CN101708898A - Quasi-undercurrent aeration constructed wetlands - Google Patents
Quasi-undercurrent aeration constructed wetlands Download PDFInfo
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- CN101708898A CN101708898A CN200910222207A CN200910222207A CN101708898A CN 101708898 A CN101708898 A CN 101708898A CN 200910222207 A CN200910222207 A CN 200910222207A CN 200910222207 A CN200910222207 A CN 200910222207A CN 101708898 A CN101708898 A CN 101708898A
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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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Abstract
The invention provides quasi-undercurrent aeration constructed wetlands, which comprise a wetland main body, a water distribution board, a watertight shutter, a rheid meshed packing layer, a vermiculite packing layer, a soil packing layer, a packing frame and an aeration tube, wherein the inside of the wetland main body is provided with the water distribution board and the watertight shutter; the meshed packing layer, the vermiculite packing layer and the soil packing layer are sequentially arranged between a space between the water distribution board and the watertight shutter from the bottom to the top; the meshed packing layer adopts an arrangement structure that meshed packing is longitudinally arranged near both sides of the water distribution board and the watertight shutter, the meshed packing is tangential to a water flow direction, and the meshed packing of the middle part is arranged horizontally; the mesh bottom of the meshed packing layer is 4 to 8 centimeters away from the bottom of the wetland main body; the meshed packing is hung on the packing frame; wetland plants are planted on the soil packing layer; and the aeration tube is arranged on the bottom between the water distribution board and the watertight shutter. The quasi-undercurrent aeration constructed wetlands have the characteristics of multiple designs and multiple guarantees so as to prevent the wetlands from being blocked and effectively process sewage in high quality.
Description
Technical field
The present invention relates to a kind of drowned flow artificial wet land, belong to the sewage purification technology field.
Background technology
Constructed wetland waste water treatment technology is a sewage disposal ecological engineering new technology, and advantage such as, ecological, environmental protective low because of its less investment, energy consumption, convenient management is subjected to environmental protection scientific worker's generally attention.Drowned flow artificial wet land is as one type of artificial swamp, and it is subjected to that weather effect is little, space availability ratio is high and has given full play to synergy between system, and sewage treatment capacity is increased substantially, and broad prospect of application is arranged.But traditional method many with stone, gravel as filler, load when higher when particulate matter, the insoluble substance alluvial is easily blocked, and makes current obstructed, the wetland function reduction.
Summary of the invention
The present invention is directed to the deficiency of existing drowned flow artificial wet land technology, a kind of soft, hardware filler and usefulness are provided, difficultly stop up, simple in structure, with low cost, stable performance, quasi-undercurrent aeration constructed wetlands that the efficient of disposing of sewage is high.
Quasi-undercurrent aeration constructed wetlands of the present invention adopts following technical proposals to realize:
This quasi-undercurrent aeration constructed wetlands comprises wetland main body, water distribution board, water eliminator, net packing layer, vermiculite packing layer, soil packing layer, stuffing frame and aeration tube; The wetland main body is outer to be masonry structure, and internal layer is that handle through antiseepage the concrete structure bottom; Wetland body interior one side is provided with water distribution board, and the space between this side wall surface and the water distribution board forms tank, and wetland body interior opposite side is provided with water eliminator, and the space between this side wall surface and the water eliminator forms water reservoir; Be provided with net packing layer, vermiculite packing layer and soil packing layer in the space between water distribution board and the water eliminator from bottom to top successively, the arrangement of net packing layer is for vertically arranging near the net filler of water distribution board and water eliminator both sides, tangent with water (flow) direction, the net lateral arrangement at middle part, the net bottom of net packing layer is from wetland bottom part body 4cm-8cm, net filler lodge is planted wetland plant on the soil packing layer on stuffing frame; Bottom between water distribution board and water eliminator is provided with aeration tube.
Be provided with water inlet in the position of vermiculite packing layer on the water distribution board, be convenient to water distribution evenly, be beneficial to winter operation and reduced soil and ooze with the following of current.
The bottom of water eliminator is provided with mudhole in the position of net packing layer, and water flows into water reservoir in case be untreated completely.
Stuffing frame is made up of support bracket, bracing frame and aeration tube anchor three parts, and support bracket is connected the upper end of bracing frame, and the aeration tube anchor is connected the bottom of bracing frame, and support bracket is used for support lodge net filler, and the aeration tube anchor is used for fixing aeration tube.Support bracket is provided with hardware filler support net, and with support vermiculite packing layer, its net footpath should be less than the vermiculite particle diameter, in case vermiculite falls.
The earth that fetches earth is that rural area soil and the peat composed of rotten mosses are with 3: 2 mixed gained of mass ratio, so that plant-growth reduces under the soil and oozes in the soil packing layer.
The net filler adopts discarded sunshade net, safety net, fishing net etc., utilization of waste material.
During operation, start aerating apparatus, make the sewage uniform aeration, the sewage in the tank is flowed into by the water inlet on the water distribution board, through soil packing layer, vermiculite packing layer and software net packing layer, under wetland plant and action of microorganisms, sewage is effectively handled.Flowing into catch basin through water eliminator discharges.
Characteristics of the present invention are the multiple guarantee of multiple design, in case wetland stops up efficient high-quality disposing of sewage.On wetland makes up, adopt the software and hardware filler and, be main stuffing with discarded sunshade net, safety net, fishing net with, multidimensional cloth.Unique software cloth has increased the current transmitance, and its huge surface area, helps biofilm development, has strengthened wastewater purifying efficiency.Aeration at the bottom of the pond increases sewage treating efficiency, has further guaranteed not have to stop up.
Description of drawings
Fig. 1 is the structural profile synoptic diagram of wetland of the present invention.
Fig. 2 is the structural representation of the stuffing frame among the present invention.
Fig. 3 is the structural representation of the water distribution board among the present invention.
Fig. 4 is the structural representation of the water eliminator among the present invention.
Wherein: 1, wetland main body, 2, tank, 3, the net packing layer, 4, vermiculite packing layer, 5, the soil packing layer, 6, wetland plant, 7, water distribution board, 8, water eliminator, 9, water reservoir, 10, hardware filler support net, 11, stuffing frame, 12, aeration tube, 13, rising pipe, 14, valve, 15, water inlet, 16, mudhole.
Embodiment
As shown in Figure 1, the present invention mainly comprises wetland main body 1, water distribution board 7, water eliminator 8, software net packing layer 3, vermiculite packing layer 4, soil packing layer 5, stuffing frame 11 (as shown in Figure 2) and aeration tube 12.The skin of wetland main body 1 is masonry structure, and internal layer is concrete structure and handles through antiseepage, pollutes to ooze under the bilge water resisting.The inside left of wetland main body 1 (with location determination shown in Figure 1) is provided with water distribution board 7, and the right side is provided with water eliminator 8.The right flank of main body 1 is provided with rising pipe 13, and rising pipe 13 is provided with valve 14.Left side wall in the wetland main body 1 and the space between the water distribution board 7 form tank 2, and the space between right side wall and the water eliminator 8 forms water reservoir 9.The structure of water distribution board 7 as shown in Figure 3, middle level, the top vermiculite filler of water distribution board partly sets into the mouth of a river 15, be convenient to water distribution evenly, be beneficial to winter operation and reduced soil and ooze with the following of current.The structure of water eliminator 8 as shown in Figure 4, its underpart is provided with a plurality of mudholes 16 in the position of net filler, hole is positioned under the underfilling top layer, in case the water that is untreated completely flows into water reservoir 9.
The spatial bottom is provided with aeration tube between water distribution board 7 and the water eliminator 8, is filler in the space, and filler is followed successively by software net packing layer 3, vermiculite packing layer 4 and soil packing layer 5 from bottom to top.Net filler in the net packing layer 3 adopts discarded sunshade net, safety net, fishing net etc., arranges specifically that referring to Fig. 1 the safety net of the left and right sides is vertically arranged, with tangent with water (flow) direction, makes current even, is convenient to sewage disposal; Intermediary safety net lateral arrangement increases the current transmitance, and enhancement process efficient is for microorganism provides vast bond area and good living environment.The net bottom of net packing layer 3 4-8cm at the bottom of the pond is convenient to the unrestricted flow and the cleaning of water.Software net filler lodge is on the high stuffing frame 11 of 50cm, the structure of stuffing frame 11 such as Fig. 2, form by support bracket, bracing frame and aeration tube anchor three parts, support bracket is arranged on above the bracing frame, the aeration tube anchor is arranged on the bracing frame bottom, play support lodge net filler respectively, support and the fixedly effect of aeration tube.Hardware filler support net 10 (also can adopt perforation PVC plate) is set with the vermiculite packing layer 4 of support 30cm thickness etc. on the support bracket of stuffing frame 11, its net footpath should be less than the vermiculite particle diameter, in case vermiculite falls.The thickness of upper layer of soil packing layer 5 is 5cm, and the earth that fetches earth is that rural area soil and the peat composed of rotten mosses are with 3: 2 mixed gained of mass ratio, so that plant-growth reduces under the soil and oozes.Plant on the soil packing layer 5 and be implanted with wetland plant 6.
During operation, sewage flows into packing layer by the water inlet 15 of tank 2 on water distribution board 7, water flows through each layer filler, under the processing layer by layer of plant, filler, microorganism, pollutants in sewage matter is effectively removed, and the water after the purification flows out by rising pipe 13 enter water reservoir 8 in the mudhole 16 that water eliminator distributes for 8 times after.
The present invention has the following advantages:
1, simple in structure, easy to operate, with low cost, the low and N of operating cost, P clearance height.
2, anti-water hydraulic blow load-bearing capacity is strong, can not stop up, and the ecosystem is stable.
3, give full play to wetland plant and microorganism to the detergent power of sewage, improved sewage treating efficiency, and can afforest and beautify to a certain extent environment.
4, use discarded object sustainable development to be arranged, environmental protection.
Claims (6)
1. a quasi-undercurrent aeration constructed wetlands comprises wetland main body, water distribution board, water eliminator, net packing layer, vermiculite packing layer, soil packing layer, stuffing frame and aeration tube; The wetland main body is outer to be masonry structure, and internal layer is that handle through antiseepage the concrete structure bottom; Wetland body interior one side is provided with water distribution board, and the space between this side wall surface and the water distribution board forms tank, and wetland body interior opposite side is provided with water eliminator, and the space between this side wall surface and the water eliminator forms water reservoir; It is characterized in that: be provided with net packing layer, vermiculite packing layer and soil packing layer in the space between water distribution board and the water eliminator from bottom to top successively, the arrangement of net packing layer is for vertically arranging near the net filler of water distribution board and water eliminator both sides, tangent with water (flow) direction, the net lateral arrangement at middle part, the net bottom of net packing layer is from wetland bottom part body 4cm-8cm, net filler lodge is planted wetland plant on the soil packing layer on stuffing frame; Bottom between water distribution board and water eliminator is provided with aeration tube.
2. quasi-undercurrent aeration constructed wetlands according to claim 1 is characterized in that: be provided with water inlet in the position of vermiculite packing layer on the described water distribution board.
3. quasi-undercurrent aeration constructed wetlands according to claim 1 is characterized in that; The bottom of described water eliminator is provided with mudhole in the position of net packing layer.
4. quasi-undercurrent aeration constructed wetlands according to claim 1, it is characterized in that: described stuffing frame is made up of support bracket, bracing frame and aeration tube anchor three parts, support bracket is connected the upper end of bracing frame, and the aeration tube anchor is connected the bottom of bracing frame.
5. quasi-undercurrent aeration constructed wetlands according to claim 4 is characterized in that: described support bracket is provided with hardware filler support net.
6. quasi-undercurrent aeration constructed wetlands according to claim 4 is characterized in that: the earth that fetches earth is that rural area soil and the peat composed of rotten mosses are with 3: 2 mixed gained of mass ratio in the described soil packing layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102222072A CN101708898B (en) | 2009-11-06 | 2009-11-06 | Quasi-undercurrent aeration constructed wetlands |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102222072A CN101708898B (en) | 2009-11-06 | 2009-11-06 | Quasi-undercurrent aeration constructed wetlands |
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| CN101708898A true CN101708898A (en) | 2010-05-19 |
| CN101708898B CN101708898B (en) | 2011-06-22 |
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| CN2009102222072A Active CN101708898B (en) | 2009-11-06 | 2009-11-06 | Quasi-undercurrent aeration constructed wetlands |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671421A (en) * | 2015-03-05 | 2015-06-03 | 吴永贵 | Wetting and drying alternation type sewage purification method |
| CN105198155A (en) * | 2015-03-31 | 2015-12-30 | 吴永贵 | Anti-clogging sewage purification method and device |
-
2009
- 2009-11-06 CN CN2009102222072A patent/CN101708898B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104671421A (en) * | 2015-03-05 | 2015-06-03 | 吴永贵 | Wetting and drying alternation type sewage purification method |
| CN105198155A (en) * | 2015-03-31 | 2015-12-30 | 吴永贵 | Anti-clogging sewage purification method and device |
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| Publication number | Publication date |
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| CN101708898B (en) | 2011-06-22 |
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