CN101966526B - High-efficiency and low-energy consumption metal tailings exhausting method and equipment thereof - Google Patents
High-efficiency and low-energy consumption metal tailings exhausting method and equipment thereof Download PDFInfo
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- CN101966526B CN101966526B CN2010102989284A CN201010298928A CN101966526B CN 101966526 B CN101966526 B CN 101966526B CN 2010102989284 A CN2010102989284 A CN 2010102989284A CN 201010298928 A CN201010298928 A CN 201010298928A CN 101966526 B CN101966526 B CN 101966526B
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- flocculant
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Abstract
The invention discloses a high-efficiency and low-energy consumption metal tailings exhausting method and equipment thereof and belongs to the technical field of tailings treatment. The technical problem to be solved is that the treatment amount of the tailings is large and the water content of the treated tailings is low. The invention adopts the technical scheme which comprises the following steps of: 1, injecting a tailing grout into a coarse particle treatment bin from a tailings inlet, wherein a fine particle grout enters a fine particle treatment bin from a first overflow mouth; 2, adding flocculant medicinal liquid into the fine particle grout, wherein the clear water enters a reservoir from a second overflow mouth; 3, conveying precipitated coarse particles to a vacuum filter and conveying precipitated fine particles to a belt presser; 4, performing solid-liquid separation on the coarse particles with the vacuum filter to form coarse particle filter cakes, and performing solid-liquid separation on the fine particles with the belt presser to form fine particle filter cakes; and 5, conveying the coarse and fine filter cakes to a selected open space with a filter cake conveying system, and neatly piling the coarse and fine filter cakes.
Description
Technical field
The metal tailings of a kind of high efficiency low energy consumption of the present invention is done row's processing method and equipment thereof, belongs to the mine tailing processing technology field.
Background technology
The annual tailings discharging of China reaches 600,000,000 tons, and at present, domestic main employing upper reaches method is handled, and just adopts the mode in mine tailing storehouse to handle mine tailing.The mine tailing storehouse is an inevitable problem in the production process of mine, but the existence in mine tailing storehouse has simultaneously caused significant threat to local resident's living environment and lives and properties.Build major safety risks, destruction ecological environment that the mine tailing storehouse need take the large tracts of land soil, have the dam break of breaching a dyke, as far as building and the operating cost costliness of user's mine tailing storehouse.Country's guiding now and the secondary development of encouraging society to develop tailing dry row's new technology and mine tailing energetically, domestic existing part tailing dry row treatment facility, tailings dewatering equipment mainly uses cyclone and thickening pond combination that the thickness particle is carried out hierarchical processing at present; But its one-time investment is big, energy consumption is big, treating capacity is low and the mine tailing water content high; Mine tailing to fine grained accounts for more than 50% is inapplicable especially, in addition, because mine tailing is to the serious wear of cyclone; Need periodic replacement, so maintenance cost is big.
Summary of the invention
The present invention overcomes the deficiency of prior art, and technical problem to be solved provides big and dried processing method and the equipment thereof arranged of the metal tailings high efficiency low energy consumption that the mine tailing water content is low of a kind of treating capacity.
In order to solve the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of metal tailings of high efficiency low energy consumption is done row's processing method, carries out according to following steps:
The first step: the mine tailing slurries that preparation equipment is discharged inject the coarse granule treatment bin by the mine tailing inlet; Coarse granule is because from great; Natural subsidence is to coarse granule treatment bin bottom, and fine grained is suspended in coarse grained top because deadweight is little; When the liquid level of mine tailing slurries arrived first overfall on coarse granule treatment bin top, the fine grained slurries got into the fine grained treatment bin through first overfall;
Second step: when the fine grained slurries get into the fine grained treatment bin, in the fine grained slurries, add the flocculant soup; Carry out flocculation treatment; Make the fine grained sedimentation of uniting, the slurries upper strata after the sedimentation is a clear water, and lower floor is the fine grained of sedimentation of uniting; When the liquid level of upper strata clear water arrived second overfall on fine grained treatment bin top, clear water got into cistern through second overfall;
The 3rd step: open thick, the conveyer of fine grained treatment bin below and the valve at said conveyer discharge port place, the coarse granule after the sedimentation is flowed to vacuum filter, the fine grained after the sedimentation is flowed to belt press;
The 4th step: with vacuum filter coarse granule is carried out Separation of Solid and Liquid, form the coarse granule filter cake, fine grained is carried out Separation of Solid and Liquid, form the fine grained filter cake with belt press;
The 5th step: with the filter cake induction system thick, fine filtering cake are delivered to the vacant lot of choosing, the neat stacking.
The flocculant soup proportioning by weight that in the fine grained slurries, adds in second step is: flocculant: water=1: 1000, the injection rate of flocculant soup are 0.3t/h-0.5t/h.
In described the 3rd step; The fine grained slurries are being flowed to the preceding flocculant soup that in the fine grained slurries, adds once more of belt press (6); Flocculant soup proportioning by weight is: flocculant: water=1: 1000, the injection rate of flocculant soup are 1.0t/h-1.3t/h.
When in the fine grained slurries, adding the flocculant soup, use flocculant preparation and medicine system (12) automatically.
A kind of metal tailings of high efficiency low energy consumption is done row's treatment facility; Comprise: hierarchical processing storehouse, first conveyer, second conveyer, vacuum filter, belt press and filter cake induction system; The hierarchical processing storehouse is made up of at least one coarse granule treatment bin and at least one fine grained treatment bin; Be communicated with through first overfall between coarse granule treatment bin and the fine grained treatment bin; First overfall is arranged on the top of coarse granule treatment bin and fine grained treatment bin, and the top of fine grained treatment bin also is provided with second overfall, and the height of second overfall is lower than the height of first overfall;
Described coarse granule treatment bin and fine grained treatment bin are funnel-form, all around by shore supports;
The discharging opening below of coarse granule treatment bin is first conveyer; The discharging opening below of fine grained treatment bin is second conveyer; The discharge port below of first conveyer is the charging aperture of vacuum filter; The discharge port below of second conveyer is the charging aperture of belt press, and the discharging opening below of vacuum filter and belt press is the filter cake induction system.
The discharge port place of described first conveyer and second conveyer is provided with valve.
Described fine grained treatment bin next door is provided with flocculant preparation and medicine system automatically; Described flocculant prepares automatically and medicine system has two dosing mouths; A dosing mouth is arranged on the first overfall place, and another dosing mouth is arranged on the discharge port place of second conveyer.
Described first conveyer and second conveyer are conveying worm.
Described filter cake induction system is a belt conveyor.
The beneficial effect that the metal tailings of a kind of high efficiency low energy consumption of the present invention dried row processing method and equipment thereof are compared with prior art had is:
1, complete equipment compact conformation, running continuously automatically, floor space is little, greatly reduces the cost of investment and the operating cost of ore dressing enterprise, and the mine tailing processing cost can be low to moderate 1 yuan/ton.
2, the complete closed operation and the waste water recycling of mine tailing sewage have been realized; Can reach standards for industrial water usage by the filtrating after the inventive method and the device processes; Reusable edible has been practiced thrift water resource, has solved mine tailing sewage to surrounding environment and phreatic pollution problem; Thoroughly ban the mine tailing storehouse, reduced the potential safety hazard in mine.
3, treating capacity is big, can solve dried row's problem of day mine tailing amount＞2000t, has also solved the tailing dry row difficult problem of fine grained＞50%.
4, the present invention adopts thickness grading to handle, and good effect of separating solid from liquid is handled back mine tailing water content and can be low to moderate 15%.
Description of drawings
Below in conjunction with accompanying drawing the present invention is further specified:
Fig. 1 is the flow chart that the metal tailings of this high efficiency low energy consumption is done row's processing method;
Fig. 2 is the structural representation that the metal tailings of this high efficiency low energy consumption is done row's treatment facility;
Fig. 3 is the structural representation that the metal tailings of this high efficiency low energy consumption is done hierarchical processing storehouse in row's treatment facility;
Fig. 4 is the vertical view of Fig. 2.
1 is that hierarchical processing storehouse, 2 is that coarse granule treatment bin, 3 is that fine grained treatment bin, 4 is that first conveyer, 5 is that second conveyer, 6 is that belt press, 7 is that vacuum filter, 8 is that filter cake induction system, 9 is that first overfall, 10 is that second overfall, 11 is that valve, 12 is that automatic preparation of flocculant and medicine system, 13 are that mine tailing enters the mouth among the figure.
The specific embodiment
As shown in Figure 1, the metal tailings of a kind of high efficiency low energy consumption of the present invention is done row's processing method, carries out according to following steps:
The first step: the mine tailing slurries that preparation equipment is discharged inject coarse granule treatment bin 2 by mine tailing inlet 13; Coarse granule is because from great; Natural subsidence is to coarse granule treatment bin 2 bottoms, and fine grained is suspended in coarse grained top because deadweight is little; When the liquid level of mine tailing slurries arrived first overfall 9 on coarse granule treatment bin 2 tops, the fine grained slurries got into fine grained treatment bin 3 through first overfall 9;
Second step: when the fine grained slurries get into fine grained treatment bin 3, in the fine grained slurries, add the flocculant soup; Carry out flocculation treatment; Make the fine grained sedimentation of uniting, the slurries upper strata after the sedimentation is a clear water, and lower floor is the fine grained of sedimentation of uniting; When the liquid level of upper strata clear water arrived second overfall 10 on fine grained treatment bin 3 tops, clear water got into cistern through second overfall 10;
The 3rd step: open thick, the conveyer of fine grained treatment bin below and the valve 11 at said conveyer discharge port place, the coarse granule after the sedimentation is flowed to vacuum filter 7, the fine grained after the sedimentation is flowed to belt press 6;
The 4th step: carry out Separation of Solid and Liquid with 7 pairs of coarse granules of vacuum filter, form the coarse granule filter cake, carry out Separation of Solid and Liquid, form the fine grained filter cake with 6 pairs of fine graineds of belt press;
The 5th step: with filter cake induction system 8 thick, fine filtering cake are delivered to the vacant lot of choosing, the neat stacking.
The flocculant soup proportioning by weight that in the fine grained slurries, adds in second step is: flocculant: water=1: 1000, the injection rate of flocculant soup are 0.3t/h-0.5t/h.
In described the 3rd step;, the fine grained slurries in the fine grained slurries, add the flocculant soup before being flowed to belt press 6 once more; Flocculant soup proportioning by weight is: flocculant: water=1: 1000, the injection rate of flocculant soup are 1.0t/h-1.3t/h.
When in the fine grained slurries, adding the flocculant soup, use flocculant preparation and medicine system 12 automatically.
Like Fig. 2, Fig. 3, shown in Figure 4; The metal tailings of a kind of high efficiency low energy consumption of the present invention is done row's treatment facility; Comprise: hierarchical processing storehouse 1, first conveyer 4, second conveyer 5, vacuum filter 7, belt press 6 and filter cake induction system 8; Hierarchical processing storehouse 1 is made up of with at least one fine grained treatment bin 3 at least one coarse granule treatment bin 2, is communicated with through first overfall 9 between coarse granule treatment bin 2 and the fine grained treatment bin 3, and first overfall 9 is arranged on the top of coarse granule treatment bin 2 and fine grained treatment bin 3; The height that the top of fine grained treatment bin 3 also is provided with second overfall, 10, the second overfalls 10 is lower than the height of first overfall 9;
Described coarse granule treatment bin 2 is funnel-form with fine grained treatment bin 3, all around by shore supports;
The discharging opening below of coarse granule treatment bin 2 is first conveyer 4; The discharging opening below of fine grained treatment bin 3 is second conveyer 5; The discharge port below of first conveyer 4 is the charging aperture of vacuum filter 7; The discharge port below of second conveyer 5 is the charging aperture of belt press 6, and the discharging opening below of vacuum filter 7 and belt press 6 is a filter cake induction system 8.
The discharge port place of described first conveyer 4 and second conveyer 5 is provided with valve 11.
Described fine grained treatment bin 3 next doors are provided with flocculant preparation and medicine system 12 automatically; Described flocculant prepares automatically and medicine system 12 has two dosing mouths; A dosing mouth is arranged on first overfall, 9 places, and another dosing mouth is arranged on the discharge port place of second conveyer 5.
Described first conveyer 4 and second conveyer 5 are conveying worm.
Described filter cake induction system 8 is a belt conveyor.
Described vacuum filter 7 is the outside filtering type vacuum filter.
The YT series helix conveyer that described first conveyer 4 and second conveyer 5 can select for use the sharp environmental protection equipment engineering of Shanxi Yi Er Co., Ltd to produce; The YDY series belt press that belt press 6 can select for use the sharp environmental protection equipment engineering of Shanxi Yi Er Co., Ltd to produce; The YGW series outside filtering type vacuum filter that vacuum filter 7 can select for use the sharp environmental protection equipment engineering of Shanxi Yi Er Co., Ltd to produce, filter cake induction system 8 can be selected general belt conveyor for use.
The present invention can specifically design as the case may be, as: one, confirm the tricks of required treatment facility according to the mine tailing amount, each complete equipment works alone, and has improved the stability of a system, has reduced fault rate, has reduced entreprise cost; Two, confirm the number of required coarse granule treatment bin 2 and fine grained treatment bin 3 in the cover treatment facility according to thickness particle proportion, solved the big or fine grained accounting of mine tailing amount greater than 50% tailing dry row problem.
Claims (9)
1. the metal tailings of a high efficiency low energy consumption is done row's processing method, it is characterized in that, carries out according to following steps:
The first step: the mine tailing slurries that preparation equipment is discharged inject coarse granule treatment bin (2) by mine tailing inlet (13); Coarse granule is because from great; Natural subsidence is to coarse granule treatment bin (2) bottom, and fine grained is suspended in coarse grained top because deadweight is little; When the liquid level of mine tailing slurries arrived first overfall (9) on coarse granule treatment bin (2) top, the fine grained slurries got into fine grained treatment bin (3) through first overfall (9);
Second step: when the fine grained slurries get into fine grained treatment bin (3), in the fine grained slurries, add the flocculant soup; Carry out flocculation treatment; Make the fine grained sedimentation of uniting, the slurries upper strata after the sedimentation is a clear water, and lower floor is the fine grained of sedimentation of uniting; When the liquid level of upper strata clear water arrived second overfall (10) on fine grained treatment bin (3) top, clear water got into cistern through second overfall (10);
The 3rd step: open thick, the conveyer of fine grained treatment bin below and the valve (11) at said conveyer discharge port place, the coarse granule after the sedimentation is flowed to vacuum filter (7), the fine grained after the sedimentation is flowed to belt press (6);
The 4th step: with vacuum filter (7) coarse granule is carried out Separation of Solid and Liquid, form the coarse granule filter cake, fine grained is carried out Separation of Solid and Liquid, form the fine grained filter cake with belt press (6);
The 5th step: with filter cake induction system (8) thick, fine filtering cake are delivered to the vacant lot of choosing, the neat stacking.
2. the metal tailings of a kind of high efficiency low energy consumption according to claim 1 is done row's processing method; It is characterized in that: the flocculant soup proportioning by weight that in the fine grained slurries, adds in second step is: flocculant: water=1: 1000, the injection rate of flocculant soup are 0.3t/h-0.5t/h.
3. the metal tailings of a kind of high efficiency low energy consumption according to claim 1 is done row's processing method; It is characterized in that: in described the 3rd step; The fine grained slurries are being flowed to the preceding flocculant soup that in the fine grained slurries, adds once more of belt press (6); Flocculant soup proportioning by weight is: flocculant: water=1: 1000, the injection rate of flocculant soup are 1.0t/h-1.3t/h.
4. the metal tailings of a kind of high efficiency low energy consumption according to claim 1 is done row's processing method, it is characterized in that: when in the fine grained slurries, adding the flocculant soup, use flocculant preparation and medicine system (12) automatically.
5. the metal tailings of a high efficiency low energy consumption as claimed in claim 1 is done the equipment of using in row's processing method; It is characterized in that; Comprise: hierarchical processing storehouse (1), first conveyer (4), second conveyer (5), vacuum filter (7), belt press (6) and filter cake induction system (8); Hierarchical processing storehouse (1) is made up of at least one coarse granule treatment bin (2) and at least one fine grained treatment bin (3); Be communicated with through first overfall (9) between coarse granule treatment bin (2) and the fine grained treatment bin (3); First overfall (9) is arranged on the top of coarse granule treatment bin (2) and fine grained treatment bin (3), and the top of fine grained treatment bin (3) also is provided with second overfall (10), and the height of second overfall (10) is lower than the height of first overfall (9);
Described coarse granule treatment bin (2) and fine grained treatment bin (3) are funnel-form, all around by shore supports;
The discharging opening below of coarse granule treatment bin (2) is first conveyer (4); The discharging opening below of fine grained treatment bin (3) is second conveyer (5); The discharge port below of first conveyer (4) is the charging aperture of vacuum filter (7); The discharge port below of second conveyer (5) is the charging aperture of belt press (6), and the discharging opening below of vacuum filter (7) and belt press (6) is filter cake induction system (8).
6. the metal tailings of a kind of high efficiency low energy consumption according to claim 5 is done row's treatment facility, and it is characterized in that: the discharge port place of described first conveyer (4) and second conveyer (5) is provided with valve (11).
7. the metal tailings of a kind of high efficiency low energy consumption according to claim 5 is done row's treatment facility; It is characterized in that: described fine grained treatment bin (3) next door is provided with flocculant preparation and medicine system (12) automatically; Described flocculant prepares automatically and medicine system (12) has two dosing mouths; A dosing mouth is arranged on first overfall (9) and locates, and another dosing mouth is arranged on the discharge port place of second conveyer (5).
8. the metal tailings of a kind of high efficiency low energy consumption according to claim 5 is done row's treatment facility, and it is characterized in that: described first conveyer (4) and second conveyer (5) are conveying worm.
9. the metal tailings of a kind of high efficiency low energy consumption according to claim 5 is done row's treatment facility, it is characterized in that: described filter cake induction system (8) is belt conveyor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102989284A CN101966526B (en) | 2010-09-27 | 2010-09-27 | High-efficiency and low-energy consumption metal tailings exhausting method and equipment thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102989284A CN101966526B (en) | 2010-09-27 | 2010-09-27 | High-efficiency and low-energy consumption metal tailings exhausting method and equipment thereof |
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| Publication Number | Publication Date |
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| CN101966526A CN101966526A (en) | 2011-02-09 |
| CN101966526B true CN101966526B (en) | 2012-07-18 |
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| CN2010102989284A Expired - Fee Related CN101966526B (en) | 2010-09-27 | 2010-09-27 | High-efficiency and low-energy consumption metal tailings exhausting method and equipment thereof |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102432234B (en) * | 2011-08-30 | 2013-09-25 | 杨佳定 | comprehensive treatment method for mud nonferrous metal oxidized ore dressing tailing water residue |
| CN103520995A (en) * | 2012-07-05 | 2014-01-22 | 宁津县正泰机械设备制造有限公司 | Tailing dry-discharging device |
| CN103382060A (en) * | 2013-07-22 | 2013-11-06 | 广西华锡集团股份有限公司再生资源分公司 | Mineral processing water-saving and emission reduction device and method |
| CN104001370A (en) * | 2014-05-30 | 2014-08-27 | 唐山海普科技有限公司 | Dry discharge technology of tailings |
| CN105214834A (en) * | 2014-06-27 | 2016-01-06 | 刘章平 | A kind of combination unit for tailings dewatering |
| CN105903556A (en) * | 2016-04-14 | 2016-08-31 | 山东鑫海矿业技术装备股份有限公司 | Energy-efficient tailings dry-type deslagging technique |
| CN112138854A (en) * | 2019-06-26 | 2020-12-29 | 阿勒泰正元国际矿业有限公司 | Method for dehydrating quartz vein type gold mine tailings |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085128A (en) * | 1993-09-25 | 1994-04-13 | 中南工业大学 | Concentrating process for coagulating and settling tailings |
| CN2535106Y (en) * | 2001-12-20 | 2003-02-12 | 冶金工业部马鞍山矿山研究院 | Thickener feeding device |
| CN1792830A (en) * | 2005-10-21 | 2006-06-28 | 赵树彦 | Tech. for treating coal mud water by tow section concentration, tow section recovery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7244361B2 (en) * | 2003-11-20 | 2007-07-17 | Ciba Specialty Chemicals Water Treatments Ltd. | Metals/minerals recovery and waste treatment process |
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- 2010-09-27 CN CN2010102989284A patent/CN101966526B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1085128A (en) * | 1993-09-25 | 1994-04-13 | 中南工业大学 | Concentrating process for coagulating and settling tailings |
| CN2535106Y (en) * | 2001-12-20 | 2003-02-12 | 冶金工业部马鞍山矿山研究院 | Thickener feeding device |
| CN1792830A (en) * | 2005-10-21 | 2006-06-28 | 赵树彦 | Tech. for treating coal mud water by tow section concentration, tow section recovery |
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Owner name: SHANXI YEARLY ENVIRONMENTAL PROTECTION EQUIPMENT A Free format text: FORMER OWNER: GAO WENYU Effective date: 20140107 Free format text: FORMER OWNER: GUO CHAOXUAN Effective date: 20140107 |
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Effective date of registration: 20140107 Address after: 043801, East Village, East Town, Wenxi County, Yuncheng, Shanxi Patentee after: SHANXI YI ER ENVIRONMENTAL PROTECTION EQUIOPMENT ENGINEERING CO., LTD. Address before: 043800 Wenxi County, Shanxi City, East Town, Yuncheng Patentee before: Gao Wenyu Patentee before: Guo Chaoxuan |
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Granted publication date: 20120718 Termination date: 20160927 |