CN113048818A - Plate-fin heat exchanger adopting anti-scaling design and fins with inner and outer composite structures - Google Patents
Plate-fin heat exchanger adopting anti-scaling design and fins with inner and outer composite structures Download PDFInfo
- Publication number
- CN113048818A CN113048818A CN201911386034.8A CN201911386034A CN113048818A CN 113048818 A CN113048818 A CN 113048818A CN 201911386034 A CN201911386034 A CN 201911386034A CN 113048818 A CN113048818 A CN 113048818A
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- China
- Prior art keywords
- plate
- heat exchange
- heat exchanger
- fin
- fins
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- 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.)
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Classifications
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- 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
- F28D9/0025—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 being formed by zig-zag bend plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
- F28F19/02—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using coatings, e.g. vitreous or enamel coatings
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- 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
- F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
- F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
- F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
- F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
Abstract
The invention discloses a plate-fin heat exchanger adopting an anti-scaling design and fins with an inner and outer composite structure, which comprises a bottom plate and a heat exchange plate, wherein a pressing plate is arranged above the bottom plate, the heat exchange plate is arranged between the bottom plate and the pressing plate, a heat exchange groove is formed in the inner part of an outer plate surface of the heat exchange plate, and a nano anti-scaling coating is coated on the outer wall of the heat exchange plate. This adopt plate-fin heat exchanger of scale control design and inside and outside composite construction fin, under the prerequisite that does not increase the heat exchanger size, in on the heat transfer plate, outer fin is along the fluid flow direction, each section adopts different cross sectional shape size, inlet end adopts more straight cross sectional shape promptly, gradually excessively adopt the great cross sectional shape of fluctuation to the exit end, the structural cooperation of while internal and external fin carries out the optimal design, this scheme makes cold and hot side flow tend to evenly in each region, and then make the heat exchange between the cold and hot medium reach abundant, thereby the heat exchange efficiency of heat exchanger has been improved, reduce inside and outside pressure loss.
Description
Technical Field
The invention relates to the technical field of plate-fin heat exchangers, in particular to a plate-fin heat exchanger which adopts an anti-scaling design and has fins with an internal and external composite structure.
Background
The plate-fin heat exchanger is generally composed of partition plates, fins, seals and flow deflectors, wherein the fins, the flow deflectors and the seals are arranged between two adjacent partition plates to form an interlayer, the interlayer is called a channel, the interlayer is overlapped according to different fluid modes and brazed into a whole to form a plate bundle, the plate bundle is the core of the plate-fin heat exchanger, and the plate-fin heat exchanger is a more conventional heat exchanger.
In the plate-fin heat exchanger with the existing structure, the inner fins (or the outer fins) respectively adopt a structural parameter, namely the inner fins (or the outer fins) are not long, the height of a heat dissipation belt, the section shape of the heat dissipation belt, the wave pitch of the heat dissipation belt and the like are kept unchanged.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the plate-fin heat exchanger comprises a bottom plate and a heat exchange plate, wherein a pressing plate is arranged above the bottom plate, the heat exchange plate is arranged between the bottom plate and the pressing plate, a heat exchange groove is formed in the inner portion of an outer plate surface of the heat exchange plate, and a nano scale-proof coating is coated on the outer wall of the heat exchange plate.
Furthermore, the heat exchange grooves are arranged along the front surface and the back surface of the heat exchange plate at equal intervals, and the sizes of the heat exchange grooves are equal.
Furthermore, the thickness of the nano scale prevention coating is 2mm, and the nano scale prevention coating is uniformly covered on the outer wall of the heat exchange plate.
Furthermore, the side surface of the heat exchange plate is of an M-shaped structure, and the inner plate structure of the heat exchange plate is of a W shape.
Furthermore, the bending sections of the heat exchange plates are all wrapped with bending plates, and the bending plates are in W-shaped strip structures.
Compared with the prior art, the invention has the beneficial effects that:
1. this adopt plate-fin heat exchanger of scale control design and inside and outside composite construction fin, under the prerequisite that does not increase the heat exchanger size, in on the heat transfer plate, outer fin is along the fluid flow direction, each section adopts different cross sectional shape size, inlet end adopts more straight cross sectional shape promptly, gradually excessively adopt the great cross sectional shape of fluctuation to the exit end, the structural cooperation of while internal and external fin carries out the optimal design, this scheme makes cold and hot side flow tend to evenly in each region, and then make the heat exchange between the cold and hot medium reach abundant, thereby the heat exchange efficiency of heat exchanger has been improved, reduce inside and outside pressure loss.
2. The setting of heat transfer groove is the heat transfer contact surface in order to enlarge the heat transfer board for the heat transfer efficiency of heat transfer board is higher, and the heat transfer effect is better, the setting of the board of bending, the purpose is consolidated the heat transfer board, makes the heat transfer board structure stronger, and the bending segment intensity is higher, is difficult for breaking off easily.
3. The nanometer scale prevention coating evenly coats on the outer wall surface of heat transfer board, and the effect is isolated filth for the heat transfer board outer wall is clean, avoids the dirt to pile up the heat transfer effect that causes the heat transfer board and receives the influence, keeps the clean life that also can prolong the heat transfer board of heat transfer board outer wall simultaneously.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of a heat exchange plate according to the present invention;
fig. 3 is a schematic front structural view of a heat exchange plate of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: a plate-fin heat exchanger adopting an anti-scaling design and fins with an inner and outer composite structure comprises a bottom plate 1 and heat exchange plates 3, wherein a pressing plate 2 is arranged above the bottom plate 1, the heat exchange plates 3 are arranged between the bottom plate 1 and the pressing plate 2, heat exchange grooves 4 are formed in the inner portion of the outer plate surface of each heat exchange plate 3, the heat exchange grooves 4 are respectively arranged along the front surface and the back surface of each heat exchange plate 3 at equal intervals, the sizes of the heat exchange grooves 4 are equal, the heat exchange grooves 4 are arranged to enlarge the heat exchange contact surface of each heat exchange plate 3, so that the heat exchange efficiency of each heat exchange plate 3 is higher, the heat exchange effect is better, the outer walls of the heat exchange plates 3 are coated with nano anti-scaling coatings 5, the thickness of the nano anti-scaling coatings 5 is 2mm, the nano anti-scaling coatings 5 are uniformly covered on the outer walls of the heat exchange plates 3, the nano anti-scaling coatings 5, the heat exchange effect of the heat exchange plate 3 is prevented from being influenced due to dirt accumulation, the service life of the heat exchange plate 3 can be prolonged by keeping the outer wall surface of the heat exchange plate 3 clean, the side surface of the heat exchange plate 3 is of an M-shaped structure, and the inner plate structure of the heat exchange plate 3 is of a W shape, as can be seen from the figure 1, after the heat exchange plate 3 is bent in the W shape, the heat exchange plate is bent in the M shape, so that a new heat exchange plate 3 structure is formed, on the premise of not increasing the size of the heat exchanger, the inner fins and the outer fins on the heat exchange plate 3 are bent in the fluid flowing direction, each section adopts different sectional shape and size, namely, the inlet end adopts a straight (or small windowing) sectional shape, the outlet end gradually transits to adopt a wavy (or large windowing) sectional shape, meanwhile, the structural matching of the inner fins and the outer fins is optimally designed, and the flow of the cold and hot sides tends to be uniform, and then make the heat exchange between the cold and hot medium reach abundant to improve the heat exchange efficiency of heat exchanger, reduced inside and outside pressure loss, the buckle section outside of heat transfer board 3 all wraps and is equipped with the board 6 of bending, and the board 6 of bending is "W" shape strip structure, the setting of the board 6 of bending, the purpose is consolidated heat transfer board 3, makes heat transfer board 3 structure stronger, and buckle section intensity is higher, is difficult for breaking off easily.
This plate-fin heat exchanger, in on heat transfer plate 3, the outer fin is along the fluid flow direction, each section adopts different cross sectional shape size, the cross sectional shape that the entry end adopted more straight or less to open the window promptly, gradually transition to the exit end and adopt the great (or great to open the window) cross sectional shape of fluctuation, make cold and hot side flow tend to evenly in each region, and then make the heat exchange between cold and hot medium reach abundant, open heat transfer groove 4 on heat transfer plate 3 in addition, make heat transfer plate 3 bigger with the fluid contact surface, so heat exchange efficiency is higher also more abundant, in addition, heat transfer plate 3 goes up the coating has nanometer scale prevention coating 5, with the help of nanometer scale prevention coating 5's isolated ability, guarantee the cleanness of 3 outer walls of heat transfer plate.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an adopt anti scale design and inside and outside composite construction fin's plate-fin heat exchanger, includes bottom plate (1) and heat transfer board (3), its characterized in that: the heat exchanger is characterized in that a pressing plate (2) is arranged above the bottom plate (1), the heat exchange plate (3) is arranged between the bottom plate (1) and the pressing plate (2), a heat exchange groove (4) is formed in the inner portion of the outer plate surface of the heat exchange plate (3), and a nano scale-proof coating (5) is coated on the outer wall of the heat exchange plate (3).
2. The plate-fin heat exchanger with an anti-scaling design and fins of an inner and outer composite structure as claimed in claim 1, wherein: the heat exchange grooves (4) are arranged along the front face and the back face of the heat exchange plate (3) at equal intervals, and the sizes of the heat exchange grooves (4) are equal.
3. The plate-fin heat exchanger with an anti-scaling design and fins of an inner and outer composite structure as claimed in claim 1, wherein: the thickness of the nano scale-proof coating (5) is 2mm, and the nano scale-proof coating (5) is uniformly covered on the outer wall of the heat exchange plate (3).
4. The plate-fin heat exchanger with an anti-scaling design and fins of an inner and outer composite structure as claimed in claim 1, wherein: the side surface of the heat exchange plate (3) is of an M-shaped structure, and the inner plate structure of the heat exchange plate (3) is of a W shape.
5. The plate-fin heat exchanger with an anti-scaling design and fins of an inner and outer composite structure as claimed in claim 1, wherein: the bending sections of the heat exchange plates (3) are all wrapped with bending plates (6), and the bending plates (6) are W-shaped strip structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911386034.8A CN113048818A (en) | 2019-12-27 | 2019-12-27 | Plate-fin heat exchanger adopting anti-scaling design and fins with inner and outer composite structures |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911386034.8A CN113048818A (en) | 2019-12-27 | 2019-12-27 | Plate-fin heat exchanger adopting anti-scaling design and fins with inner and outer composite structures |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113048818A true CN113048818A (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911386034.8A Pending CN113048818A (en) | 2019-12-27 | 2019-12-27 | Plate-fin heat exchanger adopting anti-scaling design and fins with inner and outer composite structures |
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| CN (1) | CN113048818A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061341A (en) * | 2021-11-05 | 2022-02-18 | 无锡小天鹅电器有限公司 | Fin of heat exchanger and heat exchanger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2758686Y (en) * | 2004-11-15 | 2006-02-15 | 华南理工大学 | Cross bellows type diaphragm full hear exchange strengening structure |
| CN1963372A (en) * | 2006-11-27 | 2007-05-16 | 郑州大学 | Chaos fin and plate-fin heat exchanger comprising the same |
| CN201199141Y (en) * | 2008-02-03 | 2009-02-25 | 于凤梅 | Radiating fin |
| CN104390500A (en) * | 2014-11-05 | 2015-03-04 | 中国船舶重工集团公司第七�三研究所 | Saw toothed corrugated fin plate-fin heat exchanger |
| CN104973718A (en) * | 2015-07-23 | 2015-10-14 | 王占军 | Environment-friendly and efficient boiler feed water treatment system |
| CN205505792U (en) * | 2016-03-16 | 2016-08-24 | 中国石油大学(华东) | Corrugated fin type finned plate heat exchanger that chevron shape is straight |
-
2019
- 2019-12-27 CN CN201911386034.8A patent/CN113048818A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2758686Y (en) * | 2004-11-15 | 2006-02-15 | 华南理工大学 | Cross bellows type diaphragm full hear exchange strengening structure |
| CN1963372A (en) * | 2006-11-27 | 2007-05-16 | 郑州大学 | Chaos fin and plate-fin heat exchanger comprising the same |
| CN201199141Y (en) * | 2008-02-03 | 2009-02-25 | 于凤梅 | Radiating fin |
| CN104390500A (en) * | 2014-11-05 | 2015-03-04 | 中国船舶重工集团公司第七�三研究所 | Saw toothed corrugated fin plate-fin heat exchanger |
| CN104973718A (en) * | 2015-07-23 | 2015-10-14 | 王占军 | Environment-friendly and efficient boiler feed water treatment system |
| CN205505792U (en) * | 2016-03-16 | 2016-08-24 | 中国石油大学(华东) | Corrugated fin type finned plate heat exchanger that chevron shape is straight |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114061341A (en) * | 2021-11-05 | 2022-02-18 | 无锡小天鹅电器有限公司 | Fin of heat exchanger and heat exchanger |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210629 |
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| RJ01 | Rejection of invention patent application after publication |