CN219474367U - Novel heat exchanger - Google Patents
Novel heat exchanger Download PDFInfo
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- CN219474367U CN219474367U CN202320530491.5U CN202320530491U CN219474367U CN 219474367 U CN219474367 U CN 219474367U CN 202320530491 U CN202320530491 U CN 202320530491U CN 219474367 U CN219474367 U CN 219474367U
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- heat exchanger
- refrigerant medium
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Abstract
The utility model provides a novel heat exchanger, which comprises a heat exchange plate and an end plate, wherein two end parts of the heat exchange plate are arranged on the end plate, a plurality of heat exchange plates are arranged at intervals, a space between two adjacent heat exchange plates is used as a heat exchange medium channel, a refrigerant medium channel is arranged between every two adjacent smoke medium channels, a smoke channel is arranged between every two adjacent refrigerant medium channels, the heat exchange plate adopts a corrugated plate, one side wall or two side walls of the corrugated plate are provided with three-dimensional ribs I which are arranged in an array, an inlet of the smoke channel is positioned at the upper part of the corrugated plate, a vertical direct current channel structure is adopted as the smoke channel, an inlet of the refrigerant medium channel is positioned at the side part of the corrugated plate, and a transverse curved channel is adopted as the refrigerant medium channel. The heat exchanger is used for flue gas heat exchange, can avoid low-temperature corrosion of the heat exchanger under the condition of reducing abrasion of the heat exchange plate, realizes enhanced heat exchange, is beneficial to adjusting the metal wall temperature, and has slight abrasion to the heat exchange plate.
Description
Technical Field
The utility model relates to heat exchange equipment, in particular to a novel heat exchanger.
Background
The prior art document (CN 216668389U) provides a corrugated plate heat exchanger, which comprises a conversion frame body, wherein a heat source contact plate is arranged in the conversion frame body, a serpentine heat source tube is arranged in the conversion frame body, heat dissipation plates are arranged on two sides of the heat source contact plate, corrugated heat dissipation plates are arranged in the heat dissipation plates, and the corrugated plate heat exchanger can be used by sliding adjustment according to requirements through a connecting plate capable of sliding adjustment.
The prior document (CN 206787363U) provides a horizontal flat corrugated plate of a plate heat exchanger, wherein the flat corrugated plate is formed by continuously connecting a plurality of periodic plates, the plates are formed by sequentially connecting a first inclined plate, a first corrugated plate, a second inclined plate and a second corrugated plate, and the improved corrugated structure is beneficial to turbulent flow when the speed of fluid is low due to the fluctuation of the inner boundary of an improved flow channel, so that the heat exchange quantity between cold and hot fluid is greatly enhanced.
Another prior document (CN 202614043U) provides a corrugated plate heat exchanger, which comprises heat exchange plates, wherein the heat exchange plates are inserted on a distributing pipe and a discharging pipe of the heat exchanger, the heat exchange plates are arranged in a sealing way, and the heat exchange plates are corrugated.
Although the wave-form heat exchanger has the advantages of high effective heat exchange area per unit volume and high heat exchange area, the wave-form heat exchanger is directly used in the flue gas heat exchange occasion, at least has low-temperature corrosion risk, and the abrasion to the heat exchange plate is serious. Therefore, how to avoid the low-temperature corrosion of the heat exchanger under the condition of reducing the abrasion of the heat exchange plate is a technical problem to be solved.
Disclosure of Invention
The utility model aims to provide a novel heat exchanger which is at least used for avoiding low-temperature corrosion of the heat exchanger under the condition of reducing abrasion of a heat exchange plate.
In order to achieve the above purpose, the present utility model adopts the following technical scheme.
The utility model provides a novel heat exchanger, includes heat exchange plate and end plate, and the both ends of heat exchange plate are installed on the end plate, and the heat exchange plate interval is provided with a plurality ofly, and the space between two adjacent heat exchange plates is as the heat exchange medium passageway, and is provided with a refrigerant medium passageway between every two adjacent flue gas passageways, sets up a flue gas passageway between every two adjacent refrigerant medium passageways, its characterized in that: the heat exchange plate adopts a corrugated plate, one side wall or two side walls of the corrugated plate are provided with three-dimensional ribs I which are arranged in an array, an inlet of a flue gas channel is positioned on the upper part of the corrugated plate, a vertical direct current channel structure is adopted as the flue gas channel, an inlet of a refrigerant medium channel is positioned on the side part of the corrugated plate, and a transverse curved channel is adopted as the refrigerant medium channel.
As a preferable scheme, the two side walls of the flue gas channel are provided with three-dimensional ribs I, and the two side walls of the refrigerant medium channel are smooth wall surfaces.
More preferably, the buckling direction of the three-dimensional rib I is a transverse direction, and the rib tip of the three-dimensional rib I is far away from the inlet of the refrigerant medium channel. By adopting the scheme, the flue gas flow resistance can be reduced more favorably under the condition of enhancing heat exchange.
As another preferable mode, the buckling direction of the three-dimensional rib is a vertical direction, and the rib tip of the three-dimensional rib faces downwards.
Further, two side walls of the refrigerant medium channel are provided with a three-dimensional rib II.
Preferably, the buckling direction of the second three-dimensional rib is a vertical direction, and the rib tip of the first three-dimensional rib faces downwards or upwards. Preferably, the wave troughs of two adjacent corrugated plates are positioned on the same vertical plane, and the vertical plane is parallel to the end plate.
In order to further improve the comprehensive performance (pressure bearing capacity and bending resistance) of the heat exchanger, the heat exchange plate is composed of a plurality of semicircular sections.
The beneficial effects are that: the heat exchanger is used for flue gas heat exchange, so that low-temperature corrosion of the heat exchanger can be avoided under the condition of reducing abrasion of the heat exchange plate, enhanced heat exchange is realized, and the metal wall temperature is favorably adjusted; when the device is used, the flow direction of smoke and dust in the smoke channel is consistent with the extending direction of the wave trough/wave crest of the corrugated plate (namely, the flow direction in the smoke channel is parallel to the extending direction of the wave trough/wave crest of the corrugated plate), the problem of airflow (smoke) turning hardly exists, the abrasion to the heat exchange plate is slight, and dust in the smoke hardly causes abrasion to the heat exchange plate; the heat exchange enhancement is further realized by repeated diversion of the air flow in the refrigerant medium channel; in addition, the corrugated plate is adopted as the heat exchange plate for flue gas heat exchange, so that the bending resistance and the shock resistance of the heat exchange plate are greatly improved.
Drawings
FIG. 1 is a schematic view showing the internal structure of a heat exchanger in embodiment 1 in a plan view;
FIG. 2 is a schematic view showing the internal structure of the heat exchanger in embodiment 2 in a plan view;
fig. 3 is a schematic view showing the internal structure of the heat exchanger in embodiment 3 in a plan view.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
Examples
As shown in fig. 1, the novel heat exchanger comprises heat exchange plates 5 and end plates 2, wherein two end parts of the heat exchange plates 5 are arranged on the end plates 2, a plurality of heat exchange plates 5 are arranged at intervals, a space between two adjacent heat exchange plates 5 is used as a heat exchange medium channel, a refrigerant medium channel 6 is arranged between every two adjacent flue gas channels 3, and a flue gas channel 3 is arranged between every two adjacent refrigerant medium channels 6. The heat exchange plate 5 adopts a corrugated plate, one side wall of the corrugated plate is provided with three-dimensional ribs 4 which are arranged in an array, an inlet of the flue gas channel 3 is positioned on the upper portion of the corrugated plate, a vertical direct current channel structure is adopted as the flue gas channel 3, an inlet of the refrigerant medium channel 6 is positioned on the side portion of the corrugated plate, and a transverse curved channel is adopted as the refrigerant medium channel 6.
In the embodiment, two side walls of the flue gas channel 3 are respectively provided with a three-dimensional rib I4, two side walls of the refrigerant medium channel 6 are smooth wall surfaces, the warping direction of the three-dimensional rib I4 is a transverse direction (as shown in fig. 1, the three-dimensional rib I4 warps rightwards), and the rib tip of the three-dimensional rib I4 is far away from the inlet of the flue gas channel 3; the valleys of two adjacent corrugated plates lie in the same vertical plane, and this vertical plane is parallel to the end plate 2.
Examples
As shown in fig. 3, the novel heat exchanger comprises heat exchange plates 5 and end plates 2, wherein two end parts of the heat exchange plates 5 are arranged on the end plates 2, a plurality of heat exchange plates 5 are arranged at intervals, a space between two adjacent heat exchange plates 5 is used as a heat exchange medium channel, a refrigerant medium channel 6 is arranged between every two adjacent flue gas channels 3, and a flue gas channel 3 is arranged between every two adjacent refrigerant medium channels 6. The heat exchange plate 5 adopts a corrugated plate, one side wall of the corrugated plate is provided with three-dimensional ribs 4 which are arranged in an array, an inlet of the flue gas channel 3 is positioned on the upper portion of the corrugated plate, a vertical direct current channel structure is adopted as the flue gas channel 3, an inlet of the refrigerant medium channel 6 is positioned on the side portion of the corrugated plate, and a transverse curved channel is adopted as the refrigerant medium channel 6. In the embodiment, two side walls of the flue gas channel 3 are respectively provided with a three-dimensional rib I4, two side walls of the refrigerant medium channel 6 are smooth wall surfaces, the warping direction of the three-dimensional rib I4 is a vertical direction (the three-dimensional rib I4 warps downwards as shown in fig. 2), and the rib tip of the three-dimensional rib I4 faces downwards; the valleys of two adjacent corrugated plates lie in the same vertical plane, and this vertical plane is parallel to the end plate 2.
Examples
As shown in fig. 3, the novel heat exchanger comprises heat exchange plates 5 and end plates 2, wherein two end parts of the heat exchange plates 5 are arranged on the end plates 2, a plurality of heat exchange plates 5 are arranged at intervals, a space between two adjacent heat exchange plates 5 is used as a heat exchange medium channel, a refrigerant medium channel 6 is arranged between every two adjacent flue gas channels 3, and a flue gas channel 3 is arranged between every two adjacent refrigerant medium channels 6. The heat exchange plate 5 adopts a corrugated plate, one side wall of the corrugated plate is provided with three-dimensional ribs I4 which are arranged in an array manner, an inlet of a flue gas channel 3 is positioned at the upper part of the corrugated plate, a vertical direct current channel structure is adopted as the flue gas channel 3, an inlet of a refrigerant medium channel 6 is positioned at the side part of the corrugated plate, and a transverse curved channel is adopted as the refrigerant medium channel 6; two side walls of the refrigerant medium channel 6 are also provided with a three-dimensional rib II 8, the warping direction of the three-dimensional rib II 8 is a vertical direction, and the rib tip of the three-dimensional rib I4 faces downwards or upwards.
In a specific application scheme, the heat exchange plate 5 is formed by a plurality of petals with semicircular radial sections, and the heat exchanger formed by the heat exchange plate 5 has excellent bending resistance and pressure bearing capacity.
When in use, the utility model is characterized in that: the high-temperature flue gas 7 enters from the flue gas channel 3 and flows downwards (namely enters from a flue gas inlet at the top of the heat exchange plate 5 and flows downwards vertically), the flue gas in the flue gas channel 3 can continuously wash the side edges of the three-dimensional rib I4 (partial flue gas small-amplitude turning caused by the flue gas washing of the side edges of the three-dimensional rib I4 does not influence the whole vertical flow of the flue gas, namely the partial flue gas turning is negligible), heat exchange enhancement is realized, and meanwhile, the dust accumulation in the flue gas channel 3 can be avoided; the refrigerant medium (clean air 1) enters from the refrigerant medium channel 6 and flows transversely (namely enters from the inlet at the left end part of the heat exchange plate 5 and flows rightwards), in the process, the air 1 can turn repeatedly in the refrigerant medium channel 6 and is continuously flushed on the wall surface of the heat exchange plate 5, so that heat exchange enhancement is further realized. The heat exchanger is used for flue gas heat exchange, low-temperature corrosion of the heat exchanger can be avoided under the condition of reducing abrasion of the heat exchange plate, enhanced heat exchange is realized, metal wall temperature adjustment is facilitated, the flow direction of flue gas and dust of a flue gas channel is consistent with the extending direction of trough/wave crest of the wave plate (the flow direction in the flue gas channel 3 is parallel to the extending direction of trough/wave crest of the wave plate), the problem that air flow (high-temperature flue gas 7) turns is hardly caused, the abrasion to the heat exchange plate is very slight, and dust in the flue gas hardly causes abrasion to the heat exchange plate. In addition, the corrugated plate is adopted as the heat exchange plate, so that the bending resistance and the shock resistance of the heat exchange plate are greatly improved.
Claims (8)
1. The utility model provides a novel heat exchanger, includes heat exchange plate (5) and end plate (2), and the both ends of heat exchange plate (5) are installed on end plate (2), and heat exchange plate (5) interval is provided with a plurality ofly, and space between two adjacent heat exchange plates (5) is as heat exchange medium passageway, and is provided with a refrigerant medium passageway (6) between every two adjacent flue gas passageway (3), sets up a flue gas passageway (3) between every two adjacent refrigerant medium passageway (6), its characterized in that: the heat exchange plate (5) adopts a corrugated plate, one side wall or two side walls of the corrugated plate are provided with three-dimensional ribs I (4) which are arranged in an array mode, an inlet of the flue gas channel (3) is positioned on the upper portion of the corrugated plate, a vertical direct current channel structure is adopted as the flue gas channel (3), an inlet of the refrigerant medium channel (6) is positioned on the side portion of the corrugated plate, and a transverse curved channel is adopted as the refrigerant medium channel (6).
2. The novel heat exchanger of claim 1, wherein: two side walls of the flue gas channel (3) are provided with three-dimensional ribs I (4), and two side walls of the refrigerant medium channel (6) are smooth wall surfaces.
3. The novel heat exchanger of claim 2, wherein: the warping direction of the three-dimensional rib I (4) is a transverse direction, and the rib tip of the three-dimensional rib I (4) is far away from the inlet of the refrigerant medium channel (6).
4. The novel heat exchanger of claim 2, wherein: the buckling direction of the three-dimensional rib I (4) is a vertical direction, and the rib tip of the three-dimensional rib I (4) faces downwards.
5. The novel heat exchanger according to any one of claims 1 to 4, wherein: two side walls of the refrigerant medium channel (6) are provided with three-dimensional ribs (8).
6. The novel heat exchanger of claim 5, wherein: the buckling direction of the three-dimensional rib II (8) is a vertical direction, and the rib tip of the three-dimensional rib I (4) faces downwards or upwards.
7. The novel heat exchanger of claim 6, wherein: the wave troughs of two adjacent corrugated plates are positioned on the same vertical plane, and the vertical plane is parallel to the end plate (2).
8. The novel heat exchanger according to claim 6 or 7, wherein: the heat exchange plate (5) is composed of a plurality of semicircular valve bodies with semicircular sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320530491.5U CN219474367U (en) | 2023-03-17 | 2023-03-17 | Novel heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320530491.5U CN219474367U (en) | 2023-03-17 | 2023-03-17 | Novel heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474367U true CN219474367U (en) | 2023-08-04 |
Family
ID=87459824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320530491.5U Active CN219474367U (en) | 2023-03-17 | 2023-03-17 | Novel heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474367U (en) |
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2023
- 2023-03-17 CN CN202320530491.5U patent/CN219474367U/en active Active
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