CN211471136U - MBR sewage treatment plant - Google Patents

Abstract

The utility model discloses an MBR sewage treatment device, which relates to the technical field of sewage treatment. It includes a stirring box, a filtering funnel and a biological reaction box. The bottom of the stirring box is fixedly provided with a filtering funnel, the bottom of the filtering funnel is fixedly installed with a water pump, and the output end of the water pump is fixedly provided with a biological reaction box through a connecting pipe. In the MBR sewage treatment device, by setting a stirring box, the sewage enters the stirring box, and the stirring blade is driven by the motor to stir, which is convenient for stirring the sewage, so that the stirred sewage enters the filter funnel after being filtered by the filter screen. The sludge is discharged through the sludge discharge pipe, and the stirring blade is installed and connected by fixing bolts, which makes the stirring blade easy to disassemble and replace. At the same time, there are through holes on the stirring blade to facilitate the transmission of sewage during the stirring process. Take out the inside of the through groove, you can take out the filter cartridge from the grid frame, and clean it regularly to achieve the purpose of easy cleaning of the MBR flat membrane.

Description

A MBR sewage treatment device

technical field

The utility model relates to the technical field of sewage treatment, in particular to an MBR sewage treatment device.

Background technique

MBR sewage treatment is a common method of modern sewage treatment. It adopts membrane bioreactor technology, which is a new technology combining biological treatment technology and membrane separation technology. It replaces the secondary sedimentation tank in the traditional process. It can efficiently Carry out solid-liquid separation to obtain stable reclaimed water for direct use. It can also maintain a high concentration of microorganisms in the biological pool, with less residual sludge in the process, extremely effective removal of ammonia nitrogen, effluent suspended solids and turbidity close to zero, bacteria and viruses in effluent water are largely removed, low energy consumption, land occupation Small area. In the 1970s, in the United States, Japan, South Africa and many European countries, the research work on the use of membrane bioreactors for sewage and wastewater treatment has begun. Drainage, etc.) and cooling water, with the continuous acceleration of urbanization, urban sewage is also increasing.

During the use of the existing MBR sewage treatment equipment, the pre-filtering effect of sewage is general, resulting in the organic matter and sludge in the sewage causing membrane pollution to the MBR membrane, which affects the MBR membrane to purify the sewage and affect the sewage treatment effect. At the same time, the MBR membrane in the equipment needs to be cleaned after the membrane is fouled, and the staff needs to manually remove the membrane element plate from the biological pool and then clean it, which improves the work intensity of the staff and reduces the cleaning efficiency. An MBR sewage treatment device is proposed to solve the above problems.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides an MBR sewage treatment device, which has the advantages of improving the efficiency of MBR sewage treatment and facilitating the cleaning of the sludge on the MBR membrane, etc., and solves the problem of the traditional MBR sewage treatment device. General effect question.

(2) Technical solutions

In order to achieve the above-mentioned purposes of improving the treatment efficiency of MBR sewage and facilitating the cleaning of the sludge on the MBR membrane, the utility model provides the following technical scheme: an MBR sewage treatment device, including a stirring box, a filter funnel and a biological reaction box, so A filter funnel is fixedly arranged at the bottom of the stirring box, a water pump is fixedly installed at the bottom of the filter funnel, and a biological reaction box is fixedly arranged at the output end of the water pump through a connecting pipe;

One side of the mixing box is sequentially provided with a water inlet pipe and a mud discharge pipe from top to bottom, a motor 1 is fixedly installed on the top of the mixing box, and the output shaft of the motor 1 is fixedly arranged to penetrate and extend to the inside of the mixing box. The rotating shaft of the rotating shaft is provided with a stirring blade on the surface, and one side of the stirring blade is fixed with a connecting seat by fixing bolts. A filter screen 1 is arranged directly below the stirring blade, and one end of the bottom of the filter screen 1 is provided with a mud discharge pipe extending outside the mixing box, and a valve 1 is fixedly installed on the mud discharge pipe;

The interior of the filter funnel is sequentially provided with a second filter screen and an activated carbon filter layer from top to bottom, and the first filter screen is arranged obliquely, and the mesh diameter of the first filter screen is larger than the mesh diameter of the second filter screen;

The two sides of the top of the biological reaction box are fixedly installed with the second motor, and the output shaft of the second motor is fixedly provided with a winding wheel, and the winding wheel is driven by a winding belt and is connected with a grid located inside the biological reaction box. A filter mesh cylinder is movably arranged in the grid frame, an MBR flat film is arranged inside the filter mesh cylinder, a water outlet pipe is arranged on one side of the biological reaction box, and a water outlet pipe is arranged directly below the grid frame There is an aeration pipe, and one end of the aeration pipe is fixedly provided with an aeration blower located outside the biological reaction box.

To further optimize the technical solution, the top and bottom of the grid frame are provided with through grooves, the interior of the through grooves is provided with a filter mesh cylinder, and the top of the filter mesh cylinder is fixedly provided with a handle.

To further optimize the technical solution, the connecting pipe is fixedly installed with a second valve located between the stirring tank and the biological reaction tank.

To further optimize the technical solution, the top of the aeration pipe is provided with a ventilation pipe located inside the biological reaction box, and the ventilation pipe is communicated with the aeration pipe.

(3) Beneficial effects

Compared with the prior art, the utility model provides an MBR sewage treatment device, which has the following beneficial effects:

1. In this MBR sewage treatment device, by setting a stirring box, the sewage enters the stirring box, and the stirring blade is driven by the motor to stir, which is convenient for stirring the sewage, so that the stirred sewage is filtered through the filter screen and then enters the filter funnel. The sludge is discharged through the sludge discharge pipe, and the stirring blade is installed and connected by fixing bolts, so that the stirring blade is easy to disassemble and replace.

2. The MBR sewage treatment device, by setting a filter funnel, the sewage that has been filtered for the first time enters the filter funnel, and is filtered through the second filter screen and the activated carbon filter layer successively to achieve the purpose of multi-stage filtration and purification, and avoid impurities such as sludge. Entering the biological reaction box, it affects the purification of sewage by the MBR flat membrane.

3. The MBR sewage treatment device is equipped with a biological reaction box, and the sewage after multi-stage filtration is pumped into the biological reaction box through a water pump, and the MBR flat membrane is used for MBR sewage treatment. The tank is aerated to further improve the effect of MBR sewage treatment.

4. In this MBR sewage treatment device, by setting the filter cylinder and the second motor, when the MBR flat film needs to be cleaned regularly, the second motor is used to rotate the winding wheel to rotate, so that the winding belt is wound on the winding wheel, so that the The tape drives the grille frame to move upward. After the grille frame is extracted, the extraction handle takes the filter mesh cylinder out of the through groove, and then the filter mesh cylinder can be taken out from the grille frame and cleaned regularly to facilitate cleaning. Purpose of MBR flat film.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the structural representation of the stirring blade of the utility model;

FIG. 3 is a schematic structural diagram of the filter mesh cylinder of the present invention.

In the figure: 1. Mixing box; 11. Water inlet pipe; 12. Mud discharge pipe; 13. Valve 1; 14. Motor 1; 15. Rotary shaft; 16. Stirring blade; Through hole; 17. Filter 1; 2. Filter funnel; 21. Filter 2; 22. Activated carbon filter layer; 23. Water pump; 24. Connecting pipe; 25. Valve 2; 3. Biological reaction box; 31. Motor 2 ;32, rewinding wheel; 33, rewinding belt; 34, grid frame; 341, through slot; 35, filter mesh cylinder; 351, MBR flat film; 352, handle; 36, aeration pipe; 37, aeration Air blower; 38. Water outlet pipe.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model discloses an MBR sewage treatment device, which includes a stirring box 1, a filtering funnel 2 and a biological reaction box 3. The bottom of the stirring box 1 is fixedly provided with a filtering funnel 2, and the filtering A water pump 23 is fixedly installed at the bottom of the funnel 2, and the output end of the water pump 23 is fixedly provided with a biological reaction tank 3 through a connecting pipe 24;

One side of the mixing box 1 is sequentially provided with a water inlet pipe 11 and a mud discharge pipe 12 from top to bottom, a motor one 14 is fixedly installed on the top of the mixing box 1, and the output shaft of the motor one 14 is fixedly provided with a through-hole. and extends to the rotating shaft 15 inside the stirring box 1, the surface of the rotating shaft 15 is provided with a stirring blade 16, and one side of the stirring blade 16 is fixedly provided with a connecting seat 162 by a fixing bolt 161, and the connecting seat 162 is fixedly sleeved On the surface of the rotating shaft 15, the stirring blade 16 is provided with a through hole 163, and the stirring blade 16 is installed and connected by the fixing bolt 161, so that the stirring blade 16 is easy to disassemble and replace. In the process of sewage transmission, a filter screen 17 is provided directly below the stirring blade 16, and one end of the bottom of the filter screen 17 is provided with a mud discharge pipe 12 extending outside the mixing box 1. A valve one 13 is fixedly installed;

The interior of the filter funnel 2 is sequentially provided with a filter screen 21 and an activated carbon filter layer 22 from top to bottom. The diameter of the hole, the sewage passes through the first filter 17 and the second filter 21 for layered filtration to achieve the purpose of double-layer filtration, thereby improving the filtration effect;

Both sides of the top of the biological reaction box 3 are fixedly installed with a second motor 31, and the output shaft of the second motor 31 is fixedly provided with a winding wheel 32, and the winding wheel 32 is driven by a winding belt 33. A grid frame 34 inside the reaction box 3, a filter mesh cylinder 35 is movably arranged in the grid frame 34, an MBR flat film 351 is arranged inside the filter mesh cylinder 35, and one side of the biological reaction box 3 is arranged There is a water outlet pipe 38 , an aeration pipe 36 is arranged directly below the grid frame 34 , and one end of the aeration pipe 36 is fixedly provided with an aeration blower 37 located outside the biological reaction box 3 .

Specifically, the top and bottom of the grille frame 34 are provided with through grooves 341, the interior of the through groove 341 is provided with a filter mesh cylinder 35, and the top of the filter mesh cylinder 35 is fixedly provided with a handle 352. When the surface of the filter mesh cylinder 35 is contaminated with a lot of impurities, the extraction handle 352 takes out the filter mesh cylinder 35 from the inside of the through groove 341, and then the filter mesh cylinder 35 can be taken out from the grid frame 34 and cleaned regularly to facilitate cleaning. Purpose of MBR flat film 351.

Specifically, a second valve 25 located between the stirring tank 1 and the biological reaction tank 3 is fixedly installed on the connecting pipe 24 .

Specifically, the top of the aeration pipe 36 is provided with a ventilation pipe located inside the biological reaction box 3 , and the ventilation pipe and the aeration pipe 36 communicate with each other.

When in use, the sewage enters the mixing box 1 through the water inlet pipe 11, and the stirring blade 16 is driven by the motor one 14 to stir, which is convenient for stirring the sewage, so that the stirred sewage is filtered through the filter screen one 17 and then enters the filter funnel 2. In the middle, the sludge is discharged through the sludge discharge pipe 12, and the stirring blade 16 is installed and connected by the fixing bolt 161, so that the stirring blade 16 is easy to disassemble and replace. The sewage that has been filtered for the first time enters the filter funnel 2, and is filtered through the second filter screen 21 and the activated carbon filter layer 22 successively, so as to achieve the purpose of multi-stage filtration and purification, and prevent impurities such as sludge from entering the biological reaction box 3 and affect the MBR. The flat membrane 351 purifies the sewage, the sewage after multi-stage filtration is pumped into the biological reaction box 3 through the water pump 23, and the MBR sewage treatment is carried out by using the MBR flat membrane. Aeration to further improve the effect of MBR sewage treatment. When the MBR flat film 351 needs to be cleaned regularly, the second motor 31 is used to rotate the winding wheel 32 to rotate, so that the winding belt 33 is wound on the winding wheel 32, so that the winding belt 33 drives the grille frame 34 to move upward. After the grille frame 34 is pulled up, the extraction handle 352 takes out the filter mesh cylinder 35 from the inside of the through groove 341, and the filter mesh cylinder 35 can be taken out from the grille frame 34. Cleaning is performed to facilitate cleaning of the MBR flat film 351 .

To sum up, the MBR sewage treatment device has the advantages of improving the efficiency of MBR sewage treatment and facilitating the cleaning of the sludge on the MBR membrane, and solves the problem that the traditional MBR sewage treatment device has a general use effect.

It should be noted that, herein, terms such as "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion, such that a process, method, article or device comprising a series of elements includes not only those elements , but also other elements not expressly listed or inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

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

Claims (4)

1. The utility model provides a MBR sewage treatment plant, includes agitator tank (1), filter funnel (2) and biological reaction case (3), its characterized in that: a filtering funnel (2) is fixedly arranged at the bottom of the stirring box (1), a water pump (23) is fixedly arranged at the bottom of the filtering funnel (2), and the output end of the water pump (23) is fixedly provided with a biological reaction box (3) through a connecting pipe (24);

a water inlet pipe (11) and a sludge discharge pipe (12) are sequentially arranged on one side of the stirring box (1) from top to bottom, a first motor (14) is fixedly installed at the top of the stirring box (1), a rotating shaft (15) which penetrates through and extends into the stirring box (1) is fixedly arranged on an output shaft of the first motor (14), the surface of the rotating shaft (15) is provided with a stirring blade (16), one side of the stirring blade (16) is fixedly provided with a connecting seat (162) through a fixing bolt (161), the connecting seat (162) is fixedly sleeved on the surface of the rotating shaft (15), a through hole (163) is arranged on the stirring blade (16), a first filter screen (17) is arranged right below the stirring blade (16), a sludge discharge pipe (12) extending to the outer side of the stirring box (1) is arranged at one end of the bottom of the first filter screen (17), and a first valve (13) is fixedly arranged on the sludge discharge pipe (12);

a second filter screen (21) and an active carbon filter layer (22) are sequentially arranged in the filter funnel (2) from top to bottom, the first filter screen (17) is obliquely arranged, and the diameter of meshes of the first filter screen (17) is larger than that of the second filter screen (21);

the equal fixed mounting in both sides at biological reaction case (3) top has motor two (31), the fixed winding wheel (32) that is provided with of output shaft of motor two (31), winding wheel (32) are connected with grid frame (34) that are located biological reaction case (3) inside through winding area (33) transmission, grid frame (34) internalization is provided with filter screen cylinder (35), the inside of filter screen cylinder (35) is provided with MBR dull and stereotyped membrane (351), one side of biological reaction case (3) is provided with outlet pipe (38), be provided with aeration pipe (36) under grid frame (34), the fixed aeration blower (37) that are located the biological reaction case (3) outside that is provided with of one end of aeration pipe (36).

2. The MBR sewage treatment unit of claim 1, wherein: through grooves (341) are formed in the top and the bottom of the grating frame (34), a filter screen cylinder (35) is arranged in each through groove (341), and a handle (352) is fixedly arranged at the top of each filter screen cylinder (35).

3. The MBR sewage treatment unit of claim 1, wherein: and a second valve (25) positioned between the stirring box (1) and the biological reaction box (3) is fixedly arranged on the connecting pipe (24).

4. The MBR sewage treatment unit of claim 1, wherein: the top of the aeration pipe (36) is provided with a vent pipe positioned in the biological reaction box (3), and the vent pipe is communicated with the aeration pipe (36).

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