A sludge filter press with a group opening plate

Abstract

This utility model relates to the field of sludge filter press technology and discloses a group-opening sludge filter press, including a plate and frame filter press body and filter plates equidistantly and movably installed on the plate and frame filter press body. A fixing column is fixedly connected to the top center of the filter plate, and a steel ball is fixedly connected to the top of the fixing column. A gantry frame is slidably installed on the outer surface of the plate and frame filter press body. This utility model, through the cooperation of the grouping device and the gantry frame, can clamp and move multiple filter plates in batches, changing the inefficient mode of traditional manual opening of plates one by one, significantly shortening the processing time, and is suitable for large-scale sludge treatment scenarios. It effectively shortens the filtration cycle. At the same time, the electric telescopic rod inside the grouping device synchronously controls the displacement of multiple sliding blocks through hydraulic transmission, so that the clamping plate can clamp the filter plates at different positions. Adjusting the hydraulic pressure can adapt to different filter plates and avoid filter plate deformation. The "Z"-shaped clamping plate cooperates with the arc groove of the steel ball to reduce friction loss and extend the service life of the equipment.

Description

Technical Field

[0001] This utility model relates to the field of sludge filter press technology, and more specifically to a group-opening sludge filter press. Background Technology

[0002] As a specialized device for solid-liquid separation of sludge, the core working principle of a sludge filter press is to achieve the filtration target by applying mechanical force to one side of the filter medium. Taking a plate and frame filter press as an example, after the filtration operation is completed, the following procedures should be followed: First, shut down the feed pump and related valves, then press the "Release" button on the operation panel. At this time, the piston rod will drive the pressing plate to retract to the appropriate position. Finally, the filter plates are pulled one by one by the operator to cause the filter cake between the filter plates to fall off, thereby completing the cake unloading operation.

[0003] Traditional methods of unloading filter cake (such as the plate and frame filter press in CN109045785A) require manual operation of each filter plate. The process of opening each filter plate involves repeatedly loosening bolts and manually pulling. If there are many filter plates, it takes even longer to complete all the opening operations. In particular, when processing large-scale sludge, frequent unloading of filter cake will significantly extend the cycle of the entire filter press process. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a group-opening sludge filter press to solve the problems existing in the background art.

[0005] The utility model provides the following technical solution: a grouped plate and frame sludge filter press, comprising a plate and frame filter press body and filter plates equidistantly and movably installed on the plate and frame filter press body. A fixed column is fixedly connected to the top center of the filter plate, and a steel ball is fixedly connected to the top of the fixed column. A gantry frame is slidably installed on the outer surface of the plate and frame filter press body. An electric telescopic rod is fixedly installed at the top center of the gantry frame. A grouping device is fixedly connected to the output end of the electric telescopic rod. The grouping device is installed between the filter plate and the gantry frame.

[0006] Furthermore, the grouping device includes a fixed base fixedly connected to the output end of the electric telescopic rod. A limiting groove is formed inside the fixed base, and a fixed rod is laterally fixedly connected inside the limiting groove. Sliding blocks are equidistantly connected to the outer surface of the fixed rod. A sealing cavity is formed inside the fixed base, and an electric telescopic rod is fixedly installed inside the fixed base. A sealing plate is fixedly connected to the input end of the electric telescopic rod, and the outer surface of the sealing plate is slidably sealed to the inside of the sealing cavity. A piston cylinder is fixedly fixedly connected to the inside of the fixed base at equal intervals. The inside of the piston cylinder communicates with the inside of the sealing cavity. A piston rod is slidably sealed to the inside of the piston cylinder, and the end face of the piston rod away from the piston cylinder is fixedly connected to the surface of the sliding block. Two clamping plates are fixedly connected to the bottom of the sliding block.

[0007] Furthermore, each of the sliding blocks has two clamping plates fixedly connected to its bottom, and the two clamping plates are longitudinally mirror-symmetrical about the center of the surface of the sliding block. The opposite surfaces of the two clamping plates are provided with arc-shaped grooves, which match the shapes of the fixing column and the steel ball.

[0008] Furthermore, the number of sliding blocks, piston rods, and piston cylinders is equal, the height of the multiple sliding blocks increases from left to right, and the length of the multiple piston rods and piston cylinders decreases from top to bottom.

[0009] Furthermore, the diameter of the piston rod at the end furthest from the sliding block is larger than the diameter at the other end, and a sealing ring is fixedly installed on the outer surface of the larger diameter end, and the clamping plate is "Z" shaped.

[0010] Furthermore, both sides of the plate and frame filter press body are fixedly connected with protrusions, and a screw is rotatably connected between every two protrusions through a bearing. The screw is driven to rotate by a drive motor, and the screw passes through the gantry frame and is threadedly connected to the gantry frame.

[0011] The technical effects and advantages of this utility model are as follows:

[0012] 1. This utility model, through the cooperation of the grouping device and the gantry frame, can realize the batch clamping and movement of multiple filter plates, changing the inefficient mode of manually opening the plates one by one. When the electric telescopic rod drives the grouping device to descend, the clamping plate is precisely engaged with the steel ball on the top of the filter plate through the arc groove. Then, the lateral movement of the gantry frame can transport multiple filter plates to the desludge position at one time. Compared with manual operation, the time for processing the same number of filter plates is greatly shortened, which is especially suitable for large-scale sludge treatment scenarios and effectively shortens the filter press cycle.

[0013] 2. In this utility model, the electric telescopic rod inside the grouping device can synchronously control the displacement of multiple sliding blocks through the hydraulic transmission between the sealed cavity and the piston cylinder, so that the clamping plates of different heights can clamp the filter plates at different positions. This not only realizes the flexibility of grouping and opening the plates, but also allows the adjustment of hydraulic pressure to adapt to filter plates of different thicknesses or weights, avoiding deformation of the filter plates due to mechanical hard pulling. At the same time, the "Z" shaped clamping plate and the arc groove of the steel ball cooperate to ensure clamping stability while reducing frictional loss during the opening process and extending the service life of the equipment. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0016] Figure 3 This is a cross-sectional view of the grouping device in this utility model;

[0017] Figure 4 This is a schematic diagram showing the connection between the sliding block and the clamping plate in this utility model.

[0018] The attached figures are labeled as follows: 1. Main body of plate and frame filter press; 2. Filter plate; 3. Fixed column; 4. Steel ball; 5. Gantry frame; 6. Electric telescopic rod one; 7. Grouping device; 71. Fixed seat; 72. Limiting groove; 73. Fixed rod; 74. Sliding block; 75. Sealing cavity; 76. Sealing plate; 77. Electric telescopic rod two; 78. Piston cylinder; 79. Piston rod; 710. Clamping plate. Detailed Implementation

[0019] The present invention will be further described below with reference to specific embodiments. However, those skilled in the art should understand that the detailed description given here with reference to the accompanying drawings is for better explanation. The structure of the present invention may exceed the limited embodiments described herein. Some equivalent alternatives or common means will not be described in detail here, but they still fall within the protection scope of this application.

[0020] Figures 1-4 This is the preferred embodiment of the present invention, which is described below in conjunction with the appendix. Figures 1-4 The present invention will be further described below.

[0021] A grouped sludge filter press includes a plate and frame filter press body 1 and filter plates 2 equidistantly and movably mounted on the plate and frame filter press body 1. A fixed column 3 is fixedly connected to the top center of the filter plate 2, and a steel ball 4 is fixedly connected to the top of the fixed column 3. A gantry frame 5 is slidably mounted on the outer surface of the plate and frame filter press body 1. An electric telescopic rod 6 is fixedly mounted at the top center of the gantry frame 5. A grouping device 7 is fixedly connected to the output end of the electric telescopic rod 6. The grouping device 7 is installed between the filter plate 2 and the gantry frame 5.

[0022] Specifically, the grouping device 7 includes a fixed base 71 fixedly connected to the output end of the electric telescopic rod 6. A limiting groove 72 is formed inside the fixed base 71. A fixed rod 73 is horizontally fixedly connected inside the limiting groove 72. A sliding block 74 is equidistantly connected to the outer surface of the fixed rod 73. A sealing cavity 75 is formed inside the fixed base 71. An electric telescopic rod 77 is fixedly installed inside the fixed base 71. A sealing plate 76 is fixedly connected to the input end of the electric telescopic rod 77. The outer surface of the sealing plate 76 is slidably connected to the inside of the sealing cavity 75. A piston cylinder 78 is fixedly connected to the inside of the fixed base 71 at equal intervals. The inside of the piston cylinder 78 is connected to the inside of the sealing cavity 75. A piston rod 79 is slidably connected to the inside of the piston cylinder 78. The end face of the piston rod 79 away from the piston cylinder 78 is fixedly connected to the surface of the sliding block 74. Two clamping plates 710 are fixedly connected to the bottom of the sliding block 74.

[0023] In this embodiment, the sealing plate 76 is pushed to slide in the sealing cavity 75 by the electric telescopic rod 77. The piston rod 79 in multiple piston cylinders 78 can be extended and retracted synchronously by hydraulic transmission, thereby driving the sliding block 74 to move on the fixed rod 73. This allows the clamping plate 710 to accurately position and clamp the filter plates 2 at different positions, realizing automated control of group opening and improving operational flexibility.

[0024] Specifically, each sliding block 74 has two clamping plates 710 fixedly connected to its bottom, and the two clamping plates 710 are longitudinally mirror symmetrical about the center of the surface of the sliding block 74. The opposite surfaces of the two clamping plates 710 are provided with arc-shaped grooves, which match the shapes of the fixed column 3 and the steel ball 4.

[0025] In this embodiment, the arc-shaped groove matches the shape of the steel ball 4 at the top of the fixed column 3. The steel ball 4 can be clamped by the clamping plate 710. The symmetrical structure forms a stable clamping force, which prevents the filter plate 2 from shaking or falling off during movement. At the same time, it reduces frictional wear during clamping and extends the service life of the steel ball 4 and the clamping plate 710.

[0026] Specifically, the number of sliding blocks 74, piston rods 79, and piston cylinders 78 is equal, the height of the multiple sliding blocks 74 increases from left to right, and the length of the multiple piston rods 79 and piston cylinders 78 decreases from top to bottom.

[0027] In this embodiment, the gradient design of the sliding blocks 74 at different heights and the lengths of the piston rod 79 and piston cylinder 78 allows for synchronous adjustment of the spacing of the clamping plates 710 via hydraulic transmission, ensuring sufficient clearance between them for mud removal.

[0028] Specifically, the diameter of the piston rod 79 at the end furthest from the sliding block 74 is larger than the diameter at the other end, and a sealing ring is fixedly installed on the outer surface of the larger diameter end, and the clamping plate 710 is "Z" shaped.

[0029] In this embodiment, the sealing ring at the large-diameter end of the piston rod 79 can enhance the sealing performance of the piston cylinder 78, prevent hydraulic oil leakage, and ensure the stability of hydraulic transmission. The structural design of the "Z"-shaped clamping plate 710 can increase the contact area during clamping, and at the same time, the bending structure can improve the mechanical strength of the clamping plate 710. When clamping the steel ball 4, it can ensure stability and reduce the frictional resistance during the opening process, thus extending the service life of the equipment.

[0030] Specifically, both sides of the plate and frame filter press body 1 are fixedly connected with protrusions, and a screw is rotatably connected between every two protrusions through a bearing. The screw is driven to rotate by a drive motor, and the screw passes through the gantry frame 5 and is threadedly connected to the gantry frame 5.

[0031] In this embodiment, when the drive motor drives the screw to rotate, the gantry frame 5 can slide laterally on the outer surface of the plate and frame filter press body 1 through the threaded transmission, thereby realizing the position adjustment of the grouping device 7, which facilitates the precise positioning of the clamping position of the filter plate 2. At the same time, in conjunction with the lifting and lowering movement of the electric telescopic rod 6, the gantry frame 5 can move the clamped filter plate 2 to the desliming position, replacing the manual movement of the filter plate 2 and greatly improving the plate opening efficiency.

[0032] The working principle and usage process of this utility model are as follows: When it is necessary to separate the filter plates 2, the drive motor on the side of the main body 1 of the plate and frame filter press is activated to drive the screw to rotate, moving the gantry frame 5. After the gantry frame 5 is moved to the specified position, the electric telescopic rod 6 is activated to drive the fixed seat 71 to slide downward. At this time, the clamping plate 710 slowly approaches the steel ball 4. When the steel ball 4 contacts the clamping plate 710, the bottom of the two clamping plates 710 opens due to pressure. When the steel ball 4 is located in the arc groove between the two clamping plates 710, the fixed column 3 is also inserted between the two clamping plates 710. At this time, the multiple gantry frames 5 are respectively After being snapped between the two clamping plates 710 located above, the grouping device 7 is slid upward by starting the electric telescopic rod 6, so that the filter plate 2 is in a suspended state. Then, the screw is rotated by starting the drive motor on the side of the plate and frame filter press body 1, which moves the gantry frame 5 to the desliming position. At the same time, the electric telescopic rod 77 is started to drive the sealing plate 76 to slide to the left. At this time, the sealing cavity 75 is pressurized and pressurizes the piston cylinder 78, so that the piston rod 79 drives the sliding block 74 to slide away from the piston cylinder 78, so that the moved clamping plates 710 are separated from each other, which facilitates the falling of sludge or manual cleaning.

[0033] After cleaning, the electric telescopic rod 77 is activated to drive the sealing plate 76 to slide in the opposite direction, causing the sliding block 74 to slide in the opposite direction and making all the clamping plates 710 fit together. At this time, all the filter plates 2 are in contact with each other. Then, the electric telescopic rod 6 is activated to drive the fixed seat 71 to slide down, so that the filter plates 2 are placed on the main body 1 of the plate and frame filter press. At the same time, the bottom of the gantry frame 5 does not contact the bottom of the arc groove of the two clamping plates 710. Then, by activating the lateral movement of the gantry frame 5, the steel ball 4 and the fixed column 3 will separate from the clamping plates 710 through the sides of the two clamping plates 710. Then, the fixed seat 71 is moved to the specified position to open and desludge the next set of filter plates 2.

[0034] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any other way. Any person skilled in the art may make changes or modifications to the disclosed technical content to create equivalent embodiments. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model without departing from its technical solution shall still fall within the protection scope of this utility model.

Claims

1. A plate and frame sludge filter press, comprising a plate and frame filter press body (1) and filter plates (2) equidistantly and movably mounted on the plate and frame filter press body (1), characterized in that: A fixed column (3) is fixedly connected to the top center of the filter plate (2), and a steel ball (4) is fixedly connected to the top of the fixed column (3). A gantry frame (5) is slidably installed on the outer surface of the plate and frame filter press body (1). An electric telescopic rod (6) is fixedly installed at the top center of the gantry frame (5). A grouping device (7) is fixedly connected to the output end of the electric telescopic rod (6). The grouping device (7) is installed between the filter plate (2) and the gantry frame (5). The grouping device (7) includes a fixed base (71) fixedly connected to the output end of the electric telescopic rod (6). A limiting groove (72) is formed inside the fixed base (71). A fixing rod (73) is horizontally fixedly connected inside the limiting groove (72). Sliding blocks (74) are equidistantly slidably connected to the outer surface of the fixing rod (73). A sealing cavity (75) is formed inside the fixed base (71). An electric telescopic rod (77) is fixedly installed inside the fixed base (71). The input end of the electric telescopic rod (77) is fixedly connected to... A sealing plate (76) is attached, and the outer surface of the sealing plate (76) is slidably connected to the inside of the sealing cavity (75). A piston cylinder (78) is fixedly connected at equal intervals inside the fixed seat (71). The inside of the piston cylinder (78) is connected to the inside of the sealing cavity (75). A piston rod (79) is slidably connected inside the piston cylinder (78). The end face of the piston rod (79) away from the piston cylinder (78) is fixedly connected to the surface of the sliding block (74). Two clamping plates (710) are fixedly connected to the bottom of the sliding block (74).

2. The group-plate sludge filter press according to claim 1, characterized in that: Each of the sliding blocks (74) has two clamping plates (710) fixedly connected to its bottom. The two clamping plates (710) are longitudinally mirror symmetrical about the center of the surface of the sliding block (74). The opposite surfaces of the two clamping plates (710) are provided with arc-shaped grooves that match the shape of the fixed column (3) and the steel ball (4).

3. A group-plate sludge filter press according to claim 1, characterized in that: The number of sliding blocks (74), piston rods (79) and piston cylinders (78) is equal. The height of the multiple sliding blocks (74) increases from left to right, and the length of the multiple piston rods (79) and piston cylinders (78) decreases from top to bottom.

4. A group-plate sludge filter press according to claim 1, characterized in that: The diameter of the piston rod (79) at the end away from the sliding block (74) is larger than the diameter at the other end, and a sealing ring is fixedly installed on the outer surface of the larger diameter end. The clamping plate (710) is "Z" shaped.

5. A group-plate sludge filter press according to claim 1, characterized in that: Both sides of the plate and frame filter press body (1) are fixedly connected with protrusions. A screw is rotatably connected between each pair of protrusions through a bearing. The screw is driven to rotate by a drive motor. The screw passes through the gantry frame (5) and is threadedly connected to the gantry frame (5).

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