CN217535742U

CN217535742U - Pre-aeration tank

Info

Publication number: CN217535742U
Application number: CN202221010642.6U
Authority: CN
Inventors: 李彦滨
Original assignee: Zhejiang Maitu Environmental Protection Technology Co ltd
Current assignee: Zhejiang Maitu Environmental Protection Technology Co ltd
Priority date: 2022-04-28
Filing date: 2022-04-28
Publication date: 2022-10-04
Anticipated expiration: 2032-04-28

Abstract

The utility model discloses a preaeration tank, including the aeration tank body, both sides are equipped with the defoaming pond around the aeration tank body, and the upper portion of aeration tank body is equipped with moves bubble mechanism, moves bubble mechanism and can be equipped with defoaming mechanism in the defoaming pond for aeration tank body back-and-forth movement, defoaming pond. The utility model discloses can in time skim the defoaming to the froth.

Description

Pre-aeration tank

Technical Field

The utility model relates to an aeration equipment technical field especially relates to a preaeration tank.

Background

An aeration tank (aeration basin) is a biochemical reactor designed according to the characteristics of microorganisms, and the degradation degree of organic pollutants mainly depends on the designed aeration reaction conditions. The aeration tank utilizes an activated sludge process to treat sewage, and certain sewage retention time is provided in the tank to meet the oxygen quantity required by aerobic microorganisms and the mixing condition of full contact of sewage and activated sludge. The aeration tank mainly comprises a tank body, an aeration system and a water inlet and a water outlet. The sewage generates a great amount of foam in the aeration process, the foam covers the surface of the tank body, and the aeration effect is influenced if the foam is not removed in time, so that the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide a preaeration tank.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a preaeration tank, includes the aeration tank body, and both sides are equipped with the defoaming pond around the aeration tank body, and the upper portion of aeration tank body is equipped with moves bubble mechanism, moves bubble mechanism and can be for aeration tank body back-and-forth movement, is equipped with defoaming mechanism in the defoaming pond.

Move bubble mechanism including erectting the first guide rail on the aeration tank body front and back, sliding connection has the slider on the first guide rail, and the below of slider is equipped with the box, and the left and right sides of box is equipped with the mounting bracket, is equipped with the separation blade that extends to the left and right sides on the mounting bracket, and the one end that the box mounting bracket was kept away from to the separation blade extends to the both ends of controlling of aeration tank body.

The separation blade includes first separation blade and second separation blade, and the mounting bracket internal rotation is connected with the connecting rod, and first separation blade and second separation blade are connected with the connecting rod, are equipped with the recess that is used for the rotatory activity of connecting rod on the mounting bracket, and the upper end of first separation blade and second separation blade is drawn close each other, are equipped with first motor in the box, and the output shaft of first motor is connected with the half-gear after passing the box, be equipped with on the mounting bracket with half-gear intermeshing's gear, through belt transmission between the pivot of gear and the pivot of separation blade.

The sliding block is connected with the box body through the first telescopic rod, the lower end of the first telescopic rod extends into the box body and is driven through the second motor, the inner rod of the first telescopic rod is provided with a threaded portion, the threaded portion is in threaded connection with the outer rod of the first telescopic rod, and the smooth section of the inner rod of the first telescopic rod is connected with the box body through a bearing.

Be equipped with the second guide rail on the both ends face about the aeration tank body, sliding connection has the connecting piece on the second guide rail, and the below of going up the connecting piece is equipped with down the connecting piece, goes up the connecting piece and connects through the telescopic shaft between the connecting piece down, and the one end that the box mounting bracket was kept away from to the separation blade stretches into down the connecting piece.

Defoaming mechanism is including establishing the shower nozzle in defoaming pond top, and the shower nozzle (is connected with the bottom of aeration tank body through the pipe, is connected with the water pump on the pipe, is equipped with filter screen and return mechanism in the defoaming pond, and return mechanism locates the below of filter screen and communicates with the aeration tank body.

The backward flow mechanism is including the tray that is equipped with the filter screen below, the one end and the defoaming pond of tray rotate to be connected, the bottom in defoaming pond is rotated and is connected with the second telescopic link, the upper portion and the tray of second telescopic link rotate to be connected, the second telescopic link is close to the hinged end setting of tray, the spiro union has lower spacing ring on the outer pole of second telescopic link, the upper portion of second telescopic link is equipped with last spacing ring, go up the spacing ring and be equipped with the spring down between the spacing ring, be equipped with level sensor and back flow on the tray, the one end and the aeration tank body intercommunication of tray are kept away from to the back flow, be connected with the unidirectional pump on the back flow, unidirectional pump and level sensor signal connection.

The utility model has the advantages that:

1. the defoaming pool is arranged, floating foam is scraped into the defoaming pool through the movement of the separation blade, the foam is washed by the spray head, the foam is dispersed and then disappears, the waste liquid is led back into the aeration pool body again for full aeration, the floating foam in the aeration pool can be skimmed in time by repeating the process, and the aeration effect of the aeration pool is ensured;

2. according to the moving direction of the sliding block, the steering direction of the blocking piece can be adjusted, so that floating foam can be contained by the blocking piece when the blocking piece moves, and the floating foam is conveniently pushed to enter the defoaming pool;

3. the tray is arranged in the defoaming pool, when the amount of sewage in the tray reaches a certain amount, the tray rotates, and the sewage flows through the return pipe and flows back to the aeration tank body, so that the floating foam stays in the tray for a long time, and the floating foam is thoroughly scattered.

Drawings

FIG. 1 is a top view of the pre-aeration tank of the present invention;

FIG. 2 is a schematic structural view of the pre-aeration tank body and the bubble moving mechanism of the present invention;

fig. 3 is a schematic structural view of the position of the blocking piece when the bubble moving mechanism moves rightwards;

FIG. 4 is a schematic view of the structure of the present invention in which the connecting rod is engaged with the gear and the half gear;

FIG. 5 is a top view of the baffle plate of the present invention engaged with the box body;

FIG. 6 is a side view of the baffle plate of the present invention engaged with the box body;

fig. 7 is a schematic structural view of the defoaming mechanism of the present invention;

FIG. 8 is an enlarged view at A in FIG. 7;

fig. 9 is a schematic structural view of the upper connecting member, the lower connecting member and the blocking piece of the present invention;

in the figure: the aeration tank comprises an aeration tank body 1, a first guide rail 101, a defoaming tank 12, a spray head 13, a first baffle 14, a second baffle 15, an upper connecting piece 16, a sleeve 17, a guide pipe 18, a tray 19, a lower limiting ring 110, a liquid level sensor 111, a water pump 112, an upper limiting ring 113, a filter screen 114, a spring 115, a second telescopic rod 11, a mounting rack 117, a groove 1171, a connecting rod 118, a gear 119, a half gear 120, a tank body 121, a first telescopic rod 122, a threaded portion 1221, a second motor 123, a first motor 124, a return pipe 125, a stand 126, a sliding block 127, a one-way pump 128, a second guide rail 129 and a lower connecting piece 130.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments:

a pre-aeration tank as shown in fig. 1-9, which comprises an aeration tank body 1, defoaming tanks 12 are arranged on the front and back sides of the aeration tank body 1, a foam moving mechanism is arranged on the upper part of the aeration tank body 1, the foam moving mechanism can move back and forth relative to the aeration tank body 1, defoaming mechanisms are arranged in the defoaming tanks 12, aeration equipment is arranged at the bottoms of the pre-aeration tank and a sufficient aerobic tank, the equipment is the prior art and is not repeated herein, because in the aeration process, a large amount of foam can be generated on the tank surface to affect the aeration effect, the foam needs to be scraped into the defoaming tanks by the foam moving mechanism, defoaming is carried out in the defoaming tanks, and the waste liquid after defoaming flows back into the pre-aeration tank body 1 again;

the bubble moving mechanism comprises a first guide rail 101 erected on the front surface and the rear surface of the aeration tank body 1, a sliding block 127 is connected on the first guide rail 101 in a sliding manner, the sliding block 127 can slide back and forth relative to the first guide rail 101, the structure is the prior art, and is not described herein any more, a box body 121 is arranged below the sliding block 127, mounting frames 117 are arranged on the left side and the right side of the box body 121, blocking pieces extending towards the left side and the right side are arranged on the mounting frames 117, one ends, far away from the box body mounting frames 117, of the blocking pieces extend to the left end and the right end of the aeration tank body 1, and the sliding block 127 drives the blocking pieces to move towards one side when sliding left and right, so that floating foam is pushed to one side until the floating foam falls into the defoaming tank;

the baffle plate comprises a first baffle plate 14 and a second baffle plate 15, a connecting rod 118 is rotationally connected in a mounting frame 117, the first baffle plate 14 and the second baffle plate 15 are connected with the connecting rod 118, a groove 1171 used for the rotary motion of the connecting rod 118 is formed in the mounting frame 117, the upper ends of the first baffle plate 14 and the second baffle plate 15 are close to each other, a first motor 124 is arranged in the box 121, an output shaft of the first motor 124 penetrates through the box 121 and then is connected with a half gear 120, a gear 119 meshed with the half gear 120 is arranged on the mounting frame 117, a rotating shaft of the gear 119 and a rotating shaft of the baffle plate are in belt transmission, as shown in fig. 3, if the sliding block 127 moves rightwards, the first baffle plate 14 is rotated to the upper side of the second baffle plate 15, the lower end of the second baffle plate 15 stretches into the sewage tank, the sliding block 127 pushes foam floating on the aeration tank body 16 to the right side in the rightward moving process, the sliding block falls into the right defoaming tank, the sliding block rotates the half gear reversely after the sliding block 127 moves to the rightwards, the sliding block moves to the left side, and the sliding block slides to the defoaming tank in the reciprocating mode, and the aeration tank, and the reciprocating defoaming tank.

The sliding block 127 is connected with the box body 121 through the first telescopic rod 122, the lower end of the first telescopic rod 122 extends into the box body 121 and is driven by the second motor 123, the inner rod of the first telescopic rod 122 is provided with a threaded part 1221, the threaded part is in threaded connection with the outer rod of the first telescopic rod 122, the smooth section of the inner rod of the first telescopic rod 122 is connected with the box body 121 through a bearing, the length of the first telescopic rod 122 is adjusted according to the water level in the aeration tank body 1, the lower end of the baffle can be guaranteed to be immersed into sewage, and foam can be skimmed one side smoothly;

the aeration tank body 1 is provided with second guide rails 129 on the left end face and the right end face, the second guide rails 129 are connected with an upper connecting piece 16 in a sliding mode, a lower connecting piece 130 is arranged below the upper connecting piece 16, the upper connecting piece 16 is connected with the lower connecting piece 130 through a telescopic shaft, one end, far away from the box body mounting frame 117, of a rotating shaft of the separation blade extends into the lower connecting piece 130 and is connected with the lower connecting piece 130 in a rotating mode, the structure enables the separation blade to be more stable during moving, floating foam on a sewage surface can be covered by the separation blade, and the separation blade can be pushed into the defoaming tank 12 in time;

the defoaming mechanism comprises a spray head 13 arranged above a defoaming pool 12, the spray head 13 is connected with the bottom of an aeration pool body 1 through a guide pipe 18, a water pump 112 is connected on the guide pipe 18, a filter screen 114 and a backflow mechanism are arranged in the defoaming pool 12, the backflow mechanism is arranged below the filter screen 114 and is communicated with the aeration pool body 1, after foam is immersed in the defoaming pool 12, the spray head sprays the foam, part of the foam is smashed, a small amount of the foam can penetrate through the filter screen 114, impurities mixed in the foam are filtered by the filter screen 114, a conical sleeve 17 is arranged at the lower end of the filter screen 114, the caliber of the lower end of the sleeve 17 is reduced, so that sewage can smoothly fall into a tray 19, and the tray 19 is preferably of an arc structure;

the backflow mechanism comprises a tray 19 arranged below a filter screen 114, a small amount of foam passing through the filter screen 114 flows into the tray 19, a spray head 13 continues to spray to the tray 19, the foam can be completely smashed after staying in the tray 19 for a long time, one end of the tray 19 is rotatably connected with a defoaming pool 12, the bottom of the defoaming pool 12 is rotatably connected with a second telescopic rod 11, the upper portion of the second telescopic rod 11 is rotatably connected with the tray 19, the second telescopic rod 11 is arranged close to a hinged end of the tray 19, when a certain amount of sewage in the tray 19 is received, the tray 19 rotates around a hinged point, one side of the aeration pool body 16 descends, a lower limiting ring 110 is screwed on an outer rod of the second telescopic rod 11, the upper portion of the second telescopic rod 11 is provided with an upper limiting ring 113, a spring 115 is arranged between the upper limiting ring 113 and the lower limiting ring 110, the height of the lower limiting ring 110 is adjusted according to the sewage backflow amount, the lower limiting ring 110 is higher the height is set, the spring 115 is compressed more tightly, the tray 19 is more difficult to rotate, the backflow pipe is larger the amount of sewage, the backflow pipe can reach the backflow period, the single-time, the sewage backflow sensor 125 is connected with a one-way sewage backflow sensor 128 connected with a sewage backflow pump 128 connected with a one-way backflow sensor 128 connected in the aeration pool after the sewage backflow tank 11 and the sewage backflow sensor structure, the sewage backflow tank 11, the sewage backflow sensor 128 is connected with the sewage backflow sensor 128, and the sewage backflow tank 11, and the sewage backflow sensor 128 connected with the sewage backflow tank.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A pre-aeration tank is characterized in that: the defoaming device comprises an aeration tank body (1), defoaming tanks (12) are arranged on the front side and the rear side of the aeration tank body (1), a foam moving mechanism is arranged on the upper portion of the aeration tank body (1), the foam moving mechanism can move back and forth relative to the aeration tank body (1), and a defoaming mechanism is arranged in the defoaming tank (12).

2. A preaeration tank as claimed in claim 1, wherein: move bubble mechanism including erectting first guide rail (101) on aeration tank body (1) front and back, sliding connection has slider (127) on first guide rail (101), the below of slider (127) is equipped with box (121), and the left and right sides of box (121) is equipped with mounting bracket (117), be equipped with the separation blade that extends to the left and right sides on mounting bracket (117), the one end that box mounting bracket (117) were kept away from to the separation blade extends to aeration tank body (1) both ends about.

3. A preaeration tank as claimed in claim 2, wherein: the separation blade includes first separation blade (14) and second separation blade (15), and mounting bracket (117) internal rotation is connected with connecting rod (118), and first separation blade (14) and second separation blade (15) are connected with connecting rod (118), be equipped with recess (1171) that are used for connecting rod (118) rotation activity on mounting bracket (117), the upper end of first separation blade (14) and second separation blade (15) is drawn close to each other, is equipped with first motor (124) in box (121), and the output shaft of first motor (124) is connected with semi-gear (120) after passing box (121), is equipped with gear (119) with semi-gear (120) intermeshing on mounting bracket (117), passes through belt transmission between the pivot of gear (119) and the pivot of separation blade.

4. A preaeration tank as claimed in claim 2, wherein: the sliding block (127) is connected with the box body (121) through a first telescopic rod (122), the lower end of the first telescopic rod (122) extends into the box body (121) and is driven through a second motor (123), a threaded portion (1221) is arranged on an inner rod of the first telescopic rod (122), the threaded portion is in threaded connection with an outer rod of the first telescopic rod (122), and a smooth section of the inner rod of the first telescopic rod (122) is connected with the box body (121) through a bearing.

5. A preaeration tank as claimed in claim 2, wherein: be equipped with second guide rail (129) on the both ends face about aeration tank body (1), sliding connection has last connecting piece (16) on second guide rail (129), and the below of going up connecting piece (16) is equipped with down connecting piece (130), goes up and connects through telescopic shaft between connecting piece (16) and the lower connecting piece (130), the one end that box mounting bracket (117) was kept away from to the separation blade stretches into down connecting piece (130).

6. A pre-aeration tank according to claim 1 wherein: the defoaming mechanism comprises a spray head (13) arranged above the defoaming pool (12), the spray head (13) is connected with the bottom of the aeration pool body (1) through a guide pipe (18), a water pump (112) is connected onto the guide pipe (18), a filter screen (114) and a backflow mechanism are arranged in the defoaming pool (12), and the backflow mechanism is arranged below the filter screen (114) and communicated with the aeration pool body (1).

7. A preaeration tank as claimed in claim 6, wherein: the backflow mechanism comprises a tray (19) arranged below a filter screen (114), one end of the tray (19) is connected with a defoaming pool (12) in a rotating mode, the bottom of the defoaming pool (12) is connected with a second telescopic rod (11) in a rotating mode, the upper portion of the second telescopic rod (11) is connected with the tray (19) in a rotating mode, the second telescopic rod (11) is close to the hinged end of the tray (19) in a setting mode, a lower limiting ring (110) is connected to the outer rod of the second telescopic rod (11) in a threaded mode, an upper limiting ring (113) is arranged on the upper portion of the second telescopic rod (11), a spring (115) is arranged between the upper limiting ring (113) and the lower limiting ring (110), a liquid level sensor (111) and a backflow pipe (125) are arranged on the tray (19), one end, far away from the tray (19), of the backflow pipe (125) is communicated with an aeration pool body (1), a one-way pump (128) is connected to the backflow pipe (125), and the one-way pump (128) is connected with the liquid level sensor (111) in a signal connection mode.