CN104556564B - A kind of multimedium artificial swamp is sewage purification bed - Google Patents
A kind of multimedium artificial swamp is sewage purification bed Download PDFInfo
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- CN104556564B CN104556564B CN201410788538.3A CN201410788538A CN104556564B CN 104556564 B CN104556564 B CN 104556564B CN 201410788538 A CN201410788538 A CN 201410788538A CN 104556564 B CN104556564 B CN 104556564B
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- 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
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- 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
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- 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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
- C02F1/705—Reduction by metals
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- 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
- C02F2101/16—Nitrogen compounds, e.g. ammonia
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- 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
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- 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)
- Biological Treatment Of Waste Water (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of multimedium artificial swamp sewage purification bed, belong to water-treatment technology field. The present invention includes water inlet pipe, cloth water channel, gravel packing, crosses spray wall, cinder corruption wood iron filings composite purification layer, partition wall one, the haydite compounded purifying layer of property of modified rectorite, partition wall two, celluar concrete zeolite composite purification layer, broken limestone layer, partition wall three, clay and planting soil composite bed, Concrete Anti infiltration layer, braiding channel, collecting conduit, Height Adjustable outlet, outlet pipe. Clay and planting soil composite bed are positioned at the device the superiors, clay and planting soil composite bed are presented herein below broken limestone layer, being cinder corruption wood iron filings composite purification layer, the haydite compounded purifying layer of property of modified rectorite, celluar concrete zeolite composite purification layer successively after crossing spray wall below broken limestone layer, bottom is impervious barrier. The present invention utilizes the optimum organization of medium to realize the high-efficient purification to dirty pollutant in water, device flexible design, and strong adaptability, treatment effeciency are high.
Description
Technical field
The invention belongs to technical field of water treatment, be specifically related to artificial wetland treatment and purify Technology of Sewage.
Background technology
By ecologist, artificial swamp, as a kind of eco-treatment technology, is found that it is developed rapidly after having Function For Purifying Water from eighties of last century five sixties, has become as the new technique of a kind of sewage disposal to the eighties. Current many countries all kinds of sewage of artificial wetland treatment, including city domestic sewage, trade effluent, storm runoff, widespread pollution from the overuse of fertilizers and pesticides in rural area sewage, percolate, polluted river lake etc., surface water, aquaculture wastewater, mud deviate from water etc. Artificial swamp is an aquatic ecosystem being made up of animals and plants, microorganism, medium etc., by synergism mutual between each ingredient, makes wet land system steady running, and has preferably detergent power. Current artificial swamp is as a kind of low input, high efficiency, and the ecological engineering facilities of easy care is applied widely all over the world. Removal to nitrogen, P elements is one of topmost function of artificial wet land system. In recent years, the correlational study removed in artificial wet land system about nitrogen, P elements at home and abroad obtains flourishing carrying out. As the patent No. is: 201410217395.O, patent specification describes constructed wetland device and the processing method thereof of low-pollution water denitrogenation.
Artificial wetland treatment device common at present and shortcoming thereof are as follows:
(1) surface current artificial wetland. Device is made up of soil, water plant etc. Sewage flows through from medium, is purified through plant absorption, attached microbial degraded. Shortcoming is that treatment effeciency is low, sanitary condition is poor, is subject to extraneous service condition interference.
(2) drowned flow artificial wet land. Drowned flow artificial wet land includes horizontal flow artificial wetland and vertical current constructed wetland, and sewage is flow through by media interior, improves sanitary condition, strengthens stable performance, improves treatment effeciency.Shortcoming is dwell time of sewage, the bad control of water level, and reply sewage quality change changing capability is poor.
(3) conventional composite artificial wetland. Compound flow constructed wetland refers generally to surface current artificial wetland and drowned flow artificial wet land is combined, and also has the advection artificial swamp between drowned flow artificial wet land and vertical current constructed wetland to be combined. Sewage is through compound flow constructed wetland, and the treatment effeciency of its polluter has had a raising than single wetland, but compound flow constructed wetland capital expenditure is higher, to external world service condition require higher, operational management trouble.
Summary of the invention
It is an object of the invention to improve the efficiency of artificial wetland treatment pollutant, strengthen artificial swamp and tackle the ability of sewage quality change flexibly. The medium composite purification layer arranged in certain sequence in this clean-up bed, can increase the kind removing pollutant and improve the treatment effeciency to pollutant. The adjustable outlet of device camber can pass through adjusting water outlet height, controlling sewage water level in whole clean-up bed, namely regulating the depth of immersion in broken limestone layer, thus controlling the clean-up effect of total phosphorus. This clean-up bed can carry out flexible for wastewater influent water quality, and treatment effeciency is high, strong adaptability.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of multimedium artificial swamp is sewage purification bed, it is characterised in that: include water inlet pipe, cloth water channel, gravel packing, cross spray wall, cinder corruption wood iron filings composite purification layer, partition wall one, the haydite compounded purifying layer of property of modified rectorite, partition wall two, celluar concrete zeolite composite purification layer, broken limestone layer, partition wall three, clay and planting soil composite bed, Concrete Anti infiltration layer, braiding channel, collecting conduit, Height Adjustable outlet, outlet pipe. Described gravel packing is positioned at bottom cloth water channel; Cross after spray wall is positioned at cloth water channel; Clay and planting soil composite bed, in the uppermost position of device, are broken limestone layer immediately below; It is cinder corruption wood iron filings composite purification layer, partition wall one, the haydite compounded purifying layer of property of modified rectorite, partition wall two, celluar concrete zeolite composite purification layer successively after crossing spray wall below broken limestone layer; Partition wall three is positioned at the haydite compounded purifying layer centre position of property of modified rectorite, is upward through broken limestone layer and clay and planting soil composite bed; Device bottom is impervious barrier; Collecting conduit connects Height Adjustable outlet, and Height Adjustable outlet is positioned at the centre position of braiding channel.
Wherein said gravel packing, gravel layer thickness 50-70cm, grain size of gravel 10-20mm, can remove most particulate pollutant in sewage.
Wherein said cinder corruption wood iron filings composite purification layer, in this layer, cinder particle diameter to be 5-15mm, rotten wood particle diameter be 10-20mm, iron filings particle diameter are 2-4mm, three is according to volume ratio 70:29.5:0.5 Homogeneous phase mixing, at this composite purification layer, emphasis removes the organic pollution in sewage, simultaneously iron filings can the contaminant species of some difficult degradations in deoxidization, degradation sewage, reduce subsequent purification load.
The haydite compounded purifying layer of wherein said property of modified rectorite, in this layer, property of modified rectorite particle diameter is 4-8mm, haydite particle diameter 6-8mm; The two is according to volume ratio 2:1 Homogeneous phase mixing. In this layer, emphasis removes the polluters such as the ammonia nitrogen in sewage, total nitrogen, and organic pollution also has good removal ability simultaneously.
Wherein said celluar concrete zeolite composite purification layer, in this layer, celluar concrete particle diameter is 5-15mm, and celluar concrete interior porosity is not less than 40%, sized zeolite particles 5-8mm;The two is according to volume ratio 1:1 Homogeneous phase mixing. The polluters such as the absorption property and the suspended solid that ammonia nitrogen detergent power is removed in sewage further of zeolite, the ammonia nitrogen that utilize celluar concrete in this layer, it is ensured that water outlet reaches corresponding water quality requirement.
Wherein said Height Adjustable outlet can pass through adjusting water outlet height, control sewage water level in whole clean-up bed, namely regulate the depth of immersion in broken limestone layer, thus controlling the clean-up effect of total phosphorus, namely when total phosphorus content height in sewage, depth of immersion is high, and sewage and limestone are long for time of contact, then total phosphorus removal amount is big; Accordingly, if total phosphorus content is low in sewage, then adjusting height of outlet, reduces depth of immersion, shortens sewage and limestone time of contact, reduce the consumption of limestone, promote the service life of this clean-up bed.
The composite bed of wherein said clay and planting soil, plantation has the plant of certain detergent power and landscape effect, vegetation period available root system of plant purification, promote the overall clean-up effect of this clean-up bed.
This is sewage purification bed when being operated, sewage is entered cloth water channel by water inlet pipe, pass through gravel packing, it was then passed through spray wall even into cinder corruption wood iron filings composite purification layer, in this composite purification layer, sewage flows from bottom to top, through broken limestone layer, climb over partition wall top and enter the haydite compounded purifying layer of property of modified rectorite. Afterwards, sewage climbs over partition wall top and enters celluar concrete zeolite composite purification layer at this, and through the process of this composite purification layer, the sewage after purification enters braiding channel by Height Adjustable outlet after being collected by feedwater piping, discharges eventually through outlet pipe.
The invention has the beneficial effects as follows, the organic pollution in sewage can be removed effectively by multimedium composite purification layer; Clean-up bed can adapt to the change of sewage quality flexibly. The present invention utilizes the optimum organization of medium to realize the high-efficient purification to dirty pollutant in water, device flexible design, and strong adaptability, treatment effeciency are high.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention.
In figure, 1-water inlet pipe, 2-cloth water channel, 3-gravel packing, 4-crosses spray wall, 5-cinder corruption wood iron filings composite purification layer, 6-partition wall one, the haydite compounded purifying layer of 7-property of modified rectorite, 8-partition wall two, 9-celluar concrete zeolite composite purification layer, the broken limestone layer of 10-, 11-partition wall three, 12-clay and planting soil composite bed, 13-Concrete Anti infiltration layer, 14-braiding channel, 15-collecting conduit, the Height Adjustable outlet of 16-, 17-outlet pipe.
Detailed description of the invention
As it is shown in figure 1, this device includes water inlet pipe 1, cloth water channel 2, gravel packing 3, crosses spray wall 4, cinder corruption wood iron filings composite purification layer 5, partition wall one (6), the haydite compounded purifying layer of property of modified rectorite 7, partition wall two (8), celluar concrete zeolite composite purification layer 9, broken limestone layer 10, partition wall three (11), clay and planting soil composite bed 12, Concrete Anti infiltration layer 13, braiding channel 14, collecting conduit 15, Height Adjustable outlet 16, outlet pipe 17; Described gravel packing 3 is positioned at bottom cloth water channel 2; Cross after spray wall 4 is positioned at cloth water channel 2; Clay and planting soil composite bed 12, in the uppermost position of device, are broken limestone layer 10 immediately below; Broken limestone layer 10 is cinder corruption wood iron filings composite purification layer 5, partition wall 16, the haydite compounded purifying layer 7 of property of modified rectorite, partition wall two (8), celluar concrete zeolite composite purification layer 9 successively below after crossing spray wall 4;Partition wall three (11) is positioned at property of modified rectorite haydite compounded purifying layer 7 centre position, is upward through broken limestone layer 10 and clay and planting soil composite bed 12; Device bottom is Concrete Anti infiltration layer 13; Collecting conduit 15 connects Height Adjustable outlet 16, and Height Adjustable outlet 16 is positioned at the centre position of braiding channel 14.
This is sewage purification bed when being operated, sanitary sewage is entered cloth water channel by water inlet pipe, pass through gravel packing, it was then passed through spray wall even into cinder corruption wood iron filings composite purification layer, in this composite purification layer, sewage flows from bottom to top, through broken limestone layer, climb over partition wall top and enter the haydite compounded purifying layer of property of modified rectorite. Afterwards, sewage climbs over partition wall top and enters celluar concrete zeolite composite purification layer at this, and through the process of this composite purification layer, the sewage after purification enters braiding channel by Height Adjustable outlet after being collected by feedwater piping, discharges eventually through outlet pipe. This Constructed Wetland For Purifying bed design load is more than 0.08m3/m2D; Sanitary sewage is through this multimedium clean-up bed, and the removal efficiency of COD of sewage, ammonia nitrogen and total phosphorus is respectively greater than 90%, 80% and 75%.
Claims (6)
1. a multimedium artificial swamp is sewage purification bed, it is characterized in that, including water inlet pipe, cloth water channel, gravel packing, cross spray wall, cinder corruption wood iron filings composite purification layer, partition wall one, the haydite compounded purifying layer of property of modified rectorite, partition wall two, celluar concrete zeolite composite purification layer, broken limestone layer, partition wall three, clay and planting soil composite bed, Concrete Anti infiltration layer, braiding channel, collecting conduit, Height Adjustable outlet, outlet pipe; Described gravel packing is positioned at bottom cloth water channel; Cross after spray wall is positioned at cloth water channel; Clay and planting soil composite bed, in described a kind of sewage purification bed uppermost position of multimedium artificial swamp, are broken limestone layer immediately below; It is cinder corruption wood iron filings composite purification layer, partition wall one, the haydite compounded purifying layer of property of modified rectorite, partition wall two, celluar concrete zeolite composite purification layer successively after crossing spray wall below broken limestone layer; Partition wall three is positioned at the haydite compounded purifying layer centre position of property of modified rectorite, is upward through broken limestone layer and clay and planting soil composite bed; Described a kind of sewage purification bed bottom of multimedium artificial swamp is Concrete Anti infiltration layer; Collecting conduit connects Height Adjustable outlet, and Height Adjustable outlet is positioned at the centre position of braiding channel.
2. a kind of multimedium artificial swamp according to claim 1 is sewage purification bed, it is characterised in that described gravel packing, gravel layer thickness 50-70cm, grain size of gravel 10-20mm.
3. a kind of multimedium artificial swamp according to claim 1 is sewage purification bed, it is characterized in that described cinder corruption wood iron filings composite purification layer, in this layer, cinder particle diameter to be 5-15mm, rotten wood particle diameter be 10-20mm, iron filings particle diameter are 2-4mm, and three is according to volume ratio 70:29.5:0.5 Homogeneous phase mixing.
4. a kind of multimedium artificial swamp according to claim 1 is sewage purification bed, it is characterised in that the haydite compounded purifying layer of described property of modified rectorite, and in this layer, property of modified rectorite particle diameter is 4-8mm, haydite particle diameter 6-8mm; The two is according to volume ratio 2:1 Homogeneous phase mixing.
5. a kind of multimedium artificial swamp according to claim 1 is sewage purification bed, it is characterized in that described celluar concrete zeolite composite purification layer, in this layer, celluar concrete particle diameter is 5-15mm, and celluar concrete interior porosity is not less than 40%, sized zeolite particles 5-8mm;The two is according to volume ratio 1:1 Homogeneous phase mixing.
6. a kind of multimedium artificial swamp according to claim 1 is sewage purification bed, it is characterized in that described Height Adjustable outlet can pass through adjusting water outlet height, control sewage water level in whole clean-up bed, namely regulate the depth of immersion in broken limestone layer, thus controlling the clean-up effect of total phosphorus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410788538.3A CN104556564B (en) | 2014-12-19 | 2014-12-19 | A kind of multimedium artificial swamp is sewage purification bed |
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| CN201410788538.3A CN104556564B (en) | 2014-12-19 | 2014-12-19 | A kind of multimedium artificial swamp is sewage purification bed |
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| CN104556564A CN104556564A (en) | 2015-04-29 |
| CN104556564B true CN104556564B (en) | 2016-06-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106745770A (en) * | 2016-12-27 | 2017-05-31 | 怀宁鑫橙信息技术有限公司 | A kind of method for waterproofing |
| CN111533369A (en) * | 2020-04-24 | 2020-08-14 | 北京土人城市规划设计股份有限公司 | Wetland sewage purification system |
| CN113023896A (en) * | 2021-03-11 | 2021-06-25 | 中国科学院地理科学与资源研究所 | Filler for purifying non-point source pollutants and wetland bed |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8252182B1 (en) * | 2008-09-11 | 2012-08-28 | University Of Central Florida Research Foundation, Inc. | Subsurface upflow wetland system for nutrient and pathogen removal in wastewater treatment systems |
| CN101987760B (en) * | 2009-07-31 | 2012-06-27 | 辽宁北方环境保护有限公司 | Horizontal underflow constructed wetland capable of strengthening denitrification at low temperature |
| CN101781060B (en) * | 2010-03-02 | 2012-04-18 | 河北农业大学 | Composite artificial wetland sewage treatment system |
| CN101955297B (en) * | 2010-08-13 | 2012-05-09 | 武汉中科水生环境工程有限公司 | Landscape-type composite artificial wetland treatment device for eutrophication water body and application thereof |
| CN102674552B (en) * | 2011-03-08 | 2015-01-21 | 北京仁创科技集团有限公司 | Water treatment system of artificial wetland |
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Granted publication date: 20160615 Termination date: 20161219 |