CN214333467U - Double-core plate-fin heat exchanger - Google Patents
Double-core plate-fin heat exchanger Download PDFInfo
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- CN214333467U CN214333467U CN202022812906.7U CN202022812906U CN214333467U CN 214333467 U CN214333467 U CN 214333467U CN 202022812906 U CN202022812906 U CN 202022812906U CN 214333467 U CN214333467 U CN 214333467U
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Abstract
The utility model provides a double-core plate fin heat exchanger, which relates to the field of heat exchangers and comprises a heat exchange core body and an auxiliary heat exchange core body, wherein a first fluid inlet of a main heat exchange core body and a third fluid inlet of the auxiliary heat exchange core body are communicated through a first pipeline; the pressure relief valve is communicated with the second fluid inlet of the main heat exchange core body and the fourth fluid inlet of the auxiliary heat exchange core body; the second pipeline is communicated with the first fluid outlet and the fluid outlet of the main heat exchange core; the one-way valve is communicated with the second fluid outlet of the main heat exchange core body and the fourth fluid outlet of the auxiliary heat exchange core body. When the pressure in the main heat exchange core body is overlarge, excessive fluid enters the auxiliary heat exchange core body through the pressure release valve for heat exchange, and then is converged with the fluid after the heat exchange of the main heat exchange core body is finished through the one-way valve. Not only avoids directly discharging redundant fluid to cause certain resource waste and influence on normal work of other equipment, but also avoids directly mixing the discharged fluid with the fluid after heat exchange to influence the heat exchange effect.
Description
Technical Field
The utility model relates to a heat exchanger technical field especially relates to a two core board wing heat exchangers.
Background
The heat exchanger is a device for exchanging heat between two fluid media with temperature difference. When the heat exchanger is used, heat is transferred from the fluid with higher temperature to the fluid with lower temperature, so that the temperature of the fluid reaches the specified index, and the requirements of system operation and process conditions are met. The hot fluid and the cold fluid perform circulating heat exchange through the heat exchanger to realize cooling of the hot fluid, and the cooling device is widely applied to various industries (such as the automobile industry, the metallurgy industry, the chemical industry, the energy industry and the food industry), ensures long-term stable operation of various system devices, and prevents the influence on the service life due to overheating of key mechanisms of the system.
When the heat exchanger actually works, the heat exchanger is in a high-pressure state due to the surrounding sealing, and when fluid is not discharged in time, the internal pressure of the heat exchanger is possibly too high, so that the normal work of the heat exchanger is influenced, even explosion occurs, therefore, a person skilled in the art usually adopts a pressure relief valve to solve the problem, but the pressure relief valve directly discharges excessive fluid, so that resources are wasted, and the normal work of other equipment around the heat exchanger is possibly influenced; if the fluid discharged by the pressure release valve is directly mixed with the fluid after heat exchange, subsequent work is carried out, and the heat exchange effect of the heat exchanger is influenced.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a two core board wing heat exchangers can solve through the relief valve directly with too much fluid discharge not only extravagant resource and probably can influence the problem of the normal work of other equipment around the heat exchanger and with the fluid mixture after the relief valve exhaust fluid is direct with the heat transfer, carries out follow-up work, will influence the problem of the heat transfer effect of heat exchanger.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a double-core plate fin heat exchanger, which comprises a main heat exchange core, an auxiliary heat exchange core, a first pipeline, a second pipeline, a pressure release valve and a one-way valve; the main heat exchange core body comprises a first heat exchange channel and a second heat exchange channel; the auxiliary heat exchange core body comprises a third heat exchange channel, a fourth heat exchange channel, a first inlet end socket, a first outlet end socket, a second inlet end socket and a second outlet end socket; the front end of the main heat exchange core body is hermetically communicated with a first cavity, the bottom surface of the first cavity is the front end surface of the main heat exchange core body, and the opening of the front end surface of the main heat exchange core body is a first fluid inlet of the first heat exchange channel; the rear end of the main heat exchange core body is communicated with a second cavity in a sealing way, the bottom surface of the second cavity is the rear end surface of the main heat exchange core body, and the opening of the rear end surface of the main heat exchange core body is a first fluid outlet of the first heat exchange channel; the right end of the main heat exchange core body is communicated with a third cavity in a sealing mode, the bottom surface of the third cavity is the front end surface of the main heat exchange core body, and the opening of the right end surface of the main heat exchange core body is a second fluid inlet of the second heat exchange channel; the left end of the main heat exchange core body is hermetically communicated with a fourth cavity, the bottom surface of the fourth cavity is the front end surface of the main heat exchange core body, and the opening of the left end surface of the main heat exchange core body is a second fluid outlet of the second heat exchange channel; the opening of the front end face of the auxiliary heat exchange core body is a third fluid inlet of a third heat exchange channel, and the opening of the rear end face of the auxiliary heat exchange core body is a third fluid outlet of the third heat exchange channel; an opening on the right end face of the auxiliary heat exchange core body is a fourth fluid inlet of a fourth heat exchange channel, and an opening on the left end face of the auxiliary heat exchange core body is a fourth fluid outlet of the fourth heat exchange channel; the first inlet end socket seals the third fluid inlet; the second inlet seal head seals the fourth fluid inlet; the first outlet end socket seals the third fluid outlet; the second outlet end socket seals the fourth fluid outlet; the first pipeline can be communicated with the first cavity and the third fluid inlet through the first inlet sealing head; the pressure relief valve can be communicated with the third cavity and the fourth fluid inlet through the second inlet sealing head; the second pipeline can be communicated with the second cavity and the third fluid outlet through the first outlet end socket; the one-way valve can be communicated with the fourth cavity and the fourth fluid outlet through the second sealing head.
Preferably, the main heat exchange core body is provided with a plurality of first heat exchange layers which are parallel to each other in a penetrating manner from the front end face to the rear end face, and all the first heat exchange layers form the first heat exchange channel; the main heat exchange core body is provided with a plurality of second heat exchange layers which are parallel to each other in a penetrating way from the right end face to the left end face, and all the second heat exchange layers form a second heat exchange channel; the first heat exchange layers are parallel to the second heat exchange layers, and the first heat exchange layers and the second heat exchange layers are alternately arranged.
Preferably, the auxiliary heat exchange core body is provided with a plurality of third heat exchange layers which are parallel to each other in a penetrating manner from the front end face to the rear end face, and all the third heat exchange layers form the third heat exchange channel; the auxiliary heat exchange core body is provided with a plurality of parallel fourth heat exchange layers from the right end face to the left end face in a penetrating manner, and all the fourth heat exchange layers form a fourth heat exchange channel; the third heat exchange layers are parallel to the fourth heat exchange layers, and the third heat exchange layers and the fourth heat exchange layers are alternately arranged.
Preferably, the method further comprises the following steps: a first flange assembly, a second flange assembly, a third flange assembly and a fourth flange assembly; the first flange assembly is fixedly arranged on the front end face of the main heat exchange core body and surrounds all the first fluid inlets; the second flange assembly is fixedly arranged on the rear end face of the main heat exchange core body and surrounds all the first fluid outlets; the third flange assembly is fixedly arranged on the right end face of the main heat exchange core body and surrounds all the second fluid inlets, and the fourth flange assembly is fixedly arranged on the left end face of the main heat exchange core body and surrounds all the second fluid outlets.
Preferably, the first heat exchange layer comprises a plurality of first peak sections and a plurality of first valley sections, the first peak sections and the first valley sections are alternately arranged, and the first peak sections and the first valley sections are centrosymmetric; the section of the first heat exchange layer, which is vertical to the flow direction of the first heat exchange channel, is in a sawtooth shape; the second heat exchange layer comprises a plurality of second peak sections and a plurality of second valley sections, the second peak sections and the second valley sections are alternately arranged, and the second peak sections and the second valley sections are centrosymmetric; the section of the second heat exchange layer parallel to the flow direction of the second heat exchange channel is in a sawtooth shape.
Preferably, the third heat exchange layer and the fourth heat exchange layer are both rectangular.
The technical scheme has the following advantages or beneficial effects:
the utility model provides a double-core plate fin heat exchanger, which comprises a main heat exchange core, an auxiliary heat exchange core, a first pipeline, a pressure release valve, a second pipeline and a one-way valve; the first pipeline is communicated with the first fluid inlet of the main heat exchange core and the third fluid inlet of the auxiliary heat exchange core; the pressure relief valve is communicated with a second fluid inlet of the main heat exchange core body and a fourth fluid inlet newly provided by the second heat exchange core body; the second pipeline is communicated with the first fluid outlet of the main heat exchange core and the third fluid outlet of the auxiliary heat exchange core; the one-way valve is communicated with the second fluid outlet of the main heat exchange core body and the fourth fluid outlet of the auxiliary heat exchange core body. When the pressure in the main heat exchange core is too high and the pressure relief valve is opened, excessive fluid in the first heat exchange channel and the second heat exchange channel enters the auxiliary heat exchange core for heat exchange, and finally the fluid which completes heat exchange in the main heat exchange core is converged with the fluid which completes heat exchange in the one-way valve through the second pipeline. The direct discharge of redundant fluid is avoided to cause certain resource waste and even influence the normal work of other equipment, and the problem that the heat exchange effect of the heat exchanger is influenced when the discharged fluid is directly mixed with the fluid after heat exchange and subsequent work is carried out is solved.
Drawings
The invention and its features, aspects and advantages will become more apparent from a reading of the following detailed description of non-limiting embodiments with reference to the attached drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not intended to be drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.
Fig. 1 is a schematic structural diagram of a dual-core plate-fin heat exchanger provided in embodiment 1 of the present invention;
fig. 2 is a schematic structural diagram of a first heat exchange layer of a dual-core plate-fin heat exchanger provided in embodiment 1 of the present invention;
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which should not be construed as limiting the invention.
Example 1:
the double-core plate fin heat exchanger provided by the embodiment 1 of the utility model can be understood by referring to fig. 1, and comprises a main heat exchange core body 1, an auxiliary heat exchange core body 2, a first pipeline 3, a second pipeline 4, a pressure release valve 5 and a one-way valve 6; the main heat exchange core body 1 comprises a first heat exchange channel and a second heat exchange channel; the auxiliary heat exchange core body 2 comprises a third heat exchange channel, a fourth heat exchange channel, a first inlet end socket (not shown in the attached drawing), a first outlet end socket (not shown in the attached drawing), a second inlet end socket (not shown in the attached drawing) and a second outlet end socket (not shown in the attached drawing);
the front end of the main heat exchange core body 1 is communicated with a first cavity in a sealing way, the bottom surface of the first cavity is the front end surface of the main heat exchange core body 1, and the opening of the front end surface of the main heat exchange core body 1 is a first fluid inlet of a first heat exchange channel;
the rear end of the main heat exchange core body 1 is communicated with a second cavity in a sealing way, the bottom surface of the second cavity is the rear end surface of the main heat exchange core body 1, and the opening of the rear end surface of the main heat exchange core body 1 is a first fluid outlet of a first heat exchange channel;
the right end of the main heat exchange core body 1 is communicated with a third cavity in a sealing mode, the bottom surface of the third cavity is the front end surface of the main heat exchange core body 1, and the opening of the right end surface of the main heat exchange core body 1 is a second fluid inlet of a second heat exchange channel;
the left end of the main heat exchange core body 1 is hermetically communicated with a fourth cavity, the bottom surface of the fourth cavity is the front end surface of the main heat exchange core body 1, and the opening of the left end surface of the main heat exchange core body 1 is a second fluid outlet of the second heat exchange channel;
the opening of the front end face of the auxiliary heat exchange core body 2 is a third fluid inlet of the third heat exchange channel, and the opening of the rear end face of the auxiliary heat exchange core body 2 is a third fluid outlet of the third heat exchange channel; an opening on the right end face of the auxiliary heat exchange core body 2 is a fourth fluid inlet of a fourth heat exchange channel, and an opening on the left end face of the auxiliary heat exchange core body 2 is a fourth fluid outlet of the fourth heat exchange channel; the first inlet end socket seals the third fluid inlet; the second inlet end socket seals the fourth fluid inlet; the first outlet end socket seals the third fluid outlet; the second outlet end socket seals the fourth fluid outlet;
the first pipeline 3 can be communicated with the first cavity and the third fluid inlet through the first inlet end socket; the pressure release valve 5 can be communicated with the third cavity and the fourth fluid inlet through the second inlet end socket; the second pipeline 4 can be communicated with the second cavity and the third fluid outlet through the first outlet end socket; the one-way valve 6 can be communicated with the fourth cavity and the fourth fluid outlet through the second outlet sealing head.
The embodiment of the utility model provides a two core board fin heat exchangers are at the during operation, set for the second heat transfer passageway and supply the A fluid flow through of treating the heat transfer that has further usage, and first heat transfer passageway supplies the B fluid flow through for the heat transfer of A fluid, and the B fluid is air, waste gas usually. Because the periphery of the main heat exchange core body 1 is sealed, the main heat exchange core body 1 can be in a high-pressure state, if fluid cannot be discharged in time, the internal pressure of the double-core plate fin heat exchanger is likely to be too high, the normal work of the double-core plate fin heat exchanger is influenced, and even explosion occurs, so that the utility model is provided with a first pipeline 3 and a pressure release valve 5, the first pipeline 3 is communicated with a first cavity and a third fluid inlet through a first inlet sealing head, and the pressure release valve 5 is communicated with a third cavity and a fourth fluid inlet through a second inlet sealing head; the pressure relief valve 5 is in a normally closed state, the fluid B enters the first heat exchange channel from the first fluid inlet at a high speed, part of the fluid B is shunted by the first pipeline 3 and enters the third heat exchange channel, when the fluid A enters the second heat exchange channel from the second fluid inlet at a high speed, the fluid B in the main heat exchange core body and the fluid A perform flowing heat exchange, if the fluid A in the main heat exchange core body 1 cannot be discharged in time, the internal pressure of the second channel is overlarge, air pressure acts on the blocking device in the pressure relief valve 5, so that the elastic device in the blocking device is deformed to open the through hole, and redundant fluid A is discharged from the second fluid inlet to the fourth fluid inlet through the second inlet sealing head, thereby realizing pressure relief protection. And after heat exchange is finished, the fluid B in the auxiliary heat exchange core body 2 enters a first fluid outlet through a second pipeline 4 through a first outlet end socket and is converged with the fluid B after heat exchange in the main heat exchange core body 1 is finished. And the fluid A in the auxiliary heat exchange core body 2 enters a second fluid outlet from a second outlet end socket through a one-way valve 6 and is converged with the fluid A after heat exchange in the main heat exchange core body 1. Therefore, the situation that certain resource waste is caused even other equipment normally works due to the fact that part of the fluid A is directly discharged is avoided, and meanwhile the problem that the heat exchange effect of the heat exchanger is influenced due to the fact that the discharged fluid A is directly mixed with the fluid A after heat exchange to perform subsequent work is solved. In addition, it should be noted that, because the first heat exchange channel and the third heat exchange channel usually flow through air or exhaust gas, after part of the fluid a is shunted to the auxiliary heat exchange core 2, even if no fluid B flows into the fourth heat exchange channel from the pressure relief valve 5 to exchange heat with the fluid a, there is no need to worry about waste.
Referring to fig. 1, preferably, in the double-core plate-fin heat exchanger provided in embodiment 1 of the present invention, the main heat exchange core 1 is provided with a plurality of first heat exchange layers 11 parallel to each other through from the front end surface to the rear end surface, and all the first heat exchange layers 11 form a first heat exchange channel; the main heat exchange core body 1 is provided with a plurality of second heat exchange layers 12 which are parallel to each other in a penetrating manner from the right end face to the left end face, and all the second heat exchange layers 12 form a second heat exchange channel; the first heat exchange layers 11 are parallel to the second heat exchange layers 12, and the first heat exchange layers 11 are alternately arranged with the second heat exchange layers 12.
The embodiment of the utility model provides a two core plate fin heat exchangers link up from the preceding terminal surface of main heat exchange core 1 to the rear end face and have seted up a plurality of first heat transfer layers 11 that supply B fluid circulation that are parallel to each other, and whole first heat transfer layers 11 form first heat transfer passageway, and first fluid import is through a plurality of first heat transfer layers 11 and first fluid export intercommunication; a plurality of second heat exchange layers 12 which are parallel to each other and are used for the circulation of the fluid A are arranged from the right end face of the main heat exchange core body 1 to the left end face of the main heat exchange core body in a penetrating mode, all the second heat exchange layers 12 form a second heat exchange channel, and a second fluid inlet is communicated with a second fluid outlet through the plurality of second heat exchange layers 12. The first heat exchange layers 11 and the second heat exchange layers 12 are arranged in parallel and alternately, in implementation, fluid B is shunted from the first fluid inlet to enter each first heat exchange layer 11 of the first heat exchange channel, fluid A is shunted from the second fluid inlet to enter each second heat exchange layer 12 of the second heat exchange channel, fluid B in the first heat exchange layers 11 and fluid A in the adjacent second heat exchange layers 12 perform flow heat exchange, finally fluid B is discharged through the first fluid outlet, and fluid A is discharged through the second fluid outlet. Because the utility model provides a two core body board wing heat exchangers directly sets up first heat transfer layer 11 and second heat transfer layer 12 on main heat transfer core, integrated into one piece, need not to adopt a plurality of fin cooperation baffles and strip of paper used for sealing welding formation heat transfer passageway, even it drops also to need not anxious core appearance splice to break off under the impact of A fluid and B fluid is received for a long time to the core, and then cause the problem that cold A fluid mixed flow influences the normal work of heat exchanger and causes the incident even, the compact structure and the reliability of main heat transfer core have greatly been improved, the material cost of strip of paper used for sealing and baffle has also been practiced thrift, for enterprise reduction in production cost. In addition, a first heat exchange channel and a second heat exchange channel are directly arranged on the main heat exchange core body 1, so that the assembly process difficulty and complexity of welding all parts in the double-core plate-fin heat exchanger are reduced, and the time cost of an enterprise is saved.
Further, referring to fig. 1 and 2, in the dual-core plate-fin heat exchanger provided in embodiment 1 of the present invention, the auxiliary heat exchange core 2 is provided with a plurality of third heat exchange layers 21 parallel to each other in a penetrating manner from the front end surface to the rear end surface, and all the third heat exchange layers 21 form a third heat exchange channel; the auxiliary heat exchange core body 2 is provided with a plurality of parallel fourth heat exchange layers 22 from the right end face to the left end face in a penetrating manner, and all the fourth heat exchange layers 22 form a fourth heat exchange channel; the third heat exchange layers 21 are parallel to the fourth heat exchange layers 22, and the third heat exchange layers 21 alternate with the fourth heat exchange layers 22.
The embodiment of the utility model provides a two core plate fin heat exchangers link up from the preceding terminal surface of auxiliary heat exchange core 2 to the rear end face and have seted up a plurality of third heat transfer layers 21 that supply B fluid circulation that are parallel to each other, and all third heat transfer layers 21 form the third heat transfer passageway, and the third fluid import is through a plurality of third heat transfer layers 21 and third fluid export intercommunication; a plurality of parallel fourth heat exchange layers 22 for the circulation of the fluid A are arranged from the right end face of the auxiliary heat exchange core body 2 to the left end face of the auxiliary heat exchange core body in a penetrating way, all the fourth heat exchange layers 22 form a fourth heat exchange channel, and a fourth fluid inlet is communicated with a fourth fluid outlet through the plurality of fourth heat exchange layers 22. The third heat exchange layers 21 and the fourth heat exchange layers 22 are alternately arranged in parallel, in the implementation, the fluid B discharged from the first pipeline 3 is branched from the third fluid inlet to enter each third heat exchange layer 21 of the third heat exchange channel, the fluid a discharged from the pressure relief valve 5 is branched from the fourth fluid inlet to enter each fourth heat exchange layer 22 of the fourth heat exchange channel, the fluid B in the third heat exchange layer 21 performs flow heat exchange with the fluid a in the adjacent fourth heat exchange layer 22, finally the fluid B is discharged from the third fluid outlet through the second pipeline 4, and the fluid a is discharged from the fourth fluid outlet through the one-way valve 6. Because the utility model provides a two core body board wing heat exchangers directly set up third heat transfer layer 21 and fourth heat transfer layer 22 on supplementary heat transfer core, integrated into one piece, need not to adopt a plurality of fin cooperation baffles and strip of paper used for sealing welding formation third heat transfer passageway and fourth heat transfer passageway, even the core receives the impact of A fluid and B fluid for a long time and also need not anxious core appearance welding department fracture and drop, and then cause the problem that cold A fluid mixed flow influences the normal work of heat exchanger and causes the incident even, the compact structure and the reliability of supplementary heat transfer core have greatly been improved, the material cost of strip of paper used for sealing with the baffle has also been practiced thrift, for enterprise reduction in production cost. In addition, the third heat exchange channel and the fourth heat exchange channel are directly formed in the auxiliary heat exchange core body, the assembly process difficulty and complexity of welding all parts in the double-core plate-fin heat exchanger are reduced, and time cost is saved for enterprises.
Further, referring to fig. 1, the dual-core plate fin heat exchanger provided in embodiment 1 of the present invention further includes: a first flange assembly 13, a second flange assembly 14, a third flange assembly 15 and a fourth flange assembly 16; the first flange assembly 13 is fixedly arranged on the front end surface of the main heat exchange core body 1 and surrounds all the first fluid inlets; the second flange assembly 14 is fixedly arranged on the rear end face of the main heat exchange core 1 and surrounds all the first fluid outlets; the third flange assembly 15 is fixedly arranged on the right end face of the main heat exchange core body 1 and surrounds all the second fluid inlets, and the fourth flange assembly 16 is fixedly arranged on the left end face of the main heat exchange core body 1 and surrounds all the second fluid outlets.
The flange assembly is directly connected with the external fluid channel, fluid is guided to the first heat exchange channel and the second heat exchange channel, the end face of the flange assembly is provided with the sealing groove, the sealing ring is arranged in the sealing groove, the size of the twin-core plate fin heat exchanger can be reduced on the basis of meeting the sealing requirement, the occupied space of the twin-core plate fin heat exchanger is saved, and the twin-core plate fin heat exchanger is more flexible in practical application.
Preferably, referring to fig. 1 and 2, the first heat exchange layer 11 includes a plurality of first peak sections 111 and a plurality of first valley sections 112, the first peak sections 111 and the first valley sections 112 are alternately arranged, and the first peak sections 111 and the first valley sections 112 are centrosymmetric; the section of the first heat exchange layer 11, which is perpendicular to the flow direction of the first heat exchange channel, is in a sawtooth shape; the second heat exchange layer 12 includes a plurality of second peak segments (not shown in the drawings) and a plurality of second valley segments (not shown in the drawings), the second peak segments and the second valley segments are alternately arranged, and the second peak segments and the second valley segments are centrosymmetric; the section of the second heat exchange layer 12 parallel to the flow direction of the second heat exchange channels is in a sawtooth shape.
The first heat exchange layer 11 and the second heat exchange layer 12 are both arranged to be of a zigzag structure, so that the contact area between the adjacent first heat exchange layer 11 and the second heat exchange layer 12 is increased, the heat exchange area between the fluid B and the fluid A is increased, the fluid A and the fluid B can exchange heat fully, and the flowing heat exchange comprehensive performance of the twin-core plate fin heat exchanger is improved.
Preferably, referring to fig. 1, the third heat transfer layer 21 and the fourth heat transfer layer 22 are each rectangular parallelepiped. Considering that the volumes of the fluid B and the fluid A discharged from the main heat exchange core body are not too large, the third heat exchange layer 21 and the fourth heat exchange layer 22 can meet the heat exchange requirement by adopting the conventional rectangular parallelepiped shape, and the regular rectangular parallelepiped shape is convenient for processing and forming, so that more production cost can be saved for enterprises.
The preferred embodiments of the present invention have been described; it is to be understood that the invention is not limited to the particular embodiments described above, and that devices and structures not described in detail are understood to be implemented in a manner common in the art; the skilled person in the art, without affecting the essence of the invention, may make numerous possible variations and modifications, or may modify equivalent embodiments, without departing from the technical solution of the invention; therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention all still fall within the protection scope of the technical solution of the present invention, where the technical entity does not depart from the content of the technical solution of the present invention.
Claims (6)
1. A double-core plate fin heat exchanger is characterized by comprising a main heat exchange core body, an auxiliary heat exchange core body, a first pipeline, a second pipeline, a pressure release valve and a one-way valve; the main heat exchange core body comprises a first heat exchange channel and a second heat exchange channel; the auxiliary heat exchange core body comprises a third heat exchange channel, a fourth heat exchange channel, a first inlet end socket, a first outlet end socket, a second inlet end socket and a second outlet end socket;
the front end of the main heat exchange core body is hermetically communicated with a first cavity, the bottom surface of the first cavity is the front end surface of the main heat exchange core body, and the opening of the front end surface of the main heat exchange core body is a first fluid inlet of the first heat exchange channel; the rear end of the main heat exchange core body is communicated with a second cavity in a sealing way, the bottom surface of the second cavity is the rear end surface of the main heat exchange core body, and the opening of the rear end surface of the main heat exchange core body is a first fluid outlet of the first heat exchange channel; the right end of the main heat exchange core body is communicated with a third cavity in a sealing mode, the bottom surface of the third cavity is the front end surface of the main heat exchange core body, and the opening of the right end surface of the main heat exchange core body is a second fluid inlet of the second heat exchange channel; the left end of the main heat exchange core body is hermetically communicated with a fourth cavity, the bottom surface of the fourth cavity is the front end surface of the main heat exchange core body, and the opening of the left end surface of the main heat exchange core body is a second fluid outlet of the second heat exchange channel;
the opening of the front end face of the auxiliary heat exchange core body is a third fluid inlet of a third heat exchange channel, and the opening of the rear end face of the auxiliary heat exchange core body is a third fluid outlet of the third heat exchange channel; an opening on the right end face of the auxiliary heat exchange core body is a fourth fluid inlet of a fourth heat exchange channel, and an opening on the left end face of the auxiliary heat exchange core body is a fourth fluid outlet of the fourth heat exchange channel; the first inlet end socket seals the third fluid inlet; the second inlet seal head seals the fourth fluid inlet; the first outlet end socket seals the third fluid outlet; the second outlet end socket seals the fourth fluid outlet;
the first pipeline can be communicated with the first cavity and the third fluid inlet through the first inlet sealing head; the pressure relief valve can be communicated with the third cavity and the fourth fluid inlet through the second inlet sealing head; the second pipeline can be communicated with the second cavity and the third fluid outlet through the first outlet end socket; the one-way valve can be communicated with the fourth cavity and the fourth fluid outlet through the second sealing head.
2. The twin core plate fin heat exchanger of claim 1, wherein the primary heat exchange core has a plurality of parallel first heat exchange layers extending from the front end face to the rear end face, all of the first heat exchange layers forming the first heat exchange channels; the main heat exchange core body is provided with a plurality of second heat exchange layers which are parallel to each other in a penetrating way from the right end face to the left end face, and all the second heat exchange layers form a second heat exchange channel; the first heat exchange layers are parallel to the second heat exchange layers, and the first heat exchange layers and the second heat exchange layers are alternately arranged.
3. The twin core plate fin heat exchanger of claim 1, wherein the auxiliary heat exchange core has a plurality of third heat exchange layers formed in parallel from the front end surface to the rear end surface, all of the third heat exchange layers forming the third heat exchange passages; the auxiliary heat exchange core body is provided with a plurality of parallel fourth heat exchange layers from the right end face to the left end face in a penetrating manner, and all the fourth heat exchange layers form a fourth heat exchange channel; the third heat exchange layers are parallel to the fourth heat exchange layers, and the third heat exchange layers and the fourth heat exchange layers are alternately arranged.
4. The dual core plate fin heat exchanger of claim 1, further comprising: a first flange assembly, a second flange assembly, a third flange assembly and a fourth flange assembly; the first flange assembly is fixedly arranged on the front end face of the main heat exchange core body and surrounds all the first fluid inlets; the second flange assembly is fixedly arranged on the rear end face of the main heat exchange core body and surrounds all the first fluid outlets; the third flange assembly is fixedly arranged on the right end face of the main heat exchange core body and surrounds all the second fluid inlets, and the fourth flange assembly is fixedly arranged on the left end face of the main heat exchange core body and surrounds all the second fluid outlets.
5. The dual core plate fin heat exchanger of claim 2, wherein the first heat exchange layer comprises a plurality of first peak segments alternating with a plurality of first valley segments, the first peak segments being centrally symmetric with the first valley segments; the section of the first heat exchange layer, which is vertical to the flow direction of the first heat exchange channel, is in a sawtooth shape; the second heat exchange layer comprises a plurality of second peak sections and a plurality of second valley sections, the second peak sections and the second valley sections are alternately arranged, and the second peak sections and the second valley sections are centrosymmetric; the section of the second heat exchange layer parallel to the flow direction of the second heat exchange channel is in a sawtooth shape.
6. The dual core plate fin heat exchanger of claim 3, wherein the third heat exchange layer and the fourth heat exchange layer are each cuboid shaped.
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| CN202022812906.7U CN214333467U (en) | 2020-11-27 | 2020-11-27 | Double-core plate-fin heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117968416A (en) * | 2024-04-01 | 2024-05-03 | 中国核动力研究设计院 | Three-way flow micro-channel compact heat exchanger and application method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117968416A (en) * | 2024-04-01 | 2024-05-03 | 中国核动力研究设计院 | Three-way flow micro-channel compact heat exchanger and application method thereof |
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