CN114436428A - Integrated wastewater treatment system - Google Patents
Integrated wastewater treatment system Download PDFInfo
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- CN114436428A CN114436428A CN202111249867.7A CN202111249867A CN114436428A CN 114436428 A CN114436428 A CN 114436428A CN 202111249867 A CN202111249867 A CN 202111249867A CN 114436428 A CN114436428 A CN 114436428A
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- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 23
- 238000005189 flocculation Methods 0.000 claims abstract description 154
- 230000016615 flocculation Effects 0.000 claims abstract description 154
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 67
- 239000003814 drug Substances 0.000 claims abstract description 37
- 238000004062 sedimentation Methods 0.000 claims abstract description 22
- 239000002351 wastewater Substances 0.000 claims abstract description 20
- 238000005352 clarification Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000003756 stirring Methods 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 6
- 239000011259 mixed solution Substances 0.000 claims abstract description 5
- 239000010802 sludge Substances 0.000 claims description 56
- 230000007704 transition Effects 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 claims description 10
- 238000009827 uniform distribution Methods 0.000 claims description 9
- 238000012806 monitoring device Methods 0.000 claims description 5
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 description 7
- 229940037003 alum Drugs 0.000 description 6
- 239000000470 constituent Substances 0.000 description 5
- 239000000945 filler Substances 0.000 description 5
- 230000003311 flocculating effect Effects 0.000 description 5
- 238000005457 optimization Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 239000013043 chemical agent Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006477 desulfuration reaction Methods 0.000 description 1
- 230000023556 desulfurization Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010840 domestic wastewater Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- 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
- 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
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The invention relates to the technical field of wastewater treatment, and provides an integrated wastewater treatment system which comprises a mixer, a mechanical flocculation area, a hydraulic flocculation area, a contact flocculation settling area, a clarification area, a clear water area and a mixer, used for mixing medicament and waste water, a mechanical flocculation area used for stirring the mixed liquid mixed by the mixer to carry out first-step flocculation, a hydraulic flocculation area, used for carrying out secondary flocculation on the mixed solution after the primary flocculation by adopting a folded plate, contacting with a flocculation settling area, a first settling and clarifying zone for settling the mixed liquid after the first flocculation, a clear water zone, the mechanical flocculation area, the hydraulic flocculation area, the contact flocculation sedimentation area, the clarification area and the clear water area are sequentially arranged along the flowing direction of water flow. The invention is provided with a mechanical flocculation area and a hydraulic flocculation area, and is convenient to operate and control when the water quality fluctuates.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to the field of wastewater treatment of wet desulphurization thermal power plants, and specifically relates to an integrated wastewater treatment system.
Background
At present, the domestic waste water treatment process generated by wet limestone-gypsum desulfurization of a coal-fired power plant mainly adopts a triple box + concentration/clarification method, the system comprises a neutralization box, a settling box, a flocculation box and a concentration/clarification tank, and the technical process is mature, but has the problems of large occupied area, high construction cost, multiple medicament adding types, high medicament cost, large sludge yield, complex operation management, high sludge treatment cost and the like.
Disclosure of Invention
The invention aims to provide an integrated wastewater treatment system which can solve at least part of the defects in the prior art.
In order to achieve the above purpose, the embodiments of the present invention provide the following technical solutions: an integrated wastewater treatment system comprises a mixer, a mechanical flocculation area, a hydraulic flocculation area, a contact flocculation settling area, a clarification area and a clear water area,
the mixer is used for mixing the medicament and the wastewater,
the mechanical flocculation area is used for stirring the mixed liquid mixed by the mixer to carry out first-step flocculation,
the hydraulic flocculation area is used for carrying out secondary flocculation on the mixed liquid after the primary flocculation by adopting folded plates,
the contact flocculation settling zone is used for carrying out primary settling on the mixed liquid after secondary flocculation,
the clarification zone is used for carrying out secondary sedimentation on the mixed solution after the primary sedimentation,
the clear water area is used for temporarily storing the clear water after the second sedimentation,
the mechanical flocculation area, the hydraulic flocculation area, the contact flocculation settling area, the clarification area and the clear water area are sequentially arranged along the flowing direction of water flow.
Further, the device also comprises a medicament preparation device for dispensing medicaments, and medicaments prepared by the medicament preparation device enter the mixer.
Further, a water ejector for feeding the waste water and the medicament into the mixer is also included.
Further, the system also comprises a sludge concentration area which is used for settling and concentrating the sludge in the wastewater.
Further, the sludge concentration area is stirred and concentrated by a concentration type mud scraper and concentrated sludge is concentrated to the mud bucket area.
Further, the mud bucket area returns the mud to the mixer through a mud return device.
Further, still include the mud level monitoring devices who is used for monitoring mud volume.
Further, the mixer comprises a helical blade, a gradual change pipe and a water flow uniform distribution device, wherein the helical blade is arranged in the gradual change pipe, the gradual change pipe is used for gradually reducing the flow rate of water flow, and the water flow uniform distribution device is arranged at the tail end of the gradual change pipe.
Further, mechanical flocculation district includes draft tube, promotion formula agitator and drive arrangement, promotion formula agitator is located in the draft tube, drive arrangement orders about promotion formula agitator work, the bottom of draft tube be equipped with the hole in water conservancy flocculation district intercommunication.
Further, the water conservancy flocculation district includes along the first flocculation district, second flocculation district, third flocculation district and the flocculation transition zone of rivers direction intercommunication in proper order, first flocculation district with between the second flocculation district, the second flocculation district with between the third flocculation district and the third flocculation district with all separate through the folded plate between the flocculation transition zone, just first flocculation district the second flocculation district the third flocculation district and the space of flocculation transition zone grow in proper order, the flocculation transition zone with contact flocculation settling zone butt joint.
Compared with the prior art, the invention has the beneficial effects that:
1. the mechanical flocculation area and the hydraulic flocculation area are arranged, so that the operation and control are convenient when the water quality fluctuates.
2. The contact flocculation settling zone is arranged in the sewage treatment device, has the functions of flow guide, uniform distribution and contact filtration, is convenient for the contact of the original activated adsorption sludge floc and the new alum floc, continuously expands the alum floc, is convenient for settling, and can obviously improve the effluent quality and stabilize the effluent quality.
3. Only one medicament is needed to be added, four to five medicaments in the original process are changed into one medicament, and acid and alkali are not needed to be added to adjust the pH value; the process flow is short, and the corrosion of equipment and pipelines is greatly relieved; the equipment quantity is greatly reduced, and the coagulation and clarification are rapid.
4. The medicament is automatically added by a water injector, the adding amount is adjusted by an automatic control valve arranged on a medicament adding pipeline, and compared with the traditional adding mode by a medicament adding pump, the method can save investment and reduce operation and maintenance cost.
5. The reactor adopts a high-efficiency water jet type pipeline reactor, and compared with mechanical reaction, the volume of equipment is greatly reduced, so that the space is saved, and the production cost is reduced; in addition, the reactor is driven by water power, a motor and a speed reducer are not required to be configured, the equipment management and maintenance are simple, and the maintenance cost is low.
6. The sludge reflux device is arranged in the device, the flocculation effect is improved due to extremely high sludge concentration, the medicament adding amount is reduced, and the operation cost can be greatly reduced.
Drawings
FIG. 1 is a schematic diagram of an integrated wastewater treatment system according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, an integrated wastewater treatment system according to an embodiment of the present invention includes a mixer 3, a mechanical flocculation area 4, a hydraulic flocculation area 5, a contact flocculation settling area 6, a clarification area 8, and a clean water area 9, wherein the mixer 3 is used for mixing a chemical agent and wastewater; the mechanical flocculation area 4 is used for stirring the mixed liquid mixed by the mixer 3 to carry out first-step flocculation; the hydraulic flocculation area 5 is used for carrying out secondary flocculation on the mixed liquid after the primary flocculation by adopting folded plates 5-5; the contact flocculation settling zone 6 is used for carrying out primary settling on the mixed liquid subjected to secondary flocculation; the clarification zone 8 is used for carrying out secondary sedimentation on the mixed solution after the primary sedimentation; the clear water area 9 is used for temporarily storing clear water subjected to secondary sedimentation; in addition, the mechanical flocculation area 4, the hydraulic flocculation area 5, the contact flocculation settling area 6, the clarification area 8 and the clean water area 9 are sequentially arranged along the flowing direction of water flow. In this embodiment, the wastewater and the chemical agent are mixed in the mixer 3 and then sequentially flow into the mechanical flocculation area 4, the hydraulic flocculation area 5 and the contact flocculation settling area 6, and finally are clarified in the clarification area 8, stored in the clear water area 9, and finally flow into the water collection tank 10 through the clear water area 9, and clear water in the water collection tank 10 is collected in the confluence tank 17 and then discharged through the water outlet 18. Among these, the mixer 3 is a line mixer, which can effectively mix the wastewater with the chemical agent uniformly, and is located in the mechanical flocculation zone 4; the mechanical flocculation area 4 is used for mechanically stirring the mixed solution of the wastewater and the medicament at a high speed, performing first-step flocculation, and then performing second-time flocculation by the hydraulic flocculation area 5, wherein the hydraulic flocculation is performed by using the power of water flow and matching with the folded plates 5-5, the flocculation in the area is slow flocculation, and the second-time flocculation is slowly completed along with the gradual passing of the water flow through a flow channel formed by the folded plates 5-5; then the water flows to a contact flocculation sedimentation area 6, the mixed liquid after two times of flocculation can be settled for the first time, the contact flocculation sedimentation area has the functions of diversion, uniform distribution and contact filtration, and is convenient for the original activated adsorption sludge floc to contact with new alum floc, so that the alum floc is continuously enlarged and is convenient to settle, the effluent quality can be obviously improved, and the effluent quality is stable; then carrying out secondary sedimentation in a clarification zone 8; finally, clear water can be obtained in the clear water area 9. The whole process is reasonable in arrangement, waste water is treated by the direction of water flow once and again, and operation and control are facilitated when water quality fluctuates.
As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, the system further includes a medicament preparation device 1 for dispensing, and the medicament prepared by the medicament preparation device 1 enters the mixer 3. In the embodiment, a mixer 3 is used for preparing medicines, the mixer 3 is a pipeline mixer and comprises a helical blade 3-2, a gradual change pipe 3-4 and a water flow uniform distribution device 3-5, a backflow sludge interface pipe 3-3 is arranged in the pipeline mixer and is in butt joint with a sludge backflow interface pipe 12-2 in a mud bucket area 12, the helical blade 3-2 is arranged in the gradual change pipe 3-4, the gradual change pipe 3-4 is used for gradually reducing the flow rate of water flow, and the water flow uniform distribution device 3-5 is arranged at the tail end of the gradual change pipe 3-4. Specifically, the pipe diameter of the gradual change pipe 3-4 is gradually increased, the flow velocity of water flow can be gradually reduced, and then the water flow uniform distribution device 3-5 ensures that the waste water after the mixing reaction is uniformly distributed into the guide shell 4-2. The guide shell 4-2 is fixed on the wall of the mechanical flocculation area through a guide shell supporting structure 4-1. Wherein, the helical blade 3-2 can ensure that the medicament and the sewage are fully mixed and reacted for the second time. Preferably, the medicament preparation device 1 comprises a preparation box 1-1, a stirrer 1-2, a feeding hopper 1-3, a feeder 1-4 and a liquid level meter 1-5, the preparation of the composite medicament is realized, the volume is determined according to the wastewater treatment capacity and the medicament adding concentration, and the medicament adding concentration is 0.1-0.5%; the medicament is added and mixed by a high-efficiency water-jet pipeline mixer.
As an optimization of the embodiment of the present invention, please refer to fig. 1, the system further comprises a water injector 2 for feeding the waste water and the medicament into the mixer 3. In this embodiment, the mixer 3 is matched with the water injector 2 to form a high-efficiency water-jet pipeline mixer, the water injector 2 is arranged outside, the wastewater is conveyed to the water injector 2 through the wastewater inlet pipe 2-1, and the medicament is automatically sucked into the water injector 2 through the medicament feeding pipe 2-2 to be fully mixed with the wastewater according to the water-jet principle. The mixer 3 is connected by a connecting flange 3-1, the dosing amount is automatically adjusted by arranging an automatic adjusting valve 1-6 on the dosing pipe, the outlet is connected to the mechanical flocculation area 4 by a connecting pipeline 2-3 with a certain length, and the mixture enters the pipeline mixer again for secondary mixing reaction after the reaction of the connecting pipeline 2-3.
Referring to fig. 1, as an optimized solution of the embodiment of the present invention, the system further includes a sludge concentration zone 11, where the sludge concentration zone 11 is used for settling and concentrating sludge in the wastewater. Preferably, the sludge concentration zone 11 is stirred and concentrated by a concentration type mud scraper 11-1 and concentrates the concentrated sludge to a hopper zone 12. The hopper area 12 returns sludge to the mixer 3 through a sludge return device. In this embodiment, the precipitated sludge enters the sludge concentration zone 11, a concentration type mud scraper 11-1 is arranged in the sludge concentration zone 11, the sludge concentration zone has stirring concentration and mud scraping functions, the sludge settling concentration can be accelerated, the concentrated sludge is concentrated to the mud bucket zone 12 through the scraper effect, and the bottom of the concentration zone has a certain gradient, preferably 5% gradient, so that the sludge collection is facilitated. The concentrated mud scraper 11-1 is driven by a mud scraper driving device 11-2. Preferably, a sludge stirring device 12-1 is arranged in the hopper area 12 and can further concentrate and stir the stored sludge, a sludge backflow connector pipe 12-2 is arranged on the upper side of the bottom of the hopper area 12, the discharged activated sludge continuously flows back into the pipeline mixer through a sludge backflow pump, the external backflow sludge has extremely high sludge concentration, the flocculation effect can be improved, and the dosage of the medicament is reduced; the sludge discharge mouthpiece 12-3 extends into the bottom of the sludge bucket area 12 and is inclined downwards. Preferably, the system also comprises a sludge discharge device and a sludge return device. The sludge discharge device 13 comprises a sludge discharge pump 13-1, a pump inlet pipeline 13-2 and a pump outlet pipeline 13-3. One end of the pump inlet pipeline 13-2 is connected to the sludge discharge interface pipe 12-3, and the other end is connected to the sludge discharge pump 13; the outlet pipe 13-3 is connected to a sludge dewatering system. The sludge reflux device 14 comprises a sludge reflux pump 14-1, a pump inlet pipeline 14-2 and a pump outlet pipeline 14-3. One end of a pump inlet pipeline 14-2 is connected to the sludge backflow connector pipe 12-2, and the other end is connected to the sludge backflow pipe 14; the outlet duct 14-3 is connected to a duct mixer mouthpiece 3-3.
As an optimization scheme of the embodiment of the present invention, please refer to fig. 1, the system further includes a mud level monitoring device for monitoring mud amount. In this embodiment, the amount of sludge in the hopper area 12 can be monitored using a sludge level monitoring device.
Referring to fig. 1 as an optimized scheme of the embodiment of the present invention, the mechanical flocculation area 4 includes a draft tube 4-2, a lift agitator 4-3 and a driving device 4-4, the lift agitator 4-3 is disposed in the draft tube 4-2, the driving device 4-4 drives the lift agitator 4-3 to operate, and a hole communicated with the hydraulic flocculation area 5 is disposed at the bottom of the draft tube 4-2. In this embodiment, the mechanical flocculation area 4 is refined, and may include a draft tube 4-2, a lifting agitator 4-3 and a driving device 4-4, the wastewater mixed and reacted by the mixer 3 is uniformly distributed into the draft tube 4-2, and is flocculated rapidly under the action of the lifting agitator, so as to form a small flocculating constituent rapidly, the driving device 4-4 adopts a variable frequency speed regulation, and can adjust the rotation speed of the agitator according to the actual situation, increase or reduce the flocculating constituent collision probability, promote the particle collision aggregation, control the flocculation effect, and the wastewater after mechanical flocculation enters the hydraulic flocculation area 5 through a long hole at the bottom of the mechanical flocculation area 4.
As an optimization scheme of the embodiment of the invention, please refer to FIG. 1, the hydraulic flocculation area 5 comprises a first flocculation area 5-1, a second flocculation area 5-2, a third flocculation area 5-3 and a flocculation transition area 5-4 which are sequentially communicated along the water flow direction, the first flocculation area 5-1 and the second flocculation area 5-2, the second flocculation area 5-2 and the third flocculation area 5-3, and the third flocculation area 5-3 and the flocculation transition area 5-4 are separated by folded plates 5-5, and the spaces of the first flocculation area 5-1, the second flocculation area 5-2, the third flocculation area 5-3 and the flocculation transition area 5-4 are enlarged in sequence, and the flocculation transition area 5-4 is butted with the contact flocculation settling area 6. In this embodiment, a first flocculation area 5-1, a second flocculation area 5-2, a third flocculation area 5-3 are arranged in the hydraulic flocculation area 5, three flocculation areas are arranged from small to large by adjusting the distance between the folded plates 5-5, so that the water flow speed is gradually reduced, the size of a flocculating constituent is gradually increased, the flocculating constituent slowly enters the contact flocculation sedimentation area 6 through the flocculation transition area 5-4 to avoid the flocculating constituent from being crushed, a guide plate 5-6 is arranged in the flocculation transition area 5-4, the inclination angle of the guide plate 5-6 is the same as the inclined pipe/plate installation angle, and is also used as a first inclined pipe/plate supporting structure 6-1, meanwhile, the area of the contact flocculation sedimentation area 6 can be changed, the contact flocculation sedimentation area 6 is settled and contact filtered by the sedimentation principle of a first inclined pipe/plate filler 6-2, the effluent of the hydraulic flocculation area 5 enters the high-concentration contact flocculation sedimentation area 6, the original activated adsorption sludge floc is contacted with the new alum floc, so that the alum floc is continuously enlarged and is convenient to settle. Preferably, the filler is made of corrosion-resistant materials, the specification phi 80, the oblique length 500mm, the installation angle 60 degrees and the oblique direction lean on a slow flocculation area are selected, the contact flocculation settling area 6 is mainly used for guiding, uniformly distributing and contact filtering, the flow speed is higher than the flow speed in an oblique pipe/plate of a settling area, the transition area 7 is connected with the contact flocculation settling area 6 and a clarification area 8, the clarification area 8 is an oblique pipe/pipe clarification area and is also used as a second oblique pipe/plate supporting structure 8-1, the sedimentation is carried out by the sedimentation principle of a second oblique pipe/plate filler 8-2, the sedimentation area is increased, the treatment capacity is improved on the premise of ensuring the water quality, the filler is made of corrosion-resistant materials, the specification phi 50, the oblique length 1000mm and the installation angle 60 degrees and the oblique direction is opposite to the oblique pipe/plate of the contact flocculation settling area 6, the filler enters the water collection area 9 after sedimentation and passes through the water collection tank 10, the clear water of each water collecting tank 10 is collected in the return tank and then discharged through the water outlet.
As an optimization scheme of the embodiment of the invention, please refer to FIG. 1, a centralized local control cabinet 16 is arranged in the integrated device, and supplies power to all motor dragging devices (including a stirrer 1-2, a feeder 1-4, a liquid level meter 1-5, an automatic regulating valve 1-6, a driving device 4-4, a mud scraper driving device 11-2, a sludge discharge pump 13-1, a sludge reflux pump 14-1 and the like in the medicament preparation device 1), a mud level monitoring device 15 and a turbidity meter in the device, and meanwhile, performs automatic control according to feedback signals of related instruments and devices, thereby ensuring safe, stable and efficient operation of the system.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An integrated wastewater treatment system, characterized in that: comprises a mixer, a mechanical flocculation area, a hydraulic flocculation area, a contact flocculation settling area, a clarification area and a clear water area,
the mixer is used for mixing the medicament and the wastewater,
the mechanical flocculation area is used for stirring the mixed liquid mixed by the mixer to carry out first-step flocculation,
the hydraulic flocculation area is used for carrying out secondary flocculation on the mixed liquid after the primary flocculation by adopting folded plates,
the contact flocculation settling zone is used for carrying out primary settling on the mixed liquid after secondary flocculation,
the clarification zone is used for carrying out secondary sedimentation on the mixed solution after the primary sedimentation,
the clear water area is used for temporarily storing clear water after the second sedimentation,
the mechanical flocculation area, the hydraulic flocculation area, the contact flocculation settling area, the clarification area and the clear water area are sequentially arranged along the flowing direction of water flow.
2. The integrated wastewater treatment system of claim 1, wherein: the device also comprises a medicament preparation device for dispensing, and medicaments prepared by the medicament preparation device enter the mixer.
3. The integrated wastewater treatment system of claim 1, wherein: and a water ejector for feeding the waste water and the medicament into the mixer.
4. The integrated wastewater treatment system of claim 1, wherein: the system also comprises a sludge concentration area which is used for settling and concentrating the sludge in the wastewater.
5. The integrated wastewater treatment system of claim 4, wherein: the sludge concentration area is stirred and concentrated by a concentrated sludge scraper and concentrated into a sludge bucket area.
6. The integrated wastewater treatment system of claim 5, wherein: and the mud bucket area returns the mud to the mixer through a mud returning device.
7. The integrated wastewater treatment system of claim 1, wherein: the device also comprises a mud level monitoring device for monitoring mud amount.
8. The integrated wastewater treatment system of claim 1, wherein: the mixer comprises a helical blade, a gradual change pipe and a water flow uniform distribution device, wherein the helical blade is arranged in the gradual change pipe, the gradual change pipe is used for gradually reducing the flow speed of water flow, and the water flow uniform distribution device is arranged at the tail end of the gradual change pipe.
9. The integrated wastewater treatment system of claim 1, wherein: mechanical flocculation district includes draft tube, promotion formula agitator and drive arrangement, promotion formula agitator is located in the draft tube, drive arrangement orders about promotion formula agitator work, the bottom of draft tube be equipped with the hole in water conservancy flocculation district intercommunication.
10. The integrated wastewater treatment system of claim 1, wherein: the water conservancy flocculation district includes along the first flocculation district, second flocculation district, third flocculation district and the flocculation transition zone of rivers direction intercommunication in proper order, first flocculation district with between the second flocculation district with between the third flocculation district and the third flocculation district with all separate through the folded plate between the flocculation transition zone, just first flocculation district the second flocculation district the third flocculation district and the space in flocculation transition zone grow in proper order, the flocculation transition zone with contact flocculation settling zone butt joint.
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| CN202111249867.7A CN114436428A (en) | 2021-10-26 | 2021-10-26 | Integrated wastewater treatment system |
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| CN202111249867.7A CN114436428A (en) | 2021-10-26 | 2021-10-26 | Integrated wastewater treatment system |
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|---|---|---|---|---|
| GB191016015A (en) * | 1910-07-05 | 1911-05-18 | William Henry Baxter | Improvements in or relating to Machinery for Washing and Cleansing Stone and for Mixing Macadam and Concrete. |
| CN104016539A (en) * | 2013-03-01 | 2014-09-03 | 中石化上海工程有限公司 | Treatment method of wastewater during production of raw material medicines |
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| WO2017094647A1 (en) * | 2015-12-03 | 2017-06-08 | 強 下山 | Swirl-flow gas-liquid mixing device for aquaculture |
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