CN108946862A - A kind of landscape water water treatment technology - Google Patents

A kind of landscape water water treatment technology Download PDF

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Publication number
CN108946862A
CN108946862A CN201810812157.2A CN201810812157A CN108946862A CN 108946862 A CN108946862 A CN 108946862A CN 201810812157 A CN201810812157 A CN 201810812157A CN 108946862 A CN108946862 A CN 108946862A
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China
Prior art keywords
water
floor tile
photoresponse
power supply
landscape
Prior art date
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Application number
CN201810812157.2A
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Chinese (zh)
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CN108946862B (en
Inventor
梅玮菁
武涛
张攀峰
徐建
郏新宇
韩慧
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Jiangsu Australian Eco Garden Ltd By Share Ltd
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Jiangsu Australian Eco Garden Ltd By Share Ltd
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Priority to CN201810812157.2A priority Critical patent/CN108946862B/en
Publication of CN108946862A publication Critical patent/CN108946862A/en
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Classifications

    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/30Treatment of water, waste water, or sewage by irradiation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/28Treatment of water, waste water, or sewage by sorption
    • C02F1/281Treatment of water, waste water, or sewage by sorption using inorganic sorbents
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/46104Devices therefor; Their operating or servicing
    • C02F1/46176Galvanic cells
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/463Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrocoagulation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/46Treatment of water, waste water, or sewage by electrochemical methods
    • C02F1/461Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
    • C02F1/467Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
    • C02F1/4672Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/72Treatment of water, waste water, or sewage by oxidation
    • C02F1/725Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2103/00Nature of the water, waste water, sewage or sludge to be treated
    • C02F2103/001Runoff or storm water

Abstract

The present invention devises a kind of landscape water water treatment technology.Due to generating a large amount of pollutions in city, the storm runoff generated after rainfall is huge, immense pressure is brought to city river, landscape water body etc., in order to solve this problem, the technique combination solar energy photocatalytic, photovoltaic power generation technology carry out in-situ treatment to city surface source pollution, the pollution level of rainwash is greatly lowered, to realize the reduction of landscape water pollution degree.Wherein, photoresponse floor tile is set, so that generating photocatalytic effect after rainwater landing in shallow-layer water distribution, and photovoltaic power generation apparatus is arranged, solving its defect for being unable to sustainable utilization solar energy in rainy days or night, provide a kind of new way for city water process.

Description

A kind of landscape water water treatment technology
Technical field
The present invention relates to water treatment fields, relate in particular to a kind of landscape water water treatment technology.
Background technique
As the improvement of people's living standards, having higher requirement to quality of the life, many problems are brought therewith, In, people bring serious pollution, and many pollutions during urban activity, to zone of action such as square, sidewalk, parking lots Object difficulty, just with rainfall, is brought into city appearance water body before no degradation, therefore, black smellyization of city river, landscape water body Seriously, periphery surface water and groundwater is caused seriously to pollute.The pollutant that the waterproof underlying surface of urban surface is accumulated in fine day Matter (sand grain object, nitrogen and phosphorus element, heavy metal, organic pollutant etc.) in the washing away of rainfall and rainwash, conveys work City overland runoff pollution of area source is just formd under, is transferred into rain drainage pipe with runoff, is made receiving water body water Matter deteriorates.Research both domestic and external has shown that city overland runoff has become the second largest water body non point source of pollution for being only second to agricultural runoff, It is also the second largest city Pollutant Source in Aquatic Environment in addition to city domestic sewage and industrial wastewater.How city surface source is effectively reduced Pollution, solves the problems, such as that city appearance water body is black smelly just at an important topic.
Summary of the invention
Solar energy, which can be efficiently used, the purpose of the present invention is to provide one kind reduces rainwash pollutant concentration Water treatment technology, mainly use sunlight catalytic and solar power generation electrocatalysis to improve polluted-water processing effect Rate, this method are directed to current city sewage, rainwater runoff treatment low SI, the increasingly serious problem of pollution of area source, sheet Invention proposes a kind for the treatment of process that can reduce landscape water pollution degree in situ, and technique construction is low with operating cost, Operation and maintenance are easy, while can be effectively reduced pollutant concentration in urban rainwater, reduce pollution sources concentration, meanwhile, it utilizes Riverbank or landscape water body circular treatment technology reduce the pollutant concentration in river or landscape water body, and then realize urban landscape Water body purification.
To achieve the goals above, the present invention uses following technical measures:
1) floor tile is laid in sidewalk, square, riverbank laying area or open-air parking position;
2) after droping to floor tile photoelectrocatalysis reaction, subsequent rainwater conflux to collection system occur for rainwater;
3) water that collection system is collected is detected, when water quality reaching standard, landscape water body is directly discharged into, if water quality does not reach Mark, then be passed through next step conventional water treatment process and handled, be discharged into landscape water body after up to standard, when water quality of landscape water is not up to standard When, it is drained by return-flow system and is equipped with the region of photoresponse floor tile and is handled, be then recycled back in landscape water body, see Fig. 1.
Further, the photoresponse floor tile, which is utilized in, is added additive when preparing water-permeable brick, the additive be iron, Carbon, titanium dioxide, copper and aluminium, wherein its additive amount is the 2-5% of the water-permeable brick weight;Iron is 30- in the additive 40% (parts by weight), carbon are 30-40% (parts by weight), and titanium dioxide 10-15% (parts by weight), copper 5-10% (parts by weight) are remaining Amount is aluminium.The titanium dioxide be containing Titanium slag, it is described containing Titanium slag be ilmenite concentrate, high titanium slag, climb steel slag, hold steel slag etc.;
Further, the additive is weighed according to dosage, and carbon, copper, aluminium are put into progress ball milling 30- in ball mill Then 180min adds iron and continues ball milling 60-120min, takes out, obtain iron carbon mixture;Take titanium dioxide to be crushed, Above-mentioned iron carbon mixture is added ball mill, carries out ball milling 30-60min by ball milling, and be sieved 500-200 mesh standard sieve, by sieved object Mixture heated, 2h is heated at 800-1000 DEG C, it is final then with 200-250 DEG C/h uniform decrease in temperature to room temperature To additive.
Concave surface is arranged in photoresponse floor tile upper surface, and rainwater is allowed to be resident the long period, and rainwater can be with after the sun shines again after the rain Continue to generate photocatalysis, and Photoinduction device is arranged on concave surface, so that power supply system is triggered when rainwater is deeper, it is lasting to supply Electricity carries out the degradation of pollutant.
Further, it is additionally provided with photovoltaic power generation apparatus, carries out power collection, is photoresponse floor tile in rainy days or night Power supply, in this way can the continual removal for carrying out pollutant to water body using solar energy, under fine day state, after sunlight irradiation Light-catalyzed reaction is generated, iron, carbon, copper, the aluminium in floor tile generate photoelectrocatalysis effect under the action of photoelectron, strongly degrade/ Remove the pollutant in polluted-water;And in order to prevent cloudy day or night photoelectrocatalysis event resolves, be arranged photovoltaic power generation apparatus Electric energy is collected, is powered under night or cloudy state for floor tile, is realized electrocatalytic oxidation under low-voltage effect, go in water removal Pollutant;
Electrode is set in the photoresponse floor tile, and the electrode is cathode and anode, and the cathode is one or more, institute Anode is stated as one or more;
The photovoltaic power generation apparatus is arranged outside floor tile, by the power storage of conversion in power supply system, and by leading Line supplies cathode and Anode power;The power supply system connects external power supply, and the external power supply is battery or municipal electricity consumption;
Further, Photoinduction device is set, when external sunlight meets photocatalysis condition, signal passes to controller, Controller closes power supply system, and when external sunlight intensity is low, does not meet photocatalysis condition, signal passes to controller, control Device opens power supply system,
Further, photovoltaic power generation apparatus is arranged in photoresponse tile surface partial region;Every piece of floor tile is one only Erection system can solve space, improve utilization efficiency and construction efficiency.
Compared with prior art, the invention has the characteristics that:
1) photoresponse ground tile paving is used, in this way under sunlight irradiation, photocatalysis occurs for floor tile, so that in rainwater Pollutant reduces, to reduce landscape water body pollution of waterhead degree;
2) addition contains Titanium slag, iron, carbon, copper and aluminium in common water-permeable brick in photoresponse floor tile;In iron, carbon, copper, aluminium Under the action of, the small battery of uniform potential is formed, is formed between the particles such as iron-carbon, copper-carbon, iron/copper there is potential difference Numerous subtle primary battery, meanwhile, titanium dioxide generates electron transition under sunlight irradiation, forms multi-level collaborative effect, bright The aobvious contaminant degradation efficiency that improves generates photocatalytic effect in shallow-layer water distribution after rainwater landing;
3) setting photovoltaic power generation apparatus carries out power collection, in the irradiation of no sunlight, supplies electric power for photoresponse floor tile, Electro-catalysis system is formed, realizes efficient degradation pollutant;And city surface source pollution can directly be located with in-situ treatment contaminated rain water Reason solves its defect that sustainable utilization solar energy is unable in rainy days or night, provides a kind of new way for city water process Diameter;
4) titanium-containing waste residues are taken full advantage of, it is creative that its catalytic action is used for rainwater treatment, so that a large amount of waste residues obtain With waste utilization, the laying of photoresponse floor tile significantly improves Rainwater Quality, reduces the pollution risk in lake river;
5) iron in floor tile, carbon, copper, aluminium generate photoelectrocatalysis effect under the action of photoelectron, and strongly degrading/going decontaminates The pollutant in water body is contaminated, while iron, aluminium form wadding body absorption heavy metal and hardly degraded organic substance, and pollutant is fixed.
Detailed description of the invention
Fig. 1 is photoresponse floor tile schematic diagram;
Fig. 2 is landscape water water treatment technology schematic diagram
Fig. 3 is water circulation craft schematic diagram.
Specific embodiment
Embodiment 1:
A kind of landscape water water treatment technology in the present embodiment is laid with photoresponse floor tile, rainwater in certain urban small square It drop to after floor tile and photoelectrocatalysis reaction occurs, subsequent rainwater conflux to collection system, it is not up to standard to detect the water quality being collected into, will The rainwater that collection system is collected, which is passed through after next step conventional water treatment process is further processed, is discharged into landscape water body;
The photoresponse floor tile, which is utilized in, is added additive when preparing water-permeable brick, the additive is iron, carbon, titanium dioxide Titanium, copper and aluminium, wherein its additive amount is the 3% of the water-permeable brick weight;Iron is 30% (parts by weight) in the additive, and carbon is 35% (parts by weight), titanium dioxide 11% (parts by weight), copper 6% (parts by weight), surplus is aluminium.The titanium dioxide is containing titanium ore Slag, the photovoltaic power generation apparatus is arranged outside floor tile, by the power storage of conversion in power supply system, and is supplied by conducting wire Cathode and Anode power;The power supply system connects external power supply, and the external power supply is battery or municipal electricity consumption.
Collect that treated that rainwater is compared with common floor tile by photoresponse floor tile:
The project indicator Photoresponse floor tile Common floor tile
BOD5(mg/L) 30 123
Ammonia nitrogen (mg/L) 5.8 13.5
Embodiment 2:
On the basis of embodiment 1, it improves, Photoinduction device is set, Fig. 2 is seen, when external sunlight meets photocatalysis When condition, signal passes to controller, and controller closes power supply system, when external sunlight intensity is low, does not meet photocatalysis condition When, signal passes to controller, and controller opens power supply system.
Embodiment 3:
It on the basis of embodiment 2, improves, concave surface is arranged in photoresponse floor tile upper surface, and rainwater is resident Long period, rainwater can continue to generate photocatalysis after the sun shines again after the rain, and Photoinduction device is arranged in concave surface, so that rainwater Power supply system is triggered when deeper, continued power carries out the degradation of pollutant.
Embodiment 4:
On the basis of embodiment 3, improving, photovoltaic power generation apparatus is arranged in photoresponse tile surface partial region, See Fig. 1;Every piece of floor tile is an autonomous system, can solve space, improves utilization efficiency and construction efficiency.
Embodiment 5:
On the basis of embodiment 4, it is laid with photoresponse floor tile in the riverbank laying area of polluted river channel or landscape water body, sees figure 3, in rainfall, when rainwash confluence passes through photoresponse floor tile when flowing into river or landscape water body, rainwater pollution can be reduced Object concentration;
When no runoff imports, the circulator being arranged in river or landscape water body is opened, and be arranged in water outlet Horizontal overflow weir makes river water be evenly arranged on riverbank laying area and is back in river and/or landscape water body, sufficiently located to water body Reason.It is detected, being laid with pollutant concentration in the region rainwash of photoresponse floor tile significantly reduces.It realizes to area source pollutants The purpose of in-situ treatment.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this hair Bright to be described in detail, those skilled in the art can modify to technical solution of the present invention or equally replace It changes, without departing from the objective and range of technical solution of the present invention, is intended to be within the scope of the claims of the invention.

Claims (5)

1. a kind of landscape water water treatment technology, which comprises the steps of:
1) it is laid with floor tile in sidewalk, square, riverbank laying area or open-air parking position, the floor tile is photoresponse floor tile;
2) after droping to photoresponse floor tile photoelectrocatalysis reaction, subsequent rainwater conflux to collection system occur for rainwater;Additionally set It is equipped with photovoltaic power generation apparatus and carries out power collection, be the power supply of photoresponse floor tile in rainy days or night, it is real under low-voltage effect Existing electrocatalytic oxidation, removes the pollutant in water removal;Under fine day state, generation photocatalysis is anti-after photoresponse floor tile after sunlight irradiation It answers, the iron, carbon, copper, aluminium in floor tile generate photoelectrocatalysis effect, strength degradation/removal polluted-water under the action of photoelectron In pollutant;
3) water that collection system is collected is detected, when water quality reaching standard, is directly discharged into landscape water body, if water quality is not up to standard, It is passed through next step conventional water treatment process to be handled, is discharged into landscape water body after up to standard;When water quality of landscape water is not up to standard, lead to It crosses return-flow system and is drained into and be equipped with the region of photoresponse floor tile and handled, be then recycled back in landscape water body;
The photoresponse floor tile, which is utilized in, is added additive when preparing water-permeable brick, the additive be iron, carbon, titanium dioxide, Copper and aluminium, wherein its additive amount is the 2-5% of the water-permeable brick weight;Iron is 30-40% (parts by weight), carbon in the additive For 30-40% (parts by weight), titanium dioxide 10-15% (parts by weight), copper 5-10% (parts by weight), surplus is aluminium, and the light is rung It answers and electrode is set in floor tile, the electrode is cathode and anode.
2. technique as described in claim 1, it is characterised in that: the photovoltaic power generation apparatus is arranged outside floor tile, will convert Power storage in power supply system, and pass through conducting wire and supply cathode and Anode power;The power supply system connects external power supply, The external power supply is battery or municipal electricity consumption.
3. technique as described in claim 1, it is characterised in that: also set up Photoinduction device and carry out photoinduction control, work as outside When sunlight meets photocatalysis condition, signal passes to controller, and controller closes power supply system, when external sunlight intensity is low, no When meeting photocatalysis condition, signal passes to controller, and controller opens power supply system.
4. technique as claimed in claim 2 or claim 3, it is characterised in that: photovoltaic power generation apparatus and Photoinduction device are arranged at light Respond floor tile upper surface portion region;Every piece of floor tile is an autonomous system.
5. technique as claimed in claim 1 or 3, it is characterised in that: by the photoresponse ground tile paving in polluted river channel or scape The riverbank laying area of water body is seen, and circulator is set, and overflow weir is set in water outlet, river water is made to be evenly arranged on riverbank laying area After be back in river.
CN201810812157.2A 2018-07-23 2018-07-23 Landscape water treatment process Active CN108946862B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201810812157.2A CN108946862B (en) 2018-07-23 2018-07-23 Landscape water treatment process

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CN108946862B CN108946862B (en) 2021-03-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110330140A (en) * 2019-07-09 2019-10-15 天津生态城市政景观有限公司 Saline and alkaline region water pollution improvement and system for regenerating and recycling and method
CN114133076A (en) * 2021-10-28 2022-03-04 上海市机电设计研究院有限公司 High-density sedimentation system for small-sized sewage treatment equipment and control method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010064045A (en) * 2008-09-12 2010-03-25 Kanagawa Acad Of Sci & Technol Hybrid type water purifying apparatus and water purifying method using the same
CN105130004A (en) * 2015-09-30 2015-12-09 河海大学 Multi-layer seepage type photocatalysis and ecological purification coupled bank revetment
CN106545074A (en) * 2016-10-31 2017-03-29 河海大学 A kind of photocatalysis catch-basin
CN106938199A (en) * 2017-02-27 2017-07-11 河海大学 A kind of visible light-responded photocatalysis porous brick

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010064045A (en) * 2008-09-12 2010-03-25 Kanagawa Acad Of Sci & Technol Hybrid type water purifying apparatus and water purifying method using the same
CN105130004A (en) * 2015-09-30 2015-12-09 河海大学 Multi-layer seepage type photocatalysis and ecological purification coupled bank revetment
CN106545074A (en) * 2016-10-31 2017-03-29 河海大学 A kind of photocatalysis catch-basin
CN106938199A (en) * 2017-02-27 2017-07-11 河海大学 A kind of visible light-responded photocatalysis porous brick

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110330140A (en) * 2019-07-09 2019-10-15 天津生态城市政景观有限公司 Saline and alkaline region water pollution improvement and system for regenerating and recycling and method
CN110330140B (en) * 2019-07-09 2023-08-25 天津生态城市政景观有限公司 System and method for treating, regenerating and recycling water pollution in saline-alkali area
CN114133076A (en) * 2021-10-28 2022-03-04 上海市机电设计研究院有限公司 High-density sedimentation system for small-sized sewage treatment equipment and control method thereof
CN114133076B (en) * 2021-10-28 2024-03-29 上海市机电设计研究院有限公司 High-density sedimentation system for small sewage treatment equipment and control method thereof

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Inventor after: Mei Weijing

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