CN207775030U - A kind of efficient deep phosphorous removal system of two-stage activity sand filtration - Google Patents
A kind of efficient deep phosphorous removal system of two-stage activity sand filtration Download PDFInfo
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- CN207775030U CN207775030U CN201721901939.0U CN201721901939U CN207775030U CN 207775030 U CN207775030 U CN 207775030U CN 201721901939 U CN201721901939 U CN 201721901939U CN 207775030 U CN207775030 U CN 207775030U
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Abstract
A kind of efficient deep phosphorous removal system of two-stage activity sand filtration, the utility model is related to technical field of sewage；The rear of grid is connected with regulating reservoir by pipeline, the water outlet of regulating reservoir is connect by pipeline with primary sedimentation tank, the water outlet of primary sedimentation tank is connected with level-one UASB anaerobic ponds in turn by pipeline, two level UASB anaerobic ponds, the water outlet of two level UASB anaerobic ponds is connected with level-one anoxic pond in turn by pipeline, two level anoxic pond, the water outlet of two level anoxic pond is connected with level-one aerobic tank in turn by pipeline, two level aerobic tank, three-level aerobic tank and level Four aerobic tank, the water outlet of level Four aerobic tank is connect by pipeline with secondary settling tank, the water outlet of secondary settling tank is connect by pipeline with dosing distribution reservoir, the water outlet of dosing distribution reservoir is connect with level-one sand filter and two level sand filter successively by pipeline.The problem of having captured Mud up-floating can either make total phosphorus degradation thorough, and can also ensure that stable effluent quality, and practicability is stronger.
Description
Technical field
The utility model is related to technical field of sewage, and in particular to a kind of efficient deep phosphorous removal system of two-stage activity sand filtration
System.
Background technology
In recent years, the research collectively show that in China and North America, fresh water eutrophication is without controlling nitrogen, only need to control phosphorus.Wherein most
An important reason is nitrogen, the cycle feature of phosphorus determines that the restriction factor of aquatic ecosystem is phosphorus and non-nitrogen.With gaseousness
Nitrogen cycle is compared, and appositional pattern phosphorus cycle is slower.Due to phosphorus limited source, and it is easier to deposit, limit of the phosphorus to lake Primary Production
It makes of necessarily more stronger than nitrogen.Therefore, may be most effective eutrophication control countermeasure by controlling phosphorus to enter water body.
However, for some sensitizing ranges, such as Chaohu, Dian Chi, periphery sewage treatment plant TP reach level-one A standards also not
Body eutrophication can be effectively controlled, overall control should be carried out using environmental capacity of water as target.Therefore, the depth of sewage treatment plant
Degree dephosphorization is in the development trend that China is future.
Traditional chemical dephosphorization must add coagulation stirring+precipitation to realize dephosphorization, but be easy to cause in practical operation
Coagulation, the Mud up-floating to flocculate are (such as：Dosage is excessive etc.), largely effect on effluent quality.
Utility model content
The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, a kind of simple in structure, design conjunction is provided
The problem of managing, the efficient deep phosphorous removal system of two-stage activity sand filtration easy to use, having captured Mud up-floating, can either make total phosphorus
Degradation is thorough, and can also ensure that stable effluent quality, and practicability is stronger.
To achieve the above object, the technical solution adopted in the utility model is：It includes grid, regulating reservoir, primary sedimentation tank, one
Grade UASB anaerobic ponds, two level UASB anaerobic ponds, level-one anoxic pond, two level anoxic pond, level-one aerobic tank, two level aerobic tank, three-level
Aerobic tank, level Four aerobic tank, secondary settling tank, dosing distribution reservoir, level-one sand filter and two level sand filter；The rear of grid passes through pipeline
It is connected with regulating reservoir, the water outlet of regulating reservoir is connect by pipeline with primary sedimentation tank, and the water outlet of primary sedimentation tank is connected successively by pipeline
It is connected to level-one UASB anaerobic ponds, two level UASB anaerobic ponds, the water outlet of two level UASB anaerobic ponds is connected with one in turn by pipeline
Grade anoxic pond, two level anoxic pond, it is aerobic that the water outlet of two level anoxic pond by pipeline is connected with level-one aerobic tank, two level in turn
The water outlet of pond, three-level aerobic tank and level Four aerobic tank, level Four aerobic tank is connect by pipeline with secondary settling tank, the water outlet of secondary settling tank
Mouthful connect with dosing distribution reservoir by pipeline, the water outlet of dosing distribution reservoir by pipeline successively with level-one sand filter and two level sand
Filter tank connects；The wherein described level-one sand filter and two level sand filter by filter sand tank, active casting bed, wash tub pipe, water distributor,
Wired hose, sand-washing device, outlet pipe, water inlet pipe, air lift and compressed air hose are constituted；The inside of filter sand tank is filled out equipped with work
Property casting bed, the inside of active casting bed are laid with several water distributors, and the top of several water distributors is connect with water inlet pipe, and water inlet pipe is worn
It is located at the top sidewall of filter sand tank；The bottom of the filter sand tank is equipped with wired hose, and lower end and the air of wired hose are promoted
Pump connection；The compressed air hose is set to after the top plate of filter sand tank in filter sand tank, and lower end is connect with sand-washing device, and
The lower part of sand-washing device is plugged in active casting bed, and the lower end of sand-washing device is connected to setting with wired hose；The outlet pipe setting
In another side wall upper part of filter sand tank；The wash tub pipe is threaded through the upper portion side wall of filter sand tank；The level-one sand filter
Water inlet pipe connect with dosing distribution reservoir by pipeline, the water inlet that the outlet pipe of level-one sand filter passes through pipeline and two level sand filter
Pipe connects.
Further, the grid is made of coarse rack and fine fack, and the rear of coarse rack is equipped with fine fack, and the two
Pond body be connected setting.
Further, active casting bed average diameter is 1.3mm in the level-one sand filter.
Further, active casting bed average diameter is 0.9mm in the two level sand filter.
Further, it is respectively provided with diving mixer in the level-one anoxic pond and two level anoxic pond.
Further, it is equipped between the primary sedimentation tank and level-one UASB anaerobic ponds and matches mill weir.
With the above structure, the utility model has the beneficial effect that：A kind of two-stage activity sand filtration described in the utility model
Efficient deep phosphorous removal system, can either make total phosphorus degradation thorough, and can also ensure that out at the problem of having captured Mud up-floating
Water quality stabilizing, practicability is stronger, and the utility model has the advantages that simple in structure, setting is reasonable, low manufacture cost.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, before not making the creative labor property
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the process flow chart of the utility model.
Fig. 2 is the utility model distribution schematic diagram.
Fig. 3 is the connection diagram of level-one sand filter and two level sand filter in the utility model.
Reference sign：
Grid 1, regulating reservoir 2, level-one UASB anaerobic ponds 3, two level UASB anaerobic ponds 4, level-one anoxic pond 5, two level anoxic pond
6, level-one aerobic tank 7, two level aerobic tank 8, three-level aerobic tank 9, level Four aerobic tank 10, secondary settling tank 11, dosing distribution reservoir 12, level-one
Sand filter 13, filter sand tank 13-1, active casting bed 13-2, wash tub pipe 13-3, water distributor 13-4, wired hose 13-5, sand-washing device
13-6, it outlet pipe 13-7, water inlet pipe 13-8, air lift 13-9, compressed air hose 13-10, two level sand filter 14, just sinks
Mill weir 17, is matched at diving mixer 16 in pond 15.
Specific implementation mode
The utility model will be further described below with reference to the accompanying drawings.
Referring to as shown in Figure 1-Figure 3, present embodiment the technical solution adopted is that：It includes grid 1, regulating reservoir
2, primary sedimentation tank 15, level-one UASB anaerobic ponds 3, two level UASB anaerobic ponds 4, level-one anoxic pond 5, two level anoxic pond 6, level-one aerobic tank
7, two level aerobic tank 8, three-level aerobic tank 9, level Four aerobic tank 10, secondary settling tank 11, dosing distribution reservoir 12, level-one sand filter 13 and two
Grade sand filter 14；The rear of grid 1 is connected with regulating reservoir 2 by pipeline, and the water outlet of regulating reservoir 2 passes through pipeline and primary sedimentation tank
15 connections, the water outlet of primary sedimentation tank 15 are connected with level-one UASB anaerobic ponds 3, two level UASB anaerobic ponds 4 in turn by pipeline, and two
The water outlet of grade UASB anaerobic ponds 4 is connected with level-one anoxic pond 5, two level anoxic pond 6 in turn by pipeline, two level anoxic pond 6
Water outlet is connected with level-one aerobic tank 7, two level aerobic tank 8, three-level aerobic tank 9 and level Four aerobic tank 10 in turn by pipeline, and four
The water outlet of grade aerobic tank 10 is connect by pipeline with secondary settling tank 11, and the water outlet of secondary settling tank 11 passes through pipeline and dosing distribution reservoir
12 connections, the water outlet of dosing distribution reservoir 12 are connect with level-one sand filter 13 and two level sand filter 14 successively by pipeline；Wherein
The level-one sand filter 13 and two level sand filter 14 is by filter sand tank 13-1, active casting bed 13-2, wash tub pipe 13-3, water distribution
Device 13-4, wired hose 13-5, sand-washing device 13-6, outlet pipe 13-7, water inlet pipe 13-8, air lift 13-9 and compressed air
Pipe 13-10 is constituted；The inside of filter sand tank 13-1 is filled out equipped with active casting bed 13-2, and the inside of active casting bed 13-2 is laid with several cloth
Hydrophone 13-4, the top of several water distributor 13-4 are connect with water inlet pipe 13-8, and water inlet pipe 13-8 is threaded through filter sand tank 13-1's
Top sidewall；The bottom of the filter sand tank 13-1 is equipped with wired hose 13-5, and lower end and the air of wired hose 13-5 are promoted
Pump 13-9 connections；The compressed air hose 13-10 is set to after the top plate of filter sand tank 13-1 in filter sand tank 13-1,
Lower end is connect with sand-washing device 13-6, and the lower part of sand-washing device 13-6 is plugged in active casting bed 13-2, the lower end of sand-washing device 13-6
It is connected to setting with wired hose 13-5；Another side wall upper part in filter sand tank 13-1 is arranged in the outlet pipe 13-7；Described
Wash tub pipe 13-3 is threaded through the upper portion side wall of filter sand tank 13-1；The water inlet pipe 13-8 of the level-one sand filter 13 passes through pipe
Road is connect with dosing distribution reservoir 12, the water inlet pipe that the outlet pipe 13-7 of level-one sand filter 13 passes through pipeline and two level sand filter 14
13-8 connections.
Further, the grid 1 is made of coarse rack and fine fack, and the rear of coarse rack is equipped with fine fack, and two
The pond body of person is connected setting.
Further, the level-one sand filter 13 and two level sand filter 14 are built up tower, convenient operation maintenance in the future.
Further, the efficient deep phosphorous removal system of two-stage activity sand filtration is controlled using PLC, realizes operation certainly
Dynamicization.
Further, the level-one sand filter 13 need to rinse internal active casting bed 13-2 in time, because of coagulating sedimentation
A certain amount of sludge can be remained so that the active sand of internal active casting bed 13-2 keeps good adsorption capacity.
Further, active casting bed 13-2 average diameters are 1.3mm in the level-one sand filter 13.
Further, active casting bed 13-2 average diameters are 0.9mm in the two level sand filter 14.
Further, it is respectively provided with diving mixer 16 in the level-one anoxic pond 5 and two level anoxic pond 6.
Further, it is equipped between the primary sedimentation tank 15 and level-one UASB anaerobic ponds 3 and matches mill weir 17.
The workflow of present embodiment is as follows：
1, coarse rack+fine fack is set, coarse rack is used for every removing bigger floating material etc., and it is thick that fine fack is mainly used to retention
The substances such as sand class, the volume of day output should be set equal to by adjusting pool volume；
2, regulating reservoir elevator pump water lift sequentially enters level-one UASB anaerobic ponds 3, two level UASB anaerobic ponds 4, level-one anoxic pond
5, two level anoxic pond 6, level-one aerobic tank 7, two level aerobic tank 8, three-level aerobic tank 9, level Four aerobic tank 10, influent quality cannot mix
There is too many dissolubility impurity；General anaerobic HRT:Anoxic hydraulic detention time：Aerobic hydraulic detention time=
1.5：2：7；
3, sludge reflux pump need to be set from the phosphorus containing sludge of the discharge of primary sedimentation tank 15 and enters anaerobic reactor, major function is
Phosphorus is discharged, while ammonification is carried out to partial organic substances；
4, diving mixer is set in level-one anoxic pond 5 and two level anoxic pond 6, on the one hand so that dissolved oxygen is tieed up in anoxic pond
It holds between 0.2-0.5mg/l, another aspect diving mixer constantly draws denitrification final product N2 discharge anoxic ponds；Setting
Two roots blowers to level-one aerobic tank 7, two level aerobic tank 8, three-level aerobic tank 9 and level Four aerobic tank 10 for dissolved oxygen, simultaneously
To temperature is increased in pond, winter air blower is particularly important for temperature；
5, secondary settling tank 11 is discharged first adds PAC coagulating sedimentation in dosing distribution reservoir 12, then adds dephosphorization agent flocculation, then
Chlorination gas carries out disinfection；
6, when the sewage to have made up a prescription enters level-one sand filter 13 and two level sand filter 14, by being located at level-one sand filter 13
Enter in level-one sand filter 13 and two level sand filter 14 with the water distributor 13-4 of 14 bottom of two level sand filter, flow is inverse from bottom to top
Stream is by active casting bed 13-2, and filtrate after filtering is assembled at the top of level-one sand filter 13 and two level sand filter 14, through overflowing
Head piece flows out.
With the above structure, present embodiment has the beneficial effect that：A kind of two-stage described in present embodiment
The active efficient deep phosphorous removal system of sand filtration, the problem of having captured Mud up-floating, can either make total phosphorus degradation thorough, and can also
Enough ensure stable effluent quality, practicability is stronger, and the utility model has simple in structure, and it is excellent that setting is reasonable, and cost of manufacture is low etc.
Point.
The above is merely intended for describing the technical solutions of the present application, but not for limiting the present application, those of ordinary skill in the art couple
The other modifications or equivalent replacement that the technical solution of the utility model is made, without departing from technical solutions of the utility model
Spirit and scope should all cover in the right of the utility model.
Claims (5)
1. a kind of efficient deep phosphorous removal system of two-stage activity sand filtration, it is characterised in that：It includes grid, regulating reservoir, primary sedimentation tank, one
Grade UASB anaerobic ponds, two level UASB anaerobic ponds, level-one anoxic pond, two level anoxic pond, level-one aerobic tank, two level aerobic tank, three-level
Aerobic tank, level Four aerobic tank, secondary settling tank, dosing distribution reservoir, level-one sand filter and two level sand filter；The rear of grid passes through pipeline
It is connected with regulating reservoir, the water outlet of regulating reservoir is connect by pipeline with primary sedimentation tank, and the water outlet of primary sedimentation tank is connected successively by pipeline
It is connected to level-one UASB anaerobic ponds, two level UASB anaerobic ponds, the water outlet of two level UASB anaerobic ponds is connected with one in turn by pipeline
Grade anoxic pond, two level anoxic pond, it is aerobic that the water outlet of two level anoxic pond by pipeline is connected with level-one aerobic tank, two level in turn
The water outlet of pond, three-level aerobic tank and level Four aerobic tank, level Four aerobic tank is connect by pipeline with secondary settling tank, the water outlet of secondary settling tank
Mouthful connect with dosing distribution reservoir by pipeline, the water outlet of dosing distribution reservoir by pipeline successively with level-one sand filter and two level sand
Filter tank connects；The wherein described level-one sand filter and two level sand filter by filter sand tank, active casting bed, wash tub pipe, water distributor,
Wired hose, sand-washing device, outlet pipe, water inlet pipe, air lift and compressed air hose are constituted；The inside of filter sand tank is filled out equipped with work
Property casting bed, the inside of active casting bed are laid with several water distributors, and the top of several water distributors is connect with water inlet pipe, and water inlet pipe is worn
It is located at the top sidewall of filter sand tank；The bottom of the filter sand tank is equipped with wired hose, and lower end and the air of wired hose are promoted
Pump connection；The compressed air hose is set to after the top plate of filter sand tank in filter sand tank, and lower end is connect with sand-washing device, and
The lower part of sand-washing device is plugged in active casting bed, and the lower end of sand-washing device is connected to setting with wired hose；The outlet pipe setting
In another side wall upper part of filter sand tank；The wash tub pipe is threaded through the upper portion side wall of filter sand tank；The level-one sand filter
Water inlet pipe connect with dosing distribution reservoir by pipeline, the water inlet that the outlet pipe of level-one sand filter passes through pipeline and two level sand filter
Pipe connects.
2. the efficient deep phosphorous removal system of a kind of two-stage activity sand filtration according to claim 1, it is characterised in that：The lattice
Grid are made of coarse rack and fine fack, and the rear of coarse rack is equipped with fine fack, and the pond body of the two is connected setting.
3. the efficient deep phosphorous removal system of a kind of two-stage activity sand filtration according to claim 1, it is characterised in that：Described one
Active casting bed average diameter is 1.3mm in grade sand filter.
4. the efficient deep phosphorous removal system of a kind of two-stage activity sand filtration according to claim 1, it is characterised in that：Described two
Active casting bed average diameter is 0.9mm in grade sand filter.
5. the efficient deep phosphorous removal system of a kind of two-stage activity sand filtration according to claim 1, it is characterised in that：Described is first
Heavy be equipped between pond and level-one UASB anaerobic ponds matches mill weir.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901939.0U CN207775030U (en) | 2017-12-29 | 2017-12-29 | A kind of efficient deep phosphorous removal system of two-stage activity sand filtration |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721901939.0U CN207775030U (en) | 2017-12-29 | 2017-12-29 | A kind of efficient deep phosphorous removal system of two-stage activity sand filtration |
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| CN207775030U true CN207775030U (en) | 2018-08-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117164177A (en) * | 2023-11-02 | 2023-12-05 | 珙县华洁危险废物治理有限责任公司成都分公司 | Biochemical treatment system and method for brewing wastewater |
-
2017
- 2017-12-29 CN CN201721901939.0U patent/CN207775030U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117164177A (en) * | 2023-11-02 | 2023-12-05 | 珙县华洁危险废物治理有限责任公司成都分公司 | Biochemical treatment system and method for brewing wastewater |
| CN117164177B (en) * | 2023-11-02 | 2024-01-05 | 珙县华洁危险废物治理有限责任公司成都分公司 | Biochemical treatment system and method for brewing wastewater |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20201229 |