CN110425915A - A kind of novel printed circuit board formula heat exchanger core body comprising combined flow channel - Google Patents
A kind of novel printed circuit board formula heat exchanger core body comprising combined flow channel Download PDFInfo
- Publication number
- CN110425915A CN110425915A CN201910619007.4A CN201910619007A CN110425915A CN 110425915 A CN110425915 A CN 110425915A CN 201910619007 A CN201910619007 A CN 201910619007A CN 110425915 A CN110425915 A CN 110425915A
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- China
- Prior art keywords
- metal sheet
- flow channel
- combined flow
- shape
- heat exchanger
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 170
- 239000002184 metal Substances 0.000 claims abstract description 170
- 238000012545 processing Methods 0.000 claims abstract description 9
- 239000012530 fluid Substances 0.000 claims description 16
- 229910003460 diamond Inorganic materials 0.000 claims description 11
- 239000010432 diamond Substances 0.000 claims description 11
- 238000009792 diffusion process Methods 0.000 claims description 9
- 238000003466 welding Methods 0.000 claims description 9
- 238000005476 soldering Methods 0.000 claims description 8
- 230000001788 irregular Effects 0.000 claims description 7
- 238000001259 photo etching Methods 0.000 claims description 6
- 229910000881 Cu alloy Inorganic materials 0.000 claims description 4
- 229910000570 Cupronickel Inorganic materials 0.000 claims description 4
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 125000004122 cyclic group Chemical group 0.000 claims description 3
- 239000013535 sea water Substances 0.000 abstract description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 8
- 239000003546 flue gas Substances 0.000 abstract description 8
- 230000000903 blocking effect Effects 0.000 abstract description 6
- 229910001338 liquidmetal Inorganic materials 0.000 abstract description 5
- 239000002609 medium Substances 0.000 abstract description 3
- 239000010410 layer Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 9
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 8
- 229910002092 carbon dioxide Inorganic materials 0.000 description 4
- 239000001569 carbon dioxide Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 4
- 239000001307 helium Substances 0.000 description 4
- 229910052734 helium Inorganic materials 0.000 description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- 239000002365 multiple layer Substances 0.000 description 4
- WWYNJERNGUHSAO-XUDSTZEESA-N (+)-Norgestrel Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](CC)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 WWYNJERNGUHSAO-XUDSTZEESA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 239000003949 liquefied natural gas Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F2275/00—Fastening; Joining
- F28F2275/06—Fastening; Joining by welding
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The present invention relates to a kind of novel printed circuit board formula heat exchanger core body comprising combined flow channel, the core includes combined flow channel metal sheet, combined flow channel metal sheet is spliced to form using two single channel metal sheets, two corresponding single channels constitute a combined flow channel, effectively expand the sectional area of runner in the case where not increasing difficulty of processing and cost, it can be suitable for the operating condition of clean medium and seawater, flue gas etc. non-clean medium or liquid metal etc. easily blocking medium simultaneously, it is not easy to plug, keeps the use scope of print format heat exchanger bigger.
Description
Technical field
The present invention relates to printed circuit board technical field of heat exchange, and in particular to a kind of novel printing comprising combined flow channel
Circuit board type heat exchanger core body.
Background technique
Heat exchanger is the common apparatus for carrying out heat exchange, is widely used in petrochemical industry, ship, ocean engineering, aviation
The fields such as space flight, nuclear power, photo-thermal power generation and waste heat recycling.Conventional shell-and-tube heat exchanger there are heat exchange efficiencies low, volume weight
The problems such as the problems such as big, traditional plate heat exchanger and plate-fin heat exchanger are low there are heat resisting and pressure resisting ability.
It with gas and oil in sea and produces to deep-sea development, the technical equipment of ocean platform is continuously improved, to sea
More stringent requirements are proposed for the space utilization of foreign platform, needs the heat exchange equipment for developing compact efficient.With energy-saving and emission-reduction demand
Growth, improve efficiency of energy utilization become development trend, supercritical carbon dioxide Brayton cycle and circulated helium etc. are novel
More stringent requirements are proposed for compactedness, leakproofness and the heat resisting and pressure resisting ability of dynamical system heat exchanging device.
In the 1980s, Heatric company, Britain proposes that a kind of printed circuit board heat exchanger, the heat exchanger use light
Chemical etching method prepares microfluidic channels on heat exchange plate, and the heat exchange plate with different runners is overlapped mutually, and passes through
Diffusion welding method constitutes heat exchanger core body.The heat exchanger is high with heat transfer efficiency, heat resisting and pressure resisting ability is strong, small in volume
The advantages that, but since heat exchange plate upper fluid channel size is very small, usually 0.5 ~ 2.5mm, requires the cleannes of working medium
It is very high, it is only applicable to the heat exchange of the clean medium such as carbon dioxide, helium, LNG, and the working medium that the cleannes such as seawater, flue gas are low
It is easy to cause fluid channel blocking to influence to exchange heat and brings security risk, limit printed circuit board heat exchanger applies model
It encloses.
Summary of the invention
In view of the drawbacks of the prior art, the purpose of the present invention is to propose to a kind of novel printed circuit boards comprising combined flow channel
Formula heat exchanger core body, by joining method obtain have larger sectional area combined flow channel, can also with have compared with small flow channels section
Long-pending single channel metal sheet mixing, is not easy to plug, ingenious in design, reduces cost, the working medium and difference low suitable for cleannes
The usage scenario and application field of printed circuit board heat exchanger have been widened in heat exchange between cleannes working medium significantly.
In order to achieve the above object, the technical scheme adopted by the invention is that:
A kind of novel printed circuit board formula heat exchanger core body comprising combined flow channel, the core include laminated multi-layer and are linked as one
The metal sheet with runner of body, it is characterised in that: the metal sheet includes combined flow channel metal sheet, described group of interflow
Road metal sheet by surface is machined with the first metal sheet of a plurality of single channel and the second metal sheet is in contact with rib with rib
Form is spliced, the section opening width and flow direction Jun Guan of the first metal sheet and the single channel on the second metal sheet
It is symmetrical arranged in Mosaic face, corresponding two single channels constitute a combined flow channel after splicing.
Further, the core is made of multiple layer combination runner metal plate, different layers combined flow channel metal sheet
Combined flow channel cross sectional shape is identical or different；Or, the metal sheet further includes single channel metal sheet, the single channel metal
A plurality of single channel is machined on plate, the core is mixed by the combined flow channel metal sheet and the single channel metal sheet
Composition.
Further, when the core is made of the combined flow channel metal sheet and single channel metal sheet mixing
When, the combined flow channel metal sheet and single channel metal sheet are according to N layers of combined flow channel metal sheet and M layers of single channel metal
The mode of plate is arranged as a heat exchange unit, and one or more heat exchange units form heat exchanger core bodies, wherein N >=1, M >=1, N
It is integer with M.
Further, the cross section of fluid channel shape of the single channel is " D " shape, " V " shape, rectangle or trapezoidal, described group of interflow
Road is spliced by two " D " shapes, two " V " shapes, two rectangles or two trapezoidal single channels, or by " D " shape, " V " shape, square
Any the two in shape and trapezoidal single channel is spliced.
Further, the cross sectional shape of the combined flow channel is " O " shape, diamond shape, " mouth " shape, pentagon, hexagon, no
Regular quadrilateral or odd-shaped cross section.
Further, the flow direction of the runner on the metal sheet is straight-through shape, Z-shaped or serpentine.
Further, the flow direction of the runner on the metal sheet is cyclic curve structure.
Further, the runner is obtained by photochemical etching or machining or pressure processing, between metal sheet
By Diffusion Welding or soldering connection to together.
Further, the metal sheet is made of stainless steel, titanium alloy, copper alloy or nickel-bass alloy material.
The utility model has the advantages that the heat exchanger core body of offer of the invention, has identical or different cross sectional shape runner using two
Metal plate laminated rib and the mode mutually spliced of rib constitute combined flow channel, spliced combined flow channel is compared to single stream before splicing
Road has bigger sectional area, and provides further types of cross section of fluid channel, enable printing board type heat exchanger have compared with
Big " O " shape, " mouth " shape, diamond shape, pentagon, hexagon, irregular quadrilateral, the prismatic runner of shaped flow channel, compared to existing
There is technology, present invention can be suitably applied to the low working medium of the cleannes such as seawater, flue gas, is not easy to plug runner, and provided by the invention group
Collaborate road forming method and effectively expand the sectional area of runner in the case where not increasing cost without increasing difficulty of processing, expands
The use scope of printed circuit board heat exchanger is opened up.
The present invention also provides the heat exchanger core bodies with combined flow channel and single channel mixing, by by combined flow channel metal plate
Piece and single channel metal sheet are arranged alternately, so that heat exchanger core body has biggish combined flow channel and lesser single stream simultaneously
Road can be suitable for simultaneously in the low working medium of cleannes such as the heat exchange of the clean medium such as carbon dioxide, helium, LNG and seawater, flue gas
Heat exchange, widened the application field of printed circuit board heat exchanger.
Detailed description of the invention
Fig. 1 is the schematic cross-section of the combined flow channel metal sheet with " O " shape runner；
Fig. 2 is the schematic cross-section of the combined flow channel metal sheet with " mouth " shape runner；
Fig. 3 is the schematic cross-section of the combined flow channel metal sheet with diamond shape runner；
Fig. 4 is the schematic cross-section of the combined flow channel metal sheet with hexagon runner；
Fig. 5 is the schematic cross-section of the combined flow channel metal sheet of shaped flow channel；
Fig. 6 is the schematic perspective view of the first or second metal sheet of the embodiment of the present invention 1；
Fig. 7 is the schematic cross-section of the heat exchange unit of the embodiment of the present invention 1；
Fig. 8 is the exploded perspective structural schematic diagram of the heat exchange unit of the embodiment of the present invention 1；
Fig. 9 is the heat exchanger core body schematic perspective view of the embodiment of the present invention 1；
Figure 10 is the heat exchange unit schematic cross-section of the embodiment of the present invention 2；
Appended drawing reference: 1, the first metal sheet, the 2, second metal sheet, 3, rib, 4, Mosaic face, 5, " D " shape runner, 6, rectangle
Runner, 7, " V " shape runner, 8 trapezoidal runners, 9, " O " shape runner, 10, " mouth " shape runner, 11, diamond shape runner, 12 hexagon streams
Road, 13, combined flow channel metal sheet, 14, single channel metal sheet.
Specific embodiment
The present invention will be further described in detail in the following with reference to the drawings and specific embodiments.
Present invention generally provides a kind of new design structures of printed circuit board heat exchanger core body, using two pieces of single channels
The method that metal sheet 14 splices forms combined flow channel, in the case where not increasing difficulty of processing and cost, increases runner and cuts
Area effectively extends the use scope of printed circuit board heat exchanger, and the combined flow channel with larger cross section of fluid channel product can
Suitable for the lower working medium of cleannes, the scope of application of printed circuit board heat exchanger has effectively been widened.
Referring to attached drawing 1-10, the present invention provides a kind of novel printed circuit board formula heat exchanger core body comprising combined flow channel,
The core includes laminated multi-layer and the metal sheet with runner that is linked together, and the metal sheet includes that combined flow channel is golden
Belong to plate 13, the combined flow channel metal sheet 13 is machined with the first metal sheet 1 and the second metal plate of single channel by surface
Piece 2 is spliced in the form that rib 3 is in contact with rib 3, section of the first metal sheet 1 and the single channel on the second metal sheet 2
Face opening width and flow direction are symmetrical arranged about Mosaic face 4, and corresponding two single channels constitute a group after splicing
Collaborate road, corresponding two single channel cross sectional shapes for constituting combined flow channel are identical or different.
Specifically, the core is made of multiple layer combination runner metal plate 13, different layers combined flow channel metal sheet 13
Combined flow channel cross sectional shape it is identical or different, multilayer have identical or different cross section of fluid channel shape combined flow channel metal sheet
13 stack and are joined together to form heat exchanger core body, or, the metal sheet further includes single channel metal sheet 14, the list
A plurality of single channel is machined on runner metal plate 14, the core is by the combined flow channel metal sheet 13 and the single channel
The mixing composition of metal sheet 14.
When the core is made of the combined flow channel metal sheet 13 and the single channel metal sheet 14 mixing, institute
Combined flow channel metal sheet 13 and single channel metal sheet 14 are stated according to N layers of combined flow channel metal sheet 13 and M layers of single channel gold
The mode for belonging to plate 14 is arranged as a heat exchange unit, and one or more heat exchange units form heat exchanger core bodies, wherein N >=1, M
>=1, N and M are integer, specifically, such as: it can be according to one layer of combined flow channel metal sheet, 13 1 layers of single channel metal sheet
The alternately stacked placement of 14 form, or handed over according to the form of one layer of combined flow channel metal sheet 13, two layers of single channel metal sheet 14
It is placed for overlapping, or according to one layer of 14 multiple layer combination runner metal plate 13 of single channel metal sheet or two layers of combined flow channel
The alternately stacked placement of form of 13 1 layers of single channel metal sheet 14 of metal sheet；The present invention only illustrates several groups common
Conjunction mode, but be not exhaustion, it can be needed in actual use according to specific working medium by combined flow channel metal sheet 13 and single channel
Metal sheet 14 carries out any type of combination, or all using combined flow channel metal sheet 13.
The cross section of fluid channel shape of single channel of the present invention is " D " shape, " V " shape, rectangle or trapezoidal or other common shapes
Shape, corresponding two single channel cross sectional shapes for constituting combined flow channel are identical or different, and section depth is identical or different,
But it must assure that identical (opening width phase of two runners on metal sheet surface on i.e. same section of section opening width
Together, it is symmetrical about Mosaic face to also correspond to section opening width) and the flow direction of runner it is symmetrical about Mosaic face 4, meet
The combined flow channel for stating two single channel any combination formation of requirement all falls in the scope of protection of the present invention, and the combined flow channel is by cutting
Face opening width identical any two " D " shape runner 5 or two " V " shape runners 7 or two rectangularl runners 6 or two ladders
Shape runner 8 is spliced, or wherein both any splicing of " D " shape runner 5, " V " shape runner 7, rectangularl runner 6 and trapezoidal runner 8
It forms.
Specifically, the cross sectional shape of the combined flow channel of the combined flow channel metal sheet 13 is single stream of two same shapes
Road is composed, for example, Fig. 1-4 show the first metal sheet 1 and the second metal plate for being machined with a plurality of single channel by surface
The combined flow channel metal sheet 13 that piece 2 is spliced to form, corresponding two single channels are spliced to form combined flow channel, and Fig. 1 is shown
Two identical " D " shape runners 5 form " O " shape runner 9, Fig. 2 show two identical rectangularl runners 6 and forms " mouth " shape stream
Road 10, Fig. 3 show two identical " V " shape runners, 7 groups of diamondwise runners 11, Fig. 4 show two identical trapezoidal runners
8 composition hexagon runners 12.
Attached drawing 1-4 signal is the splicing situation when single channel cross sectional shape on two metal sheets is identical, is actually made
It further include two " D " shape, the " V " shapes, the section depth or variform feelings of rectangle or trapezoidal runner for splicing in
Shape, such as two different " D " shapes, two different " V " shapes, two different rectangles and two different trapezoidal are spelled
It connects, such as the splicing of semicircle and semiellipse, the splicing of shallow " V " shape and deep " V " shape is the rectangularl runner of different depth, of different shapes
The splicing etc. of trapezoidal runner, at this point, the cross sectional shape formed is belonging respectively to " O " shape, irregular quadrilateral or " mouth " shape, five sides
Shape (two right-angled trapeziums are spliced), hexagon etc., still in the scope of the present invention.
Combined flow channel can also be formed by single channel combination of two of different shapes, i.e., for splicing composition combined flow channel gold
The first metal sheet 1 for belonging to plate 13 is different with the cross sectional shape of the single channel on the second metal sheet 2, for example, combined flow channel
Section be to illustrate six in Fig. 5 by " D " shape, " V " shape, rectangle and trapezoidal wherein both any odd-shaped cross section being composed
Kind has the combined flow channel metal sheet of shaped flow channel, and Fig. 5 (a) is shown to be spliced by " D " shape runner 5 and rectangularl runner 6
Shaped flow channel, Fig. 5 (b) shows that the shaped flow channel being spliced by " V " shape runner 7 and rectangularl runner 6, Fig. 5 (c) are shown
The shaped flow channel being spliced by " V " shape runner 7 and " D " shape runner 5, Fig. 5 (d) are shown by trapezoidal runner 8 and " D " shape runner
5 shaped flow channels being spliced, Fig. 5 (e) show the shaped flow channel being spliced by trapezoidal runner 8 and rectangularl runner 6, Fig. 5
(f) shaped flow channel being spliced by " V " shape runner 7 and trapezoidal runner 8 is shown.
It should be noted that " D " shape runner of the present invention refer to cross section of fluid channel be " D " shape or approximation " D " shape, in other words
Say, refer to the closed figure that cross section of fluid channel is made of straight line and a camber line, including but not limited to semicircle, semiellipse, with
And straight line and minor arc composition is close-shaped, " O " the shape runner include it is all by two " D " shape runners splicings and
At shape, including but not limited to circle, the shape etc. of ellipse, shuttle shape, semicircle and semiellipse composition broadly appoint
The shape that two opposite camber lines of meaning are composed is considered " O " shape in the present invention；" V " shape runner of the present invention includes
All cross section of fluid channel are the runner of triangle, in the present invention " mouth " shape refer to the splicing of any two opening width identical rectangle and
At shape, substantially also be rectangle.
Runner on metal sheet (including single channel metal sheet 14 and combined flow channel metal sheet 13) of the present invention
Flow direction be straight-through shape, Z-shaped or serpentine or any other cyclic curve structure, such as sawtooth waveform, sine
Shape, cosine-shaped, S-shaped etc. only illustrate the runner of straight-through shape in attached drawing of the invention.
Spliced combined flow channel possesses than the bigger sectional area of single channel before splicing, thus be more suitable for cleannes compared with
Low medium, runner are not easy to plug.
Runner in the present invention is obtained by the method for photochemical etching, machining, pressure processing or other prior arts
It arrives, passes through Diffusion Welding or the method for soldering connection or other prior arts between the metal sheet for forming heat exchanger core body
It is linked together.
The metal sheet is made of materials such as stainless steel, titanium alloy, copper alloy or nickel-base alloys.
Embodiment 1
As Figure 6-9, a kind of printed circuit board heat exchanger core body comprising combined flow channel, the core include multiple-layer overlapped
It is placed and attached to the metal sheet with fluid course together, specifically, the metal sheet includes multiple with " O " shape
The combined flow channel metal sheet 13 of runner 9 and multiple single channel metal sheets 14 with " D " shape runner 5, the combined flow channel
Metal sheet 13 is machined with first metal sheet 1 of " D " shape runner by surface and the second metal sheet 2 is in contact with rib 3 with rib 3
Form be spliced, the flow direction of " D " shape runner on the first metal sheet 1 and the second metal sheet 2 is about Mosaic face 4
It is symmetrical arranged, section opening width is identical, and corresponding two " D " shape runners constitute " O " shape runner 9 after splicing；It is described
Combined flow channel metal sheet 13 and single channel metal sheet 14 arrange in the way of " D " shape-" O " shape-" D " shape, i.e., and one layer
The mode of single channel metal sheet 14 1 layers of combined flow channel metal sheet, 13 1 layers of single channel metal sheet 14 arranges to form one
Heat exchange unit, then forms heat exchanger core body by one or more heat exchange units, and Fig. 6 is shown first in the embodiment of the present invention 1
The schematic perspective view of metal sheet 1 or the second metal sheet 2, Fig. 7 show the side according to " D " shape-" O " shape-" D " shape
Formula arranges the schematic cross-section for the heat exchange unit to be formed, and Fig. 8 shows and arranges in the way of " D " shape-" O " shape-" D " shape
The exploded perspective schematic diagram of the heat exchange unit formed is arranged, Fig. 9 shows and arranges in the way of " D " shape-" O " shape-" D " shape
The stereoscopic schematic diagram of the heat exchanger core body for multiple heat exchange units composition that column are formed.
The cross sectional shape of " D " shape runner of the first metal sheet 1 and the second metal sheet 2 can be identical or not identical, only
It is equal in the flow passage openings width on Mosaic face 4, meet the shape that " D " shape runner of aforementioned condition is spliced and is believed that
It is " O " shape, for example, it may be the splicing of two half round runner or the splicing of semicircle and semiellipse or the spelling of two semiellipses
Connect etc..
The arrangement mode of " O " shape combined flow channel metal sheet 13 and " D " shape single channel metal sheet 14 is not limited to above-mentioned side
Formula can be freely combined according to the concrete condition of heat-exchange working medium.
The flow direction of " D " shape runner or " O " shape runner is straight-through shape, Z-shaped or serpentine or other any periodicity
Curvilinear structures, such as sawtooth waveform, sinusoidal, cosine-shaped, S-shaped etc..
In design, biggish " O " runner of cross section of fluid channel product is suitable for the low working medium of cleannes, and cross section of fluid channel product is lesser
" D " shape runner is suitable for the higher working medium of cleannes, has the heat exchanger core body use scope of mixing runner wider；In general, " O "
The diameter of section range of shape runner is 2-7mm, and the diameter of section range of " D " shape runner is 1.5-5mm.
The single channel metal sheet 14 of " D " shape could alternatively be the single channel metal plate with other shapes cross section of fluid channel
Piece 14, such as " V " shape, rectangle or trapezoidal, " O " shape combined flow channel metal sheet 13 be could alternatively be with other shapes cross section of fluid channel
Combined flow channel metal sheet 13, such as diamond shape, " mouth " shape, hexagon or abnormity, including but not limited to " V " shape-diamond shape-" V "
Shape, rectangle-" mouth " shape-rectangle, trapezoidal-hexagon-be trapezoidal, " V " shape-" O " shape-" V " shape, rectangle-" O " shape-square
Shape, " V " shape-" mouth " shape-" V " shape etc. arrangement mode, will not enumerate, herein as long as belonging to single channel metal sheet-
Combined flow channel metal sheet-single channel metal sheet combining form, is accordingly to be regarded as in the protection scope of embodiment 1.
Runner can be formed by the method for photochemical etching, machining, pressure processing or other prior arts, each layer gold
Belong to plate to be connected as one by Diffusion Welding, soldering or other methods known in the art.
Metal sheet is made of stainless steel, titanium alloy, copper alloy or nickel-bass alloy material, but not limited to this.
Embodiment 2
Reference implementation example 1, the heat exchanger core body of the present embodiment are only made of the combined flow channel metal sheet 13 of single type, Figure 10
It is shown to constitute heat exchange unit or heat exchanger core body by two " O " shape combined flow channel metal sheets, but not limited to this kind mode, it is described
Combined flow channel on combined flow channel metal sheet 13 is " O " shape, diamond shape, " mouth " shape, pentagon, irregular quadrilateral, hexagon
And one of abnormity, the core constitute heat exchanger core using several layers combined flow channel metal sheet 13 in the way of stacking
Body is attached between metal sheet using Diffusion Welding or the mode of soldering, is seawater, cigarette suitable for hot and cold side runner
The operating condition of the non-clean medium or liquid metal etc. such as gas easily blocking medium, other similar embodiments 1 of place.
Embodiment 3
Reference implementation example 1, the heat exchanger core body of the present embodiment are only stacked alternately by two kinds of combined flow channel metal sheet 13
It constitutes, the combined flow channel on the combined flow channel metal sheet 13 is selected from " O " shape, diamond shape, " mouth " shape, pentagon, irregular four
Two kinds in side shape, hexagon and abnormity, which stacks composition heat exchange unit, if
Dry heat exchange unit constitutes heat exchanger core body, is attached, is applicable in using Diffusion Welding or the mode of soldering between metal sheet
In the operating condition that hot and cold side runner is the non-clean medium or liquid metal etc. such as seawater, flue gas easily blocking medium, other place classes
With embodiment 1.
Embodiment 4
Reference implementation example 1, the heat exchanger core body of the present embodiment is by one layer of single channel metal sheet 14 and one layer of combined flow channel metal
Plate 13, which is stacked alternately, to be composed, and the runner of the single channel metal sheet 14 is " D " shape, " V " shape, rectangle or trapezoidal, institute
Stating the combined flow channel on combined flow channel metal sheet 13 is " O " shape, diamond shape, " mouth " shape, pentagon, irregular quadrilateral, six sides
Shape or abnormity form heat exchange unit in the way of one layer of single channel metal sheet, one layer of combined flow channel metal sheet, several
Heat exchange unit forms heat exchanger core body, is attached, can be fitted simultaneously using Diffusion Welding or the mode of soldering between metal sheet
For the operating condition of the non-clean medium or liquid metal etc. such as clean medium and seawater, flue gas easily blocking medium, other place classes
With embodiment 1.
Embodiment 5
Reference implementation example 1, the heat exchanger core body of the present embodiment is by two layers of single channel metal sheet 14 and one layer of combined flow channel metal
Plate 13, which is stacked alternately, to be composed, and the runner of the single channel metal sheet 14 is " D " shape, " V " shape, rectangle or trapezoidal, institute
Stating the combined flow channel on combined flow channel metal sheet 13 is " O " shape, diamond shape, " mouth " shape, pentagon, irregular quadrilateral, six sides
Shape or abnormity form heat exchange unit in the way of two layers of single channel metal sheet, one layer of combined flow channel metal sheet, several
Heat exchange unit forms heat exchanger core body, is attached, can be fitted simultaneously using Diffusion Welding or the mode of soldering between metal sheet
For the operating condition of the non-clean medium or liquid metal etc. such as clean medium and seawater, flue gas easily blocking medium, other place classes
With embodiment 1.
The main inventive concept of the present invention is to be spliced to form combined flow channel metal plate using two single channel metal sheets 14
Piece 13 expands the section of runner in the case where not increasing difficulty of processing and cost, makes the use scope of print format heat exchanger
It is bigger, in actual use, heat exchanger core body is constituted only with combined flow channel metal sheet 13, or use combined flow channel metal sheet
13 and single channel metal sheet 14 mixing composition heat exchanger core body, the shape of runner and specific overlapped way are varied, this
Inventive embodiments can not enumerate, and above-described embodiment has been only exemplified by several frequently seen mode, not exhaustive, and any satisfaction is originally
The combination of inventive concept is within the scope of the invention.
The present invention is ingenious in design, does not increase difficulty of processing and cost, so that heat exchanger core body has biggish combined flow channel,
Combined flow channel metal sheet and single channel metal sheet can also be arranged alternately so that heat exchanger core body simultaneously have it is biggish
Combined flow channel and lesser single channel, can be suitable for simultaneously in the heat exchange of the clean medium such as carbon dioxide, helium, LNG and seawater,
The heat exchange of the low working medium of the cleannes such as flue gas, has widened the application field of printed circuit board heat exchanger.
Claims (9)
1. a kind of novel printed circuit board formula heat exchanger core body comprising combined flow channel, the core includes laminated multi-layer and is linked as
The metal sheet with runner of one, it is characterised in that: the metal sheet includes combined flow channel metal sheet, the combination
Runner metal plate is machined with the first metal sheet of a plurality of single channel by surface and the second metal sheet is in contact with rib with rib
Form be spliced, the section opening width of the first metal sheet and the single channel on the second metal sheet and flow direction are equal
It is symmetrical arranged about Mosaic face, corresponding two single channels constitute a combined flow channel after splicing.
2. as described in claim 1 including the novel printed circuit board formula heat exchanger core body of combined flow channel, which is characterized in that institute
It states core to be made of multiple layer combination runner metal plate, the combined flow channel cross sectional shape of different layers combined flow channel metal sheet is identical
Or it is different；Or, the metal sheet further includes single channel metal sheet, a plurality of single stream is machined on the single channel metal sheet
Road, the core are made of the combined flow channel metal sheet and single channel metal sheet mixing.
3. as claimed in claim 2 including the novel printed circuit board formula heat exchanger core body of combined flow channel, which is characterized in that when
When the core is made of the combined flow channel metal sheet and single channel metal sheet mixing, the combined flow channel metal
It is one that plate and single channel metal sheet are arranged in the way of N layers of combined flow channel metal sheet and M layers of single channel metal sheet
A heat exchange unit, one or more heat exchange units form heat exchanger core body, and wherein N >=1, M >=1, N and M are integer.
4. as claimed in claim 1 or 2 including the novel printed circuit board formula heat exchanger core body of combined flow channel, feature exists
In the cross section of fluid channel shape of, the single channel be " D " shape, " V " shape, rectangle or trapezoidal, the combined flow channel by two " D " shapes,
Two " V " shapes, two rectangles or two trapezoidal single channels are spliced, or by " D " shape, " V " shape, rectangle and trapezoidal single channel
In both any be spliced.
5. as claimed in claim 4 including the novel printed circuit board formula heat exchanger core body of combined flow channel, which is characterized in that institute
The cross sectional shape for stating combined flow channel is that " O " shape, diamond shape, " mouth " shape, pentagon, hexagon, irregular quadrilateral or abnormity are cut
Face.
6. as claimed in claim 1 or 2 including the novel printed circuit board formula heat exchanger core body of combined flow channel, feature exists
In the flow direction of the runner on the metal sheet is straight-through shape, Z-shaped or serpentine.
7. as claimed in claim 1 or 2 including the novel printed circuit board formula heat exchanger core body of combined flow channel, feature exists
In the flow direction of the runner on the metal sheet is cyclic curve structure.
8. as claimed in claim 1 or 2 including the novel printed circuit board formula heat exchanger core body of combined flow channel, feature exists
In, the runner is obtained by photochemical etching or machining or pressure processing, between metal sheet by Diffusion Welding or
Soldering connection is to together.
9. as claimed in claim 1 or 2 including the novel printed circuit board formula heat exchanger core body of combined flow channel, feature exists
In the metal sheet is made of stainless steel, titanium alloy, copper alloy or nickel-bass alloy material.
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