CN214714551U

CN214714551U - Magnetic coagulation sedimentation tank cleaning device using submersible jet aerator

Info

Publication number: CN214714551U
Application number: CN202121140158.0U
Authority: CN
Inventors: 张光亚; 葛文杰; 田小明
Original assignee: Beijing Jingrui Kemai Water Technology Co ltd
Current assignee: Beijing Jingrui Kemai Water Technology Co ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2021-11-16
Anticipated expiration: 2031-05-25

Abstract

The utility model relates to an use magnetic coagulation sedimentation tank belt cleaning device of dive efflux aeration machine relates to sewage treatment device's field, and it sets up inside the sedimentation tank that has the pipe chute body, including being located pipe chute body below and around sedimentation tank middle part pivoted dive efflux aeration machine, dive efflux aeration machine includes the mixing chamber, the intake pipe of being connected with the mixing chamber, the nozzle of being connected with the mixing chamber, and the nozzle sets up towards the direction of a sedimentation tank lateral wall. This application has the inside wall to pipe chute and sedimentation tank simultaneously and carries out abluent effect.

Description

Magnetic coagulation sedimentation tank cleaning device using submersible jet aerator

Technical Field

The application relates to the field of sewage treatment equipment, in particular to a magnetic coagulation sedimentation tank cleaning device using a submersible jet aerator.

Background

When using the sedimentation tank to purify sewage, need introduce sewage into the sedimentation tank earlier, then utilize the contact flocculation principle to make the suspended solid of aquatic deposit at the bottom of the pool of sedimentation tank, the top of precipitate is clear water, thereby the clear water overflows from the upper end of sedimentation tank and breaks away from the sedimentation tank. However, fine flocs are mixed in the clear water, and in order to reduce the occurrence of flocs discharged to the outside of the sedimentation tank along with the clear water, an inclined tube for catching the flocs is provided above the sedimentation tank. Such a large amount of flocs will adhere to the chute, but as the flocs gradually increase on the chute, the rate at which fresh water is discharged through the chute to the outside of the settling tank will be affected.

In the related art, when cleaning the inclined tube inside the sedimentation tank, the inclined tube is generally cleaned by aeration using a plurality of air pumps, and floccules attached to the wall of the inclined tube are separated from the inclined tube by aerating the inclined tube, so that the inclined tube can be cleaned.

In view of the above-mentioned related art, the inventor believes that a part of the flocs adheres not only to the chute but also to the inner sidewall of the settling tank, and thus it is necessary to provide a cleaning apparatus for cleaning the chute and the inner sidewall of the settling tank at the same time.

Disclosure of Invention

In order to wash the inside wall to pipe chute and sedimentation tank simultaneously, this application provides an use magnetic coagulation sedimentation tank belt cleaning device of dive jet aerator.

The application provides an use magnetic coagulation sedimentation tank belt cleaning device of dive jet aerator adopts following technical scheme:

the utility model provides an use magnetic coagulation sedimentation tank belt cleaning device of dive jet aerator, its setting is inside the sedimentation tank of internal connection inclined tube body, including being located inclined tube body below and around sedimentation tank middle part pivoted dive jet aerator, dive jet aerator includes mixing chamber, the intake pipe of being connected with the mixing chamber, the nozzle of being connected with the mixing chamber, and the nozzle sets up towards the direction of a sedimentation tank lateral wall.

By adopting the technical scheme, the submersible jet aerator is started, the air is sucked by the air inlet pipe, the air sucked by the air inlet pipe enters the mixing chamber to be mixed with water flow, and then water-air mixed flow is generated in the nozzle; meanwhile, the submersible jet aerator is controlled to rotate around the middle part of the sedimentation tank, and the nozzle sprays water-gas mixed flow at high speed towards the inner side wall of the sedimentation tank while rotating; wherein rivers drive the direction motion of partial bubble to being close to the internal wall of sedimentation tank, the inside wall of bubble contact sedimentation tank is convenient for clear up adnexed flocculus on the internal wall of sedimentation tank, bubble in the aqueous vapor mixing flow then can the come-up, can take place to break when the bubble meets the wall of pipe chute body, and the ruptured process of bubble then can clear up adnexed flocculus on the pipe chute body, so reached simultaneously to carry out abluent effect to the inside wall of pipe chute body and sedimentation tank.

Preferably, be equipped with the mud scraper in the sedimentation tank, the mud scraper includes the center pin, is connected with drive center pin pivoted actuating mechanism on the center pin, and the dive jet aerator is installed on the lateral wall of center pin.

By adopting the technical scheme, the driving mechanism is started to drive the central shaft to rotate, the sludge scraper can be controlled to scrape the bottom wall of the sedimentation tank by rotating the central shaft, and meanwhile, the submersible jet aerator can be driven to rotate by rotating the central shaft; all be equipped with the mud scraper in most sedimentation tanks now, need not so to set up other mechanisms and provide power for the rotation of dive jet aeration machine, comparatively save material resources.

Preferably, the central shaft is of a hollow structure, the top end of the central shaft is an opening, and one end, far away from the mixing chamber, of the air inlet pipe is in threaded connection with the side wall of the central shaft and communicated with the side wall of the central shaft.

Through adopting above-mentioned technical scheme, the intake pipe inhales gas through the opening part of center pin, simple structure and can reach the effect that the intake pipe admits air.

Preferably, one end of the air inlet pipe, which is far away from the mixing chamber, extends towards the direction far away from the bottom wall of the sedimentation tank and extends out of the sedimentation tank.

Through adopting above-mentioned technical scheme, thereby the intake pipe directly stretches out the inside intake of the intake pipe of being convenient for of sedimentation tank.

Preferably, the top end of the central shaft is provided with a conductive slip ring, and a cable connected to the submersible jet aerator is electrically connected to the conductive slip ring.

Through adopting above-mentioned technical scheme, when the dive efflux aeration machine rotated, the cable of connecting on the dive efflux aeration machine can rotate along with the dive efflux aeration machine is together, reduces the cable and restricts the rotatory condition of dive efflux aeration machine and takes place.

Preferably, the top end of the central shaft is provided with a rain shade for shading the opening of the central shaft.

Through adopting above-mentioned technical scheme, during the rainy day, the rain shade can reduce the rainwater and take place from the condition that the opening part of center pin got into the center pin, is convenient for guarantee dive jet aerator normal work.

Preferably, the spraying range of the submersible jet aerator is not less than half of the diagonal length of the sedimentation tank body.

Through adopting above-mentioned technical scheme, can guarantee the spray regime of dive jet aerator in the sedimentation tank for dive jet aerator can be better clear up the inside wall and the pipe chute of sedimentation tank.

Preferably, a plurality of drainage channels are arranged above the inclined tube body, the top ends of the drainage channels are open, two ends of each drainage channel are fixedly connected with one corresponding inner side wall of the sedimentation tank, and drainage holes communicated with the drainage channels are formed in the side walls of the sedimentation tank.

By adopting the technical scheme, after sewage is purified by the sedimentation tank, clear water on the upper layer overflows into the drainage channel from the opening at the top end of the drainage channel, and then is separated from the interior of the sedimentation tank along the drainage hole, so that clear water can be collected from other positions conveniently.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the effect of simultaneously cleaning the inclined tube body and the inner side wall of the sedimentation tank is achieved;

2. other mechanisms are not needed to provide power for the rotation of the submersible jet aerator, so that material resources are saved;

3. the cable that connects on the dive jet aerator is connected with the slip ring electricity that leads, reduces the cable and restricts the circumstances emergence that dive jet aerator rotated.

Drawings

FIG. 1 is a schematic diagram showing a positional relationship between a sedimentation tank and a cleaning device for an inclined tube according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a submersible jet aerator according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a rain fly embodying the present invention.

Description of reference numerals: 1. a sedimentation tank; 11. a settling section; 12. a diagonal pipe portion; 121. a pipe chute support plate; 122. a pipe chute body; 13. a clear water part; 14. a drain hole; 2. a mud scraper; 21. a central shaft; 22. a mud scraping frame; 3. a drive mechanism; 31. a first gear; 32. a second gear; 33. a gear cover; 34. a drive motor; 4. mounting a plate; 41. a submersible jet aerator; 411. a mixing chamber; 412. an air inlet pipe; 413. a nozzle; 414. a pump body; 5. a partition plate; 51. a water inlet channel; 6. a support plate; 7. a support bar; 71. a rain shade; 8. a conductive slip ring; 81. a carbon brush; 9. a drainage channel.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a magnetic coagulation sedimentation tank cleaning device using a submersible jet aerator. Referring to fig. 1 and 2, the device is arranged inside a sedimentation tank 1, and a mud scraper 2 is arranged inside the sedimentation tank 1. The mud scraper 2 comprises a central shaft 21 and a mud scraping frame 22 contacting with the inner bottom wall of the sedimentation tank 1, wherein the central shaft 21 is positioned in the middle of the sedimentation tank 1, and the lower end of the central shaft 21 is fixedly connected with the mud scraping frame 22. The central shaft 21 is connected to a driving mechanism 3 for driving the central shaft 21 to rotate. The sedimentation tank 1 is inside by supreme settling part 11, pipe chute portion 12 and clear water portion 13 of being in proper order down, and pipe chute portion 12 department is equipped with the pipe chute layer board 121 with 1 inner wall fixed connection of sedimentation tank, installs pipe chute body 122 on the pipe chute layer board 121.

The inclined tube cleaning device comprises a mounting plate 4 fixedly connected with the outer side wall of a central shaft 21, wherein the mounting plate 4 is penetrated by the central shaft 21, and the central shaft 21 and the mounting plate 4 are arranged perpendicular to each other. The upper surface fixed connection of mounting panel 4 has dive jet aerator 41, and dive jet aerator 41 is located the below of pipe chute 12, and dive jet aerator 41 includes mixing chamber 411, intake pipe 412, nozzle 413 and pump body 414, and mixing chamber 411 is connected with pump body 414, intake pipe 412 and mixing chamber 411 fixed connection, and nozzle 413 also with mixing chamber 411 fixed connection, the direction setting of nozzle 413 orientation sedimentation tank 1 lateral wall.

The central shaft 21 is a hollow structure, the top end of the central shaft 21 is provided with an opening, and the opening at the top end of the central shaft 21 is higher than the upper surface of the sedimentation tank 1. One end of the inlet pipe 412 is screwed to the side wall of the center shaft 21, and the inlet pipe 412 communicates with the center shaft 21.

When the inner wall of the sedimentation tank 1 and the inclined tube body 122 need to be cleaned, the submersible jet aerator 41 is started, the air inlet pipe 412 sucks air through the central shaft 21, the pump body 414 pumps water into the mixing chamber 411, the air sucked by the air inlet pipe 412 is mixed with the water through the mixing chamber 411, water-gas mixed flow is generated in the nozzle 413 and is ejected out towards the inner side wall of the sedimentation tank 1 at a high speed. Meanwhile, the driving mechanism 3 is started to drive the central shaft 21 to rotate, the central shaft 21 rotates to drive the mud scraping frame 22 to scrape the bottom wall of the sedimentation tank 1, and the central shaft 21 rotates to drive the mounting plate 4 and the submersible jet aerator 41 to rotate.

The submersible jet aerator 41 rotates to spray water-gas mixed flow to the inner side wall of the sedimentation tank 1 through the nozzle 413, wherein the water flow drives part of bubbles to move towards the direction close to the inner side wall of the sedimentation tank 1, and the bubbles contact the inner side wall of the sedimentation tank 1 to clean floccules attached to the inner side wall of the sedimentation tank 1; and the bubbles sprayed by the submersible jet aerator 41 float upwards, and the bubbles break when encountering the wall surface of the inclined tube body 122 in the floating process, so that the floccules attached to the inclined tube body 122 can be separated from the inclined tube body 122 in the bubble breaking process, thereby realizing the aeration cleaning of the inclined tube body 122; the ejection of high-speed aqueous vapor mixture flow makes all contain the bubble between the inside wall of sedimentation tank 1 and dive jet aerator 41, has realized the synchronous clearance to the inside wall of sedimentation tank 1 and pipe chute body 122.

The end of the air inlet pipe 412 far away from the mixing chamber 411 can also directly extend out of the sedimentation tank 1 from the top end of the sedimentation tank 1, so that the air suction of the air inlet pipe 412 is completed. In the present embodiment, the air inlet pipe 412 is described as an example communicating with the hollow center shaft 21. The sedimentation tank 1 is cleaned once every 3-5 weeks, and the cleaning time is about 40-60 minutes each time.

When the model of the submersible jet aerator 41 is selected, the spraying range of the submersible jet aerator 41 is not less than half of the diagonal length of the sedimentation tank 1, so that the submersible jet aerator 41 can better clean the inner side wall of the sedimentation tank 1 and the inclined tube body 122.

The inside division board 5 that is equipped with of sedimentation tank 1, the both ends of division board 5 respectively with a corresponding inside wall fixed connection of sedimentation tank 1. A water inlet channel 51 is formed between the partition plate 5 and one side wall of the sedimentation tank 1, the partition plate 5 is positioned above the mud scraping frame 22, and a gap exists between the partition plate 5 and the bottom wall of the sedimentation tank 1.

The cross section that inhalant canal 51 is close to 1 diapire one end of sedimentation tank is greater than the cross section that inhalant canal 51 kept away from 1 diapire one end of sedimentation tank, so when intaking in 1 to the sedimentation tank through inhalant canal 51, has reduced the impact force that strikes 1 diapire of sedimentation tank in sewage entering sedimentation tank 1, and the condition that the precipitate that has reduced 1 diapire department of sedimentation tank was raised under the impact force of water takes place.

Referring to fig. 2 and 3, a supporting plate 6 is arranged at the top end of the sedimentation tank 1, one end of the supporting plate 6 is fixedly connected with one side wall of the partition plate 5, and the other end of the supporting plate is fixedly connected with an inner side wall of the sedimentation tank 1 far away from the partition plate 5. The top end of the central shaft 21 penetrates through the support plate 6, the driving mechanism 3 comprises a first gear 31 fixedly connected with the central shaft 21, and the first gear 31 is arranged coaxially with the central shaft 21. One side of the first gear 31 is engaged with the second gear 32, the upper surface of the support plate 6 is fixedly connected with a gear cover 33, the first gear 31 and the second gear 32 are positioned inside the gear cover 33, and the top end of the central shaft 21 penetrates through the gear cover 33 so that the opening of the central shaft 21 is exposed to the outside. The driving motor 34 is installed on the surface of the gear cover 33 far away from the support plate 6, and the output shaft of the driving motor 34 penetrates into the gear cover 33 and is fixedly connected with the center of the second gear 32.

When the central shaft 21 is required to rotate, when the driving motor 34 is started, the output shaft of the driving motor 34 drives the second gear 32 to rotate, and the second gear 32 rotates to drive the first gear 31 to rotate. The first gear 31 rotates to drive the central shaft 21 to rotate, and the operation is simple and convenient.

The upper surface of the gear cover 33 is fixedly connected with four support rods 7, and the four support rods 7 are uniformly distributed on the outer ring of the central shaft 21 around the axis of the central shaft 21. A rain shield 71 is arranged above the central shaft 21, each support rod 7 is fixedly connected with one surface of the rain shield 71 close to the central shaft 21, the rain shield 71 is positioned right above the opening of the central shaft 21, and one circle of edge of the rain shield 71 is vertically bent towards the direction close to the support plate 6. The rain shade 71 shields the opening of the center shaft 21 from rain, and reduces the entry of rain into the center shaft 21.

The upper end of the central shaft 21 is provided with the conductive sliding ring 8 which is coaxially arranged with the central shaft 21, the conductive sliding ring 8 comprises a fixed sliding ring rotor part and a fixed sliding ring stator part which are arranged on the inner ring and the outer ring, and the fixed sliding ring rotor part of the inner ring of the conductive sliding ring 8 is fixedly connected with the central shaft 21. A carbon brush 81 is arranged between the fixed slip ring stator part of the outer ring of the conductive slip ring 8 and one of the supporting rods 7, one end of the carbon brush 81 is fixedly connected with the fixed slip ring stator part of the conductive slip ring 8, and the other end is fixedly connected with one supporting rod 7. The pump body 414 of the submersible jet aerator 41 is connected with a cable, and the cable is electrically connected with the rotor part of the fixed slip ring of the conductive slip ring 8, so that the cable connected on the submersible jet aerator 41 can rotate together with the submersible jet aerator 41.

Referring to fig. 1 and 2, a plurality of drainage channels 9 are arranged in the clean water part 13, the upper surface of each drainage channel 9 is open, and two ends of each drainage channel 9 are fixedly connected with a corresponding inner side wall of the sedimentation tank 1. The side wall of the sedimentation tank 1 connected with the drainage channel 9 is provided with a plurality of drainage holes 14, the number of the drainage holes 14 on each side wall is the same as that of the drainage channel 9, and both ends of each drainage channel 9 are communicated with the corresponding drainage holes 14.

After the sewage is precipitated by the sedimentation tank 1, the clean water on the upper layer of the sedimentation tank 1 overflows into the drainage channel 9 from the opening of the upper surface of the drainage channel 9, and then is separated from the interior of the sedimentation tank 1 from the drainage hole 14 along the drainage channel 9, so that the clean water is collected.

The implementation principle of the magnetic coagulation sedimentation tank cleaning device using the submersible jet aerator in the embodiment of the application is as follows: when the inner wall of the sedimentation tank 1 and the inclined tube body 122 need to be cleaned, the driving motor 34 is started, the driving motor 34 drives the central shaft 21 to rotate, and the central shaft 21 rotates to drive the mud scraping frame 22 to scrape the bottom wall of the sedimentation tank 1.

When the central shaft 21 rotates, the submersible jet aerator 41 rotates along with the rotation of the central shaft 21; the submerged jet aerator 41 is activated while the central shaft 21 is rotated, the air intake pipe 412 sucks air through the central shaft 21, the air sucked by the air intake pipe 412 is mixed with water flow through the mixing chamber 411, and then the nozzle 413 jets out a water-air mixed flow at a high speed toward the side wall of the sedimentation tank 1. The bubbles in the water-gas mixture flow rise to clean up the floe attached to the face wall of the chute body 122; rivers in the aqueous vapor mixing flow drive partial bubble and move towards the direction that is close to 1 inside wall of sedimentation tank, thereby partial bubble contacts the inside wall of sedimentation tank 1 and clears up the inside wall of sedimentation tank 1.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an use magnetic coagulation sedimentation tank belt cleaning device of dive jet aerator, its setting has inside sedimentation tank (1) of pipe chute body (122) internally connected with, its characterized in that: the device comprises a submersible jet aerator (41) which is positioned below an inclined pipe body (122) and rotates around the middle part of a sedimentation tank (1), wherein the submersible jet aerator (41) comprises a mixing chamber (411), an air inlet pipe (412) connected with the mixing chamber (411) and a nozzle (413) connected with the mixing chamber (411), and the nozzle (413) is arranged towards the direction of one side wall of the sedimentation tank (1).

2. The washing device of the magnetic coagulation sedimentation tank using the submersible jet aerator as claimed in claim 1, wherein: the sedimentation tank (1) is internally provided with a mud scraper (2), the mud scraper (2) comprises a central shaft (21), the central shaft (21) is connected with a driving mechanism (3) for driving the central shaft (21) to rotate, and a submersible jet aerator (41) is arranged on the side wall of the central shaft (21).

3. The washing device for the magnetic coagulation sedimentation tank using the submersible jet aerator as claimed in claim 2, wherein: the central shaft (21) is of a hollow structure, the top end of the central shaft (21) is an opening, and one end, far away from the mixing chamber (411), of the air inlet pipe (412) is communicated with the side wall of the central shaft (21).

4. The washing device for the magnetic coagulation sedimentation tank using the submersible jet aerator as claimed in claim 2, wherein: one end of the air inlet pipe (412) far away from the mixing chamber (411) extends towards the direction far away from the bottom wall of the sedimentation tank (1) and extends out of the sedimentation tank (1).

5. The washing device for the magnetic coagulation sedimentation tank using the submersible jet aerator as claimed in claim 2, wherein: the top end of the central shaft (21) is provided with a conductive slip ring (8), and a cable connected with the submersible jet aerator (41) is electrically connected with the conductive slip ring (8).

6. The washing device of the magnetic coagulation sedimentation tank using the submersible jet aerator as claimed in claim 3, wherein: the top end of the central shaft (21) is provided with a rain shade (71) for shading the opening of the central shaft (21).

7. The washing device of the magnetic coagulation sedimentation tank using the submersible jet aerator as claimed in claim 1, wherein: the spraying range of the submersible jet aerator (41) is not less than half of the length of the diagonal line of the body of the sedimentation tank (1).

8. The cleaning device for the magnetic coagulation sedimentation tank using the submerged jet aerator as claimed in any one of claims 1 to 7, wherein: a plurality of drainage channels (9) are arranged above the inclined tube body (122), the top end of each drainage channel (9) is open, two ends of each drainage channel (9) are fixedly connected with one corresponding inner side wall of the sedimentation tank (1), and drainage holes (14) communicated with the drainage channels (9) are formed in the side walls of the sedimentation tank (1).