CN103650693A - Compound substrate and method for improving clayed soil - Google Patents
Compound substrate and method for improving clayed soil Download PDFInfo
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- CN103650693A CN103650693A CN201310632508.9A CN201310632508A CN103650693A CN 103650693 A CN103650693 A CN 103650693A CN 201310632508 A CN201310632508 A CN 201310632508A CN 103650693 A CN103650693 A CN 103650693A
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- soil
- pyroligneous liquor
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- clayed
- compound substrate
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Abstract
The invention relates to a compound substrate and a method for improving clayed soil. The compound substrate comprises backfill soil and wood vinegar diluents. The backfill soil comprises garden waste compost products, fly ash and native soil, a volume ratio of the garden waste compost products to the fly ash to the native soil is 0.5-3:4-6:13-15, and 100-800 times water is used for diluting wood vinegar solution to obtain the wood vinegar diluents. The compound substrate and the method for improving the clayed soil have the advantages that physiochemical properties of the clayed soil are improved, so that normal growth of plants can be promoted; a way for disposing municipal and industrial solid waste and municipal garden organic waste is further provided, so that the influence of municipal refuse on surrounding ecological environments can be reduced; the municipal waste can be truly harmlessly recycled, can be prevented from being wasted and is turned into wealth, and the compound substrate and the method are obvious in economic benefit, environmental benefit and social benefit.
Description
Technical field
The present invention relates to improvement and the reparation field of soil, particularly relate to a kind of composite interstitial substance for clay improvement and the improvement method of clayed soil.
Background technology
Flyash, is the waste residue of coal-fired thermal power generation field discharge, and 10,000 kilowatts of average every generatings will produce approximately 10,000 tons, flyash.Calendar year 2001, the year flyash discharge capacity of China reached 1.5 hundred million tons, and storage capacity is over 1,000,000,000 tons.China has become maximum in the world flyash and has produced and store state, but the availability of flyash only has 30%, and major part is processed with landfill and the mode of storing up.This processing mode not only can take a large amount of soils, and due to flyash self-characteristic, when dry, wind is easily flown upward, and while raining, easily flows and leaching, on the ecotope of periphery, also can bring very large impact.
In structure, flyash is to be combined through reconfiguring the more honeycomb particulate of rough surface, corner angle forming by single orbicule not of uniform size and these orbicules.Wherein 30% is single orbicule, and 70% is honeycomb particulate.The These characteristics of flyash should be fully utilized.
Garden waste, along with the fast development of urban afforestation in each big city of China, afforestation discarded object is as also increasing in the amount of dry branches and fallen leaves (Litter), branch pruning thing, turf-mown thing, weeds, seed and residual flower etc.These garden waste are regarded as municipal solid wastes, often adopt that the mode of landfill or burning is processed to be fallen, this has not only caused the pollution of environment, also brings the waste of resource, more make material recycle and the energy flow fracture of Green-land Ecosystem, city fertility also can not get self―sustaining gradually.
Summary of the invention
The object of the invention is to propose a kind of composite interstitial substance that garden waste composting production, flyash, pyroligneous liquor and local clayed soil are mixed according to certain ratio, and realize based on this improvement of clayed soil.
For achieving the above object, the invention provides a kind of composite interstitial substance for clay improvement, described composite interstitial substance comprises reclaimed soil and pyroligneous liquor thinner, wherein, described reclaimed soil comprises that volume ratio is garden waste composting production, flyash and the native soil of 0.5～3:4～6:13～15, and described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of 100～800 times of dilute with waters.
Preferably, during use, the described reclaimed soil that backfill is entered to plant pit irrigates with described pyroligneous liquor thinner.
The present invention also provides a kind of improvement method of clayed soil, and by plantation arbor or shrub clayed soil are improved, described improvement method also comprises the steps:
A, excavation plant pit, be applicable to the plant pit of trees specification according to seeds excavation, and retain the native soil of excavation plant pit gained;
B, garden waste composting production, flyash are mixed according to volume ratio 0.5～3:4～6:13～15 with native soil, form reclaimed soil;
C, by step B) in reclaimed soil be backfilled in plant pit;
D, at step C) finish after, at once water pyroligneous liquor thinner, until irrigate, described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of 100～800 times of dilute with waters.
Further, preferably, after one month, the pyroligneous liquor thinner described in pouring is until irrigate again.
Based on technique scheme, advantage of the present invention is:
By a kind of composite interstitial substance for clay improvement of the present invention and the improvement method of clayed soil, improved the physico chemical property of clayed soil, thereby promoted the normal growth of plant.The present invention also provides a way that solves urban industry solid waste and city trees and shrubs organic waste, has reduced the impact that municipal refuse brings periphery ecotope.Really realized that urban waste is innoxious, resource, it is made the best use of everything, turned waste into wealth, there is significant economic benefit, environmental benefit and social benefit.
Embodiment
Logical embodiment, is described in further detail technical scheme of the present invention below.
The present invention is directed to the poor and low feature of nutrient of clayed soil structure, introduce organic and inorganic two kinds of improvement matrix, be garden waste and flyash, they can coordinate to improve three-phase material ratio and the soil fertility of soil matrix, some drawbacks of having avoided single improvement matrix to exist mutually.Before implementing improvement method, the composite interstitial substance of first improveing for the preparation of clay, described composite interstitial substance comprises reclaimed soil and pyroligneous liquor thinner, wherein, described reclaimed soil comprises that volume ratio is garden waste composting production, flyash and the native soil of 0.5～3:4～6:13～15, and described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of 100～800 times of dilute with waters.
For plantation arbor or shrub, specific embodiment of the invention process is as follows:
A, excavation plant pit, be applicable to the plant pit of trees specification according to seeds excavation, and retain the native soil of excavation plant pit gained, to make described reclaimed soil;
B, garden waste composting production, flyash and native soil are mixed to form to reclaimed soil according to volume ratio 1:4～6:13～15, on the one hand, described garden waste composting production is as the advantage of soil melioration matrix: the content that can significantly increase soil with organic matter, nitrogen, phosphorus, potassium, for soil provides abundant nutrient, can improve the structure of soil, the air capacity of soils and the water penetration that increase soil, further promote the formation of soil structure, improves the preserve moisture and fertility ability of soil; On the other hand, because the self structure feature of described flyash has determined that it has abundant pore structure and huge specific surface area, to improving the physical property of clayey soil, there is especially the effect of highly significant, flyash is mainly reflected in the following aspects to the improvement effect of clayed soil physicochemical property: (1) adds the content that flyash can reduce clay in clay, improves soil structure; (2) add the unit weight that flyash can reduce clay, increase the porosity of clay, regulate soil three phases, improve permeability and the gas permeability of soil; (3) soil is had to good preserve moisture and fertility ability, simultaneously also for microorganism has been created the good condition of adhering to; (4) flyash color is conventionally dark than general soil, can strengthen soil heat absorption capacity, improves ground temperature; (5) in flyash, be rich in the required constant of plant growth and trace element, wherein the content of trace element, generally higher than plant ashes, has increased soil nutrient;
C, reclaimed soil described in step b is backfilled in plant pit;
After d, step c finish, water immediately pyroligneous liquor dilute solution until irrigate, described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of 100～800 times of dilute with waters, by pyroligneous liquor dilute solution is applied to soil melioration, quantity and the activity of edaphon have been increased on the one hand, the activating soil ecosystem, pyroligneous liquor can all have stronger fungistatic effect to the glucose coccus in soil, Escherichia coli, bacillus anthracis etc. simultaneously; On the other hand, because the pH value of garden waste and flyash is higher, conventionally mean value is all more than 8, by add pyroligneous liquor dilute solution can so that matrix react with pyroligneous liquor dilute solution generation acid-base neutralization, reduce substrate pH value, a good soil environment is provided to the growth of arbor or shrub;
E, after one month, again water pyroligneous liquor dilute solution until irrigate, the extension rate of this pyroligneous liquor is 100～800 times, and object, with to water pyroligneous liquor in step c identical, has reached the effect of further improvement soil environment.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit; Although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the field are to be understood that: still can modify or part technical characterictic is equal to replacement the specific embodiment of the present invention; And not departing from the spirit of technical solution of the present invention, it all should be encompassed in the middle of the technical scheme scope that the present invention asks for protection.
Claims (4)
1. the composite interstitial substance for clay improvement, it is characterized in that: described composite interstitial substance comprises reclaimed soil and pyroligneous liquor thinner, wherein, described reclaimed soil comprises that volume ratio is garden waste composting production, flyash and the native soil of 0.5～3:4～6:13～15, and described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of 100～800 times of dilute with waters.
2. composite interstitial substance according to claim 1, is characterized in that: during use, the described reclaimed soil that backfill is entered to plant pit irrigates with described pyroligneous liquor thinner.
3. an improvement method for clayed soil, is characterized in that: by plantation arbor or shrub land used clayed soil are improved, described improvement method also comprises the steps:
A, excavation plant pit, be applicable to the plant pit of trees specification according to seeds excavation, and retain the native soil of excavation plant pit gained;
B, garden waste composting production, flyash are mixed according to volume ratio 0.5～3:4～6:13～15 with native soil, form reclaimed soil;
C, by step B) in reclaimed soil be backfilled in plant pit;
D, at step C) finish after, at once water pyroligneous liquor thinner, until irrigate, described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of 100～800 times of dilute with waters.
4. improvement method according to claim 3, is characterized in that: after one month, the pyroligneous liquor thinner described in pouring is until irrigate again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310632508.9A CN103650693B (en) | 2013-12-02 | 2013-12-02 | A kind of for the composite interstitial substance of clay improvement and the improvement method of clayed soil |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310632508.9A CN103650693B (en) | 2013-12-02 | 2013-12-02 | A kind of for the composite interstitial substance of clay improvement and the improvement method of clayed soil |
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| Publication Number | Publication Date |
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| CN103650693A true CN103650693A (en) | 2014-03-26 |
| CN103650693B CN103650693B (en) | 2016-04-13 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708906A (en) * | 2013-12-02 | 2014-04-09 | 北京东方园林股份有限公司 | Composite matrix for clay improvement and improvement method for cohesive soil |
| CN106688682A (en) * | 2016-12-16 | 2017-05-24 | 安徽未来园林绿化有限公司 | Clay soil improvement method |
| CN106717812A (en) * | 2016-11-24 | 2017-05-31 | 罗景 | A kind of implantation methods of urban greenery plantses |
| CN107114026A (en) * | 2017-05-02 | 2017-09-01 | 杨朝雄 | Physics soil improvement method |
| CN108640779A (en) * | 2018-08-02 | 2018-10-12 | 广东百林园林股份有限公司 | The processing method of heavy soil in a kind of Garden Engineering |
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| JP2002058337A (en) * | 2000-08-15 | 2002-02-26 | Kaneko Kogyo Kk | Face-of-slope greening protective material and method for producing the same and face-of-slope greening protection work |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103708906A (en) * | 2013-12-02 | 2014-04-09 | 北京东方园林股份有限公司 | Composite matrix for clay improvement and improvement method for cohesive soil |
| CN103708906B (en) * | 2013-12-02 | 2015-12-30 | 北京东方园林股份有限公司 | A kind of for the composite interstitial substance of clay improvement and the modification method of clayed soil |
| CN106717812A (en) * | 2016-11-24 | 2017-05-31 | 罗景 | A kind of implantation methods of urban greenery plantses |
| CN106688682A (en) * | 2016-12-16 | 2017-05-24 | 安徽未来园林绿化有限公司 | Clay soil improvement method |
| CN107114026A (en) * | 2017-05-02 | 2017-09-01 | 杨朝雄 | Physics soil improvement method |
| CN108640779A (en) * | 2018-08-02 | 2018-10-12 | 广东百林园林股份有限公司 | The processing method of heavy soil in a kind of Garden Engineering |
| CN108640779B (en) * | 2018-08-02 | 2021-05-07 | 广东百林园林股份有限公司 | Method for treating heavy soil in garden engineering |
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| CN103650693B (en) | 2016-04-13 |
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