CN103650693B - A kind of for the composite interstitial substance of clay improvement and the improvement method of clayed soil - Google Patents
A kind of for the composite interstitial substance of clay improvement and the improvement method of clayed soil Download PDFInfo
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- CN103650693B CN103650693B CN201310632508.9A CN201310632508A CN103650693B CN 103650693 B CN103650693 B CN 103650693B CN 201310632508 A CN201310632508 A CN 201310632508A CN 103650693 B CN103650693 B CN 103650693B
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Abstract
The present invention relates to a kind of for the composite interstitial substance of clay improvement and the improvement method of clayed soil, described composite interstitial substance comprises reclaimed soil and pyroligneous liquor thinner, wherein, described reclaimed soil comprises garden waste composting production, flyash and the native soil that volume ratio is 0.5 ~ 3:4 ~ 6:13 ~ 15, and described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of dilute with water 100 ~ 800 times.Be used for the composite interstitial substance of clay improvement and the improvement method of clayed soil by the present invention, improve the physico chemical property of clayed soil, thus facilitate the normal growth of plant.Present invention also offers the way that solves urban industry solid waste and city trees and shrubs organic waste, decrease the impact that municipal refuse brings periphery ecotope.Really achieve that urban waste is innoxious, resource, make it make the best use of everything, turn waste into wealth, there is significant 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 for the composite interstitial substance of 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 on average often generating electricity 10,000 kilowatts to produce about 10,000 tons, flyash.Calendar year 2001, the year flyash discharge capacity of China reached 1.5 hundred million tons, and storage capacity is more than 1,000,000,000 tons.China has become flyash maximum in the world and has produced and storage state, but the availability of flyash only has 30%, and major part is with landfill and the mode process of storing up.This processing mode not only can take a large amount of soils, and due to flyash self-characteristic, time dry, wind is easily flown upward, and easily flows and leaching, also can bring very large impact to the ecotope of periphery time rainy.
In structure, flyash is combined through the honeycomb particulate reconfiguring the rough surface, the corner angle that are formed more 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, the amount of afforestation discarded object as dry branches and fallen leaves (Litter), branch pruning thing, turf-mown thing, weeds, seed and residual flower etc. is also increasing.These garden waste are regarded as municipal solid wastes, often adopt the mode of landfill or burning to be processed, this not only causes 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 garden waste composting production, flyash, pyroligneous liquor and local clayed soil mixed according to certain ratio, and realize the improvement of clayed soil based on this.
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 garden waste composting production, flyash and the native soil that volume ratio is 0.5 ~ 3:4 ~ 6:13 ~ 15, and described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of dilute with water 100 ~ 800 times.
Preferably, during use, the described reclaimed soil backfilled into plant pit is irrigated with described pyroligneous liquor thinner.
Present invention also offers a kind of improvement method of clayed soil, by improveing plantation arbor or shrub clayed soil, 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 to be 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, in step C) terminate after, at once water pyroligneous liquor thinner, until irrigate, described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of dilute with water 100 ~ 800 times.
Further, preferably, after one month, described pyroligneous liquor thinner is again watered until irrigate.
Based on technique scheme, advantage of the present invention is:
A kind of for the composite interstitial substance of clay improvement and the improvement method of clayed soil by the present invention, improve the physico chemical property of clayed soil, thus facilitate the normal growth of plant.Present invention also offers the way that solves urban industry solid waste and city trees and shrubs organic waste, decrease the impact that municipal refuse brings periphery ecotope.Really achieve that urban waste is innoxious, resource, make it make the best use of everything, turn 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 feature that clayed soil structure is poor and nutrient is low, introduce organic and inorganic two kinds of improvement matrix, i.e. garden waste and flyash, they can coordinate three-phase material ratio and the soil fertility of improving soil matrix mutually, avoid some drawbacks that single improvement matrix exists.Before enforcement improvement method, first for the preparation of the composite interstitial substance of clay improvement, described composite interstitial substance comprises reclaimed soil and pyroligneous liquor thinner, wherein, described reclaimed soil comprises garden waste composting production, flyash and the native soil that volume ratio is 0.5 ~ 3:4 ~ 6:13 ~ 15, and described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of dilute with water 100 ~ 800 times.
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 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 improvement matrix: the content that significantly can increase soil with organic matter, nitrogen, phosphorus, potassium, for soil provides abundant nutrient, the structure of soil can be improved, increase air capacity of soils and the water penetration of soil, promote the formation of soil structure further, improve the preserve moisture and fertility ability of soil; On the other hand, own structural characteristics due to described flyash determines it and has abundant pore structure and huge specific surface area, especially the physical property improving clayey soil is had to the effect of highly significant, the improvement result of flyash to clayed soil physicochemical property is mainly reflected in the following aspects: (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) to soil, there is good preserve moisture and fertility ability, simultaneously also for microorganism creates good attachment condition; (4) flyash color is usually dark than general soil, can strengthen soil heat absorption capacity, improves ground temperature; (5) be rich in the major and trace element needed for plant growth in flyash, the content of its medium trace element, generally higher than plant ashes, adds soil nutrient;
C, reclaimed soil described in step b is backfilled in plant pit;
After d, step c terminate, water pyroligneous liquor dilute solution immediately until irrigate, described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of dilute with water 100 ~ 800 times, by pyroligneous liquor dilute solution is applied to soil melioration, add quantity and the activity of edaphon 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, usual mean value is all more than 8, matrix and pyroligneous liquor dilute solution generation acid-base neutralization can be made to react by adding pyroligneous liquor dilute solution, reduce matrix pH value, provide a good soil environment to the growth of arbor or shrub;
E, again water pyroligneous liquor dilute solution until irrigate after one month, the extension rate of this pyroligneous liquor is 100 ~ 800 times, and object, with to water pyroligneous liquor in step c identical, reaches the effect of improvement soil environment further.
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 with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or carry out equivalent replacement to portion of techniques feature; 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 of request of the present invention protection.
Claims (3)
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 garden waste composting production, flyash and the native soil that volume ratio is 0.5 ~ 3:4 ~ 6:13 ~ 15, and described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of dilute with water 100 ~ 800 times; During use, the described reclaimed soil backfilled into plant pit is irrigated with described pyroligneous liquor thinner.
2. an improvement method for clayed soil, is characterized in that: by improveing plantation arbor or shrub land used clayed soil, 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 to be 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, in step C) terminate after, at once water pyroligneous liquor thinner, until irrigate, described pyroligneous liquor thinner is the pyroligneous liquor dilute solution of dilute with water 100 ~ 800 times.
3. improvement method according to claim 2, is characterized in that: after one month, again waters described pyroligneous liquor thinner until irrigate.
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| CN103650693B true CN103650693B (en) | 2016-04-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
| 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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| CN102405708A (en) * | 2010-09-21 | 2012-04-11 | 河北省农林科学院滨海农业研究所 | Method for quickly desalting viscous heavy salt soil by using fly ash |
| CN102405706A (en) * | 2011-08-12 | 2012-04-11 | 南京农业大学 | Improving method of cured saline-alkali soil by utilizing agricultural waste biomass carbide |
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| CN102925162A (en) * | 2012-11-09 | 2013-02-13 | 南京工业大学 | Multifunctional soil conditioner and preparation method thereof |
| CN102951973A (en) * | 2012-11-26 | 2013-03-06 | 云南农业大学 | Preparation method for pyroligneous liquor and organic fertilizer mixture soil conditioner and conditioning method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3439701B2 (en) * | 1999-10-29 | 2003-08-25 | 株式会社関西総合環境センター | Production method of wood raw material compost |
| 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 |
| JP4529174B2 (en) * | 2004-07-20 | 2010-08-25 | Ｊｆｅエンジニアリング株式会社 | Soil improvement material |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102405708A (en) * | 2010-09-21 | 2012-04-11 | 河北省农林科学院滨海农业研究所 | Method for quickly desalting viscous heavy salt soil by using fly ash |
| CN102405706A (en) * | 2011-08-12 | 2012-04-11 | 南京农业大学 | Improving method of cured saline-alkali soil by utilizing agricultural waste biomass carbide |
| CN102585836A (en) * | 2012-01-12 | 2012-07-18 | 天津泰达园林建设有限公司 | Soil melioration matrix prepared from garden waste and preparation method of soil melioration matrix |
| CN102523779A (en) * | 2012-02-13 | 2012-07-04 | 白银市农业科学研究所 | Method for reusing saline-alkali waste cultivated land to grow plants |
| CN102925162A (en) * | 2012-11-09 | 2013-02-13 | 南京工业大学 | Multifunctional soil conditioner and preparation method thereof |
| CN102951973A (en) * | 2012-11-26 | 2013-03-06 | 云南农业大学 | Preparation method for pyroligneous liquor and organic fertilizer mixture soil conditioner and conditioning method thereof |
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