CN216584375U

CN216584375U - Aerobic tank for urban sewage treatment

Info

Publication number: CN216584375U
Application number: CN202122941717.4U
Authority: CN
Inventors: 崔建平; 吉建斌; 赵广胜; 李清清
Original assignee: Langfang Lanbo Ecological Environment Engineering Co ltd
Current assignee: Langfang Lanbo Ecological Environment Engineering Co ltd
Priority date: 2021-11-26
Filing date: 2021-11-26
Publication date: 2022-05-24
Anticipated expiration: 2031-11-26

Abstract

The utility model relates to an aerobic tank for town sewage treatment, which comprises a treatment tank, a gear ring, planetary gears and a central gear, wherein the central gear positioned at the same side of the treatment tank is sleeved in the gear ring, the central gear is fixedly connected with the inner wall of the treatment tank, the gear ring is rotatably connected with the inner wall of the treatment tank, the planetary gears are positioned between the gear ring and the central gear, the top of the treatment tank is provided with a motor, the motor is provided with a rotating shaft, the rotating shaft is provided with a driving gear, the driving gear is meshed with the outer teeth of the gear ring, a stirring shaft is connected between the two planetary gears arranged at the inner walls of the left side and the right side of the treatment tank, a plurality of stirring blade groups are uniformly arranged on the stirring shaft along the axial direction of the stirring shaft, and each stirring blade group comprises a plurality of stirring blades uniformly distributed along the outer circumference of the stirring shaft. The utility model is provided with the planetary gear which revolves around the central gear and rotates simultaneously, drives the stirring shaft and the stirring blades to stir the sewage, and has high stirring efficiency.

Description

Aerobic tank for urban sewage treatment

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to an aerobic tank for urban sewage treatment.

Background

Sewage treatment refers to a process of purifying sewage to meet the water quality requirement of discharging the sewage into a certain water body or reusing the sewage. Sewage treatment is widely applied to various fields such as buildings, agriculture, traffic, energy, petrifaction, environmental protection, urban landscape, medical treatment, catering and the like, and is increasingly used in daily life of common people.

The aerobic tank is a sewage treatment device, and sewage is fully contacted with air in an aeration or stirring mode, so that the content of dissolved oxygen in water is 4mg/L, and the aerobic tank is suitable for the survival and propagation of aerobic microorganisms, thereby treating pollutants in water.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an aerobic tank for urban sewage treatment, which aims to solve the problems that the existing aerobic tank is insufficient in sewage stirring and low in efficiency.

In order to achieve the purpose, the technical means adopted by the utility model are as follows:

an aerobic tank for town sewage treatment comprises a hollow treatment tank with an open top, wherein the inner walls of the left side and the right side of the treatment tank are symmetrically provided with a gear ring, a planetary gear and a central gear, the central gear positioned at the same side of the treatment tank is sleeved in the gear ring, the central gear is fixedly connected with the inner wall of the treatment tank, the gear ring is rotatably connected with the inner wall of the treatment tank, the planetary gear is positioned between the gear ring and the central gear, the outer circumference of the gear ring is provided with outer teeth, the inner circumference of the gear ring is provided with inner teeth, the planetary gear is meshed with the inner teeth of the gear ring, the planetary gear is meshed with the central gear, the top of the treatment tank is provided with a motor, the motor is provided with a rotating shaft, the central axis of the rotating shaft is parallel to the central axis of the central gear, and the rotating shaft is provided with a driving gear, the driving gear with the ring gear the external tooth meshing sets up two of the inner wall of the left and right sides in handling the pond be connected with the (mixing) shaft between the planetary gear, evenly set up a plurality of stirring vane groups along its axial on the (mixing) shaft, every stirring vane group includes a plurality of edges a plurality of stirring vane of the outer circumference evenly distributed of (mixing) shaft.

The inner wall of the left side and the right side of the treatment pool is respectively provided with a support shaft in a rotating mode, the gear ring is correspondingly provided with four support shafts, the support shafts are arranged along the circumference of the gear ring in an even mode, the support shafts are provided with support gears, and the support gears are meshed with the outer teeth of the gear ring.

The outer ring of the gear ring, the support gear and the driving gear are bevel gears.

The utility model has the beneficial effects that:

the utility model is provided with the planetary gear which revolves around the central gear and rotates simultaneously, drives the stirring shaft and the stirring blades to revolve around the central gear and rotate simultaneously, stirs the sewage, and has high stirring efficiency.

Drawings

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

fig. 2 is a schematic sectional view in the direction of a-a in fig. 1.

In the figure: 1: a treatment tank; 2: a ring gear; 3: a planetary gear; 4: a sun gear; 5: a motor; 6: a driving gear; 7: a rotating shaft; 8: a stirring shaft; 9: a stirring blade; 10: a support shaft; 11: a support gear; 21: an outer tooth; 22: internal teeth.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Several embodiments of the utility model are presented. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "two sides," "left," "right," and the like are used herein for illustrative purposes only.

The utility model provides a technical scheme that:

an aerobic tank for town sewage treatment, as shown in figure 1, comprises a hollow treatment tank 1 with an opening at the top, wherein the inner walls of the left side and the right side of the treatment tank 1 are symmetrically provided with a gear ring 2, a planetary gear 3 and a central gear 4, the central gear 4 is fixedly connected with the inner wall of the treatment tank 1, the gear ring 2 is rotatably connected with the inner wall of the treatment tank 1, the axis of the gear ring 2 is superposed with the axis of the central gear 4, the outer ring of the gear ring 2 is provided with outer teeth 21, the inner ring of the gear ring 2 is provided with inner teeth 22, the planetary gear 3 is meshed with the inner teeth 22 of the gear ring 2, meanwhile, the planetary gear 3 is meshed with the central gear 4, a stirring shaft 8 is connected between the two planetary gears 3 arranged on the left inner wall and the right inner wall of the treatment tank 1, a plurality of stirring blade groups are evenly arranged on the stirring shaft 8 along the axial direction, each stirring blade group comprises a plurality of stirring blades 9 evenly distributed along the outer circumference of the stirring shaft 8, stirring shaft 8 is provided with stirring vane 9, and the top in processing pond 1 is provided with motor 5, is provided with pivot 7 on the motor 5, is provided with driving gear 6 on the pivot 7, and driving gear 6 meshes with the external tooth 21 of ring gear 2.

As shown in fig. 2, the inner walls of the left and right sides of the treatment tank 1 are rotatably provided with support shafts 10, the support shafts 10 are provided with support gears 11, the support gears 11 are engaged with the external teeth 21 of the ring gears 2, each ring gear 2 is correspondingly provided with four support gears 11, and the support gears 11 are uniformly arranged along the circumferential direction of the ring gear 2.

As shown in fig. 1 and 2, in the present embodiment, the outer ring of the gear ring 2, the support gear 11 and the driving gear 6 are all bevel gears, and when the support gear 11 is engaged with the external teeth 21 of the gear ring 2, a lateral force toward the processing tank 1 is generated on the gear ring 2, so as to prevent the gear ring 2 from being disengaged from the rotating system, and enhance the operation stability.

The manual starting motor 5 rotates, the driving gear 6 is driven to rotate through the rotating shaft 7, the driving gear 6 drives the gear ring 2 to rotate, the gear ring 2, the planetary gear 3 and the central gear 4 are matched with each other, the planetary gear 3 rotates around the central gear 4 while revolving, and the planetary gear 3 drives the stirring shaft 8 and the stirring blades 9 to fully stir water in the treatment pool 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aerobic tank for town sewage treatment, its characterized in that includes open-top's hollow processing pond, the inner wall symmetry of the left and right sides of processing pond is provided with ring gear, planetary gear and sun gear, is located the sun gear cover of processing pond homonymy is established in the ring gear, sun gear with the inner wall fixed connection who handles the pond, the ring gear with the inner wall of handling the pond rotates to be connected, planetary gear is located between the ring gear and the sun gear, the outer circumference of ring gear is provided with the external tooth, the interior circumference of ring gear is provided with the internal tooth, planetary gear with the internal tooth meshing of ring gear, just planetary gear with sun gear meshing, the top of handling the pond is provided with the motor, be provided with the pivot on the motor, the central axis of pivot is parallel with sun gear's the central axis, the stirring device is characterized in that a driving gear is arranged on the rotating shaft, the driving gear is meshed with the outer teeth of the gear ring, two stirring shafts are arranged between the planetary gears on the inner walls of the left side and the right side of the treatment pool, a plurality of stirring blade groups are uniformly arranged on the stirring shafts along the axial direction of the stirring shafts, and each stirring blade group comprises a plurality of stirring blades which are uniformly distributed on the outer circumference of each stirring shaft.

2. The aerobic tank for the treatment of town sewage according to claim 1, wherein the inner walls of the left and right sides of the treatment tank are respectively provided with a support shaft in a rotating manner, the gear ring is correspondingly provided with four support shafts, the support shafts are uniformly arranged along the circumference of the gear ring, the support shafts are provided with support gears, and the support gears are meshed with the external teeth of the gear ring.

3. The aerobic tank for town sewage treatment according to claim 2, wherein the external teeth of the ring gear, the support gear and the driving gear are bevel gears.