN105318768A CN 105318768 A CN105318768 A CN 105318768A CN 201510701903 A CN201510701903 A CN 201510701903A CN 105318768 A CN105318768 A CN 105318768A
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- sloping portion
- plate
- fin
- projection
- mixture
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- 239000000203 mixture Substances 0.000 claims abstract description 38
- 239000012530 fluid Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 8
- 230000001154 acute effect Effects 0.000 claims description 4
- 238000009833 condensation Methods 0.000 abstract description 13
- 230000005494 condensation Effects 0.000 abstract description 13
- 238000009835 boiling Methods 0.000 abstract description 10
- 238000002474 experimental method Methods 0.000 description 12
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 10
- 230000008859 change Effects 0.000 description 9
- 239000007789 gas Substances 0.000 description 8
- 238000004080 punching Methods 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 7
- 239000007788 liquid Substances 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- 239000003345 natural gas Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005120 petroleum cracking Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008261 resistance mechanism Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
-
- 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
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2215/00—Fins
Landscapes
- 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 invention provides an inclined plate type fin which comprises horizontal parts and inclined parts. The horizontal parts and the inclined parts are connected, protrusions are machined on the inclined parts in a stamping mode, and therefore fluid at the two sides of each inclined part is communicated through holes formed in the inclined parts in a stamping mode. The protrusions extend outwards from the inclined parts in the flowing direction of mixtures. The inclined plate type fin is novel and suitable for a plate-fin heat exchanger, so that condensation of multi-component mixed media different in boiling point is achieved; the heat exchange efficiency is improved, and the fluid flowing resistance is lowered.
Description
Technical field
The invention belongs to field of heat exchangers, particularly relate to the heat exchanger that a kind of different boiling blending agent condensation uses, belong to the field of heat exchangers of F28D.
Background technology
The condensation of different boiling blending agent is the main processes of natural gas liquefaction (main component is boiling point-162 DEG C of methane, boiling point-88 DEG C of ethane, boiling point-42 DEG C of propane etc.), air separation, azeotrope refrigeration, oil or the industry such as cracking waste plastics, biogas production.For reducing the loss of technical process, this type of production technology wishes to cool according to temperature rank the component separating out different boiling step by step, self also carry out exchange heat with one cold-producing medium or product in different temperatures interval, therefore require that condensing plant conveniently realizes the heat exchange simultaneously of multiply medium.Conveniently can realize equipment mainly spiral winding heat exchange of heat pipe and the plate-fin heat exchanger two kinds of multiply medium heat exchange simultaneously at present.Spiral winding heat exchange of heat pipe is shell structure, and pressure-bearing is higher, and application is comparatively extensive, but is difficult to take enhanced heat transfer measure, and the coefficient of heat transfer is lower, and volume and weight is difficult to reduction.Plate-fin heat exchanger is along with the improvement of manufacturing process in recent years, and bearing capacity improves gradually., there is in a lot of occasions such as natural gas liquefactions the trend replacing winding pipe heat exchanger in the advantage higher, compacter with its heat transfer coefficient, weight is lighter.
Although plate-fin heat exchanger can provide the higher coefficient of heat transfer equally with under the variable working condition of condensation phase in boiling, the fin configuration of existing plate-fin heat exchanger is mainly for the mechanismic design of single-phase medium (emphasis is gas phase media) heat exchange: plain fin extends heat exchange area and reduces hydraulic diameter; Corrugated fin, saw tooth fin, louvered fin are the thinning boundary layers of disturbance fluid on expanding area basis; Be recognized the fin with apertures, the sheet band fin that are applicable to phase-change heat-exchange in the continuity for liquid film can be destroyed during condensing heat-exchange, but to be also proved effect in high reynolds number operating mode and to have superiority unlike plain fin.
The thermal resistance mechanism of non-azeotrope multicomponent blending agent condensation in natural gas liquefaction has obvious difference with pure component material condensation, and theory analysis and experiment have proved that the coefficient of heat transfer obviously reduces than pure component condensation.The existing research to non-azeotrope blending agent condensing heat-exchange is focusing more on the operating mode containing a kind of on-condensible gas, adopt the measures such as low groove, Artificial roughness surface to reduce average thickness of liquid film and be proved remarkably productive measure when pure component condensation, sometimes not obvious containing effect in on-condensible gas situation, and the condensing heat-exchange process of natural gas liquefaction, petroleum cracking industry and mechanism more complicated, condensation process comprises two or more on-condensible gases usually, and heat exchange situation is more complicated.
For the problems referred to above, the invention provides a kind of new plate-fin heat exchanger, thus solve the condensation of the different multicomponent blending agent of boiling point.
Summary of the invention
The invention provides a kind of new plate-fin heat exchanger, thus solve the condensation of the different multicomponent blending agent of boiling point, to improve heat exchange efficiency, reduce fluid flow resistance.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of inclined plate type fin, described fin comprises horizontal component and sloping portion, described horizontal component is connected with sloping portion and favours sloping portion, it is characterized in that, sloping portion processes projection by impact style, thus the hole that the fluid of sloping portion both sides is formed by impact style on sloping portion is communicated with; Described projection stretches out from sloping portion along mixture flow direction.
As preferably, the length that described projection extends is L, and along the flow direction of mixture, same sloping portion arranges multiple projection, and along the flow direction of mixture, described length L is increasing.
As preferably, along the flow direction of mixture, it is more and more less that length L becomes large amplitude.
As preferably, described fin is arranged between parallel plate, described horizontal portions parallel is in plate and stick together with plate, the base of described isosceles triangle is arranged on sloping portion, sloping portion is being H perpendicular to the standoff height on horizontal component direction, the length on isosceles triangle base is h, the distance of adjacent sloping portion is w, the drift angle of isosceles triangle is b, the angle of the bearing of trend of described projection and the flow direction of mixture is a, and the angle of the acute angle between sloping portion and plate is c, meets following formula:
c6*h/H=c1*Ln(L*sin(a)/（w*sin(c))+c2,
sin(b/2)=c3+c4*sin(a)-c5*(sin(a))
2，
Wherein Ln is logarithmic function, and c1, c2, c3, c4, c5, c6 are coefficients,
0.24<c1<0.25,0.68<c2<0.70,0.87<c3<0.88，0.68<c4<0.70，1.14<c5<1.15,
6.8<c6<7.3；
19°<a<71°，55°<b<165°,90°<c<70°；
10mm<w<15mm，6mm<H<14mm；
0.19<L*sin(a)/w<0.41,0.29<7*h/H<0.47；
H be with the relative face of adjacent plate between distance, W is that L is the distance of summit to base mid point of isosceles triangle with the relative face of adjacent sloping portion along the distance on plate direction.
As preferably, c1=0.245, c2=0.694,
c3=0.873，c4=0.691，c5=1.1454，c6=7.03。
As preferably, the angle of the bearing of trend of described projection and the flow direction of mixture is a, and same sloping portion arranges multiple projection, and along the flow direction of mixture, described angle a is more and more less.
As preferably, same sloping portion arranges multiple projection, and multiple projection is staggered to stretch out from sloping portion both sides.
As preferably, the length that described projection extends is L, and same sloping portion arranges multiple projection, and along the flow direction of mixture, described length L is more and more less.
As preferably, described projection is isosceles triangle, the base of described isosceles triangle is arranged on sloping portion, as preferably, base is identical with the angle of inclination of sloping portion, and the drift angle of described isosceles triangle is b, and same sloping portion arranges multiple projection, along the flow direction of mixture, described drift angle b is increasing.
As preferably, described projection is isosceles triangle, the base of described isosceles triangle is arranged on sloping portion, as preferably, base is identical with the angle of inclination of sloping portion, and the base of described isosceles triangle is S1, and same sloping portion arranges multiple projection, along the flow direction of mixture, described S1 is more and more less.
As preferably, same sloping portion arranges multiple projection, and the distance of adjacent protrusions is S2, and along the flow direction of mixture, described S2 is increasing.
Compared with prior art, plate type heat exchanger of the present invention and heat exchange plate thereof have following advantage:
1) projection of punching press is applied to the plate-fin heat exchanger of azeotropic multicomponent mixture condensation by the present invention first, overcomes the problem that plate-fin heat exchanger heat exchange efficiency is low for a long time, significantly improves heat exchange efficiency.
2) on the one hand can breakable layer laminar sublayer, on the other hand compared with " punching " fin, not because heat exchange area is lost in punching, and " thorn " and " hole " can disturbance fluid on differing heights respectively, strengthens different thermal resistance links;
3) aperture that punching press " aculea " is formed, by the impact of " aculea " downstream pressure field, can realize pressure and the mass exchange of fin media of both sides, damage, enhanced heat exchange to the stability of viscous sublayer and liquid film;
4) for the fluid of non-azeotrope multicomponent mixture, can the contact area of expansion gas-liquid interface and gas phase boundary and cooling wall be realized by " aculea " and strengthen disturbance;
5) easily process realization, manufacture difficulty and cost can not obviously rise;
6) by a large amount of experiments, the physical dimension of best plate-fin heat exchanger is determined;
7) be H by the distance of the adjacent plate of design, the length on isosceles triangle base is h, the distance of adjacent sloping portion is w, the drift angle of isosceles triangle is b, the angle of the bearing of trend of described projection and the flow direction of mixture is the change of the parameters such as a along fluid flow direction, improves heat exchange efficiency or reduces fluid pressure.
8) solve the problem that heat exchange efficiency containing on-condensible gas is low, save the energy greatly.
Accompanying drawing explanation
Fig. 1 is a kind of plate-fin heat exchanger heat exchange plate of the present invention structural representation;
Fig. 2 is the structural representation of the present invention's plate wing unit;
Fig. 3 is the schematic diagram that the present invention arranges raised structures sloping portion plane;
Fig. 4 is another schematic diagram that the present invention arranges raised structures sloping portion plane;
Fig. 5 is denation structural representation of the present invention;
Fig. 6 is the tangent plane structural representation in denation runner of the present invention;
The structural representation that Fig. 7 projection of the present invention extends to sloping portion both sides;
Fig. 8 sloping portion projection, hole affect schematic diagram to pressure and mass exchange.
Reference numeral is as follows:
1 seal, 2 fluid passages, 3 plates, 4 sloping portions, 5 horizontal components, 6 projections, 7 fins.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Herein, if do not have specified otherwise, relate to formula, "/" represents division, "×", " * " represent multiplication.
As shown in Figure 1, a kind of plate-fin heat exchanger for the condensation of non-azeotrope multicomponent mixture, described plate-fin heat exchanger comprises plate 3 parallel to each other, forms fluid passage 2 between described adjacent plate 3, arranges fin 7 between described adjacent plate 3.Described fin 7 comprises tilting the sloping portion 4 with plate 3, and described sloping portion is parallel to each other.By impact style processing projection 6 on sloping portion 4, thus the fluid of sloping portion 4 both sides is communicated with by the hole that sloping portion 4 is formed by impact style; Described projection 6 stretches out from sloping portion 4.
Because sloping portion 4 is parallel to each other, between therefore adjacent sloping portion 4 and upper and lower plate, constitute parallelogram passage.
By arranging projection 6, there is following advantage:
1) on the one hand can breakable layer laminar sublayer, on the other hand compared with " punching " fin, not because heat exchange area is lost in punching, and " thorn " and " hole " can disturbance fluid on differing heights respectively, strengthens different thermal resistance links;
2) aperture that punching press " aculea " is formed, by the impact of " aculea " downstream pressure field, can realize pressure and the mass exchange of fin media of both sides, damage, enhanced heat exchange, see Fig. 8 to the stability of viscous sublayer and liquid film
3) for the fluid of non-azeotrope multicomponent mixture, can the contact area of expansion gas-liquid interface and gas phase boundary and cooling wall be realized by " aculea " and strengthen disturbance;
4) easily process realization, manufacture difficulty and cost can not obviously rise.
In plate-fin heat exchanger, take above-mentioned measure, the simple and easy effective technology again of non-azeotrope blending agent condensing heat-exchange can greatly be improve.With take compared with " punching " fin, the heat exchange efficiency of 20-30% can be improved.
As preferably, the angle that described projection 6 and the flow direction of mixture are formed is acute angle.
As preferably, as shown in Figure 2, described fin 7 is apsacline fin, and described fin 7 comprises horizontal component 5 and sloping portion 4, and described horizontal component 5 is parallel with plate 3 and stick together with plate 3, and described sloping portion 4 is connected with horizontal component 5.
As shown in Figure 6, the angle of the described bearing of trend of projection 6 and the flow direction of mixture is a, and as shown in Figure 3, along the flow direction of mixture, same sloping portion 4 arranges multiple projection 6, and along the flow direction of mixture, described angle a is increasing.
Found through experiments, large by the change gradually of angle a, compared with identical with angle a, higher heat exchange efficiency can be realized, approximately can improve the heat exchange efficiency of about 10%.
As preferably, along the flow direction of mixture, it is more and more less that angle a becomes large amplitude.Found through experiments, change the amplitude that the change of angle a is large, when can ensure heat exchange efficiency, reduce flow resistance further, approximately can reduce the flow resistance of about 5%.
As preferably, the length that described projection 6 extends is L, and along the flow direction of mixture, same sloping portion 4 arranges multiple projection 6, and along the flow direction of mixture, described length L is increasing.Found through experiments, large by the change gradually of length L, compared with identical with length L, higher heat exchange efficiency can be realized, approximately can improve the heat exchange efficiency of about 9%.
As preferably, along the flow direction of mixture, it is more and more less that length L becomes large amplitude.Found through experiments, the amplitude that the change of length L is large is more and more less, when can ensure heat exchange efficiency, reduces flow resistance further, approximately can reduce the flow resistance of about 5%.
As preferably, described projection 6 is isosceles triangle, the base of described isosceles triangle is arranged on sloping portion 4, and as preferably, base is identical with the angle of inclination of sloping portion, the drift angle of described isosceles triangle is b, along the flow direction of mixture, same sloping portion 4 arranges multiple projection 6, along the flow direction of mixture, when base length remains unchanged, described projection drift angle b is more and more less.Found through experiments, by diminishing gradually of projection drift angle b, compared with identical with drift angle b, higher heat exchange efficiency can be realized, approximately can improve the heat exchange efficiency of about 8%.
As preferably, along the flow direction of mixture, the amplitude that drift angle b diminishes is more and more less.Found through experiments, the amplitude that drift angle b diminishes is more and more less, when can ensure heat exchange efficiency, reduces flow resistance further, approximately can reduce the flow resistance of about 4%.
As preferably, described projection 6 is isosceles triangle, and the base of described isosceles triangle is arranged on sloping portion, as preferably, base is identical with the angle of inclination of sloping portion, and the base length of described isosceles triangle is h, along the flow direction of mixture, same sloping portion 4 arranges multiple projection 6, along the flow direction of mixture, same sloping portion 4 arranges multiple projection, when drift angle remains unchanged, along the flow direction of mixture, described h is increasing.Found through experiments, large by the change gradually of h, compared with identical with h, higher heat exchange efficiency can be realized, approximately can improve the heat exchange efficiency of about 7%.
As preferably, along the flow direction of mixture, it is more and more less that h becomes large amplitude.Found through experiments, it is more and more less that h becomes large amplitude, when can ensure heat exchange efficiency, reduces flow resistance further, approximately can reduce the flow resistance of about 5%.
As preferably, along the flow direction of fluid, same sloping portion arranges many row's projections 6, and as shown in Figures 3 and 4, often the distance of arranging between projection is S2, and along the flow direction of mixture, described S2 is increasing.Why so arrange, main purpose is large by the change of S2, realizes, when ensureing heat exchange efficiency, reducing flow resistance further.Found through experiments, flow resistance reduces about 10%.
Described S2 is for calculating distance with the base of the projection of adjacent row.
As preferably, as shown in Figure 4, many row's projections 6 are shifted structure.
Find in an experiment, the distance of adjacent plate 3 can not be excessive, cross the reduction that conference causes heat exchange efficiency, too small meeting causes flow resistance excessive, in like manner, for the base length of isosceles triangle, drift angle, projection, the distance of fin sloping portion and the angle of fluid flow direction all can not be excessive or too small, excessive or too smallly the change of the reduction of heat exchange efficiency or flow resistance all can be caused large, therefore in the distance of adjacent plate 3, the base length of isosceles triangle, drift angle, projection, an optimized size relationship is met between fin sloping portion and the angle of fluid flow direction.
Therefore, the present invention is thousands of numerical simulations by the heat exchanger of multiple different size and test data, meeting in industrial requirements pressure-bearing situation (below 10MPa), when realizing maximum heat exchange amount, the dimensionally-optimised relation of the heat exchange plate of the best summed up.
The distance of adjacent plate is H, namely sloping portion is being H perpendicular to the standoff height on horizontal component direction, and the length on isosceles triangle base is h, and the distance of adjacent sloping portion is w, the angle of the acute angle between sloping portion and plate is c, meets following formula:
c6*h/H=c1*Ln(L*sin(a)/（w*sin(c))+c2,
sin(b/2)=c3+c4*sin(a)-c5*(sin(a))
2，
Wherein Ln is logarithmic function, and c1, c2, c3, c4, c5 are coefficients,
0.24<c1<0.25,0.68<c2<0.70,0.87<c3<0.88，0.68<c4<0.70，1.14<c5<1.15,
6.8<c6<7.3；
19°<a<71°，55°<b<165°,90°<c<70°；
10mm<w<15mm，6mm<H<14mm；
0.19<L*sin(a)/w<0.41,0.29<7*h/H<0.47；
H be with the relative face of adjacent plate between distance, W is that L is the distance of summit to base mid point of isosceles triangle with the relative face of adjacent sloping portion along the distance on plate direction.
As preferably, c1=0.245, c2=0.694,
c3=0.873，c4=0.691，c5=1.1454，c6=7.03。
As preferably, 85 ° of <c<80 °.
As preferably, along with the increase of angle c, c6 is increasing.
By the geometric scale of the best of " projection " that go out of above-mentioned formula, heat exchange efficiency can be improved, can realize only to viscous sublayer or comprise liquid film and to the strengthening comprising gas phase boundary different scale internal thermal resistance, avoiding measures is excessive, causes unnecessary drag losses simultaneously.
As preferably, the base of the adjacent projection of described same row all on one wire, the protrusion distance that same row is adjacent is S1, described 4 × h<S1<6 × h, and wherein S1 is with the distance of the mid point on the base of adjacent two isosceles triangle projections.
As preferably, the base of the isosceles triangle of the projection of adjacent row is parallel to each other, and the summit of isosceles triangle is L to the distance of base mid point, and the distance S2 of adjacent row is 4*L<S2<7*L.Be preferably S2=5*L
When the base of the isosceles triangle of adjacent row is different, take the weighted average on two bases to calculate.
As preferably, the angle of the isosceles triangle of same row is identical with base.Namely shape is identical, is equal shape.
For formula above, for the projection that front and rear row size is different, be also still suitable for.
For the concrete dimensional parameters do not mentioned, design according to normal heat exchanger.
As preferably, as shown in Figure 7, sloping portion is arranged multiple projection 6, described projection extends to the not homonymy of sloping portion
As preferably, same sloping portion is arranged arranges projection more, and to arrange projection different to the extension side of sloping portion from other at least one row's projection.
As preferably, adjacent projection of often arranging extends to the not homonymy of sloping portion.
By setting like this, fluid can be made in the passage of sloping portion both sides to replace heat exchanging tampering, improve heat exchange efficiency further.With compared with the same side, can about 8% be improved.
Although the present invention discloses as above with preferred embodiment, the present invention is not defined in this.Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range.
Claims (5)
1. an inclined plate type fin, described fin comprises horizontal component and sloping portion, described horizontal component is connected with sloping portion, it is characterized in that, sloping portion processes projection by impact style, thus the hole that the fluid of sloping portion both sides is formed by impact style on sloping portion is communicated with; Described projection stretches out from sloping portion along mixture flow direction.
2. inclined plate type fin as claimed in claim 1, is characterized in that, the length that described projection extends is L, and along the flow direction of mixture, same sloping portion arranges multiple projection, and along the flow direction of mixture, described length L is increasing.
3. inclined plate type fin as claimed in claim 2, is characterized in that, along the flow direction of mixture, it is more and more less that length L becomes large amplitude.
4. inclined plate type fin as claimed in claim 1 or 2, it is characterized in that, described projection is isosceles triangle, described fin is arranged between parallel plate, described horizontal portions parallel is in plate and stick together with plate, the base of described isosceles triangle is arranged on sloping portion, sloping portion is being H perpendicular to the standoff height on horizontal component direction, the length on isosceles triangle base is h, the distance of adjacent sloping portion is w, the drift angle of isosceles triangle is b, the angle of the bearing of trend of described projection and the flow direction of mixture is a, the angle of the acute angle between sloping portion and plate is c, meet following formula:
c6*h/H=c1*Ln(L*sin(a)/（w*sin(c))+c2,
sin(b/2)=c3+c4*sin(a)-c5*(sin(a))
2，
Wherein Ln is logarithmic function, and c1, c2, c3, c4, c5, c6 are coefficients,
0.24<c1<0.25,0.68<c2<0.70,0.87<c3<0.88，0.68<c4<0.70，1.14<c5<1.15,
6.8<c6<7.3；
19°<a<71°，55°<b<165°,90°<c<70°；
10mm<w<15mm，6mm<H<14mm；
0.19<L*sin(a)/w<0.41,0.29<7*h/H<0.47；
H be with the relative face of adjacent plate between distance, W is that L is the distance of summit to base mid point of isosceles triangle with the relative face of adjacent sloping portion along the distance on plate direction.
5. plate-fin heat exchanger as claimed in claim 3, is characterized in that, c1=0.245, c2=0.694,
c3=0.873，c4=0.691，c5=1.1454，c6=7.03。
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| CN201510701903.7A CN105318768B (en) | 2015-10-27 | 2015-10-27 | A kind of inclined plate type fin |
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| CN201510701903.7A CN105318768B (en) | 2015-10-27 | 2015-10-27 | A kind of inclined plate type fin |
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| CN105318768B CN105318768B (en) | 2018-01-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910459A (en) * | 2016-06-08 | 2016-08-31 | 无锡方盛换热器股份有限公司 | Deflector plate structure used for heat exchanger |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070012430A1 (en) * | 2005-07-18 | 2007-01-18 | Duke Brian E | Heat exchangers with corrugated heat exchange elements of improved strength |
| US7913750B2 (en) * | 2008-01-09 | 2011-03-29 | Delphi Technologies, Inc. | Louvered air center with vortex generating extensions for compact heat exchanger |
| CN102483313A (en) * | 2009-09-16 | 2012-05-30 | 开利公司 | Free-draining finned surface architecture for a heat exchanger |
| CN105180692A (en) * | 2015-10-12 | 2015-12-23 | 山东大学 | Trapezoidal plate-fin heat exchanger provided with stabs |
-
2015
- 2015-10-27 CN CN201510701903.7A patent/CN105318768B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070012430A1 (en) * | 2005-07-18 | 2007-01-18 | Duke Brian E | Heat exchangers with corrugated heat exchange elements of improved strength |
| US7913750B2 (en) * | 2008-01-09 | 2011-03-29 | Delphi Technologies, Inc. | Louvered air center with vortex generating extensions for compact heat exchanger |
| CN102483313A (en) * | 2009-09-16 | 2012-05-30 | 开利公司 | Free-draining finned surface architecture for a heat exchanger |
| CN105180692A (en) * | 2015-10-12 | 2015-12-23 | 山东大学 | Trapezoidal plate-fin heat exchanger provided with stabs |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105910459A (en) * | 2016-06-08 | 2016-08-31 | 无锡方盛换热器股份有限公司 | Deflector plate structure used for heat exchanger |
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