CN102267762A - Intermittent water seepage type salt-alkali resistant plant-soil ecological filter bed - Google Patents
Intermittent water seepage type salt-alkali resistant plant-soil ecological filter bed Download PDFInfo
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- CN102267762A CN102267762A CN2011101939719A CN201110193971A CN102267762A CN 102267762 A CN102267762 A CN 102267762A CN 2011101939719 A CN2011101939719 A CN 2011101939719A CN 201110193971 A CN201110193971 A CN 201110193971A CN 102267762 A CN102267762 A CN 102267762A
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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 relates to an intermittent water seepage type salt-alkali resistant plant-soil ecological filter bed, belonging to the field of sewage treatment. The filter bed comprises a bed body, a water outlet pipe and a water distribution device, wherein the inside of the bed body is sequentially provided with a grid, a composite filler layer, a soil layer and plants from bottom to top; plants are placed on the upper part of the inside of the bed body; and the water distribution device comprises a rainfall simulator, an electromagnetic valve, a flowmeter, a filter and a high-level water tank which are sequentially connected from bottom to top. The intermittent water seepage type salt-alkali resistant plant-soil ecological filter bed is mainly used for treating salt/alkali-containing domestic sewage, secondary effluent and rainwater. The filter bed is characterized in that the single structure is simple, is convenient to disassemble and has low manufacturing cost; the filter bed organically combines salt-alkali resistant plants, soil and filler, the content of the nitrogen element is reduced under the combined action of plant absorption, filler adsorption and microbiological denitrification; the multi-layer composite filler layer is arranged to increase the treatment capability of the ecological filtration zone; a part of solid wastes such as fly ash and cinder can be used as a filler; the water intake mode is intermittent; and both decontamination function and landscape effect can be realized.
Description
Technical field
The invention belongs to sewage treatment area, relate in particular to the processing that is used for the saliferous sanitary sewage or be used for secondary effluent and seep water the formula saline alkali tolerant plant intermittence of the advanced treatment of rainwater---soil ecology diafiltration bed.
Background technology
The present invention is mainly based on Binhai New Area in Tianjin sewage salt content height, and the nitrogen concentration height is through still being difficult to reach the ideal treatment effect after sewage work's second-stage treatment.Because the artificial swamp energy consumption is low, environmental friendliness has been widely used in worldwide and has handled various sewage, but traditional artificial swamp floor space is big, stops up easily, and nitric efficiency is low, and the intractable saline sewage, so be difficult to satisfy saline and alkaline geographic reusing sewage demand.The formula saline alkali tolerant plant intermittently seeps water---and soil ecology diafiltration bed is based on the invention technical equipment of this demand exploitation.
Summary of the invention
The invention provides a kind of novel intermittent infiltration formula saline alkali tolerant plant-soil ecology diafiltration bed.
The formula that seeps water a kind of intermittence saline alkali tolerant plant-soil ecology diafiltration bed comprises a body 1, rising pipe 8 and water-distributing device; Bed body 1 is inner bottom-up to be provided with grid 7, compounded mix layer, pedosphere 3 and plant 2 successively, and plant 2 is at bed body internal upper part; Plant is good, the manageable species of one's native land of salt tolerant alkali, landscape effect; Water-distributing device is by rain controller 10, and magnetic valve 11, under meter 12, strainer 13, elevated tank 14 connect from bottom to top successively; Rising pipe is positioned at a body bottom.
The formula that seeps water described intermittence saline alkali tolerant plant-soil ecology diafiltration bed is provided with latch closure 9 on the bed body, but make a bed body independent assortment, splice according to setting pattern or structure, reach landscape effect and dirt-removing functions simultaneously.
Described plant is reed, rye grass or calamus.
Described compounded mix layer is the 3-pedosphere from top to bottom, 4-cinder layer, 5-metalling, 6-supporting layer.
The present invention adopts the intermittent water inflow mode, and by the water distributor water distribution, the dried wetted perimeter phase is 3: 4, and aerobic, anaerobic environment all is set on time, space, thereby reaches better denitrification effect.
Intermittently seeping water, the formula saline alkali tolerant plant---soil ecology diafiltration bed accessory has following characteristics:
(1) but ecological diafiltration bed independent assortment, independently splice according to setting pattern or structure the unit by some.Monomer structure is simple, and is for convenience detach, and cost is low, and utilization and extention is worth high.
(2) intermittently seep water that the formula saline alkali tolerant plant---soil ecology diafiltration bed utilizes salt tolerant alkali terrestrial plant, soil, filler to carry out organic assembling, can be by the sorption of plant, the transudation of filler and the denitrogenation of microorganism are united and are cut down the nitrogen element.
(3) the MULTILAYER COMPOSITE packing layer is set, reduces to greatest extent and stop up, improve the handling property of ecological diafiltration band.
(4) part filler such as flyash, cinder etc. are the main solid waste that the coal-burning power plant discharges, and this patent can be handled and utilizes flyash, cinder.
(5) water intake mode is an intermittent water inflow, anoxic, aerobic environment all are set on time and space like this, for nitrobacteria, denitrifying bacterium, anaerobic ammonia oxidizing bacteria provide good life condition, the three is coexisted, promote nitration reaction, anti-nitration reaction and Anammox reaction, the nitric efficiency of raising system, and reduce greenhouse gases N
2The discharging of O, NO;
(6) can to plant multiple landscape effect good for ecological diafiltration band, and the saline alkali tolerant plant of strong detergency as rye grass, reed etc., can be realized dirt-removing functions and landscape effect simultaneously.
Description of drawings
Fig. 1 is formula saline alkali tolerant plant---the structural representation of soil ecology diafiltration bed that seeps water the intermittence of embodiment 1.
Wherein:
1-bed body, the 2-plant, the 3-pedosphere, the 4-cinder layer, the 5-metalling, the 6-supporting layer, the 7-grid,
The 8-rising pipe, 9-latch closure, 10-rain controller, 11-magnetic valve, 12-under meter, 13-strainer, 14-elevated tank
Embodiment
Embodiment 1
In conjunction with the embodiments to the formula saline alkali tolerant plant that seeps water intermittence of the present invention---soil ecology diafiltration bed is illustrated.
The formula that seeps water a kind of intermittence saline alkali tolerant plant-soil ecology diafiltration bed comprises a body 1, rising pipe 8 and water-distributing device; Bed body 1 is inner bottom-up to be provided with grid 7, compounded mix layer, pedosphere 3 and plant 2 successively, and plant 2 is at bed body internal upper part; Plant is good, the manageable species of one's native land of salt tolerant alkali, landscape effect; Plant is reed, rye grass or calamus etc.Water-distributing device is by rain controller 10, and magnetic valve 11, under meter 12, strainer 13, elevated tank 14 connect from bottom to top successively; Rising pipe is positioned at a body bottom.The compounded mix layer is pedosphere 3 from top to bottom, cinder layer 4, metalling 5, supporting layer 6.
The formula that seeps water described intermittence saline alkali tolerant plant-soil ecology diafiltration bed is provided with latch closure 9 on the bed body, but make a bed body independent assortment, splice according to setting pattern or structure, reach landscape effect and dirt-removing functions simultaneously.
The present invention adopts the intermittent water inflow mode, and by the water distributor water distribution, the dried wetted perimeter phase is 3: 4, and aerobic, anaerobic environment all is set on time, space, thereby reaches better denitrification effect.
Claims (5)
1. the formula saline alkali tolerant plant-soil ecology diafiltration bed that seeps water an intermittence is characterized in that, comprises a body (1), rising pipe (8) and water-distributing device; Bed body (1) inner bottom-up be provided with successively grid (7), compounded mix layer, pedosphere (3) and plant (2), plant is at bed body internal upper part; Water-distributing device is by rain controller (10), and magnetic valve (11), under meter (12), strainer (13), elevated tank (14) connect from bottom to top successively; Rising pipe is positioned at a body bottom.
2. the formula saline alkali tolerant plant-soil ecology diafiltration bed that seeps water intermittence as claimed in claim 1 is characterized in that, on the bed body latch closure is set.
3. the formula saline alkali tolerant plant-soil ecology diafiltration bed that seeps water intermittence as claimed in claim 1 is characterized in that described plant is good, the manageable species of one's native land of salt tolerant alkali, landscape effect.
4. the formula saline alkali tolerant plant-soil ecology diafiltration bed that seeps water intermittence as claimed in claim 3 is characterized in that described plant is reed, rye grass or calamus.
5. the formula saline alkali tolerant plant-soil ecology diafiltration bed that seeps water intermittence as claimed in claim 1 is characterized in that described compounded mix layer is the 3-pedosphere, 4-cinder layer, 5-metalling, 6-supporting layer from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101939719A CN102267762A (en) | 2011-07-12 | 2011-07-12 | Intermittent water seepage type salt-alkali resistant plant-soil ecological filter bed |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011101939719A CN102267762A (en) | 2011-07-12 | 2011-07-12 | Intermittent water seepage type salt-alkali resistant plant-soil ecological filter bed |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102890151A (en) * | 2012-10-11 | 2013-01-23 | 浙江省萧山棉麻研究所 | Equipment and method for identifying salt tolerance of plant at seedling stage |
| CN104003526A (en) * | 2014-06-17 | 2014-08-27 | 南京林业大学 | Artificial wetland system capable of removing heavy metal in livestock and poultry breeding wastewater |
| CN114933393A (en) * | 2022-05-24 | 2022-08-23 | 中电建华东勘测设计研究院(郑州)有限公司 | In-situ ecological restoration structure for surface water and underground water |
| CN114933393B (en) * | 2022-05-24 | 2024-04-30 | 中电建华东勘测设计研究院(郑州)有限公司 | In-situ ecological restoration structure for surface water and underground water |
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| US5863433A (en) * | 1996-12-02 | 1999-01-26 | Tennessee Valley Authority United States Corp. | Reciprocating subsurface-flow constructed wetlands for improving wastewater treatment |
| CN1843977A (en) * | 2006-04-20 | 2006-10-11 | 上海交通大学 | Water distribution method for earthworm biofilter |
| CN101077805A (en) * | 2006-08-30 | 2007-11-28 | 崔玉波 | Treatment system for artificial wetland sewage and sludge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102890151A (en) * | 2012-10-11 | 2013-01-23 | 浙江省萧山棉麻研究所 | Equipment and method for identifying salt tolerance of plant at seedling stage |
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| CN104003526A (en) * | 2014-06-17 | 2014-08-27 | 南京林业大学 | Artificial wetland system capable of removing heavy metal in livestock and poultry breeding wastewater |
| CN104003526B (en) * | 2014-06-17 | 2015-12-16 | 南京林业大学 | A kind of artificial wet land system removing heavy metal in livestock breeding wastewater |
| CN114933393A (en) * | 2022-05-24 | 2022-08-23 | 中电建华东勘测设计研究院(郑州)有限公司 | In-situ ecological restoration structure for surface water and underground water |
| CN114933393B (en) * | 2022-05-24 | 2024-04-30 | 中电建华东勘测设计研究院(郑州)有限公司 | In-situ ecological restoration structure for surface water and underground water |
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Application publication date: 20111207 |