CN211644804U

CN211644804U - Aeration equipment for sewage treatment

Info

Publication number: CN211644804U
Application number: CN201922503192.9U
Authority: CN
Inventors: 张钦波; 邱庆奎; 吕峰
Original assignee: Shandong Hengsheng Environment Engineering Design Institute Co ltd
Current assignee: Shandong Hengsheng Environment Engineering Design Institute Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-09
Anticipated expiration: 2029-12-27

Abstract

The utility model discloses an aeration device for sewage treatment, which relates to the field of sewage treatment and comprises a base, wherein the top of the base is fixedly provided with an aeration box through a bracket; the axis of the aeration tank is provided with a rotating pipe; the side wall of the rotating pipe is fixedly connected with a plurality of stirring blades; the side wall of the rotating pipe is also fixedly connected with a rotating air pipe communicated with the rotating pipe, the other end of the rotating air pipe is closed, and the side wall of the rotating air pipe is provided with a plurality of one-way air outlet holes; the air blower is fixedly arranged at the top of the base, an air injection pipe is fixedly connected with the air outlet end of the air blower, extends from the bottom end of the rotating pipe into the rotating pipe and is rotatably connected with the rotating pipe through a sealing bearing. The utility model discloses an air-blower blast air makes the air discharge from one-way vent hole department, forms a large amount of micro-bubbles, and rotatory trachea rotates simultaneously for air evenly distributed further improves dissolved oxygen volume, and the aeration effect is better.

Description

Aeration equipment for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field specifically is an aeration equipment for sewage treatment.

Background

The sewage is purified to reach the water quality requirement of draining a certain water body or reusing the water body. 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 sewage treatment is generally classified into production sewage treatment and domestic sewage treatment according to the classification of sewage sources. The production sewage comprises industrial sewage, agricultural sewage, medical sewage and the like, and the domestic sewage is sewage generated in daily life and refers to complex mixtures of various forms of inorganic matters and organic matters.

The aeration treatment is sewage treatment by an activated sludge method, and a certain sewage retention time is provided in an aeration tank to meet the oxygen quantity required by aerobic microorganisms and the mixing condition of full contact of sewage and activated sludge; in the working process of the existing common aeration tank, only part of sludge can contact air, and the sludge, the sewage and the air are not uniformly mixed, so that the aeration treatment effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an aeration equipment for sewage treatment to solve the problem that proposes among the above-mentioned background art.

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

an aeration device for sewage treatment comprises a base, wherein an aeration box is fixedly arranged at the top of the base through a support; a water injection pipe is fixedly connected to the lower left corner of the aeration tank, and a one-way valve is arranged on the water injection pipe; a drain pipe is fixedly connected to the upper right corner of the aeration box; the top wall of the aeration tank is provided with a ventilation port; the rotary pipe penetrates through the top wall and the bottom wall of the aeration tank and is respectively and rotatably connected with the top wall and the bottom wall of the aeration tank through sealing bearings; the rotating pipe bottom extends to aeration tank below and changes fixedly mounted with driven gear on the pipe, the fixed gear motor that is provided with in base top, gear motor top motor shaft fixed mounting have with driven gear engaged with driving gear: the side wall of the rotating pipe is fixedly connected with a plurality of stirring blades which are alternately arranged;

the side wall of the rotating pipe is also fixedly connected with a rotating air pipe communicated with the rotating pipe, the other end of the rotating air pipe is closed, and the side wall of the rotating air pipe is provided with a plurality of one-way air outlet holes; the air blower is fixedly arranged at the top of the base, an air injection pipe is fixedly connected with the air outlet end of the air blower, the air injection pipe extends from the bottom end of the rotating pipe, is connected with the rotating pipe in a rotating mode through a sealing bearing, and a sealing section is arranged above the rotating pipe.

As a further aspect of the present invention: the left end of the drain pipe is fixedly connected with a filter screen.

As a further aspect of the present invention: still fixed mounting has helical blade on the rotating tube, helical blade is located stirring vane below.

As a further aspect of the present invention: the side wall of the rotating pipe is also fixedly connected with a rotating water pipe communicated with the rotating pipe.

As a further aspect of the present invention: the rotary water pipe is positioned between the helical blade and the rotary air pipe.

As a further aspect of the present invention: the side wall of the rotary water pipe is provided with a plurality of one-way water outlet holes; the aeration tank top is fixed and is provided with the water pump, and water pump intake end fixedly connected with inlet tube, water pump water outlet end fixedly connected with outlet pipe, the outlet pipe from the commentaries on classics pipe top extend in the commentaries on classics pipe and through sealed bearing with the commentaries on classics pipe rotation be connected.

As a further aspect of the present invention: the rotating pipe is positioned between the rotating air pipe and the rotating water pipe and is a closed section.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the sludge and the sewage are stirred by the stirring blades, so that the dissolved oxygen is increased, and the aeration effect is improved; the spiral blades drive the sewage and the sludge to roll up and down when rotating, so that the reaction effect is better;

2. air is blown by the blower to be discharged from the one-way air outlet to form a large number of micro bubbles, and meanwhile, the rotating air pipe rotates to enable the air to be uniformly distributed, so that the dissolved oxygen is further improved, and the aeration effect is better;

3. in sending sewage to the aeration tank through the water pump, sewage is discharged from one-way outlet, and the rotatory water pipe of cooperation is rotatory simultaneously for sewage, air, mud three homogeneous mixing, aeration treatment effect is enough good.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 3 is a schematic view of a partial structure of a junction between the transit pipe and the rotary air pipe and between the transit pipe and the rotary water pipe in embodiment 2 of the present invention.

Notations for reference numerals: 1-base, 2-aeration box, 3-water injection pipe, 4-one-way valve, 5-scavenge port, 6-drain pipe, 7-filter screen, 8-rotary pipe, 9-stirring blade, 10-helical blade, 11-rotary air pipe, 12-one-way air outlet, 13-blower, 14-air injection pipe, 15-driven gear, 16-driving gear, 17-speed reduction motor, 18-water inlet pipe, 19-water pump, 20-water outlet pipe, 21-rotary water pipe and 22-one-way water outlet hole.

Detailed Description

The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the drawings or description, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practical applications. The embodiments of the present invention are provided only for illustration, and not for limiting the scope of the present invention. Any obvious and obvious modifications or alterations to the present invention can be made without departing from the spirit and scope of the present invention.

Example 1

Referring to fig. 1, in an embodiment of the present invention, an aeration apparatus for sewage treatment includes a base 1, an aeration tank 2 is fixedly disposed on the top of the base 1 through a support, and activated sludge is filled in the aeration tank 2; a water injection pipe 3 is fixedly connected to the lower left corner of the aeration tank 2, a one-way valve 4 is arranged on the water injection pipe 3, and the one-way valve 4 plays a role in backflow prevention; a drain pipe 6 is fixedly connected to the upper right corner of the aeration box 2, and a filter screen 7 is fixedly connected to the left end of the drain pipe 6 to prevent sewage from flowing out; when the sludge dewatering device is arranged, the position of the drainage pipe 6 is far relative to the water level, so that sludge is precipitated during drainage, and excessive turbidity is prevented; the top wall of the aeration box 2 is provided with a ventilation port 5, so that air circulation and sludge replacement are facilitated; the axial line of the aeration tank 2 is provided with a rotating pipe 8, and the rotating pipe 8 penetrates through the top wall and the bottom wall of the aeration tank 2 and is respectively and rotatably connected with the top wall and the bottom wall of the aeration tank 2 through sealing bearings; the bottom end of the rotating pipe 8 extends to the lower part of the aeration tank 2, a driven gear 15 is fixedly arranged on the rotating pipe 8, a speed reducing motor 17 is fixedly arranged at the top of the base 1, and a motor shaft at the top end of the speed reducing motor 17 is fixedly provided with a driving gear 16 meshed with the driven gear 15, so that the rotating pipe 8 is driven to rotate; the side wall of the rotating pipe 8 is fixedly connected with a plurality of stirring blades 9, the stirring blades 9 are alternately arranged, and the stirring blades 9 are used for stirring sludge and sewage, so that the dissolved oxygen is increased, and the aeration effect is improved; the rotating pipe 8 is also fixedly provided with a helical blade 10, the helical blade 10 is positioned below the stirring blade 9, and the helical blade 10 drives sewage and sludge to roll up and down when rotating, so that the reaction effect is better; the side wall of the rotating pipe 8 is also fixedly connected with a rotating air pipe 11 communicated with the rotating pipe, the other end of the rotating air pipe 11 is closed, the side wall of the rotating air pipe 11 is provided with a plurality of one-way air outlet holes 12, and the one-way air outlet holes 12 are holes containing one-way valves; the top of the base 1 is fixedly provided with an air blower 13, the air outlet end of the air blower 13 is fixedly connected with an air injection pipe 14, the air injection pipe 14 extends from the bottom end of the rotating pipe 8 into the rotating pipe 8 and is rotatably connected with the rotating pipe 8 through a sealing bearing, the rotating pipe 8 is provided with a closed section above the rotating air pipe 11 to prevent air from being discharged upwards, air is blown by the air blower 13 to be discharged from a one-way air outlet hole 12 to form a large number of micro bubbles, and meanwhile, the rotating air pipe 11 rotates to enable the air to be uniformly distributed, so that the dissolved oxygen content is further improved, and the aeration effect is; sewage is discharged from the water discharge pipe 6 after entering from the water injection pipe 3 and being subjected to aeration treatment, and the aeration effect is improved in multiple modes, so that the purification effect of the sewage at the stage is good enough, and the water quality is improved.

Example 2

Referring to fig. 2 to 3, on the basis of embodiment 1, the side wall of the rotating pipe 8 is further fixedly connected with a rotating water pipe 21 communicated therewith, the rotating water pipe 21 is located between the helical blade 10 and the rotating air pipe 11, the side wall of the rotating water pipe 21 is provided with a plurality of one-way water outlets 22, and the one-way water outlets 22 are holes containing one-way valves; a water pump 19 is fixedly arranged at the top of the aeration tank 2, a water inlet end of the water pump 19 is fixedly connected with a water inlet pipe 18, a water outlet end of the water pump 19 is fixedly connected with a water outlet pipe 20, and the water outlet pipe 20 extends from the top end of the rotating pipe 8 into the rotating pipe 8 and is rotatably connected with the rotating pipe 8 through a sealing bearing; the rotary pipe 8 is positioned between the rotary air pipe 11 and the rotary water pipe 21 and is a closed section, and air and sewage in the rotary pipe 8 are not interfered with each other; accessible water pump 19 is pumped sewage to aeration tank 2 in, sewage is discharged from one-way apopore 22, and the rotatory water pipe 21 of cooperation is rotatory simultaneously for sewage, air, mud three homogeneous mixing, the aeration treatment effect is enough good.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An aeration device for sewage treatment comprises a base (1), wherein an aeration box (2) is fixedly arranged at the top of the base (1) through a support; a water injection pipe (3) is fixedly connected to the lower left corner of the aeration tank (2), and a one-way valve (4) is arranged on the water injection pipe (3); a drain pipe (6) is fixedly connected to the upper right corner of the aeration box (2); the top wall of the aeration box (2) is provided with a ventilation port (5); the device is characterized in that a rotating pipe (8) is arranged on the axis of the aeration box (2), and the rotating pipe (8) penetrates through the top wall and the bottom wall of the aeration box (2) and is respectively in rotating connection with the top wall and the bottom wall of the aeration box (2) through a sealing bearing; the bottom end of the rotating pipe (8) extends to the lower part of the aeration tank (2), a driven gear (15) is fixedly arranged on the rotating pipe (8), a speed reducing motor (17) is fixedly arranged at the top of the base (1), and a driving gear (16) meshed with the driven gear (15) is fixedly arranged on a motor shaft at the top end of the speed reducing motor (17); the side wall of the rotating pipe (8) is fixedly connected with a plurality of stirring blades (9), and the stirring blades (9) are alternately arranged;

the side wall of the rotating pipe (8) is also fixedly connected with a rotating air pipe (11) communicated with the rotating pipe, the other end of the rotating air pipe (11) is closed, and a plurality of one-way air outlet holes (12) are formed in the side wall of the rotating air pipe (11); the air blower is characterized in that an air blower (13) is fixedly arranged at the top of the base (1), an air outlet end of the air blower (13) is fixedly connected with an air injection pipe (14), the air injection pipe (14) extends into the rotating pipe (8) from the bottom end of the rotating pipe (8) and is rotatably connected with the rotating pipe (8) through a sealing bearing, and a sealing section is arranged above the rotating pipe (8) and located on the rotating air pipe (11).

2. An aeration apparatus for sewage treatment according to claim 1, wherein a filter screen (7) is fixedly connected to the left end of the drain pipe (6).

3. An aeration apparatus for sewage treatment according to claim 1 or 2, wherein a helical blade (10) is further fixedly mounted on the rotary pipe (8), and the helical blade (10) is located below the stirring blade (9).

4. An aeration apparatus for sewage treatment according to claim 3, wherein a rotary water pipe (21) communicating therewith is further fixedly connected to the side wall of the rotary pipe (8).

5. An aeration apparatus for wastewater treatment according to claim 4, wherein the rotary water pipe (21) is located between the helical blade (10) and the rotary air pipe (11).

6. An aeration apparatus for sewage treatment according to claim 4, wherein the side wall of the rotary water pipe (21) is provided with a plurality of unidirectional water outlet holes (22); aeration tank (2) top is fixed and is provided with water pump (19), and water pump (19) intake end fixedly connected with inlet tube (18), and water pump (19) outlet end fixedly connected with outlet pipe (20), outlet pipe (20) just rotate with rotating pipe (8) through sealed bearing and are connected in extending rotating pipe (8) from rotating pipe (8) top.

7. An aeration device for sewage treatment according to claim 6, wherein said rotary pipe (8) is located between the rotary air pipe (11) and the rotary water pipe (21) as a closed section.