CN108341705A - A kind of novel Mine ecology reclamation method and system - Google Patents
A kind of novel Mine ecology reclamation method and system Download PDFInfo
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- CN108341705A CN108341705A CN201810297522.0A CN201810297522A CN108341705A CN 108341705 A CN108341705 A CN 108341705A CN 201810297522 A CN201810297522 A CN 201810297522A CN 108341705 A CN108341705 A CN 108341705A
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05B—PHOSPHATIC FERTILISERS
- C05B7/00—Fertilisers based essentially on alkali or ammonium orthophosphates
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- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/10—Growth substrates; Culture media; Apparatus or methods therefor based on or containing inorganic material
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- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/23—Wood, e.g. wood chips or sawdust
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- 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
- A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
- A01G24/20—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material
- A01G24/22—Growth substrates; Culture media; Apparatus or methods therefor based on or containing natural organic material containing plant material
- A01G24/25—Dry fruit hulls or husks, e.g. chaff or coir
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G5/00—Fertilisers characterised by their form
- C05G5/40—Fertilisers incorporated into a matrix
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The present invention discloses a kind of novel Mine ecology reclamation method and system, belongs to mining area ecological environment recovery technique field.Novel Mine ecology reclamation method provided by the invention uses the matrix overburden soil that coconut palm chaff is reclaimed as the Mine ecology.Novel Mine ecology reclamation method provided by the invention, coconut palm chaff is applied in Abandoned Land of Mine base material improvement, substitution tables soil soverlay technique and can realize the recycling of waste.
Description
Technical field
The present invention relates to mining area ecological environment recovery technique fields, and in particular to a kind of novel Mine ecology reclamation method
And system.
Background technology
According to statistics, the whole nation adds up about 5,860,000 hm of land occupation because digging up mine2, Abandoned Land of Mine cumulative area is up to 2,880,000 hm2,
And it is annual still with about 4.67 ten thousand hm2Speed increase.The original ecosystem of Abandoned Land of Mine is destroyed, and it is broken to show topsoil
The ecological problems such as bad, fertility decline, poisonous and harmful substance content height.Therefore, mining area ecological environment reparation is that mining industry is sustainable
An essential task in development.And the matter of utmost importance for carrying out restoration of the ecosystem and reconstruction is to carry out the matrix of Mine Abandoned Land
Improvement.
Abandoned Land of Mine base material improvement technology includes mainly table soil soverlay technique, physical chemistry base material improvement technology, biology
Improving technology, solid waste artificial substratum improving technology.Wherein there are costly, management is inconvenient, technology for table soil soverlay technique
Duration is poor, destroys the problems such as cultivated land resource；There are when manpower and materials input height, unmanageable, lasts for physical chemistry technology
Between it is short the problems such as；There are the slow problems of effect for biotechnology；Solid waste artificial substratum improving technology then can effectively avoid with
Upper problem, and realize the efficient improvement on discarded ground, but because existing waste improvement matrix (such as sludge, flyash) is self-contained heavy
The substances such as metal are also easy to produce new environmental problem, it is difficult to realize the Green Sustainable of discarded ground base material improvement.
In recent years, as people are to the extensive concern of aluminium manufacturer's waste red mud, it is multiple that red mud is increasingly used in mine
It cultivates.Chinese patent literature CN1548251A discloses a kind of topsoil soil and preparation method thereof making mine reclamation of red mud, should
Art methods add stalk, the dreg liquid of sugar industry makees dispensing, the use of red mud and dispensing using red mud as matrix in red mud
Amount is ranging from:Red mud 50%-85%, dispensing 15%-50%；Total moisture is in 30%-60% in holding mixture；Batch mixing
Temperature is controlled less than 100 DEG C；Mixture can obtain dredging rich in minerals and organic matter, structure through closed, fermentation, decomposed
The topsoil of reclaiming of pine, pH value in 5.5-8.5 is native.This method raw material sources are wide, simple production process, at low cost, can not only solve
The certainly pollution problem of red mud, and high-quality topsoil soil source of reclaiming can be provided for mine, realize waste utilization.So due to red mud
Containing the substances such as fluoride and radiological predication fallout plot secondary element, the prior art presence cannot be removed effectively fluoride and radioactivity is micro
The harmful substances such as element, made not environmentally protective enough the defect of topsoil soil of reclaiming.
Invention content
Therefore, the technical problem to be solved in the present invention is to overcome the made topsoil soil of reclaiming of the prior art not environmentally protective enough
Defect, to provide a kind of novel Mine ecology reclamation method and system.
For this reason, the present invention provides the following technical solutions：
A kind of matrix overburden soil that Mine ecology is reclaimed, including coconut palm chaff, the coconut palm chaff is thin coconut palm chaff, coconut husk and/or bark.
Also include nutrient solution, the nutrient solution is selected from potassium nitrate, calcium nitrate, ammonium dihydrogen phosphate, dipotassium hydrogen phosphate, sulfuric acid
Potassium, magnesium sulfate and micro- fertilizer.
The weight of the nutrient solution each component is：500-640 parts of potassium nitrate, 640-780 parts of calcium nitrate, di(2-ethylhexyl)phosphate
100-150 parts of hydrogen ammonium, 0-60 parts of dipotassium hydrogen phosphate, 20-110 parts of potassium sulfate, 200-300 parts of magnesium sulfate, micro- 20-30 parts of fertilizer；
The weight proportion of the raw material components of micro- fertilizer is：20-40 parts of chelated iron, 2.5-3.5 parts of boric acid, manganese sulfate 2-3
Part, 0.1-0.3 parts of zinc sulfate, 0.01-0.1 parts of copper sulphate, 0.01-0.1 parts of ammonium molybdate.
A kind of novel Mine ecology reclamation method, the matrix overburden soil reclaimed as the Mine ecology using coconut palm chaff.
The Mine ecology reclamation method, specifically includes following steps：
(1) removing sodium processing coconut palm chaff and coconut husk；
(2) it is the thin coconut palm chaffs of 1-2mm the processed coconut palm chaff of removing sodium to be crushed to grain size, by the processed coconut husk of removing sodium and/or
It is 1-2cm that bark after drying, which is crushed to grain size,；
(3) coconut palm chaff block matrix is made in compression after thin coconut palm chaff and coconut husk (or bark) mixing；
(4) coconut palm chaff block matrix is covered in Abandoned Land of Mine surface；
(5) it is the coconut palm chaff block nutrient solution covered；
The removing sodium is handled：Coconut palm chaff is put into container, using clear water soaking flushing 1-3 hours, is dried in the air after flushing
It shines, until water content is less than 5%-10%.
Thin coconut palm chaff and and/or bark in mass ratio 8 in step (2):1-6:1；The length and width of the coconut palm chaff block are 40cm-
The depth-width ratio of 60cm, the coconut palm chaff block are 9-12:40-60, the coconut palm chaff block density are 0.4g/cm3。
When step (3) covers, the spacing between coconut palm chaff block is the high 1/4-5/9 of the coconut palm chaff block；Nutrient solution in step (4)
Irrigation volume is controlled in 1.0L/m2-1.3L/m2；The nutrient solution be selected from potassium nitrate, calcium nitrate, ammonium dihydrogen phosphate, dipotassium hydrogen phosphate,
Potassium sulfate, magnesium sulfate and micro- fertilizer.
The weight of the nutrient solution each component is：500-640 parts of potassium nitrate, 640-780 parts of calcium nitrate, di(2-ethylhexyl)phosphate
100-150 parts of hydrogen ammonium, 0-60 parts of dipotassium hydrogen phosphate, 20-110 parts of potassium sulfate, 200-300 parts of magnesium sulfate, micro- 20-30 parts of fertilizer.
The weight proportion of the raw material components of micro- fertilizer is：20-40 parts of chelated iron, 2.5-3.5 parts of boric acid, manganese sulfate 2-3
Part, 0.1-0.3 parts of zinc sulfate, 0.01-0.1 parts of copper sulphate, 0.01-0.1 parts of ammonium molybdate.
A kind of novel Mine ecology is reclaimed system, the matrix overburden soil reclaimed as the Mine ecology using coconut palm chaff；
The system is covered in mining area surface by coconut palm chaff block matrix and is formed,
The thin coconut palm chaff and and/or bark in mass ratio 8:1-6:1；The length and width of the coconut palm chaff block are 40cm-60cm, institute
The depth-width ratio for stating coconut palm chaff block is 9-12:40-60；The coconut palm chaff block matrix be the thin coconut palm chaff crossed through removing sodium-pulverization process with and/or
It is suppressed after bark mixing, coconut palm chaff block density is 0.4g/cm after compression3.The Integration of Water into Fertilizer is used to cover neatly
Coconut palm chaff block nutrient solution, nutrition liquid irrigation amount are controlled in 1.0L/m2-1.3L/m2Between, potassium nitrate in nutrient solution, calcium nitrate,
Ammonium dihydrogen phosphate, dipotassium hydrogen phosphate, potassium sulfate, magnesium sulfate and micro- fertile content be respectively 500-640mg/L, 640-780mg/L,
100-150mg/L, 0-60mg/L, 20-110mg/L, 200-300mg/L and 20-30mg/L.Nutrient solution is planted after pouring
It is reclaimed or arable farming, and aperiodically carries out the pouring of nutrient solution according to vegetation type.
Coconut palm chaff is coconut deep processing byproduct, belongs to a kind of trade waste.Coconut palm chaff physicochemical property is similar to peat, does not take
Band poisonous and harmful substance and plurality of heavy metal substance, rich in a great number of elements such as K, pH value and cation exchange capacity (CEC) are suitable, have compared with
Strong retain water and nutrients ability, can realize the plantation of plant.In horticultural gardening, coconut palm chaff is considered the optimal cultivation of cultivation effect
One of matrix.
Technical solution of the present invention has the following advantages that：
1. the matrix overburden soil that Mine ecology provided by the invention is reclaimed, including coconut palm chaff, do not carry poisonous and harmful substance and
Plurality of heavy metal substance, rich in a great number of elements such as K, pH value and cation exchange capacity (CEC) are suitable, have stronger retain water and nutrients ability,
So as to realize the plantation of plant.
2. novel Mine ecology reclamation method provided by the invention, coconut palm chaff is applied in Abandoned Land of Mine base material improvement
In, substitution tables soil soverlay technique and it can realize the recycling of waste.
3. novel Mine ecology reclamation method provided by the invention, substitution tables soil covers in Abandoned Land of Mine base material improvement
Lid technology protects China's cultivated land resource.
4. novel Mine ecology reclamation method provided by the invention improves Abandoned Land of Mine utilization ratio.
5. novel Mine ecology reclamation method provided by the invention realizes utilization of waste as resource.
Specific implementation mode
It is to preferably further understand the present invention to provide following embodiments, it is not limited to the best embodiment party
Formula is not construed as limiting present disclosure and protection domain, anyone under the inspiration of the present invention or by the present invention and its
The feature of his prior art be combined and obtain it is any with the present invention it is same or similar as product, all fall within the present invention
Within protection domain.
Specific experiment step or condition person are not specified in embodiment, according to routine experiment described in document in the art
The operation of step or condition can carry out.Reagents or instruments used without specified manufacturer, being can be by acquisition purchased in market
Conventional reagent product.
The composition and weight of the micro- fertilizer of 1 embodiment 1-4 of table be：
Embodiment 1
There are more coombe and low-lying lands on certain mine periphery, are given birth to coombe and low-lying land by the way of coconut palm chaff cultivation
State is reclaimed, and is included the following steps：
(1) coconut palm chaff pre-treatment
Because coconut growth by the sea, coconut palm chaff itself Na contents are higher, coconut palm chaff using preceding need carry out removing sodium processing.By coconut palm chaff
It is put into container, using clear water soaking flushing 2 hours, is dried after flushing.After the wastewater collection processing that flushing process generates
Continue cycling through utilization；
(2) coconut palm chaff crushes
The processed coconut palm chaff of removing sodium is crushed to the thin coconut palm chaff that grain size is 2mm, the processed coconut husk of removing sodium is crushed to grain
Diameter is 1.5cm；
(3) preparation of coconut palm chaff matrix
To increase coconut palm chaff gas permeability, by the thin coconut palm chaff and coconut husk (or bark) in mass ratio 7 after crushing:1 mixing.Mixing
Coconut palm chaff block is made in compression afterwards, and coconut palm chaff block specifications are high 10cm, and length and width are 50cm.
(4) coconut palm chaff matrix covers
By mining collapse area, coombe, low-lying land it is smooth after, coconut palm chaff matrix is covered into its surface.When covering, between coconut palm chaff block
Keep the spacing of 4cm.
(5) coconut palm chaff matrix nutrient solution
Use the Integration of Water into Fertilizer for the neat coconut palm chaff block nutrient solution of covering, the control of nutrition liquid irrigation amount exists
1.2L/m2, potassium nitrate, calcium nitrate, ammonium dihydrogen phosphate, dipotassium hydrogen phosphate, potassium sulfate, magnesium sulfate and micro- fertile content point in nutrient solution
It Wei not 640mg/L, 780mg/L, 138mg/L, 60mg/L, 105mg/L, 300mg/L and 25mg/L.It is laggard that nutrient solution pours end
Row tomato cultivation.
The coconut palm chaff cultivation reclamation method that the present embodiment is carried out not only reduces table soil area coverage, and arable land is protected to provide
Source improves Abandoned Land of Mine utilization ratio, also achieves the recycling of coconut palm chaff waste.Meanwhile under the Reclamation Modes
Tomato yield reaches 10kg/m2.It can be seen that the Reclamation Modes have good economy and environmental benefit.
Embodiment 2
There are more coombe and low-lying lands on certain mine periphery, are given birth to coombe and low-lying land by the way of coconut palm chaff cultivation
State is reclaimed, and is included the following steps：
(1) coconut palm chaff pre-treatment
Because coconut growth by the sea, coconut palm chaff itself Na contents are higher, coconut palm chaff using preceding need carry out removing sodium processing.By coconut palm chaff
It is put into container, using clear water soaking flushing 2 hours, is dried after flushing.After the wastewater collection processing that flushing process generates
Continue cycling through utilization；
(2) coconut palm chaff crushes
The processed coconut palm chaff of removing sodium is crushed to the thin coconut palm chaff that grain size is 1mm, by the processed coconut husk of removing sodium or after air-drying
Bark be crushed to grain size be 2cm；
(3) preparation of coconut palm chaff matrix
To increase coconut palm chaff gas permeability, the bark in mass ratio 8 by the thin coconut palm chaff that crushed and coconut husk and after air-drying:1 is mixed
It is even.Coconut palm chaff block is made in compression after mixing, and coconut palm chaff block specifications are high 9cm, and length and width are 60cm.
(4) coconut palm chaff matrix covers
By mining collapse area, coombe, low-lying land it is smooth after, coconut palm chaff matrix is covered into its surface.When covering, between coconut palm chaff block
Keep the spacing of 5cm.
(5) coconut palm chaff matrix nutrient solution
Use the Integration of Water into Fertilizer for the neat coconut palm chaff block nutrient solution of covering, the control of nutrition liquid irrigation amount exists
1.3L/m2Between, potassium nitrate, calcium nitrate, ammonium dihydrogen phosphate, dipotassium hydrogen phosphate, potassium sulfate, magnesium sulfate and micro- fertilizer contain in nutrient solution
Amount is respectively 606mg/L, 680mg/L, 100mg/L, 50mg/L, 60mg/L, 250mg/L and 20mg/L.Nutrient solution pouring terminates
After carry out cucumber cultivation.
The coconut palm chaff cultivation reclamation method that the present embodiment is carried out not only reduces table soil area coverage, and arable land is protected to provide
Source improves Abandoned Land of Mine utilization ratio, also achieves the recycling of coconut palm chaff waste.Meanwhile under the Reclamation Modes
Cucumber yield reaches 15kg/m2.It can be seen that the Reclamation Modes have good economy and environmental benefit.
Embodiment 3
There are more coombe and low-lying lands on certain mine periphery, are given birth to coombe and low-lying land by the way of coconut palm chaff cultivation
State is reclaimed, and is included the following steps：
(1) coconut palm chaff pre-treatment
Because coconut growth by the sea, coconut palm chaff itself Na contents are higher, coconut palm chaff using preceding need carry out removing sodium processing.By coconut palm chaff
It is put into container, using clear water soaking flushing 2 hours, is dried after flushing.After the wastewater collection processing that flushing process generates
Continue cycling through utilization；
(2) coconut palm chaff crushes
The processed coconut palm chaff of removing sodium is crushed to the thin coconut palm chaff that grain size is 2mm, the bark after air-drying, which is crushed to grain size, is
2cm；
(3) preparation of coconut palm chaff matrix
To increase coconut palm chaff gas permeability, by the thin coconut palm chaff that crushed and bark by quality 7:1 mixing.Compression is made after mixing
Coconut palm chaff block, coconut palm chaff block specifications are high 11cm, and length and width are 40cm.
(4) coconut palm chaff matrix covers
By mining collapse area, coombe, low-lying land it is smooth after, coconut palm chaff matrix is covered into its surface.When covering, between coconut palm chaff block
Keep the spacing of 3cm.
(5) coconut palm chaff matrix nutrient solution
Use the Integration of Water into Fertilizer for the neat coconut palm chaff block nutrient solution of covering, the control of nutrition liquid irrigation amount exists
1.0L/m2Between, potassium nitrate, calcium nitrate, ammonium dihydrogen phosphate, potassium sulfate, magnesium sulfate and micro- fertile content are respectively in nutrient solution
530mg/L, 708mg/L, 144mg/L, 20mg/L, 246mg/L and 20mg/L.Nutrient solution carries out flower culture after pouring.
The coconut palm chaff cultivation reclamation method that the present embodiment is carried out not only reduces table soil area coverage, and arable land is protected to provide
Source improves Abandoned Land of Mine utilization ratio, also achieves the recycling of coconut palm chaff waste.Meanwhile under the Reclamation Modes
Flowers grow fine.It can be seen that the Reclamation Modes have good economy and environmental benefit.
Embodiment 4
There are more coombe and low-lying lands on certain mine periphery, are given birth to coombe and low-lying land by the way of coconut palm chaff cultivation
State is reclaimed, and is included the following steps：
(1) coconut palm chaff pre-treatment
Because coconut growth by the sea, coconut palm chaff itself Na contents are higher, coconut palm chaff using preceding need carry out removing sodium processing.By coconut palm chaff
It is put into container, using clear water soaking flushing 2 hours, is dried after flushing.After the wastewater collection processing that flushing process generates
Continue cycling through utilization；
(2) coconut palm chaff crushes
The processed coconut palm chaff of removing sodium is crushed to the thin coconut palm chaff that grain size is 2mm, by the processed coconut husk of removing sodium and after air-drying
Bark be crushed to grain size be 1cm；
(3) preparation of coconut palm chaff matrix
To increase coconut palm chaff gas permeability, by the thin coconut palm chaff that crushed and coconut husk and bark in mass ratio 6:1 mixing.After mixing
Coconut palm chaff block is made in compression, and coconut palm chaff block specifications are high 12cm, and length and width are 50cm.
(4) coconut palm chaff matrix covers
By mining collapse area, coombe, low-lying land it is smooth after, coconut palm chaff matrix is covered into its surface.When covering, between coconut palm chaff block
Keep the spacing of 3.5cm.
(5) coconut palm chaff matrix nutrient solution
Use the Integration of Water into Fertilizer for the neat coconut palm chaff block nutrient solution of covering, the control of nutrition liquid irrigation amount exists
1.0L/m2Between, potassium nitrate, calcium nitrate, ammonium dihydrogen phosphate, dipotassium hydrogen phosphate, potassium sulfate, magnesium sulfate and micro- fertilizer contain in nutrient solution
Amount is respectively 500mg/L, 640mg/L, 150mg/L, 60mg/L, 110mg/L, 200mg/L and 30mg/L.Nutrient solution pouring terminates
After carry out pepper cultivation.
The coconut palm chaff cultivation reclamation method that the present embodiment is carried out not only reduces table soil area coverage, and arable land is protected to provide
Source improves Abandoned Land of Mine utilization ratio, also achieves the recycling of coconut palm chaff waste.Meanwhile under the Reclamation Modes
The capsicum yield that grows fine reaches 5kg/m2.It can be seen that the Reclamation Modes have good economy and environmental benefit.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (10)
1. a kind of matrix overburden soil that Mine ecology is reclaimed, which is characterized in that include coconut palm chaff, the coconut palm chaff refers to coconut husk, and/or tree
Skin and coconut palm chaff.
2. the matrix overburden soil that Mine ecology according to claim 1 is reclaimed, which is characterized in that also include nutrient solution, institute
It states nutrient solution and is selected from potassium nitrate, calcium nitrate, ammonium dihydrogen phosphate, dipotassium hydrogen phosphate, potassium sulfate, magnesium sulfate and micro- fertilizer.
3. the matrix overburden soil that Mine ecology according to claim 1 is reclaimed, which is characterized in that the nutrient solution each component
Weight be：500-640 parts of potassium nitrate, 640-780 parts of calcium nitrate, 100-150 parts of ammonium dihydrogen phosphate, dipotassium hydrogen phosphate
0-60 parts, 20-110 parts of potassium sulfate, 200-300 parts of magnesium sulfate, micro- 20-30 parts of fertilizer；
The weight proportion of the raw material components of micro- fertilizer is：20-40 parts of chelated iron, 2.5-3.5 parts of boric acid, 2-3 parts of manganese sulfate, sulphur
Sour zinc 0.1-0.3 parts, 0.01-0.1 parts of copper sulphate, 0.01-0.1 parts of ammonium molybdate.
4. a kind of novel Mine ecology reclamation method, which is characterized in that the base reclaimed as the Mine ecology using coconut palm chaff
Matter overburden soil.
5. Mine ecology reclamation method according to claim 4, which is characterized in that specifically include following steps：
(1) removing sodium processing coconut palm chaff and coconut husk；The removing sodium is handled：Coconut palm chaff is put into container, clear water soaking flushing 1-3 is used
Hour, it is dried after flushing, until water content is less than 5%-10%；
(2) the processed coconut palm chaff of removing sodium is crushed to the thin coconut palm chaff that grain size is 1-2mm, by the processed coconut husk of removing sodium or after drying
Bark be crushed to grain size be 1-2cm；
(3) coconut palm chaff block matrix is made in compression after thin coconut palm chaff and coconut husk and/or bark mixing；
(4) coconut palm chaff block matrix is covered in Abandoned Land of Mine surface；
(5) it is the coconut palm chaff block nutrient solution covered.
6. Mine ecology reclamation method according to claim 5, which is characterized in that in step (2) thin coconut palm chaff and coconut husk and/
Or bark in mass ratio 8:1-6:1；The length and width of the coconut palm chaff block are 40cm-60cm, and the depth-width ratio of the coconut palm chaff block is 9-12:
40-60；The coconut palm chaff block density is 0.4g/cm3。
7. Mine ecology reclamation method according to claim 6, which is characterized in that when step (3) covers, between coconut palm chaff block
Spacing be the high 1/4-5/9 of the coconut palm chaff block；The control of nutrition liquid irrigation amount is in 1.0L/m in step (4)2-1.3L/m2；It is described
Nutrient solution is selected from potassium nitrate, calcium nitrate, ammonium dihydrogen phosphate, dipotassium hydrogen phosphate, potassium sulfate, magnesium sulfate and micro- fertilizer.
8. Mine ecology reclamation method according to claim 7, which is characterized in that the parts by weight of the nutrient solution each component
Proportioning is：500-640 parts of potassium nitrate, 640-780 parts of calcium nitrate, 100-150 parts of ammonium dihydrogen phosphate, 0-60 parts of dipotassium hydrogen phosphate,
20-110 parts of potassium sulfate, 200-300 parts of magnesium sulfate, micro- 20-30 parts of fertilizer.
9. Mine ecology reclamation method according to claim 8, which is characterized in that the weight of the raw material components of micro- fertilizer
Proportioning is：20-40 parts of chelated iron, 2.5-3.5 parts of boric acid, 2-3 parts of manganese sulfate, 0.1-0.3 parts of zinc sulfate, copper sulphate 0.01-0.1
Part, 0.01-0.1 parts of ammonium molybdate.
A kind of system 10. novel Mine ecology is reclaimed, which is characterized in that the base reclaimed as the Mine ecology using coconut palm chaff
Matter overburden soil；The system is covered in mining area surface by coconut palm chaff block matrix and is formed, the thin coconut palm chaff with and/or bark press quality
Than 8:1-6:1；The length and width of the coconut palm chaff block are 40cm-60cm, and the depth-width ratio of the coconut palm chaff block is 9-12:40-60；The coconut palm
Chaff block matrix be through the processed thin coconut palm chaff of removing sodium with and/or bark mixing after suppress.
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