CN111109016A - Construction method of ecological safety barrier in abandoned mine restoration area - Google Patents
Construction method of ecological safety barrier in abandoned mine restoration area Download PDFInfo
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- CN111109016A CN111109016A CN202010040689.6A CN202010040689A CN111109016A CN 111109016 A CN111109016 A CN 111109016A CN 202010040689 A CN202010040689 A CN 202010040689A CN 111109016 A CN111109016 A CN 111109016A
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- abandoned mine
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- 230000004888 barrier function Effects 0.000 title claims abstract description 20
- 238000010276 construction Methods 0.000 title claims abstract description 15
- 239000002689 soil Substances 0.000 claims abstract description 72
- 238000000034 method Methods 0.000 claims abstract description 16
- 238000005065 mining Methods 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 241001465754 Metazoa Species 0.000 claims abstract description 12
- 239000003337 fertilizer Substances 0.000 claims abstract description 12
- 235000016709 nutrition Nutrition 0.000 claims abstract description 11
- 230000035764 nutrition Effects 0.000 claims abstract description 10
- 230000008569 process Effects 0.000 claims abstract description 8
- 239000004575 stone Substances 0.000 claims abstract description 6
- 239000010410 layer Substances 0.000 claims abstract description 4
- 239000002344 surface layer Substances 0.000 claims abstract description 4
- 238000012360 testing method Methods 0.000 claims abstract description 4
- 239000002253 acid Substances 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 6
- 239000012670 alkaline solution Substances 0.000 claims description 6
- 241000196324 Embryophyta Species 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 claims description 4
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 3
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims description 3
- 241000209082 Lolium Species 0.000 claims description 3
- 241000219823 Medicago Species 0.000 claims description 3
- 235000017587 Medicago sativa ssp. sativa Nutrition 0.000 claims description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- 235000010086 Setaria viridis var. viridis Nutrition 0.000 claims description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 3
- 239000007864 aqueous solution Substances 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 241001233061 earthworms Species 0.000 claims description 3
- 229910052602 gypsum Inorganic materials 0.000 claims description 3
- 239000010440 gypsum Substances 0.000 claims description 3
- 238000006386 neutralization reaction Methods 0.000 claims description 3
- 230000003472 neutralizing effect Effects 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 229910052698 phosphorus Inorganic materials 0.000 claims description 3
- 239000011574 phosphorus Substances 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000002881 soil fertilizer Substances 0.000 claims description 3
- 238000009331 sowing Methods 0.000 claims description 3
- 244000230342 green foxtail Species 0.000 claims 1
- 230000035699 permeability Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract description 3
- 238000011161 development Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 244000304962 green bristle grass Species 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009360 aquaculture Methods 0.000 description 1
- 244000144974 aquaculture Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
- A01B79/00—Methods for working soil
- A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
-
- 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
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/40—Fabaceae, e.g. beans or peas
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/033—Rearing or breeding invertebrates; New breeds of invertebrates
- A01K67/0332—Earthworms
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Botany (AREA)
- Animal Behavior & Ethology (AREA)
- Zoology (AREA)
- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Soil Sciences (AREA)
- Fertilizers (AREA)
Abstract
The invention discloses a construction method of an ecological safety barrier in a abandoned mine restoration area, which comprises the following steps: and S1, before mining in the mining area, digging away the soil on the surface layer and the subsurface layer of the mine, storing the soil in a proper environment, after mining, putting the stored soil back to the original place, storing for 3-5 days, taking a certain amount of soil in a unit range, testing, and detecting the pH value, the humidity and the nutritional condition of the soil. The construction process of the ecological safety barrier in the abandoned mine restoration area is simple, the effect is obvious, the ecological safety barrier can be treated from multiple layers of the pH value, the humidity and the nutrition condition of soil, the soil quality is improved, the improvement is accelerated, the restoration construction period is shortened, meanwhile, the fertilizer is spread, good conditions are provided for the vegetation growth, the air permeability and the water permeability of the soil are improved by animals, the stone slope protection structure is stable, and the aims of leakage prevention and blocking can be efficiently achieved.
Description
Technical Field
The invention relates to the technical field of mine restoration, in particular to a construction method of an ecological safety barrier in a abandoned mine restoration area.
Background
Population, resources and environment are main problems in the sustainable development process of the society at present, and the balanced and harmonious development of the population and the resource environment is imperative. And by analyzing from a theoretical level, the sustainable development of local environment is a subset of the overall stable operation of the society. The ecological environment treatment and restoration of the mine are the key of the sustainable development of local environment. Therefore, the principle and the method for restoring ecology and resource economy are comprehensively utilized, and the method has very important significance for researching and analyzing the productivity restoration of the abandoned mine land and the maintenance of a mine ecosystem.
In the development process of the last decade, the mine development industry of China is rapidly developed, the role of mining economy in national economy is also increased, and outstanding economic benefits are obtained. However, as the mining of mineral resources is the activity of changing the landscape of the earth surface and destroying the ecological system of the earth surface in the largest scale in human activities, the large-scale mining of China causes great damage to the land environment of China and promotes the rapid reduction of the land resources around the mining area, wherein the main ecological reconstruction modes of the goaf of the open stope are two types of natural vegetation restoration and artificial vegetation restoration. By matching with measures such as water storage reconstruction, deep digging and shallow filling technology, agriculture and forestry reconstruction and the like, vegetation can be accelerated to recover; ecological reconstruction of the tailing field mainly utilizes an artificial greening mode, and ecological restoration is promoted through ecological reconstruction of gangue and ecological reconstruction of a subsidence area; the main technologies for ecological reconstruction of the refuse dump comprise refuse dump soil vegetation recovery, refuse dump soil stabilization technology, vegetation species screening and configuration technology and the like; the ecological reconstruction of the subsidence area is mainly based on the development direction of the mining subsidence area in the mining area after reconstruction, factors such as agriculture, aquaculture, construction and the like are comprehensively considered, a corresponding ecological reconstruction scheme is made, the time for maintaining the ecological safety barrier in the traditional abandoned mine restoration area is short, the efficiency is poor, and the constructed mine is easy to waste again.
Disclosure of Invention
The invention aims to provide a construction method of an ecological safety barrier in a abandoned mine restoration area, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a construction method of an ecological safety barrier in a abandoned mine restoration area comprises the following steps:
s1, before mining, digging away soil on the surface layer and the subsurface layer of the mine, storing the soil in a proper environment, after mining, putting the stored soil back to the original place, storing for 3-5 days, taking a certain amount of soil in a unit range, testing, and detecting the pH value, humidity and nutrition condition of the soil;
s2, preparing caustic lime and carbonate alkaline aqueous solution with the PH of 7.5-9.5, adding a proper amount of alkaline solution according to the soil pH value in each range, immersing the alkaline solution into acid soil, and neutralizing;
s3, preparing an acid water solution of gypsum and sulfur powder with the pH of 5.5-6.5, adding a proper amount of acid solution according to the pH value of soil in each range, and immersing the acid solution into alkaline soil for neutralization;
s4, adding a proper amount of clear water according to the detected soil humidity to mix the clear water with the soil and ensure that all the soils are at the same effective humidity;
s5, adding fertilizer into the soil regularly and quantitatively according to the detected nutrition condition of the soil, keeping the soil fertilizer efficiency, and maintaining;
s6, sowing 1-3kg of weeds such as ryegrass, green bristlegrass and alfalfa in each mu of soil after the maintenance is finished, digging pits according to a certain planting distance after the growth is finished, and planting vegetation in the planting pits;
s7, adding animals into the soil in units of mu, observing the situation, and gradually adding other complex animals in the follow-up process;
and S8, building stone slope protection according to the mine scale and the stability degree of the side slope, and ensuring the stability of the side slope.
Preferably, the soil selected in the S1 is 0.5-0.8 mu, and the weight of the soil is 3-5 g.
Preferably, the fertilizer added in S5 is nitrogen, phosphorus or potassium fertilizer.
Preferably, the curing time in S5 is not less than 3 weeks at minimum and not more than 6 weeks at maximum.
Preferably, the planting distance of the dug pits in the S6 is 8-12m, and the vegetation planted in the planting pits is trees and shrubs.
Preferably, the animals added in the unit range in the S7 are added with 3-5kg of earthworms per mu.
Compared with the prior art, the invention has the beneficial effects that: the construction process of the ecological safety barrier in the abandoned mine restoration area is simple, the effect is obvious, the ecological safety barrier can be treated from multiple layers of the pH value, the humidity and the nutrition condition of soil, the soil quality is improved, the improvement is accelerated, the restoration construction period is shortened, meanwhile, the fertilizer is spread, good conditions are provided for the vegetation growth, the air permeability and the water permeability of the soil are improved by animals, the stone slope protection structure is stable, and the aims of leakage prevention and blocking can be efficiently achieved.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
the invention provides a technical scheme that: a construction method of an ecological safety barrier in a abandoned mine restoration area comprises the following steps:
s1, before mining, digging away soil on the surface layer and the subsurface layer of the mine, storing the soil in a proper environment, after mining, putting the stored soil back to the original place, storing for 3-5 days, taking a certain amount of soil in a unit range, testing, detecting the pH value, humidity and nutrition condition of the soil, adopting a method of covering old soil, ensuring that the physical property, the seed bank and the nutrition condition of the whole soil have no great change, and being convenient for native plants to grow and survive in a short time;
s2, preparing caustic lime and carbonate alkaline aqueous solution with the PH of 7.5-9.5, adding a proper amount of alkaline solution according to the soil pH value in each range, immersing the alkaline solution into acid soil, and neutralizing;
s3, preparing an acid water solution of gypsum and sulfur powder with the pH of 5.5-6.5, adding a proper amount of acid solution according to the pH value of soil in each range, and immersing the acid solution into alkaline soil for neutralization;
s4, adding a proper amount of clear water according to the detected soil humidity to mix the clear water with the soil and ensure that all the soils are at the same effective humidity;
s5, adding fertilizer into the soil regularly and quantitatively according to the detected nutrition condition of the soil, keeping the soil fertilizer efficiency, and maintaining;
s6, sowing 1-3kg of weeds such as ryegrass, green bristlegrass and alfalfa in each mu of soil after the maintenance is finished, digging pits according to a certain planting distance after the growth is finished, and planting vegetation in the planting pits;
s7, adding animals into the soil in units of mu, observing the situation, and gradually adding other complex animals in the follow-up process;
and S8, building stone slope protection according to the mine scale and the stability degree of the side slope, and ensuring the stability of the side slope.
Specifically, the soil selected in S1 ranges from 0.5 to 0.8 mu, and the weight of the soil is 3 to 5 g.
Specifically, the fertilizer added in S5 is nitrogen, phosphorus, or potassium fertilizer.
Specifically, the curing time in S5 is at least 3 weeks and at most 6 weeks.
Specifically, planting intervals of the dug pits in S6 are 8-12m, and the vegetation planted in the planting pits is arbors and shrubs.
Specifically, the animals added in the unit range in S7 are added with 3-5kg of earthworms per mu.
The construction process of the ecological safety barrier in the abandoned mine restoration area is simple, the effect is obvious, the ecological safety barrier can be treated from multiple layers of the pH value, the humidity and the nutrition condition of soil, the soil quality is improved, the improvement is accelerated, the restoration construction period is shortened, meanwhile, the fertilizer is spread, good conditions are provided for the vegetation growth, the air permeability and the water permeability of the soil are improved by animals, the stone slope protection structure is stable, and the aims of leakage prevention and blocking can be efficiently achieved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The construction method of the ecological safety barrier in the abandoned mine restoration area is characterized by comprising the following steps:
s1, before mining, digging away soil on the surface layer and the subsurface layer of the mine, storing the soil in a proper environment, after mining, putting the stored soil back to the original place, storing for 3-5 days, taking a certain amount of soil in a unit range, testing, and detecting the pH value, humidity and nutrition condition of the soil;
s2, preparing caustic lime and carbonate alkaline aqueous solution with the PH of 7.5-9.5, adding a proper amount of alkaline solution according to the soil pH value in each range, immersing the alkaline solution into acid soil, and neutralizing;
s3, preparing an acid water solution of gypsum and sulfur powder with the pH of 5.5-6.5, adding a proper amount of acid solution according to the pH value of soil in each range, and immersing the acid solution into alkaline soil for neutralization;
s4, adding a proper amount of clear water according to the detected soil humidity to mix the clear water with the soil and ensure that all the soils are at the same effective humidity;
s5, adding fertilizer into the soil regularly and quantitatively according to the detected nutrition condition of the soil, keeping the soil fertilizer efficiency, and maintaining;
s6, sowing 1-3kg of weeds such as ryegrass, green bristlegrass and alfalfa in each mu of soil after the maintenance is finished, digging pits according to a certain planting distance after the growth is finished, and planting vegetation in the planting pits;
s7, adding animals into the soil in units of mu, observing the situation, and gradually adding other complex animals in the follow-up process;
and S8, building stone slope protection according to the mine scale and the stability degree of the side slope, and ensuring the stability of the side slope.
2. The method for constructing the ecological safety barrier in the abandoned mine restoration area according to claim 1, which is characterized in that: the soil selected in the S1 ranges from 0.5 mu to 0.8 mu, and the weight of the soil is 3 g to 5 g.
3. The method for constructing the ecological safety barrier in the abandoned mine restoration area according to claim 1, which is characterized in that: the fertilizer added in the S5 is nitrogen, phosphorus and potassium fertilizer.
4. The method for constructing the ecological safety barrier in the abandoned mine restoration area according to claim 1, which is characterized in that: and the curing time in the S5 is not less than 3 weeks at least and not more than 6 weeks at most.
5. The method for constructing the ecological safety barrier in the abandoned mine restoration area according to claim 1, which is characterized in that: the planting distance of the dug pits in the S6 is 8-12m, and the vegetation planted in the planting pits is arbors and shrubs.
6. The method for constructing the ecological safety barrier in the abandoned mine restoration area according to claim 1, which is characterized in that: the animals added in the S7 within a unit range are specifically earthworms added in an amount of 3-5kg per mu.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010040689.6A CN111109016A (en) | 2020-01-15 | 2020-01-15 | Construction method of ecological safety barrier in abandoned mine restoration area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010040689.6A CN111109016A (en) | 2020-01-15 | 2020-01-15 | Construction method of ecological safety barrier in abandoned mine restoration area |
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| CN111109016A true CN111109016A (en) | 2020-05-08 |
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| CN202010040689.6A Pending CN111109016A (en) | 2020-01-15 | 2020-01-15 | Construction method of ecological safety barrier in abandoned mine restoration area |
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| Country | Link |
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| CN (1) | CN111109016A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111699776A (en) * | 2020-06-18 | 2020-09-25 | 南京中泰平祥化工科技有限公司 | Construction method for recovering vegetation by improving acid heavy metal mine in-situ matrix |
| CN112262635A (en) * | 2020-07-28 | 2021-01-26 | 天津泰达盐碱地绿化研究中心有限公司 | Ecological restoration method for coastal heavy saline-alkali soil by comprehensively utilizing municipal refuse |
| CN114651679A (en) * | 2022-05-05 | 2022-06-24 | 李健 | Ecological restoration method for abandoned mine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20200508 |