CN215962271U - Scum collecting device of radial flow type sedimentation tank - Google Patents
Scum collecting device of radial flow type sedimentation tank Download PDFInfo
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- CN215962271U CN215962271U CN202122052034.3U CN202122052034U CN215962271U CN 215962271 U CN215962271 U CN 215962271U CN 202122052034 U CN202122052034 U CN 202122052034U CN 215962271 U CN215962271 U CN 215962271U
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Abstract
The utility model discloses a scum collecting device of a radial-flow sedimentation tank, which belongs to the technical field of sewage treatment and comprises the radial-flow sedimentation tank, a rectangular circulation tank and an inclined plate, wherein the rectangular circulation tank and the inclined plate are arranged in the radial-flow sedimentation tank, the rectangular circulation tank is fixed below a rotary stack bridge, the rectangular circulation tank is a rectangular hollow flat three-sided body formed by a circulation tank top plate, a circulation tank bottom plate and a circulation tank side plate, the circulation tank top plate and the circulation tank bottom plate are respectively arranged at two ends of the same side wall of the circulation tank side plate, a plurality of notches are arranged on the circulation tank top plate at equal intervals, the inclined plate is arranged on the notch on the circulation tank top plate, and the bottom of the inclined plate is positioned in the circulation tank bottom plate. The scum collecting and guiding device for sewage treatment can effectively collect scum in the radial flow sedimentation tank, prevent operators from drowning when cleaning the surface of the tank, and relieve the labor intensity of the operators.
Description
Technical Field
The utility model relates to the technical field of sewage treatment, in particular to a scum collecting device of a radial flow type sedimentation tank.
Background
The radial flow sedimentation tank mainly has the function of separating mud and water, and the quality of the effluent water of the activated sludge system is directly influenced by the working efficiency. At the tail end of the water distribution channel, floating slag and sludge can be splashed due to the fact that the incoming water speed is reduced, and the floating slag and the sludge can be accumulated on the water surface; if not in time, not only influences the radial sedimentation tank pleasing to the eye, and too much dross can influence drainage quality of water moreover. Although the existing radial sedimentation tank equipment is provided with a slag trap (the slag trap is arranged at the water outlet edge of the radial sedimentation tank and has a circular structure as the radial sedimentation tank), a slag trap (the slag trap is arranged below a stack bridge of a rotary mud scraper and has a straight plate-shaped structure), and the like, the removal is not thorough, only scum close to the edge of the radial sedimentation tank is removed, the scum close to the center rotates under the action of the stack bridge of the rotary mud scraper of the radial sedimentation tank due to the water surface, and the scum cannot float to the position close to the slag trap at the edge of the radial sedimentation tank under the blocking action of the slag trap and enter a slag discharge port along with the common blocking of the slag trap and the slag trap, but synchronously rotates and floats on the surface of the tank with the slag trap below the stack bridge. In summer, due to hot weather, sludge scum can be hardened and grow mosquitoes and flies, and green algae are generated at the same time. In the winter season,
the scum is very easy to freeze, which becomes a great hidden trouble for safe production.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a scum collecting device of a radial flow sedimentation tank, which can effectively collect scum in the radial flow sedimentation tank and relieve the labor intensity of inspection personnel.
The embodiment of the utility model adopts the following technical scheme: the utility model provides a radial-flow sedimentation tank dross collection device, includes radial-flow sedimentation tank, be equipped with rotatory landing stage on the radial-flow sedimentation tank, be used for driving rotatory speed reducer of rotatory landing stage and sediment board, still including setting up rectangle circulation groove and the swash plate in radial-flow sedimentation tank, rectangle circulation groove is fixed under rotatory landing stage, the flat trilateral body of rectangle cavity that rectangle circulation groove comprises circulation groove roof, circulation groove bottom plate and circulation groove curb plate, circulation groove roof and circulation groove bottom plate set up respectively at circulation groove curb plate homonymy wall both ends, be equipped with the breach that a plurality of equidistant settings on the circulation groove roof, the swash plate sets up on the breach on circulation groove roof, the bottom of swash plate is located the inside of circulation groove bottom plate.
Furthermore, 10 inclined plates are uniformly arranged on the rectangular circulation groove at intervals.
Furthermore, a flow-facing end and a tail flow end are arranged on the inclined plate, and water flow carries scum to point to the tail flow end from the flow-facing end.
Furthermore, the inclined plate and the rotary trestle are arranged at an included angle of 34 degrees.
Further, the horizontal distance between every two inclined plates on the top plate of the circulation groove is not less than 20 cm.
Furthermore, the inclined plate and the rectangular circulation groove are fixed by welding.
Furthermore, the height of the rectangular circulation groove is 23.5cm, the bottom plate of the circulation groove is 0 degree to the water surface, and the bottom plate of the circulation groove is submerged 10cm under water.
Furthermore, the tail end of the rectangular circulation groove is provided with a rubber scraper, and the circulation groove is flexibly connected with a slag blocking plate on the radial sedimentation tank by the rubber scraper.
Further, the squeegee was 8cm in length, 23.5cm in height, and 7mm in thickness.
The embodiment of the utility model adopts at least one technical scheme which can achieve the following beneficial effects: when the rotary trestle rotates slowly, a force perpendicular to the rotary radius is generated on the scum; since the sloping plate cuts the water body, a force is introduced in the direction of the sloping plate; the scum enters the rectangular circulating groove through the resultant force of the two forces, is pushed by the flow velocity generated by the inclined plate in the circulating groove to be collected towards the scum board, and finally flows out of the tail end of the rectangular circulating groove to be pushed into a scum outlet of the radial sedimentation tank to be discharged. The scum collecting and guiding device for sewage treatment can effectively collect scum in the radial flow sedimentation tank, prevent operators from drowning when cleaning the surface of the tank, and relieve the labor intensity of the operators.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top view of the present invention installed in a radial settling tank;
FIG. 3 is a schematic view showing the direction of flow force, the force generated by the rotation of the trestle and the force generated by the swash plate in the present invention;
reference numerals:
the device comprises a rectangular circulation groove 1, an inclined plate 2, an upstream end 3, a downstream end 4, a rubber scraper 5, a radial sedimentation tank 6, a speed reducer 7, a circulation groove top plate 8, a circulation groove bottom plate 9, circulation groove side plates 10, a flow force direction 11, a force 12 generated by the rotation of a trestle, a force 13 generated by the inclined plate and a slag blocking plate 14.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of the present invention provides a scum collecting apparatus for a radial flow type sedimentation tank, which comprises a radial flow type sedimentation tank 6, the radial flow sedimentation tank 6 is provided with a rotary trestle, a speed reducer 7 for driving the rotary trestle to rotate and a slag blocking plate 14, and also comprises a rectangular circulation groove 1 and an inclined plate 2 which are arranged in the radial flow sedimentation tank 6, the rectangular circulation groove 1 is fixed under the rotary trestle, the rectangular circulation groove 1 is a rectangular hollow flat three-sided body consisting of a circulation groove top plate 8, a circulation groove bottom plate 9 and a circulation groove side plate 10, the circulation groove top plate 8 and the circulation groove bottom plate 9 are respectively arranged at the two ends of the same side wall of the circulation groove side plate 10, a plurality of notches which are arranged at equal intervals are arranged on the circulation groove top plate 8, the inclined plate 2 is arranged on the notches on the circulation groove top plate 8, and the bottom of the inclined plate 2 is positioned inside the circulation groove bottom plate 9; 10 inclined plates 2 are uniformly arranged on the rectangular circulation groove 1 at intervals; the inclined plate 2 is provided with a flow-in end 3 and a tail flow end 4, and water flow carries scum to point to the tail flow end 4 from the flow-in end 3; the inclined plate 2 and the rotary trestle are arranged at an included angle of 34 degrees. The water flow carries scum from the upstream end 3 to enable the scum to enter the rectangular circulating groove 1 under the resultant force of two forces, and the scum is pushed by the flow velocity generated by the inclined plate 2 in the rectangular circulating groove 1 to be collected towards the scum blocking plate 14 at the tail flow end 4, finally flows out of the tail end of the rectangular circulating groove 1 and is pushed into the scum discharging port of the radial flow type sedimentation tank 6 to be discharged, so that the scum in the radial flow type sedimentation tank 6 can be effectively removed.
Specifically, the horizontal distance between every two inclined plates 2 on the top plate 8 of the flow-through groove is not less than 20 cm.
Specifically, the inclined plate 2 and the rectangular circulation groove 1 are fixed by welding.
Specifically, the height of the rectangular circulation tank 1 is 23.5cm, the bottom plate 9 of the circulation tank is 0 degree with the water surface, and the bottom plate 9 of the circulation tank is submerged 10cm under water.
Specifically, the rectangular circulation groove 1 is provided with a rubber scraper 5, and the circulation groove is flexibly connected with a slag blocking plate 14 on the radial sedimentation tank 6 by the rubber scraper 5.
Specifically, the squeegee 5 is 8cm long, 23.5cm high and 7mm thick.
The working principle of the utility model is as follows: when the rotary trestle is used, when the rotary trestle rotates slowly, force vertical to the rotary radius is generated on scum; since the sloping plate 2 cuts the water body, a force is introduced in the direction of the sloping plate 2; the resultant force of the two forces causes the scum to enter the rectangular circulating groove 1, and the scum is pushed by the flow velocity generated by the inclined plate 2 in the circulating groove to be collected towards the scum board 14, and finally the scum flows out of the tail end of the rectangular circulating groove 1 and is pushed into the scum outlet of the radial sedimentation tank 6 to be discharged. The scum collecting and guiding device for sewage treatment can effectively collect scum in the radial flow sedimentation tank 6, prevent operators from drowning when cleaning the surface of the tank, and relieve the labor intensity of the operators.
The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (9)
1. A scum collecting device of a radial flow type sedimentation tank comprises a radial flow type sedimentation tank (6), wherein a rotary trestle, a speed reducer (7) for driving the rotary trestle to rotate and a scum board (14) are arranged on the radial flow type sedimentation tank (6), the scum collecting device is characterized by further comprising a rectangular circulation groove (1) and an inclined plate (2) which are arranged in the radial flow type sedimentation tank (6), the rectangular circulation groove (1) is fixed below the rotary trestle, the rectangular circulation groove (1) is a rectangular hollow flat three-side body consisting of a circulation groove top plate (8), a circulation groove bottom plate (9) and a circulation groove side plate (10), the circulation groove top plate (8) and the circulation groove bottom plate (9) are respectively arranged at two ends of the same side wall of the circulation groove side plate (10), a plurality of notches which are arranged at equal intervals are arranged on the circulation groove top plate (8), and the inclined plate (2) is arranged on the notch on the circulation groove top plate (8), the bottom of the sloping plate (2) is positioned inside the circulation groove bottom plate (9).
2. The radial flow type sedimentation tank dross collecting apparatus of claim 1, wherein: the rectangular circulation groove (1) is uniformly provided with 10 sloping plates (2) at intervals.
3. The radial flow type sedimentation tank dross collecting apparatus of claim 1, wherein: the inclined plate (2) is provided with a flow-in end (3) and a tail flow end (4), and water flow carries scum to point to the tail flow end (4) from the flow-in end (3).
4. The radial flow type sedimentation tank dross collecting apparatus of claim 1, wherein: the inclined plate (2) and the rotary trestle are arranged at an included angle of 34 degrees.
5. The radial flow type sedimentation tank dross collecting apparatus of claim 1, wherein: the horizontal distance between every two inclined plates (2) on the top plate (8) of the flow-through groove is not less than 20 cm.
6. The radial flow type sedimentation tank dross collecting apparatus of claim 1, wherein: the inclined plate (2) and the rectangular circulation groove (1) are fixed by welding.
7. The radial flow type sedimentation tank dross collecting apparatus of claim 1, wherein: the height of the rectangular circulation groove (1) is 23.5cm, the bottom plate (9) of the circulation groove is 0 degree with the water surface, and the bottom plate (9) of the circulation groove is submerged 10cm under water.
8. The radial flow type sedimentation tank dross collecting apparatus of claim 1, wherein: the tail end of the rectangular circulation groove (1) is provided with a rubber scraper (5), and the circulation groove is flexibly connected with a slag blocking plate (14) on the radial sedimentation tank (6) through the rubber scraper (5).
9. The radial flow sedimentation tank dross collecting apparatus of claim 8, wherein: the rubber scraper (5) is 8cm long, 23.5cm high and 7mm thick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122052034.3U CN215962271U (en) | 2021-08-27 | 2021-08-27 | Scum collecting device of radial flow type sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122052034.3U CN215962271U (en) | 2021-08-27 | 2021-08-27 | Scum collecting device of radial flow type sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215962271U true CN215962271U (en) | 2022-03-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122052034.3U Active CN215962271U (en) | 2021-08-27 | 2021-08-27 | Scum collecting device of radial flow type sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215962271U (en) |
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2021
- 2021-08-27 CN CN202122052034.3U patent/CN215962271U/en active Active
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