CN211770519U

CN211770519U - Sludge concentration self-adaptation isolated plant

Info

Publication number: CN211770519U
Application number: CN201922448835.4U
Authority: CN
Inventors: 徐晓茵; 贾仁勇; 赵浩然; 牟胤铭
Original assignee: Shanghai Kungong Environment Technology Co ltd
Current assignee: Shanghai Kungong Environment Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-27
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a sludge concentration self-adaptive special device which is arranged in front of a secondary sedimentation tank inlet channel and a secondary sedimentation tank at the tail end of an aerobic tank; the device comprises an inner cavity formed by a plurality of side plates and a telescopic bottom plate, and a sludge discharge pipe communicated with the inner cavity and the outside; the side plate and the secondary sedimentation tank water inlet channel are respectively provided with a side plate adjustable weir and a water inlet channel adjustable weir; the side plate adjustable weir is connected with the side plate in a sliding pair manner and can reciprocate along the vertical direction; and an inclined folded plate is arranged between the telescopic bottom plate and each side plate. The utility model discloses an use the mud concentration control device that makes the sewage plant can carry out the regulation to biochemical district mud concentration according to the water quality water mass that comes the sewage plant, improve system's treatment effeciency, the shock resistance of reinforcing system fills the blank among the prior art.

Description

Sludge concentration self-adaptation isolated plant

Technical Field

The utility model relates to a water treatment technical field, in particular to mud concentration self-adaptation isolated plant.

Background

In a sewage treatment plant at the tail end of a municipal combined system sewage system, a sewage treatment plant at the tail end of a collection system with serious pipeline rain and sewage misconnection or an organic industrial wastewater treatment facility with large water quality and water quantity fluctuation, the control of the sludge concentration is the key of process regulation, the sludge concentration is reasonably controlled, the system operation can be optimized, and the energy conservation and consumption reduction are realized.

In the prior art, the main regulation and control flow of the sludge concentration is as follows: the mud-water mixture enters a secondary sedimentation tank from the biochemical area, mud-water separation is carried out in the secondary sedimentation tank, the returned sludge is returned to the front end of the biochemical area in a certain proportion, and the sludge concentration of the system is adjusted; and (4) allowing the residual sludge to enter a sludge dewatering room, and transporting the residual sludge outside after dewatering.

However, in practical applications, the sludge concentration in the biochemical area of the sewage plant is limited by the concentration and flow rate of the return sludge, and can only be stabilized at 2500 to 3500mg/L, which becomes the bottleneck of sewage treatment.

Therefore, how to improve the control of the sludge concentration becomes a technical problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defect of prior art, the utility model provides a mud concentration self-adaptation isolated plant, the purpose of realization is to provide one kind and can carry out the mud concentration control device who adjusts to biochemical district mud concentration according to the water quality water gaging that comes the sewage plant, improves system's treatment effeciency, strengthens the shock resistance of system, fills the blank among the prior art.

In order to realize the purpose, the utility model discloses a sludge concentration self-adaptation isolated plant sets up in the terminal secondary sedimentation pond inlet channel of good oxygen pond and before the secondary sedimentation pond.

The device comprises an inner cavity formed by a plurality of side plates and a telescopic bottom plate, and a sludge discharge pipe communicated with the inner cavity and the outside;

the side plate and the secondary sedimentation tank water inlet channel are respectively provided with a side plate adjustable weir and a water inlet channel adjustable weir;

the side plate adjustable weir is connected with the side plate in a sliding pair manner and can reciprocate along the vertical direction;

and an inclined folded plate is arranged between the telescopic bottom plate and each side plate.

Preferably, the device further comprises a driving device, wherein the driving device is connected with the side plate adjustable weir and drives the side plate adjustable weir to vertically reciprocate along the side plate.

Preferably, the angle between the flap and the respective side panel is between 120 and 150 degrees.

More preferably, the included angle between the flap and the respective side panel is 135 degrees.

Preferably, each side plate is provided with a plurality of resistance reducing holes at the position close to the upper end.

The utility model has the advantages that:

the utility model discloses an use the mud concentration control device that makes the sewage plant can carry out the regulation to biochemical district mud concentration according to the water quality water mass that comes the sewage plant, improve system's treatment effeciency, the shock resistance of reinforcing system fills the blank among the prior art.

The conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.

Drawings

Fig. 1 is a schematic top view of an embodiment of the present invention.

Fig. 2 shows a schematic side view of an embodiment of the present invention.

Fig. 3 shows a schematic end face structure diagram of an embodiment of the present invention.

Detailed Description

Examples

As shown in fig. 1 to 3, the sludge concentration self-adaptive special device is arranged in front of the secondary sedimentation tank inlet channel 2 and the secondary sedimentation tank 3 at the tail end of the aerobic tank 1.

Comprises an inner cavity enclosed by a plurality of side plates 5 and a telescopic bottom plate 7, and a sludge discharge pipe 10 communicated with the inner cavity and the outside;

the side plate 5 and the secondary sedimentation tank water inlet channel 2 are respectively provided with a side plate adjustable weir 8 and a water inlet channel adjustable weir 9;

the side plate adjustable weir 8 is connected with the side plate 5 in a sliding pair manner and can reciprocate along the vertical direction;

an inclined flap 6 is provided between the telescopic base 7 and each side panel 5.

The working principle of the utility model is as follows:

the sludge particles are simultaneously subjected to buoyancy, gravity, internal reflux suction force and horizontal flow force, and the interception effect of the device on the sludge particles can be changed by adjusting the positions of the side plates, the heights of the adjusting weirs and the internal reflux amount. The bottom inclined folded plates have the effect of concentrating the sludge, and under the balance working condition, the average activated sludge concentration of the biochemical pool is controlled to be 6000-8000mg/L or even higher; the concentration and the total amount of the sludge entering the secondary sedimentation tank are not increased remarkably, and the secondary sedimentation tank is ensured to operate under reasonable working conditions.

In certain embodiments, a drive device 4 is further included, the drive device 4 being connected to a side plate adjustable weir 8, the side plate adjustable weir 8 being driven to reciprocate vertically along the side plate 5.

In some embodiments, the angle between the flap 6 and the respective side panel 5 is between 120 and 150 degrees.

In some embodiments, the angle between the flap 6 and the respective side panel 5 is 135 degrees.

In some embodiments, each side plate 5 is provided with a plurality of anti-drag holes 11 near the upper end.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims

1. The sludge concentration self-adaptive special device is arranged in front of a secondary sedimentation tank water inlet channel (2) at the tail end of the aerobic tank (1) and the secondary sedimentation tank (3); the method is characterized in that:

comprises an inner cavity enclosed by a plurality of side plates (5) and a telescopic bottom plate (7), and a sludge discharge pipe (10) for communicating the inner cavity with the outside;

the side plate (5) and the secondary sedimentation tank water inlet channel (2) are respectively provided with a side plate adjustable weir (8) and a water inlet channel adjustable weir (9);

the side plate adjustable weir (8) is connected with the side plate (5) in a sliding pair manner and can reciprocate along the vertical direction;

an inclined folded plate (6) is arranged between the telescopic bottom plate (7) and each side plate (5).

2. The sludge concentration self-adaptive special device according to claim 1, further comprising a driving device (4), wherein the driving device (4) is connected with the side plate adjustable weir (8) and drives the side plate adjustable weir (8) to vertically reciprocate along the side plate (5).

3. The sludge concentration adaptive special device according to claim 1, wherein the included angle between the folded plate (6) and the corresponding side plate (5) is 120-150 degrees.

4. The sludge concentration self-adaptive special device according to claim 3, wherein the included angle between the folded plate (6) and the corresponding side plate (5) is 135 degrees.

5. The sludge concentration self-adaptive special device according to claim 1, wherein a plurality of resistance reducing holes (11) are arranged at the position of each side plate (5) close to the upper end.