Flexible membrane filtering device for wastewater treatment and reuse

Abstract

The utility model relates to the technical field of wastewater treatment, and discloses a flexible membrane filtering device for wastewater treatment and reuse, which comprises a shell, the top of the shell is fixedly connected with a top cover, the inside of the top cover is fixedly connected with a lead-in pipe, the inside of the top cover is fixedly connected with a lead-out pipe, and the lead-out pipe is fixedly connected with a water inlet pipe. A plurality of straight short pipes are fixedly connected to the exterior of the lead-out pipe, a plurality of bent short pipes are fixedly connected to the exterior of the lead-in pipe, a filter stick is fixedly connected to the front sides of the bent short pipes, a plurality of fixing blocks are fixedly connected to the interior of the filter stick, and a supporting disc is fixedly connected to the front sides of the fixing blocks. According to the utility model, the flexible filter membrane and the carbon filter screen are inserted into the small cylindrical grid and the large cylindrical grid for installation and stabilization, the supporting disc, the clamping ring, the large sealing ring and the small sealing ring are used for left-right sealing, only the sealing block needs to be taken down during replacement, and sealing can be carried out again after installation, so that the convenient replacement of the filter element is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to wastewater treatment technical field especially relates to a flexible membrane filtration device for wastewater treatment and reuse. BACKGROUND

[0002] As a new water treatment technology, flexible membrane filtration technology has unique advantages in wastewater deep treatment and resource utilization due to its high filtration performance and small footprint. In particular, in industries such as medicine, chemical industry, and electronics that have extremely high water quality requirements, flexible membrane filtration can effectively remove bacteria, viruses, and some dissolved organic matter and inorganic matter, making the treated water meet the standard for reuse, which is beneficial to reducing environmental burden and improving water resource utilization. However, the existing wastewater treatment equipment has low wastewater recovery efficiency, and the general membrane structure is prone to blockage, affecting the wastewater treatment effect. Therefore, we propose a flexible membrane filtration device for wastewater treatment and reuse.

[0003] After searching: Chinese patent publication number CN213265975U relates to wastewater treatment technology and discloses an acid wastewater treatment device using flexible membrane technology. The device includes a wastewater tank, an inlet pipe on the top of the wastewater tank, a membrane structure filter box connected to the wastewater tank through a first connecting pipe, a recovery tank connected to the membrane structure filter box through a second connecting pipe, an outlet pipe on the side of the recovery tank, a first valve on the outlet pipe, a water pump on the first connecting pipe, a flow meter on the side of the water pump, a flexible membrane filtration assembly inside the membrane structure filter box, a filter screen and a reverse osmosis membrane structure on both sides of the flexible membrane filtration assembly, an air compressor connected to the membrane structure filter box through a branch pipe, and a check valve on the branch pipe. The device has a scientific and reasonable structure design, good wastewater treatment effect, and strong practicality.

[0004] The above patent embodiment describes a device that includes a wastewater tank, an inlet pipe on the top of the wastewater tank, a membrane structure filter box connected to the wastewater tank through a first connecting pipe, a recovery tank connected to the membrane structure filter box through a second connecting pipe, an outlet pipe on the side of the recovery tank, a first valve on the outlet pipe, a water pump on the first connecting pipe, a flow meter on the side of the water pump, a flexible membrane filtration assembly inside the membrane structure filter box, a filter screen and a reverse osmosis membrane structure on both sides of the flexible membrane filtration assembly, an air compressor connected to the membrane structure filter box through a branch pipe, and a check valve on the branch pipe. The device can filter wastewater with the membrane structure filter box, improve wastewater recovery, reduce wastewater discharge, and achieve water conservation. However, the device is designed as a whole, and the filter cartridge cannot be replaced conveniently. Therefore, a new flexible membrane filtration device for wastewater treatment and reuse is proposed to address the above-mentioned deficiencies. The utility model discloses a content

[0005] In order to make up above insufficient, the utility model provides a kind of flexible membrane filtration device for wastewater treatment reuse, to improve the problem of part device filter core replacement cumbersome in prior art.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of flexible membrane filtration device for wastewater treatment reuse, including shell, the top of the shell is fixedly connected with top cover, the inside of the top cover is fixedly connected with introduction pipe, the inside of the top cover is fixedly connected with lead-out pipe, the outside of the lead-out pipe is fixedly connected with multiple straight short pipes, the outside of the introduction pipe is fixedly connected with multiple bent short pipes, the front side of the bent short pipe is fixedly connected with filter stick, the inside of the filter stick is fixedly connected with multiple fixed blocks, the front side of multiple fixed blocks is fixedly connected with support disc, the front side of the support disc is fixedly connected with large cylindrical grid, the front side of the support disc is fixedly connected with small cylindrical grid, the inside of the large cylindrical grid is slidably connected with carbon filter screen, the inside of the small cylindrical grid is slidably connected with flexible filter membrane, the inside of the filter stick is slidably connected with power component, the inside of the filter stick is fixedly connected with snap ring;

[0007] As further description of the above technical solution: the power component includes sealing block, the rear side of the sealing block is fixedly connected with large sealing ring, the rear side of the sealing block is fixedly connected with small sealing ring, the sealing block is slidably connected in the inside of the filter stick;

[0008] As further description of the above technical solution: the front side of the flexible filter membrane is in contact with the rear side of the small sealing ring, the front side of the carbon filter screen is in contact with the rear side of the large sealing ring, the outside of the lead-out pipe is fixedly connected in the outside of the filter stick;

[0009] As further description of the above technical solution: the rear side of the introduction pipe is fixedly connected with water inlet pipe, the right side of the water inlet pipe is fixedly connected with filter pool, the inside of the filter pool is fixedly connected with two baffle plates;

[0010] As further description of the above technical solution: the inside of the filter pool is fixedly connected with square hollow column, the front side of the square hollow column is fixedly connected with connecting pipe, the front side of the connecting pipe is fixedly connected in the rear side of one of the baffle plates, the front side of the filter pool is fixedly connected with water inlet;

[0011] As further description of the above technical solution: the left side of the lead-out pipe is fixedly connected with water outlet pipe, the left side of the water outlet pipe is fixedly connected with sterilization tank, the top of the sterilization tank is fixedly connected with motor, the drive end of the motor is fixedly connected with stirring stick;

[0012] As a further description of the above technical solutions: the outside of the stirring rod is rotationally connected to the inside of the sterilization tank, the inside of the sterilization tank is provided with a cavity, and the inside of the sterilization tank is fixedly connected with a plurality of nozzles.

[0013] As a further description of the above technical solutions: the left side of the sterilization tank is fixedly connected with a water outlet, the left side of the sterilization tank is fixedly connected with a conveying pipe, the bottom of the conveying pipe is fixedly connected with an air pump, and the rear side of the air pump is fixedly connected with a container.

[0014] The utility model has the advantages of the following beneficial effects:

[0015] 1、 the utility model discloses, through flexible filter membrane and carbon filter screen insert small cylindrical grid and big cylindrical grid to install and stabilize, and use support tray, snap ring, big sealing washer and small sealing washer to carry out left and right sealing, when replacing, can only take down the sealing block, can be sealed again after installation, thereby realize the convenient replacement of filter core.

[0016] 2、 the utility model discloses, through the three -stage deposition in filter pool inside to carry out the preliminary filtration of sewage, make the filthy of the filter core reduce, reduce filter core replacement, through the nozzle to the inside of sterilization tank and inject disinfectant, to disinfect the water and kill bacteria, thereby realize the advance precipitation and disinfection of water, reach the effect of improving water quality. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A three-dimensional view of a flexible membrane filter device for wastewater treatment and reuse is provided for the utility model;

[0018] Figure 2 A structure schematic view of a filter pool of a flexible membrane filter device for wastewater treatment and reuse is provided for the utility model;

[0019] Figure 3 A structure schematic view of a sterilization tank of a flexible membrane filter device for wastewater treatment and reuse is provided for the utility model;

[0020] Figure 4 A structure schematic view of a filter stick of a flexible membrane filter device for wastewater treatment and reuse is provided for the utility model.

[0021] LEGEND:

[0022] 1, shell; 2, top cover; 3, lead-out pipe; 4, lead-in pipe; 5, straight short pipe; 6, bent short pipe; 7, filter rod; 8, fixed block; 9, support disc; 10, large cylindrical grid; 11, small cylindrical grid; 12, flexible filter membrane; 13, carbon filter screen; 14, snap ring; 15, sealing block; 16, large sealing ring; 17, small sealing ring; 18, water inlet pipe; 19, filter tank; 20, baffle; 21, square hollow column; 22, connecting pipe; 23, water inlet; 24, water outlet pipe; 25, disinfection tank; 26, motor; 27, stirring rod; 28, nozzle; 29, chamber; 30, water outlet; 31, conveying pipe; 32, air pump; 33, container. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0024] Reference Figure 1 , Figure 2 , Figure 4The utility model provides a kind of flexible membrane filtering device for wastewater treatment and reuse, including shell 1, the top of shell 1 is fixedly connected with top cover 2, it is favorable to structure stability, the inside of top cover 2 is fixedly connected with introduction pipe 4, water inlet pipe, the inside of top cover 2 is fixedly connected with outlet pipe 3, water outlet pipe, the outside of outlet pipe 3 is fixedly connected with multiple straight short pipes 5, it is convenient to filter stick 7 in water in outlet pipe 3, the outside of introduction pipe 4 is fixedly connected with multiple bent short pipes 6, it is convenient to send sewage to each filter stick 7, the front side of bent short pipe 6 is fixedly connected with filter stick 7, for the protection of filtration structure, the inside of filter stick 7 is fixedly connected with multiple fixed blocks 8, the front side of multiple fixed blocks 8 is fixedly connected with support disc 9, it is in front of water flow, let water flow to all around, the front side of support disc 9 is fixedly connected with large cylindrical grid 10, for fixed carbon filter screen 13 support disc 9 The front side of fixed small cylindrical grid 11 is used for fixing flexible filter membrane 12 large cylindrical grid 10 The inside is slidably connected with carbon filter screen 13 Small cylindrical grid 11 The inside is slidably connected with flexible filter membrane 12, flexible filter membrane 12 and carbon filter screen 13 can be inserted, it is convenient to replace, the inside of filter stick 7 is slidably connected with power assembly, the power assembly includes sealing block 15, the rear side of sealing block 15 is fixedly connected with large sealing ring 16, the rear side of sealing block 15 is fixedly connected with small sealing ring 17, for tightening fixed flexible filter membrane 12 and carbon filter screen 13, sealing block 15 is slidably connected in the inside of filter stick 7, the inside of filter stick 7 is fixedly connected with snap ring 14, limit and seal flexible filter membrane 12 and carbon filter screen 13, the front side of flexible filter membrane 12 and the rear side of small sealing ring 17 are contacted, the front side of carbon filter screen 13 and the rear side of large sealing ring 16 are contacted, extruding sealing ring, improve sealing property, the outside of outlet pipe 3 is fixedly connected in the outside of filter stick 7, and filtered water is guided to next device.

[0025] Refer to Figure 2 The rear side of introduction pipe 4 is fixedly connected with water inlet pipe 18, for conveying sewage, the right side of water inlet pipe 18 is fixedly connected with filter pool 19, for depositing sewage, the inside of filter pool 19 is fixedly connected with two baffle plates 20, filter pool 19 is divided into three areas, the inside of filter pool 19 is fixedly connected with square hollow column 21, small sedimentation area of second area, the front side of square hollow column 21 is fixedly connected with connecting pipe 22, so that the water of first sedimentation area enters square hollow column 21, the front side of connecting pipe 22 is fixedly connected at the rear side of one of baffle plates 20, the front side of filter pool 19 is fixedly connected with water inlet 23, the entrance of sewage into device.

[0026] Refer to Figure 2 , Figure 3The left side of the lead-in pipe 3 is fixedly connected with a water outlet pipe 24 for flowing water, the left side of the water outlet pipe 24 is fixedly connected with a disinfection tank 25, which is a place for water disinfection, the top of the disinfection tank 25 is fixedly connected with a motor 26 for providing power for a stirring rod 27, the driving end of the motor 26 is fixedly connected with the stirring rod 27, so that the water and the disinfectant are fully mixed, the stirring rod 27 is rotatably connected to the inside of the disinfection tank 25, the inside of the disinfection tank 25 is provided with a cavity 29 for facilitating the disinfectant to flow into the disinfection tank 25, a plurality of nozzles 28 are fixedly connected to the inside of the disinfection tank 25 for spraying the disinfectant, the left side of the disinfection tank 25 is fixedly connected with a water outlet 30, which is the outlet of the device, the left side of the disinfection tank 25 is fixedly connected with a conveying pipe 31 for facilitating the transmission of the disinfectant, the bottom of the conveying pipe 31 is fixedly connected with an air pump 32 for providing power for the disinfectant to be sprayed from the nozzles 28, and the rear side of the air pump 32 is fixedly connected with a container 33 for storing the disinfectant.

[0027] Compared with some devices in the prior art, the above-mentioned device can realize convenient replacement of the filter element and pre-deposition and disinfection of water, thereby improving water quality.

[0028] Working principle: The sewage first enters the water filter tank 19 from the water inlet 23, then enters the square hollow column 21 through the connecting pipe 22 after the first sedimentation area is full, then enters the second sedimentation area after the square hollow column 21 is full, then enters the third sedimentation area after the second sedimentation area is full, and then enters the lead-in pipe 4 along the water inlet pipe 18, is divided into different short curved pipes 6, enters the inside of the filter rod 7, is blocked by the support disc 9 to the periphery after entering the inside of the filter rod 7, flows along the inner wall of the filter rod 7, then penetrates through the large cylindrical mesh 10 to flow to the center, continues to penetrate through the small cylindrical mesh 11 to flow to the center, then passes through the snap ring 14 to enter the gap of the sealing block 15, enters the lead-out pipe 3 along the straight short pipe 5, then enters the water outlet pipe 24 along the water outlet pipe 24, the disinfectant in the container 33 is brought into the cavity 29 by the air pump 32 along the conveying pipe 31, and then is sprayed upward from the bottom by the nozzles 28 to disinfect the water, the motor 26 on the disinfection tank 25 also drives the stirring rod 27 to rotate, so that the water and the disinfectant are fully mixed, and finally the disinfected water leaves the device along the water outlet 30.

[0029] Finally, it should be noted that the above-mentioned is only the preferred embodiment of the present application and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A flexible membrane filtration device for wastewater treatment and reuse, comprising a housing (1), characterized in that: A top cover (2) is fixedly connected to the top of the outer shell (1). An inlet pipe (4) is fixedly connected inside the top cover (2). An outlet pipe (3) is fixedly connected inside the top cover (2). Multiple straight short pipes (5) are fixedly connected to the outside of the outlet pipe (3). Multiple bent short pipes (6) are fixedly connected to the outside of the inlet pipe (4). A filter rod (7) is fixedly connected to the front side of the bent short pipe (6). Multiple fixing blocks (8) are fixedly connected inside the filter rod (7). A support plate (9) is fixedly connected to the front side of the filter rod (7). A large cylindrical mesh (10) is fixedly connected to the front side of the support plate (9). A small cylindrical mesh (11) is fixedly connected to the front side of the support plate (9). A carbon filter (13) is slidably connected inside the large cylindrical mesh (10). A flexible filter membrane (12) is slidably connected inside the small cylindrical mesh (11). A power component is slidably connected inside the filter rod (7). A retaining ring (14) is fixedly connected inside the filter rod (7).

2. The flexible membrane filtration device for wastewater treatment and reuse according to claim 1, characterized in that: The power assembly includes a sealing block (15), a large sealing ring (16) is fixedly connected to the rear side of the sealing block (15), a small sealing ring (17) is fixedly connected to the rear side of the sealing block (15), and the sealing block (15) is slidably connected inside the filter rod (7).

3. The flexible membrane filtration device for wastewater treatment and reuse according to claim 2, characterized in that: The front side of the flexible filter membrane (12) is in contact with the rear side of the small sealing ring (17), the front side of the carbon filter (13) is in contact with the rear side of the large sealing ring (16), and the outside of the outlet tube (3) is fixedly connected to the outside of the filter rod (7).

4. The flexible membrane filtration device for wastewater treatment and reuse according to claim 1, characterized in that: The rear side of the inlet pipe (4) is fixedly connected to the water inlet pipe (18), and the right side of the water inlet pipe (18) is fixedly connected to the water filter tank (19). The inside of the water filter tank (19) is fixedly connected to two baffles (20).

5. A flexible membrane filtration device for wastewater treatment and reuse according to claim 4, characterized in that: The filter tank (19) is fixedly connected to a square hollow column (21), and a connecting pipe (22) is fixedly connected to the front side of the square hollow column (21). The front side of the connecting pipe (22) is fixedly connected to the rear side of one of the baffles (20), and a water inlet (23) is fixedly connected to the front side of the filter tank (19).

6. The flexible membrane filtration device for wastewater treatment and reuse according to claim 1, characterized in that: A water outlet pipe (24) is fixedly connected to the left side of the outlet pipe (3), and a disinfection tank (25) is fixedly connected to the left side of the water outlet pipe (24). A motor (26) is fixedly connected to the top of the disinfection tank (25), and a stirring rod (27) is fixedly connected to the drive end of the motor (26).

7. A flexible membrane filtration device for wastewater treatment and reuse according to claim 6, characterized in that: The stirring rod (27) is rotatably connected to the outside of the sterilization tank (25), the inside of the sterilization tank (25) is provided with a chamber (29), and multiple nozzles (28) are fixedly connected inside the sterilization tank (25).

8. A flexible membrane filtration device for wastewater treatment and reuse according to claim 7, characterized in that: A water outlet (30) is fixedly connected to the left side of the disinfection tank (25), a delivery pipe (31) is fixedly connected to the left side of the disinfection tank (25), an air pump (32) is fixedly connected to the bottom of the delivery pipe (31), and a container (33) is fixedly connected to the rear side of the air pump (32).

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