CN214913640U

CN214913640U - Large-particle sewage sedimentation tank

Info

Publication number: CN214913640U
Application number: CN202120544365.6U
Authority: CN
Inventors: 吴夕丽; 周蕴; 许宇辉
Original assignee: Yichang Qingyang Technology Co ltd
Current assignee: Yichang Qingyang Technology Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-11-30
Anticipated expiration: 2031-03-16

Abstract

The utility model provides a large granule sewage settling basin, including the one-level sedimentation tank, the second grade sedimentation tank, the one-level overflow tank, second grade overflow tank and the centrifugal pump that set up side by side in proper order, the one-level sedimentation tank is provided with curved lateral wall, the top of lateral wall is provided with the water inlet, the bottom of lateral wall is installed and is decontaminated the pipe, decontaminated the pipe and be connected with the centrifugal pump, the second grade sedimentation tank sets up in the one-level sedimentation tank, the bottom of second grade sedimentation tank is seted up the through-hole, the through-hole is located the decontamination pipe top, the second grade sedimentation tank is provided with first overflow mouth and communicates with each other with the one-level overflow tank, the bottom of one-level overflow tank is connected with the sedimentation pipe, the sedimentation pipe communicates with each other with the decontamination pipe, the one-level overflow tank is provided with second overflow mouth and communicates with the second grade overflow tank, second overflow mouth height is less than first overflow mouth, the second grade overflow tank is provided with the delivery port, the sludge treatment is efficient has been produced, multistage sedimentation, it is more complete to deposit, the effect of sewage sedimentation treatment is improved, and the technical effect of the cost of sewage post-treatment is reduced.

Description

Large-particle sewage sedimentation tank

Technical Field

The utility model relates to a sewage deposits technical field, especially relates to a large granule sewage settling basin.

Background

The main treatment methods of sewage mainly comprise a physical method, a physicochemical method, a biological method and a combined method, and in the conventional physical method treatment, the problems of difficult timely cleaning of large-particle pollutants deposited at the bottom of a pool, incomplete deposition, undesirable effect and the like exist.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a large granule sewage sedimentation tank, it has solved the difficult timely clean up, the not ideal problem of effect of depositing at the bottom of the pool of the large granule pollutant that exists among the prior art.

According to the embodiment of the utility model, a large-particle sewage settling pond comprises a primary sedimentation tank, a secondary sedimentation tank, a primary overflow tank, a secondary overflow tank and a centrifugal pump which are arranged in parallel in sequence, wherein the primary sedimentation tank is provided with an arc-shaped side wall, the top end of the side wall is provided with a water inlet, the bottom end of the side wall is provided with a sewage removal pipe, the sewage removal pipe is connected with the centrifugal pump, the secondary sedimentation tank is arranged in the primary sedimentation tank, the bottom of the secondary sedimentation tank is provided with a through hole which is positioned above the sewage removal pipe, the secondary sedimentation tank is provided with a first overflow port which is communicated with the primary overflow tank, the bottom of the primary overflow tank is connected with a sedimentation pipe which is communicated with the sewage removal pipe, the primary overflow tank is provided with a second overflow port which is communicated with the secondary overflow tank, and the height of the second overflow port is lower than that of the first overflow port, and the secondary overflow tank is provided with a water outlet.

The technical principle of the utility model is that: the sewage flows into the primary sedimentation tank from the water inlet, most of the granular pollutants in the sewage are deposited at the bottom of the primary sedimentation tank under the action of gravity along the arc-shaped side wall of the primary sedimentation tank, part of the granular pollutants are deposited at the bottom of the arc-shaped side wall under the blockage of the secondary sedimentation tank, the last part of the granular pollutants are deposited at the bottom of the secondary sedimentation tank and are deposited at the bottom of the arc-shaped side wall through the through hole, the sewage after primary sedimentation flows into the primary overflow tank through the first overflow port, after the primary overflow tank is deposited, the part of the granular pollutants are deposited into the decontamination pipe through the sedimentation pipe, the sewage flows into the secondary overflow tank through the second overflow port and is discharged from the water outlet, and the sewage enters the next sewage treatment process, the granular pollutants deposited at the decontamination pipe are pumped away by using a centrifugal pump, so that the deposited granular pollutants are timely cleaned out of the primary sedimentation tank, the sludge treatment efficiency is high, multistage sediment, and the sediment is more complete, improves sewage sedimentation treatment's effect, reduces sewage post processing's cost.

Compared with the prior art, the utility model discloses following beneficial effect has: the technical problems that large-particle pollutants are not easy to clean up in time, do not precipitate completely and have unsatisfactory effects when precipitating at the bottom of the tank are solved by utilizing the arc-shaped side wall of the primary sedimentation tank and the multistage sedimentation effect, the sludge treatment efficiency is high, the multistage sedimentation is realized, the precipitation is more complete, the sewage precipitation treatment effect is improved, and the sewage post-treatment cost is reduced.

Drawings

Fig. 1 is the embodiment of the utility model discloses a structural diagram dissects.

1, a first-stage sedimentation tank in the attached figure; 11. a water inlet; 12. a sewage removal pipe; 13. a partition wall; 2. a secondary sedimentation tank; 21. a through hole; 22. a first overflow port; 23. a first filter plate; 3. a first-stage overflow tank; 31. a settling tube; 32. a second overflow port; 33. a second filter plate; 34. a third filter plate; 35. a valve; 4. a secondary overflow tank; 41. and (7) a water outlet.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in figure 1, the embodiment of the utility model provides a large-particle sewage sedimentation tank, including a first-stage sedimentation tank 1, a second-stage sedimentation tank 2, a first-stage overflow tank 3, a second-stage overflow tank 4 and a centrifugal pump which are arranged side by side in sequence, the first-stage sedimentation tank 1 is provided with an arc-shaped side wall, the top end of the side wall is provided with a water inlet 11, the bottom end of the side wall is provided with a sewage removal pipe 12, the sewage removal pipe 12 is connected with the centrifugal pump, the second-stage sedimentation tank 2 is arranged in the first-stage sedimentation tank 1, the bottom of the second-stage sedimentation tank 2 is provided with a through hole 21, the through hole 21 is positioned above the sewage removal pipe 12, the second-stage sedimentation tank 2 is provided with a first overflow port 22 communicated with the first-stage overflow tank 3, the bottom of the first-stage overflow tank 3 is connected with a sedimentation pipe 31, the sedimentation pipe 31 is communicated with the sewage removal pipe 12, the first-stage overflow tank 3 is provided with a second overflow port 32 communicated with the second-stage overflow tank 4, the second overflow port 32 is lower than the first overflow port 22 in height, and the secondary overflow tank 4 is provided with a water outlet 41;

the specific working process is as follows: the sewage flows into the first-stage sedimentation tank 1 from the water inlet 11, most of the particle pollutants in the sewage are deposited at the bottom of the first-stage sedimentation tank 1 along the arc-shaped side wall of the first-stage sedimentation tank 1 under the action of gravity, part of the particle pollutants sink into the bottom of the arc-shaped side wall under the blocking of the second-stage sedimentation tank 2, the last part of the particle pollutants are deposited at the bottom of the second-stage sedimentation tank 2 and sink at the bottom of the arc-shaped side wall through the through holes 21, the sewage after the first-stage sedimentation flows into the first-stage overflow tank 3 through the first overflow port 22, after the first-stage overflow tank 3 is deposited, the part of the particle pollutants sink into the decontamination pipe 12 through the sedimentation pipe 31, the sewage flows into the second-stage overflow tank 4 through the second overflow port 32 and is discharged from the water outlet 41 to enter the next sewage treatment process, the centrifugal pump is used for pumping away the particle pollutants deposited at the decontamination pipe 12, so that the deposited particle pollutants are timely cleaned out of the first-stage sedimentation tank 1, the sludge treatment efficiency is high, multistage sediment, and the sediment is more complete, improves sewage sedimentation treatment's effect, reduces sewage post processing's cost.

As shown in figure 1, a large granule sewage sedimentation tank, be provided with partition wall 13 in the one-level sedimentation tank 1, partition wall 13 is located the play water department of water inlet 11, the bottom of partition wall 13 is unsettled, uses partition wall 13 to block the scouring force of water inlet 11 department sewage, reduces the stirring effect of rivers to one-level sedimentation tank 1, improves the precipitation effect of one-level sedimentation tank 1.

As shown in fig. 1, the secondary sedimentation tank 2 is provided with a first filter plate 23, one end of the first filter plate 23 is fixed below the first overflow port 22, and the other end of the first filter plate 23 extends out of the water surface, so that the first filter plate 23 is used for filtering sewage entering the secondary sedimentation tank 2, blocking grease substances suspended in the sewage, and improving the sedimentation effect.

As shown in fig. 1, a large granule sewage sedimentation tank, be provided with second filter plate 33 in the one-level overflow pond 3, the one end of second filter plate 33 is fixed under the second overflow mouth 32, the other end of second filter plate 33 to the bottom slope of one-level overflow pond 3, sewage follow first overflow mouth 22 flow into one-level overflow pond 3 in the back, sewage rolls in one-level overflow pond 3 under the effect of gravity, use second filter plate 33 to filter the sewage that flows into in the second grade overflow pond 4 from one-level overflow pond 3, improve the effect of sediment.

As shown in figure 1, a third vertical filter plate 34 is arranged at the second overflow port 32, and the third filter plate 34 is used for filtering sewage flowing into the second-stage overflow tank 4 from the first-stage overflow tank 3 and blocking foam substances suspended in the sewage, so that the sedimentation effect is improved.

As shown in figure 1, the large-particle sewage sedimentation tank is characterized in that a valve 35 is arranged on a sedimentation pipe 31, the amount of sediments in a primary overflow tank 3 is small, the valve 35 is used for controlling the pumping interval of the sediments in the primary overflow tank 3, the cost is reduced, and the content of water in sludge is reduced when the sludge is pumped away.

As shown in figure 1, the bottom of the second-stage sedimentation tank 2 and the bottom of the first-stage overflow tank 3 are arranged into a funnel shape, so that precipitates can be conveniently and completely precipitated on a decontamination pipe 12, and the precipitation effect is improved.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a large granule sewage settling basin which characterized in that: comprises a primary sedimentation tank, a secondary sedimentation tank, a primary overflow tank, a secondary overflow tank and a centrifugal pump which are arranged in parallel in sequence, the primary sedimentation tank is provided with an arc-shaped side wall, the top end of the side wall is provided with a water inlet, the bottom end of the side wall is provided with a decontamination pipe, the decontamination pipe is connected with the centrifugal pump, the secondary sedimentation tank is arranged in the primary sedimentation tank, the bottom of the secondary sedimentation tank is provided with a through hole which is positioned above the decontamination pipe, the secondary sedimentation tank is provided with a first overflow port which is communicated with the primary overflow tank, the bottom of the first-level overflow tank is connected with a settling pipe which is communicated with the decontamination pipe, the first-stage overflow tank is provided with a second overflow port communicated with the second-stage overflow tank, the height of the second overflow port is lower than that of the first overflow port, and the second-stage overflow tank is provided with a water outlet.

2. The large particle sewage settling pond of claim 1, wherein: and a partition wall is arranged in the primary sedimentation tank, the partition wall is positioned at the water outlet of the water inlet, and the bottom of the partition wall is suspended.

3. The large particle sewage settling pond of claim 1, wherein: the second-stage sedimentation tank is provided with a first filter plate, one end of the first filter plate is fixed below the first overflow port, and the other end of the first filter plate extends out of the water surface.

4. The large particle sewage settling tank of claim 3, wherein: and a second filter plate is arranged in the primary overflow tank, one end of the second filter plate is fixed below the second overflow port, and the other end of the second filter plate inclines towards the bottom of the primary overflow tank.

5. The large particle sewage settling tank of claim 4, wherein: and a vertical third filter plate is arranged at the second overflow port.

6. The large particle sewage settling pond of claim 1, wherein: and a valve is arranged on the settling pipe.

7. The large particle sewage settling pond of claim 1, wherein: the bottoms of the secondary sedimentation tank and the primary overflow tank are arranged into a funnel shape.