CN110498716A - A kind of limestone mine stone pit earth's surface residue sandy loam and preparation method thereof - Google Patents
A kind of limestone mine stone pit earth's surface residue sandy loam and preparation method thereof Download PDFInfo
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- CN110498716A CN110498716A CN201810480974.2A CN201810480974A CN110498716A CN 110498716 A CN110498716 A CN 110498716A CN 201810480974 A CN201810480974 A CN 201810480974A CN 110498716 A CN110498716 A CN 110498716A
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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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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05F—ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C, e.g. FERTILISERS FROM WASTE OR REFUSE
- C05F17/00—Preparation of fertilisers characterised by biological or biochemical treatment steps, e.g. composting or fermentation
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K17/00—Soil-conditioning materials or soil-stabilising materials
- C09K17/40—Soil-conditioning materials or soil-stabilising materials containing mixtures of inorganic and organic compounds
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/40—Bio-organic fraction processing; Production of fertilisers from the organic fraction of waste or refuse
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Abstract
A kind of limestone mine stone pit earth's surface residue sandy loam and preparation method thereof, is mainly prepared by the raw material of following volumes percentage: limestone mine residue 55% ~ 85%: upgrade materials A 10% ~ 30%: upgrade materials B3% ~ 10%: bio-activator 2% ~ 5%.The present invention can construct mine earth's surface residue soil texture, make soil rapid aging, made sand loam can be used for improveing basic soil, supplement Trace Elements in Soil and carbon, promote flora breeding in soil, production cost and equipment investment are lower, realize the comprehensive utilization of mine solid waste, ecological, environmental protective.
Description
Technical field
The present invention relates to soil improvement and environmental technology field, in particular to a kind of limestone mine stone pit earth's surface residue sand
Loam and preparation method thereof.
Background technique
In recent years, due to the outdoor development for excavating mining industry, as the stockpiling of solid waste increases, a kind of special soil
Earth degeneration occurs, and becomes a main environmental problem because of soil losses and the profound transformation of landform.Currently, mine
The resource utilization of mountain solid waste and disposal options mainly have recycling useful component, production construction material, backfilling goaf,
Earthing is built up fields.By these modes, although part Mine Solid Wastes can be consumed, comprehensive utilization ratio still compared with
Low, except the comprehensive utilization ratio of gangue is close in addition to 70%, the comprehensive utilization ratio of other large Mine Solid Wastes is very low, tailing
Comprehensive utilization ratio less than 20%, the comprehensive utilization ratio of barren rock is almost nil.Wherein and with the need to limestone mine raw material
Ask increase, the stockpiling of mineral residue influences surrounding wasteland when exploitation and other kinds of landholding is relatively broad, does not only take up
A large amount of soils, and mining area periphery it is original can planting soil layer and lime stone mining area waste mix after to form limestone mine discarded
Residue, this results in soils after the prologue of mining area to be badly in need of administering and reclaiming.
Limestone mine waste residue is the byproduct of limestone mine, is the fine grained mine after limestone mine exploitation, screening
Stone, the gravel containing different-grain diameter, powder and clay in waste residue；Main mineral composition is that lime stone calcium is in tailings particles
It is main, generally 44% ~ 56%；Secondary is MgO, SiO2, A12O3, Fe2O3Deng, provide plant growth needs some microelements；
Constituting agstone according to Different Crop and soil can be to property, structure, the acidity etc. of improvement soil.
The soil texture is the percentage combination that each grade accounts for soil quality in soil.Differently grade composition determines different
The soil texture.Texture type decides soil water storage, transmissibility, fertilizer conservation, nutrient supplying capability, and heat preservation, guide temp are evaluation soil fertility
With the important evidence of Crop suitability.According to the particle composition analysis of limestone tailing, the lime for being similar to sand loam is prepared
Stone tailing planting soil.
Therefore, for the comprehensive utilization of limestone mine waste residue, and pass through soil texture component proportion, structural improvement
Production limestone tailing planting soil is adjusted with nutrient, reaches limestone mine and discards place improvement and requirement of reclaiming.Sand loam class
The quality of type is suitble to soil improvement and the ecological reconstruction on the discarded ground of limestone mine, not only realizes the benefit again reclaimed with resource in this way
With, while also bringing great social profit, ecological benefits and economic benefit.
Summary of the invention
The object of the present invention is to provide a kind of limestone mine stone pit earth's surface residue sandy loam and preparation method thereof is planted, with solution
Certainly the problem of above-mentioned background technique.
The technical scheme of the present invention is realized as follows:
A kind of limestone mine stone pit earth's surface residue sandy loam, is mainly prepared by the raw material of following volumes percentage: lime
Stone ore residue 55% ~ 85%: upgrade materials A 10% ~ 30%: upgrade materials B3% ~ 10%: bio-activator 2% ~ 5%.
Preferably, the limestone mine residue particles are mainly by each grade limestone mine residue of following mass percent
Grain is prepared: 2 ~ 0.02mm of diameter particle 55% ~ 85%: 0.02 ~ 0.002mm of diameter particle 15% ~ 40%: diameter -0.002mm
Grain 0% ~ 5%.
Preferably, the upgrade materials A is mainly prepared by following mass percent raw material: clay mineral 35% ~ 55%:
Agriculture and forestry organic waste material 10% ~ 20%: farmyard manure 35% ~ 45%.
Preferably, the clay mineral partial size is -0.075mm 100%, is mainly prepared by following ratio raw material: she
Sharp stone: kaolinite: montmorillonite=1.5:3:2.5.
Preferably, the agriculture and forestry organic waste material is prepared by following steps:
A. it is 0.25mm ~ 0.5mm stalk and branch bavin, edible fungi substrate according to mass percent by length: stalk 15% ~ 35%,
Edible fungi substrate 30% ~ 45%, branch bavin account for 20% ~ 55% corrosion-resistant blender of addition and stir evenly, and obtain mixture；
B. 98% concentrated sulfuric acid of concentration is added to be carbonized, 20min~80min, agriculture and forestry organic waste material after being carbonized, the concentrated sulfuric acid are stirred
With the mass ratio of mixture are as follows: the concentrated sulfuric acid: mixture=5:1 ~ 5.
Preferably, the farmyard manure includes one or more of guano, chicken manure, cow dung, pig manure, sheep dung, the agriculture
Mass fraction >=45% of organic matter, water content≤35% in farmyard manure weight fresh weight, pH value 6.0 ~ 8.0 in the dry matter of family's fertilizer.
Preferably, the upgrade materials B partial size is 0.25mm ~ 0.075mm, is mainly prepared from the following materials: urea
20 ~ 40 parts, 10 ~ 15 parts of potassium dihydrogen phosphate, 10 ~ 15 parts of potassium nitrate, 25 ~ 30 parts of ammonium nitrate, 15 ~ 20 parts of nitro humus acid.
Preferably, the bio-activator partial size is 0.25 ~ 0.5mm, is mainly prepared by following ratio raw material: sulfuric acid
Zinc: copper sulphate: ferrous sulfate=1.5:2.5:6.
The present invention also provides a kind of preparation methods of limestone mine stone pit earth's surface residue sandy loam, comprising the following steps:
(1) lime stone residue is uniformly mixed with upgrade materials A, obtains mixture；
(2) aerobic fermentation flora is added in step (1) mixture and is mixed thoroughly, carry out compost aerobic fermentation, inoculum concentration is mixing
3~5wt% of object, aerlbic culture 5d~8d；
(3) upgrade materials B is added in the mixture after step (2) fermentation and is uniformly mixed, obtain mixture；
(4) bio-activator is added in step (3) mixture, with covering with ground sheeting 5d ~ 7d, matrix is made to carry out mineralising decomposition,
Obtain qualified sandy loam.
Preferably, step (2) the aerobic fermentation flora include Aspergillus, saccharomycete, bacillus subtilis, potassium solubilizing bacteria and
Nitrogen-fixing bacteria, each strain amount ratio are as follows: Aspergillus: saccharomycete: bacillus subtilis: potassium solubilizing bacteria: nitrogen-fixing bacteria=2:1.2:0.6:1.8:
1。
Beneficial effects of the present invention:
The present invention can construct mine earth's surface residue soil texture, make soil rapid aging, and made sand loam can be used for
Basic soil is improved, Trace Elements in Soil and carbon are supplemented, promotes flora breeding, production cost and equipment investment in soil
It is lower, realize the comprehensive utilization of mine solid waste, ecological, environmental protective.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with embodiment, it is clear that implement describedly
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
A kind of limestone mine stone pit earth's surface residue sandy loam is present embodiments provided, mainly by the raw material of following volumes percentage
It is prepared: limestone mine residue 85%: upgrade materials A 10%: upgrade materials B 3%: bio-activator 2%.
Wherein, the limestone mine residue particles are mainly by each grade limestone mine residue particles of following mass percent
It is prepared: 2 ~ 0.02mm of diameter particle 85%: 0.02 ~ 0.002mm of diameter particle 15%: diameter -0.002mm particle 0%.
Wherein, the upgrade materials A is mainly prepared by following mass percent raw material: clay mineral 55%: agricultural are useless
Gurry 10%: farmyard manure 35%.
Wherein, the agriculture and forestry organic waste material is prepared by following steps:
A. be 0.25mm ~ 0.5mm stalk and branch bavin, edible fungi substrate according to mass percent by length: stalk 35% is eaten
Bacterium matrix 45%, branch bavin account for the corrosion-resistant blender of 20% addition and stir evenly, and obtain mixture；
B. 98% concentrated sulfuric acid of concentration is added to be carbonized, 20min, agriculture and forestry organic waste material after being carbonized, the concentrated sulfuric acid and mixture are stirred
Mass ratio are as follows: the concentrated sulfuric acid: mixture=5:1.
Wherein, the upgrade materials B partial size is 0.25mm ~ 0.075mm, is mainly prepared from the following materials: urea 40
Part, 10 parts of potassium dihydrogen phosphate, 10 parts of potassium nitrate, 25 parts of ammonium nitrate, 15 parts of nitro humus acid.
A kind of preparation method of the limestone mine stone pit earth's surface residue sandy loam, comprising the following steps:
(1) lime stone residue is uniformly mixed with upgrade materials A, obtains mixture；
(2) aerobic fermentation flora is added in step (1) mixture and is mixed thoroughly, carry out compost aerobic fermentation, inoculum concentration is mixing
The 3wt% of object, aerlbic culture 5d；
(3) upgrade materials B is added in the mixture after step (2) fermentation and is uniformly mixed, obtain mixture；
(4) bio-activator is added in step (3) mixture, with covering with ground sheeting 5d, so that matrix is carried out mineralising decomposition, obtain
Qualified sandy loam.
Embodiment 2
A kind of limestone mine stone pit earth's surface residue sandy loam is present embodiments provided, mainly by the raw material of following volumes percentage
It is prepared: limestone mine residue 70%: upgrade materials A 20%: upgrade materials B 6%: bio-activator 4%.
Wherein, the limestone mine residue particles are mainly by each grade limestone mine residue particles of following mass percent
It is prepared: 2 ~ 0.02mm of diameter particle 70%: 0.02 ~ 0.002mm of diameter particle 27%: diameter -0.002mm particle 3%.
Wherein, the upgrade materials A is mainly prepared by following mass percent raw material: clay mineral 45%: agricultural are useless
Gurry 15%: farmyard manure 40%.
Wherein, the agriculture and forestry organic waste material is prepared by following steps:
A. be 0.25mm ~ 0.5mm stalk and branch bavin, edible fungi substrate according to mass percent by length: stalk 25% is eaten
Bacterium matrix 37%, branch bavin account for the corrosion-resistant blender of 38% addition and stir evenly, and obtain mixture；
B. 98% concentrated sulfuric acid of concentration is added to be carbonized, 50min, agriculture and forestry organic waste material after being carbonized, the concentrated sulfuric acid and mixture are stirred
Mass ratio are as follows: the concentrated sulfuric acid: mixture=5:3.
Wherein, the upgrade materials B partial size is 0.25mm ~ 0.075mm, is mainly prepared from the following materials: urea 30
Part, 12 parts of potassium dihydrogen phosphate, 13 parts of potassium nitrate, 27 parts of ammonium nitrate, 18 parts of nitro humus acid.
A kind of preparation method of the limestone mine stone pit earth's surface residue sandy loam, comprising the following steps:
(1) lime stone residue is uniformly mixed with upgrade materials A, obtains mixture；
(2) aerobic fermentation flora is added in step (1) mixture and is mixed thoroughly, carry out compost aerobic fermentation, inoculum concentration is mixing
The 4wt% of object, aerlbic culture 7d；
(3) upgrade materials B is added in the mixture after step (2) fermentation and is uniformly mixed, obtain mixture；
(4) bio-activator is added in step (3) mixture, with covering with ground sheeting 6d, so that matrix is carried out mineralising decomposition, obtain
Qualified sandy loam.
Embodiment 3
A kind of limestone mine stone pit earth's surface residue sandy loam is present embodiments provided, mainly by the raw material of following volumes percentage
It is prepared: limestone mine residue 55%: upgrade materials A 30%: upgrade materials B1 0%: bio-activator 5%.
Wherein, the limestone mine residue particles are mainly by each grade limestone mine residue particles of following mass percent
It is prepared: 2 ~ 0.02mm of diameter particle 55%: 0.02 ~ 0.002mm of diameter particle 40%: diameter -0.002mm particle 5%.
Wherein, the upgrade materials A is mainly prepared by following mass percent raw material: clay mineral 35%: agricultural are useless
Gurry 20%: farmyard manure 45%.
Wherein, the agriculture and forestry organic waste material is prepared by following steps:
A. be 0.25mm ~ 0.5mm stalk and branch bavin, edible fungi substrate according to mass percent by length: stalk 15% is eaten
Bacterium matrix 30%, branch bavin account for the corrosion-resistant blender of 55% addition and stir evenly, and obtain mixture；
B. 98% concentrated sulfuric acid of concentration is added to be carbonized, 80min, agriculture and forestry organic waste material after being carbonized, the concentrated sulfuric acid and mixture are stirred
Mass ratio are as follows: the concentrated sulfuric acid: mixture=5:5.
Wherein, the upgrade materials B partial size is 0.25mm ~ 0.075mm, is mainly prepared from the following materials: urea 20
Part, 15 parts of potassium dihydrogen phosphate, 15 parts of potassium nitrate, 30 parts of ammonium nitrate, 20 parts of nitro humus acid.
A kind of preparation method of the limestone mine stone pit earth's surface residue sandy loam, comprising the following steps:
(1) lime stone residue is uniformly mixed with upgrade materials A, obtains mixture；
(2) aerobic fermentation flora is added in step (1) mixture and is mixed thoroughly, carry out compost aerobic fermentation, inoculum concentration is mixing
The 5wt% of object, aerlbic culture 8d；
(3) upgrade materials B is added in the mixture after step (2) fermentation and is uniformly mixed, obtain mixture；
(4) bio-activator is added in step (3) mixture, with covering with ground sheeting 7d, so that matrix is carried out mineralising decomposition, obtain
Qualified sandy loam.
Sandy loam made from above-described embodiment 1-3 is promoted the use of discardedly in limestone mine, it is useless in 600 mu of limestone mines
It abandons and plants bamboo willow in ground, plant 2600 plants per acre, this 600 mu of ground are distinguished into each 150 mu of four bulk regions, sandy loam and dregs
Soil thickness be 50cm, testing result is as follows after 1 year:
| The diameter of a cross-section of a tree trunk 1.3 meters above the ground (cm) | Plant height (m) | Biological quality (t/ mus) | |
| Dregs | 1.5 | 227 | 2.0 |
| Embodiment 1 | 2 | 358 | 2.2 |
| Embodiment 2 | 2.2 | 380 | 2.5 |
| Embodiment 3 | 2.5 | 410 | 2.6 |
By the testing result of upper table it is found that planting bamboo willow in the discarded ground of limestone mine using sandy loam of the invention, bamboo willow
The diameter of a cross-section of a tree trunk 1.3 meters above the ground, ground diameter and biological quality index significantly increase.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of limestone mine stone pit earth's surface residue sandy loam, is mainly prepared by the raw material of following volumes percentage: stone
Grey stone ore residue 55% ~ 85%: upgrade materials A 10% ~ 30%: upgrade materials B3% ~ 10%: bio-activator 2% ~ 5%.
2. a kind of limestone mine stone pit earth's surface residue sandy loam according to claim 1, which is characterized in that the lime
Stone ore residue particles are mainly prepared by each grade limestone mine residue particles of following mass percent: 2 ~ 0.02mm of diameter
Particle 55% ~ 85%: 0.02 ~ 0.002mm of diameter particle 15% ~ 40%: diameter -0.002mm particle 0% ~ 5%.
3. a kind of limestone mine stone pit earth's surface residue sandy loam according to claim 1, which is characterized in that the improvement
Substance A is mainly prepared by following mass percent raw material: clay mineral 35% ~ 55%: agriculture and forestry organic waste material 10% ~ 20%: farmers'
Fertilizer 35% ~ 45%.
4. upgrade materials A according to claim 3, which is characterized in that the clay mineral partial size is -0.075mm
100%, it is mainly prepared by following ratio raw material: illite: kaolinite: montmorillonite=1.5:3:2.5.
5. upgrade materials A according to claim 3, which is characterized in that the agriculture and forestry organic waste material is prepared by following steps:
A. it is 0.25mm ~ 0.5mm stalk and branch bavin, edible fungi substrate according to mass percent by length: stalk 15% ~ 35%,
Edible fungi substrate 30% ~ 45%, branch bavin account for 20% ~ 55% corrosion-resistant blender of addition and stir evenly, and obtain mixture；
B. 98% concentrated sulfuric acid of concentration is added to be carbonized, 20min~80min, agriculture and forestry organic waste material after being carbonized, the concentrated sulfuric acid are stirred
With the mass ratio of mixture are as follows: the concentrated sulfuric acid: mixture=5:1 ~ 5.
6. upgrade materials A according to claim 3, which is characterized in that the farmyard manure include guano, chicken manure, cow dung,
One or more of pig manure, sheep dung, mass fraction >=45% of organic matter in the dry matter of the farmyard manure, farmyard manure weight are fresh
Water content≤35% in weight, pH value 6.0 ~ 8.0.
7. a kind of preparation method of limestone mine stone pit earth's surface residue sandy loam according to claim 1, feature exist
In the upgrade materials B partial size is 0.25mm ~ 0.075mm, is mainly prepared from the following materials: 20 ~ 40 parts of urea, phosphoric acid
10 ~ 15 parts of potassium dihydrogen, 10 ~ 15 parts of potassium nitrate, 25 ~ 30 parts of ammonium nitrate, 15 ~ 20 parts of nitro humus acid.
8. a kind of preparation method of limestone mine stone pit earth's surface residue sandy loam according to claim 1, feature exist
In the bio-activator partial size is 0.25 ~ 0.5mm, is mainly prepared by following ratio raw material: zinc sulfate: copper sulphate: sulphur
Sour ferrous iron=1.5:2.5:6.
9. the present invention also provides a kind of preparation methods of limestone mine stone pit earth's surface residue sandy loam, comprising the following steps:
(1) lime stone residue is uniformly mixed with upgrade materials A, obtains mixture；
(2) aerobic fermentation flora is added in step (1) mixture and is mixed thoroughly, carry out compost aerobic fermentation, inoculum concentration is mixing
3~5wt% of object, aerlbic culture 5d~8d；
(3) upgrade materials B is added in the mixture after step (2) fermentation and is uniformly mixed, obtain mixture；
(4) bio-activator is added in step (3) mixture, with covering with ground sheeting 5d ~ 7d, matrix is made to carry out mineralising decomposition,
Obtain qualified sandy loam.
10. a kind of preparation method of limestone mine stone pit earth's surface residue sandy loam according to claim 7, feature exist
In step (2) the aerobic fermentation flora includes Aspergillus, saccharomycete, bacillus subtilis, potassium solubilizing bacteria and nitrogen-fixing bacteria, each bacterium
Kind amount ratio are as follows: Aspergillus: saccharomycete: bacillus subtilis: potassium solubilizing bacteria: nitrogen-fixing bacteria=2:1.2:0.6:1.8:1.
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Cited By (1)
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| CN111616019A (en) * | 2020-05-19 | 2020-09-04 | 山东高速建设管理集团有限公司 | Vegetation matrix based on engineering residue soil and preparation method and application thereof |
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Application publication date: 20191126 |