An oil-contaminated water waste water filtering device

Abstract

The application relates to the technical field of filtering devices, and discloses an oil and sewage wastewater filtering device, which comprises a treatment box, a plurality of filter frame structures are arranged in the treatment box, two adjacent filter frame structures are connected through filter plate connecting chains, and filter cloth is connected between the two adjacent filter frame structures; the oil and sewage wastewater filtering device can make the plurality of filter frame structures vibrate multiple times during opening and mutual adhesion, can clean filter cakes during normal movement of the filter frame structures, and can make the filter cloth be in an inclined state during movement of the filter frame structures through a filter cloth supporting assembly, so that the effect of separating filter cakes is better, the time required for cleaning filter cakes can be reduced while ensuring the effect of separating filter cakes, and the efficiency of cleaning filter cakes and filtering and treating oil and sewage is improved.

Description

Technical Field

[0001] This invention relates to the field of filtration device technology, and specifically to an oily wastewater filtration device. Background Technology

[0002] In the intertwining of industrial production and daily life, oily wastewater acts like a lurking "ecological killer," silently yet destructively threatening the environment upon which we depend for survival. These wastewaters originate from a wide range of sources, including oil extraction, chemical manufacturing, machinery processing, and catering services. If discharged into natural water bodies without effective treatment, the resulting damage will spread like dominoes. Filter presses are one of the core pieces of equipment for treating oily wastewater, primarily using pressure to achieve solid-liquid separation and remove impurities such as oil and suspended solids from the wastewater.

[0003] Patent document CN119236481A discloses a plate and frame filter press. The included angle of the scraper in this plate and frame filter press is adjusted according to the weight of the filter cake to ensure smooth removal of the filter cake, especially for filter cakes with high moisture content and high weight, which can be cleanly scraped off and avoid residue. However, this patent still has the following technical problems:

[0004] During the filter cake cleaning process, it is necessary to first separate two adjacent plate frames and establish a certain gap between them. Then, the displacement component moves the hanging plate assembly between the two plate frames. By adjusting the hanging plate to a suitable angle, the scraper moves downward between the two plate frames to scrape off the filter cake. After scraping off the filter cake, the scraper needs to be raised, and the above process is repeated. This makes the entire filter cake cleaning process take a long time, which in turn affects the efficiency of subsequent filtration of oily wastewater. Summary of the Invention

[0005] This invention provides an oily wastewater filtration device, which aims to solve the problem of low wastewater treatment efficiency caused by the long time required to clean the filter cake.

[0006] An oily wastewater filtration device of the present invention includes:

[0007] Processing box;

[0008] Multiple filter frame structures are set inside the processing box. Adjacent filter frame structures are connected by filter plate connecting chains. Filter cloth is connected between adjacent filter frame structures. Filter cloth support assemblies are installed between adjacent filter frame structures. When adjacent filter frame structures are in a compressed state, the filter cloth support assembly is used to ensure that the filter cloth fits tightly with the filter frame structure. When adjacent filter frame structures are in a stretched state, the filter cloth support assembly is used to make the filter cloth form an inverted V shape.

[0009] The support beam is installed inside the processing box, and a support base is provided below the support beam;

[0010] A lifting assembly is disposed between the support beam and the support base. The lifting assembly includes multiple first lifting structures and multiple second lifting structures. The first lifting structures and second lifting structures are distributed at intervals. The first lifting structures and second lifting structures are used to cause the filter frame structure to displace in the height direction.

[0011] The reset assembly is connected to the filter frame structure. The reset assembly and the lifting assembly are used to cause the multiple filter frame structures to vibrate in the vertical direction during the pressing and pulling process.

[0012] Both the conversion seat structure and the displacement structure are set on the support seat. The displacement structure is used to move multiple filter frame structures in sequence and to displace the conversion seat structure. The displacement of the conversion seat structure allows the first lifting structure and the second lifting structure to be used alternately.

[0013] Preferably, the filter cloth support assembly includes a mounting base, a rotating support rod, and a support guide roller. There are two mounting bases, which are respectively installed on one side of two adjacent filter frame structures. A rotating support rod is hinged to each of the two mounting bases. The ends of the two rotating support rods away from the mounting bases are hinged together. The support guide roller is rotatably connected to the two rotating support rods.

[0014] Preferably, both the first and second lifting structures include a support spring, a support roller, a support rod, and a lifting block. One end of the support spring is connected to the support beam, and the other end of the support spring is connected to the support roller. A portion of the support rod is located inside the support spring, and the bottom end of the support rod is connected to the support roller. The top end of the support rod is connected to the lifting block. The lifting block is a right-angled triangle. The lifting blocks included in the first and second lifting structures have opposite inclination directions. Multiple storage slots are provided on one side of the support beam, and the size of the lifting block is adapted to the size of the storage slots.

[0015] Preferably, the reset assembly includes a mounting frame, a reset spring, a guide rail, a slide block, and a spring fixing assembly. The mounting frame is connected to the filter frame structure. A guide groove is provided on one side of the mounting frame. The reset spring is disposed inside the guide groove. The guide rail is installed on one side of the support beam. There are multiple slide blocks, each of which is slidably connected to the guide rail. A guide slider is connected to one side of each slide block. The guide slider is located inside the guide groove and is slidably connected to the guide groove. The spring fixing assembly is disposed between the guide slider and the mounting frame. The spring fixing assembly is used to install and remove the reset spring.

[0016] Preferably, the reset assembly includes a mounting frame, a reset spring, a guide rail, a slide block, and a spring fixing assembly. The mounting frame is connected to the filter frame structure. A guide groove is provided on one side of the mounting frame. The reset spring is disposed inside the guide groove. The guide rail is installed on one side of the support beam. There are multiple slide blocks, each of which is slidably connected to the guide rail. A guide slider is connected to one side of each slide block. The guide slider is located inside the guide groove and is slidably connected to the guide groove. The spring fixing assembly is disposed between the guide slider and the mounting frame. The spring fixing assembly is used to install and remove the reset spring.

[0017] Preferably, the conversion seat structure includes a second guide rail, a second slide, a movable frame, a wave-shaped conversion frame, and a driven push plate. The second guide rail is mounted on a support base, and the length direction of the second guide rail is parallel to the length direction of the support base. There are multiple second slides, and all of the second slides are slidably connected to the second guide rail. The movable frame is connected to one end of the multiple second slides. The wave-shaped conversion frame is mounted on the side of the movable frame away from the second slide. The support roller is located on the wave-shaped conversion frame and is slidably connected to the wave-shaped conversion frame. Two driven push plates are fixedly mounted on one side of the movable frame.

[0018] Preferably, the displacement structure includes a linear module, a module slider, a movable pull seat, an active push plate, and a slide block. The linear module is mounted on a support base, and the length direction of the linear module is parallel to the length direction of the processing box. The module slider is disposed on the linear module. The movable pull seat is mounted on the top side of the module slider. The movable pull seat is connected to a filter frame structure located at the end through a filter plate connecting chain. The active push plate and the slide block are both mounted on one side of the movable pull seat. The slide block is slidably connected to the guide rail. The positions of the active push plate and the driven push plate correspond to each other.

[0019] Preferably, both ends of the movable frame are connected to a magnet, and two magnets are installed on the guide rail. The positions of magnets one and magnets two are corresponding, and there is a one-to-one correspondence between magnets one and magnets two. The polarities of magnets one and magnets two that are close to each other are opposite.

[0020] Preferably, the filter frame structure includes a filter frame, and two symmetrical sides of the filter frame are fixedly mounted with a movable wheel mounting bracket. A movable wheel is rotatably connected to one side of the movable wheel mounting bracket, and the movable wheel is located on the support beam and is in rolling connection with the support beam.

[0021] Preferably, a disassembly assembly is provided between the movable wheel mounting bracket, the mounting bracket, and the guide slider. The disassembly assembly is used to connect or separate the movable wheel mounting bracket and the mounting bracket. The disassembly assembly includes a positioning threaded rod, a positioning nut, a locking threaded rod, and a locking nut. A positioning insertion hole is provided on one side of the movable wheel mounting bracket. The positioning threaded rod is connected to the mounting bracket. There are at least two positioning threaded rods and positioning insertion holes. The positioning threaded rod is inserted into the interior of the positioning insertion hole. The positioning threaded rod and the positioning insertion hole correspond one-to-one. The positioning nut is threadedly connected to the positioning threaded rod. The locking threaded rod is installed on the side of the guide slider away from the guide rail. The locking nut is threadedly connected to the locking threaded rod. The width of the opposite side of the locking nut is greater than the width of the guide groove.

[0022] The beneficial effects of this invention are:

[0023] 1. Through the cooperation of the first lifting structure, the second lifting structure, and the reset component, multiple filter frame structures can vibrate repeatedly during opening and mutual contact. This allows for filter cake cleaning during the normal movement of the filter frame structures. The filter cloth support component tilts the filter cloth during the movement of the filter frame structures, significantly weakening the adhesion between the filter cake and the filter cloth. The tilted filter cloth also vibrates under vibration, disrupting the microscopic bonding structure between the filter cake and the filter cloth and further loosening the filter cake's structure. Simultaneously, as the filter frame structures rise, the angle between the rotating support rods increases, further increasing the tilt angle of the filter cloth. The vibration and tilting of the filter cloth enhance the filter cake separation effect, reducing the time required for cleaning the filter cake while ensuring effective separation. This improves the efficiency of cleaning the filter cake and filtering oily wastewater.

[0024] 2. Through the set displacement structure and conversion seat structure, the height of the first lifting structure and the second lifting structure can be automatically adjusted after multiple filter frame structures are fully fitted and fully separated. This allows the first lifting structure and the second lifting structure to be used alternately, avoiding the need to adjust the first lifting structure and the second lifting structure separately, and avoiding the time required for adjusting the first lifting structure and the second lifting structure. This further improves the efficiency of cleaning filter cake and filtering oily wastewater. Attached Figure Description

[0025] Figure 1 This is a first-view structural schematic diagram of the present invention.

[0026] Figure 2 This is a schematic diagram of the second perspective structure of the present invention.

[0027] Figure 3 This is a first-view structural schematic diagram of the filter frame structure and its connecting components of the present invention.

[0028] Figure 4This is a second-view structural schematic diagram of the filter frame structure and its connecting components of the present invention.

[0029] Figure 5 This is a third-view structural diagram of the filter frame structure and its connecting components of the present invention.

[0030] Figure 6 This is a partial structural schematic diagram of the filter frame structure and its connecting components of the present invention.

[0031] Figure 7 This is the present invention. Figure 6 A magnified structural diagram of point A in the middle.

[0032] Figure 8 This is a first-view structural schematic diagram of the filter frame structure of the present invention.

[0033] Figure 9 This is a second-view structural schematic diagram of the filter frame structure of the present invention.

[0034] Figure 10 This is a schematic diagram of the displacement structure of the present invention.

[0035] Figure 11 This is a schematic diagram of the conversion seat structure of the present invention.

[0036] Figure 12 This is a partial structural schematic diagram of the support beam of the present invention.

[0037] Figure 13 This is a structural schematic diagram of the mounting bracket and its connecting components of the present invention.

[0038] Figure 14 This is an exploded structural diagram of the mounting bracket and its connecting components of the present invention.

[0039] Figure 15 This is a schematic diagram showing the positional relationship between the first lifting structure and the second lifting structure of the present invention.

[0040] Figure 16 This is a schematic diagram of the filter cloth position structure when the filter frame structure of the present invention is in the extended state.

[0041] Figure label:

[0042] 10. Processing box; 11. Hydraulic cylinder; 12. Pressing plate; 13. Drain pipe; 14. Sewage inlet pipe; 15. Control valve; 16. Booster pump; 20. Filter frame structure; 201. Filter frame; 202. Caster mounting bracket; 2021. Positioning hole; 203. Caster wheel; 21. Filter cloth; 22. Mounting base; 23. Rotating support rod; 24. Support guide roller; 30. Support beam; 301. Storage groove; 31. Support base; 32. Support spring; 33. Support roller; 34. Support top rod; 35. Lifting block; 40. Mounting bracket; 40 1. Guide rail; 41. Return spring; 42. Guide rail one; 43. Slide one; 44. Guide slider; 45. Mounting rod; 46. Threaded rod; 47. Clamping nut; 48. Positioning threaded rod; 49. Positioning nut; 410. Locking threaded rod; 411. Locking nut; 50. Guide rail two; 51. Slide two; 52. Moving frame; 53. Wave-shaped conversion frame; 54. Driven push plate; 55. Magnet one; 56. Magnet two; 60. Linear module; 61. Module slider; 62. Moving pull base; 63. Active push plate; 64. Slide three. Detailed Implementation

[0043] 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.

[0044] like Figures 1 to 16As shown, an oily wastewater filtration device of the present invention includes a treatment tank 10. Multiple filter frame structures 20 are arranged inside the treatment tank 10. Adjacent filter frame structures 20 are connected by filter plate connecting chains. Filter cloth 21 is connected between adjacent filter frame structures 20. A filter cloth support assembly is installed between adjacent filter frame structures 20. The filter cloth support assembly is used to adjust the state of the filter cloth. When adjacent filter frame structures 20 are in a compressed state, the filter cloth support assembly is used to ensure that the filter cloth 21 fits tightly with the filter frame structure. When adjacent filter frame structures 20 are in a stretched state, the filter cloth support assembly is used to make the filter cloth 21 form an inverted V-shape, thereby improving the separation effect between the filter cake and the filter cloth 21. A support beam 30 and a support base 31 are installed inside the treatment tank 10. The support base 31 is located below the support beam 30. The length direction of the support beam 30 and the support base 31 is perpendicular to the length direction of the treatment tank 10. The filter frame structures 20 are parallel in length and move along the length of the support beam 30. A lifting assembly is provided between the support beam 30 and the support base 31. A reset assembly is connected to the filter frame structure 20. The reset assembly and the lifting assembly are used to cause the multiple filter frame structures 20 to vibrate during the pressing and pulling process, so as to better separate the filter cake on the filter cloth 21. The lifting assembly includes multiple first lifting structures and second lifting structures provided on the support beam 30. The first lifting structures and second lifting structures are distributed at intervals. The first lifting structures and second lifting structures are used to cause the filter frame structure 20 to move in the height direction. A conversion seat structure is provided on the support base 31 and moves along the length of the support base 31. The conversion seat structure is used to allow the first lifting structure and the second lifting structure to be used alternately. A displacement structure is provided on the support base 31. The displacement structure is used to move the multiple filter frame structures 20 in sequence and cause the conversion seat structure to move.

[0045] After multiple filter frame structures 20 are attached together, the filter frame structure 20 is located between two adjacent first lifting structures. When filtering oily wastewater, a part of the first lifting structure is located above the support beam 30. Multiple filter frame structures 20 are attached together, and the filter cloth 21 is tightly attached to the filter frame structure 20 to form a filtration barrier. The oily wastewater is filtered through the filter frame structure 20 and the filter cloth 21 to form a filter cake. After the filtration operation is completed, the multiple filter frame structures 20 are separated in sequence by a displacement structure. During the separation process, the filter cake will fall off, and the filter cake will fall off between two adjacent filter frames. During the separation of structure 20, the state of the filter cloth support assembly changes accordingly. At this time, the filter cloth 21 will no longer be tightly attached to the filter frame structure 20 and will be in an inclined state. The inclined state of the filter cloth 21 allows the filter cake to fall off more effectively. Furthermore, during the movement of the filter frame structure 20, when it reaches the position of the first lifting structure, the filter frame structure 20 will shift upwards. When the filter frame structure 20 separates from the first lifting structure, the reset assembly exerts a downward force on the filter frame structure 20. This force, combined with the gravity of the filter frame structure 20, allows the filter frame structure 20 to... The vibration causes the filter cake adhering to the filter cloth 21 to detach. During the lifting and movement of the filter frame structure 20, the tilt angle of the filter cloth 21 continuously changes via the filter cloth support assembly. This significantly weakens the adhesion between the filter cake and the filter cloth 21. Furthermore, the vibration causes the filter cloth 21 to shake, disrupting the microscopic bonding structure between the filter cake and the filter cloth and further loosening the filter cake's structure, resulting in better filter cake detachment. When multiple filter frame structures 20 separate, the displacement structure causes the conversion seat structure to shift. At this point, the first lifting... The lifting structure will move downwards and cause the second lifting structure to move upwards. During the process of the filter frame structure 20 moving and fitting together, the second lifting structure and the reset component will cause the filter frame structure 20 to vibrate again, thereby causing the filter cloth 21 to vibrate again, so that the filter cloth 21 is completely separated from the filter cake. The filter cake can be separated during the separation and fitting process of the filter frame structure 20, simplifying the filter cake cleaning process. The filter cake separation operation can be completed simply by moving the filter frame structure 20 normally, thereby reducing the time required to clean the filter cake and improving the efficiency of subsequent filtration of oily wastewater.

[0046] It should be noted that a cover can be installed on the top of the processing box 10 to prevent external objects such as dust from entering the interior of the processing box 10, and a filter cake discharge channel is provided at the bottom of the processing box 10 to facilitate the discharge of filter cake.

[0047] like Figure 5 , Figure 6 , Figure 8 and Figure 9The filter cloth support assembly includes a mounting base 22 connected to two adjacent filter frame structures 20. Each mounting base 22 is hinged with a rotating support rod 23. The ends of the two rotating support rods 23 away from the mounting base 22 are hinged together. The ends of the two rotating support rods 23 away from the mounting base 22 are rotatably connected to a support guide roller 24. The support guide roller 24 is used to support the filter cloth 21 and turn the filter cloth 21.

[0048] After the filter device is installed, one end of the filter cloth 21 is connected to the bottom of one side of a filter frame structure 20, and the other end of the filter cloth 21 is connected to the bottom of one side of another filter frame structure 20. The filter cloth 21 is rotated by the support guide roller 24, and the support guide roller 24 is in rolling contact with the filter cloth 21. When multiple filter frame structures 20 are in a compressed state, an inverted V-shape is formed between the two rotating support rods 23, and the support guide roller 24 is in close contact with the filter cloth 21, thus keeping the filter cloth 21 in a taut state and in close contact with the filter frame structure 20. During the process of separating two adjacent filter frame structures 20, the ends of the two rotating support rods 23 and the support guide roller 24 move downward, and the included angle between the two rotating support rods 23 increases. During this process, the filter cloth 21 gradually opens and is in an inverted V-shape by the support guide roller 24. Figure 16 As shown, at this time, the filter cloth 21 is no longer attached to the filter frame structure 20, and the filtration part of the filter cloth 21 is in an inclined state. The inclined filter cloth 21 allows the filter cake to fall off the filter cloth more effectively. As the filter frame structure 20 rises, a rotating support rod 23 rises with it. At this time, the angle between the two rotating support rods 23 further increases, making the filter cloth 21 more inclined. As the filter frame structure 20 descends, the inclined filter cloth 21 and vibration make the cleaning effect of the filter cake better.

[0049] It should be noted that the position of the mounting base 22 can be adjusted along the height direction of the filter frame structure 20. By adjusting the position of the mounting base 22, the height of the support guide roller 24 can be finely adjusted. By finely adjusting the height of the support guide roller 24, the tension of the filter cloth 21 can be adjusted, so that the filter cloth 21 is in a taut state, avoiding the situation where the filter cloth 21 is not tightly attached to the filter frame structure 20 due to being too loose. In addition, a limit rod is provided on the mounting base 22. After the two filter frame structures are tightly attached, the limit rod limits the rotation support rod 23, preventing the rotation angle of the rotation support rod 23 from being too large, so that the two rotation support rods 23 are kept at a specific angle.

[0050] like Figure 10 , Figure 12 and Figure 15Both the first and second lifting structures include a support spring 32 connected to the bottom side of the support beam 30. The bottom end of the support spring 32 is connected to a support roller 33. The top side of the support roller 33 is fixedly connected to a support rod 34. The top end of the support rod 34 is fixedly connected to a lifting block 35. The lifting block 35 is a right-angled triangle. The lifting blocks 35 on the first and second lifting structures are tilted in opposite directions. A plurality of storage slots 301 are provided on one side of the support beam 30. The size of the lifting blocks 35 and the storage slots 301 are matched. The number of storage slots 301 is the same as the sum of the number of the first and second lifting structures.

[0051] During the process of multiple filter frame structures 20 being pulled apart, the lifting block 35 included in the first lifting structure is located above the support beam 30. The inclined surface of the lifting block 35 included in the first lifting structure is opposite to the direction of movement of the filter frame structure 20, so that the filter frame structure 20 can move upward along the inclined surface of the lifting block 35, thereby increasing the height of the filter frame structure 20. When the displacement structure moves to a specific position, the conversion seat structure will move and lower the first lifting structure, causing the second lifting structure to rise. At this time, the lifting block 35 included in the first lifting structure is retracted into the storage groove 301, and the lifting block 35 included in the second lifting structure moves out from the storage groove 301 and moves above the support beam 30. When multiple filter frame structures 20 approach each other, the direction of movement of the filter frame structure 20 is opposite to the inclined surface of the lifting block 35 included in the second lifting structure, so that the filter frame structure can be lifted to a certain height by the inclined surface of the lifting block 35 included in the second lifting structure, thereby achieving the purpose of increasing the height of the filter frame structure 20.

[0052] It should be noted that the support rod 34 passes through the support beam 30 and extends into the interior of the storage groove 301. The support rod 34 is slidably connected to the support beam 30, and the support rod 34 corresponds one-to-one with the storage groove 301. A part of the support rod 34 is located inside the support spring 32. The support rod 34 can prevent the support spring 32 from bending during the deformation process.

[0053] like Figures 7-9 , Figure 13 and Figure 14The reset assembly includes a mounting bracket 40 connected to the filter frame structure 20. A guide groove 401 is provided on one side of the mounting bracket 40. A reset spring 41 is provided inside the guide groove 401. A guide rail 42 is installed on one side of the support beam 30. The length direction of the guide rail 42 is parallel to the length direction of the processing box 10. Multiple slide blocks 43 are slidably arranged on the guide rail 42. The number of slide blocks 43 is the same as the number of filter frame structures 20. Each slide block 43 corresponds to a filter frame structure 20. A guide slider 44 is connected to one side of the slide block 43. The guide slider 44 is located inside the guide groove 401 and is slidably connected to the guide groove 401. A spring fixing assembly is provided between the guide slider 44 and the mounting bracket 40. The spring fixing assembly is used to install and remove the reset spring 41.

[0054] As the filter frame structure 20 rises along the inclined surface of the lifting block 35, the mounting bracket 40 moves upward accordingly. At this time, the slide block 43 does not move upward, thus compressing the return spring 41. When the filter frame structure 20 separates from the lifting block 35, the filter frame structure 20 is no longer limited. At this time, the return force of the return spring 41 applies a downward force to the filter frame structure 20, thereby accelerating the falling speed of the filter frame structure 20 and increasing the kinetic energy of the filter frame structure 20. Through the gravity of the filter frame structure 20 itself and the force of the return spring 41, the filter frame structure 20 can better shake off the filter cake adhering to the filter cloth 21.

[0055] like Figure 13 and Figure 14 The spring fixing assembly includes a mounting rod 45 disposed inside the return spring 41. The mounting rod 45 passes through the bottom of the mounting bracket 40 and is slidably connected to the mounting bracket 40. One end of the mounting rod 45 is fixedly connected to a threaded rod 46. The inner wall of the guide slide groove 401 is provided with a threaded hole. The threaded rod 46 is threadedly connected to the threaded hole. One side of the guide slider 44 is provided with a through hole. The mounting rod 45 passes through the inside of the through hole. The diameter of the mounting rod 45 is adapted to the diameter of the through hole. Two clamping nuts 47 are threadedly connected to the outer surface of the mounting rod 45. The bottom end of the mounting bracket 40 is located between the two clamping nuts 47.

[0056] When installing the return spring 41 inside the guide groove 401, first place a clamping nut 47 inside the guide groove 401. Then, pass the mounting rod 45 through the bottom end of the mounting bracket 40 and into the guide groove 401. Next, place the return spring 41 between the guide slider 44 and a clamping nut 47. At this time, one end of the return spring 41 is in contact with the clamping nut 47, and the other end of the return spring 41 is in contact with the guide slider 44. Then, pass the mounting rod 45 through the inside of the return spring 41 and thread it into the threaded hole. During the threaded connection of the mounting rod 45 into the threaded hole, the mounting rod 45 is threaded into the clamping nut 47. Then, thread another clamping nut 47 into the mounting rod 45 and make it fit tightly against the bottom end of the mounting bracket 40, thus completing the installation of the return spring 41. When the return spring 41 is damaged or its elasticity is reduced, the return spring 41 can be removed and replaced.

[0057] It should be noted that when installing the clamping nut 47, an anti-slip pad can be first placed on the mounting rod 45 to increase the friction between the clamping nut 47 and the mounting bracket 40, making the position of the clamping nut 47 more stable and less prone to loosening.

[0058] like Figure 10 and Figure 11 The conversion seat structure includes a guide rail 50 mounted on a support base 31, a plurality of slide blocks 51 slidably arranged on the guide rail 50, a movable frame 52 fixedly connected to the top of the plurality of slide blocks 51, a wave-shaped conversion frame 53 fixedly mounted on the top side of the movable frame 52, a support roller 33 located on the wave-shaped conversion frame 53 and tactilely connected to the wave-shaped conversion frame 53, and two driven push plates 54 fixedly mounted on one side of the movable frame 52.

[0059] like Figure 6 and Figure 10 The displacement structure includes a linear module 60 mounted on a support base 31. The length direction of the linear module 60 is parallel to the length direction of the processing box 10. A module slider 61 is provided on the linear module 60. A movable pull seat 62 is fixedly mounted on the top side of the module slider 61. The movable pull seat 62 is connected to a filter frame structure 20 located at the end through a filter plate connecting chain. An active push plate 63 and a sliding seat 64 are fixedly mounted on one side of the movable pull seat 62. The sliding seat 64 is slidably connected to the guide rail 42. The active push plate 63 and the driven push plate 54 are positioned correspondingly.

[0060] When multiple filter frame structures 20 are in the pressing stage, the active push plate 63 is in contact with a driven push plate 54. The support roller 33 included in the first lifting structure is in contact with the protruding position of the wave-shaped conversion frame 53, and at this time, the support spring 32 included in the first lifting structure is compressed to its limit. The support roller 33 included in the second lifting structure is located in the recessed position of the wave-shaped conversion frame 53. The support roller 33 included in the second lifting structure plays a certain limiting role on the wave-shaped conversion frame 53 to prevent the wave-shaped conversion frame 53 from shifting position. When multiple filter frame structures 20 are in the pressing stage, the active push plate 63 is in contact with a driven push plate 54. When the structure 20 is pulled open, the linear module 60 drives the module slider 61 and the movable pull base 62 to move. At this time, the filter plate connecting chain drives a filter frame structure 20 located at the end to move. When the filter plate connecting chain connected to a filter frame structure 20 is in a taut state, it will drive the filter frame structure 20 connected to it to move, thereby causing multiple filter frame structures 20 to move step by step. Before the last filter frame structure 20 moves, the active push plate 63 contacts the driven push plate 54 located at the end and pushes the driven push plate 54 to move. At this time, the movable frame 52 drives the wave-shaped conversion frame 53 to move. When the second lifting structure includes a support roller 33, under the action of the wave-shaped conversion frame 53, it will drive the support rod 34 and the lifting block 35 to move upward and out of the storage groove 301, thereby compressing the support spring 32. Meanwhile, the support roller 33 included in the first lifting structure moves downward under the action of the support spring 32, causing it to move from the protruding position of the wave-shaped conversion frame 53 to the adjacent recessed position on the wave-shaped conversion frame 53. At this time, the lifting block 35 included in the first lifting structure retracts into the storage groove 301, allowing the second lifting structure to... The support roller 33 included in the lifting structure moves from the recessed position of the wave-shaped conversion frame 53 to the adjacent protruding position on the wave-shaped conversion frame 53. Thus, when the filter frame structures 20 are pressed together, the lifting block 35 included in the second lifting structure can lift the filter frame structure 20. Similarly, before the filter frame structure 20 is pressed, the wave-shaped conversion frame 53 is pushed back to its original position by the cooperation of the active push plate 63 and another driven push plate 54. Thus, the lifting block 35 included in the first lifting structure can be lifted again, and the lifting block 35 included in the second lifting structure can be retracted into the storage groove 301.

[0061] like Figure 10 Both ends of the movable frame 52 are connected to magnet 55. Two magnets 56 are installed on the guide rail 50. The positions of magnet 55 and magnet 56 are corresponding. Magnet 55 and magnet 56 are one-to-one. The polarities of magnet 55 and magnet 56 on the side that are close to each other are opposite.

[0062] When multiple filter frame structures 20 are tightly fitted together, magnet 55 at one end of the movable frame 52 is magnetically attracted to magnet 56. When the multiple filter frame structures 20 are separated, the movable frame 52 moves and separates magnet 55 from magnet 56 at one end. After the filter frame structure 20 stops moving, magnet 55 at the other end of the movable frame 52 is attracted to magnet 56, thus ensuring the positional stability of the movable frame 52. The size of magnet 55 and magnet 56 is determined according to the actual situation to ensure that the position of the movable frame 52 does not change after magnet 55 and magnet 56 are connected.

[0063] like Figures 5-9 The filter frame structure 20 includes a filter frame 201. Two symmetrical sides of the filter frame 201 are fixedly mounted with a movable wheel mounting bracket 202. A movable wheel 203 is rotatably connected to one side of the movable wheel mounting bracket 202. The movable wheel 203 is located on the support beam 30 and is in rolling connection with the support beam 30.

[0064] When the filter frame structure 20 moves, the moving wheel 203 moves along the inclined surface of the lifting block 35, thereby increasing the height of the filter frame 201. When multiple filter frame structures 20 are tightly fitted together, the moving wheel 203 is located between the two lifting blocks 35 included in the first lifting structure. When multiple filter frame structures 20 are separated, when the active push plate 63 is in contact with a driven push plate 54, the moving wheel 203 is located above the lifting block 35 included in the second lifting structure. When multiple filter frame structures 20 are completely separated, the lifting block 35 included in the second lifting structure moves out of the inside of the receiving groove 301. At this time, the moving wheel 203 is located between the two lifting blocks 35 included in the second lifting structure, thereby raising the height of the filter frame structure 20 during the reset process through the lifting block 35 included in the second lifting structure.

[0065] It should be noted that the moving wheel 203 contacts more than one lifting block 35 during the movement, which causes the filter frame structure 20 to experience multiple vibrations.

[0066] like Figure 13 and Figure 14A disassembly assembly is provided between the movable wheel mounting bracket 202, the mounting bracket 40, and the guide slider 44. The disassembly assembly is used to connect or separate the movable wheel mounting bracket 202 and the mounting bracket 40. The disassembly assembly includes a positioning insertion hole 2021 opened on the movable wheel mounting bracket 202 and a positioning threaded rod 48 connected to the mounting bracket 40. There are at least two positioning threaded rods 48 and positioning insertion holes 2021. The positioning threaded rod 48 is inserted into the interior of the positioning insertion hole 2021. The positioning threaded rod 48 and the positioning insertion hole 2021 correspond one-to-one. The outer surface of the positioning threaded rod 48 is threaded with a positioning nut 49. A locking threaded rod 410 is fixedly connected to one side of the guide slider 44. The outer surface of the locking threaded rod 410 is threaded with a locking nut 411. The width of the opposite side of the locking nut 411 is greater than the width of the guide groove 401.

[0067] When connecting the movable wheel mounting bracket 202 and the mounting bracket 40, first insert the positioning threaded rod 48 into the positioning socket 2021 and make the mounting bracket 40 fit against the movable wheel mounting bracket 202. Then, thread the positioning nut 49 onto the positioning threaded rod 48 and make the positioning nut 49 fit tightly against the movable wheel mounting bracket 202 to lock and fix the mounting bracket 40. At this time, the guide slider 44 is located inside the guide groove 401, and the mounting bracket 40 fits against the slide block 43. Then, the operation of installing the return spring 41 can be performed. After installing the return spring 41, the lock... The locking nut 411 is threadedly connected to the locking threaded rod 410, and the locking nut 411 fits tightly against the mounting bracket 40. The locking threaded rod 410 and the locking nut 411 make the position of the mounting bracket 40 more stable, preventing the mounting bracket 40 from shaking or shifting. An anti-slip pad can be placed between the locking nut 411 and the mounting bracket 40 to ensure the stability of the locking nut 411. Similarly, it is easy to separate the mounting bracket 40 from the caster mounting bracket 202. When a part of the mounting bracket 40 or the caster mounting bracket 202 is damaged, only the corresponding part needs to be replaced.

[0068] like Figures 1-4 A hydraulic cylinder 11 is installed on one side of the treatment box 10. A pressure plate 12 is connected to the output end of the hydraulic cylinder 11. The pressure plate 12 is positioned corresponding to the filter frame structure 20. A drain pipe 13 and a sewage inlet pipe 14 are installed on the side of the treatment box 10 away from the hydraulic cylinder 11. A control valve 15 and a booster pump 16 are connected to the sewage inlet pipe 14.

[0069] After multiple filter frame structures 20 are attached to each other, the control valve 15 is opened and the oily wastewater is transported between the multiple filter frame structures 20 through the booster pump 16. The oil is filtered through the filter cloth 21 and a filter cake is formed on the filter cloth 21. The filtered oil and water are discharged from the drain pipe 13, thereby achieving the purpose of oil and water separation.

[0070] 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.

[0071] 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.

[0072] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A wastewater filtration device for oily wastewater, characterized in that, include: Processing box (10); Multiple filter frame structures (20) are set inside the processing box (10). Two adjacent filter frame structures (20) are connected by a filter plate connecting chain. A filter cloth (21) is connected between two adjacent filter frame structures (20). A filter cloth support assembly is installed between two adjacent filter frame structures (20). When two adjacent filter frame structures (20) are in a compressed state, the filter cloth support assembly is used to make the filter cloth (21) fit tightly with the filter frame structure. When two adjacent filter frame structures (20) are in a stretched state, the filter cloth support assembly is used to make the filter cloth (21) form an inverted V shape. A support beam (30) is installed inside the processing box (10), and a support seat (31) is provided below the support beam (30). The lifting assembly is disposed between the support beam (30) and the support base (31). The lifting assembly includes multiple first lifting structures and multiple second lifting structures. The first lifting structures and the second lifting structures are distributed at intervals. The first lifting structures and the second lifting structures are used to cause the filter frame structure (20) to be displaced in the height direction. Both the first lifting structure and the second lifting structure include lifting blocks (35). The lifting blocks (35) included in the first lifting structure and the second lifting structure have opposite inclination directions. The reset assembly is connected to the filter frame structure (20). The reset assembly and the lifting assembly are used to cause the multiple filter frame structures (20) to vibrate in the vertical direction during the pressing and pulling process. Both the conversion seat structure and the displacement structure are set on the support seat (31). The displacement structure is used to move multiple filter frame structures (20) in sequence and to make the conversion seat structure displaced. The displacement of the conversion seat structure enables the first lifting structure and the second lifting structure to be used alternately.

2. The oily wastewater filtration device according to claim 1, characterized in that, The filter cloth support assembly includes a mounting base (22), a rotating support rod (23), and a support guide roller (24). There are two mounting bases (22), which are respectively installed on one side of two adjacent filter frame structures (20). A rotating support rod (23) is hinged to each of the two mounting bases (22). The ends of the two rotating support rods (23) away from the mounting base (22) are hinged together. The support guide roller (24) is rotatably connected to the two rotating support rods (23).

3. The oily wastewater filtration device according to claim 1, characterized in that, Both the first and second lifting structures further include a support spring (32), a support roller (33), and a support rod (34). One end of the support spring (32) is connected to the support beam (30), and the other end of the support spring (32) is connected to the support roller (33). A part of the support rod (34) is located inside the support spring (32), and the bottom end of the support rod (34) is connected to the support roller (33). The top end of the support rod (34) is connected to the lifting block (35). The lifting block (35) is a right triangle. A plurality of storage slots (301) are provided on one side of the support beam (30), and the size of the lifting block (35) is adapted to the size of the storage slots (301).

4. The oily wastewater filtration device according to claim 1, characterized in that, The reset assembly includes a mounting bracket (40), a reset spring (41), a guide rail (42), a slide block (43), and a spring fixing assembly. The mounting bracket (40) is connected to the filter frame structure (20). A guide groove (401) is provided on one side of the mounting bracket (40). The reset spring (41) is located inside the guide groove (401). The guide rail (42) is installed on one side of the support beam (30). There are multiple slide blocks (43). Multiple slide blocks (43) are slidably connected to the guide rail (42). A guide slider (44) is connected to one side of each slide block (43). The guide slider (44) is located inside the guide groove (401) and is slidably connected to the guide groove (401). The spring fixing assembly is located between the guide slider (44) and the mounting bracket (40). The spring fixing assembly is used to install and remove the reset spring (41).

5. The oily wastewater filtration device according to claim 4, characterized in that, The spring fixing assembly includes a mounting rod (45), a threaded rod (46), and a clamping nut (47). The mounting rod (45) is located inside the return spring (41). The mounting rod (45) passes through the bottom of the mounting bracket (40) and is slidably connected to the mounting bracket (40). The threaded rod (46) is connected to the end of the mounting rod (45). The inner wall of the guide groove (401) is provided with a threaded hole. The threaded rod (46) is threadedly connected to the threaded hole. A through hole is provided on one side of the guide slider (44). The mounting rod (45) passes through the inside of the through hole. The diameter of the mounting rod (45) is matched with the diameter of the through hole. Two clamping nuts (47) are threadedly connected to the outer surface of the mounting rod (45).

6. The oily wastewater filtration device according to claim 3, characterized in that, The conversion seat structure includes a second guide rail (50), a second slide (51), a moving frame (52), a wave-shaped conversion frame (53), and a driven push plate (54). The second guide rail (50) is installed on the support seat (31), and the length direction of the second guide rail (50) is parallel to the length direction of the support seat (31). There are multiple second slides (51), and multiple second slides (51) are slidably connected to the second guide rail (50). The moving frame (52) is connected to one end of multiple second slides (51). The wave-shaped conversion frame (53) is installed on the side of the moving frame (52) away from the second slides (51). The support roller (33) is located on the wave-shaped conversion frame (53) and is slidably connected to the wave-shaped conversion frame (53). Two driven push plates (54) are fixedly installed on one side of the moving frame (52).

7. The oily wastewater filtration device according to claim 6, characterized in that, The displacement structure includes a linear module (60), a module slider (61), a movable pull seat (62), an active push plate (63), and a third slide (64). The linear module (60) is mounted on a support base (31). The length direction of the linear module (60) is parallel to the length direction of the processing box (10). The module slider (61) is set on the linear module (60). The movable pull seat (62) is mounted on the top side of the module slider (61). The movable pull seat (62) is connected to a filter frame structure (20) located at the end through a filter plate connecting chain. The active push plate (63) and the third slide (64) are both mounted on one side of the movable pull seat (62). The third slide (64) is slidably connected to the first guide rail (42). The active push plate (63) and the driven push plate (54) are positioned correspondingly.

8. The oily wastewater filtration device according to claim 6, characterized in that, Both ends of the movable frame (52) are connected to magnet one (55), and two magnet two (56) are installed on the guide rail two (50). The positions of magnet one (55) and magnet two (56) are corresponding, and magnet one (55) and magnet two (56) correspond one-to-one. The polarities of magnet one (55) and magnet two (56) on the side closest to each other are opposite.

9. The oily wastewater filtration device according to claim 4, characterized in that, The filter frame structure (20) includes a filter frame (201). Two symmetrical sides of the filter frame (201) are fixedly mounted with a movable wheel mounting bracket (202). A movable wheel (203) is rotatably connected to one side of the movable wheel mounting bracket (202). The movable wheel (203) is located on the support beam (30) and is in rolling connection with the support beam (30).

10. The oily wastewater filtration device according to claim 9, characterized in that, A disassembly assembly is provided between the movable wheel mounting bracket (202), the mounting bracket (40), and the guide slider (44). The disassembly assembly is used to connect or separate the movable wheel mounting bracket (202) and the mounting bracket (40). The disassembly assembly includes a positioning threaded rod (48), a positioning nut (49), a locking threaded rod (410), and a locking nut (411). A positioning insertion hole (2021) is provided on one side of the movable wheel mounting bracket (202). The positioning threaded rod (48) is connected to the mounting bracket (40). The positioning threaded rod (48) and the positioning... There are at least two insertion holes (2021). The positioning threaded rod (48) is inserted into the interior of the positioning insertion hole (2021). The positioning threaded rod (48) corresponds to the positioning insertion hole (2021) one by one. The positioning nut (49) is threadedly connected to the positioning threaded rod (48). The locking threaded rod (410) is installed on the side of the guide slider (44) away from the guide rail (42). The locking nut (411) is threadedly connected to the locking threaded rod (410). The width of the opposite side of the locking nut (411) is greater than the width of the guide groove (401).

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