CN112759202A

CN112759202A - Sewage treatment device

Info

Publication number: CN112759202A
Application number: CN202110078630.0A
Authority: CN
Inventors: 杨永红; 王志雄; 彭义雄; 翟小燕; 苏蕾; 吴闪闪; 苏玉婷; 周刚; 张晓健
Original assignee: Dongguan Resource Environmental Protection Equipment Intelligent Manufacturing Co ltd; Guangzhou Resource Environmental Protection Technology Co ltd
Current assignee: Dongguan Resource Environmental Protection Equipment Intelligent Manufacturing Co ltd; Guangzhou Resource Environmental Protection Technology Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-05-07

Abstract

The invention relates to the technical field of sewage treatment, and discloses a sewage treatment device, which comprises a tank body and a plurality of grid barrels arranged in the tank body; wherein, the upper part of the tank body is provided with a water inlet and a water outlet; each grid barrel comprises a barrel body, an upper fixed grid and a lower fixed grid which are arranged in the barrel body at intervals up and down, a packing layer is arranged between the upper fixed grid and the lower fixed grid, and an aeration pipe is arranged below the lower fixed grid; the multiple cell barrels are sequentially communicated through the water guide pipe, the first end of the water guide pipe is located at the bottom of one cell barrel, and the second end of the water guide pipe is located at the top of the adjacent cell barrel. According to the sewage treatment device provided by the embodiment of the invention, the plurality of grid barrels are arranged in the tank body to sequentially treat sewage, so that microorganisms in the sewage can be trained to form a hierarchical food chain relation, and the sewage can be discharged up to the standard without personnel on-site maintenance and operation and unattended operation.

Description

Sewage treatment device

Technical Field

The invention relates to the technical field of sewage treatment, in particular to a sewage treatment device.

Background

With the rapid development of economy, the pollution degree of domestic sewage is gradually deepened, and the pollution degree becomes one of the main causes of water body pollution in China. The treatment process of the traditional sewage treatment plant cannot meet the requirement of environmental protection, such as: a. the²Although activated sludge processes represented by O, oxidation ditches, SBR, and the like have good and stable treatment effects, they have disadvantages of large floor space, odor, poor appearance, and the like to some extent, and require personnel to perform routine maintenance operations.

At present, agricultural sewage dispersion type sewage treatment processes mainly comprise A0+ MBR, MBBR + precipitation, biofilm process + precipitation and the like, and although the processes are optimized on the basis of the traditional treatment process, the problems of high energy consumption or the need of personnel on site operation and the like still exist, so that the comprehensive cost of sewage treatment is high.

Disclosure of Invention

In view of the above problems, the present invention provides a sewage treatment device to solve the problems of high energy consumption and personnel operation in a parking place of the existing sewage treatment device.

In order to achieve the purpose, the invention adopts the following technical scheme:

the sewage treatment device comprises a tank body and a plurality of grid barrels arranged in the tank body;

wherein, the upper part of the tank body is provided with a water inlet and a water outlet;

each grid barrel comprises a barrel body, an upper fixed grid and a lower fixed grid which are arranged in the barrel body at intervals up and down, a packing layer is arranged between the upper fixed grid and the lower fixed grid, and an aeration pipe is arranged below the lower fixed grid;

the multiple dividing barrels are sequentially communicated through water guide pipes, the first end of each water guide pipe is positioned at the bottom of one dividing barrel, and the second end of each water guide pipe is positioned at the top of the adjacent dividing barrel;

and water flow enters one of the dividing barrels from the water inlet, sewage is pumped out from the bottom of the dividing barrel through the water guide pipe and is discharged into the adjacent dividing barrel from the top until the sewage is discharged out of the tank body from the water outlet.

Preferably, the water tank further comprises a water outlet barrel which is arranged in the center of the tank body.

Preferably, the water guide pipe is a three-way water guide pipe and further comprises a third end for connecting with a suction pump.

Preferably, a plurality of grid barrels are uniformly arranged in the tank body, and the barrel walls of adjacent grid barrels are attached.

Preferably, the tank body is provided with a plurality of tank bodies, and the plurality of tank bodies are connected in series or in parallel.

Preferably, the tank body comprises a cylinder body and a cylinder cover, and rib plates are arranged on the cylinder body and the cylinder cover.

Preferably, the tank body is made of polyethylene material.

Preferably, the filler in the filler layer is spherical sponge filler.

Compared with the prior art, the sewage treatment device provided by the embodiment of the invention has the beneficial effects that:

according to the sewage treatment device provided by the embodiment of the invention, the plurality of grid barrels are arranged in the tank body to sequentially treat sewage, so that microorganisms in the sewage can be trained to form a hierarchical food chain relation, and the sewage can be discharged up to the standard without personnel on-site maintenance and operation and unattended operation.

In addition, the tank body is subjected to modular treatment, so that a large amount of sewage can be treated conveniently. The grid barrels can be manufactured in batches, so that the process route and specification and model of equipment manufacturing are reduced, the workload is reduced, and the energy consumption is reduced.

Drawings

FIG. 1 is a schematic view showing the construction of a sewage treatment apparatus according to a first embodiment of the present invention;

FIG. 2 is a schematic view showing the direction of sewage flow in the first embodiment of the present invention;

FIG. 3 is a schematic view of a cell barrel according to the present invention;

FIG. 4 is a schematic structural view of a can body according to the present invention;

FIG. 5 is a schematic view showing the construction of a sewage treatment apparatus according to a second embodiment of the present invention;

in the figure, 1, a tank body; 11. a water inlet; 12. a water outlet; 13. a barrel; 14. a cylinder cover; 15. a rib plate; 2. a mesh division barrel; 21. a barrel body; 22. an upper fixed grid; 23. a lower fixed grid; 24. a filler layer; 25. an aeration pipe; 3. a water conduit; 4. and (6) discharging the water bucket.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

First embodiment

As shown in fig. 1 and fig. 2, a sewage treatment apparatus according to an embodiment of the present invention includes a tank 1 and a plurality of divided barrels 2 arranged in the tank 1, in this embodiment, three divided barrels 2 are provided, and the three divided barrels 2 are uniformly arranged in the tank 1, and the barrel walls of adjacent divided barrels 2 are attached together without welding; in other embodiments, the number of the dividing barrels 2 may be other, and preferably, the number of the dividing barrels 2 is greater than or equal to 5; the upper part of the tank body 1 is provided with a water inlet 11 and a water outlet 12, and the water inlet 11 and the water outlet 12 are respectively connected to different grid barrels 2; the multiple cell barrels 2 are sequentially communicated through the water guide pipe 3, the first end of the water guide pipe 3 is positioned at the bottom of one cell barrel 2, the second end of the water guide pipe 3 is positioned at the top of the adjacent cell barrel 2, the arrow direction in fig. 2 is the water flow direction, and it should be noted that fig. 2 is only used for showing the water flow direction, but not for showing the shape structure of the tank body and the like; the water flow enters one of the divided barrels 2 from the water inlet 11, sewage is drawn out from the bottom of the divided barrel 2 through the water guide pipe 3 and is discharged into the adjacent divided barrel 2 from the top until the sewage is discharged out of the tank body 1 from the water outlet 12.

The sewage treatment device of the embodiment of the invention sequentially treats sewage by arranging the plurality of grid barrels 2 in the tank body 1, does not need sludge backflow and sedimentation, and can synchronously carry out nitration reaction and denitrification reaction; through hierarchical processing, can be with the microbial population training formation hierarchical food chain's of sewage relation for do not need personnel to stay the scene and maintain the operation, unmanned on duty, can discharge up to standard.

According to the invention, the water guide pipes 3 are sequentially communicated with the grid barrels 2, the water inlet 11 and the water outlet 12 of the tank body 1 are uniformly distributed on the upper part of the grid barrels, so that the water in the tank body 1 can be fed upwards and upwards, the water can be prevented from flowing backwards into the regulating tank due to the water siphon, and the floating problem of the equipment is effectively avoided.

As shown in fig. 3, each of the divided barrels 2 includes a barrel body 21, and an upper fixed grid 22 and a lower fixed grid 23 which are arranged in the barrel body 21 at intervals, a filler layer 24 is arranged between the upper fixed grid 22 and the lower fixed grid 23, and an aeration pipe 25 is arranged below the lower fixed grid 23. Preferably, the filler in the filler layer 24 is spherical sponge filler, and is fixed between the upper fixed grid 22 and the lower fixed grid 23 in the form of a fixed bed.

According to the invention, sewage is treated through each cellular barrel 2, microbial populations are trained and cultured in each cellular barrel 2, the falling biological membrane of the first level is taken as a nutrient for the growth of microorganisms of the second level, the falling biological membrane of the second level is taken as a nutrient for the growth of microorganisms of the third level, and the steps are sequentially carried out, so that effluent suspended matters (SS) can be below 20, and the removal rate reaches 70%; the Chemical Oxygen Demand (COD) of the effluent can reach below 50, and the removal rate reaches more than 80 percent; the ammonia nitrogen in the effluent can reach below 15 percent, and the removal rate reaches more than 70 percent.

The capacity of each dividing barrel 2 of the invention is the same, and the capacity can be determined according to the actual requirement, for example, about 5 tons can be selected. Each grid bucket 2 in the single jar of body 1 independently works, mutually supports, when single jar of body 1 can not satisfy the processing demand of a large amount of sewage, can adopt a plurality of jar of bodies 1, and a plurality of jar of bodies 1 are established ties or parallel connection, has improved this sewage treatment plant's modularization, and is convenient for maintain or change single jar of body 1 or single grid bucket 2.

Optionally, the center of the tank body 1 is further provided with a water outlet barrel 4 which is located in the middle of the multiple grid barrels 2, so that the structural strength is improved, and meanwhile, the water outlet barrel can be used for installing a water outlet lifting pump. The barrel wall of the division barrel 2 is attached to the barrel wall of the water outlet barrel 4, and the shape of the barrel wall of the division barrel 2 is matched with the shape of the outer wall of the water outlet barrel 4. As shown in fig. 1, the water outlet barrel 4 is cylindrical, and the corresponding dividing barrels are fan-shaped.

Preferably, the water guiding pipe 3 is a three-way water guiding pipe, and further comprises a third end for connecting with a suction pump. When sludge needs to be pumped, the first end of the water guide pipe 3 is inserted into the sludge at the bottom of the grid barrel 2, and the sludge at the bottom is pumped out through a suction pump connected with the third end.

As shown in fig. 4, the tank body 1 comprises a cylinder body 13 and a cylinder cover 14, the cylinder body 13 and the cylinder cover 14 can be connected through bolts, the cylinder body 13 can be cylindrical, and the cylinder cover 14 can be conical; the barrel 13 and the barrel cover 14 are both provided with rib plates 15, wherein the rib plates 15 are vertically arranged on the barrel 13 at intervals, and the barrel cover 14 comprises the rib plates 15 which are transversely arranged and the rib plates 15 which are vertically arranged. Optionally, the rib plates 15 can be obliquely arranged to adapt to the soil condition of the buried site of the tank body 1.

Preferably, the tank body 1 is made of polyethylene material. Further, the cylinder cover 14 is made of galvanized material to prevent ultraviolet rays from damaging the tank 1 and affecting the service life of the tank.

It should be noted that the tank 1 may also be made of other materials, such as carbon steel, stainless steel, polypropylene, etc., and the shape of the tank is not limited in particular, the cylindrical box structure shown in fig. 4 is only one form of the tank shape, and the tank may also be made of other shapes, such as square or rectangular, etc.

Second embodiment

The difference from the first embodiment is that the number of the division barrels 2 is different, as shown in fig. 5, six division barrels 2 are arranged in the tank body 1, and the barrel walls of each division barrel 2 are attached without welding. The sewage is graded by six dividing barrels 2.

To sum up, the embodiment of the invention provides a sewage treatment device, which is characterized in that a plurality of grid barrels 2 are arranged in a tank body 1 to sequentially treat sewage, so that microorganisms in the sewage can be trained to form a hierarchical food chain relationship, and the sewage can be discharged up to the standard without the need of personnel on-site maintenance and operation and unattended operation. In addition, the tank body 1 is subjected to modular treatment, so that a large amount of sewage can be treated conveniently. The grid barrels 2 can be manufactured in batch, so that the process route and specification model of equipment manufacturing are reduced, the workload is reduced, and the energy consumption is reduced.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims

1. The sewage treatment device is characterized by comprising a tank body and a plurality of grid barrels arranged in the tank body;

2. The wastewater treatment apparatus according to claim 1, further comprising a water outlet tank disposed at the center of the tank body.

3. The sewage treatment device of claim 1, wherein the water conduit is a three-way water conduit, further comprising a third end for connection to a suction pump.

4. The sewage treatment device of claim 1, wherein a plurality of cellular buckets are uniformly arranged in the tank body, and the bucket walls of adjacent cellular buckets are attached.

5. The sewage treatment apparatus of claim 1 wherein the tank has a plurality of tanks connected in series or in parallel.

6. The sewage treatment device according to claim 1, wherein the tank body comprises a cylinder body and a cylinder cover, and rib plates are arranged on both the cylinder body and the cylinder cover.

7. The wastewater treatment apparatus according to claim 1, wherein the tank is made of polyethylene.

8. The sewage treatment device according to claim 1, wherein the filler in the filler layer is spherical sponge filler.