CN212450969U - Sewage treatment deposits dephosphorization pond - Google Patents
Sewage treatment deposits dephosphorization pond Download PDFInfo
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- CN212450969U CN212450969U CN202021039691.3U CN202021039691U CN212450969U CN 212450969 U CN212450969 U CN 212450969U CN 202021039691 U CN202021039691 U CN 202021039691U CN 212450969 U CN212450969 U CN 212450969U
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- sedimentation
- pool
- dephosphorization
- phosphorus removal
- tank
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Abstract
A sewage treatment sedimentation dephosphorization pool comprises a sedimentation pool and a dephosphorization pool which are sequentially communicated, wherein the sedimentation pool is arranged on one side of the dephosphorization pool, the upper part of the sedimentation pool is provided with a first overflow weir, and the first overflow weir is communicated with an overflow pipe arranged in the dephosphorization pool; the middle parts of the sedimentation tank and the phosphorus removal tank are respectively provided with a sedimentation tank guide cylinder and a phosphorus removal tank guide cylinder, two sides of the sedimentation tank guide cylinder are fixedly connected with first angle steel plates, and the first angle steel plates are fixed on two side walls of the sedimentation tank through bolt assemblies and supporting steel plates; one side of the guide cylinder of the dephosphorization pool is provided with a second angle steel plate, the second angle steel plate is fixed on the side wall of the dephosphorization pool through a bolt component and a supporting steel plate, the water inlet pipe of the guide cylinder of the dephosphorization pool is connected with the overflow pipe, and the water inlet pipe of the guide cylinder of the sedimentation pool is communicated with a domestic sewage delivery pipe to be sedimentated. The utility model has the advantages that: the precipitation dephosphorization efficiency is good, the structure is simple, and the cost is low.
Description
Technical Field
The utility model relates to a sewage treatment field, concretely relates to sewage treatment deposits dephosphorization pond.
Background
The existing precipitation phosphorus removal mechanism for domestic sewage treatment is poor in precipitation phosphorus removal efficiency, complex in structure and high in design cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sewage treatment sedimentation dephosphorization pond aiming at the defects.
The utility model comprises a sedimentation tank and a phosphorus removal tank which are communicated in sequence, wherein the sedimentation tank is arranged on one side of the phosphorus removal tank, the upper part of the sedimentation tank is provided with a first overflow weir, and the first overflow weir is communicated with an overflow pipe arranged in the phosphorus removal tank;
the middle parts of the sedimentation tank and the phosphorus removal tank are respectively provided with a sedimentation tank guide cylinder and a phosphorus removal tank guide cylinder, two sides of the sedimentation tank guide cylinder are fixedly connected with first angle steel plates, and the first angle steel plates are fixed on two side walls of the sedimentation tank through bolt assemblies and supporting steel plates; a second angle steel plate is arranged on one side of the guide cylinder of the dephosphorization pool, the second angle steel plate is fixed on the side wall of the dephosphorization pool through a bolt assembly and a support steel plate, a water inlet pipe of the guide cylinder of the dephosphorization pool is connected with the overflow pipe, and a water inlet pipe of the guide cylinder of the sedimentation pool is communicated with a domestic sewage delivery pipe to be sedimentated;
the lower parts of the sedimentation tank and the phosphorus removal tank gradually contract to form a quadrangular pyramid structure, the bottoms of the sedimentation tank and the phosphorus removal tank are respectively provided with a sedimentation tank sludge discharge pipeline and a phosphorus removal tank sludge discharge pipeline which extend out of the sedimentation tank and the phosphorus removal tank, and the sedimentation tank sludge discharge pipeline and the phosphorus removal tank sludge discharge pipeline are respectively provided with a stop valve and an electromagnetic valve with adjustable opening degree;
a second overflow weir is arranged at the upper part of the phosphorus removal tank, a water outlet is arranged in the second overflow weir, and a phosphorus removal agent feeding pipeline is also arranged in the phosphorus removal tank;
the sedimentation tank guide cylinder comprises a vertical cylinder part, a bell mouth-shaped slow flow cover arranged at the lower end of the vertical cylinder part, a plurality of connecting rods connected with the bottom of the slow flow cover and a flow blocking bottom plate;
the upper part of the vertical cylinder part is connected with a water inlet pipe, the end part of the water inlet pipe is provided with a flange connecting part, a first inverted cone cylinder part is arranged in the vertical cylinder part and above the flange connecting part, and the top of the first inverted cone cylinder part is fixedly connected with the circumferential wall in the vertical cylinder part;
a second inverted cone-shaped cylinder part is arranged in the vertical cylinder part and at the outlet end of the vertical cylinder part, and the lower end of the second inverted cone-shaped cylinder part is connected with a second vertical cylinder part;
the flow blocking bottom plate is of an umbrella-shaped structure, the upper surface of the flow blocking bottom plate is fixedly connected with the connecting rods, a channel for the sediment to flow out is formed between the connecting rods and the flow blocking bottom plate, and the cross sectional area of the bottom of the flow blocking bottom plate is larger than that of the bottom of the slow flow cover.
And the water inlet pipe of the guide cylinder of the dephosphorization pool is connected with the connecting end of the overflow pipe through a stainless steel flange.
The first angle steel plate and the second angle steel plate are both 50-degree steel.
The height of the water inlet pipe of the sedimentation tank draft tube is lower than that of the overflow weir.
The height of the second overflow weir is lower than that of the water inlet pipe of the guide shell of the dephosphorization pool.
And the total height of the second inverted cone-shaped cylinder part and the second vertical cylinder part in the vertical direction is half of the height of the slow flow cover.
The interior of the vertical cylinder part is coated with a smooth wear-resistant coating.
The utility model has the advantages that: the precipitation dephosphorization efficiency is good, the structure is simple, and the cost is low.
Description of the drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the internal overlooking structure of the present invention.
FIG. 3 is a schematic diagram of the internal structure of the phosphorus removal tank.
FIG. 4 is a schematic view of the connection of a sludge discharge pipe of the sedimentation tank and a sludge discharge pipe of the phosphorus removal tank.
Fig. 5 is a schematic structural diagram of a sedimentation tank draft tube.
Fig. 6 is a schematic vertical sectional structure diagram of the sedimentation tank draft tube.
Fig. 7 is a schematic structural view of the first reverse tapered cylinder portion.
Fig. 8 is a schematic structural view of the second inverted cone portion.
Detailed Description
As shown in the attached drawings, the utility model comprises a sedimentation tank 6 and a phosphorus removal tank 7 which are communicated in sequence, wherein the sedimentation tank 6 is arranged at one side of the phosphorus removal tank 7, a first overflow weir 60 is arranged at the upper part of the sedimentation tank 6, and the first overflow weir 60 is communicated with an overflow pipe 61 arranged in the phosphorus removal tank 7;
the middle parts of the sedimentation tank 6 and the phosphorus removal tank 7 are respectively provided with a sedimentation tank guide cylinder 62 and a phosphorus removal tank guide cylinder 63, two sides of the sedimentation tank guide cylinder 62 are fixedly connected with first angle steel plates 64, and the first angle steel plates 64 are fixed on two side walls of the sedimentation tank 6 through bolt components and supporting steel plates 73; a second angle steel plate 66 is arranged on one side of the guide cylinder 63 of the dephosphorization pool, the second angle steel plate 66 is fixed on the side wall of the dephosphorization pool 7 through a bolt component and a support steel plate 73, the water inlet pipe of the guide cylinder 63 of the dephosphorization pool is connected with the overflow pipe 61, and the water inlet pipe of the guide cylinder 62 of the sedimentation pool is communicated with the domestic sewage water supply pipe 59 to be sedimentated;
the lower parts of the sedimentation tank 6 and the phosphorus removal tank 7 gradually contract to form a quadrangular pyramid structure, the bottoms of the sedimentation tank 6 and the phosphorus removal tank 7 are respectively provided with a sedimentation tank sludge discharge pipeline 67 and a phosphorus removal tank sludge discharge pipeline 68 which extend out of the sedimentation tank 6 and the phosphorus removal tank 7, and the sedimentation tank sludge discharge pipeline 67 and the phosphorus removal tank sludge discharge pipeline 68 are respectively provided with a stop valve 69 and an electromagnetic valve 70 with adjustable opening degree;
a second overflow weir 71 is arranged at the upper part of the phosphorus removal tank 7, a water outlet 72 is arranged in the second overflow weir 71, and a phosphorus removal agent feeding pipeline is also arranged in the phosphorus removal tank 7;
the sedimentation tank guide cylinder 62 comprises a vertical cylinder part 31, a bell-mouth-shaped slow flow cover 32 arranged at the lower end of the vertical cylinder part 31, a plurality of connecting rods 33 connected with the bottom of the slow flow cover 32 and a flow blocking bottom plate 34;
the upper part of the vertical cylinder part 31 is connected with a water inlet pipe, the end part of the water inlet pipe is provided with a flange connecting part 36, a first inverted cone cylinder part 38 is arranged in the vertical cylinder part 31 and above the flange connecting part 36, and the top of the first inverted cone cylinder part 38 is fixedly connected with the circumferential wall in the vertical cylinder part 31;
a second inverted cone-shaped cylinder part 37 is arranged in the vertical cylinder part 31 and at the outlet end of the vertical cylinder part, and a second vertical cylinder part 39 is connected to the lower end of the second inverted cone-shaped cylinder part 37;
the flow blocking bottom plate 34 is of an umbrella-shaped structure, the upper surface of the flow blocking bottom plate 34 is fixedly connected with the connecting rods 33, a channel for the outflow of sediments is formed between the connecting rods 33 and the flow blocking bottom plate 34, and the cross-sectional area of the bottom of the flow blocking bottom plate 34 is larger than that of the bottom of the slow flow cover 32.
And the water inlet pipe of the guide cylinder 63 of the dephosphorization tank is connected with the connecting end of the overflow pipe 61 through a stainless steel flange.
The first angle steel plate 64 and the second angle steel plate 66 are both 50-angle steel.
The inlet pipe of the sedimentation basin draft tube 62 is positioned at a height lower than the height of the overflow weir 60.
The height of the second overflow weir 71 is lower than that of the water inlet pipe of the guide cylinder 63 of the dephosphorization tank.
The total height of the second inverted cone portion 37 and the second vertical cylindrical portion 39 in the vertical direction is half of the height of the slow flow cover 32.
The interior of the vertical cylinder portion 31 is coated with a smooth wear-resistant coating.
The working principle is as follows: the domestic sewage water supply pipe 59 to be precipitated sends sewage into the sedimentation tank guide cylinder 62 through the water inlet pipe of the sedimentation tank guide cylinder 62, precipitates fall downwards in the vertical cylinder part 31 under the influence of gravity, water flows upwards out of the vertical cylinder part 31, the precipitates fall out of the second inverted cone-shaped cylinder part 37 and the second vertical cylinder part 39 after falling to the lower end of the vertical cylinder part 31, and then the precipitates flow out of a channel formed between the connecting rods 33 and the flow blocking bottom plate 34. The second inverted cone-shaped cylinder part 37 and the second vertical cylinder part 39 can block the sediment, so that the sediment rarely falls down and can flow back into the vertical cylinder part 31, and the first inverted cone-shaped cylinder part 38 can block a small amount of sediment which can be carried when the water flows out upwards from the vertical cylinder part 31. The precipitate receives the influence of gravity to deposit downwards in the draft tube, and rivers flow out upwards in the draft tube, and first back taper section of thick bamboo portion and second inverted cone section of thick bamboo make to deposit and hardly flow back again after falling, have improved the sediment effect. After overflowing from the upper part of the guide cylinder 62 of the sedimentation tank, the water enters the guide cylinder 63 of the dephosphorization tank through the first overflow weir 60 and the overflow pipe 61, the precipitate sinks to the bottom of the dephosphorization tank 7 under the action of gravity, and after overflowing from the upper part of the guide cylinder 63 of the dephosphorization tank, the water is mixed with a dephosphorization agent and then flows out through the second overflow weir 71 and the water outlet 72, so that the purified sewage can be obtained. And a sedimentation tank sludge discharge pipeline 67 and a phosphorus removal tank sludge discharge pipeline 68 which extend out of the bottoms of the sedimentation tank 6 and the phosphorus removal tank 7 discharge the precipitated sludge through a control stop valve 69 and an electromagnetic valve 70 with adjustable opening. The utility model has the advantages that: the precipitation dephosphorization efficiency is good, the structure is simple, and the cost is low.
Claims (7)
1. A sewage treatment sedimentation dephosphorization pool is characterized by comprising a sedimentation pool (6) and a dephosphorization pool (7) which are sequentially communicated, wherein the sedimentation pool (6) is arranged on one side of the dephosphorization pool (7), the upper part of the sedimentation pool (6) is provided with a first overflow weir (60), and the first overflow weir (60) is communicated with an overflow pipe (61) arranged in the dephosphorization pool (7);
the middle parts of the sedimentation tank (6) and the phosphorus removal tank (7) are respectively provided with a sedimentation tank guide cylinder (62) and a phosphorus removal tank guide cylinder (63), two sides of the sedimentation tank guide cylinder (62) are fixedly connected with first angle steel plates (64), and the first angle steel plates (64) are fixed on two side walls of the sedimentation tank (6) through bolt assemblies and supporting steel plates (73); a second angle steel plate (66) is arranged on one side of the guide cylinder (63) of the dephosphorization pool, the second angle steel plate (66) is fixed on the side wall of the dephosphorization pool (7) through a bolt component and a support steel plate (73), the water inlet pipe of the guide cylinder (63) of the dephosphorization pool is connected with the overflow pipe (61), and the water inlet pipe of the guide cylinder (62) of the sedimentation pool is communicated with a domestic sewage delivery pipe (59) to be precipitated;
the lower parts of the sedimentation tank (6) and the phosphorus removal tank (7) gradually contract to form a quadrangular pyramid structure, the bottoms of the sedimentation tank (6) and the phosphorus removal tank (7) are respectively provided with a sedimentation tank sludge discharge pipeline (67) and a phosphorus removal tank sludge discharge pipeline (68) which extend out of the sedimentation tank (6) and the phosphorus removal tank (7), and the sedimentation tank sludge discharge pipeline (67) and the phosphorus removal tank sludge discharge pipeline (68) are respectively provided with a stop valve (69) and an electromagnetic valve (70) with adjustable opening degree;
a second overflow weir (71) is arranged at the upper part of the phosphorus removal tank (7), a water outlet (72) is arranged in the second overflow weir (71), and a phosphorus removal agent feeding pipeline is also arranged in the phosphorus removal tank (7);
the sedimentation tank guide cylinder (62) comprises a vertical cylinder part (31), a bell-mouth-shaped slow flow cover (32) arranged at the lower end of the vertical cylinder part (31), a plurality of connecting rods (33) connected with the bottom of the slow flow cover (32) and a flow blocking bottom plate (34);
the upper part of the vertical cylinder part (31) is connected with a water inlet pipe, the end part of the water inlet pipe is provided with a flange connecting part (36), a first inverted cone cylinder part (38) is arranged in the vertical cylinder part (31) and above the flange connecting part (36), and the top of the first inverted cone cylinder part (38) is fixedly connected with the circumferential wall in the vertical cylinder part (31);
a second inverted cone-shaped cylinder part (37) is arranged in the vertical cylinder part (31) and at the outlet end of the vertical cylinder part, and a second vertical cylinder part (39) is connected to the lower end of the second inverted cone-shaped cylinder part (37);
the flow blocking bottom plate (34) is of an umbrella-shaped structure, the upper surface of the flow blocking bottom plate (34) is fixedly connected with the connecting rods (33), a channel for sediment to flow out is formed between the connecting rods (33) and the flow blocking bottom plate (34), and the cross sectional area of the bottom of the flow blocking bottom plate (34) is larger than that of the bottom of the slow flow cover (32).
2. The sewage treatment sedimentation dephosphorization pond according to claim 1, wherein the connection end of the water inlet pipe of the dephosphorization pond draft tube (63) and the overflow pipe (61) is connected through a stainless steel flange.
3. The sewage treatment sedimentation dephosphorization pond according to claim 1, wherein the first angle steel plate (64) and the second angle steel plate (66) are both 50-degree steel.
4. The sewage treatment sedimentation dephosphorization pond according to claim 1, wherein the inlet pipe of the sedimentation pond draft tube (62) is positioned at a lower height than the overflow weir (60).
5. The wastewater treatment sedimentation phosphorus removal tank as claimed in claim 1, wherein the second overflow weir (71) is located at a lower height than the inlet pipe of the guide shell (63) of the phosphorus removal tank.
6. The wastewater treatment sedimentation phosphorus removal tank of claim 1, wherein the total height of the second inverted cone-shaped cylinder part (37) and the second vertical cylinder part (39) in the vertical direction is half of the height of the slow flow cover (32).
7. The sewage treatment precipitation dephosphorization pond according to claim 1, wherein the interior of the vertical barrel portion (31) is coated with a smooth wear-resistant coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021039691.3U CN212450969U (en) | 2020-06-09 | 2020-06-09 | Sewage treatment deposits dephosphorization pond |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021039691.3U CN212450969U (en) | 2020-06-09 | 2020-06-09 | Sewage treatment deposits dephosphorization pond |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212450969U true CN212450969U (en) | 2021-02-02 |
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ID=74491628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021039691.3U Active CN212450969U (en) | 2020-06-09 | 2020-06-09 | Sewage treatment deposits dephosphorization pond |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212450969U (en) |
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2020
- 2020-06-09 CN CN202021039691.3U patent/CN212450969U/en active Active
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