CN103416129B - The quick Reclamation method of semi-arid wind-sand area coal gangue hill - Google Patents
The quick Reclamation method of semi-arid wind-sand area coal gangue hill Download PDFInfo
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- CN103416129B CN103416129B CN201310364794.5A CN201310364794A CN103416129B CN 103416129 B CN103416129 B CN 103416129B CN 201310364794 A CN201310364794 A CN 201310364794A CN 103416129 B CN103416129 B CN 103416129B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/40—Afforestation or reforestation
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Abstract
The invention discloses the quick Reclamation method of a kind of semi-arid wind-sand area coal gangue hill, comprise the following steps of carrying out successively: shaping is transformed; Pad soil covers sand; Collection rain bed surface is set; Set up sand-protecting barrier; Urge to fill with and cultivate or fill with grass combination and cultivation with grass; Reclaim management, prevent gangue resume combustion.Fast, simple and direct, economical and practical, benefit lasting, and be applicable to the quick Reclamation of semi-arid wind-sand area coal gangue hill.
Description
Technical field
The present invention relates to a kind of coal gangue hill Reclamation technology, particularly relate to the quick Reclamation method of a kind of semi-arid wind-sand area coal gangue hill.
Background technology
The Jin, Shaanxi and Inner Mongolia that Shenfu coalfield is located in Mu Us Shadi edge border on district, are cross-centennial super-huge coal mining that country determines, development area.But this district is located in Eco-environmental fragile area and the desertification severe development district of China, the factors such as weather, soil, vegetation all show strong transition feature, intensity particularly along with mankind's activity increases, the response of ecotope to mining is very responsive, especially mine and produce adjunct--gangue discarded object occupies a large amount of land resources, primary surface ecosystems is destroyed.Show that Shen Fu mining area now forms 10hm according to the monitoring of sand control research institute of Shaanxi Province
2above hillock to reach more than 400, coal gangue hill have have a very wide distribution, area is large, appropriation of land resource, contaminated environment and difficulty of governance are large problem.
The coal gangue hill that semi-arid wind-sand area is formed is the site type that a kind of land reclamation is very difficult, and conventional Reclamation is difficult to successfully, and in prior art, " covering with new soil+afforestation " method mostly used is administered.
At least there is following shortcoming in above-mentioned prior art:
Cost is high, speed is slow, range of application is narrow, effectively can not solve the environmental problem that coal gangue hill pollution, leaching etc. cause in a short time.At present, in the quick Reclamation field of semi-arid wind-sand area coal gangue hill, a set of successfully simple supporting technology is not also had both at home and abroad.
Summary of the invention
The object of this invention is to provide a kind of quick, simple and direct, economical and practical, benefit lasting, and is applicable to the quick Reclamation method of semi-arid wind-sand area coal gangue hill of the quick Reclamation of semi-arid wind-sand area coal gangue hill.
The object of the invention is to be achieved through the following technical solutions:
The quick Reclamation method of semi-arid wind-sand area of the present invention coal gangue hill, comprises the following steps of carrying out successively: shaping is transformed; Pad soil covers sand; Collection rain bed surface is set; Set up sand-protecting barrier; Urge to fill with and cultivate or fill with grass combination and cultivation with grass; Reclaim management, prevent gangue resume combustion.
As seen from the above technical solution provided by the invention, the quick Reclamation method of the semi-arid wind-sand area coal gangue hill that the invention process provides, owing to comprising the following steps of carrying out successively: shaping is transformed; Pad soil covers sand; Collection rain bed surface is set; Set up sand-protecting barrier; Urge to fill with and cultivate or fill with grass combination and cultivation with grass; Reclaim management, prevent gangue resume combustion.Fast, simple and direct, economical and practical, benefit lasting, and be applicable to the quick Reclamation of semi-arid wind-sand area coal gangue hill.
Accompanying drawing explanation
Fig. 1 is that in the embodiment of the present invention, coal gangue hill shaping and pad soil cover the cross-sectional view after sand;
Fig. 2 is the cross-sectional view collecting rain bed surface in the embodiment of the present invention;
Fig. 3 is the planar structure schematic diagram in the embodiment of the present invention after the quick Reclamation of coal gangue hill.
In figure: 1, husky 50cm is covered on spoil top layer, 2, the native 15cm of barrow base pad, 3, rain bed surface is collected, 4, coal gangue hill, 5, salix monogolica or sand sagebrush (Artemisia filifolia) sand-protecting barrier, 6, long stalk almond, 7, Sabina vulgaris, 8, shrubby flase indigo, 9, pulse family vegetation (prairie milk vetch, alfalfa and daghestan sweet clover), 10, the trapezoidal low bank of earth between fields around collection rain bed surface.
Embodiment
To be described in further detail the embodiment of the present invention below.
The quick Reclamation method of semi-arid wind-sand area of the present invention coal gangue hill, its preferably embodiment be:
Comprise the following steps of carrying out successively:
Shaping is transformed; Pad soil covers sand; Collection rain bed surface is set; Set up sand-protecting barrier; Urge to fill with and cultivate or fill with grass combination and cultivation with grass; Reclaim management, prevent gangue resume combustion.
Described shaping transformation comprises:
To the compacting of Gangue platform, smooth and slope to reduce load, around platform, form the side slope of 1:1.5.
Described pad soil covers sand hill to be drawn together:
Husky 50cm is covered after the table top and side slope pad soil 15cm of whole good hillock platform.
The described collection rain bed surface that arranges comprises:
Pad soil the table top covering husky platform are renovated into the grid of several 50m × 50m, around grid, the low bank of earth between fields is set, described low bank of earth between fields top width is 30cm, highly for 30cm, the inside and outside side slope ratio of the low bank of earth between fields is 1:1, form collection rain bed surface low between surrounding senior middle school in grid, integrate the slope ratio of rain bed surface as 1:20.
Described sand-protecting barrier of setting up comprises:
Half hidden salix monogolica grid sand-protecting barrier or the sand sagebrush (Artemisia filifolia) sand-protecting barrier of 2m × 2m is set up in described collection rain bed surface and side slope.
Describedly to fill with and cultivation comprises so that grass is short:
Select and have certain husky raw, drought-enduring, antipollution, fast-growing and perennial leguminous forage prairie milk vetch, alfalfa and daghestan sweet clover carry out mixed seeding in spring after rain, ratio is prairie milk vetch 70%, alfalfa 15%, daghestan sweet clover 15%, and the amount of broadcasting is 0.75 thousand gram/acre.
Described filling grass combines and cultivation comprises:
Select and have the raw shrub of certain husky raw, drought-enduring, antipollution, fast-growing 2-3 long stalk almond, Sabina vulgaris and shrubby flase indigo, carry out Mixed forestation between strain in spring or autumn, seeding row spacing is 2m × 2m;
Root root-inducing powder process before planting, carry out according to " three bury two step on one carry seedling " technical key point when planting, add organic fertilizer in root system compact district in landfill process, after completing soil, plant pit surface is lower than collection rain bed surface 10-15cm, and interior formation of groove that the remaining soil dug out is put in nursery stock side blocks shelves.
Described management of reclaiming, prevent spoil resume combustion from comprising:
Carry out the preventing and controlling of Epidemic Disease of Forest; Improve gangue field drainage system; Cover husky fire extinguishing when barrow has cigarette to emerge in time, to avoid forest and catch fire and hillock avalanche.
The quick Reclamation method of semi-arid wind-sand area of the present invention coal gangue hill, quick, simple and direct, economical and practical, benefit lastingly, and is applicable to the quick Reclamation of semi-arid wind-sand area coal gangue hill.
Specific embodiment, as shown in Figure 1, Figure 2, Figure 3 shows:
Comprise the following steps successively:
(1) shaping transformation;
(2) pad soil and cover sand;
(3) collection rain bed surface is set;
(4) sand-protecting barrier is set up;
(5) fill with so that grass is short, fill with grass and combine and cultivation;
(5) to reclaim management, prevent gangue resume combustion;
Described coal gangue hill shaping transformation, its method is carry out comprehensively whole to the platform of hillock and side slope, and leveling makes real, and cuts down side slope, forms the side slope of 1:1.5, to reach stable side slope object.
Described pad soil covers sand, and its step, for covering husky 50cm to after hillock side slope and platform base pad soil 15cm, improves matrix to reach and adjusts fertile somatotrophic effect with water.
Described arranges collection rain bed surface, its step is the grid of the table top of compacting being renovated into several 50m × 50m, and around low bank of earth between fields top width is 30cm, highly is 30cm, and inside and outside side slope is than being 1:1, form several collection rain concave surfaces low between surrounding senior middle school, integrate rain domatic slope ratio as 1:20.
Described sets up sand-protecting barrier, and its step is in collection rain bed surface, set up half hidden salix monogolica grid sand-protecting barrier or the sand sagebrush (Artemisia filifolia) sand-protecting barrier of 2m × 2m with side slope, plays and checks winds and fixes drifting sand and base material improvement effect.
Described fills with and cultivation so that grass is short, its step is advisable to select and is had certain husky raw, drought-enduring, antipollution, fast-growing and perennial leguminous forage prairie milk vetch, alfalfa and daghestan sweet clover carry out mixed seeding in spring after rain, ratio is prairie milk vetch 70%, alfalfa 15%, daghestan sweet clover 15%, the amount of broadcasting is 0.75 thousand gram/acre, to reach fixed nitrogen phosphorization, the effect in improvement habitat.
Described filling grass combines and cultivation, and its step is advisable to select and is had the raw shrub of certain husky raw, drought-enduring, antipollution, fast-growing 2-3 long stalk almond, Sabina vulgaris and shrubby flase indigo, and carry out Mixed forestation between strain in spring or autumn, seeding row spacing is 2m × 2m.Root root-inducing powder process before planting, carry out according to " three bury two pearls one carries seedling " technical key point when planting, in situation of having ready conditions, organic fertilizer can be added in root system compact district in landfill process, after completing soil, plant pit surface is lower than collection rain bed surface 10-15cm, and interior formation of groove that the remaining soil dug out is put in nursery stock side blocks shelves.Construct constitutionally stable grass-shrub vegetation group, reach gather materials on the spot, cost-saving, reply immediately green, simple and economical and practical semi-arid wind-sand area coal gangue hill soon and to reclaim new model.
Described management of reclaiming, prevent spoil resume combustion step from being carry out the preventing and controlling of Epidemic Disease of Forest; Improve gangue field drainage system; Cover husky fire extinguishing when barrow has cigarette to emerge in time, to avoid forest and catch fire and hillock avalanche.
After quick Reclamation technology governance of the present invention, cover degree can reach 35%, 2-3 and enters animated period then, and average height reaches 60cm; Shrub mixed forest survival rate can reach 90%, and vegetation coverage reaches 52.5%, and the soil organic matter and available N, K and full P content improve 5%-10%.Effectively prevent and treat hillock dust, leaching pollution problem, reach the effect of beautifying the environment and purifying air.
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (5)
1. the quick Reclamation method of semi-arid wind-sand area coal gangue hill, is characterized in that, comprise the following steps of carrying out successively:
Shaping is transformed;
Pad soil covers sand;
Collection rain bed surface is set;
Set up sand-protecting barrier;
Urge to fill with and cultivate or fill with grass combination and cultivation with grass;
Reclaim management, prevent gangue resume combustion;
Described pad soil covers sand hill to be drawn together:
Husky 50cm is covered after the table top and side slope pad soil 15cm of whole good hillock platform;
The described collection rain bed surface that arranges comprises:
Pad soil the table top covering husky platform are renovated into the grid of several 50m × 50m, around grid, the low bank of earth between fields is set, described low bank of earth between fields top width is 30cm, highly for 30cm, the inside and outside side slope ratio of the low bank of earth between fields is 1:1, form collection rain bed surface low between surrounding senior middle school in grid, integrate the slope ratio of rain bed surface as 1:20;
Described sand-protecting barrier of setting up comprises:
Half hidden salix monogolica grid sand-protecting barrier or the sand sagebrush (Artemisia filifolia) sand-protecting barrier of 2m × 2m is set up in described collection rain bed surface and side slope.
2. the quick Reclamation method of semi-arid wind-sand area according to claim 1 coal gangue hill, is characterized in that, described shaping transformation comprises:
To the compacting of Gangue platform, smooth and slope to reduce load, around platform, form the side slope of 1:1.5.
3. the quick Reclamation method of semi-arid wind-sand area according to claim 1 coal gangue hill, is characterized in that, describedly to fill with and cultivation comprises so that grass is short:
Select and there is certain husky raw, drought-enduring, antipollution, fast-growing and perennial leguminous forage prairie milk vetch, alfalfa and daghestan sweet clover carry out mixed seeding in spring after rain, ratio is prairie milk vetch 70%, alfalfa 15%, daghestan sweet clover 15%, and the amount of broadcasting is 0.75 thousand gram/acre.
4. the quick Reclamation method of semi-arid wind-sand area according to claim 1 coal gangue hill, is characterized in that, described filling grass combines and cultivation comprises:
Select and have the raw shrub of certain husky raw, drought-enduring, antipollution, fast-growing 2-3 long stalk almond, Sabina vulgaris and shrubby flase indigo, carry out Mixed forestation between strain in spring or autumn, seeding row spacing is 2m × 2m;
Root root-inducing powder process before planting, carry out according to " three bury two step on one carry seedling " technical key point when planting, add organic fertilizer in root system compact district in landfill process, after completing soil, plant pit surface is lower than collection rain bed surface 10-15cm, and interior formation of groove that the remaining soil dug out is put in nursery stock side blocks shelves.
5. the quick Reclamation method of semi-arid wind-sand area according to claim 1 coal gangue hill, is characterized in that, described management of reclaiming, prevents spoil resume combustion from comprising:
Carry out the preventing and controlling of Epidemic Disease of Forest; Improve gangue field drainage system; Cover husky fire extinguishing when barrow has cigarette to emerge in time, to avoid forest and catch fire and hillock avalanche.
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| CN201310364794.5A CN103416129B (en) | 2013-08-20 | 2013-08-20 | The quick Reclamation method of semi-arid wind-sand area coal gangue hill |
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| CN103988684A (en) * | 2014-05-16 | 2014-08-20 | 永升建设集团有限公司 | Desert dry and semi-dry turf transplantation and re-laying method suitable for roadbed construction |
| CN105133565B (en) * | 2015-08-20 | 2017-03-22 | 赵国平 | Composite desertification control method for high-altitude gobi wind-blown sand region |
| CN106664867A (en) * | 2017-02-17 | 2017-05-17 | 西北师范大学 | Comprehensive control method for water and soil loss in loess plateau gully regions |
| RU2684236C1 (en) * | 2017-11-13 | 2019-04-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Красноярский государственный аграрный университет" | Method of recoating rock dumps |
| CN108338041A (en) * | 2017-12-30 | 2018-07-31 | 内蒙古上海庙矿业有限责任公司 | A kind of desert control method |
| CN110337855A (en) * | 2019-08-28 | 2019-10-18 | 中铁三局集团有限公司 | Sandy soil modification method |
| CN110710409B (en) * | 2019-09-29 | 2022-01-25 | 山西华阳集团新能股份有限公司 | Vegetation recovery method for acid coal gangue dump |
| CN113293750B (en) * | 2021-05-27 | 2022-11-04 | 甘肃省林业科学研究院 | Comprehensive ecological restoration method for moving dune |
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