Novel heat exchanger of mobile hydrogen production and storage super charging station

Abstract

The utility model belongs to the technical field of heat exchange devices, and particularly relates to a novel heat exchanger of a mobile hydrogen production and storage super charging station, which comprises a shell and a connecting mechanism, a spiral flow channel unit is arranged in the shell, and the spiral flow channel unit comprises at least one spiral flow channel. The inner diameter of the spiral flow channel is gradually reduced and contracted from the medium inlet to the medium outlet; the front side wall and the rear side wall of the shell are provided with through openings allowing the two ends of the spiral flow channel unit to penetrate through correspondingly. The connecting mechanism is used for connecting every two adjacent spiral flow channel units. The inner diameter of the spiral flow channel is gradually reduced and contracted from the medium inlet to the medium outlet, so that fluid is continuously extruded and accelerated in the flowing process, the turbulence degree of the fluid is increased, the thickness of a boundary layer is reduced, and therefore the heat transfer coefficient is increased; and meanwhile, the heat exchange area of the heat exchanger can be effectively increased in a limited space through the arrangement of the spiral flow channels, and the space utilization rate is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchange device technical field, concretely is mobile hydrogen production hydrogen storage super charging station novel heat exchanger. BACKGROUND

[0002] In mobile hydrogen production hydrogen storage super charging station, heat exchanger is the key equipment for realizing heat exchange, guaranteeing hydrogen production hydrogen storage process efficient and stable operation, the flow channel design of traditional heat exchanger is mostly linear or simple bending, the inner diameter of flow channel is uniform, lacks the spiral flow channel structure of gradual change contraction, leading to the turbulent flow degree of fluid in the flowing process is insufficient, the boundary layer is relatively thick, and the heat transfer coefficient is low, especially when processing hydrogen, water, coolant and different medium, it is difficult to realize efficient heat exchange through flow channel structure optimization. On the other hand, the existing heat exchanger generally adopts integral structure, lacks detachable modular design, when primary heat exchange can not satisfy temperature control demand, it is difficult to realize secondary or multiple heat exchange through convenient structure expansion;And when equipment maintenance or upgrading, need to be disassembled integrally, and the operation is complex, the cost is higher, the heat exchange capacity demand under different working conditions cannot be flexibly adapted through quick replacement or module increase, therefore, mobile hydrogen production hydrogen storage super charging station novel heat exchanger needs to be researched and developed. SUMMARY

[0003] This section aims to outline some aspects of the embodiments of the present utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the utility model name to avoid obscuring the purpose of this section, the abstract of the specification and the utility model name. Such simplifications or omissions cannot be used to limit the scope of the utility model.

[0004] To solve the above technical problems, according to one aspect of the present utility model, the present utility model provides the following technical scheme:

[0005] The mobile hydrogen production hydrogen storage super charging station novel heat exchanger includes a shell and a connecting mechanism, the shell is internally provided with a spiral flow channel unit, the spiral flow channel unit includes at least one spiral flow channel, and the inner diameter of the spiral flow channel gradually decreases from the medium inlet to the medium outlet and forms a contraction;

[0006] The front and rear side walls of the shell are respectively opened to have through ports for the two ends of the spiral flow channel unit to penetrate;

[0007] The connecting mechanism is used for connecting two adjacent spiral flow channel units.

[0008] As a preferred scheme of the mobile hydrogen production hydrogen storage super charging station novel heat exchanger of the present utility model, wherein: the side wall of the shell is opened to have a ventilation port communicating with the inner cavity of the shell, a bracket is arranged on the side wall of the ventilation port, a cooling fan is installed on the bracket, and the wind power blown by the cooling fan is towards the spiral flow channel.

[0009] As a preferred scheme of the mobile hydrogen production and storage super charging station new heat exchanger, the connecting mechanism comprises a pump, and the pump comprises a water inlet pipeline for water inlet and a water outlet pipeline for water outlet.

[0010] As a preferred scheme of the mobile hydrogen production and storage super charging station new heat exchanger, the connecting mechanism comprises a pump, and the pump comprises a water inlet pipeline for water inlet and a water outlet pipeline for water outlet.

[0011] As a preferred scheme of the mobile hydrogen production and storage super charging station new heat exchanger, a valve is arranged on the water inlet pipeline, and the valve is one of a ball valve and a butterfly valve.

[0012] The beneficial effects of the present application are as follows: the inner diameter of the spiral flow channel gradually decreases from the medium inlet to the medium outlet and forms a contraction, so that the fluid is continuously extruded and accelerated during the flow process, the degree of turbulent flow of the fluid is increased, the boundary layer thickness is reduced, and the heat transfer coefficient is improved; meanwhile, the layout of the spiral flow channel can effectively increase the heat exchange area of the heat exchanger in a limited space, and improve the space utilization rate.

[0013] When the first heat exchange is insufficient to meet the demand, the medium after the first heat exchange can be transported by the pump, and the medium is subjected to second heat exchange; the flange is a detachable modular structure, which facilitates the installation, maintenance and replacement of the equipment; when it is necessary to expand the heat exchange capacity or upgrade the equipment, the heat exchange capacity can be expanded or the equipment can be upgraded, thereby improving the flexibility and adaptability of the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the present application will be described in detail below in combination with the drawings and detailed embodiments. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor. Among them:

[0015] Figure 1 is a structural schematic view of the present application;

[0016] Figure 2 is a structural schematic view of the present application Figure 1 is a structural schematic view of the present application

[0017] Figure 3 It is a structure schematic view of the spiral flow channel unit of the utility model;

[0018] Figure 4 It is a structure schematic view of the two spiral flow channel units after assembling and connecting of the utility model;

[0019] Figure 5 It is the utility model Figure 4 Structure schematic view of the side rear view direction.

[0020] In the figure: shell 100, spiral flow channel unit 101, spiral flow channel 102, ventilation opening 103, support 104, cooling fan 105, connecting mechanism 200, pump 201, water inlet pipeline 202, water outlet pipeline 203, valve 204. Specific implementation

[0021] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below with the help of the attached drawings.

[0022] In the following description, a lot of specific details are set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways different from the description herein, and those skilled in the art can make similar generalization without violating the connotation of the utility model, therefore the utility model is not limited by the specific implementation disclosed below.

[0023] Secondly, the utility model is described in detail in combination with the schematic view, when detailing the implementation of the utility model, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic view is only an example, which should not limit the scope of protection of the utility model here. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.

[0024] In order to make the purpose, technical scheme and advantages of the utility model more clear, the implementation of the utility model will be described in further detail below in combination with the attached drawings.

[0025] Please refer to Figures 1-5 , which shows the structure schematic view of the implementation of the new heat exchanger of the mobile hydrogen production and storage super charging station of the utility model, please refer to Figures 1-5 , the new heat exchanger of the mobile hydrogen production and storage super charging station is introduced in detail.

[0026] The application discloses a new heat exchanger for mobile hydrogen production and hydrogen storage super charging station, which comprises a shell 100 and a connecting mechanism 200, wherein the shell 100 is internally provided with a spiral flow channel unit, the spiral flow channel unit 101 comprises at least one spiral flow channel 102, and the inner diameter of the spiral flow channel 102 gradually decreases from a medium inlet to a medium outlet and forms a contraction; such a design can continuously extrude and accelerate the fluid in the flowing process, increase the turbulence degree of the fluid, reduce the boundary layer thickness, thereby improving the heat transfer coefficient, and meanwhile, the layout of the spiral flow channel 102 can effectively increase the heat exchange area of the heat exchanger in limited space and improve the space utilization.

[0027] The front and rear sidewalls of the shell 100 are respectively provided with through openings for the two ends of the spiral flow channel unit 101 to penetrate;

[0028] The connecting mechanism 200 is used for connecting two adjacent spiral flow channel units 101.

[0029] Further, the sidewall of the shell 100 is provided with a ventilation opening 103 communicating with the inner cavity of the shell 100, a support 104 is arranged on the sidewall of the ventilation opening 103, a heat dissipation fan 105 is mounted on the support 104, the air blown by the heat dissipation fan 105 is directed towards the spiral flow channel 102, and the temperature of the flowing medium in the spiral flow channel 102 can be reduced after the heat dissipation fan 105 is started;

[0030] Further, the connecting mechanism 200 comprises a pump 201, the pump 201 comprises a water inlet pipeline 202 for water inlet and a water outlet pipeline 203 for water outlet, the two ends of the spiral flow channel unit 101 are respectively provided with flanges, the ends of the water inlet pipeline 202 and the water outlet pipeline 203 are provided with flanges, the end of the water inlet pipeline 202 is connected with the medium outlet of one spiral flow channel unit 101 through the flange and bolts, the end of the water outlet pipeline 203 is connected with the medium inlet of another spiral flow channel unit 101 through the flange and bolts, a seal is arranged at the connecting position of the flange and the flange, a valve 204 is arranged on the water inlet pipeline 202, the valve 204 is one of a ball valve and a butterfly valve, when the first heat exchange is insufficient to meet the demand, the medium after the first heat exchange can be transported through the pump 201 to perform second heat exchange on the medium, the flange is a detachable and modular structure, which facilitates the installation, maintenance and replacement of the equipment, when it is necessary to expand the heat exchange capacity or to upgrade the equipment, the heat exchange capacity can be expanded or the equipment can be upgraded, thereby improving the flexibility and adaptability of the equipment.

[0031] Although the utility model has been described above with reference to the embodiments, various modifications can be made thereto, and equivalent replacements can be made to the components thereof, without departing from the scope of the utility model. In particular, as long as there is no structural conflict, each feature in the embodiments disclosed by the utility model can be combined with each other in any manner, and the combinations are not exhaustively described in the specification merely for the purpose of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A new heat exchanger for mobile hydrogen production and hydrogen storage super charging station, characterized in that: The utility model relates to a spiral flow channel unit and connecting mechanism, comprising a shell (100) and connecting mechanism (200), the shell (100) inside is provided with spiral flow channel unit, the spiral flow channel unit (101) includes at least one spiral flow channel (102), the inner diameter of spiral flow channel (102) gradually reduces from medium inlet to medium outlet and forms contraction; The front and back sidewalls of the shell (100) are respectively provided with through openings for the two ends of the spiral flow channel unit (101) to pass through; The connecting mechanism (200) is used to connect two adjacent spiral flow channel units (101).

2. The new heat exchanger of the mobile hydrogen production and hydrogen storage super charging station according to claim 1, characterized in that: The sidewall of the shell (100) is provided with a ventilation opening (103) communicating with the inner cavity of the shell (100), the sidewall of the ventilation opening (103) is provided with a bracket (104), the bracket (104) is provided with a cooling fan (105), and the wind power blown by the cooling fan (105) is directed towards the spiral flow channel (102).

3. The new heat exchanger of mobile hydrogen production and hydrogen storage super charging station according to claim 1, characterized in that: The connecting mechanism (200) comprises a pump (201), the pump (201) comprises a water inlet pipe (202) for water inlet and a water outlet pipe (203) for water outlet.

4. The new heat exchanger of mobile hydrogen production and hydrogen storage super charging station according to claim 3, characterized in that: The two ends of the spiral flow channel unit (101) are respectively provided with flanges, the ends of the water inlet pipe (202) and the water outlet pipe (203) are provided with flanges, the end of the water inlet pipe (202) is connected with the medium outlet of one spiral flow channel unit (101) through the flange and bolts, the end of the water outlet pipe (203) is connected with the medium inlet of another spiral flow channel unit (101) through the flange and bolts, and the flange-to-flange connection is provided with a sealing ring.

5. The new heat exchanger of mobile hydrogen production and hydrogen storage super charging station according to claim 3, characterized in that: The water inlet pipe (202) is provided with a valve (204), and the valve (204) is one of a ball valve and a butterfly valve.

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