CN213388253U - Two-stage sewage dephosphorization system - Google Patents
Two-stage sewage dephosphorization system Download PDFInfo
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- CN213388253U CN213388253U CN202022214935.3U CN202022214935U CN213388253U CN 213388253 U CN213388253 U CN 213388253U CN 202022214935 U CN202022214935 U CN 202022214935U CN 213388253 U CN213388253 U CN 213388253U
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- 239000010865 sewage Substances 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 77
- 229910019142 PO4 Inorganic materials 0.000 claims abstract description 52
- 239000010452 phosphate Substances 0.000 claims abstract description 52
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 claims abstract description 49
- 238000004062 sedimentation Methods 0.000 claims abstract description 31
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 66
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 11
- 229910052698 phosphorus Inorganic materials 0.000 claims description 11
- 239000011574 phosphorus Substances 0.000 claims description 11
- BHEPBYXIRTUNPN-UHFFFAOYSA-N hydridophosphorus(.) (triplet) Chemical compound [PH] BHEPBYXIRTUNPN-UHFFFAOYSA-N 0.000 claims description 5
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002351 wastewater Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000010802 sludge Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000000249 desinfective effect Effects 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
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- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
Discloses a two-stage sewage dephosphorization system. Two segmentation sewage dephosphorization systems include: inverted anaerobic-anoxic-aerobic (A)2O) a process tank; a sedimentation tank connected to the inversion A2An outlet of the O process tank; a filter tank connected to an outlet of the sedimentation tank; a flow meter disposed at the inversion A2O, at the inlet of the process tank; phosphate meter disposed at the inversion A2Between the O process tank and the filter tank; a plurality of dosing pumps arranged in the inverted A2Between the O process tank and the filter tank; a controller connected to the flow meter and the phosphate meter to receive a measured influent water flow rate from the flow meter and a measured phosphate concentration from the phosphate meter, and connected to the plurality of dosing pumps to control the plurality of dosing pumps. The utility model discloses an adopt two segmentation sewage dephosphorization systems, improved the control effect of chemical dephosphorization, reduce the cost of dephosphorization agent, realize going out the stable up to standard of water quality of water.
Description
Technical Field
The utility model relates to a two segmentation sewage dephosphorization systems, more specifically say, relate to a two segmentation sewage dephosphorization systems that enough prevents the total phosphorus of water and exceeds standard phenomenon better.
Background
The phosphorus of the sewage plant is mainly derived from phosphorus-containing organic matters, detergents, animal excreta and the like in domestic sewage. As eutrophication of nitrogen and phosphorus substances and the like is becoming more severe, countries put forward higher emission restriction standards for municipal wastewater treatment plants. Most of the currently operated sewage plants operate according to experience, so that the operation is extensive, the efficiency is low, the overall operation standard-reaching stability of the sewage treatment plant is low, and the energy consumption and the material consumption are high, which becomes an important bottleneck for restricting scientific operation management of the sewage treatment plant.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a two segmentation sewage dephosphorization systems of phenomenon that prevent to go out water total phosphorus better.
According to the utility model discloses an embodiment, a two segmentation sewage dephosphorization systems, a serial communication port, two segmentation sewage dephosphorization systems include: inverted anaerobic-anoxic-aerobic A2O, a process pool; a sedimentation tank connected to the inversion A2An outlet of the O process tank; a filter tank connected to an outlet of the sedimentation tank; a flow meter disposed at the inversion A2O process cell inlet for measuring said inverted A2O, the inflow of the process tank; phosphate meter disposed at the inversion A2Between the O process pool and the filter pool for measuring the inversion A2Phosphate concentration at a plurality of measurement points between the O process tank and the filter tank; a plurality of dosing pumps arranged in the inverted A2Between the process tank O and the filter tank, for the inversion A2Applying a dephosphorization agent at a plurality of dosing points between the O process tank and the filter tank; a controller connected to the flow meter and the phosphate meter to receive a measured influent water flow rate from the flow meter and a measured phosphate concentration from the phosphate meter, and connected to the plurality of dosing pumps to control the plurality of dosing pumps.
Optionally, the phosphate meter comprises a multi-channel sampler connected to the plurality of measurement points to measure the phosphate concentration at the plurality of measurement points, respectively.
Optionally, the plurality of measurement points includes a first measurement point and a second measurement point, the first measurement point being disposed at the inversion a2Between O technology pond with the sedimentation tank, the second measuring point sets up the sedimentation tank with between the filtering pond, wherein, the multichannel sample thief is the binary channels sample thief, the binary channels sample thief is connected to first measuring point with the second measuring point, in order to measure respectively invert A2The phosphate concentration between the O process tank and the sedimentation tank and the phosphate concentration between the sedimentation tank and the filter tank.
Optionally, the first measurement point is arranged at the inversion a2And the second measuring point is arranged at the outlet of the sedimentation tank.
Optionally, the plurality of dosing pumps comprises a first dosing pump and a second dosing pump, the first dosing pump being disposed in the inverted a2The second dosing pump is arranged between the sedimentation tank and the filter tank.
Optionally, the first dosing pump is arranged at an inlet of the sedimentation tank, and the second dosing pump is arranged at an inlet of the filter tank.
Optionally, the controller comprises: a feed forward output module connected to the flow meter and the phosphate meter to receive the measured influent water flow rate from the flow meter and the measured phosphate concentration at a first set of the plurality of measurement points from the phosphate meter and to output a first dosing amount control signal to a first set of the plurality of dosing pumps; a feedback output module connected to the phosphate meter to receive measured phosphate concentrations at a second set of measurement points of the plurality of measurement points from the phosphate meter and output a second dosing amount control signal to a second set of dosing pumps of the plurality of dosing pumps.
OptionallyThe first group of measuring points and the first group of dosing pumps are arranged in the inverted A2And the second group of measuring points and the second group of dosing pumps are arranged between the sedimentation tank and the filter tank.
Optionally, the first set of measurement points is disposed before the first set of dosing pumps and the second set of measurement points is disposed before the second set of dosing pumps.
Optionally, the two-stage sewage dephosphorization system further comprises: a dosing reservoir connected to the plurality of dosing pumps.
The utility model discloses an adopt two segmentation sewage dephosphorization systems, improved the control effect of chemical dephosphorization, reduce the cost of dephosphorization agent, realize going out the stable up to standard of water quality of water.
Drawings
The above and/or other aspects of the present disclosure will become apparent and more readily appreciated from the following detailed description, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a block diagram of a two-stage sewage dephosphorization system according to an embodiment of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Fig. 1 is a block diagram of a two-stage sewage dephosphorization system 100 according to an embodiment of the present invention.
Referring to fig. 1, a two-stage sewage dephosphorization system 100 includes: inverted anaerobic-anoxic-aerobic (hereinafter, abbreviated as a)2O) a process tank 110, a sedimentation tank 120, a filter 130, a flow meter 140, a phosphate meter 150, a plurality of dosing pumps 160, and a controller 170.
Inversion A2The O process tank 110 may be used to invert the wastewater A2And (4) O process treatment.
A2The O process is called anaerobic-anoxic-aerobic activated sludge process (anaerobic-anoxic-aerobic activated sludge process), and the process makes sewage pass through anaerobic pool (zone), anoxic pool (zone) and aerobic pool (zone) in turn and makes sludge reflux to remove organic pollutant, nitrogen, phosphorus and the like in waterAnd (4) processing the method. Inversion A2The O process is the process A2O Process (i.e., conventional A)2O Process) inverted A2O Process and conventional A2The difference of the O process is that: inversion A2The O process exchanges the positions of the anaerobic tank and the anoxic tank (i.e., sewage passes through the anoxic tank, the anaerobic tank, and the aerobic tank in sequence). With conventional A2O process phase, inversion A2The O process has the characteristics of simpler process flow, more convenient operation management and smaller site area. In addition, due to the inversion A2The O process is closer to the traditional process, so the method has popularization advantage in the aspect of old plant transformation.
As described above, due to the inversion A2The O process passes the wastewater through the anoxic tank, the anaerobic tank, and the aerobic tank in this order, and thus, although FIG. 1 shows only the inversion A2 O Process cell 110, but those skilled in the art will appreciate that the illustrated inversion A2The O process cell 110 may actually include a tank for performing the inversion A2Multiple tanks (e.g., anoxic, anaerobic, and aerobic tanks) of an O process.
The settling tank (also called secondary settling tank) 120 may be connected to the inversion a2O outlet of the process tank 110 and can be used for settling from the inverted A2Sludge in the effluent of the O-process tank 110.
The filter 130 may be connected to an outlet of the sedimentation tank 120 and may be used to filter suspended matter in the effluent from the sedimentation tank 120.
The flow meter 140 may be arranged in an inverted position a2 O Process cell 110 entrance, and can be used to measure inverted A2The influent flow to the O process tank 110.
In one particular example, a flow meter well may be provided at the location of the flow meter 140 of fig. 1. In this particular example, the wastewater flows through a pipe into a flow meter well whose outlet is connected to the inversion a through a pipe2The inlets of the O process cells 110 are connected. The flow meter 140 is disposed in the flow meter well so that the flow rate of the flow meter well can be conveniently and accurately monitored.
The phosphate meter 150 may be placed in inverted position A2Between the O process tank 110 and the filter 130,and can be used to measure inversion A2Phosphate concentration at various measurement points between the O process tank 110 and the filter 130.
In one example, measurement of phosphate concentration at multiple measurement points may be achieved by a multi-channel sampler. In this example, the phosphate meter 150 may include a multi-channel sampler 155, and the multi-channel sampler 155 may be connected to a plurality of measurement points to measure the phosphate concentration at the plurality of measurement points, respectively.
The plurality of measurement points may include a first measurement point and a second measurement point. In a specific example in which the plurality of measurement points include a first measurement point and a second measurement point, the first measurement point may be disposed in an inversion a2Between the O process tank 110 and the settling tank 120, a second measurement point may be provided between the settling tank 120 and the filter 130. For example, in one particular example, the first measurement point may be disposed at an inversion a2At the outlet of the O-process tank 110, a second measurement point may be provided at the outlet of the settling tank 120.
Further, in a specific example where the plurality of measurement points includes a first measurement point and a second measurement point, the multi-channel sampler 155 may be a dual-channel sampler. The two-channel sampler can be connected to the first measuring point and the second measuring point to measure inversion A respectively2The phosphate concentration between the O process tank 110 and the settling tank 120 and the phosphate concentration between the settling tank 120 and the filter 130.
Although fig. 1 shows a specific example in which the plurality of measurement points includes the first measurement point and the second measurement point, the present disclosure is not limited thereto, and the plurality of measurement points may include two or more measurement points. For example, one or more first measurement points may be disposed in an inversion a2Between the O process tank 110 and the settling tank 120, one or more second measurement points may be provided between the settling tank 120 and the filter 130. Furthermore, although FIG. 1 shows the first measurement point disposed in the inverse A2The outlet of the O-process tank 110 and the second measurement point is disposed at the outlet of the settling tank 120, but the present disclosure is not limited thereto, and the first measurement point may be disposed at the inversion a2A second measuring point may be provided between the settling tank 120 and the filter 130 and at any position between the O process tank 110 and the settling tank 120 and before the dosing pointAt any position prior to the dosing point.
Multiple dosing pumps 160 may be provided in an inverted A2Between the process tank 110 and the filter 130, and can be used in the inverted A2Phosphorus removal drugs are applied at multiple dosing points between the O process tank 110 and the filter 130.
The plurality of dosing pumps 160 may include a first dosing pump and a second dosing pump. In the specific example where the plurality of dosing pumps 160 comprises a first dosing pump and a second dosing pump, the first dosing pump may be disposed in an inverted position a2Between the O process tank 110 and the settling tank 120, a second dosing pump may be provided between the settling tank 120 and the filter 130. In one particular example, a first dosing pump may be provided at the inlet of the sedimentation tank 120 and a second dosing pump may be provided at the inlet of the filter 130.
Although fig. 1 shows a specific example in which the plurality of dosing pumps 160 includes a first dosing pump and a second dosing pump, the present disclosure is not limited thereto, and the plurality of dosing pumps 160 may include two or more dosing pumps. For example, one or more first dosing pumps may be disposed in an inverted A2Between the O process tank 110 and the settling tank 120, one or more second dosing pumps may be provided between the settling tank 120 and the filter 130. Further, although fig. 1 shows that the first dosing pump is disposed at the inlet of the settling tank 120 and the second dosing pump is disposed at the inlet of the filtering tank 130, the present disclosure is not limited thereto, and the first dosing pump may be disposed at the inversion a2Between the O process tank 110 and the settling tank 120 and at any location after the measurement point, a second dosing pump may be provided between the settling tank 120 and the filter 130 and at any location after the measurement point.
In one example, the controller 170 may include a feed-forward output module 172 and a feedback output module 174.
The feed forward output module 172 may be connected to the flow meter 140 and the phosphate meter 150 to receive the measured influent water flow from the flow meter 140 and the measured phosphate concentration at a first set of the plurality of measurement points from the phosphate meter 150, and may output a first dosing control signal to a first set of the plurality of dosing pumps 160. Here, the first set of measurement points may be arranged in an inverse A2At one or more measurement points between the process tank 110 and the settling tank 120, the first set of dosing pumps may be disposed in an inverted A2One or more dosing pumps 160 between the process tank 110 and the settling tank 120, the first set of measurement points may be located before the first set of dosing pumps.
The feedback output module 174 may be connected to the phosphate meter 150 to receive the measured phosphate concentration at a second set of measurement points from the phosphate meter 150 and may output a second dosing amount control signal to a second set of dosing pumps from the plurality of dosing pumps. Here, the second set of measurement points may be one or more measurement points disposed between the sedimentation tank 120 and the filter 130, the second set of dosing pumps may be one or more dosing pumps 160 disposed between the sedimentation tank 120 and the filter 130, and the second set of measurement points may be disposed before the second set of dosing pumps.
Further, in one example, feed-forward output module 172 and feedback output module 174 may communicate with each other to flexibly control multiple dosing pumps 160 based on data results. Furthermore, this function may also be performed by other intermediate elements.
The three functional tanks (i.e., A) in the two-stage wastewater dephosphorization system 100 are described above2 O process tank 110, settling tank 120, filter 130), however, the disclosure is not limited thereto and two-stage wastewater phosphorous removal system 100 may also include a process tank other than a2The O process tank 110, the sedimentation tank 120 and other functional tanks besides the filter 130. For example, in A2Before the O process tank 110, a device for leading sewage to be processed in A can be arranged2A primary sedimentation tank for sedimentation before the O process; a disinfection tank for disinfecting the outlet water of the filter 130 can be arranged behind the filter 130; at the plurality of dosing pumps 160, a connection may be providedAnd the dosing tank is connected to the dosing pumps 160 and can supply the phosphorus removal medicines to the dosing pumps 160 according to the control signals.
According to an embodiment of the present invention, the communication between the flow meter 140, the phosphate meter 150, the dosing pumps 160 and the controller 170 may be performed in a wired manner or a wireless manner, which is not specifically limited by the present application.
Furthermore, in the present invention, since the controller 170 respectively controls the first and second dosing pumps set at different positions of the plurality of dosing pumps 160 independently, the control method of the present invention can be referred to as a sectional control method (e.g., two-stage control method), and the sewage phosphorous removal system can be referred to as a sectional sewage phosphorous removal system (e.g., two-stage sewage phosphorous removal system).
The utility model discloses an adopt two segmentation sewage dephosphorization systems, improved the control effect of chemical dephosphorization, reduce the cost of dephosphorization agent, realize going out the stable up to standard of water quality of water.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, 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 as defined by the appended claims.
Claims (10)
1. The two-stage sewage dephosphorization system is characterized by comprising:
inverted anaerobic-anoxic-aerobic A2O, a process pool;
a sedimentation tank connected to the inversion A2An outlet of the O process tank;
a filter tank connected to an outlet of the sedimentation tank;
a flow meter disposed at the inversion A2O process cell inlet for measuring said inverted A2O, the inflow of the process tank;
phosphate meter disposed at the inversion A2Between the O process pool and the filter pool for measuring the inversion A2Phosphate concentration at a plurality of measurement points between the O process tank and the filter tank;
a plurality of dosing pumps arranged in the inverted A2Between the process tank O and the filter tank, for the inversion A2Applying a dephosphorization agent at a plurality of dosing points between the O process tank and the filter tank;
a controller connected to the flow meter and the phosphate meter to receive a measured influent water flow rate from the flow meter and a measured phosphate concentration from the phosphate meter, and connected to the plurality of dosing pumps to control the plurality of dosing pumps.
2. The two-stage sewage dephosphorization system of claim 1, wherein the phosphate meter comprises a multi-channel sampler connected to the plurality of measurement points to measure the phosphate concentration at the plurality of measurement points, respectively.
3. The two-stage sewage dephosphorization system of claim 2, wherein the plurality of measurement points comprises a first measurement point and a second measurement point, the first measurement point being disposed at the inversion a2Between the O process tank and the sedimentation tank, the second measuring point is arranged between the sedimentation tank and the filter tank,
wherein the multi-channel sampler is a two-channel sampler connected to the first and second measurement points to measure the inversion A, respectively2The phosphate concentration between the O process tank and the sedimentation tank and the phosphate concentration between the sedimentation tank and the filter tank.
4. The two-stage sewage dephosphorization system of claim 3, wherein the first measurement point is disposed at the inverted A2And the second measuring point is arranged at the outlet of the sedimentation tank.
5. The two-stage sewage dephosphorization system according to claim 1, which is characterized in thatCharacterized in that the plurality of dosing pumps comprise a first dosing pump and a second dosing pump, the first dosing pump being arranged in the inverted A2The second dosing pump is arranged between the sedimentation tank and the filter tank.
6. The two-stage sewage dephosphorization system according to claim 5, wherein the first dosing pump is disposed at an inlet of the sedimentation tank, and the second dosing pump is disposed at an inlet of the filter tank.
7. The two-stage sewage phosphorus removal system of claim 1, wherein the controller comprises:
a feed forward output module connected to the flow meter and the phosphate meter to receive the measured influent water flow rate from the flow meter and the measured phosphate concentration at a first set of the plurality of measurement points from the phosphate meter and to output a first dosing amount control signal to a first set of the plurality of dosing pumps;
a feedback output module connected to the phosphate meter to receive measured phosphate concentrations at a second set of measurement points of the plurality of measurement points from the phosphate meter and output a second dosing amount control signal to a second set of dosing pumps of the plurality of dosing pumps.
8. The two-stage sewage dephosphorization system of claim 7, wherein the first set of measurement points and the first set of dosing pumps are disposed in the inverted A2And the second group of measuring points and the second group of dosing pumps are arranged between the sedimentation tank and the filter tank.
9. The two-stage sewage phosphorous removal system of claim 8, wherein the first set of measurement points is disposed before the first set of dosing pumps and the second set of measurement points is disposed before the second set of dosing pumps.
10. The two-stage sewage phosphorus removal system of claim 1, wherein the two-stage sewage phosphorus removal system further comprises:
a dosing reservoir connected to the plurality of dosing pumps.
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| CN202022214935.3U CN213388253U (en) | 2020-09-30 | 2020-09-30 | Two-stage sewage dephosphorization system |
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| CN202022214935.3U CN213388253U (en) | 2020-09-30 | 2020-09-30 | Two-stage sewage dephosphorization system |
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| CN213388253U true CN213388253U (en) | 2021-06-08 |
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Effective date of registration: 20240412 Address after: Room 103, No. 780, Tanghekou Street, Tanghekou Town, Huairou District, Beijing Patentee after: DASMART ENVIRONMENTAL TECHNOLOGIES (BEIJING) Co.,Ltd. Country or region after: China Address before: 100176 room 218, building 4, No.8, boxing 1st Road, Beijing Economic and Technological Development Zone, Daxing District, Beijing Patentee before: JINFENG ENVIRONMENTAL PROTECTION CO.,LTD. Country or region before: China |