CN101376543B - Helical flute circular current type subsurface flow constructed wetland - Google Patents
Helical flute circular current type subsurface flow constructed wetland Download PDFInfo
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- CN101376543B CN101376543B CN2008101402891A CN200810140289A CN101376543B CN 101376543 B CN101376543 B CN 101376543B CN 2008101402891 A CN2008101402891 A CN 2008101402891A CN 200810140289 A CN200810140289 A CN 200810140289A CN 101376543 B CN101376543 B CN 101376543B
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- pipe
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- spiral groove
- microlith
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Treatment Of Biological Wastes In General (AREA)
Abstract
The invention provides a spiral groove circumfluent subsurface-flow artificial wetland which comprises a main body. The main body is spiral groove-shaped. A water inlet pipe and a water outlet pipe are respectively arranged at the two ends of the main body. A water-distributing pipe is connected with the water outlet end of the water inlet pipe. A perforated plate is arranged at the site of the water outlet pipe inside the spiral groove. Gravels (particle size in the range from 3cm to 4cm) are filled in the space between the perforated plate and the inner wall of the spiral groove. A rough stone layer, a fine stone layer and a soil layer are distributed inside the spiral groove of the main body in sequence from bottom to top. A perforated pipe communicated with the atmosphere is arranged along the whole spiral groove between the rough stone layer and the soil layer, and air holes are formed in the radial direction on the perforated pipe. The spiral groove circumfluent subsurface-flow artificial wetland adopts the spiral groove-shaped main body to increase the flow length in a certain area and prolong the time of sewage treatment; and has the characteristics of simple structure, high sewage treatment capacity, small occupied area, high treatment efficiency, no blockage, stable operation, low cost and good shock resistance.
Description
Technical field
The present invention relates to drowned flow artificial wet land, belong to the biologic treating technique field of dirty river course and sanitary sewage received.
Background technology
Artificial swamp is the emerging sewage treatment process that grows up the seventies in last century, because its construction and working cost is low, safeguard characteristics such as simple, effective, widely applicable has obtained using widely.According to the feature of current, artificial swamp can be divided into surface current wetland and current wetland.The surface current wetland is because the water surface is exposed in the air, and easily freeze winter, easily grows mosquitos and flies summer, distributes foul smell, and floor space is big, so less employing.The undercurrent type wetland has been because current in the wetland internal flow, have been avoided the shortcoming of surface current, and sewage abundant contacting substrate surface when flowing between the matrix slit, its adsorb and ion-exchange capacity much larger than surface current.Simultaneously, matrix granule provides a large amount of surfaces to supply microorganic adhesion, and the inner microorganism of wetland is abundant, good sewage processing effect.But also exist big, the easy blocking problem of floor space, cause surperficial backwater.
Summary of the invention
The present invention is for remedying above-mentioned the deficiencies in the prior art, and a kind of simple in structure, processing efficiency is high, floor space is less helical flute circular current type subsurface flow constructed wetland is provided.
The present invention adopts following technical solution:
Helical flute circular current type subsurface flow constructed wetland comprises main body, main body is the groove shape in the shape of a spiral, its two ends are respectively equipped with water inlet pipe and rising pipe, the water side of water inlet pipe is connected with the perforation water distributor, the inherent rising pipe of spiral slot place is provided with perforation plate, be filled with the stone that particle diameter is 3cm-4cm between perforation plate and the spiral slot inwall, be filled with the rubble layer in the spiral slot of main body from bottom to top successively, microlith layer and pedosphere, the rubble layer, microlith layer and pedosphere three's height ratio is 4:3:2, the particle diameter of rubble is 3cm-4cm, the microlith particle diameter is 1cm-2cm, to being provided with the perforated pipe that communicates with atmosphere along whole spiral channel between the pedosphere, perforated pipe is provided with radially production well at the rubble layer.
Perforated pipe is fitted together by inside and outside two-layer pipe box to be formed, and is filled with the microlith that particle diameter is 1cm-2cm between the two-layer pipe, is equipped with radially production well on the wall of two-layer pipe.
During operation, sewage is entered by water inlet pipe, flows to the spiral slot bottom, through rubble layer and microlith layer.Condition has been created in the biomembranous formation that exists for of rubble layer and microlith layer matrix, helps filtration, absorption and the degraded of pollutent.Air enters treatment zone by perforated pipe, to replenish the deficiency of dissolved oxygen in the pond, promotes the nitrification of microorganism, has improved the nitric efficiency of sewage, and because plant obtains competent oxygen, has guaranteed its well-grown; Because the feeding of air reduces the organism amount, impels miniature metazoan to produce simultaneously, can engulf more microorganism, has effectively prevented obstruction.Sewage is discharged by rising pipe behind the treatment zone of flowing through.
The present invention adopts spiral slot shape bed body, has increased current length in certain floor space, has prolonged the time of sewage disposal.Can effectively reduce nutritive substances such as the COD of sewage and nitrogen phosphorus, have simple in structure, the amount of disposing of sewage big and floor space is little, processing efficiency is high, be difficult for stopping up, the characteristics of stable, with low cost, strong shock resistance.
Description of drawings
Fig. 1 is a plan structure synoptic diagram of the present invention.
Fig. 2 is along the cross-sectional view of A-A line among Fig. 1.
Fig. 3 is the synoptic diagram that the bottom connects between the perforated pipe adjacent in the spiral channel.
Among the figure: 1, main body, 2, water inlet pipe, 3, rising pipe, 4, the perforation water distributor, 5, perforated pipe, 6, gravel, 7, perforation plate, 8, the microlith layer, 9, pedosphere, 10, the rubble layer, 11, plant, 12, production well radially, 13, interior pipe, 14, gravel, 15, outer tube.
Embodiment
As depicted in figs. 1 and 2, helical flute circular current type subsurface flow constructed wetland of the present invention comprises main body 1, and main body 1 is the groove shape in the shape of a spiral, is built into by masonry and cement, and its spiral slot is circular, also can be ellipse, so that the water flows gently.The two ends of spiral groove type main body 1 are respectively equipped with water inlet pipe 2 and rising pipe 3, and the inner end is a feed-water end, and the outer end is the water side.Spiral groove type main body 1 can increase current length in same floor space, prolonged the sewage disposal time, improves treatment effect.2/3 of spiral slot shape main body 1 height locates below ground level, and plays insulation effect.The water side of water inlet pipe 2 is connected with perforation water distributor 4, so that sewage disperses to enter the spiral slot of main body 1.The gravel 6 that particle diameter is about 1cm-2cm can be placed in the surface, inner end of spiral groove type main body 1, washes away edaphic when preventing into water better.The inherent rising pipe of spiral slot 3 places are provided with perforation plate 7, are filled with the stone that particle diameter is 3cm-4cm between perforation plate 7 and the spiral slot inwall.As shown in Figure 2, fill out successively from bottom to top in the spiral slot of main body 1 and be provided with rubble layer 10, microlith layer 8 and pedosphere 9, rubble and microlith adopt Wingdale or gravel.Rubble layer 10, microlith layer 8 and pedosphere 9 threes' height is respectively 40cm, 30cm and 20cm.The particle diameter of rubble is about 3cm-4cm, and the microlith particle diameter is about 1cm-2cm.Along vertically being placed with the perforated pipe 5 that communicates with atmosphere in the whole spiral slot of main body 1 at interval, perforated pipe 5 inserts between microlith layer 8 and the pedosphere 9, to charge into air in microlith layer 8 and pedosphere 9.Spacing distance between the perforated pipe 5 can be set according to concrete sewage disposal situation.As shown in Figure 2, perforated pipe 5 is sleeved on together by interior pipe 13 and outer tube 15 to be formed, and being filled with particle diameter between the two-layer pipe is the gravel 14 of 1cm-2cm, is equipped with radially production well 12 (interior pipe 13 do not draw radially production well) on the wall of two-layer pipe.As shown in Figure 3, the bottom links together between the interior adjacent perforated pipe of spiral slot.
The outer end that also can make spiral slot main body 1 is a feed-water end, and the inner end is the water side.
Sewage enters the inner lane of spiral slot by water inlet pipe 2, and air is entered by perforated pipe 5, and sewage is handled through circulation, is finally discharged by rising pipe 3.Plant in the pedosphere 9 and be implanted with plant 11.Plant 11 selects that durability against pollutions are strong, well developed root system, increment is big, diseases and insect pests resistance is strong aquatic dominant plant, as reed, cattail, wild rice grass and water branch cotton etc.
Claims (2)
1. helical flute circular current type subsurface flow constructed wetland, comprise main body, it is characterized in that: main body is the groove shape in the shape of a spiral, its two ends are respectively equipped with water inlet pipe and rising pipe, the water side of water inlet pipe is connected with the perforation water distributor, the inherent rising pipe of spiral slot place is provided with perforation plate, be filled with the stone that particle diameter is 3cm-4cm between perforation plate and the spiral slot inwall, be filled with the rubble layer in the spiral slot of main body from bottom to top successively, microlith layer and pedosphere, the rubble layer, microlith layer and pedosphere three's height ratio is 4:3:2, the particle diameter of rubble is 3cm-4cm, the microlith particle diameter is 1cm-2cm, to being provided with the perforated pipe that communicates with atmosphere along whole spiral channel between the pedosphere, perforated pipe is provided with radially production well at the rubble layer.
2. helical flute circular current type subsurface flow constructed wetland according to claim 1, it is characterized in that: described perforated pipe is fitted together by inside and outside two-layer pipe box to be formed, be filled with the microlith that particle diameter is 1cm-2cm between the two-layer pipe, be equipped with radially production well on the wall of two-layer pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101402891A CN101376543B (en) | 2008-09-25 | 2008-09-25 | Helical flute circular current type subsurface flow constructed wetland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101402891A CN101376543B (en) | 2008-09-25 | 2008-09-25 | Helical flute circular current type subsurface flow constructed wetland |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101376543A CN101376543A (en) | 2009-03-04 |
| CN101376543B true CN101376543B (en) | 2010-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101402891A Expired - Fee Related CN101376543B (en) | 2008-09-25 | 2008-09-25 | Helical flute circular current type subsurface flow constructed wetland |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104261565B (en) * | 2014-10-20 | 2016-02-10 | 湖南大学 | A kind of three-dimensional radial inflow artificial marsh sewage treatment system |
| CN105036450A (en) * | 2015-05-08 | 2015-11-11 | 中国电建集团贵阳勘测设计研究院有限公司 | Method and device for treating rural domestic sewage by three-stage circulation type artificial wetland |
| CN110510746B (en) * | 2019-08-30 | 2020-04-21 | 中国水利水电科学研究院 | Artificial wetland device |
| CN111624087B (en) * | 2020-04-20 | 2021-08-27 | 山东大学 | Horizontal jet-mechanical combined rock breaking test device and method |
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2008
- 2008-09-25 CN CN2008101402891A patent/CN101376543B/en not_active Expired - Fee Related
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| CN101376543A (en) | 2009-03-04 |
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