Composite rubber pad for plate heat exchanger

By designing composite rubber pads in plate heat exchangers, using heating plates, embedded grooves, tanks, and springs to solve the problem of reducing elasticity due to thermal expansion and contraction, and achieve better sealing performance And thermal insulation effect.

CN222393427UActive Publication Date: 2025-01-24JIANGSU ENHAN NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202323648353.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2023-12-29
Publication Date
2025-01-24
Estimated Expiration
2033-12-29

AI Technical Summary

Technical Problem

The existing rubber pads reduce elasticity due to thermal expansion and contraction in plate heat exchangers, affecting the sealing effect.

Method used

A composite rubber pad is designed, including a heating plate, an embedded groove, a fixed column, a through groove, a spring, a first rack, a second rack and ventilation holes. Through these structures, heat dissipation and automatic compensation of the rubber pad are achieved. .

Benefits of technology

It effectively improves the sealing performance and heat insulation effect of the rubber gasket, reduces the impact of thermal expansion and cold contraction on the seal, and simplifies the installation and removal process of the rubber gasket.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222393427U_ABST
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Abstract

The utility model discloses a composite rubber pad for a plate heat exchanger, which relates to the field of rubber pads and comprises a heating plate and a rubber pad body, the top end of the heating plate is provided with an embedded groove, four corners inside the embedded groove are connected with fixing columns, the rubber pad body is clamped inside the embedded groove, and the fixing columns are connected with the rubber pad body. In actual operation, the second rack at the bottom end of the rubber pad body can improve the anti-skid effect of the bottom end of the embedded groove, meanwhile, heat generated by the heating plate can enter the through groove through the air holes of the second rack, the heat can be dispersed, the heat dissipation effect is improved, and the service life of the rubber pad is prolonged. Meanwhile, a plurality of springs are arranged in the through grooves, the springs can support and rebound the rubber pad body, a certain space can be provided for thermal expansion and cold contraction of the rubber pad body through the through grooves, and automatic compensation can be carried out when deformation of the rubber pad body generates differences.
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Description

Technical Field

[0001] The utility model relates to the field of rubber pads, in particular to a composite rubber pad used for a plate heat exchanger. Background Art

[0002] At present, in the use of plate heat exchangers, in order to improve the sealing effect, a circle of rubber pads is set inside the exchanger. The rubber pad is a common sealing component, mainly used for waterproofing, dustproofing and sealing.

[0003] The rubber pad in the prior art will expand and contract due to the heat of the heat exchanger, and the elasticity of the rubber pad will be reduced after long-term use.

[0004] Therefore, it is necessary to propose a composite rubber pad for a plate heat exchanger to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a composite rubber pad for a plate heat exchanger. The rubber pad in the prior art will expand and contract under the influence of the heat of the heat exchanger. The elasticity of the rubber pad will be reduced after long-term use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a composite rubber pad for a plate heat exchanger, comprising a heating plate and a rubber pad body, an embedded groove starting from the top of the heating plate, the four corners of the embedded groove are connected to fixed columns, the rubber pad body is engaged with the inside of the embedded groove, a through groove is opened on one side of the long side direction of the rubber pad body, the through groove runs through the other side of the rubber pad body, a plurality of springs are fixed between the top and bottom ends of the through groove, a plurality of first racks and a second rack are fixed on the top and bottom ends of the rubber pad body, the plurality of first racks and the second rack are continuously distributed along the length direction of the rubber pad body, the plurality of first racks and the second rack are opened with air holes, the plurality of air holes are connected to the through groove, and the bottom end of the second rack is attached to the embedded groove.

[0007] Preferably, fixing holes are provided at four corners of the top end of the rubber pad body, and the fixing holes penetrate the bottom end of the rubber pad body. Triangular blocks are fixed on the inner walls of the four fixing holes, and the tips of the triangular blocks face downward.

[0008] Preferably, a groove is provided on one side of the short side direction of the top end of the rubber pad body, a V-shaped piece is provided at the top end of the groove, and one side of the V-shaped piece is fixed on the groove.

[0009] Preferably, the four fixing holes are respectively sleeved on the corresponding fixing columns.

[0010] Preferably, the plurality of first racks and the second racks are arranged in a right-angled triangle shape, and the right-angled sides are fitted on the rubber pad body.

[0011] Preferably, the V-shaped sheet is elastic.

[0012] Preferably, the outer layer of the rubber pad body is coated with heat-insulating paint.

[0013] Technical effects and advantages of the utility model:

[0014] 1. In the actual operation of the utility model, the second rack at the bottom end of the rubber pad body can improve the anti-slip effect of the bottom end of the embedded groove. When the heat generated by the heating plate can enter the interior of the through groove through the air holes of the second rack, the heat can be dispersed to avoid heat accumulation. At the same time, a plurality of springs are arranged in the through groove. The springs can support and rebound the rubber pad body, and the opening of the through groove can provide a certain space for the thermal expansion and contraction of the rubber pad body. When there is a difference in the deformation of the rubber pad body, automatic compensation can be performed.

[0015] 2. Personnel can pull one side of the V-shaped piece to remove the rubber pad body from the embedded groove. At the same time, the V-shaped piece is elastic and can be pressed down into the inside of the groove during installation.

[0016] 3. In the actual operation of the present invention, when the fixing hole is sleeved on the fixing column, the triangular block can engage the contact surface between the fixing hole and the fixing column to enhance the firmness of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 The utility model is a schematic structural diagram of a composite rubber pad used for a plate heat exchanger.

[0018] Figure 2 It is a structural schematic diagram of the spring of the utility model.

[0019] Figure 3 For this utility model Figure 1 Enlarged schematic diagram at point A in the middle.

[0020] In the figure: 1. heating plate; 2. embedded groove; 3. fixing column; 4. rubber pad body; 5. fixing hole; 6. groove; 7. V-shaped piece; 8. first rack; 9. air vent; 10. second rack; 11. spring; 12. through groove; 13. triangular block. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clarify the technical solutions in the embodiments of the utility model; it is completely described. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-Figure 3 The composite rubber pad for a plate heat exchanger shown in the figure comprises a heating plate 1 and a rubber pad body 4, wherein an embedded groove 2 is provided at the top of the heating plate 1, and fixing columns 3 are connected to the four corners of the embedded groove 2, and the rubber pad body 4 is engaged with the inside of the embedded groove 2, and a through groove 12 is provided on one side of the long side of the rubber pad body 4, and the through groove 12 runs through the other side of the rubber pad body 4, and a plurality of springs 11 are fixed between the top and bottom ends of the through groove 12, and a plurality of first racks 8 and second racks 10 are fixed to the top and bottom ends of the rubber pad body 4 ... A rack 8 and a second rack 10 are continuously distributed along the length direction of the rubber pad body 4. Multiple first racks 8 and second racks 10 are provided with air holes 9, and multiple air holes 9 are connected with the through groove 12. The bottom end of the second rack 10 is attached to the embedded groove 2. The four corners of the top of the rubber pad body 4 are provided with fixing holes 5. The fixing holes 5 pass through the bottom end of the rubber pad body 4. The four fixing holes 5 are respectively sleeved on the corresponding fixing columns 3. Multiple first racks 8 and second racks 10 are arranged in a right-angled triangle shape, and the right-angle sides are attached to the rubber pad body 4.

[0023] The rubber pad body 4 is made of a combination of various materials, and different materials can be selected according to different use conditions, thereby effectively improving the sealing performance. For example, materials such as chloroprene rubber, butyl rubber and magnesium oxide are mixed, and the outer layer of the rubber pad body 4 is coated with a heat-insulating coating, which further improves the heat-insulating effect of the rubber pad body 4.

[0024] In the actual operation of the utility model, the rubber pad body 4 is sleeved on the fixing column 3 of the embedded groove 2 through the fixing hole 5, so that the rubber pad body 4 can be limited to avoid movement. At the same time, the second rack 10 at the bottom end of the rubber pad body 4 can improve the anti-slip effect of the bottom end of the embedded groove 2. When the heat generated by the heating plate 1 can enter the interior of the through groove 12 through the air hole 9 of the second rack 10, the heat can be dispersed to avoid heat accumulation. At the same time, a plurality of springs 11 are arranged in the through groove 12. The spring 11 can support and rebound the rubber pad body 4, and the opening of the through groove 12 can provide a certain space for the thermal expansion and contraction of the rubber pad body 4, and automatic compensation can be performed when there is a difference in the deformation of the rubber pad body 4.

[0025] A triangular block 13 is fixed on the inner wall of each of the four fixing holes 5, and the tip of the triangular block 13 faces downward. In the actual operation of the utility model, when the fixing hole 5 is sleeved on the fixing column 3, the triangular block 13 can engage the contact surface of the fixing hole 5 and the fixing column 3 to enhance the firmness of the structure.

[0026] A groove 6 is provided on one side of the short side direction of the top of the rubber pad body 4, and a V-shaped piece 7 is provided on the top of the groove 6. One side of the V-shaped piece 7 is fixed on the groove 6. The V-shaped piece 7 is elastic. When the rubber pad body 4 needs to be removed, the personnel can pull one side of the V-shaped piece 7 to separate the rubber pad body 4 from the embedded groove 2. At the same time, the V-shaped piece 7 is elastic, so the V-shaped piece 7 can be pressed down into the inside of the groove 6 during installation.

[0027] Working principle: The rubber pad body 4 is made of a combination of various materials, and different materials can be selected according to different use conditions, so as to effectively improve the sealing performance. For example, materials such as chloroprene rubber, butyl rubber and magnesium oxide are mixed, and the outer layer of the rubber pad body 4 is coated with heat-insulating paint. The heat-insulating effect of the rubber pad body 4 is further improved.

[0028] In the actual operation of the utility model, the rubber pad body 4 is sleeved on the fixing column 3 of the embedded groove 2 through the fixing hole 5, so that the rubber pad body 4 can be limited to avoid movement. At the same time, the second rack 10 at the bottom end of the rubber pad body 4 can improve the anti-slip effect of the bottom end of the embedded groove 2. When the heat generated by the heating plate 1 can enter the interior of the through groove 12 through the air hole 9 of the second rack 10, the heat can be dispersed to avoid heat accumulation. At the same time, a plurality of springs 11 are arranged in the through groove 12. The spring 11 can support and rebound the rubber pad body 4, and the opening of the through groove 12 can provide a certain space for the thermal expansion and contraction of the rubber pad body 4, and automatic compensation can be performed when there is a difference in the deformation of the rubber pad body 4. A groove 6 is provided on one side of the short side direction of the top of the rubber pad body 4, and a V-shaped piece 7 is provided on the top of the groove 6. One side of the V-shaped piece 7 is fixed on the groove 6. The V-shaped piece 7 is elastic. When the rubber pad body 4 needs to be removed, the personnel can pull one side of the V-shaped piece 7 to separate the rubber pad body 4 from the embedded groove 2. At the same time, the V-shaped piece 7 is elastic, so the V-shaped piece 7 can be pressed down into the inside of the groove 6 during installation.

Claims

1. A composite rubber pad for a plate heat exchanger, comprising a heating plate (1) and a rubber pad body (4), characterized in that: An embedded groove (2) is provided at the top of the heating plate (1), and the four corners of the embedded groove (2) are connected to fixed columns (3). The rubber pad body (4) is engaged with the inside of the embedded groove (2). A through groove (12) is provided on one side of the long side of the rubber pad body (4), and the through groove (12) runs through the other side of the rubber pad body (4). A plurality of springs (11) are fixed between the top and bottom ends of the through groove (12). A plurality of first racks (8) and second racks (10) are fixed at the top and bottom ends of the rubber pad body (4), and the plurality of first racks (8) and second racks (10) are continuously distributed along the length direction of the rubber pad body (4). A plurality of first racks (8) and second racks (10) are provided with air holes (9), and the plurality of air holes (9) are connected to the through groove (12), and the bottom end of the second rack (10) is attached to the embedded groove (2).

2. The composite rubber pad for a plate heat exchanger according to claim 1, characterized in that: The four corners of the top of the rubber pad body (4) are each provided with a fixing hole (5), the fixing hole (5) passes through the bottom of the rubber pad body (4), and a triangular block (13) is fixed on the inner wall of each of the four fixing holes (5), with the tip of the triangular block (13) facing downward.

3. The composite rubber pad for a plate heat exchanger according to claim 1, characterized in that: A groove (6) is provided on one side of the short side direction of the top end of the rubber pad body (4), a V-shaped piece (7) is provided at the top end of the groove (6), and one side of the V-shaped piece (7) is fixed on the groove (6).

4. The composite rubber pad for a plate heat exchanger according to claim 3, characterized in that: The four fixing holes (5) are respectively sleeved on the corresponding fixing columns (3).

5. The composite rubber pad for a plate heat exchanger according to claim 1, characterized in that: The plurality of first racks (8) and second racks (10) are arranged in a right-angled triangle shape, and the right-angled sides are fitted on the rubber pad body (4).

6. The composite rubber pad for a plate heat exchanger according to claim 3, characterized in that: The V-shaped piece (7) is elastic.

7. The composite rubber pad for a plate heat exchanger according to claim 1, characterized in that: The outer layer of the rubber pad body (4) is coated with heat-insulating paint.