CN214019353U - Inclined plate sedimentation tank - Google Patents
Inclined plate sedimentation tank Download PDFInfo
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- CN214019353U CN214019353U CN202022764573.5U CN202022764573U CN214019353U CN 214019353 U CN214019353 U CN 214019353U CN 202022764573 U CN202022764573 U CN 202022764573U CN 214019353 U CN214019353 U CN 214019353U
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- sedimentation tank
- sludge
- inclined plate
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Abstract
The utility model provides a tilted plate sedimentation tank belongs to sewage treatment's technical field, include: the device comprises a pretreatment tank, a sedimentation tank, an overflow tank and a sludge discharge pipe, wherein the pretreatment tank, the sedimentation tank and the overflow tank are sequentially connected, the sludge discharge pipe is arranged at the lower parts of the pretreatment tank, the sedimentation tank and the overflow tank, a sludge inlet pipe is arranged at the upper part of the pretreatment tank, sewage enters the pretreatment tank through the sludge inlet pipe, the sludge is firstly settled through the pretreatment tank, supernatant enters from the bottom of the sedimentation tank and is settled, the supernatant overflows into the overflow tank, large-particle sediments in the sewage are settled through the pretreatment tank, the supernatant of the pretreatment tank is further settled through the sedimentation tank, and the sediments in the supernatant are further settled to enable the settled liquid to be clearer.
Description
Technical Field
The utility model relates to a sewage treatment's technical field, concretely relates to inclined plate sedimentation tank.
Background
The inclined plate sedimentation tank is a device for efficiently removing solids in water, and a shallow sedimentation tank is arranged between every two parallel inclined plates, so that treated wastewater and settled sludge move mutually and are separated in a shallow sedimentation layer.
In the prior art, an inclined plate and an overflow tank are generally arranged in an inclined plate sedimentation tank, sewage is added into the inclined plate sedimentation tank, water flow overflows upwards from the inclined plate, sediment is precipitated when the water flow passes through the inclined plate, and clean water overflows into the overflow tank from the inclined plate sedimentation tank; however, when the concentration of the solid matter in the water is high, the treatment efficiency of the inclined plate sedimentation tank is reduced, and the content of the solid matter in the effluent is easy to exceed the standard.
Disclosure of Invention
In view of this, the utility model provides an inclined plate sedimentation tank to when solving solid concentration great, then inclined plate sedimentation tank's treatment effeciency reduces, and the technical problem that solid content in the play water exceeds standard appears easily.
The utility model provides a technical scheme that its technical problem adopted is:
an inclined plate sedimentation tank, which is characterized by comprising: the device comprises a pretreatment tank, a sedimentation tank, an overflow tank and a sludge discharge pipe, wherein the pretreatment tank, the sedimentation tank and the overflow tank are sequentially connected, the sludge discharge pipe is arranged at the lower parts of the pretreatment tank, the sedimentation tank and the overflow tank, and a sludge inlet pipe is arranged at the upper part of the pretreatment tank.
Preferably, pretreatment tank sets up baffle, dashpot and first sludge bucket, the baffle sets up the front portion of dashpot, first sludge bucket sets up pretreatment tank's lower part, the baffle with first sludge bucket link up, the dashpot with settling basin one side is connected.
Preferably, an overflow plate is arranged on the buffer tank, and the overflow plate is lower than the upper part of the baffle.
Preferably, the sedimentation basin is provided with a water inlet, a plurality of inclined plates, a spoiler and a plurality of sludge hoppers, the water inlet is arranged at the lower part of the inclined plates, the inclined plates are arranged on the side walls of the sedimentation basin, the spoiler is arranged at the upper part and the lower part of the inclined plates, the sludge hoppers are arranged at the lower part of the inclined plates, the water inlet is communicated with the buffer tank, the sludge hoppers and the first sludge hopper are positioned on the same horizontal plane, and the other side of the sedimentation basin is integrally connected with the overflow tank.
Preferably, the inclined plate has an included angle of 55-65 degrees with the horizontal plane.
Preferably, the overflow groove is provided with an overflow port, the overflow port is integrally connected with the sedimentation basin, and the overflow port is lower than the side wall of the sedimentation basin and higher than the spoiler at the upper part of the inclined plate.
Preferably, the sludge discharge pipe is arranged at the lower parts of the first sludge hopper and the plurality of sludge hoppers.
Preferably, a plurality of valves are arranged on the sludge discharge pipe.
According to the technical scheme, in the inclined plate sedimentation tank provided by the utility model, the pretreatment tank, the sedimentation tank and the overflow tank are sequentially connected, the sludge discharge pipe is arranged at the lower parts of the pretreatment tank, the sedimentation tank and the overflow tank, and the sludge inlet pipe is arranged at the upper part of the pretreatment tank; the sewage enters the pretreatment tank through the sludge inlet pipe, the sludge water is settled for the first time through the pretreatment tank, supernatant enters from the bottom of the sedimentation tank and is precipitated, the supernatant overflows into the overflow tank, large-particle precipitates in the sewage are settled through the pretreatment tank, and the supernatant of the pretreatment tank further settles the precipitates in the supernatant through the sedimentation tank, so that the settled liquid is clarified.
Drawings
Fig. 1 is a schematic structural diagram of a first inclined plate sedimentation tank.
Fig. 2 is a schematic view of another angle structure of the first inclined plate sedimentation tank.
Fig. 3 is a front view of the first inclined plate sedimentation tank.
Fig. 4 is a sectional view taken along the line a-a of fig. 3.
Fig. 5 is a side view of the first inclined plate sedimentation tank.
Fig. 6 is a sectional view of the first inclined plate sedimentation tank.
Fig. 7 is a bottom view of the first inclined plate sedimentation tank.
Fig. 8 is a top view of the first inclined plate sedimentation tank.
FIG. 9 is a schematic diagram of a slant plate sedimentation tank.
FIG. 10 is another angle structure diagram of the inclined plate sedimentation tank.
In the figure: the inclined plate sedimentation tank comprises an inclined plate sedimentation tank 10, a first inclined plate sedimentation tank 11, a second inclined plate sedimentation tank 12, a third inclined plate sedimentation tank 13, a sludge inlet pipe 50, a pretreatment tank 100, a baffle plate 110, a buffer tank 120, an overflow plate 121, a first sludge hopper 122, a first valve 1221, a sedimentation tank 200, a water inlet 210, an inclined plate 220, a baffle plate 230, a first baffle plate 231, a second baffle plate 232, a second sludge hopper 241, a second valve 2411, a third sludge hopper 242, a third valve 2421, a fourth sludge hopper 243, a fourth valve 2431, a fifth sludge hopper 244, a fifth valve 2441, an overflow tank 300, an overflow port 310 and a sludge discharge pipe 400.
Detailed Description
The following combines the utility model discloses an attached drawing is right the technical scheme and the technological effect of the embodiment of the utility model are further elaborated.
Referring to fig. 1 to 10, the inclined plate sedimentation tank 10 includes: first inclined plate sedimentation tank 11, second inclined plate sedimentation tank 12 and third inclined plate sedimentation tank 13, first inclined plate sedimentation tank 11, second inclined plate sedimentation tank 12 and third inclined plate sedimentation tank 13's structure is the same completely, parallel arrangement to take one of them as an example: an inclined plate 220 sedimentation tank for settling muddy water in a muddy water inlet pipe 50, comprising: the pretreatment tank 100, the sedimentation tank 200, the overflow tank 300 and the sludge discharge pipe 400 are sequentially connected, the pretreatment tank 100, the sedimentation tank 200 and the overflow tank 300 are integrally manufactured, the sludge discharge pipe 400 is arranged at the lower parts of the pretreatment tank 100, the sedimentation tank 200 and the overflow tank 300, and the sludge inlet pipe 50 is arranged at the upper part of the pretreatment tank 100; the sewage enters the pretreatment tank 100 through the sludge inlet pipe 50, the muddy water is settled for the first time through the pretreatment tank 100, the supernatant enters from the bottom of the sedimentation tank 200 and is settled, the supernatant overflows into the overflow groove 300, the large-particle precipitate in the sewage is settled through the pretreatment tank 100, the supernatant of the pretreatment tank 100 further settles the precipitate in the supernatant through the sedimentation tank 200, so that the settled liquid is clearer, and the solid content in the water reaches the standard when the water is discharged.
Further, the pretreatment tank 100 is provided with a baffle 110, a buffer tank 120 and a first sludge hopper 122, the baffle 110 is arranged at the front part of the buffer tank 120, the first sludge hopper 122 is arranged at the lower part of the pretreatment tank 100, the baffle 110 is communicated with the first sludge hopper 122, and the buffer tank 120 is connected with one side of the sedimentation tank 200; the sewage enters the pretreatment tank 100 through the sludge inlet pipe 50, when the sewage enters the pretreatment tank 100, the baffle 110 prevents the sewage from directly entering the buffer tank 120, the sewage is pre-settled in the pretreatment tank 100, large-particle sediments in the sewage are settled in the first sludge hopper 122, and as the sewage enters more and more, supernatant enters the buffer tank 120 through a channel formed by the baffle 110 and the buffer tank 120; the larger-particle precipitates in the sewage are precipitated in the first sludge hopper 122, so that the precipitates entering the sedimentation tank are reduced, the amount of the sludge precipitated in the second sludge hopper 241, the third sludge hopper 242, the fourth sludge hopper 243 and the fifth sludge hopper 244 in the sedimentation tank is reduced, and a large amount of sludge is not precipitated in the second sludge hopper 241.
Still further, an overflow plate 121 is disposed on the buffer tank 120, the overflow plate 121 is lower than the upper portion of the baffle 110, and when the supernatant enters the channel formed by the baffle 110 and the buffer tank 120, the supernatant enters the buffer tank 120 through the overflow plate 121, so that the supernatant in the pretreatment tank 100 stably flows into the sedimentation tank 200.
Specifically, the sedimentation tank 200 is provided with a water inlet 210, a plurality of inclined plates 220, a baffle plate 130, a second sludge hopper 241, a third sludge hopper 242, a fourth sludge hopper 243 and a fifth sludge hopper 244, the water inlet 210 is arranged at the lower part of the inclined plates 220, the inclined plates 220 are arranged on the side wall of the sedimentation tank 200, the first baffle plate 231 is fixedly arranged at the upper part of the inclined plates 220, the second baffle plate 232 is fixedly arranged at the lower part of the inclined plates 220, the first baffle plate 231 and the second baffle plate 232 make the water flow still for a longer time in the sedimentation tank, and the sediment in the water flow is easier to fall into the first baffle plate 231 and the second baffle plate 232, the second sludge hopper 241, the third sludge hopper 242, the fourth sludge hopper 243 and the fifth sludge hopper 244 are arranged at the lower part of the second baffle plate 232, the water inlet 210 is communicated with the buffer tank 120, the other side of the sedimentation tank 200 is integrally connected with the overflow tank 300; the water in the buffer tank 120 stably flows into the sedimentation basin 200 through the water inlet 210, and the flow rate of the water in the sedimentation basin 200 is not affected, so that the sediment in the water is precipitated on the inclined plate 220, and the sediment falls into the second sludge hopper 241, the third sludge hopper 242, the fourth sludge hopper 243 and the fifth sludge hopper 244 from the inclined plate 220.
Furthermore, the included angle between the inclined plate 220 and the horizontal plane is 55-65 degrees, so that the time for water to pass through the inclined plate 220 is longer, precipitates in the water are easier to precipitate in the water of the inclined plate 220, and the included angle between the inclined plate 220 and the horizontal plane is 55-65 degrees, so that the precipitates on the inclined plate 220 are easier to slide into the sludge hopper from the inclined plate 220.
Still further, the overflow groove 300 is provided with an overflow port 310, the overflow port 310 is integrally connected with the sedimentation basin, the overflow port 310 is lower than the side wall of the sedimentation basin and higher than the first baffle 231 on the upper part of the inclined plate 220, and after the liquid in the sedimentation basin 200 is fully contained, the supernatant of the sedimentation basin enters the overflow groove 300 from the overflow port 310 for subsequent use.
Specifically, the lower parts of the first sludge hopper 122, the second sludge hopper 241, the third sludge hopper 242, the fourth sludge hopper 243 and the fifth sludge hopper 244 are connected with the sludge discharge pipe 400, and the lower parts of the first sludge hopper 122, the second sludge hopper 241, the third sludge hopper 242, the fourth sludge hopper 243 and the fifth sludge hopper 244 are provided with a first valve 1221, a second valve 2411, a third valve 2421, a fourth valve 2431 and a fifth valve 2441, so that when sludge in the sludge hoppers needs to be cleaned, the valves corresponding to the sludge hoppers are opened to clean the sludge.
More specifically, the inclined plate sedimentation tank is provided with a first inclined plate sedimentation tank 11, a second inclined plate sedimentation tank 12 and a third inclined plate sedimentation tank 13 in parallel, when the first inclined plate sedimentation tank 11 needs to be cleaned, the sludge inlet pipe 50 of the first inclined plate sedimentation tank 11 does not enter the sewage, and the sewage is settled through the second inclined plate sedimentation tank 12 and the third inclined plate sedimentation tank 13; when the second inclined plate sedimentation tank 12 needs to be cleaned, the sludge inlet pipe 50 of the second inclined plate sedimentation tank 12 does not enter the sewage any more, and the sewage is settled through the first inclined plate sedimentation tank 11 and the third inclined plate sedimentation tank 13; when the third inclined plate sedimentation tank 13 needs to be cleaned, the sludge inlet pipe 50 of the third inclined plate sedimentation tank 13 does not enter the sewage any more, and the sewage is settled through the first inclined plate sedimentation tank 11 and the second inclined plate sedimentation tank 12; the inclined plate sedimentation tank does not influence the sedimentation of sewage when being cleaned.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. An inclined plate sedimentation tank, which is characterized by comprising: the system comprises a pretreatment tank, a sedimentation tank, an overflow tank and a sludge discharge pipe, wherein the pretreatment tank, the sedimentation tank and the overflow tank are sequentially connected, the sludge discharge pipe is arranged at the lower parts of the pretreatment tank, the sedimentation tank and the overflow tank, and a sludge inlet pipe is arranged at the upper part of the pretreatment tank;
the pretreatment tank is provided with a baffle, a buffer groove and a first sludge hopper, the baffle is arranged at the front part of the buffer groove, the first sludge hopper is arranged at the lower part of the pretreatment tank, the baffle is communicated with the first sludge hopper, and the buffer groove is connected with one side of the sedimentation tank.
2. The inclined plate sedimentation tank according to claim 1, wherein an overflow plate is provided on the buffer tank, and the overflow plate is lower than the upper portion of the baffle.
3. The inclined plate sedimentation tank as claimed in claim 1, wherein the sedimentation tank is provided with a water inlet, a plurality of inclined plates, a spoiler and a plurality of sludge hoppers, the water inlet is arranged at the lower part of the inclined plates, the inclined plates are arranged on the side wall of the sedimentation tank, the spoiler is arranged at the upper part and the lower part of the inclined plates, the sludge hoppers are arranged at the lower part of the inclined plates, the water inlet is communicated with the buffer tank, the sludge hoppers and the first sludge hopper are positioned on the same horizontal plane, and the other side of the sedimentation tank is integrally connected with the overflow tank.
4. The inclined plate sedimentation tank of claim 3, wherein the inclined plate has an angle of 55 ° to 65 ° with the horizontal plane.
5. The inclined plate sedimentation tank of claim 3, wherein the overflow tank is provided with an overflow port, the overflow port is integrally connected with the sedimentation tank, and the overflow port is lower than the side wall of the sedimentation tank and higher than the flow blocking plate at the upper part of the inclined plate.
6. The inclined plate sedimentation tank as claimed in claim 3, wherein the sludge discharge pipe is provided at a lower portion of the first sludge hopper and the plurality of sludge hoppers.
7. The inclined plate sedimentation tank as claimed in claim 6, wherein a plurality of valves are provided on the sludge discharge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022764573.5U CN214019353U (en) | 2020-11-25 | 2020-11-25 | Inclined plate sedimentation tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022764573.5U CN214019353U (en) | 2020-11-25 | 2020-11-25 | Inclined plate sedimentation tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214019353U true CN214019353U (en) | 2021-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022764573.5U Active CN214019353U (en) | 2020-11-25 | 2020-11-25 | Inclined plate sedimentation tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214019353U (en) |
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2020
- 2020-11-25 CN CN202022764573.5U patent/CN214019353U/en active Active
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