CN217297605U

CN217297605U - Sewage treatment equipment with sludge backflow function

Info

Publication number: CN217297605U
Application number: CN202220682776.6U
Authority: CN
Inventors: 曹玲; 曹亚玲
Original assignee: Chongqing Weixi Environmental Protection Technology Co ltd
Current assignee: Chongqing Weixi Environmental Protection Technology Co ltd
Priority date: 2022-03-24
Filing date: 2022-03-24
Publication date: 2022-08-26
Anticipated expiration: 2032-03-24

Abstract

The utility model relates to the technical field of sewage treatment equipment, in particular to sewage treatment equipment with a sludge backflow function, which comprises an anoxic tank, a filtering tank, a sedimentation tank, a screw pump, a sludge backflow pipe, a support frame and a collection assembly; the collecting assembly comprises a driving slide block, a lifting shaft, a scraping plate and a driving component, the driving slide block is driven to move by the driving component, the driving slide block moves to drive the scraping plate to move, the scraping plate moves to scrape all sludge in the sludge settling tank to the lower part of the sludge return pipe, so that the sludge return flow is large, and the sewage purifying effect of the anoxic tank is improved.

Description

Sewage treatment equipment with sludge backflow function

Technical Field

The utility model relates to a sewage treatment device technical field especially relates to a sewage treatment device with mud backward flow function.

Background

With the concern of human beings about the water resource condition, more and more sewage treatment plants are successively built, completed and put into use, and the backflow control of sludge in the sewage treatment process is very important. The sludge return system is used as an important component of sewage treatment, the capacity of bearing load impact of the whole activated sludge system can be improved by reasonably controlling the quantity of returned sludge, the water quality is stabilized, and the treatment efficiency of a biochemical system is fully utilized.

The existing sludge reflux system of the modular integrated sewage treatment equipment; the arrangement of the oscillation reducing plate reduces the oscillation of sewage, improves the sedimentation efficiency of sludge, simultaneously reduces the throwing of flocculation products, reduces the cost, is provided with inclined holes to facilitate the sliding of the sludge, stores electric energy into the storage battery under the action of the PLC through the solar power generation plate, is used for supplying power to electric equipment in the system, saves energy, finally starts a screw pump to return the sludge in the sludge sedimentation tank to the interior of the anoxic tank for secondary reaction, and simultaneously can send the sludge out of the sedimentation tank, otherwise, the sludge can be accumulated more and overflows along with the effluent; the main function, however, is to ensure that sufficient microorganisms are mixed with the influent water to maintain a suitable sludge load inside the settling tank.

However, the existing sludge return pipe is fixed on one side of the sedimentation tank, the sludge return pipe cannot rotate, the sludge return pipe can only extract sludge near the pipeline, the amount of the sludge which can be extracted is small, the requirement of the sludge amount in the anoxic tank cannot be met, and the effect of the anoxic tank on sewage purification is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment device with sludge return function, the sludge return pipe that aims at solving among the prior art is fixed on one side at the sedimentation tank, and the sludge return pipe can't rotate, and the sludge return pipe can only extract near pipeline's mud, and the volume of the mud that can extract is few, can't satisfy the demand of sludge volume in the oxygen deficiency pond, leads to the oxygen deficiency pond to the poor technical problem of sewage purification's effect.

In order to realize the purpose, the utility model discloses a sewage treatment device with sludge backflow function, which comprises an anoxic tank, a filtering tank, a sedimentation tank, a screw pump, a sludge backflow pipe, a support frame and a collection assembly;

the filter tank is positioned on one side of the anoxic tank, the sedimentation tank is positioned on one side of the filter tank far away from the anoxic tank, the screw pump is positioned above the sedimentation tank, the sludge return pipe is connected with the screw pump and is communicated with the anoxic tank and the sedimentation tank, the support frame is positioned above the sedimentation tank, and a sludge sedimentation tank is arranged below the sedimentation tank;

the collecting assembly comprises a driving slider, a lifting shaft, a scraping plate and a driving member, the driving slider passes through the driving member and is connected with the supporting frame, the lifting shaft is connected with the driving slider in a sliding mode and is located on one side, away from the supporting frame, of the driving slider, the scraping plate is fixedly connected with the lifting shaft and is located on one side, away from the driving slider, of the lifting shaft.

The collecting assembly further comprises a reinforcing rod, wherein two ends of the reinforcing rod are respectively connected with the driving sliding block and the scraping plate in a sliding mode and are located between the driving sliding block and the scraping plate.

The driving component comprises a driving lead screw and a driving motor, the driving lead screw is rotatably connected with the supporting frame, is connected with the driving sliding block and is positioned on one side of the supporting frame close to the driving sliding block; the driving motor is connected with the support frame and is positioned on one side of the support frame, which is far away from the driving screw rod, and the output end of the driving motor is connected with the driving screw rod.

The collecting assembly further comprises a lifting motor, the lifting motor is fixedly connected with the driving sliding block and is positioned on one side, far away from the driving screw rod, of the driving sliding block.

The collecting assembly further comprises a lifting gear, the lifting gear is connected with the lifting motor, meshed with the lifting shaft and located on one side, close to the lifting shaft, of the lifting motor.

The utility model discloses a sewage treatment device with sludge backflow function, the mud in the sedimentation tank can deposit in the sludge settling tank in the sedimentation tank, the screw pump is located the top of sedimentation tank, the sludge backflow pipe is connected with the screw pump, one end of the sludge backflow pipe is in the sedimentation tank, the other end is in the anoxic tank, the mud in the sludge settling tank is pumped into the anoxic tank through the screw pump, the sludge amount of the anoxic tank is ensured, the support frame is installed above the sedimentation tank, the drive component is installed on the support frame, the drive slider is connected with the drive component, the scraper blade is connected with the drive slider through the lifting shaft, so far, the drive slider is driven to move through the drive component, the drive slider moves and can drive the scraper blade to move, the scraper plate moves to scrape all the sludge in the sludge settling tank to the lower part of the sludge return pipe, so that the sludge return amount is large, and the sewage purification effect of the anoxic tank is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of the technical field of sewage treatment equipment.

FIG. 2 is a schematic view of the collecting assembly of the present invention

FIG. 3 is a schematic structural view of the sludge settling tank of the present invention

In the figure; 1-anoxic tank, 2-filter tank, 3-sedimentation tank, 4-sludge sedimentation tank, 5-screw pump, 6-sludge return pipe, 7-support frame, 8-collection component, 81-driving slide block, 82-lifting shaft, 83-scraper, 84-driving component, 85-reinforcing rod, 86-lifting motor, 87-lifting gear, 841-driving screw rod and 842-driving motor.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3, the present invention provides a sewage treatment device with sludge backflow function, which comprises an anoxic tank 1, a filtering tank 2, a sedimentation tank 3, a screw pump 5, a sludge backflow pipe 6, a support frame 7 and a collection assembly 8;

the filtering tank 2 is positioned on one side of the anoxic tank 1, the sedimentation tank 3 is positioned on one side of the filtering tank 2 far away from the anoxic tank 1, the screw pump 5 is positioned above the sedimentation tank 3, the sludge return pipe 6 is connected with the screw pump 5 and is communicated with the anoxic tank 1 and the sedimentation tank 3, the support frame 7 is positioned above the sedimentation tank 3, and a sludge sedimentation tank 4 is arranged below the sedimentation tank 3;

the collecting assembly 8 comprises a driving sliding block 81, a lifting shaft 82, a scraping plate 83 and a driving member 84, the driving sliding block 81 is connected with the supporting frame 7 through the driving member 84, the lifting shaft 82 is connected with the driving sliding block 81 in a sliding mode and is located on one side, away from the supporting frame 7, of the driving sliding block 81, the scraping plate 83 is fixedly connected with the lifting shaft 82 and is located on one side, away from the driving sliding block 81, of the lifting shaft 82.

In this embodiment, the sludge in the sedimentation tank 3 is settled in the sludge sedimentation tank 4, the screw pump 5 is positioned above the sedimentation tank 3, the sludge return pipe 6 is connected with the screw pump 5, one end of the sludge return pipe 6 is positioned in the sedimentation tank 3, the other end is positioned in the anoxic tank 1, the sludge in the sludge sedimentation tank 4 is pumped into the anoxic tank 1 by the screw pump 5 to ensure the sludge amount in the anoxic tank 1, the support frame 7 is arranged above the sedimentation tank 3, the driving member 84 is arranged on the support frame 7, the driving slider 81 is connected with the driving member 84, the scraper 83 is connected with the driving slider 81 by the lifting shaft 82, so that the driving slider 81 is driven by the driving member 84 to move, the driving slider 81 moves to drive the scraper 83 to move, the scraper 83 moves to scrape all the sludge in the sludge settling tank 4 to the lower part of the sludge return pipe 6, so that the sludge return pipe 6 can extract more sludge, the return flow of the sludge is large, and the sewage purification effect of the anoxic tank 1 is improved.

Further, referring to fig. 1 and 2, the collecting assembly 8 further includes a reinforcing rod 85, and both ends of the reinforcing rod 85 are slidably connected to the driving slider 81 and the scraper 83, respectively, and are located between the driving slider 81 and the scraper 83.

In this embodiment, two ends of the reinforcing rod 85 are slidably connected to the driving slider 81 and the scraper 83, respectively, and are located between the driving slider 81 and the scraper 83, and both left and right ends of the reinforcing rod 85 can rotate, so that the reinforcing rod 85 increases the pulling force of the driving slider 81 on the scraper 83, and the driving slider 81 pulls the scraper 83 more easily.

Further, referring to fig. 1, the driving member 84 includes a driving lead screw 841 and a driving motor 842, the driving lead screw 841 is rotatably connected to the supporting frame 7, is connected to the driving slider 81, and is located on one side of the supporting frame 7 close to the driving slider 81; the driving motor 842 is connected with the support frame 7, and is located the support frame 7 is kept away from one side of the driving screw 841, the output end of the driving motor 842 is connected with the driving screw 841.

In this embodiment, the driving screw 841 is installed in the supporting frame 7, the driving motor 842 is installed at the left end of the supporting frame 7, the output end of the driving motor 842 is connected with the driving screw 841, so that the driving screw 841 is driven to rotate by the rotation of the driving motor 842, the rotation of the driving screw 841 is converted into the movement of the driving slider 81 by the principle of the ball screw, thereby realizing that the sludge in the sludge settling tank 4 can be cleaned without manpower, and reducing the investment of labor force.

Further, referring to fig. 2, the collecting assembly 8 further includes a lifting motor 86, and the lifting motor 86 is fixedly connected to the driving slider 81 and is located on a side of the driving slider 81 far from the driving lead screw 841.

Further, referring to fig. 1 and 2, the collecting assembly 8 further includes a lifting gear 87, and the lifting gear 87 is connected to the lifting motor 86, engaged with the lifting shaft 82, and located on a side of the lifting motor 86 close to the lifting shaft 82.

In this embodiment, the lifting motor 86 is installed on the driving slider 81, the lifting gear 87 is connected with the lifting motor 86 and is engaged with the lifting shaft 82, so far, the lifting gear 87 is driven by the driving motor 842 to rotate, the lifting gear 87 can drive the lifting shaft 82 to move up and down, and when the sludge settling tank 3 is not required to be cleaned, the scraper 83 is driven by the driving motor 842 to extend out of the sludge settling tank 4, so that the scraper 83 is prevented from being pressed by sludge and cannot be pulled.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.

Claims

1. A sewage treatment device with a sludge backflow function is characterized by comprising an anoxic tank, a filtering tank, a sedimentation tank, a screw pump, a sludge backflow pipe, a support frame and a collection assembly;

2. The sewage treatment apparatus having a sludge recirculation function according to claim 1,

the collecting assembly further comprises a reinforcing rod, and two ends of the reinforcing rod are respectively connected with the driving sliding block and the scraping plate in a sliding mode and are located between the driving sliding block and the scraping plate.

3. The sewage treatment apparatus having a sludge recirculation function according to claim 1,

4. The sewage treatment apparatus having a sludge recirculation function according to claim 3,

the collecting assembly further comprises a lifting motor, and the lifting motor is fixedly connected with the driving sliding block and is located on one side, away from the driving screw rod, of the driving sliding block.

5. The sewage treatment apparatus having a sludge recirculation function according to claim 4,