CN216890186U

CN216890186U - Air supporting sedimentation tank convenient to it is clean

Info

Publication number: CN216890186U
Application number: CN202220082550.2U
Authority: CN
Inventors: 左亚峰; 赵刚; 于永川; 左建英; 田懿; 孙晓东; 陈少卿; 王鸿志; 孙志宝; 郭亚妹
Original assignee: Sinosteel Shijiazhuang Engineering Design & Research Institute Co ltd
Current assignee: Sinosteel Shijiazhuang Engineering Design & Research Institute Co ltd
Priority date: 2022-01-13
Filing date: 2022-01-13
Publication date: 2022-07-05
Anticipated expiration: 2032-01-13

Abstract

The utility model discloses an air flotation sedimentation tank convenient to clean, which comprises an air flotation sedimentation tank body, wherein the top of the air flotation sedimentation tank body is of an open structure, a water inlet pipe is fixedly connected to the left side wall of the air flotation sedimentation tank body, a water outlet pipe is fixedly connected to the front side wall of the air flotation sedimentation tank body, a stop valve is fixedly mounted on the water outlet pipe, a gas pipe is fixedly mounted in the air flotation sedimentation tank body, a plurality of air outlet holes are formed in the gas pipe at equal intervals, one end of the gas pipe extends out of the air flotation sedimentation tank body, and an arc-shaped groove is formed in the inner wall of the bottom of the air flotation sedimentation tank body. The air flotation sedimentation tank has the advantages that the design is reasonable, the practicability is good, the inside of the air flotation sedimentation tank body can be automatically cleaned and decontaminated, dirt can be automatically discharged out of the air flotation sedimentation tank body, workers do not need to manually operate to clean and decontaminate the inside of the air flotation sedimentation tank body, the workload and the labor intensity are reduced, time and labor are saved, and the working efficiency is improved.

Description

Air supporting sedimentation tank convenient to it is clean

Technical Field

The utility model relates to the technical field of air floatation sedimentation tanks, in particular to an air floatation sedimentation tank convenient to clean.

Background

The air-float sedimentation tank is a tank which mainly uses a large amount of micro bubbles to capture and adsorb fine particle adhesive to enable the fine particle adhesive to float upwards so as to achieve the effect of solid-liquid separation.

When the air floatation sedimentation tank is used for treating the wastewater, as sundries and organic matters in the wastewater are more, after the air floatation sedimentation tank is used for a long time, more and more sundries are adhered to the wall of the air floatation sedimentation tank, the inner wall of the bottom of the air floatation sedimentation tank and the outer wall of the air conveying pipe, the sundries adhered to the outer wall of the air conveying pipe can easily cause the blockage of the air outlet, influence the discharge of air from the air conveying pipe and influence the normal use of the air floatation sedimentation tank, therefore, the interior of the air flotation sedimentation tank needs to be cleaned and decontaminated regularly, but most air flotation sedimentation tanks do not have the function of automatic cleaning and decontamination, workers need to put into the tanks and use tools to perform manual cleaning and decontamination operation, the manual cleaning and decontamination mode has the advantages of complex operation process, large workload, high labor intensity and low working efficiency, and therefore, an air flotation sedimentation tank convenient to clean is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the air floatation sedimentation tank convenient to clean, and solves the problems that the air floatation sedimentation tank does not have the automatic cleaning and decontamination function, workers need to put into the tank and use tools to perform manual cleaning and decontamination operation, and the manual cleaning and decontamination mode has the disadvantages of complicated operation process, large workload, high labor intensity and low working efficiency.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: an air flotation sedimentation tank convenient to clean comprises an air flotation sedimentation tank body, the top of the air flotation sedimentation tank body is of an open structure, a water inlet pipe is fixedly connected to the left side wall of the air flotation sedimentation tank body, a water outlet pipe is fixedly connected to the front side wall of the air flotation sedimentation tank body, a stop valve is fixedly mounted on the water outlet pipe, a gas pipe is fixedly mounted in the air flotation sedimentation tank body, a plurality of gas outlet holes are formed in the gas pipe at equal intervals, one end of the gas pipe extends out of the air flotation sedimentation tank body, an arc-shaped groove is formed in the inner wall of the bottom of the air flotation sedimentation tank body, a rotating shaft is rotatably mounted in the arc-shaped groove, a spiral conveying blade is fixedly mounted on the rotating shaft, a blow-off pipe is fixedly mounted on the front side wall of the air flotation sedimentation tank body and is communicated with the inside of the arc-shaped groove, a blow-off end cover is mounted on one end of the blow-off pipe far away from the air flotation sedimentation tank body, one end of the rotating shaft and one end of the spiral conveying blade both extend into the blow-off pipe, the rear side of air supporting sedimentation tank body is provided with the motor, has seted up the through-hole on the rear side inner wall of arc wall, and the blow off pipe was kept away from in the pivot one end run through the through-hole and with the output shaft fixed connection of motor, all seted up the rectangle spout on the front side inner wall of air supporting sedimentation tank body and the rear side inner wall, be provided with clearance mechanism on the air supporting sedimentation tank body.

Preferably, the clearance mechanism includes the crossbeam, the riser, the brush hair, horizontal scraper blade, two vertical scraper blades and drive assembly, the crossbeam is located the air supporting sedimentation tank body, riser fixed mounting is in the bottom of crossbeam in the corresponding rectangle spout at the both ends of crossbeam slidable mounting respectively, the round hole has been seted up to one side of riser, the round hole is run through to the one end of gas-supply pipe, brush hair fixed mounting is on the inner wall of round hole, the outer wall contact of brush hair and gas-supply pipe, horizontal scraper blade fixed mounting is in the bottom of riser, the bottom of horizontal scraper blade and the bottom inner wall sliding contact of air supporting sedimentation tank body, two vertical scraper blades are fixed mounting respectively at the both ends of horizontal scraper blade, the top of two vertical scraper blades all with the bottom fixed connection of crossbeam, one side that two vertical scraper blades kept away from each other respectively with the front side inner wall and the rear side inner wall sliding contact of air supporting sedimentation tank body.

Preferably, the transmission assembly comprises a driving bevel gear, a transmission shaft, a lower transmission bevel gear, an upper transmission bevel gear, two reciprocating lead screws, a driven bevel gear, two belt pulleys and a belt, a connecting hole is formed in the inner wall of the top of the through hole, the connecting hole is communicated with one of the two rectangular sliding grooves, the driving bevel gear is fixedly sleeved on the rotating shaft, the driving bevel gear is positioned in the through hole, the transmission shaft is rotatably installed in the connecting hole, two ends of the transmission shaft both extend out of the connecting hole, the lower transmission bevel gear is fixedly installed at the bottom end of the transmission shaft, the lower transmission bevel gear is engaged with the driving bevel gear, the upper transmission bevel gear is fixedly installed at the top end of the transmission shaft, the two reciprocating lead screws are respectively rotatably installed in the corresponding rectangular sliding grooves, the cross beam is threadedly sleeved on the two reciprocating lead screws, the driven bevel gear is fixedly sleeved on one of the two reciprocating lead screws, the upper transmission bevel gear is meshed with the driven bevel gear, the right ends of the two reciprocating screw rods extend out of the air floatation sedimentation tank body, the two belt pulleys are respectively and fixedly sleeved at the right ends of the corresponding reciprocating screw rods, and the belt is wound on the two belt pulleys.

Preferably, the transmission shaft is fixedly sleeved with a first sealing bearing, and an outer ring of the first sealing bearing is fixedly connected with the inner wall of the connecting hole.

Preferably, the rotating shaft is fixedly sleeved with a second sealing bearing, and an outer ring of the second sealing bearing is fixedly connected with the inner wall of the through hole.

Preferably, a supporting plate is fixedly installed on the outer wall of the rear side of the air floatation sedimentation tank body, and the motor is fixedly installed on the supporting plate.

(III) advantageous effects

The utility model provides an air flotation sedimentation tank convenient to clean. The method has the following beneficial effects:

(1) the air floatation sedimentation tank convenient to clean starts the motor to work by opening the sewage discharge end cover, utilizes the meshing transmission of the lower transmission bevel gear and the driving bevel gear and the meshing transmission of the upper transmission bevel gear and the driven bevel gear, and can control the rotating shaft and the two reciprocating screw rods to rotate simultaneously by matching the transmission action of the two belt pulleys and the belt, thereby controlling the beam, the vertical plate, the brush hair, the transverse scraper and the two vertical scrapers to gradually move horizontally and leftwards, dirt on the tank walls at the front side and the rear side of the air floatation sedimentation tank body can be scraped off, dirt adhered to the surface of the outer pipe wall of the air conveying pipe can be cleaned off by utilizing the brush hair, and the transverse scraper blade is utilized, can scrape the filth on the inner wall of air supporting sedimentation tank body bottom and to the direction propelling movement in the arc wall, can with this internal filth of air supporting sedimentation tank whole propelling movement to the arc wall in.

(2) This air supporting sedimentation tank convenient to it is clean through the rotation that utilizes pivot and spiral conveying material blade, and steerable filth that falls to in the arc wall is discharged from the blow off pipe, and then can clean the scrubbing automatically to air supporting sedimentation tank body inside, can be automatic outside this body with filth discharge air supporting sedimentation tank, does not need staff's manual operation to clean the scrubbing to air supporting sedimentation tank body inside.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic cross-sectional side view of the present invention.

In the figure: 1. an air flotation sedimentation tank body; 2. a water inlet pipe; 3. a water outlet pipe; 4. a gas delivery pipe; 5. an arc-shaped slot; 6. a rotating shaft; 7. a helical feeding blade; 8. a blow-off pipe; 9. a blowdown end cover; 10. a motor; 11. a rectangular chute; 12. a cross beam; 13. a vertical plate; 14. a circular hole; 15. brushing; 16. a transverse scraper; 17. a vertical scraper; 18. connecting holes; 19. a drive bevel gear; 20. a drive shaft; 21. a lower drive bevel gear; 22. an upper transmission bevel gear; 23. a reciprocating screw; 24. a driven bevel gear; 25. a belt pulley; 26. a belt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

As shown in fig. 1 to 4, the present invention provides a technical solution: an air flotation sedimentation tank convenient to clean comprises an air flotation sedimentation tank body 1, the top of the air flotation sedimentation tank body 1 is of an open structure, a water inlet pipe 2 is fixedly connected to the left side wall of the air flotation sedimentation tank body 1, a water outlet pipe 3 is fixedly connected to the front side wall of the air flotation sedimentation tank body 1, a stop valve is fixedly mounted on the water outlet pipe 3, a gas pipe 4 is fixedly mounted in the air flotation sedimentation tank body 1, a plurality of gas outlet holes are formed in the gas pipe 4 at equal intervals, one end of the gas pipe 4 extends out of the air flotation sedimentation tank body 1, an arc-shaped groove 5 is formed in the inner wall of the bottom of the air flotation sedimentation tank body 1, a rotating shaft 6 is rotatably mounted in the arc-shaped groove 5, a spiral conveying blade 7 is fixedly mounted on the rotating shaft 6, a blow-off pipe 8 is fixedly mounted on the front side wall of the air flotation sedimentation tank body 1, the blow-off pipe 8 is communicated with the interior of the arc-shaped groove 5, and a blow-off end cover 9 is mounted on one end of the blow-off pipe 8 far away from the air flotation sedimentation tank body 1 in a threaded manner, the one end of pivot 6 and the one end of spiral conveying blade 7 all extend to in the blow off pipe 8, the rear side of air supporting sedimentation tank body 1 is provided with motor 10, the through-hole has been seted up on the rear side inner wall of arc wall 5, the one end that blow off pipe 8 was kept away from in pivot 6 runs through the through-hole and with motor 10's output shaft end fixed connection, rectangle spout 11 has all been seted up on the front side inner wall of air supporting sedimentation tank body 1 and the rear side inner wall, be provided with clearance mechanism on the air supporting sedimentation tank body 1, can be to the pool wall of air supporting sedimentation tank body 1 through setting up clearance mechanism, bottom inner wall and gas-supply pipe 4's outer pipe wall carry out self-cleaning and scrubbing, through the rotation that utilizes pivot 6 and spiral conveying blade 7, steerable filth is discharged from blow off pipe 8.

In this embodiment, the cleaning mechanism includes a cross beam 12, a vertical plate 13, bristles 15, a horizontal scraper 16, two vertical scrapers 17 and a transmission assembly, the cross beam 12 is located the air floatation sedimentation tank body 1, the two ends of the cross beam 12 are respectively slidably mounted at the bottom of the cross beam 12 at the vertical plate 13 in the corresponding rectangular chutes 11, a round hole 14 is formed in one side of the vertical plate 13, the round hole 14 is penetrated through by one end of the air pipe 4, the bristles 15 are fixedly mounted on the inner wall of the round hole 14, the bristles 15 are made of steel wire materials, the bristles 15 are in contact with the outer wall of the air pipe 4, the horizontal scraper 16 is fixedly mounted at the bottom of the vertical plate 13, the bottom of the horizontal scraper 16 is in sliding contact with the inner wall of the bottom of the air floatation sedimentation tank body 1, the two vertical scrapers 17 are respectively fixedly mounted at the two ends of the horizontal scraper 16, the top ends of the two vertical scrapers 17 are respectively fixedly connected with the bottom of the cross beam 12, one side, the two vertical scrapers 17 are respectively kept away from each other and are respectively in sliding contact with the inner wall of the front side and the inner wall of the air floatation sedimentation tank body 1 and the inner wall of the rear side Sliding contact through utilizing horizontal scraper 16, can scrape the filth on the inner wall of air supporting sedimentation tank body 1 bottom and to the direction propelling movement in the arc wall 5, through utilizing two vertical scraper 17, can scrape the filth on the both sides pool wall around the air supporting sedimentation tank body 1, can clean the filth of the outer pipe wall surface adhesion of gas-supply pipe 4 through utilizing brush hair 15.

In this embodiment, the transmission assembly includes a driving bevel gear 19, a transmission shaft 20, a lower transmission bevel gear 21, an upper transmission bevel gear 22, two reciprocating lead screws 23, a driven bevel gear 24, two belt pulleys 25 and a belt 26, a connection hole 18 is formed on an inner wall of the top of the through hole, the connection hole 18 is communicated with one rectangular chute 11 of the two rectangular chutes 11, the driving bevel gear 19 is fixedly sleeved on the rotation shaft 6, the driving bevel gear 19 is located in the through hole, the transmission shaft 20 is rotatably installed in the connection hole 18, both ends of the transmission shaft 20 extend out of the connection hole 18, the lower transmission bevel gear 21 is fixedly installed at the bottom end of the transmission shaft 20, the lower transmission bevel gear 21 is engaged with the driving bevel gear 19, the upper transmission bevel gear 22 is fixedly installed at the top end of the transmission shaft 20, the two reciprocating lead screws 23 are respectively rotatably installed in the corresponding rectangular chutes 11, the cross beam 12 is threadedly sleeved on the two reciprocating lead screws 23, the fixed cover of driven bevel gear 24 is established on a reciprocal lead screw 23 in two reciprocal lead screws 23, go up transmission bevel gear 22 and driven bevel gear 24 mesh mutually, the right-hand member of two reciprocal lead screws 23 all extends to outside the air supporting sedimentation tank body 1, two belt pulleys 25 are fixed the right-hand member of establishing at corresponding reciprocal lead screw 23 respectively, belt 26 is around establishing on two belt pulleys 25, the model size of two reciprocal lead screws 23 is the same, through the meshing transmission that utilizes lower transmission bevel gear 21 and drive bevel gear 19, utilize the meshing transmission of going up transmission bevel gear 22 and driven bevel gear 24, and cooperate the transmission effect of two belt pulleys 25 and belt 26, steerable pivot 6 and two reciprocal lead screws 23 rotate simultaneously, and two reciprocal lead screws 23 carry out synchronous syntropy and rotate, and then steerable crossbeam 12 carries out the reciprocating motion of horizontal direction.

In this embodiment, the fixed cover is equipped with first sealed bearing on the transmission shaft 20, and the outer lane of first sealed bearing and the inner wall fixed connection of connecting hole 18 play the effect of supporting and fixing a position the mounted position of transmission shaft 20 through setting up first sealed bearing for transmission shaft 20 can steadily smoothly rotate.

In this embodiment, fixed cover is equipped with second seal bearing on the pivot 6, and second seal bearing's outer lane and the inner wall fixed connection of through-hole play the mounted position of pivot 6 and support and the effect of location through setting up second seal bearing for pivot 6 can steadily smoothly rotate, and utilize second seal bearing, can seal the clearance between pivot 6 and the through-hole.

In this embodiment, fixed mounting has the backup pad on the rear side outer wall of air supporting sedimentation tank body 1, and motor 10 fixed mounting plays the mounted position to motor 10 and supports and fixed effect through setting up the backup pad in the backup pad, and then makes things convenient for motor 10's installation fixed.

In this embodiment, a control switch is installed on the air flotation sedimentation tank body 1, the motor 10 and the control switch are electrically connected with an external power line through a wire to form a loop, the control switch can control the opening and closing of the motor 10, and one end of the air delivery pipe 4 is fixedly connected with an exhaust end of an external air supply device.

In this embodiment, two limit baffles are fixedly sleeved on the reciprocating screw 23 in the rectangular chute 11 on the inner wall of the front side of the air flotation sedimentation tank body 1, and are used for limiting the moving stroke of the cross beam 12.

When the cleaning device is used and the interior of the air floatation sedimentation tank body 1 needs to be cleaned, firstly, the stop valve on the water outlet pipe 3 is opened to drain sewage in the air floatation sedimentation tank body 1, then the sewage discharge end cover 9 is opened, the motor 10 is started to work, the motor 10 drives the rotating shaft 6, the spiral material conveying blade 7 and the driving bevel gear 19 to rotate, the two reciprocating lead screws 23 can be controlled to simultaneously rotate by utilizing the meshing transmission of the lower driving bevel gear 21 and the driving bevel gear 19 and utilizing the meshing transmission of the upper driving bevel gear 22 and the driven bevel gear 24 and matching the transmission action of the two belt pulleys 25 and the belt 26, so that the two reciprocating lead screws 23 synchronously rotate in the same direction, because the cross beam 12 is in threaded connection and matching with the two reciprocating lead screws 23, the cross beam 12 gradually moves horizontally to the left, and the cross beam 12 drives the vertical plate 13, the brush bristles 15, the transverse scraper 16 and the two vertical scrapers 17 to horizontally move to the left, the two vertical scrapers 17 can scrape off the dirt on the front and rear side walls of the air flotation sedimentation tank body 1, the brush 15 can clean off the dirt adhered to the surface of the outer pipe wall of the air delivery pipe 4, so that the dirt falls on the bottom inner wall of the air flotation sedimentation tank body 1, the transverse scraper 16 can scrape off the dirt on the bottom inner wall of the air flotation sedimentation tank body 1 and push the dirt to the direction in the arc-shaped groove 5, when the transverse scraper 16 moves to the position above the notch of the arc-shaped groove 5, the dirt in the air flotation sedimentation tank body 1 can be completely pushed into the arc-shaped groove 5, then the cross beam 12 horizontally moves rightwards, the dirt falling into the arc-shaped groove 5 can be conveyed to the direction of the sewage discharge pipe 8 by the rotation of the rotating shaft 6 and the spiral conveying blade 7, the dirt is discharged from the sewage discharge pipe 8, after the dirt in the arc-shaped groove 5 is discharged completely, and when the beam 12 horizontally moves rightwards to the rightmost position of the air flotation sedimentation tank body, the motor 10 stops working, and then the sewage discharge end cover 9 is screwed back to the sewage discharge pipe 8, so that the air flotation sedimentation tank body 1 can be continuously used for treating sewage, and the content which is not described in detail in the specification belongs to the prior art which is known by the professional in the field.

In conclusion, this be convenient for clear air supporting sedimentation tank can realize automatically cleaning the scrubbing to air supporting sedimentation tank body 1 inside, can be automatically with filth discharge air supporting sedimentation tank body 1 outside, does not need staff's manual operation to clean the scrubbing to air supporting sedimentation tank body 1 inside, has reduced work load and intensity of labour, and labour saving and time saving has improved work efficiency.

Claims

1. The utility model provides an air supporting sedimentation tank convenient to it is clean, includes air supporting sedimentation tank body (1), the top of air supporting sedimentation tank body (1) is the open structure, its characterized in that: the air flotation sedimentation tank comprises an air flotation sedimentation tank body (1), wherein a water inlet pipe (2) is fixedly connected to the left side wall of the air flotation sedimentation tank body (1), a water outlet pipe (3) is fixedly connected to the front side wall of the air flotation sedimentation tank body (1), a stop valve is fixedly mounted on the water outlet pipe (3), an air conveying pipe (4) is fixedly mounted in the air flotation sedimentation tank body (1), a plurality of air outlet holes are formed in the air conveying pipe (4) at equal intervals, one end of the air conveying pipe (4) extends out of the air flotation sedimentation tank body (1), an arc-shaped groove (5) is formed in the inner wall of the bottom of the air flotation sedimentation tank body (1), a rotating shaft (6) is mounted in the arc-shaped groove (5) in a rotating mode, a spiral conveying blade (7) is fixedly mounted on the rotating shaft (6), a drainage pipe (8) is fixedly mounted on the front side wall of the air flotation sedimentation tank body (1), and the drainage pipe (8) is communicated with the interior of the arc-shaped groove (5), the utility model discloses a sewage treatment device, including air supporting sedimentation tank body (1), blow off pipe (8), the one end screw thread that air supporting sedimentation tank body (1) was kept away from in blow off pipe (8) installs blowdown end cover (9), the one end of pivot (6) with the one end of spiral delivery material blade (7) all extends to in blow off pipe (8), the rear side of air supporting sedimentation tank body (1) is provided with motor (10), the through-hole has been seted up on the rear side inner wall of arc wall (5), the one end that blow off pipe (8) were kept away from in pivot (6) run through the through-hole and with the output shaft fixed connection of motor (10), rectangle spout (11) have all been seted up on the front side inner wall of air supporting sedimentation tank body (1) and the rear side inner wall, be provided with clearance mechanism on the air supporting sedimentation tank body (1).

2. The air flotation sedimentation tank convenient to clean as claimed in claim 1, wherein: the cleaning mechanism comprises a cross beam (12), a vertical plate (13), bristles (15), a transverse scraper (16), two vertical scrapers (17) and a transmission assembly, wherein the cross beam (12) is positioned in the air floatation sedimentation tank body (1), two ends of the cross beam (12) are respectively and slidably mounted in the corresponding rectangular sliding grooves (11), the vertical plate (13) is fixedly mounted at the bottom of the cross beam (12), a round hole (14) is formed in one side of the vertical plate (13), one end of the air conveying pipe (4) penetrates through the round hole (14), the bristles (15) are fixedly mounted on the inner wall of the round hole (14), the bristles (15) are in contact with the outer wall of the air conveying pipe (4), the transverse scraper (16) is fixedly mounted at the bottom of the vertical plate (13), the bottom of the transverse scraper (16) is in sliding contact with the inner wall of the bottom of the air floatation sedimentation tank body (1), two vertical scraper blade (17) respectively fixed mounting be in the both ends of horizontal scraper blade (16), two the top of vertical scraper blade (17) all with the bottom fixed connection of crossbeam (12), two one side that vertical scraper blade (17) kept away from each other respectively with the front side inner wall and the rear side inner wall sliding contact of air supporting sedimentation tank body (1).

3. An air flotation sedimentation tank facilitating cleaning according to claim 2, wherein: the transmission assembly comprises a driving bevel gear (19), a transmission shaft (20), a lower transmission bevel gear (21), an upper transmission bevel gear (22), two reciprocating screw rods (23), a driven bevel gear (24), two belt pulleys (25) and a belt (26), wherein a connecting hole (18) is formed in the inner wall of the top of the through hole, the connecting hole (18) is communicated with one rectangular sliding groove (11) in the two rectangular sliding grooves (11), the driving bevel gear (19) is fixedly sleeved on the rotating shaft (6), the driving bevel gear (19) is positioned in the through hole, the transmission shaft (20) is rotatably installed in the connecting hole (18), two ends of the transmission shaft (20) extend out of the connecting hole (18), the lower transmission bevel gear (21) is fixedly installed at the bottom end of the transmission shaft (20), and the lower transmission bevel gear (21) is meshed with the driving bevel gear (19), go up transmission bevel gear (22) fixed mounting and be in the top of transmission shaft (20), two reciprocal lead screw (23) rotate respectively and install corresponding in rectangle spout (11), crossbeam (12) thread bush is established two on reciprocal lead screw (23), driven bevel gear (24) fixed cover is established two on reciprocal lead screw (23) in reciprocal lead screw (23), go up transmission bevel gear (22) with driven bevel gear (24) mesh mutually, two the right-hand member of reciprocal lead screw (23) all extends to outside the air supporting sedimentation tank body (1), two belt pulley (25) are fixed the cover respectively and are established correspondingly the right-hand member of reciprocal lead screw (23), belt (26) are around establishing two on belt pulley (25).

4. An air flotation sedimentation tank convenient for cleaning according to claim 3, wherein: the transmission shaft (20) is fixedly sleeved with a first sealing bearing, and the outer ring of the first sealing bearing is fixedly connected with the inner wall of the connecting hole (18).

5. The air flotation sedimentation tank convenient to clean as claimed in claim 1, wherein: the rotating shaft (6) is fixedly sleeved with a second sealing bearing, and the outer ring of the second sealing bearing is fixedly connected with the inner wall of the through hole.

6. The air flotation sedimentation tank convenient to clean as claimed in claim 1, wherein: the air flotation sedimentation tank is characterized in that a supporting plate is fixedly installed on the outer wall of the rear side of the air flotation sedimentation tank body (1), and the motor (10) is fixedly installed on the supporting plate.