Self-backflushing graphite heat exchanger filter system

Abstract

The utility model relates to self backwash type graphite heat exchanger filter system belongs to graphite heat exchanger technical field, including filter bin, the top of filter bin places the cleaning liquid outlet pipe, the outer peripheral wall of cleaning liquid outlet pipe is equipped with the connecting pipe of one end and extends to its inside and passes through filter bin, be equipped with the filter assembly for filtering liquid on filter bin, filter assembly includes the filter board of two number, two filter board all fixedly connected in the inside of filter bin, two filter board from below to above in proper order fixedly inlayed with first filter screen and second filter screen. The self backwash type graphite heat exchanger filter system, through the effect of first filter screen and second filter screen, the liquid of convenient filtration is discharged, and then the liquid is recycled, improves the use effect, through the effect of filter bin, the impurity is collected conveniently, and the staff is handled to the impurity conveniently.

Description

Technical Field

[0001] This utility model relates to the field of graphite heat exchanger technology, specifically to a self-backwashing graphite heat exchanger filtration system. Background Technology

[0002] Graphite heat exchangers are heat exchange devices made of impermeable graphite as heat transfer components. They are mainly used in heat exchange scenarios involving highly corrosive media such as hydrochloric acid, sulfuric acid, and acetic acid, and play an important role in fields such as chlor-alkali chemical industry and petrochemical industry. Their manufacturing materials are divided into two categories: impregnated graphite and pressed graphite. They achieve efficient heat transfer by utilizing the high thermal conductivity and corrosion resistance of graphite.

[0003] The patent CN202281528U discloses a graphite cooler. This patent discloses a convenient cleaning technical solution, which solves the problem that existing graphite heat exchange components often suffer from heat transfer problems due to local scaling, and that local scaling will cause the graphite heat exchange components to be damaged first.

[0004] When in use, the device can conveniently clean the inside of the graphite cooler through the cleaning fluid inlet and outlet pipes. However, after the liquid and impurities are discharged through the cleaning fluid outlet pipe, it is not convenient to filter and recycle the liquid, which reduces the effectiveness of use. Therefore, a self-backwashing graphite heat exchanger filtration system is proposed to solve the above problems. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a self-backwashing graphite heat exchanger filtration system, which has the advantage of convenient filtration and solves the problem that when existing graphite coolers are in use, it is not convenient to filter and recover the liquid after it is discharged through the cleaning liquid outlet pipe, thus reducing the effectiveness of the system.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A self-backwashing graphite heat exchanger filtration system includes a filter chamber, a cleaning liquid outlet pipe placed on the top of the filter chamber, a connecting pipe fitted on the outer peripheral wall of the cleaning liquid outlet pipe with one end penetrating through the filter chamber and extending into its interior, and a filter assembly for filtering the liquid on the filter chamber.

[0008] The filter assembly includes two filter plates, both of which are fixedly connected inside the filter chamber. A first filter screen and a second filter screen are fixedly embedded in each filter plate from bottom to top. A drain pipe is fixedly connected to the right side of the filter chamber, extending through the chamber and into its interior. A solenoid valve is fixedly fitted onto the outer periphery of the drain pipe. Two discharge troughs are provided on the left side of the filter chamber. Scrapers are placed on the top surface of each of the two filter plates. Sealing plates are placed inside each of the two discharge troughs. A linkage rod is fixedly connected between the scrapers and sealing plates, which are on the same horizontal plane. A first rubber ring is fixedly fitted onto the outer periphery of each of the two sealing plates.

[0009] The filter chamber is equipped with a drive assembly for moving the scraper.

[0010] The connecting pipe is equipped with a fixing component for fixing the cleaning fluid outlet pipe.

[0011] Furthermore, the connecting pipe and the filter chamber are fixedly connected, and the filter chamber is a hollow cuboid.

[0012] Furthermore, the first rubber ring is a rectangular ring, the first rubber ring is attached to the discharge trough, the scraper is inclined, and the drain pipe is located at the bottom of the filter plate.

[0013] Furthermore, the drive assembly includes a mounting plate fixedly connected to the right side of the filter chamber. The right side of the filter chamber has two support slots, each containing a second rubber ring. Each of the two scrapers has a baffle plate whose end passes through the second rubber ring and extends to the right side of the filter chamber. A connecting plate is fixedly connected between the right sides of the two baffle plates. A drive motor is fixedly mounted on the side of the mounting plate closest to the filter chamber. The output shaft of the drive motor is fixedly connected to a screw whose end passes through the connecting plate and extends to the filter chamber. The front of the mounting plate has two sliding slots. The right side of the connecting plate has two sliding blocks, each with one end extending into one of the two sliding slots.

[0014] Furthermore, the screw is rotatably connected to the filter chamber via a bearing, the second rubber ring is a rectangular ring, the baffle and the second rubber ring are fitted together, and the sliding block and the sliding groove are slidably connected.

[0015] Furthermore, a threaded hole is provided on the right side of the connecting plate, and the screw passes through the threaded hole and is threadedly connected to it.

[0016] Furthermore, the fixing component includes a rubber ring, which is fixedly connected to the bottom surface of the cleaning fluid outlet pipe. A positioning ring is fixedly fitted on the outer peripheral wall of the cleaning fluid outlet pipe. A first threaded groove is formed on the outer peripheral wall of the cleaning fluid outlet pipe, and a second threaded groove is formed on the inner peripheral wall of the connecting pipe. The first threaded groove is located inside the second threaded groove.

[0017] Furthermore, the first threaded groove and the second threaded groove are threadedly connected, the bottom surface of the positioning ring is in contact with the top surface of the connecting pipe, and the rubber ring is in contact with the inner circumferential wall of the connecting pipe.

[0018] Compared with the prior art, this utility model provides a self-backwashing graphite heat exchanger filtration system, which has the following beneficial effects:

[0019] 1. This self-backwashing graphite heat exchanger filtration system, through the action of the first and second filter screens, conveniently filters the discharged liquid, thereby recycling the liquid and improving the utilization effect. Through the action of the filter chamber, impurities are conveniently collected, making it convenient for staff to handle the impurities.

[0020] 2. This self-backwashing graphite heat exchanger filtration system facilitates the connection of the connecting pipe and the cleaning liquid outlet pipe through the threaded connection between the first and second threaded grooves, making it convenient for operators to operate. Furthermore, the scraper facilitates the cleaning of impurities on the first and second filter screens, making it more convenient and practical for operators to operate. Attached Figure Description

[0021] Figure 1 This is a three-dimensional view of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0023] Figure 3 This utility model Figure 2 Enlarged structural diagram of A in the middle;

[0024] Figure 4 This utility model Figure 2 Enlarged structural diagram of B in the middle;

[0025] Figure 5 This utility model Figure 2 A magnified schematic diagram of the structure of C.

[0026] In the diagram: 1. Filter chamber, 2. Connecting pipe, 3. Cleaning fluid outlet pipe, 4. Positioning ring, 5. Baffle, 6. Connecting plate, 7. First rubber ring, 8. Sealing plate, 9. First threaded groove, 10. Second threaded groove, 11. Rubber ring, 12. Screw, 13. Mounting plate, 14. Drive motor, 15. Sliding groove, 16. Solenoid valve, 17. Drain pipe, 18. Scraper, 19. Linkage rod, 20. First filter screen, 21. Second filter screen, 22. Discharge trough, 23. Filter plate, 24. Support groove, 25. Second rubber ring, 26. Sliding block. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figures 1 to 5 The self-backwashing graphite heat exchanger filtration system in this embodiment includes a filter chamber 1, a cleaning liquid outlet pipe 3 is placed on the top of the filter chamber 1, and a connecting pipe 2 is fitted on the outer peripheral wall of the cleaning liquid outlet pipe 3, one end of which passes through the filter chamber 1 and extends into its interior. The filter chamber 1 is provided with a filter assembly for filtering liquid.

[0029] The filter assembly includes two filter plates 23, both of which are fixedly connected inside the filter chamber 1. A first filter screen 20 and a second filter screen 21 are fixedly embedded in the two filter plates 23 from bottom to top. A drain pipe 17 is fixedly connected to the right side of the filter chamber 1, with one end penetrating the filter chamber 1 and extending into its interior. A solenoid valve 16 is fixedly fitted on the outer peripheral wall of the drain pipe 17. Two discharge troughs 22 are opened on the left side of the filter chamber 1. A scraper 18 is placed on the top surface of each of the two filter plates 23. A sealing plate 8 is placed inside each of the two discharge troughs 22. A linkage rod 19 is fixedly connected between the scraper 18 and the sealing plate 8, which are located on the same horizontal plane. A first rubber ring 7 is fixedly fitted on the outer peripheral wall of each of the two sealing plates 8.

[0030] The connecting pipe 2 and the filter chamber 1 are fixedly connected. The filter chamber 1 is a hollow cuboid. The first rubber ring 7 is a rectangular ring. The first rubber ring 7 is attached to the discharge trough 22. The scraper 18 is inclined. The drain pipe 17 is located at the bottom of the filter plate 23.

[0031] Specifically, the sealing plate 8 and the first rubber ring 7 conveniently seal the discharge trough 22. The liquid enters the filter chamber 1 through the cleaning liquid outlet pipe 3 and the connecting pipe 2. The liquid is conveniently filtered through the first filter screen 20 and the second filter screen 21. Impurities are collected through the first filter screen 20 and the second filter screen 21. Then, the solenoid valve 16 is activated, and the liquid is discharged from the filter chamber 1 through the discharge pipe 17. When cleaning the first filter screen 20 and the second filter screen 21, the scraper 18 moves to clean the impurities on the top surface of the first filter screen 20 and the second filter screen 21. The scraper 18 drives the sealing plate 8 to move through the linkage rod 19, so that the sealing plate 8 is separated from the discharge trough 22, and the impurities pass through the discharge trough 22 and are discharged from the filter chamber 1.

[0032] Please see Figures 1 to 5 In this embodiment, the filter chamber 1 is provided with a drive assembly for moving the scraper 18. The drive assembly includes a mounting plate 13, which is fixedly connected to the right side of the filter chamber 1. The right side of the filter chamber 1 has two support grooves 24. A second rubber ring 25 is fixedly connected inside each of the two support grooves 24. A baffle 5 with one end penetrating through the second rubber ring 25 and extending to the right side of the filter chamber 1 is fixedly connected to the right side of each of the two scrapers 18. A connecting plate 6 is fixedly connected between the right sides of the two baffles 5. A drive motor 14 is fixedly mounted on the side of the mounting plate 13 near the filter chamber 1. A screw 12 with one end penetrating through the connecting plate 6 and extending to the filter chamber 1 is fixedly connected to the output shaft of the drive motor 14. The front of the mounting plate 13 has two sliding grooves 15. The right side of the connecting plate 6 has two sliding blocks 26 with one end extending into the two sliding grooves 15 respectively.

[0033] The screw 12 is rotatably connected to the filter chamber 1 via a bearing. The second rubber ring 25 is a rectangular ring. The baffle 5 and the second rubber ring 25 are fitted together. The sliding block 26 and the sliding groove 15 are slidably connected. A threaded hole is provided on the right side of the connecting plate 6. The screw 12 passes through the threaded hole and is threadedly connected to it.

[0034] Specifically, the drive motor 14 is started, and the output shaft of the drive motor 14 drives the screw 12 to rotate. Through the threaded connection between the screw 12 and the connecting plate 6, and the sliding connection between the sliding block 26 and the sliding groove 15, the screw 12 drives the baffle 5 to move through the connecting plate 6. The baffle 5 pushes the scraper 18 to move. Through the action of the second rubber ring 25, the connection between the support groove 24 and the baffle 5 is sealed.

[0035] Please see Figures 1 to 5In this embodiment, the connecting pipe 2 is provided with a fixing component for fixing the cleaning fluid outlet pipe 3. The fixing component includes a rubber ring 11, which is fixedly connected to the bottom surface of the cleaning fluid outlet pipe 3. A positioning ring 4 is fixedly fitted on the outer peripheral wall of the cleaning fluid outlet pipe 3. A first threaded groove 9 is opened on the outer peripheral wall of the cleaning fluid outlet pipe 3, and a second threaded groove 10 is opened on the inner peripheral wall of the connecting pipe 2. The first threaded groove 9 is located inside the second threaded groove 10.

[0036] The first threaded groove 9 and the second threaded groove 10 are threaded together, the bottom surface of the positioning ring 4 is in contact with the top surface of the connecting pipe 2, and the rubber ring 11 is in contact with the inner circumferential wall of the connecting pipe 2.

[0037] Specifically, by rotating the filter chamber 1, the connecting pipe 2 and the cleaning fluid outlet pipe 3 are connected through the threaded connection between the first threaded groove 9 and the second threaded groove 10. The connecting pipe 2 is conveniently restricted by the positioning ring 4, and the connection between the connecting pipe 2 and the cleaning fluid outlet pipe 3 is sealed by the rubber ring 11.

[0038] The working principle of the above embodiments is as follows:

[0039] Rotating the filter chamber 1 connects the connecting pipe 2 and the cleaning liquid outlet pipe 3 via the threaded connection between the first threaded groove 9 and the second threaded groove 10. The positioning ring 4 conveniently restricts the connecting pipe 2, and the rubber ring 11 seals the connection between the connecting pipe 2 and the cleaning liquid outlet pipe 3. The sealing plate 8 and the first rubber ring 7 conveniently seal the discharge trough 22. Liquid enters the filter chamber 1 through the cleaning liquid outlet pipe 3 and the connecting pipe 2, where it is conveniently filtered by the first filter screen 20 and the second filter screen 21. Impurities are collected by the first filter screen 20 and the second filter screen 21. Then, the solenoid valve 16 is activated, and the liquid is discharged through the drain pipe 17. When cleaning the first filter screen 20 and the second filter screen 21 after draining the filter chamber 1, the drive motor 14 is started. The output shaft of the drive motor 14 drives the screw 12 to rotate. Through the threaded connection between the screw 12 and the connecting plate 6, and the sliding connection between the sliding block 26 and the sliding groove 15, the screw 12 drives the baffle 5 to move through the connecting plate 6. The baffle 5 pushes the scraper 18 to move. The scraper 18 cleans the impurities on the top surface of the first filter screen 20 and the second filter screen 21. The scraper 18 drives the sealing plate 8 to move through the linkage rod 19, so that the sealing plate 8 is disengaged from the discharge trough 22. The impurities pass through the discharge trough 22 and are discharged from the filter chamber 1. The connection between the support groove 24 and the baffle 5 is sealed by the action of the second rubber ring 25.

[0040] The installation, connection, or setting methods disclosed in this embodiment are all common mechanical connection methods. Any method that can achieve its beneficial effect can be implemented. In addition, the electrical components in this embodiment are all electrically connected to the main controller and the power supply. The main controller can be a conventional known device such as a computer that plays a control role. Those skilled in the art can control the electrical components through simple programming. Moreover, the existing disclosed power connection technology is also common knowledge in the field. Therefore, the specific structural composition and working principle will not be described in detail in this embodiment.

[0041] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0042] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-backwashing graphite heat exchanger filtration system, comprising a filter chamber (1), characterized in that: The top of the filter chamber (1) is provided with a cleaning liquid outlet pipe (3), and the outer peripheral wall of the cleaning liquid outlet pipe (3) is fitted with a connecting pipe (2) that passes through the filter chamber (1) and extends into it. The filter chamber (1) is provided with a filter assembly for filtering liquid. The filter assembly includes two filter plates (23), both of which are fixedly connected inside the filter chamber (1). The two filter plates (23) are fixedly inlaid with a first filter screen (20) and a second filter screen (21) from bottom to top. A drain pipe (17) is fixedly connected to the right side of the filter chamber (1), with one end penetrating the filter chamber (1) and extending into its interior. A solenoid valve (16) is fixedly fitted on the outer peripheral wall of the drain pipe (17). Two discharge troughs (22) are opened on the left side of the filter chamber (1). A scraper (18) is placed on the top surface of both filter plates (23). A sealing plate (8) is placed inside the two discharge troughs (22). A linkage rod (19) is fixedly connected between the scraper (18) and the sealing plate (8) located on the same horizontal plane. A first rubber ring (7) is fixedly fitted on the outer peripheral wall of both sealing plates (8). The filter chamber (1) is provided with a drive assembly for moving the scraper (18), and the connecting pipe (2) is provided with a fixing assembly for fixing the cleaning fluid outlet pipe (3).

2. The self-backwashing graphite heat exchanger filtration system according to claim 1, characterized in that: The connecting pipe (2) and the filter chamber (1) are fixedly connected, and the filter chamber (1) is a hollow cuboid.

3. The self-backwashing graphite heat exchanger filtration system according to claim 1, characterized in that: The first rubber ring (7) is a rectangular ring, the first rubber ring (7) and the discharge trough (22) are attached, the scraper (18) is inclined, and the drain pipe (17) is located at the bottom of the filter plate (23).

4. The self-backwashing graphite heat exchanger filtration system according to claim 1, characterized in that: The drive assembly includes a mounting plate (13), which is fixedly connected to the right side of the filter chamber (1). Two support slots (24) are provided on the right side of the filter chamber (1). A second rubber ring (25) is fixedly connected inside each of the two support slots (24). A baffle (5) with one end penetrating the second rubber ring (25) and extending to the right side of the filter chamber (1) is fixedly connected to the right side of each of the two scrapers (18). The right sides of the two baffles (5) are fixedly connected together. A connecting plate (6) is attached. A drive motor (14) is fixedly installed on one side of the mounting plate (13) near the filter chamber (1). The output shaft of the drive motor (14) is fixedly connected to a screw (12) that passes through the connecting plate (6) and extends to the filter chamber (1). Two sliding grooves (15) are opened on the front side of the mounting plate (13). Two sliding blocks (26) are fixedly connected on the right side of the connecting plate (6), with one end extending into the two sliding grooves (15) respectively.

5. The self-backwashing graphite heat exchanger filtration system according to claim 4, characterized in that: The screw (12) is rotatably connected to the filter chamber (1) via a bearing. The second rubber ring (25) is a rectangular ring. The baffle (5) and the second rubber ring (25) are fitted together. The sliding block (26) and the sliding groove (15) are slidably connected.

6. The self-backwashing graphite heat exchanger filtration system according to claim 4, characterized in that: The right side of the connecting plate (6) has a threaded hole, and the screw (12) passes through the threaded hole and is threadedly connected to it.

7. The self-backwashing graphite heat exchanger filtration system according to claim 4, characterized in that: The fixing component includes a rubber ring (11), which is fixedly connected to the bottom surface of the cleaning fluid outlet pipe (3). A positioning ring (4) is fixedly fitted on the outer peripheral wall of the cleaning fluid outlet pipe (3). A first threaded groove (9) is opened on the outer peripheral wall of the cleaning fluid outlet pipe (3), and a second threaded groove (10) is opened on the inner peripheral wall of the connecting pipe (2). The first threaded groove (9) is located inside the second threaded groove (10).

8. The self-backwashing graphite heat exchanger filtration system according to claim 7, characterized in that: The first threaded groove (9) and the second threaded groove (10) are threaded together, the bottom surface of the positioning ring (4) is in contact with the top surface of the connecting pipe (2), and the rubber ring (11) is in contact with the inner circumferential wall of the connecting pipe (2).

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