CN106613138A - Ecological restoration method of solid waste yards - Google Patents
Ecological restoration method of solid waste yards Download PDFInfo
- Publication number
- CN106613138A CN106613138A CN201611008490.5A CN201611008490A CN106613138A CN 106613138 A CN106613138 A CN 106613138A CN 201611008490 A CN201611008490 A CN 201611008490A CN 106613138 A CN106613138 A CN 106613138A
- Authority
- CN
- China
- Prior art keywords
- solid waste
- clay
- compaction
- thickness
- compacting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000002910 solid waste Substances 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 20
- 239000004927 clay Substances 0.000 claims abstract description 20
- 239000002689 soil Substances 0.000 claims abstract description 20
- 238000005056 compaction Methods 0.000 claims abstract description 18
- 239000004576 sand Substances 0.000 claims abstract description 10
- 244000025254 Cannabis sativa Species 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004745 nonwoven fabric Substances 0.000 claims abstract description 6
- 230000004888 barrier function Effects 0.000 claims description 22
- 238000011084 recovery Methods 0.000 claims description 11
- 239000000834 fixative Substances 0.000 claims description 9
- 229910001385 heavy metal Inorganic materials 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 231100000481 chemical toxicant Toxicity 0.000 abstract 1
- 239000003440 toxic substance Substances 0.000 abstract 1
- 239000002699 waste material Substances 0.000 abstract 1
- 239000000126 substance Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 239000003337 fertilizer Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- 229910000278 bentonite Inorganic materials 0.000 description 2
- 239000000440 bentonite Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 239000000645 desinfectant Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 239000003381 stabilizer Substances 0.000 description 2
- 239000010902 straw Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000002894 chemical waste Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 230000001473 noxious effect Effects 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 230000007096 poisonous effect Effects 0.000 description 1
- 229920002401 polyacrylamide Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000004162 soil erosion Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
- 239000008207 working material Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/005—Cultivation methods
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G20/00—Cultivation of turf, lawn or the like; Apparatus or methods therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B1/00—Dumping solid waste
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/002—Ground foundation measures for protecting the soil or subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/006—Sealing of existing landfills, e.g. using mining techniques
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Environmental Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Botany (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a method for ecological restoration of solid waste yards including heavy metal residues and toxic chemical waste. Its feature is that it comprises the following steps :( 1) the solid wastes in the yards are mixed uniformly with fixing agent and water, and then rolled in compaction. (2)In the process of compaction, the center position of yards is the high spot, the slope gradually tilted to the surrounding with a degree more than 5 degrees less than 45 degrees; (3) after the compaction of solid wastes,an impervious layer is placed on the solid wastes, then pile and compact the clay of thickness of 10 cm - 20 cm on impermeable layer; (4) a sand layer of thickness of 1 cm to 3 cm is placed and compacted on the compacted clay;(5) soil of cultivation of thickness of 30 cm - 45 cm is laid on the compacted sand layer, trees or grass seedlings are planted on the soil of cultivation ; the invention adopts the non-woven fabric and waterproof blanket in the clay to closed solid waste ,pollutants is effectively prevented from leaking into the water and spreading out; Grass and trees are planted on top of the cultivated soil to achieve the goal of ecological restoration of solid waste yards.
Description
Technical field
The present invention relates to a kind of processing method of discarded object, specifically a kind of solid waste stacking field ecological recovery
Method, more particularly to a kind of solid waste stacking field ecological recovery for including heavy metal residue and noxious chemical wastess
Method.
Background technology
At present, due to industrialization and urbanization, the solid waste such as produced many industrial refuses, house refuse is stacked
In the periphery in factory, mine or city.Because the country does not carry out mandatory classifications to rubbish, the also custom without refuse classification,
Therefore, solid waste is particularly in Mine Solid Wastes and mixes metallic residue emphatically and poisonous chemical waste unavoidably,
Pile up on soil surface, destroy soil, natural landscape and the vegetation of earth's surface, soil erosion aggravation is caused seriously to ecological environment
Destruction, and content of beary metal and chemical agent in solid waste are more, and to surface water and groundwater severe contamination is caused.Mesh
Before, it is general using process or reclaim process or the landfill disposal of banking up（Brief talk the process of Mine Solid Wastes and created using science and technology
New № .02 environmental sciences P146 of Leader 2013.）.
The content of the invention
It is an object of the invention to provide a kind of solid waste stacks field ecological recovery method.
The present invention is adopted the following technical scheme that and realizes its goal of the invention, and a kind of solid waste stacks field ecological recovery
Method, it is comprised the following steps：
(1) the solid waste in field will be stacked to be well mixed with fixative and water, compacting is rolled；
(2) in compacting process, the center for making stacking field is high point, is gradually inclined to periphery with 5 ° of 45 ° of ＜ gradients ＜；
(3) impervious barrier is placed in solid waste after compaction, the clay that thickness is 10 ㎝～20 ㎝, pressure are stacked on impervious barrier
It is real；
To avoid impervious barrier from moving in solid waste, the present invention step (3) in, solid waste first after compaction
It is upper to stack the clay that thickness is 10 ㎝～20 ㎝, compacting；Impervious barrier is placed again, stacks thickness on impervious barrier again for 10 ㎝～20 ㎝
Clay, compacting.
(4) the sand bed that thickness is 1 ㎝～3 ㎝, compacting are stacked on clay after compaction；
(5) after compaction the cultivation of ㎝～45 ㎝ of laying depth 30 is native above sand bed, and upper sapling or grass seedling are planted on cultivation soil.
Impervious barrier of the present invention is non-woven fabrics or waterproof blanket.
Due to adopting above-mentioned technical proposal, the present invention preferably to realize goal of the invention, to solid waste by middle height,
The low design of periphery is implemented smooth and is rolled, and one is to reduce the space that solid waste is occupied；Two is using embedding nothing in clay
Spin cloth or waterproof blanket closes the extexine of solid waste, rainwater oozes out to descending along the inclined-plane that solid waste is constituted, has
Effect prevents rainwater from penetrating into solid waste, so as to prevent solid waste because rainwater penetrate into pollute thing dissolve in rainwater and
Outwards seepage diffusion；Three is that fixative is added with solid waste, can be under conditions of watering down without rainwater, by chemistry
Reaction and attached function reduce the activity of chemical pollutant and heavy metal element；Four is on the cultivation soil at the top of solid waste
Plant grass, plant trees, reach the purpose that solid waste stacks field ecological recovery.
Description of the drawings
Fig. 1 is the structural representation of the embodiment of the present invention 1；
Fig. 2 is the structural representation of the embodiment of the present invention 2.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Embodiment 1：
As shown in Figure 1, a kind of solid waste stacks field ecological recovery method, and it is comprised the following steps：
(1) the solid waste in field will be stacked to be well mixed with fixative and water, compacting is rolled；
(2) in compacting process, the center for making stacking field is high point, is gradually inclined to periphery with 5 ° of 45 ° of ＜ gradients ＜；
(3) impervious barrier is placed in solid waste after compaction, the clay that thickness is 10 ㎝～20 ㎝, pressure are stacked on impervious barrier
It is real；
(4) the sand bed that thickness is 1 ㎝～3 ㎝, compacting are stacked on clay after compaction；
(5) after compaction the cultivation of ㎝～45 ㎝ of laying depth 30 is native above sand bed, and upper sapling or grass seedling are planted on cultivation soil.
Impervious barrier of the present invention is non-woven fabrics or waterproof blanket.
The present embodiment is first well mixed to stacking the solid waste 1 on field with fixative and water, is implemented to grind with mechanization
Pressure compacting, in compacting process, the center for making stacking field is high point, is inclined gradually to periphery with 10 ° of the gradient from high point.
The fixative is a kind of chemical fixatives repaired for heavy-metal contaminated soil disclosed in the patent No. 201310224997.4.
Using when, solid waste 1：Fixative：The ratio of water is 100：（4～6）：（30～50）.
Impervious barrier 3 is placed in solid waste 1 after compaction, the clay 2 that thickness is 20 ㎝, pressure are stacked on impervious barrier 3
It is real；Impervious barrier 3 selects non-woven fabrics.
The sand bed 4 that thickness is 3 ㎝, compacting are stacked on clay 2 after compaction；The above laying depth of sand bed 4 after compaction
The cultivation soil 5 of 30 ㎝, plants upper grass seedling 6 on cultivation soil 5.
Soil 5 is cultivated described in the present embodiment includes clean soil, organic matter, fertilizer, water-loss reducer, stabilizer, acidity regulator
And disinfectant, by a certain percentage mixture form（By weight）.Clean soil takes unpolluted soil, and organic matter adopts straw
Or rice straw or wood fiber powder are broken into 10 ㎜～15 ㎜, fertilizer increases barren side slope fertility using quick-acting chemical fertilizer and slow chemical fertilizer, carries
For the nutrition required for plant growth, water-loss reducer adopts polyacrylamide, stabilizer to select pollution-free adhesive, acidity regulator
Adjust the pH value of soil so as in neutral acidity on the weak side, disinfectant is used for killing except harmful bacteria contained in soil.
Solid waste of the present invention 1 is implemented smooth and is rolled by middle height, the low design of periphery, and one is to reduce solid to give up
The space that gurry is occupied；Two is the extexine that solid waste is closed using embedding non-woven fabrics in clay or waterproof blanket, rainwater along
The inclined-plane that solid waste is constituted oozes out to descending, effectively prevents rainwater from penetrating into solid waste, so as to prevent solid waste
Thing dissolves in rainwater and outside seepage diffusion because rainwater infiltration pollutes thing；Three is that fixative is added with solid waste,
Chemical pollutant and heavy metal element can be reduced by chemical reaction and attached function under conditions of watering down without rainwater
Activity；Four is to plant grass on cultivation soil at the top of solid waste, plant trees, and has reached solid waste and has stacked field ecological recovery
Purpose.
Embodiment 2：
As shown in Figure 2, to avoid impervious barrier 3 from moving in solid waste 1, the present invention step (3) in, first after compaction
Solid waste 1 on stack thickness be 10 ㎝～20 ㎝ clay 2, compacting；Impervious barrier 3 is placed again, is stacked again on impervious barrier 3
Thickness is the clay 2 of 10 ㎝～20 ㎝, compacting.
The present embodiment impervious barrier 3 adopts waterproof blanket, and the waterproof blanket is GCL, and it is natural by what is matched somebody with somebody through level
Na-bentonite soil particle and corresponding additive are mixed into raw material, Jing needling processes and equipment, and bentonite clay particle is fixed on
Blanket waterproof roll made by between geotextiles and plastic woven cloth.GCL was both all special with earth working material
Property, and with excellent waterproof（Ooze）Performance.
So, impervious barrier 3 is difficult movement in solid waste 1, enhances the antiseepage effect of impervious barrier 3.
Remaining same embodiment 1.
Claims (3)
1. a kind of solid waste stacks field ecological recovery method, it is characterized in that it is comprised the following steps：
(1) the solid waste in field will be stacked to be well mixed with fixative and water, compacting is rolled；
(2) in compacting process, the center for making stacking field is high point, is gradually inclined to periphery with 5 ° of 45 ° of ＜ gradients ＜；
(3) impervious barrier is placed in solid waste after compaction, the clay that thickness is 10 ㎝～20 ㎝, pressure are stacked on impervious barrier
It is real；
(4) the sand bed that thickness is 1 ㎝～3 ㎝, compacting are stacked on clay after compaction；
(5) after compaction the cultivation of ㎝～45 ㎝ of laying depth 30 is native above sand bed, and upper sapling or grass seedling are planted on cultivation soil.
2. solid waste according to claim 1 stacks field ecological recovery method, it is characterized in that step (3) in, first
The clay that thickness is 10 ㎝～20 ㎝, compacting are stacked in solid waste after compaction；Impervious barrier is placed again, on impervious barrier again
Stack the clay that thickness is 10 ㎝～20 ㎝, compacting.
3. the solid waste according to claim 1 or 2 or 3 stacks field ecological recovery method, it is characterized in that the antiseepage
Layer is non-woven fabrics or waterproof blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008490.5A CN106613138A (en) | 2016-11-16 | 2016-11-16 | Ecological restoration method of solid waste yards |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611008490.5A CN106613138A (en) | 2016-11-16 | 2016-11-16 | Ecological restoration method of solid waste yards |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106613138A true CN106613138A (en) | 2017-05-10 |
Family
ID=58806989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611008490.5A Pending CN106613138A (en) | 2016-11-16 | 2016-11-16 | Ecological restoration method of solid waste yards |
Country Status (1)
| Country | Link |
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| CN (1) | CN106613138A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107241988A (en) * | 2017-06-14 | 2017-10-13 | 深圳市万卉园景观工程有限公司 | A kind of antiseepage antiskid type bare slope revegetation matrix Rotating fields |
| CN107593018A (en) * | 2017-09-15 | 2018-01-19 | 大连地拓环境科技有限公司 | A kind of method and conditioned soil by Abandoned Land of Mine reparation into nursery land used |
| CN108273833A (en) * | 2018-03-13 | 2018-07-13 | 上海市园林科学规划研究院 | The layering on the spot of building solid waste utilizes and the application on reducing soil alkaline |
| CN108513849A (en) * | 2018-03-13 | 2018-09-11 | 上海市园林科学规划研究院 | A method of the more caves of plantation arbor are layered consumption solid waste |
| CN110106826A (en) * | 2019-04-18 | 2019-08-09 | 重庆交通大学 | River bed microorganism grouting ecological anti-seepage system and its construction method |
| CN110130307A (en) * | 2019-05-09 | 2019-08-16 | 河海大学 | A kind of ecological restoration of mine system and ecological restoring method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843923A (en) * | 2006-04-03 | 2006-10-11 | 贵阳铝镁设计研究院 | House-sealing method for dry-process piling yard of red mud |
| CN103275725A (en) * | 2013-06-07 | 2013-09-04 | 中南大学 | Chemical fixing agent for heavy metal contaminated soil remediation and preparation and application thereof |
| CN205530203U (en) * | 2015-12-16 | 2016-08-31 | 北京高能时代环境技术股份有限公司 | Domestic waste landfill yard closes structure for wastes material is sharp |
-
2016
- 2016-11-16 CN CN201611008490.5A patent/CN106613138A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1843923A (en) * | 2006-04-03 | 2006-10-11 | 贵阳铝镁设计研究院 | House-sealing method for dry-process piling yard of red mud |
| CN103275725A (en) * | 2013-06-07 | 2013-09-04 | 中南大学 | Chemical fixing agent for heavy metal contaminated soil remediation and preparation and application thereof |
| CN205530203U (en) * | 2015-12-16 | 2016-08-31 | 北京高能时代环境技术股份有限公司 | Domestic waste landfill yard closes structure for wastes material is sharp |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107241988A (en) * | 2017-06-14 | 2017-10-13 | 深圳市万卉园景观工程有限公司 | A kind of antiseepage antiskid type bare slope revegetation matrix Rotating fields |
| CN107593018A (en) * | 2017-09-15 | 2018-01-19 | 大连地拓环境科技有限公司 | A kind of method and conditioned soil by Abandoned Land of Mine reparation into nursery land used |
| CN108273833A (en) * | 2018-03-13 | 2018-07-13 | 上海市园林科学规划研究院 | The layering on the spot of building solid waste utilizes and the application on reducing soil alkaline |
| CN108513849A (en) * | 2018-03-13 | 2018-09-11 | 上海市园林科学规划研究院 | A method of the more caves of plantation arbor are layered consumption solid waste |
| CN110106826A (en) * | 2019-04-18 | 2019-08-09 | 重庆交通大学 | River bed microorganism grouting ecological anti-seepage system and its construction method |
| CN110130307A (en) * | 2019-05-09 | 2019-08-16 | 河海大学 | A kind of ecological restoration of mine system and ecological restoring method |
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