CN103896405A - Construction method of composite horizontal subsurface wetland - Google Patents
Construction method of composite horizontal subsurface wetland Download PDFInfo
- Publication number
- CN103896405A CN103896405A CN201410139879.8A CN201410139879A CN103896405A CN 103896405 A CN103896405 A CN 103896405A CN 201410139879 A CN201410139879 A CN 201410139879A CN 103896405 A CN103896405 A CN 103896405A
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- China
- Prior art keywords
- straight tube
- river course
- cattail
- reed
- building stones
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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 discloses a construction method of a composite horizontal subsurface wetland. The construction method comprises the following steps of primarily clearing a river bed, mixing marble pebbles and iron-ore slag in mass ratio of 1000: (1-3) to obtain a stone material, and paving the stone material on the cleared river bed to form a riverway; selecting reed or cattail of 1 to 3 years old, cutting stem leaves on the upper part of the reed or cattail, and planting perennial roots of the reed or cattail onto the paved stone material; and paving the toxic-free rubber particles with the granularity of 2cm to 4cm on the surface of the riverway with the reed or cattail, and finally inserting ventilation pipes into the surface of the riverway which is paved with the toxic-free rubber particles to complete the construction of the composite horizontal subsurface wetland.
Description
Technical field
The building method that the present invention relates to a kind of compound horizontal current wetland, belongs to field of environment engineering.
Background technology
Due to production and the use of nitrogenous, phosphatic manure in a large number in agriculture production, and trade effluent and the urban domestic wastewater such as food-processing, livestock product processing, unprocessed being discharged in river course of sewage that particularly phosphorus-containing detergent produces, make to be rich in the plant nutrient substance such as nitrogen, phosphorus in river, cause body eutrophication.In eutrophication water, due to nutriment abundance, the phytoplankton blooms such as algae, thus consume water oxygen gas excessively, cause the death of other waterplant and animal, the eubiosis is damaged.Therefore must take measures to prevent and the comprehensive regulation, to reduce body eutrophication process, water quality be taken a favorable turn.
Summary of the invention
The object of the invention is the problems such as method in order to solve above-mentioned purifying eutrophic waste water has high input, weak effect and a kind of building method of compound horizontal current wetland is provided.
Technical scheme of the present invention
A building method for compound horizontal current wetland, specifically comprises the steps:
(1), riverbed cleaning
After being drained to water, the former river course that is useful on sewage effluent removes river bed mud, smooth riverbed, and making it is longitudinally 1-3% to descending slope;
(2), batch mixing
The marble stone of screening particle diameter 3-5cm and the Iron-ore Slag of particle diameter 1-5cm, calculate i.e. marble stone: the ratio that Iron-ore Slag is 1000:1-3 is mixed rear and stirred 3-5 time, obtains building stones in mass ratio;
(3), stone
The building stones of step (2) gained are laid on the riverbed that step (1) cleared up, and height, lower than riverbank 20-40cm, forms river course;
(4), plant growing
Select the raw reed of 1-3 or cattail, cut off over-ground part cauline leaf its perennial root is planted on the building stones that step (3) lays;
(5), cover rubber
The nontoxic rubber particle of particle diameter 2-4cm is laid on to step (4) and plants the surface in river course that is implanted with reed or cattail, laying depth is 10-30cm;
(6), plug ventpipe
Choose the straight tube of the many 10-20cm of building stones thickness of internal diameter 5-10cm, Length Ratio step (3) laying, by its tube wall punching, aperture 3-5mm, hole density is 0.3-0.8 hole/cm2, then will in its vertical inserting step (5), be equipped with on the river course of nontoxic rubber particle, nontoxic rubber particle 5-15cm is exposed in upper end, and the quantity of inserting straight tube plugs the ratio calculating of 0.3-1 root straight tube in every square metre of river course, completed the construction of compound horizontal current wetland after straight tube has inserted;
Described straight tube, its material is polyvinyl chloride (PVC), polyethylene (PE) or polypropylene (PP).
Beneficial effect of the present invention
The building method of a kind of compound horizontal current wetland of the present invention, due to the river course that utilizes Dali stone and waterplant to be laid to, can adsorb, absorb the ability of the nutritive substance such as nitrogen, phosphorus in water, thereby prevent the ability of the excessive eutrophication of water body, thereby realized ecological waste water treatment technology.
Further, the building method of a kind of compound horizontal current wetland of the present invention, has the waterplant that utilizes the nutritive substance such as nitrogen, phosphorus in waste water owing to having planted, and therefore can further improve water treatment effect.
Further, the building method of a kind of compound horizontal current wetland of the present invention, owing to adopting, marble stone and Iron-ore Slag etc. are with low cost, have therefore reduced the purifying treatment cost in riverbed.
In sum, the building method of a kind of compound horizontal current wetland of the present invention, can prevent the excessive eutrophication of water body, realized ecological waste water processing, and its processing cost is low, in can and repairing in the purification of eutrophication water, widelys popularize.
Embodiment
Below by specific embodiment, the present invention is described in further detail, but do not limit the present invention.
Embodiment 1
A building method for compound horizontal current wetland, is characterized in that specifically comprising the steps:
(1), riverbed cleaning
After being drained to water, the former river course that is useful on sewage effluent removes river bed mud, smooth riverbed, and making it is longitudinally 1% to descending slope;
(2), batch mixing
The marble stone of screening particle diameter 3cm and the Iron-ore Slag of particle diameter 1cm, calculate i.e. marble stone: the ratio that Iron-ore Slag is 1000:1 is mixed rear and stirred 3 times, obtains building stones in mass ratio;
(3), stone
The building stones of step (2) gained are laid on the riverbed that step (1) cleared up, and height, lower than riverbank 20cm, forms river course;
(4), plant growing
Select 1 year raw reed or cattail, cut off the cauline leaf of over-ground part, its perennial root is planted on the building stones that step (3) lays;
(5), cover rubber
The nontoxic rubber particle of particle diameter 2cm is laid on to step (4) and plants the surface in river course that is implanted with reed or cattail, laying depth is 10cm;
(6), plug ventpipe
Choose the straight tube of the many 10cm of building stones thickness of internal diameter 5cm, Length Ratio step (3) laying, by its tube wall punching, aperture 3mm, hole density is 0.3 hole/cm2, then will in its vertical inserting step (5), be equipped with on the river course of nontoxic rubber particle, nontoxic rubber particle 5cm is exposed in upper end, and the quantity of inserting straight tube plugs the ratio calculating of 0.3 straight tube in every square metre of river course, completed the construction of compound horizontal current wetland after straight tube has inserted;
Described straight tube, its material is polyvinyl chloride (PVC).
Embodiment 2
A building method for compound horizontal current wetland, is characterized in that specifically comprising the steps:
(1), riverbed cleaning
After being drained to water, the former river course that is useful on sewage effluent removes river bed mud, smooth riverbed, and making it is longitudinally 2% to descending slope;
(2), batch mixing
The marble stone of screening particle diameter 4cm and the Iron-ore Slag of particle diameter 3cm, calculate i.e. marble stone: the ratio that Iron-ore Slag is 1000:2 is mixed rear and stirred 4 times, obtains building stones in mass ratio;
(3), stone
The building stones of step (2) gained are laid on the riverbed that step (1) cleared up, and height, lower than riverbank 30cm, forms river course;
(4), plant growing
Select 2 years raw reeds or cattail, cut off the cauline leaf of over-ground part, its perennial root is planted on the building stones that step (3) lays;
(5), cover rubber
The nontoxic rubber particle of particle diameter 3cm is laid on to step (4) and plants the surface in river course that is implanted with reed or cattail, laying depth is 20cm;
(6), plug ventpipe
Choose the straight tube of the many 15cm of building stones thickness of internal diameter 8cm, Length Ratio step (3) laying, by its tube wall punching, aperture 4mm, hole density is 0.5 hole/cm2, then will in its vertical inserting step (5), be equipped with on the river course of nontoxic rubber particle, nontoxic rubber particle 10cm is exposed in upper end, and the quantity of inserting straight tube plugs the ratio calculating of 0.5 straight tube in every square metre of river course, completed the construction of compound horizontal current wetland after straight tube has inserted;
Described straight tube, its material is polyethylene (PE).
Embodiment 3
A building method for compound horizontal current wetland, is characterized in that specifically comprising the steps:
(1), riverbed cleaning
After being drained to water, the former river course that is useful on sewage effluent removes river bed mud, smooth riverbed, and making it is longitudinally 3% to descending slope;
(2), batch mixing
The marble stone of screening particle diameter 5cm and the Iron-ore Slag of particle diameter 5cm, calculate i.e. marble stone: the ratio that Iron-ore Slag is 1000:3 is mixed rear and stirred 5 times, obtains building stones in mass ratio;
(3), stone
The building stones of step (2) gained are laid on the riverbed that step (1) cleared up, and height, lower than riverbank 40cm, forms river course;
(4), plant growing
Select 3 years raw reeds or cattail, cut off the cauline leaf of over-ground part, its perennial root is planted on the building stones that step (3) lays;
(5), cover rubber
The nontoxic rubber particle of particle diameter 4cm is laid on to step (4) and plants the surface in river course that is implanted with reed or cattail, laying depth is 30cm;
(6), plug ventpipe
Choose the straight tube of the many 10-20cm of building stones thickness of internal diameter 10cm, Length Ratio step (3) laying, by its tube wall punching, aperture 5mm, hole density is 0.8 hole/cm2, then will in its vertical inserting step (5), be equipped with on the river course of nontoxic rubber particle, nontoxic rubber particle 15cm is exposed in upper end, and the quantity of inserting straight tube plugs the ratio calculating of 1 straight tube in every square metre of river course, completed the construction of compound horizontal current wetland after straight tube has inserted;
Described straight tube, its material is polypropylene (PP).
Above said content is only the basic explanation of the present invention under conceiving, and according to any equivalent transformation that technical scheme of the present invention is done, all should belong to protection scope of the present invention.
Claims (2)
1. a building method for compound horizontal current wetland, is characterized in that specifically comprising the steps:
(1), riverbed cleaning
After being drained to water, the former river course that is useful on sewage effluent removes river bed mud, smooth riverbed, and making it is longitudinally 1-3% to descending slope;
(2), batch mixing
The marble stone of screening particle diameter 3-5cm and the Iron-ore Slag of particle diameter 1-5cm, calculate i.e. marble stone: the ratio that Iron-ore Slag is 1000:1-3 is mixed rear and stirred 3-5 time, obtains building stones in mass ratio;
(3), stone
The building stones of step (2) gained are laid on the riverbed that step (1) cleared up, and height, lower than riverbank 20-40cm, forms river course;
(4), plant growing
Select the raw reed of 1-3 or cattail, cut off over-ground part cauline leaf its perennial root is planted on the building stones that step (3) lays;
(5), cover rubber
The nontoxic rubber particle of particle diameter 2-4cm is laid on to step (4) and plants the surface in river course that is implanted with reed or cattail, laying depth is 10-30cm;
(6), plug ventpipe
Choose the straight tube of the many 10-20cm of building stones thickness of internal diameter 5-10cm, Length Ratio step (3) laying, by its tube wall punching, aperture 3-5mm, hole density is 0.3-0.8 hole/cm2, then will in its vertical inserting step (5), be equipped with on the river course of nontoxic rubber particle, nontoxic rubber particle 5-15cm is exposed in upper end, and the quantity of inserting straight tube plugs the ratio calculating of 0.3-1 root straight tube in every square metre of river course, completed the construction of compound horizontal current wetland after straight tube has inserted.
2. the building method of a kind of compound horizontal current wetland as claimed in claim 1, is characterized in that the straight tube described in step (6), and its material is polyvinyl chloride, polyethylene or polypropylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139879.8A CN103896405A (en) | 2014-04-09 | 2014-04-09 | Construction method of composite horizontal subsurface wetland |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410139879.8A CN103896405A (en) | 2014-04-09 | 2014-04-09 | Construction method of composite horizontal subsurface wetland |
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| CN103896405A true CN103896405A (en) | 2014-07-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410139879.8A Pending CN103896405A (en) | 2014-04-09 | 2014-04-09 | Construction method of composite horizontal subsurface wetland |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106242069A (en) * | 2016-09-09 | 2016-12-21 | 上海应用技术大学 | A kind of building method of efficient denitrification type horizontal subsurface flow wetland |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293708A (en) * | 2007-04-25 | 2008-10-29 | 宝山钢铁股份有限公司 | Artificial wet land and uses thereof |
| CN101708897A (en) * | 2009-11-26 | 2010-05-19 | 同济大学 | Water treatment technology of inclined plane undercurrent artificial wetland |
| CN102923861A (en) * | 2012-11-30 | 2013-02-13 | 南京大学 | Constructed wetland for treating sewage with low carbon nitrogen ratio by utilizing ores |
| CN203065241U (en) * | 2013-02-05 | 2013-07-17 | 山东省环境保护科学研究设计院 | Horizontal subsurface flow constructed wetland device |
-
2014
- 2014-04-09 CN CN201410139879.8A patent/CN103896405A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293708A (en) * | 2007-04-25 | 2008-10-29 | 宝山钢铁股份有限公司 | Artificial wet land and uses thereof |
| CN101708897A (en) * | 2009-11-26 | 2010-05-19 | 同济大学 | Water treatment technology of inclined plane undercurrent artificial wetland |
| CN102923861A (en) * | 2012-11-30 | 2013-02-13 | 南京大学 | Constructed wetland for treating sewage with low carbon nitrogen ratio by utilizing ores |
| CN203065241U (en) * | 2013-02-05 | 2013-07-17 | 山东省环境保护科学研究设计院 | Horizontal subsurface flow constructed wetland device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106242069A (en) * | 2016-09-09 | 2016-12-21 | 上海应用技术大学 | A kind of building method of efficient denitrification type horizontal subsurface flow wetland |
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Application publication date: 20140702 |