CN105000762B - The method of river water body pollutant fluxes and water correction - Google Patents

The method of river water body pollutant fluxes and water correction Download PDF

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Publication number
CN105000762B
CN105000762B CN201510518940.4A CN201510518940A CN105000762B CN 105000762 B CN105000762 B CN 105000762B CN 201510518940 A CN201510518940 A CN 201510518940A CN 105000762 B CN105000762 B CN 105000762B
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water
river
energy
river course
saving filtering
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CN105000762A (en
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姚立荣
程寒飞
张鑫珩
詹茂华
冯植飞
刘通
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Alex Hua Tian (Anhui) energy saving and Environmental Protection Research Institute Co Ltd
Huatian Engineering and Technology Corp MCC
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Alex Hua Tian (anhui) Energy Saving And Environmental Protection Research Institute Co Ltd
Huatian Engineering and Technology Corp MCC
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Abstract

A kind of method that the present invention discloses river water body pollutant fluxes and water correction, including river course to be administered is carried out into subsection setup overfall dam on request, water body to be administered in river course is promoted to the energy-saving filtering device and underflow type artificial wet land for being arranged at bank with pump, while being handled in river course using the integrated molten gas dialysis machine of ultra micro river water body.

Description

The method of river water body pollutant fluxes and water correction
Technical field
The invention belongs to environment project category, and in particular to a kind of river water body pollutant fluxes and water correction Method.
Background technology
Construction and industrial expansion with city, while again because of old city infrastructure imperfection, urban pipe network is built If delayed, rain dirt shunting is not thorough etc., cause substantial amounts of industrial wastewater, sanitary sewage, early-stage rainwater, house refuse, building rubbish The pollutants such as rubbish, humic vegetation, agricultural area source pour in river course, and river course accumulates over a long period into the dirty container of receiving of stain disease and causes river Road ecosystem heavy damage, self-purification function is difficult to recover.According to statistics, the river course of China more than 80% is contaminated for a long time, its In it is many even occur in that seasonal and perennially black and odorous water phenomenon, cause the forfeiture of water ecosystem, fishes and shrimps go out Absolutely, city image and environment are had a strong impact on, suppresses local economic development.
At present, the method that domestic and international river water quality improves mainly is diluted by changing water, diversion, plant chinampa is purified, added Chemical agent and biological agent etc., the above method are only used for changing river water quality in the emergent short time, with significant limitations. Especially in northern China water-deficient area, change water and diversion dilution is difficult to, the purification of plant chinampa is affected by temperature greatly, is taken effect Slowly, maintenance workload is big, and secondary pollution can be caused to river course by adding chemical agent, and therefore, the above method is difficult fundamentally to solve The problem of certainly river water quality pollutes.
The content of the invention
In view of the above-mentioned problems, the present invention is provided, one kind is economical, efficient, secondary pollution is not caused to environment, not by season shadow Loud river water body pollutant fluxes and the method for water correction.
, will be to be administered to reach above-mentioned purpose, river water body pollutant fluxes of the invention and the method for water correction River course carries out subsection setup overfall dam on request, and water body to be administered in river course is promoted to the energy efficient filtration for being arranged at bank with pump Device and underflow type artificial wet land, at the same in river course using the integrated molten gas dialysis machine of ultra micro to river water body progress at Reason,
Further, methods described specifically includes following concrete technology step:
River course setting overfall dam is segmented;
River course downstream river is filtered into energy-saving filtering device by water pump lifting, organic contamination in water body is removed The materials such as material, phosphate and suspension;
The 50% entrance underflow type artificial wet land for going out water inventory of energy-saving filtering device is handled, removed in water body The materials such as organic pollution materials, total nitrogen, ammonia nitrogen, phosphate and suspension, energy-saving filtering device 50% water outlet of residue and undercurrent type River course upstream is flowed into after artificial wetland effluent mixing, plug-flow and reoxygenation are carried out to river course;
The river of described section to be administered is handled by the molten gas dialysis machine of integrated ultra micro, in water body Suspension, algae, colloidal type material, oils, bed mud top layer humus are handled;The molten gas dialysis machine of integrated ultra micro For microbubble release device, floated by microbubble, the polluter suspended in water body is brought to the water surface, set by collection processing Standby collect removes, and the molten gas release pressure of the integrated molten gas dialysis machine of ultra micro is 0.35~0.4MPa, and microbubble is in water body Residence time be more than 5min.
Repeat the above steps until the water quality of river reaches defined water standard.
Specifically, described energy-saving filtering device is circular filter tank, wherein the height 2500mm of the circular filter tank, circular The built-in raising degree of filter tank is setting rubble support layer height 300mm under 1500mm light ceramics filtrate, light ceramics filtrate, gently Matter ceramic filter material is provided with clear water zone height 400mm.
Specifically, automatic backwash facility is set in described energy-saving filtering device, periodically energy-saving filtering device carried out Backwash.
Specifically, the height of described underflow type artificial wet land is 1500mm, wherein filling filtrate is highly 1000mm, is filled out The cobblestone that filtrate is a diameter of 200mm~300mm is filled, porosity is 50%, and hydraulic detention time is 24h, and water intake mode is Bottom in and top out.
The key of this method is that the suspension in water body is effectively eliminated using energy-saving filtering device cross-flow filtration, is improved The service life of the adhesive ability of biomembrane, the anti-blockage capability of artificial swamp and filler in follow-up underflow type artificial wet land, And metabolism, the absorption of plant, the physical absorption of filler and the retention of biology are taken full advantage of, realize the purification of river water quality;Together The Shi Liyong integration molten gas dialysis machines of ultra micro efficiently remove suspension and bed mud top layer humus in water body, improve water body saturating Lightness, increases water body dissolved oxygen amount, river water quality is reached defined water standard for a long time.
Brief description of the drawings
Fig. 1 is the flow chart of the method for river water body pollutant fluxes of the present invention and water correction.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
The river water body pollutant fluxes of the present invention and the method for water correction, before this entered in river course to be administered on request Row subsection setup overfall dam, then water body to be administered in river course is promoted to the energy-saving filtering device and undercurrent for being arranged at bank with pump Formula artificial swamp, while being handled in river course using the integrated molten gas dialysis machine of ultra micro river water body, its technique stream Journey is as shown in figure 1, comprise the following steps that:
River course setting overfall dam is segmented.
River course downstream river is promoted in energy-saving filtering device 3 by water pump 2 and filtered, organic dirt in water body is removed Contaminate the materials such as material, phosphate and suspension;
Specifically, the described height of energy-saving filtering device 3 is 2500mm circular filter tank, and the circular built-in raising degree of filter tank is Rubble support layer height 300mm is set under 1500mm light ceramics filtrate, light ceramics filtrate, and light ceramics filtrate is provided with Clear water zone height 400mm.
Specifically, automatic backwash facility is set in described energy-saving filtering device 3, periodically energy-saving filtering device carried out Backwash, to recover energy-saving filtering device treatment efficiency.
The 50% entrance underflow type artificial wet land for going out water inventory of energy-saving filtering device 3 is handled, removed in water body Material, remaining 50% water outlet of energy-saving filtering device 3 and the undercurrent such as organic pollution materials, total nitrogen, ammonia nitrogen, phosphate and suspension River course upstream is flowed into after the water outlet of formula artificial swamp 4 mixing, plug-flow and reoxygenation are carried out to river course;
Specifically, the described height of underflow type artificial wet land 4 is 1500mm (wherein effective depth (height of water level or filling Filtrate height) be 1000mm), filling filtrate is a diameter of 200mm~300mm cobblestone, and porosity is 50%, hydraulic retention Time is 24h, and water intake mode is bottom in and top out.
The river of described section to be administered 1 is handled by the molten gas dialysis machine 5 of integrated ultra micro, in water body Suspension, algae, colloidal type material, oils, bed mud top layer humus handled, make water body limpid, while increasing water body Oxygen content improves the polluters such as organic matter and ammonia nitrogen there is provided the oxygen amount needed for microorganism growth in underflow type artificial wet land 4 Removal efficiency;
Specifically, the molten gas dialysis machine 5 of integrated ultra micro is microbubble release device, is floated by microbubble, by water body The polluter of middle suspension is brought to the water surface, and removal, the integrated molten gas dialysis machine 5 of ultra micro are collected eventually through processing equipment is collected Molten gas release pressure be 0.35~0.4MPa, residence time of the microbubble in water body be more than 5min.
Repeat the above steps until the water quality of river reaches defined water standard.
The method of this river water body pollutant fluxes and water correction, applied to processing section length 1000m, width 20m, Depth 2m, 30 days cycles of operation.The technique unit parameter of use is as follows:
(1) energy-saving filtering device parameter:Planar dimension is R=2000mm, height H=2500mm circular filter tank, filler Highly it is H1=1500mm light ceramics filtrate, support layer height H2=300mm, clear water zone height H3=400mm, superelevation H4 =300mm, filtering velocity 20m3/(m2·h)。
(2) drowned flow artificial wet land parameter:Overall length L=600m, wide W=10m, height H=1500mm (wherein effective depth (height of water level or filling filtrate height) H1=1000mm, superelevation H2=500mm), filling filtrate is a diameter of 200mm~300mm Cobblestone, porosity is 50%, and hydraulic detention time is 24h, and water intake mode is bottom in and top out.
(3) molten gas dialysis machine (ship borne type) parameter of integrated ultra micro:Disposal ability is 400m3/ h, molten gas discharges pressure For 0.35~0.4MPa, residence time of the bubble in water body is more than 5min.
The present invention is mutually tied by using energy-saving filtering device, underflow type artificial wet land with the molten gas dialysis machine of integrated ultra micro The mode of conjunction is handled river water body, with management service is convenient, operating cost is low, treatment effect is stable, do not influence river Control flood and drain flooded fields, do not increase the advantage of river course secondary pollution in road.
It can be down to using this method by the CODcr in river, ammonia nitrogen, TP from 53.2mg/L, 7.5mg/L, 0.41mg/L 20.94mg/L、1.9mg/L、0.11mg/L。
Table 1 is several embodiments that this method administers river water body.
Table 1 handles the embodiment of river water body using outer dialysis with interior dialysis group technology
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with sheet Those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should all be covered Within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined by claim is defined.

Claims (1)

1. a kind of method of river water body pollutant fluxes and water correction, it is characterised in that:Including by river course to be administered by It is required that carry out subsection setup overfall dam, water body to be administered in river course is promoted to pump be arranged at bank energy-saving filtering device and Underflow type artificial wet land, while being handled in river course using the integrated molten gas dialysis machine of ultra micro river water body;
Methods described specifically includes following concrete technology step:
River course setting overfall dam is segmented;
River course downstream river is filtered into energy-saving filtering device by water pump lifting, Organic Pollutants In Water is removed Matter, phosphate and suspension;
The 50% entrance underflow type artificial wet land for going out water inventory of energy-saving filtering device is handled, removed organic in water body Polluter, total nitrogen, ammonia nitrogen, phosphate and suspension, energy-saving filtering device 50% water outlet of residue go out with underflow type artificial wet land River course upstream is flowed into after water mixing, plug-flow and reoxygenation are carried out to river course;
The river of described section to be administered is handled by the molten gas dialysis machine of integrated ultra micro, to the suspension in water body Thing, algae, colloidal type material, oils, bed mud top layer humus are handled;The molten gas dialysis machine of integrated ultra micro is micro- Bubble release device, is floated by microbubble, and the polluter suspended in water body is brought to the water surface, is received by collecting processing equipment Collection is removed, and the molten gas release pressure of the integrated molten gas dialysis machine of ultra micro is 0.35~0.4MPa, microbubble stopping in water body The time is stayed to be more than 5min;
Repeat the above steps until the water quality of river reaches defined water standard;
Described energy-saving filtering device is circular filter tank, wherein being loaded in the height 2500mm of the circular filter tank, circular filter tank Highly it is setting rubble support layer height 300mm, light ceramics filtrate under 1500mm light ceramics filtrate, light ceramics filtrate It is provided with clear water zone height 400mm;
Automatic backwash facility is set in described energy-saving filtering device, periodically energy-saving filtering device backwashed.
CN201510518940.4A 2015-08-20 2015-08-20 The method of river water body pollutant fluxes and water correction Active CN105000762B (en)

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CN106007268A (en) * 2016-08-02 2016-10-12 中冶华天工程技术有限公司 Method for efficient treatment of black and odorous water body and river black and odorous water body
CN107758975A (en) * 2016-08-16 2018-03-06 深圳天澄科工水系统工程有限公司 The administering method and system of river water body
CN106348533B (en) * 2016-10-09 2020-03-06 广州市环境保护工程设计院有限公司 Broken-end surge treatment equipment and treatment process thereof
CN107311314B (en) * 2017-07-06 2021-01-12 上海淘钿农业生物科技有限公司 In-situ ecological restoration method for black and odorous riverway
CN107827311A (en) * 2017-10-20 2018-03-23 南京博威环保科技有限责任公司 Pollution administration water remediation water ecosystem quaternity in-site comprehensive governing system and its construction method
CN109607968A (en) * 2019-01-11 2019-04-12 刘恒 A kind of ecological riverway system of hydraulic engineering

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CN100376306C (en) * 2003-03-23 2008-03-26 武汉长航给排水环境节能设备成套工程公司 Active carbon powder coating fine purifying and magnetic filtering system
CN100400438C (en) * 2005-09-21 2008-07-09 中国环境科学研究院 Nutrient-rich river-lake water body and initial rainwater composite artificial wet land treating system
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Co-patentee after: Alex Hua Tian (Anhui) energy saving and Environmental Protection Research Institute Co Ltd

Address before: 243005 Hunan West Road, Ma'anshan, Ma'anshan, Anhui

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Address before: 014010 Steel Street, Kunqu District, Baotou, the Inner Mongolia Autonomous Region

Co-patentee before: Zhongye Huatian Engineering Technology Co., Ltd.

Patentee before: Alex Hua Tian Baotou design and Research Institute Co., Ltd.

Co-patentee before: Alex Hua Tian (Anhui) energy saving and Environmental Protection Research Institute Co Ltd