Heat exchanger for heat exchange unit

Abstract

The application provides a heat exchanger for a heat exchange unit, and relates to the technical field of heat exchangers, which comprises a fixed clamping plate, a heat exchange sheet group and two control components, one side of the heat exchange sheet group is provided with a movable clamping plate, the heat exchange sheet group comprises multiple groups of second metal plates and first metal plates, the top of each of the second metal plates and the first metal plates is processed with a first water inlet hole and a second water outlet hole, the bottom of each of the second metal plates and the first metal plates is processed with a second water inlet hole and a first water outlet hole, the outer periphery of the surface of each of the second metal plates and the first metal plates is processed with a metal partition ring, a plurality of second guide strips are fixedly connected to the surface of the metal partition ring, and a plurality of first guide strips are fixedly connected to the surface of the first metal plate, and the technical key points are as follows: the multiple second guide strips on the second metal plates and the first guide strips on the first metal plates are used for guiding the flowing medium to move to both sides respectively, the time of high-temperature flowing medium and low-temperature flowing medium flowing and filling in the inner side of the metal partition ring can be shortened, and the heat exchange efficiency can be further improved.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of heat exchangers, and particularly relates to a heat exchanger for a heat exchange unit. BACKGROUND

[0002] The heat exchange unit is a commonly used equipment integration in a water-water and water-steam heat exchange system, which mainly comprises a heat exchanger, a temperature control valve group, a drain valve group, a circulating pump, an electric control cabinet, a base, a pipeline, a valve and an instrument, and can be additionally provided with an expansion tank, a water treatment device, a water pump frequency conversion control, a temperature control valve and a remote communication control, so as to form a complete heat exchange station.

[0003] The heat exchanger used in the existing heat exchange unit is mostly a plate type, which utilizes a series of metal sheets with a certain corrugated shape inside the device to form thin rectangular channels between various sheets, so that cold and hot media enter the sheets at the same time to exchange heat, and are simultaneously output to the outside, and has good heat exchange effect and small heat loss degree.

[0004] However, the present inventors found at least the following technical problems in the process of implementing the technical solutions in the embodiments of the present application:

[0005] First, two adjacent metal sheets participating in medium heat exchange generally input medium from one side and fill the other side, and in the working process of heat exchange, the medium is output to the outside from the bottom of the same side, which easily reduces the high and low temperature heat exchange time due to the medium filling the channels formed between the sheets, thereby affecting the heat exchange efficiency between the high and low temperature media.

[0006] Second, the medium working between the metal sheets has small heat loss degree, and it is not easy to control the medium temperature completing the heat exchange work. SUMMARY

[0007] In order to overcome the existing deficiencies, the embodiment of the present application provides a heat exchanger for heat exchange unit, by making high temperature flowing medium into the top of the inner side of the metal spacer ring on the first metal plate, guided to the bottom by a plurality of left-right symmetric first guide strips, making low temperature flowing medium into the bottom of the inner side of the metal spacer ring on the second metal plate, guided to the top by a plurality of left-right symmetric second guide strips, solve the problem that the existing heat exchanger affects the heat exchange efficiency between high and low temperature medium because the medium fills the channel formed between the plates for a long time, and reduces the high and low temperature heat exchange time.

[0008] The technical scheme adopted by the embodiment of the present application to solve the technical problem is:

[0009] A heat exchanger for heat exchange unit, comprising a three-part structure, respectively: fixed clamping plate, heat exchange fin group and two control components, the top of one side of the fixed clamping plate is fixedly connected with the first water inlet pipe and the second water outlet pipe, the bottom of one side of the fixed clamping plate is fixedly connected with the second water inlet pipe and the first water outlet pipe, the second water outlet pipe and the second water inlet pipe are located between the first water inlet pipe and the first water outlet pipe, one end of the second water outlet pipe and the second water inlet pipe is assembledly connected with a temperature sensor, and the detection end of the temperature sensor extends into the inside of the second water outlet pipe or the second water inlet pipe.

[0010] The heat exchange fin group is assembledly connected to one side of the fixed clamping plate, one side of the heat exchange fin group is provided with a movable clamping plate, the heat exchange fin group comprises a plurality of second metal plates and a plurality of first metal plates, the top of each of the second metal plate and the first metal plate is processed with a first water inlet hole and a second water outlet hole, the bottom of each of the second metal plate and the first metal plate is processed with a second water inlet hole and a first water outlet hole, and the second water outlet hole and the second water inlet hole are located between the first water inlet hole and the first water outlet hole.

[0011] Two control components are assembledly connected to one end of the first water inlet pipe and the first water outlet pipe, respectively, the control component comprises an electric push rod, the movable end of the electric push rod is fixedly connected with a control valve rod, the outer portion of the control valve rod is slidingly connected with a control valve frame, and the outer surface of the control valve frame is fixedly connected with one end of the first water inlet pipe.

[0012] Among them, the input end of the two temperature sensors is connected with the same processor, and the output end of the processor is connected with the input end of the electric push rod.

[0013] In a possible implementation, a plurality of limiting grooves are formed in the inside of the fixed clamping plate and the movable clamping plate, a same fastening screw is movably connected in the limiting groove on the fixed clamping plate and the movable clamping plate, and the one end of the fastening screw is threadedly connected with a fastening nut.

[0014] In a possible implementation, one side of the bottom of the fixed clamping plate is fixedly connected with a fastening nut, one side of the top of the fixed clamping plate is fixedly connected with an upper guide rod, the upper guide rod and one end of the guide rod support are fixedly connected with the same guide rod support, the upper guide rod is slidingly connected to the top of the movable clamping plate, the top of the movable clamping plate is hingedly connected with a roller, and the outer wall of the roller is in contact with the top end of the upper guide rod.

[0015] In a possible implementation, the outer periphery of the surface of the second metal plate and the first metal plate is processed with a metal partition ring, the surface of the metal partition ring is fixedly connected with a plurality of left-right symmetrical second guide strips, the surface of the first metal plate is fixedly connected with a plurality of left-right symmetrical first guide strips, and the inclined directions of the second guide strips and the first guide strips are opposite.

[0016] In a possible implementation, a first shunt strip is arranged between the upper and lower second guide strips, and a second shunt strip is arranged between the upper and lower first guide strips, and the inclined directions of the second shunt strip and the first shunt strip are opposite.

[0017] In a possible implementation, a gasket ring is arranged on the two sides of the second water outlet hole and the first water outlet hole on the second metal plate and on the two sides of the first water inlet hole and the second water inlet hole on the first metal plate.

[0018] In a possible implementation, the outer part of the fixed end of the electric push rod is assembled with a fixing frame, one end of the fixing frame is fixedly connected with a control valve frame, the outer surface of the control valve frame is fixedly connected with a positioning sliding plate, and the outer part of the positioning sliding plate is slidingly connected with a positioning sliding sleeve.

[0019] In a possible implementation, one end of the positioning sliding sleeve is fixedly connected with a mounting frame plate, and the four corners of the mounting frame plate are fixedly connected with the fixed clamping plate through bolts.

[0020] In a possible implementation, two water outlet pipe receiving grooves are formed in the inner part of the mounting frame plate, and the second water outlet pipe and the second water inlet pipe are movably connected in the inner part of the two water outlet pipe receiving grooves, respectively.

[0021] In a possible implementation, the top end and the bottom end of the mounting frame plate are provided with water inlet pipe clamping grooves, and the inner walls of the two water inlet pipe clamping grooves are in contact with the outer walls of the first water inlet pipe and the first water outlet pipe, respectively.

[0022] The application has the following beneficial effects:

[0023] First, in the scheme, by making the high-temperature flowing medium enter the top of the inner side of the metal spacer ring on the first metal plate, guided to the bottom by multiple left-right symmetrical first guide strips, the low-temperature flowing medium enters the bottom of the inner side of the metal spacer ring on the second metal plate, guided to the top by multiple left-right symmetrical second guide strips, the time of the high-temperature flowing medium and the low-temperature flowing medium flowing in the inner side of the metal spacer ring is shortened, and the heat exchange efficiency is further improved;

[0024] Second, in the scheme, by continuously monitoring the temperature of the medium inside the second water outlet pipe and the second water inlet pipe by two temperature sensors, and transmitting the monitoring data to the processor in real time for processing, the processor can control the size of the control valve frame side passage by using the electric push rod and the control valve rod, so as to control the amount of medium entering the first water inlet pipe or the first water outlet pipe inside per unit time, thereby controlling the temperature of the medium after heat exchange by controlling the ratio of high-temperature flowing medium and low-temperature flowing medium. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the overall structure schematic diagram of the present application;

[0026] Figure 2 It is the enlarged schematic diagram of A part in the present application Figure 1

[0027] Figure 3 It is the exploded view of the heat exchange fin group of the present application;

[0028] Figure 4 It is the enlarged schematic diagram of B part in the present application Figure 3

[0029] Figure 5 It is the enlarged schematic diagram of C part in the present application Figure 3

[0030] Figure 6 It is the connection structure schematic diagram of the fixed clamping plate and the movable clamping plate of the present application;

[0031] Figure 7 It is the enlarged schematic diagram of D part in the present application Figure 6

[0032] Figure 8 It is the connection structure schematic diagram of the control assembly and the mounting rack plate of the present application;

[0033] Figure 9 It is the exploded view of the control assembly of the present application.

[0034] ​​​​BRIEF DESCRIPTION OF DRAWINGS:1, guide rod support;2, upper guide rod;3, fastening screw;4, fixed clamp plate;5, first water inlet pipe;6, second water outlet pipe;7, control assembly;71, control valve frame;72, positioning slide plate;73, fixed frame;74, electric push rod;75, control valve rod;8, mounting frame plate;9, heat exchange fin group;901, first water inlet hole;902, second water outlet hole;903, first guide bar;904, second water inlet hole;905, first metal plate;906, first water outlet hole;907, grommet;908, second shunt bar;909, second guide bar;910, metal spacer ring;911, second metal plate;912, first shunt bar;10, second water inlet pipe;11, first water outlet pipe;12, limiting notch;13, movable clamp plate;14, fastening nut;15, temperature sensor;16, positioning sliding sleeve;17, water outlet pipe storage groove;18, water inlet pipe clamping groove;19, roller. DETAILED DESCRIPTION

[0035] The heat exchanger for heat exchange unit provided by the embodiment of the present application shortens the time for the high-temperature flow medium and the low-temperature flow medium to flow and fill in the inner side of the metal spacer ring 910, and increases the heat exchange time of the high-temperature flow medium and the low-temperature flow medium.

[0036] The technical solution in the embodiment of the present application is to solve the problems in the background art, and the general idea is as follows:

[0037] Embodiment 1

[0038] This embodiment introduces the specific structure of a heat exchanger for heat exchange unit, and specifically refers to Figures 1-9 As shown in the figure, it comprises:

[0039] The fixed clamp plate 4 is fixedly connected with the first water inlet pipe 5 and the second water outlet pipe 6 at the top of one side, and is fixedly connected with the second water inlet pipe 10 and the first water outlet pipe 11 at the bottom of one side, the second water outlet pipe 6 and the second water inlet pipe 10 are located between the first water inlet pipe 5 and the first water outlet pipe 11, and one end of the second water outlet pipe 6 and the second water inlet pipe 10 is assembledly connected with the temperature sensor 15, and the detection end of the temperature sensor 15 extends into the interior of the second water outlet pipe 6 or the second water inlet pipe 10;

[0040] Wherein, the high-temperature flow medium enters the heat exchange fin group 9 from the inside of the first water inlet pipe 5, and the low-temperature flow medium enters the heat exchange fin group 9 from the inside of the first water outlet pipe 11, after the high-temperature flow medium and the low-temperature flow medium complete the heat exchange work, the high-temperature flow medium is discharged from the inside of the second water inlet pipe 10, and the low-temperature flow medium is discharged from the inside of the second water outlet pipe 6, at the same time, the temperature sensor 15 installed on the second water outlet pipe 6 and the second water inlet pipe 10 continuously monitors the temperature of the medium inside the second water outlet pipe 6 and the second water inlet pipe 10, so as to facilitate real-time transmission of the monitoring data to the processor for processing;

[0041] In some examples, a plurality of limiting grooves 12 are formed in the inside of the fixed clamping plate 4 and the movable clamping plate 13, and the same fastening screw 3 is movably connected in the limiting grooves 12 on the fixed clamping plate 4 and the movable clamping plate 13, and by threadedly connecting a fastening nut 14 at one end of the fastening screw 3, the heat exchange fin group 9 between the fixed clamping plate 4 and the movable clamping plate 13 can be clamped, and the gaps at the connection positions of the first water inlet hole 901, the second water outlet hole 902, the second water inlet hole 904 and the first water outlet hole 906 can be eliminated, so that the low-temperature flow medium and the high-temperature flow medium can complete the heat exchange work in the inside of the heat exchange fin group 9;

[0042] In some examples, the fastening nut 14 is fixedly connected to one side of the bottom of the fixed clamping plate 4, the upper guide rod 2 is fixedly connected to one side of the top of the fixed clamping plate 4, the guide rod bracket 1 is fixedly connected to one end of the upper guide rod 2 and the guide rod bracket 1, the outer wall of the roller 19 hinged to the top of the movable clamping plate 13 is in contact with the top end of the upper guide rod 2, and when the movable clamping plate 13 is pushed to slide between the upper guide rod 2 and the fastening nut 14, the roller 19 rolls on the top end of the upper guide rod 2;

[0043] As Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 , the heat exchange fin group 9 is assembled and connected to one side of the fixed clamping plate 4, the movable clamping plate 13 is arranged on one side of the heat exchange fin group 9, the heat exchange fin group 9 includes a plurality of second metal plates 911 and first metal plates 905, the top of each of the second metal plates 911 and the first metal plates 905 is processed with the first water inlet hole 901 and the second water outlet hole 902, the bottom of each of the second metal plates 911 and the first metal plates 905 is processed with the second water inlet hole 904 and the first water outlet hole 906, and the second water outlet hole 902 and the second water inlet hole 904 are located between the first water inlet hole 901 and the first water outlet hole 906;

[0044] The first water inlet hole 901, the second water outlet hole 902, the second water inlet hole 904 and the first water outlet hole 906 on the second metal plate 911 and the first metal plate 905 are in communication with each other, and the flowing medium can enter the inside of the metal partition ring 910 through the first water outlet hole 906 or the first water inlet hole 901 by filling the gap with the first water inlet hole 901.

[0045] As Figure 6 , Figure 7 , Figure 8 and Figure 9 The two control assemblies 7 are assembled and fixedly connected at one end of the first water inlet pipe 5 and the first water outlet pipe 11, and the control assembly 7 comprises an electric push rod 74, the movable end of the electric push rod 74 is fixedly connected with a control valve rod 75, the outer part of the control valve rod 75 is slidingly connected with a control valve frame 71, and the outer surface of the control valve frame 71 is fixedly connected with one end of the first water inlet pipe 5.

[0046] The input ends of the two temperature sensors 15 are connected with the same processor, and after monitoring the temperatures of the flowing media in the second water outlet pipe 6 and the second water inlet pipe 10 respectively, the received temperature signals can be transmitted to the processor for processing, and the two electric push rods 74 are controlled to push the control valve rod 75 to slide in the control valve frame 71, so as to control the size of the channel at one end of the control valve frame 71.

[0047] In some examples, the outer part of the fixed end of the electric push rod 74 is assembled and fixedly connected with a fixing frame 73, one end of the fixing frame 73 is fixedly connected with the control valve frame 71, and before the control valve frame 71 is fixed with the first water inlet pipe 5 or the first water outlet pipe 11, the positioning sliding plate 72 fixed on the outer surface of the control valve frame 71 is inserted into the inside of the positioning sliding sleeve 16, and the positioning sliding sleeve 16 is used for positioning the control valve frame 71, so as to ensure the stability and structural strength of the control valve frame 71 after being connected with the first water inlet pipe 5 or the first water outlet pipe 11.

[0048] In some examples, the mounting frame plate 8 is fixedly connected at one end of the positioning sliding sleeve 16, and the bolts are installed at the four corners of the mounting frame plate 8, and one end of the bolts is threadedly connected with the fixed clamping plate 4, so that excessive machining work is not required on one side of the fixed clamping plate 4, and the machining difficulty is reduced.

[0049] In some examples, the second water outlet pipe 6 and the second water inlet pipe 10 are movably connected inside the two water outlet pipe receiving grooves 17 on the mounting plate 8, and the inner walls of the two water inlet pipe clamping grooves 18 opened at the top and bottom ends of the mounting plate 8 are in contact with the outer walls of the first water inlet pipe 5 and the first water outlet pipe 11, respectively. The first water inlet pipe 5, the second water outlet pipe 6, the second water inlet pipe 10 and the first water outlet pipe 11 can be used to position the mounting plate 8. The mounting plate 8 can protect the connection points of the first water inlet pipe 5, the second water outlet pipe 6, the second water inlet pipe 10 and the first water outlet pipe 11 and the fixed clamping plate 4, and ensure the structural strength after the connection of the first water inlet pipe 5, the second water outlet pipe 6, the second water inlet pipe 10 and the first water outlet pipe 11 and the fixed clamping plate 4.

[0050] By adopting the above technical scheme:

[0051] The above design continuously monitors the temperature of the medium inside the second water outlet pipe 6 and the second water inlet pipe 10 by using the temperature sensor 15 installed on the second water outlet pipe 6 and the second water inlet pipe 10, which facilitates real-time transmission of monitoring data to the processor in the prior art for processing. The processor controls the two electric push rods 74 to drive the control valve rod 75 to slide in the corresponding control valve frame 71, thereby controlling the size of the passage on one side of the control valve frame 71, facilitating control of the amount of medium entering the first water inlet pipe 5 or the first water outlet pipe 11 per unit time, thereby controlling the proportion of high-temperature flowing medium and low-temperature flowing medium in the heat exchange process, and further controlling the temperature of the medium after heat exchange is completed.

[0052] Embodiment 2:

[0053] Based on embodiment 1, this embodiment introduces the specific structure of the heat exchange fin set 9. The heat exchange fin set 9 includes multiple sets of second metal plates 911 and multiple sets of first metal plates 905. Metal separation rings 910 are machined on the outer periphery of the surfaces of the second metal plates 911 and the first metal plates 905. Multiple left-right symmetrical second guide strips 909 are fixedly connected to the surface of the metal separation ring 910. Multiple left-right symmetrical first guide strips 903 are fixedly connected to the surface of the first metal plate 905. The inclination directions of the second guide strips 909 and the first guide strips 903 are opposite. The two sides of the second water outlet holes 902 and the first water outlet holes 906 on the second metal plate 911 and the two sides of the first water inlet holes 901 and the second water inlet holes 904 on the first metal plate 905 are provided with grommets 907.

[0054] In some examples, first shunt strips 912 are arranged between the upper and lower second guide strips 909, and second shunt strips 908 are arranged between the upper and lower first guide strips 903. The inclination directions of the second shunt strips 908 and the first shunt strips 912 are opposite.

[0055] Wherein, the high-temperature flow medium enters the top of the inner side of the metal partition ring 910 on the first metal plate 905 from both ends of the first water inlet hole 901. In the process of the high-temperature flow medium flowing from the top to the bottom, it is first divided by the two first flow dividing strips 912 in the center and guided to both sides by the plurality of left-right symmetrical first guide strips 903, effectively shortening the time of the high-temperature medium flowing and filling from one side to the other side of the first metal plate 905 in the prior art.

[0056] Secondly, the low-temperature flow medium enters the bottom of the inner side of the metal partition ring 910 on the second metal plate 911 from both ends of the first water outlet hole 906. In the process of the high-temperature flow medium flowing from the bottom to the top, it is first divided by the two second flow dividing strips 908 in the center and guided to both sides by the plurality of left-right symmetrical second guide strips 909, effectively shortening the time of the low-temperature medium flowing and filling from one side to the other side of the first metal plate 905 in the prior art.

[0057] In the specific use process,

[0058] The operation steps of the user are:

[0059] S1, input the high-temperature flow medium from the inside of the control valve frame 71 connected to one end of the first water inlet pipe 5 to the inside of the heat exchange fin group 9, and input the low-temperature flow medium from the inside of the control valve frame 71 connected to one end of the first water outlet pipe 11 to the inside of the heat exchange fin group 9;

[0060] S2, the high-temperature flow medium enters the top of the inner side of the metal partition ring 910 on the first metal plate 905 from both ends of the first water inlet hole 901, and is first divided by the two first flow dividing strips 912 in the center and guided to both sides by the plurality of left-right symmetrical first guide strips 903. The low-temperature flow medium enters the bottom of the inner side of the metal partition ring 910 on the second metal plate 911 from both ends of the first water outlet hole 906, and is first divided by the two second flow dividing strips 908 in the center and guided to both sides by the plurality of left-right symmetrical second guide strips 909. The high-temperature flow medium and the low-temperature flow medium flow to both sides to perform heat exchange work.

[0061] S3, the high-temperature flow medium that has completed heat exchange flows out from the inside of the second water inlet pipe 10, and the flow medium that has completed heat exchange flows out from the inside of the second water outlet pipe 6, and at the same time, the temperature of the flow medium inside the second water inlet pipe 10 and the second water outlet pipe 6 is monitored by the two positioning sliding sleeves 16 respectively;

[0062] S4, the temperature sensor 15 continuously monitors the temperature of the medium inside the second water outlet pipe 6 and the second water inlet pipe 10, and transmits the monitoring data to the processor in the prior art in real time for processing. The processor controls the two electric push rods 74 to drive the control valve rod 75 to slide in the corresponding control valve frame 71, so as to control the size of the passage on one side of the control valve frame 71.

[0063] By adopting the technical scheme above:

[0064] The above design shortens the time of high-temperature flow medium and low-temperature flow medium flowing and filling in the inner side of the metal partition ring 910, increases the heat exchange time of the high-temperature flow medium and the low-temperature flow medium, and facilitates further improving the heat exchange efficiency.

[0065] Finally, it should be noted that: Obviously, the above examples are only examples for clearly illustrating the present application, and are not limitations on the embodiments. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A heat exchanger for a heat exchanging unit, characterized by comprising: The utility model relates to a heat exchange device, including: The fixed clamping plate (4) one side top fixed type connection has first water inlet pipe (5) and second water outlet pipe (6), the fixed clamping plate (4) one side bottom fixed type connection has second water inlet pipe (10) and first water outlet pipe (11), second water outlet pipe (6) and second water inlet pipe (10) are located between first water inlet pipe (5) and first water outlet pipe (11), one end of second water outlet pipe (6) and second water inlet pipe (10) are assembled type connection has temperature sensor (15), the detection end of temperature sensor (15) stretches into the inside of second water outlet pipe (6) or second water inlet pipe (10); The heat exchange fin group (9) is assembled to one side of the fixed clamping plate (4), one side of the heat exchange fin group (9) is provided with a movable clamping plate (13), the heat exchange fin group (9) includes a plurality of second metal plates (911) and a plurality of first metal plates (905), the top of the second metal plate (911) and the first metal plate (905) is processed with a first water inlet hole (901) and a second water outlet hole (902), the bottom of the second metal plate (911) and the first metal plate (905) is processed with a second water inlet hole (904) and a first water outlet hole (906), the second water outlet hole (902) and the second water inlet hole (904) are located between the first water inlet hole (901) and the first water outlet hole (906); and Two control assemblies (7) are assembled to one end of the first water inlet pipe (5) and the first water outlet pipe (11) respectively, the control assembly (7) includes an electric push rod (74), the movable end of the electric push rod (74) is fixedly connected with a control valve rod (75), the outer part of the control valve rod (75) is slidably connected with a control valve frame (71), the outer surface of the control valve frame (71) is fixedly connected with one end of the first water inlet pipe (5); Wherein, the input end of the two temperature sensors (15) is connected with the same processor, and the output end of the processor is connected with the input end of the electric push rod (74).

2. A heat exchanger for a heat exchanger unit as claimed in claim 1, characterized in that: A plurality of limiting grooves (12) are formed in the inside of the fixed clamping plate (4) and the movable clamping plate (13), the same fastening screw (3) is movably connected in the limiting grooves (12) on the fixed clamping plate (4) and the movable clamping plate (13), one end of the fastening screw (3) is threadedly connected with a fastening nut (14).

3. The heat exchanger of claim 1, wherein: One side of the bottom of the fixed clamping plate (4) is fixedly connected with a fastening nut (14), one side of the top of the fixed clamping plate (4) is fixedly connected with an upper guide rod (2), the upper guide rod (2) and one end of the guide rod support (1) are fixedly connected with the same guide rod support (1), the upper guide rod (2) is slidably connected to the top of the movable clamping plate (13), the top of the movable clamping plate (13) is hingedly connected with a roller (19), the outer wall of the roller (19) is in contact with the top end of the upper guide rod (2).

4. The heat exchanger of claim 1, wherein: The outer periphery of the surface of the second metal plate (911) and the first metal plate (905) is processed with a metal partition ring (910), the surface of the metal partition ring (910) is fixedly connected with a plurality of left-right symmetrical second guide strips (909), the surface of the first metal plate (905) is fixedly connected with a plurality of left-right symmetrical first guide strips (903), and the inclination directions of the second guide strips (909) and the first guide strips (903) are opposite.

5. A heat exchanger for a heat exchanger unit as claimed in claim 4, characterized in that: First shunt strips (912) are arranged between the upper and lower second guide strips (909), second shunt strips (908) are arranged between the upper and lower first guide strips (903), and the inclination directions of the second shunt strips (908) and the first shunt strips (912) are opposite.

6. A heat exchanger for a heat exchanger unit as claimed in claim 1, characterized in that: The two sides of the second water outlet hole (902) and the first water outlet hole (906) on the second metal plate (911) and the two sides of the first water inlet hole (901) and the second water inlet hole (904) on the first metal plate (905) are provided with grommets (907).

7. A heat exchanger for use in a heat exchanger train as claimed in claim 1, wherein: The fixed end of the electric push rod (74) is externally assembled and fixedly connected with a fixing frame (73), one end of the fixing frame (73) is fixedly connected with a control valve frame (71), the outer surface of the control valve frame (71) is fixedly connected with a positioning sliding plate (72), and the outer portion of the positioning sliding plate (72) is slidingly connected with a positioning sliding sleeve (16).

8. A heat exchanger for a heat exchanger unit as claimed in claim 7, characterized in that: One end of the positioning sliding sleeve (16) is fixedly connected with a mounting rack plate (8), and the four corners of the mounting rack plate (8) are fixedly connected with a fixed clamping plate (4) through bolts.

9. A heat exchanger for a heat exchanger unit as claimed in claim 8, characterized in that: Two water outlet pipe receiving grooves (17) are formed in the inner portion of the mounting rack plate (8), and the second water outlet pipe (6) and the second water inlet pipe (10) are movably connected in the inner portions of the two water outlet pipe receiving grooves (17), respectively.

10. A heat exchanger for a heat exchanger unit as claimed in claim 8, characterized in that: Water inlet pipe clamping grooves (18) are formed at the top end and the bottom end of the mounting rack plate (8), and the inner walls of the two water inlet pipe clamping grooves (18) are in contact with the outer walls of the first water inlet pipe (5) and the first water outlet pipe (11), respectively.

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