CN104671422A - Low bed reinforced surface flow constructed wetland system and operation methods thereof - Google Patents
Low bed reinforced surface flow constructed wetland system and operation methods thereof Download PDFInfo
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- CN104671422A CN104671422A CN201510097997.1A CN201510097997A CN104671422A CN 104671422 A CN104671422 A CN 104671422A CN 201510097997 A CN201510097997 A CN 201510097997A CN 104671422 A CN104671422 A CN 104671422A
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- furrow
- low
- bed body
- matrix
- water inlet
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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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- 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
Abstract
The invention provides a low bed reinforced surface flow constructed wetland system and operation methods thereof. The constructed wetland system comprises a water inlet pipe, water distribution weirs, a bed body, water outlet weirs and a water outlet pipe, wherein the bed body is filled with a matrix, the water inlet pipe and the water outlet pipe are arranged on the bed body, the water distribution weirs and the water outlet weirs are arranged on one side of the water inlet pipe and one the side of the water outlet pipe in the bed body respectively, the bottom surface of the bed body is inclined from a water inlet end to a water outlet end, the inclination is 3.5%-5%, and low beds are formed through ridging on the matrix surface. The low bed reinforced surface flow constructed wetland system has two operation methods including a submerged type and a non-submerged type. The low bed reinforced surface flow constructed wetland system has small occupied area and low investment and operation cost, the operation and maintenance management are convenient, the contact area of the matrix is increased, the absorption and filtering efficiency of the matrix is higher, emerged plants, submerged plants and floating plants are matched and planted, the plant diversity is improved, the sewage purification effect is improved, more appropriate living environment is provided for aquatic organisms, and the food chain of the constructed wetland system is more complete.
Description
Technical field
The present invention relates to constructing and operation method of a kind of surface flow artificial marshland system for purifying the organic sewages such as life, belonging to water-treatment technology field.
Background technology
Artificial swamp copies natural wetland, by the artificial synthesis ecosystem built, control and run.Sewage, after being controlledly discharged into artificial swamp, under physics, chemistry, biological triple synergy, by the medium in wetland, plant and microorganism adsorption, filtration, decomposition, reaches the good benefit of sewage disposal and resource utilization.Meanwhile, due to artificial swamp, there is investment and run, the plurality of advantages such as maintenance cost is low, applied widely, and shock-resistant and load is strong, obtained at present and applied more widely.According to system water distribution manner, artificial swamp can be divided into surface flow artificial marshland, horizontal drowned flow artificial wet land and vertical subsurface flow wetland.
Wherein, surface flow artificial marshland refers to the structures of sewage from wetland surface cross flow, and compared with the artificial swamp of other type, its structure is simple, and building cost is low.Sewage advances under stromal surface plug-flow, reaches the object of purifying waste water by plant and the biochemical action of microorganism, the adsorption filtration sedimentation of matrix.
But, existing surface flow artificial marshland because animals and plants kind is more single, biologic chain fracture and current and bed contact level amass the reasons such as little, there is the drawbacks such as wastewater purification efficiency is low, water outlet is muddy.
Summary of the invention
The deficiency that the present invention is directed to that the cleaning water that existing surface flow artificial marshland exists is low, water outlet is muddy etc., provides a kind of and realizes aquatic animals and plants diversity, can significantly improve low furrow strengthening surface flow artificial marshland system and the operation method thereof of cleaning water.
Low furrow strengthening surface flow artificial marshland system of the present invention, adopts following technical proposals:
This artificial wet land system, comprise water inlet pipe, cloth mill weir, bed body, effluent weir and rising pipe, matrix is filled with in bed body, bed body is provided with water inlet pipe and rising pipe, the inherent water inlet pipe side of bed body and rising pipe side are respectively arranged with cloth mill weir and effluent weir, bed body bottom surface is tilted to water side by feed-water end, and obliquity is 3.5%-5%, forms low furrow at stromal surface making ridge.
Described bed body is rectangle, and long-width ratio is 1.8-2.0:1, and its length and width are determined according to practical situation, and the degree of depth is 1.2-1.3m.
Described matrix depth of cracking closure is 0.6-0.7m.
Described cloth mill weir and effluent weir are arranged on the above 0.3m place of stromal surface.
Described cloth mill weir and effluent weir are all for the height piled up by the gravel of particle diameter 12-20cm is the V-notch weir of 0.4-0.45m.
Describedly form low furrow at stromal surface making ridge, refer to pile up in stromal surface and go to the bottom and the high trapezoidal ridge being 0.5-0.6m, make stromal surface form low furrow, low furrow width is 3-3.2m, and shared by trapezoidal ridge, stromal surface area control is at the 35-38% of matrix total surface area.
The operation method of above-mentioned low furrow strengthening surface flow artificial marshland system is:
(1) submerged runs:
Trapezoidal ridge place plantation emergent, the heavy water of furrow face plantation of low furrow or pleuston, maintenance 3-5 days, after plant survival, dwell hydrocoles at the input end, commencement of commercial operation after 15 days; During operation, sewage enters a body by water inlet pipe through cloth mill weir, and floods matrix (comprising the furrow face of trapezoidal ridge and low furrow) completely, and current flow between stromal surface and plant, after being fully purified, are flowed out by rising pipe through effluent weir.
(2) non-submersion formula is run:
Trapezoidal ridge place plantation emergent, the heavy water of furrow face plantation of low furrow or pleuston, maintenance 3-5 days, after plant survival, dwell hydrocoles at the input end, commencement of commercial operation after 15 days; During operation, sewage enters a body by water inlet pipe through cloth mill weir, during operation, sewage enters a body by water inlet pipe through cloth mill weir, control sewage to flow in the furrow face of low furrow, ensure that matrix is in non-fully submerged condition, current flow in the gap of matrix and root system of plant, after being purified, flowed out by rising pipe through effluent weir.
The present invention has following characteristics:
(1) compared with traditional surface flow artificial marshland, the contact area of matrix increases, and the adsorption filtration efficiency of matrix is higher.
(2) very water, heavy water and pleuston collocation plantation, the diversity of plant increases, and improves wastewater purifying efficiency.
(3) make wet land system biologic chain more complete for hydrobiont provides living environment preferably.
(4) floor space is little, and operation maintenance management is convenient, investment and working cost low.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's low furrow strengthening surface flow artificial marshland system.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the schematic cross section of Fig. 1.
In figure: 1, water inlet pipe, 2, cloth mill weir, 3, bed body, 4, rising pipe, 5, low furrow.
Embodiment
Low furrow formula surface flow artificial marshland system of the present invention, its structure as shown in Figure 1, Figure 2 and Figure 3.Comprise water inlet pipe 1, cloth mill weir 2, bed body 3, effluent weir and rising pipe 4.Bed body 3 is built up by concrete, and be rectangle, long-width ratio is 1.8-2.0:1, and its length and width are determined according to practical situation, and the degree of depth is 1.2-1.3m.Filling substrate (light loam and medium loam) in bed body 3, and compacting, depth of cracking closure is 0.6-0.7m.The both sides of the length direction of bed body 3 respectively more than stromal surface about 0.3m place water inlet pipe 1 and rising pipe 4 are set respectively.The both sides of the length direction of bed body 3 are respectively arranged with cloth mill weir 2 and effluent weir, and cloth mill weir 2 and effluent weir are all for the height piled up by gravel or the stone of particle diameter 12-20cm is the V-notch weir of 0.4-0.45m.Bed body 3 bottom surface is tilted to water side by feed-water end, and obliquity is 3.5%-5%.
Pile up in stromal surface and go to the bottom and the high trapezoidal ridge being 0.5-0.6m, make stromal surface making ridge form low furrow 5, low furrow width is 3-3.2m, and shared by trapezoidal ridge, stromal surface area control is at the 35-38% of matrix total surface area.
Low furrow formula surface flow artificial marshland is divided into submerged and non-submersion formula two kinds of operation methods.
The low furrow surface flow artificial marshland of submerged, is pile up in stromal surface to go to the bottom and the high trapezoidal ridge being 0.5-0.55m, forms low furrow 6, the wide 3.1-3.2m of furrow.Plantation emergent (reed, wild rice grass etc.) in trapezoidal ridge, the heavy water of furrow face plantation or pleuston (eel grass, Nymphoides dish etc.).After maintenance 3-5 days, dwell hydrocoles (Chinese river snail etc.) at the input end, gets final product commencement of commercial operation after 15 days.During operation, sewage enters a body 1 by water inlet pipe 1 through cloth mill weir 2 and floods trapezoidal completely.
The low furrow surface flow artificial marshland of non-submersion formula, stromal surface pile up trapezoidal ridge higher than submerged, go to the bottom and height be 0.55-0.6m, form low furrow 6, the wide 3.0-3.1m of furrow.Trapezoidal ridge place plantation emergent (reed), furrow face kind planting submerged plant (black algae).After maintenance 3-5 days, throwing in the ends such as Chinese river snail dwells hydrocoles, gets final product commencement of commercial operation after 15 days.During operation, sewage enters a body 1 by water inlet pipe 1 through cloth mill weir 2, controls sewage and moves along furrow surface current and do not flood trapezoidal ridge.
Claims (7)
1. one kind low furrow strengthening surface flow artificial marshland system, comprise water inlet pipe, cloth mill weir, bed body, effluent weir and rising pipe, it is characterized in that, matrix is filled with in bed body, bed body is provided with water inlet pipe and rising pipe, and the inherent water inlet pipe side of bed body and rising pipe side are respectively arranged with cloth mill weir and effluent weir, and bed body bottom surface is tilted to water side by feed-water end, obliquity is 3.5%-5%, forms low furrow at stromal surface making ridge.
2. low furrow strengthening surface flow artificial marshland system according to claim 1, it is characterized in that, described bed body is rectangle, and long-width ratio is 1.8-2.0:1, and the degree of depth is 1.2-1.3m.
3. low furrow strengthening surface flow artificial marshland system according to claim 1, it is characterized in that, described matrix depth of cracking closure is 0.6-0.7m.
4. low furrow strengthening surface flow artificial marshland system according to claim 1, it is characterized in that, described cloth mill weir and effluent weir are arranged on the above 0.3m place of stromal surface.
5. low furrow strengthening surface flow artificial marshland system according to claim 1, it is characterized in that, described cloth mill weir and effluent weir are all for the height piled up by the gravel of particle diameter 12-20cm is the V-notch weir of 0.4-0.45m.
6. low furrow strengthening surface flow artificial marshland system according to claim 1, it is characterized in that, describedly form low furrow at stromal surface making ridge, refer to pile up in stromal surface and go to the bottom and the high trapezoidal ridge being 0.5-0.6m, stromal surface is made to form low furrow, low furrow width is 3-3.2m, and stromal surface area shared by trapezoidal ridge is the 35-38% of matrix total surface area.
7. an operation method for low furrow strengthening surface flow artificial marshland system according to claim 1, is characterized in that, comprise submerged and run and the operation of non-submersion formula:
(1) submerged runs:
Trapezoidal ridge place plantation emergent, the heavy water of furrow face plantation of low furrow or pleuston, maintenance 3-5 days, after plant survival, dwell hydrocoles at the input end, commencement of commercial operation after 15 days; During operation, sewage enters a body by water inlet pipe through cloth mill weir, and floods matrix (comprising the furrow face of trapezoidal ridge and low furrow) completely, and current flow between stromal surface and plant, after being fully purified, are flowed out by rising pipe through effluent weir.
(2) non-submersion formula is run:
Trapezoidal ridge place plantation emergent, the heavy water of furrow face plantation of low furrow or pleuston, maintenance 3-5 days, after plant survival, dwell hydrocoles at the input end, commencement of commercial operation after 15 days; During operation, sewage enters a body by water inlet pipe through cloth mill weir, during operation, sewage enters a body by water inlet pipe through cloth mill weir, control sewage to flow in the furrow face of low furrow, ensure that matrix is in non-fully submerged condition, current flow in the gap of matrix and root system of plant, after being purified, flowed out by rising pipe through effluent weir.
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| CN201510097997.1A CN104671422B (en) | 2015-03-05 | 2015-03-05 | Low bed reinforced surface flow constructed wetland system and operation methods thereof |
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| CN104671422A true CN104671422A (en) | 2015-06-03 |
| CN104671422B CN104671422B (en) | 2017-04-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906067A (en) * | 2016-06-21 | 2016-08-31 | 山东建筑大学 | High and low ridge type artificial wetland capable of being constructed in modular mode |
| CN112374614A (en) * | 2020-11-19 | 2021-02-19 | 山东建筑大学 | Constructed wetland system with variable water treatment amount of ridge structure and operation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5174897A (en) * | 1991-09-24 | 1992-12-29 | The United States Of America As Represented By The Secretary Of Agriculture | Constructed wetlands to control nonpoint source pollution |
| CN200940111Y (en) * | 2006-07-28 | 2007-08-29 | 山东大学 | Artificial wet land by using sectional type biological-grid |
| CN102126794A (en) * | 2011-04-08 | 2011-07-20 | 中国人民解放军后勤工程学院 | Artificial wetland purifying system for free waterfall aeration |
| CN102359172A (en) * | 2011-08-22 | 2012-02-22 | 重庆大学 | City life residential area rainwater shunting, collecting and treating system |
| CN203144180U (en) * | 2012-12-28 | 2013-08-21 | 上海勘测设计研究院 | Ecological environment of composite surface-flow wetland |
-
2015
- 2015-03-05 CN CN201510097997.1A patent/CN104671422B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5174897A (en) * | 1991-09-24 | 1992-12-29 | The United States Of America As Represented By The Secretary Of Agriculture | Constructed wetlands to control nonpoint source pollution |
| CN200940111Y (en) * | 2006-07-28 | 2007-08-29 | 山东大学 | Artificial wet land by using sectional type biological-grid |
| CN102126794A (en) * | 2011-04-08 | 2011-07-20 | 中国人民解放军后勤工程学院 | Artificial wetland purifying system for free waterfall aeration |
| CN102359172A (en) * | 2011-08-22 | 2012-02-22 | 重庆大学 | City life residential area rainwater shunting, collecting and treating system |
| CN203144180U (en) * | 2012-12-28 | 2013-08-21 | 上海勘测设计研究院 | Ecological environment of composite surface-flow wetland |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105906067A (en) * | 2016-06-21 | 2016-08-31 | 山东建筑大学 | High and low ridge type artificial wetland capable of being constructed in modular mode |
| CN112374614A (en) * | 2020-11-19 | 2021-02-19 | 山东建筑大学 | Constructed wetland system with variable water treatment amount of ridge structure and operation method |
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| CN104671422B (en) | 2017-04-19 |
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