CN211644669U

CN211644669U - A air supporting pond for sewage treatment

Info

Publication number: CN211644669U
Application number: CN201922382525.7U
Authority: CN
Inventors: 余三洪
Original assignee: Yixing Hongjin Water Treatment Equipment Co ltd
Current assignee: Yixing Hongjin Water Treatment Equipment Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-10-09
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses an air supporting pond for sewage treatment relates to the sewage treatment field, which comprises an outer shell, the top of shell is connected with the mount, the motor is installed on the top of mount, the output of motor runs through the mount and extends to the internal connection of shell has the scum board, the top of scum board is connected with multiunit fence net, the outer wall of shell is located the below of mount and has seted up multiunit scum pipe, the below that the outer wall intermediate position of shell is located scum pipe is connected with the outlet pipe. The utility model discloses a scum board, motor, scum pipe and fence net that set up, impurity float to the air supporting pond along with the bubble after the top, the starter motor, the output of motor drives the multiunit scum board and rotates, and the scum board gathers together floating impurity and removes to the scum mouth, and fence net can block that impurity is too high to sweep over the scum board, has effectively solved the problem that impurity easily sweeps over unable clearance from the top of scum board.

Description

A air supporting pond for sewage treatment

Technical Field

The utility model relates to a sewage treatment field specifically is an air supporting pond for sewage treatment.

Background

The air floatation tank is another name of an air floatation machine, and the name of the air floatation machine is different from that of the south and north, the air floatation machine is water treatment equipment which generates a large amount of micro bubbles in water by a dissolved air system, leads air to be attached to suspended particles in a highly dispersed micro bubble form, causes the density to be lower than that of the water, and leads the air to float on the water surface by utilizing the buoyancy principle, thereby realizing solid-liquid separation. The air flotation machine is divided into a super-efficient shallow air flotation machine, a cavitation air flotation machine and a horizontal flow type air flotation machine. At present, the method is applied to the aspects of water supply, industrial wastewater and municipal sewage treatment. The air floatation machine has the advantages that the solid-liquid separation equipment has the characteristics of low investment, extremely small floor area, high automation degree, convenient operation and management and the like.

The air supporting pond that uses on the market today, dissolve the air supporting for the pressurization usually, make the air dissolve in aqueous under the pressurization condition, form cavity supersaturated state, then the ordinary pressure is arrived in the decompression, make the air precipitate, release in aqueous with the microbubble, realize the air supporting, but dissolve air water when mixing with the raw water, can't carry out abundant mixture, lead to the unable even distribution of bubble in the raw water, influence the treatment effect, and when using the scum ware to continue filtering impurity, make impurity reveal from the scum board easily, the influence is scraped the sediment effect.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that dissolved air water cannot be fully mixed with raw water and impurities easily pass over a slag scraping plate and cannot be cleaned, the air floatation tank for sewage treatment is provided.

In order to achieve the above object, the utility model provides a following technical scheme: an air floatation tank for sewage treatment comprises a shell, wherein the top end of the shell is connected with a fixed frame, the top end of the fixed frame is provided with a motor, the output end of the motor penetrates through the fixed frame and extends to the inside of the shell to be connected with a scraper, the top end of the scraper is connected with a plurality of groups of fence nets, the outer wall of the shell is positioned below the fixed frame and is provided with a plurality of groups of slag discharge pipes, the middle position of the outer wall of the shell is positioned below the slag discharge pipes and is connected with a water outlet pipe, the outer side of the bottom end of the shell is provided with a precipitation discharge pipe, the inner bottom end of the shell is connected with a mixing tank, the top end of the mixing tank is provided with a plurality of groups of through holes, the lower part of the shell is provided with a dissolved air water pipe, one side of the dissolved air water pipe is provided with a, the water distributor's the outside has been seted up the multiunit and has been dissolved the air water admission pipe, one side that the air water pipe was kept away from to the below of shell is provided with the former water pipe, one side of former water pipe is connected with the multicomponent separating tube, the multiunit the inside connection that the separating tube runs through the bottom of shell and extends to the shell has the water ring, multiunit raw water admission pipe has been seted up on the top of water ring.

Preferably, the slag discharge pipe and the slag scraping plate are positioned on the same horizontal line, and the diameter of the slag scraping plate is smaller than that of the inner wall of the shell.

Preferably, the bottom end of the shell is an inverted round table, and the mixing tank is located in the middle of the round table.

Preferably, the diameter of one side of the pressure reducing pipe close to the water pump is smaller than that of the side far away from the water pump, and the diameter of the pressure reducing pipe is larger than that of the dissolved air water pipe.

Preferably, the bottom end of the water distributor is provided with a clamping groove, and the water distributor is rotatably connected with a connecting pipe of the pressure reducing pipe through the clamping groove.

Preferably, the dissolved gas water inlet pipe and the outer wall of the water distributor are obliquely arranged, and the inclination angle of the dissolved gas water inlet pipe is thirty degrees.

Preferably, the water distributor is positioned inside the mixing tank, the water ring is positioned outside the water distributor, and the water distributor is positioned above the water ring.

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

1. the utility model comprises a mixing tank, a water distributor, a dissolved air water inlet pipe, a water ring, a raw water inlet pipe and a through hole, wherein the water pump is firstly opened to pump the dissolved air water in the dissolved air water pipe into the pressure reducing pipe, so that the air in the dissolved air water is separated out to form small bubbles, then the dissolved air water continuously enters the water distributor through the pipeline, the dissolved air water inlet pipe outside the water distributor is arranged in an inclined way, the dissolved air water is discharged from the dissolved air water inlet pipe to the water distributor, the water distributor is rotated, and the dissolved air water can be uniformly distributed in the mixing tank, meanwhile, raw water enters the water ring from the raw water pipe and enters the mixing tank through the raw water inlet pipe, the raw water rotates along with the dissolved air water under the driving of the dissolved air water, so that the raw water and the dissolved air water are fully mixed, and the raw water and the dissolved air water are mixed and then enter the shell through the through holes for reaction, thereby improving the efficiency of impurity precipitation in the raw water and effectively solving the problem that the dissolved air water cannot be fully mixed with the raw water;

2. through the scraper that sets up, including a motor, an end cap, a controller, and a cover plate, arrange sediment pipe and breast screen, impurity floats after the top in air supporting pond along with the bubble, the starter motor, the output of motor drives the multiunit scraper and rotates, the scraper gathers together floatable impurity and removes to row's cinder notch, impurity is piled up in one side of scraper and continuous thickening, the breast screen can block that impurity is too high to sweep over the scraper, after the scraper drives row's sediment pipe with impurity, impurity squeezes self through self pressure and squeezes into in arranging the sediment pipe, make impurity discharge through arranging the sediment pipe, the efficiency of clearance has been improved, the problem of the unable clearance of easily sweeping over from the top of scraper has effectively been solved.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic structural view of the mixing tank of the present invention;

FIG. 3 is a schematic view of the structure of the water distributor of the present invention;

FIG. 4 is a schematic view of the internal structure of the water distributor of the present invention;

FIG. 5 is a schematic view of the water ring structure of the present invention;

FIG. 6 is a schematic view of the raw water pipe structure of the present invention;

fig. 7 is a schematic structural view of the slag scraping plate of the present invention.

In the figure: 1. a housing; 2. a mixing tank; 3. a dissolved air water pipe; 4. a water pump; 5. a pressure reducing tube; 6. a water distributor; 7. a raw water pipe; 8. a separation tube; 9. a water ring; 10. a sediment discharge pipe; 11. a water outlet pipe; 12. A slag discharge pipe; 13. a fixed mount; 14. a motor; 15. a slag scraping plate; 16. a through hole; 17. a dissolved gas water inlet pipe; 18. a raw water inlet pipe; 19. a hurdle net.

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 work belong to the protection scope of the present invention.

The motor (model: 130SY) and the water pump (model: BQW) mentioned in the utility model can be purchased in the market or by private ordering.

Referring to fig. 1-7, an air floatation tank for sewage treatment comprises a housing 1, a fixed frame 13 connected to the top of the housing 1, a motor 14 installed on the top of the fixed frame 13, a slag scraping plate 15 connected to the inside of the housing 1 and having an output end of the motor 14 penetrating through the fixed frame 13, a plurality of barrier nets 19 connected to the top of the slag scraping plate 15, a plurality of slag discharging pipes 12 disposed below the fixed frame 13 on the outer wall of the housing 1, a water outlet pipe 11 connected to the middle position of the outer wall of the housing 1 and below the slag discharging pipes 12, a sediment discharging pipe 10 disposed outside the bottom of the housing 1, a mixing tank 2 connected to the bottom of the housing 1, a plurality of through holes 16 disposed at the top of the mixing tank 2, a dissolved air water pipe 3 disposed below the housing 1, a water pump 4 installed on one side of the dissolved air water pipe 3, a pressure reducing pipe 5 connected to the output end of the water pump 4 through a pipeline, a water distributor 6 connected to, the water-locator 6 the outside has been seted up the multiunit and has been dissolved air water admission pipe 17, and one side that the air water pipe 3 was kept away from to the below of shell 1 is provided with former water pipe 7, and one side of former water pipe 7 is connected with multicomponent knockout tube 8, and the internal connection that multicomponent knockout tube 8 runs through the bottom of shell 1 and extends to shell 1 has water ring 9, and multiunit former water admission pipe 18 has been seted up on the top of water ring 9.

Referring to fig. 1, the slag discharging pipe 12 and the slag scraping plate 15 are located on the same horizontal line, and the diameter of the slag scraping plate 15 is smaller than the diameter of the inner wall of the housing 1, so that the slag scraping plate 15 can rotate around the inner wall of the air flotation tank to accumulate floating impurities and discharge the floating impurities through the slag discharging pipe 12.

Please refer to fig. 1, the bottom of the housing 1 is an inverted circular truncated cone, and the mixing tank 2 is located at the middle position of the circular truncated cone, so that the heavier impurities in the raw water can be accumulated outside the mixing tank 2, and the impurities can be conveniently discharged from the sedimentation discharge pipe 10.

Please refer to fig. 1, the diameter of the pressure reducing pipe 5 near the water pump 4 is smaller than the diameter of the water pump 4, the diameter of the pressure reducing pipe 5 is larger than the diameter of the air dissolving water pipe 3, the pressure reducing pipe 5 can separate out the air in the air dissolving water, so that countless small bubbles are formed in the water, and the bubbles are convenient to combine with impurities.

Please refer to fig. 4, the bottom of the water distributor 6 is provided with a slot, the water distributor 6 is rotatably connected with the connecting pipe of the pressure reducing pipe 5 through the slot, so that the water distributor 6 is not fixed on the connecting pipe, the water distributor 6 can rotate, and the water in the mixing tank 2 can be uniformly distributed.

Please refer to fig. 3, the gas-dissolved water inlet pipe 17 and the outer wall of the water distributor 6 are disposed in an inclined manner, the angle of inclination of the gas-dissolved water inlet pipe 17 is thirty degrees, and when the gas-dissolved water is discharged from the gas-dissolved water discharge pipe 17, the water distributor 6 can be driven to rotate by the reaction force of the gas-dissolved water, so as to provide power for the water distributor 6.

Please refer to fig. 1, the water distributor 6 is located inside the mixing tank 2, the water ring 9 is located outside the water distributor 6, and the water distributor 6 is located above the water ring 9, so that the raw water can rotate under the driving of the dissolved air water after entering the mixing tank 2, the raw water and the dissolved air water are fully mixed, and the impurity precipitation efficiency is improved.

The working principle is as follows: firstly, the air flotation tank is connected with an external power supply to ensure that the air flotation tank can normally operate, firstly, a water pump 4 is opened to pump dissolved air water in a dissolved air water pipe 3 into a decompression pipe 5 to ensure that air in the dissolved air water is separated out to form small bubbles, then the dissolved air water continuously enters a water distributor 6 through a pipeline, a dissolved air water inlet pipe 17 at the outer side of the water distributor 6 is obliquely arranged, the dissolved air water is discharged out of the water distributor 6 from the dissolved air water inlet pipe 17, the water distributor 6 is rotated to ensure that the dissolved air water can be uniformly distributed in a mixing tank 2, meanwhile, raw water enters a water ring 9 from a raw water pipe 7 and enters the mixing tank 2 through a raw water inlet pipe 18, the raw water is driven by the rotated dissolved air water to rotate along with the raw water, the raw water and the dissolved air water are fully mixed, and then enter the shell 1 through a through hole 16 to react, and the efficiency of impurity separation in the raw water is improved, when impurity upwards floated to the top in air supporting pond along with the bubble, starter motor 14, the output of motor 14 drives multiunit scum board 15 and rotates, scum board 15 gathers together floated impurity and removes to scum pipe 12, impurity is piled up in one side of scum board 15 and continuous thickening, fence 19 can block that impurity is too high to sweep scum board 15, after scum board 15 drove scum pipe 12 with impurity, impurity is crowded the scum pipe 12 of impressing into with self through self pressure, in the air supporting pond of discharging impurity, the efficiency of clearance has been improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an air supporting pond for sewage treatment, includes shell (1), its characterized in that: the top end of the shell (1) is connected with a fixing frame (13), a motor (14) is installed at the top end of the fixing frame (13), the output end of the motor (14) penetrates through the fixing frame (13) and extends to the inside of the shell (1) to be connected with a scraper (15), the top end of the scraper (15) is connected with a plurality of groups of fence nets (19), the outer wall of the shell (1) is positioned below the fixing frame (13) to be provided with a plurality of groups of slag discharge pipes (12), the middle position of the outer wall of the shell (1) is positioned below the slag discharge pipes (12) to be connected with a water outlet pipe (11), the outer side of the bottom end of the shell (1) is provided with a precipitation discharge pipe (10), the inside bottom end of the shell (1) is connected with a mixing tank (2), the top end of the mixing tank (2) is provided with a plurality of groups of through holes, dissolve one side of gas water pipe (3) and install water pump (4), there is pressure reducing pipe (5) output of water pump (4) through the pipe connection, pressure reducing pipe (5) run through the bottom of shell (1) and extend to the internal connection of shell (1) have water-locator (6), the multiunit has been seted up in the outside of water-locator (6) and has been dissolved gas water admission pipe (17), one side of keeping away from below of shell (1) and dissolving gas water pipe (3) is provided with former water pipe (7), one side of former water pipe (7) is connected with multiunit stand-off pipe (8), multiunit the internal connection that stand-off pipe (8) run through the bottom of shell (1) and extend to shell (1) has water ring (9), multiunit admission pipe (18) have been seted up on the top of water ring (former water pipe (9).

2. The air flotation tank for sewage treatment as claimed in claim 1, wherein: the slag discharge pipe (12) and the slag scraping plate (15) are located on the same horizontal line, and the diameter of the slag scraping plate (15) is smaller than that of the inner wall of the shell (1).

3. The air flotation tank for sewage treatment as claimed in claim 1, wherein: the bottom end of the shell (1) is an inverted round table, and the mixing tank (2) is located in the middle of the round table.

4. The air flotation tank for sewage treatment as claimed in claim 1, wherein: the diameter of one side, close to the water pump (4), of the pressure reducing pipe (5) is smaller than that of one side, far away from the water pump (4), and the diameter of the pressure reducing pipe (5) is larger than that of the gas dissolving water pipe (3).

5. The air flotation tank for sewage treatment as claimed in claim 1, wherein: the bottom end of the water distributor (6) is provided with a clamping groove, and the water distributor (6) is rotatably connected with a connecting pipe of the pressure reducing pipe (5) through the clamping groove.

6. The air flotation tank for sewage treatment as claimed in claim 1, wherein: the dissolved gas water inlet pipe (17) and the outer wall of the water distributor (6) are obliquely arranged, and the inclination angle of the dissolved gas water inlet pipe (17) is thirty degrees.

7. The air flotation tank for sewage treatment as claimed in claim 1, wherein: the water distributor (6) is positioned in the mixing tank (2), the water ring (9) is positioned outside the water distributor (6), and the water distributor (6) is positioned above the water ring (9).