A plate-and-frame filter press
By setting up a recycling unit and filter plates in the plate and frame filter press, the problem of high water consumption in the rinsing unit is solved, realizing the recycling of water resources and the rapid replacement of filter plates, thus simplifying the operation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 宁波晟龙再生资源有限公司
- Filing Date
- 2025-05-23
- Publication Date
- 2026-05-29
AI Technical Summary
The existing plate and frame filter press has a large water consumption in the rinsing unit and the replacement of filter plates is time-consuming and labor-intensive.
A recycling unit is installed at the bottom of the support frame to recycle the rinsing water. The water flow is filtered using filter plates, and a limit unit is installed on the adjustment plate to facilitate quick replacement of the filter plates.
This enables the recycling of water resources, reduces water waste, and simplifies the filter plate replacement process.
Smart Images

Figure CN224292619U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of plate and frame filter press technology, specifically a plate and frame filter press. Background Technology
[0002] Plate and frame filter presses are commonly used industrial solid-liquid separation equipment. They consist of filter plates, filter frames, and a pressing device. During operation, the suspension is pumped into the filter frames, the liquid passes through the filter cloth and is discharged through the guide grooves of the filter plates, and the solids accumulate to form a filter cake, which is removed after pressure is released. They offer high filtration accuracy and strong adaptability, and are widely used in chemical, pharmaceutical, and environmental protection industries, making them an indispensable separation device in modern industry.
[0003] Plate and frame filter presses use mechanical pressing devices to compress alternating filter plates and frames, forming a closed filter chamber. The filter medium traps solid particles in the suspension, achieving solid-liquid separation. After solid-liquid separation, the filter plates need to be separated to facilitate automatic removal of the formed filter cake. However, the filter plates often stick together after removal. Some plate and frame filter presses are equipped with a washing unit for cleaning the filter plate surface; however, the washing unit uses a large amount of water, and replacing filter plates is time-consuming and labor-intensive. To address the shortcomings of existing technologies, this invention provides a plate and frame filter press to solve the above problems. Utility Model Content
[0004] To address the shortcomings of existing technologies, this utility model provides a plate and frame filter press that solves the problems of high water consumption in the rinsing unit and time-consuming and labor-intensive filter plate replacement.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a plate and frame filter press, comprising;
[0006] Support frame;
[0007] Filter plates are arranged between support frames;
[0008] Water tank;
[0009] A rinsing unit, which is mounted on a support frame, is used to rinse the filter plates;
[0010] A recycling unit, which is connected to the water tank, is located at the bottom of the rinsing unit and is used to recycle the water flow used to rinse the filter plates.
[0011] A water supply unit, located on one side of the support frame, is used to provide water to the flushing unit;
[0012] A filter plate, which is disposed on the flushing unit, is used to filter the water flowing into the water tank;
[0013] A fixing rod is fixedly connected to the filter plate;
[0014] A limiting unit is disposed within the filter plate, and the limiting unit is used to limit the fixing rod.
[0015] Preferably, the recycling unit includes:
[0016] Adjustment plates are installed between the support frames;
[0017] The second water pipe has one end fixedly connected to the adjustment plate and the other end fixedly connected to the water tank.
[0018] Preferably, the water supply unit includes:
[0019] A water pump, which is fixedly connected to a water tank;
[0020] The first water pipe has one end fixedly connected to the water pump, and the other end of the first water pipe is fixedly connected to the flushing unit.
[0021] Preferably, the limiting unit includes:
[0022] A spring, one end of which is fixedly connected to the inner wall of a fixed rod;
[0023] The slider is slidably connected inside the fixed rod, and the other end of the spring is fixedly connected to the slider.
[0024] Preferably, a locking block is fixedly connected to the end of the slider away from the spring.
[0025] Preferably, a connecting rod is fixedly connected to the adjusting plate, and the connecting rod is slidably connected to the support frame. Preferably, the connecting plate is provided with a track body and a slot, the filter material is slidably connected to the track body, and the locking block is engaged in the slot.
[0026] Preferably, a control box is fixedly connected to one end of the support frame.
[0027] This utility model discloses a plate and frame filter press, which has the following beneficial effects: The plate and frame filter press adopts a structure with a recovery unit set at the bottom of the support frame, which makes it easy to recover the water flowing down into the water tank when the rinsing unit is running, thus saving water resources. The structure with filter plates set on the adjustment plate makes it easy to filter the water flowing down and prevent particulate matter from entering the water tank and causing blockage. At the same time, the limiting unit makes it easy to quickly replace the filter plates. Attached Figure Description
[0028] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0029] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0030] Figure 2 This is a schematic diagram of the adjusting plate structure of this utility model;
[0031] Figure 3 This is a schematic diagram of the connecting plate structure of this utility model;
[0032] Figure 4 This is a schematic diagram of the limiting unit structure of this utility model.
[0033] In the diagram: 1. Support frame; 11. Filter plate; 12. Control box; 13. Water tank; 2. Washing unit; 3. Recovery unit; 31. Adjusting plate; 311. Connecting rod; 32. Second water pipe; 4. Water supply unit; 41. Water pump; 42. First water pipe; 5. Fixing rod; 51. Filter plate; 6. Limiting unit; 61. Spring; 62. Slider; 63. Locking block; 7. Connecting plate; 71. Track body; 72. Slot. Detailed Implementation
[0034] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments of this utility model are described clearly and completely. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0035] This application provides a plate and frame filter press that solves the problems of large water consumption in the rinsing unit 2 and time-consuming and laborious filter plate replacement. It adopts a structure with a recovery unit 3 at the bottom of the support frame 1, which facilitates the recovery of the water flowing down into the water tank 13 during the operation of the rinsing unit 2, thus saving water resources. The structure with a filter plate 51 on the adjusting plate 31 facilitates the filtration of the flowing water and prevents particulate matter from entering the water tank 13 and causing blockage. At the same time, the limiting unit 6 facilitates the quick replacement of the filter plate 51.
[0036] To better understand the above technical solutions, the following will provide a detailed explanation of the technical solutions in conjunction with the accompanying drawings and specific implementation methods.
[0037] Example 1;
[0038] This utility model discloses a plate and frame filter press, according to the attached... Figure 1-4 As shown, including;
[0039] Support frame 1;
[0040] Filter plates 11 are disposed between the support frames 1;
[0041] Water tank 13;
[0042] The rinsing unit 2 is mounted on the support frame 1 and is used to rinse the filter plate 11.
[0043] The recycling unit 3 is connected to the water tank 13. The recycling unit 3 is located at the bottom of the flushing unit 2 and is used to recycle the water flow that flushes the filter plate 11.
[0044] Water supply unit 4, which is located on one side of support frame 1, is used to provide water source for flushing unit 2;
[0045] The filter plate 51 is disposed on the flushing unit 2 and is used to filter the water flow entering the water tank 13.
[0046] The fixing rod 5 is fixedly connected to the filter plate 51;
[0047] The limiting unit 6 is disposed within the filter plate 51 and is used to limit the fixing rod 5.
[0048] Recycling unit 3 includes:
[0049] Adjustment plate 31, which is disposed between support frames 1;
[0050] The second water pipe 32 has one end fixedly connected to the adjusting plate 31, and the other end fixedly connected to the water tank 13.
[0051] Water supply unit 4 includes:
[0052] Water pump 41 is fixedly connected to water tank 13;
[0053] The first water pipe 42 has one end fixedly connected to the water pump 41, and the other end fixedly connected to the flushing unit 2.
[0054] A connecting rod 311 is fixedly connected to the adjusting plate 31, and the connecting rod 311 is slidably connected to the support frame 1. A connecting plate 7 is fixedly connected to the adjusting plate 31.
[0055] A control box 12 is fixedly connected to one end of the support frame 1.
[0056] After solid-liquid separation, the filter plates 11 need to be separated to facilitate the automatic removal of the formed filter cake. After removal, most of the filter plates will stick together. The water pump 41 in the water supply unit 4 provides water to the rinsing unit 2. The rinsing unit 2 is used to clean the surface of the filter plates 11. Before cleaning, the control box 12 controls the connecting rod 311 to rotate, so that the two adjusting plates 31 fixedly connected to it can be spliced together. The water flowing down can be recycled into the water tank 13 through the second water pipe 32 in the recycling unit 3 to achieve the purpose of recycling water resources.
[0057] Example 2;
[0058] This utility model discloses a plate and frame filter press, according to the attached... Figure 1-4 As shown, including;
[0059] Support frame 1;
[0060] Filter plates 11 are disposed between the support frames 1;
[0061] Water tank 13;
[0062] The rinsing unit 2 is mounted on the support frame 1 and is used to rinse the filter plate 11.
[0063] The recycling unit 3 is connected to the water tank 13. The recycling unit 3 is located at the bottom of the flushing unit 2 and is used to recycle the water flow that flushes the filter plate 11.
[0064] Water supply unit 4, which is located on one side of support frame 1, is used to provide water source for flushing unit 2;
[0065] The filter plate 51 is disposed on the flushing unit 2 and is used to filter the water flow entering the water tank 13.
[0066] The fixing rod 5 is fixedly connected to the filter plate 51;
[0067] The limiting unit 6 is disposed within the filter plate 51 and is used to limit the fixing rod 5.
[0068] Limiting unit 6 includes:
[0069] Spring 61, one end of which is fixedly connected to the inner wall of the fixed rod 5;
[0070] The slider 62 is slidably connected inside the fixed rod 5, and the other end of the spring 61 is fixedly connected to the slider 62.
[0071] A locking block 63 is fixedly connected to the end of slider 62 away from spring 61.
[0072] The connecting plate 7 is provided with a track body 71 and a slot 72. The filter plate 51 is slidably connected to the track body 71, and the locking block 63 is locked into the slot 72.
[0073] After a period of use, the filter plate 51 needs to be replaced. First, slide the slider 62 to drive the locking block 63 to compress the spring 61. Then, the locking block 63 and the locking groove 72 are released. Then, pull the fixing rod 5 to move the filter plate 51 that is fixedly connected to it. During the movement, the filter plate 51 slides in the track body 71, and the filter plate 51 can be removed for replacement.
[0074] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A plate and frame filter press, characterized in that, include; Support frame (1); Filter plate (11), which is disposed between the support frame (1); Water tank (13); A rinsing unit (2) is disposed on a support frame (1) and is used to rinse the filter plate (11); A recycling unit (3) is connected to a water tank (13). The recycling unit (3) is located at the bottom of the rinsing unit (2). The recycling unit (3) is used to recycle the water flow that rinses the filter plate (11). A water supply unit (4) is installed on one side of the support frame (1) and is used to provide water to the flushing unit (2); A filter plate (51) is disposed on the flushing unit (2), and the filter plate (51) is used to filter the water flow entering the water tank (13); A fixing rod (5) is fixedly connected to the filter plate (51); A limiting unit (6) is disposed within the filter plate (51), and the limiting unit (6) is used to limit the fixing rod (5).
2. A plate and frame filter press according to claim 1, characterized in that, The recycling unit (3) includes: Adjustment plate (31), which is disposed between support frames (1); The second water pipe (32) is fixedly connected at one end to the regulating plate (31) and at the other end to the water tank (13).
3. A plate and frame filter press according to claim 2, characterized in that, The water supply unit (4) includes: A water pump (41) is fixedly connected to a water tank (13); The first water pipe (42) is fixedly connected at one end to the water pump (41) and at the other end to the flushing unit (2).
4. A plate and frame filter press according to claim 3, characterized in that, The limiting unit (6) includes: A spring (61) is fixedly connected at one end to the inner wall of a fixed rod (5); The slider (62) is slidably connected inside the fixed rod (5), and the other end of the spring (61) is fixedly connected to the slider (62).
5. A plate and frame filter press according to claim 4, characterized in that, The slider (62) is fixedly connected to a locking block (63) at the end away from the spring (61).
6. A plate and frame filter press according to claim 5, characterized in that, A connecting rod (311) is fixedly connected to the adjusting plate (31), and the connecting rod (311) is slidably connected to the support frame (1). A connecting plate (7) is fixedly connected to the adjusting plate (31).
7. A plate and frame filter press according to claim 6, characterized in that, The connecting plate (7) is provided with a track body (71) and a slot (72). The filter plate (51) is slidably connected to the track body (71), and the card block (63) is engaged in the slot (72).
8. A plate and frame filter press according to claim 1, characterized in that, The support frame (1) is fixedly connected to a control box (12) at one end.