Heat exchanger with suppressed structural vibrations

Abstract

The application provides a heat exchange device capable of inhibiting structural vibration, comprising: a heat exchange body, the heat exchange body being provided with a heating cavity, the heat exchange body being provided with a water inlet and a steam outlet which are communicated with the heating cavity; and a heating element, the heating element being arranged in the heating cavity, at least a part of the heating element being provided with a hydrophilic-hydrophobic structure, the hydrophilic-hydrophobic structure comprising a plurality of hydrophilic structure layers and a plurality of hydrophobic structure layers, each hydrophilic structure layer and each hydrophobic structure layer being arranged alternately along the circumferential side of the heating element, the hydrophilic structure layer being used for growing a steam bubble, the hydrophobic structure layer being used for absorbing the steam bubble away when contacting the edge of the steam bubble and guiding the steam bubble to separate from the hydrophobic structure layer. The heat exchange device capable of inhibiting structural vibration aims to solve the problem of large operation noise of the heat exchange device in the prior art.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heat exchange devices, in particular to a heat exchange device capable of inhibiting structural vibration. BACKGROUND

[0002] Traditional heat exchange devices generate strong vibration noise during steam generation, affecting the running quietness of the process system, and even inducing structural failure due to long-term mechanical vibration, resulting in a decrease in system reliability. SUMMARY

[0003] The present application provides a heat exchange device capable of inhibiting structural vibration, aiming to solve the problem of large running noise of heat exchange devices in traditional technology.

[0004] In view of the problems existing in the prior art, the present application provides a heat exchange device capable of inhibiting structural vibration, comprising:

[0005] a heat exchange body, the heat exchange body having a heating cavity inside, the heat exchange body being provided with a water inlet and a steam outlet in communication with the heating cavity; and

[0006] a heating element provided in the heating cavity, at least a part of the heating element being provided with a hydrophilic-hydrophobic structure, the hydrophilic-hydrophobic structure comprising a plurality of hydrophilic structure layers and a plurality of hydrophobic structure layers, each of the hydrophilic structure layers and each of the hydrophobic structure layers being arranged alternately along the circumferential side of the heating element, the hydrophilic structure layer being used for growing steam bubbles, and the hydrophobic structure layer being used for attracting steam bubbles away when contacting the edge of the steam bubbles and guiding the steam bubbles to separate from the hydrophobic structure layer.

[0007] According to the heat exchange device capable of inhibiting structural vibration provided by the present application, the hydrophilic structure layer and the hydrophobic structure layer are arranged parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner.

[0008] The side of the hydrophilic structure layer away from the heating element is used for growing steam bubbles, and the side of the hydrophobic structure layer away from the heating element is used for attracting steam bubbles away and guiding the steam bubbles to separate.

[0009] According to the heat exchange device capable of inhibiting structural vibration provided by the present application, each of the hydrophilic structure layers and each of the hydrophobic structure layers are combined to form a sleeve, and the sleeve is sleeved outside the heating element; or each of the hydrophilic structure layers and each of the hydrophobic structure layers are bonded to the outer wall of the heating element.

[0010] According to the heat exchange device capable of inhibiting structural vibration provided by the present application, the hydrophilic structure layer and the hydrophobic structure layer are arranged inclined to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner.

[0011] The heat exchange device provided by the present application can inhibit structural vibration, one side or both sides of the hydrophilic structure layer are used for growing bubbles, and one side or both sides of the hydrophobic structure layer are used for absorbing and guiding bubbles to separate.

[0012] The heat exchange device provided by the present application can inhibit structural vibration, the hydrophilic structure layer and the hydrophobic structure layer both extend along the axial direction of the heating element, and / or the hydrophilic structure layer and the hydrophobic structure layer both extend along the radial direction of the heating element.

[0013] The heat exchange device provided by the present application can inhibit structural vibration, the heating element comprises two first heating sections and a second heating section arranged between the two first heating sections, the first heating section extends along the axial direction of the heat exchange body, and the second heating section extends along the radial direction of the heat exchange body.

[0014] The heat exchange device provided by the present application can inhibit structural vibration, the hydrophilic structure layer and the hydrophobic structure layer both extend along the axial direction of the heating element, and / or the hydrophilic structure layer and the hydrophobic structure layer both extend along the radial direction of the heating element.

[0015] The heat exchange device provided by the present application can inhibit structural vibration, the heating element comprises two first heating sections and a second heating section arranged between the two first heating sections, the first heating section extends along the axial direction of the heat exchange body, and the second heating section extends along the radial direction of the heat exchange body.

[0016] The heat exchange device provided by the present application can inhibit structural vibration, the heating element comprises two first heating sections and a second heating section arranged between the two first heating sections, the first heating section extends along the axial direction of the heat exchange body, and the second heating section extends along the radial direction of the heat exchange body.

[0017] The heat exchange device provided by the present application can inhibit structural vibration, the heating element comprises two first heating sections and a second heating section arranged between the two first heating sections, the first heating section extends along the axial direction of the heat exchange body, and the second heating section extends along the radial direction of the heat exchange body. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some embodiments of the present application, and all other drawings obtained by those of ordinary skill in the art without creative work based on these drawings also belong to the protection scope of the present application.

[0019] Figure 1 is a structural schematic diagram of a heat exchange device capable of inhibiting structural vibration provided by the present application;

[0020] Figure 2 is a structural schematic diagram of a first embodiment of a hydrophilic structure provided by the present application;

[0021] Figure 3 is a structural schematic diagram of a second embodiment of a hydrophilic structure provided by the present application;

[0022] Figure 4 is a structural schematic diagram of a third embodiment of a hydrophilic structure provided by the present application;

[0023] Figure 5 is a structural schematic diagram of a flow divider provided by the present application;

[0024] Figure 6 is a structural schematic diagram of a bubble divider provided by the present application.

[0025] Reference signs:

[0026] 10: heat exchange body; 11: heating cavity; 12: water inlet; 13: steam outlet; 20: heating member; 21: first heating section; 22: second heating section; 23: hydrophilic structure layer; 24: hydrophobic structure layer; 30: flow divider; 31: flow dividing ring; 311: jet hole; 312: avoiding hole; 32: main inflow pipe; 33: sub-inflow pipe; 40: stirrer; 41: high-frequency piezoelectric ceramic paddle; 50: bubble divider; 51: bubble dividing grid. DETAILED DESCRIPTION

[0027] In order to make the objects, technical solutions and advantages of the present application clearer, the following will combine the drawings in the present application to clearly and completely describe the technical solutions in the present application. Obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work also belong to the protection scope of the present application.

[0028] In the description of the embodiments of the present application, it should be noted that unless specifically defined and limited otherwise, the terms "connected", "connected", should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0029] In the description of the embodiments of the present application, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the embodiments of the present application.

[0030] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0031] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and cannot be understood as limiting the present application.

[0032] The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numerals and / or letters in different examples. Such repetition is for the purpose of simplification and clarity, and in itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the applicability of other processes and / or the use of other materials.

[0033] The following will be described in conjunction with Figures 1-6 The heat exchange device provided by the description of the present application can suppress structural vibration.

[0034] In view of the problems in the prior art, the embodiment of the present application provides a heat exchange device capable of inhibiting structural vibration, which comprises a heat exchange body 10 and a heating element 20.

[0035] Please refer to Figure 1 The heat exchange body 10 has a heating cavity 11, and the heat exchange body 10 is provided with a water inlet 12 and a steam outlet 13 which are in communication with the heating cavity 11, the water inlet 12 is used for sending water into the heating cavity 11, and the steam outlet 13 is used for conveying steam. The heating element 20 is arranged in the heating cavity 11 and is used for heating cold water to make it boil to generate steam. In the technical scheme provided by the present application, at least part of the heating element 20 is provided with a hydrophilic-hydrophobic structure, the hydrophilic-hydrophobic structure comprises a plurality of hydrophilic structure layers 23 and a plurality of hydrophobic structure layers 24, and the hydrophilic structure layers 23 and the hydrophobic structure layers 24 are arranged alternately along the circumferential side of the heating element 20. It should be noted that water is more likely to contact the hydrophilic structure layer 23, so the hydrophilic structure layer 23 will absorb heat to boil to generate steam bubbles, when the steam bubbles are generated and grow to a certain size, they will contact the hydrophobic structure layer 24 and be attracted by the hydrophobic structure layer 24, and the steam bubbles will spontaneously move to the hydrophobic structure layer 24 and float away under the guidance of the hydrophobic structure layer 24. The size of the steam bubbles can be reasonably adjusted by adjusting the size of the hydrophilic structure layer 23 or the spacing between the hydrophilic structure layer 23 and the hydrophobic structure layer 24, so that the steam bubbles are relatively small. Since the breaking noise of small steam bubbles is much lower than that of large steam bubbles, the vibration noise generated by the breaking of steam bubbles in the whole device can be reduced by the arrangement of the hydrophilic-hydrophobic structure.

[0036] In an embodiment provided by the present application, please refer to Figure 2 The hydrophilic structure layer 23 and the hydrophobic structure layer 24 are arranged parallel to the outer wall of the heating element 20, that is, the side of the hydrophilic structure layer 23 away from the heating element 20 is used for growing steam bubbles, and the side of the hydrophobic structure layer 24 away from the heating element 20 is used for attracting and guiding the steam bubbles to separate. In an optional embodiment, adjacent hydrophilic structure layers 23 and hydrophobic structure layers 24 are arranged at intervals, that is, the growth size of the steam bubbles is close to the width of the hydrophilic structure layer 23 and the spacing therebetween. In another optional embodiment, the hydrophilic structure layers 23 and the hydrophobic structure layers 24 are arranged in abutment, that is, the growth size of the steam bubbles is close to the width of the hydrophilic structure layer 23. Of course, some hydrophilic structure layers 23 and corresponding hydrophobic structure layers 24 can be arranged at intervals, and some hydrophilic structure layers 23 and corresponding hydrophobic structure layers 24 can be arranged in abutment, and the present application does not limit this.

[0037] As the hydrophilic structure layer 23 and the hydrophobic structure layer 24 are parallel to the wall surface of the heating element 20, in order to facilitate the installation of the hydrophilic and hydrophobic structures, the hydrophilic structure layer 23 and the hydrophobic structure layer 24 are combined to form a sleeve, which can be directly sleeved outside the heating element 20. In another alternative embodiment, the hydrophilic structure layer 23 and the hydrophobic structure layer 24 are bonded to the outer wall of the heating element 20, or a sleeve can be provided, which is directly sleeved outside the heating element 20, and then the hydrophilic structure layer 23 and the hydrophobic structure layer 24 are provided on the outer wall surface of the sleeve. It should be noted that the heating element 20 can have various shapes, and the sleeve can have a shape close to that of the heating element 20, or can have other shapes as long as it can be sleeved outside the heating element 20.

[0038] Further, please refer to Figure 3 In yet another embodiment provided by the present application, the hydrophilic structure layer 23 and the hydrophobic structure layer 24 are inclined to the outer wall of the heating element 20, and the hydrophilic structure layer 23 and the hydrophobic structure layer 24 are arranged at intervals. It can be understood that one side or both sides of the hydrophilic structure layer 23 are used for growing bubbles, and one side or both sides of the hydrophobic structure layer 24 are used for absorbing and guiding the bubbles to separate, and the hydrophilic structure layer 23 and the hydrophobic structure layer 24 are preferably perpendicular to the outer wall of the heating element 20. It should be noted that the hydrophilic structure can include a mounting member corresponding to the hydrophilic structure layer 23 or the hydrophobic structure layer 24, such as the aforementioned sleeve for mounting the hydrophilic structure layer 23 or the hydrophobic structure layer 24, or the hydrophilic structure layer 23 or the hydrophobic structure layer 24 can be directly arranged on the heating element 20. In this embodiment, the hydrophilic structure can include a sleeve, and the hydrophilic structure layer 23 or the hydrophobic structure layer 24 is inclined to the outer wall surface of the sleeve, and the hydrophilic structure layer 23 or the hydrophobic structure layer 24 can also be directly arranged on the surface of the heating element 20.

[0039] In particular, please refer to Figure 2 and Figure 3 In alternative embodiments, the hydrophilic structure layer 23 and the hydrophobic structure layer 24 both extend along the axial direction of the heating element 20, that is, the bubbles will separate along the axial direction of the heating element 20; and / or the hydrophilic structure layer 23 and the hydrophobic structure layer 24 both extend along the radial direction of the heating element 20, that is, the bubbles will separate along the radial direction of the heating element 20.

[0040] The heating element 20 can be arranged in various ways, and the hydrophilic structure can also be arranged in various ways. In an alternative embodiment, the heating element 20 extends along the axial direction of the heat exchange body 10, for example, the heating element 20 is arranged as a heating rod extending along the axial direction of the heat exchange body 10. In an alternative embodiment, the hydrophilic structure layer 23 and the hydrophobic structure layer 24 both extend along the axial direction of the heating element 20, i.e., the hydrophilic structure layer 23 and the hydrophobic structure layer 24 are arranged in a strip shape. In another alternative embodiment, the hydrophilic structure layer 23 and the hydrophobic structure layer 24 extend along the radial direction of the heating element 20, i.e., the hydrophilic structure layer 23 and the hydrophobic structure layer 24 are arranged in a ring shape. Further, in another alternative embodiment, the heating element 20 extends along the radial direction of the heat exchange body 10, for example, the heating element 20 is arranged as a heating rod extending along the radial direction of the heat exchange body 10. In an alternative embodiment, the hydrophilic structure layer 23 and the hydrophobic structure layer 24 both extend along the axial direction of the heating element 20, i.e., the hydrophilic structure layer 23 and the hydrophobic structure layer 24 are arranged in a strip shape. In another alternative embodiment, the hydrophilic structure layer 23 and the hydrophobic structure layer 24 extend along the radial direction of the heating element 20, i.e., the hydrophilic structure layer 23 and the hydrophobic structure layer 24 are arranged in a ring shape. It should be noted that the heating element 20 can have multiple spaced regions arranged with the hydrophilic structure, and the hydrophilic structure in each region can be arranged in the same or different way, which is not limited in the present application.

[0041] Further, please refer to Figure 1 and Figure 4In the technical scheme provided by the present application, the heating member 20 comprises two first heating sections 21 and a second heating section 22 arranged between the two first heating sections 21, the first heating section 21 extends along the axial direction of the heat exchange body 10, and the second heating section 22 extends along the radial direction of the heat exchange body 10. By arranging the heating member 20 in a composite shape, on one hand, the heating efficiency can be improved, and on the other hand, the heating member 20 does not occupy much space in the heating cavity 11, facilitating the arrangement of other structures. Furthermore, the hydrophilic structure is arranged on the first heating section 21 and the second heating section 22, the hydrophilic structure on the first heating section 21 extends along the axial direction of the first heating section 21, and the hydrophilic structure on the second heating section 22 extends along the radial direction of the second heating section 22. It should be noted that the hydrophilic structure on the first heating section 21 extends along the axial direction of the heat exchange body 10, the distance between the hydrophilic structure layer 23 and the hydrophobic structure layer 24 can be controlled to be small, so as to control the size of the generated steam bubbles, and the steam bubbles separated from the hydrophobic structure layer 24 can ascend and separate along the axial direction of the heat exchange body 10. It can be understood that the noise generated by the breaking of small steam bubbles is smaller than that of large steam bubbles, and therefore, by setting the distance between the hydrophilic structure layer 23 and the hydrophobic structure layer 24 to be small, the size of the steam bubbles can be inhibited, thereby reducing the noise of the heat exchange device. Furthermore, the hydrophilic structure layer 23 and the hydrophobic structure layer 24 on the second heating section 22 can also inhibit the growth of the steam bubbles on the second heating section 22, and on the other hand, part of the steam bubbles separated from the first heating section 21 will float and touch the second heating section 22, and will be cut and broken by the hydrophilic structure layer 23 and the hydrophobic structure layer 24 on the second heating section 22, so as to divide the steam bubbles into smaller ones, further reducing the noise. In an optional embodiment, the first heating section 21 comprises a straight heating rod, and the second heating section 22 comprises an arc-shaped heating rod.

[0042] In order to improve the heating efficiency, the heating member 20 comprises a plurality of heating members. In an optional embodiment, the heights of the heating members 20 are different, and the heating members 20 are arranged in sequence and in the same plane; in another optional embodiment, the heating members 20 are arranged in the radial direction of the heat exchange body 10. The skilled in the art can select a suitable arrangement form of the heating member 20 according to the working condition and installation requirement, which is not limited in the present application.

[0043] Further, please refer to Figure 1 and Figure 5 The heat exchange device capable of inhibiting structural vibration further comprises a flow dividing member 30 arranged in the heating cavity 11, and the flow dividing member 30 comprises a plurality of jet holes 311, each jet hole 311 being used for jetting water / steam to flush away the steam bubbles on the surface of the heating member 20.

[0044] It should be noted that the jet holes 311 spray water or steam, and the sprayed water or steam can cause strong convection movement on the surface of the heating element 20, and can flush away the small steam bubbles generated by heat absorption on the surface of the heating element 20, so as to prevent the small steam bubbles from continuing to grow, and to reduce the size of the steam bubbles. Compared with the breaking of large steam bubbles, the breaking of small steam bubbles can greatly reduce the vibration amplitude and energy, so as to reduce the vibration noise of the heat exchange device caused by the breaking of steam bubbles. Further, the flow dividing element 30 can be provided as one or more, and can spray water or steam, and the present application is not limited in this regard.

[0045] Specifically, referring to Figure 5 , the flow dividing element 30 includes a plurality of flow dividing rings 31 which are sleeved with each other, a plurality of jet holes 311 are formed on one side of each flow dividing ring 31, and a flow dividing hole is formed on the other side of each flow dividing ring 31, and the flow dividing hole is used to communicate with the water inlet 12 or the steam outlet 13. It should be noted that by providing a plurality of flow dividing rings 31 which are sleeved with each other, a plurality of water spraying rings / steam spraying rings can be formed outward along the axis of the heat exchange body 10, and the water spraying / steam spraying is more uniform, which can not easily cause a sharp change in the flow field, and on the other hand, no matter what shape and structure the heating element 20 is provided in what position, the small steam bubbles generated thereon can be flushed away by the strong convection caused by the water spraying / steam spraying of the flow dividing rings 31. Of course, gaps can also be formed between the flow dividing rings 31, which can facilitate the arrangement of the heating element 20, and the two will not interfere with each other during installation.

[0046] Further, the flow dividing element 30 includes a main flow inlet pipe 32 and a plurality of sub-flow inlet pipes 33 which are in communication with the main flow inlet pipe 32, the main flow inlet pipe 32 is in communication with the water inlet 12 or the steam outlet 13, and each sub-flow inlet pipe 33 is used to communicate with the flow dividing hole of one or more flow dividing rings 31.

[0047] In an embodiment provided by the application, the sub-inflow pipes 33 are distributed radially, and each sub-inflow pipe 33 is provided with a plurality of inflow holes, which are sequentially communicated with the sub-outflow holes of the sub-outflow rings 31. In an alternative embodiment, a sleeve can be arranged at one of the inflow holes or the sub-outflow holes, so that the sub-inflow pipes 33 and the sub-outflow rings 31 can be connected and communicated. In this way, each sub-outflow ring 31 is provided with a plurality of sub-outflow holes, and each sub-outflow ring 31 can be supplied with water / steam through a plurality of sub-inflow pipes 33, which can ensure sufficient water / steam supply and thus ensure the water / steam spraying pressure, so as to improve the separation effect of the steam bubbles. In addition, the structure of the sub-flow device 30 is more regular, and a large number of dispersed pipelines in the heating cavity 11 are not needed, the entire sub-flow device 30 forms a regular umbrella-shaped structure, which is convenient for installation and arrangement of other structures. Further, in an alternative embodiment, the sub-inflow pipes 33 are distributed radially along the horizontal direction, and the sub-outflow rings 31 are distributed on the same plane, i.e., the entire sub-flow device 30 is planar, and in an alternative embodiment, the entire sub-flow device 30 is circular. In another alternative embodiment, the sub-inflow pipes 33 are distributed radially along the vertical direction, and the sub-outflow rings 31 are distributed on different planes, i.e., the entire sub-flow device 30 is three-dimensional, and in an alternative embodiment, the entire sub-flow device 30 is conical. It should be noted that, in order to ensure the water / steam spraying effect and make the water / steam spraying capable of separating the small steam bubbles on the surface of the heating element 20, the water / steam spraying path can be arranged to be directed towards the heating element 20, and the extension direction of the water / steam spraying path of each spray hole 311 is different. In other embodiments, the water / steam spraying path can be arranged to be the same as the extension direction of the heating element 20, and the water spraying paths of each spray hole 311 are arranged in parallel. Assuming that the heating element 20 extends along the axial direction of the heat exchange body 10, the water / steam spraying path also extends along the axial direction of the heat exchange body 10, and the water / steam spraying can form a flow field along the axial direction of the heat exchange body 10, which can efficiently upwardly flush away the small steam bubbles on the heating element 20, and improve the steam bubble flushing efficiency.

[0048] Further, in order to facilitate the arrangement of the heating element 20, the sub-inflow pipes 33 and the sub-outflow rings 31 are formed with a relief hole 312, and the heating element 20 is arranged in the relief hole 312.

[0049] In the technical solution provided by the application, the bottom wall of the heating cavity 11 is further provided with an agitator 40, which can be a mechanical agitator, a magnetic stirring impeller or a high-frequency piezoelectric ceramic paddle 41. The magnetic stirring impeller is composed of a magnetic driver and an impeller, and the impeller continuously rotates under the magnetic field force driving. After the rotation of the impeller, an upward and centrifugal force is generated on the water, which forces the water to convectively exchange heat with the heating element 20. Please refer to Figure 1The high-frequency piezoelectric ceramic paddle 41 is a strip array processed based on piezoelectric ceramic as a base material. When an external power source is connected, each strip of the high-frequency piezoelectric ceramic paddle 41 reciprocally swings at high frequency under the piezoelectric effect, drives the water to move rapidly, and enhances the convective heat transfer coefficient of the water and the heating element 20. In summary, through the arrangement of the stirrer 40, on the one hand, the surface temperature of the heating element 20 can be reduced, and the generation of steam bubbles can be reduced. On the other hand, the steam bubbles on the surface of the heating element 20 can be further scoured by driving the water to move. Finally, the flow of water can be driven to exchange heat, so that the temperature of the water is more uniform. In summary, the arrangement of the stirrer 40 can not only assist in reducing the noise of the heat exchange device, but also can improve the heating efficiency of the heat exchange device.

[0050] Although the structure for scoursing steam bubbles or reducing the number of steam bubbles generated is arranged in the foregoing scheme, steam bubbles will still continuously float and break to generate noise in actual application. Considering that the breaking noise of small steam bubbles will be lower than that of large steam bubbles, in the technical scheme provided by the present application, a bubble separator 50 is further arranged in the heating cavity 11. In an optional embodiment, please refer to Figure 1 and Figure 6 A bubble separation grid plate 51 is arranged in the heating cavity 11. By arranging one or more layers of bubble separation grid plates 51 at the space position above the heating element 20, by the fine grid structure on the bubble separation grid plate 51, and by the rising buoyancy of the large steam bubbles generated by water boiling, the large steam bubbles can be cut into a large number of small steam bubbles. In another optional embodiment, one or more ultrasonic generators can also be arranged on the inner wall of the heating cavity 11. By high-frequency ultrasonic vibration, the large steam bubbles generated by water boiling can be oscillated and broken into a large number of small steam bubbles. It should be noted that by arranging the bubble separator 50, the large steam bubbles can be divided into small steam bubbles, the small steam bubbles continue to float to the water surface and break to release steam. Compared with the breaking of large steam bubbles on the water surface, since the volume of the steam bubbles is greatly reduced, the vibration energy generated after the breaking is also greatly reduced, and the breaking frequency moves to high frequency due to the increase in the number of small steam bubbles. The high-frequency oscillation quickly attenuates in the propagation process, and the energy transmitted outward after passing through the water and the wall of the heating cavity 11 is also greatly reduced, thereby greatly reducing the overall vibration noise of the equipment and achieving the function of vibration reduction and noise reduction.

[0051] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A heat exchange device capable of suppressing structural vibration, characterized in that, The heat exchange body has a heating cavity, and a water inlet and a steam outlet are arranged on the heat exchange body and communicate with the heating cavity. The heating element is arranged in the heating cavity, and at least a part of the heating element is provided with a hydrophilic-hydrophobic structure. The hydrophilic structure layer and the hydrophobic structure layer are parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner. The hydrophilic structure layer and the hydrophobic structure layer are parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner.

2. The heat exchange apparatus capable of suppressing structural vibration according to claim 1, wherein The hydrophilic structure layer and the hydrophobic structure layer are parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner. The hydrophilic structure layer and the hydrophobic structure layer are parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner.

3. The heat exchange device capable of suppressing structural vibration according to claim 2, wherein The hydrophilic structure layer and the hydrophobic structure layer are parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner.

4. The heat exchange apparatus capable of suppressing structural vibration according to claim 1, wherein The hydrophilic structure layer and the hydrophobic structure layer are parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner.

5. The heat exchange device capable of suppressing structural vibration according to claim 4, wherein The hydrophilic structure layer and the hydrophobic structure layer are parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner.

6. The heat exchange apparatus capable of suppressing structural vibration according to claim 1, wherein The hydrophilic structure layer and the hydrophobic structure layer are parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner.

7. The heat exchange device capable of suppressing structural vibration according to claim 6, wherein The hydrophilic structure layer and the hydrophobic structure layer are parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner.

8. The heat exchange device capable of suppressing structural vibration according to claim 6, wherein The hydrophilic structure layer and the hydrophobic structure layer are parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner.

9. The heat exchange apparatus capable of suppressing structural vibration according to claim 1, wherein The heating element includes two first heating sections and a second heating section arranged between the two first heating sections. The hydrophilic structure layer and the hydrophobic structure layer are parallel to the outer wall of the heating element, and adjacent hydrophilic structure layers and hydrophobic structure layers are arranged in a spaced manner. The heating element includes a plurality of heating elements, each heating element has a different height, and each heating element is arranged in a same plane. The heat exchange body has a heating cavity, and a water inlet and a steam outlet are arranged on the heat exchange body and communicate with the heating cavity. The heating element is arranged in the heating cavity, and at least a part of the heating element is provided with a hydrophilic-hydrophobic structure.

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