CN103241899A - In-situ reduction or control method of sewage discharged from sewage discharge outlet - Google Patents

In-situ reduction or control method of sewage discharged from sewage discharge outlet Download PDF

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Publication number
CN103241899A
CN103241899A CN2013101680402A CN201310168040A CN103241899A CN 103241899 A CN103241899 A CN 103241899A CN 2013101680402 A CN2013101680402 A CN 2013101680402A CN 201310168040 A CN201310168040 A CN 201310168040A CN 103241899 A CN103241899 A CN 103241899A
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China
Prior art keywords
sewage
filtering basin
filler
draining exit
control method
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Pending
Application number
CN2013101680402A
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Chinese (zh)
Inventor
刘浩
张聪
沈银武
刘永定
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Wuhan Changbao Environment Protection Engineering Co Ltd
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Wuhan Changbao Environment Protection Engineering Co Ltd
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Priority to CN2013101680402A priority Critical patent/CN103241899A/en
Publication of CN103241899A publication Critical patent/CN103241899A/en
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Abstract

The invention discloses an in-situ reduction or control method of sewage discharged from a sewage discharge outlet, and the in-situ reduction or control method comprises the following steps of: A, building a downstream filter tank and an upstream filter tank on a river/lake along the lower ends of the sewage discharge outlets of embankments; B, placing fillers to the filter tanks, and after 2-3 days, naturally growing microbes on the fillers to form biological membranes, wherein the sewage enters the downstream filter tank, flows through the filler from top to bottom, then reaches the bottom of the downstream filter tank and enters the filter tank through a water-permeable hole, and the sewage flows through the filler from bottom to top to degrade organic pollutants through the microbes positioned on the biological membranes; and filtering, absorbing and removing suspended materials contained in the sewage; C, planting aquatic plants on the surfaces of the filter tanks to achieve purification and landscape effects; and D, detaining the sewage, which is discharged from the sewage discharge outlet, in the filter tanks for 10-12 hours to reduce nitrogen, phosphorus and COD (Chemical Oxygen Demand), and overflowing treated clear water into the river from the tops of the filter tanks. The method disclosed by the invention is easy to carry out, simple to operate, low in cost, has good effect and is suitable for the in-situ control of the sewage discharged from the sewage discharge outlet of the lake into a riverway.

Description

The sewage in-situ that a kind of sewage draining exit is discharged is subdued or control method
Technical field
The present invention relates to water environment pollution and administer the field, the sewage in-situ that more specifically relates to a kind of sewage draining exit discharge is subdued or control method, especially be fit to enter the in-situ control of the sewage of lake, Drain contamination for river channel mouth discharging, reach the purpose of cutting down the lake or entering river water body nutrition load.
Background technology
In recent years, since industrial boom, population increase, urbanization increases the weight of, severe environmental pollution, the eutrophication degree aggravation of the many water bodys of China, cause serious water quality deterioration, but directly influenced quality and the availability of water body, and endangering livestock and human beings'health.Serious with many lakes, arm of lake, the pollution of river, the water body blackout, produce unpleasant peculiar smell, have a strong impact on environment, ecoscape, brought inconvenience for people's life.Therefore, people are seeking a kind of body eutrophication load can cut down, and do not influence ecoscape not only or but also can reach the terms of settlement of improving and beautifying the environment.Environmental pollution can be divided into " pollution of area source " and " point-source pollution ", pollution of area source refers to that dissolve and pollutent solid are from unspecific place, under precipitation (or snow melt) souring, import receiving water body (comprising river, lake, reservoir and bay etc.) and cause the pollution of eutrophication or other form of water body by the runoff process.Point-source pollution comprises that mainly trade effluent and city domestic sewage pollute, and have fixing sewage draining exit to concentrate discharging usually.Mainly discharge again after pipe network and sewage treatment facility focus on by building for point-source pollution at present.But the trade effluent that some is local and city domestic sewage thoroughly just are not discharged into river course or lake with regard to directly discharging or handling after entering sewage disposal by pipe network, and be comparatively outstanding especially on the outskirts of a town.The present invention be directed to this kind situation, subdue or control method at the sewage in-situ that sewage draining exit adopts a kind of sewage draining exit to discharge, after the present invention's processing, can make pollutent obtain handling or entering lake, river course after the reduction greatly, reach the purpose of handling or cutting down the lake or going into river water body nutrition load.
Summary of the invention
The sewage in-situ that the object of the present invention is to provide a kind of sewage draining exit to discharge is subdued or control method, easy to implement the method, easy and simple to handle, especially be fit to enter the in-situ control of lake, Drain contamination for river channel mouth sewage, reached the purpose of cutting down the lake or going into river water body nutrition load, easy construction of the present invention, do not need land occupation, cost is low, and is effective, advantage such as can beautify the environment simultaneously.
In order to achieve the above object, the present invention adopts following technical measures:
The sewage in-situ that a kind of sewage draining exit is discharged is subdued or control method, the steps include:
1, set up descending filtering basin and up filtering basin (two filtering basin) at the 3-5cm place, dirt, discharging pollution mouth lower end along embankment, the sewage that the size of descending filtering basin and up filtering basin is discharged according to sewage draining exit is decided.
2, in descending filtering basin and up filtering basin, put into packing layer and haydite layer, by going out a large amount of microorganisms formation microbial films by self-sow on for some time (2-3 days) back filler, digest degradable organic pollutant and remove the target of ammonia nitrogen, phosphorus realization pollution treatment by microorganism.Sewage enters descending filtering basin, from top to bottom flow through filler (filler is rubble) layer, through the filtration of filler (rubble) and the suspended substance in the adsorption removal sewage, sewage arrives descending filtering basin bottom and enters up filtering basin by permeable hole, the water haydite layer of flowing through is from the bottom to top more further removed pollutants in sewage.
3, descending filtering basin and up filtering basin surface plantation waterplant, by the nutrition in the waterplant absorption portion water body, reach cleaning action, on the other hand on the one hand, the filter tank shows that plantation view waterplant can hide sewage draining exit and filter tank, reaches the purpose of beautifying the environment.
Described surface plantation waterplant is power flower, iris, Canna generalis Bailey, mullet grass, cattail, calamus and Spiked Loosestrife etc. again; The view waterplant is identical with surface plantation waterplant.
4, SS≤20mg/l, COD subdue 60-75% to the sewage draining exit sewage of discharging after descending filtering basin and up filtering basin are detained 10-12 hour, ammonia nitrogen is subdued 80-90%.Handle the back clear water and overflow from up filtering basin top, enter river course or lake.
The present invention compared with prior art has the following advantages:
1 pollutent that enters lake or river course by sewage draining exit obtains in-situ control, has avoided a large amount of pollutents directly to enter lake or river course, pollutes the thing diffusion or is dissolved in water body in lake, is difficult to handle.
2 the present invention show the plantation waterplant at filtering basin, by the nutrition in the waterplant root system absorption portion water body, reach the effect of purifying water body, on the other hand on the one hand, the filter tank shows that plantation view waterplant can hide sewage draining exit and filter tank, reaches the purpose of beautifying the environment.
3 the present invention are simple, and system cost is with low cost, suit to apply at water bodys such as lake, river courses.
Description of drawings
The sewage in-situ that Fig. 1 discharges for a kind of sewage draining exit is subdued or the process flow sheet of control method;
The sewage in-situ that Fig. 2 discharges for a kind of sewage draining exit is subdued or the structures sectional view of control method;
Fig. 3 subdues or the control method floor map for the sewage in-situ that a kind of sewage draining exit is discharged.
1-embankment, 2-sewage draining exit, 3-sewage, the descending filtering basin of 4-, the up filtering basin of 5-, 6-waterplant, 7-filler (rubble), 8-filler (haydite), 9-permeable hole, 10-clear water, 11-partition wall.
Embodiment
Embodiment 1:
The invention will be further described describes below in conjunction with accompanying drawing:
The sewage in-situ that a kind of sewage draining exit is discharged is subdued or control method, the steps include:
1 in the enforcement the present invention of the West Lake of Huizhou City, Guangdong Province, and there are many places dirt, discharging pollution pipes (mouth) West Lake, Huizhou along embankment 1, and sewage draining exit 2 sewage outputs are about 10-20m 3/ day, the 3-5cm place sets up two filtering basin in sewage draining exit 3 lower end, i.e. descending filtering basin 4 and up filtering basin 5, descending filtering basin 4 long 1.5m, wide 1.5m, high 1.5m, up filtering basin 5 long 2m, wide 2m, high 1.25m.Pond body and partition wall are all used concrete for making, partition wall 11 is positioned at Chi Tizhong, the pond body is divided into descending filtering basin 4 and up filtering basin 5, descending filtering basin 4 and two filtering basin of up filtering basin 5() between partition wall 11 bottoms permeable hole 9 UNICOMs that open four high 5cm of long 20cm, form water stream channel.Descending filtering basin 4 fillers are 7 layers of particle diameter 3-5cm rubbles, and up filtering basin 5 fillers are 8 layers of particle diameter 1-3cm haydites, form microbial films by growing a large amount of microorganisms on the filler after 2-3 days, and microorganism can absorb a large amount of pollutents.
2 sewage enter descending filtering basin 4 through sewage draining exit, from top to bottom flow through 7 layers of fillers (rubble), remove suspended substance in the sewage through the filtration on the filler (rubble) 7 layers and adsorption, sewage arrives descending filtering basin 4 bottoms and enters up filtering basin 5 by permeable hole 9, flow through from the bottom to top again 8 layers of fillers (haydite) of water are further removed pollutants in sewage and suspended substance and are obtained being filtered into clear water.
3 waterplant plantations: colored and Canna generalis Bailey planting density is: 9 strains/m for power again descending filtering basin 4 surperficial downstream tank waterplant 6 2Up pool surface waterplant 6 is polychrome iris and mullet grass 5-8 strain/m 2By the nutrition in the waterplant 6 absorption portion water bodys, reach cleaning action on the one hand, on the other hand, descending filtering basin 4 and up filtering basin 5 show that plantation view waterplant 6 can hide sewage draining exit 2, reaches the purpose of beautifying the environment.
Described surface plantation waterplant is again the arbitrary combination of power flower, iris, Canna generalis Bailey, mullet grass, cattail, calamus and Spiked Loosestrife a kind of or 2-7 kind wherein; The view waterplant is identical with surface plantation waterplant.
SS≤20mg/l, COD subdue 60-75% to the sewage that sewage draining exit is discharged after descending filtering basin 4 and up filtering basin 5 are detained 10-12 hour, ammonia nitrogen is subdued 80-90%.Handle back clear water 10 and overflow from up filtering basin 5 tops, enter river course or lake.Be particularly useful for the in-situ control into the sewage of river and lake sewage draining exit discharge.

Claims (3)

1. the sewage in-situ of a sewage draining exit discharge is subdued or control method, the steps include:
Set up descending filtering basin (4) and up filtering basin (5) at the 3-5cm place, dirt, discharging pollution mouth (3) lower end along embankment (1);
In descending filtering basin (4) and up filtering basin (5), put into filler (7) layer and haydite (8) layer, go out microorganism by self-sow on the filler after 2-3 days and form microbial film, digest degradable organic pollutant and remove ammonia nitrogen by microorganism, phosphorus, sewage enters descending filtering basin (4), from top to bottom flow through filler (7) layer, through the filtration of filler (7) layer and the suspended substance in the absorption removal sewage, sewage arrives descending filtering basin (4) bottom and enters up filtering basin (5) by permeable hole (9), flow through from the bottom to top again haydite (8) layer of water is removed pollutants in sewage;
Descending filtering basin (4) and up filtering basin (5) surface plantation waterplant, by the nutrition in the waterplant absorption water body, reach purification on the one hand; On the other hand, the filter tank shows that plantation view waterplant hides sewage draining exit and filter tank, reaches and beautifies the environment;
SS≤20mg/l, COD subdue 60-75% to the sewage that sewage draining exit is discharged after 10-12 hour, ammonia nitrogen is subdued 80-90% in descending filtering basin (4) and up filtering basin (5) delay, handle the back clear water and overflow from up filtering basin (5) top, enter river course or lake.
2. the sewage in-situ of discharging according to the described a kind of sewage draining exit of claim l is subdued or control method, and it is characterized in that: described filler (7) is rubble; Described filler (8) is haydite.
3. the sewage in-situ of discharging according to the described a kind of sewage draining exit of claim l is subdued or control method, it is characterized in that: described surface plantation waterplant is again the arbitrary combination of power flower, iris, Canna generalis Bailey, mullet grass, cattail, calamus and Spiked Loosestrife a kind of or 2-7 kind wherein.
CN2013101680402A 2013-05-06 2013-05-06 In-situ reduction or control method of sewage discharged from sewage discharge outlet Pending CN103241899A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105366892A (en) * 2015-12-09 2016-03-02 张春辉 Shallow-layer biological filter disc and filtration system composed of filter discs
CN106242198A (en) * 2016-10-09 2016-12-21 中山市中开环保设备制造有限公司 Biology drain treatment apparatus
CN106630374A (en) * 2016-08-31 2017-05-10 浙江绿凯环保科技股份有限公司 Sewage draining exit sewage strengthening treatment apparatus and method thereof
CN110054301A (en) * 2019-04-19 2019-07-26 江苏大学 A kind of Drain contamination for river channel mouth sewage in-situ processing unit and processing method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100477532B1 (en) * 2003-05-30 2005-03-18 레인보우스케이프주식회사 Purification of water system of pond and the method there of
CN201305511Y (en) * 2008-11-24 2009-09-09 中国科学院水生生物研究所 Integrated vertical flow constructed wetland aerator
CN102887590A (en) * 2012-11-09 2013-01-23 四川四通欧美环境工程有限公司 Grading root zone sewage treatment ecological constructed wetland system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100477532B1 (en) * 2003-05-30 2005-03-18 레인보우스케이프주식회사 Purification of water system of pond and the method there of
CN201305511Y (en) * 2008-11-24 2009-09-09 中国科学院水生生物研究所 Integrated vertical flow constructed wetland aerator
CN102887590A (en) * 2012-11-09 2013-01-23 四川四通欧美环境工程有限公司 Grading root zone sewage treatment ecological constructed wetland system

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105366892A (en) * 2015-12-09 2016-03-02 张春辉 Shallow-layer biological filter disc and filtration system composed of filter discs
CN105366892B (en) * 2015-12-09 2018-04-17 东莞市恒春环保服务有限公司 The filtration system of shallow-layer formula biology filter disc and its composition
CN106630374A (en) * 2016-08-31 2017-05-10 浙江绿凯环保科技股份有限公司 Sewage draining exit sewage strengthening treatment apparatus and method thereof
CN106242198A (en) * 2016-10-09 2016-12-21 中山市中开环保设备制造有限公司 Biology drain treatment apparatus
CN110054301A (en) * 2019-04-19 2019-07-26 江苏大学 A kind of Drain contamination for river channel mouth sewage in-situ processing unit and processing method

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Application publication date: 20130814