Filter pressing device for landfill leachate treatment

Abstract

The utility model provides a filter pressing device for landfill leachate treatment, which comprises a fixed support seat, the top of the fixed support seat is fixedly connected with a first fixed plate, the surface of the first fixed plate is fixedly connected with a feed pipe, the top of the feed pipe is provided with a pressurizing valve, and the pressurizing valve is connected with a pressure sensor. The device is characterized in that a pushing air cylinder is arranged on the back of the first fixing plate, one end of a connecting push plate is fixedly connected with the connecting push plate, a plurality of movable sliding rails are fixedly connected to the back of the fixed supporting seat, and a plurality of connecting sliding blocks are slidably connected to the surfaces of the movable sliding rails; in the pushing process, the filter pressing assemblies are integrally stacked to form the filter chamber, the structures of the filter pressing assemblies are used for carrying out filter pressing on garbage penetrating fluid, the filter pressing assemblies can prevent filter cloth from being blocked and affecting the filter pressing effect through the structures of the filter pressing assemblies in the using process, filtered water can be drained through the drainage assembly, and therefore the filter pressing effect is improved. And filter cakes formed by the waste materials can be intensively stored by the drainage assembly, so that a user can conveniently take and clean the filter cakes.

Description

Technical Field

[0001] This utility model belongs to the field of landfill leachate technology, specifically relating to a filter press device for landfill leachate treatment. Background Technology

[0002] Filter presses are key equipment in landfill leachate treatment for solid-liquid separation. They primarily use mechanical pressure to separate suspended solids and sludge from the liquid in the leachate. The core principle involves using a high-pressure pump to inject leachate or pre-treated sludge into a sealed filter chamber. Solid particles are trapped by filter cloth or plates, forming a sludge cake with low moisture content, while the filtrate is discharged. Common filter presses include plate and frame filter presses and belt filter presses, which feature high processing efficiency, high automation, and stable operation. They effectively reduce the load on subsequent treatment processes. The separated filtrate can be further subjected to biological or advanced treatment, while the dewatered sludge cake is easy to transport or safely disposed of. This is a crucial step in the reduction and harmless treatment of landfill leachate.

[0003] Landfill leachate has a complex composition, containing a large amount of suspended solids, organic matter, and microorganisms, which can easily clog filter cloth, reduce filtration efficiency, increase the frequency of filter cloth replacement, and thus increase operating costs. To solve this problem, we propose a filter press device for landfill leachate treatment. Utility Model Content

[0004] The present invention aims to address the shortcomings of the prior art by providing a filter press device for landfill leachate treatment, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A filter press device for treating landfill leachate includes: a fixed support base, a first fixed plate fixedly connected to the top of the fixed support base, a feed pipe fixedly connected to the surface of the first fixed plate, a pressure valve provided at the top of the feed pipe, a propulsion cylinder provided at the back of the first fixed plate, a connecting push plate fixedly connected to one end of the propulsion cylinder, multiple movable slide rails fixedly connected to the back of the fixed support base, multiple connecting sliders slidably connected to the surface of the movable slide rails, a filter press assembly provided at the top of the connecting sliders, a drainage assembly fixedly connected to the bottom of the connecting sliders, a back support base fixedly connected to the other end of the movable slide rails, and a second fixed plate fixedly connected to the top of the back support base.

[0007] Preferably, the plurality of filter press components include large particle filter cloth, cleaning holes, small particle filter cloth, connecting filter plate, waste inlet, air chamber, air pipe, air valve, receiving chamber and connecting handle. The plurality of large particle filter cloths are fixedly connected to the top of the connecting slider. The cleaning holes are located at the four corners of the surface of the large particle filter cloth. The small particle filter cloths are fixedly connected to the inner wall of the large particle filter cloth. The connecting filter plate is fixedly connected to one end of the plurality of large particle filter cloths.

[0008] Preferably, the waste inlet is located on the surface of the connecting filter plate, the air chamber is located on the inner wall of the waste inlet, the vent pipe is located on the top of the air chamber, the vent valve is fixedly connected to the top of the vent pipe, the receiving chamber is fixedly connected between the connecting filter plates, and the connecting handle is fixedly connected to both sides of the receiving chamber.

[0009] Preferably, the drainage assembly includes a storage box, a filter cake screen, a drain pipe, a drain plate, and a water outlet trough. The storage box is fixedly connected between the fixed support base and the back support base, and the filter cake screen is fixedly connected to the inner wall of the storage box.

[0010] Preferably, the drain pipe is fixedly connected to both sides of the storage box, the drain plate is fixedly connected to both sides of the bottom of the storage box, and the water outlet groove is formed on the inner wall of the drain plate.

[0011] Preferably, the top of the back support is fixedly connected to a plurality of side support plates, and the other end of the side support plates is fixedly connected to the back of the second fixing plate.

[0012] Preferably, multiple magnetic push blocks are fixedly connected to the four corners of the back of the connecting push plate, and the positions of the magnetic push blocks are matched with the filter press assembly.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. By stacking the filter press components together during the pushing process to form a filter chamber, the filter press components themselves are used to filter the leachate. During use, the filter press components use their own structure to prevent the filter cloth from clogging and affecting the filtration effect. The filtered water is discharged through the drainage component, and the filter cake formed by the waste is collected by the drainage component for easy removal and cleaning by the user.

[0015] 2. The structure of the filter press assembly helps to filter leachate. It uses large-particle filter cloth and small-particle filter cloth to form a composite filter cloth or multi-layer filter cloth structure. The two types of filter cloth have different pore sizes. The outer large-particle filter cloth first intercepts large particles, and the inner layer further filters small particles, thereby reducing the risk of clogging. At the same time, when the device is started, the vent valve injects air into the air chamber connected to the back of the filter plate through the vent pipe. The expansion of the air is used to squeeze the leachate that has been squeezed into the receiving chamber by the garbage outlet, thus completing the basic filter press. The connecting handle can help the user manually open it after the filter press is completed to remove the impurity filter cake. Attached Figure Description

[0016] The accompanying drawings are provided to further understand the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation thereof.

[0017] In the attached diagram:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the back of the overall structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the filter press assembly in the structure of this utility model;

[0021] Figure 4 This is a disassembly diagram of the filter press assembly in the structure of this utility model;

[0022] Figure 5 This is a schematic diagram of the back of the drainage component in the structure of this utility model.

[0023] In the diagram: 1. Fixed support base; 2. Feed pipe; 3. Pressure valve; 4. First fixed plate; 5. Propulsion cylinder; 6. Connecting push plate; 7. Movable slide rail; 8. Filter press assembly; 801. Large particle filter cloth; 802. Cleaning hole; 803. Small particle filter cloth; 804. Connecting filter plate; 805. Waste outlet; 806. Air chamber; 807. Ventilation pipe; 808. Ventilation valve; 809. Receiver chamber; 810. Connecting handle; 9. Connecting slider; 10. Drainage assembly; 1001. Storage box; 1002. Filter cake screen; 1003. Drainage pipe; 1004. Drainage plate; 1005. Water outlet trough; 11. Back support base; 12. Second fixed plate; 13. Side support plate; 14. Magnetic push block. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model. Example

[0025] Please see Figure 1-5 The technical solution provided in this embodiment is as follows:

[0026] A filter press device for treating landfill leachate includes: a fixed support base 1, a first fixed plate 4 fixedly connected to the top of the fixed support base 1, a feed pipe 2 fixedly connected to the surface of the first fixed plate 4, a pressure valve 3 provided at the top of the feed pipe 2, a propulsion cylinder 5 provided on the back of the first fixed plate 4, a connecting push plate 6 fixedly connected to one end of the propulsion cylinder 5, multiple movable slide rails 7 fixedly connected to the back of the fixed support base 1, multiple connecting sliders 9 slidably connected to the surface of the movable slide rails 7, a filter press assembly 8 provided at the top of the connecting sliders 9, a drainage assembly 10 fixedly connected to the bottom of the connecting sliders 9, a back support base 11 fixedly connected to the other end of the movable slide rails 7, a second fixed plate 12 fixedly connected to the top of the back support base 11, multiple side support plates 13 fixedly connected to the top of the back support base 11, the other end of the side support plates 13 fixedly connected to the back of the second fixed plate 12, and multiple magnetic push blocks 14 fixedly connected to the four corners of the back of the connecting push plate 6, the positions of the magnetic push blocks 14 matching the filter press assembly 8.

[0027] In this embodiment, the fixed support base 1 can provide a fixed foundation for the entire device from both sides by utilizing its position relative to the back support base 11. The feed pipe 2 and the pressurizing valve 3 can help transport leachate. The first fixed plate 4 and the second fixed plate 12 can provide a fixed foundation for the operation of the entire device from both sides. The push cylinder 5 drives the connecting push plate 6 to perform filter pressing on the filter press assembly 8 using the magnetic push block 14. The connecting slider 9 can provide a sliding foundation for the filter press assembly 8. The filter press assembly 8 can perform filter pressing using its own structure while preventing filter cloth blockage, thereby further improving the functionality of the device. The drainage assembly 10 can filter and discharge the water pressed by the filter press assembly 8. After the water is drained, the filter press assembly 8 can be opened to collect and clean the filter cake, further improving the functionality of the device. The side support plate 13 can further reinforce the second fixed plate 12.

[0028] Multiple filter press components 8 include large particle filter cloth 801, cleaning holes 802, small particle filter cloth 803, connecting filter plate 804, waste inlet 805, air chamber 806, air pipe 807, air valve 808, receiving chamber 809 and connecting handle 810. Multiple large particle filter cloths 801 are fixedly connected to the top of the connecting slider 9. The cleaning holes 802 are located at the four corners of the surface of the large particle filter cloth 801. The small particle filter cloth 803 is fixedly connected to the inner wall of the large particle filter cloth 801. The connecting filter plate 804 is fixedly connected to one end of the multiple large particle filter cloths 801.

[0029] In this embodiment, the filter press assembly 8 can utilize the large particle filter cloth 801 and the small particle filter cloth 803 to form a composite filter cloth or multi-layer filter cloth structure. The two filter cloths have different pore sizes. The outer large particle filter cloth 801 will first intercept large particle impurities, and the inner layer will further filter small particle impurities, thereby reducing the risk of clogging. The connecting filter plate 804 can provide a space for the filter press assembly 8 to press. The cleaning hole 802 can help clean the inner wall of the large particle filter cloth 801 during cleaning, thereby further improving the functionality of the device.

[0030] The garbage inlet 805 is opened on the surface of the connecting filter plate 804, the air chamber 806 is opened on the inner wall of the garbage inlet 805, the air pipe 807 is opened on the top of the air chamber 806, the air valve 808 is fixedly connected to the top of the air pipe 807, the receiving chamber 809 is fixedly connected between the connecting filter plates 804, and the connecting handle 810 is fixedly connected to both sides of the receiving chamber 809.

[0031] In this embodiment, the waste inlet 805 can utilize its own structure to provide a channel for the passing leachate, which is filtered by the large particle filter cloth 801 and the small particle filter cloth 803 under pressure. At the same time, the vent valve 808 is activated to inflate the air chamber 806 through the vent pipe 807, thereby expanding the leachate passing through the receiving chamber 809 to press-filter it. The connecting handle 810 can be used after the pressing is completed to open the entire pressing assembly 8 and release the filter cake for centralized cleaning.

[0032] The drainage assembly 10 includes a storage box 1001, a filter cake screen 1002, a drain pipe 1003, a drain plate 1004, and a water outlet 1005. The storage box 1001 is fixedly connected between the fixed support base 1 and the back support base 11, and the filter cake screen 1002 is fixedly connected to the inner wall of the storage box 1001.

[0033] In this embodiment, the drainage component 10 uses the storage box 1001 to collect the waste filter cake left by the filter press component 8. The filter cake screen 1002 can prevent the filter cake from falling directly and affecting the drainage, thereby further improving the functionality of the device.

[0034] The drain pipe 1003 is fixedly connected to both sides of the storage box 1001, the drain plate 1004 is fixedly connected to both sides of the bottom of the storage box 1001, and the water outlet 1005 is opened on the inner wall of the drain plate 1004.

[0035] In this embodiment, the drain pipe 1003 can discharge the water filtered out inside the storage box 1001, while the drain plate 1004 and the water outlet 1005 opened inside it can guide the filtered water to the place where it is needed for centralized treatment, thereby further improving the overall functionality and safety of the device.

[0036] Working principle: The equipment is supported from both sides by a fixed support base 1, a first fixed plate 4, and a back support base 11, thereby improving the stability of the device. The feed pipe 2 and the pressurizing valve 3 can be linked to input the leachate. The first fixed plate 4 and the second fixed plate 12 can provide a fixed foundation for the overall advancement of the device from both sides. The advancement cylinder 5 can drive the connecting push plate 6 to push on the surface of the movable slide rail 7. During the advancement process, the filter press assembly 8 is stacked to form a filter chamber, and the filter press assembly 8 uses its own structure to filter the leachate. During use, the filter press assembly 8 uses its own structure to prevent the filter cloth from clogging and affecting the filtration effect. The filtered water is discharged through the drainage assembly 10, and the filter cake formed by the waste is collected by the drainage assembly 10 for easy removal and cleaning by the user. The connecting slider 9 can provide a sliding foundation for the sliding of the filter press assembly 8. The side support plate 13 can provide further fixation for the second fixed plate 12. At the same time, the magnetic push block 14 can help the connecting push plate 6 to advance and filter more conveniently and efficiently.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A filter press device for treating landfill leachate, comprising a fixed support base (1), a first fixed plate (4) fixedly connected to the top of the fixed support base (1), a feed pipe (2) fixedly connected to the surface of the first fixed plate (4), and a pressure valve (3) provided at the top of the feed pipe (2), characterized in that: A propulsion cylinder (5) is provided on the back of the first fixed plate (4). A connecting push plate (6) is fixedly connected to one end of the propulsion cylinder (5). A plurality of movable slide rails (7) are fixedly connected to the back of the fixed support base (1). A plurality of connecting sliders (9) are slidably connected to the surface of the movable slide rails (7). A filter press assembly (8) is provided on the top of the connecting sliders (9). A drainage assembly (10) is fixedly connected to the bottom of the connecting sliders (9). A back support base (11) is fixedly connected to the other end of the movable slide rails (7). A second fixed plate (12) is fixedly connected to the top of the back support base (11).

2. The filter press device for landfill leachate treatment as described in claim 1, characterized in that: The plurality of filter press components (8) include a large particle filter cloth (801), a cleaning hole (802), a small particle filter cloth (803), a connecting filter plate (804), a waste inlet (805), an air chamber (806), an air pipe (807), an air valve (808), a receiving chamber (809), and a connecting handle (810). The plurality of large particle filter cloths (801) are fixedly connected to the top of the connecting slider (9). The cleaning hole (802) is located at the four corners of the surface of the large particle filter cloth (801). The small particle filter cloth (803) is fixedly connected to the inner wall of the large particle filter cloth (801). The connecting filter plate (804) is fixedly connected to one end of the plurality of large particle filter cloths (801).

3. A filter press device for treating landfill leachate as described in claim 2, characterized in that: The waste inlet (805) is located on the surface of the connecting filter plate (804), the air chamber (806) is located on the inner wall of the waste inlet (805), the vent pipe (807) is located on the top of the air chamber (806), the vent valve (808) is fixedly connected to the top of the vent pipe (807), the receiving chamber (809) is fixedly connected between the connecting filter plates (804), and the connecting handle (810) is fixedly connected to both sides of the receiving chamber (809).

4. A filter press device for treating landfill leachate as described in claim 1, characterized in that: The drainage assembly (10) includes a storage box (1001), a filter cake screen (1002), a drain pipe (1003), a drain plate (1004), and a water outlet (1005). The storage box (1001) is fixedly connected between the fixed support base (1) and the back support base (11), and the filter cake screen (1002) is fixedly connected to the inner wall of the storage box (1001).

5. A filter press device for treating landfill leachate as described in claim 4, characterized in that: The drain pipe (1003) is fixedly connected to both sides of the storage box (1001), the drain plate (1004) is fixedly connected to both sides of the bottom of the storage box (1001), and the water outlet (1005) is opened on the inner wall of the drain plate (1004).

6. A filter press device for treating landfill leachate as described in claim 1, characterized in that: The top of the back support (11) is fixedly connected to a plurality of side support plates (13), and the other end of the side support plates (13) is fixedly connected to the back of the second fixing plate (12).

7. A filter press device for landfill leachate treatment as described in claim 1, characterized in that: Multiple magnetic push blocks (14) are fixedly connected to the four corners of the back of the connecting push plate (6), and the positions of the magnetic push blocks (14) match those of the filter press assembly (8).

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