CN214693668U

CN214693668U - Sand removing device for biological reaction tank

Info

Publication number: CN214693668U
Application number: CN202120746161.0U
Authority: CN
Inventors: 陈春; 许剑平; 顾卫东; 金鸣; 徐龙
Original assignee: Shanghai Water Construction & Engineering Co ltd
Current assignee: Shanghai Water Construction & Engineering Co ltd
Priority date: 2021-04-13
Filing date: 2021-04-13
Publication date: 2021-11-12
Anticipated expiration: 2031-04-13

Abstract

The utility model belongs to the technical field of sewage treatment, and particularly discloses a desanding device for a biological reaction tank, which comprises a stirring tank, a flocculation tank and a sedimentation tank; the top end of one side of the stirring tank is communicated with a water inlet pipe, the bottom end of the other side of the stirring tank is communicated with a first communicating pipeline, a top plate is horizontally fixed at the top end of the stirring tank, a stirring assembly is arranged on the surface of the top plate, a flocculation tank and an auxiliary agent tank are respectively arranged on two sides of the stirring assembly, and the flocculation tank and the auxiliary agent tank are respectively communicated with the interior of the stirring tank through a first dosing pipeline and a second dosing pipeline; the other end of the first communicating pipeline is communicated with the flocculation tank, a plurality of flow guide assemblies are arranged in the flocculation tank at equal intervals, and the other side of the flocculation tank is communicated with the sedimentation tank through a second communicating pipeline; and a filtering component is arranged in the sedimentation tank.

Description

Sand removing device for biological reaction tank

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sand removal device for biological reaction pond.

Background

With the rapid development and the continuous improvement of the living standard of medium and small towns, the environmental pollution caused by the domestic sewage discharge of the medium and small towns is increasingly serious. The domestic sewage treatment in medium and small towns is characterized by low treatment rate, intermittent discharge, small discharge amount and dispersion.

The SBR process is an activated sludge process sewage treatment process which operates intermittently, and has the advantages of simple process, flexible operation mode, good controllability and the like, so the SBR process is widely applied to domestic sewage treatment in medium and small towns.

The SBR method is used for treating domestic sewage and needs to introduce the sewage into the sedimentation tank before use to carry out preliminary sedimentation and filtration, but the existing sedimentation tank only can lead the sewage to be statically precipitated, the sedimentation time is long, the sedimentation effect is poor, the treatment period is prolonged, and the cost is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a biological reaction is sand removal device for pond 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: a desanding device for a biological reaction tank comprises a stirring tank, a flocculation tank and a sedimentation tank; the top end of one side of the stirring tank is communicated with a water inlet pipe, the bottom end of the other side of the stirring tank is communicated with a first communicating pipeline, a top plate is horizontally fixed at the top end of the stirring tank, a stirring assembly is arranged on the surface of the top plate, a flocculation tank and an auxiliary agent tank are respectively arranged on two sides of the stirring assembly, and the flocculation tank and the auxiliary agent tank are respectively communicated with the interior of the stirring tank through a first dosing pipeline and a second dosing pipeline; the other end of the first communicating pipeline is communicated with the flocculation tank, a plurality of flow guide assemblies are arranged in the flocculation tank at equal intervals, and the other side of the flocculation tank is communicated with the sedimentation tank through a second communicating pipeline; and a filtering component is arranged in the sedimentation tank.

Preferably, the stirring assembly comprises a stirring motor, a stirring shaft and stirring teeth; the stirring motor is fixedly arranged at the center of the surface of the top plate, and the output end of the stirring motor is fixedly connected with a stirring shaft.

Preferably, the stirring shaft is vertically arranged inside the stirring tank, a plurality of stirring teeth are longitudinally fixed on the surface of the stirring shaft at equal intervals, the stirring shaft sleeve is provided with a baffle ring, and the stirring shaft is in threaded connection with the baffle ring.

Preferably, the guide assembly comprises a plurality of first guide plates and a plurality of second guide plates, the first guide plates and the second guide plates are obliquely arranged and are symmetrical to each other, and the first guide plates and the second guide plates are vertical to each other and are overlapped and fixed in a staggered mode.

Preferably, the filter assembly comprises a filter screen, an inclined plate and a clean water tank; inside the filter screen level was fixed in the sedimentation tank, the filter screen surface equidistant is provided with a plurality of swash plates, swash plate both sides and sedimentation tank inner wall sliding connection.

Preferably, a clear water tank is horizontally fixed at the top ends of the inclined plates, and a plurality of overflow holes are formed in the bottom surface of the clear water tank at equal intervals.

Preferably, the inclination angle of the inclined plate is 55-65 degrees.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a cooperation of stirring subassembly, flocculation tank and auxiliary agent jar makes the sewage can be abundant mix with the flocculating agent to further strengthen the flocculation effect of flocculating agent by the auxiliary agent, thereby the subsequent sedimentation treatment of being more convenient for.

The utility model discloses a set up the water conservancy diversion subassembly in flocculation basin and the flocculation basin, can carry out the water conservancy diversion to sewage, the tiny particle that makes the inside flocculation of sewage become collides each other and forms the large granule to subsequent subsiding of being more convenient for, in order to guarantee best precipitation effect, the practicality is strong.

Drawings

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

fig. 2 is a schematic structural diagram of the stirring tank of the present invention.

In the figure: 1. a stirring tank; 2. a water inlet pipe; 3. a top plate; 4. a stirring assembly; 5. a stirring motor; 6. a stirring shaft; 7. stirring teeth; 8. a baffle ring; 9. a flocculation tank; 10. an auxiliary agent tank; 11. a first dosing pipeline; 12. a second dosing pipeline; 13. a flocculation tank; 14. a flow guide assembly; 15. a first baffle; 16. a second baffle; 17. a sedimentation tank; 18. a filter assembly; 19. filtering with a screen; 20. a sloping plate; 21. a clear water tank; 22. an overflow aperture; 23. a first communicating pipe; 24. a second communicating conduit.

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 should be noted that the terms "vertical", "upper", "lower", "horizontal", 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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a desanding device for a biological reaction tank comprises a stirring tank 1, a flocculation tank 13 and a sedimentation tank 17; the top end of one side of the stirring tank 1 is communicated with a water inlet pipe 2, the bottom end of the other side of the stirring tank 1 is communicated with a first communication pipeline 23, the top end of the stirring tank 1 is horizontally fixed with a top plate 3, the surface of the top plate 3 is provided with a stirring assembly 4, two sides of the stirring assembly 4 are respectively provided with a flocculation tank 9 and an auxiliary agent tank 10, and the flocculation tank 9 and the auxiliary agent tank 10 are respectively communicated with the inside of the stirring tank 1 through a first medicine adding pipeline 11 and a second medicine adding pipeline 12; the other end of the first communicating pipeline 23 is communicated with the flocculation tank 13, a plurality of flow guide assemblies 14 are arranged in the flocculation tank 13 at equal intervals, and the other side of the flocculation tank 13 is communicated with the sedimentation tank 17 through a second communicating pipeline 24; the interior of the sedimentation tank 17 is provided with a filter assembly 18.

Further, the stirring assembly 4 comprises a stirring motor 5, a stirring shaft 6 and stirring teeth 7; the stirring motor 5 is fixedly arranged at the center of the surface of the top plate 3, and the output end of the stirring motor 5 is fixedly connected with a stirring shaft 6.

Further, the (mixing) shaft 6 is vertical to be set up inside agitator tank 1, and (mixing) shaft 6 surface is vertically equidistant to be fixed with a plurality of stirring teeth 7, and (mixing) shaft 6 cover is equipped with and keeps off ring 8 and (mixing) shaft 6 and keeps off ring 8 and pass through threaded connection.

Further, the guide assembly 14 is composed of a plurality of first guide plates 15 and second guide plates 16, the first guide plates 15 and the second guide plates 16 are obliquely arranged and are symmetrical to each other, and the plurality of first guide plates 15 and the plurality of second guide plates 16 are vertically arranged and are fixed to each other in a staggered and overlapping mode.

Further, the filtering assembly 18 comprises a filter screen 19, an inclined plate 20 and a clean water tank 21; inside filter screen 19 level was fixed in sedimentation tank 17, filter screen 19 surface equidistant a plurality of swash plates 20 that are provided with, swash plate 20 both sides and sedimentation tank 17 inner wall sliding connection.

Furthermore, a clear water tank 21 is horizontally fixed on the top ends of the inclined plates 20, and a plurality of overflow holes 22 are formed in the bottom surface of the clear water tank 21 at equal intervals.

Further, the inclination angle of the inclined plate 20 is 55-65 °.

The working principle is as follows: when the device is used, sewage enters the stirring tank 1 through the water inlet pipe 2, the stirring component 4 is arranged inside the stirring tank 1, the sewage can be stirred, the stirring component 4 drives the stirring shaft 6 to rotate by the stirring motor 5 when in use, so that the stirring teeth 7 rotate, the stirring teeth 7 can play a role of stirring when rotating, the flocculation tank 9 and the auxiliary agent tank 10 are respectively arranged on two sides of the stirring motor 5, a flocculating agent and an auxiliary agent are respectively stored in the flocculation tank 9 and the auxiliary agent tank 10, the sewage and the flocculating agent are fully mixed through the stirring component 4, so that the flocculation effect is achieved, and the auxiliary agent can strengthen the flocculation effect of the flocculating agent;

after being fully mixed with a flocculating agent, sewage enters a flocculation tank 13 through a first communicating pipeline 23, a plurality of flow guide assemblies 14 are arranged inside the flocculation tank 13, each flow guide assembly 14 consists of a plurality of first flow guide plates 15 and second flow guide plates 16 which are symmetrically arranged, and the first flow guide plates 15 and the second flow guide plates 16 are overlapped in a staggered mode, so that a flow guide effect is achieved on the sewage, small particles flocculated inside the sewage collide with each other to form large particles, and subsequent sedimentation is facilitated;

then, the sewage enters the sedimentation tank 17 through the second communicating pipe 24, large particles in the sewage are settled at the bottom end of the sedimentation tank 17 to achieve the purpose of sedimentation, the sewage rises through the filtering component 18, and the filtering component 18 comprises a filter screen 19, an inclined plate 20 and a clean water tank 21; the filter screen 19 can play the filtering action to sewage, and can support a plurality of swash plates 20 fixedly, and sewage is when climbing swash plate 20, and the big particulate matter that carries can follow the gliding of swash plate 20 surface to play better precipitation effect, final sewage flows into in the clear water groove 21 through overflow hole 22.

It is worth noting that: the whole device is controlled by the master control button, and the equipment matched with the control button is common equipment, so that the device belongs to the prior art, and the electrical connection relation and the specific circuit structure of the device are not repeated.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a sand removal device for biological reaction pond which characterized in that: comprises a stirring tank (1), a flocculation tank (13) and a sedimentation tank (17); the top end of one side of the stirring tank (1) is communicated with a water inlet pipe (2), the bottom end of the other side of the stirring tank is communicated with a first communicating pipeline (23), a top plate (3) is horizontally fixed at the top end of the stirring tank (1), a stirring assembly (4) is arranged on the surface of the top plate (3), a flocculation tank (9) and an auxiliary agent tank (10) are respectively arranged on two sides of the stirring assembly (4), and the flocculation tank (9) and the auxiliary agent tank (10) are respectively communicated with the interior of the stirring tank (1) through a first medicine adding pipeline (11) and a second medicine adding pipeline (12); the other end of the first communicating pipeline (23) is communicated with the flocculation tank (13), a plurality of flow guide assemblies (14) are arranged in the flocculation tank (13) at equal intervals, and the other side of the flocculation tank (13) is communicated with the sedimentation tank (17) through a second communicating pipeline (24); and a filtering component (18) is arranged in the sedimentation tank (17).

2. The desanding device for a biological reaction tank according to claim 1, wherein: the stirring component (4) comprises a stirring motor (5), a stirring shaft (6) and stirring teeth (7); the stirring motor (5) is fixedly arranged at the center of the surface of the top plate (3), and the output end of the stirring motor (5) is fixedly connected with a stirring shaft (6).

3. The sand removing device for the biological reaction tank as claimed in claim 2, wherein: the stirring shaft (6) is vertically arranged inside the stirring tank (1), a plurality of stirring teeth (7) are longitudinally fixed on the surface of the stirring shaft (6) at equal intervals, and the stirring shaft (6) is sleeved with a baffle ring (8) and the stirring shaft (6) is in threaded connection with the baffle ring (8).

4. The desanding device for a biological reaction tank according to claim 1, wherein: the flow guide assembly (14) is composed of a plurality of first flow guide plates (15) and second flow guide plates (16), the first flow guide plates (15) and the second flow guide plates (16) are obliquely arranged and are mutually symmetrical, and the first flow guide plates (15) and the second flow guide plates (16) are mutually vertical and are fixedly overlapped in a staggered mode.

5. The desanding device for a biological reaction tank according to claim 1, wherein: the filter assembly (18) comprises a filter screen (19), an inclined plate (20) and a clear water tank (21); inside filter screen (19) level was fixed in sedimentation tank (17), filter screen (19) surface equidistant is provided with a plurality of swash plates (20), swash plate (20) both sides and sedimentation tank (17) inner wall sliding connection.

6. The desanding device for biological reaction tank as claimed in claim 5, wherein: the top ends of the inclined plates (20) are horizontally fixed with a clear water tank (21), and the bottom surface of the clear water tank (21) is provided with a plurality of overflow holes (22) at equal intervals.

7. The desanding device for biological reaction tank as claimed in claim 5, wherein: the inclination angle of the inclined plate (20) is 55-65 degrees.