CN105481127A - System for treating cultivation recycled-water through electrolysis-ultraviolet combination - Google Patents
System for treating cultivation recycled-water through electrolysis-ultraviolet combination Download PDFInfo
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- CN105481127A CN105481127A CN201610007775.0A CN201610007775A CN105481127A CN 105481127 A CN105481127 A CN 105481127A CN 201610007775 A CN201610007775 A CN 201610007775A CN 105481127 A CN105481127 A CN 105481127A
- Authority
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- Prior art keywords
- water
- electrolysis
- ultraviolet
- enters
- urceolus
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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 86
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 30
- 238000005868 electrolysis reaction Methods 0.000 claims abstract description 19
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 28
- 230000008569 process Effects 0.000 claims description 26
- 238000012258 culturing Methods 0.000 claims description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000006004 Quartz sand Substances 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000004064 recycling Methods 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract description 9
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 9
- 239000000460 chlorine Substances 0.000 abstract description 8
- 229910052801 chlorine Inorganic materials 0.000 abstract description 7
- 230000001954 sterilising effect Effects 0.000 abstract description 7
- 238000009360 aquaculture Methods 0.000 abstract description 6
- 244000144974 aquaculture Species 0.000 abstract description 6
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 abstract description 3
- 230000003139 buffering effect Effects 0.000 abstract 3
- 230000003134 recirculating effect Effects 0.000 abstract 1
- 238000005070 sampling Methods 0.000 description 6
- -1 hydroxyl radical free radical Chemical class 0.000 description 4
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 3
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000006056 electrooxidation reaction Methods 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 description 1
- 241000276707 Tilapia Species 0.000 description 1
- 206010052428 Wound Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000721 bacterilogical effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000007886 mutagenicity Effects 0.000 description 1
- 231100000299 mutagenicity Toxicity 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002351 wastewater Substances 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/30—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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/12—Halogens or halogen-containing compounds
Landscapes
- 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)
- Physical Water Treatments (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention discloses a system for treating cultivation recycled-water through electrolysis-ultraviolet combination. The system comprises a cultivation pond, a vortex separator, an electrolysis groove, a buffering groove and an activated carbon processor; part of outlet water of the cultivation pond generated after solid-liquid separation of the vortex separator enters the electrolysis groove to be subjected to electrolysis-ultraviolet combined treatment, the other part outlet water directly enters the buffering groove, water in the buffering groove passes through a circulating water pump and then enters the activated carbon processor, and finally outlet water of the activated carbon processor flows back to the cultivation pond. According to the system, designed electrolysis-ultraviolet combined water treatment equipment can raise the removal rate of ammonia nitrogen and COD, the concentration of residual chlorine in water is lowered, sterilization is conducted thoroughly, influence of the water turbidity is avoided, and new water treatment technology is expected to be provided for recirculating aquaculture.
Description
Technical field
The present invention relates to a kind for the treatment of system cultivating recirculated water, particularly relate to the system and method for a kind of electrolysis-ultraviolet joint process cultivation recirculated water.
Background technology
In recent years, culture fishery fast development under the drive of Economic development, aquaculture industry scale constantly expands, and output increases year by year, achieves huge economic benefit, has made outstanding contributions for uplifting the people's living standard.But the living environment of the waste water produced in the aquaculture process also serious threat periphery masses, take place frequently environmental pollution accident simultaneously.At present, conventional in recirculated water sterilization mode mainly ozone and ultraviolet.Though ultra-violet sterilization has install simple, convenient management, sterilization the speed soon and not advantage such as polluted water, but the shortcoming of also depositing both ways: is that the yield of radiation of quartz burner constantly declines with the prolongation of duration of service, and ultraviolet-sterilization is subject to water turbidity impact; Two is that its disinfection ability is relevant with radiated time and intensity, when or irradiation dose too fast by the flow velocity of system do not reach require time, process water is after leaving reactor, and some can be repaired the DNA molecular of damage by the microorganism that ultraviolet kills and wounds under photoreactivation mechanism, make bacteriological aftergrowth.And ozone sterilization also to there is cost of equipment high, the problems such as usage quantity is wayward.Therefore, proposing a kind of new method, to solve water sterilization in circulating water cultivation process be very necessary.
Electrochemical oxidation process, as the one of high-level oxidation technology, utilizes the organic pollutant in the noble potential of anode and catalytic activity direct oxidation water, or produces the pollutent in the strong oxidizer degradation water such as hydroxyl radical free radical, efficiently kills the microorganism in water body simultaneously.Research shows, the water sample containing finite concentration chlorine residue is directly entered water body, is no matter that the chlorine residue of chemical combination or free property causes larger toxic effect to fish and hydrobiont.The residual chlorine amount of water sample is larger, and mutagenicity is stronger, and even the health of chlorine to people also has harm.
When in electrochemical oxidation process to produce contents of residual chlorine higher, gac aftertreatment is volume required larger comparatively speaking, and difficulty is higher.And hypochlorous acid can resolve into hydroxyl radical free radical and chlorine radical when ultraviolet wavelength 200-400nm:
HOCl+hγ→·OH+·Cl
And UV/H
2o
2compare, direct photochemical catalysis can improve the formation efficiency of hydroxyl radical free radical containing the aqueous solution of free chlorine (UV/HOCl), thus produces chlorine radical simultaneously, and hydroxyl radical free radical and chlorine freely can fast automaticly decompose, and reduces change of water quality.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, the system of a kind of electrolysis-ultraviolet joint process cultivation recirculated water is provided.
The system of electrolysis of the present invention-ultraviolet joint process cultivation recirculated water, comprises culturing pool, vortex separator, electrolyzer, dashpot, activated carbon treatment device; The water outlet of culturing pool is carried out a liquid part after solid-liquid separation through vortex separator and is directly entered dashpot, another part enters electrolyzer and carries out electrolysis and ultraviolet joint process, after process, water outlet enters dashpot, water in dashpot enters activated carbon treatment device through water circulating pump, and the effluent recycling after activated carbon treatment device filters forms circulation to culturing pool.
In such scheme, described electrolyzer comprise urceolus and to be located in urceolus and height lower than the inner core of urceolus, in inner core, be provided with the water inlet pipe stretched into bottom inner core, on water inlet pipe, cover has two panels electrode slice, between inner core and urceolus, be provided with two ultraviolet lamp tubes, bottom urceolus, be provided with water outlet; A part of water outlet of vortex separator enters inner core through water inlet pipe and carries out electrolysis, and after electrolysis, water body is spilled in urceolus from inner core top, and after ultraviolet process, water body flows out from water outlet and enters dashpot.
The ratio that the water outlet of described vortex separator directly enters electrolyzer and directly enters dashpot is 1:1 ~ 1:2.
Described electrode slice is rectangle, is of a size of 25cm × 15cm, and material is titanium base platinum electrode.
The power of described ultraviolet lamp tube is 5W, ultraviolet wavelength is 254nm.
In described activated charcoal filter, bottom is the quartz sand of thickness 20cm, quartz sand is the seed activity layer of charcoal of thickness 90cm.
Beneficial effect of the present invention is: the electrolysis designed by the present invention-ultraviolet joint water treating equipment can improve the removal speed of ammonia nitrogen and COD, reduce water body residual chlorine concentration, sterilization is thorough, not by the impact of water turbidity, to providing new High-efficient Water treatment technology in circulating water cultivation.
Accompanying drawing explanation
Fig. 1 is the structural representation of present system;
Fig. 2 is the structural representation of electrolyzer in present system.
Embodiment
With reference to Fig. 1, the system of electrolysis of the present invention-ultraviolet joint process cultivation recirculated water, comprises culturing pool 1, vortex separator 2, electrolyzer 3, dashpot 4, activated carbon treatment device 5; Water outlet liquid part after vortex separator 2 carries out solid-liquid separation of culturing pool 1 directly enters dashpot 4, another part enters electrolyzer 3 and carries out electrolysis and ultraviolet joint process, after process, water outlet enters dashpot 4, water in dashpot 4 enters activated carbon treatment device 5 through water circulating pump, and the effluent recycling after activated carbon treatment device 5 filters forms circulation to culturing pool 1.
As shown in Figure 2, described electrolyzer 3 comprise urceolus 13 and to be located in urceolus and height lower than the inner core 12 of urceolus, the water inlet pipe 6 stretched into bottom inner core is provided with in inner core 12, on water inlet pipe 6, cover has two panels electrode slice 10,11, between inner core 12 and urceolus 13, be provided with two ultraviolet lamp tubes 8,9, bottom urceolus 13, be provided with water outlet 7; A part of water outlet of vortex separator 2 enters inner core 12 through water inlet pipe 6 and carries out electrolysis, and after electrolysis, water body is spilled in urceolus 13 from inner core 12 top, and after ultraviolet process, water body flows out from water outlet 7 and enters dashpot 4.
Adopt system of the present invention to process aquaculture water, aquaculture water salinity is 25 ‰, and circulation velocity is 600L/h, and cultivation object is the tilapia through seawater acclimation, and cultivation density is 15kg/m
3, initial ammonia nitrogen concentration is 2.17mg/L, and nitrite nitrogen concentration is 0.3mg/L, and initial total colony number is 10
5cfu/100mL, the aquaculture water ratio entering electrolyzer 3 and directly enter dashpot 4 is 1:2, and electrode slice adopts rectangle titanium base platinum electrode, and be of a size of 25cm × 15cm, electrolytic current density is 100A/m
2ultraviolet lamp (5W) is in opened condition always, 5 sampling spots are set in whole system, 1, No. 2 sampling spots are positioned at culturing pool, No. 3 sampling spots are positioned at the water outlet of electrolyzer 3, No. 4 sampling spots are positioned at the water outlet of dashpot 4, and No. 5 sampling spots are located at activated carbon treatment device 5 water outlet, and situation is as follows over time for each sampling spot water quality parameter:
Claims (6)
1. a system for electrolysis-ultraviolet joint process cultivation recirculated water, is characterized in that: this system comprises culturing pool (1), vortex separator (2), electrolyzer (3), dashpot (4), activated carbon treatment device (5); Water outlet liquid part after vortex separator (2) carries out solid-liquid separation of culturing pool (1) directly enters dashpot (4), another part enters electrolyzer (3) and carries out electrolysis and ultraviolet joint process, after process, water outlet enters dashpot (4), water in dashpot (4) enters activated carbon treatment device (5) after water circulating pump, and the effluent recycling after activated carbon treatment device (5) filters forms circulation to culturing pool (1).
2. the system of electrolysis according to claim 1-ultraviolet joint process cultivation recirculated water, it is characterized in that: described electrolyzer (3) comprise urceolus (13) and to be located in urceolus and height lower than the inner core (12) of urceolus, the water inlet pipe (6) stretched into bottom inner core is provided with in inner core (12), two panels electrode slice (10,11) is had at the upper cover of water inlet pipe (6), between inner core (12) and urceolus (13), be provided with two ultraviolet lamp tubes (8,9), be provided with water outlet (7) in urceolus (13) bottom; A part of water outlet of vortex separator (2) enters inner core (12) through water inlet pipe (6) and carries out electrolysis, after electrolysis, water body is spilled in urceolus (13) from inner core (12) top, and after ultraviolet process, water body flows out from water outlet (7) and enters dashpot (4).
3. the system of electrolysis according to claim 1-ultraviolet joint process cultivation recirculated water, is characterized in that: the ratio that the water outlet of described vortex separator (2) directly enters electrolyzer (3) and directly enters dashpot (4) is 1:1 ~ 1:2.
4. the system of electrolysis according to claim 1-ultraviolet joint process cultivation recirculated water, is characterized in that: described electrode slice (10,11) is rectangle, is of a size of 25cm × 15cm, and material is titanium base platinum electrode.
5. the system of electrolysis according to claim 1-ultraviolet joint process cultivation recirculated water, is characterized in that: described ultraviolet lamp tube (8,9) power is 5W, and ultraviolet wavelength is 254nm.
6. the system of electrolysis according to claim 1-ultraviolet joint process cultivation recirculated water, is characterized in that: in described activated charcoal filter (6), bottom is the quartz sand of thickness 20cm, quartz sand is the seed activity layer of charcoal of thickness 90cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007775.0A CN105481127B (en) | 2016-01-05 | 2016-01-05 | A kind of system for being electrolysed ultraviolet joint processing cultivation recirculated water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610007775.0A CN105481127B (en) | 2016-01-05 | 2016-01-05 | A kind of system for being electrolysed ultraviolet joint processing cultivation recirculated water |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105481127A true CN105481127A (en) | 2016-04-13 |
| CN105481127B CN105481127B (en) | 2017-11-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610007775.0A Active CN105481127B (en) | 2016-01-05 | 2016-01-05 | A kind of system for being electrolysed ultraviolet joint processing cultivation recirculated water |
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| Country | Link |
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| CN (1) | CN105481127B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110330166A (en) * | 2019-07-18 | 2019-10-15 | 华北水利水电大学 | A kind of high-efficiency environment friendly industrial wastewater treatment system |
| CN111233224A (en) * | 2019-12-30 | 2020-06-05 | 南开大学 | Treatment method for simultaneously removing nitrogen, phosphorus and antibiotics in mariculture wastewater and sterilizing |
| CN113754047A (en) * | 2021-09-29 | 2021-12-07 | 浙江大学 | Nitration and denitrification integrated water treatment system |
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| JP2003158953A (en) * | 2001-11-27 | 2003-06-03 | Rikujo Yoshoku Kogaku Kenkyusho:Kk | Circulating aquaculture system |
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| CN204579514U (en) * | 2015-04-22 | 2015-08-26 | 金贝尔(福建)水环境工程有限公司 | Vortex equipment for separating liquid from solid in a kind of closed circulation water cultivating system |
| CN204682213U (en) * | 2015-05-11 | 2015-10-07 | 厦门佳楠科技有限公司 | Based on factory's aquaculture water treatment system of electrolysis tech |
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| JP2003158953A (en) * | 2001-11-27 | 2003-06-03 | Rikujo Yoshoku Kogaku Kenkyusho:Kk | Circulating aquaculture system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110330166A (en) * | 2019-07-18 | 2019-10-15 | 华北水利水电大学 | A kind of high-efficiency environment friendly industrial wastewater treatment system |
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| CN111233224A (en) * | 2019-12-30 | 2020-06-05 | 南开大学 | Treatment method for simultaneously removing nitrogen, phosphorus and antibiotics in mariculture wastewater and sterilizing |
| CN113754047A (en) * | 2021-09-29 | 2021-12-07 | 浙江大学 | Nitration and denitrification integrated water treatment system |
| CN113754047B (en) * | 2021-09-29 | 2022-12-30 | 浙江大学 | Nitration and denitrification integrated water treatment system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105481127B (en) | 2017-11-14 |
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