CN103416129A - Rapid reclamation control method for coal gangue dumps in semiarid windy desert area - Google Patents
Rapid reclamation control method for coal gangue dumps in semiarid windy desert area Download PDFInfo
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- CN103416129A CN103416129A CN2013103647945A CN201310364794A CN103416129A CN 103416129 A CN103416129 A CN 103416129A CN 2013103647945 A CN2013103647945 A CN 2013103647945A CN 201310364794 A CN201310364794 A CN 201310364794A CN 103416129 A CN103416129 A CN 103416129A
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- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
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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
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Abstract
The invention discloses a rapid reclamation control method for coal gangue dumps in a semiarid windy desert area. The rapid reclamation control method comprises the following successive steps of performing land shaping and reclamation; filling soil and spreading sand; installing rainwater harvesting beds; building a sand barrier; promoting shrubbery by grass and cultivating or combining the shrubbery and the grass and cultivating; managing the reclamation to prevent coal gangue from reburning. The rapid reclamation control method for the coal gangue dumps in the semiarid windy desert area is rapid, simple and direct, economic and practical, is lasting in benefit, and is suitable for rapid reclamation control of the coal gangue dumps in the semiarid windy desert area.
Description
Technical field
The present invention relates to a kind of coal gangue hill Reclamation technology, relate in particular to a kind of quick Reclamation method of semi-arid wind-sand area coal gangue hill.
Background technology
The Jin, Shaanxi and Inner Mongolia that Shenfu coalfield is located in the Mu Us Shadi edge border on district, are cross-centennial super-huge coal mining, development area that country determines.The Dan Gai district is located in ecological environment frailty district and the serious development zone of desertification of China, all show strong transition feature on the factors such as weather, soil, vegetation, particularly be accompanied by the strength increase of mankind's activity, ecotope is very responsive to the response of mining, especially mine and produce adjunct--the gangue discarded object is occupied a large amount of land resources, Proterozoic hypergene state system is destroyed.Show that according to the monitoring of Shaanxi Province sand control research institute the Shen Fu mining area has now formed 10hm
2Nearly more than 400 of above hillocks, coal gangue hill have have a very wide distribution, area is large, appropriation of land resource, contaminated environment and the large problem of difficulty of governance.
The coal gangue hill that semi-arid wind-sand area forms is the site type that a kind of land reclamation is very difficult, and conventional Reclamation is difficult to successfully, and in prior art, " cover+afforestation of soil moved in to improve the original " method of mostly using is administered.
At least there is following shortcoming in above-mentioned prior art:
Cost is high, speed is slow, range of application is narrow, can not effectively solve in a short time the environmental problem that coal gangue hill pollution, leaching etc. cause.At present, in the quick Reclamation of semi-arid wind-sand area coal gangue hill field, also there is no a set of successful simple supporting technology both at home and abroad.
Summary of the invention
The purpose of this invention is to provide a kind of quick, simple and direct, economical and practical, benefit is lasting, and the quick Reclamation method of the semi-arid wind-sand area coal gangue hill of the quick Reclamation of applicable semi-arid wind-sand area coal gangue hill.
The objective of the invention is to be achieved through the following technical solutions:
The quick Reclamation method of semi-arid wind-sand area coal gangue hill of the present invention comprises the following steps of carrying out successively: the shaping transformation; Pad soil covers sand; Collection rain bed surface is set; Set up sand-protecting barrier; With grass, urge to fill with and cultivation or the combination of filling grass and cultivation; Reclaim management, prevent the 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: the shaping transformation; Pad soil covers sand; Collection rain bed surface is set; Set up sand-protecting barrier; With grass, urge to fill with and cultivation or the combination of filling grass and cultivation; Reclaim management, prevent the gangue resume combustion.Fast, simple and direct, economical and practical, benefit is lasting, and the quick Reclamation of applicable semi-arid wind-sand area coal gangue hill.
The 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;
The cross-sectional view that Fig. 2 is collection rain bed surface in the embodiment of the present invention;
Fig. 3 is the planar structure schematic diagram after the quick Reclamation of coal gangue hill in the embodiment of the present invention.
In figure: 1, husky 50cm is covered on the spoil top layer, 2, the native 15cm of barrow base pad, 3, collection rain bed surface, 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
Below will be described in further detail the embodiment of the present invention.
The quick Reclamation method of semi-arid wind-sand area coal gangue hill of the present invention, its preferably embodiment be:
Comprise the following steps of carrying out successively:
The shaping transformation; Pad soil covers sand; Collection rain bed surface is set; Set up sand-protecting barrier; With grass, urge to fill with and cultivation or the combination of filling grass and cultivation; Reclaim management, prevent the gangue resume combustion.
Described shaping transformation comprises:
To Gangue platform compacting, smooth and cut the slope off-load, form the side slope of 1:1.5 around platform.
Described pad soil covers sand hill to be drawn together:
Cover husky 50cm after the table top of whole good hillock platform and side slope pad soil 15cm.
The described collection rain bed surface that arranges comprises:
By pad soil and cover the grid that the table top of husky platform is renovated into several 50m * 50m, the low bank of earth between fields is set around grid, 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 low collection rain bed surface between surrounding senior middle school in grid, integrate the slope ratio of rain bed surface as 1:20.
The described sand-protecting barrier of setting up comprises:
Set up half hidden salix monogolica grid sand-protecting barrier or the sand sagebrush (Artemisia filifolia) sand-protecting barrier of 2m * 2m in described collection rain bed surface and side slope.
Describedly so that grass is short, fill with and cultivation comprises:
Select have that certain sand is living, 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 g/acre.
The combination of described filling grass and cultivation comprise:
Select have that certain sand is living, drought-enduring, the long stalk of the living shrub of 2-3 almond, Sabina vulgaris and the shrubby flase indigo of antipollution, fast-growing, in spring or autumn, carry out mixedly between strain handing over afforestation, seeding row spacing is 2m * 2m;
The front root of planting will be processed with root-inducing powder, while planting, according to " three bury two step on one carry seedling " technical key point, carry out, add organic fertilizer in the root system compact district in the landfill process, complete the rear plant pit of soil surface lower than collection rain bed surface 10-15cm, the remaining soil dug out is put in interior formation of groove of nursery stock one side and blocks shelves.
The described management of reclaiming, prevent that the spoil resume combustion from comprising:
Carry out the preventing and controlling of Epidemic Disease of Forest; Improve gangue field drainage system; Cover in time husky fire extinguishing when barrow has cigarette to emerge, to avoid forest and catch fire and the hillock avalanche.
The quick Reclamation method of semi-arid wind-sand area coal gangue hill of the present invention, quick, simple and direct, economical and practical, benefit is lasting, and the quick Reclamation of applicable 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 covers sand;
(3) collection rain bed surface is set;
(4) set up sand-protecting barrier;
(5) fill with so that grass is short, fill with grass combination and cultivation;
(5) management of reclaiming, prevent the gangue resume combustion;
Described coal gangue hill shaping transformation, its method is that the platform of hillock and side slope are carried out to comprehensive whole ground, leveling makes real, and side slope is cut down, and forms the side slope of 1:1.5, to reach the stable side slope purpose.
Described pad soil covers sand, and its step, for to after hillock side slope and platform base pad soil 15cm, covering husky 50cm, improves matrix and adjusts fertile somatotrophic effect with water to reach.
The described collection rain bed surface that arranges, its step is grid that the table top of compacting is renovated into to several 50m * 50m, and low bank of earth between fields top width is 30cm, highly is 30cm on every side, and inside and outside side slope is than being 1:1, form several collection rain concave surfaces low between surrounding senior middle school, integrate the domatic slope of rain ratio as 1:20.
The described sand-protecting barrier of setting up, its step, for 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 in collection rain bed surface, plays and checks winds and fixes drifting sand and the base material improvement effect.
Described with the short filling of grass and cultivation, its step be advisable select have that certain sand is living, 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 g/acre, to reach the fixed nitrogen phosphorization, the effect in improvement habitat.
Described filling grass in conjunction with and cultivation, its step be advisable select have that certain sand is livings, drought-enduring, the long stalk of the livings shrub of 2-3 almond, Sabina vulgaris and the shrubby flase indigo of antipollution, fast-growing, carry out between strain mixing friendship in spring or autumn and afforest, seeding row spacing is 2m * 2m.The front root of planting will be processed with root-inducing powder, while planting, according to " three bury two pearls one carries seedling " technical key point, carry out, in the situation of having ready conditions, can add organic fertilizer in the root system compact district in the landfill process, after completing soil, the plant pit surface is lower than collection rain bed surface 10-15cm, and the remaining soil dug out is put in interior formation of groove of nursery stock one side and blocks shelves.Built the careless vegetational type of constitutionally stable filling, reached gather materials on the spot, cost-saving, reply immediately green, the simple and economical and practical semi-arid wind-sand area coal gangue hill new model of reclaiming soon.
The described management of reclaiming, prevent that spoil resume combustion step from being to carry out the preventing and controlling of Epidemic Disease of Forest; Improve gangue field drainage system; Cover in time husky fire extinguishing when barrow has cigarette to emerge, to avoid forest and catch fire and the hillock avalanche.
After quick Reclamation technology governance of the present invention then cover degree can reach 35%, 2-3 and enter animated period, 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, reached the effect of beautifying the environment and purifying air.
The above; be only the present invention's embodiment preferably, but protection scope of the present invention is not limited to this, anyly is familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in 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 (8)
1. the quick Reclamation method of semi-arid wind-sand area coal gangue hill, is characterized in that, comprises the following steps of carrying out successively:
The shaping transformation;
Pad soil covers sand;
Collection rain bed surface is set;
Set up sand-protecting barrier;
With grass, urge to fill with and cultivation or the combination of filling grass and cultivation;
Reclaim management, prevent the gangue resume combustion.
2. the quick Reclamation method of semi-arid wind-sand area coal gangue hill according to claim 1, is characterized in that, described shaping transformation comprises:
To Gangue platform compacting, smooth and cut the slope off-load, form the side slope of 1:1.5 around platform.
3. the quick Reclamation method of semi-arid wind-sand area coal gangue hill according to claim 1, is characterized in that, described pad soil covers sand hill to be drawn together:
Cover husky 50cm after the table top of whole good hillock platform and side slope pad soil 15cm.
4. the quick Reclamation method of semi-arid wind-sand area coal gangue hill according to claim 1, is characterized in that, the described collection rain bed surface that arranges comprises:
By pad soil and cover the grid that the table top of husky platform is renovated into several 50m * 50m, the low bank of earth between fields is set around grid, 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 low collection rain bed surface between surrounding senior middle school in grid, integrate the slope ratio of rain bed surface as 1:20.
5. the quick Reclamation method of semi-arid wind-sand area coal gangue hill according to claim 1, is characterized in that, the described sand-protecting barrier of setting up comprises:
Set up half hidden salix monogolica grid sand-protecting barrier or the sand sagebrush (Artemisia filifolia) sand-protecting barrier of 2m * 2m in described collection rain bed surface and side slope.
6. the quick Reclamation method of semi-arid wind-sand area coal gangue hill according to claim 1, is characterized in that, describedly so that grass is short, fills with and cultivation comprises:
Select have that certain sand is living, 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 g/acre.
7. the quick Reclamation method of semi-arid wind-sand area coal gangue hill according to claim 1, is characterized in that, the combination of described filling grass and cultivation comprise:
Select have that certain sand is living, drought-enduring, the long stalk of the living shrub of 2-3 almond, Sabina vulgaris and the shrubby flase indigo of antipollution, fast-growing, in spring or autumn, carry out mixedly between strain handing over afforestation, seeding row spacing is 2m * 2m;
The front root of planting will be processed with root-inducing powder, while planting, according to " three bury two step on one carry seedling " technical key point, carry out, add organic fertilizer in the root system compact district in the landfill process, complete the rear plant pit of soil surface lower than collection rain bed surface 10-15cm, the remaining soil dug out is put in interior formation of groove of nursery stock one side and blocks shelves.
8. the quick Reclamation method of semi-arid wind-sand area coal gangue hill according to claim 1, is characterized in that, the described management of reclaiming, prevents that the spoil resume combustion from comprising:
Carry out the preventing and controlling of Epidemic Disease of Forest; Improve gangue field drainage system; Cover in time husky fire extinguishing when barrow has cigarette to emerge, to avoid forest and catch fire and the hillock avalanche.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN105133565A (en) * | 2015-08-20 | 2015-12-09 | 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 |
| 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 |
| RU2684236C1 (en) * | 2017-11-13 | 2019-04-04 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Красноярский государственный аграрный университет" | Method of recoating rock dumps |
| CN110337855A (en) * | 2019-08-28 | 2019-10-18 | 中铁三局集团有限公司 | Sandy soil modification method |
| CN110710409A (en) * | 2019-09-29 | 2020-01-21 | 阳泉煤业（集团）股份有限公司 | Vegetation recovery method for acid coal gangue dump |
| CN113293750A (en) * | 2021-05-27 | 2021-08-24 | 甘肃省林业科学研究院 | Comprehensive ecological restoration method for moving dune |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105133565A (en) * | 2015-08-20 | 2015-12-09 | 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 |
| CN110710409A (en) * | 2019-09-29 | 2020-01-21 | 阳泉煤业（集团）股份有限公司 | Vegetation recovery method for acid coal gangue dump |
| 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 |
| CN113293750A (en) * | 2021-05-27 | 2021-08-24 | 甘肃省林业科学研究院 | Comprehensive ecological restoration method for moving dune |
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