CN207143849U - A kind of man-made lake polycrystalline substance for improving water body self-purification ability - Google Patents
A kind of man-made lake polycrystalline substance for improving water body self-purification ability Download PDFInfo
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- CN207143849U CN207143849U CN201721170346.1U CN201721170346U CN207143849U CN 207143849 U CN207143849 U CN 207143849U CN 201721170346 U CN201721170346 U CN 201721170346U CN 207143849 U CN207143849 U CN 207143849U
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Abstract
The utility model proposes a kind of man-made lake polycrystalline substance for improving water body self-purification ability, including basic unit, screed-coat, bentone soil layer and the overburden layer laid successively from the bottom to top, one layer of impervious barrier is set between screed-coat and the bentone soil layer, one layer of non-woven geotextile is set between the bentone soil layer and overburden layer.The treatment after pollution pattern of man-made lake is changed into Pollution protection pattern by the utility model, builds pollutant absorbed layer in artificial lake bottom in advance, is improved water body self-purification ability, is reduced later regulation difficulty.
Description
Technical field
It the utility model is related to water pollution control and utilize field with water resource, water body is improved more particularly to one kind
The man-made lake polycrystalline substance of self-purification capacity.
Background technology
The eutrophication problem of China's water body is very prominent in recent years.Lake river course is subject to extraneous contamination and imports and cause
Eutrophication, causes disruption of ecological balance, and water body blacks smelly.For man-made lake in process of construction, its polycrystalline substance only focuses on water-impervious
Effect.After the completion of this causes construction, the continuous input of external contaminant and deposition, form one layer in lakebed and easily discharge pollution
Endogenous pollution layer.With pollution accumulation, endogenous pollution release turns into lake primary pollution source, is the number of external source pollution remittance amount
Times.And lakebed endogenous pollution is administered mainly using the technology such as dredging work and sediment pollution covering.Dredging work is by endogenous pollution
When layer bed mud is excavated, it need to strictly control and excavate height, it is impossible to destroy waterproof layer, there is that operation difficulty is high, quantities is big.Bottom
Sludge-polluted soverlay technique is covered pollution layer using clay, reduces water body available capacity and quantities is big.
In disclosed patented technology, the research for being related to man-made lake polycrystalline substance is concentrated mainly on anti-seepage effect, stably
Property and promote in plant growth, and relevant publication patent is less.It is related to control the patent of water pollution temporarily to have not seen.
Utility model content
The utility model proposes a kind of man-made lake polycrystalline substance for improving water body self-purification ability, solves extraneous contamination remittance
The problem of being easily caused man-made lake eutrophication, the content of the pollutants such as water body nitrogen, phosphorus and heavy metal is reduced, while bottom absorbs
Nutrient be available for plant growth to absorb, improve the self-purification capacity of water body, strengthen to extraneous contamination import impact resistance.
What the technical solution of the utility model was realized in：
It is a kind of to improve the man-made lake polycrystalline substance of water body self-purification ability, including the basic unit 1, levelling laid successively from the bottom to top
Layer 2, bentone soil layer 4 and overburden layer 6, one layer of impervious barrier 3 is set between the screed-coat 2 and bentone soil layer 4, it is described
One layer of non-woven geotextile 5 is set between bentone soil layer 4 and overburden layer 6.
Preferably, the basic unit 1 is formed by artificial lake bottom rammed earth.
Preferably, the screed-coat 2 is made up of sieving fine earth, forms flat surface.
Preferably, the impervious barrier 3 is made up of polyvinyl chloride geomembrane.
Preferably, the bentone soil layer 4 is using aluminium salt, the cross-linking modified modified alta-mud mixed of molysite.
Preferably, the netted water penetration geotextile material that the non-woven geotextile 5 is worked out by synthetic fibers is formed.
Preferably, the thin sand and soil of overburden layer 6 is formed.
Had the beneficial effect that caused by the utility model：The utility model changes into the treatment after pollution pattern of man-made lake
Pollution protection pattern, pollutant absorbed layer is built in artificial lake bottom in advance, improve water body self-purification ability, reduce later regulation
Difficulty.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
It is a kind of as shown in Figure 1 to improve the man-made lake polycrystalline substance of water body self-purification ability, including lay successively from the bottom to top
Basic unit 1, screed-coat 2, bentone soil layer 4 and overburden layer 6, one layer is set between the screed-coat 2 and bentone soil layer 4 and is prevented
Infiltration layer 3, one layer of non-woven geotextile 5 is set between the bentone soil layer 4 and overburden layer 6.
Basic unit 1 is formed by artificial lake bottom rammed earth in the present embodiment, is the basis of total；Screed-coat 2 is by mistake
Sieve fine earth to form, form flat surface, prevent air and sharp object from destroying antiseepage film；Impervious barrier 3 is by polyvinyl chloride geomembrane structure
Into preventing man-made lake from seeping water.
Bentone soil layer 4 is using aluminium salt, the cross-linking modified modified alta-mud mixed of molysite, the system of modified alta-mud
It is for step：1. 10 parts by weight of bentonite and 100 parts by weight water are formulated as suspended slurry；2. 0.1mol/L aluminum salt solutions heat
Alkalization is made as colloid；3. after colloid aging 2h, 1 parts by weight colloid is well mixed with the suspended slurry of 1 parts by weight；4. after mixing
Aluminium cross-linked modified alta-mud is made in solution drying；5. with molysite with step 1. -4. same procedure, the cross-linking modified swelling of iron is made
Soil；6. it is mixed to prepare required modified alta-mud with 2 parts of aluminium cross-linked modified alta-muds and 1 part of cross-linking modified bentonite of iron.Modification is swollen
Profit soil protection waterproof blanket is not damaged by, while the pollutant ability such as modified bentonite, its Phosphate Sorption, heavy metal increases
Add.After extraneous contamination imports water body, bentone soil layer can absorb partial contamination, dense so as to reduce pollutant in water body
Degree, plays cushioning effect.And the pollutant that bentone soil layer absorbs is not easy to discharge, and reduces the endogenous dirt in man-made lake later stage
Dye amount, alleviate water body treating pressure.
The netted water penetration geotextile material that non-woven geotextile 5 is worked out by synthetic fibers is formed, main to protect lower floor's swelling
Soil prevents particle to be lost in, and control endogenous pollution does not discharge.
The thin sand and soil of overburden layer 6 is formed, and protects understructure.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (7)
1. a kind of man-made lake polycrystalline substance for improving water body self-purification ability, it is characterised in that including what is laid successively from the bottom to top
Basic unit (1), screed-coat (2), bentone soil layer (4) and overburden layer (6), the screed-coat (2) and bentone soil layer (4) it
Between set one layer of impervious barrier (3), between the bentone soil layer (4) and overburden layer (6) setting one layer of non-woven geotextile (5).
A kind of 2. man-made lake polycrystalline substance for improving water body self-purification ability as claimed in claim 1, it is characterised in that the base
Layer (1) is formed by artificial lake bottom rammed earth.
3. a kind of man-made lake polycrystalline substance for improving water body self-purification ability as claimed in claim 1, it is characterised in that described to look for
Flat bed (2) is made up of sieving fine earth, forms flat surface.
4. a kind of man-made lake polycrystalline substance for improving water body self-purification ability as claimed in claim 1, it is characterised in that described anti-
Infiltration layer (3) is made up of polyvinyl chloride geomembrane.
5. a kind of man-made lake polycrystalline substance for improving water body self-purification ability as claimed in claim 1, it is characterised in that described to change
Property bentonite bed (4) using aluminium salt, the cross-linking modified modified alta-mud mixed of molysite.
A kind of 6. man-made lake polycrystalline substance for improving water body self-purification ability as claimed in claim 1, it is characterised in that the nothing
The netted water penetration geotextile material that geotextiles (5) are worked out by synthetic fibers is spun to form.
7. a kind of man-made lake polycrystalline substance for improving water body self-purification ability as claimed in claim 1, it is characterised in that described to cover
Soil layer (6) thin sand and soil is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721170346.1U CN207143849U (en) | 2017-09-11 | 2017-09-11 | A kind of man-made lake polycrystalline substance for improving water body self-purification ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721170346.1U CN207143849U (en) | 2017-09-11 | 2017-09-11 | A kind of man-made lake polycrystalline substance for improving water body self-purification ability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207143849U true CN207143849U (en) | 2018-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721170346.1U Active CN207143849U (en) | 2017-09-11 | 2017-09-11 | A kind of man-made lake polycrystalline substance for improving water body self-purification ability |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630437A (en) * | 2017-09-11 | 2018-01-26 | 武汉农尚环境股份有限公司 | A kind of man-made lake polycrystalline substance for improving water body self-purification ability |
| CN110080160A (en) * | 2019-04-18 | 2019-08-02 | 重庆交通大学 | Based on the ecological anti-seepage structure and its construction method for mixing gravel clay and herbaceous layer |
-
2017
- 2017-09-11 CN CN201721170346.1U patent/CN207143849U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630437A (en) * | 2017-09-11 | 2018-01-26 | 武汉农尚环境股份有限公司 | A kind of man-made lake polycrystalline substance for improving water body self-purification ability |
| CN110080160A (en) * | 2019-04-18 | 2019-08-02 | 重庆交通大学 | Based on the ecological anti-seepage structure and its construction method for mixing gravel clay and herbaceous layer |
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