CN215161359U

CN215161359U - Membrane bioreactor for wastewater treatment

Info

Publication number: CN215161359U
Application number: CN202120554963.1U
Authority: CN
Inventors: 何桂华; 何浩
Original assignee: Jingjiang Tianneng Environmental Protection Technology Co ltd
Current assignee: Jingjiang Tianneng Environmental Protection Technology Co ltd
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2021-12-14
Anticipated expiration: 2031-03-18

Abstract

The utility model discloses a membrane bioreactor for wastewater treatment, relating to the technical field of wastewater treatment. Including membrane biological reaction pond and membrane bioreactor, the top fixedly connected with motor of membrane biological reaction pond, the drive end fixedly connected with pivot of motor, the overflow mouth has been seted up to one side of membrane biological reaction pond, be provided with the filter frame in the membrane biological reaction pond, the bottom fixedly connected with supporting leg of filter frame, supporting leg fixed connection is in the inner chamber bottom of membrane biological reaction pond, be provided with membrane bioreactor in the filter frame, through setting up the motor, the pivot, filter frame and membrane bioreactor, filter the large-scale foreign particle in the waste water that the filter frame will pass through it, prevent membrane bioreactor during operation, large-scale particle adsorbs on it, influence its work efficiency, the motor drives membrane bioreactor through the pivot and rotates, aerobic granule mud and the waste water that can make inoculation in the membrane module fully contact, improve waste water treatment efficiency.

Description

Membrane bioreactor for wastewater treatment

Technical Field

The utility model relates to the technical field of wastewater treatment, in particular to a membrane bioreactor for wastewater treatment.

Background

The membrane bioreactor is a wastewater treatment technology combining a biological treatment unit and a membrane separation technology, has the technical advantages of high efficiency interception of biomass, has the advantages of small floor area, low residual sludge yield and the like, and is widely applied to the wastewater treatment process.

The existing membrane bioreactor is easy to damage the membrane bioreactor due to overlarge impurity particles in the using process, the filtering effect is reduced, in addition, oxygen introduced by an aeration device cannot be fully contacted with wastewater, and the wastewater treatment effect is influenced, so that the problem is solved by the membrane bioreactor for wastewater treatment.

SUMMERY OF THE UTILITY MODEL

The utility model provides a membrane bioreactor for wastewater treatment possesses ability effective filtration impurity, prevents to harm membrane bioreactor, and waste water is abundant and the oxygen contact, increases the advantage of waste water treatment effect to solve the problem that the membrane bioreactor, oxygen can not be abundant and waste water carry out the contact that the foreign particles is vulnerable to.

In order to realize effective impurity filtering, prevent to damage the membrane bioreactor, and the purpose of sufficient and oxygen contact of waste water, the utility model provides the following technical scheme: a membrane bioreactor for wastewater treatment comprises a membrane bioreactor and a membrane bioreactor, wherein the top of the membrane bioreactor is fixedly connected with a motor, the driving end of the motor is fixedly connected with a rotating shaft, one side of the membrane bioreactor is provided with an overflow port, the membrane bioreactor is internally provided with a filter frame, the bottom of the filter frame is fixedly connected with supporting legs, the supporting legs are fixedly connected with the bottom of an inner cavity of the membrane bioreactor, the membrane bioreactor is arranged in the filter frame, the rotating shaft penetrates through the top of the filter frame and the membrane bioreactor and is connected with the top of the membrane bioreactor through a turntable, the membrane bioreactor comprises a fixed frame, two fixed plates and two membrane assemblies, the middle part of the fixed frame is fixedly connected with the fixed plates, and the membrane assemblies are fixedly arranged between the two fixed frames, the rotary shaft penetrates through the fixed plate and is connected with the fixed plate through the rotary disc, one side of the membrane biological reaction tank is fixedly connected with an aeration fan, one side of the aeration fan is connected with an air pipe, the air pipe penetrates through one side of the membrane biological reaction tank and is connected to the other side of the inner cavity of the membrane biological reaction tank, and an aeration port is formed in the upper surface of the air pipe.

As the utility model discloses a preferred technical scheme, one side in membrane biological reaction pond is located the top fixedly connected with self priming pump of aeration fan, the both ends of self priming pump are connected with the water pipe, the water pipe that self priming pump top is connected runs through membrane biological reaction pond, fixed connection membrane bioreactor, the bottom water pipe intercommunication of self priming pump communicates to the clean water basin.

As an optimal technical scheme of the utility model, the aeration mouth includes wind channel and air outlet, the wind channel is trident shape, its bottom intercommunication tuber pipe, the air outlet has been seted up on the top of wind channel.

As an optimized technical scheme of the utility model, the filter frame is the mouth font, and it is filled with filter fiber.

As an optimized technical scheme of the utility model, the membrane module is the dull and stereotyped membrane, and the material is polyvinylidene fluoride.

As a preferred technical proposal of the utility model, the membrane component is inoculated with aerobic granular sludge.

Compared with the prior art, the utility model provides a membrane bioreactor for wastewater treatment possesses following beneficial effect:

1. this membrane bioreactor for waste water treatment through setting up motor, pivot, filter frame and membrane bioreactor, filters large-scale foreign particles in the waste water that the filter frame can be through it and filters, prevents that membrane bioreactor during operation, large-scale granule from adsorbing on it, influences its work efficiency, and the motor drives membrane bioreactor rotation through the pivot, can make the good oxygen granule mud of inoculation in the membrane module fully contact with waste water, improves waste water treatment efficiency.

2. The membrane bioreactor for treating the wastewater is provided with the air flow channel and the air outlet, the aeration fan performs aeration, the air flow is diverged after entering the air flow channel and then enters the membrane bioreactor tank from the fine air outlet, the air flow speed is improved, the contact area between the air and the wastewater when entering the membrane bioreactor tank is increased, so that the membrane bioreactor is fully contacted with oxygen, and the wastewater treatment efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the membrane bioreactor of the present invention;

fig. 3 is a schematic structural view of the aeration port of the present invention.

In the figure: 1. a membrane bioreactor reaction tank; 2. a motor; 3. a rotating shaft; 4. a filter frame; 5. a membrane bioreactor; 6. a fixed mount; 7. a fixing plate; 8. a membrane module; 9. an aeration fan; 10. a self-priming pump; 11. A water pipe; 12. an air duct; 13. an aeration opening; 14. an air flow passage; 15. and (7) air outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the utility model discloses a membrane bioreactor for wastewater treatment, which comprises a membrane bioreactor 1 and a membrane bioreactor 5, wherein the top of the membrane bioreactor 1 is fixedly connected with a motor 2, the driving end of the motor 2 is fixedly connected with a rotating shaft 3, one side of the membrane bioreactor 1 is provided with an overflow port, the membrane bioreactor 1 is internally provided with a filter frame 4, the bottom of the filter frame 4 is fixedly connected with supporting legs, the supporting legs are fixedly connected with the bottom of the inner cavity of the membrane bioreactor 1, the membrane bioreactor 5 is arranged in the filter frame 4, the rotating shaft 3 penetrates through the top of the filter frame 4 and the membrane bioreactor 5 and is connected with the top of the membrane bioreactor 5 through a turntable, the membrane bioreactor 5 comprises a fixed frame 6, a fixed plate 7 and two membrane assemblies 8, the fixed frame 6 is vertically provided with two, the middle part fixedly connected with fixed plate 7 of mount 6, the fixed membrane module 8 that is provided with between two mounts 6, pivot 3 runs through fixed plate 7 to connect fixed plate 7 through the carousel, one side fixedly connected with aeration fan 9 of membrane bioreaction pond 1, one side of aeration fan 9 is connected with tuber pipe 12, tuber pipe 12 runs through membrane bioreaction pond 1 one side, and is connected to 1 inner chamber opposite side in membrane bioreaction pond, aeration port 13 has been seted up to the upper surface of tuber pipe 12.

Specifically, one side of the membrane biological reaction tank 1 is located above an aeration fan 9 and fixedly connected with a self-priming pump 10, two ends of the self-priming pump 10 are connected with a water pipe 11, the water pipe 11 connected to the top end of the self-priming pump 10 runs through the membrane biological reaction tank 1 and the fixed connection membrane bioreactor 5, and a bottom water pipe of the self-priming pump 10 is communicated to a clean water tank (not shown in the figure).

In this embodiment, the self-priming pump 10 pumps the wastewater filtered by the membrane bioreactor 5 out and discharges the wastewater into the clean water tank.

Specifically, the aeration opening 13 includes an air flow channel 14 and an air outlet 15, the air flow channel 14 is three-fork shaped, the bottom end of the air flow channel 14 is communicated with the air pipe 12, and the top end of the air flow channel 14 is provided with the air outlet 15.

In this embodiment, the air is diverged in the air flow path 14, the air speed is increased when discharged from the air outlet 15, and the contact area between the air and the waste water is increased. The air with high flow rate can simultaneously wash the filter frame 4 and the membrane bioreactor 5, thereby reducing the membrane pollution process.

Specifically, the filter frame 4 is in a shape of a square, and is filled with filter fibers.

In this embodiment, the membrane bioreactor 5 is arranged in the filter frame 4, and the material filled in the filter frame 4 makes the wastewater filtered once before contacting the membrane bioreactor 5, so as to prevent large particle impurities from being adsorbed on the surface of the membrane bioreactor 5.

Specifically, the membrane module 8 is a flat membrane made of polyvinylidene fluoride.

In the embodiment, the flat membrane is not easy to break filaments, has long service life and excellent pollution resistance.

Specifically, aerobic granular sludge is inoculated in the membrane module 8.

In the embodiment, the aerobic granular sludge has good sedimentation performance, and the wastewater treatment efficiency is improved.

The utility model discloses a theory of operation and use flow: when the membrane bioreactor is used, wastewater enters the membrane bioreactor 1 after being treated by the anoxic tank, the anaerobic tank and the aerobic tank, the motor 2 is started, the membrane bioreactor 5 is driven to rotate through the rotating shaft 3, the aeration fan 9 works, continuous aeration is discharged from the aeration port 13, the wastewater is filtered once by the filter frame 4 before contacting the membrane bioreactor 5, the influence of large-sized particle impurities on the membrane bioreactor 5 is reduced, the membrane bioreactor 5 can be fully contacted with the wastewater and air generated by aeration in the rotating process, and the wastewater treated by the membrane bioreactor 5 is pumped into a clean water tank on the upper part of the membrane bioreactor 5 by the self-priming pump 10.

In summary, the membrane bioreactor for wastewater treatment is provided with the motor 2, the rotating shaft 3, the filter frame 4 and the membrane bioreactor 5, the filter frame 4 can filter large-sized impurity particles in wastewater passing through the filter frame 4, the phenomenon that the large-sized particles are adsorbed on the membrane bioreactor 5 when the membrane bioreactor 5 works and the working efficiency of the membrane bioreactor is influenced is prevented, the motor 2 drives the membrane bioreactor 5 to rotate through the rotating shaft 3, aerobic granular sludge inoculated in the membrane component 8 can be fully contacted with the wastewater, the wastewater treatment efficiency is improved, the aeration fan 13 aerates through the air flow channel 14 and the air outlet 15, air flow is branched after entering the air flow channel 14 and then enters the membrane bioreactor 5 from the fine air outlet 15, the air flow speed is improved, the contact area of the air flow entering the membrane bioreactor 5 and the wastewater is increased, and therefore the membrane bioreactor 5 is fully contacted with oxygen, the wastewater treatment efficiency is improved.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. A membrane bioreactor for wastewater treatment comprises a membrane bioreactor pool (1) and a membrane bioreactor (5), and is characterized in that: the membrane bioreactor comprises a membrane bioreactor tank (1), wherein a motor (2) is fixedly connected to the top of the membrane bioreactor tank (1), a rotating shaft (3) is fixedly connected to a driving end of the motor (2), an overflow port is formed in one side of the membrane bioreactor tank (1), a filter frame (4) is arranged in the membrane bioreactor tank (1), supporting legs are fixedly connected to the bottom of the filter frame (4), the supporting legs are fixedly connected to the bottom of an inner cavity of the membrane bioreactor tank (1), a membrane bioreactor (5) is arranged in the filter frame (4), the rotating shaft (3) penetrates through the top of the filter frame (4) and the membrane bioreactor (5) and is connected with the top of the membrane bioreactor (5) through a rotating disc, the membrane bioreactor (5) comprises a fixing frame (6), two fixing frames (7) and two membrane assemblies (8), and a fixing plate (7) is fixedly connected to the middle part of each fixing frame (6), fixed membrane module (8) that is provided with between two mount (6), pivot (3) run through fixed plate (7) to connect fixed plate (7) through the carousel, one side fixedly connected with aeration fan (9) of membrane biological reaction pond (1), one side of aeration fan (9) is connected with tuber pipe (12), tuber pipe (12) run through membrane biological reaction pond (1) one side to be connected in membrane biological reaction pond (1) inner chamber opposite side, aeration mouth (13) have been seted up to the upper surface of tuber pipe (12).

2. The membrane bioreactor for wastewater treatment according to claim 1, characterized in that: one side of membrane biological reaction pond (1) is located top fixedly connected with self priming pump (10) of aeration fan (9), the both ends of self priming pump (10) are connected with water pipe (11), water pipe (11) that self priming pump (10) top is connected run through membrane biological reaction pond (1), fixed connection membrane bioreactor (5), bottom water pipe (11) intercommunication of self priming pump (10) is to the clean water basin.

3. The membrane bioreactor for wastewater treatment according to claim 1, characterized in that: the aeration opening (13) comprises an air flow channel (14) and an air outlet (15), the air flow channel (14) is in a three-fork shape, the bottom end of the air flow channel is communicated with the air pipe (12), and the top end of the air flow channel (14) is provided with the air outlet (15).

4. The membrane bioreactor for wastewater treatment according to claim 1, characterized in that: the filter frame (4) is in a shape of a square, and filter fibers are filled in the filter frame.

5. The membrane bioreactor for wastewater treatment according to claim 1, characterized in that: the membrane component (8) is a flat membrane made of polyvinylidene fluoride.

6. The membrane bioreactor for wastewater treatment according to claim 1, characterized in that: aerobic granular sludge is inoculated in the membrane component (8).