CN1892162A - Brazing-sheet type heat exchanger capable of using three kinds of medium to exchange heat - Google Patents
Brazing-sheet type heat exchanger capable of using three kinds of medium to exchange heat Download PDFInfo
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- CN1892162A CN1892162A CN 200510080502 CN200510080502A CN1892162A CN 1892162 A CN1892162 A CN 1892162A CN 200510080502 CN200510080502 CN 200510080502 CN 200510080502 A CN200510080502 A CN 200510080502A CN 1892162 A CN1892162 A CN 1892162A
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Abstract
The present invention refers to brazing sheet type heat exchanger to make three kinds media. It contains Each heat exchange plate having six angle of aperture peripheral tight surface structure and having zero to six angle of aperture, wherein having single layer sealing surface, all angle of aperture open calibre size and vertical distance being same, plate heat exchanger periphery four angle of aperture channel heat transfer medium inlet and outlet adopting opposite angle flow mode, such structure being benefit weak intensity material such as aluminium product to make sweat seal.
Description
Technical field
The present invention relates to a kind of plate type heat exchanger, relate in particular to and a kind ofly can make three kinds of media carry out the brazing plate type heat exchanger of heat exchange.
Background technology
This brazing plate type heat exchanger that can make three kinds of media carry out heat exchange is to fit together with the some heat exchange plates that are roughly rectangle or square and other shapes and have a fillet, on heat exchange plate, has heat exchange structure, by heat exchange plate on heat exchange structure form with concavo-convex brace rod bubble clocklike, by heat exchange plate on heat exchange structure form with ripple, in Figure of description of the present invention, the heat exchange structure on the heat exchange plate is formed with ripple.These heat exchange plates are with the external sealed with brazing of mode of perimeter ramps, be convenient to medium circulation three groups hole, totally six angles and periphery of angled hole hermetically-sealed constructions are generally arranged on these heat exchange plates, when these heat exchange plates are joined together, between these heat exchange plates, will form the several medium runner, these holes, angle on each heat exchange plate will form six angular hole paths in plate type heat exchanger, for three kinds of heat transferring medium turnover plate type heat exchangers, these heat exchange plates can be soldered or soldering together, also can use glutinous stick or gasket seal to reach connection and sealing between each heat exchange plate.
This brazing plate type heat exchanger that can make three kinds of media carry out heat exchange generally is used to two kinds of heat transferring mediums to carry out in the working environment of heat exchange with another heat transferring medium at the same time or separately.This brazing plate type heat exchanger that can make three kinds of media carry out heat exchange is applied to evaporimeter and the condenser in the kind of refrigeration cycle usually, when it is used to evaporimeter, can be understood as: two refrigerant media in the circulation of two independent coolings in the process of turnover plate type heat exchanger, can be at the same time or separately to the heat exchange of freezing of medium aqueous medium.This heat exchange form is meant; In plate type heat exchanger, water in each road water flow passage all keeps in touch and heat exchange with the separate kind of refrigeration cycle refrigerant channel of two-way simultaneously, even when stopping the circulation of refrigerant single refrigerant periodic duty only being arranged, the water in each road water flow passage equally can with the heat exchange of freezing fully of each road runner of single refrigerant of working.
Described to make three kinds of media to carry out the brazing plate type heat exchanger of heat exchange through looking into existing binomial patent, their patent No. is; 98802699.6 and 99805005.9.
The patent No. is that 98802699.6 weak point is; This plate type heat exchanger has different angle bore opens in same angular hole path, cause the seal form of each periphery of angled hole in same angular hole path also to have the sealing area of different bores simultaneously, this have the heat exchange plate of different angles bore open and hole, angle sealing area when carrying out soldering in same angular hole path, because the soldering clamping force can not be continuously and is acted on uniformly on the sealing surface of each hole, angle of every heat exchange plate and periphery of angled hole, in brazing process, may in the sealing area of periphery of angled hole, produce sealing-off or rosin joint, will influence the quality and the soldering yield rate of product thus.The weak point of this in addition patent form also is; The distribution of this angle pore structure and periphery of angled hole sealing area is unfavorable for that especially the more weak material of this intensity of similar aluminium carries out sealed with brazing.
The patent No. is that its weak point of patent of 99805005.9 is; The type of flow of same-edge current is adopted in the import and export of four angular hole path its heat transferring mediums adjacent with four fillets of plate type heat exchanger periphery, and this heat transferring medium adopts its heat exchange efficiency of the type of flow of same-edge current lower.The weak point of this in addition patent form also is; In with the hole, three groups of six angles on a slice heat exchange plate, the vertical range difference of the periphery of angled hole upper-lower seal face of diverse location, the vertical range of the periphery of angled hole upper-lower seal face that has is H, the vertical range of the periphery of angled hole upper-lower seal face that has is 2 * H, because the vertical range difference of periphery of angled hole upper-lower seal face, the ability of transmitting the soldering clamping force is also different with mode, the distribution of this angle pore structure and periphery of angled hole sealing area will influence the quality and the soldering yield rate of product, is unfavorable for that especially the more weak material of this intensity of similar aluminium carries out sealed with brazing.
Summary of the invention;
The object of the present invention is to provide a kind of above-mentioned deficiency of avoiding, have the high efficient heat exchanging performance, with low cost, can make three kinds of media carry out the brazing plate type heat exchanger of heat exchange.
In this plate type heat exchanger, the perforate caliber size in all holes, angle is identical in any one angular hole path, the vertical range of each periphery of angled hole upper-lower seal face is identical, though the seal form of each periphery of angled hole has the branch of upper-lower seal face, but have the sealing area of correspondence fully, will make the sealing area of each hole, angle and periphery of angled hole when soldering, can obtain the transmission of continuous and uniform soldering clamping force thus.The type of flow to angular flux is adopted in the import and export of four angular hole path its heat transferring mediums adjacent with four fillets of plate type heat exchanger periphery, and the distribution of all angle pore structures and periphery of angled hole sealing area will help the more weak material of this intensity of similar aluminium and carry out sealed with brazing.
The technical solution adopted for the present invention to solve the technical problems is;
Can make three kinds of media carry out the brazing plate type heat exchanger of heat exchange, comprise and have at least six heat transferring mediums to import and export that ozzles are distributed on the forward and backward baffle plate and corresponding three groups of totally six angular hole paths, have at least one to have heat exchange plate and arrange the heat exchange core body fit together in order, these are roughly rectangle and heat exchange plate square and that have a fillet is with the external sealed with brazing of mode of perimeter ramps;
Each heat exchange plate all has identical external dimensions and identical perimeter ramps sealed with brazing structure, all there are identical position and centre-to-centre spacing size in hole, angle on each heat exchange plate, heat exchange structure on each heat exchange plate is formed with clocklike concavo-convex brace rod bubble structure and ripple struction, and the compacting degree of depth of all heat exchange structures is roughly the same;
The hole, angle in each heat exchange plate and the hermetically-sealed construction of periphery of angled hole all are in groups to occurring, each group hole, diagonal angle all is positioned at two of heat exchange structure, and the type of flow to angular flux is adopted in the import and export of four angular hole path its heat transferring mediums adjacent with four fillets of plate type heat exchanger periphery;
It is characterized in that: on each heat exchange plate all by hole, six angles and six periphery of angled hole sealing surface structures and form six angular hole paths, the perforate caliber size in all holes, angle is identical in any one angular hole path, wherein there is the sealing surface structure of two right in groups periphery of angled hole all to have upper relatively individual layer sealing surface, other has the sealing surface structure of two right in groups periphery of angled hole all to have the next relatively individual layer sealing surface, the existing upper relatively sealing surface of sealing surface structure of two remaining right in groups periphery of angled hole has the next relatively sealing surface again, go up relatively at these two remaining right in groups periphery of angled hole sealing surface structures, one circle annular slope is arranged, on linking to each other with annular slope between the following double-layer seal face, the vertical range of lower seal aspect with relative on, the vertical range of layer sealing surface of placing an order is identical;
The positive concavo-convex trough of the next relatively sealing surface and heat exchange plate bottom is same aspect, and the positive concavo-convex ripple of upper relatively sealing surface and heat exchange plate top is same aspect;
Here the front of said heat exchange plate is meant; Heat exchange plate is kept flat, and when the big mouth on periphery sealing inclined-plane made progress, the heat exchange structure plate face of seeing vertically downward was the front of heat exchange plate.
The invention has the beneficial effects as follows;
By the classification of hole, angle hermetically-sealed construction distribution form, the heat exchange plate of forming this plate type heat exchanger has four kinds of different versions, and the heat exchange core body of this plate type heat exchanger is to be arranged in order by these four kinds of different heat exchange plates to fit together.
For the ease of the reliable connection of pipeline, to arrange in order by various heat exchange plates to have outside the heat exchange core body that fits together and be convenient to the baffle plate that ozzle connects and satisfy operating pressure, the material thickness of baffle plate generally is thicker than the material thickness of heat exchange plate.Have in the ordinary course of things on the forward and backward baffle plate that six ozzles are distributed in plate type heat exchanger and corresponding three groups of totally six angular hole paths, these six ozzles can be all on the front apron with hole, six angles, also can make to have only on the front apron on hole, four angles and four ozzles and the backboard has hole, two angles and two ozzles, and position and the distributed number etc. of these six ozzles on the forward and backward baffle plate of plate type heat exchanger can be set arbitrarily on demand.As require when this plate type heat exchanger is is respectively imported and exported runner bottom and left shunting or thermometric ozzle, or the medium that has is when adopting the heat exchange mode of multipaths, and angle hole number and number of nozzles and relative position etc. on the forward and backward baffle plate can be set arbitrarily on demand.
Hole, the angle opening shape on each baffle plate and the various heat exchange plate and the shape of periphery of angled hole sealing area can be circular, oval-shaped also can be various suitable forms such as polygonal.
In order to strengthen heat exchange efficiency and to reduce fluid resistance, can change the heat exchange structure on these four kinds of multi-form heat exchange plates.In these four kinds of different heat exchange plates, by heat exchange plate on heat exchange structure form with concavo-convex brace rod bubble structure clocklike, heat exchange structure on the heat exchange plate that has forms with ripple struction, have on the heat exchange plate of ripple at these, the corrugated form that has can be lambdoid, what have but can be W shape, the ripple angle that has can be greater than 90 °, what have but can be less than or equal to 90 °, can by instructions for use with need and manufacture identically or different with the heat exchange structure on these four kinds of different structure form heat exchange plates design, make three kinds to have heat transferring medium of different nature and in this plate type heat exchanger, all have higher heat exchange efficiency and lower fluid resistance.
Because the present invention has the relative distance of identical angle bore open and each periphery of angled hole upper-lower seal face in same angular hole path identical, though the seal form of each periphery of angled hole has the branch of upper-lower seal face simultaneously, but has the sealing area of correspondence fully, so when carrying out brazing plate type heat exchanger in the face of the lower material of this intensity of similar aluminium, though the brazing temperature of aluminium and the fusion temperature of aluminium are more approaching, the intensity of aluminium in soldering a little less than, but can in the corresponding fully sealing area of periphery of angled hole, be evenly distributed with complete rabbet bubble, be used for secure support periphery of angled hole sealing area and even distribution soldering clamping force, because the existence and the support of these rabbet bubbles can make each hole, angle sealing area of the low material of this intensity of similar aluminium be adjacent to and guarantee brazing quality and yield rate mutually in soldering.Adopt this intensity of similar steel and stainless steel material compacting heat exchange plate and when carrying out soldering preferably, also can not adopt the structure that in the corresponding fully sealing area of periphery of angled hole, is distributed with the rabbet bubble.
When this brazing plate type heat exchanger that can make three kinds of media carry out heat exchange is used to refrigerating evaporator, the angular hole path that is used for the aqueous medium circulation often selects to be positioned at two angular hole paths up and down of plate type heat exchanger center line, four remaining angular hole paths then be used for two refrigerant media to the angular flux heat exchange, two angular hole paths up and down that can certainly select to be positioned at the plate type heat exchanger center line are used for the circulation of refrigerant, four remaining angular hole paths then be used for two aqueous mediums to the angular flux heat exchange.
Because the flow of medium WATER AS FLOW MEDIUM is different from cold medium flux in plate type heat exchanger, so in the hole, six angles on heat exchange plate, the angle bore open that is used for the aqueous medium circulation can be greater than or less than the angle bore open of circulation refrigerant.
In refrigerant import department the liquid phase divider is arranged if require, then the inlet angle bore open of this refrigerant will be less than the angle bore open of outlet, though in the hole, angle of circulation refrigerant, the angle bore open of the inlet angle bore open of liquid phase medium divider less than its outlet arranged, but in the different angular hole path of these bores, all have identical angle bore open in any one angular hole path, the seal form of each periphery of angled hole all has the sealing area of correspondence fully in same angular hole path.When soldering, can not obtain the transmission of continuous and uniform soldering clamping force so can not influence the sealing area of each hole, angle and periphery of angled hole.
In order to satisfy the requirement that integral braze-welded sealing of plate type heat exchanger and ozzle distribute, also for the needs of multipaths heat exchange mode, in same brazing plate type heat exchanger, can there be the hole, angle on the heat exchange plate that has, for example can hole, any angle of not punching out with the contacted heat exchange plate of atresia backboard, angle hole number on the heat exchange plate that has can have one to six not wait, for example on a brazing plate type heat exchanger, hole, four angles and ozzle are arranged on front apron, hole, two angles and ozzle are arranged on backboard, the heat exchange plate that contacts with front apron is punching out and hole, corresponding four angles of front apron only, the heat exchange plate that contacts with backboard is punching out and hole, corresponding two angles of backboard only, can certainly hole, all heat exchange plates six angles of equal punching out.
Because these hermetically-sealed constructions of each periphery of angled hole are suppressed out with mould on each heat exchange plate, whether whether no matter have the actual bore in hole, angle or what holes, angle of punching out and hole, angle to change on each heat exchange plate, the hermetically-sealed construction of these periphery of angled hole all exists and can not change with the variation in hole, angle.
In same brazing plate type heat exchanger, the bore of six angular hole paths is identical or inequality, but the perforate caliber size in all holes, angle is identical in any one angular hole path.
Three kinds of media are carried out in the brazing plate type heat exchanger of heat exchange, and the relative air-proof condition of each periphery of angled hole is all formed in brazing process by heat exchange plate periphery of angled hole annular concave-convex ripple and sealing surface thereof, does not need to add any other part.
In Manufactured plate type heat exchanger, because the processing and manufacturing condition difference in each heat exchange plate and each hole, angle, the opening size in each hole, angle may have small difference in same angular hole path.This is owing to adopt traditional processing technology, each plate may be had identical caliber size by the hole, angle that punching out is come out at first, but in to operations such as plate compacting heat exchange structure and ripples, each hole, angle will be faced with different pressing conditions, the periphery of angled hole that has only has the individual layer hermetically-sealed construction, the periphery of angled hole that has but has bilayer to have the hermetically-sealed construction of different layers position, so will cause each hole, angle actual perforate bore after being pressed to be not quite similar, in fact can make the bore in each hole, angle in an angular hole path that small difference is arranged, and nisi angle bore open unanimity, the difference that each angle bore open is small is like this caused by processing technology, such technical process help reducing the manufacturing cost of product and to the sealed with brazing quality in product and each hole, angle and yield rate without any influence.
Description of drawings;
Fig. 1, be that the present invention can make three kinds of media carry out the brazing plate type heat exchanger schematic perspective view of heat exchange.
Fig. 2, be the cross section along II-II line among Fig. 1, the expression prior art can make three kinds of media carry out the brazing plate type heat exchanger profile of heat exchange.
Fig. 3, be the cross section along II-II line among Fig. 1, the expression prior art can make three kinds of media carry out the brazing plate type heat exchanger profile of heat exchange.
Fig. 4, be the cross section along II-II line among Fig. 1, the expression prior art can make three kinds of media carry out the brazing plate type heat exchanger profile of heat exchange.
Fig. 5, be four kinds of brief expressions of multi-form heat exchange plate of brazing plate type heat exchanger and assembling sequence schematic diagram among Fig. 1.
Fig. 6, be multi-form positive expression of heat exchange plates and the assembling sequence schematic diagrames of four kinds of brazing plate type heat exchangers among Fig. 1.
Fig. 7, be that the part of a kind of heat exchange plate among Fig. 6 is amplified and is added with the cutaway view of cutting open from the angle centerline hole.
Fig. 8, be the cross section along II-II line among Fig. 1, expression the present invention can make three kinds of media carry out the brazing plate type heat exchanger profile of heat exchange.
Specific implementation method;
The brazing plate type heat exchanger that the present invention shown in Figure 1 can make three kinds of media carry out heat exchange has baffle plate 13, sealed with brazing inclined-plane 14 and six ozzle 7-12 and represents to have six angular hole path 1-6.Wherein first kind of heat transferring medium represented by alphabetical A, flow out by ozzle 7 entering angle hole paths 1 and from angular hole path 6 and ozzle 12, second kind of heat transferring medium represented by letter b, flow out by ozzle 11 entering angle hole paths 5 and from angular hole path 2 and ozzle 8, the third heat transferring medium is represented by letter C, flows out by ozzle 9 entering angle hole paths 3 and from angular hole path 4 and ozzle 10.Heat transferring medium B and heat transferring medium A, C flow through plate type heat exchanger in the mode of adverse current, also can flow through plate type heat exchanger by smooth mode, and this moment, heat transferring medium B flowed out from ozzle 8 entering angle hole paths 2 and from angular hole path 5 and ozzle 11.No matter whether adverse current or following current of heat transferring medium A, B, C, heat transferring medium A and heat transferring medium C flow through in the mode to angular flux in plate type heat exchanger.
Fig. 2 is the cross section along II-II line among Fig. 1, and the expression prior art can make three kinds of media carry out the brazing plate type heat exchanger profile of heat exchange.Its weak point can see significantly that angle of departure hole D1 is less than hole, angle D3, it can also be seen that simultaneously hole, the angle sealed with brazing face of being made up of D1, D2 is less than hole, the angle sealed with brazing face of being made up of D3, D4, these two sealed with brazing faces are in same angular hole path but have the sealing area of different bores and can not be mutually corresponding, because this hole, two angles sealed with brazing face phase non-overlapping copies is also stepped, the soldering clamping force can not be continuously and vertical transmission, has been difficult to reliable mode like this and guaranteed brazing quality and yield rate.
At above-mentioned deficiency, the represented brazing plate type heat exchanger profile of Fig. 3 can address this problem, but the prior art need in angular hole path 1,3,4,6, be added with can sealed with brazing shading ring 15, such result will strengthen the weight and the cost of product, this shading ring 15 is difficult to assembling and accurate positioning simultaneously, will reduce the soldering yield rate of product thus.
Fig. 4 is the cross section along II-II line among Fig. 1, and the another kind of expression prior art can make three kinds of media carry out the brazing plate type heat exchanger profile of heat exchange.From this figure, can significantly find out; Heat transferring medium B enters ozzle 11, the relative distance of each periphery of angled hole upper-lower seal face of angular hole path 5 is (H), the soldering clamping force can be continuously and evenly and on almost vertical each sealed with brazing face that is delivered to each periphery of angled hole at this, and heat transferring medium A, C is from ozzle 10,12 flow out, angular hole path 4, the relative distance of each periphery of angled hole upper-lower seal face of 6 is (2 * H) and have long distance and be step-like inclined-plane, this inclined-plane is difficult to transmit continuously and uniformly the soldering clamping force, this inclined-plane will make the undue offset from perpendicular of soldering clamping force simultaneously, be difficult to reliable mode like this and guarantee brazing quality and yield rate.
Fig. 5 is four kinds of brief expressions of multi-form heat exchange plate of brazing plate type heat exchanger and an assembling sequence schematic diagram among Fig. 1.
It has represented to form four kinds of multi-form heat exchange plates of brazing plate type heat exchanger of the present invention, these heat exchange plates are all showed with the heat exchange structure of corrugated cardboard sheet at this, and have been represented the structure of the different ripple angle of these four kinds of heat exchange plates, corrugated form, the heat transferring medium flow direction, assembling sequence and each hole, angle and each hole, angle sealing surface.
Six angles hole K1-K6 is arranged on the heat exchange plate 19 among Fig. 5, and here the bore of set angle hole K2, K5 is identical and greater than hole, angle K1, K3, K4, K6, and is identical with the bore of hour angle hole K1, K3, K4, K6.Its direction of ripple angle on the heat exchange plate 19 is 20, and the number of degrees 21 of this ripple angle can be selected arbitrarily between 0 °-180 °, and the corrugated form on heat exchange plate 19 is a herringbone, can certainly be various suitable corrugated form such as W shape.That circulate at this diagonal angle, heat exchange plate front is heat transferring medium A, represents its roughly circulating direction with solid line, and that circulate at this heat transferring plate back side is heat transferring medium B, dots its roughly circulating direction, and said here heat exchange plate front is meant; 16-19 keeps flat with heat exchange plate, and when the big mouth on periphery sealing inclined-plane 14 made progress, the heat exchange structure plate face of seeing vertically downward was the front of heat exchange plate 16-19.
Its direction of ripple angle on the heat exchange plate 18 is 23, and the number of degrees 22 of this ripple angle can be selected arbitrarily between 0 °-180 °, and the corrugated form on heat exchange plate 18 is a herringbone, can certainly be various suitable corrugated form such as W shape.That circulate in this heat exchange plate front is heat transferring medium B, represents its roughly circulating direction with solid line, and that circulate at this diagonal angle, heat transferring plate back side is heat transferring medium A, dots its roughly circulating direction.
In Fig. 5, also represented the assembled relation between the various heat exchange plate 16-19, set the position of heat exchange plate 19 among the figure, so order stack is equipped with heat exchange plate 16 under heat exchange plate 19, order stack is equipped with the closed assemblies that circulate successively such as heat exchange plate 18,17 and 16 and gets final product on heat exchange plate 19, every heat exchange plate is and faces up, and that is to say that the inclined-plane of every heat exchange plate 16-19 periphery shown in Fig. 5 all upwards is stacked for big mouthful.The ripple angle direction the 20, the 23rd of adjacent heat exchanger plates sheet 16-19 during closed assembly, reverse mutually.
In Fig. 5, the edge of the interior circle expression perforate at K1-K6 place, hole, angle, the interior circle that has dots, it has represented a kind of the next relatively perforate edge, the positive concavo-convex trough of the perforate edge that this is the next relatively and this heat exchange plate 16-19 bottom is same aspect, the interior circle that has represents that with solid line it has represented a kind of upper relatively perforate edge, and the positive concavo-convex ripple of the perforate edge that this is upper relatively and this heat exchange plate 16-19 top is same aspect.If the first lap concentric circles outside interior circle is a dotted line, it has represented a kind of the next relatively sealing surface, the positive concavo-convex trough of the sealing surface that this is the next relatively and this heat exchange plate bottom is same aspect, if the first lap concentric circles outside interior circle is a solid line, it has represented a kind of upper relatively sealing surface, the positive concavo-convex ripple of the sealing surface that this is upper relatively and this heat exchange plate top is same aspect, in general; Its outer concentric fenestra of first lap of the interior circle that dots dots, the opposite layer position that shows circle in this is identical with its outer first lap concentric circles sealing surface, be the next relatively aspect, in like manner, represent with solid line with its outer concentric fenestra of first lap of interior circle that solid line is represented, the opposite layer position that shows circle in this is identical with its outer first lap concentric circles sealing surface, is upper relatively aspect.Hole, the angle K1-K6 that has has two concentric circles sealing surfaces outside the perforate edge, levels position of this second circle concentric circles sealing surface represents with solid line or dotted line equally, and is identical with aforementioned implication in this solid line or the implication of dotted line.
Respectively in dashed lines and hole, the angle K1-K6 that represents with solid line circle perforate edge with and the outer first lap concentric circles sealing surface and the second circle concentric circles sealing surface, the sealing surface vertical range of upper and lower relatively layer position is H=h.
Fig. 6 is positive expression of four kinds of multi-form heat exchange plate 16-19 of brazing plate type heat exchanger and an assembling sequence schematic diagram among Fig. 1.
It more image expression form actual more the representing of four kinds of multi-form heat exchange plate 16-19 of brazing plate type heat exchanger of the present invention, these heat exchange plates 16-19 all shows with the heat exchange structure of corrugated cardboard sheet at this, and has represented the structure of these 4 kinds of each hole, angle K1-K6 of various heat exchange plate 16-19 and each hole, angle sealing surface with the form of approaching actual heat exchange plate emphatically.
Equally distributed rabbet bubble 27 is all arranged on the sealing surface of each hole, angle K1-K6 periphery in Fig. 6, in order to satisfy the more weak material of this intensity of similar aluminium guarantees hole, angle K1-K6 peripheral sealing zone when carrying out soldering sealed with brazing, the vertical height of rabbet bubble structure 27 is about H=h.
The angle bore open K1-K6 in Fig. 6 among every heat exchange plate 16-19 and the hermetically-sealed construction of periphery of angled hole all are that occur and that be positioned at heat exchange structure in pairs two surveys, hole, angle K1, K6 and hole, angle K3, K4 are that the diagonal angle is paired, and hole, angle K2, K5 are paired up and down with the center line of heat exchange plate 16-19.
Each hole, angle sealing area has been represented the levels position of variant sealing area with different marks in Fig. 6, have in the individual layer sealing area at hole, angle K1-K6 periphery, the sealing area that shows with lattice is the next relatively sealing surface X1-X6, the sealing area that shows with intensive oblique line is upper relatively sealing surface S1-S6, have in the double-layer seal zone at hole, angle K1-K6 periphery, the next relatively sealing surface F1-F6 that the both useful lattice of periphery of angled hole shows, the upper relatively sealing surface E1-E6 that also useful simultaneously intensive oblique line shows, in the double-layer seal zone that each hole, angle K1-K6 periphery has, show the interval of a circle white between these two kinds of sealing surfaces, connecting with annular slope 26 between these two kinds of sealing surfaces of the time interval of this circle white, is H=h in these annular slope 26 relative its vertical ranges of sealing area at two ends up and down.
At this assembling and sealing relationship that illustrates between each hole, angle K1-K6 and each sealing surface with the heat exchange plate among Fig. 6 18,19, heat exchange plate 18 is overlayed on the heat exchange plate 19, be heat transferring medium A between the expression heat exchange plate 18,19 among Fig. 6, from K1 diagonal angle, hole, angle angle of current hole K6.
Hole, angle K1, the K6 periphery of heat exchange plate 19 is all represented with lattice for the individual layer sealing area, show that they all are the next relatively sealing surface X1, X6, and also being the individual layer sealing areas, hole, angle K1, the K6 periphery of heat exchange plate 18 all represent with intensive oblique line, show that they all are upper relatively sealing surface S1, S6, this two layer sealing surfaces S1 and X1, S6 and X6 can not be in contact with one another, and make heat transferring medium A flow between the heat exchange plate 18,19 from hole, the angle K1 of heat exchange plate 18,19 and diagonal angle outflow from hole, the angle K6 of heat exchange plate 18,19.
Hole, angle K2, the K5 of heat exchange plate 19 periphery is all represented with intensive oblique line for the sealing area of individual layer simultaneously, show that they all are upper relatively sealing surface S2, S5, hole, angle K2, the K5 periphery of heat exchange plate 18 is all represented with lattice for the sealing area of individual layer, show that they all are the next relatively sealing X2, X5, this two layer sealing surface can be in contact with one another and sealed with brazing, and heat transferring medium A can not be flowed among hole, angle K2, the K5 on the heat exchange plate 18,19.
19 jiaos of hole K3 of while heat exchange plate, the K4 periphery is a double-layer sealing structure, the sealing area of first lap is all represented with lattice, show that they all are the next relatively sealing surface F3, F4,18 jiaos of hole K3 of heat exchange plate, the K4 periphery is a double-layer sealing structure, the sealing area of first lap is all represented with intensive oblique line, show that they all are upper relatively sealing surface E3, E4, heat exchange plate 18, hole, angle K3 on 19, the first lap sealing surface of K4 can not be in contact with one another, but heat exchange plate 18, hole, angle K3 on 19, K4 all has the sealing surface of double-deck face, 19 jiaos of hole K3 of heat exchange plate, the sealing area of K4 periphery second circle is all represented with intensive oblique line, show that they all are upper relatively sealing surface E3, E4, hole, the angle K3 of heat exchange plate 18, the sealing area of K4 periphery second circle is all represented with lattice, show that they all are the next relatively sealing surface F3, F4, heat exchange plate 18, hole, angle K3 on 19, the second circle sealing surface of K4 can be in contact with one another and sealed with brazing, makes heat transferring medium A can not flow into heat exchange plate 18, hole, angle K3 on 19, among the K4.
Have one to enclose concentric inclined-plane 26 between hole, angle K3, the K4 of heat exchange plate 18,19 periphery first lap sealing area and the second circle sealing area, the sealing area that is connected with these 26 bottoms, inclined-plane and be H=h with vertical range between the sealing area that these 26 tops, inclined-plane are connected.
In order to further specify the effect of 18 jiaos of hole K3, K4 peripheries of heat exchange plate first lap sealing area, the sealing relationship of heat exchange plate 17 and 18 between each hole, angle once also need be described at this.
18 jiaos of hole K3 of known heat exchange plate, the K4 periphery is a double-layer sealing structure, hole, angle K3, the sealing area of K4 periphery first lap is all represented with intensive oblique line, show that they all are upper relatively sealing surface E3, E4, this circle sealing surface is hole, the angle K3 that is used for heat exchange plate 17, K4 is in contact with one another and sealed with brazing, because 17 jiaos of hole K3 of heat exchange plate, the K4 periphery is also all represented with lattice for the sealing area of individual layer face, show that they all are the next relatively sealing surface X3, X4, just in time with 18 jiaos of hole K3 of heat exchange plate, sealing ring contact and sealed with brazing that K4 periphery first lap is upper relatively make heat transferring medium B can not flow into heat exchange plate 17, hole, angle K3 on 18, among the K4.
Hole, angle K2, the K5 periphery of known heat exchange plate 18 is all represented with lattice for the sealing area of individual layer, show that they all are the next relatively sealing surface X2, X5, hole, angle K2, the K5 periphery of heat exchange plate 17 is all represented with intensive oblique line for the sealing area of individual layer, show that they all are upper relatively sealing surface S2, S5, hole, angle K2, K5 are the sealing surface of individual layer face on the heat exchange plate 17,18, this two layer sealing surface can not be in contact with one another, and heat transferring medium B can be flowed between plate and from hole, angle K2 from hole, the angle K5 on the heat exchange plate 17,18 flow out.
18 jiaos of hole K1 of known heat exchange plate, the K6 periphery is the sealing area of individual layer face and all represents with intensive oblique line, show that they all are upper relatively sealing surface S1, S6, and 17 jiaos of hole K1 of heat exchange plate, the K6 periphery is the sealing area of double-deck face, the sealing area of first lap is all represented with intensive oblique line, show that they all are upper relatively sealing surface E1, E6, second circle is all represented with lattice, show that they all are the next relatively sealing surface F1, F6,17 jiaos of hole K1 of heat exchange plate, the sealing E1 of K6 periphery first lap, E6 can not with 18 jiaos of hole K1 of heat exchange plate, the sealing surface S1 of K6 periphery, the S6 contact, but 17 jiaos of hole K1 of heat exchange plate, the sealing surface F1 of K6 periphery second circle, F6 can with 18 jiaos of hole K1 of heat exchange plate, the sealing surface S1 of K6 periphery, S6 contact and sealed with brazing make heat transferring medium B can not flow into heat exchange plate 17, hole, angle K1 on 18, among the K6.
Fig. 7, be that the part of a kind of heat exchange plate among Fig. 6 is amplified and is added with the cutaway view of cutting open from the angle centerline hole.This figure has stressed that heat exchange plate 16 cuts various signals represented its cutaway view open from the angle centerline hole; The signal of hole, angle K4, K5, K6, the signal that heat transferring medium A, B, C flow to, the signal of upper relatively sealing surface S4, E6, the signal of the next relatively sealing surface X5, F6, the signal of upper and lower relatively layer position sealing surface vertical range H=h, the signal of rabbet bubble structure 27, the signal of the signal on the inclined-plane, interval 26 between E6 and the F6 and heat exchange plate 16 perimeter ramps 14 etc.
Fig. 8 is the cross section along II-II line among Fig. 1, and expression the present invention can make three kinds of media carry out the brazing plate type heat exchanger profile of heat exchange.
The represented plate type heat exchanger of Fig. 8 has nine heat exchange plate 16-19, and with the forward and backward baffle plate 13 contacted heat transferring plates 16 that are, the heat exchange plate 16 that wherein contacts with backboard can be an acerous hole heat exchange plate 16.These nine heat exchange plate 16-19 and front and rear baffle 13 solderings have formed runner between the plate of two heat transferring medium A, runner between the plate of runner and four heat transferring medium B between the plate of two heat transferring medium C together altogether.Certainly these four kinds multi-form heat exchange plate 16-19 can assemble as first in the plate type heat exchanger or last a slice and the order of press Fig. 8 regulation.
In the above-described embodiments;
Can make three kinds of media carry out the brazing plate type heat exchanger of heat exchange, comprise and have at least six heat transferring mediums to import and export that ozzle 7-12 are distributed on the forward and backward baffle plate 13 and corresponding three groups of totally six angular hole path 1-6, have at least one to have heat exchange plate 16-19 and arrange the heat exchange core body fit together in order, these are roughly rectangle and heat exchange plate 16-19 square and that have a fillet is with the external sealed with brazing of mode of perimeter ramps 14;
Each heat exchange plate 16-19 all has identical external dimensions and identical perimeter ramps 14 sealed with brazing structures, hole, angle K1-K6 on each heat exchange plate 16-19 all has identical position and centre-to-centre spacing size, heat exchange structure on each heat exchange plate 16-19 is with clocklike concavo-convex brace rod bubble structure and ripple struction are formed, the compacting degree of depth of all heat exchange structures is roughly the same, and the vertical height of concavo-convex brace rod bubble and ripple is about H=h;
Hole, the angle K1-K6 among each heat exchange plate 16-19 and the hermetically-sealed construction of periphery of angled hole all are in groups to occurring, each group hole, diagonal angle K1-K6 is positioned at two of heat exchange structure, and the type of flow to angular flux is adopted in the import and export of four angular hole paths 1,3,4,6 its heat transferring medium As, the C adjacent with four fillets of plate type heat exchanger periphery;
It is characterized in that: on each heat exchange plate 16-19 all by six angles hole K1-K6 and six periphery of angled hole sealing surface structures and form six angular hole path 1-6, the perforate caliber size in all holes, angle is identical in any one angular hole path 1-6, wherein there is the sealing surface structure of right in groups hole, two angles K1-K6 periphery all to have upper relatively individual layer sealing surface S1-S6, other has the sealing surface structure of two right in groups hole, angle K1-K6 peripheries all to have the next relatively individual layer sealing surface X1-X6, go up relatively, layer sealing surface S1-S6 places an order, the vertical range of X1-X6 is about h, the existing upper relatively sealing surface E1-E6 of sealing surface structure of two remaining right in groups hole, angle K1-K6 peripheries has the next relatively sealing surface F1-F6 again, go up relatively in these two remaining right in groups hole, angle K1-K6 peripheral sealing surface structures, following double-layer seal face E1-E6, one circle annular slope 26 is arranged, on linking to each other with annular slope 26 between the F1-F6, lower seal aspect E1-E6, the vertical range of F1-F6 is about H=h;
The positive concavo-convex trough of the next relatively sealing surface X1-X6 and F1-F6 and heat exchange plate 16-19 bottom is same aspect, and the positive concavo-convex ripple of upper relatively sealing surface S1-S6 and E1-E6 and heat exchange plate 16-19 top is same aspect;
Here the front of said heat exchange plate 16-19 is meant; 16-19 keeps flat with heat exchange plate, and when the big mouth on periphery sealing inclined-plane 14 made progress, the heat exchange structure plate face of seeing vertically downward was the front of heat exchange plate 16-19.
On the every heat exchange plate 16-19 six angles hole sealing surface structure is arranged and have zero to six hole, angle K1-K6 with perforate bore.
In same brazing plate type heat exchanger, the bore of six angular hole path 1-6 is identical or inequality.
Have on the heat exchange plate 16-19 of ripple heat exchange structure, corrugated form can be lambdoid and W shape, ripple angle 21,22 can be selected arbitrarily between 0 °-180 ° on demand, the ripple angle direction the 20, the 23rd of adjacent heat exchanger plates sheet 16-19 during closed assembly, reverse mutually, the heat exchange structure on each heat exchange plate 16-19 is identical or inequality with corrugated form and ripple angle.
In the corresponding fully sealing area of hole, angle K1-K6 periphery, be evenly distributed with complete rabbet bubble structure 27, the vertical height of rabbet bubble structure 27 is about H=h, also can not have rabbet bubble structure 27 in the corresponding fully sealing area of hole, angle K1-K6 periphery.
Claims (10)
1, can make three kinds of media carry out the brazing plate type heat exchanger of heat exchange, comprise and have at least six heat transferring mediums to import and export that ozzle 7-12 are distributed on the forward and backward baffle plate 13 and corresponding three groups of totally six angular hole path 1-6, have at least one to have heat exchange plate 16-19 and arrange the heat exchange core body fit together in order, these are roughly rectangle and heat exchange plate 16-19 square and that have a fillet is with the external sealed with brazing of mode of perimeter ramps 14;
Each heat exchange plate 16-19 all has identical external dimensions and identical perimeter ramps 14 sealed with brazing structures, hole, angle K1-K6 on each heat exchange plate 16-19 all has identical position and centre-to-centre spacing size, heat exchange structure on each heat exchange plate 16-19 is with clocklike concavo-convex brace rod bubble structure and ripple struction are formed, the compacting degree of depth of all heat exchange structures is roughly the same, and the vertical height of concavo-convex brace rod bubble and ripple is about H=h;
Hole, the angle K1-K6 among each heat exchange plate 16-19 and the hermetically-sealed construction of periphery of angled hole all are in groups to occurring, each group hole, diagonal angle K1-K6 is positioned at two of heat exchange structure, and the type of flow to angular flux is adopted in the import and export of four angular hole paths 1,3,4,6 its heat transferring medium As, the C adjacent with four fillets of plate type heat exchanger periphery;
It is characterized in that: on each heat exchange plate 16-19 all by six angles hole K1-K6 and six periphery of angled hole sealing surface structures and form six angular hole path 1-6, the perforate caliber size in all holes, angle is identical in any one angular hole path 1-6, wherein there is the sealing surface structure of right in groups hole, two angles K1-K6 periphery all to have upper relatively individual layer sealing surface S1-S6, other has the sealing surface structure of two right in groups hole, angle K1-K6 peripheries all to have the next relatively individual layer sealing surface X1-X6, go up relatively, layer sealing surface S1-S6 places an order, the vertical range of X1-X6 is about h, the existing upper relatively sealing surface E1-E6 of sealing surface structure of two remaining right in groups hole, angle K1-K6 peripheries has the next relatively sealing surface F1-F6 again, go up relatively in these two remaining right in groups hole, angle K1-K6 peripheral sealing surface structures, following double-layer seal face E1-E6, one circle annular slope 26 is arranged, on linking to each other with annular slope 26 between the F1-F6, lower seal aspect E1-E6, the vertical range of F1-F6 is about H=h.
2, plate type heat exchanger according to claim 1 is characterized in that: the positive concavo-convex trough of the next relatively sealing surface X1-X6 and F1-F6 and heat exchange plate 16-19 bottom is same aspect, and the positive concavo-convex ripple of upper relatively sealing surface S1-S6 and E1-E6 and heat exchange plate 16-19 top is same aspect.
3, plate type heat exchanger according to claim 1 is characterized in that: the front of heat exchange plate 16-19 is meant; 16-19 keeps flat with heat exchange plate, and when the big mouth on periphery sealing inclined-plane 14 made progress, the heat exchange structure plate face of seeing vertically downward was the front of heat exchange plate 16-19.
4, plate type heat exchanger according to claim 1 is characterized in that: on the every heat exchange plate 16-19 six angles hole sealing surface structure is arranged and have zero to six hole, angle K1-K6 with perforate bore.
5, plate type heat exchanger according to claim 1 is characterized in that: in same brazing plate type heat exchanger, the bore of six angular hole path 1-6 is identical.
6, plate type heat exchanger according to claim 1 is characterized in that: in same brazing plate type heat exchanger, the bore of six angular hole path 1-6 is inequality.
7, plate type heat exchanger according to claim 1 is characterized in that: have on the heat exchange plate 16-19 of ripple heat exchange structure, corrugated form can be lambdoid and W shape, ripple angle 21,22 can be selected arbitrarily between 0 °-180 ° on demand, the ripple angle direction the 20, the 23rd of adjacent heat exchanger plates sheet 16-19 during closed assembly, reverse mutually, the heat exchange structure on each heat exchange plate 16-19 is identical with corrugated form and ripple angle.
8, plate type heat exchanger according to claim 1 is characterized in that: heat exchange structure on each heat exchange plate 16-19 and corrugated form and ripple angle are inequality.
9, plate type heat exchanger according to claim 1 is characterized in that: be evenly distributed with complete rabbet bubble structure 27 in the corresponding fully sealing area of hole, angle K1-K6 periphery, the vertical height of rabbet bubble structure 27 is about H=h.
10, plate type heat exchanger according to claim 1 is characterized in that: do not have rabbet bubble structure 27 in the corresponding fully sealing area of hole, angle K1-K6 periphery.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100805020A CN100401002C (en) | 2005-07-04 | 2005-07-04 | Brazing-sheet type heat exchanger capable of using three kinds of medium to exchange heat |
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| CNB2005100805020A CN100401002C (en) | 2005-07-04 | 2005-07-04 | Brazing-sheet type heat exchanger capable of using three kinds of medium to exchange heat |
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| CN1892162A true CN1892162A (en) | 2007-01-10 |
| CN100401002C CN100401002C (en) | 2008-07-09 |
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| CNB2005100805020A Active CN100401002C (en) | 2005-07-04 | 2005-07-04 | Brazing-sheet type heat exchanger capable of using three kinds of medium to exchange heat |
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