Plate heat exchanger performance test tool

Abstract

The utility model belongs to the technical field of heat exchanger testing, and particularly relates to a plate heat exchanger performance testing tool which comprises a base, a groove is formed in the upper surface of the base, a placing plate and a water collecting disc are arranged in the groove in a sleeved mode, the water collecting disc is placed on the placing plate, and the right end of the upper surface of the base is fixedly connected with the bottom end of a vertical plate. A mounting groove is formed in the vertical plate and connected with the fixing mechanism. When the plate-type heat exchanger testing device is used for testing a plate-type heat exchanger, the distance between the plurality of connecting pipes can be adjusted by using the first electric push rod and the second electric push rod according to the specification of the plate-type heat exchanger to be tested, so that the plurality of connecting pipes respectively correspond to a plurality of connecting pipe orifices of the plate-type heat exchanger; the device can be suitable for testing plate heat exchangers of different sizes and specifications, and the applicability of the device is effectively improved.

Description

Technical Field

[0001] This utility model belongs to the field of heat exchanger testing technology, specifically relating to a plate heat exchanger performance testing fixture. Background Technology

[0002] Plate heat exchangers are highly efficient heat exchange devices composed of a series of corrugated metal plates stacked together. These plates form narrow channels, allowing fluids at different temperatures to flow through adjacent channels and exchange heat through the plates. Plate heat exchangers offer numerous advantages. First, they have high heat transfer efficiency, achieving a large heat exchange area in a relatively small space, thus transferring heat quickly and effectively. Second, they are compact, lightweight, and relatively easy to install and maintain. Third, plate heat exchangers are highly adaptable, allowing for flexible combinations and adjustments according to different operating conditions and needs. Performance testing of plate heat exchangers is required.

[0003] Patent document CN 222748224 U discloses a performance testing fixture for a plate heat exchanger, including a fixed frame. The fixed frame is fixedly connected to a through-type hot fluid inlet pipe, a cold fluid outlet pipe, a hot fluid outlet pipe, and a cold fluid inlet pipe. Fluid temperature sensors, fluid flow sensors, and fluid pressure sensors are installed on each of the hot fluid inlet pipe, cold fluid outlet pipe, hot fluid outlet pipe, and cold fluid inlet pipe. The outer side of each fluid temperature sensor, fluid flow sensor, and fluid pressure sensor is equipped with a sealing shell. The two ends of the hot fluid inlet pipe, cold fluid outlet pipe, hot fluid outlet pipe, and cold fluid inlet pipe are connected to the plate heat exchanger and the fluid pipeline. The installation of fluid temperature sensors, fluid flow sensors, and fluid pressure sensors on the hot fluid inlet pipe, cold fluid outlet pipe, and cold fluid inlet pipe allows for the testing of the plate heat exchanger's performance and is very convenient to use.

[0004] However, the positions of the multiple connecting pipes of the above-mentioned device, such as the hot fluid inlet pipe, cold fluid outlet pipe, hot fluid outlet pipe, and cold fluid inlet pipe, are fixed, which means that the device can only be connected and tested with plate heat exchangers of fixed specifications, resulting in poor applicability. Furthermore, the device can only test the heat exchange performance of the heat exchanger and cannot simultaneously test the sealing performance of the heat exchanger, making its function relatively limited. Utility Model Content

[0005] The purpose of this invention is to provide a performance testing fixture for plate heat exchangers, which can adjust the spacing of multiple connecting pipes according to the specifications of the heat exchanger to be tested, and can simultaneously test the heat exchange performance and sealing performance of the heat exchanger.

[0006] The specific technical solution adopted by this utility model is as follows:

[0007] A plate heat exchanger performance testing fixture includes a base, the upper surface of which has a groove, a placement plate and a water collection tray are fitted inside the groove, the water collection tray is placed on the placement plate, the right end of the upper surface of the base is fixedly connected to the bottom end of a vertical plate, and the vertical plate has an installation groove, which is connected to a fixing mechanism.

[0008] The bottom surface of the placement plate is fixedly connected to the upper end of multiple pressure sensors, the bottom end of each pressure sensor is fixedly connected to the bottom of the groove, and each pressure sensor is electrically connected to the control panel, which is fixedly installed at the front end of the upright plate.

[0009] Furthermore, the fixing mechanism includes four fixing blocks, with the outer side of the fixing block on the lower front side being fixedly connected to the inner side of the mounting groove.

[0010] Furthermore, a slider is fixedly provided on the outer surface of the fixing block at the upper front side and the lower rear side, and the two sliders are slidably connected to the two sliding grooves respectively.

[0011] Furthermore, the two grooves are respectively formed on the lower and front inner sides of the mounting groove, and the cross-sections of the grooves and the slider are both T-shaped.

[0012] Furthermore, the rear sides of the two front fixing blocks are respectively fixedly connected to the front ends of the two electric push rods, and the rear ends of the two electric push rods are respectively fixedly connected to the front sides of the two rear fixing blocks.

[0013] Furthermore, the upper surfaces of the two lower fixing blocks are respectively fixedly connected to the bottom ends of the two electric push rods, and the upper ends of the two electric push rods are respectively fixedly connected to the bottom surfaces of the two upper fixing blocks.

[0014] Furthermore, each of the fixed blocks is fixedly connected to a connecting pipe, and each connecting pipe has a connecting flange fixedly installed at both ends. The multiple connecting pipes are respectively a hot fluid inlet pipe, a cold fluid outlet pipe, a hot fluid outlet pipe, and a cold fluid inlet pipe.

[0015] Furthermore, each of the connecting pipes is fixedly equipped with a fluid flow sensor and a fluid temperature sensor, and multiple fluid flow sensors, fluid temperature sensors, electric push rod one and electric push rod two are electrically connected to the control panel.

[0016] Furthermore, the bottom left side of the two lower fixing blocks is fixedly connected to the right side of the two mounting plates, and each mounting plate has a fixing groove inside.

[0017] Furthermore, the left ends of the two mounting plates are respectively fixedly connected to the upper ends of the two connecting frames, and multiple rolling rollers are rotatably connected inside each connecting frame.

[0018] The technical effects achieved by this utility model are as follows:

[0019] When testing a plate heat exchanger, this invention allows for the adjustment of the spacing between multiple connecting pipes using electric push rod one and electric push rod two, based on the specifications of the plate heat exchanger to be tested. This ensures that the multiple connecting pipes correspond to the multiple connecting pipe ports of the plate heat exchanger, making the device suitable for testing plate heat exchangers of different sizes and specifications, thus effectively improving the applicability of the device.

[0020] This invention features a groove on the base, within which a pressure sensor, a mounting plate, and a water collection tray are installed. After fixing the plate heat exchanger to the mounting plate and connecting multiple connecting pipes to the various ports of the plate heat exchanger, and during performance testing by introducing hot and cold fluid media into the plate heat exchanger, if leakage occurs, the leaking water droplets will drip from the plate heat exchanger into the water collection tray. At this time, the pressure sensor will generate an electrical signal to alert the tester that there is a sealing problem with the plate heat exchanger. Thus, this device can simultaneously perform performance and sealing tests on the plate heat exchanger. Attached Figure Description

[0021] Figure 1 This is a front view structural diagram of the present invention;

[0022] Figure 2 This is a schematic diagram of the water collection tray in this utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the neutral plate of this utility model;

[0024] Figure 4 This is a schematic diagram of the fixing mechanism in this utility model;

[0025] Figure 5 This is a schematic diagram of the connecting frame in this utility model.

[0026] The attached diagram lists the components represented by each number as follows:

[0027] 1. Base; 2. Groove; 3. Water collection tray; 4. Vertical plate; 5. Control panel; 6. Fixing mechanism; 61. Fixing block; 62. Connecting flange; 63. Connecting pipe; 64. Electric push rod one; 65. Slider; 66. Electric push rod two; 67. Fluid flow sensor; 68. Fluid temperature sensor; 69. Mounting plate; 610. Connecting frame; 611. Rolling roller; 612. Fixing groove; 7. Mounting groove; 8. Placement plate; 9. Pressure sensor; 10. Slide groove. Detailed Implementation

[0028] To make the objectives and advantages of this utility model clearer, the following detailed description is provided in conjunction with embodiments. It should be understood that the following text is merely used to describe one or more specific embodiments of this utility model and does not strictly limit the scope of protection specifically claimed by this utility model.

[0029] like Figure 1-5 As shown, a plate heat exchanger performance testing fixture includes a base 1, a groove 2 is provided on the upper surface of the base 1, a placement plate 8 and a water collection tray 3 are fitted inside the groove 2, the water collection tray 3 is placed on the placement plate 8, the right end of the upper surface of the base 1 is fixedly connected to the bottom end of the vertical plate 4, and an installation groove 7 is provided inside the vertical plate 4, the installation groove 7 is connected to the fixing mechanism 6.

[0030] The bottom surface of the placement plate 8 is fixedly connected to the upper end of multiple pressure sensors 9. The bottom ends of multiple pressure sensors 9 are all fixedly connected to the bottom of the groove 2. Multiple pressure sensors 9 are all electrically connected to the control panel 5. The control panel 5 is fixedly installed at the front end of the upright plate 4. A groove 2 is provided on the base 1, and pressure sensors 9, placement plate 8, and water collection tray 3 are installed in the groove 2. After the plate heat exchanger is fixed on the mounting plate 69 and multiple connecting pipes 63 are respectively connected to the multiple connecting pipe ports of the plate heat exchanger, during the performance test of the plate heat exchanger by inputting hot and cold fluid media into the plate heat exchanger, if the plate heat exchanger leaks, the leaking water droplets drip from the plate heat exchanger into the water collection tray 3. At this time, the pressure sensor 9 will generate an electrical signal to remind the tester that there is a sealing problem in the plate heat exchanger. Thus, this device can be used to simultaneously complete the performance and sealing tests of the plate heat exchanger.

[0031] The fixing mechanism 6 includes four fixing blocks 61, with the outer side of the lower front fixing block 61 being fixedly connected to the inner side of the mounting groove 7.

[0032] A slider 65 is fixedly installed on the outer side of the fixing block 61 on the upper front side and the lower rear side. The two sliders 65 are slidably connected to the two slide grooves 10 respectively. By setting sliders 65 on the outer side of some fixing blocks 61 and slidably connecting sliders 65 to slide grooves 10 opened in the mounting groove 7, the connection between slide grooves 10 and sliders 65 is used to fix and support the corresponding fixing blocks 61, effectively improving the stability of the corresponding fixing blocks 61 and connecting pipes 63.

[0033] Two slide grooves 10 are respectively opened on the lower side and the inner front side of the mounting groove 7. The cross-section of both the slide groove 10 and the slider 65 is T-shaped.

[0034] The rear sides of the two front fixing blocks 61 are fixedly connected to the front ends of the two electric push rods 64, and the rear ends of the two electric push rods 64 are fixedly connected to the front sides of the two rear fixing blocks 61.

[0035] The upper surfaces of the two lower fixing blocks 61 are fixedly connected to the bottom ends of the two electric push rods 66, and the upper ends of the two electric push rods 66 are fixedly connected to the bottom surfaces of the two upper fixing blocks 61. When testing the plate heat exchanger, the spacing of the multiple connecting pipes 63 can be adjusted using the electric push rods 64 and 66 according to the specifications of the plate heat exchanger to be tested. This allows the multiple connecting pipes 63 to correspond to the multiple connecting pipe ports of the plate heat exchanger, making the device suitable for testing plate heat exchangers of different sizes and specifications, thus effectively improving the applicability of the device.

[0036] Each fixed block 61 is fixedly connected to a connecting pipe 63. Each connecting pipe 63 has a connecting flange 62 fixedly installed at both ends. The multiple connecting pipes 63 are respectively hot fluid inlet pipe, cold fluid outlet pipe, hot fluid outlet pipe, and cold fluid inlet pipe.

[0037] Each connecting pipe 63 is fixedly equipped with a fluid flow sensor 67 and a fluid temperature sensor 68. Multiple fluid flow sensors 67, fluid temperature sensors 68, electric push rod one 64 and electric push rod two 66 are all electrically connected to the control panel 5. During the test, multiple fluid flow meters and fluid temperature sensors 68 are used to detect the flow rate and temperature of the cold and hot media at the inlet and outlet, respectively, thereby assisting the testers in judging the heat exchange performance of the heat exchanger.

[0038] The bottom left side of the two fixing blocks 61 is fixedly connected to the right side of the two mounting plates 69 respectively, and each mounting plate 69 has a fixing groove 612 inside.

[0039] The left ends of the two mounting plates 69 are fixedly connected to the upper ends of the two connecting frames 610 respectively. Each connecting frame 610 has multiple rolling rollers 611 rotatably connected inside. By setting the connecting frame 610 at the left end of the mounting plate 69 and setting the rolling rollers 611 inside the connecting frame 610, the user can push the plate heat exchanger to slide along the rolling rollers 611 when assembling or disassembling the plate heat exchanger, which makes it easy for the user to push the heat exchanger onto the mounting plate 69 or remove the heat exchanger from the mounting plate 69.

[0040] The working principle of this utility model is as follows: When using this device to test a plate heat exchanger, the user can control the extension and retraction of electric push rod 1 64 and electric push rod 2 66 according to the specifications of the plate heat exchanger to be tested. This adjusts the spacing of multiple fixing blocks 61, connecting pipes 63, and the spacing of the two mounting plates 69, so that the multiple connecting pipes 63 correspond to the multiple connecting pipe ports 63 of the plate heat exchanger. At this time, the user uses the rolling rollers 611 on both sides to push the plate heat exchanger onto the mounting plate 69, places the mounting ears on the front and rear sides of the bottom of the plate heat exchanger onto the two mounting plates 69 respectively, and can pass the fixing bolts through as needed. The plate heat exchanger is fixed by mounting the lugs and fixing grooves 612. Then, the left end of the connecting pipe 63 can be connected to the connecting pipe 63 port of the heat exchanger using the connecting flange 62, and the right end of the connecting pipe 63 can be connected to the fluid pipeline to input the hot and cold medium into the plate heat exchanger. During this process, multiple fluid flow meters and fluid temperature sensors 68 are used to detect the flow rate and temperature of the hot and cold medium at the inlet and outlet respectively. If the plate heat exchanger leaks during the test, the leaking water droplets will drip from the plate heat exchanger into the water collection pan 3. At this time, the pressure sensor 9 will generate an electrical signal to remind the tester that there is a sealing problem with the plate heat exchanger.

[0041] The above description is merely a preferred embodiment of this utility model. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications should also be considered within the scope of protection of this utility model. Structures, devices, and operating methods not specifically described or explained in this utility model, unless otherwise specified or limited, shall be implemented using conventional methods in the field.

Claims

1. A plate heat exchanger performance test tooling comprising a base (1), characterized in that: The upper surface of the base (1) is provided with a groove (2), and a placement plate (8) and a water collection tray (3) are fitted inside the groove (2). The water collection tray (3) is placed on the placement plate (8). The right end of the upper surface of the base (1) is fixedly connected to the bottom end of the upright plate (4). The upright plate (4) is provided with an installation groove (7), and the installation groove (7) is connected to the fixing mechanism (6). The bottom surface of the placement plate (8) is fixedly connected to the upper end of multiple pressure sensors (9), the bottom end of multiple pressure sensors (9) is fixedly connected to the bottom of the groove (2), and multiple pressure sensors (9) are electrically connected to the control panel (5). The control panel (5) is fixedly installed at the front end of the upright plate (4).

2. The plate heat exchanger performance testing fixture according to claim 1, characterized in that: The fixing mechanism (6) includes four fixing blocks (61), and the outer side of the fixing block (61) on the lower front side is fixedly connected to the inner side of the mounting groove (7).

3. The plate heat exchanger performance test kit of claim 2, wherein: A slider (65) is fixedly provided on the outer side of the fixed block (61) above the front side and below the rear side, and the two sliders (65) are slidably connected to the two slide grooves (10) respectively.

4. The plate heat exchanger performance test kit of claim 3, wherein: The two grooves (10) are respectively opened on the lower side and the front inner side of the mounting groove (7), and the cross-section of the grooves (10) and the slider (65) is T-shaped.

5. The plate heat exchanger performance test kit of claim 3, wherein: The rear sides of the two front fixing blocks (61) are respectively fixedly connected to the front ends of the two electric push rods (64), and the rear ends of the two electric push rods (64) are respectively fixedly connected to the front sides of the two rear fixing blocks (61).

6. The plate heat exchanger performance test kit of claim 5, wherein: The upper surfaces of the two lower fixing blocks (61) are fixedly connected to the bottom ends of the two electric push rods (66), and the upper ends of the two electric push rods (66) are fixedly connected to the bottom surfaces of the two upper fixing blocks (61).

7. The plate heat exchanger performance test kit of claim 6, wherein: Each of the fixed blocks (61) is fixedly connected to a connecting pipe (63), and each of the connecting pipes (63) is fixedly provided with connecting flanges (62) at both ends. The multiple connecting pipes (63) are respectively hot fluid inlet pipe, cold fluid outlet pipe, hot fluid outlet pipe, and cold fluid inlet pipe.

8. The plate heat exchanger performance test kit of claim 7, wherein: Each of the connecting pipes (63) is fixedly equipped with a fluid flow sensor (67) and a fluid temperature sensor (68). The multiple fluid flow sensors (67), fluid temperature sensors (68), electric push rod one (64) and electric push rod two (66) are all electrically connected to the control panel (5).

9. The plate heat exchanger performance testing tool of claim 7, wherein: The bottom left side of the two fixing blocks (61) on the lower side is fixedly connected to the right side of the two mounting plates (69), and each mounting plate (69) has a fixing groove (612) inside.

10. The plate heat exchanger performance testing fixture according to claim 9, characterized in that: The left ends of the two mounting plates (69) are fixedly connected to the upper ends of the two connecting frames (610), and multiple rolling rollers (611) are rotatably connected inside each connecting frame (610).

Images