CN111908707A - Novel marine sewage advanced treatment system and use method thereof - Google Patents
Novel marine sewage advanced treatment system and use method thereof Download PDFInfo
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- CN111908707A CN111908707A CN202010599149.1A CN202010599149A CN111908707A CN 111908707 A CN111908707 A CN 111908707A CN 202010599149 A CN202010599149 A CN 202010599149A CN 111908707 A CN111908707 A CN 111908707A
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- 239000010865 sewage Substances 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 158
- 239000010797 grey water Substances 0.000 claims abstract description 60
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000004064 recycling Methods 0.000 claims abstract description 17
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 14
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010866 blackwater Substances 0.000 claims abstract description 7
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 7
- 239000011574 phosphorus Substances 0.000 claims abstract description 7
- 238000004062 sedimentation Methods 0.000 claims description 46
- 239000010802 sludge Substances 0.000 claims description 17
- 239000002351 wastewater Substances 0.000 claims description 15
- 239000006004 Quartz sand Substances 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 238000000926 separation method Methods 0.000 claims description 14
- AHEWZZJEDQVLOP-UHFFFAOYSA-N monobromobimane Chemical compound BrCC1=C(C)C(=O)N2N1C(C)=C(C)C2=O AHEWZZJEDQVLOP-UHFFFAOYSA-N 0.000 claims description 13
- 238000001556 precipitation Methods 0.000 claims description 13
- 230000001112 coagulating effect Effects 0.000 claims description 11
- 238000005345 coagulation Methods 0.000 claims description 10
- 230000015271 coagulation Effects 0.000 claims description 10
- 238000011001 backwashing Methods 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 8
- 239000006228 supernatant Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 239000003344 environmental pollutant Substances 0.000 claims description 6
- 231100000719 pollutant Toxicity 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- 239000001301 oxygen Substances 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 4
- 230000001376 precipitating effect Effects 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims description 4
- 239000012459 cleaning agent Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 3
- 238000004065 wastewater treatment Methods 0.000 claims 4
- 238000010438 heat treatment Methods 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 2
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000005536 corrosion prevention Methods 0.000 abstract description 2
- 238000011010 flushing procedure Methods 0.000 abstract description 2
- 239000013505 freshwater Substances 0.000 abstract description 2
- 239000013535 sea water Substances 0.000 abstract description 2
- 241000565357 Fraxinus nigra Species 0.000 description 5
- 241000537371 Fraxinus caroliniana Species 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002550 fecal effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
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- 230000008520 organization Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J4/00—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for
- B63J4/006—Arrangements of installations for treating ballast water, waste water, sewage, sludge, or refuse, or for preventing environmental pollution not otherwise provided for for treating waste water or sewage
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B1/00—Methods or layout of installations for water supply
- E03B1/04—Methods or layout of installations for water supply for domestic or like local supply
- E03B1/041—Greywater supply systems
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
- C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers
-
- 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
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
-
- 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
- C02F2103/008—Originating from marine vessels, ships and boats, e.g. bilge water or ballast water
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/08—Chemical Oxygen Demand [COD]; Biological Oxygen Demand [BOD]
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/30—Relating to industrial water supply, e.g. used for cooling
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Abstract
The invention relates to the technical field of advanced sewage treatment, in particular to a novel marine advanced sewage treatment system, which comprises an ash water treatment module, a black and grey water comprehensive treatment module and a reclaimed water recycling module; the requirements of different water using units of the ship on the quality of reclaimed water can be met, the water recycling and zero discharge are realized, the discharged water obtained after the grey water is treated by the pretreatment device and then subjected to nitrogen and phosphorus removal by the main body device is further subjected to advanced treatment, the use amount of the fresh water of the ship is reduced by adopting an integrated biological activated carbon technology, the discharged water becomes the usable reclaimed water, the corrosion to a pipeline can be reduced by using the reclaimed water of the ship as flushing water of a toilet instead of seawater, and the corrosion prevention pressure of a sewage pipeline is reduced; the device can not only save the hold capacity of the ship sewage tank, but also realize the aim of ship sewage full treatment, and can realize high-quality water discharge in a zero-discharge area.
Description
Technical Field
The invention relates to the technical field of advanced sewage treatment, in particular to a novel marine advanced sewage treatment system and a using method thereof.
Background
By definition by the international maritime organization, by marine sanitary sewage is meant any type of toilet and urinal effluents and other waste products; the effluent of wash basins, bath tubs and drainage holes in medical rooms (pharmacies, wards, etc.); a discharge containing a living animal; or other waste water mixed with the effluent defined above. "Grey water" refers to discharged wash water, kitchen sink water, shower water, laundry water, bath water, and wash water, among others.
With the development of shipping industry, the discharge of ship domestic sewage gradually becomes an important cause of water environment pollution and ecological balance destruction. The technical level of ship domestic sewage treatment in China is obviously behind the advanced foreign countries, and is basically in the 'running' stage, and the specific problems are highlighted as follows: the ship domestic sewage treatment device still basically continues to use a single biochemical treatment process, mainly aims at the treatment process of traditional pollutants in ship black water such as fecal sewage, and has low ship grey water treatment efficiency on washing wastewater and the like, the deep treatment requirement for efficiently removing pollutants such as nitrogen and phosphorus is difficult to realize, and effluent is difficult to recycle and needs to be subjected to deep treatment.
Disclosure of Invention
The invention aims to provide a novel marine sewage advanced treatment system to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a novel marine sewage advanced treatment system comprises an ash water treatment module, a black and grey water comprehensive treatment module and a reclaimed water reuse module; the method is characterized in that: the grey water treatment module comprises a grey water collecting pool and an electric heater, the grey water collecting pool is connected with a kitchen grey water collecting pipeline, and a ventilation port is arranged above the grey water collecting pool; one side of the ash water collecting tank is connected with a slag discharge pipeline, the other side of the ash water collecting tank is connected with an oil separation tank, an electric heater is arranged in the ash water collecting tank, and an oil discharge pipe is connected to the oil separation tank; the oil separation tank is connected to the coagulating sedimentation tank, the side edge of the coagulating sedimentation tank is connected with the inclined plate sedimentation tank, the output end of the inclined plate sedimentation tank is connected with a pretreatment water outlet pipeline, and the pretreatment water outlet pipeline is connected to the black ash water comprehensive treatment module;
the comprehensive treatment module for the black grey water comprises a regulating tank, an anoxic tank, an MBBR tank and a secondary sedimentation tank; the pretreatment water outlet pipeline is connected to the regulating tank, the sewage collecting pipeline of the medical room is also connected to the regulating tank, the output end of the regulating tank is connected with a lifting pump, the output end of the lifting pump is connected to an anoxic tank, and the anoxic tank is connected to an MBBR tank; the outlet end of the MBBR tank is connected to a secondary sedimentation tank through a horn mouth, and the bottom of the secondary sedimentation tank is connected with a sludge reflux pump; the upper end of the secondary sedimentation tank is connected with a discharge pipeline, the discharge pipeline is connected with a sampling detection device, and the tail end of the discharge pipeline is connected with a reclaimed water reuse module;
the reclaimed water recycling module comprises an integrated biological activated carbon device, a quartz sand filter column, an ultraviolet sterilizer and a recycling water tank, the tail end of the discharge pipeline is connected to the advanced treatment water inlet tank, and the advanced treatment water inlet tank is connected to the integrated biological activated carbon device; the output pipeline of the integrated biological activated carbon device is connected with a quartz sand filter column, the tail end of a water outlet pipe of the quartz sand filter column is connected with an ultraviolet sterilizer, the output end of the ultraviolet sterilizer is connected to a reuse pipeline, and the tail end of the reuse pipeline is connected to a reuse water pool; and a backwash pump water suction pipe is connected to the reuse water tank, and the tail end of the backwash pump water discharge pipe is connected to the integrated biological activated carbon device.
Preferably, the upper part of the adjusting tank is connected with an air pipe pipeline, a dosing pump is arranged above the coagulating sedimentation tank, and the dosing pump is connected to the cleaning agent storage tank.
Preferably, the tail end of the discharge pipeline is connected to the upper clear liquid distribution area of the two sedimentation tanks.
Preferably, the recycling pipelines are distributed in each water-using area on the ship by adopting a mutually communicated net-shaped structure and are connected with a ship water supply system.
Preferably, a stirring assembly is arranged in the coagulating sedimentation tank.
The invention also provides a using method of the novel marine sewage advanced treatment system, which comprises the following steps:
s1: the kitchen ash water collecting pipeline discharges the kitchen ash water into an ash water collecting pool, the kitchen ash water is primarily precipitated, the kitchen ash water is heated by an electric heater to separate oil from water, and precipitates are discharged from a slag discharging pipeline; then discharging the wastewater into an oil separation tank, standing and precipitating the wastewater, discharging oil stain from an oil discharge pipe, feeding the treated water into a coagulation sedimentation tank, forming flocs by the coagulation reaction of grey water, removing SS (suspended substances) by the precipitation reaction in an inclined plate sedimentation tank, and feeding the supernatant after precipitation into a black grey water comprehensive treatment module through a pretreatment water pipeline;
s2: pretreated kitchen ash water and black ash water in a medical chamber on a ship are discharged into an adjusting tank, the water quality is uniform through the adjusting tank and then discharged into an anoxic tank, organic matters in wastewater are decomposed through anaerobic degradation in the anoxic tank, treated water enters an MBBR tank for treatment, pollutants such as COD (chemical oxygen demand) in the wastewater are removed, the wastewater is filtered and precipitated through a secondary sedimentation tank and then discharged through a discharge pipeline, a sludge reflux pump returns part of sludge to the anoxic tank for nitrogen and phosphorus removal, and redundant sludge is discharged; the discharged treated water passes through a sampling detection device in advance to check whether the treated water meets the discharge requirement;
s3: after the water quality is qualified, the treated water enters a reclaimed water recycling module, is subjected to advanced treatment by an integrated biological activated carbon device and then is filtered by a quartz sand filter column, so that the quality of the discharged water is improved, then enters a recycling pipeline after being sterilized by an ultraviolet sterilizer, the output end of the ultraviolet sterilizer is connected to a recycling pool, and the discharged water is used for later use; the water suction pipe of the backwashing pump is connected into the reuse water tank, and the other end of the water discharge pipe of the backwashing pump is connected to the integrated biological activated carbon device for periodic backwashing.
Compared with the prior art, the invention has the beneficial effects that: the requirements of different water using units of the ship on the quality of reclaimed water can be met, the water recycling and zero discharge are realized, the discharged water obtained after the grey water is treated by the pretreatment device and then subjected to nitrogen and phosphorus removal by the main body device is further subjected to advanced treatment, the use amount of the fresh water of the ship is reduced by adopting an integrated biological activated carbon technology, the discharged water becomes the usable reclaimed water, the corrosion to a pipeline can be reduced by using the reclaimed water of the ship as flushing water of a toilet instead of seawater, and the corrosion prevention pressure of a sewage pipeline is reduced; the device can not only save the hold capacity of the ship sewage tank, but also realize the aim of ship sewage full treatment, and can realize high-quality water discharge in a zero-discharge area.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
In the figure: 1. a grey water treatment module; 11. an ash water collecting tank; 12. a kitchen grey water collection conduit; 13. a ventilation opening; 14. an electric heater; 15. a slag discharge pipeline; 16. pretreating a water outlet pipeline; 17. an oil discharge pipe; 18. an oil separation tank; 19. a coagulating sedimentation tank; 110. a sloping plate sedimentation tank; 2. a black ash water comprehensive treatment module; 21. a regulating tank; 22. a sewage collection pipeline of a medical room; 23. a lift pump; 24. a flocculation tank; 25. a membrane filter; 26. a sludge discharge pipeline; 27. a sludge circulating pump; 28. a secondary sedimentation tank; 29. a discharge conduit; 210. a sampling detection device; 3. a reclaimed water reuse module; 31. deeply treating the water inlet pool; 32. an integrated biological activated carbon device; 33. an output pipe; 34. an ultraviolet sterilizer; 35. a recycling pipeline; 36. a quartz sand filter column; 37. a reuse water tank; 38. the backwash pump outlet pipe.
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.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1, the present invention provides a technical solution: a novel marine sewage advanced treatment system comprises an ash water treatment module 1, a black and grey water comprehensive treatment module 2 and a reclaimed water reuse module 3; the method is characterized in that: the grey water treatment module 1 comprises a grey water collecting tank 11 and an electric heater 14, wherein the grey water collecting tank 11 is connected with a kitchen grey water collecting pipeline 12, and a ventilation port 13 is arranged above the grey water collecting tank 11; one side of the grey water collecting tank 11 is connected with a slag discharge pipeline 15, the other side of the grey water collecting tank 11 is connected with an oil separation tank 18, an electric heater 14 is arranged in the grey water collecting tank 11, and an oil discharge pipe 17 is connected to the oil separation tank 18; the oil separation tank 18 is connected to the coagulating sedimentation tank 19, the side edge of the coagulating sedimentation tank 19 is connected with the inclined plate sedimentation tank 110, the output end of the inclined plate sedimentation tank 110 is connected with the pretreatment water outlet pipeline 16, and the pretreatment water outlet pipeline 16 is connected to the black gray water comprehensive treatment module 2;
the black and gray water comprehensive treatment module 2 comprises a regulating tank 21, an anoxic tank 24, an MBBR tank 25 and a secondary sedimentation tank 28; the pretreatment water outlet pipeline 16 is connected to an adjusting tank 21, a medical room sewage collecting pipeline 22 is also connected to the adjusting tank 21, the output end of the adjusting tank 21 is connected with a lifting pump 23, the output end of the lifting pump 23 is connected to an anoxic tank 24, and the anoxic tank 24 is connected to an MBBR tank 25; the outlet end of the MBBR tank 25 is connected to a secondary sedimentation tank 28 through a bell mouth, and the bottom of the secondary sedimentation tank 28 is connected with a sludge return pump 27; the upper end of the secondary sedimentation tank 28 is connected with a discharge pipeline 29, the discharge pipeline 29 is connected with a sampling detection device 210, and the tail end of the discharge pipeline 29 is connected with the reclaimed water reuse module 3;
the reclaimed water reuse module 3 comprises an integrated biological activated carbon device 32, a quartz sand filter column, an ultraviolet sterilizer 34 and a reuse water tank 36, the tail end of the discharge pipeline 29 is connected to the advanced treatment water inlet tank 31, and the advanced treatment water inlet tank 31 is connected to the integrated biological activated carbon device 32; the output pipeline 33 of the integrated biological activated carbon device 32 is connected with a quartz sand filter column 36, the tail end of a water outlet pipe of the quartz sand filter column 36 is connected with an ultraviolet sterilizer 34, the output end of the ultraviolet sterilizer 34 is connected to a reuse pipeline 35, and the tail end of the reuse pipeline 35 is connected to a reuse water pool 37; the reuse water tank 37 is connected with a backwash water pumping pipe, and the tail end of the backwash water pumping pipe 38 is connected to the integrated biological activated carbon device 32.
Further, an air pipe pipeline is connected above the adjusting tank 21, a dosing pump is arranged above the coagulating sedimentation tank 19, and the dosing pump is connected to the cleaning agent storage tank.
Further, the end of the discharge pipe 29 is connected to the upper clear liquid distribution area of the two sedimentation tanks 28.
Further, the recycling pipeline 35 is distributed in each water-using area of the ship by adopting a mutually communicated net-shaped structure, and is connected with a ship water supply system.
Further, a stirring component is arranged in the coagulating sedimentation tank 19.
The invention also provides a using method of the novel marine sewage advanced treatment system, which comprises the following steps:
s1: the kitchen grey water collecting pipeline 12 discharges the kitchen grey water into the grey water collecting pool 11, the kitchen grey water is primarily precipitated, the kitchen grey water is heated by the electric heater 14 to separate oil from water, and precipitates are discharged from the slag discharging pipeline 15; then the wastewater is discharged into an oil separation tank 18, standing and precipitating are carried out, oil stain is discharged from an oil discharge pipe 17, treated water enters a coagulation sedimentation tank 19, gray water forms floc through coagulation reaction, SS is removed through precipitation reaction in an inclined plate sedimentation tank 110, and supernatant after precipitation enters a black gray water comprehensive treatment module 2 through a pretreatment water pipeline;
s2: pretreated kitchen ash water and black ash water in a medical chamber on a ship are discharged into an adjusting tank 21, the water quality is uniform through the adjusting tank 21 and then discharged into an anoxic tank 24, organic matters in wastewater are decomposed through anaerobic degradation in the anoxic tank 24, the treated water enters an MBBR tank 25 for treatment, pollutants such as COD (chemical oxygen demand) in the wastewater are removed, after filtration and precipitation treatment is carried out through a secondary sedimentation tank 28, supernatant is discharged through a discharge pipeline 29, a sludge reflux pump 27 returns part of sludge to the anoxic tank for nitrogen and phosphorus removal, and redundant sludge is discharged; the discharged treated water passes through a sampling detection device 210 in advance, and whether the treated water meets the discharge requirement is checked;
s3: after the inspection is qualified, the treated water enters the reclaimed water reuse module 3, is subjected to advanced treatment by the integrated biological activated carbon device 32, and is filtered by the quartz sand filter column 36, so that the quality of the discharged water is improved, then the treated water enters the reuse pipeline 35 after being disinfected by the ultraviolet disinfector 34, the output end of the ultraviolet disinfector 34 is connected to the reuse water pool 37, and the discharged water is used for standby; the water outlet pipe of the backwash pump is connected to a reuse water tank 37, and the other end of the backwash pump water outlet pipe 38 is connected to the integrated biological activated carbon device 32 for periodic backwash.
The working principle is as follows: the kitchen grey water collecting pipeline 12 discharges the kitchen grey water into the grey water collecting pool 11, the kitchen grey water is primarily precipitated, the kitchen grey water is heated by the electric heater 14 to separate oil from water, and precipitates are discharged from the slag discharging pipeline 15; then the wastewater is discharged into an oil separation tank 18, standing and precipitating are carried out, oil stain is discharged from an oil discharge pipe 17, treated water enters a coagulation sedimentation tank 19, gray water forms floc through coagulation reaction, SS is removed through precipitation reaction in an inclined plate sedimentation tank 110, and supernatant after precipitation enters a black gray water comprehensive treatment module 2 through a pretreatment water pipeline;
pretreated kitchen ash water and black ash water in a medical chamber on a ship are discharged into an adjusting tank 21, the water quality is uniform through the adjusting tank 21 and then discharged into an anoxic tank 24, organic matters in wastewater are decomposed through anaerobic degradation in the anoxic tank 24, the treated water enters an MBBR tank 25 for treatment, pollutants such as COD (chemical oxygen demand) in the wastewater are removed, after filtration and precipitation treatment is carried out through a secondary sedimentation tank 28, supernatant is discharged through a discharge pipeline 29, a sludge reflux pump 27 returns part of sludge to the anoxic tank for nitrogen and phosphorus removal, and redundant sludge is discharged; the discharged treated water passes through a sampling detection device 210 in advance, and whether the treated water meets the discharge requirement is checked;
after the inspection is qualified, the treated water enters the reclaimed water reuse module 3, is subjected to advanced treatment by the integrated biological activated carbon device 32, and is filtered by the quartz sand filter column 36, so that the quality of the discharged water is improved, then the treated water enters the reuse pipeline 35 after being disinfected by the ultraviolet disinfector 34, the output end of the ultraviolet disinfector 34 is connected to the reuse water pool 37, and the discharged water is used for standby; the water pumping pipe of the backwashing pump is connected into the reuse water tank 37, and the other end of the water pumping pipe 38 of the backwashing pump is connected to the integrated biological activated carbon device 32 for periodic backwashing.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that 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 (6)
1. A novel marine sewage advanced treatment system comprises an ash water treatment module (1), a black and grey water comprehensive treatment module (2) and a reclaimed water reuse module (3); the method is characterized in that: the grey water treatment module (1) comprises a grey water collecting pool (11) and an electric heater (14), the grey water collecting pool (11) is connected with a kitchen grey water collecting pipeline (12), and a ventilation opening (13) is arranged above the grey water collecting pool (11); one side of the grey water collecting tank (11) is connected with a slag discharge pipeline (15), the other side of the grey water collecting tank (11) is connected with an oil separation tank (18), an electric heater (14) is arranged in the grey water collecting tank (11), and an oil discharge pipe (17) is connected to the oil separation tank (18); the oil separation tank (18) is connected to a coagulation sedimentation tank (19), the side edge of the coagulation sedimentation tank (19) is connected with an inclined plate sedimentation tank (110), the output end of the inclined plate sedimentation tank (110) is connected with a pretreatment water outlet pipeline (16), and the pretreatment water outlet pipeline (16) is connected to the black grey water comprehensive treatment module (2);
the comprehensive treatment module (2) for the black grey water comprises a regulating tank (21), an anoxic tank (24), an MBBR tank (25) and a secondary sedimentation tank (28); the pretreatment water outlet pipeline (16) is connected to an adjusting tank (21), a medical room sewage collecting pipeline (22) is also connected to the adjusting tank (21), the output end of the adjusting tank (21) is connected with a lifting pump (23), the output end of the lifting pump (23) is connected to an anoxic tank (24), and the anoxic tank (24) is connected to an MBBR tank (25); the outlet end of the MBBR tank (25) is connected to a secondary sedimentation tank (28) through a bell mouth, and the bottom of the secondary sedimentation tank (28) is connected with a sludge return pump (27); the upper end of the secondary sedimentation tank (28) is connected with a discharge pipeline (29), the discharge pipeline (29) is connected with a sampling detection device (210), and the tail end of the discharge pipeline (29) is connected to the reclaimed water reuse module (3);
the reclaimed water recycling module (3) comprises an integrated biological activated carbon device (32), a quartz sand filter column, an ultraviolet sterilizer (34) and a recycling water tank (36), the tail end of a discharge pipeline (29) is connected to an advanced treatment water inlet pool (31), and the advanced treatment water inlet pool (31) is connected to the integrated biological activated carbon device (32); the output pipeline (33) of the integrated biological activated carbon device (32) is connected with a quartz sand filter column (36), the tail end of a water outlet pipe of the quartz sand filter column (36) is connected with an ultraviolet sterilizer (34), the output end of the ultraviolet sterilizer (34) is connected to a reuse pipeline (35), and the tail end of the reuse pipeline (35) is connected into a reuse water pool (37); the reuse water tank (37) is connected with a backwash pump water suction pipe, and the tail end of the backwash pump water suction pipe (38) is connected to the integrated biological activated carbon device (32).
2. The novel marine advanced wastewater treatment system according to claim 1, characterized in that: the top of the adjusting tank (21) is connected with an air pipe pipeline, the top of the coagulating sedimentation tank (19) is provided with a dosing pump, and the dosing pump is connected to a cleaning agent storage tank.
3. The novel marine advanced wastewater treatment system according to claim 1, characterized in that: the tail end of the discharge pipeline (29) is connected in the supernatant distribution area of the two sedimentation tanks (28).
4. The novel marine advanced wastewater treatment system according to claim 1, characterized in that: the recycling pipelines (35) are distributed in each water-using area on the ship by adopting interconnected net-shaped structures and are connected with a ship water supply system.
5. The novel marine advanced wastewater treatment system according to claim 1, characterized in that: and a stirring component is arranged in the coagulating sedimentation tank (19).
6. The use method of the novel marine advanced sewage treatment system is characterized by comprising the following steps: the method comprises the following steps:
s1: the kitchen grey water collecting pipeline (12) discharges the kitchen grey water into a grey water collecting pool (11), the kitchen grey water is primarily precipitated, an electric heater (14) is used for heating to separate oil from water, and precipitates are discharged from a slag discharging pipeline (15); then the wastewater is discharged into an oil separation tank (18), standing and precipitating are carried out, oil stain is discharged from an oil discharge pipe (17), the treated water enters a coagulation and precipitation tank (19), the grey water forms flocs through coagulation reaction, SS is removed through precipitation reaction in an inclined plate precipitation tank (110), and the supernatant after precipitation enters a black and grey water comprehensive treatment module (2) through a pretreatment water pipeline;
s2: pretreated kitchen grey water and black grey water in a medical chamber on a ship are discharged into an adjusting tank (21), the water quality is uniform through the adjusting tank (21) and then discharged into an anoxic tank (24), organic matters in the wastewater are decomposed through anaerobic degradation in the anoxic tank (24), treated water enters an MBBR tank (25) for treatment, pollutants such as COD (chemical oxygen demand) in sewage are removed, after filtration and precipitation treatment is carried out through a secondary sedimentation tank (28), supernatant is discharged through a discharge pipeline (29), a sludge reflux pump (27) returns part of sludge to the anoxic tank for nitrogen and phosphorus removal, and redundant sludge is discharged; the discharged treated water passes through a sampling detection device (210) in advance, and whether the treated water meets the discharge requirement is checked;
s3: after the inspection is qualified, the treated water enters a reclaimed water recycling module (3), is subjected to advanced treatment by an integrated biological activated carbon device (32) and then is filtered by a quartz sand filter column (36), so that the quality of the discharged water is improved, then enters a recycling pipeline (35) after being sterilized by an ultraviolet sterilizer (34), the output end of the ultraviolet sterilizer (34) is connected to a recycling water pool (37), and the discharged water is used for standby; the water pumping pipe of the backwashing pump is connected into a reuse water tank (37), and the other end of the water pumping pipe (38) of the backwashing pump is connected to an integrated biological activated carbon device (32) for periodic backwashing.
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Inventor after: Shen Bo Inventor after: Gu Chaochao Inventor after: Zhang Hanbing Inventor after: Zhang Zheng Inventor after: Han Zhenbo Inventor after: Cai Zhiping Inventor after: Wang Jirong Inventor before: Shen Bo Inventor before: Gu Chaochao Inventor before: Zhang Hanbing Inventor before: Zhang Zheng Inventor before: Han Zhenbo Inventor before: Cai Zhiping Inventor before: Wang Jirong |
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Application publication date: 20201110 |