CN210457811U

CN210457811U - Sludge reflux quantity adjusting device

Info

Publication number: CN210457811U
Application number: CN201921218086.XU
Authority: CN
Inventors: 霍槐槐; 何荣生; 尹丽莎; 李哲; 夏天晨; 赵鑫; 李福�
Original assignee: Qingdao Low Carbon Environmental Technology Co ltd
Current assignee: Qingdao Low Carbon Environmental Technology Co ltd
Priority date: 2019-07-31
Filing date: 2019-07-31
Publication date: 2020-05-05
Anticipated expiration: 2029-07-31

Abstract

The utility model belongs to the sewage treatment field discloses a mud reflux adjusting device, including the separating tank, the separating tank includes the cell body, install into mud mouth, play mud mouth on the cell lateral wall and install the flow controller in the cell body, flow controller includes interior pipe and outer sleeve, the equal opening in upper and lower both ends of interior pipe and outer sleeve, interior pipe bottom is fixed in the cell body bottom and is connected mud reflux mouth, interior pipe top and outer sleeve screw-thread fit connection. The utility model discloses a mechanical regulation mode can realize the regulation of mud backward flow volume, and is easy and simple to handle, reduces the quantity of the interior sludge pump of system, reduces mechanical failure incidence, improves system reliability.

Description

Sludge reflux quantity adjusting device

Technical Field

The utility model belongs to the technical field of sewage treatment, in particular to sludge reflux adjusting device.

Background

In traditional magnetic flocculation sediment sewage treatment process, need guarantee microorganism concentration through a pipeline with mud backward flow to the sedimentation tank, arrange surplus mud to the sludge impoundment through a pipeline and carry out mud processing on next step, for control mud reflux ratio, need install two sludge pumps at least in the pipeline and adjust mud backward flow volume/emission, the increase of the quantity of pump can lead to the fault rate to increase, through valve regulated flow, the accuracy is also lower. In addition, the magnetic flocculation precipitation sewage treatment process needs to add magnetic powder, so that the sludge pump is easily blocked.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sludge reflux volume adjusting device, the new sludge reflux volume controlling means of adoption, the quantity of sludge pump in the reduction system improves the system reliability to the not enough of prior art existence.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the utility model provides a mud backward flow volume adjusting device, includes the separating tank, the separating tank includes the cell body, installs into mud mouth, play mud mouth on the cell body lateral wall and installs the flow controller in the cell body, flow controller includes interior pipe and outer sleeve, the equal opening in upper and lower both ends of interior pipe and outer sleeve, interior pipe bottom is fixed in the cell body bottom and connects mud backward flow mouth, interior pipe top and outer sleeve screw-thread fit connection.

Furthermore, the top of the inner circular tube is provided with an external thread, and the outer sleeve is provided with an internal thread matched with the external thread.

Furthermore, a V-shaped groove baffle is vertically arranged on one side of a mud outlet in the separation groove, and the flow controller is positioned on one side of the mud inlet; when the outer sleeve is screwed to the lower position, the top end of the outer sleeve is flush with the top end of the inner cylinder and flush with the bottom end of the V-shaped groove on the V-shaped groove baffle; when the outer sleeve is screwed to the high position, the top end of the outer sleeve is higher than the liquid level.

Furthermore, the sludge inlet is connected with a flowmeter, the sludge outlet is connected with a magnetic powder recovery system, and the sludge return port is connected with a sludge return system.

Compared with the prior art, the utility model discloses the advantage lies in: by adopting the new sludge reflux amount control device, the regulation of the sludge reflux amount can be realized through a mechanical regulation mode, the operation is simple and convenient, the number of sludge pumps in the system is reduced, the mechanical failure occurrence rate is reduced, and the system reliability is improved.

Drawings

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

fig. 2 is a schematic flow chart of embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;

fig. 4 is a schematic flow chart of embodiment 2 of the present invention.

In the figure, 1, a separation tank; 2. a trough body; 3. a sludge inlet; 4. a sludge outlet; 5. a flow controller; 6. a sludge return port; 7, a V-shaped groove baffle plate; 8. a reaction tank; 9. a sedimentation tank; 10. a sludge pump; 11. a flow meter; 12. a shearing machine; 13. a magnetic separator; 21. a support portion; 41. a magnetic powder recovery tube; 51. an inner circular tube; 52. an outer sleeve; 61. a sludge return pipe; 81. a coagulation reaction zone; 82. a magnetic powder reaction zone; 83. a flocculation reaction zone; 90. a sloping plate; 91. a mud scraper.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

Example 1

As shown in fig. 1 and fig. 2, the sludge reflux amount adjusting device of the present embodiment includes a separation tank 1, the separation tank 1 includes a tank body 2, a sludge inlet 3 and a sludge outlet 4 mounted on a side wall of the tank body 2, and a flow controller 5 mounted in the tank body 2, and a support portion 21 is disposed at the bottom of the tank body 2.

The flow controller 5 comprises an inner circular pipe 51 and an outer sleeve 52, the upper end and the lower end of the inner circular pipe 51 and the upper end and the lower end of the outer sleeve 52 are both provided with openings, the bottom of the inner circular pipe 51 is fixed at the bottom of the tank body 2 and is connected with the sludge return port 6, the top of the inner circular pipe 51 is in threaded fit with the outer sleeve 52, specifically, the top of the inner circular pipe 51 is provided with an external thread, the outer sleeve 52 is provided with an internal thread matched with the external thread, and the overall height of the.

And, V type groove baffle 7 is vertically installed to a mud outlet one side in the separating tank 1, and flow controller 5 is located into mud inlet one side. When the outer sleeve 52 is screwed to the low position, the top end of the outer sleeve 52 is flush with the top end of the inner cylinder 51 and flush with the bottom end of the V-shaped groove on the V-shaped groove baffle 7, at the moment, sludge in the separation tank 1 can be discharged to the sludge return port 6 through the flow controller 5, and the sludge return port 6 is connected with a sludge return system for return. When the outer sleeve 52 is screwed to the high position, the top end of the outer sleeve 52 is higher than the liquid level, and the sludge does not flow back.

As a preferred embodiment, the V-shaped groove baffle 7 may directly adopt a triangular weir, the flow rate calculation principle through the isosceles triangle weir of the triangular weir is common knowledge, and it is not described herein any more, and the discharge amount of sludge, that is, the flow rate of sludge through the sludge outlet 4, may be directly measured through the triangular weir.

In order to measure the sludge inlet amount of the separation tank, a flow meter is connected to the pipeline at the sludge inlet 3, and a sludge pump is connected to the pipeline at the sludge outlet 4 and used for pumping the sludge to the next treatment process, such as a magnetic powder recovery system, a sludge tank, a sludge compressor and the like.

Example 2

The embodiment provides a sewage treatment system based on a separation tank, wherein the backflow of sludge realizes magnetic powder recovery and distribution by using the sludge backflow amount adjusting device in embodiment 1.

As shown in fig. 3, specifically include reaction tank 8, sedimentation tank 9, separating tank 1 and magnetic powder recovery system, inside the baffle that passes through of reaction tank 8 is separated for coagulating reaction district 81, magnetic powder reaction district 82 and flocculation reaction district 83, install the mixer in each reaction district respectively, the play water of reaction tank is arranged to sedimentation tank 9, be equipped with swash plate 90 in the sedimentation tank 9, the bottom is equipped with mud scraper 91, the mud of sedimentation tank 9 bottom passes through the pipeline, the sludge pump sends to separating tank 1, sludge reflux pipe 61 is connected to the flow controller 5 of separating tank 1, the mud of backward flow passes through sludge reflux pipe 61 and flows back to magnetic powder reaction district 82 of reaction tank 8. The excess sludge discharged from the sludge outlet 4 of the separation tank 1 is discharged to a magnetic powder recovery system through a magnetic powder recovery pipe 41, the magnetic powder recovery system comprises a shearing machine 12 and a magnetic separator 13 which are sequentially connected, the magnetic powder separated and recovered by the magnetic separator 13 is added into a magnetic powder reaction area 82 again to participate in reaction, and the excess sludge is directly discharged.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should also understand that the changes, modifications, additions or substitutions made within the scope of the present invention should belong to the protection scope of the present invention.

Claims

1. The utility model provides a mud backward flow volume adjusting device, a serial communication port, including the separating tank, the separating tank includes the cell body, installs into mud mouth, play mud mouth on the cell body lateral wall and installs the flow controller in the cell body, flow controller includes interior pipe and outer sleeve, the equal opening in upper and lower both ends of interior pipe and outer sleeve, interior pipe bottom is fixed in the cell body bottom and connect mud backward flow mouth, interior pipe top and outer sleeve screw-thread fit connection.

2. The sludge reflux amount adjusting apparatus according to claim 1, characterized in that: the top of the inner circular tube is provided with an external thread, and the outer sleeve is provided with an internal thread matched with the external thread.

3. The sludge reflux amount adjusting apparatus according to claim 1, characterized in that: a V-shaped groove baffle is vertically arranged on one side of a mud outlet in the separation groove, and the flow controller is positioned on one side of a mud inlet; when the outer sleeve is screwed to the lower position, the top end of the outer sleeve is flush with the top end of the inner cylinder and flush with the bottom end of the V-shaped groove on the V-shaped groove baffle; when the outer sleeve is screwed to the high position, the top end of the outer sleeve is higher than the liquid level.

4. The sludge reflux amount adjusting apparatus according to claim 1, characterized in that: the mud inlet is connected with a flowmeter, the mud outlet is connected with a magnetic powder recovery system, and the mud return port is connected with a mud return system.