CN103217049B - A kind of plate type heat exchanger and plate thereof - Google Patents
A kind of plate type heat exchanger and plate thereof Download PDFInfo
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- CN103217049B CN103217049B CN201210014200.3A CN201210014200A CN103217049B CN 103217049 B CN103217049 B CN 103217049B CN 201210014200 A CN201210014200 A CN 201210014200A CN 103217049 B CN103217049 B CN 103217049B
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Abstract
The present invention relates to a kind of plate of plate type heat exchanger, described plate comprises and is positioned at double-edged two board planes of plate: the first board plane and the second board plane, comprise the distance piece that plate is separated into at least 2 regions, described distance piece comprises the first distance piece, the second distance piece and the 3rd distance piece, described the 3rd distance piece comprises that two segment length are identical, adjacent being arranged side by side and relatively described plate caves in the opposite direction respectively groove: the first groove and the second groove, and described the first distance piece and the 3rd distance piece lay respectively at the two ends of described the second distance piece; Described the first distance piece is the extension of described the first groove on described plate, and described the second distance piece is the extension of described the second groove on described plate; At the first board plane of plate, the first distance piece and the first groove depression, the second distance piece and the second groove projection, at the second board plane of plate, the first distance piece and the first groove projection, the second distance piece and the second groove depression.
Description
Technical field
The present invention relates to heat exchange field, in particular, relate to a kind of plate type heat exchanger and plate thereof.
Background technology
Plate type heat exchanger is a kind of compact, efficient heat exchanger, requisite equipment in industrial process, be widely used in the industries such as power, chemical industry, food, air-conditioning, heat supply, machinery, it or new forms of energy are as the key equipment in UTILIZATION OF VESIDUAL HEAT IN, solar energy utilization, seawater utilization, geothermal utilization.
Plate type heat exchanger, by stacking the forming of the stamping forming thin plate sheet of multi-disc, is realized fixing by bolt or welding. Adjacent two plates form a fluid heat transfer passage, and cold fluid and hot fluid respectively passes through fluid heat transfer passage, and carries out heat exchange. A fluid heat transfer passage only flows a kind of fluid. Heat exchanger is provided with import and export at two ends. The material of plate is generally stainless steel, titanium plate, aluminium alloy etc.
Plate type heat exchanger is generally rectangular shape, and length-width ratio is generally greater than 2, because be the heat exchange efficiency that reaches certain when fluid heat transfer, fluid there are certain requirements in flow velocity and the flow process of heat exchanger. Heat exchanger is longer, and corresponding flow process is larger, and rate of flow of fluid is also often larger, is more conducive to reach the heat exchange efficiency of target.
And in some specific applied environments, heat exchanger placement space is limited, length direction limited space especially often, length-width ratio is difficult to satisfied 2 the requirement that is greater than, such as in automobile application, therefore heat exchanger can not design longly, but this will affect the realization of target heat exchange efficiency.
Taking simple individual event fluid interchange as example, the relation of the coefficient of heat transfer and rate of flow of fluid is described. In plate type heat exchanger, the type of flow is generally turbulent flow, and the n power of coefficient of heat transfer k and flow velocity v is vnBe directly proportional, n value is generally between 0.6 ~ 1.0.
The plate of prior art as shown in Figure 1, comprises central hot exchange area and the hole, angle (01,02,03,04) that is distributed in central hot exchange area surrounding, and central hot exchange area generally includes picture on surface 12 and board plane 11. Picture on surface 12 mostly is the difformity that relative board plane 11 caves in or convexes to form, such as wave pattern, pit pattern etc.
As shown in Figure 1, import and the outlet of fluid of the same race are separately positioned on two ends, and fluid flows toward outlet from whole passage from import enters fluid heat transferring passage. Heat exchanger is meeting under length requirement, for ensureing heat exchange amount, has to increase quantity or the plate groups width (corresponding to channel width) of plate.
Summary of the invention
One of object of the present invention is: the defect that can only improve by increasing the width of No. of plates or increase plate groups the heat exchange amount of heat exchanger for solving above-mentioned prior art provides a kind of plate of plate type heat exchanger, and two of object of the present invention is to provide a kind of plate type heat exchanger.
The present invention is the defect that solves above-mentioned prior art, a kind of plate of plate type heat exchanger is provided, described plate comprises and is positioned at double-edged two board planes of plate: the first board plane and the second board plane, comprise the distance piece that plate is separated into at least 2 regions, described distance piece comprises the first distance piece, the second distance piece and the 3rd distance piece, described the 3rd distance piece comprises that two segment length are identical, adjacent being arranged side by side and relatively described plate caves in the opposite direction respectively groove: the first groove and the second groove, described the first distance piece and the 3rd distance piece lay respectively at the two ends of described the second distance piece, described the first distance piece is the extension of described the first groove on described plate, and described the second distance piece is the extension of described the second groove on described plate,
At the first board plane of plate, the first distance piece and the first groove depression, the second distance piece and the second groove projection, at the second board plane of plate, the first distance piece and the first groove projection, the second distance piece and the second groove depression.
Preferably, the length of described distance piece is L, and the length of described the first distance piece is L1, and the length of described the second distance piece is L2, wherein 1/6≤L1/L≤1/3, and 1/6≤L2/L≤1/3.
Preferably, described the first groove is adjacent with the second groove and seamlessly transit, and described the first groove, the first distance piece, the second groove are roughly equal with the height of the relative described plate of the second distance piece.
Preferably, described plate is divided into two regions by described the first groove and the second groove, described two regions are respectively equipped with hole, two angles, the back-up ring in the hole, two angles in each region is separately positioned on the both sides of described plate, and the height of the relatively described plate of described back-up ring is roughly equal with the height of described the first groove, the first distance piece, the second groove and the relative described plate of the second distance piece.
Preferably, be respectively arranged with hole, two angles in the both sides of described the first distance piece and the both sides of the second distance piece, on the hole, two angles of the first distance piece both sides, back-up ring is to the direction depression of the second distance piece depression, and on the hole, two angles of the second distance piece both sides, back-up ring is thought the direction depression of the first distance piece depression.
Preferably, the described plate section of being isolated is divided into into two regions, each region comprises the heat exchange region that is positioned at its core, the region between hole, two angles is heat exchange region, heat exchange region is provided with rough picture on surface, described picture on surface is: wave pattern or pit shape, the height of the relative board plane of described picture on surface need be less than the height of the first groove and the relative board plane of the second groove.
Two of object of the present invention is: a kind of plate type heat exchanger is provided, comprises board component, described board component comprises the plate of at least 3 stacked settings, and adjacent two plates seal into a fluid heat transfer passage, and described plate is the plate described in above-mentioned any one.
Preferably, described board component comprises three plates that are cascading: the first plate, the second plate and the 3rd plate;
Preferably, the first board plane of the first board plane of described the second plate and the 3rd plate is just to arranging, the corresponding setting of the first board plane of the second board plane of described the second plate and the first plate.
Preferably, the first groove of described the second plate and the first plate compresses and contacts, and the first distance piece of two plates also compresses contact, hole, the angle back-up ring of the second distance piece both sides of two plates compresses contact, between two plates, form first fluid passage, the space between the second distance piece that two plates are oppositely arranged is communicated with fluid passage between the plate of distance piece both sides.
Preferably, the second groove of described the second plate and third edition sheet compresses and contacts, and the second distance piece of two plates also compresses contact, hole, the angle back-up ring of the first distance piece both sides of two plates compresses contact, between two plates, form second fluid passage, the space between the first distance piece that two plates are oppositely arranged is communicated with fluid passage between the plate of distance piece both sides.
The plate of plate type heat exchanger of the present invention is by adopting the first groove and the second groove that cave in the both sides to plate respectively, and respectively with the extension of the first groove and second groove of the first groove and the second groove: the first distance piece and the second distance piece, isolate respectively the lengthening fluid passage of two kinds of different fluid in plate both sides. Thereby realize under the condition of certain length, the quantity that does not increase plate also can ensure the heat exchange amount of plate type heat exchanger. Can make heat exchanger under harsh length restriction, still there is larger rate of flow of fluid and the coefficient of heat transfer.
Distance piece length L, the first distance piece length L 1 and 2 three parameters of the second distance piece length L of the plate of plate type heat exchanger of the present invention meet following proportion: 1/6≤L1/L≤1/3, and 1/6≤L2/L≤1/3, has taken into account the flow resistance of heat exchange efficiency and the fluid of plate type heat exchanger.
The stacking plate type heat exchanger forming of plate of plate type heat exchanger of the present invention makes the import of same fluid and exports the same one end that just can be arranged on heat exchanger, has simplified greatly the connecting line of heat exchanger and other equipment.
Brief description of the drawings
Figure 1 shows that the plate schematic diagram of the plate type heat exchanger of prior art;
Figure 2 shows that the plate specific embodiment schematic diagram of plate type heat exchanger of the present invention;
Figure 3 shows that the specific embodiment schematic diagram of the board component that the plate groups of plate type heat exchanger of the present invention dresses up;
Figure 4 shows that the front view of the specific embodiment of the board component that the plate groups of plate type heat exchanger of the present invention dresses up;
Figure 5 shows that the A-A cutaway view shown in Fig. 4;
Figure 6 shows that the B-B cutaway view shown in Fig. 4;
Figure 7 shows that the C-C cutaway view shown in Fig. 4;
Figure 8 shows that the fluid flow path schematic diagram of the plate type heat exchanger that the plate groups of plate type heat exchanger of the present invention dresses up.
Detailed description of the invention
The plate of plate type heat exchanger as shown in Figure 2, plate comprises and is positioned at double-edged two board planes of plate: the first board plane 101(is as shown in Figure 2) and the second board plane 102(is as shown in Figure 3). Plate comprises the distance piece that plate is separated into at least 2 regions, distance piece comprises the first distance piece 211, the second distance piece 212 and the 3rd distance piece, the 3rd distance piece comprises that two segment length are identical, adjacent being arranged side by side and relative plate caves in the opposite direction respectively groove: the first groove 201 and the second groove 202, the first distance pieces 211 and the second distance piece 212 lay respectively at the two ends of the 3rd distance piece; The first distance piece 211 is the first extension of groove 201 on plate, and the second distance piece 212 is the second extension of groove 202 on plate.
Just form respectively like this fluid course of distance piece two side areas in the both sides of plate: at the first board plane 101 of plate, the first distance piece 211 and the first groove 201 cave in, the second distance piece 212 and the second groove 202 projections, at the second board plane 102 of plate, the first distance piece 211 and the first groove 201 projections, the second distance piece 212 and the second groove 202 cave in.
Be adjacent the first board plane 101 of plate in the first side of the next plate of situation of the stacked setting of multiple plates just to arranging, the second board plane 102 of a plate is adjacent the second board plane 102 of plate just to arranging. Thereby make the first distance piece 211 of adjacent plate and the first groove 201 respectively crimping the space between adjacent plate is divided into two spaces, the position that fluid caves in from the second distance piece 212 under the first distance piece 211 of crimping and the guiding of the first groove 201 flows into another space.
In like manner the second distance piece 212 of adjacent plate and the second groove 202 respectively crimping the space between adjacent plate is divided into two spaces, the position that fluid caves in from the second distance piece 212 under the first distance piece 211 of crimping and the guiding of the first groove 201 flows into another space.
Cause the first distance piece 211 and the second distance piece 212, respectively to the both sides depression of plate, so just can isolate respectively in plate both sides the lengthening fluid passage of two kinds of different fluid. Thereby realize under the condition of certain length, the quantity that does not increase plate also can ensure the heat exchange amount of plate type heat exchanger.
The plate of plate type heat exchanger of the present invention can make heat exchanger under harsh length restriction, still have larger rate of flow of fluid and the coefficient of heat transfer.
Such as, the length of heat exchanger is H, and by a baffling, heat exchanger is from the actual effective length with 2H of angle of fluid interchange, and corresponding flow velocity is 2 times of prior art (non-baffling). According to heat exchange law, coefficient of heat transfer k will be increased to 2nDoubly (n=0.6 ~ 1.0). According to heat exchange formula Q=k*S*dT, wherein Q is heat exchange amount, and S is heat exchange area, and dT is the mean temperature difference of two kinds of fluids, at dT and Q constant in the situation that, when k is increased to 2nTimes time, total heat exchange area S will reduce 1-1/2n, in the time of n=0.8, total heat exchange area S minimizing amplitude reaches 40%. That is: for realizing identical heat exchange amount, in the situation that other parameters are identical, use plate of the present invention, the heat exchanger of the length L relative usage prior art plate of heat exchanger can reduce approximately 40%.
On each plate, the quantity of distance piece can specifically arrange according to actual conditions, and in embodiments of the invention, plate is provided with a distance piece, and plate is divided into 2 regions. In ensuing description of the present invention, only tell about as example taking the plate of a distance piece, the plate that is provided with multiple distance pieces can be derived and draw also in protection scope of the present invention according to the embodiment of the present invention, does not repeat them here.
Concrete, the first groove 201 is adjacent with the second groove 202 and seamlessly transit. And the first groove 201 is roughly the same with the cup depth of the second groove 202 relative board planes, so just can ensure well that the distance between plates of heat exchanger is from roughly equal.
Wherein, the length of distance piece is L, and the length of the first distance piece 211 is L1, and the length of the second distance piece is L2. Path width while having determined fluid baffling because of the length ratio relation of the first distance piece 211 and the second distance piece 212 and distance piece, therefore the length ratio relation of the first distance piece 211 and the second distance piece 212 and distance piece has determined flow resistance and the flowing velocity of fluid. If the first distance piece 211 and the second distance piece 212 are excessive with the length ratio of distance piece, will cause amassing and can not utilize well by hot side, the technique effect that baffling brings will be had a greatly reduced quality. If the first distance piece 211 and the second distance piece 212 are too small with the length ratio of distance piece, the flow resistance will cause fluid baffling time is excessive. For taking into account heat exchange efficiency and flow resistance, need to ensure that L, L1 and tri-parameters of L2 meet following proportion: 1/6≤L1/L≤1/3, and 1/6≤L2/L≤1/3.
For ensureing fluid outflow heat exchanger again after baffling, hole, the angle back-up ring on plate needs special setting. Hole, angle back-up ring can be both the boss becoming in plate upper punch swaging, can be also that fixing seal is arranged on hole, angle annulus part around. The height of the relative board plane of back-up ring equals the height of the first groove 201 or the second groove 202 relative board planes.
As shown in Fig. 2 to Fig. 8, be respectively arranged with hole, two angles in the both sides of the first distance piece 211 and the both sides of the second distance piece 212. The direction depression that back-up ring caves in to the second distance piece 212 on the hole, two angles of the first distance piece 211 both sides, on the hole, two angles of the second distance piece 212 both sides, back-up ring is thought the direction depression that the first distance piece 211 caves in.
So, the import of same fluid and outlet just can be arranged on same one end of heat exchanger, have simplified greatly the connecting line of heat exchanger and other equipment.
The plate section of being isolated is divided into into two regions, and each region comprises the heat exchange region that is positioned at its core, and the region between hole, two angles is heat exchange region. On heat exchange region, can suppress as required various picture on surface and ensure that suitably to increase fluid flow resistance fluid stops certain hour to realize maximized exchange heat in heat exchange region. The height of the relative board plane of picture on surface need be less than the height of the first groove 201 and the second groove 202 relative board planes. The concrete shape of picture on surface is not limit, and can be both the herringbone ripple shown in example, can be also pit shape, specifically can design according to actual conditions.
Be the schematic diagram of the stacking board component that forms plate type heat exchanger of plate of plate type heat exchanger of the present invention as shown in Figures 4 to 7. The board component of plate type heat exchanger comprises the plate of at least 2 stacked settings. The given board component embodiment of the present embodiment comprises three plates that are cascading: the first plate 1, the second plate 2 and the 3rd plate 3.
Plate type heat exchanger is as shown in Figure 8 stacking by some stamping forming plates, fixedly form, and the fixed form of plate surrounding can be soldering or bolt is fixed or Laser Welding etc., and adjacent two plates seal into a fluid heat transfer passage. Single line arrow shown in figure and double-lined arrow represent two kinds of different fluids in plate type heat exchanger glide path. When actual use, the import and export of two kinds of fluids can be both the one end of heat exchanger that coexists, and also can be distributed in the two ends of heat exchanger.
As shown in Figures 5 to 7, the first board plane 101 of the second plate 2 and the first board plane 101 of the 3rd plate 3 are just to arranging, the first groove 201 of two plates compresses contact, and the first distance piece 211 of two plates also compresses contact, hole, the angle back-up ring of the second distance piece 212 both sides of two plates compresses contact. The second board plane 102 of the second plate 2 and the first board plane 101 of the first plate 1 are just to arranging, the second groove 202 of two plates compresses contact, and the second distance piece 212 of two plates also compresses contact, hole, the angle back-up ring of the first distance piece 211 both sides of two plates compresses contact.
Between the second plate 2 and the first plate 1, form first fluid passage, the space between the second distance piece 212 that two plates are oppositely arranged is communicated with fluid passage between the plate of distance piece both sides. Between the second plate 2 and third edition sheet 3, form second fluid passage, the space between the first distance piece 211 that two plates are oppositely arranged is communicated with fluid passage between the plate of distance piece both sides. First fluid and second fluid are realized heat exchange by the second plate heat conduction.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a plate for plate type heat exchanger, described plate comprises that being positioned at double-edged two plates of plate puts downFace: the first board plane (101) and the second board plane (102), it is characterized in that, comprise plate is separatedThe distance piece that becomes at least 2 regions, described distance piece comprises the first distance piece (211), the second distance piece(212) the and three distance piece, described the 3rd distance piece comprises that two segment length are identical, adjacent being arranged side by sideAnd the groove that relatively described plate caves in the opposite direction respectively: the first groove (201) and the second groove(202), described the first distance piece (211) and the second distance piece (212) lay respectively at the described the 3rd everyFrom the two ends of section; Described the first distance piece (211) is that described the first groove (201) is on described plateExtension, described the second distance piece (212) is that described the second groove (202) is on described plateExtension;
At first board plane (101) of plate, the first distance piece (211) and the first groove (201) are recessedFall into, the second distance piece (212) and the second groove (202) projection, at second board plane (102) of plate,The first distance piece (211) and the first groove (201) projection, the second distance piece (212) and the second groove(202) depression.
2. the plate of plate type heat exchanger according to claim 1, is characterized in that, described distance pieceLength be L, the length of described the first distance piece (211) is L1, described the second distance piece (212)Length be L2, wherein 1/6≤L1/L≤1/3, and 1/6≤L2/L≤1/3.
3. the plate of plate type heat exchanger according to claim 1 and 2, is characterized in that, describedOne groove (201) is adjacent with the second groove (202) and seamlessly transit, described the first groove (201),The first distance piece (211), the second groove (202) described board plane relative to the second distance piece (212)Height roughly equal.
4. the plate of plate type heat exchanger according to claim 3, is characterized in that, described first recessedDescribed plate is divided into two regions by groove (201) and the second groove (202), and described two regions are dividedBe not provided with hole, two angles, the back-up ring in the hole, two angles in each region is separately positioned on the both sides of described plate,The height of the relatively described plate of described back-up ring and described the first groove (201), the first distance piece (211),The second groove (202) is roughly equal with the height of the relative described plate of the second distance piece (212).
5. the plate of plate type heat exchanger according to claim 4, is characterized in that, zones of differentHole, two angles is arranged on the both sides of described the first distance piece (211), and establish in the hole, angle of two other zones of differentPut in the both sides of the second distance piece (212), on the hole, two angles of the first distance piece (211) both sides, keep offCircle is to the direction depression of the second distance piece (212) depression, at two of the second distance piece (212) both sidesOn hole, angle, back-up ring is to the direction depression of the first distance piece (211) depression.
6. the plate of plate type heat exchanger according to claim 5, is characterized in that, described plate quiltDistance piece is divided into two regions, and each region comprises the heat exchange region that is positioned at its core, sameRegion between the hole, two angles in one region is heat exchange region, and heat exchange region is provided with rough surfacePattern, described picture on surface is: wave pattern or pit shape, the relative board plane of described picture on surfaceHeight need be less than the height of the first groove (201) and the relative board plane of the second groove (202).
7. a plate type heat exchanger, is characterized in that, comprises board component, and described board component comprises at least 2The plate of individual stacked setting, adjacent two plates seal into a fluid heat transfer passage, and described plate is rightPlate described in requirement 1-6 any one.
8. plate type heat exchanger according to claim 7, is characterized in that, described board component comprises threeThe individual plate being cascading: the first plate (1), the second plate (2) and the 3rd plate (3);
First board plane (101) of described the second plate (2) and the first board plane of the 3rd plate (3)(101) just to arranging, second board plane (102) of described the second plate (2) and the first plate (1)The first board plane (101) just to arrange.
9. plate type heat exchanger according to claim 8, is characterized in that, described the second plate (2)Compress and contact with first groove (201) of the first plate (1), and first distance piece (211) of two platesAlso compress contact, hole, the angle back-up ring of the second distance piece (212) both sides of two plates compresses contact, twoBetween plate, form first fluid passage, between the second distance piece (212) that two plates are oppositely arrangedFluid passage between the plate of connection distance piece both sides, space.
10. plate type heat exchanger according to claim 8, is characterized in that, described the second plate (2)Compress and contact with second groove (202) of the 3rd plate (3), and second distance piece (212) of two platesAlso compress contact, hole, the angle back-up ring of the first distance piece (211) both sides of two plates compresses contact, twoBetween plate, form second fluid passage, between the first distance piece (211) that two plates are oppositely arrangedFluid passage between the plate of connection distance piece both sides, space.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210014200.3A CN103217049B (en) | 2012-01-18 | 2012-01-18 | A kind of plate type heat exchanger and plate thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210014200.3A CN103217049B (en) | 2012-01-18 | 2012-01-18 | A kind of plate type heat exchanger and plate thereof |
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| CN103217049A CN103217049A (en) | 2013-07-24 |
| CN103217049B true CN103217049B (en) | 2016-05-04 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105300161B (en) * | 2014-07-11 | 2018-06-01 | 杭州三花研究院有限公司 | Heat exchanger and its radiating fin |
| EP3411648A4 (en) * | 2016-02-03 | 2019-10-09 | Modine Manufacturing Company | Battery cooling plate heat exchanger and plate assembly |
| CN107228582A (en) * | 2016-03-25 | 2017-10-03 | 丹佛斯微通道换热器（嘉兴）有限公司 | Plate type heat exchanger |
| CN107664445A (en) * | 2016-07-28 | 2018-02-06 | 恒丰工程（香港）有限公司 | Multipaths detachable plate heat exchanger and its special heat exchanger plates |
| CN107782179A (en) | 2016-08-25 | 2018-03-09 | 杭州三花研究院有限公司 | Plate type heat exchanger |
| KR101900232B1 (en) * | 2016-11-28 | 2018-09-19 | 조형석 | Plate heat exchanger |
| PL3587984T3 (en) * | 2018-06-28 | 2021-04-06 | Alfa Laval Corporate Ab | Heat transfer plate and gasket |
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| US4815534A (en) * | 1987-09-21 | 1989-03-28 | Itt Standard, Itt Corporation | Plate type heat exchanger |
| JPH09222285A (en) * | 1996-02-15 | 1997-08-26 | Zexel Corp | Heat-exchanger |
| CN1323387A (en) * | 1998-10-15 | 2001-11-21 | 株式会社荏原制作所 | Plate type heat exchanger |
| CN102138053A (en) * | 2008-08-28 | 2011-07-27 | 艾雷克股份公司 | Plate heat exchanger |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4815534A (en) * | 1987-09-21 | 1989-03-28 | Itt Standard, Itt Corporation | Plate type heat exchanger |
| JPH09222285A (en) * | 1996-02-15 | 1997-08-26 | Zexel Corp | Heat-exchanger |
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Effective date of registration: 20170511 Address after: 310018 No. 301, No. 12, Hangzhou economic and Technological Development Zone, Zhejiang Province Patentee after: Zhejiang Sanhua Automobile Components Co., Ltd. Address before: 310018, Zhejiang, Hangzhou Economic Development Zone Xiasha street, No. 12, No. 289 Patentee before: Hangzhou Sanhua Institute Co., Ltd. |
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