CN111285513A

CN111285513A - High-efficient type sewage treatment system based on electrolysis air supporting

Info

Publication number: CN111285513A
Application number: CN202010228882.2A
Authority: CN
Inventors: 李桂华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2020-06-16

Abstract

The invention relates to an efficient sewage treatment system based on electrolytic air flotation, which comprises a water pool, a top plate, a rotating mechanism, a rotating shaft and a flow guide mechanism, wherein the rotating mechanism comprises a driving assembly, a power supply, a circular ring, a cleaning assembly and two scraping plates, the cleaning assembly comprises a sliding unit, a telescopic unit and two cleaning blocks, the flow guide mechanism comprises a first bevel gear, a first rotary wing, a supporting assembly and two flow guide assemblies, the flow guide assemblies comprise a second bevel gear, a rotary rod and a second rotary wing, the high-efficiency sewage treatment system based on the electrolytic air flotation drives the scraper, the electrode plate and the cleaning block to rotate through the rotating mechanism, not only expands the moving range of bubbles, but also cleans the electrode plate, and throws scum to the inner wall of the water tank, thereby facilitating the treatment, and in addition, the water flow is guided by the flow guide mechanism, so that the contact between impurities in the sewage and bubbles is promoted, and the purification efficiency is further improved.

Description

High-efficient type sewage treatment system based on electrolysis air supporting

Technical Field

The invention relates to the field of sewage treatment, in particular to an efficient sewage treatment system based on electrolytic air flotation.

Background

The electrolytic air floatation is a water treatment method which is characterized in that direct current is introduced into sewage, a large number of tiny hydrogen bubbles with the diameter of 18-90 microns are generated on the surface of a cathode in the sewage, the hydrogen bubbles are adhered to small suspended particles in the sewage to form a 'bubble particle' complex with the integral density smaller than that of the water, and the suspended particles float to the water surface along with the bubbles to form foam scum, so that suspended matters in the water can be separated.

However, in the operation process of the electrolytic air-flotation sewage treatment system in the prior art, because the position of the motor plate is fixed and unchanged, the moving range of bubbles generated around the electrode plate is limited, which results in that the bubbles can not be fully contacted with suspended matters in sewage, and the suspended impurities are driven to float to the liquid level, so that air-flotation purification is realized, the purification efficiency is reduced, moreover, after the device is operated for a long time, the surface of the electrode plate is easy to scale, the contact between the electrode plate and the sewage is influenced, not only the power consumption of the system is increased, but also the air leakage generated around the electrode plate is greatly reduced, and the electrolytic air-flotation efficiency is further.

Disclosure of Invention

Aiming at the prior art, the technical problems to be solved by the invention are as follows: in order to overcome the defects of the prior art, the high-efficiency sewage treatment system based on the electrolytic air flotation is provided.

In order to solve the technical problems, the technical scheme adopted by the invention for solving the technical problems is as follows: an efficient sewage treatment system based on electrolytic air flotation comprises a water tank, a top plate, a rotating mechanism, a rotating shaft and a flow guide mechanism, wherein a water drainage pipe is arranged at the bottom of the water tank, a valve is arranged in the water drainage pipe, pillars fixed above the water tank are arranged below two ends of the top plate, the top end of the rotating shaft is connected with the top plate through the rotating mechanism, and the bottom end of the rotating shaft is connected with the bottom of the inner side of the water tank through the flow guide mechanism;

the rotary mechanism comprises a driving assembly, a power supply, a ring, a cleaning assembly and two scraping plates, wherein the ring and a rotating shaft are connected with the driving assembly, the rotating shaft and the power supply are positioned on the inner side of the ring, the two scraping plates are respectively fixed on two sides of the bottom end of the ring, a plate electrode is arranged below each scraping plate, the power supply is electrically connected with the plate electrode, the cleaning assembly comprises a sliding unit, a telescopic unit and two cleaning blocks, the bottoms of the cleaning blocks are connected with the rotating shaft through the sliding unit, one cleaning block is connected with the rotating shaft through the telescopic unit, and magnets with attractive magnetic properties are arranged in the two cleaning blocks;

the flow guide mechanism comprises a first bevel gear, a first rotor wing, a supporting component and two flow guide component bodies, wherein the first bevel gear and the first rotor wing are sequentially fixed on the rotating shaft from bottom to top respectively, each flow guide component body comprises a second bevel gear meshed with the first bevel gear, a rotating rod fixedly connected with the second bevel gear and a second rotor wing fixed on the rotating rod, and the rotating rod is connected with the bottom of the inner side of the water pool through the supporting component body.

As preferred, rotate for drive pivot and scraper blade, drive assembly includes motor, drive gear, driven gear and first bearing, motor and first bearing are all fixed in the below of roof, the motor with drive gear transmission is connected, driven gear coaxial fixation in the pivot and with drive gear meshing, the bearing housing is established in the pivot, the inboard of ring be equipped with a plurality of circumference evenly distributed and with drive gear meshing's dogtooth.

Preferably, in order to support the circular ring to rotate stably, a plurality of sliding blocks are uniformly distributed in the circumferential direction on the periphery of the circular ring, and an annular dovetail groove connected with the sliding blocks in a sliding mode is arranged below the top plate.

Preferably, the telescopic unit is a rubber elastic sleeve for cleaning the electrode plate conveniently.

Preferably, in order to fix the moving direction of the electrode plate, the sliding unit is a support with two ends fixed on the rotating shaft, the bottom of each cleaning block is sleeved at two ends of the support, and one cleaning block far away from the rotating shaft in the two cleaning blocks abuts against the center of the support.

Preferably, in order to support the rotation of the rotating rod, the supporting assembly comprises a U-shaped frame, a vertical rod and a second bearing, rotating units connected with the rotating rod are arranged at two ends of the U-shaped frame, the top of the vertical rod is fixed below the U-shaped frame, and the bottom of the vertical rod is arranged in the second bearing fixed at the bottom of the inner side of the water pool.

Preferably, in order to support the rotating rod to rotate, the rotating unit comprises a sleeve ring sleeved on the rotating rod and fixedly connected with the U-shaped frame, and clamping plates positioned at two ends of the sleeve ring and fixed on the rotating rod.

Preferably, in order to prevent the rotating rod from deforming, a roller is arranged at one end of the rotating rod, which is far away from the rotating shaft, and an annular track for the roller on the rotating rod to roll is arranged on the inner wall of the water pool.

Preferably, in order to collect the scum, an annular filter screen is arranged on the inner wall of the pool.

Preferably, the height of the inner side of the screen is greater than the height of the outer side in order to ensure the collecting effect.

The efficient sewage treatment system based on the electrolytic air flotation has the advantages that the scraper, the electrode plate and the cleaning block are driven to rotate through the rotating mechanism, the moving range of bubbles is expanded, the electrode plate is cleaned, scum is thrown to the inner wall of the water tank, the treatment is convenient, in addition, water flow is guided to flow through the flow guide mechanism, sundries in the sewage are promoted to be contacted with the bubbles, and the purification efficiency is further improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic structural view of an efficient sewage treatment system based on electrolytic air flotation according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

FIG. 4 is an enlarged view of the portion C of FIG. 1

In the figure: 1. the water tank comprises a water tank, 2, a top plate, 3, a rotating shaft, 4, a water discharge pipe, 5, a power supply, 6, a circular ring, 7, a scraper, 8, an electrode plate, 9, a cleaning block, 10, a first bevel gear, 11, a first rotary wing, 12, a second bevel gear, 13, a rotating rod, 14, a motor, 15, a driving gear, 16, a driven gear, 17, a first bearing, 18, a convex tooth, 19, a sliding block, 20, a dovetail groove, 21, a rubber elastic sleeve, 22, a bracket, 23, a U-shaped frame, 24, a vertical rod, 25, a second bearing, 26, a lantern ring, 27, a clamping plate, 28, a roller, 29, a rail, 30, a filter screen, 31, a magnet and 32, and a second rotary wing.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in fig. 1, an efficient sewage treatment system based on electrolytic air flotation comprises a water tank 1, a top plate 2, a rotating mechanism, a rotating shaft 3 and a flow guide mechanism, wherein a drain pipe 4 is arranged at the bottom of the water tank 1, a valve is arranged in the drain pipe 4, pillars fixed above the water tank 1 are arranged below two ends of the top plate 2, the top end of the rotating shaft 3 is connected with the top plate 2 through the rotating mechanism, and the bottom end of the rotating shaft 3 is connected with the bottom of the inner side of the water tank 1 through the flow guide mechanism;

when the sewage treatment system is used, sewage is poured into the water tank 1, then the rotating mechanism below the top plate 2 is utilized to drive the rotating shaft 3 to rotate, and the diversion mechanism is driven to operate, the diversion mechanism is utilized to draw the water flow at the bottom of the water tank 1 to the center, then the water flow at the center is upwards lifted, the water flow is driven to flow outwards at the liquid level by the rotating mechanism after being lifted, the water flow at the bottom of the diversion mechanism is considered to the center, vortex and negative pressure are formed, the water flow at the edge of the liquid level in the water tank 1 flows downwards, so that the water flow is driven to flow circularly, electrolysis work is carried out by the rotating mechanism, micro bubbles are generated, the water flow is utilized to accelerate the contact of the bubbles and suspended matters in the water flow.

As shown in fig. 2-3, the rotating mechanism includes a driving assembly, a power supply 5, a ring 6, a cleaning assembly and two scrapers 7, the ring 6 and the rotating shaft 3 are both connected to the driving assembly, the rotating shaft 3 and the power supply 5 are both located inside the ring 6, the two scrapers 7 are respectively fixed to two sides of the bottom end of the ring 6, an electrode plate 8 is arranged below each scraper 7, the power supply 5 is electrically connected to the electrode plate 8, the cleaning assembly includes a sliding unit, a telescopic unit and two cleaning blocks 9, the bottoms of the cleaning blocks 9 are connected to the rotating shaft 3 through the sliding unit, one of the cleaning blocks 9 is connected to the rotating shaft 3 through the telescopic unit, and magnets 31 with attractive magnetic property are arranged in the two cleaning blocks 9;

in the rotating mechanism, a power supply 5 supplies power to two electrode plates 8, a driving assembly drives a circular ring 6 and a rotating shaft 3 to rotate in opposite directions, the circular ring 6 drives a scraper 7 below the circular ring to rotate at the position of the sewage liquid level, so that the electrode plates 8 below the scraper 7 rotate below the sewage liquid level, the rotating shaft 3 drives two cleaning blocks 9 to rotate through a sliding unit, so that the cleaning blocks 9 and the electrode plates 8 rotate relatively, the two cleaning blocks 9 are mutually attracted by two magnets 31 with attractive magnetism, when the electrode plates 8 rotate to a position between the two cleaning blocks 9, the two cleaning blocks 9 respectively clean two sides of the electrode plates 8, the cleaning blocks 9 are abutted against the electrode plates 8 through a telescopic unit, the cleaning effect is ensured, the dirt on the electrode plates 8 is removed, the electrode plates 8 are convenient to contact with the sewage, and the amount of micro bubbles generated on the two sides of the electrode plates, and through the rotation of plate electrode 8, enlarge the interactive scope of bubble around the plate electrode 8, the debris contact in bubble and the sewage of being convenient for drives the suspended solid come-up, forms the dross in sewage liquid level department, and sewage liquid level department simultaneously through the rotation of scraper blade 7 for the dross is influenced by centrifugal force and is kept away from pivot 3, leans on to 1 inner wall in pond, is convenient for clear up the dross of 1 inner wall side in pond.

As shown in fig. 4, the flow guiding mechanism comprises a first bevel gear 10, a first rotor 11, a support assembly and two flow guiding assemblies, wherein the first bevel gear 10 and the first rotor 11 are respectively fixed on the rotating shaft 3 from bottom to top in sequence, the flow guiding assemblies comprise a second bevel gear 12 meshed with the first bevel gear 10, a rotating rod 13 fixedly connected with the second bevel gear 12 and a second rotor 32 fixed on the rotating rod 13, and the rotating rod 13 is connected with the bottom of the inner side of the water tank 1 through the support assembly.

When pivot 3 is rotatory, it is rotatory to drive first rotor 11, produce the vortex, attract the sewage upflow of 1 bottom in pond, simultaneously pivot 3 drives first bevel gear 10 rotatory, act on with second bevel gear 12 after within, make bull stick 13 in round the axis revolution of pivot 3 under the effect of supporting component, axis rotation round self, and then it is rotatory to drive second rotor 32, be convenient for be close to the flow with the rivers of 1 inboard bottom in pond to center department, thus, through the rotation of first rotor 11 and second rotor 32, drive rivers circulation flow, be convenient for the suspended solid of aquatic and the bubble contact around 8 of plate electrode, air supporting purification treatment to sewage with higher speed.

As shown in fig. 2, the driving assembly includes a motor 14, a driving gear 15, a driven gear 16 and a first bearing 17, the motor 14 and the first bearing 17 are fixed below the top plate 2, the motor 14 is in transmission connection with the driving gear 15, the driven gear 16 is coaxially fixed on the rotating shaft 3 and is meshed with the driving gear 15, the bearing sleeve is arranged on the rotating shaft 3, and the inner side of the circular ring 6 is provided with a plurality of circumferentially evenly distributed convex teeth 18 meshed with the driving gear 15.

The motor 14 is started to rotate the driving gear 15, so that the driven gear 16 drives the rotating shaft 3 to rotate opposite to the driving gear 15, and the driving gear 15 acts on the circular ring 6 through the convex teeth 18 to drive the circular ring 6 to rotate in the same direction as the driving gear 15.

Preferably, in order to support the circular ring 6 to rotate stably, a plurality of circumferentially uniformly distributed sliding blocks 19 are arranged on the periphery of the circular ring 6, and an annular dovetail groove 20 connected with the sliding blocks 19 in a sliding manner is arranged below the top plate 2. The rotating track of the sliding block 19 is fixed by the annular dovetail groove 20 fixed below the top plate 2, so that the supporting ring 6 can rotate stably.

Preferably, the telescopic unit is a rubber elastic sleeve 21 for cleaning the electrode plate 8. The cleaning blocks 9 are supported by the rubber elastic sleeves 21, so that when the electrode plate 8 rotates to a position between the two cleaning blocks 9, the cleaning blocks 9 abut against the surface of the electrode plate 8 to clean the electrode plate 8.

As shown in fig. 3, the sliding unit is a U-shaped bracket 22 with two ends fixed on the rotating shaft 3, the bottom of the cleaning block 9 is sleeved on two ends of the bracket 22, and one cleaning block 9, which is far away from the rotating shaft 3, of the two cleaning blocks 9 abuts against the center of the bracket 22.

The sliding direction of the cleaning block 9 is fixed by the U-shaped bracket 22 fixed on the rotating shaft 3, so that the cleaning block 9 can slide around the two ends of the U-shaped bracket 22.

As shown in fig. 4, the supporting assembly comprises a U-shaped frame 23, a vertical rod 24 and a second bearing 25, wherein two ends of the U-shaped frame 23 are provided with a rotating unit connected with the rotating rod 13, the top of the vertical rod 24 is fixed below the U-shaped frame 23, and the bottom of the vertical rod 24 is arranged in the second bearing 25 fixed at the bottom of the inner side of the water pool 1.

The second bearing 25 fixed at the bottom of the inner side of the water pool 1 can support the vertical rod 24 to rotate, so that the U-shaped frame 23 can rotate conveniently, and the two ends of the U-shaped frame 23 can rotate stably through the rotating unit to facilitate the rotating rod 13 to rotate stably.

Preferably, in order to support the rotation of the rotation rod 13, the rotation unit includes a collar 26 sleeved on the rotation rod 13 and fixedly connected with the U-shaped frame 23, and clamping plates 27 positioned at both ends of the collar 26 and fixed on the rotation rod 13. The lantern ring 26 fixedly connected with the U-shaped frame 23 is used for supporting the rotating rod 13 to rotate under the support of the lantern ring 26, and meanwhile, the clamping plates 27 at the two ends of the lantern ring 26 are fixed on the rotating rod 13, so that the relative positions of the rotating rod 13 and the lantern ring 26 are limited, and the rotating rod 13 can rotate stably.

Preferably, in order to prevent the rotating rod 13 from deforming, a roller 28 is arranged at one end of the rotating rod 13 far away from the rotating shaft 3, and an annular track 29 for the roller 28 on the rotating rod 13 to roll is arranged on the inner wall of the water pool 1. The support rollers 28 are rotated by means of rails 29 fixed to the inner wall of the sump 1, thereby preventing the deformation of the rotation rod 13 connected to the rollers 28.

Preferably, in order to collect scum, the inner wall of the pool 1 is provided with an annular filter screen 30. The scum on the sewage liquid level is influenced by the centrifugal force and leans against the inner wall of the pool 1, and when water flows downwards, the scum is filtered through the filter screen 30, so that the scum is convenient to collect.

Preferably, the height of the inner side of the screen 30 is greater than the height of the outer side in order to secure the collecting effect. By adopting the design, when the water flow at the edge of the inner side of the pool 1 flows downwards, the scum flows downwards from the inner side of the filter screen 30, so that the scum is convenient to fall between the filter screen 30 and the inner wall of the pool 1 during drainage, and the collection effect is ensured.

This electrolysis air supporting sewage treatment system moves, drive plate electrode 8 through rotary mechanism, clean piece 9 and scraper blade 7 rotate, not only help clean plate electrode 8, guarantee the bubble volume around the plate electrode 8, and enlarge bubble home range, be convenient for with the contact of the suspended solid in the sewage, improve purifying effect, get rid of the dross of sewage liquid level department to 1 inner wall in pond simultaneously, be convenient for clear up, in addition, guide rivers circulation flow through water conservancy diversion mechanism, promote bubble and suspended solid contact, further improved electrolysis air supporting efficiency.

Compared with the prior art, this high-efficient type sewage treatment system based on electrolysis air supporting passes through rotary mechanism and drives scraper blade 7, plate electrode 8 and clean piece 9 and rotate, not only enlarges bubble home range, still cleans plate electrode 8 to get rid of the dross to 1 inner wall in pond, convenient processing, in addition, through water conservancy diversion mechanism guide rivers flow, promote debris and the bubble contact in the sewage, further improved purification efficiency.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a high-efficient type sewage treatment system based on electrolysis air supporting which characterized in that: the water-saving device comprises a water pool (1), a top plate (2), a rotating mechanism, a rotating shaft (3) and a flow guide mechanism, wherein a water drainage pipe (4) is arranged at the bottom of the water pool (1), a valve is arranged in the water drainage pipe (4), a support fixed above the water pool (1) is arranged below two ends of the top plate (2), the top end of the rotating shaft (3) is connected with the top plate (2) through the rotating mechanism, and the bottom end of the rotating shaft (3) is connected with the bottom of the inner side of the water pool (1) through the flow guide mechanism;

the rotating mechanism comprises a driving component, a power supply (5), a circular ring (6), a cleaning component and two scrapers (7), the circular ring (6) and the rotating shaft (3) are both connected with the driving component, the rotating shaft (3) and the power supply (5) are both positioned at the inner side of the circular ring (6), the two scraping plates (7) are respectively fixed at the two sides of the bottom end of the circular ring (6), an electrode plate (8) is arranged below the scraper (7), the power supply (5) is electrically connected with the electrode plate (8), the cleaning assembly comprises a sliding unit, a telescopic unit and two cleaning blocks (9), the bottoms of the cleaning blocks (9) are connected with the rotating shaft (3) through the sliding unit, one cleaning block (9) is connected with the rotating shaft (3) through the telescopic unit, and magnets (31) with attractive magnetism are arranged in the two cleaning blocks (9);

the flow guide mechanism comprises a first bevel gear (10), a first rotor wing (11), a supporting component and two flow guide components, wherein the first bevel gear (10) and the first rotor wing (11) are sequentially fixed on the rotating shaft (3) from bottom to top respectively, the flow guide components comprise a second bevel gear (12) meshed with the first bevel gear (10), a rotating rod (13) fixedly connected with the second bevel gear (12) and a second rotor wing (32) fixed on the rotating rod (13), and the rotating rod (13) is connected with the inner side bottom of the water pool (1) through the supporting component.

2. The high-efficiency sewage treatment system based on electrolytic air flotation of claim 1, wherein: drive assembly includes motor (14), drive gear (15), driven gear (16) and first bearing (17), motor (14) and first bearing (17) all are fixed in the below of roof (2), motor (14) with drive gear (15) transmission is connected, driven gear (16) coaxial fixation on pivot (3) and with drive gear (15) meshing, the bearing housing is established in pivot (3) is last, the inboard of ring (6) be equipped with a plurality of circumference evenly distributed and with protruding tooth (18) of drive gear (15) meshing.

3. The high-efficiency sewage treatment system based on electrolytic air flotation of claim 1, wherein: the periphery of ring (6) is equipped with a plurality of circumference evenly distributed's slider (19), the below of roof (2) be equipped with slider (19) sliding connection's cyclic annular dovetail (20).

4. The high-efficiency sewage treatment system based on electrolytic air flotation of claim 1, wherein: the telescopic unit is a rubber elastic sleeve (21).

5. The high-efficiency sewage treatment system based on electrolytic air flotation of claim 1, wherein: the sliding unit is U-shaped, two ends of the sliding unit are fixed on the support (22) on the rotating shaft (3), the bottom of each cleaning block (9) is sleeved at two ends of the support (22), and one cleaning block (9) far away from the rotating shaft (3) abuts against the center of the support (22) in the two cleaning blocks (9).

6. The high-efficiency sewage treatment system based on electrolytic air flotation of claim 1, wherein: the supporting component comprises a U-shaped frame (23), a vertical rod (24) and a second bearing (25), wherein rotating units connected with rotating rods (13) are arranged at two ends of the U-shaped frame (23), the top of the vertical rod (24) is fixed below the U-shaped frame (23), and the bottom of the vertical rod (24) is fixed in the second bearing (25) at the bottom of the inner side of the water pool (1).

7. The high-efficiency sewage treatment system based on electrolytic air flotation of claim 6, wherein: the rotating unit comprises a lantern ring (26) which is sleeved on the rotating rod (13) and is fixedly connected with the U-shaped frame (23) and clamping plates (27) which are positioned at two ends of the lantern ring (26) and are fixed on the rotating rod (13).

8. The high-efficiency sewage treatment system based on electrolytic air flotation of claim 1, wherein: the one end of bull stick (13) of keeping away from pivot (3) is equipped with gyro wheel (28), be equipped with on the inner wall in pond (1) and supply gyro wheel (28) rolling annular track (29) on bull stick (13).

9. The high-efficiency sewage treatment system based on electrolytic air flotation of claim 1, wherein: and an annular filter screen (30) is arranged on the inner wall of the water pool (1).

10. The high-efficiency sewage treatment system based on electrolytic air flotation of claim 9, wherein: the height of the inner side of the filter screen (30) is greater than the height of the outer side.