Self-distribution type plate heat exchanger plate and heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, and discloses a self-distribution type plate heat exchanger sheet and a heat exchanger, the self-distribution type plate heat exchanger sheet comprises a bottom plate, the upper surface of the bottom plate is provided with sheet bodies arranged at equal intervals, a rubber mat is arranged between every two adjacent sheet bodies, and a flow deflector is arranged between every two adjacent sheet bodies; and flow guide holes which are arranged at equal intervals are formed in each flow guide piece, and fan-shaped grooves which are arranged at equal intervals are formed in each flow guide piece. According to the self-distribution type plate heat exchanger plate and the heat exchanger, media are uniformly distributed under the action of a small hole jet principle by arranging the flow guide holes which are arranged at equal intervals, the fluid guide and distribution effects are enhanced by arranging the fan-shaped grooves which are arranged at equal intervals, and uniform distribution and efficient heat transfer of the media are realized; the application range of the plate heat exchanger is expanded, and the problems that a traditional plate heat exchanger is uneven in medium distribution, low in heat transfer efficiency and small in application range are solved.

Description

Technical Field

[0001] The present application relates to the technical field of heat exchangers, and particularly to a self-distributing plate heat exchanger plate and a heat exchanger. Background Art

[0002] As an efficient and compact heat exchange device, plate heat exchangers are widely used in various industrial fields. However, traditional plate heat exchangers still need to be improved in terms of medium distribution and heat transfer efficiency. Traditional plate heat exchangers usually distribute the medium through a flow guiding area, but this method has an unsatisfactory distribution effect when the medium flow rate is small or phase change heat transfer is required, affecting the heat transfer efficiency.

[0003] There is an uneven problem in the medium distribution of traditional plate heat exchangers, especially under small flow rate or phase change heat transfer conditions, which directly affects the heat transfer efficiency and the applicable range of the heat exchanger. Summary of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the present application provides a self-distributing plate heat exchanger plate and a heat exchanger, which have the advantages of being able to promote uniform distribution of the medium and efficient heat transfer, expanding the applicable range of the plate heat exchanger, etc., and solving the problems of uneven medium distribution, low heat transfer efficiency, and small applicable range of the traditional plate heat exchanger.

[0005] To achieve the above object, the present application provides the following technical solution: A self-distributing plate heat exchanger plate includes a bottom plate, on the upper surface of which there are equally spaced plates arranged. There is a gasket between every two adjacent plates, and there is a flow guiding piece between every two adjacent plates. Each flow guiding piece has equally spaced flow guiding holes opened inside it, and each flow guiding piece has equally spaced fan-shaped grooves opened inside it. The upper surface of the bottom plate is fixedly connected with a back plate, and the upper surface of the bottom plate is slidably connected with a positioning plate.

[0006] Through the above solution, due to the uneven problem of the traditional plate heat exchanger in medium distribution, the heat transfer efficiency is improved, and the applicable range of the heat exchanger is expanded. By setting equally spaced flow guiding holes, the medium is evenly distributed under the action of the small hole jet principle. By setting equally spaced fan-shaped grooves, the fluid guiding and distribution effect is enhanced, realizing the uniform distribution of the medium and efficient heat transfer, and expanding the applicable range of the plate heat exchanger.

[0007] Further, the overall shape of the flow guiding holes is a fan-shaped structure. The fan-shaped grooves are respectively located at the ends of the flow guiding holes, and the fan-shaped grooves are respectively communicated with the flow guiding holes.

[0008] Through the above solution, the diversion holes can promote the uniform distribution of the medium under the action of the small-hole injection principle, and the fan-shaped grooves can enhance the fluid guiding and distribution effects, achieving the uniform distribution of the medium and efficient heat transfer.

[0009] Furthermore, an auxiliary plate is fixedly connected to the upper surface of the bottom plate, each plate is slidably connected to the outer surface of the auxiliary plate through a groove formed in the bottom surface, and the positioning plate is slidably connected to the outer surface of the auxiliary plate through a groove formed in the bottom surface.

[0010] Through the above solution, the auxiliary plate can assist in the installation of the plates and the positioning plate, and promote the plates and the positioning plate to be centered.

[0011] Furthermore, a mounting rod is fixedly inserted into the back plate, the interior of each plate is slidably connected to the outer circumferential surface of the mounting rod, and the interior of the positioning plate is slidably connected to the outer circumferential surface of the mounting rod.

[0012] Through the above solution, the mounting rod can restrict the plates, increase the stability of the plates, and also increase the stability of the positioning plate.

[0013] Furthermore, a first nut is threadedly connected to the outer circumferential surface of the mounting rod, and the back surface of the first nut contacts the front surface of the positioning plate.

[0014] Through the above solution, the first nut can restrict the positioning plate, position the positioning plate, and promote the positioning plate to clamp the plates.

[0015] Furthermore, six equally spaced positioning rods are fixedly connected to the front surface of the back plate, the interior of the positioning plate is slidably connected to the outer circumferential surface of the positioning rods, and a second nut is threadedly connected to the outer circumferential surface of each positioning rod.

[0016] Through the above solution, the positioning rods and the second nuts can uniformly fix the positioning plate, and promote the positioning plate to uniformly press the plates.

[0017] Furthermore, two reinforcing plates are fixedly connected to the back surface of the back plate, and the bottom surface of each reinforcing plate is fixedly connected to the upper surface of the bottom plate.

[0018] Through the above solution, the reinforcing plates can support and reinforce the back plate, increase the stability of the back plate, and further improve the overall stability of the heat exchanger.

[0019] Furthermore, an anti-rust coating is applied to the outer surface of the bottom plate, an anti-rust coating is applied to the outer surface of the back plate, and an anti-rust coating is applied to the outer surface of the positioning plate.

[0020] Through the above solution, the bottom plate, the back plate, and the positioning plate are protected to prevent the bottom plate, the back plate, and the positioning plate from being easily rusted.

[0021] A heat exchanger includes a heat exchanger body and the self-distributing plate heat exchanger plates described in any one of the above.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] Through the arrangement of equally spaced diversion holes, the self-distributing plate heat exchanger plates and the heat exchanger enable the medium to be evenly distributed under the action of the small hole injection principle. By arranging equally spaced fan-shaped grooves, the fluid guiding and distributing effects are enhanced, realizing the uniform distribution and efficient heat transfer of the medium, expanding the application range of the plate heat exchanger, and solving the problems of uneven medium distribution, low heat transfer efficiency, and small application range of traditional plate heat exchangers. Description of the Drawings

[0024] Figure 1 It is the overall three-dimensional structure diagram of this application;

[0025] Figure 2 It is the back plate structure diagram of this application;

[0026] Figure 3 It is the plate structure diagram of this application;

[0027] Figure 4 It is the guide vane structure diagram of this application.

[0028] In the figure:

[0029] 1, bottom plate; 2, plate; 3, rubber pad; 4, guide vane; 5, diversion hole; 6, fan-shaped groove; 7, back plate; 8, positioning plate; 9, auxiliary plate; 10, mounting rod; 11, first nut; 12, positioning rod; 13, second nut; 14, reinforcement plate. Detailed Embodiments

[0030] Next, the technical solutions in the embodiments of this application will be clearly and completely described in conjunction with the drawings in the embodiments of this application. Obviously, the described embodiments are only a part of the embodiments of this application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of this application.

[0031] Please refer to Figure 1 , Figure 3 and Figure 4, A plate of a self-distributing plate heat exchanger in this embodiment includes a bottom plate 1. On the upper surface of the bottom plate 1, plates 2 are arranged at equal intervals. A rubber gasket 3 is provided between every two adjacent plates 2, and a flow guide piece 4 is provided between every two adjacent plates 2. Equally spaced flow guide holes 5 are formed inside each flow guide piece 4, and equally spaced fan-shaped grooves 6 are formed inside each flow guide piece 4. A back plate 7 is fixedly connected to the upper surface of the bottom plate 1, and a positioning plate 8 is slidably connected to the upper surface of the bottom plate 1.

[0032] Please refer to Figure 3 and Figure 4 , The overall shape of the flow guide holes 5 is a fan-shaped structure. The fan-shaped grooves 6 are respectively located at the ends of the flow guide holes 5, and the fan-shaped grooves 6 are respectively communicated with the flow guide holes 5. The flow guide holes 5 can promote the uniform distribution of the medium under the action of the small hole jet principle. The fan-shaped grooves 6 can enhance the fluid guiding and distribution effects, realizing the uniform distribution and efficient heat transfer of the medium.

[0033] Please refer to Figure 1 , An auxiliary plate 9 is fixedly connected to the upper surface of the bottom plate 1. Each plate 2 is slidably connected to the outer surface of the auxiliary plate 9 through a groove formed in the bottom surface, and the positioning plate 8 is slidably connected to the outer surface of the auxiliary plate 9 through a groove formed in the bottom surface. The auxiliary plate 9 can assist in the installation of the plates 2 and the positioning plate 8, and make the plates 2 and the positioning plate 8 centered.

[0034] Please refer to Figure 1 and Figure 2 , An installation rod 10 is fixedly inserted into the back plate 7. The inner part of each plate 2 is slidably connected to the outer circumferential surface of the installation rod 10, and the inner part of the positioning plate 8 is slidably connected to the outer circumferential surface of the installation rod 10. The installation rod 10 can restrict the plates 2, increase the stability of the plates 2, and at the same time increase the stability of the positioning plate 8.

[0035] Please refer to Figure 1 , A first nut 11 is threadedly connected to the outer circumferential surface of the installation rod 10. The back surface of the first nut 11 is in contact with the front surface of the positioning plate 8. The first nut 11 can restrict the positioning plate 8 and position the positioning plate 8, so that the positioning plate 8 clamps the plates 2.

[0036] Please refer to Figure 1 and Figure 2 , Six equally spaced positioning rods 12 are fixedly connected to the front surface of the back plate 7. The inner part of the positioning plate 8 is slidably connected to the outer circumferential surface of the positioning rods 12. A second nut 13 is threadedly connected to the outer circumferential surface of each positioning rod 12. The positioning rods 12 and the second nuts 13 can uniformly fix the positioning plate 8, so that the positioning plate 8 uniformly presses the plates 2.

[0037] Please refer to Figure 1 and Figure 2, two reinforcing plates 14 are fixedly connected to the back surface of the back plate 7, and the bottom surface of each reinforcing plate 14 is fixedly connected to the upper surface of the bottom plate 1. The reinforcing plate 14 can support and reinforce the back plate 7, increase the stability of the back plate 7, and thus improve the overall stability of the heat exchanger.

[0038] Please refer to Figure 1 and Figure 2 , an anti-rust coating is applied to the outer surface of the bottom plate 1, an anti-rust coating is applied to the outer surface of the back plate 7, and an anti-rust coating is applied to the outer surface of the positioning plate 8 to protect the bottom plate 1, the back plate 7 and the positioning plate 8 from being easily rusted.

[0039] A heat exchanger includes a heat exchanger body and the self-distributing plate heat exchanger plates of any one of the above.

[0040] In this embodiment, a self-distributing plate heat exchanger plate and a heat exchanger, by providing equally spaced diversion holes 5, promote the uniform distribution of the medium under the action of the small hole injection principle. By providing equally spaced fan-shaped grooves 6, the fluid guiding and distribution effects are enhanced, realizing the uniform distribution and efficient heat transfer of the medium, expanding the application range of the plate heat exchanger, and solving the problems of uneven medium distribution, low heat transfer efficiency, and small application range of the traditional plate heat exchanger.

[0041] It should be noted that the positioning rods 12 are symmetrically distributed on both sides of the back plate 7.

[0042] The working principle of the above embodiment is as follows:

[0043] During the flow of the hot and cold media, they will pass through the diversion holes 5 on the diversion sheet 4. Using the principle of small hole injection, the medium is effectively distributed. The fan-shaped grooves 6 will forcibly guide the medium passing through the diversion holes 5, thereby further ensuring the uniformity of the medium distribution, improving the heat transfer efficiency of the medium. The number, position, and size of the diversion holes 5 and the fan-shaped grooves 6 can be flexibly replaced and adjusted according to actual needs to adapt to various different medium flow rates and heat exchange requirements, ensuring that the medium can be effectively guided and evenly distributed, thereby improving the flexibility and efficiency of heat exchange, expanding the application range of the plate heat exchanger. The fan-shaped grooves 6 can significantly reduce the resistance of the fluid, thereby further enhancing the heat transfer efficiency.

[0044] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the said element.

[0045] Although the embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A self-distributing plate heat exchanger plate, comprising a bottom plate (1), characterized in that: The upper surface of the bottom plate (1) is provided with plates (2) arranged at equal intervals, a rubber pad (3) is provided between every two adjacent plates (2), a guide plate (4) is provided between every two adjacent plates (2), each guide plate (4) is provided with guide holes (5) arranged at equal intervals, each guide plate (4) is provided with fan-shaped grooves (6) arranged at equal intervals, the upper surface of the bottom plate (1) is fixedly connected to a back plate (7), and the upper surface of the bottom plate (1) is slidably connected to a positioning plate (8).

2. A self-distributing plate heat exchanger plate according to claim 1, characterized in that: The guide hole (5) is of a fan-shaped structure as a whole, and the fan-shaped grooves (6) are respectively located at the ends of the guide holes (5), and the fan-shaped grooves (6) are respectively connected to the guide holes (5).

3. The self-distributing plate heat exchanger plate according to claim 1, characterized in that: The upper surface of the bottom plate (1) is fixedly connected to an auxiliary plate (9), each of the plate pieces (2) is slidably connected to the outer surface of the auxiliary plate (9) via a groove provided on the bottom surface, and the positioning plate (8) is slidably connected to the outer surface of the auxiliary plate (9) via a groove provided on the bottom surface.

4. The self-distributing plate heat exchanger plate according to claim 1, characterized in that: The interior of the back plate (7) is fixedly plugged with a mounting rod (10), the interior of each plate (2) is slidably connected to the outer circumferential surface of the mounting rod (10), and the interior of the positioning plate (8) is slidably connected to the outer circumferential surface of the mounting rod (10).

5. A self-distributing plate heat exchanger plate according to claim 4, characterized in that: The outer circumferential surface of the mounting rod (10) is threadedly connected with a first nut (11), and the back surface of the first nut (11) is in contact with the front surface of the positioning plate (8).

6. The self-distributing plate heat exchanger plate according to claim 1, characterized in that: The front surface of the back plate (7) is fixedly connected to six equidistantly arranged positioning rods (12), the interior of the positioning plate (8) is slidably connected to the outer circumferential surface of the positioning rods (12), and the outer circumferential surface of each positioning rod (12) is threadedly connected to a second nut (13).

7. The self-distributing plate heat exchanger plate according to claim 1, characterized in that: Two reinforcement plates (14) are fixedly connected to the back surface of the back plate (7), and the bottom surface of each reinforcement plate (14) is fixedly connected to the upper surface of the bottom plate (1).

8. The self-distributing plate heat exchanger plate according to claim 1, characterized in that: The outer surface of the bottom plate (1) is coated with an anti-rust coating, the outer surface of the back plate (7) is coated with an anti-rust coating, and the outer surface of the positioning plate (8) is coated with an anti-rust coating.

9. A heat exchanger, characterized in that: The invention comprises a heat exchanger body and the self-distributing plate heat exchanger plates according to any one of claims 1 to 8.

Images