CN117819724A - River channel purifying system for dephosphorization and denitrification - Google Patents
River channel purifying system for dephosphorization and denitrification Download PDFInfo
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- CN117819724A CN117819724A CN202410144254.4A CN202410144254A CN117819724A CN 117819724 A CN117819724 A CN 117819724A CN 202410144254 A CN202410144254 A CN 202410144254A CN 117819724 A CN117819724 A CN 117819724A
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- water
- river channel
- river
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- water flow
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 218
- 238000000746 purification Methods 0.000 claims abstract description 51
- 239000010865 sewage Substances 0.000 claims abstract description 48
- 238000005086 pumping Methods 0.000 claims abstract description 27
- 239000012535 impurity Substances 0.000 claims description 20
- 230000000903 blocking effect Effects 0.000 claims description 16
- 238000001514 detection method Methods 0.000 claims description 11
- 238000004062 sedimentation Methods 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 66
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 abstract description 39
- 229910052698 phosphorus Inorganic materials 0.000 abstract description 39
- 239000011574 phosphorus Substances 0.000 abstract description 39
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 33
- 239000007788 liquid Substances 0.000 abstract description 8
- 241000894006 Bacteria Species 0.000 abstract description 4
- 239000006185 dispersion Substances 0.000 abstract description 4
- 238000006396 nitration reaction Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000010992 reflux Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 239000002351 wastewater Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- 241000238557 Decapoda Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012851 eutrophication Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000053 physical method Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000003053 toxin Substances 0.000 description 1
- 231100000765 toxin Toxicity 0.000 description 1
- 108700012359 toxins Proteins 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/70—Regenerating the filter material in the filter by forces created by movement of the filter element
- B01D29/72—Regenerating the filter material in the filter by forces created by movement of the filter element involving vibrations
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/105—Phosphorus compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention belongs to the technical field of sewage purification, in particular to a river channel purification system for dephosphorization and denitrification, which comprises a door-shaped beam frame, a transverse frame, a water quality detector, a biological treatment box, a stuffing box and a settling box; detecting the nitrogen and phosphorus content in river water flow by using a water quality detector; when the nitrogen and phosphorus content in the river water flow exceeds a set value, the water pumping structure conveys the water flow into the biological treatment tank, the water flow firstly enters the anaerobic tank to carry out mixed reaction with high-density strains represented by phosphorus accumulating bacteria in the anaerobic tank, the effluent of the anaerobic tank sequentially passes through the anoxic tank and the aerobic tank, the water flow enters the stuffing box to carry out nitration reaction, part of mixed liquid reflux pipeline flows back to the anoxic tank, and the other part of mixed liquid flows from the stuffing box to enter the settling tank to carry out mud-water separation, and the separated water flows back to the river through the water outlet pipe; thereby realizing the dephosphorization and denitrification purification work of the river channel and being convenient for carrying out purification treatment on the river channel with smaller distribution and dispersion and flow.
Description
Technical Field
The invention belongs to the technical field of sewage purification, and particularly relates to a river channel purification system for dephosphorization and denitrification.
Background
River is one of the most important water resources worldwide, and the quality of the river directly influences the ecological environment quality of related areas; along with the continuous acceleration of the urban process, the water quality of a plurality of river channels is continuously polluted due to industrial pollution, urban construction and the like, and the polluted water body is mainly increased in nitrogen and phosphorus elements to cause eutrophication of the water body, so that the water body is anoxic after a great deal of algae and the like are propagated to generate toxins, and further the death of aquatic organisms such as fish, shrimp and the like is caused; at the same time, odor can be generated; therefore, in the river course renovation process, the denitrification and dephosphorization treatment is needed to be carried out on the river water, thereby improving the river water quality and the ecological environment quality.
The method for denitrification and dephosphorization mainly comprises the following steps: (1) The biological method utilizes microorganisms to convert nitrogen and phosphorus in the wastewater into organic matters or inorganic matters in the microorganisms, thereby achieving the purpose of removing ammonia and phosphorus; (2) The chemical method converts nitrogen and phosphorus in the wastewater into harmless compounds by utilizing chemical reaction, thereby achieving the purpose of removing the nitrogen and the phosphorus; (3) The physical method utilizes the physical principle to remove nitrogen and phosphorus in the wastewater, thereby achieving the purpose of removing ammonia and phosphorus; (4) By combining the methods, nitrogen and phosphorus in the wastewater are removed, so that the wastewater treatment efficiency can be improved, and the treatment cost can be reduced.
Most of the existing sewage treatment modes are used for constructing sewage treatment plants, however, due to the fact that urban population density is high, river channel distribution is relatively dispersed, and water flow of the river channels is small, the sewage treatment plants are inconvenient to construct to carry out purification treatment on urban small rivers.
Therefore, the invention provides a river channel purifying system for dephosphorization and denitrification.
Disclosure of Invention
In order to overcome the deficiencies of the prior art, at least one technical problem presented in the background art is solved.
The technical scheme adopted for solving the technical problems is as follows: the invention relates to a river channel purifying system for dephosphorization and denitrification, which comprises a gate-type beam frame; the support columns on two sides of the gate-type beam frame are respectively arranged on two sides of the river channel, and the cross beam of the gate-type beam frame crosses the river channel; a cross frame is fixedly connected to the middle part of one side of the gate-shaped beam frame, which is close to the river channel water flow direction; a water quality detector is arranged on the top surface of one end of the transverse frame far away from the door-shaped beam frame, and a detection head of the water quality detector extends into river water flow; a purifying unit is arranged on one side of the door-shaped beam frame and is arranged on the bank side of the river channel; the purification unit comprises a base; the base is arranged on the bank of the river channel; the top surface of the base is provided with a biological treatment box, a stuffing box and a precipitation box in sequence; the biological treatment box, the stuffing box and the precipitation box are connected in series through pipelines in sequence; an anaerobic tank, an anoxic tank and an aerobic tank are sequentially arranged in the biological treatment tank; the stuffing box is communicated with the biological treatment box through a return pipe; the bottom of the sedimentation tank is provided with a sludge outlet, and the side surface of the sedimentation tank is communicated with a river channel through a pipeline; the middle part of the transverse frame is provided with a water pumping structure which is communicated with the biological treatment box; detecting the nitrogen and phosphorus content in river water flow by using a water quality detector; when the nitrogen and phosphorus content in the river water flow exceeds a set value, the purification unit starts to work for purification treatment, the water flow is conveyed into the biological treatment tank by the water pumping structure, the water flow firstly enters the anaerobic tank and is mixed with high-density strains represented by phosphorus accumulating bacteria in the anaerobic tank, the effluent of the anaerobic tank sequentially passes through the anoxic tank and the aerobic tank, the water flow enters the stuffing box for nitration reaction, part of mixed liquid flows back to the anoxic tank through a return pipeline, the other part of mixed liquid flows into the settling tank from the effluent of the stuffing box for mud-water separation, and the separated water flows back to the river through the water outlet pipe; thereby realizing the dephosphorization and denitrification purification work of the river channel and being convenient for carrying out purification treatment on the river channel with smaller distribution and dispersion and flow.
Preferably, the pumping structure comprises a sewage pump; a sewage pump is fixedly connected to the top surface of the middle part of the transverse frame; the middle part of the transverse frame is fixedly connected with a water pumping pipe; the bottom end of the water pumping pipe extends into the water flow of the river; the bottom end of the water suction pipe is provided with a filter head; the top end of the water pumping pipe is communicated with the water inlet of the sewage pump; the water outlet of the sewage pump is communicated with the water inlet of the biological treatment tank through a pipeline; providing stable sewage to be purified for the purifying unit; various larger sundry garbage in river water flow is blocked and filtered through the filter head, the probability of blockage faults of the sewage pump and the water pumping pipe is reduced, and meanwhile, the effect of affecting dephosphorization and denitrification in the process that the larger sundry garbage enters the purification unit is reduced.
Preferably, a impurity removing structure is arranged between the water suction pipe and the biological treatment box; the impurity removing structure comprises a shell; the top surface of the shell is provided with a filter plate; a plurality of filter holes are uniformly formed in the filter plate; the top of one end of the shell, which is close to the sewage pump, is communicated with the sewage pump through a pipeline; the bottom of one end of the shell, which is close to the biological treatment box, is communicated with the biological treatment box through a pipeline; the content of solid impurities in the water flow flowing to the biological treatment box is further reduced, the probability of failure of the purification unit is reduced, and the dephosphorization and denitrification effects of the purification unit are improved.
Preferably, a plurality of inserts are uniformly fixedly connected on two sides of the shell; the top surface of the insert is fixedly connected with the bottom surface of the filter plate through a spring.
Preferably, a plurality of vertical rods are uniformly fixedly connected to two sides of the bottom surface of the filter plate; the bottoms of the upright posts on the two sides are bolted with mounting cross bars; a plurality of clamping grooves are uniformly formed in the top surface of the middle part of the mounting cross rod; a corrugated elastic guide sheet is clamped in the clamping groove of the mounting cross rod; one end of the elastic guide piece, which is close to the sewage pump, is in an arrow shape, and the other end of the elastic guide piece is in a corrugated shape; and convex strips are fixedly connected to two sides of the top surface of the filter plate.
Preferably, a blocking shell is fixedly connected to the top surface of one end, close to the sewage pump, of the shell; an outlet is formed in the bottom of one surface, close to the middle of the shell, of the blocking shell; the middle part of one surface of the blocking shell, which is close to the sewage pump, is communicated with the sewage pump through a pipeline; the water flow is blocked by the blocking shell, so that the situation that the water flow collides with the filter plate to splash is avoided.
Preferably, a shunt unit is arranged in the middle of the door-shaped beam frame; the shunt unit comprises a rotating rod; a pair of rotating rods are rotatably arranged in the middle of the door-shaped beam frame; the outer ring of the rotating rod is fixedly connected with a gear; the gears on the two sides are meshed with each other; the motor is fixedly connected to the top surface of the middle part of the door-shaped beam frame; the rotating shaft of the motor is fixedly connected with a rotating rod; the bottom end of the rotating rod is connected with a plurality of connecting rods in series in a bolting way; an arc plate is fixedly connected to one side of the connecting rod, which is close to the transverse frame; the adjacent arc plates on the same side are fixedly connected through bolts; when the nitrogen and phosphorus content in the river water flow is low, the nitrogen and phosphorus content in the river water flow can be controlled, and the power consumption of the purification unit is reduced; when the nitrogen and phosphorus content in the river water flow is higher, the nitrogen and phosphorus content in the river water flow can be effectively reduced.
Preferably, a plurality of water through tanks are uniformly arranged in the middle of the arc-shaped plate; a plurality of baffles are uniformly hinged to one surface of the arc-shaped plate, which is close to the transverse frame; the baffle corresponds to the water through groove; the hinge part of the baffle plate is provided with a torsion spring, and the baffle plate can cover and block the water channel.
Preferably, a plurality of sharp cone-shaped baffle seats are connected with the bottom surface of one end of the cross frame far away from the door-shaped beam frame in series in a bolting way; thereby avoiding the gap between the arc plates at the two sides of the river water flow from being directly impacted, and then reducing the probability that the arc plates at the two sides are impacted by the river water flow to rotate and spread.
Preferably, the two surfaces of the baffle seat far away from the tip end of the door-shaped beam frame are provided with mounting grooves; a clamping plate is arranged in the mounting groove; the clamping plates on the two sides are fixedly connected through the mounting groove by bolts; the detection head of the water quality detector is clamped between the clamping plates at two sides; thereby avoiding the condition that the detection head of the water quality detector is disturbed by the impact of water flow and improving the safety of the water quality detector.
The beneficial effects of the invention are as follows:
1. the invention relates to a river channel purifying system for dephosphorization and denitrification, which comprises a shell, a filter plate, springs, an installation cross rod and an elastic guide piece, wherein the filter plate is arranged on the shell; the sewage pump conveys the pumped water flow to the shell, the water flow falls onto the filter plate, the water flow can impact the filter plate, so that the filter plate generates downward force, the spring is pushed to compress and vibrate, the filter plate is driven to vibrate, the water flow passes through the filter plate to filter smaller solid impurities in the water flow, the filtered water flow falls to the bottom of the shell and flows into the biological treatment tank, when the water flow passes through the elastic guide piece on the mounting cross rod, the elastic guide piece is pushed to shake, and the vibration frequency and the vibration amplitude of the filter plate are increased through the transmission of the mounting cross rod and the upright rod; moreover, through the convex strips at the two sides of the filter plate, the probability that water flows out of the shell from the two sides of the filter plate is reduced; the filter plate is vibrated vigorously, so that solid impurities on the top surface of the filter plate can jump and move, and the solid impurities are separated from the filter plate to two sides; thereby further reducing the content of solid impurities in the water flow flowing to the biological treatment box, further reducing the probability of failure of the purification unit and improving the dephosphorization and denitrification effects of the purification unit.
2. The invention relates to a river channel purifying system for dephosphorization and denitrification, which comprises a rotating rod, a gear, a motor, a connecting rod, an arc-shaped plate, a water channel and a baffle plate; when the nitrogen and phosphorus content in the river water flow is low, the water flow of the whole river is not required to be purified, and only the control is required, at this time, the arc plates at the two sides are in the condition of being close to each other, the arc plates at the two sides form an ellipse shape and are positioned at the center of the river, so that the influence on the water flow of the river is greatly reduced; when river water flows through the arc plates at the two sides, the water flow pushes the baffle to rotate, so that the water passing groove is opened, part of water flows enter between the arc plates at the two sides through the water passing groove, part of water flows can be conveyed into the purifying unit by the water pumping structure for purifying treatment, the nitrogen and phosphorus content in the river water flow can be controlled, and the power consumption of the purifying unit is reduced; when the nitrogen and phosphorus content in the river water flow is high, the water flow of the whole river is required to be purified, at the moment, the motor drives the two gears to be meshed and driven, so that the connecting rods and the arc plates at the two sides rotate and turn away in opposite directions, the arc plates at the two sides are respectively contacted with the two sides of the river, meanwhile, the baffle is firmly pressed on the arc plates due to the impact of the river water flow on the arc concave surfaces of the arc plates, the water channel is blocked and sealed, the river is cut off, at the moment, the water pumping structure is used for conveying the intercepted water flow into the purifying unit for purifying, and the purifying unit is used for purifying at the same time; thereby effectively reducing the nitrogen and phosphorus content in the river water flow.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a perspective view of the impurity removing structure of the present invention;
FIG. 3 is a cross-sectional view of the impurity removal structure of the present invention;
FIG. 4 is a cross-sectional view of a barrier shell of the present invention;
FIG. 5 is a perspective view of the mounting rail and spring guide of the present invention;
FIG. 6 is a perspective view of the diverter unit of the present invention when closed;
FIG. 7 is a perspective view of the branching unit of the present invention when it is opened;
FIG. 8 is an exploded view of the branching unit of the present invention;
FIG. 9 is a cross-sectional view of an arcuate plate of the present invention;
FIG. 10 is a perspective view of a shoe and cleat of the present invention;
in the figure: 1. a door-type beam frame; 2. a cross frame; 3. a water quality detector; 4. a base; 5. a biological treatment tank; 6. a stuffing box; 7. a sedimentation tank; 8. a sewage pump; 9. a water pumping pipe; 10. a housing; 11. a filter plate; 12. an insert; 13. a spring; 14. a vertical rod; 15. mounting a cross bar; 16. an elastic guide piece; 17. a barrier shell; 18. a rotating rod; 19. a gear; 20. a motor; 21. a connecting rod; 22. an arc-shaped plate; 23. a water passage groove; 24. a baffle; 25. a blocking seat; 26. a mounting groove; 27. and (3) clamping plates.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in FIG. 1, the river channel purifying system for dephosphorization and denitrification in the embodiment of the invention comprises a gate-type beam frame 1; the support columns at two sides of the door-shaped beam frame 1 are respectively arranged at two sides of a river channel, and the cross beams of the door-shaped beam frame 1 cross the river channel; the middle part of one side of the gate-shaped beam frame 1, which is close to the river channel water flow direction, is fixedly connected with a transverse frame 2; the top surface of one end of the transverse frame 2 far away from the door-shaped beam frame 1 is provided with a water quality detector 3, and the detection head of the water quality detector 3 extends into river water flow; a purifying unit is arranged on one side of the door-shaped beam frame 1 and is arranged on the bank side of the river channel; the purification unit comprises a base 4; the base 4 is arranged on the bank of the river channel; the top surface of the base 4 is provided with a biological treatment box 5, a stuffing box 6 and a precipitation box 7 in sequence; the biological treatment box 5, the stuffing box 6 and the precipitation box 7 are connected in series through pipelines in sequence; an anaerobic tank, an anoxic tank and an aerobic tank are sequentially arranged in the biological treatment tank 5; the stuffing box 6 is communicated with the biological treatment box 5 through a return pipe; the bottom of the sedimentation tank 7 is provided with a sludge outlet, and the side surface of the sedimentation tank 7 is communicated with a river channel through a pipeline; the middle part of the transverse frame 2 is provided with a water pumping structure which is communicated with the biological treatment box 5; because urban residents have large population density, the river channel distribution is scattered, the water flow is small, and the nitrogen and phosphorus content in the river channel passing through the resident concentration area is far higher than that in the river channel far away from the resident concentration area, not all river channels need to be purified, and furthermore, the construction of a centralized sewage treatment plant is inconvenient for the purification treatment work; when the purification treatment of dephosphorization and denitrification is needed to be carried out on the river channel, the gate-type beam frame 1 is erected on the river channel, the transverse frame 2 is installed on one side, close to the water flow direction, of the gate-type beam frame 1, the water quality detector 3 is installed on the transverse frame 2, so that the detection head of the water quality detector 3 stretches into the water flow of the river channel, and the nitrogen and phosphorus content in the water flow of the river channel is detected by the water quality detector 3; when the nitrogen and phosphorus content in the river water flow exceeds a set value, the purification unit starts to work for purification treatment, the water flow is conveyed into the biological treatment tank 5 by the water pumping structure, the water flow firstly enters the anaerobic tank and is mixed with high-density strains represented by phosphorus accumulating bacteria in the anaerobic tank, the effluent of the anaerobic tank sequentially passes through the anoxic tank and the aerobic tank, the water flow enters the stuffing box 6 for nitration reaction, part of mixed liquid flows back to the anoxic tank through a return pipeline, the other part of mixed liquid flows out of the stuffing box 6 and enters the settling tank 7 for mud-water separation, and the separated water flows back to the river through a water outlet pipe; thereby realizing the dephosphorization and denitrification purification work of the river channel and being convenient for carrying out purification treatment on the river channel with smaller distribution and dispersion and flow.
As shown in fig. 1, 6 and 7, the pumping structure includes a sewage pump 8; the top surface of the middle part of the transverse frame 2 is fixedly connected with a sewage pump 8; the middle part of the transverse frame 2 is fixedly connected with a water pumping pipe 9; the bottom end of the water pumping pipe 9 stretches into the water flow of the river; the bottom end of the water suction pipe 9 is provided with a filter head; the top end of the water pumping pipe 9 is communicated with the water inlet of the sewage pump 8; the water outlet of the sewage pump 8 is communicated with the water inlet of the biological treatment tank 5 through a pipeline; when the sewage treatment device works, the sewage pump 8 pumps out water flow in a river channel through the water pumping pipe 9 and conveys the water flow into the biological treatment box 5, so as to provide stable sewage to be purified for the purification unit; various larger sundry garbage in the river water flow is blocked and filtered through the filter head, the probability of blocking faults of the sewage pump 8 and the water pumping pipe 9 is reduced, and meanwhile, the effect that the larger sundry garbage enters the purifying unit to affect dephosphorization and denitrification is reduced.
As shown in fig. 1 to 5, a impurity removing structure is arranged between the water pumping pipe 9 and the biological treatment tank 5; the impurity removing structure comprises a shell 10; the top surface of the shell 10 is provided with a filter plate 11; a plurality of filter holes are uniformly formed in the filter plate 11; the top of one end of the shell 10, which is close to the sewage pump 8, is communicated with the sewage pump 8 through a pipeline; the bottom of one end of the shell 10, which is close to the biological treatment tank 5, is communicated with the biological treatment tank 5 through a pipeline; a plurality of inserts 12 are uniformly fixedly connected to two sides of the shell 10; the top surface of the insert 12 and the bottom surface of the filter plate 11 are fixedly connected with springs 13; a plurality of vertical rods 14 are uniformly fixedly connected to two sides of the bottom surface of the filter plate 11; the bottoms of the upright rods 14 on both sides are bolted with a mounting cross rod 15; a plurality of clamping grooves are uniformly formed in the top surface of the middle of the mounting cross rod 15; a corrugated elastic guide piece 16 is clamped in the clamping groove of the mounting cross rod 15; one end of the elastic guide piece 16 close to the sewage pump 8 is in an arrow shape, and the other end of the elastic guide piece 16 is in a corrugated shape; the two sides of the top surface of the filter plate 11 are fixedly connected with convex strips; during operation, the sewage pump 8 conveys the pumped water flow to the shell 10, the water flow falls onto the filter plate 11, the water flow can impact the filter plate 11, so that the filter plate 11 generates downward force, the spring 13 is pushed to vibrate in a compression mode, the filter plate 11 is driven to vibrate, the water flow passes through the filter plate 11 to filter smaller solid impurities in the water flow on the filter plate 11, the filtered water flow falls to the bottom of the shell 10 and flows into the biological treatment tank 5, and when the water flow passes through the elastic guide piece 16 on the mounting cross rod 15, the elastic guide piece 16 is pushed to shake, and the vibration frequency and the vibration amplitude of the filter plate 11 are increased through the transmission of the mounting cross rod 15 and the upright rod 14; moreover, the probability of water flowing out of the shell 10 from the two sides of the filter plate 11 is reduced by the convex strips at the two sides of the filter plate 11; the violent vibration of the filter plate 11 causes the solid impurities on the top surface of the filter plate 11 to jump and move, so that the solid impurities are separated from the filter plate 11 to two sides; thereby further reducing the content of solid impurities in the water flow flowing to the biological treatment tank 5, and further reducing the probability of failure of the purifying unit and improving the dephosphorization and denitrification effects of the purifying unit.
As shown in fig. 1 to 4, a blocking shell 17 is fixedly connected to the top surface of one end of the shell 10, which is close to the sewage pump 8; an outlet is formed in the bottom of one surface, close to the middle of the shell 10, of the blocking shell 17; the middle part of one surface of the blocking shell 17 close to the sewage pump 8 is communicated with the sewage pump 8 through a pipeline; when the sewage pump 8 is in operation, the pumped water flow enters the blocking shell 17 when being conveyed to the upper part of the shell 10, and is blocked by the blocking shell 17, so that the situation that the water flow collides with the filter plate 11 to splash is avoided.
As shown in fig. 1, 6 to 9, a shunt unit is arranged in the middle of the door-shaped beam frame 1; the diverting unit comprises a rotating bar 18; a pair of rotating rods 18 are rotatably arranged in the middle of the door-shaped beam frame 1; the outer ring of the rotating rod 18 is fixedly connected with a gear 19; the gears 19 on the two sides are meshed; the motor 20 is fixedly connected to the top surface of the middle part of the door-shaped beam frame 1; the rotating shaft of the motor 20 is fixedly connected with a rotating rod 18; the bottom end of the rotating rod 18 is connected with a plurality of connecting rods 21 in series in a bolting way; an arc-shaped plate 22 is fixedly connected to one side of the connecting rod 21, which is close to the transverse frame 2; the adjacent arc plates 22 on the same side are fixedly connected through bolts; a plurality of water through grooves 23 are uniformly formed in the middle of the arc-shaped plate 22; a plurality of baffles 24 are uniformly hinged to one surface of the arc-shaped plate 22, which is close to the transverse frame 2; the baffle 24 corresponds to the water through groove 23; a torsion spring is arranged at the hinge joint of the baffle plate 24, and the baffle plate 24 can cover and block the water through groove 23; when the device works, when the nitrogen and phosphorus content in the river water flow is low, the water flow of the whole river is not required to be purified, and only the control is required; the diversion unit does not need to start to cut off the river, at the moment, the arc plates 22 on the two sides are in the condition of being close to each other, the arc plates 22 on the two sides form an ellipse and are positioned in the center of the river, so that the influence on the flow of the river is greatly reduced; when river water flows through the arc plates 22 on the two sides, part of the water flows enter the water passing groove 23, the water flows push the baffle plates 24 to rotate, so that the water passing groove 23 is opened, part of the water flows enter between the arc plates 22 on the two sides through the water passing groove 23, part of the water flows can be conveyed into the purifying unit by the water pumping structure for purifying treatment, so that the nitrogen and phosphorus content in the river water flows can be controlled, and the power consumption of the purifying unit is reduced; when the nitrogen and phosphorus content in the river water flow is high, the water flow of the whole river needs to be purified; the diversion unit starts to cut off the river channel, at the moment, the motor 20 drives the rotating rod 18 to rotate to drive the gear 19 on one side to rotate, the two gears 19 are meshed for transmission, so that the connecting rods 21 and the arc plates 22 on two sides rotate and are separated in opposite directions, the arc plates 22 on two sides are respectively contacted with two sides of the river channel, meanwhile, the baffle 24 is firmly pressed on the arc plates 22 due to the fact that river channel water flow impacts the arc concave surfaces of the arc plates 22, the water channel 23 is blocked and sealed, the river channel is cut off, at the moment, the water pumping structure is used for conveying the intercepted water flow into the purification unit for purification treatment under full power, and the purification unit is used for carrying out full power purification treatment at the same time; thereby effectively reducing the nitrogen and phosphorus content in the river water flow; through setting up connecting rod 21 and arc 22 into the structure of assembling, the height of interception is convenient for control according to the actual conditions of river course to clean system's application scope has been improved.
As shown in fig. 6 to 10, a plurality of pointed cone-shaped baffle seats 25 are connected in series and bolted to the bottom surface of one end of the transverse frame 2 far away from the door-shaped beam frame 1; through a plurality of fender seats 25 of cross-frame 2 bottom series connection bolt for when the arc 22 of both sides is close to mutually, the space that both sides arc 22 is close to is in the middle part that keeps off seat 25, thereby has avoided river course rivers to directly strike the space between the arc 22 of both sides, has reduced the arc 22 of both sides and has impacted by river course rivers and rotate the probability of expansion in turn.
As shown in fig. 6 to 10, both sides of the tip end of the baffle seat 25 far from the door beam frame 1 are provided with mounting grooves 26; a clamping plate 27 is arranged in the mounting groove 26; the clamping plates 27 on the two sides are fixedly connected through the mounting groove 26 by bolts; the detection head of the water quality detector 3 is clamped between the clamping plates 27 at two sides; during operation, two clamping plates 27 are respectively arranged in the mounting grooves 26 at two sides by utilizing bolts, and the two clamping plates 27 clamp and fix the detection head of the water quality detector 3, so that the condition that the detection head of the water quality detector 3 is disturbed by water flow impact is avoided, and the safety of the water quality detector 3 is improved.
Working principle: because urban residents have large population density, the river channel distribution is scattered, the water flow is small, and the nitrogen and phosphorus content in the river channel passing through the resident concentration area is far higher than that in the river channel far away from the resident concentration area, not all river channels need to be purified, and furthermore, the construction of a centralized sewage treatment plant is inconvenient for the purification treatment work; when the purification treatment of dephosphorization and denitrification is needed to be carried out on the river channel, the gate-type beam frame 1 is erected on the river channel, the transverse frame 2 is installed on one side, close to the water flow direction, of the gate-type beam frame 1, the water quality detector 3 is installed on the transverse frame 2, so that the detection head of the water quality detector 3 stretches into the water flow of the river channel, and the nitrogen and phosphorus content in the water flow of the river channel is detected by the water quality detector 3;
when the nitrogen and phosphorus content in the river water flow is low, the water flow of the whole river is not required to be purified, and only the control is required; the diversion unit does not need to start to cut off the river, at the moment, the arc plates 22 on the two sides are in the condition of being close to each other, the arc plates 22 on the two sides form an ellipse and are positioned in the center of the river, so that the influence on the flow of the river is greatly reduced; when river water flows through the arc-shaped plates 22 at the two sides, part of water flows enter the water passing grooves 23, and the water flows push the baffle plates 24 to rotate, so that the water passing grooves 23 are opened, and part of water flows enter between the arc-shaped plates 22 at the two sides through the water passing grooves 23;
when the sewage pump 8 delivers the pumped water flow to the upper part of the shell 10, the water flow enters the inside of the blocking shell 17 and is blocked by the blocking shell 17; the water flow falls onto the filter plate 11, the water flow can impact the filter plate 11, so that downward force is generated by the filter plate 11, the spring 13 is pushed to vibrate in a compression mode, the filter plate 11 is driven to vibrate, the water flow passes through the filter plate 11 to filter smaller solid impurities in the water flow on the filter plate 11, the filtered water flow falls onto the bottom of the shell 10 and flows into the biological treatment tank 5, when the water flow passes through the elastic guide piece 16 on the mounting cross rod 15, the elastic guide piece 16 is pushed to vibrate, and the vibration frequency and the vibration amplitude of the filter plate 11 are increased through the transmission of the mounting cross rod 15 and the upright rod 14; moreover, the probability of water flowing out of the shell 10 from the two sides of the filter plate 11 is reduced by the convex strips at the two sides of the filter plate 11; the violent vibration of the filter plate 11 causes the solid impurities on the top surface of the filter plate 11 to jump and move, so that the solid impurities are separated from the filter plate 11 to two sides; the filtered water flow enters a biological treatment tank 5, the water flow firstly enters an anaerobic tank and carries out mixed reaction with high-density strains in the anaerobic tank, the high-density strains are represented by phosphorus accumulating bacteria, the effluent of the anaerobic tank sequentially passes through an anoxic tank and an aerobic tank, the water flow enters a stuffing box 6 for nitration reaction, part of mixed liquid flows back to the anoxic tank through a return pipeline, the other part of mixed liquid flows from the stuffing box 6 to enter a settling tank 7 for mud-water separation, and the separated water flows back to a river channel through a water outlet pipe; the purification unit is in low-power operation at the moment, so that the nitrogen and phosphorus content in river water flow can be controlled, and the power consumption of the purification unit is reduced;
when the nitrogen and phosphorus content in the river water flow is high, the water flow of the whole river needs to be purified; the diversion unit starts to cut off the river channel, at the moment, the motor 20 drives the rotating rod 18 to rotate to drive the gear 19 on one side to rotate, the two gears 19 are meshed for transmission, so that the connecting rods 21 and the arc plates 22 on two sides rotate and are separated in opposite directions, the arc plates 22 on two sides are respectively contacted with two sides of the river channel, meanwhile, the baffle 24 is firmly pressed on the arc plates 22 due to the fact that river channel water flow impacts the arc concave surfaces of the arc plates 22, the water channel 23 is blocked and sealed, the river channel is cut off, at the moment, the water pumping structure is used for conveying the intercepted water flow into the purification unit for purification treatment under full power, and the purification unit is used for carrying out full power purification treatment at the same time; thereby effectively reducing the nitrogen and phosphorus content in the river water flow;
the method realizes the automatic control of the running state of the whole purification system according to the change of the nitrogen and phosphorus content in the river water flow, not only can effectively control and reduce the nitrogen and phosphorus content in the river water flow, but also can effectively reduce the power consumption of the purification system, and is convenient for carrying out purification treatment on the river with smaller distribution and dispersion and flow.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A river channel purifying system for dephosphorization and denitrification is characterized in that: comprises a door-shaped beam frame (1); the support columns at two sides of the door-shaped beam frame (1) are respectively arranged at two sides of a river channel, and the cross beam of the door-shaped beam frame (1) crosses the river channel; the middle part of one side of the gate-shaped beam frame (1) close to the river channel water flow direction is fixedly connected with a transverse frame (2); the top surface of one end of the transverse frame (2) far away from the door-shaped beam frame (1) is provided with a water quality detector (3), and the detection head of the water quality detector (3) stretches into river water flow; a purifying unit is arranged on one side of the door-shaped beam frame (1), and the purifying unit is arranged on the bank side of the river channel;
the purification unit comprises a base (4); the base (4) is arranged on the bank of the river channel; the top surface of the base (4) is provided with a biological treatment box (5), a stuffing box (6) and a precipitation box (7) in sequence; the biological treatment box (5), the stuffing box (6) and the precipitation box (7) are connected in series through pipelines in sequence; an anaerobic tank, an anoxic tank and an aerobic tank are sequentially arranged in the biological treatment tank (5); the stuffing box (6) is communicated with the biological treatment box (5) through a return pipe; the bottom of the sedimentation tank (7) is provided with a sludge outlet, and the side surface of the sedimentation tank (7) is communicated with a river channel through a pipeline; the middle part of the cross frame (2) is provided with a water pumping structure which is communicated with the biological treatment box (5).
2. The river channel purification system for dephosphorization and denitrification according to claim 1, wherein: the pumping structure comprises a sewage pump (8); the top surface of the middle part of the transverse frame (2) is fixedly connected with a sewage pump (8); the middle part of the transverse frame (2) is fixedly connected with a water pumping pipe (9); the bottom end of the water pumping pipe (9) stretches into water flow of the river; the bottom end of the water suction pipe (9) is provided with a filter head; the top end of the water suction pipe (9) is communicated with the water inlet of the sewage pump (8); the water outlet of the sewage pump (8) is communicated with the water inlet of the biological treatment box (5) through a pipeline.
3. The river channel purification system for dephosphorization and denitrification according to claim 2, wherein: a impurity removing structure is arranged between the water suction pipe (9) and the biological treatment box (5); the impurity removing structure comprises a shell (10); the top surface of the shell (10) is provided with a filter plate (11); a plurality of filter holes are uniformly formed in the filter plate (11); the top of one end of the shell (10) close to the sewage pump (8) is communicated with the sewage pump (8) through a pipeline; the bottom of one end of the shell (10) close to the biological treatment box (5) is communicated with the biological treatment box (5) through a pipeline.
4. A dephosphorization and denitrification river channel purification system according to claim 3, wherein: a plurality of inserts (12) are uniformly fixedly connected to two sides of the shell (10); the top surface of the insert (12) and the bottom surface of the filter plate (11) are fixedly connected with springs (13).
5. The river channel purification system for dephosphorization and denitrification according to claim 4, wherein: a plurality of vertical rods (14) are uniformly fixedly connected to two sides of the bottom surface of the filter plate (11); the bottoms of the upright rods (14) on both sides are bolted with mounting cross rods (15); a plurality of clamping grooves are uniformly formed in the top surface of the middle of the mounting cross rod (15); a corrugated elastic guide piece (16) is clamped in the clamping groove of the mounting cross rod (15); one end of the elastic guide piece (16) close to the sewage pump (8) is in an arrow shape, and the other end of the elastic guide piece (16) is in a corrugated shape; convex strips are fixedly connected to two sides of the top surface of the filter plate (11).
6. The dephosphorization and denitrification river channel purification system according to claim 5, wherein: a blocking shell (17) is fixedly connected to the top surface of one end, close to the sewage pump (8), of the shell (10); an outlet is formed in the bottom of one surface of the blocking shell (17) close to the middle of the shell (10); the middle part of one surface of the blocking shell (17) close to the sewage pump (8) is communicated with the sewage pump (8) through a pipeline.
7. The river channel purification system for dephosphorization and denitrification according to claim 1, wherein: the middle part of the door-shaped beam frame (1) is provided with a flow dividing unit; the diverting unit comprises a turning bar (18); the middle part of the door-shaped beam frame (1) is rotatably provided with a pair of rotating rods (18); the outer ring of the rotating rod (18) is fixedly connected with a gear (19); the gears (19) on both sides are meshed; the top surface of the middle part of the door-shaped beam frame (1) is fixedly connected with a motor (20); the rotating shaft of the motor (20) is fixedly connected with a rotating rod (18); the bottom end of the rotating rod (18) is connected with a plurality of connecting rods (21) in series in a bolting way; an arc-shaped plate (22) is fixedly connected to one side, close to the transverse frame (2), of the connecting rod (21); the arc plates (22) adjacent to the same side are fixedly connected through bolts.
8. The dephosphorization and denitrification river channel purification system according to claim 7, wherein: a plurality of water through grooves (23) are uniformly formed in the middle of the arc-shaped plate (22); a plurality of baffles (24) are uniformly hinged on one surface of the arc-shaped plate (22) close to the transverse frame (2); the baffle plate (24) corresponds to the water through groove (23); the hinge joint of the baffle plate (24) is provided with a torsion spring, and the baffle plate (24) can cover and block the water through groove (23).
9. The river channel purification system for dephosphorization and denitrification according to claim 8, wherein: a plurality of sharp-cone-shaped baffle seats (25) are connected with the bottom surface of one end of the transverse frame (2) far away from the door-shaped beam frame (1) in series in a bolting mode.
10. The river channel purification system for dephosphorization and denitrification according to claim 9, wherein: both sides of the tip end of the baffle seat (25) far away from the door-shaped beam frame (1) are provided with mounting grooves (26); a clamping plate (27) is arranged in the mounting groove (26); the clamping plates (27) at the two sides are fixedly connected through the mounting groove (26) by bolts; the water quality detector (3) detection head is clamped between the clamping plates (27) at two sides.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20140019452A (en) * | 2014-01-05 | 2014-02-14 | 한상관 | Nature-friendly eco-friendly method that restores natural ecosystem by using fishery that restores river ecosystem while naturally purifying polluted river water by storing large amount of river water |
| CN114656117A (en) * | 2022-05-24 | 2022-06-24 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Denitrification and dephosphorization device for comprehensively reducing drainage basin pollutants |
| CN114835339A (en) * | 2022-04-27 | 2022-08-02 | 贵州绿纯环境开发有限公司 | Environment-friendly water treatment facilities convenient to flood |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140019452A (en) * | 2014-01-05 | 2014-02-14 | 한상관 | Nature-friendly eco-friendly method that restores natural ecosystem by using fishery that restores river ecosystem while naturally purifying polluted river water by storing large amount of river water |
| CN114835339A (en) * | 2022-04-27 | 2022-08-02 | 贵州绿纯环境开发有限公司 | Environment-friendly water treatment facilities convenient to flood |
| CN114656117A (en) * | 2022-05-24 | 2022-06-24 | 生态环境部华南环境科学研究所(生态环境部生态环境应急研究所) | Denitrification and dephosphorization device for comprehensively reducing drainage basin pollutants |
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