CN115611391B - High-efficiency dredging residual water treatment system - Google Patents
High-efficiency dredging residual water treatment system Download PDFInfo
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- CN115611391B CN115611391B CN202211356680.1A CN202211356680A CN115611391B CN 115611391 B CN115611391 B CN 115611391B CN 202211356680 A CN202211356680 A CN 202211356680A CN 115611391 B CN115611391 B CN 115611391B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 108
- 239000006247 magnetic powder Substances 0.000 claims abstract description 60
- 238000006243 chemical reaction Methods 0.000 claims abstract description 50
- 238000005189 flocculation Methods 0.000 claims abstract description 39
- 230000016615 flocculation Effects 0.000 claims abstract description 37
- 239000012530 fluid Substances 0.000 claims abstract description 21
- 239000010802 sludge Substances 0.000 claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 34
- 238000000926 separation method Methods 0.000 claims description 27
- 230000001276 controlling effect Effects 0.000 claims description 13
- 239000000945 filler Substances 0.000 claims description 11
- 239000008394 flocculating agent Substances 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 6
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 13
- 238000003756 stirring Methods 0.000 abstract description 13
- 238000000354 decomposition reaction Methods 0.000 abstract description 2
- 238000004062 sedimentation Methods 0.000 description 8
- 238000002156 mixing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000004064 recycling Methods 0.000 description 4
- 239000000701 coagulant Substances 0.000 description 3
- 238000005345 coagulation Methods 0.000 description 3
- 230000015271 coagulation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000001935 peptisation Methods 0.000 description 3
- 230000001112 coagulating effect Effects 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 238000010907 mechanical stirring Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000001556 precipitation Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003311 flocculating effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000009827 uniform distribution 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
- C02F1/488—Treatment of water, waste water, or sewage with magnetic or electric fields for separation of magnetic materials, e.g. magnetic flocculation
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a high-efficiency dredging residual water treatment system, which comprises a water injector, a working pool and a plasma flocculation decomposition device, wherein the working pool is arranged on the water injector; one end of the water injector is connected with a residual water pipeline for transporting the dredging residual water to a working pool; the working pool comprises a reaction chamber, a mixer is arranged in the reaction chamber, the mixer is communicated with a circulating pump through a pipeline, the circulating pump is used for circulating fluid flow in the mixer and controlling fluid flow rate, an air compressor is arranged in the reaction chamber, and the air compressor is used for providing air stirring and adjusting stirring intensity; the working pool is used for separating the magnetic powder flocculation sludge from the treated dredging residual water; the plasma flocculation-removing device is used for performing flocculation-removing treatment on the magnetic powder flocculation sludge, and the method ensures that the flocculant, the magnetic powder and the dredging residual water are rapidly mixed, the flocculation effect is enhanced, and the separated magnetic powder is recycled.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a high-efficiency dredging residual water treatment system.
Background
The river and lake dredging engineering is an important measure for ensuring navigation of the river and the lake and improving self-cleaning capability of the river and the lake, and a large amount of dredging slurry can be generated in the river and lake dredging engineering process, so that the dredging engineering is smooth, the dredging follow-up treatment is more scientific and environment-friendly, and especially, the follow-up treatment link of the dredging slurry is indispensable. The current common method for treating mud in dredging engineering is to perform gravity sedimentation in a mud throwing area, so as to separate the mud in the dredging mud from the dredging residual water.
Although the quality of the dredging remainder water is better in the initial stage of the dredging engineering, the mud-water separation effect of the mud throwing area is poor along with the pushing of the dredging engineering, so that the quality of the dredging remainder water is high, particularly the suspended matter concentration in the dredging remainder water is very high, and the untreated dredging remainder water can influence the quality of the sodium water once being discharged into the nearby water, thereby further causing the ecological environment to be deteriorated.
Many dredging projects generally adopt a coagulating sedimentation method as a method for treating the dredging residual water, and the traditional coagulating sedimentation method adopts a mechanical stirring mode to mix a coagulant with the dredging residual water, but has the defects of large dosage of the medicament and long coagulation time, and the traditional method is improved by the following steps: on the basis, the magnetic coagulation technology for accelerating the flocculation sedimentation by adding the magnetic powder for strengthening flocculation can greatly shorten the sedimentation time of solids in dredging, and the recycling of the magnetic powder is realized by the flocculation decomposition and the magnetic powder recovery of the magnetic flocculation. However, the existing magnetic flocculation de-flocculation method only takes a mechanical stirring de-flocculation method as a main method, the separation effect of the magnetic powder and the flocculation is poor, the flocculation attached to the surface of part of the magnetic powder is difficult to completely remove, and the recycling performance of the magnetic powder is seriously affected.
Disclosure of Invention
The invention aims to provide a high-efficiency dredging residual water treatment system, which solves the following technical problems:
how to complete the rapid mixing of flocculant, magnetic powder and dredging residual water, enhance flocculation effect and ensure the recycling of separated magnetic powder.
The aim of the invention can be achieved by the following technical scheme:
a high-efficiency dredging residual water treatment system comprises a water injector, a working pool and a plasma flocculation-removing device;
One end of the water ejector is connected with a residual water pipeline, the other end of the water ejector is connected with a working pool, and the water ejector is used for conveying dredging residual water to the working pool;
The working pool comprises a reaction chamber, a mixer is arranged in the reaction chamber, the mixer is communicated with a circulating pump through a pipeline, the circulating pump is used for circulating fluid in the mixer and controlling the circulating speed of the fluid, an air compressor is arranged in the reaction chamber, and the air compressor is used for injecting air into the fluid and adjusting the air flow rate when the fluid is circulated; the working pool is used for separating the magnetic powder flocculation sludge from the treated dredging residual water;
The plasma flocculation-removing device is communicated with the working pool and is used for performing flocculation-removing treatment on the magnetic powder flocculation sludge.
In this embodiment, the plasma flocculation device includes the pressure chamber, be provided with the reaction chamber on the pressure chamber, be provided with perforation annular plate between pressure chamber and the reaction chamber, and communicate through perforation annular plate between pressure chamber and the reaction chamber, the reaction chamber fit is provided with quartz glass tube B, quartz glass tube B fit is provided with quartz glass tube A, be equipped with the clearance between quartz glass tube A and the quartz glass tube B, quartz glass tube A fit is provided with high-voltage electrode, high-voltage electrode top is connected with high-voltage power supply, gap department between quartz glass tube B and the quartz glass tube A is connected with the fan, the fan is used for blowing air to gap department, plasma flocculation device one side is provided with the earthing pole.
In this embodiment, a perforated pipe is disposed in the reaction chamber, and is connected to an air compressor, which injects gas into the reaction chamber and controls the amount of gas outlet through the perforated pipe.
In this embodiment, the working pond includes the separation chamber, be provided with down tube filler and play water weir in the separation chamber, down tube filler sets up in reaction chamber bottom exit top, play water weir sets up in down tube filler top, play water weir is used for controlling even play water, play water weir intercommunication is provided with the delivery port, the separation chamber bottom is provided with the mud bucket, mud bucket bottom intercommunication has the magnetic mud pipe, the magnetic mud pipe is linked together with the plasma device of separating the batting.
In the embodiment, a flocculating agent adding port is formed in the water ejector, and one end, far away from the residual water pipeline, of the water ejector is communicated with a magnetic powder circulating pipe; the plasma flocculation-removing device is communicated with a magnetic mud separator, and the magnetic mud separator is respectively communicated with a magnetic powder circulating pipe and a mud discharging pipe; the magnetic powder circulating pipe is used for transporting the magnetic powder discharged from the magnetic mud separator.
In this embodiment, the flow rate of the fluid in the mixer is controlled by a circulating pump, and the flow rate is in the range of 0.9-1.2 m/s.
In this embodiment, the pore diameter of the perforated pipe ranges from 0.1 mm to 0.3mm, and the aperture ratio of the perforated pipe ranges from 10% to 20%.
The invention has the beneficial effects that:
(1) The invention completes the full mixing of the dredging residual water, the flocculating agent and the magnetic powder in the mixer, adopts the magnetic flocculation technology to treat the dredging residual water, and particularly controls the flow rate of the mixed fluid in the mixer by arranging the circulating pump to achieve the effect of rapid mixing, thereby saving the dosage of the flocculating agent and saving the cost of the flocculating agent; the air quantity entering the reaction chamber through the perforated pipe is adjusted by setting and controlling the power of the air compressor so as to achieve the effect of controlling and enhancing flocculation, thereby saving the time of the coagulation process and improving the precipitation efficiency of the floccules.
(2) According to the invention, by arranging the plasma flocculation-removing device, the high-voltage power supply is adopted to perform a dissociation function on the gap air between the quartz glass tube A and the quartz glass tube B, discharge plasma is formed in the pressure cavity, the discharge plasma is used for fully flocculating the flocculated sludge containing the magnetic powder in the reaction cavity through the perforated annular plate, the flocculated magnetic powder is separated through the magnetic mud separator, and the separated magnetic powder is recycled through the magnetic powder circulating pipe, so that the system operation cost is saved.
(3) According to the invention, the separation chamber is arranged, the magnetic floc mixture and the dredging residual water are separated in the separation chamber, the inclined tube filler is arranged to ensure that the floc sedimentation is not disturbed by turbulence, the separation of the floc and the water is accelerated, the sedimentation distance of the floc is shortened, the separation efficiency of magnetic powder flocculation sludge and the dredging residual water is further improved, the treated dredging residual water is discharged after reaching standards through the water outlet weir and the water outlet, and the discharged water is collected and can be used for dissolving water for coagulating agents, so that the effect of saving water resources is achieved.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a general schematic diagram of a process flow of a high-efficiency dredging residual water treatment system according to the present invention;
FIG. 2 is a schematic top plan view of a working pool of the high efficiency dredging residual water treatment system of the present invention;
FIG. 3 is an enlarged schematic view of the portion A of the plasma flocculation removal device in the process flow of the high-efficiency dredging residual water treatment system.
Reference numerals: 1. a water jet; 11. a flocculating agent adding port; 2. a working pool; 21. a reaction chamber; 22. a mixer; 23. a circulation pump; 24. an air compressor; 25. perforating the pipe; 26. a separation chamber; 261. inclined tube filler; 262. a water outlet weir; 27. a water outlet; 28. a mud bucket; 3. a plasma deflocculating device; 31. a pressure chamber; 32. a reaction chamber; 33. a quartz glass tube B; 34. a quartz glass tube A; 35. a high voltage electrode; 36. a high voltage power supply; 37. a blower; 38. a ground electrode; 4. a magnetic mud pipe; 5. a magnetic powder circulation tube; 6. a magnetic mud separator; 7. a mud pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention relates to a high-efficiency dredging residual water treatment system, which is shown in figures 1-2 with reference to the accompanying drawings and comprises a water injector 1, a working pool 2 and a plasma flocculation-removing device 3;
One end of the water shooter 1 is connected with a residual water pipeline for transporting dredging residual water to the working pool 2;
The working tank 2 comprises a reaction chamber 21, a mixer 22 is arranged in the reaction chamber 21, the mixer 22 is communicated with a circulating pump 23 through a pipeline, the circulating pump 23 is used for circulating fluid in the mixer 22 and controlling the circulating speed of the fluid, an air compressor 24 is arranged in the reaction chamber 21, and the air compressor 24 is used for injecting air into the fluid and regulating the air flow rate when the fluid is circulated; the working pool 2 is used for separating the magnetic powder flocculated sludge from the treated dredging residual water;
the plasma flocculation removal device 3 is communicated with the working pool 2 and is used for performing flocculation removal treatment on the magnetic powder flocculation sludge.
Through the technical scheme: the system controls the flow rate of fluid in the mixer 22 by arranging a circulating pump 23, and the quick mixing of flocculant, magnetic powder and dredging residual water is completed in the mixer 22; the air quantity entering the reaction chamber 21 is regulated by controlling the power of the air compressor 24, so that the aim of controlling the air stirring intensity is fulfilled, the growth of the floccules taking the magnetic powder as flocculation cores is facilitated under the stirring of compressed air, and the flocculation effect is enhanced; the dielectric barrier discharge plasma formed by the high-voltage power supply 36 is adopted to complete deflocculation of the magnetic powder-containing flocculated sludge in the reaction cavity 32, and the magnetic powder and the flocculate are fully separated after deflocculation treatment.
As an embodiment of the present invention, referring to fig. 1 and 3 of the drawings, a plasma flocculation device 3 includes a pressure chamber 31, a reaction chamber 32 is disposed on the pressure chamber 31, a perforated annular plate is disposed between the pressure chamber 31 and the reaction chamber 32, the pressure chamber 31 is communicated with the reaction chamber 32 through the perforated annular plate, a quartz glass tube B33 is disposed in the reaction chamber 32, a quartz glass tube a34 is disposed in the quartz glass tube B33, a gap is disposed between the quartz glass tube a34 and the quartz glass tube B33, a high-voltage electrode 35 is disposed in the quartz glass tube a34, a high-voltage power supply 36 is connected to the top end of the high-voltage electrode 35, a fan 37 is connected to the gap between the quartz glass tube B33 and the quartz glass tube a34, the fan 37 is used for blowing air to the gap, and a grounding electrode 38 is disposed on one side of the plasma flocculation device 3.
Through the technical scheme: the plasma flocculation-removing device 3 is arranged, specifically, the pressure chamber 31 and the reaction chamber 32 are communicated through the perforated annular plate, air is blown to a gap between the quartz glass tube A34 and the quartz glass tube B33 through the fan 37, after the air is dissociated by the high-voltage electrode 35 under the action of the high-voltage power supply 36, plasma is generated in the gap between the quartz glass tube A34 and the quartz glass tube B33, the plasma enters the pressure chamber 31 and is transferred to the reaction chamber 32 through the perforated annular plate, and active substances in the plasma react with magnetic powder flocculation sludge in the reaction chamber 32 in a combined manner, so that flocculation-removing treatment on the magnetic powder flocculation sludge is completed; meanwhile, in the process of generating plasma under the dissociation effect, ultraviolet light generated in a gap between the quartz glass tube A34 and the quartz glass tube B33 also contributes to deflocculation of the magnetic powder-containing flocculated sludge.
As an embodiment of the present invention, referring to fig. 1 of the drawings, a perforated pipe 25 is provided in a reaction chamber 21, the perforated pipe 25 is communicated with an air compressor 24, and the air compressor 24 injects gas into the reaction chamber 21 through the perforated pipe 25 and controls the amount of gas to be discharged.
Through the technical scheme: setting up blender 22 and carrying out mixing stirring to the surplus water of dredging that comes from, flocculating agent and magnetic powder, setting up circulating pump 23 in blender 22 department, guaranteeing that circulating pump 23 control mixed fluid speed size, setting up air compressor 24 in blender 22 simultaneously and realizing the reinforcing through compressed air's stirring mode and regard magnetic powder as the flocculation effect of flocculation nuclear, concretely realizing guaranteeing to drive the adjustment stirring speed through controlling the air play gas size with air compressor 24 through cooperation perforated pipe 25 to it is more abundant to guarantee to mix the effect.
As an embodiment of the present invention, referring to fig. 1 of the drawings, the working tank 2 includes a separation chamber 26, an inclined tube filler 261 and an effluent weir 262 are disposed in the separation chamber 26, the inclined tube filler 261 is disposed above the outlet of the reaction chamber 21, the effluent weir 262 is disposed above the inclined tube filler 261, the effluent weir 262 is used for controlling uniform effluent, the effluent weir 262 is communicated with a water outlet 27, a mud bucket 28 is disposed at the bottom of the separation chamber 26, a magnetic mud pipe 4 is communicated with the bottom of the mud bucket 28, and the magnetic mud pipe 4 is communicated with the plasma flocculation device 3.
Through the technical scheme: the separation of the mixture is ensured by arranging the separation chamber 26, the settling of the floccules is not disturbed by turbulence in the process of separating the floccules from the dredging residual water by arranging the inclined tube packing 261 in the separation chamber 26, the separation of the floccules from the water is accelerated, the settling distance of the floccules is shortened, the separation efficiency of magnetic powder flocculated sludge and dredging residual water is further improved, the separation of excessive impurities such as mud and the like in the water discharging process is prevented under the relatively low-load water discharging condition by arranging the water outlet weir 262, the water level in the sedimentation tank is controlled, the uniform distribution of the water discharging flow is achieved, the discharged water is collected and can be used for dissolving water for the coagulating agent, and the effect of saving water resources is achieved; the mud bucket 28 is arranged to receive the magnetic powder-containing flocculated mud, the mud is collected to the bottom of the mud bucket 28, the magnetic powder-containing flocculated mud is guaranteed to pass through a magnetic mud pipe 4 communicated with the bottom of the mud bucket 28 and enter a plasma flocculation-removing device 3 for flocculation-removing treatment, then the magnetic mud enters a magnetic mud separator 6, after the magnetic powder mud is separated, the separated magnetic powder is transported into a transmitting pipeline of the water injector 1 through a magnetic powder circulating pipe 5 to be continuously mixed with dredging residual water and flocculating agent for recycling, and therefore the running cost of system circulation is saved.
As an embodiment of the present invention, referring to fig. 1-3 of the accompanying drawings, a flocculant adding port 11 is formed on a water injector 1, one end of the water injector 1, which is far away from a residual water pipeline, is communicated with a magnetic powder circulating pipe 5, a plasma flocculation-removing device 3 is communicated with a magnetic mud separator 6, and the magnetic mud separator 6 is respectively communicated with the magnetic powder circulating pipe 5 and a mud discharging pipe 7; the magnetic powder circulation pipe 5 serves to transport the magnetic powder discharged from the sludge separator 6.
Through the technical scheme: the dredging residual water enters the water shooter 1 through a residual water pipeline, the prepared flocculant solution is added into a flocculant adding port 11, then enters a mixer 22 together with the magnetic powder from a magnetic powder circulating pipe 5, the mixer 22 is arranged in the middle of a reaction chamber 21, the reaction chamber 21 is arranged in the middle of a separation chamber 26, the quick mixing of flocculant, magnetic powder and dredging residual water is completed in the mixer 22, then enters the reaction chamber 21, the air quantity entering the reaction chamber 21 through a perforated pipe 25 is regulated by controlling the power of an air compressor 24, the purpose of controlling the air stirring intensity is achieved, the rapid growth of the floccules taking the magnetic powder as flocculation nuclei is facilitated under the stirring of compressed air, the flocculation effect is enhanced, finally, the floccules enter the separation chamber 26, the separation of the floccules from the treated dredging residual water is completed, the inclined pipe packing 261 can improve the separation efficiency of the floccules, and the treated dredging residual water reaches the standard after passing through an effluent weir 262 and a water outlet 27. After precipitation separation, the flocculated sludge containing the magnetic powder in the mud bucket 28 enters the plasma flocculation-removing device 3 through the magnetic mud pipe 4, enters the magnetic mud separator 6 after flocculation-removing treatment, and ensures the cyclic utilization of the magnetic powder in the magnetic powder circulating pipe 5, thereby reducing the use of the magnetic powder and saving the operation cost.
As an embodiment of the present invention, referring to fig. 1 of the drawings, the flow rate of the fluid in the mixer 22 is controlled by the circulation pump 23, and preferably, the flow rate is set to be 0.9-1.2 m/s, the air stirring intensity in the reaction chamber 21 is controlled by the power of the air compressor 24, the aperture diameter and the aperture opening ratio of the perforated pipe 25, the aperture diameter range of the perforated pipe 25 is 0.1-0.3 mm, and the aperture opening ratio range is 10% -20%.
Through the technical scheme: the flow rate of the fluid in the mixer 22 is controlled by the circulating pump 23, the optimal flow rate is set, the air stirring intensity in the reaction chamber 21 is controlled by the air compressor 24, the corresponding aperture and aperture ratio of the perforated pipe 25 are controlled, the power of the air compressor 24 and the aperture ratio of the perforated pipe 25 with stirring G value of 10-20 s < -1 > are preferably achieved in the reaction chamber 21, the optimal stirring G value of the reaction chamber 21 is achieved, and the aperture ratio of the corresponding perforated pipe 25 is preferably 0.1-0.3 mm, and the aperture ratio is preferably 10% -20%.
The foregoing is merely illustrative and explanatory of the principles of the invention, as various modifications and additions may be made to the specific embodiments described, or similar thereto, by those skilled in the art, without departing from the principles of the invention or beyond the scope of the appended claims.
Claims (4)
1. The high-efficiency dredging residual water treatment system is characterized by comprising a water ejector (1), a working tank (2) and a plasma flocculation-removing device (3);
One end of the water ejector (1) is connected with a residual water pipeline, the other end of the water ejector (1) is connected with the working pond (2), and the water ejector (1) is used for conveying dredging residual water to the working pond (2);
the working pool (2) comprises a reaction chamber (21), a mixer (22) is arranged in the reaction chamber (21), the mixer (22) is communicated with a circulating pump (23) through a pipeline, the circulating pump (23) is used for circulating fluid flow in the mixer (22) and controlling the circulating speed of the fluid, an air compressor (24) is arranged in the reaction chamber (21), and the air compressor (24) is used for injecting air into the fluid and regulating the air outlet speed when the fluid is circulated; the working pool (2) is used for separating the magnetic powder flocculated sludge from the treated dredging residual water;
The plasma flocculation-removing device (3) is communicated with the working pool (2) and is used for performing flocculation-removing treatment on the separated magnetic powder flocculation sludge;
The plasma flocculation removal device (3) comprises a pressure cavity (31), wherein a reaction cavity (32) is arranged on the pressure cavity (31), a perforated annular plate is arranged between the pressure cavity (31) and the reaction cavity (32), the pressure cavity (31) is communicated with the reaction cavity (32) through the perforated annular plate, a quartz glass tube B (33) is arranged in the reaction cavity (32) in a matched mode, a quartz glass tube A (34) is arranged in the quartz glass tube B (33) in a matched mode, a gap is formed between the quartz glass tube A (34) and the quartz glass tube B (33), a high-voltage electrode (35) is arranged in the quartz glass tube A (34) in a matched mode, a high-voltage power supply (36) is connected to the top end of the high-voltage electrode (35), a fan (37) is connected to the gap between the quartz glass tube B (33) and the quartz glass tube A (34), and the fan (37) is used for blowing air to the gap, and a grounding electrode (38) is arranged on one side of the plasma flocculation removal device (3);
The working pond (2) comprises a separation chamber (26), wherein a pipe chute filler (261) and a water outlet weir (262) are arranged in the separation chamber (26), the pipe chute filler (261) is arranged above an outlet at the bottom of the reaction chamber (21), the water outlet weir (262) is arranged above the pipe chute filler (261), the water outlet weir (262) is used for controlling uniform water outlet, the water outlet weir (262) is communicated with a water outlet (27), a mud bucket (28) is arranged at the bottom of the separation chamber (26), a magnetic mud pipe (4) is communicated with the bottom of the mud bucket (28), and the magnetic mud pipe (4) is communicated with a plasma flocculation-decomposing device (3);
A flocculating agent adding port (11) is formed in the water ejector (1), and one end, far away from the residual water pipeline, of the water ejector (1) is communicated with a magnetic powder circulating pipe (5); the plasma flocculation-removing device (3) is communicated with a magnetic mud separator (6), and the magnetic mud separator (6) is respectively communicated with a magnetic powder circulating pipe (5) and a mud discharging pipe (7); the magnetic powder circulating pipe (5) is used for transporting the magnetic powder discharged from the magnetic mud separator (6).
2. An efficient dredging residual water treatment system according to claim 1, wherein: the reaction chamber (21) is internally provided with a perforated pipe (25), the perforated pipe (25) is communicated with an air compressor (24), and the air compressor (24) injects gas into the reaction chamber (21) through the perforated pipe (25) and controls the gas outlet quantity.
3. An efficient dredging residual water treatment system according to claim 1, wherein: the flow rate of the fluid in the mixer (22) is controlled by a circulating pump (23), and the flow rate range is 0.9-1.2 m/s.
4. An efficient dredging residual water treatment system according to claim 1, wherein: the aperture range of the perforated pipe (25) is 1-3 mm, and the aperture ratio range of the perforated pipe (25) is 10-20%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211356680.1A CN115611391B (en) | 2022-11-01 | 2022-11-01 | High-efficiency dredging residual water treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211356680.1A CN115611391B (en) | 2022-11-01 | 2022-11-01 | High-efficiency dredging residual water treatment system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115611391A CN115611391A (en) | 2023-01-17 |
| CN115611391B true CN115611391B (en) | 2024-05-17 |
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| CN202211356680.1A Active CN115611391B (en) | 2022-11-01 | 2022-11-01 | High-efficiency dredging residual water treatment system |
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| JP2000202498A (en) * | 1999-01-11 | 2000-07-25 | Kamata Bio Eng Kk | Hydrophobe for liquid sludge |
| CN101948198A (en) * | 2010-10-19 | 2011-01-19 | 江苏大学 | Magnetic flocculation reactor |
| CN202415317U (en) * | 2012-01-08 | 2012-09-05 | 四川环能德美科技股份有限公司 | Integral deep coal mine water treatment system |
| CN106746078A (en) * | 2016-12-14 | 2017-05-31 | 合肥工业大学 | A kind of pretreatment unit of high concentration organism P wastewater |
| CN207347237U (en) * | 2017-09-30 | 2018-05-11 | 北京海绵城市建设工程有限公司 | A kind of efficiently magnetic flocculation clarifying reaction device |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000202498A (en) * | 1999-01-11 | 2000-07-25 | Kamata Bio Eng Kk | Hydrophobe for liquid sludge |
| CN101948198A (en) * | 2010-10-19 | 2011-01-19 | 江苏大学 | Magnetic flocculation reactor |
| CN202415317U (en) * | 2012-01-08 | 2012-09-05 | 四川环能德美科技股份有限公司 | Integral deep coal mine water treatment system |
| CN106746078A (en) * | 2016-12-14 | 2017-05-31 | 合肥工业大学 | A kind of pretreatment unit of high concentration organism P wastewater |
| CN207347237U (en) * | 2017-09-30 | 2018-05-11 | 北京海绵城市建设工程有限公司 | A kind of efficiently magnetic flocculation clarifying reaction device |
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