CN106278072A - A kind of method without soil tailings - Google Patents

A kind of method without soil tailings Download PDF

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Publication number
CN106278072A
CN106278072A CN201610669372.2A CN201610669372A CN106278072A CN 106278072 A CN106278072 A CN 106278072A CN 201610669372 A CN201610669372 A CN 201610669372A CN 106278072 A CN106278072 A CN 106278072A
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CN
China
Prior art keywords
soil
tailings
mine tailing
low
coombe
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610669372.2A
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Chinese (zh)
Inventor
马跃
李伟
高飞
李金典
孙成亮
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dalian Earth Environment Technology Co., Ltd.
Original Assignee
DALIAN DITUO HEAVY INDUSTRY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DALIAN DITUO HEAVY INDUSTRY Co Ltd filed Critical DALIAN DITUO HEAVY INDUSTRY Co Ltd
Priority to CN201610669372.2A priority Critical patent/CN106278072A/en
Publication of CN106278072A publication Critical patent/CN106278072A/en
Pending legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/08—Slag cements
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B79/00—Methods for working soil
    • A01B79/02—Methods for working soil combined with other agricultural processing, e.g. fertilising, planting
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G24/00—Growth substrates; Culture media; Apparatus or methods therefor
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B18/04—Waste materials; Refuse
    • C04B18/12—Waste materials; Refuse from quarries, mining or the like
    • C—CHEMISTRY; METALLURGY
    • C05—FERTILISERS; MANUFACTURE THEREOF
    • C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
    • C05D9/00—Other inorganic fertilisers
    • 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
    • Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
    • Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
    • 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
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/91—Use of waste materials as fillers for mortars or concrete

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Civil Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Treatment Of Sludge (AREA)

Abstract

The invention provides a kind of method without soil tailings, including Tailing thickening, filling subsidence area, coombe, low-lying land, preparation is without soil mine tailing substrate with without steps such as soil mine tailing substrate coverings, it is possible not only to process a large amount of mine tailing, reduces mine tailing and take up an area, reduce environmental hazard, make resource of tailings obtain Appropriate application simultaneously, improve resource utilization.There is preferable economic benefit and social benefit.Obtained is high without soil mine tailing substrate machine matter content, and water-retaining property and good permeability can improve the physicochemical property of soil, it is provided that plant desired nutritional, repair mine and have preferable recovery dynatron effect.

Description

A kind of method without soil tailings
Technical field
The present invention relates to tailings glass field, be specifically related to a kind of method without soil tailings.
Background technology
Produce substantial amounts of mine tailing during mining, do not only take up substantial amounts of soil, cause to the ecological environment of surrounding The biggest harm, and to put into process and maintenance cost.If mine tailing consolidation is filled to subsidence area, coombe, low-lying land are made Ground, both can make full use of resource of tailings, turn waste into wealth, the subsidence area not utilized, coombe, low-lying land can be made again to reclaim into cultivated Ground, forest land, meadow etc., improve land utilization ratio.
Generally requiring during mine reclamation and carry out soil moved in improve the original engineering, soil moved in improve the original can endanger taking soil reclamation soil fail Its surrounding enviroment.If mine tailing in addition auxiliary material being made without soil mine tailing substrate, not only reducing soil moved in improve the original amount, also making resource of tailings Obtain Appropriate application, improve resource utilization.At present, have not yet seen and both utilize mine tailing consolidation filling to make ground, use again simultaneously Mine tailing is prepared soilless substrate covering and is made the report that surface layer carries out reclaiming.
Summary of the invention
In order to solve above technical problem, the present invention proposes a kind of method without soil tailings, and the method is applicable to ore deposit Subsidence area, coombe or the low-lying land existed near mountain, specifically includes following steps:
(1) Tailing thickening
Concentrating selecting factory's new last person ore in sand form to send into Paste thickener together with flocculant, new last person's ore in sand form is by by institute Dry tailings weight addition per ton described flocculant 95g～130g contained, water return pipeline is sent in the overflow that described concentrator produces Recycle；
(2) the mastic tail of the underflow density 65%～70% that concentrator described in filling subsidence area, coombe, low-lying land produces Ore deposit, filling subsidence area, coombe or low-lying land, then flatten；Specifically may comprise steps of:
Charging stirring: by described Paste tailings, slag cements by weight percent: Paste tailings 95%～97%, slag Cement 3%～5%, adds agitator stirring 5min；
Consolidation filling: the stirring thing stirred is delivered to subsidence area, coombe or low-lying land heap row and consolidation；
Leveling: flatten through bull-dozer；
(3) preparation is without soil mine tailing substrate
Dispensing: according to percetage by weight: mine tailing 30%～40%, turfy soil 40%～50%, Vermiculitum 3%～5%, pumice 3%～5%, Maifanitum 3%～5%, decomposed manure 6%～10% are sufficiently mixed uniformly；Described Vermiculitum granularity is preferably 40 Mesh～60 mesh, described pumice granularity is preferably 60 mesh～80 mesh, and described Maifanitum granularity is preferably 60 mesh～80 mesh；
Ripening: ripening 5-8 days of being banked up by the material mixed, during banking up, remains the moisture of material It is 40%～50%；
(4) cover without soil mine tailing substrate
Told subsidence area, coombe, low-lying land are filled, after leveling, cover its surface by described without soil mine tailing substrate, cover Thickness is 25-35cm, then carries out vegetation and reclaims.
Described flocculant is made up of bodied ferric sulfate and polyacrylamide, and new last person's ore in sand form per ton adds described polyaluminum sulfate Ferrum 80g～100g and described polyacrylamide 15g～30g.
Method without soil tailings provided by the present invention, consolidates mine tailing filling coombe, low-lying land and subsidence area and makes Ground, and mine tailing is prepared as soilless substrate cover make surface layer, for substitute in the repair process of mine use soil moved in improve the original.The method Not only process a large amount of mine tailing, reduced mine tailing and take up an area, reduce environmental hazard, make resource of tailings obtain Appropriate application simultaneously, improve Resource utilization.There is preferable economic benefit and social benefit.Obtained is high without soil mine tailing substrate machine matter content, water-retaining property And good permeability, the physicochemical property of soil can be improved, it is provided that plant desired nutritional, repair to have to mine and preferably repair effect Should.
Detailed description of the invention:
Embodiment 1:
Iron ore mine, Dandong City of Liaoning Province, there is more coombe and low-lying land in mine periphery, uses without soil tailings side Method, to coombe and low-lying land Reclamation by filling, comprises the following steps:
(1) Tailing thickening
Concentrating selecting factory new last person ore deposit to send into Paste thickener together with flocculant, flocculant addition is new row CHARACTERISTICS OF TAILINGS SAND is by by contained dry tailings weight addition per ton bodied ferric sulfate 80g and polyacrylamide 30g.Concentrator overflow is sent Enter water return pipeline to recycle；
(2) filling coombe, low-lying land
The Paste tailings of thickener underflow concentration 65%, for filling coombe, low-lying land, subsidence area, comprises the following steps:
Charging stirring: by Paste tailings, slag cements by weight percent: Paste tailings 95%, slag cements 5%, add Enter agitator stirring 5min.
Consolidation filling: by belt conveyor, the Paste tailings stirred is delivered to coombe, low-lying land heap is arranged and consolidation.
Leveling: mine tailing is full of after drying up and flattens through bull-dozer.
(3) preparation is without soil mine tailing substrate
Comprise the following steps without soil mine tailing substrate:
Dispensing: according to percetage by weight: iron tailings 30%, turfy soil 50%, Vermiculitum 4%, pumice 3%, Maifanitum 3%, Decomposed manure 10% is sufficiently mixed uniformly；
Ripening: ripening 7 days of being banked up by the material mixed, during banking up, remains that the moisture of material is 40%～50%.
(4) cover without soil mine tailing substrate
After coombe and low-lying land Paste tailings heap row are full of leveling, that is prepared by this mine tailing covers its table without soil mine tailing substrate Face 30cm, then carries out vegetation and reclaims.
What the present embodiment was provided has not only processed a large amount of mine tailing without soil tailings method, reduces mine tailing and takes up an area, reduces Environmental hazard, makes resource of tailings obtain Appropriate application simultaneously, improves resource utilization.There is preferable economic benefit and society's effect Benefit.Obtained is high without soil mine tailing substrate machine matter content, and water-retaining property and good permeability can improve the physicochemical property of soil, it is provided that Plant desired nutritional, repairs mine and has preferable recovery dynatron effect.
Embodiment 2:
Chaoyang City, Liaoning Province Molybdenum Mine, there is subsidence area in mine periphery, use without soil tailings method to coombe and Low-lying land Reclamation by filling, comprises the following steps:
(1) Tailing thickening
Concentrating selecting factory new last person ore deposit to send into Paste thickener together with flocculant, flocculant addition is new row CHARACTERISTICS OF TAILINGS SAND is by by contained dry tailings weight addition per ton bodied ferric sulfate 90g and polyacrylamide 22g.Concentrator overflow is sent Enter water return pipeline to recycle；
(2) filling subsidence area
The Paste tailings of thickener underflow concentration 68%, for filling subsidence area, comprises the following steps:
Charging stirring: by Paste tailings, slag cements by weight percent: Paste tailings 96%, slag cements 4%, add Enter agitator stirring 5min.
Consolidation filling: the Paste tailings stirred is delivered to subsidence area heap by belt conveyor and arranges and consolidation.
Leveling: mine tailing is full of after drying up and flattens through bull-dozer.
(3) preparation is without soil mine tailing substrate
Comprise the following steps without soil mine tailing substrate:
Dispensing: according to percetage by weight: molybdic tailing 35%, turfy soil 45%, Vermiculitum 3%, pumice 5%, Maifanitum 4%, Decomposed manure 8% is sufficiently mixed uniformly；
Ripening: ripening 5 days of being banked up by the material mixed, during banking up, remains that the moisture of material is 40%～50%.
(4) cover without soil mine tailing substrate
After subsidence area Paste tailings heap row is full of leveling, that is prepared by this mine tailing covers its surface without soil mine tailing substrate 30cm, then carries out vegetation and reclaims.
What the present embodiment was provided has not only processed a large amount of mine tailing without soil tailings method, reduces mine tailing and takes up an area, reduces Environmental hazard, makes resource of tailings obtain Appropriate application simultaneously, improves resource utilization.There is preferable economic benefit and society's effect Benefit.Obtained is high without soil mine tailing substrate machine matter content, and water-retaining property and good permeability can improve the physicochemical property of soil, it is provided that Plant desired nutritional, repairs mine and has preferable recovery dynatron effect.
Embodiment 3:
Iron ore mine, Liaoyang City of Liaoning Province, there is more low-lying land in mine periphery, uses and liquidate without soil tailings method Ditch and low-lying land Reclamation by filling, comprise the following steps:
(1) Tailing thickening
Concentrating selecting factory new last person ore deposit to send into Paste thickener together with flocculant, flocculant addition is new row CHARACTERISTICS OF TAILINGS SAND is by by contained dry tailings weight addition per ton bodied ferric sulfate 100g and polyacrylamide 15g.Concentrator overflow Feeding water return pipeline recycles；
(2) filling low-lying land
The Paste tailings of thickener underflow concentration 70%, for filling low-lying land, comprises the following steps:
Charging stirring: by Paste tailings, slag cements by weight percent: Paste tailings 97%, slag cements 3%, add Enter agitator stirring 5min.
Consolidation filling: the Paste tailings stirred is delivered to low-lying land heap by belt conveyor and arranges and consolidation.
Leveling: mine tailing is full of after drying up and flattens through bull-dozer.
(3) preparation is without soil mine tailing substrate
Comprise the following steps without soil mine tailing substrate:
Dispensing: according to percetage by weight: iron tailings 40%, turfy soil 40%, Vermiculitum 5%, pumice 4%, Maifanitum 5%, Decomposed manure 6% is sufficiently mixed uniformly；
Ripening: ripening 8 days of being banked up by the material mixed, during banking up, remains that the moisture of material is 40%～50%.
(4) cover without soil mine tailing substrate
After low-lying land Paste tailings heap row is full of leveling, that is prepared by this mine tailing covers its surface without soil mine tailing substrate 30cm, then carries out vegetation and reclaims.
What the present embodiment was provided has not only processed a large amount of mine tailing without soil tailings method, reduces mine tailing and takes up an area, reduces Environmental hazard, makes resource of tailings obtain Appropriate application simultaneously, improves resource utilization.There is preferable economic benefit and society's effect Benefit.Obtained is high without soil mine tailing substrate machine matter content, and water-retaining property and good permeability can improve the physicochemical property of soil, it is provided that Plant desired nutritional, repairs mine and has preferable recovery dynatron effect.

Claims (4)

1. the method without soil tailings, it is characterised in that comprise the following steps:
(1) Tailing thickening
Concentrating selecting factory's new last person ore in sand form to send into Paste thickener together with flocculant, described new last person's ore in sand form presses dry tail Sand weight addition per ton described flocculant 95g～130g, the overflow that described concentrator produces is sent into water return pipeline and is recycled；
(2) filling subsidence area, coombe, low-lying land
The Paste tailings of the underflow density 65%～70% that described concentrator produces, filling subsidence area, coombe or low-lying land, then Leveling；
(3) preparation is without soil mine tailing substrate
Dispensing: according to percetage by weight: mine tailing 30%～40%, turfy soil 40%～50%, Vermiculitum 3%～5%, pumice 3% ～5%, Maifanitum 3%～5%, decomposed manure 6%～10% be sufficiently mixed uniformly；
Ripening: ripening 5-8 days of being banked up by the material mixed, during banking up, remains that the moisture of material is 40%～50%；
(4) cover without soil mine tailing substrate
Described subsidence area, coombe, low-lying land are filled, after leveling, cover its surface, cladding thickness by described without soil mine tailing substrate For 25-35cm, then carry out vegetation and reclaim.
Method without soil tailings the most according to claim 1, it is characterised in that described flocculant is by bodied ferric sulfate Form with polyacrylamide, described new last person's ore in sand form by dry tailings weight addition per ton described bodied ferric sulfate 80g～100g and Described polyacrylamide 15g～30g.
Method without soil tailings the most according to claim 1, it is characterised in that described step (2) subsidence area, punching Ditch, low-lying land comprise the following steps in reclaiming:
Charging stirring: by described Paste tailings, slag cements by weight percent: Paste tailings 95%～97%, slag cements 3%～5%, add agitator stirring 5min；
Consolidation filling: the stirring thing stirred is delivered to subsidence area, coombe or low-lying land heap row and consolidation；
Leveling: flatten through bull-dozer.
Method without soil tailings the most according to claim 1, it is characterised in that described Vermiculitum granularity is 40 mesh～60 Mesh, described pumice granularity is 60 mesh～80 mesh, and described Maifanitum granularity is 60 mesh～80 mesh.
CN201610669372.2A 2016-08-15 2016-08-15 A kind of method without soil tailings Pending CN106278072A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107047173A (en) * 2017-01-05 2017-08-18 江西省科学院生物资源研究所 A kind of method that utilization shrub lespedeza container seedling quickly repairs southern metal tail sand storage
CN107473843A (en) * 2017-09-15 2017-12-15 大连地拓环境科技有限公司 A kind of molybdic tailing barren rock soilless culture substrate and preparation method thereof
CN107673915A (en) * 2017-09-15 2018-02-09 大连地拓环境科技有限公司 A kind of Pb-Zn tailings barren rock soilless culture substrate and preparation method thereof
CN108207159A (en) * 2017-12-29 2018-06-29 天津海林农业科技发展有限公司 A kind of exposed heavy saline covers green dust-suppression method
CN110121968A (en) * 2018-02-02 2019-08-16 中国科学院寒区旱区环境与工程研究所 A kind of mining area stone pit ecological restoring method
CN111003996A (en) * 2019-12-19 2020-04-14 天津市城市新海绵环保科技有限公司 Application of copper tailing heap leaching waste residue, vegetation composite base material and preparation method
CN113519231A (en) * 2021-07-16 2021-10-22 湖北三鑫金铜股份有限公司 Soilless reclamation method for fine sand tailings

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CN105089694A (en) * 2014-05-14 2015-11-25 五矿邯邢矿业有限公司西石门铁矿 Method for injecting solidified tailings into collapse pit
CN105598143A (en) * 2016-03-09 2016-05-25 大连地拓重工有限公司 Resource mine repairing method

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107047173A (en) * 2017-01-05 2017-08-18 江西省科学院生物资源研究所 A kind of method that utilization shrub lespedeza container seedling quickly repairs southern metal tail sand storage
CN107473843A (en) * 2017-09-15 2017-12-15 大连地拓环境科技有限公司 A kind of molybdic tailing barren rock soilless culture substrate and preparation method thereof
CN107673915A (en) * 2017-09-15 2018-02-09 大连地拓环境科技有限公司 A kind of Pb-Zn tailings barren rock soilless culture substrate and preparation method thereof
CN108207159A (en) * 2017-12-29 2018-06-29 天津海林农业科技发展有限公司 A kind of exposed heavy saline covers green dust-suppression method
CN110121968A (en) * 2018-02-02 2019-08-16 中国科学院寒区旱区环境与工程研究所 A kind of mining area stone pit ecological restoring method
CN110121968B (en) * 2018-02-02 2021-11-30 中国科学院西北生态环境资源研究院 Ecological restoration method for quarry in mining area
CN111003996A (en) * 2019-12-19 2020-04-14 天津市城市新海绵环保科技有限公司 Application of copper tailing heap leaching waste residue, vegetation composite base material and preparation method
CN111003996B (en) * 2019-12-19 2022-03-04 天津市城市新海绵环保科技有限公司 Application of copper tailing heap leaching waste residue, vegetation composite base material and preparation method
CN113519231A (en) * 2021-07-16 2021-10-22 湖北三鑫金铜股份有限公司 Soilless reclamation method for fine sand tailings

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