CN115127377A - Integrated high-low temperature heat exchanger - Google Patents
Integrated high-low temperature heat exchanger Download PDFInfo
- Publication number
- CN115127377A CN115127377A CN202210694785.1A CN202210694785A CN115127377A CN 115127377 A CN115127377 A CN 115127377A CN 202210694785 A CN202210694785 A CN 202210694785A CN 115127377 A CN115127377 A CN 115127377A
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- CN
- China
- Prior art keywords
- cooling plate
- plate
- heat exchange
- temperature heat
- heat exchanger
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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
- F28D9/04—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 spirally-wound plates or laminae
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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
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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
- F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses an integrated high-low temperature heat exchanger, which comprises an upper cover plate, wherein one side of the upper cover plate is respectively provided with a cold fluid inlet and a hot fluid inlet, the lower end of the upper cover plate is provided with a front cooling plate, the lower end of the front cooling plate is provided with an upper cooling plate, a plurality of upper cooling plates form a high-temperature heat exchange part, the lower end of the upper cooling plate is provided with an intermediate cooling plate, the lower end of the intermediate cooling plate is provided with a lower cooling plate, a plurality of lower cooling plates form a low-temperature heat exchange part, the lower end of the lower cooling plate is provided with a rear cooling plate, the lower end of the rear cooling plate is provided with a support plate, two sides of the front cooling plate, the upper cooling plate, the intermediate cooling plate, the lower cooling plate, the rear cooling plate and the support plate are respectively provided with two through holes for the circulation of cold fluid and hot fluid, the integrated high-low temperature heat exchanger can meet the requirements of various temperature flow fluids and effectively reduce the required flow of the cold fluid, meanwhile, the heat exchange efficiency is improved, and the application range is enlarged.
Description
Technical Field
The invention relates to the technical field of heat exchange, in particular to an integrated high-low temperature heat exchanger.
Background
In engineering, a device that transfers the heat of a certain fluid to another fluid in a certain heat transfer manner is called a heat exchanger. In the equipment, at least two fluids with different temperatures participate in heat exchange, wherein one fluid has a higher temperature and emits heat, and the other fluid has a lower temperature and absorbs heat.
In the use process of chemical industry and petroleum industry, different parts have different requirements on temperature and flow, and the conventional heat exchanger cannot exchange heat according to the cooling flow required by different parts, so that the resource waste is caused, and the heat exchange efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides an integrated high-low temperature heat exchanger which can meet the requirements of fluids with various temperature flows, effectively reduce the flow of a required cooling body, improve the heat exchange efficiency and effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: an integrated high-low temperature heat exchanger comprises an upper cover plate, wherein a cold fluid inlet and a hot fluid inlet are respectively arranged on one side of the upper cover plate, a front cooling plate is arranged at the lower end of the upper cover plate, an upper cooling plate is arranged at the lower end of the front cooling plate, a plurality of upper cooling plates form a high-temperature heat exchange part, an intermediate cooling plate is arranged at the lower end of the upper cooling plate, a lower cooling plate is arranged at the lower end of the intermediate cooling plate, a plurality of lower cooling plates form a low-temperature heat exchange part, a rear cooling plate is arranged at the lower end of the lower cooling plate, a support plate is arranged at the lower end of the rear cooling plate, two through holes for the circulation of cold fluid and hot fluid are respectively arranged on two sides of the front cooling plate, the upper cooling plate, the intermediate cooling plate, the lower cooling plate, the rear cooling plate and the support plate, a first blind hole is arranged on one side of the front cooling plate, and a through hole corresponding to the position of the hot fluid inlet is a second blind hole, and a through hole corresponding to the position of the cold fluid inlet on the rear cooling plate is set as a third blind hole.
As a preferable technical scheme of the invention, the number and the size of the upper cooling plate and the lower cooling plate are determined according to the design of the heat exchange amount.
As a preferable technical solution of the present invention, the upper cooling plate and the lower cooling plate both employ corrugated heat exchange fins.
As a preferable technical scheme of the invention, the included angle of the heat exchange fins on the upper cooling plate and the lower cooling plate is 50 degrees.
As a preferable technical scheme of the invention, the included angle of the heat exchange fins on the upper cooling plate and the lower cooling plate is 120 degrees.
As a preferable technical scheme of the invention, the upper cover plate is connected with the support plate through bolts.
Compared with the prior art, the invention has the beneficial effects that: the integrated high-low temperature heat exchanger is compact in structure and reasonable in design, hot fluid is shunted by arranging the second blind holes in the middle cooling plate, the separation of the high-temperature heat exchange part and the low-temperature heat exchange part is realized, meanwhile, the number of the upper cooling plates and the number of the lower cooling plates in the high-temperature heat exchange part and the low-temperature heat exchange part can be changed according to external requirements, the outgoing temperature of high-temperature and low-temperature fluids is accurately controlled, the cocurrent heat exchange between the cold fluid and the hot fluid in the high-temperature heat exchange part is realized, the countercurrent heat exchange between the cold fluid and the hot fluid in the bottom-temperature heat exchange part is realized, the heat exchange efficiency is greatly improved, the requirement of multiple temperature flow fluids is met, the required cold liquid flow is effectively reduced, and energy conservation and emission reduction are realized.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of the structure of each cooling plate;
FIG. 3 is a schematic diagram of the flow of hot fluid;
FIG. 4 is a schematic diagram of cold fluid flow.
In the figure: the structure comprises an upper cover plate 1, a front cooling plate 2, an upper cooling plate 3, an intermediate cooling plate 4, a lower cooling plate 5, a rear cooling plate 6, a support plate 7, a cold fluid inlet 8, a hot fluid inlet 9, a first blind hole 10, a second blind hole 11 and a third blind hole 12.
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, but not all of the embodiments (for convenience of description and understanding, the upper side of fig. 1 is described as the upper side below). 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.
Example 1: referring to fig. 1-4, the present invention provides a technical solution: an integrated high-low temperature heat exchanger comprises an upper cover plate 1, wherein a cold fluid inlet 8 and a hot fluid inlet 9 are respectively arranged on one side of the upper cover plate 1, a front cooling plate 2 is arranged at the lower end of the upper cover plate 1, an upper cooling plate 3 is arranged at the lower end of the front cooling plate 2, a high-temperature heat exchange component is formed by a plurality of upper cooling plates 3, an intermediate cooling plate 4 is arranged at the lower end of the upper cooling plate 3, a lower cooling plate 5 is arranged at the lower end of the intermediate cooling plate 4, a low-temperature heat exchange component is formed by a plurality of lower cooling plates 5, the number and the size of the upper cooling plate 3 and the lower cooling plate 5 are determined according to the heat exchange quantity design, corrugated heat exchange plates are respectively adopted on the upper cooling plate 3 and the lower cooling plate 5, a flow channel formed by a corrugated structure can improve the rigidity of a plate, and can generate strong turbulence in the fluid flowing process to strengthen heat transfer, so that the hot fluid and the cold fluid can fully exchange heat through the upper cooling plate 3 and the lower cooling plate 5, the included angle of the heat exchange fins on the upper cooling plate 3 and the lower cooling plate 5 is 50 degrees, the flow resistance of the heat exchange fins with the corrugated included angle of 50 degrees is small, the heat exchange fins are suitable for large flow, the lower end of the lower cooling plate 5 is provided with a rear cooling plate 6, the lower end of the rear cooling plate 6 is provided with a support plate 7, the upper cover plate 1 is connected with the support plate 7 through bolts, the front cooling plate 2, the upper cooling plate 3, the middle cooling plate 4, the lower cooling plate 5, the two sides of the rear cooling plate 6 and the support plate 7 are respectively provided with two through holes for the circulation of cold fluid and hot fluid, one side of the front cooling plate 2 is provided with a first blind hole 10, namely the front cooling plate 2 is provided with two through holes which respectively correspond to the cold fluid inlet 8 and the hot fluid inlet 9, the cold fluid and the hot fluid are led in from the corresponding through holes on the same side and led out from the corresponding through holes on the other side, the through hole corresponding to the hot fluid inlet 9 on the middle cooling plate 4 is set as a second blind hole 11, the middle cooling plate 4 is provided with three through holes, the through hole at one side corresponds to a cold fluid inlet 8, the two through holes at the other side are respectively a cold fluid outlet and a shunt hole, the shunt hole divides hot fluid into two parts, one part of the hot fluid directly flows out of the heat exchanger after high-temperature heat exchange is finished, the other part of the hot fluid flows into a low-temperature heat exchange part for further cooling, the lower cooling plate 5 is provided with four through holes which respectively correspond to the inflow and the outflow of the cold and hot fluids, the through hole corresponding to the position of the cold fluid inlet 8 on the rear cooling plate 6 is set as a third blind hole 12, the rear cooling plate 6 is provided with three through holes, one side is provided with a hot high-temperature fluid outlet, the other side is respectively provided with a hot-low-temperature fluid outlet and a cold fluid outlet, the through hole of the supporting plate 7 is the same as that of the rear cooling plate 6, the integrated high-low-temperature heat exchanger has compact structure and reasonable design, the hot fluid is shunted by arranging the second blind hole 11 on the middle cooling plate 4, the separation of the high-temperature heat exchange part and the low-temperature heat exchange part is realized, so that cold fluids with different temperatures are obtained through heat exchange, the heat exchange efficiency is improved, the requirements of fluids with various temperature flows are met, the flow of the required cold liquid is effectively reduced, and the energy conservation and emission reduction are realized.
When in use: hot fluid and cold fluid which are subjected to heat exchange enter the heat exchanger through a hot fluid inlet 9 and a cold fluid inlet 8 of the panel 1, the two fluids enter the high-temperature heat exchange part through inlets on the front cooling plate 2, alternately flow in a flow channel formed by the upper cooling plates 3 and exchange heat in a downstream mode through the upper cooling plates 3; then, the hot fluid flows to an outlet on the other side through the second blind hole 11 in the intermediate cooling plate 4, the cold fluid enters the low-temperature heat exchange component through the intermediate cooling plate 4, carries out countercurrent heat exchange with the hot fluid flowing oppositely, and finally flows out of the heat exchanger through the cold fluid outlet after heat exchange is completed through the plurality of lower cooling plates 5, the rear cooling plate 6 and the support plate 7.
The hot fluid is separated by the intermediate cooling plate 4 and does not directly flow through the intermediate cooling plate 4, the upper part of all the hot fluid passes through the upper cooling plate 3 and reaches the flow dividing port of the intermediate cooling plate 4, one part of the hot fluid flows to the hot side fluid outlet of the lower cooling plate 5, the rear cooling plate 6 and the support plate 7 through the flow dividing hole and flows out of the heat exchanger, the other part of the hot fluid performs further countercurrent heat exchange with the opposite cold fluid through the flow passage of the lower cooling plate 5 to complete a complete heat exchange, the discharge temperature is lower, the heat exchange amplitude is deepened, and the low-temperature fluid exchanging heat with the hot fluid flows out of the heat exchanger through the hot side fluid outlets of the rear cooling plate 6 and the support plate 7.
Example 2: the difference with embodiment 1 lies in that the included angle of the heat exchange fins on the upper cooling plate 3 and the lower cooling plate 5 is 120 degrees, and the heat exchange efficiency of the heat exchange fins with the corrugated included angle of 120 degrees is higher, but the flow resistance is larger, and the heat exchange fins are suitable for small flow.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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 (6)
1. The utility model provides an integrated high low temperature heat exchanger, includes upper cover plate (1), and one side of upper cover plate (1) is provided with cold fluid import (8) and hot-fluid import (9) respectively, its characterized in that: the lower end of the upper cover plate (1) is provided with a front cooling plate (2), the lower end of the front cooling plate (2) is provided with an upper cooling plate (3), a plurality of upper cooling plates (3) form a high-temperature heat exchange part, the lower end of the upper cooling plate (3) is provided with an intermediate cooling plate (4), the lower end of the intermediate cooling plate (4) is provided with a lower cooling plate (5), a plurality of lower cooling plates (5) form a low-temperature heat exchange part, the lower end of the lower cooling plate (5) is provided with a rear cooling plate (6), the lower end of the rear cooling plate (6) is provided with a support plate (7), two sides of the front cooling plate (2), the upper cooling plate (3), the intermediate cooling plate (4), the lower cooling plate (5), the rear cooling plate (6) and the support plate (7) are respectively provided with two through holes for circulation of cold fluid and hot fluid, one side of the front cooling plate (2) is provided with a first blind hole (10), the through hole corresponding to the position of the hot fluid inlet (9) on the intermediate cooling plate (4) is set as a second blind hole (11), and the through hole corresponding to the position of the cold fluid inlet (8) on the rear cooling plate (6) is set as a third blind hole (12).
2. An integrated high and low temperature heat exchanger according to claim 1, wherein: the number and the size of the upper cooling plate (3) and the lower cooling plate (5) are determined according to the heat exchange amount design.
3. An integrated high and low temperature heat exchanger according to claim 1, wherein: and the upper cooling plate (3) and the lower cooling plate (5) are both provided with corrugated heat exchange fins.
4. An integrated high and low temperature heat exchanger according to claim 3, wherein: the included angle of the heat exchange fins on the upper cooling plate (3) and the lower cooling plate (5) is 50 degrees.
5. An integrated high and low temperature heat exchanger according to claim 1, wherein: the included angle of the heat exchange fins on the upper cooling plate (3) and the lower cooling plate (5) is 120 degrees.
6. An integrated high and low temperature heat exchanger according to claim 1, wherein: the upper cover plate (1) is connected with the support plate (7) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694785.1A CN115127377A (en) | 2022-06-20 | 2022-06-20 | Integrated high-low temperature heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210694785.1A CN115127377A (en) | 2022-06-20 | 2022-06-20 | Integrated high-low temperature heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115127377A true CN115127377A (en) | 2022-09-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210694785.1A Pending CN115127377A (en) | 2022-06-20 | 2022-06-20 | Integrated high-low temperature heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115127377A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116697792A (en) * | 2023-05-31 | 2023-09-05 | 珠海科创储能科技有限公司 | Phase-change energy-storage plate heat exchanger |
-
2022
- 2022-06-20 CN CN202210694785.1A patent/CN115127377A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116697792A (en) * | 2023-05-31 | 2023-09-05 | 珠海科创储能科技有限公司 | Phase-change energy-storage plate heat exchanger |
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