CN202297300U - Cleaning system for elution and in situ replacement of polluted water sediments - Google Patents

Cleaning system for elution and in situ replacement of polluted water sediments Download PDF

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Publication number
CN202297300U
CN202297300U CN2011204433121U CN201120443312U CN202297300U CN 202297300 U CN202297300 U CN 202297300U CN 2011204433121 U CN2011204433121 U CN 2011204433121U CN 201120443312 U CN201120443312 U CN 201120443312U CN 202297300 U CN202297300 U CN 202297300U
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CN
China
Prior art keywords
impeller
bed mud
water
magnetic
water body
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Withdrawn - After Issue
Application number
CN2011204433121U
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Chinese (zh)
Inventor
杜海明
余增亮
吴敬东
任冲
孙进
刘兵
唐义
李世良
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Anhui Lake Environment Technology Ltd Corp
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Anhui Lake Environment Technology Ltd Corp
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Priority to CN2011204433121U priority Critical patent/CN202297300U/en
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Publication of CN202297300U publication Critical patent/CN202297300U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model provides a cleaning system for elution and in situ replacement of polluted water sediments, which comprises a sediment perturbation device, a pump and a magnetic loading algae pollutant/water separation device. The sediment perturbation device comprises an impeller, the impeller is arranged on an impeller frame, two ends of the impeller frame are fixedly connected to a support, the impeller is driven by a motor, and the motor is connected with a control system. The magnetic loading algae pollutant/water separation device is formed by a flocculation reaction zone, a magnetic conductance precipitation zone and a filtration purifying zone. The cleaning system adopts a physical method to elute surface sediments, cleaned water flows back to water, pollutants are dehydrated through filter pressing, endogenous nutrient loads of the water can be reduced effectively, and a purpose of producing eutrophic water specimens is achieved.

Description

A kind of water body bed mud wash-out original position metathetical system that removes contamination of dying
Technical field:
The utility model belongs to environmental protection technology, is specifically related to a kind of polluted water body bed mud wash-out original position metathetical system that removes contamination.
Background technology:
Because receive the influence of mankind's activity, unhurried current water body eutrophication degrees such as natural lake, river mouth, bay, landscape water constantly aggravate, promote algae reproduction, water quality deterioration badly influences economy and social development.The body eutrophication control measures mainly contains the material input of control exogenous nutrition and reduces endogenous nutritive substance load.
Water body is because accumulation throughout the year; Pile up a large amount of settlings (also being bed mud), because a large amount of xenobiotic pollutantss get into, cause bed mud nutritive element N, P content higher again; Particularly the top layer part content of bed mud is maximum, and bed mud top layer part also contains a large amount of algae kinds and heavy metal contaminants simultaneously.Eutrophic water sedimentary has the nutritive salt in the temporary transient planar water of very high capacity, then it is discharged.Phosphorus is considered to the limiting nutrient element of body eutrophication, and the phosphorus in the bed mud circulates in the process that affects body eutrophication to a great extent.
It is a complex dynamic process that materials such as the nutritive salt in the bed mud discharge, and the size of burst size receives influence of various factors such as the situation, temperature, pH, biological activity, wave disturbance of dissolved oxygen in the bottom.The disturbance of top layer bed mud is the important mechanisms that shallow water body discharges nutritive salt.Natural cause and human factor can cause water disturbance.There are some researches show: the sedimentary phosphate burst size is greater than the burst size of phosphorus in the bed mud under the condition of leaving standstill under the disturbed conditions.
Controlling endogenous phosphorus load is the endogenous improvement of eutrophication water, the key of quickening the function of water body recovery.Present improvement method mainly contains three types, but on technology and method, all has some defectives: the one, and methods such as bed mud dredging, diversion desilting, deep water discharging increase the output of endogenous phosphorus.But investment is big and bigger to the disturbance of bed mud, is prone to bed mud is risen and the release that causes endogenous phosphorus, causes water pollution; The 2nd, suppress the release of the endogenous phosphorus of bed mud through physico-chemical process, through to the water body aeration, add chemical agent aluminium salt, molysite, calcium salt etc. to suppress the release of endogenous phosphorus.Aeration method exists the oxygenation scope little and inhomogeneous, and this method improves the black smelly phenomenon of water body only, for suppressing algae and realizing that water quality is limpid and do not have an obvious treatment effect.Add chemical agent and suppress the release of endogenous phosphorus, to the water body toxigenicity, influence water ecological environment, can increase the amount of bed mud simultaneously again, water body storage capacity is diminished like the improper use meeting.The 3rd, through adjusting biology community structure and optimizing the purpose that the aquatic macrophyte structure of community reaches stable bed mud, cuts down endogenous phosphorus load.The biological prosthetic non-secondary pollution has prospect very much.But bioremediation technology takes effect slowly, has tangible hysteresis quality, and also rests on the experimental phase mostly, and unsuitable big area is promoted.
Summary of the invention:
Deficiency to endogenous phosphorus load technology of above-mentioned control water body and method; The utility model provides a kind of polluted water body bed mud wash-out original position metathetical system that removes contamination, and it can discharge effectively and remove nutritive element and pollution substances such as algae kind, heavy metal such as the phosphorus that is rich in the bed mud, nitrogen.
The utility model is realized through following technical scheme: the polluted water body bed mud wash-out original position metathetical system that removes contamination comprises that bed mud micro interference device, pump and magnetic load algae dirt/water separation device; Said bed mud micro interference device comprises impeller, and said impeller is located on the impeller frame, and said impeller frame two ends are fixed on the support, and said impeller is by electric motor driving, and said motor is connected with system; Said magnetic loads algae dirt/water separation device and is made up of flocculation reaction district, magnetic conductance settling region and filtration, purification district.
Said flocculation reaction district comprises that coagulation basin, magnetic load pond and flocculation basin.
Said bed mud micro interference device is provided with aeration tube, and said aeration tube is connected with aerator, and said aerator is controlled by system.
This system that removes contamination also comprises pressure filter.
The clean-up operation technical process of the utility model is following:
Nutritive element → polluted water body → efficient magnetic such as bed mud top layer (certain zone) → bed mud micro interference device (mechanical stirring, aeration disturbance etc.) → releases phosphorus, nitrogen load algae dirt/water separation equipment (isolated magnetic pollutent floc sedimentation is through the pressure filter press filtration) → effluent recycling and go into former water body.
Through the bed mud micro interference device, in certain waters, adopt physical method disturbance top layer bed mud, nutritive element and materials such as algae kind, heavy metal such as releases phosphorus, nitrogen; Load algae dirt/water separation equipment through efficient magnetic again and separate the pollutent of removing in the water body; Clearance can reach more than 97%, and sediment in-situ sedimentation, covering behind the wash-out reach sediment in-situ wash-out metathetical purpose; Former water body is flowed back in the cleaning water outlet again, has realized " dialysis " and the cycling and reutilization of water body.In order to achieve water quality standards, Bing fundamentally solve the eutrophic water governance issues.
The beneficial effect of the utility model: it is simple to have flow process, and structures are few, reduced investment, and treatment capacity is big, takes up an area of to lack, and energy consumption is low, and ecological disturbance is little, and the pollutants removal rate advantages of higher.The technology method that can replace existing traditional water body endogenous pollutent to cut down.
Description of drawings:
Fig. 1 is the system that the removes contamination schematic block diagram of the utility model;
Among the figure, 1. bed mud top layer, 2. bed mud micro interference device, 3. polluted water body, 4. pump, 5. efficient magnetic loads algae (dirt)/water separation equipment, 6. magnetic flocculant, 7. water outlet, 8. pressure filter, 9. magnetic mud cake.
Fig. 2 is the bed mud micro interference device structural representation of the utility model;
Among the figure: 10, motor, 11, system, 12, aerator, 12.1, aeration tube, 13, support, 14, impeller, 15, the impeller frame.
Fig. 3 is that the efficient magnetic of the utility model loads algae dirt/water separation equipment synoptic diagram.
Among the figure: 5.1, flocculation reaction district, 5.2, the magnetic conductance settling region, 5.3 filtration, purification districts 5.3, the 5.1.1 coagulation basin, 5.1.2 magnetic loads pond, 5.1.3, flocculation basin, 5.2.1, magnetic steering device, 5.2.2 collection bucket.
Embodiment:
1-3 further specifies the utility model below in conjunction with accompanying drawing.
The equipment of removing contamination of the utility model comprises that bed mud micro interference device 2, pump 4 and magnetic load algae dirt/water separation device 5.The bed mud micro interference device is made up of impeller 14 and impeller frame 15.Impeller frame 15 two ends are fixed on the support 13, and impeller 14 is driven by motor 10.Motor 10 is connected with system 11.The bed mud micro interference device is provided with aeration tube 12.1, and aeration tube is connected with aerator 12, and aerator is controlled by system.This equipment of removing contamination also comprises pressure filter 8.Magnetic loads algae dirt/water separation device and comprises flocculation reaction district 5.1, magnetic conductance settling region 5.2 and filtration, purification district 5.3.Flocculation reaction district 5.1 loads pond 5.1.2 by coagulation basin 5.1.1, magnetic and flocculation basin 5.1.3 constitutes.Constitute by magnetic steering device 5.2.1 and collection bucket 5.2.2 in the magnetic conductance settling region 5.2.Sewage after the flocculation flows into magnetic conductance settling region 5.2 through magnetic steering device 5.2.1, and throw out concentrates among the collection bucket 5.2.2.Contain the sedimentation of bed mud sewage in-situ, covering behind the wash-out, reach the purpose of the contaminated bed mud of displacement, former water body is flowed back in the cleaning water outlet again.
The bed mud top layer disturbance of the utility model clears the pollution off and is achieved in that and is enclosing in the fixed waters; Carried out mechanical stirring and aeration disturbance 5-10 minute through bed mud micro interference device 2; Be scattered in phosphorus, nitrogen, algae kind and the heavy metal etc. that are enriched in the bed mud 5-10 centimetre top layer in the water, load the magnetic flocculant that adds of algae dirt/water separation equipment 5 again through efficient magnetic, reaction forms magnetic pollutent flco; Under the effect of magnetic steering device; Get into settling tank, sediment in-situ sedimentation, covering behind the wash-out reach sediment in-situ wash-out metathetical purpose.Clean water after the processing gets in the polluted water body of original waters, and carrying out constantly, " dialysis " purifies.The magnetic pollutent flco of separating, water ratio 99~97%, through the pressure filter dehydration, the magnetic moisture content of the cake reaches 75%, carries out aftertreatment more again.
The utility model and existing technology are relatively; Through utilizing bed mud micro interference device method to be released to phosphorus, nitrogen, algae kind and the heavy metal etc. that are enriched in the bed mud 5-10 centimetre top layer in the water; Utilize efficient magnetic to load pollutent in algae dirt/water separation equipment separation and Extraction water body again; Sediment in-situ sedimentation, covering behind the wash-out reach sediment in-situ wash-out metathetical purpose.It is simple to the utlity model has flow process, and structures are few, reduced investment, and treatment capacity is big, takes up an area of fewly, and energy consumption is low, and ecological disturbance is little, and characteristics such as pollutants removal rate height, can be used for the process field of eutrophication waters such as lake, reservoir, river course, landscape water.

Claims (4)

1. polluted water body bed mud wash-out original position metathetical system that removes contamination is characterized in that: comprise that bed mud micro interference device, pump and magnetic load algae dirt/water separation device; Said bed mud micro interference device comprises impeller, and said impeller is located on the impeller frame, and said impeller frame two ends are fixed on the support, and said impeller is by electric motor driving, and said motor is connected with system; Said magnetic loads algae dirt/water separation device and is made up of flocculation reaction district, magnetic conductance settling region and filtration, purification district.
2. the polluted water body bed mud wash-out original position metathetical according to claim 1 system that removes contamination is characterized in that: said flocculation reaction district comprises that coagulation basin, magnetic load pond and flocculation basin.
3. the equipment of removing contamination according to claim 1 is characterized in that: said bed mud micro interference device is provided with aeration tube, and said aeration tube is connected with aerator, and said aerator is controlled by system.
4. the polluted water body bed mud wash-out original position metathetical according to claim 1 system that removes contamination, it is characterized in that: this system that removes contamination also comprises pressure filter.
CN2011204433121U 2011-11-10 2011-11-10 Cleaning system for elution and in situ replacement of polluted water sediments Withdrawn - After Issue CN202297300U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204433121U CN202297300U (en) 2011-11-10 2011-11-10 Cleaning system for elution and in situ replacement of polluted water sediments

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204433121U CN202297300U (en) 2011-11-10 2011-11-10 Cleaning system for elution and in situ replacement of polluted water sediments

Publications (1)

Publication Number Publication Date
CN202297300U true CN202297300U (en) 2012-07-04

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CN2011204433121U Withdrawn - After Issue CN202297300U (en) 2011-11-10 2011-11-10 Cleaning system for elution and in situ replacement of polluted water sediments

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102503005A (en) * 2011-11-10 2012-06-20 安徽雷克环保科技有限公司 Method for replacing bottom sludge of polluted water in site and sludge cleaning equipment
CN108911461A (en) * 2018-06-25 2018-11-30 安徽中环环保科技股份有限公司 A kind of mercury object original position abatement disposition ship

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102503005A (en) * 2011-11-10 2012-06-20 安徽雷克环保科技有限公司 Method for replacing bottom sludge of polluted water in site and sludge cleaning equipment
CN108911461A (en) * 2018-06-25 2018-11-30 安徽中环环保科技股份有限公司 A kind of mercury object original position abatement disposition ship

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AV01 Patent right actively abandoned

Granted publication date: 20120704

Effective date of abandoning: 20130501

RGAV Abandon patent right to avoid regrant