CN210505731U

CN210505731U - Reflux unit of good oxygen pond

Info

Publication number: CN210505731U
Application number: CN201921257859.5U
Authority: CN
Inventors: 裘伟民; 刘飞; 章好强
Original assignee: Zhejiang Sandianshui Environmental Protection Engineering Co Ltd
Current assignee: Zhejiang Sandianshui Environmental Protection Engineering Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-05-12
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a reflux unit in good oxygen pond relates to the technical field in good oxygen pond, including the cell body, the array is provided with the baffle that the polylith highly reduced in proper order on the cell body inside wall, highly the height that highly is less than the cell body of baffle, be provided with the immersible pump on the cell body diapire between cell body lateral wall and the highly minimum baffle, be provided with on the immersible pump and be L type and horizontally one end and be located the top of cell body and extend the connecting pipe of position between highly the highest baffle and the cell body lateral wall, the one end of connecting pipe is provided with the back flow with the connecting pipe intercommunication, the backward flow hole has been seted up on the. The utility model discloses a immersible pump starts to take out the pond internal that lies in the back flow below with the silt between baffle and the cell body lateral wall of highly minimum, and the bacterium in the silt decomposes sewage again and handles to this comes to carry out reuse to the bacterium in the silt, has improved the reuse rate of bacterium, thereby has improved the treatment effeciency of bacterium to sewage.

Description

Reflux unit of good oxygen pond

Technical Field

The utility model relates to a technical field of good oxygen pond especially relates to a reflux unit in good oxygen pond.

Background

The aerobic tank is a treatment device which utilizes aerobic microorganisms in the sewage to digest and degrade organic matters in the sewage in the presence of free oxygen so as to stabilize and make the organic matters harmless, the aerobic tank is generally in a contact oxidation tank form, and a filler is arranged in the aerobic tank, so that the organic matters are further decomposed into inorganic matters, and the function of removing pollutants is achieved.

In order to solve the problems, the Chinese patent with application publication No. CN208717090U discloses a two-stage aeration-free backflow-free domestic sewage treatment system, which is formed by connecting a plurality of sewage treatment tanks in sequence; the sewage treatment pond includes: a water inlet pipe is arranged on the side wall of the storage tank; the water inlet end of the first aerobic tank is connected with the water outlet end of the regulation and storage tank, the upper part of the first aerobic tank is provided with a first water drop tank which can enable water flow to flow downwards step by step and is of a step-shaped structure, and a biological filler for treating sewage is arranged in the first aerobic tank.

The technical scheme has the following defects: the biological filler generally adopts bacteria capable of decomposing impurities in the sewage, the bacteria can form sludge after decomposing the impurities and easily accumulate in the first aerobic tank, so the bacteria also gather in the sludge, and the gathered bacteria can not repeatedly treat the sewage, thereby causing the waste of bacteria resources and reducing the sewage treatment efficiency of the bacteria.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reflux unit in good oxygen pond comes the bacterium to carry out reuse in the silt, has improved the reuse rate of bacterium to the treatment effeciency of bacterium to sewage has been improved.

The above object of the present invention is achieved by the following technical solutions:

a reflux device of an aerobic tank comprises a tank body, wherein a plurality of baffles with successively reduced heights are arrayed on the inner side wall of the tank body along the length direction of the tank body, the baffle with the highest height is lower than the tank body, a submersible pump is arranged on the inner bottom wall of the tank body between the side wall close to the baffle with the lowest height and the baffle with the lowest height in the width direction of the tank body, the submersible pump is provided with an L-shaped connecting pipe, one horizontal end of the L-shaped connecting pipe is positioned above the tank body and extends to a baffle plate with the highest height, and the connecting pipe is arranged between the baffle plate and the side wall of the tank body in the width direction and far away from the submersible pump, a return pipe which is communicated with the connecting pipe and has the axis vertical to the axis of the connecting pipe and horizontal is arranged at one end of the connecting pipe far away from the submersible pump, the lower side wall of the return pipe is provided with return holes along the axis array of the return pipe, and the projection of the return pipe in the vertical direction is positioned in the tank body.

Through adopting above-mentioned technical scheme, sewage is through the baffle that highly low reduces in proper order, bacterium in the sewage is handled sewage, the immersible pump starts simultaneously, silt and rivers between high minimum baffle and the cell body lateral wall flow in the connecting tube, then flow in the backward flow pipe, the mouth of pipe and the backward flow hole through the back flow to the cell body of back flow below at last, bacterium in the silt decomposes sewage again and handles, come to carry out reuse to the bacterium in the silt with this, the reuse rate of bacterium has been improved, thereby the treatment effeciency of bacterium to sewage has been improved.

Preferably, an adding device for adding liquid organic matters is arranged on the tank body above the baffle, and comprises an adding pipe which is arranged on the inner side wall of the tank body, is positioned above the baffle and is annular, a liquid containing box which is arranged on the upper top surface of the tank body and is filled with glucose solution, a conveying pipe of which two ends are communicated with the lower bottom surface of the liquid containing box and the adding pipe, and a control valve arranged on the conveying pipe; and the lower side wall of the adding pipe is provided with adding holes along the adding pipe axial line array.

Through adopting above-mentioned technical scheme, impurity in the cell body is less, bacterium in the sewage can be because the organic matter is less and lose the activity, consequently need add organic matter and make the bacterium keep active, organic matters such as glucose solution are added to the general condition, open the control valve, glucose solution flows to in the filler tube through the conveyer pipe, then flow to the cell body through the filler hole in, thereby make glucose solution dissolve to come to provide the energy to the bacterium in the water of cell body, come the vitality of activation bacterium, with this purpose that reaches the ability that improves bacterium separation impurity in the sewage.

Preferably, stirring devices are arranged on the side walls of the tank body between two adjacent baffles and below the return pipe.

Through adopting above-mentioned technical scheme, the impurity after the bacterium decomposes is the silt form, piles up in the space that baffle and cell body lateral wall formed easily, and the bacterium also gathers in silt moreover to reduced the throughput of bacterium to sewage, made silt can not pile up through agitating unit, thereby silt and bacterium can circulate along with the rivers, improve the throughput of bacterium to sewage in the cell body with this.

Preferably, the stirring device comprises a rotating rod, a spiral stirring sheet and a driving motor, wherein the rotating rod is rotatably arranged between two adjacent baffles and on the side wall of the tank body below the return pipe, one end of the rotating rod penetrates out of the tank body, the driving motor is arranged on the rotating rod and is connected with the rotating rod.

Through adopting above-mentioned technical scheme, driving motor drives the bull stick and rotates, and the bull stick rotates and drives stirring piece and rotate, and stirring piece rotates and stirs water for impurity can not pile up after the separation, therefore the bacterium can not gather in the impurity.

Preferably, the pool body is provided with a drain pipe and a drain pipe which are communicated with the inside of the pool body at intervals from top to bottom on the outer side wall of the pool body close to the submersible pump in the width direction of the pool body, the axis of the drain pipe is positioned below the top surface of the baffle with the lowest height, and the drain pipe are respectively provided with a drain valve and a drain valve.

By adopting the technical scheme, when water needs to be discharged, the water discharge valve is opened to discharge the water outwards, and the water discharge valve is closed when the water needs to be closed; when the submersible pump is used for pumping too much sludge in the tank body, the sewage discharge valve is opened to discharge the sludge, and the sewage discharge valve is closed after the sludge is beaten, so that the purposes of controlling the drainage and discharging the sludge are achieved.

Preferably, a drain hole is formed in the outer side wall of the tank body corresponding to the drain pipe, and a filter screen is arranged in the drain hole.

Through adopting above-mentioned technical scheme, through the setting of filter screen, further reduced from the impurity in the drain pipe discharged water, improved the quality to the processing of water.

Preferably, a sewage discharge device is arranged on the tank body between the submersible pump and the side wall of the tank body provided with the sewage discharge pipe.

Through adopting above-mentioned technical scheme, because the impurity generally is the silt form after the decomposition, the stickness is great, consequently produces the drain pipe easily and blocks up, through waste fitting's setting, has reduced the probability that the blow off pipe is blockked up to the efficiency of blow off pipe exhaust impurity has been improved.

Preferably, waste fitting discharging includes along the cell body length direction slide set up on the top surface on the immersible pump and the cell body between the cell body lateral wall that is provided with the blow off pipe and one end extends the connecting rod in the cell body, set up the connecting rod be located one in the cell body serve and bottom surface paste the scraper blade on the bottom wall in the cell body, set up on the top surface on the cell body and with the actuating cylinder that the connecting rod is connected.

Through adopting above-mentioned technical scheme, drive actuating cylinder and start and stimulate the scraper blade and move towards blow off pipe one side to extrusion silt moves towards the blow off pipe, realizes the purpose of discharging impurity from the blow off pipe outside the cell body with this, has reduced the probability that the blow off pipe is blockked up.

To sum up, the utility model discloses a beneficial technological effect does:

1. sludge between the baffle with the lowest height and the side wall of the tank body is pumped into the tank body below the return pipe by starting the submersible pump, and bacteria in the sludge decompose and treat the sewage again, so that the bacteria in the sludge are recycled, the recycling rate of the bacteria is improved, and the sewage treatment efficiency of the bacteria is improved;

2. the sludge is prevented from being accumulated by the stirring device, so that the sludge and bacteria can circulate along with the water flow, and the treatment capacity of the bacteria on the sewage in the pool body is improved;

3. through the setting of filter screen, further reduced from the impurity in the drain pipe discharged water, improved the quality to the processing of water.

Drawings

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

FIG. 2 is a schematic structural view of the present invention, wherein the side wall of the tank body is partially cut;

FIG. 3 is an enlarged schematic view of section A of FIG. 2;

FIG. 4 is an enlarged schematic view of section B of FIG. 2;

FIG. 5 is a schematic view of the partial structure of the present invention, with a partial cut of the sidewall of the tank body;

fig. 6 is an enlarged schematic view of the portion C in fig. 5.

Reference numerals: 10. a tank body; 11. a baffle plate; 12. a submersible pump; 13. a connecting pipe; 14. a return pipe; 141. a return orifice; 15. a support frame; 20. an adding device; 21. an addition pipe; 211. an addition hole; 22. a liquid containing box; 23. a delivery pipe; 24. a control valve; 30. a stirring device; 31. a rotating rod; 32. a stirring sheet; 33. a drive motor; 50. a drain pipe; 51. a blow-off pipe; 52. a drain valve; 53. a blowoff valve; 54. a drain hole; 55. filtering with a screen; 60. a sewage draining device; 61. a connecting rod; 611. a fixed block; 612. a T-shaped groove; 613. a T-shaped block; 62. a squeegee; 63. the cylinder is driven.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

A reflux unit of an aerobic tank refers to fig. 1 and 2 and comprises a tank body 10, wherein three baffles 11 which are arranged in an array mode along the length direction of the tank body 10 and are sequentially reduced in height are fixedly mounted on the inner side wall of the tank body 10, the height of the baffle 11 with the highest height is lower than that of the tank body 10, and a submersible pump 12 is arranged on the inner bottom wall of the tank body 10, which is close to the position between the side wall of the baffle 11 with the lowest height and the baffle 11 with the lowest height, in the width direction of the tank body 10.

Referring to fig. 2 and 3, an L-shaped connecting pipe 13 with one horizontal end positioned above the tank body 10 is fixedly installed on the submersible pump 12, a supporting frame 15 fixedly connected with the connecting pipe 13 is fixedly installed on the top surface of the tank body 10, and an outlet of one end of the connecting pipe 13 far away from the submersible pump 12 extends to a position between the baffle 11 with the highest height and the side wall of the tank body 10 far away from the submersible pump 12; a return pipe 14 communicated with the connecting pipe 13 is fixedly installed at one end of the connecting pipe 13 far away from the submersible pump 12, the axis of the return pipe 14 is vertical to the axis of the connecting pipe 13 and is in a horizontal state, return holes 141 are formed in the lower side wall of the return pipe 14 along the axis array of the return pipe 14, and meanwhile, the projection of the return pipe 14 in the vertical direction is located in the tank body 10. The submersible pump 12 is started, sludge and water between the baffle plate 11 with the lowest height and the side wall of the tank body 10 flow into the connecting pipe 13, then flow into the return pipe 14, finally flow into the tank body 10 below the return pipe 14 through the pipe orifice and the return hole 141 of the return pipe 14, and bacteria in the sludge decompose and treat the sewage again.

An adding device 20 for adding liquid organic matters is arranged on the tank body 10 above the baffle 11, the adding device 20 comprises an adding pipe 21, a liquid containing box 22, a conveying pipe 23 and a control valve 24, the adding pipe 21 is fixedly arranged on the inner side wall of the tank body 10, is positioned above the baffle 11 and is annular, and adding holes 211 are formed in the lower side wall of the adding pipe 21 along the axis array of the adding pipe 21; the liquid containing box 22 is fixedly arranged on the upper top surface of the pool body 10, and the liquid containing box 22 is filled with glucose solution; one end of the conveying pipe 23 is fixedly arranged on the lower bottom surface of the liquid containing box 22, the other end of the conveying pipe 23 is fixedly connected with the upper side wall of the adding pipe 21, and meanwhile, the conveying pipe 23 is communicated with the liquid containing box 22 and the adding pipe 21; the control valve 24 is fixedly mounted on the delivery pipe 23. The control valve 24 is opened, and the glucose solution flows into the adding pipe 21 through the delivery pipe 23 and then flows into the cell body 10 through the adding hole 211, so that the glucose solution is dissolved into the water in the cell body 10 to provide energy to the bacteria.

A stirring device 30 is arranged between two adjacent baffles 11 and on the side wall of the tank body 10 below the return pipe 14, the stirring device 30 comprises a rotating rod 31, a stirring sheet 32 and a driving motor 33, the rotating rod 31 is rotatably arranged on the side wall of the tank body 10, meanwhile, the rotating rod 31 is positioned on the side wall between the two adjacent baffles 11 and on the side wall of the tank body 10 below the return pipe 14, and one end of the rotating rod 31 penetrates out of the tank body 10; the stirring sheet 32 is fixedly arranged on the rotating rod 31 and is in a spiral shape; the driving motor 33 is fixedly installed on the outer side wall of the pool body 10, and an output shaft of the driving motor 33 is fixedly connected with the rotating rod 31.

Driving motor 33 drives bull stick 31 and rotates, and bull stick 31 rotates and drives stirring piece 32 and rotate, and stirring piece 32 rotates and stirs water for silt can not pile up, and consequently during the bacterium can not gather silt, improves the treatment effeciency of bacterium to the interior sewage of cell body 10 with this.

Referring to fig. 2 and 4, a drain pipe 50 and a drain pipe 51 both communicated with the inside of the tank body 10 are fixedly installed on the outer side wall of the tank body 10 in the width direction of the tank body 10 and close to the baffle 11 with the lowest height at intervals from top to bottom, the axis of the drain pipe 50 is located below the upper top surface of the baffle 11 with the lowest height, and a drain valve 52 and a drain valve 53 are fixedly installed on the drain pipe 50 and the drain pipe 51 respectively. When water needs to be drained, the drain valve 52 is opened to drain water outwards, and when the water needs to be closed, the drain valve 52 is closed; when the sludge in the pool body 10 of the submersible pump 12 is too much, the blow-down valve 53 is opened to discharge the sludge, and the blow-down valve 53 is closed after beating, so that the purposes of controlling the water discharge and discharging the sludge are achieved. A drain hole 54 is formed on the outer side wall of the tank body 10 corresponding to the drain pipe 50, a filter screen 55 is fixedly installed in the drain hole 54, and the filter screen 55 further reduces impurities in water discharged from the drain pipe 50.

Referring to fig. 5 and 6, a sewage discharging device 60 is arranged on the tank body 10 between the submersible pump 12 and the side wall of the tank body 10 provided with the sewage discharging pipe 51, the sewage discharging device 60 comprises a connecting rod 61, a scraping plate 62 and a driving cylinder 63, a fixing block 611 parallel to the length direction of the tank body 10 is fixedly arranged on the upper top surface of the tank body 10 between the submersible pump 12 and the side wall of the tank body 10 provided with the sewage discharging pipe 51, a T-shaped groove 612 along the length direction of the fixing block 611 is formed in the fixing block 611, a T-shaped block 613 matched with the T-shaped groove 612 in a sliding manner is fixedly arranged on the lower bottom surface of the connecting rod 61, the connecting rod 61 is arranged on the fixing block 611 in a sliding manner through the T-shaped block 613; scraper blade 62 fixed mounting is located one of cell body 10 at connecting rod 61, and scraper blade 62 keeps away from the one end of connecting rod 61 and contradicts on the diapire in cell body 10, drives actuating cylinder 63 fixed mounting on the cell body 10 upper top surface that fixed block 611 is close to blow off pipe 51 one side, and drives actuating cylinder 63 piston rod and connecting rod 61 fixed connection.

Referring to fig. 2, the driving cylinder 63 is actuated to pull the scraper 62 to move towards one side of the sewage pipe 51, so as to press the sludge to move towards the sewage pipe 51, thereby achieving the purpose of discharging the sludge out of the pond body 10 from the sewage pipe 51, and reducing the probability that the sewage pipe 51 is blocked.

The working principle of the embodiment is as follows:

sewage flows through the baffle 11 with the height reduced in sequence, and the submersible pump 12 is started to pump sludge and sewage in the area between the baffle 11 with the lowest height and the side wall of the tank body 10 into the tank body 10 below the return pipe 14, so that the bacteria in the sludge can be recycled, the recycling rate of the bacteria is improved, and the treatment efficiency of the bacteria on the sewage is improved.

The driving motor 33 rotates to drive the stirring sheet 32 to rotate, the stirring sheet 32 rotates to stir water, so that sludge can not be accumulated, bacteria can not be accumulated in the sludge, and the sludge and the bacteria can circulate along with water flow, so that the treatment efficiency of the bacteria on sewage in the tank body 10 is improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The reflux device of the aerobic tank is characterized in that: comprises a pool body (10), baffle plates (11) with a plurality of heights reduced in sequence are arranged on the inner side wall of the pool body (10) along the length direction array of the pool body (10), the height of the baffle plate (11) is higher than that of the pool body (10), a submersible pump (12) is arranged on the inner bottom wall of the pool body (10) between the side wall close to the baffle plate (11) with the lowest height and the baffle plate (11) with the lowest height in the width direction of the pool body (10), a connecting pipe (13) which is L-shaped and horizontal is arranged on the submersible pump (12), one end of the connecting pipe (13) far away from the submersible pump (12) is positioned above the pool body (10) and extends to the baffle plate (11) with the highest height and the width direction of the pool body (10) and is far away from the side wall of the submersible pump (12), and a return pipe (14) which is communicated with the connecting pipe (13) and, backflow holes (141) are formed in the lower side wall of the backflow pipe (14) along the axial line array of the backflow pipe (14), and the projection of the backflow pipe (14) in the vertical direction is located in the pool body (10).

2. The aerobic tank recirculation device according to claim 1, characterized in that: an adding device (20) for adding a glucose solution is arranged on the tank body (10) above the baffle (11), the adding device (20) comprises an adding pipe (21) which is arranged on the inner side wall of the tank body (10), is positioned above the baffle (11) and is annular, a liquid containing box (22) which is arranged on the upper top surface of the tank body (10) and is filled with the glucose solution, a conveying pipe (23) with two ends communicated with the lower bottom surface of the liquid containing box (22) and the adding pipe (21), and a control valve (24) arranged on the conveying pipe (23); the adding pipe (21) is provided with adding holes (211) along the axis array of the adding pipe (21) on the lower side wall.

3. The aerobic tank recirculation device according to claim 1, characterized in that: stirring devices (30) are arranged on the side walls of the tank body (10) between two adjacent baffles (11) and below the return pipe (14).

4. The aerobic tank recirculation device according to claim 3, characterized in that: agitating unit (30) rotate including rotating on cell body (10) lateral wall that sets up between two adjacent baffle (11) and back flow (14) below and be provided with one end and wear out cell body (10) outer bull stick (31), set up on bull stick (31) and be spiral helicine stirring piece (32), set up on cell body (10) lateral wall and bull stick (31) drive motor (33) of connecting.

5. The aerobic tank recirculation device according to claim 1, characterized in that: the sewage treatment device is characterized in that a drain pipe (50) and a sewage discharge pipe (51) communicated with the inside of the pool body (10) are arranged on the outer side wall of the pool body (10) close to the submersible pump (12) in the width direction of the pool body (10) at an upper interval and a lower interval, the axis of the drain pipe (50) is located below the upper top surface of the baffle (11) with the lowest height, and a drain valve (52) and a sewage discharge valve (53) are respectively arranged on the drain pipe (50) and the sewage discharge pipe (51).

6. The aerobic tank recirculation device according to claim 5, characterized in that: a drain hole (54) is formed in the outer side wall of the tank body (10) corresponding to the drain pipe (50), and a filter screen (55) is arranged in the drain hole (54).

7. The aerobic tank recirculation device according to claim 5, characterized in that: a sewage discharge device (60) is arranged on the pool body (10) between the submersible pump (12) and the side wall of the pool body (10) provided with the sewage discharge pipe (51).

8. The aerobic tank recirculation device according to claim 7, characterized in that: blowdown apparatus (60) including along cell body (10) length direction slide set up on top surface and one end extend cell body (10) between immersible pump (12) and cell body (10) lateral wall that is provided with blow off pipe (51) connecting rod (61) in cell body (10), set up on connecting rod (61) are located one end in cell body (10) and lower bottom surface pastes scraper blade (62) on the bottom wall in cell body (10), set up on cell body (10) top surface and drive actuating cylinder (63) be connected with connecting rod (61).