Modularized percolate membrane filtering device

Abstract

The utility model discloses a modularized percolate membrane filtering device which comprises a filtering shell, a filtering membrane used for filtering percolate is installed in the filtering shell, a pressure applying mechanism used for increasing filtering pressure is installed at the position, corresponding to the filtering membrane, of the top of the filtering shell, and the pressure applying mechanism comprises a pressure applying assembly arranged in the filtering shell. An adjusting assembly used for adjusting the pressure applying assembly is installed at the position, corresponding to the pressure applying assembly, of the top of the filtering shell, the pressure applying assembly comprises a pressure applying frame, and a stirring assembly is installed on the pressure applying frame. According to the membrane filtration device disclosed by the utility model, the percolate can be pressed while the percolate is filtered, so that the speed of the percolate penetrating through the filtration membrane is increased, the filtration efficiency of the percolate is further improved, and meanwhile, the filtration membrane can be backwashed, so that the practicability of the membrane filtration device disclosed by the utility model is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to membrane filtration technical field, especially a kind of modular leachate membrane filtration device. BACKGROUND

[0002] Landfill leachate is a kind of high-concentration organic wastewater with complex composition generated in the process of collection, transportation, treatment and disposal of garbage, which contains not only a large amount of organic pollutants, but also high content of ammonia nitrogen and salts, and contains more than ten metal ions, biological nutrition ratio is out of balance, water quantity and quality change greatly, color depth and have stench, difficult to handle.

[0003] For example, a kind of MBR membrane filtration device for landfill leachate is disclosed in Chinese patent CN113149198A, which includes filter box frame, filter box frame is provided with input pipeline, filter channel, turnover channel, output pipeline and terminal water feeder respectively;Two or more than two filter channels are provided, the initial end of the filter channel is connected with the input pipeline, and the terminal filter channel is connected with the output pipeline;Filter membrane layer is arranged in the filter channel, the filter membrane layer separates the filter channel into several chambers, and cleaning assembly and filter removal assembly are arranged in the corresponding chamber;Turnover channel is connected with adjacent filter channels.

[0004] Although the above technical solution solves the corresponding technical problem, the above technical solution still has the following defects:

[0005] The membrane filtration device of the above technical solution is not convenient for applying pressure to the filtrate, thereby reducing the filtration efficiency. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of modular leachate membrane filtration device, not only in the filtration of leachate, leachate can be applied pressure, thereby increase the rate of leachate through filter membrane, thereby improve the filtration efficiency of leachate, simultaneously, filter membrane can be backflushed, thereby improve the practicability of the membrane filtration device of the utility model.

[0007] In order to achieve the above purpose, the main technical scheme adopted by the utility model includes:

[0008] A kind of modular leachate membrane filtration device, comprising:

[0009] Filter shell, the inside of the filter shell is mounted with filter membrane for leachate filtration, the top of the filter shell and the position corresponding to the filter membrane are mounted with pressure applying mechanism for increasing filtration pressure, the pressure applying mechanism includes pressure applying assembly arranged in the inside of the filter shell, the top of the filter shell and the position corresponding to the pressure applying assembly are mounted with adjusting assembly for adjusting the pressure applying assembly.

[0010] The modular leachate membrane filtration device, wherein the pressure applying assembly comprises a pressure applying frame, and an agitation assembly is mounted on the pressure applying frame.

[0011] The modular leachate membrane filtration device, wherein a sealing sleeve matching the filter shell is arranged at the edge of the pressure applying frame.

[0012] The modular leachate membrane filtration device, wherein the agitation assembly comprises a servo motor fixedly connected to the pressure applying frame, and an agitation blade is fixedly connected to the output shaft of the servo motor.

[0013] The modular leachate membrane filtration device, wherein a sealing pad is mounted on the pressure applying frame and at the position corresponding to the servo motor.

[0014] The modular leachate membrane filtration device, wherein the adjusting assembly comprises a mounting frame fixedly connected to the top of the filter shell, a threaded sleeve fixedly connected to the mounting frame, an adjusting bolt threadedly connected to the threaded sleeve, and a connecting bearing connecting the bottom of the adjusting bolt with the center of the top of the pressure applying frame.

[0015] The modular leachate membrane filtration device, wherein a water inlet pipe for leachate is mounted on one side of the filter shell, and a drain pipe is mounted on the bottom of the other side of the filter shell.

[0016] The modular leachate membrane filtration device, wherein a backwashing pump is mounted on the bottom of one side of the filter shell, and a slag discharge pipe is mounted on the other side of the filter shell.

[0017] The utility model at least has following beneficial effects:

[0018] The modular leachate membrane filtration device provided by the utility model can not only filter leachate but also apply pressure to the leachate, thereby increasing the rate of leachate permeating through the filter membrane and improving the filtration efficiency of the leachate. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and serve to explain the application without imposing undue limitation thereon. In the drawings:

[0020] Figure 1 FIG. 1 is a structural schematic view of the modular leachate membrane filtration device of the utility model;

[0021] Figure 2 FIG. 2 is a sectional structural schematic view of the modular leachate membrane filtration device of the utility model;

[0022] Figure 3 It is the structural schematic view of the pressure applying assembly in the modular leachate membrane filter device of the utility model.

[0023] Figure 4 It is the structural schematic view of the adjusting assembly in the modular leachate membrane filter device of the utility model.

[0024] Explanation of the attached drawing number:

[0025] 1, filter shell;2, filter membrane;3, pressure applying mechanism;

[0026] 101, water inlet pipe;1011, drain pipe;

[0027] 102, backwashing pump;1021, slag discharge pipe;

[0028] 301, pressure applying assembly;302, adjusting assembly;

[0029] 3011, pressure applying frame;30111, sealing sleeve;

[0030] 3012, stirring assembly;30121, servo motor;30122, stirring blade;30123, sealing gasket;3021, mounting bracket;3022, threaded sleeve;3023, adjusting bolt;3024, connecting bearing. DETAILED DESCRIPTION

[0031] The embodiment of the application will be described in detail below with the aid of the drawings and examples, whereby the realization process of how the application applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented.

[0032] Please refer to Figures 1 to 4 The embodiment provides a modular leachate membrane filter device, which comprises a filter shell 1, a filter membrane 2 for leachate filtration is installed in the inside of the filter shell 1, a pressure applying mechanism 3 for increasing filtration pressure is installed at the top of the filter shell 1 and corresponds to the position of the filter membrane 2, the pressure applying mechanism 3 comprises a pressure applying assembly 301 arranged in the inside of the filter shell 1, and an adjusting assembly 302 for adjusting the pressure applying assembly 301 is installed at the top of the filter shell 1 and corresponds to the position of the pressure applying assembly 301.

[0033] The above-mentioned modular leachate membrane filter device can not only filter leachate, but also apply pressure to the leachate, thereby increasing the rate of leachate permeating through the filter membrane 2, and further improving the filtration efficiency of the leachate, and at the same time, the filter membrane 2 can be backwashed, thereby improving the practicability of the membrane filter device.

[0034] Please refer to Figures 1 to 4As shown, the pressure assembly 301 comprises a pressure frame 3011, an agitating assembly 3012 is mounted on the pressure frame 3011, a sealing sleeve 30111 is arranged at the edge of the pressure frame 3011 and matches the filter shell 1, the sealing sleeve 30111 increases the sealing performance of the connection between the pressure frame 3011 and the inner wall of the filter shell 1, the agitating assembly 3012 comprises a servo motor 30121 fixedly connected to the pressure frame 3011, an agitating blade 30122 is fixedly connected to the output shaft of the servo motor 30121, the downward movement of the pressure frame 3011 can increase the permeation rate of the filtrate through the filter membrane 2, thereby improving the filtration efficiency of the filtrate, meanwhile, the rotation of the agitating blade 30122 driven by the servo motor 30121 can agitate the filtrate, thereby avoiding that the filter residue of the filtrate blocks the filter eyes of the filter membrane 2, and the filtration efficiency of the filtrate is improved.

[0035] Please refer to Figures 1 to 4 As shown, a sealing gasket 30123 is mounted on the position of the pressure frame 3011 corresponding to the servo motor 30121, the sealing gasket 30123 increases the sealing performance of the installation of the servo motor 30121 on the pressure frame 3011, the adjusting assembly 302 comprises a mounting frame 3021 fixedly connected to the top of the filter shell 1, a threaded sleeve 3022 is fixedly connected to the mounting frame 3021, an adjusting bolt 3023 is threadedly connected to the threaded sleeve 3022, the bottom of the adjusting bolt 3023 is rotationally connected to the center of the top of the pressure frame 3011 through a connecting bearing 3024, a water inlet pipe 101 for the permeation of the filtrate is mounted on one side of the filter shell 1, a drain pipe 1011 is mounted on the bottom of the other side of the filter shell 1, a backwashing pump 102 is mounted on the bottom of one side of the filter shell 1, and a residue discharge pipe 1021 is mounted on the other side of the filter shell 1, the backwashing pump 102 performs backwashing, so that the filter residue on the top of the filter membrane 2 is discharged through the residue discharge pipe 1021.

[0036] The working principle of the utility model is: not only during the filtration of the filtrate, but also by rotating the adjusting bolt 3023 and driving the pressure frame 3011 to move downward under the threaded action of the threaded sleeve 3022, so that the pressure frame 3011 can press the filtrate, thereby increasing the permeation rate of the filtrate through the filter membrane 2, and improving the filtration efficiency of the filtrate, meanwhile, the backwashing pump 102 performs backwashing, so that the filter residue on the top of the filter membrane 2 is discharged through the residue discharge pipe 1021, thereby improving the practicability of the membrane filtration device.

[0037] The working process is as follows:

[0038] 1. Filtrate input: first, the filtrate is introduced into the inside of the filter shell 1 through the water inlet pipe 101.

[0039] 2. Apply pressure: Next, by adjusting the position of the adjusting bolt 3023 on the threaded sleeve 3022, the pressure application frame 3011 is lowered, thereby applying pressure to the leachate. This step aims to increase the rate of leachate permeation through the filter membrane 2, improving filtration efficiency.

[0040] 3. Agitate the leachate: While applying pressure, the servo motor 30121 is activated, causing the agitation blades 30122 to rotate, agitating the leachate to prevent filter residue from clogging the filter eyes of the filter membrane 2.

[0041] 4. Filtration and drainage: After filtration through the filter membrane 2, impurities in the leachate are trapped, while clean liquid passes through the filter membrane 2 and is eventually discharged through the drain pipe 1011.

[0042] 5. Backwashing and residue discharge: When it is necessary to clean the filter residue on the filter membrane 2, the backwashing pump 102 is activated for backwashing. During backwashing, the filter residue is flushed and discharged through the residue discharge pipe 1021.

[0043] Among them, the pressure applying mechanism 3 adopts a modular design: the pressure applying mechanism 3 includes a pressure applying assembly 301 and an adjusting assembly 302. The pressure applying assembly 301 is responsible for applying pressure and agitating the leachate, while the adjusting assembly 302 is responsible for adjusting the position of the pressure applying assembly 301 to adapt to different filtration requirements. This modular design allows the pressure applying mechanism 3 to be installed, debugged and maintained as a whole, improving the flexibility and reliability of the equipment.

[0044] The above description shows and describes several preferred embodiments of the present application, but as before, it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the present application concept, by the above teachings or related technical or knowledge. Any modification and change made by those skilled in the art without departing from the spirit and scope of the present application shall be within the scope of protection of the appended claims of the present application.

Claims

1. A modular diafiltration membrane filtration device comprising a filtration housing (1), characterized in that, The filter shell (1) is internally provided with a filter membrane (2) for leachate filtration, and a pressure applying mechanism (3) for increasing filtration pressure is installed on the top of the filter shell (1) and corresponds to the position of the filter membrane (2), wherein the pressure applying mechanism (3) comprises a pressure applying assembly (301) arranged inside the filter shell (1), and an adjusting assembly (302) for adjusting the pressure applying assembly (301) is installed on the top of the filter shell (1) and corresponds to the position of the pressure applying assembly (301).

2. A modular diafiltration membrane filtration device according to claim 1, characterized in that: The pressure applying assembly (301) comprises a pressure applying frame (3011) on which an agitating assembly (3012) is installed.

3. A modular diafiltration membrane filtration device according to claim 2, wherein: A sealing sleeve (30111) matching the filter shell (1) is arranged at the edge of the pressure applying frame (3011).

4. The modular diafiltration membrane filtration device of claim 3, wherein: The agitating assembly (3012) comprises a servo motor (30121) fixedly connected to the pressure applying frame (3011), and an agitating blade (30122) is fixedly connected to the output shaft of the servo motor (30121).

5. A modular diafiltration membrane filtration device according to claim 4, wherein: A sealing gasket (30123) is installed on the pressure applying frame (3011) and corresponds to the position of the servo motor (30121).

6. A modular diafiltration membrane filtration device according to claim 5, wherein: The adjusting assembly (302) comprises a mounting frame (3021) fixedly connected to the top of the filter shell (1), a threaded sleeve (3022) fixedly connected to the mounting frame (3021), an adjusting bolt (3023) threadedly connected to the threaded sleeve (3022), and the bottom of the adjusting bolt (3023) is rotationally connected to the center of the top of the pressure applying frame (3011) through a connecting bearing (3024).

7. A modular diafiltration membrane filtration device according to claim 6, wherein: A water inlet pipe (101) for leachate inlet is installed on one side of the filter shell (1), and a drain pipe (1011) is installed at the bottom of the other side of the filter shell (1).

8. A modular diafiltration membrane filtration device according to claim 7, wherein: A backwashing pump (102) is installed at the bottom of one side of the filter shell (1), and a residue discharge pipe (1021) is installed on the other side of the filter shell (1).

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