CN105032601A - Tailing disposal method - Google Patents

Tailing disposal method Download PDF

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Publication number
CN105032601A
CN105032601A CN201510365144.1A CN201510365144A CN105032601A CN 105032601 A CN105032601 A CN 105032601A CN 201510365144 A CN201510365144 A CN 201510365144A CN 105032601 A CN105032601 A CN 105032601A
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CN
China
Prior art keywords
tailing
mud
tailings
thickener
plate
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
CN201510365144.1A
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Chinese (zh)
Inventor
董志华
戴水林
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Jiangxi Lianhuashan Mineral Industry Co Ltd
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Jiangxi Lianhuashan Mineral Industry Co Ltd
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Application filed by Jiangxi Lianhuashan Mineral Industry Co Ltd filed Critical Jiangxi Lianhuashan Mineral Industry Co Ltd
Priority to CN201510365144.1A priority Critical patent/CN105032601A/en
Publication of CN105032601A publication Critical patent/CN105032601A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a tailing disposal method. The method comprises the following steps: concentrating tailing sand floated with fluorite into a tailing pond, and then pumping the tailing sand to a classifier through a tailing pump to classify the coarse particles of the tailing sand in advance, wherein the coarse particles of the tailing sand are used for building walls; then, adding aluminum chlorohydrate into the overflow of the classifier, pumping to a thickner through a mud pump, adding polyacrylamide before entering the thickner, and therefore flocculating and settling mud in the thickner; keeping clean water at the upper part of the thickner, diverting the clean water to a clean water tank through a pipeline for centralized reuse, and draining thick mud flocculated and settled at the bottom of the thickner to a thick mud pit; pumping the thick mud in the thick mud pit into a plate-and-frame filter press through a high-pressure mud pump, diverting filter liquor pressed out by the plate-and-frame filter press to the clean water tank for reuse through a pipeline. Filter cakes pressed by the plate-and-frame filter press can replace tallow mud to be used for manufacturing clay bricks. The tailing disposal method solves the pollution problem of tailings of fluorite ore dressing, realizes no-tailing ore dressing and has the advantages of being low in processing cost and good in processing effect.

Description

A kind of method for tailings glass
Technical field
The present invention relates to fluorite ore technical field, specifically a kind of method for tailings glass.
Background technology
The mineral composition of fluorite ore ore is simple, and essential mineral is fluorite and quartz, still has the calcite etc. of seldom amount in addition.This fluorite is granule shape and trickle veiny and quartzy symbiosis, and X-ray diffraction analysis result shows that fluorite content is about 24.6%.At polarized light microscopy Microscopic observation, fluorite crystals is complete, clear-cut, and majority is irregular granular, in different interference colours under cross-polarized light.The visible various striped of plane of crystal, micro-hole and cleavage crack.Difformity is inlayed mutually along grain, and with quartzy association, be distributed between 0.020-0.12mm, maximum particle size can reach 0.25mm, and the comparatively degree of most quartz is distributed between 0.020-0.1mm, less with the quartz of monomeric form output.And the fluorite particle be present in quartzy gap is micron-sized fluorite mineral, fluorite grain graininess is mainly 2.0-6.0um.Quartz is in white, and crystal perfection, shape is multiple, smooth surface, smooth, is the mineral closely mutually embedding with fluorite.
Along with science and technology and the development of application technology, the fluorite ore dressing technology of China is ripe gradually, but the technology of advanced person and equipment are still only by domestic large-scale preparation equipment research institution and enterprise are grasped, therefore, mathematical, suitable technique and equipment extremely important to selected effect.
Fluorite ore mineral processing circuit can be summarized as: tcrude ore carries out coarse crushing by oscillating feeder feeding jaw crusher and (also can be described as one to break, crushing raw ore to 20-50mm), fluorite ore after preliminary fragmentation is admitted to fine crusher and carries out second-time breakage (ore reduction to <3-5mm60%-90%), ore after two sections of fragmentations just can enter ball mill and carry out grinding operation, general and the spiral classifier of ball mill forms closed cycle, namely the material after ball mill grinding enters grader and carries out classification, qualified smitham enters next technique, underproof coarse grain ore returns to ball mill and grinds.Mixing drum is entered and floating agent carries out fully, uniform mix after fine mineral is separated, then enter in the core link-flotation device of fluorite ore ore-dressing technique and carry out flotation operation, through to roughly select for 1 time, 5 times selected, scan for 2 times, by controlling pulp density, acid-base value, add different agents and obtain qualified concentrate containing)-wet concentrate-filter press-qualified concentrate containing.Mine tailing enters Tailings Dam.
The most difficult in processing of fluorspar ores industry is exactly tailings glass work, and the mine tailing how effectively processing processing of fluorspar ores factory is the hard nut to crack that processing of fluorspar ores factory needs to solve always.
Summary of the invention
The object of the present invention is to provide a kind of method for tailings glass that processing cost is low, effective, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technical scheme:
For a method for tailings glass, comprise the steps:
1) first the CHARACTERISTICS OF TAILINGS SAND after fluorite is focused on tailing pit, be then pumped into grader in advance by coarse grained CHARACTERISTICS OF TAILINGS SAND classification out with tailings pump, use it for and build wall by laying bricks or stones;
2) then in the overflow of grader, aluminium polychloride is added, thickener is pumped into again with slush pump, and before entering thickener, add polyacrylamide again, mud will in thickener flocculation sediment, the top of thickener maintains clear water, clear water pipeline is guided to clear water reserviors centralized reuse, and the dense mud of flocculation sediment bottom thickener is discharged to dense mud pit;
3) with high pressure slurry pump, the dense mud in dense mud pit is pumped into plate and frame filter press press filtration, the filtrate that plate and frame filter press presses out guides to clear water reserviors for reuse with pipeline, and the filter cake that plate and frame filter press press dry is for making clay brick.
As the further scheme of the present invention: the addition of described aluminium polychloride is the 1-15% of CHARACTERISTICS OF TAILINGS SAND quality.
As the further scheme of the present invention: the addition of described polyacrylamide is the 2-10% of CHARACTERISTICS OF TAILINGS SAND quality.
Compared with prior art, the invention has the beneficial effects as follows:
Through the present invention, thoroughly solve the pollution problem of processing of fluorspar ores mine tailing, accomplished without mine tailing ore dressing, rationally and utilize resource of tailings fully, and processing cost is low, and treatment effect is good.
Detailed description of the invention
Below in conjunction with the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
In the embodiment of the present invention, a kind of method for tailings glass, first the CHARACTERISTICS OF TAILINGS SAND after fluorite is focused on tailing pit, then grader is pumped in advance by coarse grained CHARACTERISTICS OF TAILINGS SAND classification out with tailings pump, this part coarse sand and river sand do not have great difference substantially, may be used for building wall by laying bricks or stones and use.Then in the overflow of grader, add aluminium polychloride, the addition of aluminium polychloride is 1% of CHARACTERISTICS OF TAILINGS SAND quality.Be pumped into thickener with slush pump again, and added polyacrylamide again before entering thickener, the addition of polyacrylamide is 2% of CHARACTERISTICS OF TAILINGS SAND quality.Such mud will soon in thickener flocculation sediment, the top of thickener remains green clear clear water, and clear water pipeline is guided to clear water reserviors centralized reuse, and the dense mud be deposited in bottom thickener is discharged to dense mud pit.With high pressure slurry pump, the dense mud in dense mud pit is pumped into plate and frame filter press press filtration, the filtrate that plate and frame filter press presses out is very limpid, guides to clear water reserviors for reuse with pipeline, and the filter cake that plate and frame filter press press dry can replace yellow mud for making clay brick.
Embodiment 2
In the embodiment of the present invention, a kind of method for tailings glass, first the CHARACTERISTICS OF TAILINGS SAND after fluorite is focused on tailing pit, then grader is pumped in advance by coarse grained CHARACTERISTICS OF TAILINGS SAND classification out with tailings pump, this part coarse sand and river sand do not have great difference substantially, may be used for building wall by laying bricks or stones and use.Then in the overflow of grader, add aluminium polychloride, the addition of aluminium polychloride is 15% of CHARACTERISTICS OF TAILINGS SAND quality.Be pumped into thickener with slush pump again, and added polyacrylamide again before entering thickener, the addition of polyacrylamide is 10% of CHARACTERISTICS OF TAILINGS SAND quality.Such mud will soon in thickener flocculation sediment, the top of thickener remains green clear clear water, and clear water pipeline is guided to clear water reserviors centralized reuse, and the dense mud be deposited in bottom thickener is discharged to dense mud pit.With high pressure slurry pump, the dense mud in dense mud pit is pumped into plate and frame filter press press filtration, the filtrate that plate and frame filter press presses out is very limpid, guides to clear water reserviors for reuse with pipeline, and the filter cake that plate and frame filter press press dry can replace yellow mud for making clay brick.
Embodiment 3
In the embodiment of the present invention, a kind of method for tailings glass, first the CHARACTERISTICS OF TAILINGS SAND after fluorite is focused on tailing pit, then grader is pumped in advance by coarse grained CHARACTERISTICS OF TAILINGS SAND classification out with tailings pump, this part coarse sand and river sand do not have great difference substantially, may be used for building wall by laying bricks or stones and use.Then in the overflow of grader, add aluminium polychloride, the addition of aluminium polychloride is 8% of CHARACTERISTICS OF TAILINGS SAND quality.Be pumped into thickener with slush pump again, and added polyacrylamide again before entering thickener, the addition of polyacrylamide is 6% of CHARACTERISTICS OF TAILINGS SAND quality.Such mud will soon in thickener flocculation sediment, the top of thickener remains green clear clear water, and clear water pipeline is guided to clear water reserviors centralized reuse, and the dense mud be deposited in bottom thickener is discharged to dense mud pit.With high pressure slurry pump, the dense mud in dense mud pit is pumped into plate and frame filter press press filtration, the filtrate that plate and frame filter press presses out is very limpid, guides to clear water reserviors for reuse with pipeline, and the filter cake that plate and frame filter press press dry can replace yellow mud for making clay brick.
According to the way of above-described embodiment, just thoroughly solve the pollution problem of processing of fluorspar ores mine tailing, accomplished without mine tailing ore dressing.Current the present invention has successfully dropped into application in Lianhua Shan Mountain mineral products Industrial Co., Ltd. of Jiangxi Province, and effect is ideal.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present invention is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the present invention.
In addition, be to be understood that, although this description is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of description is only for clarity sake, those skilled in the art should by description integrally, and the technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.

Claims (3)

1. for a method for tailings glass, it is characterized in that, comprise the steps:
1) first the CHARACTERISTICS OF TAILINGS SAND after fluorite is focused on tailing pit, be then pumped into grader in advance by coarse grained CHARACTERISTICS OF TAILINGS SAND classification out with tailings pump, use it for and build wall by laying bricks or stones;
2) then in the overflow of grader, aluminium polychloride is added, thickener is pumped into again with slush pump, and before entering thickener, add polyacrylamide again, mud will in thickener flocculation sediment, the top of thickener maintains clear water, clear water pipeline is guided to clear water reserviors centralized reuse, and the dense mud of flocculation sediment bottom thickener is discharged to dense mud pit;
3) with high pressure slurry pump, the dense mud in dense mud pit is pumped into plate and frame filter press press filtration, the filtrate that plate and frame filter press presses out guides to clear water reserviors for reuse with pipeline, and the filter cake that plate and frame filter press press dry is for making clay brick.
2. the method for tailings glass according to claim 1, is characterized in that, the addition of described aluminium polychloride is the 1-15% of CHARACTERISTICS OF TAILINGS SAND quality.
3. the method for tailings glass according to claim 1, is characterized in that, the addition of described polyacrylamide is the 2-10% of CHARACTERISTICS OF TAILINGS SAND quality.
CN201510365144.1A 2015-06-29 2015-06-29 Tailing disposal method Pending CN105032601A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108043075A (en) * 2017-12-25 2018-05-18 长沙湘朴科技有限公司 A kind of method for adjusting thickener underflow concentration and alleviating pressure rake
CN111921719A (en) * 2020-07-08 2020-11-13 甘肃酒钢集团宏兴钢铁股份有限公司 Method for reducing water content of copper concentrate in ore grinding-flotation process
CN112547314A (en) * 2020-11-18 2021-03-26 云南磷化集团有限公司 Full-quantity resource production method of siliceous and silicate refractory collophanite

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005017217A2 (en) * 2003-08-14 2005-02-24 K & K Tecnologias Industrias S.A. Recycling process for steel works coarse sludge or dusts using gravimetric concentration
CN102100985A (en) * 2009-12-17 2011-06-22 鞍钢集团矿业公司 Novel tailings dewatering process
CN102319717A (en) * 2011-06-19 2012-01-18 湖北三宁化工股份有限公司 Method for dryly discharging phosphate tailing
CN102432124A (en) * 2011-11-04 2012-05-02 招金有色矿业有限公司 Process for comprehensively treating and recycling fluorite gangue water
CN103357212A (en) * 2013-06-27 2013-10-23 广州达选矿物资源科技有限公司 Equipment and method for tailing solid-liquid separation
CN103657840A (en) * 2013-07-10 2014-03-26 中蓝连海设计研究院 Dry type discharge method of phosphorus ore tailings

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005017217A2 (en) * 2003-08-14 2005-02-24 K & K Tecnologias Industrias S.A. Recycling process for steel works coarse sludge or dusts using gravimetric concentration
CN102100985A (en) * 2009-12-17 2011-06-22 鞍钢集团矿业公司 Novel tailings dewatering process
CN102319717A (en) * 2011-06-19 2012-01-18 湖北三宁化工股份有限公司 Method for dryly discharging phosphate tailing
CN102432124A (en) * 2011-11-04 2012-05-02 招金有色矿业有限公司 Process for comprehensively treating and recycling fluorite gangue water
CN103357212A (en) * 2013-06-27 2013-10-23 广州达选矿物资源科技有限公司 Equipment and method for tailing solid-liquid separation
CN103657840A (en) * 2013-07-10 2014-03-26 中蓝连海设计研究院 Dry type discharge method of phosphorus ore tailings

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108043075A (en) * 2017-12-25 2018-05-18 长沙湘朴科技有限公司 A kind of method for adjusting thickener underflow concentration and alleviating pressure rake
CN111921719A (en) * 2020-07-08 2020-11-13 甘肃酒钢集团宏兴钢铁股份有限公司 Method for reducing water content of copper concentrate in ore grinding-flotation process
CN112547314A (en) * 2020-11-18 2021-03-26 云南磷化集团有限公司 Full-quantity resource production method of siliceous and silicate refractory collophanite

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