Plate heat exchanger with adjustable flow channel

Abstract

The utility model relates to the technical field of plate heat exchangers, in particular to a plate heat exchanger with an adjustable flow channel, which comprises a heat exchange plate, two groups of rubber rings are arranged on two sides of the heat exchange plate, a heat exchange mechanism for heat exchange of media is arranged in the heat exchange plate, and a fixing mechanism for fixing is arranged at one end of the heat exchange plate. The heat exchange mechanism comprises a heat conducting plate, the heat conducting plate is fixed in the vertical direction of the interior of the heat exchange plate, and a plurality of heat pipes penetrate through the interior of the heat conducting plate at equal intervals in the horizontal direction. Through the arranged heat exchange mechanism, a heat conduction plate can achieve the heat conduction effect, heat of a heat medium can be transmitted into heat exchange liquid, a heat pipe can achieve the better heat conduction effect, and when the pressure of the heat exchange medium or the heat medium is too large and flows into the interior, an adjusting plate can be pushed to horizontally move towards the interior of a mounting cavity; at the moment, the internal space of the cold medium cavity or the hot medium cavity is increased, so that the flow channel speed of the medium is reduced, and the heat exchange effect of the medium is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to plate heat exchanger technical field especially is related to a flow channel adjustable plate heat exchanger. BACKGROUND

[0002] Plate heat exchanger is by a series of have certain corrugated shape metal sheet stack loading a kind of new high-efficiency heat exchanger.Thin rectangular channel is formed between these metal sheets, for fluid to pass through, and heat exchange is carried out through plate piece.It is the ideal equipment of liquid-liquid, liquid-vapor heat exchange.The working principle of plate heat exchanger is based on heat conduction and convection two heat exchange modes.When two or more temperature different fluids flow through the channel between plate piece respectively, due to temperature difference, heat will be transferred from high-temperature fluid to low-temperature fluid.Corrugated plate structure not only increases the contact area of fluid and plate, but also promotes the turbulent flow of fluid, thereby improving the heat exchange efficiency.

[0003] The existing plate heat exchanger needs to disassemble the fixing structure of the fixing rod when disassembling, which is very cumbersome, and the plate bundle has the risk of collapse, which can cause serious damage to the heat exchanger and increase the maintenance cost.

[0004] The existing patent (publication number: CN216432628U) discloses a detachable plate heat exchanger, which includes a bottom groove, the bottom groove is a long strip-shaped groove body, the heat exchange plate bundle is vertically arranged in the bottom groove, the heat exchange plate bundle is symmetrically provided with side plates on both sides, the side plates are connected to the bottom groove at the bottom, the side plates are welded with clamping strips on the top, one side of the clamping strip is clamped with the recess on both sides of the heat exchange plate bundle, and the top of the two side plates is connected to each other. It is vertically arranged in the bottom groove by the heat exchange plate bundle, when disassembling, only the side plate needs to be removed, the heat exchange plate bundle will not collapse during disassembling, the heat exchange plate will not be deformed, and the two side plates can reduce the influence of external environment on heat exchange of the heat exchanger.

[0005] In view of the above problems, the scheme given by the existing patent can prevent the heat exchange plate bundle from collapsing during disassembling, avoid the heat exchange plate from deforming, and effectively reduce the influence of external environment on heat exchange of the heat exchanger, but it is not convenient to adjust the internal flow channel during actual use; therefore, when the medium pressure is large, the medium flows too fast, so that the heat in the medium cannot be fully exchanged. SUMMARY

[0006] The utility model discloses a purpose at: provide a kind of flow channel adjustable plate heat exchanger, heat conduction plate can play the role of heat conduction, the heat of heat medium can be transferred to heat exchange liquid, and heat pipe can play better heat conduction effect, when the pressure of heat exchange medium or heat medium is too large to flow into inside, adjustment plate will be pushed to horizontal motion in mounting cavity, at this time, the space of cold medium cavity or heat medium cavity inside increases, to make the flow channel speed of medium reduce, guarantee the heat exchange effect of medium, to solve the problem proposed in above background art.

[0007] To realize the above object, the utility model provides the following technical scheme: a kind of flow channel adjustable plate heat exchanger, including heat exchange plate, the two sides of the heat exchange plate are disposed with two groups of rubber ring, the inside of the heat exchange plate is equipped with the heat exchange mechanism for heat exchange to medium, one end of the heat exchange plate is equipped with the fixed mechanism for fixing;

[0008] The heat exchange mechanism includes heat conduction plate, the heat conduction plate is fixed in the vertical direction inside heat exchange plate, a plurality of heat pipes are equidistantly penetrated in the horizontal direction inside the heat conduction plate, the left side of the heat conduction plate is equipped with the cold medium cavity opened in the inner wall of heat exchange plate, the right side of the heat conduction plate is equipped with the heat medium cavity opened in the inner wall of heat exchange plate, both ends of the inside of the heat exchange plate are equipped with mounting cavity, the inner wall of the mounting cavity is slidably connected with adjustment plate.

[0009] Preferably, the side wall of the adjustment plate is provided with a limiting plate fixedly connected with the inner wall of the heat exchange plate, and a adjusting screw is rotatably connected in the inside of the adjustment plate.

[0010] Preferably, the adjusting screw is rotatably connected between the heat exchange plate, the outer surface of the adjusting screw is threadedly connected with a compression tube, one side of the compression tube is abuttingly connected with a compression spring sleeved on the adjusting screw, and the end of the compression spring is abuttingly connected with the adjustment plate.

[0011] Preferably, two limiting strips are symmetrically fixed on the side wall of the heat exchange plate, and one side of each of the two limiting strips is insertedly connected with a limiting cavity opened on the heat exchange plate.

[0012] Preferably, the fixed mechanism comprises a first fixed plate, and the first fixed plate is arranged at one end of the heat exchange plate.

[0013] Preferably, three groups of fixed screws are installed in the inside of the first fixed plate, and the end of each of the three groups of fixed screws is connected with a second fixed plate.

[0014] Preferably, a heat medium port is opened on the side wall of the first fixed plate, a cold medium port is opened on the outer surface of the first fixed plate, and the outer surface of the heat medium port and the cold medium port is provided with a fixed rod fixedly connected with the first fixed plate.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1. Through the heat exchange mechanism arranged, the heat conduction plate can play a role of heat conduction, so that the heat of the heat medium can be transmitted to the heat exchange liquid, and the heat pipe can play a better heat conduction role, when the pressure of the heat exchange medium or the heat medium is too large to flow into the inside, the adjusting plate is pushed to move horizontally into the mounting cavity, at this time, the space inside the cold medium cavity or the heat medium cavity is increased, thereby reducing the flow channel speed of the medium, and the heat exchange effect of the medium is guaranteed.

[0017] 2. Through the fixing mechanism arranged, the rubber ring plays a sealing role, after assembly is completed, the first fixing plate and the second fixing plate are respectively placed on the two sides of the heat exchange plate, and the fixing screw rod fixes the first fixing plate and the second fixing plate, so that the heat exchange plate is convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiment or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and for ordinary skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0019] Figure 1 It is the overall structure view of the utility model;

[0020] Figure 2 It is the three-dimensional structure schematic view of the heat exchange plate of the utility model;

[0021] Figure 3 It is the half cut structure schematic view of the heat exchange plate of the utility model;

[0022] Figure 4 It is the utility model Figure 3 The enlarged view in A.

[0023] Explanation of reference signs:

[0024] 1, heat exchange plate;2, rubber ring;3, heat conduction plate;31, heat pipe;32, cold medium cavity;33, heat medium cavity;34, adjusting plate;35, limiting plate;36, adjusting screw rod;37, compression pipe;38, compression spring;39, mounting cavity;4, limiting strip;5, limiting cavity;6, first fixing plate;61, fixing screw rod;62, second fixing plate;63, heat medium port;64, cold medium port;65, fixed rod. DETAILED DESCRIPTION

[0025] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0026] The present application provides a technical scheme:

[0027] Please refer to Figures 1 to 4 A plate heat exchanger with adjustable flow channel, comprising a heat exchange plate 1, two groups of rubber rings 2 are arranged on both sides of the heat exchange plate 1, a heat exchange mechanism for heat exchange of medium is arranged in the heat exchange plate 1, and a fixing mechanism for fixing is arranged at one end of the heat exchange plate 1.

[0028] The heat exchange mechanism comprises a heat conduction plate 3 fixed in the vertical direction inside the heat exchange plate 1, a plurality of heat pipes 31 penetrating through the heat conduction plate 3 in the horizontal direction, a cold medium cavity 32 opened in the inner wall of the heat exchange plate 1 is arranged on the left side of the heat conduction plate 3, a hot medium cavity 33 opened in the inner wall of the heat exchange plate 1 is arranged on the right side of the heat conduction plate 3, installation cavities 39 are arranged at both ends of the heat exchange plate 1, an adjusting plate 34 is slidably connected to the inner wall of the installation cavity 39, a limiting plate 35 fixedly connected to the inner wall of the heat exchange plate 1 is arranged on the side wall of the adjusting plate 34, an adjusting screw 36 is rotatably connected to the inside of the adjusting plate 34, the adjusting screw 36 is rotatably connected between the heat exchange plate 1, a compression tube 37 is threadedly connected to the outer surface of the adjusting screw 36, a compression spring 38 sleeved on the adjusting screw 36 is abuttingly connected to one side of the compression tube 37, and the tail end of the compression spring 38 is abuttingly connected to the adjusting plate 34.

[0029] By adopting the above technical scheme, the heat exchange medium and the hot medium enter the cold medium cavity 32 and the hot medium cavity 33 respectively, the heat conduction plate 3 arranged can play a role in heat conduction, so that the heat of the hot medium can be transferred to the heat exchange liquid, and the heat pipe 31 can play a better role in heat conduction, when the pressure of the heat exchange medium or the hot medium is too large to flow into the inside, the adjusting plate 34 will be pushed to move horizontally into the installation cavity 39, at this time, the space in the cold medium cavity 32 or the hot medium cavity 33 is increased, thereby reducing the flow channel speed of the medium, ensuring the heat exchange effect of the medium, and when the adjusting plate 34 moves, the compression spring 38 will be compressed, when the pressure of the medium is restored, the adjusting plate 34 will be reset in the process of elongation of the compression spring 38 itself, the limiting plate 35 arranged can play a role in limiting, by rotating the adjusting screw 36, the guide rod provided on the outer wall of the heat exchange plate 1 of the compression tube 37, when the adjusting screw 36 rotates, the compression tube 37 threadedly connected is driven to move horizontally, so that the tension of the compression spring 38 can be adjusted, and the pressure of the adjusting plate 34 on different media can realize the buffering adjustment effect.

[0030] Specifically, as shown in Figure 1 and Figure 2 The side wall of the heat exchange plate 1 is symmetrically fixed with two limiting strips 4, one side of the two limiting strips 4 is inserted and connected with a limiting cavity 5 opened on the heat exchange plate 1, the fixing mechanism includes a first fixing plate 6, the first fixing plate 6 is arranged at one end of the heat exchange plate 1, three groups of fixing screws 61 are installed in the first fixing plate 6, the ends of the three groups of fixing screws 61 are connected with a second fixing plate 62, a hot medium port 63 is opened in the side wall of the first fixing plate 6, a cold medium port 64 is opened on the outer surface of the first fixing plate 6, and the outer surfaces of the hot medium port 63 and the cold medium port 64 are provided with a fixing rod 65 fixedly connected with the first fixing plate 6.

[0031] By adopting the above technical scheme, the multiple heat exchange plates 1 are assembled, the limiting cavity 5 opened on the heat exchange plate 1 can play a positioning role under the cooperation of the limiting strip 4, thereby ensuring the close fit between the rubber rings 2 and playing a sealing role, after assembly is completed, the first fixing plate 6 and the second fixing plate 62 are respectively placed on both sides of the heat exchange plate 1, the first fixing plate 6 and the second fixing plate 62 are fixed by using the fixing screw 61, then the hot medium port 63 and the cold medium port 64 are connected with the external heat exchange medium and the heat medium pipe, and the fixing rod 65 is convenient for connecting and fixing the flange and the hot medium port 63 and the cold medium port 64.

[0032] Working principle: the hot medium port 63 and the cold medium port 64 are connected with the external heat exchange medium and the heat medium pipe, the fixing rod 65 is convenient for connecting and fixing the flange and the hot medium port 63 and the cold medium port 64, the heat exchange medium and the heat medium respectively enter the cold medium cavity 32 and the heat medium cavity 33, the heat conducting plate 3 can play a heat conducting role, so that the heat of the heat medium can be transferred to the heat exchange liquid, and the heat pipe 31 can play a better heat conducting role, when the pressure of the heat exchange medium or the heat medium is too large to flow into the inside, the adjusting plate 34 is pushed to move horizontally into the mounting cavity 39, at this time, the space inside the cold medium cavity 32 or the heat medium cavity 33 is increased, thereby reducing the flow channel speed of the medium, ensuring the heat exchange effect of the medium, and when the adjusting plate 34 moves, the compression spring 38 is pushed to be compressed, in the process of elongation of the compression spring 38 itself, the adjusting plate 34 is pushed to reset, the limiting plate 35 can play a limiting role, by rotating the adjusting screw 36, the guide rod provided on the outer wall of the compression pipe 37 makes the adjusting screw 36 rotate to drive the threaded connection compression pipe 37 to move horizontally, so that the tension of the compression spring 38 can be adjusted.

[0033] Finally, it should be noted that: the above embodiments are used to illustrate the technical solutions of the present application, but not limited to them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A plate heat exchanger with adjustable flow channels, comprising heat exchange plates (1), characterised in that: Two groups of rubber rings (2) are arranged on both sides of the heat exchange plate (1), the heat exchange plate (1) is internally provided with a heat exchange mechanism for heat exchange of medium, and one end of the heat exchange plate (1) is provided with a fixing mechanism for fixing. The heat exchange mechanism comprises a heat conducting plate (3) fixed in the vertical direction inside the heat exchange plate (1), a plurality of heat pipes (31) are equidistantly penetrated in the horizontal direction inside the heat conducting plate (3), a cold medium cavity (32) is arranged on the inner wall of the heat exchange plate (1) on the left side of the heat conducting plate (3), a hot medium cavity (33) is arranged on the inner wall of the heat exchange plate (1) on the right side of the heat conducting plate (3), and installation cavities (39) are arranged at both ends inside the heat exchange plate (1).

2. A plate heat exchanger with adjustable flow channels according to claim 1, characterized in that The side wall of the adjusting plate (34) is provided with a limiting plate (35) fixedly connected with the inner wall of the heat exchange plate (1), and the inside of the adjusting plate (34) is rotatably connected with an adjusting screw rod (36).

3. A plate heat exchanger with adjustable flow channels according to claim 2, characterized in that: The adjusting screw rod (36) is rotatably connected with the heat exchange plate (1), the outer surface of the adjusting screw rod (36) is threadedly connected with a pressing pipe (37), one side of the pressing pipe (37) is abuttingly connected with a pressing spring (38) sleeved on the adjusting screw rod (36), and the tail end of the pressing spring (38) is abuttingly connected with the adjusting plate (34).

4. The plate heat exchanger of claim 1, wherein: The side wall of the heat exchange plate (1) is symmetrically fixed with two limiting strips (4), and one side of each of the two limiting strips (4) is insertedly connected with a limiting cavity (5) arranged on the heat exchange plate (1).

5. The plate heat exchanger of claim 1, wherein: The fixing mechanism comprises a first fixing plate (6) arranged at one end of the heat exchange plate (1).

6. A plate heat exchanger with adjustable flow channels according to claim 5, characterized in that: The inside of the first fixing plate (6) is provided with three groups of fixing screw rods (61), and the tail ends of the three groups of fixing screw rods (61) are connected with a second fixing plate (62).

7. A plate heat exchanger with adjustable flow channels according to claim 6, characterized in that: The side wall of the first fixing plate (6) is provided with a hot medium port (63), the outer surface of the first fixing plate (6) is provided with a cold medium port (64), and the outer surfaces of the hot medium port (63) and the cold medium port (64) are provided with a fixing rod (65) fixedly connected with the first fixing plate (6).

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