CN224071669U - Anti-pollution type MBR membrane device with self-cleaning function - Google Patents

Abstract

This utility model discloses a self-cleaning, anti-fouling MBR membrane device, including a device frame. A permeate pipe is fixedly installed on the device frame. An upper water collection pipe and a lower water collection pipe are fixedly installed on the top and bottom of one side of the permeate pipe, respectively, and membrane fibers are installed between the upper and lower water collection pipes. A four-way connector is fixedly installed at the upper end of the permeate pipe. A suction pipe, a backwash air pipe, and a backwash water pipe are also installed on the four-way connector. Compared with the prior art, this utility model, by setting a four-way connector at the upper end of the permeate pipe of the device frame and installing a suction pipe, a backwash air pipe, and a backwash water pipe, can achieve a good air-water combined backwashing function for the MBR membrane device, with good self-cleaning effect and reduced membrane replacement frequency.

Description

Anti-pollution type MBR membrane device with self-cleaning function

Technical Field

The utility model relates to the technical field of MBR (Membrane biological reactor) membranes, in particular to an anti-pollution type MBR membrane device with a self-cleaning function.

Background

An MBR membrane is a device that combines a conventional bioreactor and membrane filtration technology to effectively remove suspended substances, microorganisms and organic matters in wastewater. Phenomenon that sludge adheres to the membrane surface after the MBR membrane is used for a long time. As the wastewater undergoes a biological treatment process in the membrane bioreactor, the microorganisms degrade the organics to form sludge. These microorganisms and sludge particles will be suspended in the water and gradually deposit and accumulate on the membrane surface. Over time, the deposition process can lead to the formation of a layer of sludge membrane on the membrane surface, so that the permeability of the membrane is gradually reduced, at present, the self-cleaning effect of the traditional MBR membrane device is not ideal, and only an aeration pipe is paved at the bottom for decontamination, for example, when a membrane wire is used for long-term pollution, the whole membrane assembly is required to be removed for manual or equipment cleaning, so that the pollution-resistant MBR membrane device with the self-cleaning function is more inconvenient.

Disclosure of utility model

The utility model aims to provide an anti-pollution MBR membrane device with a self-cleaning function, so as to solve the problems in the background technology.

The anti-pollution MBR membrane device with the self-cleaning function comprises a device frame body, wherein a water production pipe is fixedly arranged on the device frame body, an upper water collection pipe and a lower water collection pipe are respectively and fixedly arranged at the top and the bottom of one side of the water production pipe, membrane wires are arranged between the upper water collection pipe and the lower water collection pipe, a branch pipe four-way piece is fixedly arranged at the upper end of the water production pipe, and a suction pipe, a backflushing air pipe and a backflushing water pipe are also arranged on the branch pipe four-way piece.

As a preferable technical scheme of the utility model, the suction pipe, the backflushing air pipe and the backflushing water pipe are all provided with electric valves.

As a preferable technical scheme of the utility model, the membrane wires are in a plurality of groups, the upper end of each group of membrane wires is connected with a telescopic hose, the outer surface of each group of telescopic hoses is fixedly sleeved with a mounting sleeve, and the adjacent groups of mounting sleeves are movably connected through a vibrating piece.

As a preferable technical scheme of the utility model, the two ends of the mounting sleeve are respectively provided with a first connecting sheet and a second connecting sheet, and the first connecting sheet and the second connecting sheet are mutually fixed and adhered.

As a preferable technical scheme of the utility model, the vibrating piece comprises a column sleeve and a movable column which are movably sleeved with each other, and the column sleeve is movably connected with the movable column through a spring.

As a preferable technical scheme of the utility model, an aeration pipe is arranged below the lower water collecting pipe, and the upper end of the aeration pipe is fixedly connected with an aeration inlet pipe.

Compared with the prior art, the utility model has the beneficial effects that:

According to the anti-pollution MBR membrane device with the self-cleaning function, the upper end of the water production pipe of the device frame body is provided with the pipe separation four-way piece, and the suction pipe, the backflushing air pipe and the backflushing water pipe are arranged, so that the good air-water combined backflushing function of the MBR membrane device can be realized, the self-cleaning effect is good, and the membrane replacement frequency can be reduced.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

Fig. 2 is a schematic view of the connection structure between the flexible hose, the mounting sleeve and the vibrating member of the present utility model.

The device comprises a device frame body, a water producing pipe, an upper water collecting pipe, a lower water collecting pipe, a pipe separating four-way component, a suction pipe, a recoil air pipe, a backwashing water pipe, a 9 electric valve, a 10 membrane wire, a11 flexible pipe, a 12 mounting sleeve, a 121, a first connecting piece, a 122, a second connecting piece, a 13, a vibrating piece, a 131, a column sleeve, a 132, a movable column, a 133, a spring, a 14, an aeration pipe, a 15 and an aeration inlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-2, in this embodiment, an anti-pollution MBR membrane device with a self-cleaning function is provided, which includes a device frame 1, a water producing pipe 2 is fixedly installed on the device frame 1, an upper water collecting pipe 3 and a lower water collecting pipe 4 are respectively fixedly installed at the top and the bottom of one side of the water producing pipe 2, a membrane wire 10 is installed between the upper water collecting pipe 3 and the lower water collecting pipe 4, a branch pipe four-way member 5 is fixedly installed at the upper end of the water producing pipe 2, a suction pipe 6, a backflushing air pipe 7 and a backflushing water pipe 8 are further installed on the branch pipe four-way member 5, concretely, one end of the suction pipe 6, which is far away from the branch pipe four-way member 5, is installed with a suction pump, the backflushing air pipe 7 is connected with an air compressor, wherein the pressure of compressed air generated by the backflushing air pipe 7 can be about 0.03-0.05MPa, the time of ventilation can be about 1-3 minutes, compressed air can be introduced into a membrane assembly, the membrane wire 10 can vibrate, the pollutants attached to the membrane surface are loosened, then the backflushing water pipe 8 is utilized to carry out backflushing water flow through the branch pipe, and the backflushing water flow can be effectively prevented from damaging the membrane 2.0.

In this embodiment, the electric valves 9 are installed on the suction pipe 6, the back flushing air pipe 7 and the back flushing water pipe 8, specifically, by utilizing the suction effect of the suction pump, sewage outside the MBR membrane device can be sucked into the membrane wire 10 through pressure difference, effective purification of the sewage can be realized under interception and filtration of the membrane wire 10, purified water enters the water producing pipe 2 through the upper water collecting pipe 3 and the lower water collecting pipe 4, and then is pumped into the suction pipe 6 through the branch pipe four-way piece 5 and finally discharged into the clean water tank, and the purification work of the sewage is completed, wherein during the suction and purification work, the electric valves 9 on the suction pipe 6 are opened, the electric valves 9 on the back flushing air pipe 7 and the back flushing water pipe 8 are closed, the starting time of the three electric valves 9 can be controlled in time according to the DCS control system, and when self-cleaning is required, the electric valves 9 on the suction pipe 6 are closed, and the self-cleaning purpose of air back flushing and water back flushing can be completed in the gap of the clean water work.

In this embodiment, the membrane wires 10 are multiple groups, the upper end of each group of membrane wires 10 is connected with a flexible hose 11, the outer surface of each group of flexible hoses 11 is fixedly sleeved with a mounting sleeve 12, adjacent groups of mounting sleeves 12 are movably connected through a vibrating piece 13, the vibrating piece 13 comprises a column sleeve 131 and a movable column 132 which are movably sleeved with each other, and the column sleeve 131 and the movable column 132 are movably connected through a spring 133, wherein the flexible hose 11 is a PU wear-resistant steel wire hose, has good elasticity and flexibility, can improve the vibration effect of the membrane wires 10, and can enhance the vibration effect of the membrane wires 10 under the action of bottom aeration and a recoil air pipe or a backwashing water pipe, thereby improving the self-cleaning effect.

In this embodiment, the two ends of the mounting sleeve 12 are respectively provided with the first connecting piece 121 and the second connecting piece 122, and the first connecting piece 121 and the second connecting piece 122 are fixedly adhered to each other, and the specific first connecting piece 121 and the second connecting piece 122 can be respectively a rough surface and a hook surface of the magic patch, so that the mounting or dismounting convenience of the mounting sleeve 12 is improved.

In this embodiment, the below of lower collector pipe 4 is provided with aeration pipe 14, and aeration pipe 14's upper end fixedly connected with aeration advances pipe 15, and aeration pipe 14, aeration advance pipe 15 and all fixed mounting are on device support body 1, and have arranged a plurality of aeration mouths on the aeration pipe 14, can carry out fine cleaning treatment to the membrane silk 10 surface of top through the aeration that aeration pipe 14 produced, and then promote the automatically cleaning effect of MBR membrane device.

Through setting up the pipe cross spare that is divided 5 in the water production pipe 2 upper end of device support body 1 to install suction tube 6, recoil trachea 7, back flush water pipe 8, can realize having good gas-water to MBR membrane device and unite the back flush function, it is effectual automatically cleaning, can reduce the change frequency of membrane.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides an anti-pollution formula MBR membrane device with automatically cleaning function, its characterized in that, including device support body (1), fixed mounting has on device support body (1) and produces water pipe (2), one side top and the bottom of producing water pipe (2) are fixed mounting respectively has water collecting pipe (3) and lower water collecting pipe (4), and installs membrane silk (10) between water collecting pipe (3) and lower water collecting pipe (4), the upper end fixed mounting of producing water pipe (2) has a tub cross spare (5) that is divided, still install suction tube (6), recoil trachea (7) and back flush water pipe (8) on the tub cross spare (5).

2. The anti-pollution type MBR membrane device with a self-cleaning function as claimed in claim 1, wherein the suction pipe (6), the backflushing air pipe (7) and the backflushing water pipe (8) are provided with electric valves (9).

3. The anti-pollution MBR membrane device with a self-cleaning function according to claim 1, wherein the membrane wires (10) are multiple groups, the upper end of each group of membrane wires (10) is connected with a telescopic hose (11), the outer surface of each group of telescopic hoses (11) is fixedly sleeved with a mounting sleeve (12), and adjacent groups of mounting sleeves (12) are movably connected through a vibrating piece (13).

4. An anti-fouling MBR membrane device with a self-cleaning function according to claim 3, characterized in that the two ends of the mounting sleeve (12) are respectively provided with a first connecting sheet (121) and a second connecting sheet (122), and the first connecting sheet (121) and the second connecting sheet (122) are mutually fixed and adhered.

5. An anti-fouling MBR membrane device with a self-cleaning function according to claim 3, characterized in that the vibrating piece (13) comprises a column sleeve (131) and a movable column (132) which are movably sleeved with each other, and the column sleeve (131) and the movable column (132) are movably connected through a spring (133).

6. The anti-pollution MBR membrane device with a self-cleaning function according to claim 1, wherein an aeration pipe (14) is arranged below the lower water collecting pipe (4), and the upper end of the aeration pipe (14) is connected with an aeration inlet pipe (15).