CN219670298U

CN219670298U - Medical sewage integrated multistage MBBR synchronous pretreatment device

Info

Publication number: CN219670298U
Application number: CN202320454577.4U
Authority: CN
Inventors: 胡善树; 王虎
Original assignee: Shenlan Hechuang Ecological Environment Co ltd
Current assignee: Shenlan Hechuang Ecological Environment Co ltd
Priority date: 2023-03-11
Filing date: 2023-03-11
Publication date: 2023-09-12
Anticipated expiration: 2033-03-11

Abstract

The utility model relates to the technical field of sewage treatment, in particular to a medical sewage integrated multistage MBBR synchronous pretreatment device which comprises a main treatment box, wherein two partition plates are arranged in the main treatment box, the main treatment box is divided into a filtering bin, a decomposing bin and a clarifying bin by the two partition plates, a filter plate is arranged in the filtering bin, a sewage drain for discharging sewage on the filter plate is arranged on the side wall of the filtering bin, a microorganism leaking tank is connected to the upper end of the decomposing bin in a threaded screwing manner, a sewage drain assembly for discharging sludge is arranged at the bottom of the clarifying bin, and the sewage drain assembly comprises a sewage drain pipe communicated with the bottom of the clarifying bin, a rotating shaft arranged in the sewage drain pipe and a spiral conveying blade connected with the circumferential outer wall of the rotating shaft. According to the utility model, after the solid impurities in the sewage are filtered for the first time through the filter plate, the two links of decomposition and disinfection are integrated, and the flocculated and precipitated sewage is discharged through the sewage discharge assembly, so that the precipitation pretreatment efficiency is improved.

Description

Medical sewage integrated multistage MBBR synchronous pretreatment device

Technical Field

The utility model relates to a sewage treatment device, in particular to an integrated multi-stage MBBR synchronous pretreatment device for medical sewage, and belongs to the technical field of sewage treatment.

Background

The pollution property of medical sewage is similar to that of domestic sewage, the main pollutants are three types, the first type is suspended substances SS, the second type is organic pollutants CODcr and BOD5, the third type is inorganic nutrient salts N and P, if the sewage is directly discharged without purification treatment, the environment is greatly polluted, the common treatment processes in the sewage treatment are MBBR (moving bed biological reactor) process, MBR process, biological contact oxidation process and the like, the principle of the MBBR process is the basic principle of a biological membrane method, the advantages of an activated sludge method are fully utilized, the defects of the traditional activated sludge method and a fixed biological membrane method are overcome, and the MBBR process has the advantages of a traditional fluidized bed and the biological contact oxidation method, so that the application in sewage treatment is wider.

But the pretreatment sedimentation tank for MBBR sewage treatment that uses at present only realizes the sediment of sludge water through the mode of standing when carrying out the sediment treatment in advance to sewage, and the time is longer, and contains some filth that the gauze texture is lighter in the medical sewage, can't deposit along with mud together, lacks two links of sewage corruption and disinfection, can not combine other functions integration, and the efficiency of pretreatment is not good.

There is a need for an improvement in a medical wastewater integrated multistage MBBR synchronous pretreatment apparatus to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide an integrated multi-stage MBBR synchronous pretreatment device for medical sewage, which is characterized in that solid impurities in the sewage are filtered for the first time through a filter plate, and then are integrated through two links of decomposition and disinfection, and the flocculated and precipitated sewage is discharged through a sewage discharge assembly, so that the precipitation pretreatment efficiency is improved.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

the utility model provides a synchronous preprocessing device of multistage MBBR of medical wastewater integral type, includes the main case of handling, the inside of main case of handling is equipped with two baffles, two the baffle will the main case of handling is separated into filtration storehouse, corruption storehouse and clarification storehouse, the inside of filtration storehouse is equipped with the filter, set up on the lateral wall of filtration storehouse be used for with filth exhaust drain on the filter, the upper end screw thread in corruption storehouse closes and is connected with microorganism drain tank, the bottom in clarification storehouse is equipped with and is used for carrying out the blowdown subassembly of exhaust mud, the blowdown subassembly include with the blow off pipe that clarification storehouse bottom intercommunication set up, locate the inside pivot of blow off pipe and with screw conveyer blade that is connected to pivot circumference outer wall, the blow off pipe is kept away from be equipped with the motor on the one end outer wall of clarification storehouse, the output of motor with the one end of pivot is connected, just the blow off pipe is close to the one end of motor has seted up out the dirty mouth.

Preferably, as shown in the figure: an electric telescopic rod is arranged on the inner top wall of the filter bin, and the movable end of the electric telescopic rod is fixedly connected with the upper end of the filter plate.

Preferably, an electric push rod is arranged on the inner wall of one side of the filter bin, the movable end of the electric push rod is connected with a push plate, and the push plate is opposite to the sewage draining outlet. Preferably, guide plates are arranged on the inner walls of the two sides of the clarification bin, and the two guide plates are arranged in a relatively inclined manner.

Preferably, limiting plates are arranged on the inner walls of the two sides of the filter bin.

Preferably, guide plates are arranged on the inner walls of the two sides of the clarification bin, and the two guide plates are arranged in a relatively inclined manner.

Preferably, one side of the main treatment box is communicated with a sewage inlet pipe, the sewage inlet pipe extends to the inside of the filter bin, a first sewage suction pump is arranged on the inner top wall of the septic bin, the input end of the first sewage suction pump is communicated with the filter bin, a second sewage suction pump is arranged on the inner top wall of the clarifying bin, and the input end of the second sewage suction pump is communicated with the septic bin.

Preferably, a feeding pipe is communicated with the upper part of the clarifying bin.

The utility model has at least the following beneficial effects:

1. after the filter plate in the filter bin is used for carrying out first filtration on solid impurities in sewage, the sewage enters the septic bin, the sewage enters the clarifying tank after being decomposed by microorganisms, and after solid-liquid separation is realized between the sewage and the sludge in the sewage through flocculation precipitation, the precipitated sludge is discharged under the action of the spiral conveying blades, and long-time static precipitation is not needed, so that the efficiency is improved.

2. The electric telescopic rod drives the filter plate to move to the position opposite to the sewage outlet, and then the electric push rod drives the push plate to push out the solid impurities filtered and intercepted on the filter plate from the sewage outlet, so that the impurities are conveniently cleaned.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of an isometric structure provided by the present utility model;

FIG. 2 is a right side view provided by the present utility model;

FIG. 3 is a schematic view of the cross-sectional structure at A-A in FIG. 2 according to the present utility model;

FIG. 4 is a front view of the present utility model;

FIG. 5 is a schematic view of the cross-sectional structure of the portion B-B in FIG. 4 according to the present utility model;

FIG. 6 is a schematic view of the cross-sectional structure of FIG. 4 at C-C according to the present utility model;

FIG. 7 is a schematic view of a sewage disposal assembly according to the present utility model.

In the figure, 1, a main treatment box; 2. a partition plate; 3. a filtering bin; 4. a decomposing bin; 5. a clarifying bin; 6. a filter plate; 7. a sewage outlet; 8. microorganism leaking tank; 9. a blowdown assembly; 10. a blow-down pipe; 11. a rotating shaft; 12. spiral conveying blades; 13. a motor; 14. a sewage outlet; 15. an electric telescopic rod; 16. an electric push rod; 17. a push plate; 18. a limiting plate; 19. a deflector; 20. a sewage inlet pipe; 21. a first suction pump; 22. a second sewage pump; 23. and feeding the pipe.

Detailed Description

The following detailed description of embodiments of the present utility model will be given with reference to the accompanying drawings and examples, by which the implementation process of how the present utility model can be applied to solve the technical problems and achieve the technical effects can be fully understood and implemented.

As shown in fig. 1-7, the integrated multi-stage MBBR synchronous pretreatment device for medical sewage provided by the embodiment comprises a main treatment box 1, wherein two partition boards 2 are arranged in the main treatment box 1, the main treatment box 1 is divided into a filtration bin 3, a septic bin 4 and a clarifying bin 5 by the two partition boards 2, a filtration plate 6 is arranged in the filtration bin 3, an electric telescopic rod 15 is arranged on the inner top wall of the filtration bin 3, the movable end of the electric telescopic rod 15 is fixedly connected with the upper end of the filtration plate 6, an electric push rod 16 is arranged on the inner wall of one side of the filtration bin 3, a push plate 17 is connected with the movable end of the electric push rod 16, the push plate 17 is opposite to the sewage drain 7, the sewage drain 7 for draining sewage on the filtration plate 6 is arranged on the side wall of the filtration bin 3, the filtration plate 6 is driven to move to be opposite to the sewage drain 7 by the electric telescopic rod 15, and then the sewage on the filtration plate 6 is pushed out of the sewage drain 7 under the action of the electric push rod 16, so that fixed impurities intercepted by the filtration plate 6 are convenient to clean;

further, as shown in fig. 5, limiting plates 18 are arranged on the inner walls of the two sides of the filter bin 3, when the electric telescopic rod 15 drives the top end of the filter plate 6 to abut against the lower surface of the limiting plates 18, the filter plate 6 is just aligned with the sewage outlet 7 at the moment, so that the sewage is conveniently discharged;

still further, as shown in fig. 7, a sewage discharging assembly 9 for discharging sludge is arranged at the bottom of the clarifying bin 5, the sewage discharging assembly 9 comprises a sewage discharging pipe 10 communicated with the bottom of the clarifying bin 5, a rotating shaft 11 arranged in the sewage discharging pipe 10 and a spiral conveying blade 12 connected with the circumferential outer wall of the rotating shaft 11, a motor 13 is arranged on the outer wall of one end of the sewage discharging pipe 10 far away from the clarifying bin 5, the output end of the motor 13 is connected with one end of the rotating shaft 11, a sewage outlet 14 is formed at one end of the sewage discharging pipe 10 close to the motor 13, the spiral conveying blade 12 is rotated under the action of the rotating shaft 11 driven by the motor 13, and the sludge deposited in the sewage discharging pipe 10 is discharged from the sewage outlet 14;

further, as shown in fig. 6, the inner walls of both sides of the clarifying bin 5 are provided with guide plates 19, and the two guide plates 19 are arranged in a relatively inclined manner.

As shown in fig. 3, the upper end of the decomposing tank 4 is screwed with a microorganism leaking tank 8, microorganisms leaked from the microorganism leaking tank 8 are used for accelerating the decomposition of sewage, and the microorganism leaking tank 8 is screwed with the decomposing tank 4, so that the microorganism leaking tank 8 is convenient to detach and replace;

as shown in fig. 3, a sewage inlet pipe 20 is communicated with one side of the main treatment box 1, the sewage inlet pipe 20 extends into the filter bin 3, a first sewage suction pump 21 is arranged on the inner top wall of the septic bin 4, the input end of the first sewage suction pump 21 is communicated with the filter bin 3, a second sewage suction pump 22 is arranged on the inner top wall of the clarifying bin 5, the input end of the second sewage suction pump 22 is communicated with the septic bin 4, sewage in the filter bin 3 is conveyed into the septic bin 4 for septic treatment through the first sewage suction pump 21, and sewage in the septic bin 4 is conveyed to the clarifying bin 5 through the second sewage suction pump 22 for flocculation precipitation;

further, as shown in fig. 1, a feeding pipe 23 is communicated with the upper part of the clarifying bin 5, and flocculant, disinfectant and the like are conveniently added into the clarifying bin 5 through the feeding pipe 23.

As shown in fig. 1 to 7, the principle of the integrated multi-stage MBBR synchronous pretreatment device for medical sewage provided in this embodiment is as follows: the sewage is discharged into the filtering bin 3 through the sewage inlet pipe 20, after the solid sewage in the sewage is subjected to preliminary filtration by the filtering plate 6, the sewage in the filtering bin 3 is pumped into the septic bin 4 through the first sewage suction pump 21, the septic of the sewage is accelerated by microorganisms leaked from the leak holes of the microorganism leaking tank 8, the septic sewage is conveyed into the clarifying bin 5 through the second sewage suction pump 22, the flocculating agent, the disinfectant and the like are thrown into the clarifying bin 5 through the feeding pipe 23, the impurities in the sewage are adsorbed and flocculated and then subjected to solid-liquid separation, the precipitated sewage falls into the sewage draining pipe 10 under the guiding action of the guide plate 19, and the motor 13 drives the rotating shaft 11 and the spiral conveying blade 12 to rotate, so that the sewage in the sewage draining pipe 10 is discharged from the sewage outlet 14.

Certain terms are used throughout the description and claims to refer to particular components. Those of skill in the art will appreciate that a hardware manufacturer may refer to the same component by different names. The description and claims do not take the form of an element differentiated by name, but rather by functionality. As used throughout the specification and claims, the word "comprise" is an open-ended term, and thus should be interpreted to mean "include, but not limited to. By "substantially" is meant that within an acceptable error range, a person skilled in the art can solve the technical problem within a certain error range, substantially achieving the technical effect.

It should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a product or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such product or system. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude that an additional identical element is present in a commodity or system comprising the element.

While the foregoing description illustrates and describes the preferred embodiments of the present utility model, it is to be understood that the utility model is not limited to the forms disclosed herein, but is not to be construed as limited to other embodiments, and is capable of numerous other combinations, modifications and environments and is capable of changes or modifications within the scope of the inventive concept as described herein, either as a result of the foregoing teachings or as a result of the knowledge or technology in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. The utility model provides a synchronous preprocessing device of multistage MBBR of medical wastewater integral type, includes main processing case (1), the inside of main processing case (1) is equipped with two baffles (2), two baffle (2) will main processing case (1) are separated into filtration storehouse (3), corruption storehouse (4) and clarification storehouse (5), its characterized in that, the inside of filtration storehouse (3) is equipped with filter (6), offer on the lateral wall of filtration storehouse (3) be used for with on filter (6) filth exhaust drain (7), the upper end screw thread of corruption storehouse (4) closes and is connected with microorganism hourglass jar (8), the bottom of clarification storehouse (5) is equipped with and is used for carrying out exhaust drain subassembly (9) with mud;

the sewage disposal assembly (9) comprises a sewage disposal pipe (10) communicated with the bottom of the clarifying bin (5), a rotating shaft (11) arranged inside the sewage disposal pipe (10) and a spiral conveying blade (12) connected with the circumferential outer wall of the rotating shaft (11), wherein the sewage disposal pipe (10) is far away from a motor (13) arranged on the outer wall of one end of the clarifying bin (5), the output end of the motor (13) is connected with one end of the rotating shaft (11), and the sewage disposal pipe (10) is close to one end of the motor (13) to form a sewage outlet (14).

2. The medical wastewater integrated multistage MBBR synchronous pretreatment apparatus according to claim 1, wherein: an electric telescopic rod (15) is arranged on the inner top wall of the filter bin (3), and the movable end of the electric telescopic rod (15) is fixedly connected with the upper end of the filter plate (6).

3. The medical wastewater integrated multistage MBBR synchronous pretreatment apparatus according to claim 1, wherein: an electric push rod (16) is arranged on the inner wall of one side of the filter bin (3), the movable end of the electric push rod (16) is connected with a push plate (17), and the push plate (17) is opposite to the sewage outlet (7).

4. The medical wastewater integrated multistage MBBR synchronous pretreatment apparatus according to claim 1, wherein: limiting plates (18) are arranged on the inner walls of the two sides of the filter bin (3).

5. The medical wastewater integrated multistage MBBR synchronous pretreatment apparatus according to claim 1, wherein: the two side inner walls of the clarifying bin (5) are provided with guide plates (19), and the two guide plates (19) are arranged in a relatively inclined manner.

6. The medical wastewater integrated multistage MBBR synchronous pretreatment apparatus according to claim 1, wherein: one side intercommunication of main processing case (1) is equipped with into dirty pipe (20), advance dirty pipe (20) and extend to the inside of filtration storehouse (3), be equipped with first soil pick-up pump (21) on the interior roof of corruption storehouse (4), the input of first soil pick-up pump (21) is linked together with filtration storehouse (3), be equipped with second soil pick-up pump (22) on the interior roof of clarification storehouse (5), the input of second soil pick-up pump (22) is linked together with corruption storehouse (4).

7. The medical wastewater integrated multistage MBBR synchronous pretreatment apparatus according to claim 1, wherein: a feeding pipe (23) is communicated with the upper part of the clarifying bin (5).