CN210214935U

CN210214935U - Sewage treatment equipment capable of avoiding generation of activated sludge

Info

Publication number: CN210214935U
Application number: CN201921052829.0U
Authority: CN
Inventors: Jiayun Zhang; 张加云
Original assignee: Baoshan Brothers Environmental Technology Co Ltd
Current assignee: Baoshan Brothers Environmental Technology Co Ltd
Priority date: 2019-07-08
Filing date: 2019-07-08
Publication date: 2020-03-31
Anticipated expiration: 2029-07-08

Abstract

The utility model relates to the technical field of sewage treatment equipment, in particular to sewage treatment equipment capable of avoiding the generation of activated sludge, which comprises an anaerobic tank, wherein one side of the anaerobic tank is provided with an aerobic tank, the outer wall of the circumference of the oxygen tank is tightly welded with a connecting pipe, and the two ends of the connecting pipe are respectively communicated with the anaerobic tank and the interior of the aerobic tank; the sewage treatment equipment capable of avoiding the generation of activated sludge is provided with the anaerobic tank and the aerobic tank, so that organic matters and the like can be conveniently decomposed, and sewage can be conveniently purified; meanwhile, the first aeration device and the second aeration device are arranged in the aerobic tank, so that the aeration rate of the aerobic tank is improved, the oxygen content of sewage in the aerobic tank is increased, the survival of microorganisms is facilitated, the activity of the microorganisms is improved, the degradation capability is improved, and the problem that the aeration effect of the aerobic tank in the existing sewage treatment equipment is poor is solved.

Description

Sewage treatment equipment capable of avoiding generation of activated sludge

Technical Field

The utility model relates to a sewage treatment device technical field specifically is a sewage treatment device that can avoid activated sludge to produce.

Background

Along with the development of urbanization, sewage treatment is also more important, in the existing sewage treatment, the AO sewage treatment process is a widely used mode, in the sewage treatment process, the aeration of an aerobic tank is crucial, the oxygen content in sewage determines the activity and degradation capability of microorganisms, and the aeration effect of the aerobic tank in the existing sewage treatment equipment is poor, so that the sewage treatment equipment capable of avoiding the generation of activated sludge is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a sewage treatment device capable of avoiding the generation of activated sludge, so as to solve the problem of poor aeration effect of an aerobic tank in the existing sewage treatment device provided in the background technology.

In order to achieve the above object, the utility model provides a following technical scheme:

a sewage treatment device capable of avoiding the generation of activated sludge comprises an anaerobic tank, wherein an aerobic tank is arranged on one side of the anaerobic tank; the connecting pipe is tightly welded on the circumferential outer wall of the anaerobic tank, and two ends of the connecting pipe are respectively communicated with the interiors of the anaerobic tank and the aerobic tank; a boss is tightly welded at the center of the bottom surface of the aerobic tank, the boss is of a hollow structure, and the top surface of the boss is fixedly connected with a motor through a bolt; a plurality of first aeration devices which are distributed at equal intervals in an annular manner are arranged in the aerobic tank, each first aeration device comprises a plurality of rotating shafts which are distributed at equal intervals in an annular manner, one end of each rotating shaft is rotatably connected with the inner wall of the aerobic tank through a bearing, the other end of each rotating shaft penetrates through the outer wall of the corresponding boss, small bevel gears are coaxially and tightly welded at the other ends of the rotating shafts, an output shaft of the motor penetrates through the top surface of the corresponding boss, a large bevel gear is coaxially and tightly welded at the end part of an output shaft of the motor and meshed with the small bevel gear, lantern rings are tightly welded on the rotating shafts, a plurality of impellers are annularly and tightly welded on the outer walls of the circumferences of the lantern rings at equal intervals, and a plurality of air holes are formed in the impellers at equal intervals; the interior bottom surface of good oxygen pond still is equipped with second aeration equipment, second aeration equipment includes a plurality of ring pipes, and is a plurality of be annular equidistant a plurality of branch pipes of inseparable welding between the ring pipe, the branch pipe with the ring pipe is linked together, is located the outside the tight welding has the intake pipe on the ring pipe, still be annular equidistant a plurality of screw holes of having seted up on the ring pipe, screw hole female connection has the aeration cover, the top surface of aeration cover is annular equidistant a plurality of aeration holes of having seted up.

Preferably, the bottom surfaces of the anaerobic tank and the aerobic tank are both in the shape of a ring and are tightly welded with a plurality of support legs at equal intervals.

Preferably, a water inlet is welded on the circumferential outer wall of the anaerobic tank closely and communicated with the inside of the anaerobic tank.

Preferably, a water outlet pipe is tightly welded on the circumferential outer wall of the aerobic tank, and a valve is fixedly connected to the water outlet pipe through a flange plate.

Preferably, the number of the first aeration devices is 5 to 7.

Preferably, the air inlet pipe, the annular pipe, the branch pipe, the aeration cover and the aeration hole are communicated in sequence.

Preferably, the plurality of annular tubes are concentrically arranged.

Compared with the prior art, the beneficial effects of the utility model are that: the sewage treatment equipment capable of avoiding the generation of activated sludge is provided with the anaerobic tank and the aerobic tank, so that organic matters and the like can be conveniently decomposed, and sewage can be conveniently purified; meanwhile, the first aeration device and the second aeration device are arranged in the aerobic tank, so that the aeration rate of the aerobic tank is improved, the oxygen content of sewage in the aerobic tank is increased, the survival of microorganisms is facilitated, the activity of the microorganisms is improved, the degradation capability is improved, and the problem that the aeration effect of the aerobic tank in the existing sewage treatment equipment is poor is solved.

Drawings

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

FIG. 2 is a schematic view of a part of the structure of the present invention;

FIG. 3 is a schematic structural view of a first aeration apparatus of the present invention;

fig. 4 is a schematic structural view of an impeller of the present invention;

FIG. 5 is a schematic structural view of a second aeration apparatus according to the present invention;

FIG. 6 is a schematic view of a part of the second aeration apparatus according to the present invention;

fig. 7 is a schematic structural view of the middle aeration cover of the present invention.

In the figure: 1. an anaerobic tank; 11. a water inlet; 12. a connecting pipe; 2. an aerobic tank; 21. a boss; 22. a motor; 23. a water outlet pipe; 24. a valve; 3. a support leg; 4. a first aeration device; 41. a large bevel gear; 42. a bevel pinion gear; 43. a rotating shaft; 44. an impeller; 441. air holes; 45. a collar; 5. a second aeration device; 51. an annular tube; 511. a threaded hole; 52. a branch pipe; 53. an air inlet pipe; 54. an aeration cover; 541. and (4) aeration holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

A sewage treatment device capable of avoiding the generation of activated sludge, as shown in figures 1 to 7, comprising an anaerobic tank 1, wherein an aerobic tank 2 is arranged at one side of the anaerobic tank 1; the connecting pipe 12 is tightly welded on the circumferential outer wall of the anaerobic tank 1, and two ends of the connecting pipe 12 are respectively communicated with the interiors of the anaerobic tank 1 and the aerobic tank 2; a boss 21 is tightly welded at the center of the bottom surface of the aerobic tank 2, the boss 21 is of a hollow structure, and the top surface of the boss 21 is fixedly connected with a motor 22 through a bolt; a plurality of first aeration devices 4 which are distributed at equal intervals in an annular manner are arranged in the aerobic tank 2, each first aeration device 4 comprises a plurality of rotating shafts 43 which are distributed at equal intervals in an annular manner, one end of each rotating shaft 43 is rotatably connected with the inner wall of the aerobic tank 2 through a bearing, the other end of each rotating shaft 43 penetrates through the outer wall of the corresponding boss 21, small bevel gears 42 are coaxially and tightly welded at the other ends of the rotating shafts 43, an output shaft of the motor 22 penetrates through the top surface of the corresponding boss 21, a large bevel gear 41 is coaxially and tightly welded at the end part of the output shaft of the motor 22, the large bevel gear 41 is meshed with the small bevel gear 42, lantern rings 45 are tightly welded on the rotating shafts 43, a plurality of impellers 44 are annularly and closely welded at equal intervals on the circumferential outer walls of the lantern; the interior bottom surface of good oxygen pond 2 still is equipped with second aeration equipment 5, second aeration equipment 5 includes a plurality of ring pipes 51, be a plurality of branch pipes 52 of the inseparable welding of annular equidistant between a plurality of ring pipes 51, branch pipe 52 is linked together with ring pipe 51, the inseparable welding has intake pipe 53 on the ring pipe 51 that is located the outside, still be a plurality of screw holes 511 of seting up of annular equidistant on ring pipe 51, screw hole 511 female connection has aeration cover 54, aeration cover 54's top surface is a plurality of aeration holes 541 of seting up of annular equidistant.

Specifically, the bottom surfaces of the anaerobic tank 1 and the aerobic tank 2 are both in the shape of an annular and equidistant tight welded structure with a plurality of support legs 3, and the plurality of support legs 3 respectively provide stable support for the anaerobic tank 1 and the aerobic tank 2.

Furthermore, a water inlet 11 is tightly welded on the outer wall of the circumference of the anaerobic tank 1, the water inlet 11 is communicated with the inside of the anaerobic tank 1, and the water inlet 11 is used for the entering of sewage.

In addition, a water outlet pipe 23 is tightly welded on the circumferential outer wall of the aerobic tank 2, a valve 24 is fixedly connected to the water outlet pipe 23 through a flange plate, and the valve 24 is used for controlling the water outlet pipe 23 to discharge sewage.

Specifically, the number of the first aeration devices 4 is 5 to 7, the preferable number of the first aeration devices 4 is 6, and the plurality of aeration devices 4 can increase the oxygen content of the sewage in the aerobic tank 2, so that the microorganisms can survive conveniently.

Furthermore, the air inlet pipe 53, the annular pipe 51, the branch pipe 52, the aeration cover 54 and the aeration holes 541 are communicated in sequence, air enters the annular pipe 51 and the branch pipe 52 through the air inlet pipe 53 and is discharged through the aeration holes 541 in the aeration cover 54, the air is partially dissolved in sewage, and the oxygen content in the sewage is increased.

In addition, the plurality of annular pipes 51 are concentrically arranged, and the plurality of concentrically arranged annular pipes 51 are uniformly laid on the inner bottom surface of the aerobic tank 2, so that uniform aeration can be realized.

It is worth to be noted that, anaerobic rope-shaped filler is added into the anaerobic tank 1 in the embodiment, and the anaerobic rope-shaped filler enables anaerobic bacteria to be attached to the filler, so that the anaerobic effect is enhanced, and the hydraulic retention time is shortened to 2 hours; in the embodiment, the aerobic tank 2 is filled with MBBR filler, which increases the oxygen utilization rate and reduces the generation of activated sludge.

It should be noted that the motor 22 in this embodiment is a medium gear reduction motor produced by the koita electric appliance in Dongguan city, and its matching circuit and power module can also be provided by the manufacturer.

In addition, the intake pipe 53 in this embodiment passes through the hose and the air supply (such as air pump, etc.), and the setting of the second aeration device 5 in this embodiment can realize the effect of dissolving external oxygen in sewage, and then has increased the sewage oxygen content, is fit for the microorganism to live, has improved biological activity, has improved the degradation ability of aerobic tank 2.

When the sewage treatment equipment capable of avoiding the generation of activated sludge is used, a user firstly switches on the power supply of the motor 22, the motor 22 starts to work synchronously, at the moment, sewage enters the anaerobic tank 1 through the water inlet 11 and enters the aerobic tank 2 through the connecting pipe 12, at the moment, the output shaft of the motor 22 rotates to drive the large bevel gear 41 to rotate, the small bevel gear 42 rotates synchronously, at the moment, the rotating shaft 43 rotates and drives the lantern ring 45 and the impeller 44 to rotate, under the stirring action of the air hole 441 and the impeller 44, oxygen in the air is dissolved in the sewage, at the same time, the user sends the air from the outside into the air inlet pipe 53 through the air pump, at the same time, the air enters the straight pipe 52 and the annular pipe 51 and is sprayed out through the aeration hole 541 on the aeration cover 54, at the moment, the oxygen in the air is dissolved in the water, the oxygen content of the sewage is increased, the, and the organic matters in the sewage are quickly degraded.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A sewage treatment plant capable of avoiding the production of activated sludge, comprising an anaerobic tank (1), characterized in that: an aerobic tank (2) is arranged on one side of the anaerobic tank (1); a connecting pipe (12) is tightly welded on the circumferential outer wall of the anaerobic tank (1), and two ends of the connecting pipe (12) are respectively communicated with the interiors of the anaerobic tank (1) and the aerobic tank (2); a boss (21) is tightly welded at the center of the bottom surface of the aerobic tank (2), the boss (21) is of a hollow structure, and the top surface of the boss (21) is fixedly connected with a motor (22) through a bolt; be equipped with a plurality of first aeration equipment (4) that are annular equidistant distribution in aerobic tank (2), first aeration equipment (4) include a plurality of pivot (43) that are annular equidistant distribution, the one end of pivot (43) pass through the bearing with the inner wall of aerobic tank (2) is rotated and is connected, the other end of pivot (43) is passed the outer wall of boss (21), just the coaxial inseparable welding of the other end of pivot (43) has bevel pinion (42), the output shaft of motor (22) passes boss (21) top surface, just the coaxial inseparable welding of output shaft tip of motor (22) has bevel pinion (41), bevel pinion (41) with bevel pinion (42) mesh mutually, the inseparable welding has lantern ring (45) on pivot (43), the circumference outer wall of lantern ring (45) is the inseparable welding of annular equidistant and has a plurality of impellers (44), a plurality of air holes (441) are formed in the impeller (44) at equal intervals; the interior bottom surface of good oxygen pond (2) still is equipped with second aeration equipment (5), second aeration equipment (5) are including a plurality of ring pipe (51), and are a plurality of branch pipe (52) of inseparable welding that are annular equidistant between ring pipe (51), branch pipe (52) with ring pipe (51) are linked together, are located the outside the tight welding has intake pipe (53) on ring pipe (51), still be a plurality of screw holes (511) of having seted up of annular equidistant on ring pipe (51), screw hole (511) female connection has aeration cover (54), the top surface of aeration cover (54) is a plurality of aeration holes (541) of having seted up of annular equidistant.

2. The apparatus for treating sewage avoiding generation of activated sludge according to claim 1, wherein: the bottom surfaces of the anaerobic tank (1) and the aerobic tank (2) are respectively provided with a plurality of support legs (3) in an annular and equidistant tight welding mode.

3. The apparatus for treating sewage avoiding generation of activated sludge according to claim 1, wherein: a water inlet (11) is tightly welded on the circumferential outer wall of the anaerobic tank (1), and the water inlet (11) is communicated with the inside of the anaerobic tank (1).

4. The apparatus for treating sewage avoiding generation of activated sludge according to claim 1, wherein: the aerobic tank is characterized in that a water outlet pipe (23) is tightly welded on the circumferential outer wall of the aerobic tank (2), and a valve (24) is fixedly connected onto the water outlet pipe (23) through a flange plate.

5. The apparatus for treating sewage avoiding generation of activated sludge according to claim 1, wherein: the number of the first aeration devices (4) is 5 to 7.

6. The apparatus for treating sewage avoiding generation of activated sludge according to claim 1, wherein: the air inlet pipe (53), the annular pipe (51), the branch pipe (52), the aeration cover (54) and the aeration holes (541) are communicated in sequence.

7. The apparatus for treating sewage avoiding generation of activated sludge according to claim 1, wherein: the plurality of annular tubes (51) are concentrically arranged.