Air cooler with descaling device

Abstract

The application belongs to the technical field of air coolers, and provides an air cooler with a descaling device, which comprises a shell, a plurality of heat exchange pipes arranged in parallel in the shell, a descaling plate slidingly arranged on the heat exchange pipes, a plurality of ultrasonic transducers fixedly connected to the sidewall of the descaling plate, a driving mechanism arranged between the descaling plate and the shell and used for moving the descaling plate along the axis of the heat exchange pipes, and a blowdown assembly comprising a blowdown pipe arranged at the bottom of the shell and a moving seat fixedly connected to the bottom of the descaling plate, wherein the bottom of the moving seat is slidingly connected with a steel wire brush along the axis direction of the heat exchange pipes, and a moving mechanism is arranged between the steel wire brush and the moving seat and used for driving the steel wire brush to blow out the water scale falling to the bottom of the shell from the blowdown pipe. The application can automatically remove the water scale on the heat exchange pipes and blow out the removed water scale from the air cooler without disassembling the air cooler.

Description

Technical Field

[0001] This invention belongs to the field of air cooler technology, and particularly relates to an air cooler with a descaling device. Background Technology

[0002] Existing air coolers consist of a shell, support plates at both ends of the shell, and heat exchange tubes through which gas passes. The shell and support plates form a water tank. During use, coolant is injected into the shell, and the gas to be cooled flows through the heat exchange tubes. The gas's heat is exchanged with the coolant through the heat exchange tubes, thus lowering the gas temperature. Over time, scale will form on the surface of the heat exchange tubes due to prolonged use, reducing heat exchange efficiency. Therefore, the scale on the surface of the heat exchange tubes should be removed promptly.

[0003] Descaling existing air coolers requires operators to disassemble them and clean the scale inside, a cumbersome process. While existing air coolers with built-in descaling devices can remove scale from the heat exchange tubes without disassembling the air cooler, the removed scale cannot be drained in time and accumulates at the bottom of the water tank inside the casing. Large amounts of scale buildup at the bottom of the water tank still affect heat exchange efficiency, and removing the accumulated scale still requires disassembling the air cooler, which is inconvenient for maintenance. Summary of the Invention

[0004] The purpose of this invention is to provide an air cooler with a descaling device to solve the above-mentioned problems, so as to automatically remove scale from the heat exchange tubes and discharge the removed scale without disassembling the air cooler.

[0005] To achieve the above objectives, the present invention provides the following solution: an air cooler with a descaling device, comprising a housing, wherein two sets of partitions are fixedly connected inside the housing, and a plurality of heat exchange tubes arranged in parallel to each other are fixedly passed through the two partitions, and further comprising:

[0006] A descaling plate is slidably mounted on several heat exchange tubes. Several ultrasonic transducers for generating high-frequency vibrations in the water around the heat exchange tubes are fixedly connected to the side wall of the descaling plate. A drive mechanism for moving the descaling plate along the axis of the heat exchange tubes is provided between the descaling plate and the housing.

[0007] The sewage discharge assembly includes a sewage discharge pipe located at the bottom of the housing and a movable base fixedly connected to the bottom of the descaling plate. A wire brush is slidably connected to the bottom of the movable base along the axial direction of the heat exchange tube. A moving mechanism is provided between the wire brush and the movable base. The moving mechanism is used to drive the wire brush to discharge the scale that has fallen to the bottom of the housing from the sewage discharge pipe.

[0008] Preferably, the moving mechanism includes two sets of through slots formed at the bottom of the moving base. The two through slots are arranged parallel to the heat exchange tube, and both ends of the through slots are open. Sliding strips are horizontally slidably connected in the two through slots respectively. The wire brush is fixedly connected to the bottom middle of the two sliding strips through a connecting plate. A push-purge driving component is provided between the connecting plate and the moving base.

[0009] Preferably, the push-purge drive includes two sets of slides opened on the movable seat, the two slides are arranged parallel to the heat exchange tube, and a first rack and a second rack are slidably connected in the two slides respectively. The first rack is located above the second rack, and a gear is rotatably connected in the movable seat. The first rack and the second rack mesh with the gear respectively.

[0010] The second rack is fixedly connected to the connecting plate, and the two ends of the first rack pass through both sides of the movable seat, and the two ends of the first rack are respectively arranged corresponding to the two partitions.

[0011] Preferably, baffles are fixedly connected to both ends of the first rack, and the two baffles are respectively arranged corresponding to the two opposite side walls of the movable seat.

[0012] Preferably, the movable seat has inclined surfaces on its two opposite sidewalls along the axis of the heat exchange tube.

[0013] Preferably, a water cavity is formed between the shell and the two partitions, and a first air cavity and a second air cavity are also provided inside the shell. The first air cavity and the second air cavity are respectively located on the side of the two partitions away from the water cavity, and a plurality of heat exchange tubes are connected to the first air cavity and the second air cavity.

[0014] The housing is connected to a water inlet pipe, a water outlet pipe, an air inlet pipe, and an air outlet pipe. The water inlet pipe and the water outlet pipe are respectively connected to the water cavity, the air inlet pipe is connected to the first air cavity, and the air outlet pipe is connected to the second air cavity.

[0015] Preferably, the water cavity is further connected to two sets of buffer cavities, the two buffer cavities are respectively located at the bottom of the two sides of the water cavity, the water outlet pipe is connected to the side wall of one of the buffer cavities away from the water cavity, and the bottom of the two buffer cavities are respectively connected to the two drain pipes.

[0016] Preferably, each of the two sewage pipes is connected to a control valve.

[0017] Preferably, the driving mechanism includes a lead screw, which is arranged parallel to the heat exchange tube and is rotatably connected between the two partitions. The lead screw passes through the descaling plate and is threadedly connected to the descaling plate. One end of the lead screw passes through the partition and is provided with a power component between it and the housing.

[0018] Preferably, the power component includes a motor and a second bevel gear. The second bevel gear is coaxially fixedly connected to the end of the lead screw that passes through the partition. The output shaft of the motor is driven by a first bevel gear, and the first bevel gear meshes with the second bevel gear.

[0019] Compared with the prior art, the present invention has the following advantages and technical effects:

[0020] 1. This invention is equipped with a descaling plate and an ultrasonic transducer. The descaling plate moves automatically along the heat exchange tube to scrape off the scale on the surface of the heat exchange tube, and the high-frequency vibration generated by the ultrasonic transducer in the water assists in the removal of the scale.

[0021] 2. This invention uses a movable wire brush installed below the descaling plate to promptly remove scale deposited on the heat exchange tubes from the drain pipe, preventing scale buildup at the bottom and ensuring the air cooler maintains good heat exchange efficiency. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a cross-sectional view of the air cooler of the present invention;

[0024] Figure 2 for Figure 1 Enlarged view of part A in the image;

[0025] Figure 3 This is a schematic diagram of the sewage discharge component of the present invention;

[0026] Figure 4 This is another schematic diagram of the sewage discharge component of the present invention;

[0027] The components are as follows: 1. Shell; 2. Water inlet pipe; 3. Motor; 4. Air inlet pipe; 5. Air outlet pipe; 6. Baffle plate; 7. Heat exchange tube; 8. Lead screw; 9. Descaling plate; 10. Ultrasonic transducer; 11. Sewage pipe; 12. Water outlet pipe; 13. Buffer chamber; 14. First bevel gear; 15. Second bevel gear; 16. Moving seat; 17. First rack; 18. Baffle plate; 19. Gear; 20. Sliding strip; 21. Connecting plate; 22. Wire brush; 23. Inclined surface; 24. Slide rail; 25. Limiting strip; 26. Through groove; 27. Slide groove; 28. Second rack; 29. ​​First air chamber; 30. Second air chamber; 31. Water chamber. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0030] Reference Figures 1-4 The present invention provides an air cooler with a descaling device, comprising a housing 1, two sets of partitions 6 fixedly connected inside the housing 1, and a plurality of parallel heat exchange tubes 7 fixedly passing through the two partitions 6, and further comprising:

[0031] The descaling plate 9 is slidably installed on several heat exchange tubes 7. Several ultrasonic transducers 10 for generating high-frequency vibrations in the water around the heat exchange tubes 7 are fixedly connected to the side wall of the descaling plate 9. A drive mechanism for moving the descaling plate 9 along the axis of the heat exchange tubes 7 is provided between the descaling plate 9 and the housing 1.

[0032] The sewage discharge assembly includes a sewage discharge pipe 11 located at the bottom of the housing 1 and a movable seat 16 fixedly connected to the bottom of the descaling plate 9. A wire brush 22 is slidably connected to the bottom of the movable seat 16 along the axial direction of the heat exchange tube 7. A moving mechanism is provided between the wire brush 22 and the movable seat 16. The moving mechanism is used to drive the wire brush 22 to discharge the scale that has fallen to the bottom of the housing 1 from the sewage discharge pipe 11.

[0033] The main function of the descaling plate 9 is to scrape off the scale on the surface of the heat exchange tube 7 by sliding it on the surface of the heat exchange tube 7; the main function of the ultrasonic transducer 10 is to make the water in the shell 1 vibrate at high frequency and generate micro bubbles, and use the impact force when the bubbles burst to help remove the scale; the main function of the drive mechanism is to drive the descaling plate 9 to move back and forth along the heat exchange tube 7; the main function of the moving seat 16 is to move with the descaling plate 9 and drive the wire brush 22 to move; the main function of the moving mechanism is to drive the wire brush 22 to push the scale into the drain pipe 11, so as to realize the automatic discharge of the cleaned scale. Overall, this invention incorporates a descaling plate and an ultrasonic transducer. The descaling plate automatically moves along the heat exchange tubes to scrape away scale from their surface. The high-frequency vibrations generated in the water by the ultrasonic transducer further aid in the removal of scale. Simultaneously, a movable wire brush positioned below the descaling plate promptly removes the fallen scale from the drain pipe, preventing scale buildup at the bottom and ensuring the air cooler maintains optimal heat exchange efficiency.

[0034] The scheme is further optimized. The moving mechanism includes two sets of through grooves 26 opened at the bottom of the moving base 16. The two through grooves 26 are arranged parallel to the heat exchange tube 7, and both ends of the through grooves 26 are open. Sliding strips 20 are horizontally slidably connected in the two through grooves 26 respectively. The wire brush 22 is fixedly connected to the bottom middle of the two sliding strips 20 through the connecting plate 21. A push-purge drive component is provided between the connecting plate 21 and the moving base 16.

[0035] In a further optimized design, sliding grooves 27 are respectively opened on the two opposite side walls of the through groove 26, and limiting strips 25 are respectively fixedly connected to the two opposite side walls of the slide bar 20, with the limiting strips 25 slidably connected in the sliding grooves 27.

[0036] like Figure 3 and Figure 4 As shown, the sliding of the limiting strip 25 in the sliding groove 27 enables the sliding strip 20 to slide laterally at the bottom of the moving seat 16, thereby driving the connecting plate 21 to move along the axis of the heat exchange tube 7.

[0037] The scheme is further optimized. The push-purge drive includes two sets of slides 24 opened on the movable seat 16. The two slides 24 are arranged parallel to the heat exchange tube 7. The first rack 17 and the second rack 28 are slidably connected in the two slides 24 respectively. The first rack 17 is located above the second rack 28. The movable seat 16 is also rotatably connected to a gear 19. The first rack 17 and the second rack 28 are respectively meshed with the gear 19.

[0038] The second rack 28 is fixedly connected to the connecting plate 21. The two ends of the first rack 17 pass through both sides of the movable seat 16, and the two ends of the first rack 17 are respectively set to correspond to the two partitions 6.

[0039] like Figures 2-4As shown, when the descaling plate 9 moves the movable seat 16 to the left and close to the left partition 6, the first rack 17 will contact the left partition 6. As the movable seat 16 continues to move to the left, the first rack 17 moves to the right relative to the movable seat 16 and drives the gear 19 to rotate clockwise. The rotation of the gear 19 drives the second rack 28 to move to the left, which in turn drives the connecting plate 21 to move to the left side of the descaling plate 9, pushing the scale into the drain pipe 11 on the left.

[0040] Similarly, when the descaling plate 9 moves to the right and approaches the partition 6 on the right side, since the right end of the first rack 17 is away from the moving seat 16 at this time, the right end of the first rack 17 will contact the partition 6 on the right side, causing the first rack 17 to move to the left relative to the moving seat 16, which in turn drives the second rack 28 to move to the right, and drives the wire brush to move to the right side of the descaling plate 9, pushing the scale into the drain pipe 11 on the right side.

[0041] In a further optimized design, baffles 18 are fixedly connected to both ends of the first rack 17, and the two baffles 18 are respectively set to correspond to the two opposite side walls of the movable seat 16.

[0042] like Figure 2 and Figure 3 As shown, when the descaling plate 9 moves to the right, the friction between the wire brush 22 and the inside of the housing 1 pulls the second rack 28 to move to the left relative to the moving seat 16, while the first rack 17 moves to the right. When the left baffle 18 contacts the side wall of the moving seat 16, the first rack 17 stops moving relative to the moving seat 16, thereby stopping the second rack 28 from moving relative to the moving seat 16, ensuring a stable connection between the connecting plate 21 and the moving seat 16. The same principle applies when the descaling plate 9 moves to the left.

[0043] In a further optimized design, inclined surfaces 23 are provided on the two opposite side walls of the movable seat 16 along the axis of the heat exchange tube 7.

[0044] like Figure 3 As shown, the bevel ensures that the scraped scale falls onto the bottom wall of the housing 1.

[0045] In a further optimized design, a water cavity 31 is formed between the shell 1 and the two partitions 6. The shell 1 is also provided with a first air cavity 29 and a second air cavity 30. The first air cavity 29 and the second air cavity 30 are located on the side of the two partitions 6 away from the water cavity 31, and several heat exchange tubes 7 connect the first air cavity 29 and the second air cavity 30.

[0046] The shell 1 is connected to a water inlet pipe 2, a water outlet pipe 12, an air inlet pipe 4, and an air outlet pipe 5. The water inlet pipe 2 and the water outlet pipe 12 are respectively connected to the water chamber 31, the air inlet pipe 4 is connected to the first air chamber 29, and the air outlet pipe 5 is connected to the second air chamber 30.

[0047] like Figure 1As shown, cooling water enters the water chamber 31 through the inlet pipe 2 and flows out through the outlet pipe 12. Air enters the first air chamber 29 through the inlet pipe 4, passes through several heat exchange pipes 7, and then enters the second air chamber 30, and is discharged through the outlet pipe 5. The air exchanges heat with the water in the water chamber 31 in the heat exchange pipes 7, thereby achieving air cooling.

[0048] The scheme was further optimized by connecting a first valve to the water outlet pipe 12 to control its on / off state.

[0049] In a further optimized design, two sets of buffer chambers 13 are connected inside the water cavity 31. The two buffer chambers 13 are located at the bottom of the two sides of the water cavity 31, respectively. The water outlet pipe 12 is connected to the side wall of one buffer chamber 13 away from the water cavity 31, and the bottom of the two buffer chambers 13 is connected to two sewage pipes 11 respectively.

[0050] like Figure 1 As shown, after the descaling plate 9 contacts the partition plate 6, the connecting plate 21 moves to the front end of the descaling plate 9. By setting the buffer cavity 13, the connecting plate 21 can be moved smoothly, and all the scale under the descaling plate 9 can be pushed into the drain pipe 11.

[0051] Connecting the water outlet pipe 12 to the side wall of a buffer chamber 13 away from the water chamber 31 can prevent scale from being pushed into the water outlet pipe 12.

[0052] The scheme was further optimized by connecting control valves (not shown in the figure) to the two sewage pipes 11.

[0053] Further optimization of the scheme: the drive mechanism includes a lead screw 8, which is arranged parallel to the heat exchange tube 7 and is rotatably connected between the two partitions 6. The lead screw 8 passes through the descaling plate 9 and is threadedly connected to the descaling plate 9. One end of the lead screw 8 passes through the partition 6 and is provided with a power component between it and the shell 1.

[0054] The scheme is further optimized. The power components include a motor 3 and a second bevel gear 15. The second bevel gear 15 is coaxially fixedly connected to the end of the lead screw 8 that passes through the partition 6. The output shaft of the motor 3 is driven by a first bevel gear 14, which meshes with the second bevel gear 15.

[0055] like Figure 1 As shown, when the descaling plate 9 needs to move to the left, the motor 3 rotates, driving the first bevel gear 14 to rotate, which in turn drives the second bevel gear 15 to rotate, thereby causing the lead screw 8 to rotate. When the lead screw 8 rotates, it drives the descaling plate 9 to move to the left through threaded transmission. When the descaling plate 9 needs to move to the right, the motor 3 is reversed.

[0056] The specific working process of this embodiment:

[0057] During the working phase, the valve on the sewage pipe 11 is in the closed position.

[0058] When scale removal is required, close the first valve connected to the outlet pipe 12, and then ensure that the water chamber 31 is filled with water through the inlet pipe 2. Afterwards, start the motor 3 and ultrasonic transducer 10 to control the descaling plate 9 to reciprocate, thereby scraping away the scale on the heat exchange tube 7. The wire brush 22 moves with the descaling plate 9, pushing the scale that has fallen to the bottom of the housing 1. When the descaling plate 9 moves to the left and contacts the left partition 6, the connecting plate 21 moves into the buffer chamber 13 due to the movement of the first rack 17 relative to the moving seat 16, pushing the scale into the left drain pipe 11. Similarly, when the descaling plate 9 moves to the right, the wire brush 22 can push the scale into the right drain pipe 11.

[0059] After descaling is completed, open the valve on the drain pipe 11 to discharge the scale and sewage in the drain pipe 11.

[0060] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.

[0061] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims

1. An air cooler with a descaling device, comprising a housing (1), wherein two sets of partitions (6) are fixedly connected inside the housing (1), and a plurality of heat exchange tubes (7) arranged parallel to each other are fixedly passed through the two partitions (6), characterized in that, Also includes: A descaling plate (9) is slidably mounted on several heat exchange tubes (7). Several ultrasonic transducers (10) for generating high-frequency vibrations in the water around the heat exchange tubes (7) are fixedly connected to the side wall of the descaling plate (9). A driving mechanism for moving the descaling plate (9) along the axis of the heat exchange tubes (7) is provided between the descaling plate (9) and the housing (1). The sewage discharge assembly includes a sewage discharge pipe (11) opened at the bottom of the housing (1) and a movable seat (16) fixedly connected to the bottom of the descaling plate (9). A wire brush (22) is slidably connected to the bottom of the movable seat (16) along the axial direction of the heat exchange tube (7). A moving mechanism is provided between the wire brush (22) and the movable seat (16). The moving mechanism is used to drive the wire brush (22) to discharge the scale that has fallen to the bottom of the housing (1) from the sewage discharge pipe (11). The moving mechanism includes two sets of through slots (26) opened at the bottom of the moving base (16). The two through slots (26) are arranged parallel to the heat exchange tube (7), and both ends of the through slots (26) are open. Sliding strips (20) are horizontally slidably connected in the two through slots (26). The wire brush (22) is fixedly connected to the bottom middle of the two sliding strips (20) through the connecting plate (21). A push-purge driving component is provided between the connecting plate (21) and the moving base (16). The push-purge drive includes two sets of slides (24) opened on the movable seat (16). The two slides (24) are arranged parallel to the heat exchange tube (7). A first rack (17) and a second rack (28) are slidably connected in the two slides (24). The first rack (17) is located above the second rack (28). A gear (19) is also rotatably connected in the movable seat (16). The first rack (17) and the second rack (28) mesh with the gear (19) respectively. The second rack (28) is fixedly connected to the connecting plate (21), and the two ends of the first rack (17) pass through both sides of the movable seat (16), and the two ends of the first rack (17) are respectively arranged corresponding to the two partitions (6); The first rack (17) is fixedly connected to baffles (18) at both ends, and the two baffles (18) are respectively arranged corresponding to the two opposite side walls of the movable seat (16).

2. The air cooler with descaling device according to claim 1, characterized in that: The movable seat (16) has inclined surfaces (23) on its two opposite side walls along the axis of the heat exchange tube (7).

3. The air cooler with descaling device according to claim 1, characterized in that: A water cavity (31) is formed between the shell (1) and the two partitions (6). A first air cavity (29) and a second air cavity (30) are also provided inside the shell (1). The first air cavity (29) and the second air cavity (30) are respectively located on the side of the two partitions (6) away from the water cavity (31). A plurality of heat exchange tubes (7) are connected to the first air cavity (29) and the second air cavity (30). The housing (1) is connected to a water inlet pipe (2), a water outlet pipe (12), an air inlet pipe (4), and an air outlet pipe (5). The water inlet pipe (2) and the water outlet pipe (12) are respectively connected to the water chamber (31), the air inlet pipe (4) is connected to the first air chamber (29), and the air outlet pipe (5) is connected to the second air chamber (30).

4. The air cooler with descaling device according to claim 3, characterized in that: The water cavity (31) is also connected to two sets of buffer cavities (13). The two buffer cavities (13) are located at the bottom of the two sides of the water cavity (31). The water outlet pipe (12) is connected to the side wall of one of the buffer cavities (13) away from the water cavity (31). The bottom of the two buffer cavities (13) is connected to the two sewage pipes (11).

5. The air cooler with descaling device according to claim 4, characterized in that: Control valves are connected to both of the aforementioned sewage pipes (11).

6. The air cooler with descaling device according to claim 1, characterized in that: The driving mechanism includes a lead screw (8), which is arranged parallel to the heat exchange tube (7) and is rotatably connected between the two partitions (6). The lead screw (8) passes through the descaling plate (9) and is threadedly connected to the descaling plate (9). One end of the lead screw (8) passes through the partition (6) and is provided with a power component between it and the housing (1).

7. The air cooler with descaling device according to claim 6, characterized in that: The power component includes a motor (3) and a second bevel gear (15). The second bevel gear (15) is coaxially fixedly connected to the end of the lead screw (8) that passes through the partition (6). The output shaft of the motor (3) is driven by a first bevel gear (14), which meshes with the second bevel gear (15).

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