CN113480021A

CN113480021A - Double overflow weir device for sewage treatment

Info

Publication number: CN113480021A
Application number: CN202110481191.8A
Authority: CN
Inventors: 刘兴田
Original assignee: Inner Mongolia Xingtian Water Environment Science And Technology Research Institute
Current assignee: Inner Mongolia Xingtian Water Environment Science And Technology Research Institute
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-10-08

Abstract

The invention belongs to the field of sewage treatment, and particularly discloses a double overflow weir device for sewage treatment, which comprises a device main body, wherein a first weir plate extends from the inner bottom surface of the device main body, a second weir plate extends from the side of the first weir plate from the inner bottom surface of the device main body, supporting pieces extend from the upper end surface of the first weir plate and the upper end surface of the second weir plate, a cofferdam extends from the side edge of the upper end surface of each supporting piece, a vane shaft is rotatably embedded in the middle of the upper end surface of each supporting piece, a plurality of groups of vanes obliquely extend from the outer side of the vane shaft in an annular array manner, a flow guide piece extends from the side surface of each supporting piece, a filter screen is embedded in each flow guide piece, each supporting piece comprises a first supporting platform extending from the upper end surface of the first weir plate, and a second supporting platform extends from the upper end surface of the second weir plate. The invention can improve the practicability and environmental protection while improving the water quality purification performance.

Description

Double overflow weir device for sewage treatment

Technical Field

The invention belongs to the field of sewage treatment, and particularly discloses a double overflow weir device for sewage treatment.

Background

Sewage treatment is for making sewage reach the water quality requirement of discharging into a certain water or reuse and carry out the process of purifying to it, wherein can use two overflow weir devices in sewage treatment process to increase the dissolved oxygen volume in the sewage through two overflow weir devices, in order to reach the purpose of purifying water quality, however current two overflow weir devices, the quality of water purification performance when using is relatively poor, and can only carry out the operation that increases the oxygen content, and the function is too single, and the practicality is lower.

Disclosure of Invention

In view of the above, the present invention provides a double overflow weir device for sewage treatment, so as to solve the problems of poor water purification performance and low practicability in the prior art.

In order to achieve the purpose, the invention provides a double overflow weir device for sewage treatment, which comprises a device main body, wherein a first weir plate extends from the inner bottom surface of the device main body, a second weir plate extends from the side of the first weir plate from the inner bottom surface of the device main body, supporting pieces extend from the upper end surface of the first weir plate and the upper end surface of the second weir plate, a cofferdam piece extends from the side edge of the upper end surface of each supporting piece, a vane shaft is rotatably embedded in the middle of the upper end surface of each supporting piece, a plurality of groups of vanes obliquely extend from the outer side of the vane shaft in an annular array manner, a flow guide piece extends from the side surface of each supporting piece, and a filter screen is embedded in each flow guide piece.

In the above technical solution, preferably, the support includes a first support platform extending on an upper end surface of the first weir plate, and a second support platform extending on an upper end surface of the second weir plate.

Preferably, the cofferdam piece comprises a first arc-shaped plate extending at the side edge of the upper end face of the first saddle, and the first saddle extends from the upper end face of the first arc-shaped plate.

Preferably, the cofferdam piece further comprises a second arc-shaped plate extending at the side edge of the upper end face of the second saddle, and the upper end face of the second arc-shaped plate extends with the second saddle.

Preferably, a bearing body is embedded in the middle of the upper end face of the first supporting platform and the middle of the upper end face of the second supporting platform, and the end part of the blade shaft is embedded in the bearing body.

Preferably, the guide part comprises a guide frame extending on the side surface of the first supporting platform and the side surface of the second supporting platform, and the lower end surface of the guide frame penetrates through and extends to form the guide frame.

Preferably, water conservancy diversion frame and drainage frame integrated into one piece, the filter screen is inlayed in the inside of water conservancy diversion frame.

Preferably, a water inlet pipe penetrates through and is embedded in the lower portion of the side face of the device main body, and the upper end face of the second weir crest is lower than the lower end face of the first weir crest.

Compared with the prior art, the invention has the following beneficial effects: sewage through the overflow stream strikes the blade, let its blade rotate under the impact of sewage, thereby hit beating sewage through pivoted blade, make its sewage can disperse, with this contact surface of increase sewage and oxygen, and the sewage reposition of redundant personnel that will collect under the effect of filter screen, with the contact surface of further increase and oxygen, with this dissolved oxygen volume to sewage that improves, thereby reach its benefit that improves quality of water purification performance, the blade can rotate under the impact of sewage simultaneously, need not with the help of external power source, the effectual energy consumption that has reduced, the feature of environmental protection has been improved, and can carry out filtration treatment to sewage when shunting sewage through the filter screen, the problem of function singleness has been avoided, the practicality has been improved.

Drawings

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

FIG. 2 is a cross-sectional view of the present invention;

fig. 3 is an enlarged view of a of the present invention.

In the figure: 1. a device main body; 2. a water inlet pipe; 3. a weir plate I; 4. a first weir platform; 5. a first saddle; 6. a flow guide frame; 7. a first arc plate; 8. a bearing body; 9. a leaf shaft; 10. a blade; 11. filtering with a screen; 12. a drainage frame; 13. a second weir plate; 14. a second arc plate; 15. a second weir crest; 16. and a second supporting platform.

Detailed Description

In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments disclosed below.

As shown in fig. 1-3, a sewage treatment double overflow weir device comprises a device main body 1, a weir plate 3 extends from the inner bottom surface of the device main body 1, a weir plate 13 extends from the side of the weir plate 3 from the inner bottom surface of the device main body 1, a support piece extends from the upper end surface of the weir plate 3 and the upper end surface of the weir plate 13, a cofferdam piece extends from the edge of the upper end surface side of the support piece, a vane shaft 9 is rotatably embedded in the middle of the upper end surface of the support piece, a plurality of groups of vanes 10 are obliquely extended from the outer side of the vane shaft 9 in an annular array manner, a diversion piece extends from the side surface of the support piece, and a filter screen 11 is embedded in the diversion piece.

The saddle is including extending the saddle 5 No. one at the up end of a weir plate 3, and the up end of No. two weir plates 13 extends there is the saddle 16 No. two, all plays the effect of bracketing through saddle 5 and the saddle 16 that sets up No. two.

Cofferdam spare is including extending an arc 7 at the up end face side edge of a saddle 5, and the up end of an arc 7 extends has a weir platform 4, can make its overflow sewage of going out unsettled state appear through an arc 7 that sets up, and a weir platform 4 plays choked flow's effect.

Cofferdam spare is still including extending No. two arcs 14 at the up end face side edge of No. two saddle 16, and the up end of No. two arcs 14 extends has No. two weir platforms 15, can make its overflow sewage of going out appear unsettled state through No. two arcs 14 that set up, and No. two weir platforms 15 play choked flow's effect.

The bearing body 8 is inlayed in the up end middle part of the up end of a saddle 5 and the up end middle part of No. two saddles 16, and the tip of leaf axle 9 is inlayed in the inside of bearing body 8, can guarantee through the bearing body 8 that sets up that leaf axle 9 rotates steadily, and leaf axle 9 can be connected blade 10, and blade 10 can be broken up the sewage of overflow.

The water conservancy diversion spare is including extending the water conservancy diversion frame 6 in the side of a saddle 5 and the side of No. two saddles 16, and the lower terminal surface of water conservancy diversion frame 6 runs through to extend has drainage frame 12, can collect the sewage of breaing up through the water conservancy diversion frame 6 that sets up, and drainage frame 12 plays the effect of drainage.

Flow guide frame 6 and flow guide frame 12 integrated into one piece, filter screen 11 are inlayed in flow guide frame 6's inside, can carry out filtration treatment to sewage when shunting through the filter screen 11 that sets up.

The side lower part of device main part 1 is run through to inlay and is had inlet tube 2, and the up end of No. two weir platforms 15 is less than the lower terminal surface of a saddle 5, can play the effect of intaking through the inlet tube 2 that sets up, and the up end of No. two weir platforms 15 is less than the lower terminal surface of a saddle 5 and can makes its sewage carry out the secondary overflow.

When in use, a user can inject sewage into the device main body 1 through the water inlet pipe 2, so that the sewage between the weir plate 3 and the device main body 1 is gradually increased and overflows the top of the weir plate 4, the overflowing sewage impacts the blades 10, the blades 10 can rotate under the impact of the sewage, thereby beating the sewage through the rotating blades 10, dispersing the sewage to enlarge the contact surface with oxygen, collecting the dispersed sewage by the guide frame 6, the filter screen 11 inside the diversion frame 6 is used for diversion, sewage is filtered while being diverted, and the diverted sewage falls into the space between the weir plate II 13 and the weir plate I3 through the diversion frame 12, so that the sewage between the weir plate II 13 and the weir plate I3 is gradually increased and overflows the top of the weir plate II 15 to be treated for the second time according to the steps.

In the present invention, the terms "mounting," "connecting," "fixing," and the like are used in a broad sense, for example, "connecting" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description herein, the appearances of the phrases "one embodiment," "some embodiments," "a specific embodiment," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment or example, but rather to the same embodiment or example. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sewage treatment is with two overflow weir devices, includes device main part (1), its characterized in that, the inside bottom surface of device main part (1) is extended there is weir plate (3) No. one, the side of the inside bottom surface weir plate (3) of device main part (1) is extended there is No. two weir plates (13), the up end of weir plate (3) and the up end of No. two weir plates (13) all extend there is the support piece, the up end side edge of support piece extends there is cofferdam spare, the up end mid-rotation of support piece is inlayed and is had rachis (9), the slope of the outside annular array of rachis (9) is extended there are multiunit blade (10), the side of support piece extends there is the water conservancy diversion spare, the inside of water conservancy diversion spare is inlayed and is filter screen (11).

2. A double weir device for sewage treatment according to claim 1, wherein the tray comprises a first tray (5) extending on the upper end surface of the first weir plate (3), and a second tray (16) extending on the upper end surface of the second weir plate (13).

3. A double weir device for sewage treatment according to claim 2, wherein the cofferdam member comprises an arc (7) extending at the side edge of the upper end face of the first pallet (5), and the weir (4) extends from the upper end face of the arc (7).

4. A double weir device for sewage treatment according to claim 2, wherein the cofferdam member further comprises a second arc plate (14) extending at the upper end face side edge of the second pallet (16), and the upper end face of the second arc plate (14) is extended with the second weir plate (15).

5. The double overflow weir device for sewage treatment as claimed in claim 2, wherein the middle of the upper end surface of the first saddle (5) and the middle of the upper end surface of the second saddle (16) are embedded with bearing bodies (8), and the end parts of the blade shafts (9) are embedded in the bearing bodies (8).

6. A double weir device for sewage treatment according to claim 2, wherein the diversion member comprises a diversion frame (6) extending at the side of the first pallet (5) and the side of the second pallet (16), and a diversion frame (12) extends through the lower end surface of the diversion frame (6).

7. The double overflow weir device for sewage treatment as claimed in claim 6, wherein the diversion frame (6) and the diversion frame (12) are integrally formed, and the filter screen (11) is embedded in the diversion frame (6).

8. The double overflow weir device for sewage treatment as claimed in claim 4, wherein the lower part of the side surface of the device main body (1) is embedded with the water inlet pipe (2), and the upper end surface of the second weir platform (15) is lower than the lower end surface of the first weir platform (5).