CN107270760A - A kind of embedded channel heat exchanger folded tube and its processing method - Google Patents
A kind of embedded channel heat exchanger folded tube and its processing method Download PDFInfo
- Publication number
- CN107270760A CN107270760A CN201710654767.XA CN201710654767A CN107270760A CN 107270760 A CN107270760 A CN 107270760A CN 201710654767 A CN201710654767 A CN 201710654767A CN 107270760 A CN107270760 A CN 107270760A
- Authority
- CN
- China
- Prior art keywords
- embedded
- clad aluminum
- aluminum band
- outer tunnel
- 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.)
- Granted
Links
- 238000003672 processing method Methods 0.000 title claims abstract description 7
- 238000007747 plating Methods 0.000 claims abstract description 45
- 239000011148 porous material Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 9
- 238000005097 cold rolling Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000013000 roll bending Methods 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 62
- 229910052782 aluminium Inorganic materials 0.000 claims description 62
- 238000005096 rolling process Methods 0.000 claims description 27
- 239000000956 alloy Substances 0.000 claims description 8
- 229910045601 alloy Inorganic materials 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 3
- 235000009854 Cucurbita moschata Nutrition 0.000 abstract description 2
- 240000001980 Cucurbita pepo Species 0.000 abstract description 2
- 235000009852 Cucurbita pepo Nutrition 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000005923 long-lasting effect Effects 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 abstract description 2
- 235000020354 squash Nutrition 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000001192 hot extrusion Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000002421 anti-septic effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/02—Tubular elements of cross-section which is non-circular
- F28F1/022—Tubular elements of cross-section which is non-circular with multiple channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Geometry (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention discloses a kind of embedded channel heat exchanger folded tube and its processing method, including outer tunnel plate, embedded corrugated plating and microchannel pore.The beneficial effects of the invention are as follows：The shaping of outer tunnel plate and embedded corrugated plating uses the cold rolling processing technology of multi-pass roll bending, the technique of processing is relatively simple, compared to common squash type micro-channel flat, production efficiency is higher, cost is lower simultaneously, the through-hole diameter of microchannel pore is less than 1mm, it is higher with heat exchange efficiency, the advantages of lightweight and refrigerant charge is few, the junction of embedded corrugated plating and outer tunnel plate is by together with seamless Welding, compact conformation, reduce the loss of heat, heat exchange efficiency can be improved, ensure heat exchanger folded tube long-lasting nature simultaneously, outer tunnel plate is a flat hole shape and upper and lower plates interval width is 0.6~1.2mm, micro-channel flat in the alternative traditional fin-tube type heat exchanger of corresponding size is arranged in air-conditioning, it is applied widely.
Description
Technical field
The present invention relates to a kind of heat exchanger folded tube, specially a kind of embedded channel heat exchanger folded tube and its processing side
Method, belongs to air conditioner heat exchange equipment field.
Background technology
Micro-channel flat is the core heat-exchanging part of parallel-flow heat exchanger, because area-volume ratio is larger, can effectively be carried
High heat exchanger efficiency, the preparation of current micro-channel flat mainly carries out hot extrusion molding using divergent die, because aperture is small, need to be according to
Large-size extruder is relied to provide the shaping of super large extrusion ratio.
And the buying and maintenance of large-size extruder can greatly increase the production cost of micro-channel flat, next uses hot extrusion
Cause the aluminium ingot of hot melt to extrusion die serious wear, frequently more mold exchange can influence normal continuous production, can also improve life
Cost is produced, on the other hand, extruding micro-channel flat is zinc-plated by surface, i.e. the mode of electrochemical anti-corrosive ensures the length of heat exchanger
Characteristic is imitated, but zincincation has difficulty, it is ensured that uniform and can not be zinc-plated in inner surface, cause the lifting of extruded tube antiseptic property
There is significant limitations.
The content of the invention
The purpose of the present invention be that provided to solve the above problems a kind of embedded channel heat exchanger folded tube and
Its processing method.
The present invention is achieved through the following technical solutions above-mentioned purpose：A kind of embedded channel heat exchanger folded tube, including
Outer tunnel plate, embedded corrugated plating and microchannel pore；The outer tunnel plate is cold by roll for 6 to 50mm clad aluminum band by width
Shape is rolled into, the embedded corrugated plating is formed by width for 5 to 40mm clad aluminum band by roll is cold rolling, the embedded corrugated plating
In outer tunnel plate, the outer tunnel plate is assembled and welded together with embedded corrugated plating, the outer tunnel plate and embedded
Several microchannel pores are formed between corrugated plating.
Further, in order to improve production efficiency, while reducing cost, the outer tunnel plate passes through with embedded corrugated plating
Multiple tracks roll bending is cold rolling to be processed into.
Further, in order that heat exchange efficiency is higher, the microchannel pore has 2~30 and pass to be circular or triangle
Shape or square or ellipse, the aperture of microchannel pore are less than 1mm.
Further, in order to ensure heat exchanger folded tube long-lasting nature, the connection of the embedded corrugated plating and outer tunnel plate
Place passes through seamless Welding together.
Further, it is described in order to which the micro-channel flat in alternative traditional fin-tube type heat exchanger is arranged in air-conditioning
Outer tunnel plate is a flat hole shape and upper and lower plates interval width is 0.6~1.2mm.
Further, in order that the corrosion resistance for obtaining heat exchanger folded tube is strong, the processing outer tunnel plate and embedded ripple
The basic unit of the clad aluminum band of card is made by AA3005 alloys, the clad aluminum band of the processing outer tunnel plate and embedded corrugated plating
Composite bed be made by AA4343 alloys.
The processing of the embedded channel heat exchanger folded tube includes the processing of outer tunnel plate and embedded corrugated plating：
Wherein, the procedure of processing of outer tunnel plate includes：
1) rolling clad aluminum band, and by the clad aluminum band inside lateral bend of both sides undulating shape, form toed-out shape；
2) continue rolling clad aluminum band, by the clad aluminum band inside lateral bend of both sides undulating shape, form interior splayed；
3) rolling clad aluminum band, undulating shape bending laminating center section, so as to machine outer tunnel plate are continued；
The procedure of processing of embedded corrugated plating includes：
4) rolling clad aluminum band so that clad aluminum band respectively forms a wave curved shape at both sides of the edge；
5) rolling clad aluminum band is continued so that clad aluminum band respectively forms two wave curved shapes at both sides of the edge；
6) rolling clad aluminum band is continued so that clad aluminum band respectively forms three wave curved shapes at both sides of the edge；
7) rolling clad aluminum band is continued, rolling forms several wave curved shapes on clad aluminum band, so that in completing
The processing of embedding corrugated plating；
8) embedded corrugated plating is arranged in outer tunnel plate, the junction of embedded corrugated plating and outer tunnel plate passed through seamless
Welding together, completes the processing of embedded channel heat exchanger folded tube.
Further, the step 1) the width of clad aluminum band be 6-50mm, step 4) in the width of clad aluminum band be
5-40mm。
Further, the step 8) in, 7 or 8 wave curved shapes of rolling formation on clad aluminum band.
The beneficial effects of the invention are as follows：The embedded channel heat exchanger folded tube connects compact, reasonable in design, outer tunnel plate
Shaping with embedded corrugated plating uses the cold rolling processing technology of multi-pass roll bending, and the technique of processing is relatively simple, compared to common
Squash type micro-channel flat, production efficiency is higher, while cost is lower, the through-hole diameter of microchannel pore is less than 1mm, with heat exchange
The advantages of more efficient, lightweight and refrigerant charge is few, the junction of embedded corrugated plating and outer tunnel plate passes through seamless pricker
Weldering welds together, compact conformation, reduces the loss of heat, can improve heat exchange efficiency, while ensureing that heat exchanger folds pipe range
Characteristic is imitated, outer tunnel plate is a flat hole shape and upper and lower plates interval width is 0.6~1.2mm, the corresponding alternative tradition of size
Fin-tube type heat exchanger in micro-channel flat be arranged in air-conditioning, applied widely, processing outer tunnel plate and embedded corrugated plating
The basic unit of clad aluminum band be AA3005 alloys, composite bed is AA4343 alloys, and corrosion resistance is strong, improves the use of product
Life-span.
Brief description of the drawings
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is mplifying structure schematic diagram at A in Fig. 1；
Fig. 3-5 is the roll milling process schematic diagram of China and foreign countries' channel plate of the present invention；
Fig. 6-9 is the roll milling process schematic diagram of embedded corrugated plating in the present invention；
In figure：1st, outer tunnel plate, 2, embedded corrugated plating, 3, microchannel pore.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2, a kind of embedded channel heat exchanger folded tube, including outer tunnel plate 1, the embedded and of corrugated plating 2
Microchannel pore 3；The outer tunnel plate 1 passes through roll cold roll forming, the embedded ripple by width for 6 to 50mm clad aluminum band
Plate 2 is formed by width for 5 to 40mm clad aluminum band by roll is cold rolling, the shaping of the outer tunnel plate 1 and embedded corrugated plating 2
It is processed into using the cold rolling processing mode of multiple tracks roll bending, the outer tunnel plate 1 is a flat hole shape and upper and lower plates interval width
For 0.6~1.2mm, the embedded corrugated plating 2 is arranged in outer tunnel plate 1, and the outer tunnel plate 1 is assembled with embedded corrugated plating 2
And weld together, the junction of the embedded corrugated plating 2 and outer tunnel plate 1 is described outer by together with seamless Welding
It is formed with several microchannel pores 3 between channel plate 1 and embedded corrugated plating 2, the microchannel pore 3 there are 2~30 and pass is
Circular or triangle or square or ellipse, the aperture of microchannel pore 3 are less than 1mm, the processing outer tunnel plate 1 and embedded ripple
The basic unit of the clad aluminum band of plate 2 is made by AA3005 alloys, the clad aluminum band of processing outer tunnel plate 1 and embedded corrugated plating 2
Composite bed is made by AA4343 alloys.The width of the embedded channel heat exchanger folded tube is 4-30mm, is highly 1-2mm.
The processing of the embedded channel heat exchanger folded tube can divide two large divisions to carry out, and be the He of access road plate 1 respectively
The processing of embedded corrugated plating 2：
Wherein, the procedure of processing of outer tunnel plate 1 includes：
1) rolling clad aluminum band, and by the clad aluminum band inside lateral bend of both sides undulating shape, form toed-out shape, such as scheme
Shown in 3；
2) continue rolling clad aluminum band, by the clad aluminum band inside lateral bend of both sides undulating shape, form interior splayed, such as
Shown in Fig. 4；
3) rolling clad aluminum band, undulating shape bending laminating center section are continued, so that outer tunnel plate 1 is machined,
As shown in Figure 5；
The procedure of processing of embedded corrugated plating 2 includes：
4) rolling clad aluminum band so that clad aluminum band respectively forms a wave curved shape at both sides of the edge, such as Fig. 6 institutes
Show；
5) rolling clad aluminum band is continued so that clad aluminum band respectively forms two wave curved shapes, such as Fig. 7 at both sides of the edge
It is shown；
6) rolling clad aluminum band is continued so that clad aluminum band respectively forms three wave curved shapes, such as Fig. 8 at both sides of the edge
It is shown；
7) rolling clad aluminum band is continued, rolling forms several wave curved shapes on clad aluminum band, so that in completing
The processing of embedding corrugated plating 2, as shown in Figure 9；
8) embedded corrugated plating 2 is arranged in outer tunnel plate 1, and the junction of embedded corrugated plating 2 and outer tunnel plate 1 is led to
Cross seamless Welding together, complete the processing of embedded channel heat exchanger folded tube.
Be used as preferred technical scheme, the step 1) clad aluminum band width be 6-50mm, step 4) in clad aluminum
The width of band is 5-40mm；In step 8) in, 7 or 8 wave curved shapes of rolling formation on clad aluminum band.
In the use of the present invention, the micro-channel flat in the fin-tube type heat exchanger in commercial or domestic air conditioning is torn open first
Under, then the embedded channel heat exchanger folded tube is installed, because outer tunnel plate is a flat hole shape and upper and lower plates
Interval width is that the micro-channel flat in 0.6~1.2mm, the corresponding alternative traditional fin-tube type heat exchanger of size is arranged on sky
It is applied widely in adjusting, it can be used in a variety of commercial or domestic air conditionings.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (9)
1. a kind of embedded channel heat exchanger folded tube, it is characterised in that：Including outer tunnel plate (1), embed corrugated plating (2) and micro-
Access opening (3)；The outer tunnel plate (1) passes through roll cold roll forming, the embedded ripple by width for 6 to 50mm clad aluminum band
Card (2) is formed by width for 5 to 40mm clad aluminum band by roll is cold rolling, and the embedded corrugated plating (2) is installed leads to outside
In guidance tape (1), the outer tunnel plate (1) and embedded corrugated plating (2) assembling simultaneously weld together, the outer tunnel plate (1) and interior
Several microchannel pores (3) are formed between embedding corrugated plating (2).
2. a kind of embedded channel heat exchanger folded tube according to claim 1, it is characterised in that：The outer tunnel plate
(1) it is processed into embedded corrugated plating (2) by multiple tracks roll bending is cold rolling.
3. a kind of embedded channel heat exchanger folded tube according to claim 1, it is characterised in that：The microchannel pore
(3) there are 2~30 and pass is circular or triangle or square or ellipse；The aperture of microchannel (3) is less than 1mm.
4. a kind of embedded channel heat exchanger folded tube according to claim 3, it is characterised in that：The embedded corrugated plating
(2) with the junction of outer tunnel plate (1) by together with seamless Welding.
5. a kind of embedded channel heat exchanger folded tube according to claim 1, it is characterised in that：The outer tunnel plate
(1) it is a flat hole shape and upper and lower plates interval width is 0.6~1.2mm.
6. a kind of embedded channel heat exchanger folded tube according to claim 1, it is characterised in that：The processing outer tunnel
The basic unit of the clad aluminum band of plate (1) and embedded corrugated plating (2) is made by AA3005 alloys, it is described processing outer tunnel plate (1) and
The composite bed of the clad aluminum band of embedded corrugated plating (2) is made by AA4343 alloys.
7. a kind of processing method of embedded channel heat exchanger folded tube, it is characterised in that：The embedded channel heat exchanger is folded
The processing of pipe includes the processing of outer tunnel plate (1) and embedded corrugated plating (2),
Wherein, the procedure of processing of outer tunnel plate (1) includes：
1) rolling clad aluminum band, and by the clad aluminum band inside lateral bend of both sides undulating shape, form toed-out shape；
2) continue rolling clad aluminum band, by the clad aluminum band inside lateral bend of both sides undulating shape, form interior splayed；
3) rolling clad aluminum band, undulating shape bending laminating center section, so as to machine outer tunnel plate (1) are continued；
The procedure of processing of embedded corrugated plating (2) includes：
4) rolling clad aluminum band so that clad aluminum band respectively forms a wave curved shape at both sides of the edge；
5) rolling clad aluminum band is continued so that clad aluminum band respectively forms two wave curved shapes at both sides of the edge；
6) rolling clad aluminum band is continued so that clad aluminum band respectively forms three wave curved shapes at both sides of the edge；
7) rolling clad aluminum band is continued, rolling forms several wave curved shapes on clad aluminum band, so as to complete embedded ripple
The processing of card (2)；
8) embedded corrugated plating (2) is arranged in outer tunnel plate (1), by the junction of embedded corrugated plating (2) and outer tunnel plate (1)
By seamless Welding together, the processing of embedded channel heat exchanger folded tube is completed.
8. a kind of processing method of embedded channel heat exchanger folded tube according to claim 7, it is characterised in that：Institute
State step 1) clad aluminum band width be 6-50mm, step 4) in clad aluminum band width be 5-40mm.
9. a kind of processing method of embedded channel heat exchanger folded tube according to claim 7, it is characterised in that：Institute
State step 8) in, 7 or 8 wave curved shapes of rolling formation on clad aluminum band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654767.XA CN107270760B (en) | 2017-08-03 | 2017-08-03 | Folding tube of embedded channel heat exchanger and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710654767.XA CN107270760B (en) | 2017-08-03 | 2017-08-03 | Folding tube of embedded channel heat exchanger and processing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107270760A true CN107270760A (en) | 2017-10-20 |
| CN107270760B CN107270760B (en) | 2023-09-15 |
Family
ID=60074896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710654767.XA Active CN107270760B (en) | 2017-08-03 | 2017-08-03 | Folding tube of embedded channel heat exchanger and processing method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN107270760B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109579596A (en) * | 2018-12-04 | 2019-04-05 | 南宁市安和机械设备有限公司 | A kind of porous inner fin condenser pipe |
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| CN2300077Y (en) * | 1997-04-29 | 1998-12-09 | 高元运 | Welded copper tube aluminum fin tube |
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| CN107270760B (en) | 2023-09-15 |
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Effective date of registration: 20231010 Address after: 201306 building C, No. 888, Huanhu West 2nd Road, Lingang New District, China (Shanghai) pilot Free Trade Zone, Pudong New Area, Shanghai Patentee after: Shanghai Hanlantong Technology Co.,Ltd. Address before: 213135 No.26, Lingshan Middle Road, Xixiashu Town, Xinbei District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU KAIWEI PIPE TECHNOLOGY Co.,Ltd. |
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