Efficient heat exchange and transfer plate with curved ripples and plate heat exchanger

Abstract

The efficient heat exchange and transfer plate comprises a plate body, the plate body comprises a heat exchange area and flow dividing areas symmetrically distributed at the two ends of the heat exchange area, acceleration areas are formed between the heat exchange area and the flow dividing areas, and omega-shaped hanging grooves are formed in the sides, away from the heat exchange area, of the flow dividing areas; a plurality of groups of supporting beans are distributed on the shunting area, and each group of supporting beans are arranged in a triangular shape; curve ripples are evenly distributed on the surface of the heat exchange area, flow channels formed by the curve ripples are in two side-by-side V shapes, and a plurality of sets of reinforcing ribs are evenly distributed on the curve ripples. The acceleration area comprises a plurality of V-shaped corrugations which are arranged at equal intervals and are consistent in opening orientation, and the V-shaped corrugations are distributed in the width direction of the plate sheet body. A plate heat exchanger comprises a heat transfer plate. According to the heat exchanger, the heat exchange area is arranged to be curved ripples, the turbulence effect is enhanced while the contact area of a runner is increased, and therefore the heat exchange efficiency is improved.

Description

Technical Field

[0001] This utility model relates to a heat transfer plate and a plate heat exchanger, and more particularly to a high-efficiency heat transfer plate and a plate heat exchanger with curved corrugations. Background Technology

[0002] Plate heat exchangers are widely used in the power HVAC field due to their high heat exchange efficiency, low heat loss, compact structure, and small footprint. The quality of a plate heat exchanger mainly depends on the pressing and assembly process of the plates. Since a plate heat exchanger consists of multiple stacked heat exchange plates, even a single plate tilting can cause the entire heat exchanger to leak, requiring disassembly and reassembly or even scrapping, increasing production costs.

[0003] However, due to the insufficient number of heat transfer plates in the existing structure, the heat exchange efficiency will be affected when the temperature changes, resulting in a decrease in heat exchange efficiency and a lack of pressure resistance. Under the same design conditions, the heat exchange area of ​​the selected plate type needs to be increased, thereby increasing the manufacturing cost.

[0004] Therefore, it is necessary to design a high-efficiency heat exchange plate and plate heat exchanger with curved corrugations to solve the above-mentioned technical problems. Utility Model Content

[0005] To address the shortcomings of the aforementioned technologies, this invention provides a high-efficiency heat exchange plate and plate heat exchanger with curved corrugations.

[0006] To solve the above technical problems, the technical solution adopted by this utility model is: a high-efficiency heat exchange plate with curved corrugations, including a plate body, the plate body including a heat exchange zone and a flow distribution zone symmetrically distributed at both ends of the heat exchange zone, an acceleration zone is formed between the heat exchange zone and the flow distribution zone, and an Ω-shaped suspension groove is formed on the side of the flow distribution zone away from the heat exchange zone.

[0007] Multiple sets of support beans are distributed in the diversion zone, and each set of support beans is arranged in a triangle.

[0008] The surface of the heat exchange zone is evenly covered with curved corrugations. The flow channels formed by the curved corrugations are two parallel V-shaped structures, and multiple sets of reinforcing ribs are evenly distributed on the curved corrugations.

[0009] The acceleration zone includes several V-shaped corrugations arranged at equal intervals with their openings facing the same direction. These V-shaped corrugations are distributed along the width of the plate body.

[0010] Preferably, the opening of the hanging groove faces outward, and its center is located on the center line of the heat transfer plate.

[0011] Preferably, the diversion zone is triangular, and each set of support beans includes three support beans located at the endpoints of the diversion zone.

[0012] Preferably, each V-shaped flow channel has V-shaped flow channels at both ends with the opposite direction of its opening. The V-shaped flow channels are composed of curved corrugations with a depth of 2.9mm-3.1mm.

[0013] Preferably, each set of reinforcing ribs includes two reinforcing ribs spaced apart and arranged in a figure-eight pattern, and the reinforcing ribs on the V-shaped flow channel are in the opposite direction to the reinforcing ribs on the V-shaped flow channel.

[0014] Preferably, the V-shaped corrugated openings in the acceleration zones on both sides of the heat exchange zone face the same direction.

[0015] A plate heat exchanger comprising the heat transfer plates as described above.

[0016] Preferably, two heat transfer plates are welded together to form a group, and a medium channel is formed between the two curved corrugations.

[0017] This invention proposes a high-efficiency heat exchange plate and plate heat exchanger with curved corrugations. By setting the heat exchange zone as curved corrugations, the contact area of ​​the flow channel is increased while the turbulence effect is enhanced, thereby improving the heat exchange efficiency. At the same time, it has pressure resistance and avoids the problem of increased manufacturing cost caused by increasing the heat exchange area of ​​the selected plate type under the same design conditions. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0019] Figure 2 This is a schematic cross-sectional view of the support structure for the bean in the diversion zone.

[0020] Figure 3 This is a schematic diagram of the cross-sectional structure of the curved corrugations in the heat exchange zone.

[0021] Figure 4 for Figure 1 A schematic diagram of the end structure.

[0022] In the diagram: 1. Suspension groove; 2. Diversion zone; 3. Heat exchange zone; 4. Acceleration zone; 5. Reinforcing rib; 21. Support bead; 31. Curved corrugation; 41. V-shaped corrugation. Detailed Implementation

[0023] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

[0024] like Figure 1 , Figure 4The high-efficiency heat exchange plate with curved corrugations shown includes a plate body, which includes a heat exchange zone 3 and a flow distribution zone 2 symmetrically distributed at both ends of the heat exchange zone. An acceleration zone 4 is formed between the heat exchange zone 3 and the flow distribution zone 2. Ω-shaped suspension grooves 1 are formed on the side of the flow distribution zone 2 away from the heat exchange zone.

[0025] The opening of the suspension groove 1 faces outward, and its center is located on the center line of the heat transfer plate. By changing the existing U-shaped suspension to a semi-elliptical suspension groove, it is easier to suspend the plate on H-beams or stainless steel strips, thereby effectively preventing plate deformation during suspension.

[0026] like Figure 2 As shown, multiple sets of support beads 21 are distributed on the diversion zone 2, with each set of support beads 21 arranged in a triangle; the diversion zone 2 is triangular, and each set of support beads 21 includes three support beads located at the endpoints of the diversion zone. By adding support beads in the triangular diversion zone, a high support surface is provided, thereby playing an auxiliary support role for the plate and effectively increasing the pressure resistance of the seal.

[0027] As a preferred embodiment, the surface of the heat exchange zone 3 is evenly distributed with curved corrugations 31, the flow channels formed by the curved corrugations are two parallel V-shaped structures, and multiple sets of reinforcing ribs 5 are evenly distributed on the curved corrugations.

[0028] By modifying the existing conventional straight corrugations into curved corrugations, the flow channel contact area is increased while the turbulence effect is enhanced, thereby improving heat transfer efficiency. The curved corrugations increase the intensity of the waves, balancing heat transfer efficiency and resistance, and especially in high-pressure environments, they can prevent leaks from protruding parts.

[0029] Furthermore, the depth of the corrugated pattern is 2.9mm-3.1mm. The existing plate has a corrugation depth of 3.4mm, resulting in low heat exchange efficiency. This design changes the corrugation depth to 3.0mm, effectively improving heat exchange efficiency. Figure 3 As shown.

[0030] Corrugated angles include both large and small angles. Large-angle corrugations result in high fluid resistance and high heat exchange efficiency, while small-angle corrugations result in low fluid resistance and low heat exchange efficiency. Therefore, by using a combination of large and small angles in the corrugated curves, high heat exchange efficiency can be ensured while controlling resistance. For example... Figure 3 The wavy curve shown has an included angle of 126°, which is a large-angle wavy curve.

[0031] Preferably, the acceleration zone 4 includes several V-shaped corrugations 41 arranged at equal intervals with their openings facing the same direction, and these V-shaped corrugations are distributed along the width direction of the plate body. By adding semi-elliptical V-shaped corrugations between the flow distribution zone and the heat exchange zone, the rapid flow of fluid can be effectively increased;

[0032] Each V-shaped flow channel has V-shaped flow channels at both ends, with the opening direction opposite to the V-shaped flow channel. The V-shaped flow channels are composed of curved corrugations. The V-shaped corrugations in the acceleration zones on both sides of heat exchange zone 3 have the same opening direction.

[0033] Each set of reinforcing ribs 5 includes two spaced-apart ribs arranged in a figure-eight pattern. The reinforcing ribs on the V-shaped flow channel are oriented in the opposite direction to those on the V-shaped flow channel. By adding semi-corrugated reinforcing ribs to the curved corrugations, stress release is increased during the sheet pressing process, effectively preventing deformation of the sheet after forming and enhancing structural stability.

[0034] A plate heat exchanger includes heat transfer plates as described above. Two heat transfer plates are welded together opposite each other, and a medium channel is formed between the two curved corrugations.

[0035] The purpose of this invention is to provide a high-efficiency heat exchange plate and plate heat exchanger with curved corrugations. By setting the curved corrugations, the flow time between the plates is effectively extended when there are temperature changes, thus effectively improving the heat exchange efficiency. It can be widely used in chemical, power and other fields, and is especially suitable for scenarios that require high-efficiency heat exchange.

[0036] The above embodiments are not intended to limit the present utility model, nor is the present utility model limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the technical solution of the present utility model are also within the protection scope of the present utility model.

Claims

1. A high efficiency heat transfer plate with curved corrugations, comprising a plate body, characterized in that: The plate body includes a heat exchange zone (3) and a flow distribution zone (2) symmetrically distributed at both ends of the heat exchange zone. An acceleration zone (4) is formed between the heat exchange zone (3) and the flow distribution zone (2). An Ω-shaped hanging groove (1) is formed on the side of the flow distribution zone (2) away from the heat exchange zone. Multiple sets of support beans (21) are distributed on the diversion area (2), and each set of support beans (21) is arranged in a triangle. The surface of the heat exchange zone (3) is uniformly covered with curved corrugations. The flow channels formed by the curved corrugations are two parallel V-shaped structures. Multiple sets of reinforcing ribs (5) are evenly distributed on the curved corrugations. The acceleration zone (4) includes several V-shaped corrugations arranged at equal intervals with the same opening orientation, and the several V-shaped corrugations are distributed along the width direction of the plate body.

2. The high-efficiency heat exchange plate with curved corrugations according to claim 1, characterized in that: The opening of the suspension groove (1) faces outward, and its center is located on the center line of the heat transfer plate.

3. The high efficiency heat transfer plate with curved corrugations of claim 1, characterized in that: The diversion zone (2) is triangular, and each set of support beans (21) includes three support beans located at the endpoints of the diversion zone.

4. The high efficiency heat transfer plate with curved corrugations of claim 1, characterized in that: Each V-shaped flow channel has V-shaped flow channels at both ends, with the direction of the opening opposite to that of the opening. The V-shaped flow channels are composed of curved corrugations with a depth of 2.9mm-3.1mm.

5. The high efficiency heat transfer plate with curved corrugations defined in claim 1, characterized in that: Each set of reinforcing ribs (5) includes two spaced reinforcing ribs arranged in a figure-eight pattern, with the reinforcing ribs on the V-shaped flow channel having the opposite direction to those on the V-shaped flow channel.

6. The high efficiency heat transfer plate with curved corrugations defined in claim 1, characterized in that: The V-shaped corrugated openings in the acceleration zones on both sides of the heat exchange zone (3) face the same direction.

7. A plate heat exchanger, characterized by Includes the heat transfer plate as described in any one of claims 1-6.

8. The plate heat exchanger according to claim 7, characterized in that: Two heat transfer plates are welded together to form a group, and a medium channel is formed between the two curved corrugations.

Images