Anti-clogging plate heat exchanger
By installing a filter box and filter screen in the plate heat exchanger and using a drive motor to drive the threaded rod to achieve automated cleaning, the problem of plate heat exchanger clogging is solved, and the filtration efficiency and service life are improved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHANDONG CHENDONG ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
- Filing Date
- 2025-07-16
- Publication Date
- 2026-05-29
AI Technical Summary
When using existing plate heat exchangers, the lack of filtration devices when external water enters the interior can easily lead to blockage, affecting heat exchange efficiency and reducing service life.
A filter box and filter screen are installed in the plate heat exchanger. The filter box contains multiple sets of filter screens and cleaning components. A drive motor drives a threaded rod to move the connecting frame up and down, realizing automated cleaning of external impurities on the filter screen. Combined with filter screens of different apertures and collection boxes, the filtration burden is reduced and dust is collected.
It effectively prevents impurities from entering, automatically cleans the filter screen, improves filtration efficiency and service life, and increases the practicality of the device.
Smart Images

Figure CN224302845U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plate heat exchanger technology, specifically to an anti-clogging plate heat exchanger. Background Technology
[0002] A plate heat exchanger is a high-efficiency heat exchanger composed of a series of metal plates with a specific corrugated shape. Thin rectangular channels are formed between the plates, through which heat exchange occurs. Plate heat exchangers are ideal for liquid-liquid and liquid-vapor heat exchange. They feature high heat exchange efficiency, low heat loss, compact and lightweight structure, small footprint, wide application, and long service life.
[0003] When using existing plate heat exchangers, the lack of filtration devices when external water enters the heat exchanger can easily lead to blockages, resulting in reduced heat exchange efficiency and shortened service life. Utility Model Content
[0004] The purpose of this utility model is to provide an anti-clogging plate heat exchanger, which solves the problem mentioned in the background art that when the external water source enters the heat exchanger, there is no filtration device, and the internal blockage is easy to occur, resulting in a decrease in heat exchange effect and a reduction in service life.
[0005] This application provides an anti-clogging plate heat exchanger, including a plate heat exchanger body. Two sets of inlet pipes are provided at the bottom of the plate heat exchanger body. A filter box is provided on one side of the plate heat exchanger body, and the filter box is interconnected with the inlet pipes. Multiple sets of filter screens are provided inside the filter box, and a cleaning component is provided on one side of each set of filter screens. A top cover is provided above the filter box, and multiple through slots are formed inside the top cover. The cleaning component includes a cleaning rod, a cleaning brush on one side of the cleaning rod, and two sets of drive rods on one side of the cleaning rod, both sets of drive rods passing through the multiple through slots. A drive assembly is provided on one side of the filter box, and the drive assembly includes a fixing frame. A threaded rod is rotatably connected inside the fixing frame. A drive motor is provided at the bottom of the fixing frame, and the bottom of the threaded rod is fixedly connected to the output end of the drive motor. A connecting frame is provided outside the threaded rod, and the bottom of the connecting frame is fixedly connected to the top of the multiple sets of drive rods.
[0006] By adopting the above technical solution and setting up a filter screen, water entering the plate heat exchanger body can be quickly filtered during use, removing internal impurities and effectively preventing a large amount of impurities from entering the plate heat exchanger body. After long-term filtration, a large amount of impurities will accumulate on the outside of the filter screen. At this time, the drive motor can be started to drive the threaded rod to rotate continuously, which will drive the connecting frame to move up and down, and at the same time drive the cleaning component to move up and down, cleaning the dust attached to the outside of the filter screen. In this way, the filter screen can be automatically and quickly cleaned during use, reducing the filtration burden, further improving service life and filtration efficiency, and enhancing the practicality of the device.
[0007] Optionally, the multiple sets of filter screens have different pore sizes, and the multiple sets of filter screens are arranged in descending order of size. The filter box is equipped with a collection box, which is located at the bottom of the multiple sets of filter screens.
[0008] By adopting the above technical solution, and through the multiple sets of filter screens with different pore sizes, the filtration burden of a single filter screen can be effectively reduced during use. At the same time, the collection box can collect dust, improving the practicality of the device.
[0009] Optionally, multiple sets of stabilizing bars are provided above the top cover, and the connecting frame is slidably connected to the stabilizing bars.
[0010] By adopting the above technical solution and setting a stabilizing bar, the stability of the connecting frame can be achieved when it moves up and down during use, further improving the practicality of the device.
[0011] Optionally, a mounting groove is provided on one side of the cleaning rod, and one end of the cleaning brush is located inside the mounting groove.
[0012] By adopting the above technical solution and setting the installation slot, the cleaning brush can be quickly replaced during use, and quick replacement can extend its service life under long-term use.
[0013] Optionally, a fixing rod is provided on both sides of the filter screen, and a fixing groove is provided inside the two sets of fixing rods. The fixing groove is slidably connected to both sides of the filter screen.
[0014] By adopting the above technical solution and setting a fixing rod, the filter screen can be quickly replaced during use, making it more convenient.
[0015] Optionally, a pressure pump is provided between the filter box and the plate heat exchanger body, and the pressure pump is located inside the water inlet pipe.
[0016] By adopting the above technical solution and setting up a pressurizing pump, the water inside the plate heat exchanger body can be pressurized during use, ensuring complete circulation of water inside the plate heat exchanger body, making it more convenient to use.
[0017] Optionally, a sliding groove is provided on one side of the filter box, and one side of the collection box is slidably connected to the inside of the sliding groove.
[0018] By adopting the above technical solution and setting a sliding groove, the collection box can be quickly moved out of the filter box during use, and the filtered dust inside can be quickly collected, improving the practicality of the device.
[0019] Optionally, connecting bolts are provided at the four corners of the top cover, and the four sets of connecting bolts are threaded through the top cover and the filter box. A handle is provided on the front of the collection box.
[0020] By adopting the above technical solution and setting connecting bolts, the connection strength can be improved during use, and the handle is more convenient to open the collection box.
[0021] Compared with the prior art, the beneficial effects of the technical solution of this application are as follows:
[0022] 1. The technical solution of this application is approved, which can better filter water entering the plate heat exchanger body by setting a filter screen. During use, the water can be quickly filtered to remove internal impurities and effectively prevent a large amount of impurities from entering the plate heat exchanger body. After long-term filtration, a large amount of impurities will accumulate on the outside of the filter screen. At this time, the drive motor can be started to drive the threaded rod to rotate continuously, which will drive the connecting frame to move up and down. At the same time, it will drive the cleaning component to move up and down to clean the dust attached to the outside of the filter screen. In this way, the filter screen can be automatically and quickly cleaned during use. While reducing the filtration burden, it can further improve the service life and filtration efficiency, and improve the practicality of the device.
[0023] 2. By setting a stabilizing bar, the stability of the connecting frame can be achieved when it moves up and down during use, further improving the practicality of the device. Attached Figure Description
[0024] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0025] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0026] Figure 2 This is a schematic diagram of the external structure of the filter box of this utility model;
[0027] Figure 3 This is a schematic diagram of the side structure of the filter box of this utility model;
[0028] Figure 4 This is a schematic diagram of the internal structure of the filter box of this utility model;
[0029] Figure 5 This is a schematic diagram of the cleaning component structure of this utility model.
[0030] In the diagram: 1. Plate heat exchanger body; 101. Inlet pipe; 2. Filter box; 201. Top cover; 202. Connecting bolt; 203. Through groove; 204. Stabilizing rod; 205. Sliding groove; 3. Filter screen; 301. Fixing rod; 302. Fixing groove; 4. Cleaning assembly; 401. Cleaning rod; 402. Mounting groove; 403. Cleaning brush; 404. Drive rod; 5. Drive assembly; 501. Fixing frame; 502. Threaded rod; 503. Drive motor; 504. Connecting frame; 6. Collection box; 601. Handle; 7. Pressure pump. Detailed Implementation
[0031] Please see Figure 1-5 This utility model provides a technical solution: it includes a plate heat exchanger body 1, with two sets of water inlet pipes 101 at the bottom of the plate heat exchanger body 1, a filter box 2 on one side of the plate heat exchanger body 1, the filter box 2 being interconnected with the water inlet pipes 101, multiple sets of filter screens 3 inside the filter box 2, and a cleaning component 4 on one side of each set of filter screens 3, a top cover 201 on the top of the filter box 2, and multiple sets of through grooves 203 inside the top cover 201, the cleaning component 4 including a cleaning rod 401, and a cleaning brush 4 on one side of the cleaning rod 401. 03. Two sets of drive rods 404 are provided on one side of the cleaning rod 401. Both sets of drive rods 404 pass through multiple sets of through slots 203. A drive assembly 5 is provided on one side of the filter box 2. The drive assembly 5 includes a fixed frame 501. A threaded rod 502 is rotatably connected inside the fixed frame 501. A drive motor 503 is provided at the bottom of the fixed frame 501. The bottom of the threaded rod 502 is fixedly connected to the output end of the drive motor 503. A connecting frame 504 is provided outside the threaded rod 502. The bottom of the connecting frame 504 is fixedly connected to the top of the multiple sets of drive rods 404.
[0032] In this technical solution, by setting up a filter screen 3, water entering the plate heat exchanger body 1 can be quickly filtered during use, removing internal impurities and effectively preventing a large amount of impurities from entering the plate heat exchanger body 1. After long-term filtration, a large amount of impurities will accumulate on the outside of the filter screen 3. At this time, the drive motor 503 can be started to drive the threaded rod 502 to rotate continuously, which will drive the connecting frame 504 to move up and down, and at the same time drive the cleaning component 4 to move up and down, cleaning the dust attached to the outside of the filter screen 3. In this way, the filter screen 3 can be automatically and quickly cleaned during use, reducing the filtration burden, further improving service life and filtration efficiency, and enhancing the practicality of the device.
[0033] In some technical solutions, such as Figure 1-5 As shown, the multiple sets of filter screens 3 have different pore sizes, and the multiple sets of filter screens 3 are arranged in descending order of size. The filter box 2 is equipped with a collection box 6, which is located at the bottom of the multiple sets of filter screens 3.
[0034] When in use, the multiple sets of filter holes 3 with different diameters can effectively reduce the filtration burden of a single filter. At the same time, the collection box 6 can collect dust, improving the practicality of the device.
[0035] In some technical solutions, such as Figure 1-5 As shown, multiple sets of stabilizing bars 204 are provided above the top cover 201, and the connecting frame 504 is slidably connected to the stabilizing bars 204.
[0036] In use, by setting the stabilizing bar 204, the stability of the connecting frame 504 can be achieved when it moves up and down, further improving the practicality of the device.
[0037] In some technical solutions, such as Figure 1-5 As shown, a mounting groove 402 is provided on one side of the cleaning rod 401, and one end of the cleaning brush 403 is located inside the mounting groove 402.
[0038] When in use, the cleaning brush 403 can be quickly replaced by setting the installation slot 402. In the case of long-term use, quick replacement can extend the service life.
[0039] In some technical solutions, such as Figure 1-5 As shown, a fixing rod 301 is provided on both sides of the filter screen 3, and a fixing groove 302 is provided inside the two sets of fixing rods 301. The fixing groove 302 is slidably connected to both sides of the filter screen 3.
[0040] When in use, the filter screen 3 can be quickly replaced by setting the fixing rod 301, making it more convenient to use.
[0041] In some technical solutions, such as Figure 1-5 As shown, a pressure pump 7 is installed between the filter box 2 and the plate heat exchanger body 1. The pressure pump 7 is located inside the water inlet pipe 101. A sliding groove 205 is opened on one side of the filter box 2. The collection box 6 is slidably connected to the inside of the sliding groove 205 on one side. Connecting bolts 202 are provided at the four corners of the top cover 201. The four sets of connecting bolts 202 pass through the top cover 201 and are threadedly connected to the filter box 2. A handle 601 is provided on the front of the collection box 6.
[0042] During use, the pressure pump 7 pressurizes the water inside the plate heat exchanger body 1, ensuring complete water circulation within the plate heat exchanger body 1 and making it more convenient to use. The sliding groove 205 allows the collection box 6 to be quickly removed from the filter box 2, enabling rapid collection of filtered dust and improving the practicality of the device. The connecting bolts 202 enhance the connection strength, and the handle 601 makes opening the collection box 6 easier.
[0043] Working Principle: By setting up filter screen 3, water entering the plate heat exchanger body 1 can be quickly filtered, removing internal impurities and effectively preventing a large amount of impurities from entering the plate heat exchanger body 1. After long-term filtration, a large amount of impurities will accumulate on the outside of filter screen 3. At this time, the drive motor 503 can be started to drive the threaded rod 502 to rotate continuously, which will drive the connecting frame 504 to move up and down, and at the same time drive the cleaning component 4 to move up and down, cleaning the dust attached to the outside of filter screen 3. The filter screen 3 can be automatically and quickly cleaned, reducing the filtration burden and further improving its service life and filtration efficiency. By using multiple sets of filter holes with different diameters, the filtration burden of a single filter screen can be effectively reduced. The collection box 6 can collect dust. The stability bar 204 can be set to ensure the stability of the connecting frame 504 when it moves up and down. The mounting groove 402 can be set to enable quick replacement of the cleaning brush 403. Quick replacement can extend the service life under long-term use. The filter screen 3 can be quickly replaced by the fixing rod 301. The pressure pump 7 can pressurize the water inside the plate heat exchanger body 1 to ensure complete water circulation inside the plate heat exchanger body 1. The sliding groove 205 can be set to quickly remove the collection box 6 from the inside of the filter box 2 to quickly collect the filtered dust inside. The connecting bolt 202 can improve the connection strength, and the handle 601 makes it more convenient to open the collection box 6.
Claims
1. A clog-resistant plate heat exchanger, comprising a plate heat exchanger body (1), characterized in that: The bottom of the plate heat exchanger body (1) is provided with two sets of water inlet pipes (101). A filter box (2) is provided on one side of the plate heat exchanger body (1). The filter box (2) is connected to the water inlet pipes (101). Multiple sets of filter screens (3) are provided inside the filter box (2). A cleaning component (4) is provided on one side of each set of filter screens (3). A top cover (201) is provided on the top of the filter box (2). Multiple sets of through slots (203) are opened inside the top cover (201). The cleaning component (4) includes a cleaning rod (401). A cleaning brush (403) is provided on one side of the cleaning rod (401). Two sets of drive rods (404) are provided on the side, and both sets of drive rods (404) pass through multiple sets of through slots (203). A drive assembly (5) is provided on one side of the filter box (2). The drive assembly (5) includes a fixed frame (501). A threaded rod (502) is rotatably connected inside the fixed frame (501). A drive motor (503) is provided at the bottom of the fixed frame (501). The bottom of the threaded rod (502) is fixedly connected to the output end of the drive motor (503). A connecting frame (504) is provided outside the threaded rod (502). The bottom of the connecting frame (504) is fixedly connected to the top of multiple sets of drive rods (404).
2. The anti-clogging plate heat exchanger according to claim 1, characterized in that, The multiple sets of filter screens (3) have different filter apertures, and the multiple sets of filter screens (3) are arranged in descending order of size. The filter box (2) is equipped with a collection box (6), which is located at the bottom of the multiple sets of filter screens (3).
3. The anti-clogging plate heat exchanger according to claim 1, characterized in that, Multiple sets of stabilizing rods (204) are provided above the top cover (201), and the connecting frame (504) is slidably connected to the stabilizing rods (204).
4. The anti-clogging plate heat exchanger according to claim 1, characterized in that, The cleaning rod (401) has a mounting groove (402) on one side, and one end of the cleaning brush (403) is located inside the mounting groove (402).
5. The anti-clogging plate heat exchanger according to claim 1, characterized in that, The filter screen (3) is provided with fixing rods (301) on both sides, and fixing grooves (302) are provided inside the two sets of fixing rods (301). The fixing grooves (302) are slidably connected to the two sides of the filter screen (3).
6. The anti-clogging plate heat exchanger according to claim 1, characterized in that, A pressure pump (7) is provided between the filter box (2) and the plate heat exchanger body (1), and the pressure pump (7) is located inside the water inlet pipe (101).
7. The anti-clogging plate heat exchanger according to claim 2, characterized in that, The filter box (2) has a sliding groove (205) on one side, and the collection box (6) is slidably connected to the inside of the sliding groove (205) on one side.
8. The anti-clogging plate heat exchanger according to claim 2, characterized in that, The top cover (201) is provided with connecting bolts (202) at the four corners. The four sets of connecting bolts (202) are threaded through the top cover (201) and the filter box (2). The front of the collection box (6) is provided with a handle (601).