plate-and-frame filter press

Abstract

The present application relates to filter pressing technology field and disclose a plate and frame filter press, the plate and frame filter press includes rack, a plurality of filter plates, a plurality of drive assemblies and cleaning assembly, filter plate is arranged on the rack and is movable along the first direction, a plurality of filter plates are sequentially arranged in the first direction, a plurality of drive assemblies correspond to a plurality of filter plates one by one, drive assembly includes magnet assembly and repulsion can be generated between magnet assembly to drive adjacent two filter plates separate from each other, cleaning assembly is provided on the rack, cleaning assembly includes working parts, wherein, working parts can spray cleaning agent to flush at least part of a plurality of filter plates, and / or working parts can be contacted with at least part of a plurality of filter plates and vibrate, so that the mud cake falls off. The plate and frame filter press of the present application embodiment utilizes magnetic force to drive filter plate separation, the separation process is fast and stable, and efficient and rapid cleaning of filter plate is realized, the problems of slow unloading speed and incomplete cleaning of traditional filter press are solved.

Description

Technical Field

[0001] This invention belongs to the field of filter press technology, and specifically relates to a plate and frame filter press. Background Technology

[0002] The coal filter press in related technologies suffers from the following problems during operation: After filtration, the filter plates typically need to be separated one by one by a trolley, and the coal cake on the plates needs to be unloaded. This step-by-step unloading process is lengthy. After unloading, the filter plates need to be cleaned manually or by a cleaning mechanism, which is also time-consuming, affecting the working efficiency of the coal filter press. Therefore, it is necessary to design corresponding technical solutions to address these problems. Summary of the Invention

[0003] This invention aims to at least partially solve one of the technical problems in related technologies. To this end, embodiments of this invention propose a plate and frame filter press that uses magnetic force to drive filter plate separation, resulting in a rapid and stable separation process. Furthermore, the vibration and rinsing of the cleaning components accelerate cake removal. The control system enables automated operation, reducing manpower and improving efficiency.

[0004] The plate and frame filter press of this invention includes a frame, multiple filter plates, multiple drive components, and a cleaning component. The filter plates are arranged on the frame and are movable along a first direction. The multiple filter plates are arranged sequentially in the first direction. The multiple drive components correspond one-to-one with the multiple filter plates. Each drive component includes a magnet component mounted on the filter plate. The magnet components on two adjacent filter plates can generate a repulsive force to drive the two adjacent filter plates to separate from each other. The cleaning component is disposed on the frame and includes a working part. The working part can spray a cleaning agent to rinse at least a portion of the multiple filter plates. And / or, the working part can contact and vibrate at least a portion of the multiple filter plates to remove the sludge cake attached to the filter plates.

[0005] The plate and frame filter press of this invention drives the synchronous separation of multiple filter plates through the repulsive force generated by the magnetic assembly, replacing the traditional method of using a trolley to pull them apart, resulting in a fast and stable separation process. Simultaneously, the cleaning assembly can rinse the filter plates by spraying cleaning agent and / or dislodge the sludge cake through contact vibration, achieving efficient cleaning of multiple filter plates and effectively solving the problems of slow unloading, poor cleaning effect, and slow cleaning speed in traditional filter presses.

[0006] In some embodiments, the drive assembly further includes a mounting base, through which the magnet assembly is mounted on the filter plate.

[0007] In some embodiments, the magnet assembly includes an electromagnet and a permanent magnet. In the first direction, the mounting base has a first end face and a second end face opposite each other. The electromagnet is disposed on the first end face, and the permanent magnet is disposed on the second end face. In two adjacent mounting bases, the electromagnet on one mounting base is directly opposite the permanent magnet on the other mounting base, and when the electromagnet is energized, a repulsive force is generated between the electromagnet and the corresponding permanent magnet.

[0008] In some embodiments, the drive assembly further includes a power receiving part disposed on the mounting base, the power receiving part including at least two power receiving elements, the power receiving elements being conductors and electrically connected to the electromagnet.

[0009] In some embodiments, the plate and frame filter press further includes a power supply assembly, which includes an operating rod and at least two power supply plates. The operating rod is movably mounted on the frame and has an energized position and an de-energized position. The power supply plates are mounted on the operating rod and extend along the first direction. The power supply plates are conductors and are used to connect to an external power source. When the operating rod is in the energized position, the operating rod is close to the power receiving part, and at least two of the power supply plates are in one-to-one contact with at least two power receiving parts to achieve conductivity. When the operating rod is in the de-energized position, the operating rod is away from the power receiving part, and the power supply plates are separated from the power receiving parts.

[0010] In some embodiments, the working component includes a plate extending along the first direction, the plate being movable along a second direction to approach or move away from the filter plate, the second direction being perpendicular to the first direction.

[0011] In some embodiments, the cleaning assembly includes a support base and a linear drive component. The support base is connected to the frame, the linear drive component is disposed on the support base, the plate is connected to the linear drive component, and the linear drive component can drive the plate to move along the second direction.

[0012] In some embodiments, the cleaning assembly includes a vibration driving component disposed between and connecting the linear driving component and the plate, the vibration driving component being capable of driving the plate to vibrate along the first direction.

[0013] In some embodiments, the plate body has a cavity inside, the cavity being connected to a water pump, and a through hole communicating with the cavity is provided on the side of the plate body facing the filter plate. The cleaning agent is pumped into the cavity by the water pump and sprayed out through the through hole.

[0014] In some embodiments, the plate and frame filter press further includes a detection component and a control system. The detection component includes at least one of a visual inspection unit and a weight detection unit. The visual inspection unit is used to detect the surface condition of the filter plate, and the weight detection unit is used to detect the weight of the filter plate. The control system is electrically connected to the detection component and is used to control the operation of at least one of the vibration drive component and the water pump based on the information fed back by the detection component.

[0015] The plate and frame filter press of this invention combines magnetic drive, automated cleaning, and intelligent control, making the entire filter press more intelligent and efficient. The drive component utilizes the cooperation of electromagnets and permanent magnets to achieve rapid and stable separation of the filter plates, improving the separation speed. The power supply component implements sliding power supply, avoiding messy wiring. The cleaning component employs a dual cleaning method of spraying and vibration, improving the efficiency and cleanliness of removing sludge cake from the filter plates. The detection component and control system enable monitoring of the filter plate status and achieve automated control. Compared with related technologies, the plate and frame filter press of this embodiment has a faster filter plate separation speed, more thorough filter plate cleaning, a higher level of automation, and saves manpower. Attached Figure Description

[0016] Figure 1 This is an overall schematic diagram of the plate and frame filter press according to an embodiment of the present invention.

[0017] Figure 2 This is a first-view structural schematic diagram of the drive component in the plate and frame filter press according to an embodiment of the present invention.

[0018] Figure 3 This is a schematic diagram of the drive component in the plate and frame filter press according to an embodiment of the present invention from a second perspective.

[0019] Figure 4 yes Figure 1 A magnified view of a portion of the image.

[0020] Figure 5 This is a bottom view of the cleaning component in the plate and frame filter press according to an embodiment of the present invention.

[0021] Figure 6 This is a schematic diagram of the cooperation between the power supply plate and the power receiving component in the plate and frame filter press of this invention.

[0022] Figure label:

[0023] 1. Frame; 2. Filter plates;

[0024] 3. Drive assembly; 31. Magnet assembly; 311. Electromagnet; 312. Permanent magnet; 32. Mounting base; 321. First end face; 322. Second end face; 323. Groove; 33. Power receiving part; 34. Power receiving component;

[0025] 4. Cleaning component; 41. Working part; 42. Support base; 43. Linear drive component; 44. Vibration drive component; 411. Through hole; 412. Elastic pad; 413. Plate; 441. Support plate; 442. Mounting slot; 443. Spring; 444. Second cam; 445. Arc rod;

[0026] 5. Power supply assembly; 51. Operating lever; 52. Power supply plate; 53. Sliding seat; 54. First cam;

[0027] 6. Inspection components; 61. Visual inspection unit; 62. Weight inspection unit;

[0028] 7. Control system; 8. Pushing hydraulic cylinder; 9. Pushing plate; 10. Thrust plate. Detailed Implementation

[0029] Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, and should not be construed as limiting the present invention.

[0030] like Figures 1-6 As shown, the plate and frame filter press of this invention includes a frame 1, multiple filter plates 2, multiple drive components 3, and a cleaning component 4. The filter plates 2 are arranged on the frame 1 and are movable along a first direction. The multiple filter plates 2 are arranged sequentially in the first direction. The multiple drive components 3 correspond one-to-one with the multiple filter plates 2. The drive components 3 include magnet components 31 mounted on the filter plates 2. The magnet components 31 on two adjacent filter plates 2 can generate a repulsive force to drive the two adjacent filter plates 2 to separate from each other. The cleaning component 4 is provided on the frame 1. The cleaning component 4 includes a working part 41, wherein the working part 41 can spray cleaning agent to rinse at least a portion of the multiple filter plates 2; and / or, the working part 41 can contact and vibrate at least a portion of the multiple filter plates 2 to remove the mud cake attached to the filter plates 2.

[0031] This embodiment provides a plate and frame filter press, including a frame 1, multiple filter plates 2, multiple drive components 3, and a cleaning component 4.

[0032] Multiple filter plates 2 are arranged on the frame 1 and along the first direction (attached). Figure 1The filter plates 2 are movably arranged (in the left-right direction shown) and sequentially arranged in this first direction. Each filter plate 2 is provided with a corresponding drive assembly 3. The drive assembly 3 includes a magnet assembly 31 mounted on the filter plate 2. The key feature is that the magnet assemblies 31 on two adjacent filter plates 2 can generate a repulsive magnetic force. When it is necessary to remove the mud cake formed between the filter plates 2, the adjacent magnet assemblies 31 are controlled to generate a repulsive force, which directly drives the two adjacent filter plates 2 to separate from each other, thereby creating space for the mud cake to fall off and the filter plates 2 to be cleaned. In addition, the magnet assemblies 31 on multiple filter plates 2 can generate magnetic forces simultaneously to achieve synchronous and rapid separation of multiple filter plates 2.

[0033] The cleaning component 4 is mounted on the frame 1 and includes a core working part 41. This working part 41 has two cleaning modes, which can be used individually or in combination: In the first mode, the working part 41 sprays a cleaning agent (such as high-pressure water or cleaning fluid) toward the surface of the filter plates 2 to rinse at least a portion of the multiple filter plates 2. In the second mode, the working part 41 moves to contact at least a portion of the surface of the multiple filter plates 2 and shakes off the sludge cake adhering to the filter plates 2 by generating vibration.

[0034] During operation, when the filter press is finished and the cake needs to be unloaded, the filter plates 2 are first separated pair by pair or all at the same time by magnetic repulsion. Then, the cleaning component 4 is activated. If the filter cloth only needs rinsing, the working part 41 moves to the side or top of the filter plate 2 and sprays cleaning agent for rinsing. If the cake is firmly attached, the working part 41 can contact the surface of the filter plate 2 and apply vibration to loosen and remove the cake. Alternatively, vibration can be used first to remove large pieces of cake, followed by simultaneous spray cleaning for thorough cleaning.

[0035] In some specific embodiments, the plate and frame filter press further includes a top-push hydraulic cylinder 8, a top-push plate 9, and a thrust plate 10. The top-push hydraulic cylinder 8 is connected to the frame 1, the top-push plate 9 is slidably disposed on the frame 1 along a first direction, the thrust plate 10 is fixedly connected to the frame 1, and the top-push hydraulic cylinder 8 is connected to a fixed-push plate. Multiple filter plates 2 are located between the fixed-push plate and the thrust plate 10. During pressing, the top-push hydraulic cylinder 8 drives the top-push plate 9 to move, thereby bringing the multiple filter plates 2 closer together and confining them between the top-push plate 9 and the thrust plate 10, thus achieving filter pressing. When unloading is required, the top-push hydraulic cylinder 8 first drives the top-push plate 9 to reset, and then the magnet assembly 31 is controlled to generate a repulsive force.

[0036] This embodiment directly and smoothly separates filter plates 2 using magnetic repulsion, replacing complex separation equipment such as trolleys, simplifying the structure and achieving rapid separation. Simultaneously, it integrates both spraying and contact vibration cleaning methods, effectively handling mud cakes of different properties, automating cake unloading and cleaning, significantly reducing manual labor intensity, and solving the problems of incomplete cake unloading and low cleaning efficiency in traditional equipment.

[0037] In some embodiments, the drive assembly 3 further includes a mounting base 32, through which the magnet assembly 31 is mounted on the filter plate 2.

[0038] In this embodiment, the drive assembly 3 further includes a mounting base 32. Specifically, the magnet assembly 31 is not directly fixed to the filter plate 2, but is first mounted on the mounting base 32, and then the mounting base 32 is connected to the filter plate 2 as a whole component. For example, the mounting base 32 can be fastened to the side of the filter plate 2 facing the adjacent filter plate 2 (e.g., the front side) by bolts.

[0039] By providing an independent mounting base 32, a dedicated and stable mounting platform is provided for the magnet assembly 31. This helps ensure the accuracy and consistency of the installation position of the magnet assembly 31 (especially the electromagnets 311 and permanent magnets 312, which require precise alignment), facilitating production assembly and subsequent maintenance. At the same time, the structure of the mounting base 32 can transmit magnetic force more evenly to the entire filter plate 2, which helps the filter plate 2 to separate smoothly and protects the filter plate 2 body structure from the stress that may be caused by direct installation of magnets.

[0040] In some embodiments, the magnet assembly 31 includes an electromagnet 311 and a permanent magnet 312. In a first direction, the mounting base 32 has a first end face 321 and a second end face 322 facing each other. The electromagnet 311 is disposed on the first end face 321, and the permanent magnet 312 is disposed on the second end face 322. In two adjacent mounting bases 32, the electromagnet 311 on one mounting base 32 is directly opposite the permanent magnet 312 on the other mounting base 32, and when the electromagnet 311 is energized, a repulsive force is generated between the electromagnet 311 and its corresponding permanent magnet 312.

[0041] In this embodiment, the magnet assembly 31 specifically includes an electromagnet 311 and a permanent magnet 312. The mounting base 32 has opposing first end faces 321 and second end faces 322 along a first direction. The electromagnet 311 is disposed on the first end face 321, while the permanent magnet 312 is disposed on the second end face 322. The key arrangement is that in two adjacent mounting bases 32, the first end face 321 (i.e., the side with the electromagnet 311) of one mounting base 32 faces the second end face 322 (i.e., the side with the permanent magnet 312) of the other mounting base 32. That is, the electromagnet 311 on one mounting base 32 is directly opposite and adjacent to the permanent magnet 312 on the adjacent mounting base 32.

[0042] When it is necessary to separate the pair of adjacent filter plates 2, the electromagnet 311 is energized. The energized electromagnet 311 generates a magnetic field, the polarity of which is the same as the polarity of the opposite permanent magnet 312 near its end, thus generating a strong magnetic repulsion between them. This repulsion acts directly on the two mounting bases 32, thereby driving the filter plates 2 connected to them to separate from each other.

[0043] In some specific embodiments, a groove 323 is provided on the first end face 321 of the mounting base 32. The electromagnet 311 is placed in the groove 323, and the permanent magnet 312 opposite to the electromagnet 311 can move with the filter plate 2 and be placed in the groove 323. Specifically, the electromagnet 311 is accommodated and fixed inside the groove 323. This design allows a portion of the permanent magnet 312 on the opposite mounting base 32 to move into the groove 323 when adjacent filter plates 2 are closed under the push of a hydraulic cylinder for filtration. Through this embodiment, firstly, the filter plates 2 can be completely close together and pressed together; secondly, the structure of the groove 323 provides mechanical protection for the electromagnet 311 inside, preventing it from being accidentally bumped during the movement of the filter plates 2 or during production. Finally, when the filter plates 2 are closed, the permanent magnet 312 enters the groove 323, so that the two are in the optimal working position at the beginning of separation, with a larger initial magnetic repulsion force during separation, making the separation faster and more direct.

[0044] This embodiment achieves active and controllable excitation of magnetic force by employing a combination of "electromagnet 311 + permanent magnet 312" and a specific opposing installation method. The separation action of the filter plate 2 can be precisely and instantly controlled simply by controlling the on / off state of the electromagnet 311, resulting in a fast response and simple control logic.

[0045] In some embodiments, the drive assembly 3 further includes a power receiving part 33 disposed on the mounting base 32. The power receiving part 33 includes at least two power receiving elements 34, which are conductors and are electrically connected to the electromagnet 311.

[0046] In this embodiment, the drive assembly 3 further includes a power receiving part 33 disposed on the mounting base 32. The power receiving part 33 includes at least two independent power receiving elements 34, which are made of conductive material (such as copper alloy) and are reliably electrically connected to the electromagnet 311 on the mounting base 32 via wires or internal circuitry.

[0047] In some specific embodiments, the power receiving part 33 can be designed with a specific mechanical structure to accommodate installation and docking requirements. For example, the power receiving part 33 can be a generally semi-circular conductive component, which is connected to the mounting base 32 via an insulated or structural link. This semi-circular design provides a larger, easily aligned contact surface.

[0048] The independent power receiving part 33 allows it to be arranged relatively independently in a position that facilitates contact with the external power supply component 5, without being constrained by the space limitations of the mounting base 32. The design of at least two power receiving components 34 corresponds to the positive and negative terminals of the power supply, forming a complete power supply circuit. This ensures that the electromagnet 311 receives a stable and continuous power input, thereby reliably generating the required magnetic repulsion force. The power receiving component 34 can be directly connected to the external power supply via wires, or through specific power supply settings (such as two conductive rails arranged along the first direction, allowing the power receiving component 34 to contact and connect electrically along the rails) to maintain a continuous power supply to the power receiving component 34 while ensuring the movement of the filter plate 2.

[0049] In some embodiments, the plate and frame filter press further includes a power supply assembly 5, which includes an operating lever 51 and at least two power supply plates 52. The operating lever 51 is movably mounted on the frame 1 and has an energized position and an de-energized position. The power supply plates 52 are mounted on the operating lever 51 and extend along a first direction. The power supply plates 52 are conductors and are used to connect to an external power source. When the operating lever 51 is in the energized position, the operating lever 51 is close to the power receiving part 33, and at least two power supply plates 52 are in contact with at least two power receiving parts 34 in a one-to-one correspondence to achieve conductivity. When the operating lever 51 is in the de-energized position, the operating lever 51 is away from the power receiving part 33, and the power supply plates 52 are separated from the power receiving parts 34.

[0050] In this embodiment, the plate and frame filter press also includes a dedicated power supply assembly 5. This power supply assembly 5 mainly includes an operating lever 51 and at least two power supply plates 52. The operating lever 51 is movably mounted on the frame 1 and has two distinct working positions: a "power-on position" and a "power-off position." At least two power supply plates 52 are fixedly mounted on the operating lever 51 and extend along a first direction (i.e., the arrangement direction of the filter plates 2). These power supply plates 52 are made of conductive material and are used to connect to an external power source.

[0051] In some specific embodiments, the power supply assembly 5 further includes a sliding seat 53 and a first cam 54. The sliding seat 53 is mounted on the frame 1, and both ends of the operating lever 51 are placed in the sliding seat 53. The operating lever 51 can move within the sliding seat 53 in a second direction without rotating. The operating lever 51 contacts the outer peripheral surface of the first cam 54. Rotation of the first cam 54 can move the operating lever 51 in the second direction, thereby placing the operating lever 51 in an energized position and an de-energized position.

[0052] In this embodiment, a sliding seat 53 can be provided on the frame 1, and both ends of the operating lever 51 are constrained within the sliding seat 53. The design of the sliding seat 53 allows the operating lever 51 to move along the second direction (see attached diagram). Figure 1The lever 51 moves smoothly in the up-down direction (as shown), while preventing rotation (e.g., the end of the lever 51 is in the up-down direction, or the end of the lever 51 is secured in the sliding seat 53 by a locking block), ensuring the accuracy of the movement trajectory. The cross-sectional shape of the lever 51 can be circular or square to adapt to different installation and guiding requirements. The mechanism for switching the lever 51 between two positions can be a first cam 54. The lever 51 (or the component connected to it) maintains contact with the outer peripheral surface of the first cam 54. By using a motor or manually rotating the first cam 54, its eccentric profile can push the lever 51 to move in the second direction, thereby accurately reaching the energized or de-energized position.

[0053] The working process is as follows: When the filter press is completed and the filter plates 2 need to be separated, the control system 7 through-hole 411 controls the motor drive or the operator to rotate the first cam 54, driving the operating lever 51 to the "energized position". At this time, the operating lever 51, carrying the power supply piece 52, approaches the receiving part 33 mounted on the filter plate 2. Since the power supply piece 52 extends along the first direction, its length is sufficient to cover the receiving parts 34 of multiple filter plates 2. After precise alignment, at least two power supply pieces 52 correspond to and are in close contact with at least two receiving parts 34 on the corresponding receiving parts 33 of the filter plate 2, forming a conductive path. The current from the external power source is then transmitted to the electromagnet 311 through the power supply piece 52 and the receiving part 34, causing it to be energized and generate magnetic repulsion. This achieves the separation of the filter plates 2, and during the separation of the filter plates 2, the receiving part 33 can move relative to the operating lever 51 along the first direction to maintain continuous contact between the receiving part 34 and the power supply piece 52. After the filter plate 2 is separated and cleaned, reverse the first cam 54 and pull the operating lever 51 back to the "power off position" so that it is away from the power receiving part 33. The power supply piece 52 is separated from the power receiving part 34, the circuit is broken, and the electromagnet 311 is de-energized.

[0054] This embodiment centrally powers multiple drive components 3 through a single movable operating lever 51, resulting in a compact structure. Position switching is controlled by a cam mechanism, ensuring reliable operation and accurate positioning. This avoids the risks and clutter associated with wire connections and ensures that the power receiving part 33 maintains a sliding connection with the power supply piece 52 and remains conductive as the filter plate 2 moves.

[0055] In some embodiments, the working component 41 includes a plate 413 extending in a first direction, the plate 413 being movable in a second direction to approach or move away from the filter plate 2, the second direction being perpendicular to the first direction.

[0056] In this embodiment, the main body of the working component 41 is a plate 413 extending along a first direction (i.e., the arrangement direction of the filter plates 2, such as the left-right direction). This plate 413 is configured to move along a second direction (up-down direction), thereby enabling it to move as a whole closer to or further away from the filter plate 2 group located below it. The second direction is perpendicular to the first direction.

[0057] The plate 413 can be specifically positioned on top of the filter plate 2 assembly in its installation layout. One end is connected to the frame 1 or via other structure, while the other end extends freely in a cantilever form, thus covering all the filter plates 2 below. Multiple elastic pads 412 (e.g., rubber pads) can also be provided on the side of the plate 413 facing the filter plates 2. These elastic pads 412 are spaced apart along a first direction, and when the plate 413 descends close to the filter plates 2, these elastic pads 412 will contact the surface of the filter plates 2 to enhance friction, provide cushioning, and transmit vibration.

[0058] Its core operating principle lies in the overall lifting and lowering movement of the plate 413. When cleaning or vibration cake unloading operations are required, the plate 413 is controlled to move along the second direction (downward) to approach the target filter plate 2. If spray cleaning is performed, the plate 413 can remain a certain distance above the filter plate 2 for spraying. If contact vibration cake unloading is performed, the plate 413 continues to descend until the elastic pad 412 on it contacts the surface of the filter plate 2, and then the vibration mode is activated. Of course, it can also vibrate and spray cleaning agent simultaneously after contacting the filter plate 2. After the work is completed, the plate 413 moves along the second direction (upward) away from the filter plate 2 and returns to a safe position.

[0059] In some embodiments, the cleaning component 4 includes a support base 42 and a linear drive component 43. The support base 42 is connected to the frame 1, the linear drive component 43 is disposed on the support base 42, and the plate 413 is connected to the linear drive component 43. The linear drive component 43 can drive the plate 413 to move along a second direction.

[0060] In this embodiment, the cleaning assembly 4 further includes a support base 42 and a linear drive component 43. The support base 42 is fixedly connected to the frame 1, providing a stable mounting base for the entire cleaning assembly 4. The linear drive component 43 is disposed on the support base 42. The plate 413 extending along a first direction (e.g., the end near the frame 1) is connected to the output end of the linear drive component 43. By controlling the linear drive component 43, the plate 413 can be directly driven to move precisely and controllably in a second direction (e.g., the up-down direction), thereby moving closer to or away from the filter plate 2.

[0061] In some specific embodiments, the linear drive component 43 is a lead screw and nut structure. For example, the drive motor is mounted on the support base 42, and its output shaft is connected to a vertically arranged lead screw. A nut that mates with the lead screw is fixed on the plate 413, and the plate 413 is fixedly connected to the nut. When the motor drives the lead screw to rotate, the nut drives the plate 413 to move up and down linearly along the lead screw.

[0062] In some embodiments, the cleaning component 4 includes a vibration driving component 44, which is disposed between and connects the linear driving component 43 and the plate 413. The vibration driving component 44 can drive the plate 413 to vibrate along a first direction.

[0063] In this embodiment, the cleaning component 4 further includes a vibration driving component 44. This vibration driving component 44 is disposed between the linear driving component 43 and the plate 413, and is connected to both. Its core function is to drive the plate 413 to reciprocate along a first direction (i.e., the left-right direction, consistent with the arrangement direction of the filter plates 2).

[0064] The vibration drive component 44 includes a vibration motor, or the vibration drive mechanism includes a support plate 441. The support plate 441 is provided with a mounting groove 442. The side of the plate 413 facing the support plate 441 is placed in the mounting groove 442 and can move in the mounting groove 442 along a first direction. A spring 443 is provided between the plate 413 and the support plate 441. An arc-shaped rod 445 is provided on the plate 413. A second cam 444 is provided on the support plate 441. The arc-shaped rod 445 can contact the outer edge surface of the second cam 444 so that the plate 413 reciprocates along the first direction under the action of the second cam 444 and the spring 443.

[0065] Specifically, the vibration drive component 44 includes a support plate 441 connected to the movable output end (e.g., a nut) of the linear drive component 43. A mounting groove 442 is formed on the support plate 441. The side of the plate 413 facing the support plate 441 (e.g., the end connected to the linear drive component 43) is placed within this mounting groove 442 and can slide within the mounting groove 442 in a limited manner along a first direction (i.e., the length direction of the groove). A spring 443 is provided between the plate 413 and the wall of the mounting groove 442 of the support plate 441 to provide a restoring force to the plate 413. To drive vibration, an arc-shaped rod 445 is fixed on the plate 413, while a rotatable second cam 444 is mounted on the support plate 441. The second cam 444 can be driven by a motor, and its outer edge is designed with a specific profile. When the second cam 444 is driven to rotate by the motor, its outer edge periodically contacts and pushes the arc-shaped rod 445, thereby causing the plate 413 to move to one side against the force of the spring 443. When the cam profile has rotated and no longer pushes against the arc-shaped rod 445, the plate 413 moves to the other side under the action of the restoring force of the spring 443. As the second cam 444 continues to rotate, it drives the plate 413 to reciprocate in the first direction within the mounting groove 442.

[0066] During operation, when the plate 413 descends via the linear drive component 43 and comes into contact (or slightly contacts) with the surface of the filter plate 2, the control system 7 activates the vibration drive component 44. The second cam 444 begins to rotate, and through the cooperation of the arc rod 445 and the spring 443, the rotational motion is converted into high-frequency, small-amplitude reciprocating vibration of the plate 413 in the first direction. This vibration is transmitted through the plate 413 to the elastic pad 412 on it, and then acts on the surface of the filter plate 2, causing the firmly attached mud cake to loosen and peel off due to forced vibration.

[0067] In some embodiments, the plate body 413 has a cavity inside, which is used to communicate with a water pump. The plate body 413 has a through hole 411 on the side facing the filter plate 2 that communicates with the cavity. The cleaning agent is pumped into the cavity by the water pump and sprayed out through the through hole 411.

[0068] In this embodiment, the plate 413 is constructed as a structure with a sealed chamber inside. This chamber is connected to an external water pump via a pipe. On the side of the plate 413 facing the filter plate 2 (i.e., the lower surface), there are multiple through holes 411 that communicate with the internal chamber.

[0069] In some specific embodiments, the through hole 411 can be set in the area between adjacent elastic pads 412, or other arrangements that do not interfere with the function of the elastic pads 412 can be adopted.

[0070] Its working process combines spraying and vibration: When cleaning is required, the water pump starts, pumping the cleaning agent (such as clean water or a specific cleaning solution) into the internal chamber of the plate 413. Under pressure, the cleaning agent is evenly sprayed out from all the through holes 411 on the lower surface of the plate 413, forming a cleaning curtain covering the surface of the filter plate 2 below. If vibration cake unloading is required at the same time, the plate 413 is driven to contact the filter plate 2 by the linear drive component 43 at the same time as or before and after spraying, and the vibration drive component 44 is activated to make the plate 413 vibrate in the first direction. At this time, the filter plate 2 vibrates together with the elastic pad 412 in contact with the surface of the filter plate 2, or by using the filter plate 2 to be stuck between two adjacent elastic plates, etc., while the sprayed cleaning agent can wash away the loosened mud cake residue, realizing the combined operation of "vibration-washing" for a more thorough effect.

[0071] In this embodiment, spraying and vibration can work together. Vibration causes the mud cake to peel off, while spraying rinses it immediately. The two complement each other, greatly improving the cleaning efficiency and cleanliness of stubborn mud cakes.

[0072] In some embodiments, the plate and frame filter press further includes a detection component 6 and a control system 7. The detection component 6 includes at least one of a vision detection unit 61 and a weight detection unit 62. The vision detection unit 61 is used to detect the surface condition of the filter plate 2, and the weight detection unit 62 is used to detect the weight of the filter plate 2. The control system 7 is electrically connected to the detection component 6 and is used to control the operation of at least one of the vibration drive component 44 and the water pump according to the information fed back by the detection component 6.

[0073] In this embodiment, the plate and frame filter press further includes a detection component 6 and a control system 7. The detection component 6 includes at least one of a vision detection unit 61 and a weight detection unit 62. The vision detection unit 61 (e.g., an industrial camera or a miniature camera) is used to acquire and analyze image information of the surface of the filter plate 2, thereby detecting surface conditions such as whether the sludge cake has completely detached and whether the filter cloth is clean. The vision detection unit 61 can be disposed on the plate body 413, for example, by forming a mounting groove 442 on the plate body 413 and placing the vision detection unit 61 within the mounting groove 442.

[0074] The weight detection unit 62 (e.g., a weighing sensor installed at the hanging point of the filter plate 2 or below the filter plate 2) is used to detect the weight change of a single filter plate 2 or a group of filter plates 2 in real time or periodically, indirectly determining the adhesion and detachment of the sludge cake. The control system 7 is electrically connected to the detection component 6, receives the detection information (such as image data and weight data) fed back by it, and controls the operation of the vibration drive component 44 and / or the water pump in the cleaning component 4 according to the preset program logic.

[0075] The automated workflow achieved through control system 7 is as follows: After filter plate 2 is magnetically driven to separate, detection component 6 is activated. Vision inspection unit 61 scans the surface of filter plate 2. If a large area of ​​residue remains, control system 7 first instructs cleaning component 4 to descend and activates vibration drive component 44 to vibrate and remove the residue. Afterward, vision inspection unit 61 checks again. If stains remain, control system 7 instructs water pump to start for spray cleaning, and vibration can be performed simultaneously or alternately until vision inspection unit 61 determines that cleaning is satisfactory. Alternatively, weight detection unit 62 records the weight of filter plate 2 before and after residue removal. If the weight reduction does not reach a preset threshold (indicating insufficient residue removal), control system 7 will also trigger vibration or spraying for further cleaning until the weight change meets requirements. Furthermore, the system can also determine the filter cloth clogging status based on weight data and adjust the cleaning strategy accordingly.

[0076] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, 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. Therefore, they should not be construed as limitations on this invention.

[0077] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0078] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between them; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0079] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0080] In this invention, the terms "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to a specific feature, structure, material, or characteristic described in connection with that embodiment or example, which is included in at least one embodiment or example of the invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0081] Although the above embodiments have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Any changes, modifications, substitutions and variations made to the above embodiments by those skilled in the art are within the protection scope of the present invention.

Claims

1. A plate and frame filter press, characterized in that, include: Rack (1); Multiple filter plates (2) are arranged on the frame (1) and are movable in a first direction; The plurality of filter plates (2) are arranged sequentially in the first direction; Multiple drive components (3) are provided, and each drive component (3) corresponds to a filter plate (2). Each drive component (3) includes a magnet assembly (31) mounted on the filter plate (2) and a mounting base (32). The magnet assemblies (31) on two adjacent filter plates (2) can generate a repulsive force to drive the two adjacent filter plates (2) to separate from each other. The magnet assembly (31) is mounted on the filter plate (2) via the mounting base (32). A cleaning assembly (4) is mounted on the frame (1). The cleaning assembly (4) includes a working part (41), a support base (42), a linear drive component (43), and a vibration drive component (44). The working part (41) includes a plate (413) extending along a first direction. The plate (413) is movable along a second direction to approach or move away from the filter plate (2). The second direction is perpendicular to the first direction. The support base (42) is connected to the frame (1). The linear drive component (43) is mounted on the support base (42). The plate (413) is movable along a second direction to approach or move away from the filter plate (2). (413) is connected to the linear drive component (43), which can drive the plate (413) to move along the second direction; the plate (413) has a cavity inside, which is used to communicate with the water pump, and the plate (413) has a through hole (411) communicating with the cavity on the side facing the filter plate (2); the vibration drive component (44) is disposed between the linear drive component (43) and the plate (413) and connects the two, and the vibration drive component (44) can drive the plate (413) to move and vibrate along the first direction; The working component (41) can spray a cleaning agent to rinse at least a portion of the plurality of filter plates (2), the cleaning agent being pumped into the chamber by the water pump and sprayed out through the through hole (411); the working component (41) can contact and vibrate at least a portion of the plurality of filter plates (2) to remove the mud cake attached to the filter plates (2).

2. The plate and frame filter press according to claim 1, characterized in that, The magnet assembly (31) includes an electromagnet (311) and a permanent magnet (312). In the first direction, the mounting base (32) has a first end face (321) and a second end face (322) opposite to each other. The electromagnet (311) is disposed on the first end face (321), and the permanent magnet (312) is disposed on the second end face (322). In two adjacent mounting bases (32), an electromagnet (311) on one mounting base (32) is directly opposite a permanent magnet (312) on the other mounting base (32), and when the electromagnet (311) is energized, a repulsive force is generated between the electromagnet (311) and the corresponding permanent magnet (312).

3. The plate and frame filter press according to claim 2, characterized in that, The drive assembly (3) further includes a power receiving part (33) disposed on the mounting base (32), the power receiving part (33) includes at least two power receiving components (34), the power receiving components (34) are conductors and are electrically connected to the electromagnet (311).

4. The plate and frame filter press according to claim 3, characterized in that, It also includes a power supply component (5), which includes: The operating lever (51) is movably mounted on the frame (1) and has an on-state and an off-state position; At least two power supply plates (52) are provided on the operating lever (51) and extend along the first direction. The power supply plates (52) are conductors and are used to connect to an external power source. When the operating lever (51) is in the energized position, the operating lever (51) is close to the power receiving part (33), and at least two of the power supply pieces (52) are in contact with at least two of the power receiving components (34) to achieve conductivity. When the operating lever (51) is in the de-energized position, the operating lever (51) is away from the power receiving part (33), and the power supply pieces (52) are separated from the power receiving components (34).

5. The plate and frame filter press according to claim 1, characterized in that, Also includes: The detection component (6) includes at least one of a visual detection unit (61) and a weight detection unit (62), wherein the visual detection unit (61) is used to detect the surface state of the filter plate (2) and the weight detection unit (62) is used to detect the weight of the filter plate (2). The control system (7) is electrically connected to the detection component (6) and is used to control at least one of the vibration drive component (44) and the water pump according to the information fed back by the detection component (6).

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