CN203048673U - Artificial wetland system for treating lead-contained wastewater - Google Patents
Artificial wetland system for treating lead-contained wastewater Download PDFInfo
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- CN203048673U CN203048673U CN2012207270008U CN201220727000U CN203048673U CN 203048673 U CN203048673 U CN 203048673U CN 2012207270008 U CN2012207270008 U CN 2012207270008U CN 201220727000 U CN201220727000 U CN 201220727000U CN 203048673 U CN203048673 U CN 203048673U
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- water
- pond body
- wet land
- land system
- artificial wet
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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 utility model discloses an artificial wetland system for treating lead-contained wastewater in the technical field of sewage treatment. The system is composed of a high-level water tank, a pond body and a water collecting tank; a substrate is filled inside the pond body; the bottom of the high-level water tank is provided with a water inlet pipe, and the water inlet pipe is arranged above the substrate and provided with a rotor flow meter for adjusting the water inflow; a drain pipe is arranged at a position 8-12cm away from the bottom of the pond body; the water collecting tank is used for receiving water discharged from the drain pipe; the front end of the drain pipe is provided with a microstrainer; and emergent aquatic plants capable of enriching heavy metals are planted on the substrate. The lead-contained wastewater flows from the high-level water tank into each artificial wetland unit, and pollutants are retained through actions of the absorption of the plants, the absorption, the precipitation, the filtration and the degradation of the substrate as well as the adsorption and the conversion of microorganisms. The artificial wetland system is good and stable in treating effect for the lead-contained wastewater, high in removal rate up to about 99%, free of other powers, simple in structure, convenient for operation management, small in occupied area, high in treating efficiency, low in cost and capable of beautifying the environment.
Description
Technical field
The utility model belongs to technical field of sewage, relates in particular to a kind of artificial wet land system of handling lead waste water.
Background technology
Heavy metal contamination is domestic and international ubiquitous serious environmental pollution problem at present, because its water yield is big, complicated component, intractability are big, has caused numerous investigators' attention.Lead waste water mainly between various electrically-operated platform trucks, dressing-works, petroleum chemical plant etc., lead content in the waste water has exceeded hundred times of national standards, underground water source is constituted very big threat, simultaneously, the leaded material of many industrial discharges enters environment, exceeded environmental capacity, human body health and environment have all been brought huge harm.Existing many scholars study the processing of lead waste water both at home and abroad, and the treatment process to lead waste water mainly contains chemical precipitation method, absorption method, ion exchange method, membrane processing method, biological treatment etc. at present.But these methods in use all exist working cost too high, easily produce problems such as secondary pollution, difficult life.Advantages such as artificial swamp is as a kind of ecological wastewater processing engineering new technology, and it has, and stable effluent quality, capital construction and working cost are low, maintenance management convenient, anti impulsion load is strong.But artificial swamp also faces the matrix blocking problem in operational process, therefore, in actual moving process, can consider to adopt the operational mode of Wastewater Pretreatment+artificial swamp, so both avoided in the lead waste water treatment process working cost too high, easily produce secondary pollution problem, also avoid causing matrix to stop up, prolonged the work-ing life of artificial swamp.
The utility model content
The purpose of this utility model is in order to remedy the deficiencies in the prior art, and a kind of vertical subsurface flow type artificial swamp for the treatment of lead waste water is provided.Problem to be solved in the utility model is to make up a kind of artificial swamp that can effectively handle lead waste water, when having saved cost and working cost, also can guarantee water outlet qualified discharge or recycle, can also prolong the work-ing life of artificial swamp simultaneously, beautify the environment.
Artificial wet land system for the treatment of lead waste water described in the utility model is made up of elevated tank, pond body and water collecting basin; The inner filling substrate of pond body; Water inlet pipe is established in the elevated tank bottom, and water inlet pipe is opened in the matrix top, and water inlet pipe cartridge rotor under meter is regulated flooding quantity; The 8-12cm place establishes water shoot apart from pond body bottom; Water collecting basin is accepted the water shoot water outlet; The front end of water shoot is furnished with micro-strainer, in order to avoid matrix is stopped up water shoot; The emergent of plantation energy enriching heavy metal on the matrix.
Described elevated tank, pond body and water collecting basin are made by hard PVC plate processed.
Described matrix is divided into supporting layer, purifying layer, elementary adsorption layer from the bottom to top.
Described supporting layer is gravel, and purifying layer is zeolite, and elementary adsorption layer is gravel and/or haydite.
The packing height of described supporting layer is 3-6cm, and purifying layer is 20-25cm, and elementary adsorption layer is 5-10cm.
The particle diameter of described gravel is 10-20mm; The particle diameter of zeolite is respectively 1-2mm, 2-4mm, 4-8mm, and fills out and put for anti-grating mode; The particle diameter of haydite is 2-4mm.
The diameter of described water shoot is 15-20mm, and is the PVC water shoot.
The emergent of described energy enriching heavy metal is cattail, calamus or cyperus alternifolius.
The utility model provides a kind of artificial swamp lead waste water treatment system of stability and high efficiency, and this system has following advantage:
1, this artificial wet land system is to Pb
2+Removal effect good, clearance reaches more than 99%, system operation is after three months, to Pb
2+Clearance still can maintain about 99%, more stable.
2, waste water enters artificial swamp through elevated tank, flow into water collecting basin from water shoot, this kind design not only saves floor occupying area, save cost, that has avoided simultaneously that surface current causes grows secondary pollutions such as mosquitos and flies, and when guaranteeing the water outlet qualified discharge, can also prolong the work-ing life of artificial swamp.
3, body interior matrix filling mode in pond is to Pb
2+Treatment effect good, and can prevent that matrix from stopping up, prolong the working time of wetland.
4, the matrix of this artificial wet land system employing is to Pb
2+Loading capacity big, high adsorption capacity is to Pb
2+Treatment effect stable, long-play is unlikely to cause wetland to stop up; The surface-area of this matrix is big, is conducive to plant and microorganism growth and breeding, and the raising system is to the treatment effect of waste water.
5, select cattail, calamus and cyperus alternifolius to Pb
2+Good absorbing effect, and in artificial wet land system, grow fine, can improve the removal efficient of pollutent in the sewage.
6, native system need not other power, and the cycle of operation is long, and effluent quality is good, and has simple in structurely, and operational management is convenient, and floor space is little, and the processing efficiency height is with low cost, advantage such as beautify the environment.
Description of drawings
Fig. 1 is structural representation of the present utility model; The 1-elevated tank, 2-spinner-type flowmeter, 3-water inlet pipe, 4-emergent, 5-haydite, 6,10-gravel, 7,8,9-zeolite, 11-water shoot, 12-water collecting basin, 13-pond body;
Fig. 2 is matrix blank map of the present utility model.
Embodiment
Further specify the utility model by following embodiment.
Embodiment 1:
As shown in Figure 1, formed by elevated tank 1, pond body 13 and water collecting basin 12 for the treatment of the artificial wet land system of lead waste water; Pond body 13 is of a size of: 30cm * 30cm * 38cm, inner filling substrate; Water inlet pipe 3 is established in the elevated tank bottom, and water inlet pipe 3 is opened in the matrix top, and water inlet pipe 3 cartridge rotor under meters 2 are regulated flooding quantity; 13 bottom 10cm establish water shoot 11 apart from the pond body; Water collecting basin 12 is accepted water shoot 11 water outlets; The front end of water shoot 11 is furnished with micro-strainer, in order to avoid matrix is stopped up water shoot 11; The emergent 4 of plantation energy enriching heavy metal on the matrix.
Described elevated tank 1, pond body 13 and water collecting basin 12 are made by hard PVC plate processed.
Described matrix is divided into supporting layer, purifying layer, elementary adsorption layer from the bottom to top.
Described supporting layer is gravel 10, and purifying layer is zeolite 7, zeolite 8 and zeolite 9, and elementary adsorption layer is gravel 6 and haydite 5.
Described supporting layer packing height is 5cm, and the purifying layer packing height is 20cm, and gravel 6 packing heights are 4cm, and haydite 5 packing heights are 4cm.
The particle diameter of described gravel 10 and gravel 6 is 10-20mm; The particle diameter of zeolite 9 is that the particle diameter of 1-2mm, zeolite 8 is that the particle diameter of 2-4mm, zeolite 7 is 4-8mm, and fills out for anti-grating mode and to put; The particle diameter of haydite 5 is 2-4mm.
The diameter of described water shoot 11 is 20mm, and is the PVC water shoot.
The emergent 4 of described energy enriching heavy metal is cattail, calamus and cyperus alternifolius.
With above-mentioned artificial wet land system for the treatment of lead waste water:
A. the artificial swamp water inlet is manual simulation's lead waste water, and the concentration of lead waste water is 5mgL
-1, 10mgL
-1, 25mgL
-1, 50mgL
-1
B. by water pump lead waste water is pumped in the elevated tank, waste water flow into the artificial swamp from elevated tank, and controls flooding velocity with spinner-type flowmeter;
C. after lead waste water stops 6-10h in artificial swamp, be drained in the water collecting basin by water shoot;
D. the water of productive use of the water reproducible utilization in the water collecting basin or supply factory forms water cycle.
The utility model adopts the operation scheme of water inlet, continuous effluent vertical current continuously, move 8h every day, lead waste water flow into each artificial wetland unit from elevated tank, utilize under meter control flooding velocity, through the absorption of plant in the artificial swamp, the absorption of matrix, precipitation, filtration, degraded, effects such as the absorption of microorganism, conversion, pollutent is retained down, gathered a water outlet water sample, and carried out monitoring analysis in per 7 days; Every two weeks is measured plant plant height, tiller number, the growing state of making plant, and the effective porosity of mensuration matrix, and the changing conditions of analysis matrix porosity, whether research can cause matrix to stop up.
Claims (7)
1. the artificial wet land system for the treatment of lead waste water is characterized in that, it is made up of elevated tank, pond body and water collecting basin; The inner filling substrate of pond body; Water inlet pipe is established in the elevated tank bottom, and water inlet pipe is opened in the matrix top, and water inlet pipe cartridge rotor under meter is regulated flooding quantity; The 8-12cm place establishes water shoot apart from pond body bottom; Water collecting basin is accepted the water shoot water outlet; The front end of water shoot is furnished with micro-strainer, in order to avoid matrix is stopped up water shoot; The emergent of plantation energy enriching heavy metal on the matrix.
2. artificial wet land system according to claim 1 is characterized in that, described elevated tank, pond body and water collecting basin are made by hard PVC plate processed.
3. artificial wet land system according to claim 1 is characterized in that, described matrix is divided into supporting layer, purifying layer, elementary adsorption layer from the bottom to top.
4. artificial wet land system according to claim 3 is characterized in that, described supporting layer is gravel, and purifying layer is zeolite, and elementary adsorption layer is gravel or haydite.
5. artificial wet land system according to claim 3 is characterized in that, the packing height of described supporting layer is 3-6cm, and purifying layer is 20-25cm, and elementary adsorption layer is 5-10cm.
6. artificial wet land system according to claim 4 is characterized in that, the particle diameter of described gravel is 10-20mm; The particle diameter of zeolite is respectively 1-2mm, 2-4mm, 4-8mm, and fills out and put for anti-grating mode; The particle diameter of haydite is 2-4mm.
7. artificial wet land system according to claim 1 is characterized in that, the diameter of described water shoot is 15-20mm, and is the PVC water shoot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207270008U CN203048673U (en) | 2012-12-25 | 2012-12-25 | Artificial wetland system for treating lead-contained wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012207270008U CN203048673U (en) | 2012-12-25 | 2012-12-25 | Artificial wetland system for treating lead-contained wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203048673U true CN203048673U (en) | 2013-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012207270008U Expired - Fee Related CN203048673U (en) | 2012-12-25 | 2012-12-25 | Artificial wetland system for treating lead-contained wastewater |
Country Status (1)
| Country | Link |
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| CN (1) | CN203048673U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110059A (en) * | 2014-07-09 | 2014-10-22 | 同济大学 | Ecological filter groove construction method for cutting urban runoff pollution |
| CN109087722A (en) * | 2018-08-17 | 2018-12-25 | 西南科技大学 | A kind of uranium-bearing low level waste water ecology cleaning treatment system and processing method |
| CN109243657A (en) * | 2018-08-17 | 2019-01-18 | 西南科技大学 | A kind of combined type uranium-bearing low level waste water ecology cleaning treatment system and processing method |
-
2012
- 2012-12-25 CN CN2012207270008U patent/CN203048673U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104110059A (en) * | 2014-07-09 | 2014-10-22 | 同济大学 | Ecological filter groove construction method for cutting urban runoff pollution |
| CN109087722A (en) * | 2018-08-17 | 2018-12-25 | 西南科技大学 | A kind of uranium-bearing low level waste water ecology cleaning treatment system and processing method |
| CN109243657A (en) * | 2018-08-17 | 2019-01-18 | 西南科技大学 | A kind of combined type uranium-bearing low level waste water ecology cleaning treatment system and processing method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20161225 |