A heat exchange module, system, and heat exchanger

Abstract

The application discloses a heat exchange module, a system and a heat exchanger. The heat exchange module comprises an upper cover plate, a flow channel plate assembly and a lower cover plate which are stacked from top to bottom. The upper cover plate and the lower cover plate seal the upper and lower sides of the flow channel plate assembly respectively. The flow channel plate assembly comprises a flow channel plate, two groups of flow separation plates and two groups of water flow pipes. The application forms a first water flow channel and a second water flow channel through the flow separation plates and the water flow pipes, replaces the water channel composed of multiple thin sheets, adjusts the pipe diameter of the water flow pipes, increases the cross-sectional area of the heat exchange channel, ensures the smoothness of the channel, reduces the probability that the pipeline is blocked due to fouling and cannot perform heat exchange, and thus improves the heat exchange efficiency and prolongs the service life.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of heat exchange, in particular, mainly relates to a heat exchange module, system and heat exchanger. BACKGROUND

[0002] The heat exchanger can exchange heat between two fluids, such as heating or cooling, and the heat exchange module is an essential part in the heat exchanger. In the prior art, the heat exchange module is composed of multiple thin water channels, and the cross-sectional area of the single water channel is small, which is prone to fouling after a period of use, resulting in large water resistance and small flow rate, and the product fails after long-term use. SUMMARY

[0003] In view of the deficiencies of the prior art, the present application provides a heat exchange module, system and heat exchanger.

[0004] The heat exchange module disclosed by the present application comprises an upper cover plate, a flow channel plate assembly and a lower cover plate stacked from top to bottom, and the upper cover plate and the lower cover plate seal the upper and lower sides of the flow channel plate assembly, respectively.

[0005] The flow channel plate assembly comprises:

[0006] The flow channel plate is provided with water flow grooves on the upper and lower sides, and a plurality of first connecting grooves are provided at both ends of the upper and lower sides of the flow channel plate.

[0007] The flow channel plate is provided with two groups of flow baffles, each group of multiple flow baffles is respectively arranged in two water flow grooves, and each group of flow baffles separates the corresponding water flow grooves into a serpentine first fluid channel, and the ends of the two first fluid channels are communicated through the communication holes provided on the flow baffles.

[0008] The water flow pipe is provided with two groups, each group of multiple water flow pipes is arranged on the two sides of the flow channel plate, and the adjacent two flow baffles or the flow baffles and the side wall of the flow channel plate are communicated through the first connecting grooves, each group of water flow pipes is connected into a second fluid channel matched with the first fluid channel through a plurality of first connecting grooves, and the ends of the second fluid channel correspond to the ends of the water flow pipes, respectively, and the second connecting grooves provided on the flow channel plate are communicated, and the second connecting grooves at the end of the second fluid channel penetrate the flow channel plate.

[0009] The first fluid inlet pipe and the second fluid outlet pipe are arranged on the upper cover plate, the first fluid inlet pipe is communicated with the first end of the first fluid channel, and the second fluid outlet pipe is communicated with the second end of the second fluid channel.

[0010] The lower cover plate is provided with a first fluid outlet pipe and a second fluid inlet pipe, the first fluid outlet pipe is communicated with the end of the first fluid channel, and the second fluid inlet pipe is communicated with the head of the second fluid channel.

[0011] Preferably, the heat exchange module further comprises two sealing assemblies arranged between the upper cover plate and the flow channel plate assembly and between the flow channel plate assembly and the lower cover plate, the sealing assemblies comprise a first sealing member and a second sealing member, the first sealing member and the second sealing member are both provided with third connecting grooves and fourth connecting grooves corresponding to the first connecting grooves and the second connecting grooves, and the first sealing member and the second sealing member clamp the water flow pipe by cooperating with each other.

[0012] Preferably, the first sealing member and the second sealing member are both provided with semicircular grooves matched with the water flow pipe.

[0013] Preferably, the first sealing member and the second sealing member are both provided with ribs at the connecting positions with the water flow pipe.

[0014] Preferably, the first sealing member is arranged at the bottom of the upper cover plate or the flow channel plate, and the second sealing member is arranged at the top of the lower cover plate or the flow channel plate.

[0015] Preferably, the first sealing member is integrally formed between the upper cover plate or the flow channel plate, and the second sealing member is integrally formed between the lower cover plate or the flow channel plate.

[0016] Preferably, the outer sides of the upper cover plate, the flow channel plate and the lower cover plate are uniformly distributed with a plurality of connecting ears, each of the connecting ears is provided with a threaded hole, and the upper cover plate, the flow channel plate and the lower cover plate are fixedly connected by screws passing through the threaded holes.

[0017] A heat exchange system comprises an upper cover plate, a plurality of flow channel plate assemblies connected in series and a lower cover plate stacked from top to bottom.

[0018] A heat exchange system comprises a plurality of heat exchange modules connected in parallel.

[0019] A heat exchanger comprises the heat exchange module or the heat exchange system.

[0020] The application has the beneficial effects that the first water flow channel and the second water flow channel are formed by the flow separation plate and the water flow pipe, the water channel composed of a plurality of thin sheets is replaced, the cross-sectional area of the heat exchange channel is increased by adjusting the pipe diameter of the water flow pipe, the smoothness of the channel is ensured, the probability of pipeline blockage caused by fouling and the inability to perform heat exchange is reduced, the heat exchange efficiency is improved, and the service life is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:

[0022] Figure 1 Structure diagram of heat exchange module of the embodiment;

[0023] Figure 2 Structure diagram of heat exchange module of the embodiment;

[0024] Figure 3 Structure diagram of flow channel plate of heat exchange module of the embodiment;

[0025] Figure 4 Structure diagram of sealing assembly of heat exchange module of the embodiment;

[0026] Figure 5 Structure diagram of flow channel plate series connection of heat exchange system of the embodiment. DETAILED DESCRIPTION

[0027] In the following description, numerous specific details are set forth to provide a thorough understanding of the application. However, it will be apparent to one of ordinary skill in the art that the application can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form, rather than in detail, for the sake of clarity.

[0028] It should be noted that the terms "upper", "lower", "left", "right", "front", "back", etc. are used herein only to express relative positions, movement conditions, etc. between components in a certain posture, as shown in the drawings. If the certain posture is changed, the terms "upper", "lower", "left", "right", "front", "back", etc. will also be changed accordingly.

[0029] In addition, the terms "first", "second", etc. in the present application are used only for the purpose of description, and do not mean to particularly indicate the order or sequence, nor to limit the present application. They are merely used to distinguish the components or operations described by the same technical terms. They cannot be understood as indicating or implying the relative importance of the technical features indicated, or implicitly indicating the number of technical features. Therefore, the features defined as "first", "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of a person skilled in the art. When the combination of technical solutions contradicts each other or cannot be realized, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the present application.

[0030] In order to further understand the inventive content, characteristics and effects of the present application, the following examples are given and described in detail below with reference to the accompanying drawings.

[0031] Referring to Figures 1 to 3 The heat exchange module in the embodiment comprises an upper cover plate 1, a flow channel plate assembly 2 and a lower cover plate 3 stacked in sequence from top to bottom. The upper cover plate 1 and the lower cover plate 3 seal the upper and lower sides of the flow channel plate assembly 2, respectively.

[0032] The flow channel plate assembly 2 comprises a flow channel plate 21, a partition plate 22 and a water flow pipe 23. The flow channel plate 21 is provided with water flow grooves on the upper and lower sides, and a plurality of first connecting grooves 211 are arranged at the two ends of the upper and lower sides of the flow channel plate 21.

[0033] In the embodiment, the first connecting grooves 211 are rectangular grooves, the length of which is greater than the sum of the diameters of two water flow pipes 23 and less than the sum of the diameters of three water flow pipes 23, for connecting two adjacent water flow pipes 23. The second connecting grooves 202 are square grooves, the side length of which is slightly greater than the diameter of the water flow pipe 23.

[0034] The partition plate 22 is provided with two groups, each group of multiple partition plates 22 is arranged in two water flow grooves, respectively, and each group of partition plates 22 separates the corresponding water flow grooves into a serpentine first fluid channel. The two first fluid channels are connected through the communication holes 201 arranged on the partition plate 22. The water flow pipe 23 is provided with two groups, each group of multiple water flow pipes 23 is arranged on the two sides of the flow channel plate 21, respectively. The two adjacent partition plates 22 or the partition plate 22 and the side wall of the flow channel plate 21 are connected through the first connecting grooves 211. Each group of water flow pipes 23 is connected into a second fluid channel matched with the first fluid channel through a plurality of first connecting grooves 211. The ends of the second fluid channel correspond to the ends of the water flow pipes 23 connected to the two second connecting grooves 202 arranged on the flow channel plate 21, respectively. The second connecting groove 202 at the end of the second fluid channel penetrates the flow channel plate 21.

[0035] The upper cover plate 1 is provided with a first fluid inlet pipe 11 and a second fluid outlet pipe 12. The first fluid inlet pipe 11 is connected to the first end of the first fluid channel, and the second fluid outlet pipe 12 is connected to the second end of the second fluid channel. The lower cover plate 3 is provided with a first fluid outlet pipe 31 and a second fluid inlet pipe 32. The first fluid outlet pipe 31 is connected to the second end of the first fluid channel, and the second fluid inlet pipe 32 is connected to the first end of the second fluid channel.

[0036] In the heat exchange, the first fluid and the second fluid enter from the first fluid inlet pipe 11 and the second fluid inlet pipe 32 respectively, the first fluid channels on the upper side of the flow channel plate 21 and the first fluid channels on the lower side of the flow channel plate 21 are connected in series through the communication holes 201 to form a first channel, the second fluid channels on the upper side of the flow channel plate 21 and the second fluid channels on the lower side of the flow channel plate 21 are connected in series through the second connecting grooves 202 penetrating the flow channel plate 21 to form a second channel, and the first fluid and the second fluid exchange heat in the first channel and the second channel, and finally flow out from the first fluid outlet pipe 31 and the second fluid outlet pipe 12 respectively. The fluid channels are arranged on the upper and lower sides of the same flow channel plate 21, thereby increasing the heat exchange path and prolonging the heat exchange time, and thus improving the heat exchange efficiency. Moreover, the first water flow channel and the second water flow channel are formed by the flow baffles 22 and the water flow pipes 23, instead of the water channels composed of multiple thin sheets, the cross-sectional area of the heat exchange channel is increased by adjusting the pipe diameter of the water flow pipe, the smoothness of the channel is ensured, thereby reducing the probability of pipeline blockage caused by fouling and unable to perform heat exchange, and thus improving the heat exchange efficiency and prolonging the service life.

[0037] Please refer to Figure 2 and Figure 4 The heat exchange module further comprises two sealing assemblies 4 arranged between the upper cover plate 1 and the flow channel plate assembly 2 and between the flow channel plate assembly 2 and the lower cover plate 3. The sealing assembly 4 comprises a first sealing member 41 and a second sealing member 42, and the first sealing member 41 and the second sealing member 42 are provided with third connecting grooves 401 and fourth connecting grooves 402 corresponding to the first connecting grooves 211 and the second connecting grooves 202, and the first sealing member 41 and the second sealing member 42 clamp the water flow pipe 23 in cooperation. The sealing assembly 4 can improve the overall sealing performance and prevent fluid from overflowing.

[0038] In the embodiment, the upper cover plate 1 and the lower cover plate 3 are provided with baffles corresponding to the flow baffles 22 and fifth connecting grooves and sixth connecting grooves corresponding to the first connecting grooves 211 and the second connecting grooves 202, so that the flow baffles 22, the first connecting grooves 211 and the second connecting grooves 202 on the flow channel plate 21 correspond to each other, and the installation and sealing are more convenient.

[0039] Preferably, the first sealing member 41 and the second sealing member 42 are provided with semicircular grooves 403 corresponding to the water flow pipe 23. The semicircular grooves 403 can position the water flow pipe 23, and the water flow pipe 23 is more stable when the first sealing member 41 and the second sealing member 42 are closed, and will not move during the heat exchange process.

[0040] In the embodiment, the first sealing member 41 and the second sealing member 42 are rectangular sealing rings, and the left and right ends thereof are relatively wide, for arranging the third connecting grooves 401 and the fourth connecting grooves 402 and sealing the gaps between the first connecting grooves 211, the second connecting grooves 202 and the water flow grooves.

[0041] Preferably, the first seal 41 and the second seal 42 are provided with ribs at the connection with the water flow pipe 23, the ribs sealing the first fluid channel from the second fluid channel, preventing the first fluid from flowing into the connection groove and directly contacting the second fluid, thereby reducing the heat exchange effect.

[0042] Preferably, the first seal 41 is provided on the bottom of the upper cover plate 1 or the flow channel plate 21, and the second seal 42 is provided on the top of the lower cover plate 3 or the flow channel plate 21. In this way, during installation, the water flow pipe 23 can be placed on the second seal 42 corresponding to the semicircular groove 403 on the lower cover plate 3 and the first seal 41 corresponding to the semicircular groove 403 on the flow channel plate 21, and the corresponding stacking can be directly performed during installation, which is convenient and simple to operate.

[0043] Preferably, the first seal 41 is integrally formed between the upper cover plate 1 or the flow channel plate 21, and the second seal 42 is integrally formed between the lower cover plate 3 or the flow channel plate 21. In this way, the integrally formed can be formed by one-time injection molding during production, which is more convenient during assembly.

[0044] Preferably, the upper cover plate 1, the flow channel plate 21, and the lower cover plate 3 are uniformly distributed with a plurality of connection ears 101 on the outer side, and each connection ear 101 is provided with a threaded hole. The upper cover plate 1, the flow channel plate 21, and the lower cover plate 3 are fixedly connected by screws passing through the threaded holes. By using screws for fixation, assembly is more convenient.

[0045] A heat exchange system includes an upper cover plate 1, a plurality of flow channel plate assemblies 2 connected in series, and a lower cover plate 3 stacked from top to bottom. The plurality of flow channel plate assemblies 2 can extend the corresponding fluid channel, thereby extending the heat exchange time between the fluids and improving the heat exchange efficiency.

[0046] The specific series connection mode can be achieved by stacking a plurality of flow channel plates 21, sealing a layer of water flow pipe 23 between two adjacent flow channel plates 21, and abutting and sealing the corresponding flow isolation plates 22, that is, two opposite first fluid channels are combined (as shown in Figure 5 During specific heat exchange, the first fluid flows from the previous first fluid channel into the combined first fluid channel, enters the next layer through the communication hole 201, and the second fluid enters the upper layer second fluid channel through the second connection groove 202 penetrating the flow channel plate 21 on the lower flow channel plate 21, thereby achieving series connection.

[0047] A heat exchange system comprising a plurality of the above-mentioned heat exchange modules connected in parallel with each other, and the specific parallel connection can be achieved by using a shunt pipe, i.e. a plurality of corresponding water outlet pipes and water inlet pipes are connected by using a multi-in-one shunt pipe. For example, when the heat exchange system comprises three heat exchange modules connected in parallel, the shunt pipe is a one-to-three shunt pipe, and the three corresponding water outlet pipes or water inlet pipes are connected by using the one-to-three shunt pipe, so that the three-in-one simultaneous heat exchange is achieved, and the heat exchange flow rate per unit time is improved.

[0048] A heat exchanger comprising the above-mentioned heat exchange module or heat exchange system.

[0049] In summary, the first water flow channel and the second water flow channel are formed by the flow isolation plate 22 and the water flow pipe 23, and the water channel composed of a plurality of thin sheets is replaced, the cross-sectional area of the heat exchange channel is increased by adjusting the pipe diameter of the water flow pipe, the smoothness of the channel is ensured, the probability of pipeline blockage caused by fouling and the inability to perform heat exchange is reduced, the heat exchange efficiency is improved, and the service life is prolonged.

[0050] The above only describes the embodiments of the present application and is not intended to limit the present application. The present application can be variously changed and modified by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A heat exchange module, characterized by, The heat exchange module comprises, from top to bottom, an upper cover plate, a flow channel plate assembly and a lower cover plate, the upper cover plate and the lower cover plate respectively seal the upper and lower sides of the flow channel plate assembly; The flow channel plate assembly comprises: The flow channel plate is provided with water flow grooves on the upper and lower sides, and a plurality of first connecting grooves are arranged at the two ends of the upper and lower sides of the flow channel plate; The flow channel plate assembly comprises: The flow channel plate is provided with water flow grooves on the upper and lower sides, and a plurality of first connecting grooves are arranged at the two ends of the upper and lower sides of the flow channel plate; The flow channel plate assembly comprises: The flow channel plate is provided with water flow grooves on the upper and lower sides, and a plurality of first connecting grooves are arranged at the two ends of the upper and lower sides of the flow channel plate; 2. The heat exchange module of claim 1, wherein, The flow channel plate assembly comprises:

3. The heat exchange module of claim 2, wherein, The flow channel plate is provided with water flow grooves on the upper and lower sides, and a plurality of first connecting grooves are arranged at the two ends of the upper and lower sides of the flow channel plate; 4. The heat exchange module of claim 3, wherein, The upper cover plate is provided with a first fluid inlet pipe and a second fluid outlet pipe, the first fluid inlet pipe is communicated with the first end of the first fluid channel, and the second fluid outlet pipe is communicated with the second end of the second fluid channel; 5. The heat exchange module of claim 2, wherein, The lower cover plate is provided with a first fluid outlet pipe and a second fluid inlet pipe, the first fluid outlet pipe is communicated with the second end of the first fluid channel, and the second fluid inlet pipe is communicated with the first end of the second fluid channel.

6. The heat exchange module of claim 5, wherein, The heat exchange module further comprises two sealing assemblies arranged between the upper cover plate and the flow channel plate assembly and between the flow channel plate assembly and the lower cover plate, the sealing assembly comprises a first sealing member and a second sealing member, the first sealing member and the second sealing member are provided with third connecting grooves and fourth connecting grooves corresponding to the first connecting grooves and the second connecting grooves, and the first sealing member and the second sealing member are matched to clamp the water flow pipe.

7. The heat exchange module of claim 1, wherein, The first sealing member and the second sealing member are provided with semicircular grooves matched with the water flow pipe.

8. A heat exchange system characterized by, The first sealing member and the second sealing member are provided with ribs at the connection positions with the water flow pipe.

9. A heat exchanger, characterized by The first sealing member is arranged at the bottom of the upper cover plate or the flow channel plate, and the second sealing member is arranged at the top of the lower cover plate or the flow channel plate. The first sealing member and the second sealing member are integrally formed with the upper cover plate or the flow channel plate and the lower cover plate, respectively. The outer sides of the upper cover plate, the flow channel plate and the lower cover plate are uniformly distributed with a plurality of connecting ears, each of the connecting ears is provided with a threaded hole, and the upper cover plate, the flow channel plate and the lower cover plate are fixedly connected by screws passing through the threaded holes. The heat exchange module comprises a plurality of heat exchange modules as claimed in any one of claims 1-7 connected in parallel. The heat exchange module comprises a heat exchange module as claimed in any one of claims 1-7 or a heat exchange system as claimed in claim 8.

Images