A heat exchanger with a condensable porous flow-stabilizing device and variable length

Abstract

The application is suitable for the field of heat exchangers, and provides a length-variable condensable porous steady flow device heat exchanger, which comprises a mounting plate and further comprises a first supporting frame, a second supporting frame, an outer sleeve, a first end cover, a second end cover, a sliding support, a length adjusting assembly, a heat exchange pipe, a pressure sealing assembly, a first mounting plate and a second mounting plate; the outer sleeve comprises a first outer sleeve and a second outer sleeve, and the heat exchange pipe comprises a first heat exchange pipe and a second heat exchange pipe. Cooling water enters the second outer sleeve from a water inlet, flows out from a water outlet after passing through the first outer sleeve, material enters the second end cover from a material inlet, then enters the first end cover by passing through the first heat exchange pipe and the second heat exchange pipe, the material exchanges heat with the cooling water when passing through the first heat exchange pipe and the second heat exchange pipe, and then is discharged from a material outlet, when the heat exchange stroke is adjusted, the length adjusting assembly changes the length of the outer sleeve and the heat exchange pipe by moving the sliding support.

Description

Technical Field

[0001] The invention belongs to the field of heat exchangers, and in particular relates to a heat exchanger with a length-variable condensable porous flow stabilizing device. Background Art

[0002] A heat exchanger is a device that transfers part of the heat of a hot fluid to a cold fluid. It is also called a heat exchanger. The specific principle is that the cooled fluid flows in the tube, and water and air flow outside the tube at the same time. The heat of the fluid in the tube is transferred to the air through the water outside the tube to achieve the purpose of cooling.

[0003] The rated capacity of the existing heat exchanger is fixed. When cooling materials with higher temperatures, the heat exchange stroke of the materials in the heat exchanger is fixed, and the heat exchange time is also relatively fixed, resulting in limited cooling effect on the materials. At the same time, when cooling materials with lower temperatures, the cooling of the materials can be completed very quickly. However, due to the fixed stroke of the heat exchanger, the heat exchange time of the materials in the heat exchanger cannot be adjusted, resulting in inconvenience in the use of cooling water and waste of energy. Summary of the Invention

[0004] The purpose of the embodiment of the present invention is to provide a condensable porous flow stabilizing device heat exchanger with variable length, aiming to solve the problem that the heat exchange stroke of the existing heat exchanger cannot be adjusted, resulting in limited cooling effect on the material and waste of energy.

[0005] The present invention is achieved by providing a condensable porous flow stabilizing device heat exchanger with variable length, comprising a mounting plate and:

[0006] a first support frame, a second support frame, an outer sleeve, a first end cover, a second end cover, a sliding bracket, a length adjustment assembly, a heat exchange tube, a pressure sealing assembly, a first mounting plate, and a second mounting plate;

[0007] and a heat exchanger configured to connect the heat exchanger to the heat exchanger, wherein the heat exchanger comprises a first heat exchanger and a second heat exchanger, the first heat exchanger and the second end cover are respectively fixedly mounted on the mounting plate by a second support frame and a first support frame, the first heat exchanger and the second end cover are fixedly connected, the first heat exchanger and the second end cover are respectively provided with a water outlet and a feed inlet, the second heat exchanger is arranged on the mounting plate by a sliding bracket, the second heat exchanger is provided with a water inlet, the second heat exchanger is slidably connected in the first heat exchanger, and the second heat exchanger is fixedly connected to the first end cover, the first end cover is provided with a discharge port, the first mounting plate and the second mounting plate are respectively fixedly mounted in the first heat exchanger and the second heat exchanger, and a plurality of first heat exchanger tubes, second heat exchanger tubes and pressure sealing assemblies are provided, the first heat exchanger tube and the second heat exchanger tube are respectively fixedly mounted on the first mounting plate and the second mounting plate, and the second heat exchanger tube is slidably connected in the first heat exchanger, and the pressure sealing assembly is arranged at the end of the second heat exchanger or the second heat exchanger;

[0008] The length adjustment component is arranged on the mounting plate, and the length adjustment component changes the length of the outer sleeve and the heat exchange tube by driving the sliding bracket to move. The pressure sealing component seals the first outer sleeve and the second outer sleeve by the pressure inside the outer sleeve, and the pressure sealing component seals the first heat exchange tube and the second heat exchange tube by the pressure inside the heat exchange tube.

[0009] A further technical solution is that the length adjustment assembly includes an adjustment slot, an adjustment rod, a fixed block and a motor, the adjustment slot is arranged on a mounting plate, the sliding bracket is slidably connected in the adjustment slot, the fixed block is fixedly mounted on the mounting plate, the two ends of the adjustment rod are respectively rotatably connected to the second support frame and the fixed block, the motor is fixedly mounted on the fixed block, and the rotating end of the motor is fixedly connected to the adjustment rod, and the adjustment rod is threadedly engaged with the sliding bracket.

[0010] According to a further technical solution, a fastening screw is threadedly connected to the sliding bracket, and the end of the fastening screw abuts against the adjusting rod.

[0011] According to a further technical solution, a flow stabilizing block is provided in each of the first heat exchange tube and the second heat exchange tube, and a plurality of through holes are provided on the flow stabilizing block.

[0012] According to a further technical solution, a first sealing ring is provided between the first outer sleeve and the second end cover, and between the second outer sleeve and the first end cover.

[0013] Further technical solutions, the pressure sealing assembly comprises a mounting groove, a second sealing ring, a sliding groove, a sliding ring, a third sealing ring, a first sliding groove, a first sliding block, a push block, a first sealing block and a first compression spring, the mounting groove is arranged at the end of the second outer sleeve pipe or the second heat exchange pipe, the second sealing ring is arranged in the mounting groove, and the cross section shape of the mounting groove is L-shaped, the sliding groove is arranged in the second outer sleeve pipe or the second heat exchange pipe, the sliding ring is slidably connected in the sliding groove, the third sealing ring is sleeved on the side wall of the sliding ring, and the third sealing ring is in contact with the inner wall of the first outer sleeve pipe or the first heat exchange pipe, the first sliding groove is arranged in the second outer sleeve pipe or the second heat exchange pipe, the first sliding block is slidably connected in the first sliding groove, the push block and the first sealing block are fixedly arranged at the two ends of the first sliding block respectively, the first compression spring is sleeved on the first sealing block, and the two ends of the first compression spring are connected with the inner wall of the first sliding block and the first sliding groove respectively, the push block is in sliding cooperation with the sliding ring, and the contact surface of the push block and the sliding ring is a slope, and the first sliding groove, the first sliding block, the push block, the first sealing block and the first compression spring are arranged in a plurality of annular shapes with the axis of the sliding ring as the center.

[0014] Further technical solutions, the pressure sealing assembly further comprises a second sliding groove, a second sliding block, a connecting block, a second sealing block and a second compression spring, the second sliding groove is arranged in the second outer sleeve pipe or the second heat exchange pipe, the second sliding block is slidably connected in the second sliding groove, the connecting block and the second sealing block are fixedly arranged at the two ends of the second sliding block respectively, and the second compression spring is sleeved on the second sealing block, and the two ends of the second compression spring are connected with the inner wall of the second sliding block and the second sliding groove respectively.

[0015] The length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the application has the advantages that when in use, cooling water enters the second outer sleeve pipe from the water inlet, flows out from the water outlet after passing through the first outer sleeve pipe, material enters the second end cover from the material inlet, then enters the first end cover after passing through the first heat exchange pipe and the second heat exchange pipe, the material exchanges heat with the cooling water when passing through the first heat exchange pipe and the second heat exchange pipe, and then is discharged from the material outlet; when the heat exchange stroke is adjusted, the length adjusting assembly changes the length of the outer sleeve pipe and the heat exchange pipe by moving the sliding support; when the pressure in the outer sleeve pipe or the heat exchange pipe is too large, the pressure sealing assembly seals the first outer sleeve pipe and the second outer sleeve pipe by the pressure in the outer sleeve pipe; the pressure sealing assembly seals the first heat exchange pipe and the second heat exchange pipe by the pressure in the heat exchange pipe, thereby preventing the material or the cooling water from flowing out from the gap between the first outer sleeve pipe and the second outer sleeve pipe or the gap between the first heat exchange pipe and the second heat exchange pipe due to the excessive pressure in the outer sleeve pipe or the heat exchange pipe, and improving the safety of the heat exchanger. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1A structural schematic diagram of a length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure.

[0017] Figure 2 A structural schematic diagram of the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure. Figure 1 A sectional structural schematic diagram of the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure.

[0018] Figure 3 A structural schematic diagram of the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure. Figure 1 A structural schematic diagram of the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure.

[0019] Figure 4 A structural schematic diagram of the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure. Figure 2 An enlarged structural schematic diagram of A in the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure.

[0020] Figure 5 An enlarged structural schematic diagram of B in the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure. Figure 2 An enlarged structural schematic diagram of C in the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure.

[0021] Figure 6 An enlarged structural schematic diagram of D in the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure. Figure 4 An enlarged structural schematic diagram of D in the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure.

[0022] Figure 7 An enlarged structural schematic diagram of D in the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure. Figure 5 An enlarged structural schematic diagram of D in the length-variable condensable porous flow stabilizing device heat exchanger provided by the embodiment of the present application is shown in the figure.

[0023] In the figure, mounting plate 1, first support frame 2, second support frame 3, first outer sleeve 4, water outlet 401, second outer sleeve 5, water inlet 501, first end cover 6, discharge port 601, second end cover 7, feed port 701, first sealing ring 8, sliding support 9, length adjusting assembly 10, adjusting sliding groove 1001, adjusting rod 1002, fixed block 1003, motor 1004, first heat exchange pipe 11, second heat exchange pipe 12, flow stabilizing block 13, through hole 1301, pressure sealing assembly 14, mounting groove 1401, second sealing ring 1402, sliding groove 1403, sliding ring 1404, third sealing ring 1405, first sliding groove 1406, first sliding block 1407, push block 1408, first sealing block 1409, first compression spring 1410, second sliding groove 1411, second sliding block 1412, connecting block 1413, second sealing block 1414, second compression spring 1415, first mounting plate 15, second mounting plate 16. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present application clearer, the present application is further described in detail below in combination with the figures and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and do not limit the present application.

[0025] The specific implementation of the present application is described in detail below in combination with specific embodiments.

[0026] like Figure 1 and Figure 2 As shown, a condensable porous flow stabilizing device heat exchanger with variable length provided by one embodiment of the present invention includes a mounting plate 1 and further includes:

[0027] First support frame 2, second support frame 3, outer sleeve, first end cover 6, second end cover 7, sliding bracket 9, length adjustment assembly 10, heat exchange tube, pressure sealing assembly 14, first mounting plate 15 and second mounting plate 16;

[0028] The outer sleeve includes a first outer sleeve 4 and a second outer sleeve 5, the heat exchange tube includes a first heat exchange tube 11 and a second heat exchange tube 12, the first outer sleeve 4 and the second end cover 7 are fixedly mounted on the mounting plate 1 through the second support frame 3 and the first support frame 2 respectively, the first outer sleeve 4 and the second end cover 7 are fixedly connected, the first outer sleeve 4 and the second end cover 7 are respectively provided with a water outlet 401 and a feed port 701, the second outer sleeve 5 is provided on the mounting plate 1 through a sliding bracket 9, the second outer sleeve 5 is provided with a water inlet 501, the second outer sleeve 5 is slidably connected to the first outer sleeve 4, and The second outer sleeve 5 is fixedly connected to the first end cover 6. The first end cover 6 is provided with a discharge port 601. The first mounting plate 15 and the second mounting plate 16 are fixedly mounted in the first outer sleeve 4 and the second outer sleeve 5, respectively. The first heat exchange tube 11, the second heat exchange tube 12 and the pressure sealing assembly 14 are each provided in plurality. The first heat exchange tube 11 and the second heat exchange tube 12 are fixedly mounted on the first mounting plate 15 and the second mounting plate 16, respectively. The second heat exchange tube 12 is slidably connected in the first heat exchange tube 11. The pressure sealing assembly 14 is provided at the end of the second outer sleeve 5 or the second heat exchange tube 12.

[0029] The length adjustment component 10 is arranged on the mounting plate 1. The length adjustment component 10 changes the length of the outer sleeve and the heat exchange tube by driving the sliding bracket 9 to move. The pressure sealing component 14 seals the first outer sleeve 4 and the second outer sleeve 5 through the pressure inside the outer sleeve. The pressure sealing component 14 seals the first heat exchange tube 11 and the second heat exchange tube 12 through the pressure inside the heat exchange tube.

[0030] In the embodiment of the present invention, when in use, cooling water enters the second outer sleeve 5 from the water inlet 501, passes through the first outer sleeve 4 and then flows out from the water outlet 401, the material enters the second end cover 7 from the feed port 701, and then passes through the first heat exchange tube 11 and the second heat exchange tube 12 to enter the first end cover 6, the material exchanges heat with the cooling water when passing through the first heat exchange tube 11 and the second heat exchange tube 12, and then is discharged from the discharge port 601. When adjusting the heat exchange stroke, the length adjustment component 10 changes the outer sleeve and the heat exchange tube by driving the sliding bracket 9 to move. length, when the pressure in the outer sleeve or the heat exchange tube is too high, the pressure sealing component 14 seals the first outer sleeve 4 and the second outer sleeve 5 by the pressure in the outer sleeve, and the pressure sealing component 14 seals the first heat exchange tube 11 and the second heat exchange tube 12 by the pressure in the heat exchange tube, thereby preventing the material or cooling water from flowing out from the gap between the first outer sleeve 4 and the second outer sleeve 5 or the gap between the first heat exchange tube 11 and the second heat exchange tube 12 due to excessive pressure in the outer sleeve or the heat exchange tube, thereby improving the safety of the heat exchanger.

[0031] like Figure 1 and Figure 2 As shown, as a preferred embodiment of the present invention, the length adjustment component 10 includes an adjusting slot 1001, an adjusting rod 1002, a fixed block 1003 and a motor 1004, the adjusting slot 1001 is arranged on the mounting plate 1, the sliding bracket 9 is slidably connected in the adjusting slot 1001, the fixed block 1003 is fixedly mounted on the mounting plate 1, the two ends of the adjusting rod 1002 are respectively rotatably connected to the second support frame 3 and the fixed block 1003, the motor 1004 is fixedly mounted on the fixed block 1003, and the rotating end of the motor 1004 is fixedly connected to the adjusting rod 1002, and the adjusting rod 1002 is threadedly matched with the sliding bracket 9.

[0032] In an embodiment of the present invention, the motor 1004 drives the adjusting rod 1002 to rotate, and the adjusting rod 1002 drives the sliding bracket 9 to slide in the adjusting groove 1001 through threaded cooperation. The sliding bracket 9 drives the second outer sleeve 5 to move, and the second outer sleeve 5 drives the second heat exchange tube 12 to move synchronously.

[0033] like Figure 1 As shown, as a preferred embodiment of the present invention, a fastening screw is threadedly connected to the sliding bracket 9, and the end of the fastening screw abuts against the adjusting rod 1002.

[0034] In the embodiment of the present invention, after the adjustment of the sliding bracket 9 is completed, the fastening screw is tightened to limit the rotation of the adjustment rod 1002 .

[0035] like Figure 2 and Figure 3As shown in FIG. 1 , as a preferred embodiment of the present invention, a flow stabilizing block 13 is provided in each of the first heat exchange tube 11 and the second heat exchange tube 12 . A plurality of through holes 1301 are provided on the flow stabilizing block 13 .

[0036] In the embodiment of the present invention, the material undergoing heat exchange passes through the through hole 1301 to reduce vibration generated in the first heat exchange tube 11 and the second heat exchange tube 12 .

[0037] like Figure 1 As shown, as a preferred embodiment of the present invention, a first sealing ring 8 is provided between the first outer sleeve 4 and the second end cover 7 as well as between the second outer sleeve 5 and the first end cover 6.

[0038] In the embodiment of the present invention, the first sealing ring 8 provided between the first outer sleeve 4 and the second end cover 7 and between the second outer sleeve 5 and the first end cover 6 is used to improve the sealing performance of the outer sleeve and the heat exchange tube.

[0039] like Figure 2 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 As shown, as a preferred embodiment of the present invention, the pressure sealing assembly 14 includes a mounting groove 1401, a second sealing ring 1402, a sliding groove 1403, a sliding ring 1404, a third sealing ring 1405, a first sliding groove 1406, a first slider 1407, a push block 1408, a first sealing block 1409 and a first compression spring 1410, the mounting groove 1401 is arranged at the end of the second outer sleeve 5 or the second heat exchange tube 12, the second sealing ring 1402 is arranged in the mounting groove 1401, and the cross-sectional shape of the mounting groove 1401 is L-shaped, the sliding groove 1403 is arranged in the second outer sleeve 5 or the second heat exchange tube 12, the sliding ring 1404 is slidably connected in the sliding groove 1403, the third sealing ring 1405 is sleeved on the side wall of the sliding ring 1404, and the third sealing ring 1405 is connected to the first outer sleeve 5 or the second heat exchange tube 12. The first slide groove 1406 contacts the inner wall of the tube 4 or the first heat exchange tube 11, the first slide groove 1406 is arranged in the second outer sleeve 5 or the second heat exchange tube 12, the first slider 1407 is slidably connected in the first slide groove 1406, the push block 1408 and the first sealing block 1409 are respectively fixedly installed at both ends of the first slider 1407, the first compression spring 1410 is sleeved on the first sealing block 1409, and the two ends of the first compression spring 1410 are respectively connected to the first slider 1407 and the inner wall of the first slide groove 1406, the push block 1408 is slidably matched with the sliding ring 1404, and the contact surface of the push block 1408 and the sliding ring 1404 is an inclined surface, and the first slide groove 1406, the first slider 1407, the push block 1408, the first sealing block 1409 and the first compression spring 1410 are arranged in a ring with the axis of the sliding ring 1404 as the center.

[0040] In an embodiment of the present invention, when the pressure inside the outer sleeve or the heat exchange tube is too high, the high pressure inside the outer sleeve or the heat exchange tube pushes the sliding ring 1404 to move to the right, and the sliding ring 1404 pushes the push block 1408 to move toward the second sealing ring 1402 through the inclined surface. The push block 1408 overcomes the elastic force of the first compression spring 1410 and pushes the first slider 1407 to move toward the second sealing ring 1402. The first slider 1407 pushes the first sealing block 1409 to move toward the second sealing ring 1402. The first sealing block 1409 pushes the second sealing ring 1402 to be in close contact with the second outer sleeve 5 or the second heat exchange tube 12, thereby improving the sealing performance of the outer sleeve or the heat exchange tube.

[0041] like Figure 2 、 Figure 4 、 Figure 5 、 Figure 6 and Figure 7 As shown, as a preferred embodiment of the present invention, the pressure sealing assembly 14 also includes a second slide groove 1411, a second slider 1412, a connecting block 1413, a second sealing block 1414 and a second compression spring 1415. The second slide groove 1411 is arranged in the second outer sleeve 5 or the second heat exchange tube 12, and the second slider 1412 is slidably connected in the second slide groove 1411. The connecting block 1413 and the second sealing block 1414 are respectively fixedly mounted at both ends of the second slider 1412, and the second compression spring 1415 is sleeved on the second sealing block 1414. The two ends of the second compression spring 1415 are respectively connected to the inner walls of the second slider 1412 and the second slide groove 1411. The second slide groove 1411, the second slider 1412, the connecting block 1413, the second sealing block 1414 and the second compression spring 1415 are arranged in a ring with the axis of the sliding ring 1404 as the center.

[0042] In an embodiment of the present invention, when the pressure inside the outer sleeve or the heat exchange tube is too high, the high pressure inside the outer sleeve or the heat exchange tube pushes the sliding ring 1404 to move to the right, the sliding ring 1404 pushes the connecting block 1413 to move to the right, the connecting block 1413 overcomes the elastic force of the second compression spring 1415 and pushes the second slider 1412 to move to the right, the second slider 1412 pushes the second sealing block 1414 to move to the right, and the second sealing block 1414 pushes the second sealing ring 1402 to be in close contact with the second outer sleeve 5 or the second heat exchange tube 12, thereby improving the sealing performance of the outer sleeve or the heat exchange tube.

[0043] The above embodiment of the present invention provides a condensable porous flow stabilizing device heat exchanger with variable length. When in use, cooling water enters the second outer sleeve 5 from the water inlet 501, passes through the first outer sleeve 4 and then flows out from the water outlet 401. The material enters the second end cover 7 from the feed port 701, and then passes through the first heat exchange tube 11 and the second heat exchange tube 12 to enter the first end cover 6. The material exchanges heat with the cooling water when passing through the first heat exchange tube 11 and the second heat exchange tube 12, and then is discharged from the discharge port 601. When adjusting the heat exchange stroke, the motor 1004 drives the adjusting rod 1002 to rotate, and the adjusting rod 1002 drives the sliding bracket 9 to slide in the adjusting slot 1001 through threaded engagement. The sliding bracket 9 drives the second outer sleeve 5 to move, and the second outer sleeve 5 drives the second heat exchange tube 12 to move synchronously. The length of the outer sleeve and the heat exchange tube is changed by driving the sliding bracket 9 to move. When the pressure in the outer sleeve or the heat exchange tube is too high, the high pressure in the outer sleeve or the heat exchange tube pushes the sliding ring 1404 to move to the right, and the sliding ring 1404 pushes the push block 1408 to move toward the second sealing ring 1402 through the inclined surface. The push block 1408 overcomes the elastic force of the first compression spring 1410 and pushes the first slider 1407 to move toward the second sealing ring 1402. The first slider 1407 pushes the first sealing block 1409 to move toward the second sealing ring 1402. The first sealing block 1409 pushes the second sealing ring 1402 to close with the second outer sleeve 5 or the second heat exchange tube 12 Contact, the sliding ring 1404 pushes the connecting block 1413 to move to the right, the connecting block 1413 overcomes the elastic force of the second compression spring 1415 and pushes the second slider 1412 to move to the right, the second slider 1412 pushes the second sealing block 1414 to move to the right, and the second sealing block 1414 pushes the second sealing ring 1402 to make close contact with the second outer sleeve 5 or the second heat exchange tube 12, thereby avoiding gaps at the sliding fit between the first outer sleeve 4 and the second outer sleeve 5 or the sliding fit between the first heat exchange tube 11 and the second heat exchange tube 12, thereby improving the sealing of the outer sleeve or the heat exchange tube.

[0044] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A condensable porous flow stabilizing device heat exchanger with variable length, comprising a mounting plate, characterized in that: Also includes: a first support frame, a second support frame, an outer sleeve, a first end cover, a second end cover, a sliding bracket, a length adjustment assembly, a heat exchange tube, a pressure sealing assembly, a first mounting plate, and a second mounting plate; and a heat exchanger configured to connect the heat exchanger to the heat exchanger, wherein the heat exchanger comprises a first heat exchanger and a second heat exchanger, the first heat exchanger and the second end cover are respectively fixedly mounted on the mounting plate by a second support frame and a first support frame, the first heat exchanger and the second end cover are fixedly connected, the first heat exchanger and the second end cover are respectively provided with a water outlet and a feed inlet, the second heat exchanger is arranged on the mounting plate by a sliding bracket, the second heat exchanger is provided with a water inlet, the second heat exchanger is slidably connected in the first heat exchanger, and the second heat exchanger is fixedly connected to the first end cover, the first end cover is provided with a discharge port, the first mounting plate and the second mounting plate are respectively fixedly mounted in the first heat exchanger and the second heat exchanger, and a plurality of first heat exchanger tubes, second heat exchanger tubes and pressure sealing assemblies are provided, the first heat exchanger tube and the second heat exchanger tube are respectively fixedly mounted on the first mounting plate and the second mounting plate, and the second heat exchanger tube is slidably connected in the first heat exchanger, and the pressure sealing assembly is arranged at the end of the second heat exchanger or the second heat exchanger; The length adjustment assembly is arranged on the mounting plate, and the length adjustment assembly changes the length of the outer sleeve and the heat exchange tube by driving the sliding bracket to move. The pressure sealing assembly seals the first outer sleeve and the second outer sleeve by the pressure in the outer sleeve, and the pressure sealing assembly seals the first heat exchange tube and the second heat exchange tube by the pressure in the heat exchange tube. The length adjustment assembly includes an adjustment slot, an adjustment rod, a fixed block and a motor, the adjustment slot is arranged on a mounting plate, the sliding bracket is slidably connected in the adjustment slot, the fixed block is fixedly mounted on the mounting plate, the two ends of the adjustment rod are rotatably connected to the second support frame and the fixed block respectively, the motor is fixedly mounted on the fixed block, and the rotating end of the motor is fixedly connected to the adjustment rod, and the adjustment rod is threadedly engaged with the sliding bracket; The pressure sealing assembly includes a mounting groove, a second sealing ring, a sliding groove, a sliding ring, a third sealing ring, a first sliding groove, a first slider, a push block, a first sealing block and a first compression spring. The mounting groove is arranged at the end of the second outer sleeve or the second heat exchange tube, the second sealing ring is arranged in the mounting groove, and the cross-sectional shape of the mounting groove is L-shaped, the sliding groove is arranged in the second outer sleeve or the second heat exchange tube, the sliding ring is slidably connected in the sliding groove, the third sealing ring is sleeved on the side wall of the sliding ring, and the third sealing ring is connected to the first outer sleeve or the first heat exchange tube. The inner wall contacts, the first slide groove is arranged in the second outer sleeve or the second heat exchange tube, the first slider is slidably connected in the first slide groove, the push block and the first sealing block are respectively fixedly mounted on the two ends of the first slider, the first compression spring is sleeved on the first sealing block, and the two ends of the first compression spring are respectively connected to the first slider and the inner wall of the first slide groove, the push block and the sliding ring are slidably matched, and the contact surface between the push block and the sliding ring is an inclined surface, and the first slide groove, the first slider, the push block, the first sealing block and the first compression spring are arranged in a ring with the axis of the sliding ring as the center.

2. The condensable porous flow stabilizing device heat exchanger with variable length according to claim 1, characterized in that: A fastening screw is threadedly connected to the sliding bracket, and the end of the fastening screw abuts against the adjusting rod.

3. The length-variable condensable porous flow stabilizing device heat exchanger according to claim 1, characterized in that: A flow stabilizing block is provided in each of the first heat exchange tube and the second heat exchange tube, and a plurality of through holes are provided on the flow stabilizing block.

4. The condensable porous flow stabilizing device heat exchanger with variable length according to claim 1, characterized in that: A first sealing ring is provided between the first outer sleeve and the second end cover, and between the second outer sleeve and the first end cover.

5. The length-variable condensable porous flow stabilizing device heat exchanger according to claim 1, characterized in that: The pressure sealing assembly also includes a second slide groove, a second slider, a connecting block, a second sealing block and a second compression spring. The second slide groove is arranged in the second outer sleeve or the second heat exchange tube. The second slider is slidably connected in the second slide groove. The connecting block and the second sealing block are respectively fixedly mounted at both ends of the second slider. The second compression spring is sleeved on the second sealing block. The two ends of the second compression spring are respectively connected to the second slider and the inner wall of the second slide groove.

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