CN216129465U

CN216129465U - High-sludge-concentration bio-multiplication urban sewage treatment device

Info

Publication number: CN216129465U
Application number: CN202121357882.9U
Authority: CN
Inventors: 刘贵祥; 季亦强; 季毓钦; 史卫强; 梅军; 王金发
Original assignee: Ruisheng Environment Co ltd
Current assignee: Ruisheng Environment Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-03-25
Anticipated expiration: 2031-06-18

Abstract

The utility model discloses a high-sludge-concentration bio-multiplication urban sewage treatment device, which comprises an aeration tank, a sludge scraping tank and a sedimentation tank, wherein an aeration disc with a hollow inner part is arranged in the aeration tank, the aeration disc is communicated with a plurality of aeration pipes, and each aeration pipe is provided with a plurality of aeration holes; an aeration pump and a rotary joint which are communicated through an air inlet pipe are arranged outside the bottom of the aeration tank, and the other end of the rotary joint is communicated with an aeration disc; a first driving motor is arranged above the aeration tank, and a rotating shaft with the lower end communicated with the aeration disc is connected to the first driving motor; the rotating shaft is provided with an air diffuser. In the utility model, an aeration pump is adopted to convey air into sewage through an aeration disc, an aeration pipe and an air diffuser; adopt first driving motor to drive aeration dish, aeration pipe, air diffuser and rotate to disturbance sewage for organic matter, microorganism and oxygen in the sewage fully contact, improve oxygen transmission efficiency, accelerate the oxidative decomposition effect to organic matter in the sewage.

Description

High-sludge-concentration bio-multiplication urban sewage treatment device

Technical Field

The utility model relates to the field of sewage treatment, in particular to a high-sludge-concentration biological multiplication urban sewage treatment device.

Background

The biological multiplication process is characterized in that under a special control condition, the number of the microorganisms trained and cultured in the biological treatment tank is maximized, the military rights are specialized, and the degradation is efficient, so that organic pollutants in water are effectively degraded, a stable and good living environment is created for the microorganisms, and the microorganisms are enabled to obtain oxygen by utilizing the aeration structure to generate bubbles in the sewage treatment tank.

The existing sewage treatment device supplies air to the aeration structure by utilizing the air blower, so that the air supply efficiency is low, and oxygen in the air cannot be in full contact with microorganisms in sludge.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-sludge-concentration bio-multiplication urban sewage treatment device.

The utility model has the innovation points that the aeration pump is adopted to convey air into sewage through the aeration disc, the aeration pipe and the air diffuser; adopt first driving motor to drive aeration dish, aeration pipe, air diffuser and rotate to disturbance sewage for organic matter, microorganism and oxygen in the sewage fully contact, improve oxygen transmission efficiency, accelerate the oxidative decomposition effect to organic matter in the sewage.

In order to realize the purpose of the utility model, the technical proposal of the utility model is as follows:

a high sludge concentration biological multiplication urban sewage treatment device comprises an aeration tank, a sludge scraping tank and a sedimentation tank which are sequentially communicated with one another, wherein an aeration disc with a hollow inner part is arranged in the bottom of the aeration tank, the aeration disc is communicated with a plurality of aeration pipes, and each aeration pipe is provided with a plurality of aeration holes; an aeration pump and a rotary joint are arranged outside the bottom of the aeration tank, an air outlet of the aeration pump is communicated with the rotary joint through an air inlet pipe, and one end of the rotary joint, which is far away from the air inlet pipe, is communicated with an aeration disc;

a first driving motor is vertically arranged above the aeration tank, and a rotor of the first driving motor is fixedly connected with a rotating shaft of which the lower end is communicated with the aeration disc; the rotating shaft is communicated with an air diffuser, and the air diffuser is provided with a plurality of small holes. In the aeration tank, an aeration pump leads air into an aeration disc through an air inlet pipe, and then the air is supplemented into sewage through each aeration pipe and an air diffuser; when the aeration pump works, the first driving motor drives the aeration disc, the aeration pipe and the air diffuser to rotate, and then sewage is stirred and disturbed, so that oxygen in the air is fully contacted with organic matters and microorganisms in the sewage, the oxygen transfer efficiency is improved, and the oxidative decomposition of the organic matters in the sewage is accelerated.

Preferably, the air diffuser has an inverted T-shape, and the small holes are formed in an outer side wall of the inverted T-shaped air diffuser. The air diffuser is shaped as an inverted T so that more small holes can be provided in its outer wall to allow more air to be discharged from the sewage in each small hole.

Preferably, the outer side wall of the air diffuser is uniformly provided with a plurality of blades along the circumferential direction. Be provided with the blade and can stir sewage for organic matter, the microorganism abundant contact in dissolved oxygen and the sewage, accelerate contact velocity.

Preferably, a filter material layer is arranged in the mud scraping pool, and the lower part of the filter material layer is communicated with the upper part of the sedimentation pool; and a second driving motor is vertically arranged outside the bottom of the mud scraping pool, a rotor of the second driving motor is provided with a stirring shaft, the upper end of the stirring shaft penetrates out of the filter material layer, and the stirring shaft is horizontally provided with a scraping plate which is in contact with the upper surface of the filter material layer. Be provided with the scraper blade, can disturb the mud in the sewage for mud is difficult for the deposit on the precoat, reduces the precoat and blocks up, and the precoat of being convenient for filters sewage.

Preferably, a honeycomb inclined plate is arranged in the sedimentation tank, and a drain pipe is arranged above the honeycomb inclined plate on the sedimentation tank; a sludge discharge pipe is arranged below the honeycomb inclined plate in the sedimentation tank, a sludge discharge pump is arranged outside the sedimentation tank, a sludge inlet pipe communicated with the sludge discharge pipe is arranged at the inlet of the sludge discharge pump, and a sludge return pipe communicated with the aeration tank is arranged at the outlet of the sludge discharge pump. Sludge in the sewage is deposited to the bottom of the sedimentation tank along an inclined pipe and enters the aeration tank for secondary treatment through a sludge discharge pipe, a sludge discharge pump and a sludge return pipe; the sewage flows upwards along the inclined plate and then is discharged from the drain pipe.

Preferably, a sludge scraping device is arranged at an opening of the sludge tank; the mud scraping device comprises a first chain wheel, a second chain wheel, a chain, a third motor and a plurality of mud scraping plates; the chain is sleeved on the first chain wheel and the second chain wheel; the first chain wheel is fixed on a rotor of the third motor; each mud scraping plate is vertical to the chain; and a sludge collecting groove is arranged on the outer side of the sludge scraping pool. The mud scraping device is suitable for scraping floating mud on the mud pool, and the stirring device stirs the in-process, and sedimentary mud is disturbed and then floats on sewage on the packing layer, scrapes mud through the mud scraping device, and then improves sewage treatment efficiency.

The utility model has the beneficial effects that:

1. in the utility model, an aeration pump is adopted to convey air into sewage through an aeration disc, an aeration pipe and an air diffuser; when the aeration pump works, the first driving motor drives the aeration disc, the aeration pipe and the air diffuser to rotate so as to disturb sewage, so that organic matters and microorganisms in the sewage are fully contacted with oxygen, the oxygen transfer efficiency is improved, and the oxidative decomposition of the organic matters in the sewage is accelerated.

2. According to the utility model, the blades are adopted, so that the sewage can be stirred, the dissolved oxygen is fully contacted with organic matters and microorganisms in the sewage, and the contact speed is further increased.

3. According to the utility model, the stirring shaft and the scraper are adopted, so that sewage can be stirred, sludge deposited on the filter material layer floats, and then the sludge is removed through the sludge scraping device, and the sewage treatment efficiency is accelerated; simultaneously, can also make mud be difficult for the deposit on the precoat, reduce the precoat and block up, the precoat of being convenient for filters sewage.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the mud scraping device.

In the figure:

1. an aeration tank; 11. a first drive motor; 12. a rotating shaft; 2. a mud scraping pool; 21. a filter material layer; 22. a second drive motor; 23. a stirring shaft; 24. a squeegee; 3. a sedimentation tank; 31. a honeycomb sloping plate; 32. a drain pipe; 4. an aeration pump; 41. an aeration disc; 42. an aeration pipe; 421. an aeration hole; 5. a rotary joint; 6. an air diffuser; 61. a small hole; 7. a blade; 8. a sludge discharge pump; 81. a sludge discharge pipe; 82. a mud inlet pipe; 83. a sludge return pipe; 9. a mud scraping device; 91. a first sprocket; 92. a second sprocket; 93. a chain; 94. a third motor; 95. a mud scraper; 10. a sludge collecting groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.

The described embodiments are only some embodiments of the utility model, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in figure 1, the high sludge concentration biological multiplication urban sewage treatment device comprises an aeration tank 1, a mud scraping tank 2 and a sedimentation tank 3 which are sequentially communicated with each other.

As shown in fig. 1, an aeration disc 41 with a hollow interior is arranged in the bottom of the aeration tank 1, a plurality of aeration pipes 42 are communicated with the aeration disc 41, and each aeration pipe 42 is provided with a plurality of aeration holes 421; an aeration pump 4 and a rotary joint 5 are arranged outside the bottom of the aeration tank 1, one end of the rotary joint 5 is communicated with an air outlet of the aeration pump 4 through an air inlet pipe, and the other end is communicated with the lower part of the aeration disc 41; the vertical first driving motor 11 that is provided with in opening top of aeration tank 1, the pivot 12 of fixedly connected with lower extreme and aeration dish 41 intercommunication on the rotor of first driving motor 11, the intercommunication has the air diffuser 6 that the shape is the type of falling T in the pivot 12, has seted up a plurality of apertures 61 on the lateral wall of air diffuser 6, and the lateral wall of air diffuser 6 has a plurality of blades 7 along its circumference evenly spaced distribution.

As shown in fig. 1 and 2, the mud scraping device 9 and the filter material layer 21 are sequentially arranged in the mud scraping pool 2 from top to bottom, the mud scraping device 9 is in the prior art and comprises a first chain wheel 91, a second chain wheel 92, a chain 93, a third motor 94 and a plurality of mud scraping plates 95, the chain 93 is sleeved on the first chain wheel 91 and the second chain wheel 92, the first chain wheel 91 is fixed on a rotor of the third motor 94, each mud scraping plate 95 is perpendicular to the chain 93, and a mud collecting groove 10 is formed in the outer side of the mud scraping pool 2. The third motor 94 drives the first chain wheel 91 to rotate, and then drives the second chain wheel 92 to rotate through the chain 93, and when the chain 93 rotates, the mud scraping plate 95 is driven to scrape the mud in the mud scraping pool 2 into the mud collecting groove 10. The second driving motor 22 is vertically arranged outside the bottom of the mud scraping pool 2, the upper end of the rotor of the second driving motor 22 is fixedly connected with a stirring shaft 23 penetrating through the filter material layer 21, and the stirring shaft 23 is horizontally and fixedly connected with a scraping plate 24 contacting with the upper surface of the filter material layer 21.

As shown in fig. 1, the lower part of the filter material layer 21 is communicated with the upper part of the sedimentation tank 3, a honeycomb inclined plate 31 is arranged in the sedimentation tank 3, a drain pipe 32 is arranged above the honeycomb inclined plate 31, a sludge discharge pipe 81 is arranged below the honeycomb inclined plate 31, a sludge discharge pump 8 is arranged outside the sedimentation tank 3, a sludge inlet pipe 82 communicated with the sludge discharge pipe 81 is arranged at the inlet of the sludge discharge pump 8, and a sludge return pipe 83 communicated with the aeration tank 1 is arranged at the outlet.

In view of the above, it is desirable to provide,

when the high sludge concentration biological multiplication urban sewage treatment device is used, sewage enters the aeration tank 1, then the aeration pump 4 works, outside air is supplemented into the aeration disc 41 through the air inlet pipe and the rotary joint 5, then the sewage is discharged from each aeration pipe 42 and the air diffuser 6, when the aeration pump 4 works, the first driving motor 11 works to drive the rotating shaft 12 to rotate so as to drive the aeration disc 41, the air diffuser 6 and the blades 7 to rotate, oxygen is supplemented while the sewage is stirred, so that the oxygen and the sewage are fully mixed, the aerated sewage enters the sludge scraping tank 2, the second driving motor 22 works to drive the stirring shaft 23 to drive the scraper 24 to rotate, so that the sludge on the upper surface of the filter material layer 21 is disturbed, the sludge floats on the sewage, then the sludge is scraped by the sludge scraping device 9, the sewage filtered by the filter material layer 21 enters the sedimentation tank 3, the water precipitated by the honeycomb inclined tube is discharged from the water discharge pipe 32, and the sludge deposited at the bottom of the sedimentation tank 3 is circulated to the aeration tank 1 through the sludge pump 8, the sludge discharge pipe 81 and the sludge return pipe 83 for circulating filtration.

Claims

1. A high sludge concentration biological multiplication urban sewage treatment device comprises an aeration tank, a sludge scraping tank and a sedimentation tank which are sequentially communicated with one another, and is characterized in that an aeration disc with a hollow inner part is arranged in the bottom of the aeration tank, the aeration disc is communicated with a plurality of aeration pipes, and each aeration pipe is provided with a plurality of aeration holes; an aeration pump and a rotary joint are arranged outside the bottom of the aeration tank, an air outlet of the aeration pump is communicated with the rotary joint through an air inlet pipe, and one end of the rotary joint, which is far away from the air inlet pipe, is communicated with an aeration disc; a first driving motor is vertically arranged above the aeration tank, and a rotor of the first driving motor is fixedly connected with a rotating shaft of which the lower end is communicated with the aeration disc; the rotating shaft is communicated with an air diffuser, and the air diffuser is provided with a plurality of small holes.

2. The apparatus of claim 1, wherein the air diffuser is shaped as an inverted T, and the holes are formed on an outer sidewall of the inverted T.

3. The apparatus of claim 2, wherein the outer sidewall of the air diffuser has a plurality of blades distributed along the circumference of the outer sidewall.

4. The high sludge concentration bio-multiplication municipal sewage treatment plant according to claim 1, wherein a filter layer is provided in the mud scraping tank, and the lower part of the filter layer is communicated with the upper part of the sedimentation tank; and a second driving motor is vertically arranged outside the bottom of the mud scraping pool, a rotor of the second driving motor is provided with a stirring shaft, the upper end of the stirring shaft penetrates out of the filter material layer, and the stirring shaft is horizontally provided with a scraping plate which is in contact with the upper surface of the filter material layer.

5. The high sludge concentration bio-multiplication municipal sewage treatment plant according to claim 4, wherein a honeycomb inclined plate is provided in said sedimentation tank, and a drain pipe is provided above the honeycomb inclined plate on said sedimentation tank; a sludge discharge pipe is arranged below the honeycomb inclined plate in the sedimentation tank, a sludge discharge pump is arranged outside the sedimentation tank, a sludge inlet pipe communicated with the sludge discharge pipe is arranged at the inlet of the sludge discharge pump, and a sludge return pipe communicated with the aeration tank is arranged at the outlet of the sludge discharge pump.

6. The high sludge concentration bio-multiplier municipal sewage treatment plant according to claim 4, wherein a sludge scraping device is provided at the opening of said sludge tank; the mud scraping device comprises a first chain wheel, a second chain wheel, a chain, a third motor and a plurality of mud scraping plates; the chain is sleeved on the first chain wheel and the second chain wheel; the first chain wheel is fixed on a rotor of the third motor; each mud scraping plate is vertical to the chain; and a sludge collecting groove is arranged on the outer side of the sludge scraping pool.