CN217264927U

CN217264927U - Dissolved air flotation machine

Info

Publication number: CN217264927U
Application number: CN202220736590.4U
Authority: CN
Inventors: 张素喜; 尹成军
Original assignee: Shandong Bilan Environmental Protection Equipment Co Ltd
Current assignee: Shandong Bilan Environmental Protection Equipment Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-08-23
Anticipated expiration: 2032-03-30

Abstract

The utility model discloses a dissolve gas air supporting machine, including air supporting pond, compressed gas jar and chain, the externally mounted in air supporting pond has the inlet tube, the below of inlet tube is provided with the compressed gas jar, the below of compressed gas jar is connected with the aeration pipe, the inside of aeration pipe is provided with the check valve, the inboard that the air supporting pond is close to aeration pipe one end is provided with first partition wall, the top of first partition wall is provided with the chain. This dissolved air flotation machine, during the use, install the filter screen earlier, aim at the draw-in groove with the one end of filter screen, draw on the pulling filter screen colludes in the alignment recess, open compressed gas jar again, make the gas in the compressed gas jar discharge from the mouth of pipe of aeration pipe, form the microbubble and adsorb on the residue, can suspend on the water surface by too much absorbent residue, recycle the chain and drive the residue of suspension of scraping away of the scraper blade in the stop collar, before the residue got into the sediment district, it rotates to open the motor drive threaded rod, the dish of scraping on the threaded rod promotes the mud sediment and moves to the sediment pipe.

Description

Dissolved air flotation machine

Technical Field

The utility model relates to an air supporting machine technical field specifically is dissolved air supporting machine.

Background

In life, the dissolved air flotation is mainly used for a sewage treatment system, is a new breakthrough in the sewage treatment system, and is suitable for treating water with low turbidity, high chroma, high organic matter content, low oil content and low surface active substance content or rich algae. Under the condition that the sudden aeration pipe releases air, the air dissolved in water is separated out to form a large amount of bubbles, the bubbles are fully contacted with suspended matters in the flocculating sewage and are adsorbed in the suspended matters collected by the flocculation in the slow rising process, so that the density of the bubbles is reduced and the bubbles float to the water surface, and the aim of removing residues is fulfilled. Compared with other air floatation modes, the air floatation device has the advantages of high hydraulic load, compact tank body and the like. However, the existing dissolved air flotation machine has some defects, such as:

1. after the scraper is cleaned of residues, the surface residues are easy to corrode the scraper and are not easy to disassemble and maintain;

2. when the residues are excessive, the residues are accumulated in a slag discharge area and easily block the pipe orifice of a slag discharge pipe;

3. when more substances with larger volume are accumulated at the filter screen fixedly installed, the filter screen is not easy to disassemble and clean;

therefore, improvements are made to the above-mentioned drawbacks.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a dissolved air flotation machine to solve the problems that after the scraping plate provided by the background technology is used for cleaning residues, the scraping plate is easy to corrode by the residues on the surface and is not easy to disassemble and maintain; when the residues are excessive, the residues are accumulated in a slag discharge area and easily block the pipe orifice of a slag discharge pipe; the filter screen of fixed mounting department, when piling up more great residue of volume, the difficult problem of dismantling the clearance.

In order to achieve the above object, the utility model provides a following technical scheme: dissolve gas air supporting machine, including air supporting pond, compressed gas jar and chain, the externally mounted in air supporting pond has the inlet tube, the below of inlet tube is provided with compressed gas jar, compressed gas jar's below is connected with the aeration pipe, the inside of aeration pipe is provided with the check valve, the inboard that the air supporting pond is close to aeration pipe one end is provided with first partition wall, the top of first partition wall is provided with the chain, one side of chain is provided with the stop collar, the inside of stop collar is provided with the scraper blade, the inside right side in air supporting pond is provided with the connecting pipe, one side of connecting pipe is provided with the outlet pipe, the bottom in air supporting pond is provided with the mud pipe.

Preferably, stop collar and scraper blade pass through bolted connection, and the scraper blade is "L" style of calligraphy, can gather the residue in one side of scraper blade, has improved the availability factor of scraper blade.

Preferably, the inside that the air supporting pond is close to the chain is provided with row's sediment district, the outside in sediment district is provided with the motor, the inside in sediment district is provided with the connection pad, and the connection pad makes the threaded rod more stable.

Preferably, two be connected with the threaded rod between the connection pad, the outside of threaded rod is provided with the frizing, the below of frizing is provided with the scum pipe, opens the motor back, and the frizing can be along with the threaded rod to the rotation about, promotes the residue to the motion of scum pipe, prevents the jam of scum pipe.

Preferably, the inner wall of the scraping disc is provided with threads, the threaded rod is in threaded connection with the scraping disc, and the threaded rod can rotate clockwise or anticlockwise to adjust the left and right movement of the scraping disc.

Preferably, the below of inlet tube is provided with the filter screen, the one end of filter screen is provided with draws and colludes, the inside in air supporting pond is provided with the second partition wall, and the staff of being convenient for of drawing of filter screen is taken out the filter screen.

Preferably, the second partition wall is internally provided with a groove butted with the pull hook, the air floatation tank is provided with a clamping groove butted with one end of the filter screen, the clamping groove is convenient for workers to install the filter screen, and the stability of the filter screen is improved.

Preferably, the groove is semicircular, and the cross-sectional dimension of one end of the filter screen is matched with the dimension of the clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that: this dissolved air flotation machine, during the use, install the filter screen earlier, aim at the draw-in groove with the one end of filter screen, draw on the pulling filter screen colludes in the alignment recess, open the compression gas pitcher again, make the gas in the compression gas pitcher discharge from the mouth of pipe of aeration pipe, form micro bubble and adsorb on the residue, can suspend on the water surface by too much absorbent residue, recycle the chain and drive the residue of scraping away the suspension in the scraper blade of stop collar, before the residue got into row sediment district, it drives the threaded rod and rotates to open the motor, the frizing on the threaded rod promotes the sediment and moves to row sediment pipe.

1. The dissolved air flotation machine is characterized in that a compressed air tank is opened, air in the compressed air tank is discharged from a pipe opening of an aeration pipe through a check valve to form micro bubbles to be adsorbed on residues, the excessively adsorbed residues can vertically and upwards suspend on the surface of a water body along a first partition wall, a chain is used for driving a scraper in a limiting sleeve to scrape off the suspended residues, otherwise, when the scraper is disassembled, a bolt penetrating through the scraper is detached, the scraper is pulled out along the inner part of the limiting sleeve, a new scraper is replaced, and the scraper on the chain is convenient to disassemble and clean;

2. according to the dissolved air flotation machine, before residues enter a residue discharge area, a motor is started to drive a threaded rod between two connecting discs to rotate, a scraping disc on the threaded rod pushes sludge to move towards a residue discharge pipe, the speed and efficiency of pollution discharge are increased, clear water in an air flotation tank can enter a connecting pipe arranged inside the air flotation tank, water in the connecting pipe is discharged along a water outlet pipe, and the residue discharge pipe is prevented from being blocked;

3. when the dissolved air flotation machine is used, the filter screen is arranged in the air flotation tank, one end of the filter screen is aligned to the clamping groove, the pull hook at the other end of the filter screen is pulled, the pull hook is aligned to the groove of the second partition wall, and the filter screen is placed below the water inlet pipe.

Drawings

FIG. 1 is a front view of the cutting structure of the present invention;

FIG. 2 is a schematic view of a cutting structure of the scraper of the present invention;

FIG. 3 is a schematic view of the three-dimensional structure of the scraper blade of the present invention;

FIG. 4 is a left-side sectional structure diagram of the deslagging area of the utility model;

FIG. 5 is a front view of the filter screen of the present invention;

in the figure: 1. an air flotation tank; 2. a water inlet pipe; 3. a compressed gas tank; 4. an aeration pipe; 5. a check valve; 6. A first dividing wall; 7. a chain; 8. a limiting sleeve; 9. a squeegee; 10. a bolt; 11. a connecting pipe; 12. A water outlet pipe; 13. a slag discharge area; 14. a motor; 15. a connecting disc; 16. a threaded rod; 17. a scraping disc; 18. A slag discharge pipe; 19. a sludge discharge pipe; 20. a filter screen; 21. pulling the hook; 22. a second dividing wall; 23. a groove; 24. a clamping groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: dissolve gas air supporting machine, including air supporting pond 1, compressed gas jar 3 and chain 7, the externally mounted in air supporting pond 1 has inlet tube 2, the below of inlet tube 2 is provided with compressed gas jar 3, compressed gas jar 3's below is connected with aeration pipe 4, aeration pipe 4's inside is provided with check valve 5, air supporting pond 1 is close to the inboard of aeration pipe 4 one end and is provided with first partition wall 6, the top of first partition wall 6 is provided with chain 7, one side of chain 7 is provided with stop collar 8, stop collar 8's inside is provided with scraper blade 9, air supporting pond 1's inside right side is provided with connecting pipe 11, one side of connecting pipe 11 is provided with outlet pipe 12, the bottom in air supporting pond 1 is provided with mud pipe 19.

The limiting sleeve 8 is connected with the scraper 9 through a bolt 10, and the scraper 9 is L-shaped.

Open compressed air tank 3, make the gas in compressed air tank 3 pass through check valve 5, discharge from the mouth of pipe of aeration pipe 4, form the microbubble and adsorb on the residue, can be along the vertical upwards suspension of first partition wall 6 on the water surface by too much absorbent residue, recycle chain 7 and drive scraper blade 9 in the stop collar 8 and scrape away the residue of suspension, on the contrary, when dismantling scraper blade 9, will run through bolt 10 on scraper blade 9 and lift off, extract scraper blade 9 along the inside of stop collar 8 again, change new scraper blade 9, clear water in the air supporting pond 1 can get into and install connecting pipe 11 in air supporting pond 1 inside, water in connecting pipe 11 then discharges along outlet pipe 12, the great residue of quality is because of descending in the bottom in air supporting pond 1, discharge along with mud pipe 19, the clearance is dismantled to scraper blade 9 on the chain 7 of being convenient for.

A slag discharge area 13 is arranged in the air floatation tank 1 close to the chain 7, a motor 14 is arranged outside the slag discharge area 13, and a connecting disc 15 is arranged in the slag discharge area 13; a threaded rod 16 is connected between the two connecting discs 15, a scraping disc 17 is arranged outside the threaded rod 16, and a slag discharge pipe 18 is arranged below the scraping disc 17; the size of the threaded rod 16 is matched with that of the scraping disc 17, and the threaded rod 16 is rotatably connected with the scraping disc 17.

Before the residue enters the residue discharge area 13, the motor 14 is started to drive the threaded rod 16 between the two connecting discs 15 to rotate, and the scraping disc 17 on the threaded rod 16 pushes the sludge to move towards the residue discharge pipe 18, so that the speed and efficiency of pollution discharge are increased, and the blockage of the residue discharge pipe 18 is prevented.

A filter screen 20 is arranged below the water inlet pipe 2, a pull hook 21 is arranged at one end of the filter screen 20, and a second partition wall 22 is arranged inside the air floatation tank 1; a groove 23 butted with the pull hook 21 is formed in the second partition wall 22, and a clamping groove 24 butted with one end of the filter screen 20 is formed in the air floatation tank 1; the groove 23 is semicircular, and the cross-sectional dimension of one end of the filter screen 20 is matched with the dimension of the clamping groove 24.

When the device is used, the filter screen 20 is firstly installed in the air flotation tank 1, one end of the filter screen 20 is aligned to the clamping groove 24, the pull hook 21 at the other end of the filter screen 20 is pulled, the pull hook 21 is aligned to the groove 23 of the second partition wall 22, the filter screen 20 is placed below the water inlet pipe 2, and sludge with large volume is prevented from entering the air flotation tank 1.

In summary, when the device is used, the filter screen 20 is installed in the air flotation tank 1, one end of the filter screen 20 is aligned with the clamping groove 24, the pull hook 21 at the other end of the filter screen 20 is pulled, the pull hook 21 is aligned with the groove 23 of the second partition wall 22, the filter screen 20 is placed below the water inlet pipe 2, the compressed air tank 3 is opened, air in the compressed air tank 3 is discharged from the nozzle of the aeration pipe 4 through the check valve 5 to form micro-bubbles to be adsorbed on the residues, the excessively adsorbed residues are suspended on the surface of the water body vertically and upwards along the first partition wall 6, the chain 7 is used for driving the scraper 9 in the limit sleeve 8 to scrape off the suspended residues, on the contrary, when the scraper 9 is disassembled, the bolt 10 penetrating through the scraper 9 is disassembled, the scraper 9 is pulled out along the inside of the limit sleeve 8, a new scraper 9 is replaced, and before the residues enter the residue discharge area 13, the motor 14 is started to drive the threaded rod 16 between the two connecting discs 15 to rotate, the scraping disc 17 on the threaded rod 16 pushes the sludge to move towards the sludge discharge pipe 18, clear water in the air floatation tank 1 can enter the connecting pipe 11 arranged in the air floatation tank 1, water in the connecting pipe 11 is discharged along the water outlet pipe 12, and residues with larger mass fall at the bottom of the air floatation tank 1 and are discharged along with the sludge discharge pipe 19.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Dissolve gas air supporting machine, including air supporting pond (1), compressed gas jar (3) and chain (7), its characterized in that:

the utility model discloses a sewage treatment device, including air supporting pond (1), the externally mounted of air supporting pond (1) has inlet tube (2), the below of inlet tube (2) is provided with compressed air tank (3), the below of compressed air tank (3) is connected with aeration pipe (4), the inside of aeration pipe (4) is provided with check valve (5), the inboard that air supporting pond (1) is close to aeration pipe (4) one end is provided with first partition wall (6), the top of first partition wall (6) is provided with chain (7), one side of chain (7) is provided with stop collar (8), the inside of stop collar (8) is provided with scraper blade (9), the inside of air supporting pond (1) is provided with connecting pipe (11), one side of connecting pipe (11) is provided with outlet pipe (12), the bottom of air supporting pond (1) is provided with mud pipe (19).

2. The dissolved air flotation machine according to claim 1, characterized in that: the limiting sleeve (8) is connected with the scraper (9) through a bolt (10), and the scraper (9) is L-shaped.

3. The dissolved air flotation machine according to claim 1, characterized in that: the inside that air supporting pond (1) is close to chain (7) is provided with row sediment district (13), the outside in row sediment district (13) is provided with motor (14), the inside in row sediment district (13) is provided with connection pad (15).

4. The dissolved air flotation machine according to claim 3, characterized in that: two be connected with threaded rod (16) between connection pad (15), the outside of threaded rod (16) is provided with scraping plate (17), the below of scraping plate (17) is provided with scum pipe (18).

5. The dissolved air flotation machine according to claim 4, characterized in that: the inner wall of the scraping disc (17) is provided with threads, and the threaded rod (16) is in threaded connection with the scraping disc (17).

6. The dissolved air flotation machine according to claim 1, characterized in that: a filter screen (20) is arranged below the water inlet pipe (2), a pull hook (21) is arranged at one end of the filter screen (20), and a second partition wall (22) is arranged inside the air floatation tank (1).

7. The dissolved air flotation machine according to claim 6, characterized in that: the air floatation tank is characterized in that a groove (23) butted with the pull hook (21) is formed in the second partition wall (22), and a clamping groove (24) butted with one end of the filter screen (20) is formed in the air floatation tank (1).

8. The dissolved air flotation machine according to claim 7, characterized in that: the groove (23) is semicircular, and the cross section of one end of the filter screen (20) is matched with the size of the clamping groove (24).