CN102327887A - Method and equipment for treating tailings of aluminium ore containing clay - Google Patents
Method and equipment for treating tailings of aluminium ore containing clay Download PDFInfo
- Publication number
- CN102327887A CN102327887A CN201010551396A CN201010551396A CN102327887A CN 102327887 A CN102327887 A CN 102327887A CN 201010551396 A CN201010551396 A CN 201010551396A CN 201010551396 A CN201010551396 A CN 201010551396A CN 102327887 A CN102327887 A CN 102327887A
- Authority
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- China
- Prior art keywords
- clay
- aluminium ore
- mine tailing
- dram
- tailings
- 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.)
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 49
- 239000004411 aluminium Substances 0.000 title claims abstract description 49
- 239000004927 clay Substances 0.000 title claims abstract description 37
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000002689 soil Substances 0.000 claims abstract description 18
- 235000016709 nutrition Nutrition 0.000 claims abstract description 5
- 230000008635 plant growth Effects 0.000 claims abstract description 5
- 239000000428 dust Substances 0.000 claims description 18
- 238000004155 tailings processing Methods 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 7
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000005453 pelletization Methods 0.000 claims description 6
- 239000000779 smoke Substances 0.000 claims description 6
- 238000002372 labelling Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 238000001035 drying Methods 0.000 abstract description 3
- 239000000470 constituent Substances 0.000 abstract 1
- 230000035764 nutrition Effects 0.000 abstract 1
- 229910001570 bauxite Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009439 industrial construction Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001850 reproductive effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Manufacture And Refinement Of Metals (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a method and equipment for treating tailings of aluminium ore containing clay. The method comprises the following steps that: the clay and the tailings of the aluminium ore are heated together to enable moisture contents of the clay and the tailings to be under 5-8 percent; the clay and the tailings of the aluminium ore are then separated; and the clay is used for returning into field in agriculture and forestry or becoming soil required by plant growth through preparing nutrition constituents, and the cleaned tailings of the aluminium ore are recycled. According to the invention, the clay and the tailings of the aluminium ore are separated by adopting a drying method, the process is simple, the efficiency is high, the waste of water resource and aluminium ore resource is reduced, the comprehensive utilization of the asset is realized, the screened clay has high purity and can be directly backfilled as the soil for returning into the field in agriculture and forestry, the problems of environment pollution and soil returning are solved, the ecological environment is protected, and great social benefits and better economic benefits are achieved.
Description
Technical field
the present invention relates to a kind of tailings processing method and treatment facility of aluminium ore, particularly a kind of tailings processing method and treatment facility that contains the mud aluminium ore.
Background technology
China is just a large amount of main materials of exploiting bauxites as industrial construction from the economic construction of the fifties; Though there is abundant bauxite resource in China; But because long-term unordered exploitation causes great destruction and waste for local bauxite resource and geological environment.The bauxite resource in Guizhou is very abundant, but is stored among mountain area, grotto and soil mixes more, after the past, mining blew up with dynamite, only becoming taking away of piece; The chip that becomes scattered about in the soil just lies on the table, and this part soil is because of containing 30～50% the thin ore deposit of aluminium, and soil texture is destroyed; Reproductive microorganism effectively, soil compaction is serious, and any plant can not grow after the soil backfill; Ecological environment is destroyed, and because of this thin ore deposit of aluminium of 30～50% abandons, causes bauxite resource to waste greatly again.The at present main WATER-WASHING METHOD that adopts is separated the mine tailing of earth and aluminium ore, complex procedures not only, and efficient is low; Water resource waste is big, and causes the secondary pollution environment, because clay is deposited in wherein behind a large amount of washing ore deposits; Suspend and discharge the mud of water content 30-40% water; At any time all can wash away the dam, ore deposit, because moisture high mud can not cause land wastage as agricultural field also less.
Summary of the invention
technical problem to be solved by this invention is to provide a kind of tailings processing method that contains the mud aluminium ore; A kind of mine tailing treatment facility that contains the mud aluminium ore is provided simultaneously; Thereby effectively extract the broken thin aluminium ore in the soil; The comprehensive utilization of realization assets effectively solves the also problem in field of problem of environmental pollution and soil.
are for solving the problems of the technologies described above technical scheme of the present invention: the tailings processing method that contains the mud aluminium ore.This method is that the mine tailing with clay and aluminium ore together heats, and makes the moisture of clay and mine tailing be lower than 5～8%; The mine tailing that separates clay and aluminium ore then; Clay is used for also field or become the soil of plant growth needs, clean aluminium ore mine tailing recycling through the preparation nutritional labeling of agricultural.
above-mentioned tailings processing method that contains the mud aluminium ore; Concretely; Be that mine tailing with clay and aluminium ore together is transported in the dram and heats; Make the moisture of clay and mine tailing be lower than 5%, in heating, through being arranged on the helical blade in the dram, the mine tailing of clay and aluminium ore is stirred in dram.
aforesaid tailings processing method that contains the mud aluminium ore is said accurately, and being mine tailing that heating back moisture is lower than 5% clay and aluminium ore separates the mine tailing of clay and aluminium ore through the nail post that is arranged in the dram.
a kind of mine tailing treatment facility that contains the mud aluminium ore; Its formation comprises charging aperture, dram; The spiral riser is equipped with in leading portion and stage casing in dram, on the spiral riser of dram leading portion, is provided with helical blade, on the spiral riser in dram stage casing, is provided with the nail post; Rear in dram is equipped with screen cloth, below screen cloth, is provided with the outlet of earth tap and mine tailing.
In
above-mentioned mine tailing treatment facility that contains the mud aluminium ore, at the charging aperture place smoke evacuation dust excluding hood is housed, this smoke evacuation dust excluding hood is connected to dust pelletizing system; Afterbody in dram is equipped with dust excluding hood, and this dust excluding hood is connected to dust pelletizing system.
beneficial effect of the present invention: compared with prior art, the present invention adopts seasoning to separate the mine tailing of earth and aluminium ore, is domestic initiation; Its operation is simple, and efficient is high, has reduced water resource waste; Can effectively extract the broken thin aluminium ore in the soil, reduce the waste of bauxite resource, realize the assets comprehensive utilization; The mine tailing moisture-free that it sub-elects, post-production is used the energy less, and cost is low; And the clay purity that sub-sieve comes out is high, can be used as the direct backfill of soil, is used for also field of agricultural; Can also become the specific soil of each kind of plant growth needs through the preparation nutritional labeling, also can be used as the industrial raw material of going up production cement etc., not only reduce the waste of bauxite resource; And solved the also problem in field of problem of environmental pollution and soil, and protected ecological environment, have important social benefit and favorable economic benefit.
Description of drawings
Fig. 1 is a process chart of the present invention;
Fig. 2 is an equipment structure chart of the present invention.
are further described the present invention below in conjunction with the accompanying drawing and the specific embodiment.
The specific embodiment
embodiment 1.Like Fig. 1, shown in 2; The mine tailing treatment facility that contains the mud aluminium ore comprises charging aperture 1 and dram 2, in the leading portion and the stage casing of dram 2 spiral riser 3 is housed; On the spiral riser 3 of dram leading portion, be provided with helical blade, on the spiral riser 3 in dram stage casing, be provided with the nail post; Rear in dram 2 is equipped with screen cloth 4, below screen cloth 4, is provided with earth tap 5 and mine tailing outlet 6.Smoke evacuation dust excluding hood 7 is housed at charging aperture 1 place, and this smoke evacuation dust excluding hood 7 is connected to dust pelletizing system; Afterbody in dram 2 is equipped with dust excluding hood 8, and this dust excluding hood 8 is connected to dust pelletizing system.When processing contains the aluminium ore mine tailing of mud; The mine tailing of clay and aluminium ore together is transported to dram 2 also through in the charging aperture 1 adding dram 2 through belt feeder; The leading portion of dram 2 is a drying nest; Mine tailing (thermal source can provide fuel with the also available gas burner of prime waste heat) with thermal current heating clay and aluminium ore; In heating, in dram, stir through the mine tailing of the helical blade on the spiral riser 3 with clay and aluminium ore; Make the moisture of clay and mine tailing be lower than 5% through heating, drying, the mine tailing of clay and aluminium ore begins to separate when hot gas makes the moisture of clay and mine tailing reduce to 5%, and the nail post that on the spiral riser 3 in dram 2 stage casings, is provided with plays the effect that separates clay and mine tailing; Clay that separates and mine tailing arrive dram 2 under the promotion of spiral riser 3 rear; Clay through after screen cloth 4 screenings sifts out through earth tap 5; Be used for also field or become the soil of plant growth needs of agricultural through the preparation nutritional labeling; Screen clean aluminium ore mine tailing and discharge outside the dram 2 recycling through mine tailing outlet 6.
embodiment of the present invention is not limited to the foregoing description, and the various variations of under the prerequisite that does not break away from aim of the present invention, making all belong within protection scope of the present invention.
Claims (5)
1. a tailings processing method that contains the mud aluminium ore is characterized in that: the mine tailing of clay and aluminium ore is together heated, make the moisture of clay and mine tailing be lower than 5～8%; The mine tailing that separates clay and aluminium ore then; Clay is used for also field or become the soil of plant growth needs, clean aluminium ore mine tailing recycling through the preparation nutritional labeling of agricultural.
2. the tailings processing method that contains the mud aluminium ore according to claim 1; It is characterized in that: be that mine tailing with clay and aluminium ore together is transported in the dram and heats; Make the moisture of clay and mine tailing be lower than 5%; In heating, through being arranged on the helical blade in the dram, the mine tailing of clay and aluminium ore is stirred in dram.
3. the tailings processing method that contains the mud aluminium ore according to claim 2 is characterized in that: will heat mine tailing that back moisture is lower than 5% clay and aluminium ore and through the nail post that is arranged in the dram mine tailing of clay and aluminium ore separated.
4. mine tailing treatment facility that contains the mud aluminium ore; Comprise charging aperture (1), dram (2); It is characterized in that: spiral riser (3) is equipped with in leading portion and stage casing in described dram (2); On the spiral riser (3) of dram leading portion, be provided with helical blade, on the spiral riser (3) in dram stage casing, be provided with the nail post; Rear in dram (2) is equipped with screen cloth (4), is provided with earth tap (5) and mine tailing outlet (6) in the below of screen cloth (4).
5. the mine tailing treatment facility that contains the mud aluminium ore according to claim 4 is characterized in that: locate to be equipped with smoke evacuation dust excluding hood (7) at described charging aperture (1), this smoke evacuation dust excluding hood (7) is connected to dust pelletizing system; Afterbody in dram (2) is equipped with dust excluding hood (8), and this dust excluding hood (8) is connected to dust pelletizing system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010551396.0A CN102327887B (en) | 2010-11-19 | 2010-11-19 | Method and equipment for treating tailings of aluminium ore containing clay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010551396.0A CN102327887B (en) | 2010-11-19 | 2010-11-19 | Method and equipment for treating tailings of aluminium ore containing clay |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102327887A true CN102327887A (en) | 2012-01-25 |
| CN102327887B CN102327887B (en) | 2014-04-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010551396.0A Expired - Fee Related CN102327887B (en) | 2010-11-19 | 2010-11-19 | Method and equipment for treating tailings of aluminium ore containing clay |
Country Status (1)
| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2823935Y (en) * | 2005-07-14 | 2006-10-04 | 赵财祥 | Rotary drum type concentrating crushing vacuum drier |
| CN1887456A (en) * | 2006-08-08 | 2007-01-03 | 中国铝业股份有限公司 | Bauxite tail piling method |
| CN101787433A (en) * | 2010-02-22 | 2010-07-28 | 紫金矿业集团股份有限公司 | Chloridizing roasting method of material containing alunite |
| CN101831304A (en) * | 2010-04-30 | 2010-09-15 | 张夫道 | Method for using major metal tailings as soil conditioners after innocent treatment |
| CN101871718A (en) * | 2010-06-01 | 2010-10-27 | 王晋生 | Method and system for drying muddy material |
-
2010
- 2010-11-19 CN CN201010551396.0A patent/CN102327887B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2823935Y (en) * | 2005-07-14 | 2006-10-04 | 赵财祥 | Rotary drum type concentrating crushing vacuum drier |
| CN1887456A (en) * | 2006-08-08 | 2007-01-03 | 中国铝业股份有限公司 | Bauxite tail piling method |
| CN101787433A (en) * | 2010-02-22 | 2010-07-28 | 紫金矿业集团股份有限公司 | Chloridizing roasting method of material containing alunite |
| CN101831304A (en) * | 2010-04-30 | 2010-09-15 | 张夫道 | Method for using major metal tailings as soil conditioners after innocent treatment |
| CN101871718A (en) * | 2010-06-01 | 2010-10-27 | 王晋生 | Method and system for drying muddy material |
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| Publication number | Publication date |
|---|---|
| CN102327887B (en) | 2014-04-23 |
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