CN216377636U

CN216377636U - Foam treatment equipment for large-scale sewage treatment aeration tank

Info

Publication number: CN216377636U
Application number: CN202123205645.3U
Authority: CN
Inventors: 刘晓峰; 杨飞; 巩浩; 欧阳禄龙; 刘闯
Original assignee: China Construction Civil Engineering Co Ltd
Current assignee: China Construction Civil Engineering Co Ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-04-26
Anticipated expiration: 2031-12-20

Abstract

The utility model discloses a foam treatment device for a large-scale sewage treatment aeration tank, which comprises: the rectangular aeration tank, both sides are all fixed and are provided with the guide rail about the rectangular aeration tank upper end, and guide rail upside swing joint has the removal case, removal case downside middle part fixedly connected with T type slider. When the device is used, the air pump and the positive and negative motors are simultaneously started, the air pump forms negative pressure in the collection cover through the air guide pipe, foams at the top of the rectangular aeration tank are guided into the collection cover through air pressure difference, the foams collected by the collection cover are guided into the storage tank through the air guide pipe, the driving mechanism realizes the front and back reciprocating movement of the moving box under the matching of the trigger baffle, the reverse trigger switch and the positive trigger switch, so that the collection cover can realize the front and back reciprocating movement, the foams at the top of the rectangular aeration tank can be pumped out in a reciprocating manner, the accumulation of the foams is prevented, and the foam treatment efficiency is greatly improved.

Description

Foam treatment equipment for large-scale sewage treatment aeration tank

Technical Field

The utility model belongs to the technical field of sewage treatment, and particularly relates to a foam treatment device for a large sewage treatment aeration tank.

Background

The aeration tank is a biochemical reactor designed by people according to the characteristics of microorganisms, the degradation degree of organic pollutants is mainly determined by the aeration reaction conditions designed by people, the aeration tank utilizes an activated sludge method to treat sewage, certain sewage retention time is provided in the tank, and the oxygen quantity required by aerobic microorganisms and the mixing conditions of full contact of sewage and activated sludge are met. The aeration tank mainly comprises a tank body, an aeration system and a water inlet and a water outlet. The tank body is generally made of reinforced concrete, the plane shape of the tank body is rectangular, square, circular and the like, and the generated foam in the aeration tank can influence the sewage treatment efficiency and should be removed in time.

However, the existing foam treatment equipment for the large-scale sewage treatment aeration tank has some problems: the existing foam treatment equipment for the large-scale sewage treatment aeration tank is easy to cause foam accumulation when foam is treated, the foam cannot be treated in time, and the foam treatment efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide foam treatment equipment for a large sewage treatment aeration tank, which aims to solve the technical problems that foam accumulation is easy to cause when the foam treatment equipment of the sewage treatment aeration tank treats foam, the foam cannot be treated in time and the foam treatment efficiency is low.

The technical scheme for solving the technical problems is as follows: a foam treatment device for a large sewage treatment aeration tank comprises a rectangular aeration tank, guide rails are fixedly arranged on the left side and the right side of the upper end of the rectangular aeration tank, the upper side of the guide rail is movably connected with a movable box, the middle part of the lower side of the movable box is fixedly connected with a T-shaped sliding block, the upper surface of the guide rail is provided with a T-shaped sliding groove corresponding to the T-shaped sliding block, the middle of the left and right moving boxes is fixedly connected with a connecting box, one side of the moving box far away from the connecting box is fixedly connected with a connecting column, and one end of the connecting column far away from the movable box is fixedly connected with a storage box, the left and right ends of the lower side of the connecting box are both provided with a collecting cover, and the upper end of the collecting cover is communicated with an air duct, one end of the air duct far away from the collecting cover passes through the connecting box and is communicated with an air extracting pump, and the output end of the air pump is communicated with the upper end of one side of the storage box, and the lower end of one side of the storage box is provided with a discharge pipe.

And driving mechanisms are arranged in the connecting box and the moving box, and stirring mechanisms are arranged in the air guide pipes.

The utility model adopts the foam treatment equipment for the large-scale sewage treatment aeration tank, and further comprises the following steps: actuating mechanism includes positive and negative motor, positive and negative motor is fixed to be set up in connecting box rear side middle part, and the output at positive and negative motor front side middle part is connected with first pivot, the lateral wall behind the connecting box is run through to first pivot front end, and the first bevel gear of first pivot front end fixedly connected with in the connecting box, the meshing of first bevel gear one side is connected with second bevel gear, and second bevel gear wears to be equipped with the second pivot with the connecting box syntropy in the middle part, two air ducts and extend to about two removal incasement about two are run through respectively to both ends about the second pivot, second pivot tip is at removal incasement fixedly connected with removal wheel.

The utility model adopts the foam treatment equipment for the large-scale sewage treatment aeration tank, and further comprises the following steps: the movable wheel comprises a built-in wheel, the left side and the right side of the built-in wheel are symmetrically and fixedly connected with an outer expanding wheel, one outer expanding wheel is far away from the middle of one side of the built-in wheel and is fixedly connected with the end part of the second rotating shaft, the diameter of the outer expanding wheel is larger than that of the built-in wheel, the bottom wall of the movable box and the outer expanding wheel are correspondingly provided with through holes, the bottom of the outer expanding wheel extends out of the movable box through the through holes, and the parts of the two outer expanding wheels extending out of the movable box are respectively positioned on the left side and the right side of the T-shaped sliding block.

The utility model adopts the foam treatment equipment for the large-scale sewage treatment aeration tank, and further comprises the following steps: and bearings are arranged at the joint of the first rotating shaft and the connecting box and the joint of the second rotating shaft, the moving box and the air duct.

The utility model adopts the foam treatment equipment for the large-scale sewage treatment aeration tank, and further comprises the following steps: mix the mechanism and include the stirring ball, the fixed cover of stirring ball is located second pivot outside surface, and the fixed stirring tentacle that is provided with evenly distributed of stirring ball outside surface.

The utility model adopts the foam treatment equipment for the large-scale sewage treatment aeration tank, and further comprises the following steps: the front end and the rear end of one guide rail are symmetrically and fixedly connected with trigger baffles, and the middle parts of the front side and the rear side of the movable box positioned on the two trigger baffles are respectively provided with a reverse trigger switch and a forward trigger switch.

The utility model adopts the foam treatment equipment for the large-scale sewage treatment aeration tank, and further comprises the following steps: the height of the reverse trigger switch and the height of the forward trigger switch are both lower than the height of the top of the trigger baffle, and the reverse trigger switch and the forward trigger switch are both electrically connected with the positive and negative motors.

The utility model has the beneficial effects that:

1. when the device is used, the air pump and the positive and negative motors are simultaneously started, negative pressure is formed in the collection cover through the air guide pipe by the air pump, foam at the top of the rectangular aeration tank is guided into the collection cover through air pressure difference, the foam collected by the collection cover is guided into the storage box through the air guide pipe, the positive and negative motors drive the first rotating shaft to rotate, the first rotating shaft drives the second rotating shaft to rotate through the matching of the first bevel gear and the second bevel gear, the second rotating shaft drives the moving wheel to rotate, so that the moving box moves along the guide rail, and the forward and backward reciprocating movement of the moving box is realized under the matching of the trigger baffle, the reverse trigger switch and the forward trigger switch, so that the forward and backward reciprocating movement of the collection cover is realized, the foam at the top of the rectangular aeration tank can be extracted in a reciprocating manner, the accumulation of the foam is prevented, and the foam treatment efficiency is greatly improved.

2. The stirring ball arranged in the foam extracting device can rotate under the driving of the second rotating shaft, so that foam in the air guide pipe is stirred, impurities in the foam are prevented from being accumulated in the air guide pipe to influence the foam extracting efficiency, the second rotating shaft is driven by the positive and negative motors, and a driving device is not required to be additionally arranged for the stirring ball, so that the cost and the energy consumption are reduced.

Drawings

The above and/or other advantages of the utility model will become more apparent and more readily appreciated from the following detailed description taken in conjunction with the accompanying drawings, which are given by way of illustration only and not by way of limitation, and in which:

FIG. 1 is a schematic perspective view of a foam treatment apparatus for a large-scale sewage treatment aeration tank according to an embodiment of the present invention;

FIG. 2 is a schematic top sectional view of a mobile box and a connecting box according to an embodiment of the present invention;

fig. 3 is a sectional front view of the movable box and the connecting box according to one embodiment of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a rectangular aeration tank; 2. a guide rail; 3. a T-shaped chute; 4. a mobile box; 401. perforating; 5. a T-shaped slider; 6. a connecting box; 7. connecting columns; 8. a storage tank; 9. an air duct; 10. a collection hood; 11. an air pump; 12. a discharge pipe; 13. a positive and negative motor; 14. a first rotating shaft; 15. a first bevel gear; 16. a second bevel gear; 17. a second rotating shaft; 18. a built-in wheel; 19. an outward expanding wheel; 20. stirring balls; 21. triggering a baffle; 22. a reverse trigger switch; 23. the switch is triggered in the forward direction.

Detailed Description

Hereinafter, embodiments of the foam treatment apparatus for a large-scale sewage treatment aeration tank according to the present invention will be described with reference to the accompanying drawings.

The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the utility model. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.

The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the utility model. Like reference numerals are used to denote like parts.

Fig. 1 to 3 show a foam treatment apparatus for a large-scale sewage treatment aeration tank according to an embodiment of the present invention, which includes: a rectangular aeration tank 1, guide rails 2 are fixedly arranged on the left side and the right side of the upper end of the rectangular aeration tank 1, and the upper side of the guide rail 2 is movably connected with a movable box 4, the middle part of the lower side of the movable box 4 is fixedly connected with a T-shaped slide block 5, the upper surface of the guide rail 2 is provided with a T-shaped sliding chute 3 corresponding to the T-shaped sliding block 5, the middle of the left and right movable boxes 4 is fixedly connected with a connecting box 6, one side of each movable box 4 far away from the connecting box 6 is fixedly connected with a connecting column 7, and one end of the connecting column 7 far away from the movable box 4 is fixedly connected with a storage box 8, the left and right ends of the lower side of the connecting box 6 are provided with collecting covers 10, and the upper end of the collecting hood 10 is communicated with an air duct 9, one end of the air duct 9 far away from the collecting hood 10 passes through the connecting box 6 and is communicated with an air extracting pump 11, and the output end of the air pump 11 is communicated with the upper end of one side of the storage tank 8, and the lower end of one side of the storage tank 8 is provided with a discharge pipe 12.

And driving mechanisms are arranged in the connecting box 6 and the moving box 4, and a stirring mechanism is arranged in the air duct 9.

The driving mechanism comprises a positive and negative motor 13, the positive and negative motor 13 is fixedly arranged in the middle of the rear side of the connecting box 6, the output end of the middle of the front side of the positive and negative motor 13 is connected with a first rotating shaft 14, the front end of the first rotating shaft 14 penetrates through the rear side wall of the connecting box 6, the front end of the first rotating shaft 14 is fixedly connected with a first bevel gear 15 in the connecting box 6, one side of the first bevel gear 15 is engaged with a second bevel gear 16, a second rotating shaft 17 which is in the same direction with the connecting box 6 is arranged in the middle of the second bevel gear 16 in a penetrating manner, the left end and the right end of the second rotating shaft 17 respectively penetrate through the left air duct and the right air duct 9 and extend into the left moving box 4 and the right moving box 4, the end of the second rotating shaft 17 is fixedly connected with a moving wheel in the moving box 4, the moving wheel comprises a built-in wheel 18, the left side and the right side of the built-in wheel 18 are symmetrically and fixedly connected with an external expanding wheel 19, and the end of the middle of one side of the built-in a far away from the built-in wheel 18 is fixedly connected with the end of the second rotating shaft 17, the diameter of the outward expanding wheels 19 is larger than that of the internal wheels 18, through holes 401 are formed in the bottom wall of the movable box 4 and correspond to the outward expanding wheels 19, the bottoms of the outward expanding wheels 19 extend out of the movable box 4 through the through holes 401, and the parts of the two outward expanding wheels 19 extending out of the movable box 4 are respectively located on the left side and the right side of the T-shaped sliding block 5.

The joints of the first rotating shaft 14 and the connecting box 6 and the joints of the second rotating shaft 17, the moving box 4 and the air duct 9 are provided with bearings, and the first rotating shaft 14 and the second rotating shaft 17 can rotate more smoothly through the arrangement of the bearings.

Mix the mechanism and include agitator ball 20, second pivot 17 outside surface is located to agitator ball 20 fixed cover, and agitator ball 20 outside fixed surface is provided with evenly distributed's stirring tentacle.

One both ends symmetry fixedly connected with trigger baffle 21 around the guide rail 2, the both sides middle part is provided with reverse trigger switch 22 and forward trigger switch 23 respectively around being located two trigger baffle 21's removal case 4, and is specific, reverse trigger switch 22 and forward trigger switch 23 highly all are less than the height at trigger baffle 21 top, and reverse trigger switch 22 and the equal electric connection positive and negative motor 13 of forward trigger switch 23.

The working principle is as follows:

when the device is used, the air suction pump 11 and the positive and negative motor 13 are started simultaneously, the air suction pump 11 forms negative pressure in the collection cover 10 through the air duct 9, foam at the top of the rectangular aeration tank 1 is guided into the collection cover 10 through air pressure difference, the foam collected by the collection cover 10 is guided into the storage tank 8 through the air duct 9, the positive and negative motor 13 drives the first rotating shaft 14 to rotate, the first rotating shaft 14 drives the second rotating shaft 17 to rotate through the cooperation of the first bevel gear 15 and the second bevel gear 16, the second rotating shaft 17 drives the moving wheel to rotate so as to enable the moving box 4 to move along the guide rail 2, and the back and forth reciprocating movement of the moving box 4 is realized under the cooperation of the trigger baffle 21, the reverse trigger switch 22 and the positive trigger switch 23 (the specific process is that when the reverse trigger switch 22 touches the trigger baffle 21 at the front side, the reverse trigger switch 22 controls the positive and negative motor 13 to reverse, thereby make the movable box 4 remove to the rear, when forward trigger switch 23 touched the trigger baffle 21 of rear side, forward trigger switch 23 control positive and negative motor 13 corotation to make movable box 4 remove to the place ahead, and then realized movable box 4's reciprocating motion), cause to realize collecting cover 10 and carry out reciprocating motion all around, and then can reciprocate to take out the foam at rectangle aeration tank 1 top, prevent that the foam from piling up, improved the efficiency of foam treatment greatly.

The stirring ball 20 arranged in the foam extracting device can rotate under the driving of the second rotating shaft 17, so that foam in the air guide pipe 9 is stirred, impurities in the foam are prevented from being accumulated in the air guide pipe 9 to influence the foam extracting efficiency, the second rotating shaft 17 is driven by the positive and negative motor 13, a driving device is not required to be additionally arranged on the stirring ball 20, and the cost and the energy consumption are reduced.

The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the utility model, so as to achieve the purpose of the utility model.

Claims

1. A foam treatment device for a large-scale sewage treatment aeration tank is characterized by comprising: the rectangular aeration tank (1), guide rails (2) are fixedly arranged on the left side and the right side of the upper end of the rectangular aeration tank (1), a moving box (4) is movably connected to the upper side of each guide rail (2), a T-shaped sliding block (5) is fixedly connected to the middle of the lower side of each moving box (4), a T-shaped sliding groove (3) is formed in the upper surface of each guide rail (2) and corresponds to the T-shaped sliding block (5), a connecting box (6) is fixedly connected to the middle of each moving box (4), a connecting column (7) is fixedly connected to one side, far away from the connecting box (6), of each moving box (4), a storage box (8) is fixedly connected to one end, far away from the moving box (4), of each connecting column (7), a collecting cover (10) is arranged at the left end and the right end of the lower side of each connecting box (6), an air guide tube (9) is communicated with the upper end of each collecting cover (10), the air guide tube (9) penetrates through the connecting box (6) and is communicated with an air pump (11), the output end of the air pump (11) is communicated with the upper end of one side of the storage tank (8), and the lower end of one side of the storage tank (8) is provided with a discharge pipe (12);

and driving mechanisms are arranged in the connecting box (6) and the moving box (4), and a stirring mechanism is arranged in the air guide pipe (9).

2. The foam treatment equipment for the large-scale sewage treatment aeration tank according to claim 1, wherein the driving mechanism comprises a positive and negative motor (13), the positive and negative motor (13) is fixedly arranged in the middle of the rear side of the connecting box (6), the output end of the middle of the front side of the positive and negative motor (13) is connected with a first rotating shaft (14), the front end of the first rotating shaft (14) penetrates through the rear side wall of the connecting box (6), the front end of the first rotating shaft (14) is fixedly connected with a first bevel gear (15) in the connecting box (6), one side of the first bevel gear (15) is engaged with a second bevel gear (16), the middle of the second bevel gear (16) is penetrated with a second rotating shaft (17) in the same direction with the connecting box (6), the left end and the right end of the second rotating shaft (17) respectively penetrate through the left air duct (9) and the right air duct (9) and extend into the left moving box (4) and the right moving box (4), the end part of the second rotating shaft (17) is fixedly connected with a moving wheel in the moving box (4).

3. The foam treatment equipment for the large-scale sewage treatment aeration tank according to claim 2, wherein the movable wheel comprises an internal wheel (18), the left side and the right side of the internal wheel (18) are symmetrically and fixedly connected with external expanding wheels (19), the middle part of one side of one external expanding wheel (19) far away from the internal wheel (18) is fixedly connected with the end part of the second rotating shaft (17), the diameter of the external expanding wheel (19) is larger than that of the internal wheel (18), the bottom wall of the movable box (4) and the external expanding wheel (19) are correspondingly provided with through holes (401), the bottom of the external expanding wheel (19) extends out of the movable box (4) through the through holes (401), and the parts of the two external expanding wheels (19) extending out of the movable box (4) are respectively positioned on the left side and the right side of the T-shaped sliding block (5).

4. The foam treatment equipment for the large-scale sewage treatment aeration tank according to the claim 2, characterized in that the joints of the first rotating shaft (14) and the connecting box (6) and the joints of the second rotating shaft (17) and the moving box (4) and the air duct (9) are provided with bearings.

5. The foam treatment equipment for the large-scale sewage treatment aeration tank according to claim 1, wherein the stirring mechanism comprises a stirring ball (20), the stirring ball (20) is fixedly sleeved on the outer side surface of the second rotating shaft (17), and uniformly distributed stirring tentacles are fixedly arranged on the outer side surface of the stirring ball (20).

6. The foam treatment equipment for the large-scale sewage treatment aeration tank according to claim 1, wherein the front and rear ends of one guide rail (2) are symmetrically and fixedly connected with trigger baffles (21), and the middle parts of the front and rear sides of the movable box (4) of the two trigger baffles (21) are respectively provided with a reverse trigger switch (22) and a forward trigger switch (23).

7. The foam treatment equipment for the large-scale sewage treatment aeration tank according to claim 6, wherein the height of the reverse trigger switch (22) and the height of the forward trigger switch (23) are both lower than the height of the top of the trigger baffle (21), and the reverse trigger switch (22) and the forward trigger switch (23) are both electrically connected with the forward and reverse motor (13).