CN213623615U - Sewage dephosphorization system - Google Patents
Sewage dephosphorization system Download PDFInfo
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- CN213623615U CN213623615U CN202022433815.2U CN202022433815U CN213623615U CN 213623615 U CN213623615 U CN 213623615U CN 202022433815 U CN202022433815 U CN 202022433815U CN 213623615 U CN213623615 U CN 213623615U
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- sewage
- clean water
- dosing pump
- regulating valve
- dephosphorization
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- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Removal Of Specific Substances (AREA)
Abstract
The utility model belongs to the technical field of sewage treatment, concretely relates to sewage dephosphorization system, it is including water intake pipe, flocculation basin, sedimentation tank and the clean water basin that communicates the setting in proper order, the clean water basin is provided with the phosphate analyzer, the probe of phosphate analyzer stretches into in the clean water basin, the flocculation basin is provided with the phosphorus removal agent dosing pump. The sewage dephosphorization system can control the dosing amount of the dephosphorization agent dosing pump in time according to the analysis data of the phosphate analyzer, and improves the automation degree of sewage dephosphorization.
Description
Technical Field
The utility model belongs to the technical field of sewage treatment, concretely relates to sewage dephosphorization system.
Background
With the rapid development of the phosphating industry, the environmental pollution condition is increasingly serious. The phosphorus-containing wastewater is one of the main reasons for causing water eutrophication, and the significance of controlling the over-standard discharge of the phosphorus-containing wastewater is great.
The phosphorus removal technology mainly comprises biological phosphorus removal, ecological phosphorus removal and chemical phosphorus removal, the biological phosphorus removal treatment effect is limited, the ecological phosphorus removal needs to occupy large-area land resources, and the chemical phosphorus removal is widely applied due to high phosphorus removal efficiency. Chemical phosphorus removal is the removal of phosphorus from sewage by adding a chemical to the sewage, reacting with phosphorus to form insoluble phosphate, and flocculating, precipitating, air floating or filtering. The addition of the phosphorus removal agent is the most important link in the water inlet method, the quality of the medicine adding effect directly influences the whole process of water treatment, too little flocculation effect is poor, colloid in water is not completely destabilized, too much destabilization occurs, the water quality effect is poor, and the medicine is wasted.
The existing phosphorus removal adding system cannot accurately add the medicament amount, causes resource waste or insufficient adding due to excessive medicament adding, influences the effluent quality, is complex to operate, high in labor cost, single in parameter, incapable of monitoring and feedback adjusting in real time, and incapable of considering both the environmental benefit and the economic benefit of phosphorus removal.
SUMMERY OF THE UTILITY MODEL
In order to solve the defects of the prior art, the utility model provides a sewage dephosphorization system.
The utility model provides a technical scheme as follows:
the utility model provides a sewage dephosphorization system, is including water intake pipe, flocculation basin, sedimentation tank and the clean water basin that communicates the setting in proper order, the clean water basin is provided with the phosphate analyzer, the flocculation basin is provided with the phosphorus removal agent and adds the medicine pump.
Based on the sewage dephosphorization system that above-mentioned technical scheme provided, can be according to the analysis data of phosphate analyzer, the dosing amount of timely control dephosphorization agent dosing pump, compare prior art, its automation of further improvement.
Adding a phosphorus removal agent into the flocculation tank, mixing a flocculating agent and sewage, bonding fine undissolved solids into a larger floccule, then feeding the fully flocculated sewage into a sedimentation tank, and allowing the undissolved solids in the sewage to sink to separate solid from liquid, wherein finally, the phosphorus content of the discharged water meets the discharge standard.
Further, the phosphate analyzer is an online phosphate analyzer; the phosphorus removing agent dosing pump is a numerical control phosphorus removing agent dosing pump; the sewage dephosphorization system further comprises a controller, wherein the controller is respectively and electrically connected with the phosphate analyzer and the dephosphorization agent dosing pump.
Based on the technical scheme, the system can automatically add or reduce the phosphorus removal agent according to the data of the online phosphate analyzer. The data of total phosphorus provided by the online phosphate analyzer is multiplied by a coefficient according to the mass of the total phosphorus, and the result is the mass of the phosphorus removing agent needing to be added. The coefficient range can be selected from 0 to 3.
Specifically, a first regulating valve is arranged between the flocculation tank and the sedimentation tank; and a second regulating valve is also arranged between the sedimentation tank and the clean water tank.
Based on this technical scheme, can adjust the switch of each valve as required.
Specifically, the first regulating valve is an electromagnetic valve; the second regulating valve is an electromagnetic valve; the controller is also electrically connected with the first regulating valve and the second regulating valve respectively.
Furthermore, the water inlet pipeline and the flocculation tank are sequentially communicated with each other and provided with a variable frequency pump and a flow transmitter, and the variable frequency pump and the flow transmitter are respectively and electrically connected with the controller.
Based on the technical scheme, the controller can adjust the flow of the variable frequency pump according to the flow information of the flow transmitter, so that the problem of unstable incoming water flow is solved. A flow threshold may be set in the controller. For example, in the event that an increase in the incoming water flow rate is necessary, the incoming water flow rate is adjusted. The dosage of the corresponding phosphorus removing agent is increased, and the standard of the total phosphorus of the effluent is ensured. The increase in flow rate may be set up to 20%.
Specifically, the phosphorus removing agent dosing pump is positioned on one side of the inlet water of the flocculation tank; the phosphate analyzer is positioned on one side of the clean water tank outlet water.
The utility model discloses can practice thrift human cost, online parameter diversification, real-time supervision and feedback, easy operation by a wide margin, make the medicament cost and the human cost reduction of whole sewage dephosphorization.
Drawings
Fig. 1 is a schematic structural diagram of a sewage dephosphorization system provided by the utility model.
In fig. 1, the structure represented by each reference numeral is listed as follows:
1. the device comprises a flocculation tank, 2 a sedimentation tank, 3 a clean water tank, 4 a phosphate analyzer, 5 a phosphorus removal agent dosing pump, 6 a controller, 7 and a water inlet pipeline.
Detailed Description
The following description is made for the purpose of illustrating the principles and features of the present invention, and is not intended to limit the scope of the invention.
In a specific embodiment, as shown in fig. 1, the sewage dephosphorization system comprises a water inlet pipeline 7, a flocculation tank 1, a sedimentation tank 2 and a clean water tank 3 which are sequentially communicated, wherein the clean water tank 3 is provided with a phosphate analyzer 4, a probe of the phosphate analyzer 4 extends into the clean water tank 3, and the flocculation tank 1 is provided with a dephosphorization agent dosing pump 5. Based on the sewage dephosphorization system provided by the technical scheme, the dosage of the dephosphorization agent dosing pump can be timely adjusted according to the analysis data of the phosphate analyzer, and the automation of the dephosphorization agent dosing pump is further improved compared with the prior art.
In one embodiment, the phosphate analyzer 4 is an online phosphate analyzer 4; the phosphorus removing agent dosing pump 5 is a numerical control phosphorus removing agent dosing pump 5; the sewage dephosphorization system also comprises a controller 6, and the controller 6 is respectively and electrically connected with the phosphate analyzer 4 and the dephosphorization agent dosing pump 5. Based on the technical scheme, the system can automatically add the phosphorus removal agent according to the data of the online phosphate analyzer. The data of the total phosphorus provided by the online phosphate analyzer is multiplied by a coefficient according to the mass of the total phosphorus, and the value is the value of the phosphorus removing agent to be added. The coefficient may be chosen to be 1.2. When the numerical value of the phosphate analyzer is larger, the concentration of the phosphate in the previous section of inlet water is higher, and the addition amount of the phosphorus removing agent is correspondingly increased by the controller. When the value of the phosphate analyzer is smaller, the concentration of the phosphate in the inlet water of the previous section is lower, and the controller correspondingly reduces the adding amount of the phosphorus removing agent, so that the aim of saving the cost of the agent is fulfilled.
In one embodiment, a first regulating valve is arranged between the flocculation tank 1 and the sedimentation tank 2; a second regulating valve is also arranged between the sedimentation tank 2 and the clean water tank 3. The first regulating valve is an electromagnetic valve, and the second regulating valve is an electromagnetic valve; the controller 6 is electrically connected to the first regulating valve and the second regulating valve. Based on this technical scheme, the switch of realization valve that can be convenient.
In one embodiment, the phosphorus removing agent dosing pump 5 is positioned on one side of the inlet water of the flocculation tank 1; the phosphate analyzer 4 is located on the effluent side of the clean water tank 3. Based on the technical scheme, the treatment time of the phosphorus removal agent can be prolonged, and the accuracy of the effluent data analyzed by the analyzer is ensured.
The utility model discloses in:
the flocculation tank 1 is used for binding fine non-dissolved solids after a flocculating agent and sewage are mixed into a larger floccule;
the sedimentation tank 2 is used for sinking undissolved solid in the sewage, thereby achieving the purpose of solid-liquid separation;
the controller 6 is used for receiving the test result of the online phosphate analyzer 4 and controlling the dosing amount of the phosphorus removing agent dosing pump 5 according to the test result, and can adopt a PID regulator;
the dosing pump is used for adding a phosphorus removing agent;
the online phosphate analyzer 4 is used for feeding back the phosphorus content data in the sewage.
The device has the following working procedures: the sewage enters a flocculation tank 1, a controller 6 sends an adding instruction to a dosing pump according to an online detection result of an online phosphate analyzer 4, a corresponding amount of phosphorus removal agent is added into the flocculation tank 1, fine non-soluble solids are bonded into a larger floccule after a flocculating agent and the sewage are mixed, the sewage after full flocculation enters a sedimentation tank 2, solid-liquid separation is realized, and the phosphorus removal purpose of a discharge standard is achieved.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. A sewage dephosphorization system is characterized in that: including water intake pipe (7), flocculation basin (1), sedimentation tank (2) and clean water basin (3) that communicate the setting in proper order, clean water basin (3) are provided with phosphate analyzer (4), the probe of phosphate analyzer (4) stretches into in the clean water basin (3), flocculation basin (1) is provided with phosphorus removal agent dosing pump (5).
2. The dephosphorizing system for sewage of claim 1, wherein: the phosphate analyzer (4) is an online phosphate analyzer (4); the phosphorus removing agent dosing pump (5) is a numerical control phosphorus removing agent dosing pump (5); the sewage dephosphorization system further comprises a controller (6), wherein the controller (6) is respectively and electrically connected with the phosphate analyzer (4) and the dephosphorization agent dosing pump (5).
3. Dephosphorization system for sewage according to claim 2, wherein: a first regulating valve is arranged between the flocculation tank (1) and the sedimentation tank (2); a second regulating valve is also arranged between the sedimentation tank (2) and the clean water tank (3).
4. Dephosphorization system for sewage according to claim 3, wherein: the first regulating valve is an electromagnetic valve; the second regulating valve is an electromagnetic valve; the controller (6) is also electrically connected with the first regulating valve and the second regulating valve respectively.
5. Dephosphorization system for sewage according to claim 2, wherein: the water inlet pipeline (7) and the flocculation basin (1) are sequentially communicated with each other and provided with a variable frequency pump and a flow transmitter, and the variable frequency pump and the flow transmitter are respectively and electrically connected with the controller.
6. Dephosphorization system for sewage according to anyone of the claims 1 to 5, wherein: the phosphorus removing agent dosing pump (5) is positioned on one side of the flocculation tank (1) close to the inlet water; the phosphate analyzer (4) is positioned on one side of the clean water tank (3) close to the effluent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022433815.2U CN213623615U (en) | 2020-10-28 | 2020-10-28 | Sewage dephosphorization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022433815.2U CN213623615U (en) | 2020-10-28 | 2020-10-28 | Sewage dephosphorization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213623615U true CN213623615U (en) | 2021-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022433815.2U Active CN213623615U (en) | 2020-10-28 | 2020-10-28 | Sewage dephosphorization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213623615U (en) |
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2020
- 2020-10-28 CN CN202022433815.2U patent/CN213623615U/en active Active
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