CN1080869C - Plate type heat exchanger with integral braze-welded structure - Google Patents
Plate type heat exchanger with integral braze-welded structure Download PDFInfo
- Publication number
- CN1080869C CN1080869C CN 96103317 CN96103317A CN1080869C CN 1080869 C CN1080869 C CN 1080869C CN 96103317 CN96103317 CN 96103317 CN 96103317 A CN96103317 A CN 96103317A CN 1080869 C CN1080869 C CN 1080869C
- Authority
- CN
- China
- Prior art keywords
- corrugated
- type bar
- cardboard sheet
- soldering
- heat exchanger
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000005476 soldering Methods 0.000 claims description 25
- 238000007747 plating Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 12
- 230000008676 import Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 229910052782 aluminium Inorganic materials 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 7
- 239000004411 aluminium Substances 0.000 description 6
- 238000005219 brazing Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910000679 solder Inorganic materials 0.000 description 4
- 239000010935 stainless steel Substances 0.000 description 4
- 239000000956 alloy Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 229910001069 Ti alloy Inorganic materials 0.000 description 2
- 150000001398 aluminium Chemical class 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- VEMKTZHHVJILDY-UHFFFAOYSA-N resmethrin Chemical compound CC1(C)C(C=C(C)C)C1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UHFFFAOYSA-N 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention discloses a plate type heat exchanger with an integral braze-welded structure. Shaped strips made of solid shaped steel are arranged among corrugated plates of the existing plate type heat exchanger with an integral braze-welded structure, are bent into the shape of the periphery of the corrugated plates and are braze-welded with the corrugated plates, and every two adjacent corrugated plates and ridges thereof are mutually braze-welded. The present invention also has a built-in outer passage of which the corrugated plate lacks two corners, and an outer-passage flow channel forms between a cover plate of the outer passage and the unfilled corners. The rigid supporting mode with the shaped strips of the present invention satisfies that the plate type heat exchanger with an integral braze-welded structure can be made of materials such as aluminum and aluminum alloy; the present invention is lower in manufacturing cost and can reduce rejection rate and prolong the service life of products.
Description
The present invention relates to a kind of heat exchanger, relate in particular to a kind of plate type heat exchanger.
General removable plate type heat exchanger is pressure strips before and after adopting, fastening bolt, and that corrugated cardboard sheet and the method for placing packing ring are piecewise carried out is fastening, pressure-bearing, sealing and heat exchange.This removable plate type heat exchanger is subjected to the restriction of forward and backward pressure strip and packing ring, can only bear lower operating pressure and operating temperature, and its functional reliability is also relatively poor, has occurred having welded plate type heat exchanger subsequently.For example: full brazing plate type heat exchanger of stainless steel material that Sweden Alfa Laval company produces and Chinese patent 91227597.9 etc.Though these two kinds have the Welding Structure plate type heat exchanger advantage and the scope of application are respectively arranged, but weak point is arranged also: the external full brazing plate type heat exchanger of producing of stainless steel material, its structure is owing to lack rigid support between plate, still have the stainless steel of certain intensity or the product made from titanium alloy etc materials so it only is suitable for its product material under integral braze-welded temperature, it is not suitable for the product made as aluminium and this class of aluminium alloy material that its strength of materials is lower under integral braze-welded temperature.Because lack the product structure of rigid support between this plate, will make those with as the plate ripple made of aluminium and this class material of aluminium alloy, pressurized in brazing process and produce uncontrollable gross distortion is down to the product of postwelding can't be used at all.Chinese patent 91227597.9 described products, by the content of its claims and specification, the both sides at heat exchange core body are given prominence in the position of its outer tunnel, make product be difficult for using and installing, and cost increases.In addition, it does not require on each contact point of ripple crestal line between the plate and installs solder additional, does not require to comprise the integral braze-welded of each contact point of ripple crestal line between the plate yet.Though given prominence to the removable and removable characteristics of product interior section like this, it still needs to use forward and backward pressure strip.This have Welding Structure but still have the product of forward and backward pressure strip, its volume, weight and bearing capacity etc. do not have very big difference with general removable plate type heat exchanger, and above various reasons causes this product still to have some defectives in manufacturing cost and product application facet.
The purpose of this invention is to provide a kind of plate type heat exchanger with integral braze-welded structure, all places of being in contact with one another comprise that each ripple crestal line contact point all requires with integral braze-welded mode welded together in its product, pressure strip and fastening and seal form thereof before and after can saving, can adopt integral braze-welded mode to make plate type heat exchanger with type bar rigid support mode is satisfied as aluminium and this class of aluminium alloy material that intensity is lower under the temperature of soldering, the plate type heat exchanger that obtains to adapt to the working environment of higher temperature and pressure and have higher functional reliability.Employing type bar integral braze-welded structure makes that to make board-like parallel operation selection more extensive, can be with aluminium and aluminum alloy materials manufacturing, and the cost of aluminium and aluminium alloy is more much lower than stainless steel and titanium alloy, so product cost of the present invention reduces energetically.
Another object of the present invention provides a kind of plate type heat exchanger with integral braze-welded structure of built-in outer tunnel, and it is than external outer tunnel plate type heat exchanger, and is simple in structure as Chinese patent 91227597.9, installs and uses more convenient.When corrugated plating or its welding portion seepage occurs and mix the chamber, can open the outer tunnel cover plate, the runner between the corrugated cardboard sheet of welded closure seepage welds the outer tunnel cover plate then, and heat exchanger still can use, and has prolonged the service life of product, has reduced the production percent defective.
The object of the present invention is achieved like this:
A kind of plate type heat exchanger with integral braze-welded structure, it comprises: heat transferring medium is imported and exported ozzle, preceding outer baffle, rear outer baffle, corrugated cardboard sheet, its corrugated cardboard sheet is provided with ripple and through hole, by the multilayer corrugated plate, preceding outer baffle, it is whole that the rear outer baffle soldering becomes, form runner between corrugated cardboard sheet, the edge of corrugated cardboard sheet through hole is soldering mutually in twos, form cold and hot heat transferring medium and import and export passage, the fluid interchange in the corrugated cardboard sheet runner of cold and hot medium compartment of terrain, form box with folding up a type bar in the middle of two corrugated platings, the overlapping placement of some boxes, there is not the type bar between box and the box, type bar position is located at ring corrugated cardboard sheet periphery, the type bar is real core pattern material, curves the corrugated plating peripheral shape, type bar and corrugated cardboard sheet soldering, between adjacent box and the box and the mutual soldering of ripple, the assembling pattern of type bar is: by " corrugated plating one type bar one corrugated plating one corrugated plating one type bar one corrugated plating " repeated arrangement.
It also can be made its corrugated cardboard sheet and lack two angles, after the soldering of multilayer corrugated slab integral, is connected on two unfilled corner with the outer tunnel bridge welding, forms a kind of medium between outer tunnel cover plate and unfilled corner and advances or go out passage, promptly built-in outer tunnel; Corrugated cardboard sheet is provided with through hole, and the edge of corrugated cardboard sheet through hole is mutually soldering in twos, and that makes another kind of medium advances or go out passage, i.e. internal channel, and the unfilled corner limit of corrugated plating soldering and do not establish the type bar mutually in twos during soldering, other periphery is provided with the type bar.It also can do the moulding bar is the closed-loop that links up.
The present invention has following advantage and good effect: can make product have the scope of application and lower manufacturing cost widely, and aspect product manufacturing and selection applicable multiple material.
Fig. 1 is the stereogram of the embodiment of the invention one.
Fig. 2 is the stereogram of the embodiment of the invention two.
Fig. 3 is the plane of a kind of corrugated cardboard sheet of the embodiment of the invention two.
Fig. 4 is the plane of the another kind of corrugated cardboard sheet of the embodiment of the invention two.
Fig. 5 is the vertical cross-sectional of Fig. 1.
Fig. 6 is the transverse sectional view of Fig. 1.
Fig. 7 is the transverse sectional view that Fig. 2 does not weld the outer tunnel cover plate.
Describe the present invention in detail below in conjunction with drawings and Examples.
Embodiment one: as shown in the figure, it comprises: heat transferring medium is imported and exported ozzle 1, and preceding outer baffle 2 has the corrugated cardboard sheet 3 of access opening in two pairs, annular type bar 4, rear outer baffle 5.Heat transferring medium is imported and exported ozzle 1 and preceding outer baffle 2 or welded together with rear outer baffle 5, its welding manner can adopt the melting mode to weld one by one, also can adopt at ozzle and adorn the mode that adds solder and carry out integral braze-weldedly with product between outer baffle, or two kinds of welding manners use simultaneously.Adjacent corrugated cardboard sheet, the direction of its ripple crosses one another, and the direction of arrow is represented the heat transferring medium direction that flows among the figure.
Be equipped with type row culture rigid support between plate, the installation site of its type bar on each veneer area between the plate do not limit, but the periphery place between plate always is useful on the type bar of rigid support and product sealed with brazing.
In addition, it also requires between plate and type bar, and between plate and plate, comprise between plate and the front and back outer baffle-plate that each ripple crestal line contact point and heat transferring medium import and export inner flow passage through hole etc. and locate all to be equipped with solder, adopt integral braze-welded mode, make and respectively assemble contact position equal energy soldering on the product together, last soldering become one non-disconnectable, the inner soldering point network of its product gathers, and because the existence of these soldering points can make the plate ripple have non-deformability in working environment, can bear high temperature, high-pressure work requires, the whole plate type heat exchanger with higher functional reliability.Thereby the product composition form of pressure strip and bolted before and after can cancelling; and satisfy the requirement that product bears working environments such as HTHP; owing to type bar rigid support is all arranged at the periphery place of product; form an overfill protection comprehensively and the external sealed with brazing of product; so can make the plate ripple in brazing process, not be subjected to the influence of extraneous pressure; can satisfy use, and can make product have higher functional reliability and sealing as aluminium and aluminium alloy and so on material.The requirement of different instructions for uses and appearance requirement and manufacturing cost etc. may occur in view of product, these type bars can be made totally enclosed annular, adopt integral braze-welded mode to make the plate type heat exchanger with integral braze-welded structure to satisfy product.Its plate shape is the fillet rectangle, but the outer circumference of plate has the structure of placed type bar rigid support, have simultaneously and can carry out integral braze-welded form, have on the plate and be convenient to access opening in integral braze-welded two couple, access opening requires sealing mutually in integral braze-welded this two couple of back, does not allow heat transferring medium to go here and there Lou mutually.
Embodiment two is the forms with built-in outer tunnel, and as shown in the figure, it comprises: internal channel 6, outer tunnel 7, the corrugated plate 8 with a pair of internal channel hole, outer tunnel cover plate 9, the type bar 10 of segmented, outer tunnel bridge weld seam 11.Its plate 8 of product with outer tunnel 7 is owing to only there is a pair of internal channel hole; the welding process of this internal access opening can be selected directly to form with the product soldering with integral braze-welded mode; form internal channel 6; also can select to make two to be that one group plate welds together earlier at place, internal channel hole with melting or with the mode of resistance seam welding; be one group the corrugated plating 8 and the type bar 10 and the preceding outer baffle 1 of segmented with several two in the internal channel eyelet welding then together; rear outer baffle 5; and solder etc. is assembled together; make the product soldering become a non-disconnectable whole plate type heat exchanger through integral braze-welded form; at this moment; with melting or be actually and passed through the dual welding protection of a soldering with this internal access opening that resistance seam welding welds in advance; form internal channel 6, with sealing and the intensity that guarantees this internal channel hole.Since product before integral braze-welded with soldering after the general thickness size slightly different, so outer tunnel cover plate 9 is through after integral braze-welded at product, be welded on the mode of melting on the relevant position of product, this outer tunnel bridge weld seam 11 requires sealing and bears pressure.
The turnover runner place of outer tunnel medium assembly type bar not between plate, so that the outer tunnel medium flowed into easily or flow out between the plate ripple, and carry out heat exchange with the internal channel medium, add weldering outer tunnel cover plate simultaneously to form the constriction runner of outer tunnel medium, passage cover plate should guarantee that the outer tunnel medium carries out flowing normally and sealing under operating pressure and operating temperature in addition.
Type bar rigid support also can be made nonocclusive segmentation form, adopt integral braze-welded mode to make plate type heat exchanger to satisfy product with integral braze-welded structure with outer tunnel, the position of its outer tunnel can be that upper and lower side opposite the angle also can be the upper and lower same arm of angle at the arm of angle of product.But this moment product the same fillet rectangle that is of whole front appearance with the product that is provided with outer tunnel, when outer tunnel is up and down during side opposite the angle, the shape of plate is the parallelogram of irregular band fillet, its hypotenuse can be skew lines or oblique camber line, when outer tunnel is upper and lower during with the arm of angle, the shape of plate is the trapezoidal of irregular band fillet, and its hypotenuse can be skew lines or oblique camber line, has on its plate of product of outer tunnel form only to have a pair of integral braze-welded internal channel hole of being convenient to.After integral braze-welded, this requires sealing fully to internal channel.
Two embodiment all can realize the form of many plates journey and different distances between plates, and heat transferring medium forming crossfire in the runner separately, and stream and mixed flow etc.
Claims (3)
1. plate type heat exchanger with integral braze-welded structure, it comprises: heat transferring medium is imported and exported ozzle, preceding outer baffle, rear outer baffle, corrugated cardboard sheet, its corrugated cardboard sheet is provided with ripple and through hole, by the multilayer corrugated plate, preceding outer baffle, it is whole that the rear outer baffle soldering becomes, form runner between corrugated cardboard sheet, the edge of corrugated cardboard sheet through hole is soldering mutually in twos, form cold and hot heat transferring medium and import and export passage, the fluid interchange in the corrugated cardboard sheet runner of cold and hot medium compartment of terrain, it is characterized in that: form box with folding up a type bar in the middle of two corrugated platings, the overlapping placement of some boxes, there is not the type bar between box and the box, type bar position is located at ring corrugated cardboard sheet periphery, the type bar is real core pattern material, curves the corrugated plating peripheral shape, type bar and corrugated cardboard sheet soldering, between adjacent box and the box and the mutual soldering of ripple, the assembling pattern of type bar is: by " corrugated plating-type bar-corrugated plating-corrugated plating-type bar-corrugated plating " repeated arrangement.
2. plate type heat exchanger as claimed in claim 1, it is characterized in that: its corrugated cardboard sheet lacks two angles, after the soldering of multilayer corrugated slab integral, is connected on two unfilled corner with the outer tunnel bridge welding, form a kind of medium between outer tunnel cover plate and unfilled corner and advance or go out passage, promptly built-in outer tunnel; Corrugated cardboard sheet is provided with through hole, and the edge of corrugated cardboard sheet through hole is mutually soldering in twos, and that makes another kind of medium advances or go out passage, i.e. internal channel, and the unfilled corner limit of corrugated plating soldering and do not establish the type bar mutually in twos during soldering, other periphery is provided with the type bar.
3. plate type heat exchanger according to claim 1 is characterized in that: the type bar is the closed-loop that links up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96103317 CN1080869C (en) | 1996-04-01 | 1996-04-01 | Plate type heat exchanger with integral braze-welded structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96103317 CN1080869C (en) | 1996-04-01 | 1996-04-01 | Plate type heat exchanger with integral braze-welded structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1160843A CN1160843A (en) | 1997-10-01 |
| CN1080869C true CN1080869C (en) | 2002-03-13 |
Family
ID=5117986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96103317 Expired - Fee Related CN1080869C (en) | 1996-04-01 | 1996-04-01 | Plate type heat exchanger with integral braze-welded structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1080869C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706188A (en) * | 2012-06-04 | 2012-10-03 | 哈尔滨工程大学 | High-pressure resistant lamella heat exchanger adopting round corrugated plates |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2887020B1 (en) * | 2005-06-09 | 2007-08-31 | Air Liquide | PLATE HEAT EXCHANGER WITH EXCHANGE STRUCTURE FORMING MULTIPLE CHANNELS IN A PASSAGE |
| ES2525078T3 (en) * | 2011-12-13 | 2014-12-17 | Vahterus Oy | Plate heat exchanger and procedure for manufacturing a plate heat exchanger |
| CN104089503A (en) * | 2014-07-31 | 2014-10-08 | 哈尔滨工程大学 | Plate-shell heat exchanger with oval corrugated plates |
| CN106197091A (en) * | 2016-08-22 | 2016-12-07 | 天津三电汽车空调有限公司 | All-aluminium type plate type heat exchanger is used in heat generating member cooling on electric vehicle |
-
1996
- 1996-04-01 CN CN 96103317 patent/CN1080869C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102706188A (en) * | 2012-06-04 | 2012-10-03 | 哈尔滨工程大学 | High-pressure resistant lamella heat exchanger adopting round corrugated plates |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1160843A (en) | 1997-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING SHOUHANG WEIYU HEAT EXCHANGE EQUIPMENT CO Free format text: FORMER OWNER: MIAO ZHIXIAN Free format text: FORMER OWNER: DONG SHUMING; SHEN YAN Effective date: 20020326 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20020326 Address after: Box 78, box 34, Beijing Patentee after: Beijing first sang Wei Yu heat exchange equipment Co., Ltd. Address before: Wanquan Beijing Road, No. 66 Haidian District 3-304 retired cadres Co-patentee before: Dong Shuming Patentee before: Jiu Zhixian Co-patentee before: Shen Yan |
|
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |