CN218345268U

CN218345268U - Sewage treatment equipment

Info

Publication number: CN218345268U
Application number: CN202222227981.6U
Authority: CN
Inventors: 唐建波; 杜剑浩; 沈文辉; 王康; 黄阳; 肖俊洁
Original assignee: Hubei Woter Ecological Environment Co ltd
Current assignee: Hubei Woter Ecological Environment Co ltd
Priority date: 2022-08-22
Filing date: 2022-08-22
Publication date: 2023-01-20
Anticipated expiration: 2032-08-22

Abstract

The utility model discloses a sewage treatment device, which relates to the technical field of sewage treatment and specifically comprises a reaction tank, a water inlet and a water outlet which are arranged at two sides of the reaction tank; and the aeration system comprises a plurality of aeration pipes tiled at the bottom of the reaction tank, a water distribution pipe is fixedly arranged at the position, close to the center, of the bottom of the reaction tank through a support, and vertically arranged water inlet connectors are arranged on the water distribution pipe at equal intervals. The utility model discloses a MBBR biological purification sewage treatment device compares traditional MBBR sewage treatment device, and the microorganism intensive mixing required time is shorter in sewage and the pond, and in the same ageing efficiency, more comprehensive of microorganism and bacterium and the contact of organic matter in the sewage, reaction time is more of a specified duration moreover, and the decomposition efficiency of organic matter in the sewage can be showing and is improving.

Description

Sewage treatment equipment

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sewage treatment device.

Background

The MBBR technology is a biological contact oxidation method that a carrier layer for growing a biological membrane continuously flows in water, is used for removing COD and BOD and carrying out nitrification and denitrification reactions in municipal and industrial wastewater, is also called as a microbial purification technology and is mainly used for the pretreatment of industrial sewage, the MBBR technology pretreatment of the sewage is an oxygen consumption process, and in the continuous reaction process, aeration is continuously carried out in a reaction tank to supplement the oxygen content in the sewage in the tank so that the microorganisms in the tank can be in a stable living environment.

The working principle of the MBBR sewage treatment process is explained in the following videos: https:// www.ixigua.com/6858974389250032135.

At present, an MBBR biological purification tank in sewage treatment equipment mainly comprises a reaction tank, a water inlet pipe, a water outlet pipe, an overflow port, an aeration system and microorganism carriers which are densely distributed in the tank part.

And most of MBBR biological purification ponds's water inlet all is settled on one side of the top of the pool basically, to inside water injection, rivers are pour into from the top of the pool, and the continuous aeration operation of bottom of the pool, constantly bubble to the pond surface, can lead to the new water that the top of the pool was poured into can't fully mix with numerous microbial media in the pond in the short time, influence the decomposition of organic matter in the sewage and treatment effeciency in equal reaction time.

SUMMERY OF THE UTILITY MODEL

To the problem that above-mentioned background art provided, the utility model provides a can make the sewage of newly-injecting quick and the sewage treatment device of the interior class microbial media intensive mixing of reaction tank.

The aim of fully mixing newly injected sewage with a microbial carrier medium in a reaction tank in a short time, shortening the time consumed by mixing, improving the biological decomposition efficiency of organic matters in the sewage in the same time period, and the like is fulfilled.

The utility model discloses a sewage treatment device, which comprises a reaction tank, a water inlet and a water outlet, wherein the water inlet and the water outlet are arranged on two sides of the reaction tank; the aeration system comprises a plurality of aeration pipes tiled at the bottom of the reaction tank, a water distribution pipe is fixed at the position, close to the center, of the bottom of the reaction tank through a support, water inlet connectors vertically arranged are arranged on the water distribution pipe at equal intervals, and the water distribution pipe is communicated with a water inlet through a water delivery pipe; the water inlet joint comprises a joint seat fixedly communicated with the water distribution pipe; the top of the joint seat is rotatably provided with a water outlet pipe head through a sealing bearing; two ends and the middle part of the pipe body of the water outlet pipe head are provided with a first reinforcing hoop; the inner sides of the first reinforcing hoop positioned at the bottom end and the middle part are both fixed with second fan blades.

Furthermore, in order to realize the final aeration and oxygenation operation in the pool, each aeration pipe is communicated with the adapter through an air distribution pipe, the adapter is communicated with an air supply connector of an external air compressor (not shown in the figure) through an air supply pipe, high-pressure air output by the air compressor is input into each aeration pipe through the air distribution pipe after passing through the air supply pipe and the adapter, and finally, air outlet holes in the aeration pipes are discharged into sewage in the reaction pool to realize aeration and oxygenation.

Further, in order to make the aeration more even the bottom of reaction tank tiling has one deck to support the otter board, the bottom equidistance of support otter board is fixed with a plurality of stabilizer blades, and this support otter board is located the top of aeration pipe, gas distribution pipe and water distributor, and is a plurality of the stabilizer blade all contacts with the bottom of the pool of reaction tank through the clearance between aeration pipe, gas distribution pipe and the water distributor, supports the design of otter board, is to carrying out the effect that the secondary gas distribution was cut apart from aeration pipe spun gas on the one hand, makes its bubble distribute in the pond uniformly, and on the other hand is then to implement the protection to aeration pipe and the water distributor at the bottom of the pool, steps on aeration pipe or water distributor when avoiding later stage water supply connector to maintain, the bottom of the pool border integrated into one piece of reaction tank has round annular protruding edge for lifting the edge that supports the otter board, this design is mainly in order to improve the stability that supports the otter board.

Furthermore, a plurality of microorganism carrier media are put in the reaction tank, in order to reduce the loss of the microorganism carrier media in the reaction tank as much as possible, a stainless steel filter cover is fixedly arranged at the water outlet and an overflow port (not shown) positioned at the top of the reaction tank, and the size of a filter hole of the stainless steel filter cover is smaller than that of the microorganism carrier media.

Further, in order to further enhance the spiral vortex effect formed after the newly-inlet sewage is sprayed out of the water outlet joint and enable the ripple of the spiral water flow to be more obvious, a second reinforced hoop is integrally formed at the two sides of the middle first reinforced hoop of the water outlet pipe head, a movable ring is rotatably installed on the inner side of the second reinforced hoop, and a roller is arranged between the movable ring and the second reinforced hoop; a first fan blade is fixed on the inner side of the movable ring; the angle direction of a flabellum and No. two flabellums is reverse design, every the homogeneous shaping in both sides of activity ring has an arc-shaped water bar, and the back of this water bar slides the inboard of laminating at the play water pipe head, evenly seted up the hole of permeating water on the body of play water pipe head.

Furthermore, the top end of the water outlet pipe head is a sealed end, and in order to enable the water outlet pipe head and the movable ring to rotate independently under the coaxial condition, a stainless steel round rod which is coaxial with the water outlet pipe head is fixed in the center of the top end of the water outlet pipe head through a head sleeve ring; no. two flabellums and flabellum all overlap on this stainless steel round bar, and be equipped with miniature bearing between flabellum and the stainless steel round bar, the design of stainless steel round bar is mainly in order to further realize the location to No. one flabellum and No. two flabellums, ensures the normal rotation of play water pipe head and loose collar.

Furthermore, the outer side of the joint seat is further integrally formed with an outer supporting ring which is horizontally arranged, the outer supporting ring is designed, and after the outer supporting ring is matched with the support screen plate, the height of each water inlet joint can be quickly positioned to achieve the purpose of quick positioning and installation.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a MBBR biological purification sewage treatment device, distribute the delivery port at the bottom of the pool, and with unique design's water inlet joint structure, can make newly-advanced sewage and numerous microorganism carrier medium realize the intensive mixing in the short time in the pond, compare from the traditional MBBR sewage treatment device that the pond top intake, sewage and pond microorganism intensive mixing required time are shorter, in the same ageing, it is more comprehensive that organic matter contacts in microorganism and bacterium and the sewage, and reaction time is more of a specified duration, decomposition efficiency of organic matter can be showing and is improving in the sewage.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

fig. 2 is a schematic view of the cross-section structure of the water inlet joint of the present invention.

In the figure: 1. a reaction tank; 2. a water inlet; 3. a water outlet; 4. supporting the screen plate; 401. a leg; 5. An aeration pipe; 6. an adapter; 7. an air distribution pipe; 8. a water distribution pipe; 9. a water inlet joint; 901. a joint base; 902. sealing the bearing; 903. a water outlet pipe head; 904. a first reinforcing hoop; 905. a second reinforcing hoop; 906. water permeable holes; 907. a movable ring; 908. a roller; 909. an end socket collar; 910. a first fan blade; 911. a second fan blade; 912. a water bar; 913. a stainless steel round bar; 914. an outer supporting ring; 10. a water delivery pipe; 11. an air feed pipe; 12. a microbial carrier medium.

Detailed Description

In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these physical details should not be taken to limit the invention. That is, in some embodiments of the present invention, such details are not necessary. In addition, for simplicity, some conventional structures and components are shown in the drawings in a simplified schematic manner.

In addition, the descriptions related to "a", "an", "two", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined by a "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-2, the utility model discloses a sewage treatment device, which comprises a reaction tank 1, a water inlet 2 and a water outlet 3, wherein the water inlet 2 and the water outlet 3 are arranged at two sides of the reaction tank; the aeration system comprises a plurality of aeration pipes 5 which are tiled at the bottom of the reaction tank 1, a water distribution pipe 8 is fixed at the position, close to the center, of the bottom of the reaction tank 1 through a support, water inlet connectors 9 which are vertically arranged are arranged on the water distribution pipe 8 at equal intervals, and the water distribution pipe 8 is communicated with the water inlet 2 through a water delivery pipe 10; the water inlet joint 9 comprises a joint seat 901 which is fixedly communicated with the water distribution pipe 8; the top of the joint seat 901 is rotatably provided with a water outlet pipe head 903 through a sealing bearing 902; the two ends and the middle part of the pipe body of the water outlet pipe head 903 are provided with a first reinforcing hoop 904; the inner sides of the first reinforcing hoop 904 at the bottom end and the middle part are fixed with the second fan blades 911, water inlet water outlet ports are uniformly distributed at the bottom of the tank, and the first reinforcing hoop 904 is structurally designed by the water inlet connector 9, when sewage enters the reaction tank 1 from the water inlet connector 9, due to the water flow impact effect, the second fan blades 911 are matched to act, so that the water outlet pipe head 903 is driven to rotate, in the rotating process, water flowing out of the water inlet connector 9 can form an outward-diffused vortex at the bottom of the tank, the water inlet connector 9 is uniformly distributed at the bottom of the tank, when sewage is injected, a plurality of vortices are formed at the bottom of the reaction tank 1, and in the diffusion of the vortices, the generated vortex collides with the vortices, so that the sewage in the reaction tank 1 is more active, and the aeration operation at the bottom of the reaction tank 1 is matched, the purpose of rapid diffusion of the newly-entering sewage from the bottom of the tank to the surface of the tank in a vortex manner can be achieved, and the newly-entering sewage and the numerous microbial carrier media 12 can be fully mixed in the tank in a short time.

In order to realize the final aeration and oxygenation operation in the pool, each aeration pipe 5 is communicated with the adapter 6 through the air distribution pipe 7, the adapter 6 is communicated with an air supply connector of an external air compressor (not shown in the figure) through the air supply pipe 11, high-pressure air output by the air compressor is input into each aeration pipe 5 through the air distribution pipe 7 after passing through the air supply pipe 11 and the adapter 6, and finally, an air outlet on the aeration pipe 5 is discharged into sewage in the reaction tank 1, so that aeration and oxygenation are realized.

Referring to fig. 1, in order to make aeration more uniform, a layer of support screen 4 is flatly laid on the bottom of the reaction tank 1, a plurality of support legs 401 are fixed at the bottom of the support screen 4 at equal intervals, the support screen 4 is located at the top of the aeration pipe 5, the air distribution pipe 7 and the water distribution pipe 8, the plurality of support legs 401 are all in contact with the tank bottom of the reaction tank 1 through gaps among the aeration pipe 5, the air distribution pipe 7 and the water distribution pipe 8, the design of the support screen 4 is to protect the aeration pipe 5 and the water distribution pipe 8 at the tank bottom on one hand, so that the aeration pipe 5 or the water distribution pipe 8 is prevented from being damaged by treading on the aeration pipe 5 or the water distribution pipe 8 during maintenance of the water inlet joint 9 at the later stage, a ring-shaped convex edge is integrally formed at the tank bottom edge of the reaction tank 1 for supporting the edge of the support screen 4, and the design is mainly for improving the stability of the support screen 4.

A plurality of microorganism carrier media 12 are also put in the reaction tank 1, in order to reduce the loss of the microorganism carrier media 12 in the reaction tank 1 as much as possible, stainless steel filter covers are fixedly arranged at the water outlet 3 and an overflow port (not shown) positioned at the top of the reaction tank 1, and the size of a filter hole of each stainless steel filter cover is smaller than that of the microorganism carrier media 12.

Referring to fig. 2, in order to further enhance the spiral vortex effect formed after the new sewage is sprayed out from the water outlet joint and make the ripple of the spiral water flow more obvious, a second reinforced hoop 905 is integrally formed at the two sides of the water outlet pipe head 903 at the middle first reinforced hoop 904, a movable ring 907 is rotatably installed at the inner side of the second reinforced hoop 905, and a roller 908 is arranged between the movable ring 907 and the second reinforced hoop 905; a first fan blade 910 is fixed on the inner side of the movable ring 907; the first fan blade 910 and the second fan blade 911 are designed in a reverse direction, an arc-shaped water bar 912 is integrally formed on each of two sides of each movable ring 907, the back surface of the water bar 912 is in sliding fit with the inner side of the water outlet pipe head 903, and water permeable holes 906 are uniformly formed in the pipe body of the water outlet pipe head 903.

Firstly, when the water outlet pipe head 903 rotates on the joint seat 901 under the driving of the matching of the flushed water flow and the second fan blade 911, because the angle directions of the first fan blade 910 and the second fan blade 911 are designed in the reverse direction, when the water flow passes through the first fan blade 910, the first fan blade 910 is pushed to rotate in the reverse direction of the rotation of the second fan blade 911, according to the fixed connection of the first fan blade 910 and the movable ring 907, the movable ring 907 is driven to synchronously rotate while the first fan blade 910 rotates, and the water retaining strip 912 and the water outlet pipe head 903 rotate in the opposite direction, and the design of the water retaining strip 912 is mainly used for blocking the corresponding water permeable hole 906 on the path, so that a fault appears when the water outlet pipe head 903 rotates, the fault width of the peripheral water permeable hole 906 of the water outlet pipe head 903 is expanded along with the diffusion of the vortex, and when the adjacent vortex collides, the fault gap of the vortex can generate large impact, and the activity of the sewage when the adjacent vortex diffuses is increased.

Referring to fig. 2, the top end of the water outlet pipe head 903 is a sealed end, and in order to enable the water outlet pipe head 903 and the movable ring 907 to rotate independently in a coaxial manner, a stainless steel round rod 913 coaxially arranged with the water outlet pipe head 903 is fixed in the center of the top end of the water outlet pipe head 903 through a tip sleeve ring 909; the second fan blade 911 and the first fan blade 910 are both sleeved on the stainless steel round rod 913, a micro-bearing is arranged between the first fan blade 910 and the stainless steel round rod 913, and the stainless steel round rod 913 is mainly designed to further position the first fan blade 910 and the second fan blade 911, so that normal rotation of the water outlet pipe head 903 and the movable ring 907 is ensured.

Referring to fig. 2, an outer ring 914 is integrally formed on the outer side of the connector base 901, and after the outer ring 914 is designed and matched with the arrangement of the supporting screen 4, the height of each water inlet connector 9 can be quickly positioned to achieve the purpose of quick positioning and installation.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A sewage treatment device comprises a reaction tank (1), and a water inlet (2) and a water outlet (3) which are arranged at two sides of the reaction tank; and an aeration system, characterized in that: the aeration system comprises a plurality of aeration pipes (5) tiled at the bottom of the reaction tank (1), a water distribution pipe (8) is fixedly arranged at the position, close to the center, of the bottom of the reaction tank (1) through a support, water inlet connectors (9) vertically arranged are equidistantly arranged on the water distribution pipe (8), and the water distribution pipe (8) is communicated with the water inlet (2) through a water conveying pipe (10);

the water inlet joint (9) comprises a joint seat (901) fixedly communicated with the water distribution pipe (8); the top of the joint seat (901) is rotatably provided with a water outlet pipe head (903) through a sealing bearing (902); two ends and the middle part of the pipe body of the water outlet pipe head (903) are provided with a first reinforcing hoop (904); the inner sides of the first reinforcing hoop (904) positioned at the bottom end and the middle part are both fixed with second fan blades (911).

2. The sewage treatment apparatus according to claim 1, wherein: every aeration pipe (5) all communicate with adapter (6) through gas distribution pipe (7), adapter (6) are gone up and are communicated with external air compressor's air feed joint through air feed pipe (11).

3. The sewage treatment apparatus according to claim 1, wherein: the bottom of reaction tank (1) has the one deck to support otter board (4) of tiling, the bottom equidistance of supporting otter board (4) is fixed with a plurality of stabilizer blades (401), and this supports otter board (4) and is located the top of aeration pipe (5), gas distribution pipe (7) and water distributor (8), and is a plurality of stabilizer blade (401) all contact with the bottom of the pool of reaction tank (1) through the clearance between aeration pipe (5), gas distribution pipe (7) and water distributor (8), the bottom of the pool border integrated into one piece of reaction tank (1) has round annular protruding edge for lift the edge that supports otter board (4).

4. The sewage treatment apparatus according to claim 1, wherein: still put into in reaction tank (1) a plurality of microorganism carrier medium (12), a stainless steel filter mantle is all fixed mounting in delivery port (3) and the overflow mouth department that is located reaction tank (1) top of the pool, and the filtration pore size of stainless steel filter mantle is less than the size of microorganism carrier medium (12).

5. The sewage treatment apparatus according to claim 1, wherein: a second reinforced hoop (905) is integrally formed at the position, located at the two sides of the first reinforced hoop (904) in the middle, of the water outlet pipe head (903), a movable ring (907) is rotatably mounted on the inner side of the second reinforced hoop (905), and a roller (908) is arranged between the movable ring (907) and the second reinforced hoop (905); a first fan blade (910) is fixed on the inner side of the movable ring (907); the angle directions of the first fan blade (910) and the second fan blade (911) are designed in a reverse direction.

6. The sewage treatment apparatus according to claim 5, wherein: the two sides of each movable ring (907) are integrally formed with an arc-shaped water retaining strip (912), the back of each water retaining strip (912) is attached to the inner side of the water outlet pipe head (903) in a sliding mode, and water permeable holes (906) are uniformly formed in the pipe body of the water outlet pipe head (903).

7. The sewage treatment apparatus according to claim 1, wherein: the top end of the water outlet pipe head (903) is a sealing end, and the center of the top end of the water outlet pipe head (903) is fixed with a stainless steel round rod (913) which is coaxial with the water outlet pipe head (903) through a tip lantern ring (909); second flabellum (911) and first flabellum (910) all overlap on this stainless steel round rod (913), and be equipped with the micro bearing between first flabellum (910) and stainless steel round rod (913).

8. The sewage treatment apparatus according to claim 1, wherein: an outer supporting ring (914) which is horizontally arranged is further integrally formed on the outer side of the joint seat (901).